diff options
author | Nathaniel Manista <nathaniel@google.com> | 2015-06-01 14:34:32 -0700 |
---|---|---|
committer | Nathaniel Manista <nathaniel@google.com> | 2015-06-01 14:34:32 -0700 |
commit | faafb38d14d33c608d6a9f311950b72e1f087e05 (patch) | |
tree | 3327f3da44b7628bfa9010e3a4b90717502a2292 /src | |
parent | 0bdfe8b147b8101080e95565d9472e402f4d98d4 (diff) | |
parent | a2918d2e04e8df462225ea846fd3487e5d0f6a15 (diff) |
Merge pull request #1558 from soltanmm/extension
Overhaul Python C layer.
Diffstat (limited to 'src')
35 files changed, 3086 insertions, 2949 deletions
diff --git a/src/python/src/grpc/_adapter/_c.c b/src/python/src/grpc/_adapter/_c.c deleted file mode 100644 index f096a55b61..0000000000 --- a/src/python/src/grpc/_adapter/_c.c +++ /dev/null @@ -1,86 +0,0 @@ -/* - * - * Copyright 2015, Google Inc. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are - * met: - * - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * Redistributions in binary form must reproduce the above - * copyright notice, this list of conditions and the following disclaimer - * in the documentation and/or other materials provided with the - * distribution. - * * Neither the name of Google Inc. nor the names of its - * contributors may be used to endorse or promote products derived from - * this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - */ - -#include <Python.h> -#include <grpc/grpc.h> - -#include "grpc/_adapter/_completion_queue.h" -#include "grpc/_adapter/_channel.h" -#include "grpc/_adapter/_call.h" -#include "grpc/_adapter/_server.h" -#include "grpc/_adapter/_client_credentials.h" -#include "grpc/_adapter/_server_credentials.h" - -static PyObject *init(PyObject *self) { - grpc_init(); - Py_RETURN_NONE; -} - -static PyObject *shutdown(PyObject *self) { - grpc_shutdown(); - Py_RETURN_NONE; -} - -static PyMethodDef _c_methods[] = { - {"init", (PyCFunction)init, METH_NOARGS, - "Initialize the module's static state."}, - {"shut_down", (PyCFunction)shutdown, METH_NOARGS, - "Shut down the module's static state."}, - {NULL}, -}; - -PyMODINIT_FUNC init_c(void) { - PyObject *module; - - module = Py_InitModule3("_c", _c_methods, - "Wrappings of C structures and functions."); - - if (pygrpc_add_completion_queue(module) == -1) { - return; - } - if (pygrpc_add_channel(module) == -1) { - return; - } - if (pygrpc_add_call(module) == -1) { - return; - } - if (pygrpc_add_server(module) == -1) { - return; - } - if (pygrpc_add_client_credentials(module) == -1) { - return; - } - if (pygrpc_add_server_credentials(module) == -1) { - return; - } -} diff --git a/src/python/src/grpc/_adapter/_server.h b/src/python/src/grpc/_adapter/_c/module.c index d31d4e678b..1f3aedd9d8 100644 --- a/src/python/src/grpc/_adapter/_server.h +++ b/src/python/src/grpc/_adapter/_c/module.c @@ -31,21 +31,31 @@ * */ -#ifndef _ADAPTER__SERVER_H_ -#define _ADAPTER__SERVER_H_ +#include <stdlib.h> +#define PY_SSIZE_T_CLEAN #include <Python.h> #include <grpc/grpc.h> -#include "grpc/_adapter/_completion_queue.h" +#include "grpc/_adapter/_c/types.h" -typedef struct { - PyObject_HEAD +static PyMethodDef c_methods[] = { + {NULL} +}; - CompletionQueue *completion_queue; - grpc_server *c_server; -} Server; +PyMODINIT_FUNC init_c(void) { + PyObject *module; -int pygrpc_add_server(PyObject *module); + module = Py_InitModule3("_c", c_methods, + "Wrappings of C structures and functions."); -#endif /* _ADAPTER__SERVER_H_ */ + if (pygrpc_module_add_types(module) < 0) { + return; + } + + /* GRPC maintains an internal counter of how many times it has been + initialized and handles multiple pairs of grpc_init()/grpc_shutdown() + invocations accordingly. */ + grpc_init(); + atexit(&grpc_shutdown); +} diff --git a/src/python/src/grpc/_adapter/_completion_queue.h b/src/python/src/grpc/_adapter/_c/types.c index 516694daa1..8855c32ca6 100644 --- a/src/python/src/grpc/_adapter/_completion_queue.h +++ b/src/python/src/grpc/_adapter/_c/types.c @@ -31,19 +31,30 @@ * */ -#ifndef _ADAPTER__COMPLETION_QUEUE_H_ -#define _ADAPTER__COMPLETION_QUEUE_H_ +#include "grpc/_adapter/_c/types.h" +#define PY_SSIZE_T_CLEAN #include <Python.h> #include <grpc/grpc.h> -typedef struct { - PyObject_HEAD - grpc_completion_queue *c_completion_queue; -} CompletionQueue; - -extern PyTypeObject pygrpc_CompletionQueueType; - -int pygrpc_add_completion_queue(PyObject *module); - -#endif /* _ADAPTER__COMPLETION_QUEUE_H_ */ +int pygrpc_module_add_types(PyObject *module) { + int i; + PyTypeObject *types[] = { + &pygrpc_ClientCredentials_type, + &pygrpc_ServerCredentials_type, + &pygrpc_CompletionQueue_type, + &pygrpc_Call_type, + &pygrpc_Channel_type, + &pygrpc_Server_type + }; + for (i = 0; i < sizeof(types)/sizeof(PyTypeObject *); ++i) { + if (PyType_Ready(types[i]) < 0) { + return -1; + } + } + for (i = 0; i < sizeof(types)/sizeof(PyTypeObject *); ++i) { + Py_INCREF(types[i]); + PyModule_AddObject(module, types[i]->tp_name, (PyObject *)types[i]); + } + return 0; +} diff --git a/src/python/src/grpc/_adapter/_c/types.h b/src/python/src/grpc/_adapter/_c/types.h new file mode 100644 index 0000000000..e189ae2566 --- /dev/null +++ b/src/python/src/grpc/_adapter/_c/types.h @@ -0,0 +1,271 @@ +/* + * + * Copyright 2015, Google Inc. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following disclaimer + * in the documentation and/or other materials provided with the + * distribution. + * * Neither the name of Google Inc. nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + */ + +#ifndef GRPC__ADAPTER__C_TYPES_H_ +#define GRPC__ADAPTER__C_TYPES_H_ + +#define PY_SSIZE_T_CLEAN +#include <Python.h> +#include <grpc/grpc.h> +#include <grpc/grpc_security.h> + + +/*=========================*/ +/* Client-side credentials */ +/*=========================*/ + +typedef struct ClientCredentials { + PyObject_HEAD + grpc_credentials *c_creds; +} ClientCredentials; +void pygrpc_ClientCredentials_dealloc(ClientCredentials *self); +ClientCredentials *pygrpc_ClientCredentials_google_default( + PyTypeObject *type, PyObject *ignored); +ClientCredentials *pygrpc_ClientCredentials_ssl( + PyTypeObject *type, PyObject *args, PyObject *kwargs); +ClientCredentials *pygrpc_ClientCredentials_composite( + PyTypeObject *type, PyObject *args, PyObject *kwargs); +ClientCredentials *pygrpc_ClientCredentials_compute_engine( + PyTypeObject *type, PyObject *ignored); +ClientCredentials *pygrpc_ClientCredentials_service_account( + PyTypeObject *type, PyObject *args, PyObject *kwargs); +ClientCredentials *pygrpc_ClientCredentials_jwt( + PyTypeObject *type, PyObject *args, PyObject *kwargs); +ClientCredentials *pygrpc_ClientCredentials_refresh_token( + PyTypeObject *type, PyObject *args, PyObject *kwargs); +ClientCredentials *pygrpc_ClientCredentials_fake_transport_security( + PyTypeObject *type, PyObject *ignored); +ClientCredentials *pygrpc_ClientCredentials_iam( + PyTypeObject *type, PyObject *args, PyObject *kwargs); +extern PyTypeObject pygrpc_ClientCredentials_type; + + +/*=========================*/ +/* Server-side credentials */ +/*=========================*/ + +typedef struct ServerCredentials { + PyObject_HEAD + grpc_server_credentials *c_creds; +} ServerCredentials; +void pygrpc_ServerCredentials_dealloc(ServerCredentials *self); +ServerCredentials *pygrpc_ServerCredentials_ssl( + PyTypeObject *type, PyObject *args, PyObject *kwargs); +ServerCredentials *pygrpc_ServerCredentials_fake_transport_security( + PyTypeObject *type, PyObject *ignored); +extern PyTypeObject pygrpc_ServerCredentials_type; + + +/*==================*/ +/* Completion queue */ +/*==================*/ + +typedef struct CompletionQueue { + PyObject_HEAD + grpc_completion_queue *c_cq; +} CompletionQueue; +CompletionQueue *pygrpc_CompletionQueue_new( + PyTypeObject *type, PyObject *args, PyObject *kwargs); +void pygrpc_CompletionQueue_dealloc(CompletionQueue *self); +PyObject *pygrpc_CompletionQueue_next( + CompletionQueue *self, PyObject *args, PyObject *kwargs); +PyObject *pygrpc_CompletionQueue_shutdown( + CompletionQueue *self, PyObject *ignored); +extern PyTypeObject pygrpc_CompletionQueue_type; + + +/*======*/ +/* Call */ +/*======*/ + +typedef struct Call { + PyObject_HEAD + grpc_call *c_call; + CompletionQueue *cq; +} Call; +Call *pygrpc_Call_new_empty(CompletionQueue *cq); +void pygrpc_Call_dealloc(Call *self); +PyObject *pygrpc_Call_start_batch(Call *self, PyObject *args, PyObject *kwargs); +PyObject *pygrpc_Call_cancel(Call *self, PyObject *args, PyObject *kwargs); +extern PyTypeObject pygrpc_Call_type; + + +/*=========*/ +/* Channel */ +/*=========*/ + +typedef struct Channel { + PyObject_HEAD + grpc_channel *c_chan; +} Channel; +Channel *pygrpc_Channel_new( + PyTypeObject *type, PyObject *args, PyObject *kwargs); +void pygrpc_Channel_dealloc(Channel *self); +Call *pygrpc_Channel_create_call( + Channel *self, PyObject *args, PyObject *kwargs); +extern PyTypeObject pygrpc_Channel_type; + + +/*========*/ +/* Server */ +/*========*/ + +typedef struct Server { + PyObject_HEAD + grpc_server *c_serv; + CompletionQueue *cq; +} Server; +Server *pygrpc_Server_new(PyTypeObject *type, PyObject *args, PyObject *kwargs); +void pygrpc_Server_dealloc(Server *self); +PyObject *pygrpc_Server_request_call( + Server *self, PyObject *args, PyObject *kwargs); +PyObject *pygrpc_Server_add_http2_port( + Server *self, PyObject *args, PyObject *kwargs); +PyObject *pygrpc_Server_start(Server *self, PyObject *ignored); +PyObject *pygrpc_Server_shutdown( + Server *self, PyObject *args, PyObject *kwargs); +extern PyTypeObject pygrpc_Server_type; + +/*=========*/ +/* Utility */ +/*=========*/ + +/* Every tag that passes from Python GRPC to GRPC core is of this type. */ +typedef struct pygrpc_tag { + PyObject *user_tag; + Call *call; + grpc_call_details request_call_details; + grpc_metadata_array request_metadata; + grpc_op *ops; + size_t nops; + int is_new_call; +} pygrpc_tag; + +/* Construct a tag associated with a batch call. Does not take ownership of the + resources in the elements of ops. */ +pygrpc_tag *pygrpc_produce_batch_tag(PyObject *user_tag, Call *call, + grpc_op *ops, size_t nops); + + +/* Construct a tag associated with a server request. The calling code should + use the appropriate fields of the produced tag in the invocation of + grpc_server_request_call. */ +pygrpc_tag *pygrpc_produce_request_tag(PyObject *user_tag, Call *empty_call); + +/* Construct a tag associated with a server shutdown. */ +pygrpc_tag *pygrpc_produce_server_shutdown_tag(PyObject *user_tag); + +/* Frees all resources owned by the tag and the tag itself. */ +void pygrpc_discard_tag(pygrpc_tag *tag); + +/* Consumes an event and its associated tag, providing a Python tuple of the + form `(type, tag, call, call_details, results)` (where type is an integer + corresponding to a grpc_completion_type, tag is an arbitrary PyObject, call + is the call object associated with the event [if any], call_details is a + tuple of form `(method, host, deadline)` [if such details are available], + and resultd is a list of tuples of form `(type, metadata, message, status, + cancelled)` [where type corresponds to a grpc_op_type, metadata is a + sequence of 2-sequences of strings, message is a byte string, and status is + a 2-tuple of an integer corresponding to grpc_status_code and a string of + status details]). + + Frees all resources associated with the event tag. */ +PyObject *pygrpc_consume_event(grpc_event event); + +/* Transliterate the Python tuple of form `(type, metadata, message, + status)` (where type is an integer corresponding to a grpc_op_type, metadata + is a sequence of 2-sequences of strings, message is a byte string, and + status is 2-tuple of an integer corresponding to grpc_status_code and a + string of status details) to a grpc_op suitable for use in a + grpc_call_start_batch invocation. The grpc_op is a 'directory' of resources + that must be freed after GRPC core is done with them. + + Calls gpr_malloc (or the appropriate type-specific grpc_*_create function) + to populate the appropriate union-discriminated members of the op. + + Returns true on success, false on failure. */ +int pygrpc_produce_op(PyObject *op, grpc_op *result); + +/* Discards all resources associated with the passed in op that was produced by + pygrpc_produce_op. */ +void pygrpc_discard_op(grpc_op op); + +/* Transliterate the grpc_ops (which have been sent through a + grpc_call_start_batch invocation and whose corresponding event has appeared + on a completion queue) to a Python tuple of form `(type, metadata, message, + status, cancelled)` (where type is an integer corresponding to a + grpc_op_type, metadata is a sequence of 2-sequences of strings, message is a + byte string, and status is 2-tuple of an integer corresponding to + grpc_status_code and a string of status details). + + Calls gpr_free (or the appropriate type-specific grpc_*_destroy function) on + the appropriate union-discriminated populated members of the ops. */ +PyObject *pygrpc_consume_ops(grpc_op *op, size_t nops); + +/* Transliterate from a gpr_timespec to a double (in units of seconds, either + from the epoch if interpreted absolutely or as a delta otherwise). */ +double pygrpc_cast_gpr_timespec_to_double(gpr_timespec timespec); + +/* Transliterate from a double (in units of seconds from the epoch if + interpreted absolutely or as a delta otherwise) to a gpr_timespec. */ +gpr_timespec pygrpc_cast_double_to_gpr_timespec(double seconds); + +/* Returns true on success, false on failure. */ +int pygrpc_cast_pylist_to_send_metadata( + PyObject *pylist, grpc_metadata **metadata, size_t *count); +/* Returns a metadata array as a Python object on success, else NULL. */ +PyObject *pygrpc_cast_metadata_array_to_pylist(grpc_metadata_array metadata); + +/* Transliterate from a list of python channel arguments (2-tuples of string + and string|integer|None) to a grpc_channel_args object. The strings placed + in the grpc_channel_args object's grpc_arg elements are views of the Python + object. The Python object must live long enough for the grpc_channel_args + to be used. Arguments set to None are silently ignored. Returns true on + success, false on failure. */ +int pygrpc_produce_channel_args(PyObject *py_args, grpc_channel_args *c_args); +void pygrpc_discard_channel_args(grpc_channel_args args); + +/* Read the bytes from grpc_byte_buffer to a gpr_malloc'd array of bytes; + output to result and result_size. */ +void pygrpc_byte_buffer_to_bytes( + grpc_byte_buffer *buffer, char **result, size_t *result_size); + + +/*========*/ +/* Module */ +/*========*/ + +/* Returns 0 on success, -1 on failure. */ +int pygrpc_module_add_types(PyObject *module); + +#endif /* GRPC__ADAPTER__C_TYPES_H_ */ diff --git a/src/python/src/grpc/_adapter/_c/types/call.c b/src/python/src/grpc/_adapter/_c/types/call.c new file mode 100644 index 0000000000..0739070044 --- /dev/null +++ b/src/python/src/grpc/_adapter/_c/types/call.c @@ -0,0 +1,163 @@ +/* + * + * Copyright 2015, Google Inc. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following disclaimer + * in the documentation and/or other materials provided with the + * distribution. + * * Neither the name of Google Inc. nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + */ + +#include "grpc/_adapter/_c/types.h" + +#define PY_SSIZE_T_CLEAN +#include <Python.h> +#include <grpc/grpc.h> +#include <grpc/support/alloc.h> + + +PyMethodDef pygrpc_Call_methods[] = { + {"start_batch", (PyCFunction)pygrpc_Call_start_batch, METH_KEYWORDS, ""}, + {"cancel", (PyCFunction)pygrpc_Call_cancel, METH_KEYWORDS, ""}, + {NULL} +}; +const char pygrpc_Call_doc[] = "See grpc._adapter._types.Call."; +PyTypeObject pygrpc_Call_type = { + PyObject_HEAD_INIT(NULL) + 0, /* ob_size */ + "Call", /* tp_name */ + sizeof(Call), /* tp_basicsize */ + 0, /* tp_itemsize */ + (destructor)pygrpc_Call_dealloc, /* tp_dealloc */ + 0, /* tp_print */ + 0, /* tp_getattr */ + 0, /* tp_setattr */ + 0, /* tp_compare */ + 0, /* tp_repr */ + 0, /* tp_as_number */ + 0, /* tp_as_sequence */ + 0, /* tp_as_mapping */ + 0, /* tp_hash */ + 0, /* tp_call */ + 0, /* tp_str */ + 0, /* tp_getattro */ + 0, /* tp_setattro */ + 0, /* tp_as_buffer */ + Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, /* tp_flags */ + pygrpc_Call_doc, /* tp_doc */ + 0, /* tp_traverse */ + 0, /* tp_clear */ + 0, /* tp_richcompare */ + 0, /* tp_weaklistoffset */ + 0, /* tp_iter */ + 0, /* tp_iternext */ + pygrpc_Call_methods, /* tp_methods */ + 0, /* tp_members */ + 0, /* tp_getset */ + 0, /* tp_base */ + 0, /* tp_dict */ + 0, /* tp_descr_get */ + 0, /* tp_descr_set */ + 0, /* tp_dictoffset */ + 0, /* tp_init */ + 0, /* tp_alloc */ + 0 /* tp_new */ +}; + +Call *pygrpc_Call_new_empty(CompletionQueue *cq) { + Call *call = (Call *)pygrpc_Call_type.tp_alloc(&pygrpc_Call_type, 0); + call->c_call = NULL; + call->cq = cq; + Py_XINCREF(call->cq); + return call; +} +void pygrpc_Call_dealloc(Call *self) { + if (self->c_call) { + grpc_call_destroy(self->c_call); + } + Py_XDECREF(self->cq); + self->ob_type->tp_free((PyObject *)self); +} +PyObject *pygrpc_Call_start_batch(Call *self, PyObject *args, PyObject *kwargs) { + PyObject *op_list; + PyObject *user_tag; + grpc_op *ops; + size_t nops; + size_t i; + size_t j; + pygrpc_tag *tag; + grpc_call_error errcode; + static char *keywords[] = {"ops", "tag", NULL}; + if (!PyArg_ParseTupleAndKeywords(args, kwargs, "OO:start_batch", keywords, + &op_list, &user_tag)) { + return NULL; + } + if (!PyList_Check(op_list)) { + PyErr_SetString(PyExc_TypeError, "expected a list of OpArgs"); + return NULL; + } + nops = PyList_Size(op_list); + ops = gpr_malloc(sizeof(grpc_op) * nops); + for (i = 0; i < nops; ++i) { + PyObject *item = PyList_GET_ITEM(op_list, i); + if (!pygrpc_produce_op(item, &ops[i])) { + for (j = 0; j < i; ++j) { + pygrpc_discard_op(ops[j]); + } + return NULL; + } + } + tag = pygrpc_produce_batch_tag(user_tag, self, ops, nops); + errcode = grpc_call_start_batch(self->c_call, tag->ops, tag->nops, tag); + gpr_free(ops); + return PyInt_FromLong(errcode); +} +PyObject *pygrpc_Call_cancel(Call *self, PyObject *args, PyObject *kwargs) { + PyObject *py_code = NULL; + grpc_call_error errcode; + int code; + char *details = NULL; + static char *keywords[] = {"code", "details", NULL}; + if (!PyArg_ParseTupleAndKeywords(args, kwargs, "|Os:start_batch", keywords, + &py_code, &details)) { + return NULL; + } + if (py_code != NULL && details != NULL) { + if (!PyInt_Check(py_code)) { + PyErr_SetString(PyExc_TypeError, "expected integer code"); + return NULL; + } + code = PyInt_AsLong(py_code); + errcode = grpc_call_cancel_with_status(self->c_call, code, details); + } else if (py_code != NULL || details != NULL) { + PyErr_SetString(PyExc_ValueError, + "if `code` is specified, so must `details`"); + return NULL; + } else { + errcode = grpc_call_cancel(self->c_call); + } + return PyInt_FromLong(errcode); +} diff --git a/src/python/src/grpc/_adapter/_c/types/channel.c b/src/python/src/grpc/_adapter/_c/types/channel.c new file mode 100644 index 0000000000..c235597466 --- /dev/null +++ b/src/python/src/grpc/_adapter/_c/types/channel.c @@ -0,0 +1,134 @@ +/* + * + * Copyright 2015, Google Inc. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following disclaimer + * in the documentation and/or other materials provided with the + * distribution. + * * Neither the name of Google Inc. nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + */ + +#include "grpc/_adapter/_c/types.h" + +#define PY_SSIZE_T_CLEAN +#include <Python.h> +#include <grpc/grpc.h> + + +PyMethodDef pygrpc_Channel_methods[] = { + {"create_call", (PyCFunction)pygrpc_Channel_create_call, METH_KEYWORDS, ""}, + {NULL} +}; +const char pygrpc_Channel_doc[] = "See grpc._adapter._types.Channel."; +PyTypeObject pygrpc_Channel_type = { + PyObject_HEAD_INIT(NULL) + 0, /* ob_size */ + "Channel", /* tp_name */ + sizeof(Channel), /* tp_basicsize */ + 0, /* tp_itemsize */ + (destructor)pygrpc_Channel_dealloc, /* tp_dealloc */ + 0, /* tp_print */ + 0, /* tp_getattr */ + 0, /* tp_setattr */ + 0, /* tp_compare */ + 0, /* tp_repr */ + 0, /* tp_as_number */ + 0, /* tp_as_sequence */ + 0, /* tp_as_mapping */ + 0, /* tp_hash */ + 0, /* tp_call */ + 0, /* tp_str */ + 0, /* tp_getattro */ + 0, /* tp_setattro */ + 0, /* tp_as_buffer */ + Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, /* tp_flags */ + pygrpc_Channel_doc, /* tp_doc */ + 0, /* tp_traverse */ + 0, /* tp_clear */ + 0, /* tp_richcompare */ + 0, /* tp_weaklistoffset */ + 0, /* tp_iter */ + 0, /* tp_iternext */ + pygrpc_Channel_methods, /* tp_methods */ + 0, /* tp_members */ + 0, /* tp_getset */ + 0, /* tp_base */ + 0, /* tp_dict */ + 0, /* tp_descr_get */ + 0, /* tp_descr_set */ + 0, /* tp_dictoffset */ + 0, /* tp_init */ + 0, /* tp_alloc */ + (newfunc)pygrpc_Channel_new /* tp_new */ +}; + +Channel *pygrpc_Channel_new( + PyTypeObject *type, PyObject *args, PyObject *kwargs) { + Channel *self; + const char *target; + PyObject *py_args; + ClientCredentials *creds = NULL; + grpc_channel_args c_args; + char *keywords[] = {"target", "args", "creds", NULL}; + if (!PyArg_ParseTupleAndKeywords(args, kwargs, "sO|O!:Channel", keywords, + &target, &py_args, &pygrpc_ClientCredentials_type, &creds)) { + return NULL; + } + if (!pygrpc_produce_channel_args(py_args, &c_args)) { + return NULL; + } + self = (Channel *)type->tp_alloc(type, 0); + if (creds) { + self->c_chan = grpc_secure_channel_create(creds->c_creds, target, &c_args); + } else { + self->c_chan = grpc_channel_create(target, &c_args); + } + pygrpc_discard_channel_args(c_args); + return self; +} +void pygrpc_Channel_dealloc(Channel *self) { + grpc_channel_destroy(self->c_chan); + self->ob_type->tp_free((PyObject *)self); +} + +Call *pygrpc_Channel_create_call( + Channel *self, PyObject *args, PyObject *kwargs) { + Call *call; + CompletionQueue *cq; + const char *method; + const char *host; + double deadline; + char *keywords[] = {"cq", "method", "host", "deadline", NULL}; + if (!PyArg_ParseTupleAndKeywords(args, kwargs, "O!ssd:create_call", keywords, + &pygrpc_CompletionQueue_type, &cq, &method, &host, &deadline)) { + return NULL; + } + call = pygrpc_Call_new_empty(cq); + call->c_call = grpc_channel_create_call( + self->c_chan, cq->c_cq, method, host, + pygrpc_cast_double_to_gpr_timespec(deadline)); + return call; +} diff --git a/src/python/src/grpc/_adapter/_c/types/client_credentials.c b/src/python/src/grpc/_adapter/_c/types/client_credentials.c new file mode 100644 index 0000000000..6a4561c060 --- /dev/null +++ b/src/python/src/grpc/_adapter/_c/types/client_credentials.c @@ -0,0 +1,286 @@ +/* + * + * Copyright 2015, Google Inc. