65 lines
2.5 KiB
C++
65 lines
2.5 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++/impl/client_unary_call.h>
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#include <grpc++/impl/call.h>
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#include <grpc++/channel_interface.h>
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#include <grpc++/client_context.h>
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#include <grpc++/completion_queue.h>
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#include <grpc++/status.h>
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#include <grpc/support/log.h>
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namespace grpc {
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// Wrapper that performs a blocking unary call
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Status BlockingUnaryCall(ChannelInterface* channel, const RpcMethod& method,
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ClientContext* context,
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const grpc::protobuf::Message& request,
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grpc::protobuf::Message* result) {
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CompletionQueue cq;
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Call call(channel->CreateCall(method, context, &cq));
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CallOpBuffer buf;
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Status status;
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buf.AddSendInitialMetadata(context);
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buf.AddSendMessage(request);
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buf.AddRecvInitialMetadata(context);
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buf.AddRecvMessage(result);
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buf.AddClientSendClose();
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buf.AddClientRecvStatus(context, &status);
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call.PerformOps(&buf);
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GPR_ASSERT((cq.Pluck(&buf) && buf.got_message) || !status.ok());
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return status;
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}
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} // namespace grpc
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