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Diffstat (limited to 'src/cpp/server/async_server_context.cc')
-rw-r--r-- | src/cpp/server/async_server_context.cc | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/src/cpp/server/async_server_context.cc b/src/cpp/server/async_server_context.cc new file mode 100644 index 0000000000..b231f4b0cf --- /dev/null +++ b/src/cpp/server/async_server_context.cc @@ -0,0 +1,101 @@ +/* + * + * 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 |