The C based gRPC (C++, Python, Ruby, Objective-C, PHP, C#)
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122 lines
4.3 KiB
122 lines
4.3 KiB
/* |
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* |
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* Copyright 2015 gRPC authors. |
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* |
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* Licensed under the Apache License, Version 2.0 (the "License"); |
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* you may not use this file except in compliance with the License. |
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* You may obtain a copy of the License at |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0 |
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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* |
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*/ |
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#ifndef GRPC_CORE_LIB_SURFACE_CALL_H |
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#define GRPC_CORE_LIB_SURFACE_CALL_H |
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#ifdef __cplusplus |
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extern "C" { |
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#endif |
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#include "src/core/lib/channel/channel_stack.h" |
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#include "src/core/lib/channel/context.h" |
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#include "src/core/lib/surface/api_trace.h" |
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#include <grpc/grpc.h> |
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#include <grpc/impl/codegen/compression_types.h> |
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typedef void (*grpc_ioreq_completion_func)(grpc_exec_ctx *exec_ctx, |
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grpc_call *call, int success, |
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void *user_data); |
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typedef struct grpc_call_create_args { |
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grpc_channel *channel; |
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grpc_call *parent_call; |
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uint32_t propagation_mask; |
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grpc_completion_queue *cq; |
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/* if not NULL, it'll be used in lieu of cq */ |
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grpc_pollset_set *pollset_set_alternative; |
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const void *server_transport_data; |
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grpc_mdelem *add_initial_metadata; |
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size_t add_initial_metadata_count; |
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grpc_millis send_deadline; |
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} grpc_call_create_args; |
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/* Create a new call based on \a args. |
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Regardless of success or failure, always returns a valid new call into *call |
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*/ |
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grpc_error *grpc_call_create(grpc_exec_ctx *exec_ctx, |
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const grpc_call_create_args *args, |
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grpc_call **call); |
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void grpc_call_set_completion_queue(grpc_exec_ctx *exec_ctx, grpc_call *call, |
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grpc_completion_queue *cq); |
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#ifndef NDEBUG |
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void grpc_call_internal_ref(grpc_call *call, const char *reason); |
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void grpc_call_internal_unref(grpc_exec_ctx *exec_ctx, grpc_call *call, |
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const char *reason); |
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#define GRPC_CALL_INTERNAL_REF(call, reason) \ |
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grpc_call_internal_ref(call, reason) |
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#define GRPC_CALL_INTERNAL_UNREF(exec_ctx, call, reason) \ |
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grpc_call_internal_unref(exec_ctx, call, reason) |
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#else |
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void grpc_call_internal_ref(grpc_call *call); |
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void grpc_call_internal_unref(grpc_exec_ctx *exec_ctx, grpc_call *call); |
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#define GRPC_CALL_INTERNAL_REF(call, reason) grpc_call_internal_ref(call) |
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#define GRPC_CALL_INTERNAL_UNREF(exec_ctx, call, reason) \ |
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grpc_call_internal_unref(exec_ctx, call) |
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#endif |
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grpc_call_stack *grpc_call_get_call_stack(grpc_call *call); |
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grpc_call_error grpc_call_start_batch_and_execute(grpc_exec_ctx *exec_ctx, |
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grpc_call *call, |
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const grpc_op *ops, |
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size_t nops, |
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grpc_closure *closure); |
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/* Given the top call_element, get the call object. */ |
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grpc_call *grpc_call_from_top_element(grpc_call_element *surface_element); |
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void grpc_call_log_batch(const char *file, int line, gpr_log_severity severity, |
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grpc_call *call, const grpc_op *ops, size_t nops, |
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void *tag); |
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/* Set a context pointer. |
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No thread safety guarantees are made wrt this value. */ |
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/* TODO(#9731): add exec_ctx to destroy */ |
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void grpc_call_context_set(grpc_call *call, grpc_context_index elem, |
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void *value, void (*destroy)(void *value)); |
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/* Get a context pointer. */ |
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void *grpc_call_context_get(grpc_call *call, grpc_context_index elem); |
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#define GRPC_CALL_LOG_BATCH(sev, call, ops, nops, tag) \ |
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if (GRPC_TRACER_ON(grpc_api_trace)) \ |
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grpc_call_log_batch(sev, call, ops, nops, tag) |
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uint8_t grpc_call_is_client(grpc_call *call); |
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/* Return an appropriate compression algorithm for the requested compression \a |
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* level in the context of \a call. */ |
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grpc_compression_algorithm grpc_call_compression_for_level( |
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grpc_call *call, grpc_compression_level level); |
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extern grpc_tracer_flag grpc_call_error_trace; |
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extern grpc_tracer_flag grpc_compression_trace; |
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#ifdef __cplusplus |
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} |
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#endif |
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#endif /* GRPC_CORE_LIB_SURFACE_CALL_H */
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