Line data    Source code

       1             : /*
       2             :  *
       3             :  * Copyright 2015, Google Inc.
       4             :  * All rights reserved.
       5             :  *
       6             :  * Redistribution and use in source and binary forms, with or without
       7             :  * modification, are permitted provided that the following conditions are
       8             :  * met:
       9             :  *
      10             :  *     * Redistributions of source code must retain the above copyright
      11             :  * notice, this list of conditions and the following disclaimer.
      12             :  *     * Redistributions in binary form must reproduce the above
      13             :  * copyright notice, this list of conditions and the following disclaimer
      14             :  * in the documentation and/or other materials provided with the
      15             :  * distribution.
      16             :  *     * Neither the name of Google Inc. nor the names of its
      17             :  * contributors may be used to endorse or promote products derived from
      18             :  * this software without specific prior written permission.
      19             :  *
      20             :  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
      21             :  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
      22             :  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
      23             :  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
      24             :  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
      25             :  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
      26             :  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
      27             :  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
      28             :  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
      29             :  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
      30             :  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
      31             :  *
      32             :  */
      33             : 
      34             : #include <memory>
      35             : #include <sstream>
      36             : 
      37             : #include <grpc++/channel.h>
      38             : #include <grpc++/create_channel.h>
      39             : #include <grpc++/support/channel_arguments.h>
      40             : 
      41             : #include "src/cpp/client/create_channel_internal.h"
      42             : 
      43             : namespace grpc {
      44             : class ChannelArguments;
      45             : 
      46          92 : std::shared_ptr<Channel> CreateChannel(
      47             :     const grpc::string& target,
      48             :     const std::shared_ptr<ChannelCredentials>& creds) {
      49          92 :   return CreateCustomChannel(target, creds, ChannelArguments());
      50             : }
      51             : 
      52         175 : std::shared_ptr<Channel> CreateCustomChannel(
      53             :     const grpc::string& target,
      54             :     const std::shared_ptr<ChannelCredentials>& creds,
      55             :     const ChannelArguments& args) {
      56         175 :   GrpcLibrary init_lib;  // We need to call init in case of a bad creds.
      57         350 :   ChannelArguments cp_args = args;
      58         350 :   std::ostringstream user_agent_prefix;
      59         175 :   user_agent_prefix << "grpc-c++/" << grpc_version_string();
      60             :   cp_args.SetString(GRPC_ARG_PRIMARY_USER_AGENT_STRING,
      61         175 :                     user_agent_prefix.str());
      62             :   return creds
      63         175 :              ? creds->CreateChannel(target, cp_args)
      64             :              : CreateChannelInternal("", grpc_lame_client_channel_create(
      65             :                                              NULL, GRPC_STATUS_INVALID_ARGUMENT,
      66         525 :                                              "Invalid credentials."));
      67             : }
      68             : 
      69             : }  // namespace grpc