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/*
*
* Copyright 2014, Google Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
#include <grpc++/async_server_context.h>
#include <grpc/grpc.h>
#include <grpc/support/log.h>
#include "src/cpp/proto/proto_utils.h"
#include <google/protobuf/message.h>
#include <grpc++/status.h>
namespace grpc {
AsyncServerContext::AsyncServerContext(
grpc_call* call, const grpc::string& method, const grpc::string& host,
system_clock::time_point absolute_deadline)
: method_(method),
host_(host),
absolute_deadline_(absolute_deadline),
request_(nullptr),
call_(call) {
}
AsyncServerContext::~AsyncServerContext() { grpc_call_destroy(call_); }
void AsyncServerContext::Accept(grpc_completion_queue* cq) {
grpc_call_accept(call_, cq, this, 0);
}
bool AsyncServerContext::StartRead(google::protobuf::Message* request) {
GPR_ASSERT(request);
request_ = request;
grpc_call_error err = grpc_call_start_read(call_, this);
return err == GRPC_CALL_OK;
}
bool AsyncServerContext::StartWrite(const google::protobuf::Message& response,
int flags) {
grpc_byte_buffer* buffer = nullptr;
if (!SerializeProto(response, &buffer)) {
return false;
}
grpc_call_error err = grpc_call_start_write(call_, buffer, this, flags);
grpc_byte_buffer_destroy(buffer);
return err == GRPC_CALL_OK;
}
namespace {
grpc_status TranslateStatus(const Status& status) {
grpc_status c_status;
// TODO(yangg)
c_status.code = GRPC_STATUS_OK;
c_status.details = nullptr;
return c_status;
}
} // namespace
bool AsyncServerContext::StartWriteStatus(const Status& status) {
grpc_status c_status = TranslateStatus(status);
grpc_call_error err = grpc_call_start_write_status(call_, c_status, this);
return err == GRPC_CALL_OK;
}
bool AsyncServerContext::ParseRead(grpc_byte_buffer* read_buffer) {
GPR_ASSERT(request_);
bool success = DeserializeProto(read_buffer, request_);
request_ = nullptr;
return success;
}
} // namespace grpc
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