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following disclaimer + * in the documentation and/or other materials provided with the + * distribution. + * * Neither the name of Google Inc. nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + */ + +#include "grpc/_adapter/_c/types.h" + +#define PY_SSIZE_T_CLEAN +#include <Python.h> +#include <grpc/grpc.h> +#include <grpc/grpc_security.h> + + +PyMethodDef pygrpc_ClientCredentials_methods[] = { + {"google_default", (PyCFunction)pygrpc_ClientCredentials_google_default, + METH_CLASS|METH_NOARGS, ""}, + {"ssl", (PyCFunction)pygrpc_ClientCredentials_ssl, + METH_CLASS|METH_KEYWORDS, ""}, + {"composite", (PyCFunction)pygrpc_ClientCredentials_composite, + METH_CLASS|METH_KEYWORDS, ""}, + {"compute_engine", (PyCFunction)pygrpc_ClientCredentials_compute_engine, + METH_CLASS|METH_NOARGS, ""}, + {"service_account", (PyCFunction)pygrpc_ClientCredentials_service_account, + METH_CLASS|METH_KEYWORDS, ""}, + {"jwt", (PyCFunction)pygrpc_ClientCredentials_jwt, + METH_CLASS|METH_KEYWORDS, ""}, + {"refresh_token", (PyCFunction)pygrpc_ClientCredentials_refresh_token, + METH_CLASS|METH_KEYWORDS, ""}, + {"fake_transport_security", + (PyCFunction)pygrpc_ClientCredentials_fake_transport_security, + METH_CLASS|METH_NOARGS, ""}, + {"iam", (PyCFunction)pygrpc_ClientCredentials_iam, + METH_CLASS|METH_KEYWORDS, ""}, + {NULL} +}; +const char pygrpc_ClientCredentials_doc[] = ""; +PyTypeObject pygrpc_ClientCredentials_type = { + PyObject_HEAD_INIT(NULL) + 0, /* ob_size */ + "ClientCredentials", /* tp_name */ + sizeof(ClientCredentials), /* tp_basicsize */ + 0, /* tp_itemsize */ + (destructor)pygrpc_ClientCredentials_dealloc, /* tp_dealloc */ + 0, /* tp_print */ + 0, /* tp_getattr */ + 0, /* tp_setattr */ + 0, /* tp_compare */ + 0, /* tp_repr */ + 0, /* tp_as_number */ + 0, /* tp_as_sequence */ + 0, /* tp_as_mapping */ + 0, /* tp_hash */ + 0, /* tp_call */ + 0, /* tp_str */ + 0, /* tp_getattro */ + 0, /* tp_setattro */ + 0, /* tp_as_buffer */ + Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, /* tp_flags */ + pygrpc_ClientCredentials_doc, /* tp_doc */ + 0, /* tp_traverse */ + 0, /* tp_clear */ + 0, /* tp_richcompare */ + 0, /* tp_weaklistoffset */ + 0, /* tp_iter */ + 0, /* tp_iternext */ + pygrpc_ClientCredentials_methods, /* tp_methods */ + 0, /* tp_members */ + 0, /* tp_getset */ + 0, /* tp_base */ + 0, /* tp_dict */ + 0, /* tp_descr_get */ + 0, /* tp_descr_set */ + 0, /* tp_dictoffset */ + 0, /* tp_init */ + 0, /* tp_alloc */ + 0 /* tp_new */ +}; + +void pygrpc_ClientCredentials_dealloc(ClientCredentials *self) { + grpc_credentials_release(self->c_creds); + self->ob_type->tp_free((PyObject *)self); +} + +ClientCredentials *pygrpc_ClientCredentials_google_default( + PyTypeObject *type, PyObject *ignored) { + ClientCredentials *self = (ClientCredentials *)type->tp_alloc(type, 0); + self->c_creds = grpc_google_default_credentials_create(); + if (!self->c_creds) { + Py_DECREF(self); + PyErr_SetString(PyExc_RuntimeError, + "couldn't create Google default credentials"); + return NULL; + } + return self; +} + +ClientCredentials *pygrpc_ClientCredentials_ssl( + PyTypeObject *type, PyObject *args, PyObject *kwargs) { + ClientCredentials *self; + const char *root_certs; + const char *private_key = NULL; + const char *cert_chain = NULL; + grpc_ssl_pem_key_cert_pair key_cert_pair; + static char *keywords[] = {"root_certs", "private_key", "cert_chain", NULL}; + if (!PyArg_ParseTupleAndKeywords(args, kwargs, "z|zz:ssl", keywords, + &root_certs, &private_key, &cert_chain)) { + return NULL; + } + self = (ClientCredentials *)type->tp_alloc(type, 0); + if (private_key && cert_chain) { + key_cert_pair.private_key = private_key; + key_cert_pair.cert_chain = cert_chain; + self->c_creds = grpc_ssl_credentials_create(root_certs, &key_cert_pair); + } else { + self->c_creds = grpc_ssl_credentials_create(root_certs, NULL); + } + if (!self->c_creds) { + Py_DECREF(self); + PyErr_SetString(PyExc_RuntimeError, "couldn't create ssl credentials"); + return NULL; + } + return self; +} + +ClientCredentials *pygrpc_ClientCredentials_composite( + PyTypeObject *type, PyObject *args, PyObject *kwargs) { + ClientCredentials *self; + ClientCredentials *creds1; + ClientCredentials *creds2; + static char *keywords[] = {"creds1", "creds2", NULL}; + if (!PyArg_ParseTupleAndKeywords(args, kwargs, "O!O!:composite", keywords, + &pygrpc_ClientCredentials_type, &creds1, + &pygrpc_ClientCredentials_type, &creds2)) { + return NULL; + } + self = (ClientCredentials *)type->tp_alloc(type, 0); + self->c_creds = grpc_composite_credentials_create( + creds1->c_creds, creds2->c_creds); + if (!self->c_creds) { + Py_DECREF(self); + PyErr_SetString(PyExc_RuntimeError, "couldn't create composite credentials"); + return NULL; + } + return self; +} + +ClientCredentials *pygrpc_ClientCredentials_compute_engine( + PyTypeObject *type, PyObject *ignored) { + ClientCredentials *self = (ClientCredentials *)type->tp_alloc(type, 0); + self->c_creds = grpc_compute_engine_credentials_create(); + if (!self->c_creds) { + Py_DECREF(self); + PyErr_SetString(PyExc_RuntimeError, + "couldn't create compute engine credentials"); + return NULL; + } + return self; +} + +ClientCredentials *pygrpc_ClientCredentials_service_account( + PyTypeObject *type, PyObject *args, PyObject *kwargs) { + ClientCredentials *self; + const char *json_key; + const char *scope; + double lifetime; + static char *keywords[] = {"json_key", "scope", "token_lifetime", NULL}; + if (!PyArg_ParseTupleAndKeywords(args, kwargs, "ssd:service_account", keywords, + &json_key, &scope, &lifetime)) { + return NULL; + } + self = (ClientCredentials *)type->tp_alloc(type, 0); + self->c_creds = grpc_service_account_credentials_create( + json_key, scope, pygrpc_cast_double_to_gpr_timespec(lifetime)); + if (!self->c_creds) { + Py_DECREF(self); + PyErr_SetString(PyExc_RuntimeError, + "couldn't create service account credentials"); + return NULL; + } + return self; +} + +ClientCredentials *pygrpc_ClientCredentials_jwt( + PyTypeObject *type, PyObject *args, PyObject *kwargs) { + ClientCredentials *self; + const char *json_key; + double lifetime; + static char *keywords[] = {"json_key", "token_lifetime", NULL}; + if (!PyArg_ParseTupleAndKeywords(args, kwargs, "sd:jwt", keywords, + &json_key, &lifetime)) { + return NULL; + } + self = (ClientCredentials *)type->tp_alloc(type, 0); + self->c_creds = grpc_jwt_credentials_create( + json_key, pygrpc_cast_double_to_gpr_timespec(lifetime)); + if (!self->c_creds) { + Py_DECREF(self); + PyErr_SetString(PyExc_RuntimeError, "couldn't create JWT credentials"); + return NULL; + } + return self; +} + +ClientCredentials *pygrpc_ClientCredentials_refresh_token( + PyTypeObject *type, PyObject *args, PyObject *kwargs) { + ClientCredentials *self; + const char *json_refresh_token; + static char *keywords[] = {"json_refresh_token", NULL}; + if (!PyArg_ParseTupleAndKeywords(args, kwargs, "s:refresh_token", keywords, + &json_refresh_token)) { + return NULL; + } + self = (ClientCredentials *)type->tp_alloc(type, 0); + self->c_creds = grpc_refresh_token_credentials_create(json_refresh_token); + if (!self->c_creds) { + Py_DECREF(self); + PyErr_SetString(PyExc_RuntimeError, + "couldn't create credentials from refresh token"); + return NULL; + } + return self; +} + +ClientCredentials *pygrpc_ClientCredentials_fake_transport_security( + PyTypeObject *type, PyObject *ignored) { + ClientCredentials *self = (ClientCredentials *)type->tp_alloc(type, 0); + self->c_creds = grpc_fake_transport_security_credentials_create(); + if (!self->c_creds) { + Py_DECREF(self); + PyErr_SetString(PyExc_RuntimeError, + "couldn't create fake credentials; " + "something is horribly wrong with the universe"); + return NULL; + } + return self; +} + +ClientCredentials *pygrpc_ClientCredentials_iam( + PyTypeObject *type, PyObject *args, PyObject *kwargs) { + ClientCredentials *self; + const char *authorization_token; + const char *authority_selector; + static char *keywords[] = {"authorization_token", "authority_selector", NULL}; + if (!PyArg_ParseTupleAndKeywords(args, kwargs, "ss:iam", keywords, + &authorization_token, &authority_selector)) { + return NULL; + } + self = (ClientCredentials *)type->tp_alloc(type, 0); + self->c_creds = grpc_iam_credentials_create(authorization_token, + authority_selector); + if (!self->c_creds) { + Py_DECREF(self); + PyErr_SetString(PyExc_RuntimeError, "couldn't create IAM credentials"); + return NULL; + } + return self; +} + diff --git a/src/python/src/grpc/_adapter/_c/types/completion_queue.c b/src/python/src/grpc/_adapter/_c/types/completion_queue.c new file mode 100644 index 0000000000..2dd44b6ddd --- /dev/null +++ b/src/python/src/grpc/_adapter/_c/types/completion_queue.c @@ -0,0 +1,124 @@ +/* + * + * Copyright 2015, Google Inc. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following disclaimer + * in the documentation and/or other materials provided with the + * distribution. + * * Neither the name of Google Inc. nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + */ + +#include "grpc/_adapter/_c/types.h" + +#define PY_SSIZE_T_CLEAN +#include <Python.h> +#include <grpc/grpc.h> + + +PyMethodDef pygrpc_CompletionQueue_methods[] = { + {"next", (PyCFunction)pygrpc_CompletionQueue_next, METH_KEYWORDS, ""}, + {"shutdown", (PyCFunction)pygrpc_CompletionQueue_shutdown, METH_NOARGS, ""}, + {NULL} +}; +const char pygrpc_CompletionQueue_doc[] = + "See grpc._adapter._types.CompletionQueue."; +PyTypeObject pygrpc_CompletionQueue_type = { + PyObject_HEAD_INIT(NULL) + 0, /* ob_size */ + "CompletionQueue", /* tp_name */ + sizeof(CompletionQueue), /* tp_basicsize */ + 0, /* tp_itemsize */ + (destructor)pygrpc_CompletionQueue_dealloc, /* tp_dealloc */ + 0, /* tp_print */ + 0, /* tp_getattr */ + 0, /* tp_setattr */ + 0, /* tp_compare */ + 0, /* tp_repr */ + 0, /* tp_as_number */ + 0, /* tp_as_sequence */ + 0, /* tp_as_mapping */ + 0, /* tp_hash */ + 0, /* tp_call */ + 0, /* tp_str */ + 0, /* tp_getattro */ + 0, /* tp_setattro */ + 0, /* tp_as_buffer */ + Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, /* tp_flags */ + pygrpc_CompletionQueue_doc, /* tp_doc */ + 0, /* tp_traverse */ + 0, /* tp_clear */ + 0, /* tp_richcompare */ + 0, /* tp_weaklistoffset */ + 0, /* tp_iter */ + 0, /* tp_iternext */ + pygrpc_CompletionQueue_methods, /* tp_methods */ + 0, /* tp_members */ + 0, /* tp_getset */ + 0, /* tp_base */ + 0, /* tp_dict */ + 0, /* tp_descr_get */ + 0, /* tp_descr_set */ + 0, /* tp_dictoffset */ + 0, /* tp_init */ + 0, /* tp_alloc */ + (newfunc)pygrpc_CompletionQueue_new /* tp_new */ +}; + +CompletionQueue *pygrpc_CompletionQueue_new( + PyTypeObject *type, PyObject *args, PyObject *kwargs) { + CompletionQueue *self = (CompletionQueue *)type->tp_alloc(type, 0); + self->c_cq = grpc_completion_queue_create(); + return self; +} + +void pygrpc_CompletionQueue_dealloc(CompletionQueue *self) { + grpc_completion_queue_destroy(self->c_cq); + self->ob_type->tp_free((PyObject *)self); +} + +PyObject *pygrpc_CompletionQueue_next( + CompletionQueue *self, PyObject *args, PyObject *kwargs) { + double deadline; + grpc_event event; + PyObject *transliterated_event; + static char *keywords[] = {"deadline", NULL}; + if (!PyArg_ParseTupleAndKeywords(args, kwargs, "d:next", keywords, + &deadline)) { + return NULL; + } + Py_BEGIN_ALLOW_THREADS; + event = grpc_completion_queue_next( + self->c_cq, pygrpc_cast_double_to_gpr_timespec(deadline)); + Py_END_ALLOW_THREADS; + transliterated_event = pygrpc_consume_event(event); + return transliterated_event; +} + +PyObject *pygrpc_CompletionQueue_shutdown( + CompletionQueue *self, PyObject *ignored) { + grpc_completion_queue_shutdown(self->c_cq); + Py_RETURN_NONE; +} diff --git a/src/python/src/grpc/_adapter/_c/types/server.c b/src/python/src/grpc/_adapter/_c/types/server.c new file mode 100644 index 0000000000..65d84b58fe --- /dev/null +++ b/src/python/src/grpc/_adapter/_c/types/server.c @@ -0,0 +1,183 @@ +/* + * + * Copyright 2015, Google Inc. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following disclaimer + * in the documentation and/or other materials provided with the + * distribution. + * * Neither the name of Google Inc. nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + */ + +#include "grpc/_adapter/_c/types.h" + +#define PY_SSIZE_T_CLEAN +#include <Python.h> +#include <grpc/grpc.h> + + +PyMethodDef pygrpc_Server_methods[] = { + {"request_call", (PyCFunction)pygrpc_Server_request_call, + METH_KEYWORDS, ""}, + {"add_http2_port", (PyCFunction)pygrpc_Server_add_http2_port, + METH_KEYWORDS, ""}, + {"start", (PyCFunction)pygrpc_Server_start, METH_NOARGS, ""}, + {"shutdown", (PyCFunction)pygrpc_Server_shutdown, METH_KEYWORDS, ""}, + {NULL} +}; +const char pygrpc_Server_doc[] = "See grpc._adapter._types.Server."; +PyTypeObject pygrpc_Server_type = { + PyObject_HEAD_INIT(NULL) + 0, /* ob_size */ + "Server", /* tp_name */ + sizeof(Server), /* tp_basicsize */ + 0, /* tp_itemsize */ + (destructor)pygrpc_Server_dealloc, /* tp_dealloc */ + 0, /* tp_print */ + 0, /* tp_getattr */ + 0, /* tp_setattr */ + 0, /* tp_compare */ + 0, /* tp_repr */ + 0, /* tp_as_number */ + 0, /* tp_as_sequence */ + 0, /* tp_as_mapping */ + 0, /* tp_hash */ + 0, /* tp_call */ + 0, /* tp_str */ + 0, /* tp_getattro */ + 0, /* tp_setattro */ + 0, /* tp_as_buffer */ + Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, /* tp_flags */ + pygrpc_Server_doc, /* tp_doc */ + 0, /* tp_traverse */ + 0, /* tp_clear */ + 0, /* tp_richcompare */ + 0, /* tp_weaklistoffset */ + 0, /* tp_iter */ + 0, /* tp_iternext */ + pygrpc_Server_methods, /* tp_methods */ + 0, /* tp_members */ + 0, /* tp_getset */ + 0, /* tp_base */ + 0, /* tp_dict */ + 0, /* tp_descr_get */ + 0, /* tp_descr_set */ + 0, /* tp_dictoffset */ + 0, /* tp_init */ + 0, /* tp_alloc */ + (newfunc)pygrpc_Server_new /* tp_new */ +}; + +Server *pygrpc_Server_new(PyTypeObject *type, PyObject *args, PyObject *kwargs) { + Server *self; + CompletionQueue *cq; + PyObject *py_args; + grpc_channel_args c_args; + char *keywords[] = {"cq", "args", NULL}; + if (!PyArg_ParseTupleAndKeywords(args, kwargs, "O!O:Channel", keywords, + &pygrpc_CompletionQueue_type, &cq, &py_args)) { + return NULL; + } + if (!pygrpc_produce_channel_args(py_args, &c_args)) { + return NULL; + } + self = (Server *)type->tp_alloc(type, 0); + self->c_serv = grpc_server_create(&c_args); + pygrpc_discard_channel_args(c_args); + self->cq = cq; + Py_INCREF(self->cq); + return self; +} + +void pygrpc_Server_dealloc(Server *self) { + grpc_server_destroy(self->c_serv); + Py_XDECREF(self->cq); + self->ob_type->tp_free((PyObject *)self); +} + +PyObject *pygrpc_Server_request_call( + Server *self, PyObject *args, PyObject *kwargs) { + CompletionQueue *cq; + PyObject *user_tag; + pygrpc_tag *tag; + Call *empty_call; + grpc_call_error errcode; + static char *keywords[] = {"cq", "tag", NULL}; + if (!PyArg_ParseTupleAndKeywords( + args, kwargs, "O!O", keywords, + &pygrpc_CompletionQueue_type, &cq, &user_tag)) { + return NULL; + } + empty_call = pygrpc_Call_new_empty(cq); + tag = pygrpc_produce_request_tag(user_tag, empty_call); + errcode = grpc_server_request_call( + self->c_serv, &tag->call->c_call, &tag->request_call_details, + &tag->request_metadata, tag->call->cq->c_cq, self->cq->c_cq, tag); + Py_DECREF(empty_call); + return PyInt_FromLong(errcode); +} + +PyObject *pygrpc_Server_add_http2_port( + Server *self, PyObject *args, PyObject *kwargs) { + const char *addr; + ServerCredentials *creds = NULL; + int port; + static char *keywords[] = {"addr", "creds", NULL}; + if (!PyArg_ParseTupleAndKeywords( + args, kwargs, "s|O!:add_http2_port", keywords, + &addr, &pygrpc_ServerCredentials_type, &creds)) { + return NULL; + } + if (creds) { + port = grpc_server_add_secure_http2_port( + self->c_serv, addr, creds->c_creds); + } else { + port = grpc_server_add_http2_port(self->c_serv, addr); + } + return PyInt_FromLong(port); + +} + +PyObject *pygrpc_Server_start(Server *self, PyObject *ignored) { + grpc_server_start(self->c_serv); + Py_RETURN_NONE; +} + +PyObject *pygrpc_Server_shutdown( + Server *self, PyObject *args, PyObject *kwargs) { + PyObject *user_tag = NULL; + pygrpc_tag *tag; + static char *keywords[] = {"tag", NULL}; + if (!PyArg_ParseTupleAndKeywords(args, kwargs, "|O", keywords, &user_tag)) { + return NULL; + } + if (user_tag) { + tag = pygrpc_produce_server_shutdown_tag(user_tag); + grpc_server_shutdown_and_notify(self->c_serv, tag); + } else { + grpc_server_shutdown(self->c_serv); + } + Py_RETURN_NONE; +} diff --git a/src/python/src/grpc/_adapter/_c/types/server_credentials.c b/src/python/src/grpc/_adapter/_c/types/server_credentials.c new file mode 100644 index 0000000000..2e02c8fe81 --- /dev/null +++ b/src/python/src/grpc/_adapter/_c/types/server_credentials.c @@ -0,0 +1,146 @@ +/* + * + * Copyright 2015, Google Inc. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following disclaimer + * in the documentation and/or other materials provided with the + * distribution. + * * Neither the name of Google Inc. nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + */ + +#include "grpc/_adapter/_c/types.h" + +#define PY_SSIZE_T_CLEAN +#include <Python.h> +#include <grpc/grpc.h> +#include <grpc/grpc_security.h> +#include <grpc/support/alloc.h> + + +PyMethodDef pygrpc_ServerCredentials_methods[] = { + {"ssl", (PyCFunction)pygrpc_ServerCredentials_ssl, + METH_CLASS|METH_KEYWORDS, ""}, + {"fake_transport_security", + (PyCFunction)pygrpc_ServerCredentials_fake_transport_security, + METH_CLASS|METH_NOARGS, ""}, + {NULL} +}; +const char pygrpc_ServerCredentials_doc[] = ""; +PyTypeObject pygrpc_ServerCredentials_type = { + PyObject_HEAD_INIT(NULL) + 0, /* ob_size */ + "ServerCredentials", /* tp_name */ + sizeof(ServerCredentials), /* tp_basicsize */ + 0, /* tp_itemsize */ + (destructor)pygrpc_ServerCredentials_dealloc, /* tp_dealloc */ + 0, /* tp_print */ + 0, /* tp_getattr */ + 0, /* tp_setattr */ + 0, /* tp_compare */ + 0, /* tp_repr */ + 0, /* tp_as_number */ + 0, /* tp_as_sequence */ + 0, /* tp_as_mapping */ + 0, /* tp_hash */ + 0, /* tp_call */ + 0, /* tp_str */ + 0, /* tp_getattro */ + 0, /* tp_setattro */ + 0, /* tp_as_buffer */ + Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, /* tp_flags */ + pygrpc_ServerCredentials_doc, /* tp_doc */ + 0, /* tp_traverse */ + 0, /* tp_clear */ + 0, /* tp_richcompare */ + 0, /* tp_weaklistoffset */ + 0, /* tp_iter */ + 0, /* tp_iternext */ + pygrpc_ServerCredentials_methods, /* tp_methods */ + 0, /* tp_members */ + 0, /* tp_getset */ + 0, /* tp_base */ + 0, /* tp_dict */ + 0, /* tp_descr_get */ + 0, /* tp_descr_set */ + 0, /* tp_dictoffset */ + 0, /* tp_init */ + 0, /* tp_alloc */ + 0 /* tp_new */ +}; + +void pygrpc_ServerCredentials_dealloc(ServerCredentials *self) { + grpc_server_credentials_release(self->c_creds); + self->ob_type->tp_free((PyObject *)self); +} + +ServerCredentials *pygrpc_ServerCredentials_ssl( + PyTypeObject *type, PyObject *args, PyObject *kwargs) { + ServerCredentials *self; + const char *root_certs; + PyObject *py_key_cert_pairs; + grpc_ssl_pem_key_cert_pair *key_cert_pairs; + size_t num_key_cert_pairs; + size_t i; + static char *keywords[] = {"root_certs", "key_cert_pairs", NULL}; + if (!PyArg_ParseTupleAndKeywords(args, kwargs, "zO:ssl", keywords, + &root_certs, &py_key_cert_pairs)) { + return NULL; + } + if (!PyList_Check(py_key_cert_pairs)) { + PyErr_SetString(PyExc_TypeError, "expected a list of 2-tuples of strings"); + return NULL; + } + num_key_cert_pairs = PyList_Size(py_key_cert_pairs); + key_cert_pairs = + gpr_malloc(sizeof(grpc_ssl_pem_key_cert_pair) * num_key_cert_pairs); + for (i = 0; i < num_key_cert_pairs; ++i) { + PyObject *item = PyList_GET_ITEM(py_key_cert_pairs, i); + const char *key; + const char *cert; + if (!PyArg_ParseTuple(item, "zz", &key, &cert)) { + gpr_free(key_cert_pairs); + PyErr_SetString(PyExc_TypeError, + "expected a list of 2-tuples of strings"); + return NULL; + } + key_cert_pairs[i].private_key = key; + key_cert_pairs[i].cert_chain = cert; + } + + self = (ServerCredentials *)type->tp_alloc(type, 0); + self->c_creds = grpc_ssl_server_credentials_create( + root_certs, key_cert_pairs, num_key_cert_pairs); + gpr_free(key_cert_pairs); + return self; +} + +ServerCredentials *pygrpc_ServerCredentials_fake_transport_security( + PyTypeObject *type, PyObject *ignored) { + ServerCredentials *self = (ServerCredentials *)type->tp_alloc(type, 0); + self->c_creds = grpc_fake_transport_security_server_credentials_create(); + return self; +} + diff --git a/src/python/src/grpc/_adapter/_c/utility.c b/src/python/src/grpc/_adapter/_c/utility.c new file mode 100644 index 0000000000..6d228c73fe --- /dev/null +++ b/src/python/src/grpc/_adapter/_c/utility.c @@ -0,0 +1,460 @@ +/* + * + * Copyright 2015, Google Inc. