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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++/impl/client_unary_call.h>
#include <grpc++/impl/call.h>
#include <grpc++/channel_interface.h>
#include <grpc++/completion_queue.h>
#include <grpc++/status.h>
#include <grpc/support/log.h>

namespace grpc {

// Wrapper that performs a blocking unary call
Status BlockingUnaryCall(ChannelInterface *channel, const RpcMethod &method,
                         ClientContext *context,
                         const google::protobuf::Message &request,
                         google::protobuf::Message *result) {
  CompletionQueue cq;
  Call call(channel->CreateCall(method, context, &cq));
  CallOpBuffer buf;
  Status status;
  buf.AddSendInitialMetadata(context);
  buf.AddSendMessage(request);
  bool got_message;
  buf.AddRecvMessage(result, &got_message);
  buf.AddClientSendClose();
  buf.AddClientRecvStatus(nullptr, &status);  // TODO metadata
  call.PerformOps(&buf);
  GPR_ASSERT(cq.Pluck(&buf) && (got_message || !status.IsOk()));
  return status;
}

void AsyncUnaryCall(ChannelInterface *channel, const RpcMethod &method,
                    ClientContext *context,
                    const google::protobuf::Message &request,
                    google::protobuf::Message *result, Status *status,
                    CompletionQueue *cq, void *tag) {

}
}  // namespace grpc