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/*
*
* Copyright 2015 gRPC authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
#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);
#ifndef NDEBUG
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_TRACER_ON(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 grpc_tracer_flag grpc_call_error_trace;
extern grpc_tracer_flag grpc_compression_trace;
#ifdef __cplusplus
}
#endif
#endif /* GRPC_CORE_LIB_SURFACE_CALL_H */
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