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following disclaimer + * in the documentation and/or other materials provided with the + * distribution. + * * Neither the name of Google Inc. nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + */ + +#include <math.h> + +#define PY_SSIZE_T_CLEAN +#include <Python.h> +#include <grpc/grpc.h> +#include <grpc/support/alloc.h> +#include <grpc/support/slice.h> +#include <grpc/support/time.h> + +#include "grpc/_adapter/_c/types.h" + +pygrpc_tag *pygrpc_produce_batch_tag( + PyObject *user_tag, Call *call, grpc_op *ops, size_t nops) { + pygrpc_tag *tag = gpr_malloc(sizeof(pygrpc_tag)); + tag->user_tag = user_tag; + Py_XINCREF(tag->user_tag); + tag->call = call; + Py_XINCREF(tag->call); + tag->ops = gpr_malloc(sizeof(grpc_op)*nops); + memcpy(tag->ops, ops, sizeof(grpc_op)*nops); + tag->nops = nops; + grpc_call_details_init(&tag->request_call_details); + grpc_metadata_array_init(&tag->request_metadata); + tag->is_new_call = 0; + return tag; +} + +pygrpc_tag *pygrpc_produce_request_tag(PyObject *user_tag, Call *empty_call) { + pygrpc_tag *tag = gpr_malloc(sizeof(pygrpc_tag)); + tag->user_tag = user_tag; + Py_XINCREF(tag->user_tag); + tag->call = empty_call; + Py_XINCREF(tag->call); + tag->ops = NULL; + tag->nops = 0; + grpc_call_details_init(&tag->request_call_details); + grpc_metadata_array_init(&tag->request_metadata); + tag->is_new_call = 1; + return tag; +} + +pygrpc_tag *pygrpc_produce_server_shutdown_tag(PyObject *user_tag) { + pygrpc_tag *tag = gpr_malloc(sizeof(pygrpc_tag)); + tag->user_tag = user_tag; + Py_XINCREF(tag->user_tag); + tag->call = NULL; + tag->ops = NULL; + tag->nops = 0; + grpc_call_details_init(&tag->request_call_details); + grpc_metadata_array_init(&tag->request_metadata); + tag->is_new_call = 0; + return tag; +} + +void pygrpc_discard_tag(pygrpc_tag *tag) { + if (!tag) { + return; + } + Py_XDECREF(tag->user_tag); + Py_XDECREF(tag->call); + gpr_free(tag->ops); + grpc_call_details_destroy(&tag->request_call_details); + grpc_metadata_array_destroy(&tag->request_metadata); + gpr_free(tag); +} + +PyObject *pygrpc_consume_event(grpc_event event) { + pygrpc_tag *tag; + PyObject *result; + if (event.type == GRPC_QUEUE_TIMEOUT) { + Py_RETURN_NONE; + } + tag = event.tag; + switch (event.type) { + case GRPC_QUEUE_SHUTDOWN: + result = Py_BuildValue("iOOOOO", GRPC_QUEUE_SHUTDOWN, + Py_None, Py_None, Py_None, Py_None, Py_True); + break; + case GRPC_OP_COMPLETE: + if (tag->is_new_call) { + result = Py_BuildValue( + "iOO(ssd)[(iNOOOO)]O", GRPC_OP_COMPLETE, tag->user_tag, tag->call, + tag->request_call_details.method, tag->request_call_details.host, + pygrpc_cast_gpr_timespec_to_double(tag->request_call_details.deadline), + GRPC_OP_RECV_INITIAL_METADATA, + pygrpc_cast_metadata_array_to_pylist(tag->request_metadata), Py_None, + Py_None, Py_None, Py_None, + event.success ? Py_True : Py_False); + } else { + result = Py_BuildValue("iOOONO", GRPC_OP_COMPLETE, tag->user_tag, + tag->call, Py_None, pygrpc_consume_ops(tag->ops, tag->nops), + event.success ? Py_True : Py_False); + } + break; + default: + PyErr_SetString(PyExc_ValueError, + "unknown completion type; could not translate event"); + return NULL; + } + pygrpc_discard_tag(tag); + return result; +} + +int pygrpc_produce_op(PyObject *op, grpc_op *result) { + static const int OP_TUPLE_SIZE = 5; + static const int STATUS_TUPLE_SIZE = 2; + static const int TYPE_INDEX = 0; + static const int INITIAL_METADATA_INDEX = 1; + static const int TRAILING_METADATA_INDEX = 2; + static const int MESSAGE_INDEX = 3; + static const int STATUS_INDEX = 4; + static const int STATUS_CODE_INDEX = 0; + static const int STATUS_DETAILS_INDEX = 1; + grpc_op c_op; + if (!PyTuple_Check(op)) { + PyErr_SetString(PyExc_TypeError, "expected tuple op"); + return 0; + } + if (PyTuple_Size(op) != OP_TUPLE_SIZE) { + char buf[64]; + snprintf(buf, sizeof(buf), "expected tuple op of length %d", OP_TUPLE_SIZE); + PyErr_SetString(PyExc_ValueError, buf); + return 0; + } + int type = PyInt_AsLong(PyTuple_GET_ITEM(op, TYPE_INDEX)); + if (PyErr_Occurred()) { + return 0; + } + Py_ssize_t message_size; + char *message; + char *status_details; + gpr_slice message_slice; + c_op.op = type; + switch (type) { + case GRPC_OP_SEND_INITIAL_METADATA: + if (!pygrpc_cast_pylist_to_send_metadata( + PyTuple_GetItem(op, INITIAL_METADATA_INDEX), + &c_op.data.send_initial_metadata.metadata, + &c_op.data.send_initial_metadata.count)) { + return 0; + } + break; + case GRPC_OP_SEND_MESSAGE: + PyString_AsStringAndSize( + PyTuple_GET_ITEM(op, MESSAGE_INDEX), &message, &message_size); + message_slice = gpr_slice_from_copied_buffer(message, message_size); + c_op.data.send_message = grpc_byte_buffer_create(&message_slice, 1); + gpr_slice_unref(message_slice); + break; + case GRPC_OP_SEND_CLOSE_FROM_CLIENT: + /* Don't need to fill in any other fields. */ + break; + case GRPC_OP_SEND_STATUS_FROM_SERVER: + if (!pygrpc_cast_pylist_to_send_metadata( + PyTuple_GetItem(op, TRAILING_METADATA_INDEX), + &c_op.data.send_status_from_server.trailing_metadata, + &c_op.data.send_status_from_server.trailing_metadata_count)) { + return 0; + } + if (!PyTuple_Check(PyTuple_GET_ITEM(op, STATUS_INDEX))) { + char buf[64]; + snprintf(buf, sizeof(buf), "expected tuple status in op of length %d", + STATUS_TUPLE_SIZE); + PyErr_SetString(PyExc_TypeError, buf); + return 0; + } + c_op.data.send_status_from_server.status = PyInt_AsLong( + PyTuple_GET_ITEM(PyTuple_GET_ITEM(op, STATUS_INDEX), STATUS_CODE_INDEX)); + status_details = PyString_AsString( + PyTuple_GET_ITEM(PyTuple_GET_ITEM(op, STATUS_INDEX), STATUS_DETAILS_INDEX)); + if (PyErr_Occurred()) { + return 0; + } + c_op.data.send_status_from_server.status_details = + gpr_malloc(strlen(status_details) + 1); + strcpy((char *)c_op.data.send_status_from_server.status_details, + status_details); + break; + case GRPC_OP_RECV_INITIAL_METADATA: + c_op.data.recv_initial_metadata = gpr_malloc(sizeof(grpc_metadata_array)); + grpc_metadata_array_init(c_op.data.recv_initial_metadata); + break; + case GRPC_OP_RECV_MESSAGE: + c_op.data.recv_message = gpr_malloc(sizeof(grpc_byte_buffer *)); + break; + case GRPC_OP_RECV_STATUS_ON_CLIENT: + c_op.data.recv_status_on_client.trailing_metadata = + gpr_malloc(sizeof(grpc_metadata_array)); + grpc_metadata_array_init(c_op.data.recv_status_on_client.trailing_metadata); + c_op.data.recv_status_on_client.status = + gpr_malloc(sizeof(grpc_status_code *)); + c_op.data.recv_status_on_client.status_details = + gpr_malloc(sizeof(char *)); + *c_op.data.recv_status_on_client.status_details = NULL; + c_op.data.recv_status_on_client.status_details_capacity = + gpr_malloc(sizeof(size_t)); + *c_op.data.recv_status_on_client.status_details_capacity = 0; + break; + case GRPC_OP_RECV_CLOSE_ON_SERVER: + c_op.data.recv_close_on_server.cancelled = gpr_malloc(sizeof(int)); + break; + default: + return 0; + } + *result = c_op; + return 1; +} + +void pygrpc_discard_op(grpc_op op) { + switch(op.op) { + case GRPC_OP_SEND_INITIAL_METADATA: + gpr_free(op.data.send_initial_metadata.metadata); + break; + case GRPC_OP_SEND_MESSAGE: + grpc_byte_buffer_destroy(op.data.send_message); + break; + case GRPC_OP_SEND_CLOSE_FROM_CLIENT: + /* Don't need to free any fields. */ + break; + case GRPC_OP_SEND_STATUS_FROM_SERVER: + gpr_free(op.data.send_status_from_server.trailing_metadata); + gpr_free((char *)op.data.send_status_from_server.status_details); + break; + case GRPC_OP_RECV_INITIAL_METADATA: + grpc_metadata_array_destroy(op.data.recv_initial_metadata); + gpr_free(op.data.recv_initial_metadata); + break; + case GRPC_OP_RECV_MESSAGE: + grpc_byte_buffer_destroy(*op.data.recv_message); + gpr_free(op.data.recv_message); + break; + case GRPC_OP_RECV_STATUS_ON_CLIENT: + grpc_metadata_array_destroy(op.data.recv_status_on_client.trailing_metadata); + gpr_free(op.data.recv_status_on_client.trailing_metadata); + gpr_free(op.data.recv_status_on_client.status); + gpr_free(*op.data.recv_status_on_client.status_details); + gpr_free(op.data.recv_status_on_client.status_details); + gpr_free(op.data.recv_status_on_client.status_details_capacity); + break; + case GRPC_OP_RECV_CLOSE_ON_SERVER: + gpr_free(op.data.recv_close_on_server.cancelled); + break; + } +} + +PyObject *pygrpc_consume_ops(grpc_op *op, size_t nops) { + static const int TYPE_INDEX = 0; + static const int INITIAL_METADATA_INDEX = 1; + static const int TRAILING_METADATA_INDEX = 2; + static const int MESSAGE_INDEX = 3; + static const int STATUS_INDEX = 4; + static const int CANCELLED_INDEX = 5; + static const int OPRESULT_LENGTH = 6; + PyObject *list; + size_t i; + size_t j; + char *bytes; + size_t bytes_size; + PyObject *results = PyList_New(nops); + if (!results) { + return NULL; + } + for (i = 0; i < nops; ++i) { + PyObject *result = PyTuple_Pack(OPRESULT_LENGTH, Py_None, Py_None, Py_None, + Py_None, Py_None, Py_None); + PyTuple_SetItem(result, TYPE_INDEX, PyInt_FromLong(op[i].op)); + switch(op[i].op) { + case GRPC_OP_RECV_INITIAL_METADATA: + PyTuple_SetItem(result, INITIAL_METADATA_INDEX, + list=PyList_New(op[i].data.recv_initial_metadata->count)); + for (j = 0; j < op[i].data.recv_initial_metadata->count; ++j) { + grpc_metadata md = op[i].data.recv_initial_metadata->metadata[j]; + PyList_SetItem(list, j, Py_BuildValue("ss#", md.key, md.value, + (Py_ssize_t)md.value_length)); + } + break; + case GRPC_OP_RECV_MESSAGE: + if (*op[i].data.recv_message) { + pygrpc_byte_buffer_to_bytes( + *op[i].data.recv_message, &bytes, &bytes_size); + PyTuple_SetItem(result, MESSAGE_INDEX, + PyString_FromStringAndSize(bytes, bytes_size)); + gpr_free(bytes); + } else { + PyTuple_SetItem(result, MESSAGE_INDEX, Py_BuildValue("")); + } + break; + case GRPC_OP_RECV_STATUS_ON_CLIENT: + PyTuple_SetItem( + result, TRAILING_METADATA_INDEX, + list = PyList_New(op[i].data.recv_status_on_client.trailing_metadata->count)); + for (j = 0; j < op[i].data.recv_status_on_client.trailing_metadata->count; ++j) { + grpc_metadata md = + op[i].data.recv_status_on_client.trailing_metadata->metadata[j]; + PyList_SetItem(list, j, Py_BuildValue("ss#", md.key, md.value, + (Py_ssize_t)md.value_length)); + } + PyTuple_SetItem( + result, STATUS_INDEX, Py_BuildValue( + "is", *op[i].data.recv_status_on_client.status, + *op[i].data.recv_status_on_client.status_details)); + break; + case GRPC_OP_RECV_CLOSE_ON_SERVER: + PyTuple_SetItem( + result, CANCELLED_INDEX, + PyBool_FromLong(*op[i].data.recv_close_on_server.cancelled)); + break; + default: + break; + } + pygrpc_discard_op(op[i]); + PyList_SetItem(results, i, result); + } + return results; +} + +double pygrpc_cast_gpr_timespec_to_double(gpr_timespec timespec) { + return timespec.tv_sec + 1e-9*timespec.tv_nsec; +} + +gpr_timespec pygrpc_cast_double_to_gpr_timespec(double seconds) { + gpr_timespec result; + if isinf(seconds) { + result = seconds > 0.0 ? gpr_inf_future : gpr_inf_past; + } else { + result.tv_sec = (time_t)seconds; + result.tv_nsec = ((seconds - result.tv_sec) * 1e9); + } + return result; +} + +int pygrpc_produce_channel_args(PyObject *py_args, grpc_channel_args *c_args) { + size_t num_args = PyList_Size(py_args); + size_t i; + grpc_channel_args args = {num_args, gpr_malloc(sizeof(grpc_arg) * num_args)}; + for (i = 0; i < args.num_args; ++i) { + char *key; + PyObject *value; + if (!PyArg_ParseTuple(PyList_GetItem(py_args, i), "zO", &key, &value)) { + gpr_free(args.args); + args.num_args = 0; + args.args = NULL; + PyErr_SetString(PyExc_TypeError, + "expected a list of 2-tuple of str and str|int|None"); + return 0; + } + args.args[i].key = key; + if (PyInt_Check(value)) { + args.args[i].type = GRPC_ARG_INTEGER; + args.args[i].value.integer = PyInt_AsLong(value); + } else if (PyString_Check(value)) { + args.args[i].type = GRPC_ARG_STRING; + args.args[i].value.string = PyString_AsString(value); + } else if (value == Py_None) { + --args.num_args; + --i; + continue; + } else { + gpr_free(args.args); + args.num_args = 0; + args.args = NULL; + PyErr_SetString(PyExc_TypeError, + "expected a list of 2-tuple of str and str|int|None"); + return 0; + } + } + *c_args = args; + return 1; +} + +void pygrpc_discard_channel_args(grpc_channel_args args) { + gpr_free(args.args); +} + +int pygrpc_cast_pylist_to_send_metadata( + PyObject *pylist, grpc_metadata **metadata, size_t *count) { + size_t i; + Py_ssize_t value_length; + *count = PyList_Size(pylist); + *metadata = gpr_malloc(sizeof(grpc_metadata) * *count); + for (i = 0; i < *count; ++i) { + if (!PyArg_ParseTuple( + PyList_GetItem(pylist, i), "ss#", + &(*metadata)[i].key, &(*metadata)[i].value, &value_length)) { + gpr_free(*metadata); + *count = 0; + *metadata = NULL; + return 0; + } + (*metadata)[i].value_length = value_length; + } + return 1; +} + +PyObject *pygrpc_cast_metadata_array_to_pylist(grpc_metadata_array metadata) { + PyObject *result = PyList_New(metadata.count); + size_t i; + for (i = 0; i < metadata.count; ++i) { + PyList_SetItem( + result, i, Py_BuildValue( + "ss#", metadata.metadata[i].key, metadata.metadata[i].value, + (Py_ssize_t)metadata.metadata[i].value_length)); + if (PyErr_Occurred()) { + Py_DECREF(result); + return NULL; + } + } + return result; +} + +void pygrpc_byte_buffer_to_bytes( + grpc_byte_buffer *buffer, char **result, size_t *result_size) { + grpc_byte_buffer_reader *reader = grpc_byte_buffer_reader_create(buffer); + gpr_slice slice; + char *read_result = NULL; + size_t size = 0; + while (grpc_byte_buffer_reader_next(reader, &slice)) { + read_result = gpr_realloc(read_result, size + GPR_SLICE_LENGTH(slice)); + memcpy(read_result + size, GPR_SLICE_START_PTR(slice), + GPR_SLICE_LENGTH(slice)); + size = size + GPR_SLICE_LENGTH(slice); + gpr_slice_unref(slice); + } + grpc_byte_buffer_reader_destroy(reader); + *result_size = size; + *result = read_result; +} diff --git a/src/python/src/grpc/_adapter/_c_test.py b/src/python/src/grpc/_adapter/_c_test.py index b06215f0e5..133b124072 100644 --- a/src/python/src/grpc/_adapter/_c_test.py +++ b/src/python/src/grpc/_adapter/_c_test.py @@ -27,192 +27,40 @@ # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -"""Tests for _adapter._c.""" - -import threading import time import unittest from grpc._adapter import _c -from grpc._adapter import _datatypes - -_TIMEOUT = 3 -_FUTURE = time.time() + 60 * 60 * 24 -_IDEMPOTENCE_DEMONSTRATION = 7 - - -class _CTest(unittest.TestCase): - - def testUpAndDown(self): - _c.init() - _c.shut_down() - - def testCompletionQueue(self): - _c.init() - - completion_queue = _c.CompletionQueue() - event = completion_queue.get(0) - self.assertIsNone(event) - event = completion_queue.get(time.time()) - self.assertIsNone(event) - event = completion_queue.get(time.time() + _TIMEOUT) - self.assertIsNone(event) - completion_queue.stop() - for _ in range(_IDEMPOTENCE_DEMONSTRATION): - event = completion_queue.get(time.time() + _TIMEOUT) - self.assertIs(event.kind, _datatypes.Event.Kind.STOP) - - del completion_queue - del event +from grpc._adapter import _types - _c.shut_down() - def testChannel(self): - _c.init() - - channel = _c.Channel( - 'test host:12345', None, server_host_override='ignored') - del channel - - _c.shut_down() - - def testCall(self): - method = 'test method' - host = 'test host' - - _c.init() - - channel = _c.Channel('%s:%d' % (host, 12345), None) - completion_queue = _c.CompletionQueue() - call = _c.Call(channel, completion_queue, method, host, - time.time() + _TIMEOUT) - del call - del completion_queue - del channel +class CTypeSmokeTest(unittest.TestCase): - _c.shut_down() + def testClientCredentialsUpDown(self): + credentials = _c.ClientCredentials.fake_transport_security() + del credentials - def testServer(self): - _c.init() + def testServerCredentialsUpDown(self): + credentials = _c.ServerCredentials.fake_transport_security() + del credentials + def testCompletionQueueUpDown(self): completion_queue = _c.CompletionQueue() - server = _c.Server(completion_queue) - server.add_http2_addr('[::]:0') - server.start() - server.stop() - completion_queue.stop() - del server del completion_queue - service_tag = object() + def testServerUpDown(self): completion_queue = _c.CompletionQueue() - server = _c.Server(completion_queue) - server.add_http2_addr('[::]:0') - server.start() - server.service(service_tag) - server.stop() - completion_queue.stop() - event = completion_queue.get(time.time() + _TIMEOUT) - self.assertIs(event.kind, _datatypes.Event.Kind.SERVICE_ACCEPTED) - self.assertIs(event.tag, service_tag) - self.assertIsNone(event.service_acceptance) - for _ in range(_IDEMPOTENCE_DEMONSTRATION): - event = completion_queue.get(time.time() + _TIMEOUT) - self.assertIs(event.kind, _datatypes.Event.Kind.STOP) - del server + serv = _c.Server(completion_queue, []) + del serv del completion_queue - completion_queue = _c.CompletionQueue() - server = _c.Server(completion_queue) - server.add_http2_addr('[::]:0') - server.start() - thread = threading.Thread(target=completion_queue.get, args=(_FUTURE,)) - thread.start() - time.sleep(1) - server.stop() - completion_queue.stop() - for _ in range(_IDEMPOTENCE_DEMONSTRATION): - event = completion_queue.get(time.time() + _TIMEOUT) - self.assertIs(event.kind, _datatypes.Event.Kind.STOP) - thread.join() - del server - del completion_queue - - _c.shut_down() - - def test_client_credentials(self): - root_certificates = b'Trust starts here. Really.' - private_key = b'This is a really bad private key, yo.' - certificate_chain = b'Trust me! Do I not look trustworty?' - - _c.init() - - client_credentials = _c.ClientCredentials( - None, None, None) - self.assertIsNotNone(client_credentials) - client_credentials = _c.ClientCredentials( - root_certificates, None, None) - self.assertIsNotNone(client_credentials) - client_credentials = _c.ClientCredentials( - None, private_key, certificate_chain) - self.assertIsNotNone(client_credentials) - client_credentials = _c.ClientCredentials( - root_certificates, private_key, certificate_chain) - self.assertIsNotNone(client_credentials) - del client_credentials - - _c.shut_down() - - def test_server_credentials(self): - root_certificates = b'Trust starts here. Really.' - first_private_key = b'This is a really bad private key, yo.' - first_certificate_chain = b'Trust me! Do I not look trustworty?' - second_private_key = b'This is another bad private key, yo.' - second_certificate_chain = b'Look into my eyes; you can totes trust me.' - - _c.init() - - server_credentials = _c.ServerCredentials( - None, ((first_private_key, first_certificate_chain),)) - del server_credentials - server_credentials = _c.ServerCredentials( - root_certificates, ((first_private_key, first_certificate_chain),)) - del server_credentials - server_credentials = _c.ServerCredentials( - root_certificates, - ((first_private_key, first_certificate_chain), - (second_private_key, second_certificate_chain),)) - del server_credentials - with self.assertRaises(TypeError): - _c.ServerCredentials( - root_certificates, first_private_key, second_certificate_chain) - - _c.shut_down() - - @unittest.skip('TODO(nathaniel): find and use real-enough test credentials') - def test_secure_server(self): - _c.init() - - server_credentials = _c.ServerCredentials( - 'root certificate', (('private key', 'certificate chain'),)) - - completion_queue = _c.CompletionQueue() - server = _c.Server(completion_queue, server_credentials) - server.add_http2_addr('[::]:0') - server.start() - thread = threading.Thread(target=completion_queue.get, args=(_FUTURE,)) - thread.start() - time.sleep(1) - server.stop() - completion_queue.stop() - for _ in range(_IDEMPOTENCE_DEMONSTRATION): - event = completion_queue.get(time.time() + _TIMEOUT) - self.assertIs(event.kind, _datatypes.Event.Kind.STOP) - thread.join() - del server - del completion_queue + def testChannelUpDown(self): + channel = _c.Channel('[::]:0', []) + del channel - _c.shut_down() + def testSecureChannelUpDown(self): + channel = _c.Channel('[::]:0', [], _c.ClientCredentials.fake_transport_security()) + del channel if __name__ == '__main__': diff --git a/src/python/src/grpc/_adapter/_call.c b/src/python/src/grpc/_adapter/_call.c deleted file mode 100644 index d833268fc9..0000000000 --- a/src/python/src/grpc/_adapter/_call.c +++ /dev/null @@ -1,438 +0,0 @@ -/* - * - * Copyright 2015, Google Inc. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are - * met: - * - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * Redistributions in binary form must reproduce the above - * copyright notice, this list of conditions and the following disclaimer - * in the documentation and/or other materials provided with the - * distribution. - * * Neither the name of Google Inc. nor the names of its - * contributors may be used to endorse or promote products derived from - * this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - */ - -#include "grpc/_adapter/_call.h" - -#include <math.h> -#include <Python.h> -#include <grpc/grpc.h> -#include <grpc/support/alloc.h> - -#include "grpc/_adapter/_channel.h" -#include "grpc/_adapter/_completion_queue.h" -#include "grpc/_adapter/_error.h" -#include "grpc/_adapter/_tag.h" - -static PyObject *pygrpc_call_new(PyTypeObject *type, PyObject *args, PyObject *kwds) { - Call *self = (Call *)type->tp_alloc(type, 0); - Channel *channel; - CompletionQueue *completion_queue; - const char *method; - const char *host; - double deadline; - static char *kwlist[] = {"channel", "completion_queue", - "method", "host", "deadline", NULL}; - - if (!PyArg_ParseTupleAndKeywords( - args, kwds, "O!O!ssd:Call", kwlist, - &pygrpc_ChannelType, &channel, - &pygrpc_CompletionQueueType, &completion_queue, - &method, &host, &deadline)) { - return NULL; - } - - /* TODO(nathaniel): Hoist the gpr_timespec <-> PyFloat arithmetic into its own - * function with its own test coverage. - */ - self->c_call = grpc_channel_create_call( - channel->c_channel, completion_queue->c_completion_queue, method, host, - gpr_time_from_nanos(deadline * GPR_NS_PER_SEC)); - self->completion_queue = completion_queue; - Py_INCREF(self->completion_queue); - self->channel = channel; - Py_INCREF(self->channel); - grpc_call_details_init(&self->call_details); - grpc_metadata_array_init(&self->recv_metadata); - grpc_metadata_array_init(&self->recv_trailing_metadata); - self->send_metadata = NULL; - self->send_metadata_count = 0; - self->send_trailing_metadata = NULL; - self->send_trailing_metadata_count = 0; - self->send_message = NULL; - self->recv_message = NULL; - self->adding_to_trailing = 0; - - return (PyObject *)self; -} - -static void pygrpc_call_dealloc(Call *self) { - if (self->c_call != NULL) { - grpc_call_destroy(self->c_call); - } - Py_XDECREF(self->completion_queue); - Py_XDECREF(self->channel); - Py_XDECREF(self->server); - grpc_call_details_destroy(&self->call_details); - grpc_metadata_array_destroy(&self->recv_metadata); - grpc_metadata_array_destroy(&self->recv_trailing_metadata); - if (self->send_message) { - grpc_byte_buffer_destroy(self->send_message); - } - if (self->recv_message) { - grpc_byte_buffer_destroy(self->recv_message); - } - gpr_free(self->status_details); - gpr_free(self->send_metadata); - gpr_free(self->send_trailing_metadata); - self->ob_type->tp_free((PyObject *)self); -} - -static const PyObject *pygrpc_call_invoke(Call *self, PyObject *args) { - PyObject *completion_queue; - PyObject *metadata_tag; - PyObject *finish_tag; - grpc_call_error call_error; - const PyObject *result; - pygrpc_tag *c_init_metadata_tag; - pygrpc_tag *c_metadata_tag; - pygrpc_tag *c_finish_tag; - grpc_op send_initial_metadata; - grpc_op recv_initial_metadata; - grpc_op recv_status_on_client; - - if (!(PyArg_ParseTuple(args, "O!OO:invoke", &pygrpc_CompletionQueueType, - &completion_queue, &metadata_tag, &finish_tag))) { - return NULL; - } - send_initial_metadata.op = GRPC_OP_SEND_INITIAL_METADATA; - send_initial_metadata.data.send_initial_metadata.metadata = self->send_metadata; - send_initial_metadata.data.send_initial_metadata.count = self->send_metadata_count; - recv_initial_metadata.op = GRPC_OP_RECV_INITIAL_METADATA; - recv_initial_metadata.data.recv_initial_metadata = &self->recv_metadata; - recv_status_on_client.op = GRPC_OP_RECV_STATUS_ON_CLIENT; - recv_status_on_client.data.recv_status_on_client.trailing_metadata = &self->recv_trailing_metadata; - recv_status_on_client.data.recv_status_on_client.status = &self->status; - recv_status_on_client.data.recv_status_on_client.status_details = &self->status_details; - recv_status_on_client.data.recv_status_on_client.status_details_capacity = &self->status_details_capacity; - c_init_metadata_tag = pygrpc_tag_new(PYGRPC_INITIAL_METADATA, NULL, self); - c_metadata_tag = pygrpc_tag_new(PYGRPC_CLIENT_METADATA_READ, metadata_tag, self); - c_finish_tag = pygrpc_tag_new(PYGRPC_FINISHED_CLIENT, finish_tag, self); - - call_error = grpc_call_start_batch(self->c_call, &send_initial_metadata, 1, c_init_metadata_tag); - result = pygrpc_translate_call_error(call_error); - if (result == NULL) { - pygrpc_tag_destroy(c_init_metadata_tag); - pygrpc_tag_destroy(c_metadata_tag); - pygrpc_tag_destroy(c_finish_tag); - return result; - } - call_error = grpc_call_start_batch(self->c_call, &recv_initial_metadata, 1, c_metadata_tag); - result = pygrpc_translate_call_error(call_error); - if (result == NULL) { - pygrpc_tag_destroy(c_metadata_tag); - pygrpc_tag_destroy(c_finish_tag); - return result; - } - call_error = grpc_call_start_batch(self->c_call, &recv_status_on_client, 1, c_finish_tag); - result = pygrpc_translate_call_error(call_error); - if (result == NULL) { - pygrpc_tag_destroy(c_finish_tag); - return result; - } - - return result; -} - -static const PyObject *pygrpc_call_write(Call *self, PyObject *args) { - const char *bytes; - int length; - PyObject *tag; - gpr_slice slice; - grpc_byte_buffer *byte_buffer; - grpc_call_error call_error; - const PyObject *result; - pygrpc_tag *c_tag; - grpc_op op; - - if (!(PyArg_ParseTuple(args, "s#O:write", &bytes, &length, &tag))) { - return NULL; - } - c_tag = pygrpc_tag_new(PYGRPC_WRITE_ACCEPTED, tag, self); - - slice = gpr_slice_from_copied_buffer(bytes, length); - byte_buffer = grpc_byte_buffer_create(&slice, 1); - gpr_slice_unref(slice); - - if (self->send_message) { - grpc_byte_buffer_destroy(self->send_message); - } - self->send_message = byte_buffer; - - op.op = GRPC_OP_SEND_MESSAGE; - op.data.send_message = self->send_message; - - call_error = grpc_call_start_batch(self->c_call, &op, 1, c_tag); - - result = pygrpc_translate_call_error(call_error); - if (result == NULL) { - pygrpc_tag_destroy(c_tag); - } - return result; -} - -static const PyObject *pygrpc_call_complete(Call *self, PyObject *tag) { - grpc_call_error call_error; - const PyObject *result; - pygrpc_tag *c_tag = pygrpc_tag_new(PYGRPC_FINISH_ACCEPTED, tag, self); - grpc_op op; - - op.op = GRPC_OP_SEND_CLOSE_FROM_CLIENT; - - call_error = grpc_call_start_batch(self->c_call, &op, 1, c_tag); - - result = pygrpc_translate_call_error(call_error); - if (result == NULL) { - pygrpc_tag_destroy(c_tag); - } - return result; -} - -static const PyObject *pygrpc_call_accept(Call *self, PyObject *args) { - PyObject *completion_queue; - PyObject *tag; - grpc_call_error call_error; - const PyObject *result; - pygrpc_tag *c_tag; - grpc_op op; - - if (!