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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_CORE_LIB_SURFACE_CALL_H
#define GRPC_CORE_LIB_SURFACE_CALL_H
#include "src/core/lib/channel/channel_stack.h"
#include "src/core/lib/channel/context.h"
#include "src/core/lib/surface/api_trace.h"
#include <grpc/grpc.h>
#include <grpc/impl/codegen/compression_types.h>
#ifdef __cplusplus
extern "C" {
#endif
typedef void (*grpc_ioreq_completion_func)(grpc_exec_ctx *exec_ctx,
grpc_call *call, int success,
void *user_data);
typedef struct grpc_call_create_args {
grpc_channel *channel;
grpc_call *parent_call;
uint32_t propagation_mask;
grpc_completion_queue *cq;
/* if not NULL, it'll be used in lieu of cq */
grpc_pollset_set *pollset_set_alternative;
const void *server_transport_data;
grpc_mdelem *add_initial_metadata;
size_t add_initial_metadata_count;
gpr_timespec send_deadline;
} grpc_call_create_args;
/* Create a new call based on \a args.
Regardless of success or failure, always returns a valid new call into *call
*/
grpc_error *grpc_call_create(grpc_exec_ctx *exec_ctx,
const grpc_call_create_args *args,
grpc_call **call);
void grpc_call_set_completion_queue(grpc_exec_ctx *exec_ctx, grpc_call *call,
grpc_completion_queue *cq);
#ifdef GRPC_STREAM_REFCOUNT_DEBUG
void grpc_call_internal_ref(grpc_call *call, const char *reason);
void grpc_call_internal_unref(grpc_exec_ctx *exec_ctx, grpc_call *call,
const char *reason);
#define GRPC_CALL_INTERNAL_REF(call, reason) \
grpc_call_internal_ref(call, reason)
#define GRPC_CALL_INTERNAL_UNREF(exec_ctx, call, reason) \
grpc_call_internal_unref(exec_ctx, call, reason)
#else
void grpc_call_internal_ref(grpc_call *call);
void grpc_call_internal_unref(grpc_exec_ctx *exec_ctx, grpc_call *call);
#define GRPC_CALL_INTERNAL_REF(call, reason) grpc_call_internal_ref(call)
#define GRPC_CALL_INTERNAL_UNREF(exec_ctx, call, reason) \
grpc_call_internal_unref(exec_ctx, call)
#endif
grpc_call_stack *grpc_call_get_call_stack(grpc_call *call);
grpc_call_error grpc_call_start_batch_and_execute(grpc_exec_ctx *exec_ctx,
grpc_call *call,
const grpc_op *ops,
size_t nops,
grpc_closure *closure);
/* Given the top call_element, get the call object. */
grpc_call *grpc_call_from_top_element(grpc_call_element *surface_element);
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);
/* Set a context pointer.
No thread safety guarantees are made wrt this value. */
/* TODO(#9731): add exec_ctx to destroy */
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_api_trace) grpc_call_log_batch(sev, call, ops, nops, tag)
uint8_t grpc_call_is_client(grpc_call *call);
/* Return an appropriate compression algorithm for the requested compression \a
* level in the context of \a call. */
grpc_compression_algorithm grpc_call_compression_for_level(
grpc_call *call, grpc_compression_level level);
extern int grpc_call_error_trace;
#ifdef __cplusplus
}
#endif
#endif /* GRPC_CORE_LIB_SURFACE_CALL_H */
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