100 lines
3.7 KiB
C++
100 lines
3.7 KiB
C++
/*
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*
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* Copyright 2015, Google Inc.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following disclaimer
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* in the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of Google Inc. nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#include <grpc++/async_server_context.h>
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#include <grpc/grpc.h>
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#include <grpc/support/log.h>
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#include "src/cpp/proto/proto_utils.h"
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#include <grpc++/config.h>
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#include <grpc++/status.h>
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namespace grpc {
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AsyncServerContext::AsyncServerContext(
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grpc_call* call, const grpc::string& method, const grpc::string& host,
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system_clock::time_point absolute_deadline)
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: method_(method),
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host_(host),
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absolute_deadline_(absolute_deadline),
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request_(nullptr),
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call_(call) {}
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AsyncServerContext::~AsyncServerContext() { grpc_call_destroy(call_); }
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void AsyncServerContext::Accept(grpc_completion_queue* cq) {
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GPR_ASSERT(grpc_call_server_accept_old(call_, cq, this) == GRPC_CALL_OK);
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GPR_ASSERT(grpc_call_server_end_initial_metadata_old(
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call_, GRPC_WRITE_BUFFER_HINT) == GRPC_CALL_OK);
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}
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bool AsyncServerContext::StartRead(grpc::protobuf::Message* request) {
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GPR_ASSERT(request);
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request_ = request;
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grpc_call_error err = grpc_call_start_read_old(call_, this);
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return err == GRPC_CALL_OK;
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}
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bool AsyncServerContext::StartWrite(const grpc::protobuf::Message& response,
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int flags) {
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grpc_byte_buffer* buffer = nullptr;
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GRPC_TIMER_MARK(SER_PROTO_BEGIN, call_->call());
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if (!SerializeProto(response, &buffer)) {
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return false;
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}
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GRPC_TIMER_MARK(SER_PROTO_END, call_->call());
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grpc_call_error err = grpc_call_start_write_old(call_, buffer, this, flags);
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grpc_byte_buffer_destroy(buffer);
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return err == GRPC_CALL_OK;
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}
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bool AsyncServerContext::StartWriteStatus(const Status& status) {
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grpc_call_error err = grpc_call_start_write_status_old(
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call_, static_cast<grpc_status_code>(status.code()),
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status.details().empty() ? nullptr
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: const_cast<char*>(status.details().c_str()),
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this);
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return err == GRPC_CALL_OK;
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}
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bool AsyncServerContext::ParseRead(grpc_byte_buffer* read_buffer) {
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GPR_ASSERT(request_);
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GRPC_TIMER_MARK(DESER_PROTO_BEGIN, call_->call());
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bool success = DeserializeProto(read_buffer, request_);
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GRPC_TIMER_MARK(DESER_PROTO_END, call_->call());
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request_ = nullptr;
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return success;
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}
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} // namespace grpc
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