(PyArg_ParseTuple(args, "O!O:accept", &pygrpc_CompletionQueueType, - &completion_queue, &tag))) { - return NULL; - } - - op.op = GRPC_OP_RECV_CLOSE_ON_SERVER; - op.data.recv_close_on_server.cancelled = &self->cancelled; - c_tag = pygrpc_tag_new(PYGRPC_FINISHED_SERVER, tag, self); - - call_error = grpc_call_start_batch(self->c_call, &op, 1, c_tag); - result = pygrpc_translate_call_error(call_error); - if (result == NULL) { - pygrpc_tag_destroy(c_tag); - } - return result; -} - -static const PyObject *pygrpc_call_add_metadata(Call *self, PyObject *args) { - const char* key = NULL; - const char* value = NULL; - int value_length = 0; - grpc_metadata metadata; - if (!PyArg_ParseTuple(args, "ss#", &key, &value, &value_length)) { - return NULL; - } - metadata.key = key; - metadata.value = value; - metadata.value_length = value_length; - if (self->adding_to_trailing) { - self->send_trailing_metadata = gpr_realloc(self->send_trailing_metadata, (self->send_trailing_metadata_count + 1) * sizeof(grpc_metadata)); - self->send_trailing_metadata[self->send_trailing_metadata_count] = metadata; - self->send_trailing_metadata_count = self->send_trailing_metadata_count + 1; - } else { - self->send_metadata = gpr_realloc(self->send_metadata, (self->send_metadata_count + 1) * sizeof(grpc_metadata)); - self->send_metadata[self->send_metadata_count] = metadata; - self->send_metadata_count = self->send_metadata_count + 1; - } - return pygrpc_translate_call_error(GRPC_CALL_OK); -} - -static const PyObject *pygrpc_call_premetadata(Call *self) { - grpc_op op; - grpc_call_error call_error; - const PyObject *result; - pygrpc_tag *c_tag = pygrpc_tag_new(PYGRPC_INITIAL_METADATA, NULL, self); - op.op = GRPC_OP_SEND_INITIAL_METADATA; - op.data.send_initial_metadata.metadata = self->send_metadata; - op.data.send_initial_metadata.count = self->send_metadata_count; - self->adding_to_trailing = 1; - - call_error = grpc_call_start_batch(self->c_call, &op, 1, c_tag); - result = pygrpc_translate_call_error(call_error); - if (result == NULL) { - pygrpc_tag_destroy(c_tag); - } - return result; -} - -static const PyObject *pygrpc_call_read(Call *self, PyObject *tag) { - grpc_op op; - grpc_call_error call_error; - const PyObject *result; - pygrpc_tag *c_tag = pygrpc_tag_new(PYGRPC_READ, tag, self); - - op.op = GRPC_OP_RECV_MESSAGE; - if (self->recv_message) { - grpc_byte_buffer_destroy(self->recv_message); - self->recv_message = NULL; - } - op.data.recv_message = &self->recv_message; - call_error = grpc_call_start_batch(self->c_call, &op, 1, c_tag); - result = pygrpc_translate_call_error(call_error); - if (result == NULL) { - pygrpc_tag_destroy(c_tag); - } - return result; -} - -static const PyObject *pygrpc_call_status(Call *self, PyObject *args) { - PyObject *status; - PyObject *code; - PyObject *details; - PyObject *tag; - grpc_status_code c_code; - char *c_message; - grpc_call_error call_error; - const PyObject *result; - pygrpc_tag *c_tag; - grpc_op op; - - if (!(PyArg_ParseTuple(args, "OO:status", &status, &tag))) { - return NULL; - } - c_tag = pygrpc_tag_new(PYGRPC_FINISH_ACCEPTED, tag, self); - - code = PyObject_GetAttrString(status, "code"); - if (code == NULL) { - return NULL; - } - details = PyObject_GetAttrString(status, "details"); - if (details == NULL) { - Py_DECREF(code); - return NULL; - } - c_code = PyInt_AsLong(code); - Py_DECREF(code); - if (c_code == -1 && PyErr_Occurred()) { - Py_DECREF(details); - return NULL; - } - c_message = PyBytes_AsString(details); - Py_DECREF(details); - if (c_message == NULL) { - return NULL; - } - if (self->status_details) { - gpr_free(self->status_details); - } - self->status_details = gpr_malloc(strlen(c_message)+1); - strcpy(self->status_details, c_message); - op.op = GRPC_OP_SEND_STATUS_FROM_SERVER; - op.data.send_status_from_server.trailing_metadata_count = self->send_trailing_metadata_count; - op.data.send_status_from_server.trailing_metadata = self->send_trailing_metadata; - op.data.send_status_from_server.status = c_code; - op.data.send_status_from_server.status_details = self->status_details; - - call_error = grpc_call_start_batch(self->c_call, &op, 1, c_tag); - result = pygrpc_translate_call_error(call_error); - if (result == NULL) { - pygrpc_tag_destroy(c_tag); - } - return result; -} - -static const PyObject *pygrpc_call_cancel(Call *self) { - return pygrpc_translate_call_error(grpc_call_cancel(self->c_call)); -} - -static PyMethodDef methods[] = { - {"invoke", (PyCFunction)pygrpc_call_invoke, METH_VARARGS, - "Invoke this call."}, - {"write", (PyCFunction)pygrpc_call_write, METH_VARARGS, - "Write bytes to this call."}, - {"complete", (PyCFunction)pygrpc_call_complete, METH_O, - "Complete writes to this call."}, - {"accept", (PyCFunction)pygrpc_call_accept, METH_VARARGS, "Accept an RPC."}, - {"add_metadata", (PyCFunction)pygrpc_call_add_metadata, METH_VARARGS, - "Add metadata to the call. May not be called after invoke on the client " - "side. On the server side: when called before premetadata it provides " - "'leading' metadata, when called after premetadata but before status it " - "provides 'trailing metadata'; may not be called after status."}, - {"premetadata", (PyCFunction)pygrpc_call_premetadata, METH_VARARGS, - "Indicate the end of leading metadata in the response."}, - {"read", (PyCFunction)pygrpc_call_read, METH_O, - "Read bytes from this call."}, - {"status", (PyCFunction)pygrpc_call_status, METH_VARARGS, - "Report this call's status."}, - {"cancel", (PyCFunction)pygrpc_call_cancel, METH_NOARGS, - "Cancel this call."}, - {NULL}}; - -PyTypeObject pygrpc_CallType = { - PyVarObject_HEAD_INIT(NULL, 0) - "_grpc.Call", /*tp_name*/ - sizeof(Call), /*tp_basicsize*/ - 0, /*tp_itemsize*/ - (destructor)pygrpc_call_dealloc, /*tp_dealloc*/ - 0, /*tp_print*/ - 0, /*tp_getattr*/ - 0, /*tp_setattr*/ - 0, /*tp_compare*/ - 0, /*tp_repr*/ - 0, /*tp_as_number*/ - 0, /*tp_as_sequence*/ - 0, /*tp_as_mapping*/ - 0, /*tp_hash */ - 0, /*tp_call*/ - 0, /*tp_str*/ - 0, /*tp_getattro*/ - 0, /*tp_setattro*/ - 0, /*tp_as_buffer*/ - Py_TPFLAGS_DEFAULT, /*tp_flags*/ - "Wrapping of grpc_call.", /* tp_doc */ - 0, /* tp_traverse */ - 0, /* tp_clear */ - 0, /* tp_richcompare */ - 0, /* tp_weaklistoffset */ - 0, /* tp_iter */ - 0, /* tp_iternext */ - methods, /* tp_methods */ - 0, /* tp_members */ - 0, /* tp_getset */ - 0, /* tp_base */ - 0, /* tp_dict */ - 0, /* tp_descr_get */ - 0, /* tp_descr_set */ - 0, /* tp_dictoffset */ - 0, /* tp_init */ - 0, /* tp_alloc */ - pygrpc_call_new, /* tp_new */ -}; - -int pygrpc_add_call(PyObject *module) { - if (PyType_Ready(&pygrpc_CallType) < 0) { - return -1; - } - if (PyModule_AddObject(module, "Call", (PyObject *)&pygrpc_CallType) == -1) { - return -1; - } - return 0; -} diff --git a/src/python/src/grpc/_adapter/_call.h b/src/python/src/grpc/_adapter/_call.h deleted file mode 100644 index b4cf9d7ec9..0000000000 --- a/src/python/src/grpc/_adapter/_call.h +++ /dev/null @@ -1,77 +0,0 @@ -/* - * - * Copyright 2015, Google Inc. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are - * met: - * - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * Redistributions in binary form must reproduce the above - * copyright notice, this list of conditions and the following disclaimer - * in the documentation and/or other materials provided with the - * distribution. - * * Neither the name of Google Inc. nor the names of its - * contributors may be used to endorse or promote products derived from - * this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - */ - -#ifndef _ADAPTER__CALL_H_ -#define _ADAPTER__CALL_H_ - -#include <Python.h> -#include <grpc/grpc.h> - -#include "grpc/_adapter/_completion_queue.h" -#include "grpc/_adapter/_channel.h" -#include "grpc/_adapter/_server.h" - -typedef struct { - PyObject_HEAD - - CompletionQueue *completion_queue; - Channel *channel; - Server *server; - - /* Legacy state. */ - grpc_call_details call_details; - grpc_metadata_array recv_metadata; - grpc_metadata_array recv_trailing_metadata; - grpc_metadata *send_metadata; - size_t send_metadata_count; - grpc_metadata *send_trailing_metadata; - size_t send_trailing_metadata_count; - int adding_to_trailing; - - grpc_byte_buffer *send_message; - grpc_byte_buffer *recv_message; - - grpc_status_code status; - char *status_details; - size_t status_details_capacity; - - int cancelled; - - grpc_call *c_call; -} Call; - -extern PyTypeObject pygrpc_CallType; - -int pygrpc_add_call(PyObject *module); - -#endif /* _ADAPTER__CALL_H_ */ diff --git a/src/python/src/grpc/_adapter/_channel.c b/src/python/src/grpc/_adapter/_channel.c deleted file mode 100644 index 6be8f1c364..0000000000 --- a/src/python/src/grpc/_adapter/_channel.c +++ /dev/null @@ -1,135 +0,0 @@ -/* - * - * Copyright 2015, Google Inc. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are - * met: - * - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * Redistributions in binary form must reproduce the above - * copyright notice, this list of conditions and the following disclaimer - * in the documentation and/or other materials provided with the - * distribution. - * * Neither the name of Google Inc. nor the names of its - * contributors may be used to endorse or promote products derived from - * this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - */ - -#include "grpc/_adapter/_channel.h" - -#include <Python.h> -#include <grpc/grpc.h> -#include <grpc/grpc_security.h> - -#include "grpc/_adapter/_client_credentials.h" - -static int pygrpc_channel_init(Channel *self, PyObject *args, PyObject *kwds) { - const char *hostport; - PyObject *client_credentials; - char *server_host_override = NULL; - static char *kwlist[] = {"hostport", "client_credentials", - "server_host_override", NULL}; - grpc_arg server_host_override_arg; - grpc_channel_args channel_args; - - if (!(PyArg_ParseTupleAndKeywords(args, kwds, "sO|z:Channel", kwlist, - &hostport, &client_credentials, - &server_host_override))) { - return -1; - } - if (client_credentials == Py_None) { - self->c_channel = grpc_channel_create(hostport, NULL); - return 0; - } else { - if (server_host_override == NULL) { - self->c_channel = grpc_secure_channel_create( - ((ClientCredentials *)client_credentials)->c_client_credentials, - hostport, NULL); - } else { - server_host_override_arg.type = GRPC_ARG_STRING; - server_host_override_arg.key = GRPC_SSL_TARGET_NAME_OVERRIDE_ARG; - server_host_override_arg.value.string = server_host_override; - channel_args.num_args = 1; - channel_args.args = &server_host_override_arg; - self->c_channel = grpc_secure_channel_create( - ((ClientCredentials *)client_credentials)->c_client_credentials, - hostport, &channel_args); - } - return 0; - } -} - -static void pygrpc_channel_dealloc(Channel *self) { - if (self->c_channel != NULL) { - grpc_channel_destroy(self->c_channel); - } - self->ob_type->tp_free((PyObject *)self); -} - -PyTypeObject pygrpc_ChannelType = { - PyVarObject_HEAD_INIT(NULL, 0) - "_grpc.Channel", /*tp_name*/ - sizeof(Channel), /*tp_basicsize*/ - 0, /*tp_itemsize*/ - (destructor)pygrpc_channel_dealloc, /*tp_dealloc*/ - 0, /*tp_print*/ - 0, /*tp_getattr*/ - 0, /*tp_setattr*/ - 0, /*tp_compare*/ - 0, /*tp_repr*/ - 0, /*tp_as_number*/ - 0, /*tp_as_sequence*/ - 0, /*tp_as_mapping*/ - 0, /*tp_hash */ - 0, /*tp_call*/ - 0, /*tp_str*/ - 0, /*tp_getattro*/ - 0, /*tp_setattro*/ - 0, /*tp_as_buffer*/ - Py_TPFLAGS_DEFAULT, /*tp_flags*/ - "Wrapping of grpc_channel.", /* tp_doc */ - 0, /* tp_traverse */ - 0, /* tp_clear */ - 0, /* tp_richcompare */ - 0, /* tp_weaklistoffset */ - 0, /* tp_iter */ - 0, /* tp_iternext */ - 0, /* tp_methods */ - 0, /* tp_members */ - 0, /* tp_getset */ - 0, /* tp_base */ - 0, /* tp_dict */ - 0, /* tp_descr_get */ - 0, /* tp_descr_set */ - 0, /* tp_dictoffset */ - (initproc)pygrpc_channel_init, /* tp_init */ - 0, /* tp_alloc */ - PyType_GenericNew, /* tp_new */ -}; - -int pygrpc_add_channel(PyObject *module) { - if (PyType_Ready(&pygrpc_ChannelType) < 0) { - return -1; - } - if (PyModule_AddObject(module, "Channel", (PyObject *)&pygrpc_ChannelType) == - -1) { - return -1; - } - return 0; -} diff --git a/src/python/src/grpc/_adapter/_channel.h b/src/python/src/grpc/_adapter/_channel.h deleted file mode 100644 index 65894939a2..0000000000 --- a/src/python/src/grpc/_adapter/_channel.h +++ /dev/null @@ -1,49 +0,0 @@ -/* - * - * Copyright 2015, Google Inc. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are - * met: - * - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * Redistributions in binary form must reproduce the above - * copyright notice, this list of conditions and the following disclaimer - * in the documentation and/or other materials provided with the - * distribution. - * * Neither the name of Google Inc. nor the names of its - * contributors may be used to endorse or promote products derived from - * this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - */ - -#ifndef _ADAPTER__CHANNEL_H_ -#define _ADAPTER__CHANNEL_H_ - -#include <Python.h> -#include <grpc/grpc.h> - -typedef struct { - PyObject_HEAD - grpc_channel *c_channel; -} Channel; - -extern PyTypeObject pygrpc_ChannelType; - -int pygrpc_add_channel(PyObject *module); - -#endif /* _ADAPTER__CHANNEL_H_ */ diff --git a/src/python/src/grpc/_adapter/_client_credentials.c b/src/python/src/grpc/_adapter/_client_credentials.c deleted file mode 100644 index e8ccff8d17..0000000000 --- a/src/python/src/grpc/_adapter/_client_credentials.c +++ /dev/null @@ -1,121 +0,0 @@ -/* - * - * Copyright 2015, Google Inc. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are - * met: - * - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * Redistributions in binary form must reproduce the above - * copyright notice, this list of conditions and the following disclaimer - * in the documentation and/or other materials provided with the - * distribution. - * * Neither the name of Google Inc. nor the names of its - * contributors may be used to endorse or promote products derived from - * this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - */ - -#include "grpc/_adapter/_client_credentials.h" - -#include <Python.h> -#include <grpc/grpc_security.h> -#include <grpc/support/alloc.h> - -static int pygrpc_client_credentials_init(ClientCredentials *self, - PyObject *args, PyObject *kwds) { - char *root_certificates; - grpc_ssl_pem_key_cert_pair key_certificate_pair; - static char *kwlist[] = {"root_certificates", "private_key", - "certificate_chain", NULL}; - - if (!PyArg_ParseTupleAndKeywords(args, kwds, "zzz:ClientCredentials", kwlist, - &root_certificates, - &key_certificate_pair.private_key, - &key_certificate_pair.cert_chain)) { - return -1; - } - - if (key_certificate_pair.private_key != NULL && key_certificate_pair.cert_chain != NULL) { - self->c_client_credentials = - grpc_ssl_credentials_create(root_certificates, &key_certificate_pair); - } else { - self->c_client_credentials = - grpc_ssl_credentials_create(root_certificates, NULL); - } - return 0; -} - -static void pygrpc_client_credentials_dealloc(ClientCredentials *self) { - if (self->c_client_credentials != NULL) { - grpc_credentials_release(self->c_client_credentials); - } - self->ob_type->tp_free((PyObject *)self); -} - -PyTypeObject pygrpc_ClientCredentialsType = { - PyVarObject_HEAD_INIT(NULL, 0) - "_grpc.ClientCredencials", /*tp_name*/ - sizeof(ClientCredentials), /*tp_basicsize*/ - 0, /*tp_itemsize*/ - (destructor)pygrpc_client_credentials_dealloc, /*tp_dealloc*/ - 0, /*tp_print*/ - 0, /*tp_getattr*/ - 0, /*tp_setattr*/ - 0, /*tp_compare*/ - 0, /*tp_repr*/ - 0, /*tp_as_number*/ - 0, /*tp_as_sequence*/ - 0, /*tp_as_mapping*/ - 0, /*tp_hash */ - 0, /*tp_call*/ - 0, /*tp_str*/ - 0, /*tp_getattro*/ - 0, /*tp_setattro*/ - 0, /*tp_as_buffer*/ - Py_TPFLAGS_DEFAULT, /*tp_flags*/ - "Wrapping of grpc_credentials.", /* tp_doc */ - 0, /* tp_traverse */ - 0, /* tp_clear */ - 0, /* tp_richcompare */ - 0, /* tp_weaklistoffset */ - 0, /* tp_iter */ - 0, /* tp_iternext */ - 0, /* tp_methods */ - 0, /* tp_members */ - 0, /* tp_getset */ - 0, /* tp_base */ - 0, /* tp_dict */ - 0, /* tp_descr_get */ - 0, /* tp_descr_set */ - 0, /* tp_dictoffset */ - (initproc)pygrpc_client_credentials_init, /* tp_init */ - 0, /* tp_alloc */ - PyType_GenericNew, /* tp_new */ -}; - -int pygrpc_add_client_credentials(PyObject *module) { - if (PyType_Ready(&pygrpc_ClientCredentialsType) < 0) { - return -1; - } - if (PyModule_AddObject(module, "ClientCredentials", - (PyObject *)&pygrpc_ClientCredentialsType) == -1) { - return -1; - } - return 0; -} diff --git a/src/python/src/grpc/_adapter/_client_credentials.h b/src/python/src/grpc/_adapter/_client_credentials.h deleted file mode 100644 index fe04016d20..0000000000 --- a/src/python/src/grpc/_adapter/_client_credentials.h +++ /dev/null @@ -1,49 +0,0 @@ -/* - * - * Copyright 2015, Google Inc. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are - * met: - * - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * Redistributions in binary form must reproduce the above - * copyright notice, this list of conditions and the following disclaimer - * in the documentation and/or other materials provided with the - * distribution. - * * Neither the name of Google Inc. nor the names of its - * contributors may be used to endorse or promote products derived from - * this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - */ - -#ifndef _ADAPTER__CLIENT_CREDENTIALS_H_ -#define _ADAPTER__CLIENT_CREDENTIALS_H_ - -#include <Python.h> -#include <grpc/grpc_security.h> - -typedef struct { - PyObject_HEAD - grpc_credentials *c_client_credentials; -} ClientCredentials; - -extern PyTypeObject pygrpc_ClientCredentialsType; - -int pygrpc_add_client_credentials(PyObject *module); - -#endif /* _ADAPTER__CLIENT_CREDENTIALS_H_ */ diff --git a/src/python/src/grpc/_adapter/_completion_queue.c b/src/python/src/grpc/_adapter/_completion_queue.c deleted file mode 100644 index 97828e67ad..0000000000 --- a/src/python/src/grpc/_adapter/_completion_queue.c +++ /dev/null @@ -1,653 +0,0 @@ -/* - * - * Copyright 2015, Google Inc. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are - * met: - * - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * Redistributions in binary form must reproduce the above - * copyright notice, this list of conditions and the following disclaimer - * in the documentation and/or other materials provided with the - * distribution. - * * Neither the name of Google Inc. nor the names of its - * contributors may be used to endorse or promote products derived from - * this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - */ - -#include "grpc/_adapter/_completion_queue.h" - -#include <Python.h> -#include <grpc/grpc.h> -#include <grpc/support/alloc.h> - -#include "grpc/_adapter/_call.h" -#include "grpc/_adapter/_tag.h" - -static PyObject *status_class; -static PyObject *service_acceptance_class; -static PyObject *event_class; - -static PyObject *ok_status_code; -static PyObject *cancelled_status_code; -static PyObject *unknown_status_code; -static PyObject *invalid_argument_status_code; -static PyObject *expired_status_code; -static PyObject *not_found_status_code; -static PyObject *already_exists_status_code; -static PyObject *permission_denied_status_code; -static PyObject *unauthenticated_status_code; -static PyObject *resource_exhausted_status_code; -static PyObject *failed_precondition_status_code; -static PyObject *aborted_status_code; -static PyObject *out_of_range_status_code; -static PyObject *unimplemented_status_code; -static PyObject *internal_error_status_code; -static PyObject *unavailable_status_code; -static PyObject *data_loss_status_code; - -static PyObject *stop_event_kind; -static PyObject *write_event_kind; -static PyObject *complete_event_kind; -static PyObject *service_event_kind; -static PyObject *read_event_kind; -static PyObject *metadata_event_kind; -static PyObject *finish_event_kind; - -static PyObject *pygrpc_as_py_time(gpr_timespec *timespec) { - return PyFloat_FromDouble( - timespec->tv_sec + ((double)timespec->tv_nsec) / 1.0E9); -} - -static PyObject *pygrpc_status_code(grpc_status_code c_status_code) { - switch (c_status_code) { - case GRPC_STATUS_OK: - return ok_status_code; - case GRPC_STATUS_CANCELLED: - return cancelled_status_code; - case GRPC_STATUS_UNKNOWN: - return unknown_status_code; - case GRPC_STATUS_INVALID_ARGUMENT: - return invalid_argument_status_code; - case GRPC_STATUS_DEADLINE_EXCEEDED: - return expired_status_code; - case GRPC_STATUS_NOT_FOUND: - return not_found_status_code; - case GRPC_STATUS_ALREADY_EXISTS: - return already_exists_status_code; - case GRPC_STATUS_PERMISSION_DENIED: - return permission_denied_status_code; - case GRPC_STATUS_UNAUTHENTICATED: - return unauthenticated_status_code; - case GRPC_STATUS_RESOURCE_EXHAUSTED: - return resource_exhausted_status_code; - case GRPC_STATUS_FAILED_PRECONDITION: - return failed_precondition_status_code; - case GRPC_STATUS_ABORTED: - return aborted_status_code; - case GRPC_STATUS_OUT_OF_RANGE: - return out_of_range_status_code; - case GRPC_STATUS_UNIMPLEMENTED: - return unimplemented_status_code; - case GRPC_STATUS_INTERNAL: - return internal_error_status_code; - case GRPC_STATUS_UNAVAILABLE: - return unavailable_status_code; - case GRPC_STATUS_DATA_LOSS: - return data_loss_status_code; - default: - return NULL; - } -} - -static PyObject *pygrpc_metadata_collection_get( - grpc_metadata *metadata_elements, size_t count) { - PyObject *metadata = PyList_New(count); - size_t i; - for (i = 0; i < count; ++i) { - grpc_metadata elem = metadata_elements[i]; - PyObject *key = PyString_FromString(elem.key); - PyObject *value = PyString_FromStringAndSize(elem.value, elem.value_length); - PyObject* kvp = PyTuple_Pack(2, key, value); - /* n.b. PyList_SetItem *steals* a reference to the set element. */ - PyList_SetItem(metadata, i, kvp); - Py_DECREF(key); - Py_DECREF(value); - } - return metadata; -} - -static PyObject *pygrpc_stop_event_args(grpc_event *c_event) { - return PyTuple_Pack(8, stop_event_kind, Py_None, Py_None, Py_None, - Py_None, Py_None, Py_None, Py_None); -} - -static PyObject *pygrpc_write_event_args(grpc_event *c_event) { - pygrpc_tag *tag = (pygrpc_tag *)(c_event->tag); - PyObject *user_tag = tag->user_tag; - PyObject *write_accepted = Py_True; - return PyTuple_Pack(8, write_event_kind, user_tag, - write_accepted, Py_None, Py_None, Py_None, Py_None, - Py_None); -} - -static PyObject *pygrpc_complete_event_args(grpc_event *c_event) { - pygrpc_tag *tag = (pygrpc_tag *)(c_event->tag); - PyObject *user_tag = tag->user_tag; - PyObject *complete_accepted = Py_True; - return PyTuple_Pack(8, complete_event_kind, user_tag, - Py_None, complete_accepted, Py_None, Py_None, Py_None, - Py_None); -} - -static PyObject *pygrpc_service_event_args(grpc_event *c_event) { - pygrpc_tag *tag = (pygrpc_tag *)(c_event->tag); - PyObject *user_tag = tag->user_tag; - if (tag->call->call_details.method == NULL) { - return PyTuple_Pack( - 8, service_event_kind, user_tag, Py_None, Py_None, Py_None, Py_None, - Py_None, Py_None); - } else { - PyObject *method = NULL; - PyObject *host = NULL; - PyObject *service_deadline = NULL; - PyObject *service_acceptance = NULL; - PyObject *metadata = NULL; - PyObject *event_args = NULL; - - method = PyBytes_FromString(tag->call->call_details.method); - if (method == NULL) { - goto error; - } - host = PyBytes_FromString(tag->call->call_details.host); - if (host == NULL) { - goto error; - } - service_deadline = - pygrpc_as_py_time(&tag->call->call_details.deadline); - if (service_deadline == NULL) { - goto error; - } - - service_acceptance = - PyObject_CallFunctionObjArgs(service_acceptance_class, tag->call, - method, host, service_deadline, NULL); - if (service_acceptance == NULL) { - goto error; - } - - metadata = pygrpc_metadata_collection_get( - tag->call->recv_metadata.metadata, - tag->call->recv_metadata.count); - event_args = PyTuple_Pack(8, service_event_kind, - user_tag, Py_None, Py_None, - service_acceptance, Py_None, Py_None, - metadata); - - Py_DECREF(service_acceptance); - Py_DECREF(metadata); -error: - Py_XDECREF(method); - Py_XDECREF(host); - Py_XDECREF(service_deadline); - - return event_args; - } -} - -static PyObject *pygrpc_read_event_args(grpc_event *c_event) { - pygrpc_tag *tag = (pygrpc_tag *)(c_event->tag); - PyObject *user_tag = tag->user_tag; - if (tag->call->recv_message == NULL) { - return PyTuple_Pack(8, read_event_kind, user_tag, - Py_None, Py_None, Py_None, Py_None, Py_None, Py_None); - } else { - size_t length; - size_t offset; - grpc_byte_buffer_reader *reader; - gpr_slice slice; - char *c_bytes; - PyObject *bytes; - PyObject *event_args; - - length = grpc_byte_buffer_length(tag->call->recv_message); - reader = grpc_byte_buffer_reader_create(tag->call->recv_message); - c_bytes = gpr_malloc(length); - offset = 0; - while (grpc_byte_buffer_reader_next(reader, &slice)) { - memcpy(c_bytes + offset, GPR_SLICE_START_PTR(slice), - GPR_SLICE_LENGTH(slice)); - offset += GPR_SLICE_LENGTH(slice); - } - grpc_byte_buffer_reader_destroy(reader); - bytes = PyBytes_FromStringAndSize(c_bytes, length); - gpr_free(c_bytes); - if (bytes == NULL) { - return NULL; - } - event_args = PyTuple_Pack(8, read_event_kind, user_tag, - Py_None, Py_None, Py_None, bytes, Py_None, - Py_None); - Py_DECREF(bytes); - return event_args; - } -} - -static PyObject *pygrpc_metadata_event_args(grpc_event *c_event) { - pygrpc_tag *tag = (pygrpc_tag *)(c_event->tag); - PyObject *user_tag = tag->user_tag; - PyObject *metadata = pygrpc_metadata_collection_get( - tag->call->recv_metadata.metadata, - tag->call->recv_metadata.count); - PyObject* result = PyTuple_Pack( - 8, metadata_event_kind, user_tag, Py_None, Py_None, - Py_None, Py_None, Py_None, metadata); - Py_DECREF(metadata); - return result; -} - -static PyObject *pygrpc_finished_server_event_args(grpc_event *c_event) { - PyObject *code; - PyObject *details; - PyObject *status; - PyObject *event_args; - pygrpc_tag *tag = (pygrpc_tag *)(c_event->tag); - PyObject *user_tag = tag->user_tag; - - code = pygrpc_status_code(tag->call->cancelled ? GRPC_STATUS_CANCELLED : GRPC_STATUS_OK); - if (code == NULL) { - PyErr_SetString(PyExc_RuntimeError, "Unrecognized status code!"); - return NULL; - } - details = PyBytes_FromString(""); - if (details == NULL) { - return NULL; - } - status = PyObject_CallFunctionObjArgs(status_class, code, details, NULL); - Py_DECREF(details); - if (status == NULL) { - return NULL; - } - event_args = PyTuple_Pack(8, finish_event_kind, user_tag, - Py_None, Py_None, Py_None, Py_None, status, - Py_None); - Py_DECREF(status); - return event_args; -} - -static PyObject *pygrpc_finished_client_event_args(grpc_event *c_event) { - PyObject *code; - PyObject *details; - PyObject *status; - PyObject *event_args; - PyObject *metadata; - pygrpc_tag *tag = (pygrpc_tag *)(c_event->tag); - PyObject *user_tag = tag->user_tag; - - code = pygrpc_status_code(tag->call->status); - if (code == NULL) { - PyErr_SetString(PyExc_RuntimeError, "Unrecognized status code!"); - return NULL; - } - if (tag->call->status_details == NULL) { - details = PyBytes_FromString(""); - } else { - details = PyBytes_FromString(tag->call->status_details); - } - if (details == NULL) { - return NULL; - } - status = PyObject_CallFunctionObjArgs(status_class, code, details, NULL); - Py_DECREF(details); - if (status == NULL) { - return NULL; - } - metadata = pygrpc_metadata_collection_get( - tag->call->recv_trailing_metadata.metadata, - tag->call->recv_trailing_metadata.count); - event_args = PyTuple_Pack(8, finish_event_kind, user_tag, - Py_None, Py_None, Py_None, Py_None, status, - metadata); - Py_DECREF(status); - Py_DECREF(metadata); - return event_args; -} - -static int pygrpc_completion_queue_init(CompletionQueue *self, PyObject *args, - PyObject *kwds) { - static char *kwlist[] = {NULL}; - if (!PyArg_ParseTupleAndKeywords(args, kwds, ":CompletionQueue", kwlist)) { - return -1; - } - self->c_completion_queue = grpc_completion_queue_create(); - return 0; -} - -static void pygrpc_completion_queue_dealloc(CompletionQueue *self) { - grpc_completion_queue_destroy(self->c_completion_queue); - self->ob_type->tp_free((PyObject *)self); -} - -static PyObject *pygrpc_completion_queue_get(CompletionQueue *self, - PyObject *args) { - PyObject *deadline; - double double_deadline; - gpr_timespec deadline_timespec; - grpc_event c_event; - - PyObject *event_args; - PyObject *event; - - pygrpc_tag *tag; - - if (!(PyArg_ParseTuple(args, "O:get", &deadline))) { - return NULL; - } - - if (deadline == Py_None) { - deadline_timespec = gpr_inf_future; - } else { - double_deadline = PyFloat_AsDouble(deadline); - if (PyErr_Occurred()) { - return NULL; - } - deadline_timespec = gpr_time_from_nanos((long)(double_deadline * 1.0E9)); - } - - /* TODO(nathaniel): Suppress clang-format in this block and remove the - unnecessary and unPythonic semicolons trailing the _ALLOW_THREADS macros. - (Right now clang-format only understands //-demarcated suppressions.) */ - Py_BEGIN_ALLOW_THREADS; - c_event = - grpc_completion_queue_next(self->c_completion_queue, deadline_timespec); - Py_END_ALLOW_THREADS; - - tag = (pygrpc_tag *)c_event.tag; - - switch (c_event.type) { - case GRPC_QUEUE_TIMEOUT: - Py_RETURN_NONE; - break; - case GRPC_QUEUE_SHUTDOWN: - event_args = pygrpc_stop_event_args(&c_event); - break; - case GRPC_OP_COMPLETE: { - if (!tag) { - PyErr_SetString(PyExc_Exception, "Unrecognized event type!"); - return NULL; - } - switch (tag->type) { - case PYGRPC_INITIAL_METADATA: - if (tag) { - pygrpc_tag_destroy(tag); - } - return pygrpc_completion_queue_get(self, args); - case PYGRPC_WRITE_ACCEPTED: - event_args = pygrpc_write_event_args(&c_event); - break; - case PYGRPC_FINISH_ACCEPTED: - event_args = pygrpc_complete_event_args(&c_event); - break; - case PYGRPC_SERVER_RPC_NEW: - event_args = pygrpc_service_event_args(&c_event); - break; - case PYGRPC_READ: - event_args = pygrpc_read_event_args(&c_event); - break; - case PYGRPC_CLIENT_METADATA_READ: - event_args = pygrpc_metadata_event_args(&c_event); - break; - case PYGRPC_FINISHED_CLIENT: - event_args = pygrpc_finished_client_event_args(&c_event); - break; - case PYGRPC_FINISHED_SERVER: - event_args = pygrpc_finished_server_event_args(&c_event); - break; - default: - PyErr_SetString(PyExc_Exception, "Unrecognized op event type!"); - return NULL; - } - break; - } - default: - PyErr_SetString(PyExc_Exception, "Unrecognized event type!"); - return NULL; - } - - if (event_args == NULL) { - return NULL; - } - - event = PyObject_CallObject(event_class, event_args); - - Py_DECREF(event_args); - if (tag) { - pygrpc_tag_destroy(tag); - } - - return event; -} - -static PyObject *pygrpc_completion_queue_stop(CompletionQueue *self) { - grpc_completion_queue_shutdown(self->c_completion_queue); - - Py_RETURN_NONE; -} - -static PyMethodDef methods[] = { - {"get", (PyCFunction)pygrpc_completion_queue_get, METH_VARARGS, - "Get the next event."}, - {"stop", (PyCFunction)pygrpc_completion_queue_stop, METH_NOARGS, - "Stop this completion queue."}, - {NULL}}; - -PyTypeObject pygrpc_CompletionQueueType = { - PyVarObject_HEAD_INIT(NULL, 0) - "_gprc.CompletionQueue", /*tp_name*/ - sizeof(CompletionQueue), /*tp_basicsize*/ - 0, /*tp_itemsize*/ - (destructor)pygrpc_completion_queue_dealloc, /*tp_dealloc*/ - 0, /*tp_print*/ - 0, /*tp_getattr*/ - 0, /*tp_setattr*/ - 0, /*tp_compare*/ - 0, /*tp_repr*/ - 0, /*tp_as_number*/ - 0, /*tp_as_sequence*/ - 0, /*tp_as_mapping*/ - 0, /*tp_hash */ - 0, /*tp_call*/ - 0, /*tp_str*/ - 0, /*tp_getattro*/ - 0, /*tp_setattro*/ - 0, /*tp_as_buffer*/ - Py_TPFLAGS_DEFAULT, /*tp_flags*/ - "Wrapping of grpc_completion_queue.", /* tp_doc */ - 0, /* tp_traverse */ - 0, /* tp_clear */ - 0, /* tp_richcompare */ - 0, /* tp_weaklistoffset */ - 0, /* tp_iter */ - 0, /* tp_iternext */ - methods, /* tp_methods */ - 0, /* tp_members */ - 0, /* tp_getset */ - 0, /* tp_base */ - 0, /* tp_dict */ - 0, /* tp_descr_get */ - 0, /* tp_descr_set */ - 0, /* tp_dictoffset */ - (initproc)pygrpc_completion_queue_init, /* tp_init */ - 0, /* tp_alloc */ - PyType_GenericNew, /* tp_new */ -}; - -static int pygrpc_get_status_codes(PyObject *datatypes_module) { - PyObject *code_class = PyObject_GetAttrString(datatypes_module, "Code"); - if (code_class == NULL) { - return -1; - } - ok_status_code = PyObject_GetAttrString(code_class, "OK"); - if (ok_status_code == NULL) { - return -1; - } - cancelled_status_code = PyObject_GetAttrString(code_class, "CANCELLED"); - if (cancelled_status_code == NULL) { - return -1; - } - unknown_status_code = PyObject_GetAttrString(code_class, "UNKNOWN"); - if (unknown_status_code == NULL) { - return -1; - } - invalid_argument_status_code = - PyObject_GetAttrString(code_class, "INVALID_ARGUMENT"); - if (invalid_argument_status_code == NULL) { - return -1; - } - expired_status_code = PyObject_GetAttrString(code_class, "EXPIRED"); - if (expired_status_code == NULL) { - return -1; - } - not_found_status_code = PyObject_GetAttrString(code_class, "NOT_FOUND"); - if (not_found_status_code == NULL) { - return -1; - } - already_exists_status_code = - PyObject_GetAttrString(code_class, "ALREADY_EXISTS"); - if (already_exists_status_code == NULL) { - return -1; - } - permission_denied_status_code = - PyObject_GetAttrString(code_class, "PERMISSION_DENIED"); - if (permission_denied_status_code == NULL) { - return -1; - } - unauthenticated_status_code = - PyObject_GetAttrString(code_class, "UNAUTHENTICATED"); - if (unauthenticated_status_code == NULL) { - return -1; - } - resource_exhausted_status_code = - PyObject_GetAttrString(code_class, "RESOURCE_EXHAUSTED"); - if (resource_exhausted_status_code == NULL) { - return -1; - } - failed_precondition_status_code = - PyObject_GetAttrString(code_class, "FAILED_PRECONDITION"); - if (failed_precondition_status_code == NULL) { - return -1; - } - aborted_status_code = PyObject_GetAttrString(code_class, "ABORTED"); - if (aborted_status_code == NULL) { - return -1; - } - out_of_range_status_code = PyObject_GetAttrString(code_class, "OUT_OF_RANGE"); - if (out_of_range_status_code == NULL) { - return -1; - } - unimplemented_status_code = - PyObject_GetAttrString(code_class, "UNIMPLEMENTED"); - if (unimplemented_status_code == NULL) { - return -1; - } - internal_error_status_code = - PyObject_GetAttrString(code_class, "INTERNAL_ERROR"); - if (internal_error_status_code == NULL) { - return -1; - } - unavailable_status_code = PyObject_GetAttrString(code_class, "UNAVAILABLE"); - if (unavailable_status_code == NULL) { - return -1; - } - data_loss_status_code = PyObject_GetAttrString(code_class, "DATA_LOSS"); - if (data_loss_status_code == NULL) { - return -1; - } - Py_DECREF(code_class); - return 0; -} - -static int pygrpc_get_event_kinds(PyObject *event_class) { - PyObject *kind_class = PyObject_GetAttrString(event_class, "Kind"); - if (kind_class == NULL) { - return -1; - } - stop_event_kind = PyObject_GetAttrString(kind_class, "STOP"); - if (stop_event_kind == NULL) { - return -1; - } - write_event_kind = PyObject_GetAttrString(kind_class, "WRITE_ACCEPTED"); - if (write_event_kind == NULL) { - return -1; - } - complete_event_kind = PyObject_GetAttrString(kind_class, "COMPLETE_ACCEPTED"); - if (complete_event_kind == NULL) { - return -1; - } - service_event_kind = PyObject_GetAttrString(kind_class, "SERVICE_ACCEPTED"); - if (service_event_kind == NULL) { - return -1; - } - read_event_kind = PyObject_GetAttrString(kind_class, "READ_ACCEPTED"); - if (read_event_kind == NULL) { - return -1; - } - metadata_event_kind = PyObject_GetAttrString(kind_class, "METADATA_ACCEPTED"); - if (metadata_event_kind == NULL) { - return -1; - } - finish_event_kind = PyObject_GetAttrString(kind_class, "FINISH"); - if (finish_event_kind == NULL) { - return -1; - } - Py_DECREF(kind_class); - return 0; -} - -int pygrpc_add_completion_queue(PyObject *module) { - char *datatypes_module_path = "grpc._adapter._datatypes"; - PyObject *datatypes_module = PyImport_ImportModule(datatypes_module_path); - if (datatypes_module == NULL) { - return -1; - } - status_class = PyObject_GetAttrString(datatypes_module, "Status"); - service_acceptance_class = - PyObject_GetAttrString(datatypes_module, "ServiceAcceptance"); - event_class = PyObject_GetAttrString(datatypes_module, "Event"); - if (status_class == NULL || service_acceptance_class == NULL || - event_class == NULL) { - return -1; - } - if (pygrpc_get_status_codes(datatypes_module) == -1) { - return -1; - } - if (pygrpc_get_event_kinds(event_class) == -1) { - return -1; - } - Py_DECREF(datatypes_module); - - if (PyType_Ready(&pygrpc_CompletionQueueType) < 0) { - return -1; - } - if (PyModule_AddObject(module, "CompletionQueue", - (PyObject *)&pygrpc_CompletionQueueType) == -1) { - return -1; - } - return 0; -} diff --git a/src/python/src/grpc/_adapter/_datatypes.py b/src/python/src/grpc/_adapter/_datatypes.py deleted file mode 100644 index 3b22784243..0000000000 --- a/src/python/src/grpc/_adapter/_datatypes.py +++ /dev/null @@ -1,86 +0,0 @@ -# Copyright 2015, Google Inc. -# All rights reserved. -# -# Redistribution and use in source and binary forms, with or without -# modification, are permitted provided that the following conditions are -# met: -# -# * Redistributions of source code must retain the above copyright -# notice, this list of conditions and the following disclaimer. -# * Redistributions in binary form must reproduce the above -# copyright notice, this list of conditions and the following disclaimer -# in the documentation and/or other materials provided with the -# distribution. -# * Neither the name of Google Inc. nor the names of its -# contributors may be used to endorse or promote products derived from -# this software without specific prior written permission. -# -# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - -"""Datatypes passed between Python and C code.""" - -import collections -import enum - - -@enum.unique -class Code(enum.IntEnum): - """One Platform error codes (see status.h and codes.proto).""" - - OK = 0 - CANCELLED = 1 - UNKNOWN = 2 - INVALID_ARGUMENT = 3 - EXPIRED = 4 - NOT_FOUND = 5 - ALREADY_EXISTS = 6 - PERMISSION_DENIED = 7 - UNAUTHENTICATED = 16 - RESOURCE_EXHAUSTED = 8 - FAILED_PRECONDITION = 9 - ABORTED = 10 - OUT_OF_RANGE = 11 - UNIMPLEMENTED = 12 - INTERNAL_ERROR = 13 - UNAVAILABLE = 14 - DATA_LOSS = 15 - - -class Status(collections.namedtuple('Status', ['code', 'details'])): - """Describes an RPC's overall status.""" - - -class ServiceAcceptance( - collections.namedtuple( - 'ServiceAcceptance', ['call', 'method', 'host', 'deadline'])): - """Describes an RPC on the service side at the start of service.""" - - -class Event( - collections.namedtuple( - 'Event', - ['kind', 'tag', 'write_accepted', 'complete_accepted', - 'service_acceptance', 'bytes', 'status', 'metadata'])): - """Describes an event emitted from a completion queue.""" - - @enum.unique - class Kind(enum.Enum): - """Describes the kind of an event.""" - - STOP = object() - WRITE_ACCEPTED = object() - COMPLETE_ACCEPTED = object() - SERVICE_ACCEPTED = object() - READ_ACCEPTED = object() - METADATA_ACCEPTED = object() - FINISH = object() diff --git a/src/python/src/grpc/_adapter/_error.c b/src/python/src/grpc/_adapter/_error.c deleted file mode 100644 index a8a1dbc1bb..0000000000 --- a/src/python/src/grpc/_adapter/_error.c +++ /dev/null @@ -1,79 +0,0 @@ -/* - * - * Copyright 2015, Google Inc. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are - * met: - * - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * Redistributions in binary form must reproduce the above - * copyright notice, this list of conditions and the following disclaimer - * in the documentation and/or other materials provided with the - * distribution. - * * Neither the name of Google Inc. nor the names of its - * contributors may be used to endorse or promote products derived from - * this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - */ - -#include "grpc/_adapter/_error.h" - -#include <Python.h> -#include <grpc/grpc.h> - -const PyObject *pygrpc_translate_call_error(grpc_call_error call_error) { - switch (call_error) { - case GRPC_CALL_OK: - Py_RETURN_NONE; - case GRPC_CALL_ERROR: - PyErr_SetString(PyExc_Exception, "Defect: unknown defect!"); - return NULL; - case GRPC_CALL_ERROR_NOT_ON_SERVER: - PyErr_SetString(PyExc_Exception, - "Defect: client-only method called on server!"); - return NULL; - case GRPC_CALL_ERROR_NOT_ON_CLIENT: - PyErr_SetString(PyExc_Exception, - "Defect: server-only method called on client!"); - return NULL; - case GRPC_CALL_ERROR_ALREADY_ACCEPTED: - PyErr_SetString(PyExc_Exception, - "Defect: attempted to accept already-accepted call!"); - return NULL; - case GRPC_CALL_ERROR_ALREADY_INVOKED: - PyErr_SetString(PyExc_Exception, - "Defect: attempted to invoke already-invoked call!"); - return NULL; - case GRPC_CALL_ERROR_NOT_INVOKED: - PyErr_SetString(PyExc_Exception, "Defect: Call not yet invoked!"); - return NULL; - case GRPC_CALL_ERROR_ALREADY_FINISHED: - PyErr_SetString(PyExc_Exception, "Defect: Call already finished!"); - return NULL; - case GRPC_CALL_ERROR_TOO_MANY_OPERATIONS: - PyErr_SetString(PyExc_Exception, - "Defect: Attempted extra read or extra write on call!"); - return NULL; - case GRPC_CALL_ERROR_INVALID_FLAGS: - PyErr_SetString(PyExc_Exception, "Defect: invalid flags!"); - return NULL; - default: - PyErr_SetString(PyExc_Exception, "Defect: Unknown call error!"); - return NULL; - } -} diff --git a/src/python/src/grpc/_adapter/_error.h b/src/python/src/grpc/_adapter/_error.h deleted file mode 100644 index 6988b1c95e..0000000000 --- a/src/python/src/grpc/_adapter/_error.h +++ /dev/null @@ -1,42 +0,0 @@ -/* - * - * Copyright 2015, Google Inc. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are - * met: - * - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * Redistributions in binary form must reproduce the above - * copyright notice, this list of conditions and the following disclaimer - * in the documentation and/or other materials provided with the - * distribution. - * * Neither the name of Google Inc. nor the names of its - * contributors may be used to endorse or promote products derived from - * this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - */ - -#ifndef _ADAPTER__ERROR_H_ -#define _ADAPTER__ERROR_H_ - -#include <Python.h> -#include <grpc/grpc.h> - -const PyObject *pygrpc_translate_call_error(grpc_call_error call_error); - -#endif /* _ADAPTER__ERROR_H_ */ diff --git a/src/python/src/grpc/_adapter/_intermediary_low.py b/src/python/src/grpc/_adapter/_intermediary_low.py new file mode 100644 index 0000000000..a6e325c4e5 --- /dev/null +++ b/src/python/src/grpc/_adapter/_intermediary_low.py @@ -0,0 +1,258 @@ +# Copyright 2015, Google Inc. +# All rights reserved. +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions are +# met: +# +# * Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# * Redistributions in binary form must reproduce the above +# copyright notice, this list of conditions and the following disclaimer +# in the documentation and/or other materials provided with the +# distribution. +# * Neither the name of Google Inc. nor the names of its +# contributors may be used to endorse or promote products derived from +# this software without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +"""Temporary old _low-like layer. + +Eases refactoring burden while we overhaul the Python framework. + +Plan: + The layers used to look like: + ... # outside _adapter + fore.py + rear.py # visible outside _adapter + _low + _c + The layers currently look like: + ... # outside _adapter + fore.py + rear.py # visible outside _adapter + _low_intermediary # adapter for new '_low' to old '_low' + _low # new '_low' + _c # new '_c' + We will later remove _low_intermediary after refactoring of fore.py and + rear.py according to the ticket system refactoring and get: + ... # outside _adapter, refactored + fore.py + rear.py # visible outside _adapter, refactored + _low # new '_low' + _c # new '_c' +""" + +import collections +import enum + +from grpc._adapter import _low +from grpc._adapter import _types + +_IGNORE_ME_TAG = object() +Code = _types.StatusCode + + +class Status(collections.namedtuple('Status', ['code', 'details'])): + """Describes an RPC's overall status.""" + + +class ServiceAcceptance( + collections.namedtuple( + 'ServiceAcceptance', ['call', 'method', 'host', 'deadline'])): + """Describes an RPC on the service side at the start of service.""" + + +class Event( + collections.namedtuple( + 'Event', + ['kind', 'tag', 'write_accepted', 'complete_accepted', + 'service_acceptance', 'bytes', 'status', 'metadata'])): + """Describes an event emitted from a completion queue.""" + + @enum.unique + class Kind(enum.Enum): + """Describes the kind of an event.""" + + STOP = object() + WRITE_ACCEPTED = object() + COMPLETE_ACCEPTED = object() + SERVICE_ACCEPTED = object() + READ_ACCEPTED = object() + METADATA_ACCEPTED = object() + FINISH = object() + + +class _TagAdapter(collections.namedtuple('_TagAdapter', [ + 'user_tag', + 'kind' + ])): + pass + + +class Call(object): + """Adapter from old _low.Call interface to new _low.Call.""" + + def __init__(self, channel, completion_queue, method, host, deadline): + self._internal = channel._internal.create_call( + completion_queue._internal, method, host, deadline) + self._metadata = [] + + @staticmethod + def _from_internal(internal): + call = Call.