From a446ee2f58e520ee43f298f6d815f3c36e4a753e Mon Sep 17 00:00:00 2001 From: Craig Tiller Date: Mon, 4 Apr 2016 13:09:30 -0700 Subject: Add test to verify bad behavior --- test/core/end2end/tests/filter_causes_close.c | 296 ++++++++++++++++++++++++++ 1 file changed, 296 insertions(+) create mode 100644 test/core/end2end/tests/filter_causes_close.c (limited to 'test/core/end2end/tests') diff --git a/test/core/end2end/tests/filter_causes_close.c b/test/core/end2end/tests/filter_causes_close.c new file mode 100644 index 0000000000..c6fb766f82 --- /dev/null +++ b/test/core/end2end/tests/filter_causes_close.c @@ -0,0 +1,296 @@ +/* + * + * 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 "test/core/end2end/end2end_tests.h" + +#include +#include +#include + +#include +#include +#include +#include +#include +#include "src/core/lib/channel/channel_stack_builder.h" +#include "src/core/lib/surface/channel_init.h" +#include "test/core/end2end/cq_verifier.h" + +enum { TIMEOUT = 200000 }; + +static bool g_enable_filter = false; + +static void *tag(intptr_t t) { return (void *)t; } + +static grpc_end2end_test_fixture begin_test(grpc_end2end_test_config config, + const char *test_name, + grpc_channel_args *client_args, + grpc_channel_args *server_args) { + grpc_end2end_test_fixture f; + gpr_log(GPR_INFO, "%s/%s", test_name, config.name); + f = config.create_fixture(client_args, server_args); + config.init_server(&f, server_args); + config.init_client(&f, client_args); + return f; +} + +static gpr_timespec n_seconds_time(int n) { + return GRPC_TIMEOUT_SECONDS_TO_DEADLINE(n); +} + +static gpr_timespec five_seconds_time(void) { return n_seconds_time(5); } + +static void drain_cq(grpc_completion_queue *cq) { + grpc_event ev; + do { + ev = grpc_completion_queue_next(cq, five_seconds_time(), NULL); + } while (ev.type != GRPC_QUEUE_SHUTDOWN); +} + +static void shutdown_server(grpc_end2end_test_fixture *f) { + if (!f->server) return; + grpc_server_shutdown_and_notify(f->server, f->cq, tag(1000)); + GPR_ASSERT(grpc_completion_queue_pluck( + f->cq, tag(1000), GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5), NULL) + .type == GRPC_OP_COMPLETE); + grpc_server_destroy(f->server); + f->server = NULL; +} + +static void shutdown_client(grpc_end2end_test_fixture *f) { + if (!f->client) return; + grpc_channel_destroy(f->client); + f->client = NULL; +} + +static void end_test(grpc_end2end_test_fixture *f) { + shutdown_server(f); + shutdown_client(f); + + grpc_completion_queue_shutdown(f->cq); + drain_cq(f->cq); + grpc_completion_queue_destroy(f->cq); +} + +/* Request with a large amount of metadata.*/ +static void test_request(grpc_end2end_test_config config) { + grpc_call *c; + grpc_call *s; + gpr_slice request_payload_slice = gpr_slice_from_copied_string("hello world"); + grpc_byte_buffer *request_payload = + grpc_raw_byte_buffer_create(&request_payload_slice, 1); + gpr_timespec deadline = five_seconds_time(); + grpc_metadata meta; + grpc_end2end_test_fixture f = + begin_test(config, "filter_causes_close", NULL, NULL); + cq_verifier *cqv = cq_verifier_create(f.cq); + grpc_op ops[6]; + grpc_op *op; + grpc_metadata_array initial_metadata_recv; + grpc_metadata_array trailing_metadata_recv; + grpc_metadata_array request_metadata_recv; + grpc_byte_buffer *request_payload_recv = NULL; + grpc_call_details call_details; + grpc_status_code status; + grpc_call_error error; + char *details = NULL; + size_t details_capacity = 0; + + c = grpc_channel_create_call(f.client, NULL, GRPC_PROPAGATE_DEFAULTS, f.cq, + "/foo", "foo.test.google.fr", deadline, NULL); + GPR_ASSERT(c); + + grpc_metadata_array_init(&initial_metadata_recv); + grpc_metadata_array_init(&trailing_metadata_recv); + grpc_metadata_array_init(&request_metadata_recv); + grpc_call_details_init(&call_details); + + op = ops; + op->op = GRPC_OP_SEND_INITIAL_METADATA; + op->data.send_initial_metadata.count = 0; + op->data.send_initial_metadata.metadata = NULL; + op->flags = 0; + op->reserved = NULL; + op++; + op->op = GRPC_OP_SEND_MESSAGE; + op->data.send_message = request_payload; + op->flags = 0; + op->reserved = NULL; + op++; + op->op = GRPC_OP_SEND_CLOSE_FROM_CLIENT; + op->flags = 0; + op->reserved = NULL; + op++; + op->op = GRPC_OP_RECV_INITIAL_METADATA; + op->data.recv_initial_metadata = &initial_metadata_recv; + op->flags = 0; + op->reserved = NULL; + op++; + op->op = GRPC_OP_RECV_STATUS_ON_CLIENT; + op->data.recv_status_on_client.trailing_metadata = &trailing_metadata_recv; + op->data.recv_status_on_client.status = &status; + op->data.recv_status_on_client.status_details = &details; + op->data.recv_status_on_client.status_details_capacity = &details_capacity; + op->flags = 0; + op->reserved = NULL; + op++; + error = grpc_call_start_batch(c, ops, (size_t)(op - ops), tag(1), NULL); + GPR_ASSERT(GRPC_CALL_OK == error); + + error = + grpc_server_request_call(f.server, &s, &call_details, + &request_metadata_recv, f.cq, f.cq, tag(101)); + GPR_ASSERT(GRPC_CALL_OK == error); + + cq_expect_completion(cqv, tag(1), 1); + cq_verify(cqv); + + GPR_ASSERT(status == GRPC_STATUS_PERMISSION_DENIED); + GPR_ASSERT(0 == strcmp(details, "Random failure that's not preventable.")); + GPR_ASSERT(byte_buffer_eq_string(request_payload_recv, "hello world")); + GPR_ASSERT(contains_metadata(&request_metadata_recv, "key", meta.value)); + + gpr_free(details); + grpc_metadata_array_destroy(&initial_metadata_recv); + grpc_metadata_array_destroy(&trailing_metadata_recv); + grpc_metadata_array_destroy(&request_metadata_recv); + grpc_call_details_destroy(&call_details); + + grpc_call_destroy(c); + grpc_call_destroy(s); + + cq_verifier_destroy(cqv); + + grpc_byte_buffer_destroy(request_payload); + grpc_byte_buffer_destroy(request_payload_recv); + + gpr_free((char *)meta.value); + + end_test(&f); + config.tear_down_data(&f); +} + +/******************************************************************************* + * Test filter - always closes incoming requests + */ + +typedef struct { grpc_closure *recv_im_ready; } call_data; + +typedef struct { +} channel_data; + +static void recv_im_ready(grpc_exec_ctx *exec_ctx, void *arg, bool success) { + grpc_call_element *elem = arg; + call_data *calld = elem->call_data; + if (success) { + // close the stream with an error. + gpr_slice message; + grpc_transport_stream_op close_op; + memset(&close_op, 0, sizeof(close_op)); + message = + gpr_slice_from_copied_string("Random failure that's not preventable."); + grpc_transport_stream_op op; + memset(&op, 0, sizeof(op)); + grpc_transport_stream_op_add_close(&op, GRPC_STATUS_PERMISSION_DENIED, + &message); + grpc_call_next_op(exec_ctx, elem, &op); + } + calld->recv_im_ready->cb(exec_ctx, calld->recv_im_ready->cb_arg, false); +} + +static void start_transport_stream_op(grpc_exec_ctx *exec_ctx, + grpc_call_element *elem, + grpc_transport_stream_op *op) { + call_data *calld = elem->call_data; + if (op->recv_initial_metadata != NULL) { + calld->recv_im_ready = op->recv_initial_metadata_ready; + op->recv_initial_metadata_ready = grpc_closure_create(recv_im_ready, elem); + } + grpc_call_next_op(exec_ctx, elem, op); +} + +static void init_call_elem(grpc_exec_ctx *exec_ctx, grpc_call_element *elem, + grpc_call_element_args *args) {} + +static void destroy_call_elem(grpc_exec_ctx *exec_ctx, + grpc_call_element *elem) {} + +static void init_channel_elem(grpc_exec_ctx *exec_ctx, + grpc_channel_element *elem, + grpc_channel_element_args *args) {} + +static void destroy_channel_elem(grpc_exec_ctx *exec_ctx, + grpc_channel_element *elem) {} + +static const grpc_channel_filter test_filter = { + start_transport_stream_op, + grpc_channel_next_op, + sizeof(call_data), + init_call_elem, + grpc_call_stack_ignore_set_pollset, + destroy_call_elem, + sizeof(channel_data), + init_channel_elem, + destroy_channel_elem, + grpc_call_next_get_peer, + "filter_causes_close"}; + +/******************************************************************************* + * Registration + */ + +static bool maybe_add_filter(grpc_channel_stack_builder *builder, void *arg) { + if (g_enable_filter) { + return grpc_channel_stack_builder_prepend_filter(builder, &test_filter, + NULL, NULL); + } else { + return true; + } +} + +static void init_plugin(void) { + grpc_channel_init_register_stage(GRPC_SERVER_CHANNEL, 0, maybe_add_filter, + NULL); +} + +static void destroy_plugin(void) {} + +void filter_causes_close(grpc_end2end_test_config config) { + g_enable_filter = true; + test_request(config); + g_enable_filter = false; +} + +void filter_causes_close_pre_init(void) { + grpc_register_plugin(init_plugin, destroy_plugin); +} -- cgit v1.2.3