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/*
*
* 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_INTERNAL_CORE_SURFACE_CALL_H
#define GRPC_INTERNAL_CORE_SURFACE_CALL_H
#include "src/core/channel/channel_stack.h"
#include "src/core/channel/context.h"
#include <grpc/grpc.h>
/* Primitive operation types - grpc_op's get rewritten into these */
typedef enum {
GRPC_IOREQ_RECV_INITIAL_METADATA,
GRPC_IOREQ_RECV_MESSAGE,
GRPC_IOREQ_RECV_TRAILING_METADATA,
GRPC_IOREQ_RECV_STATUS,
GRPC_IOREQ_RECV_STATUS_DETAILS,
GRPC_IOREQ_RECV_CLOSE,
GRPC_IOREQ_SEND_INITIAL_METADATA,
GRPC_IOREQ_SEND_MESSAGE,
GRPC_IOREQ_SEND_TRAILING_METADATA,
GRPC_IOREQ_SEND_STATUS,
GRPC_IOREQ_SEND_CLOSE,
GRPC_IOREQ_OP_COUNT
} grpc_ioreq_op;
typedef union {
grpc_metadata_array *recv_metadata;
grpc_byte_buffer **recv_message;
struct {
void (*set_value)(grpc_status_code status, void *user_data);
void *user_data;
} recv_status;
struct {
char **details;
size_t *details_capacity;
} recv_status_details;
struct {
size_t count;
grpc_metadata *metadata;
} send_metadata;
grpc_byte_buffer *send_message;
struct {
grpc_status_code code;
grpc_mdstr *details;
} send_status;
} grpc_ioreq_data;
typedef struct {
grpc_ioreq_op op;
gpr_uint32 flags; /**< A copy of the write flags from grpc_op */
grpc_ioreq_data data;
} grpc_ioreq;
typedef void (*grpc_ioreq_completion_func)(grpc_call *call, int success,
void *user_data);
grpc_call *grpc_call_create(grpc_channel *channel, grpc_completion_queue *cq,
const void *server_transport_data,
grpc_mdelem **add_initial_metadata,
size_t add_initial_metadata_count,
gpr_timespec send_deadline);
void grpc_call_set_completion_queue(grpc_call *call, grpc_completion_queue *cq);
grpc_completion_queue *grpc_call_get_completion_queue(grpc_call *call);
#ifdef GRPC_CALL_REF_COUNT_DEBUG
void grpc_call_internal_ref(grpc_call *call, const char *reason);
void grpc_call_internal_unref(grpc_call *call, const char *reason,
int allow_immediate_deletion);
#define GRPC_CALL_INTERNAL_REF(call, reason) \
grpc_call_internal_ref(call, reason)
#define GRPC_CALL_INTERNAL_UNREF(call, reason, allow_immediate_deletion) \
grpc_call_internal_unref(call, reason, allow_immediate_deletion)
#else
void grpc_call_internal_ref(grpc_call *call);
void grpc_call_internal_unref(grpc_call *call, int allow_immediate_deletion);
#define GRPC_CALL_INTERNAL_REF(call, reason) grpc_call_internal_ref(call)
#define GRPC_CALL_INTERNAL_UNREF(call, reason, allow_immediate_deletion) \
grpc_call_internal_unref(call, allow_immediate_deletion)
#endif
grpc_call_error grpc_call_start_ioreq_and_call_back(
grpc_call *call, const grpc_ioreq *reqs, size_t nreqs,
grpc_ioreq_completion_func on_complete, void *user_data);
grpc_call_stack *grpc_call_get_call_stack(grpc_call *call);
/* Given the top call_element, get the call object. */
grpc_call *grpc_call_from_top_element(grpc_call_element *surface_element);
extern int grpc_trace_batch;
void grpc_call_log_batch(char *file, int line, gpr_log_severity severity,
grpc_call *call, const grpc_op *ops, size_t nops,
void *tag);
void grpc_server_log_request_call(char *file, int line,
gpr_log_severity severity,
grpc_server *server, grpc_call **call,
grpc_call_details *details,
grpc_metadata_array *initial_metadata,
grpc_completion_queue *cq_bound_to_call,
grpc_completion_queue *cq_for_notification,
void *tag);
void grpc_server_log_shutdown(char *file, int line, gpr_log_severity severity,
grpc_server *server, grpc_completion_queue *cq,
void *tag);
/* Set a context pointer.
No thread safety guarantees are made wrt this value. */
void grpc_call_context_set(grpc_call *call, grpc_context_index elem,
void *value, void (*destroy)(void *value));
/* Get a context pointer. */
void *grpc_call_context_get(grpc_call *call, grpc_context_index elem);
#define GRPC_CALL_LOG_BATCH(sev, call, ops, nops, tag) \
if (grpc_trace_batch) grpc_call_log_batch(sev, call, ops, nops, tag)
#define GRPC_SERVER_LOG_REQUEST_CALL(sev, server, call, details, \
initial_metadata, cq_bound_to_call, \
cq_for_notifications, tag) \
if (grpc_trace_batch) \
grpc_server_log_request_call(sev, server, call, details, initial_metadata, \
cq_bound_to_call, cq_for_notifications, tag)
#define GRPC_SERVER_LOG_SHUTDOWN(sev, server, cq, tag) \
if (grpc_trace_batch) grpc_server_log_shutdown(sev, server, cq, tag)
gpr_uint8 grpc_call_is_client(grpc_call *call);
#endif /* GRPC_INTERNAL_CORE_SURFACE_CALL_H */
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