__new__(Call) + call._internal = internal + call._metadata = [] + return call + + def invoke(self, completion_queue, metadata_tag, finish_tag): + err0 = self._internal.start_batch([ + _types.OpArgs.send_initial_metadata(self._metadata) + ], _IGNORE_ME_TAG) + err1 = self._internal.start_batch([ + _types.OpArgs.recv_initial_metadata() + ], _TagAdapter(metadata_tag, Event.Kind.METADATA_ACCEPTED)) + err2 = self._internal.start_batch([ + _types.OpArgs.recv_status_on_client() + ], _TagAdapter(finish_tag, Event.Kind.FINISH)) + return err0 if err0 != _types.CallError.OK else err1 if err1 != _types.CallError.OK else err2 if err2 != _types.CallError.OK else _types.CallError.OK + + def write(self, message, tag): + return self._internal.start_batch([ + _types.OpArgs.send_message(message) + ], _TagAdapter(tag, Event.Kind.WRITE_ACCEPTED)) + + def complete(self, tag): + return self._internal.start_batch([ + _types.OpArgs.send_close_from_client() + ], _TagAdapter(tag, Event.Kind.COMPLETE_ACCEPTED)) + + def accept(self, completion_queue, tag): + return self._internal.start_batch([ + _types.OpArgs.recv_close_on_server() + ], _TagAdapter(tag, Event.Kind.FINISH)) + + def add_metadata(self, key, value): + self._metadata.append((key, value)) + + def premetadata(self): + return self._internal.start_batch([ + _types.OpArgs.send_initial_metadata(self._metadata) + ], _IGNORE_ME_TAG) + self._metadata = [] + + def read(self, tag): + return self._internal.start_batch([ + _types.OpArgs.recv_message() + ], _TagAdapter(tag, Event.Kind.READ_ACCEPTED)) + + def status(self, status, tag): + return self._internal.start_batch([ + _types.OpArgs.send_status_from_server(self._metadata, status.code, status.details) + ], _TagAdapter(tag, Event.Kind.COMPLETE_ACCEPTED)) + + def cancel(self): + return self._internal.cancel() + + +class Channel(object): + """Adapter from old _low.Channel interface to new _low.Channel.""" + + def __init__(self, hostport, client_credentials, server_host_override=None): + args = [] + if server_host_override: + args.append((_types.GrpcChannelArgumentKeys.SSL_TARGET_NAME_OVERRIDE.value, server_host_override)) + creds = None + if client_credentials: + creds = client_credentials._internal + self._internal = _low.Channel(hostport, args, creds) + + +class CompletionQueue(object): + """Adapter from old _low.CompletionQueue interface to new _low.CompletionQueue.""" + + def __init__(self): + self._internal = _low.CompletionQueue() + + def get(self, deadline=None): + if deadline is None: + ev = self._internal.next() + else: + ev = self._internal.next(deadline) + if ev is None: + return None + elif ev.tag is _IGNORE_ME_TAG: + return self.get(deadline) + elif ev.type == _types.EventType.QUEUE_SHUTDOWN: + kind = Event.Kind.STOP + tag = None + write_accepted = None + complete_accepted = None + service_acceptance = None + message_bytes = None + status = None + metadata = None + elif ev.type == _types.EventType.OP_COMPLETE: + kind = ev.tag.kind + tag = ev.tag.user_tag + write_accepted = ev.success if kind == Event.Kind.WRITE_ACCEPTED else None + complete_accepted = ev.success if kind == Event.Kind.COMPLETE_ACCEPTED else None + service_acceptance = ServiceAcceptance(Call._from_internal(ev.call), ev.call_details.method, ev.call_details.host, ev.call_details.deadline) if kind == Event.Kind.SERVICE_ACCEPTED else None + message_bytes = ev.results[0].message if kind == Event.Kind.READ_ACCEPTED else None + status = Status(ev.results[0].status.code, ev.results[0].status.details) if (kind == Event.Kind.FINISH and ev.results[0].status) else Status(_types.StatusCode.CANCELLED if ev.results[0].cancelled else _types.StatusCode.OK, '') if ev.results[0].cancelled is not None else None + metadata = ev.results[0].initial_metadata if (kind in [Event.Kind.SERVICE_ACCEPTED, Event.Kind.METADATA_ACCEPTED]) else (ev.results[0].trailing_metadata if kind == Event.Kind.FINISH else None) + else: + raise RuntimeError('unknown event') + result_ev = Event(kind=kind, tag=tag, write_accepted=write_accepted, complete_accepted=complete_accepted, service_acceptance=service_acceptance, bytes=message_bytes, status=status, metadata=metadata) + return result_ev + + def stop(self): + self._internal.shutdown() + + +class Server(object): + """Adapter from old _low.Server interface to new _low.Server.""" + + def __init__(self, completion_queue): + self._internal = _low.Server(completion_queue._internal, []) + self._internal_cq = completion_queue._internal + + def add_http2_addr(self, addr): + return self._internal.add_http2_port(addr) + + def add_secure_http2_addr(self, addr, server_credentials): + if server_credentials is None: + return self._internal.add_http2_port(addr, None) + else: + return self._internal.add_http2_port(addr, server_credentials._internal) + + def start(self): + return self._internal.start() + + def service(self, tag): + return self._internal.request_call(self._internal_cq, _TagAdapter(tag, Event.Kind.SERVICE_ACCEPTED)) + + def stop(self): + return self._internal.shutdown() + + +class ClientCredentials(object): + """Adapter from old _low.ClientCredentials interface to new _low.ClientCredentials.""" + + def __init__(self, root_certificates, private_key, certificate_chain): + self._internal = _low.ClientCredentials.ssl(root_certificates, private_key, certificate_chain) + + +class ServerCredentials(object): + """Adapter from old _low.ServerCredentials interface to new _low.ServerCredentials.""" + + def __init__(self, root_credentials, pair_sequence): + self._internal = _low.ServerCredentials.ssl(root_credentials, list(pair_sequence)) diff --git a/src/python/src/grpc/_adapter/_intermediary_low_test.py b/src/python/src/grpc/_adapter/_intermediary_low_test.py new file mode 100644 index 0000000000..6ff51c43a6 --- /dev/null +++ b/src/python/src/grpc/_adapter/_intermediary_low_test.py @@ -0,0 +1,421 @@ +# Copyright 2015, Google Inc. +# All rights reserved. +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions are +# met: +# +# * Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# * Redistributions in binary form must reproduce the above +# copyright notice, this list of conditions and the following disclaimer +# in the documentation and/or other materials provided with the +# distribution. +# * Neither the name of Google Inc. nor the names of its +# contributors may be used to endorse or promote products derived from +# this software without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +"""Tests for the old '_low'.""" + +import time +import unittest + +from grpc._adapter import _intermediary_low as _low + +_STREAM_LENGTH = 300 +_TIMEOUT = 5 +_AFTER_DELAY = 2 +_FUTURE = time.time() + 60 * 60 * 24 +_BYTE_SEQUENCE = b'\abcdefghijklmnopqrstuvwxyz0123456789' * 200 +_BYTE_SEQUENCE_SEQUENCE = tuple( + bytes(bytearray((row + column) % 256 for column in range(row))) + for row in range(_STREAM_LENGTH)) + +class LonelyClientTest(unittest.TestCase): + + def testLonelyClient(self): + host = 'nosuchhostexists' + port = 54321 + method = 'test method' + deadline = time.time() + _TIMEOUT + after_deadline = deadline + _AFTER_DELAY + metadata_tag = object() + finish_tag = object() + + completion_queue = _low.CompletionQueue() + channel = _low.Channel('%s:%d' % (host, port), None) + client_call = _low.Call(channel, completion_queue, method, host, deadline) + + client_call.invoke(completion_queue, metadata_tag, finish_tag) + first_event = completion_queue.get(after_deadline) + self.assertIsNotNone(first_event) + second_event = completion_queue.get(after_deadline) + self.assertIsNotNone(second_event) + kinds = [event.kind for event in (first_event, second_event)] + self.assertItemsEqual( + (_low.Event.Kind.METADATA_ACCEPTED, _low.Event.Kind.FINISH), + kinds) + + self.assertIsNone(completion_queue.get(after_deadline)) + + completion_queue.stop() + stop_event = completion_queue.get(_FUTURE) + self.assertEqual(_low.Event.Kind.STOP, stop_event.kind) + + del client_call + del channel + del completion_queue + + +class EchoTest(unittest.TestCase): + + def setUp(self): + self.host = 'localhost' + + self.server_completion_queue = _low.CompletionQueue() + self.server = _low.Server(self.server_completion_queue) + port = self.server.add_http2_addr('[::]:0') + self.server.start() + + self.client_completion_queue = _low.CompletionQueue() + self.channel = _low.Channel('%s:%d' % (self.host, port), None) + + def tearDown(self): + self.server.stop() + # NOTE(nathaniel): Yep, this is weird; it's a consequence of + # grpc_server_destroy's being what has the effect of telling the server's + # completion queue to pump out all pending events/tags immediately rather + # than gracefully completing all outstanding RPCs while accepting no new + # ones. + # TODO(nathaniel): Deallocation of a Python object shouldn't have this kind + # of observable side effect let alone such an important one. + del self.server + self.server_completion_queue.stop() + self.client_completion_queue.stop() + while True: + event = self.server_completion_queue.get(_FUTURE) + if event is not None and event.kind is _low.Event.Kind.STOP: + break + while True: + event = self.client_completion_queue.get(_FUTURE) + if event is not None and event.kind is _low.Event.Kind.STOP: + break + self.server_completion_queue = None + self.client_completion_queue = None + + def _perform_echo_test(self, test_data): + method = 'test method' + details = 'test details' + server_leading_metadata_key = 'my_server_leading_key' + server_leading_metadata_value = 'my_server_leading_value' + server_trailing_metadata_key = 'my_server_trailing_key' + server_trailing_metadata_value = 'my_server_trailing_value' + client_metadata_key = 'my_client_key' + client_metadata_value = 'my_client_value' + server_leading_binary_metadata_key = 'my_server_leading_key-bin' + server_leading_binary_metadata_value = b'\0'*2047 + server_trailing_binary_metadata_key = 'my_server_trailing_key-bin' + server_trailing_binary_metadata_value = b'\0'*2047 + client_binary_metadata_key = 'my_client_key-bin' + client_binary_metadata_value = b'\0'*2047 + deadline = _FUTURE + metadata_tag = object() + finish_tag = object() + write_tag = object() + complete_tag = object() + service_tag = object() + read_tag = object() + status_tag = object() + + server_data = [] + client_data = [] + + client_call = _low.Call(self.channel, self.client_completion_queue, + method, self.host, deadline) + client_call.add_metadata(client_metadata_key, client_metadata_value) + client_call.add_metadata(client_binary_metadata_key, + client_binary_metadata_value) + + client_call.invoke(self.client_completion_queue, metadata_tag, finish_tag) + + self.server.service(service_tag) + service_accepted = self.server_completion_queue.get(_FUTURE) + self.assertIsNotNone(service_accepted) + self.assertIs(service_accepted.kind, _low.Event.Kind.SERVICE_ACCEPTED) + self.assertIs(service_accepted.tag, service_tag) + self.assertEqual(method, service_accepted.service_acceptance.method) + self.assertEqual(self.host, service_accepted.service_acceptance.host) + self.assertIsNotNone(service_accepted.service_acceptance.call) + metadata = dict(service_accepted.metadata) + self.assertIn(client_metadata_key, metadata) + self.assertEqual(client_metadata_value, metadata[client_metadata_key]) + self.assertIn(client_binary_metadata_key, metadata) + self.assertEqual(client_binary_metadata_value, + metadata[client_binary_metadata_key]) + server_call = service_accepted.service_acceptance.call + server_call.accept(self.server_completion_queue, finish_tag) + server_call.add_metadata(server_leading_metadata_key, + server_leading_metadata_value) + server_call.add_metadata(server_leading_binary_metadata_key, + server_leading_binary_metadata_value) + server_call.premetadata() + + metadata_accepted = self.client_completion_queue.get(_FUTURE) + self.assertIsNotNone(metadata_accepted) + self.assertEqual(_low.Event.Kind.METADATA_ACCEPTED, metadata_accepted.kind) + self.assertEqual(metadata_tag, metadata_accepted.tag) + metadata = dict(metadata_accepted.metadata) + self.assertIn(server_leading_metadata_key, metadata) + self.assertEqual(server_leading_metadata_value, + metadata[server_leading_metadata_key]) + self.assertIn(server_leading_binary_metadata_key, metadata) + self.assertEqual(server_leading_binary_metadata_value, + metadata[server_leading_binary_metadata_key]) + + for datum in test_data: + client_call.write(datum, write_tag) + write_accepted = self.client_completion_queue.get(_FUTURE) + self.assertIsNotNone(write_accepted) + self.assertIs(write_accepted.kind, _low.Event.Kind.WRITE_ACCEPTED) + self.assertIs(write_accepted.tag, write_tag) + self.assertIs(write_accepted.write_accepted, True) + + server_call.read(read_tag) + read_accepted = self.server_completion_queue.get(_FUTURE) + self.assertIsNotNone(read_accepted) + self.assertEqual(_low.Event.Kind.READ_ACCEPTED, read_accepted.kind) + self.assertEqual(read_tag, read_accepted.tag) + self.assertIsNotNone(read_accepted.bytes) + server_data.append(read_accepted.bytes) + + server_call.write(read_accepted.bytes, write_tag) + write_accepted = self.server_completion_queue.get(_FUTURE) + self.assertIsNotNone(write_accepted) + self.assertEqual(_low.Event.Kind.WRITE_ACCEPTED, write_accepted.kind) + self.assertEqual(write_tag, write_accepted.tag) + self.assertTrue(write_accepted.write_accepted) + + client_call.read(read_tag) + read_accepted = self.client_completion_queue.get(_FUTURE) + self.assertIsNotNone(read_accepted) + self.assertEqual(_low.Event.Kind.READ_ACCEPTED, read_accepted.kind) + self.assertEqual(read_tag, read_accepted.tag) + self.assertIsNotNone(read_accepted.bytes) + client_data.append(read_accepted.bytes) + + client_call.complete(complete_tag) + complete_accepted = self.client_completion_queue.get(_FUTURE) + self.assertIsNotNone(complete_accepted) + self.assertIs(complete_accepted.kind, _low.Event.Kind.COMPLETE_ACCEPTED) + self.assertIs(complete_accepted.tag, complete_tag) + self.assertIs(complete_accepted.complete_accepted, True) + + server_call.read(read_tag) + read_accepted = self.server_completion_queue.get(_FUTURE) + self.assertIsNotNone(read_accepted) + self.assertEqual(_low.Event.Kind.READ_ACCEPTED, read_accepted.kind) + self.assertEqual(read_tag, read_accepted.tag) + self.assertIsNone(read_accepted.bytes) + + server_call.add_metadata(server_trailing_metadata_key, + server_trailing_metadata_value) + server_call.add_metadata(server_trailing_binary_metadata_key, + server_trailing_binary_metadata_value) + + server_call.status(_low.Status(_low.Code.OK, details), status_tag) + server_terminal_event_one = self.server_completion_queue.get(_FUTURE) + server_terminal_event_two = self.server_completion_queue.get(_FUTURE) + if server_terminal_event_one.kind == _low.Event.Kind.COMPLETE_ACCEPTED: + status_accepted = server_terminal_event_one + rpc_accepted = server_terminal_event_two + else: + status_accepted = server_terminal_event_two + rpc_accepted = server_terminal_event_one + self.assertIsNotNone(status_accepted) + self.assertIsNotNone(rpc_accepted) + self.assertEqual(_low.Event.Kind.COMPLETE_ACCEPTED, status_accepted.kind) + self.assertEqual(status_tag, status_accepted.tag) + self.assertTrue(status_accepted.complete_accepted) + self.assertEqual(_low.Event.Kind.FINISH, rpc_accepted.kind) + self.assertEqual(finish_tag, rpc_accepted.tag) + self.assertEqual(_low.Status(_low.Code.OK, ''), rpc_accepted.status) + + client_call.read(read_tag) + client_terminal_event_one = self.client_completion_queue.get(_FUTURE) + client_terminal_event_two = self.client_completion_queue.get(_FUTURE) + if client_terminal_event_one.kind == _low.Event.Kind.READ_ACCEPTED: + read_accepted = client_terminal_event_one + finish_accepted = client_terminal_event_two + else: + read_accepted = client_terminal_event_two + finish_accepted = client_terminal_event_one + self.assertIsNotNone(read_accepted) + self.assertIsNotNone(finish_accepted) + self.assertEqual(_low.Event.Kind.READ_ACCEPTED, read_accepted.kind) + self.assertEqual(read_tag, read_accepted.tag) + self.assertIsNone(read_accepted.bytes) + self.assertEqual(_low.Event.Kind.FINISH, finish_accepted.kind) + self.assertEqual(finish_tag, finish_accepted.tag) + self.assertEqual(_low.Status(_low.Code.OK, details), finish_accepted.status) + metadata = dict(finish_accepted.metadata) + self.assertIn(server_trailing_metadata_key, metadata) + self.assertEqual(server_trailing_metadata_value, + metadata[server_trailing_metadata_key]) + self.assertIn(server_trailing_binary_metadata_key, metadata) + self.assertEqual(server_trailing_binary_metadata_value, + metadata[server_trailing_binary_metadata_key]) + + server_timeout_none_event = self.server_completion_queue.get(0) + self.assertIsNone(server_timeout_none_event) + client_timeout_none_event = self.client_completion_queue.get(0) + self.assertIsNone(client_timeout_none_event) + + self.assertSequenceEqual(test_data, server_data) + self.assertSequenceEqual(test_data, client_data) + + def testNoEcho(self): + self._perform_echo_test(()) + + def testOneByteEcho(self): + self._perform_echo_test([b'\x07']) + + def testOneManyByteEcho(self): + self._perform_echo_test([_BYTE_SEQUENCE]) + + def testManyOneByteEchoes(self): + self._perform_echo_test(_BYTE_SEQUENCE) + + def testManyManyByteEchoes(self): + self._perform_echo_test(_BYTE_SEQUENCE_SEQUENCE) + + +class CancellationTest(unittest.TestCase): + + def setUp(self): + self.host = 'localhost' + + self.server_completion_queue = _low.CompletionQueue() + self.server = _low.Server(self.server_completion_queue) + port = self.server.add_http2_addr('[::]:0') + self.server.start() + + self.client_completion_queue = _low.CompletionQueue() + self.channel = _low.Channel('%s:%d' % (self.host, port), None) + + def tearDown(self): + self.server.stop() + del self.server + self.server_completion_queue.stop() + self.client_completion_queue.stop() + while True: + event = self.server_completion_queue.get(0) + if event is not None and event.kind is _low.Event.Kind.STOP: + break + while True: + event = self.client_completion_queue.get(0) + if event is not None and event.kind is _low.Event.Kind.STOP: + break + + def testCancellation(self): + method = 'test method' + deadline = _FUTURE + metadata_tag = object() + finish_tag = object() + write_tag = object() + service_tag = object() + read_tag = object() + test_data = _BYTE_SEQUENCE_SEQUENCE + + server_data = [] + client_data = [] + + client_call = _low.Call(self.channel, self.client_completion_queue, + method, self.host, deadline) + + client_call.invoke(self.client_completion_queue, metadata_tag, finish_tag) + + self.server.service(service_tag) + service_accepted = self.server_completion_queue.get(_FUTURE) + server_call = service_accepted.service_acceptance.call + + server_call.accept(self.server_completion_queue, finish_tag) + server_call.premetadata() + + metadata_accepted = self.client_completion_queue.get(_FUTURE) + self.assertIsNotNone(metadata_accepted) + + for datum in test_data: + client_call.write(datum, write_tag) + write_accepted = self.client_completion_queue.get(_FUTURE) + + server_call.read(read_tag) + read_accepted = self.server_completion_queue.get(_FUTURE) + server_data.append(read_accepted.bytes) + + server_call.write(read_accepted.bytes, write_tag) + write_accepted = self.server_completion_queue.get(_FUTURE) + self.assertIsNotNone(write_accepted) + + client_call.read(read_tag) + read_accepted = self.client_completion_queue.get(_FUTURE) + client_data.append(read_accepted.bytes) + + client_call.cancel() + # cancel() is idempotent. + client_call.cancel() + client_call.cancel() + client_call.cancel() + + server_call.read(read_tag) + + server_terminal_event_one = self.server_completion_queue.get(_FUTURE) + server_terminal_event_two = self.server_completion_queue.get(_FUTURE) + if server_terminal_event_one.kind == _low.Event.Kind.READ_ACCEPTED: + read_accepted = server_terminal_event_one + rpc_accepted = server_terminal_event_two + else: + read_accepted = server_terminal_event_two + rpc_accepted = server_terminal_event_one + self.assertIsNotNone(read_accepted) + self.assertIsNotNone(rpc_accepted) + self.assertEqual(_low.Event.Kind.READ_ACCEPTED, read_accepted.kind) + self.assertIsNone(read_accepted.bytes) + self.assertEqual(_low.Event.Kind.FINISH, rpc_accepted.kind) + self.assertEqual(_low.Status(_low.Code.CANCELLED, ''), rpc_accepted.status) + + finish_event = self.client_completion_queue.get(_FUTURE) + self.assertEqual(_low.Event.Kind.FINISH, finish_event.kind) + self.assertEqual(_low.Status(_low.Code.CANCELLED, 'Cancelled'), + finish_event.status) + + server_timeout_none_event = self.server_completion_queue.get(0) + self.assertIsNone(server_timeout_none_event) + client_timeout_none_event = self.client_completion_queue.get(0) + self.assertIsNone(client_timeout_none_event) + + self.assertSequenceEqual(test_data, server_data) + self.assertSequenceEqual(test_data, client_data) + + +class ExpirationTest(unittest.TestCase): + + @unittest.skip('TODO(nathaniel): Expiration test!') + def testExpiration(self): + pass + + +if __name__ == '__main__': + unittest.main(verbosity=2) + diff --git a/src/python/src/grpc/_adapter/_low.py b/src/python/src/grpc/_adapter/_low.py index a24baaeb3e..0c1d3b40a5 100644 --- a/src/python/src/grpc/_adapter/_low.py +++ b/src/python/src/grpc/_adapter/_low.py @@ -27,31 +27,85 @@ # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -"""A Python interface for GRPC C core structures and behaviors.""" - -import atexit -import gc - from grpc._adapter import _c -from grpc._adapter import _datatypes - -def _shut_down(): - # force garbage collection before shutting down grpc, to ensure all grpc - # objects are cleaned up - gc.collect() - _c.shut_down() - -_c.init() -atexit.register(_shut_down) - -# pylint: disable=invalid-name -Code = _datatypes.Code -Status = _datatypes.Status -Event = _datatypes.Event -Call = _c.Call -Channel = _c.Channel -CompletionQueue = _c.CompletionQueue -Server = _c.Server +from grpc._adapter import _types + ClientCredentials = _c.ClientCredentials ServerCredentials = _c.ServerCredentials -# pylint: enable=invalid-name + + +class CompletionQueue(_types.CompletionQueue): + + def __init__(self): + self.completion_queue = _c.CompletionQueue() + + def next(self, deadline=float('+inf')): + raw_event = self.completion_queue.next(deadline) + if raw_event is None: + return None + event = _types.Event(*raw_event) + if event.call is not None: + event = event._replace(call=Call(event.call)) + if event.call_details is not None: + event = event._replace(call_details=_types.CallDetails(*event.call_details)) + if event.results is not None: + new_results = [_types.OpResult(*r) for r in event.results] + new_results = [r if r.status is None else r._replace(status=_types.Status(_types.StatusCode(r.status[0]), r.status[1])) for r in new_results] + event = event._replace(results=new_results) + return event + + def shutdown(self): + self.completion_queue.shutdown() + + +class Call(_types.Call): + + def __init__(self, call): + self.call = call + + def start_batch(self, ops, tag): + return self.call.start_batch(ops, tag) + + def cancel(self, code=None, details=None): + if code is None and details is None: + return self.call.cancel() + else: + return self.call.cancel(code, details) + + +class Channel(_types.Channel): + + def __init__(self, target, args, creds=None): + if creds is None: + self.channel = _c.Channel(target, args) + else: + self.channel = _c.Channel(target, args, creds) + + def create_call(self, completion_queue, method, host, deadline=None): + return Call(self.channel.create_call(completion_queue.completion_queue, method, host, deadline)) + + +_NO_TAG = object() + +class Server(_types.Server): + + def __init__(self, completion_queue, args): + self.server = _c.Server(completion_queue.completion_queue, args) + + def add_http2_port(self, addr, creds=None): + if creds is None: + return self.server.add_http2_port(addr) + else: + return self.server.add_http2_port(addr, creds) + + def start(self): + return self.server.start() + + def shutdown(self, tag=_NO_TAG): + if tag is _NO_TAG: + return