/*
 *
 * Copyright 2015, Google Inc.
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 * modification, are permitted provided that the following conditions are
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 *
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 * 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.
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 * 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
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#include <memory>
#include <sstream>

#include "src/cpp/client/channel.h"
#include <grpc++/channel_interface.h>
#include <grpc++/channel_arguments.h>
#include <grpc++/create_channel.h>

namespace grpc {
class ChannelArguments;

std::shared_ptr<ChannelInterface> CreateChannel(
    const grpc::string& target, const std::shared_ptr<Credentials>& creds,
    const ChannelArguments& args) {
  ChannelArguments cp_args = args;
  std::ostringstream user_agent_prefix;
  user_agent_prefix << "grpc-c++/" << grpc_version_string();
  cp_args.SetString(GRPC_ARG_PRIMARY_USER_AGENT_STRING,
                    user_agent_prefix.str());
  return creds ? creds->CreateChannel(target, cp_args)
               : std::shared_ptr<ChannelInterface>(
                     new Channel(target, grpc_lame_client_channel_create()));
}
}  // namespace grpc