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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 <grpc/support/port_platform.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>
typedef void (*grpc_ioreq_completion_func)(grpc_call* call, int success,
void* user_data);
typedef struct grpc_call_create_args {
grpc_channel* channel;
grpc_server* server;
grpc_call* parent;
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;
grpc_millis 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(const grpc_call_create_args* args,
grpc_call** call);
void grpc_call_set_completion_queue(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_call* call, const char* reason);
#define GRPC_CALL_INTERNAL_REF(call, reason) \
grpc_call_internal_ref(call, reason)
#define GRPC_CALL_INTERNAL_UNREF(call, reason) \
grpc_call_internal_unref(call, reason)
#else
void grpc_call_internal_ref(grpc_call* call);
void grpc_call_internal_unref(grpc_call* call);
#define GRPC_CALL_INTERNAL_REF(call, reason) grpc_call_internal_ref(call)
#define GRPC_CALL_INTERNAL_UNREF(call, reason) grpc_call_internal_unref(call)
#endif
gpr_arena* grpc_call_get_arena(grpc_call* call);
grpc_call_stack* grpc_call_get_call_stack(grpc_call* call);
grpc_call_error grpc_call_start_batch_and_execute(grpc_call* call,
const grpc_op* ops,
size_t nops,
grpc_closure* closure);
/* gRPC core internal version of grpc_call_cancel that does not create
* exec_ctx. */
void grpc_call_cancel_internal(grpc_call* call);
/* 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(const 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.enabled()) grpc_call_log_batch(sev, call, ops, nops, tag)
uint8_t grpc_call_is_client(grpc_call* call);
/* Get the estimated memory size for a call BESIDES the call stack. Combined
* with the size of the call stack, it helps estimate the arena size for the
* initial call. */
size_t grpc_call_get_initial_size_estimate();
/* 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_core::TraceFlag grpc_call_error_trace;
extern grpc_core::TraceFlag grpc_compression_trace;
#endif /* GRPC_CORE_LIB_SURFACE_CALL_H */
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