self.server.shutdown() + else: + return self.server.shutdown(tag) + + def request_call(self, completion_queue, tag): + return self.server.request_call(completion_queue.completion_queue, tag) diff --git a/src/python/src/grpc/_adapter/_low_test.py b/src/python/src/grpc/_adapter/_low_test.py index d4b628c2ae..e53b176caf 100644 --- a/src/python/src/grpc/_adapter/_low_test.py +++ b/src/python/src/grpc/_adapter/_low_test.py @@ -27,388 +27,141 @@ # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -"""Tests for _adapter._low.""" - import time import unittest +from grpc._adapter import _types from grpc._adapter import _low -_STREAM_LENGTH = 300 -_TIMEOUT = 5 -_AFTER_DELAY = 2 -_FUTURE = time.time() + 60 * 60 * 24 -_BYTE_SEQUENCE = b'\abcdefghijklmnopqrstuvwxyz0123456789' * 200 -_BYTE_SEQUENCE_SEQUENCE = tuple( - bytes(bytearray((row + column) % 256 for column in range(row))) - for row in range(_STREAM_LENGTH)) - -class LonelyClientTest(unittest.TestCase): - - def testLonelyClient(self): - host = 'nosuchhostexists' - port = 54321 - method = 'test method' - deadline = time.time() + _TIMEOUT - after_deadline = deadline + _AFTER_DELAY - metadata_tag = object() - finish_tag = object() - - completion_queue = _low.CompletionQueue() - channel = _low.Channel('%s:%d' % (host, port), None) - client_call = _low.Call(channel, completion_queue, method, host, deadline) - - client_call.invoke(completion_queue, metadata_tag, finish_tag) - first_event = completion_queue.get(after_deadline) - self.assertIsNotNone(first_event) - second_event = completion_queue.get(after_deadline) - self.assertIsNotNone(second_event) - kinds = [event.kind for event in (first_event, second_event)] - self.assertItemsEqual( - (_low.Event.Kind.METADATA_ACCEPTED, _low.Event.Kind.FINISH), - kinds) - - self.assertIsNone(completion_queue.get(after_deadline)) - - completion_queue.stop() - stop_event = completion_queue.get(_FUTURE) - self.assertEqual(_low.Event.Kind.STOP, stop_event.kind) - -class EchoTest(unittest.TestCase): +class InsecureServerInsecureClient(unittest.TestCase): def setUp(self): - self.host = 'localhost' - self.server_completion_queue = _low.CompletionQueue() - self.server = _low.Server(self.server_completion_queue) - port = self.server.add_http2_addr('[::]:0') - self.server.start() - + self.server = _low.Server(self.server_completion_queue, []) + self.port = self.server.add_http2_port('[::]:0') self.client_completion_queue = _low.CompletionQueue() - self.channel = _low.Channel('%s:%d' % (self.host, port), None) - - def tearDown(self): - self.server.stop() - # NOTE(nathaniel): Yep, this is weird; it's a consequence of - # grpc_server_destroy's being what has the effect of telling the server's - # completion queue to pump out all pending events/tags immediately rather - # than gracefully completing all outstanding RPCs while accepting no new - # ones. - # TODO(nathaniel): Deallocation of a Python object shouldn't have this kind - # of observable side effect let alone such an important one. - del self.server - self.server_completion_queue.stop() - self.client_completion_queue.stop() - while True: - event = self.server_completion_queue.get(_FUTURE) - if event is not None and event.kind is _low.Event.Kind.STOP: - break - while True: - event = self.client_completion_queue.get(_FUTURE) - if event is not None and event.kind is _low.Event.Kind.STOP: - break - self.server_completion_queue = None - self.client_completion_queue = None - - def _perform_echo_test(self, test_data): - method = 'test method' - details = 'test details' - server_leading_metadata_key = 'my_server_leading_key' - server_leading_metadata_value = 'my_server_leading_value' - server_trailing_metadata_key = 'my_server_trailing_key' - server_trailing_metadata_value = 'my_server_trailing_value' - client_metadata_key = 'my_client_key' - client_metadata_value = 'my_client_value' - server_leading_binary_metadata_key = 'my_server_leading_key-bin' - server_leading_binary_metadata_value = b'\0'*2047 - server_trailing_binary_metadata_key = 'my_server_trailing_key-bin' - server_trailing_binary_metadata_value = b'\0'*2047 - client_binary_metadata_key = 'my_client_key-bin' - client_binary_metadata_value = b'\0'*2047 - deadline = _FUTURE - metadata_tag = object() - finish_tag = object() - write_tag = object() - complete_tag = object() - service_tag = object() - read_tag = object() - status_tag = object() - - server_data = [] - client_data = [] - - client_call = _low.Call(self.channel, self.client_completion_queue, - method, self.host, deadline) - client_call.add_metadata(client_metadata_key, client_metadata_value) - client_call.add_metadata(client_binary_metadata_key, - client_binary_metadata_value) - - client_call.invoke(self.client_completion_queue, metadata_tag, finish_tag) - - self.server.service(service_tag) - service_accepted = self.server_completion_queue.get(_FUTURE) - self.assertIsNotNone(service_accepted) - self.assertIs(service_accepted.kind, _low.Event.Kind.SERVICE_ACCEPTED) - self.assertIs(service_accepted.tag, service_tag) - self.assertEqual(method, service_accepted.service_acceptance.method) - self.assertEqual(self.host, service_accepted.service_acceptance.host) - self.assertIsNotNone(service_accepted.service_acceptance.call) - metadata = dict(service_accepted.metadata) - self.assertIn(client_metadata_key, metadata) - self.assertEqual(client_metadata_value, metadata[client_metadata_key]) - self.assertIn(client_binary_metadata_key, metadata) - self.assertEqual(client_binary_metadata_value, - metadata[client_binary_metadata_key]) - server_call = service_accepted.service_acceptance.call - server_call.accept(self.server_completion_queue, finish_tag) - server_call.add_metadata(server_leading_metadata_key, - server_leading_metadata_value) - server_call.add_metadata(server_leading_binary_metadata_key, - server_leading_binary_metadata_value) - server_call.premetadata() - - metadata_accepted = self.client_completion_queue.get(_FUTURE) - self.assertIsNotNone(metadata_accepted) - self.assertEqual(_low.Event.Kind.METADATA_ACCEPTED, metadata_accepted.kind) - self.assertEqual(metadata_tag, metadata_accepted.tag) - metadata = dict(metadata_accepted.metadata) - self.assertIn(server_leading_metadata_key, metadata) - self.assertEqual(server_leading_metadata_value, - metadata[server_leading_metadata_key]) - self.assertIn(server_leading_binary_metadata_key, metadata) - self.assertEqual(server_leading_binary_metadata_value, - metadata[server_leading_binary_metadata_key]) - - for datum in test_data: - client_call.write(datum, write_tag) - write_accepted = self.client_completion_queue.get(_FUTURE) - self.assertIsNotNone(write_accepted) - self.assertIs(write_accepted.kind, _low.Event.Kind.WRITE_ACCEPTED) - self.assertIs(write_accepted.tag, write_tag) - self.assertIs(write_accepted.write_accepted, True) - - server_call.read(read_tag) - read_accepted = self.server_completion_queue.get(_FUTURE) - self.assertIsNotNone(read_accepted) - self.assertEqual(_low.Event.Kind.READ_ACCEPTED, read_accepted.kind) - self.assertEqual(read_tag, read_accepted.tag) - self.assertIsNotNone(read_accepted.bytes) - server_data.append(read_accepted.bytes) - - server_call.write(read_accepted.bytes, write_tag) - write_accepted = self.server_completion_queue.get(_FUTURE) - self.assertIsNotNone(write_accepted) - self.assertEqual(_low.Event.Kind.WRITE_ACCEPTED, write_accepted.kind) - self.assertEqual(write_tag, write_accepted.tag) - self.assertTrue(write_accepted.write_accepted) - - client_call.read(read_tag) - read_accepted = self.client_completion_queue.get(_FUTURE) - self.assertIsNotNone(read_accepted) - self.assertEqual(_low.Event.Kind.READ_ACCEPTED, read_accepted.kind) - self.assertEqual(read_tag, read_accepted.tag) - self.assertIsNotNone(read_accepted.bytes) - client_data.append(read_accepted.bytes) - - client_call.complete(complete_tag) - complete_accepted = self.client_completion_queue.get(_FUTURE) - self.assertIsNotNone(complete_accepted) - self.assertIs(complete_accepted.kind, _low.Event.Kind.COMPLETE_ACCEPTED) - self.assertIs(complete_accepted.tag, complete_tag) - self.assertIs(complete_accepted.complete_accepted, True) - - server_call.read(read_tag) - read_accepted = self.server_completion_queue.get(_FUTURE) - self.assertIsNotNone(read_accepted) - self.assertEqual(_low.Event.Kind.READ_ACCEPTED, read_accepted.kind) - self.assertEqual(read_tag, read_accepted.tag) - self.assertIsNone(read_accepted.bytes) - - server_call.add_metadata(server_trailing_metadata_key, - server_trailing_metadata_value) - server_call.add_metadata(server_trailing_binary_metadata_key, - server_trailing_binary_metadata_value) - - server_call.status(_low.Status(_low.Code.OK, details), status_tag) - server_terminal_event_one = self.server_completion_queue.get(_FUTURE) - server_terminal_event_two = self.server_completion_queue.get(_FUTURE) - if server_terminal_event_one.kind == _low.Event.Kind.COMPLETE_ACCEPTED: - status_accepted = server_terminal_event_one - rpc_accepted = server_terminal_event_two - else: - status_accepted = server_terminal_event_two - rpc_accepted = server_terminal_event_one - self.assertIsNotNone(status_accepted) - self.assertIsNotNone(rpc_accepted) - self.assertEqual(_low.Event.Kind.COMPLETE_ACCEPTED, status_accepted.kind) - self.assertEqual(status_tag, status_accepted.tag) - self.assertTrue(status_accepted.complete_accepted) - self.assertEqual(_low.Event.Kind.FINISH, rpc_accepted.kind) - self.assertEqual(finish_tag, rpc_accepted.tag) - self.assertEqual(_low.Status(_low.Code.OK, ''), rpc_accepted.status) - - client_call.read(read_tag) - client_terminal_event_one = self.client_completion_queue.get(_FUTURE) - client_terminal_event_two = self.client_completion_queue.get(_FUTURE) - if client_terminal_event_one.kind == _low.Event.Kind.READ_ACCEPTED: - read_accepted = client_terminal_event_one - finish_accepted = client_terminal_event_two - else: - read_accepted = client_terminal_event_two - finish_accepted = client_terminal_event_one - self.assertIsNotNone(read_accepted) - self.assertIsNotNone(finish_accepted) - self.assertEqual(_low.Event.Kind.READ_ACCEPTED, read_accepted.kind) - self.assertEqual(read_tag, read_accepted.tag) - self.assertIsNone(read_accepted.bytes) - self.assertEqual(_low.Event.Kind.FINISH, finish_accepted.kind) - self.assertEqual(finish_tag, finish_accepted.tag) - self.assertEqual(_low.Status(_low.Code.OK, details), finish_accepted.status) - metadata = dict(finish_accepted.metadata) - self.assertIn(server_trailing_metadata_key, metadata) - self.assertEqual(server_trailing_metadata_value, - metadata[server_trailing_metadata_key]) - self.assertIn(server_trailing_binary_metadata_key, metadata) - self.assertEqual(server_trailing_binary_metadata_value, - metadata[server_trailing_binary_metadata_key]) - - server_timeout_none_event = self.server_completion_queue.get(0) - self.assertIsNone(server_timeout_none_event) - client_timeout_none_event = self.client_completion_queue.get(0) - self.assertIsNone(client_timeout_none_event) - - self.assertSequenceEqual(test_data, server_data) - self.assertSequenceEqual(test_data, client_data) + self.client_channel = _low.Channel('localhost:%d'%self.port, []) - def testNoEcho(self): - self._perform_echo_test(()) - - def testOneByteEcho(self): - self._perform_echo_test([b'\x07']) - - def testOneManyByteEcho(self): - self._perform_echo_test([_BYTE_SEQUENCE]) - - def testManyOneByteEchoes(self): - self._perform_echo_test(_BYTE_SEQUENCE) - - def testManyManyByteEchoes(self): - self._perform_echo_test(_BYTE_SEQUENCE_SEQUENCE) - -class CancellationTest(unittest.TestCase): - - def setUp(self): - self.host = 'localhost' - - self.server_completion_queue = _low.CompletionQueue() - self.server = _low.Server(self.server_completion_queue) - port = self.server.add_http2_addr('[::]:0') self.server.start() - self.client_completion_queue = _low.CompletionQueue() - self.channel = _low.Channel('%s:%d' % (self.host, port), None) - def tearDown(self): - self.server.stop() + self.server.shutdown() + del self.client_channel del self.server - self.server_completion_queue.stop() - self.client_completion_queue.stop() - while True: - event = self.server_completion_queue.get(0) - if event is not None and event.kind is _low.Event.Kind.STOP: - break - while True: - event = self.client_completion_queue.get(0) - if event is not None and event.kind is _low.Event.Kind.STOP: - break - - def testCancellation(self): - method = 'test method' - deadline = _FUTURE - metadata_tag = object() - finish_tag = object() - write_tag = object() - service_tag = object() - read_tag = object() - test_data = _BYTE_SEQUENCE_SEQUENCE - - server_data = [] - client_data = [] - - client_call = _low.Call(self.channel, self.client_completion_queue, - method, self.host, deadline) - - client_call.invoke(self.client_completion_queue, metadata_tag, finish_tag) - - self.server.service(service_tag) - service_accepted = self.server_completion_queue.get(_FUTURE) - server_call = service_accepted.service_acceptance.call - - server_call.accept(self.server_completion_queue, finish_tag) - server_call.premetadata() - - metadata_accepted = self.client_completion_queue.get(_FUTURE) - self.assertIsNotNone(metadata_accepted) - - for datum in test_data: - client_call.write(datum, write_tag) - write_accepted = self.client_completion_queue.get(_FUTURE) - - server_call.read(read_tag) - read_accepted = self.server_completion_queue.get(_FUTURE) - server_data.append(read_accepted.bytes) - - server_call.write(read_accepted.bytes, write_tag) - write_accepted = self.server_completion_queue.get(_FUTURE) - self.assertIsNotNone(write_accepted) - - client_call.read(read_tag) - read_accepted = self.client_completion_queue.get(_FUTURE) - client_data.append(read_accepted.bytes) - - client_call.cancel() - # cancel() is idempotent. - client_call.cancel() - client_call.cancel() - client_call.cancel() - - server_call.read(read_tag) - - server_terminal_event_one = self.server_completion_queue.get(_FUTURE) - server_terminal_event_two = self.server_completion_queue.get(_FUTURE) - if server_terminal_event_one.kind == _low.Event.Kind.READ_ACCEPTED: - read_accepted = server_terminal_event_one - rpc_accepted = server_terminal_event_two - else: - read_accepted = server_terminal_event_two - rpc_accepted = server_terminal_event_one - self.assertIsNotNone(read_accepted) - self.assertIsNotNone(rpc_accepted) - self.assertEqual(_low.Event.Kind.READ_ACCEPTED, read_accepted.kind) - self.assertIsNone(read_accepted.bytes) - self.assertEqual(_low.Event.Kind.FINISH, rpc_accepted.kind) - self.assertEqual(_low.Status(_low.Code.CANCELLED, ''), rpc_accepted.status) - - finish_event = self.client_completion_queue.get(_FUTURE) - self.assertEqual(_low.Event.Kind.FINISH, finish_event.kind) - self.assertEqual(_low.Status(_low.Code.CANCELLED, 'Cancelled'), - finish_event.status) - - server_timeout_none_event = self.server_completion_queue.get(0) - self.assertIsNone(server_timeout_none_event) - client_timeout_none_event = self.client_completion_queue.get(0) - self.assertIsNone(client_timeout_none_event) - - self.assertSequenceEqual(test_data, server_data) - self.assertSequenceEqual(test_data, client_data) - - -class ExpirationTest(unittest.TestCase): - @unittest.skip('TODO(nathaniel): Expiration test!') - def testExpiration(self): - pass + self.client_completion_queue.shutdown() + while self.client_completion_queue.next().type != _types.EventType.QUEUE_SHUTDOWN: + pass + self.server_completion_queue.shutdown() + while self.server_completion_queue.next().type != _types.EventType.QUEUE_SHUTDOWN: + pass + + del self.client_completion_queue + del self.server_completion_queue + + def testEcho(self): + DEADLINE = time.time()+5 + DEADLINE_TOLERANCE = 0.25 + CLIENT_METADATA_ASCII_KEY = 'key' + CLIENT_METADATA_ASCII_VALUE = 'val' + CLIENT_METADATA_BIN_KEY = 'key-bin' + CLIENT_METADATA_BIN_VALUE = b'\0'*1000 + SERVER_INITIAL_METADATA_KEY = 'init_me_me_me' + SERVER_INITIAL_METADATA_VALUE = 'whodawha?' + SERVER_TRAILING_METADATA_KEY = 'California_is_in_a_drought' + SERVER_TRAILING_METADATA_VALUE = 'zomg it is' + SERVER_STATUS_CODE = _types.StatusCode.OK + SERVER_STATUS_DETAILS = 'our work is never over' + REQUEST = 'in death a member of project mayhem has a name' + RESPONSE = 'his name is robert paulson' + METHOD = 'twinkies' + HOST = 'hostess' + server_request_tag = object() + request_call_result = self.server.request_call(self.server_completion_queue, server_request_tag) + + self.assertEquals(_types.CallError.OK, request_call_result) + + client_call_tag = object() + client_call = self.client_channel.create_call(self.client_completion_queue, METHOD, HOST, DEADLINE) + client_initial_metadata = [(CLIENT_METADATA_ASCII_KEY, CLIENT_METADATA_ASCII_VALUE), (CLIENT_METADATA_BIN_KEY, CLIENT_METADATA_BIN_VALUE)] + client_start_batch_result = client_call.start_batch([ + _types.OpArgs.send_initial_metadata(client_initial_metadata), + _types.OpArgs.send_message(REQUEST), + _types.OpArgs.send_close_from_client(), + _types.OpArgs.recv_initial_metadata(), + _types.OpArgs.recv_message(), + _types.OpArgs.recv_status_on_client() + ], client_call_tag) + self.assertEquals(_types.CallError.OK, client_start_batch_result) + + request_event = self.server_completion_queue.next(DEADLINE) + self.assertEquals(_types.EventType.OP_COMPLETE, request_event.type) + self.assertIsInstance(request_event.call, _low.Call) + self.assertIs(server_request_tag, request_event.tag) + self.assertEquals(1, len(request_event.results)) + self.assertEquals(dict(client_initial_metadata), dict(request_event.results[0].initial_metadata)) + self.assertEquals(METHOD, request_event.call_details.method) + self.assertEquals(HOST, request_event.call_details.host) + self.assertLess(abs(DEADLINE - request_event.call_details.deadline), DEADLINE_TOLERANCE) + + server_call_tag = object() + server_call = request_event.call + server_initial_metadata = [(SERVER_INITIAL_METADATA_KEY, SERVER_INITIAL_METADATA_VALUE)] + server_trailing_metadata = [(SERVER_TRAILING_METADATA_KEY, SERVER_TRAILING_METADATA_VALUE)] + server_start_batch_result = server_call.start_batch([ + _types.OpArgs.send_initial_metadata(server_initial_metadata), + _types.OpArgs.recv_message(), + _types.OpArgs.send_message(RESPONSE), + _types.OpArgs.recv_close_on_server(), + _types.OpArgs.send_status_from_server(server_trailing_metadata, SERVER_STATUS_CODE, SERVER_STATUS_DETAILS) + ], server_call_tag) + self.assertEquals(_types.CallError.OK, server_start_batch_result) + + client_event = self.client_completion_queue.next(DEADLINE) + server_event = self.server_completion_queue.next(DEADLINE) + + self.assertEquals(6, len(client_event.results)) + found_client_op_types = set() + for client_result in client_event.results: + self.assertNotIn(client_result.type, found_client_op_types) # we expect each op type to be unique + found_client_op_types.add(client_result.type) + if client_result.type == _types.OpType.RECV_INITIAL_METADATA: + self.assertEquals(dict(server_initial_metadata), dict(client_result.initial_metadata)) + elif client_result.type == _types.OpType.RECV_MESSAGE: + self.assertEquals(RESPONSE, client_result.message) + elif client_result.type == _types.OpType.RECV_STATUS_ON_CLIENT: + self.assertEquals(dict(server_trailing_metadata), dict(client_result.trailing_metadata)) + self.assertEquals(SERVER_STATUS_DETAILS, client_result.status.details) + self.assertEquals(SERVER_STATUS_CODE, client_result.status.code) + self.assertEquals(set([ + _types.OpType.SEND_INITIAL_METADATA, + _types.OpType.SEND_MESSAGE, + _types.OpType.SEND_CLOSE_FROM_CLIENT, + _types.OpType.RECV_INITIAL_METADATA, + _types.OpType.RECV_MESSAGE, + _types.OpType.RECV_STATUS_ON_CLIENT + ]), found_client_op_types) + + self.assertEquals(5, len(server_event.results)) + found_server_op_types = set() + for server_result in server_event.results: + self.assertNotIn(client_result.type, found_server_op_types) + found_server_op_types.add(server_result.type) + if server_result.type == _types.OpType.RECV_MESSAGE: + self.assertEquals(REQUEST, server_result.message) + elif server_result.type == _types.OpType.RECV_CLOSE_ON_SERVER: + self.assertFalse(server_result.cancelled) + self.assertEquals(set([ + _types.OpType.SEND_INITIAL_METADATA, + _types.OpType.RECV_MESSAGE, + _types.OpType.SEND_MESSAGE, + _types.OpType.RECV_CLOSE_ON_SERVER, + _types.OpType.SEND_STATUS_FROM_SERVER + ]), found_server_op_types) + + del client_call + del server_call if __name__ == '__main__': diff --git a/src/python/src/grpc/_adapter/_server.c b/src/python/src/grpc/_adapter/_server.c deleted file mode 100644 index a6c20bf132..0000000000 --- a/src/python/src/grpc/_adapter/_server.c +++ /dev/null @@ -1,202 +0,0 @@ -/* - * - * Copyright 2015, Google Inc. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are - * met: - * - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * Redistributions in binary form must reproduce the above - * copyright notice, this list of conditions and the following disclaimer - * in the documentation and/or other materials provided with the - * distribution. - * * Neither the name of Google Inc. nor the names of its - * contributors may be used to endorse or promote products derived from - * this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - */ - -#include "grpc/_adapter/_server.h" - -#include <Python.h> -#include <grpc/grpc.h> - -#include "grpc/_adapter/_call.h" -#include "grpc/_adapter/_completion_queue.h" -#include "grpc/_adapter/_error.h" -#include "grpc/_adapter/_server_credentials.h" -#include "grpc/_adapter/_tag.h" - -static int pygrpc_server_init(Server *self, PyObject *args, PyObject *kwds) { - CompletionQueue *completion_queue; - static char *kwlist[] = {"completion_queue", NULL}; - - if (!PyArg_ParseTupleAndKeywords(args, kwds, "O!:Server", kwlist, - &pygrpc_CompletionQueueType, - &completion_queue)) { - return -1; - } - self->c_server = grpc_server_create(NULL); - grpc_server_register_completion_queue(self->c_server, - completion_queue->c_completion_queue); - self->completion_queue = completion_queue; - Py_INCREF(completion_queue); - return 0; -} - -static void pygrpc_server_dealloc(Server *self) { - if (self->c_server != NULL) { - grpc_server_destroy(self->c_server); - } - Py_XDECREF(self->completion_queue); - self->ob_type->tp_free((PyObject *)self); -} - -static PyObject *pygrpc_server_add_http2_addr(Server *self, PyObject *args) { - const char *addr; - int port; - if (!PyArg_ParseTuple(args, "s:add_http2_addr", &addr)) { - return NULL; - } - - port = grpc_server_add_http2_port(self->c_server, addr); - if (port == 0) { - PyErr_SetString(PyExc_RuntimeError, "Couldn't add port to server!"); - return NULL; - } - - return PyInt_FromLong(port); -} - -static PyObject *pygrpc_server_add_secure_http2_addr(Server *self, - PyObject *args, - PyObject *kwargs) { - const char *addr; - PyObject *server_credentials; - static char *kwlist[] = {"addr", "server_credentials", NULL}; - int port; - - if (!PyArg_ParseTupleAndKeywords(args, kwargs, "sO!:add_secure_http2_addr", - kwlist, &addr, &pygrpc_ServerCredentialsType, - &server_credentials)) { - return NULL; - } - port = grpc_server_add_secure_http2_port( - self->c_server, addr, - ((ServerCredentials *)server_credentials)->c_server_credentials); - if (port == 0) { - PyErr_SetString(PyExc_RuntimeError, "Couldn't add port to server!"); - return NULL; - } - return PyInt_FromLong(port); -} - -static PyObject *pygrpc_server_start(Server *self) { - grpc_server_start(self->c_server); - - Py_RETURN_NONE; -} - -static const PyObject *pygrpc_server_service(Server *self, PyObject *tag) { - grpc_call_error call_error; - const PyObject *result; - pygrpc_tag *c_tag = pygrpc_tag_new_server_rpc_call(tag); - c_tag->call->completion_queue = self->completion_queue; - c_tag->call->server = self; - Py_INCREF(c_tag->call->completion_queue); - Py_INCREF(c_tag->call->server); - call_error = grpc_server_request_call( - self->c_server, &c_tag->call->c_call, &c_tag->call->call_details, - &c_tag->call->recv_metadata, self->completion_queue->c_completion_queue, - self->completion_queue->c_completion_queue, c_tag); - - result = pygrpc_translate_call_error(call_error); - if (result != NULL) { - Py_INCREF(tag); - } - return result; -} - -static PyObject *pygrpc_server_stop(Server *self) { - grpc_server_shutdown(self->c_server); - - Py_RETURN_NONE; -} - -static PyMethodDef methods[] = { - {"add_http2_addr", (PyCFunction)pygrpc_server_add_http2_addr, METH_VARARGS, - "Add an HTTP2 address."