blob: f7d06c65e64e462ff365b0fe5fe4af12c93fef75 [file] [log] [blame]
* 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
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* See the License for the specific language governing permissions and
* limitations under the License.
#include <grpc/support/port_platform.h>
#include <stddef.h>
#include <stdint.h>
#include "absl/types/optional.h"
#include <grpc/impl/codegen/compression_types.h>
#include <grpc/impl/codegen/grpc_types.h>
#include <grpc/support/log.h>
#include "src/core/lib/channel/channel_fwd.h"
#include "src/core/lib/channel/context.h"
#include "src/core/lib/debug/trace.h"
#include "src/core/lib/gprpp/ref_counted_ptr.h"
#include "src/core/lib/gprpp/time.h"
#include "src/core/lib/iomgr/closure.h"
#include "src/core/lib/iomgr/error.h"
#include "src/core/lib/iomgr/iomgr_fwd.h"
#include "src/core/lib/resource_quota/arena.h"
#include "src/core/lib/slice/slice.h"
#include "src/core/lib/surface/api_trace.h"
#include "src/core/lib/surface/channel.h"
#include "src/core/lib/surface/server.h"
typedef void (*grpc_ioreq_completion_func)(grpc_call* call, int success,
void* user_data);
typedef struct grpc_call_create_args {
grpc_core::RefCountedPtr<grpc_core::Channel> channel;
grpc_core::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;
absl::optional<grpc_core::Slice> path;
absl::optional<grpc_core::Slice> authority;
grpc_core::Timestamp 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_handle grpc_call_create(grpc_call_create_args* args,
grpc_call** call);
void grpc_call_set_completion_queue(grpc_call* call, grpc_completion_queue* cq);
grpc_core::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,
const grpc_op* ops, size_t nops);
/* 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, ops, nops) \
do { \
if (GRPC_TRACE_FLAG_ENABLED(grpc_api_trace)) { \
grpc_call_log_batch(sev, ops, nops); \
} \
} while (0)
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);
/* Did this client call receive a trailers-only response */
/* TODO(markdroth): This is currently available only to the C++ API.
Move to surface API if requested by other languages. */
bool grpc_call_is_trailers_only(const grpc_call* call);
extern grpc_core::TraceFlag grpc_call_error_trace;
extern grpc_core::TraceFlag grpc_compression_trace;