}, - {"add_secure_http2_addr", (PyCFunction)pygrpc_server_add_secure_http2_addr, - METH_VARARGS, "Add a secure HTTP2 address."}, - {"start", (PyCFunction)pygrpc_server_start, METH_NOARGS, - "Starts the server."}, - {"service", (PyCFunction)pygrpc_server_service, METH_O, "Services a call."}, - {"stop", (PyCFunction)pygrpc_server_stop, METH_NOARGS, "Stops the server."}, - {NULL}}; - -static PyTypeObject pygrpc_ServerType = { - PyVarObject_HEAD_INIT(NULL, 0) - "_gprc.Server", /*tp_name*/ - sizeof(Server), /*tp_basicsize*/ - 0, /*tp_itemsize*/ - (destructor)pygrpc_server_dealloc, /*tp_dealloc*/ - 0, /*tp_print*/ - 0, /*tp_getattr*/ - 0, /*tp_setattr*/ - 0, /*tp_compare*/ - 0, /*tp_repr*/ - 0, /*tp_as_number*/ - 0, /*tp_as_sequence*/ - 0, /*tp_as_mapping*/ - 0, /*tp_hash */ - 0, /*tp_call*/ - 0, /*tp_str*/ - 0, /*tp_getattro*/ - 0, /*tp_setattro*/ - 0, /*tp_as_buffer*/ - Py_TPFLAGS_DEFAULT, /*tp_flags*/ - "Wrapping of grpc_server.", /* tp_doc */ - 0, /* tp_traverse */ - 0, /* tp_clear */ - 0, /* tp_richcompare */ - 0, /* tp_weaklistoffset */ - 0, /* tp_iter */ - 0, /* tp_iternext */ - methods, /* tp_methods */ - 0, /* tp_members */ - 0, /* tp_getset */ - 0, /* tp_base */ - 0, /* tp_dict */ - 0, /* tp_descr_get */ - 0, /* tp_descr_set */ - 0, /* tp_dictoffset */ - (initproc)pygrpc_server_init, /* tp_init */ - 0, /* tp_alloc */ - PyType_GenericNew, /* tp_new */ -}; - -int pygrpc_add_server(PyObject *module) { - if (PyType_Ready(&pygrpc_ServerType) < 0) { - return -1; - } - if (PyModule_AddObject(module, "Server", (PyObject *)&pygrpc_ServerType) == - -1) { - return -1; - } - return 0; -} diff --git a/src/python/src/grpc/_adapter/_server_credentials.c b/src/python/src/grpc/_adapter/_server_credentials.c deleted file mode 100644 index 06e6b94974..0000000000 --- a/src/python/src/grpc/_adapter/_server_credentials.c +++ /dev/null @@ -1,152 +0,0 @@ -/* - * - * Copyright 2015, Google Inc. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are - * met: - * - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * Redistributions in binary form must reproduce the above - * copyright notice, this list of conditions and the following disclaimer - * in the documentation and/or other materials provided with the - * distribution. - * * Neither the name of Google Inc. nor the names of its - * contributors may be used to endorse or promote products derived from - * this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - */ - -#include "grpc/_adapter/_server_credentials.h" - -#include <Python.h> -#include <grpc/grpc_security.h> -#include <grpc/support/alloc.h> - -static int pygrpc_server_credentials_init(ServerCredentials *self, - PyObject *args, PyObject *kwds) { - char *root_certificates; - PyObject *pair_sequence; - Py_ssize_t pair_count; - grpc_ssl_pem_key_cert_pair *pairs; - int error; - PyObject *iterator; - int i; - PyObject *pair; - static char *kwlist[] = {"root_credentials", "pair_sequence", NULL}; - - if (!PyArg_ParseTupleAndKeywords(args, kwds, "zO:ServerCredentials", kwlist, - &root_certificates, &pair_sequence)) { - return -1; - } - - pair_count = PySequence_Length(pair_sequence); - if (pair_count == -1) { - return -1; - } - - iterator = PyObject_GetIter(pair_sequence); - if (iterator == NULL) { - return -1; - } - pairs = gpr_malloc(pair_count * sizeof(grpc_ssl_pem_key_cert_pair)); - error = 0; - for (i = 0; i < pair_count; i++) { - pair = PyIter_Next(iterator); - if (pair == NULL) { - error = 1; - break; - } - if (!PyArg_ParseTuple(pair, "ss", &pairs[i].private_key, - &pairs[i].cert_chain)) { - error = 1; - Py_DECREF(pair); - break; - } - Py_DECREF(pair); - } - Py_DECREF(iterator); - - if (error) { - gpr_free(pairs); - return -1; - } else { - self->c_server_credentials = grpc_ssl_server_credentials_create( - root_certificates, pairs, pair_count); - gpr_free(pairs); - return 0; - } -} - -static void pygrpc_server_credentials_dealloc(ServerCredentials *self) { - if (self->c_server_credentials != NULL) { - grpc_server_credentials_release(self->c_server_credentials); - } - self->ob_type->tp_free((PyObject *)self); -} - -PyTypeObject pygrpc_ServerCredentialsType = { - PyVarObject_HEAD_INIT(NULL, 0) - "_grpc.ServerCredencials", /*tp_name*/ - sizeof(ServerCredentials), /*tp_basicsize*/ - 0, /*tp_itemsize*/ - (destructor)pygrpc_server_credentials_dealloc, /*tp_dealloc*/ - 0, /*tp_print*/ - 0, /*tp_getattr*/ - 0, /*tp_setattr*/ - 0, /*tp_compare*/ - 0, /*tp_repr*/ - 0, /*tp_as_number*/ - 0, /*tp_as_sequence*/ - 0, /*tp_as_mapping*/ - 0, /*tp_hash */ - 0, /*tp_call*/ - 0, /*tp_str*/ - 0, /*tp_getattro*/ - 0, /*tp_setattro*/ - 0, /*tp_as_buffer*/ - Py_TPFLAGS_DEFAULT, /*tp_flags*/ - "Wrapping of grpc_server_credentials.", /* tp_doc */ - 0, /* tp_traverse */ - 0, /* tp_clear */ - 0, /* tp_richcompare */ - 0, /* tp_weaklistoffset */ - 0, /* tp_iter */ - 0, /* tp_iternext */ - 0, /* tp_methods */ - 0, /* tp_members */ - 0, /* tp_getset */ - 0, /* tp_base */ - 0, /* tp_dict */ - 0, /* tp_descr_get */ - 0, /* tp_descr_set */ - 0, /* tp_dictoffset */ - (initproc)pygrpc_server_credentials_init, /* tp_init */ - 0, /* tp_alloc */ - PyType_GenericNew, /* tp_new */ -}; - -int pygrpc_add_server_credentials(PyObject *module) { - if (PyType_Ready(&pygrpc_ServerCredentialsType) < 0) { - return -1; - } - if (PyModule_AddObject(module, "ServerCredentials", - (PyObject *)&pygrpc_ServerCredentialsType) == -1) { - return -1; - } - return 0; -} diff --git a/src/python/src/grpc/_adapter/_server_credentials.h b/src/python/src/grpc/_adapter/_server_credentials.h deleted file mode 100644 index 75af934089..0000000000 --- a/src/python/src/grpc/_adapter/_server_credentials.h +++ /dev/null @@ -1,49 +0,0 @@ -/* - * - * Copyright 2015, Google Inc. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are - * met: - * - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * Redistributions in binary form must reproduce the above - * copyright notice, this list of conditions and the following disclaimer - * in the documentation and/or other materials provided with the - * distribution. - * * Neither the name of Google Inc. nor the names of its - * contributors may be used to endorse or promote products derived from - * this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - */ - -#ifndef _ADAPTER__SERVER_CREDENTIALS_H_ -#define _ADAPTER__SERVER_CREDENTIALS_H_ - -#include <Python.h> -#include <grpc/grpc_security.h> - -typedef struct { - PyObject_HEAD - grpc_server_credentials *c_server_credentials; -} ServerCredentials; - -extern PyTypeObject pygrpc_ServerCredentialsType; - -int pygrpc_add_server_credentials(PyObject *module); - -#endif /* _ADAPTER__SERVER_CREDENTIALS_H_ */ diff --git a/src/python/src/grpc/_adapter/_tag.c b/src/python/src/grpc/_adapter/_tag.c deleted file mode 100644 index 9c6ee19d79..0000000000 --- a/src/python/src/grpc/_adapter/_tag.c +++ /dev/null @@ -1,65 +0,0 @@ -/* - * - * Copyright 2015, Google Inc. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are - * met: - * - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * Redistributions in binary form must reproduce the above - * copyright notice, this list of conditions and the following disclaimer - * in the documentation and/or other materials provided with the - * distribution. - * * Neither the name of Google Inc. nor the names of its - * contributors may be used to endorse or promote products derived from - * this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - */ - -#include "grpc/_adapter/_tag.h" - -#include <Python.h> -#include <grpc/grpc.h> -#include <grpc/support/alloc.h> - -pygrpc_tag *pygrpc_tag_new(pygrpc_tag_type type, PyObject *user_tag, - Call *call) { - pygrpc_tag *self = (pygrpc_tag *)gpr_malloc(sizeof(pygrpc_tag)); - memset(self, 0, sizeof(pygrpc_tag)); - if (user_tag == NULL) { - self->user_tag = Py_None; - } else { - self->user_tag = user_tag; - } - Py_INCREF(self->user_tag); - self->type = type; - self->call = call; - Py_INCREF(call); - return self; -} - -pygrpc_tag *pygrpc_tag_new_server_rpc_call(PyObject *user_tag) { - return pygrpc_tag_new(PYGRPC_SERVER_RPC_NEW, user_tag, - (Call *)pygrpc_CallType.tp_alloc(&pygrpc_CallType, 0)); -} - -void pygrpc_tag_destroy(pygrpc_tag *self) { - Py_XDECREF(self->user_tag); - Py_XDECREF(self->call); - gpr_free(self); -} diff --git a/src/python/src/grpc/_adapter/_tag.h b/src/python/src/grpc/_adapter/_tag.h deleted file mode 100644 index 64812aa7e7..0000000000 --- a/src/python/src/grpc/_adapter/_tag.h +++ /dev/null @@ -1,70 +0,0 @@ -/* - * - * Copyright 2015, Google Inc. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are - * met: - * - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * Redistributions in binary form must reproduce the above - * copyright notice, this list of conditions and the following disclaimer - * in the documentation and/or other materials provided with the - * distribution. - * * Neither the name of Google Inc. nor the names of its - * contributors may be used to endorse or promote products derived from - * this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - */ - -#ifndef _ADAPTER__TAG_H_ -#define _ADAPTER__TAG_H_ - -#include <Python.h> -#include <grpc/grpc.h> - -#include "grpc/_adapter/_call.h" -#include "grpc/_adapter/_completion_queue.h" - -/* grpc_completion_type is becoming meaningless in grpc_event; this is a partial - replacement for its descriptive functionality until Python can move its whole - C and C adapter stack to more closely resemble the core batching API. */ -typedef enum { - PYGRPC_SERVER_RPC_NEW = 0, - PYGRPC_INITIAL_METADATA = 1, - PYGRPC_READ = 2, - PYGRPC_WRITE_ACCEPTED = 3, - PYGRPC_FINISH_ACCEPTED = 4, - PYGRPC_CLIENT_METADATA_READ = 5, - PYGRPC_FINISHED_CLIENT = 6, - PYGRPC_FINISHED_SERVER = 7 -} pygrpc_tag_type; - -typedef struct { - pygrpc_tag_type type; - PyObject *user_tag; - - Call *call; -} pygrpc_tag; - -pygrpc_tag *pygrpc_tag_new(pygrpc_tag_type type, PyObject *user_tag, - Call *call); -pygrpc_tag *pygrpc_tag_new_server_rpc_call(PyObject *user_tag); -void pygrpc_tag_destroy(pygrpc_tag *self); - -#endif /* _ADAPTER__TAG_H_ */ - diff --git a/src/python/src/grpc/_adapter/_types.py b/src/python/src/grpc/_adapter/_types.py new file mode 100644 index 0000000000..5ddb1774ea --- /dev/null +++ b/src/python/src/grpc/_adapter/_types.py @@ -0,0 +1,368 @@ +# Copyright 2015, Google Inc. +# All rights reserved. +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions are +# met: +# +# * Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# * Redistributions in binary form must reproduce the above +# copyright notice, this list of conditions and the following disclaimer +# in the documentation and/or other materials provided with the +# distribution. +# * Neither the name of Google Inc. nor the names of its +# contributors may be used to endorse or promote products derived from +# this software without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +import abc +import collections +import enum + +# TODO(atash): decide whether or not to move these enums to the _c module to +# force build errors with upstream changes. + +class GrpcChannelArgumentKeys(enum.Enum): + """Mirrors keys used in grpc_channel_args for GRPC-specific arguments.""" + SSL_TARGET_NAME_OVERRIDE = 'grpc.ssl_target_name_override' + +@enum.unique +class CallError(enum.IntEnum): + """Mirrors grpc_call_error in the C core.""" + OK = 0 + ERROR = 1 + ERROR_NOT_ON_SERVER = 2 + ERROR_NOT_ON_CLIENT = 3 + ERROR_ALREADY_ACCEPTED = 4 + ERROR_ALREADY_INVOKED = 5 + ERROR_NOT_INVOKED = 6 + ERROR_ALREADY_FINISHED = 7 + ERROR_TOO_MANY_OPERATIONS = 8 + ERROR_INVALID_FLAGS = 9 + ERROR_INVALID_METADATA = 10 + +@enum.unique +class StatusCode(enum.IntEnum): + """Mirrors grpc_status_code in the C core.""" + OK = 0 + CANCELLED = 1 + UNKNOWN = 2 + INVALID_ARGUMENT = 3 + DEADLINE_EXCEEDED = 4 + NOT_FOUND = 5 + ALREADY_EXISTS = 6 + PERMISSION_DENIED = 7 + RESOURCE_EXHAUSTED = 8 + FAILED_PRECONDITION = 9 + ABORTED = 10 + OUT_OF_RANGE = 11 + UNIMPLEMENTED = 12 + INTERNAL = 13 + UNAVAILABLE = 14 + DATA_LOSS = 15 + UNAUTHENTICATED = 16 + +@enum.unique +class OpType(enum.IntEnum): + """Mirrors grpc_op_type in the C core.""" + SEND_INITIAL_METADATA = 0 + SEND_MESSAGE = 1 + SEND_CLOSE_FROM_CLIENT = 2 + SEND_STATUS_FROM_SERVER = 3 + RECV_INITIAL_METADATA = 4 + RECV_MESSAGE = 5 + RECV_STATUS_ON_CLIENT = 6 + RECV_CLOSE_ON_SERVER = 7 + +@enum.unique +class EventType(enum.IntEnum): + """Mirrors grpc_completion_type in the C core.""" + QUEUE_SHUTDOWN = 0 + QUEUE_TIMEOUT = 1 # if seen on the Python side, something went horridly wrong + OP_COMPLETE = 2 + +class Status(collections.namedtuple( + 'Status', [ + 'code', + 'details', + ])): + """The end status of a GRPC call. + + Attributes: + code (StatusCode): ... + details (str): ... + """ + +class CallDetails(collections.namedtuple( + 'CallDetails', [ + 'method', + 'host', + 'deadline', + ])): + """Provides information to the server about the client's call. + + Attributes: + method (str): ... + host (str): ... + deadline (float): ... + """ + +class OpArgs(collections.namedtuple( + 'OpArgs', [ + 'type', + 'initial_metadata', + 'trailing_metadata', + 'message', + 'status', + ])): + """Arguments passed into a GRPC operation. + + Attributes: + type (OpType): ... + initial_metadata (sequence of 2-sequence of str): Only valid if type == + OpType.SEND_INITIAL_METADATA, else is None. + trailing_metadata (sequence of 2-sequence of str): Only valid if type == + OpType.SEND_STATUS_FROM_SERVER, else is None. + message (bytes): Only valid if type == OpType.SEND_MESSAGE, else is None. + status (Status): Only valid if type == OpType.SEND_STATUS_FROM_SERVER, else + is None. + """ + + @staticmethod + def send_initial_metadata(initial_metadata): + return OpArgs(OpType.SEND_INITIAL_METADATA, initial_metadata, None, None, None) + + @staticmethod + def send_message(message): + return OpArgs(OpType.SEND_MESSAGE, None, None, message, None) + + @staticmethod + def send_close_from_client(): + return OpArgs(OpType.SEND_CLOSE_FROM_CLIENT, None, None, None, None) + + @staticmethod + def send_status_from_server(trailing_metadata, status_code, status_details): + return OpArgs(OpType.SEND_STATUS_FROM_SERVER, None, trailing_metadata, None, Status(status_code, status_details)) + + @staticmethod + def recv_initial_metadata(): + return OpArgs(OpType.RECV_INITIAL_METADATA, None, None, None, None); + + @staticmethod + def recv_message(): + return OpArgs(OpType.RECV_MESSAGE, None, None, None, None) + + @staticmethod + def recv_status_on_client(): + return OpArgs(OpType.RECV_STATUS_ON_CLIENT, None, None, None, None) + + @staticmethod + def recv_close_on_server(): + return OpArgs(OpType.RECV_CLOSE_ON_SERVER, None, None, None, None) + + +class OpResult(collections.namedtuple( + 'OpResult', [ + 'type', + 'initial_metadata', + 'trailing_metadata', + 'message', + 'status', + 'cancelled', + ])): + """Results received from a GRPC operation. + + Attributes: + type (OpType): ... + initial_metadata (sequence of 2-sequence of str): Only valid if type == + OpType.RECV_INITIAL_METADATA, else is None. + trailing_metadata (sequence of 2-sequence of str): Only valid if type == + OpType.RECV_STATUS_ON_CLIENT, else is None. + message (bytes): Only valid if type == OpType.RECV_MESSAGE, else is None. + status (Status): Only valid if type == OpType.RECV_STATUS_ON_CLIENT, else + is None. + cancelled (bool): Only valid if type == OpType.RECV_CLOSE_ON_SERVER, else + is None. + """ + + +class Event(collections.namedtuple( + 'Event', [ + 'type', + 'tag', + 'call', + 'call_details', + 'results', + 'success', + ])): + """An event received from a GRPC completion queue. + + Attributes: + type (EventType): ... + tag (object): ... + call (Call): The Call object associated with this event (if there is one, + else None). + call_details (CallDetails): The call details associated with the + server-side call (if there is such information, else None). + results (list of OpResult): ... + success (bool): ... + """ + + +class CompletionQueue: + __metaclass__ = abc.ABCMeta + + @abc.abstractmethod + def __init__(self): + pass + + def __iter__(self): + """This class may be iterated over. + + This is the equivalent of calling next() repeatedly with an absolute + deadline of None (i.e. no deadline). + """ + return self + + @abc.abstractmethod + def next(self, deadline=float('+inf')): + """Get the next event on this completion queue. + + Args: + deadline (float): absolute deadline in seconds from the Python epoch, or + None for no deadline. + + Returns: + Event: ... + """ + pass + + @abc.abstractmethod + def shutdown(self): + """Begin the shutdown process of this completion queue. + + Note that this does not immediately destroy the completion queue. + Nevertheless, user code should not pass it around after invoking this. + """ + return None + + +class Call: + __metaclass__ = abc.ABCMeta + + @abc.abstractmethod + def start_batch(self, ops, tag): + """Start a batch of operations. + + Args: + ops (sequence of OpArgs): ... + tag (object): ... + + Returns: + CallError: ... + """ + return CallError.ERROR + + @abc.abstractmethod + def cancel(self, code=None, details=None): + """Cancel the call. + + Args: + code (int): Status code to cancel with (on the server side). If + specified, so must `details`. + details (str): Status details to cancel with (on the server side). If + specified, so must `code`. + + Returns: + CallError: ... + """ + return CallError.ERROR + + +class Channel: + __metaclass__ = abc.ABCMeta + + @abc.abstractmethod + def __init__(self, target, args, credentials=None): + """Initialize a Channel. + + Args: + target (str): ... + args (sequence of 2-sequence of str, (str|integer)): ... + credentials (ClientCredentials): If None, create an insecure channel, + else create a secure channel using the client credentials. + """ + + @abc.abstractmethod + def create_call(self, completion_queue, method, host, deadline=float('+inf')): + """Create a call from this channel. + + Args: + completion_queue (CompletionQueue): ... + method (str): ... + host (str): ... + deadline (float): absolute deadline in seconds from the Python epoch, or + None for no deadline. + + Returns: + Call: call object associated with this Channel and passed parameters. + """ + return None + + +class Server: + __metaclass__ = abc.ABCMeta + + @abc.abstractmethod + def __init__(self, completion_queue, args): + """Initialize a server. + + Args: + completion_queue (CompletionQueue): ... + args (sequence of 2-sequence of str, (str|integer)): ... + """ + + @abc.abstractmethod + def add_http2_port(self, address, credentials=None): + """Adds an HTTP/2 address+port to the server. + + Args: + address (str): ... + credentials (ServerCredentials): If None, create an insecure port, else + create a secure port using the server credentials. + """ + + @abc.abstractmethod + def start(self): + """Starts the server.""" + + @abc.abstractmethod + def shutdown(self, tag=None): + """Shuts down the server. Does not immediately destroy the server. + + Args: + tag (object): if not None, have the server place an event on its + completion queue notifying it when this server has completely shut down. + """ + + @abc.abstractmethod + def request_call(self, completion_queue, tag): + """Requests a call from the server on the server's completion queue. + + Args: + completion_queue (CompletionQueue): Completion queue for the call. May be + the same as the server's completion queue. + tag (object) ... + """ diff --git a/src/python/src/grpc/_adapter/fore.py b/src/python/src/grpc/_adapter/fore.py index 69e145e3f6..7d88bda263 100644 --- a/src/python/src/grpc/_adapter/fore.py +++ b/src/python/src/grpc/_adapter/fore.py @@ -35,7 +35,7 @@ import threading import time from grpc._adapter import _common -from grpc._adapter import _low +from grpc._adapter import _intermediary_low as _low from grpc.framework.base import interfaces as base_interfaces from grpc.framework.base import null from grpc.framework.foundation import activated @@ -204,7 +204,7 @@ class ForeLink(base_interfaces.ForeLink, activated.Activated): call, sequence_number, base_interfaces.FrontToBackTicket.Kind.CANCELLATION, None, None, None, None, None) - elif code is _low.Code.EXPIRED: + elif code is _low.Code.DEADLINE_EXCEEDED: ticket = base_interfaces.FrontToBackTicket( call, sequence_number, base_interfaces.FrontToBackTicket.Kind.EXPIRATION, None, None, None, diff --git a/src/python/src/grpc/_adapter/rear.py b/src/python/src/grpc/_adapter/rear.py index b3b0b4ed32..fd6f45f7a7 100644 --- a/src/python/src/grpc/_adapter/rear.py +++ b/src/python/src/grpc/_adapter/rear.py @@ -35,7 +35,7 @@ import threading import time from grpc._adapter import _common -from grpc._adapter import _low +from grpc._adapter import _intermediary_low as _low from grpc.framework.base import interfaces as base_interfaces from grpc.framework.base import null from grpc.framework.foundation import activated @@ -195,7 +195,7 @@ class RearLink(base_interfaces.RearLink, activated.Activated): kind = base_interfaces.BackToFrontTicket.Kind.COMPLETION elif event.status.code is _low.Code.CANCELLED: kind = base_interfaces.BackToFrontTicket.Kind.CANCELLATION - elif event.status.code is _low.Code.EXPIRED: + elif event.status.code is _low.Code.DEADLINE_EXCEEDED: kind = base_interfaces.BackToFrontTicket.Kind.EXPIRATION else: kind = base_interfaces.BackToFrontTicket.Kind.TRANSMISSION_FAILURE diff --git a/src/python/src/setup.py b/src/python/src/setup.py index d0f4791a1e..dc655a70f9 100644 --- a/src/python/src/setup.py +++ b/src/python/src/setup.py @@ -34,15 +34,15 @@ import setuptools import sys _EXTENSION_SOURCES = ( - 'grpc/_adapter/_c.c', - 'grpc/_adapter/_call.c', - 'grpc/_adapter/_channel.c', - 'grpc/_adapter/_completion_queue.c', - 'grpc/_adapter/_error.c', - 'grpc/_adapter/_server.c', - 'grpc/_adapter/_client_credentials.c', - 'grpc/_adapter/_server_credentials.c', - 'grpc/_adapter/_tag.c' + 'grpc/_adapter/_c/module.c', + 'grpc/_adapter/_c/types.c', + 'grpc/_adapter/_c/utility.c', + 'grpc/_adapter/_c/types/client_credentials.c', + 'grpc/_adapter/_c/types/server_credentials.c', + 'grpc/_adapter/_c/types/completion_queue.c', + 'grpc/_adapter/_c/types/call.c', + 'grpc/_adapter/_c/types/channel.c', + 'grpc/_adapter/_c/types/server.c', ) _EXTENSION_INCLUDE_DIRECTORIES = ( |