text: /*
   *
   * Copyright 2015, 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 "src/core/ext/filters/client_channel/client_channel_factory.h"
  
  void grpc_client_channel_factory_ref(grpc_client_channel_factory* factory) {
    factory->vtable->ref(factory);
  }
  
  void grpc_client_channel_factory_unref(grpc_exec_ctx* exec_ctx,
                                         grpc_client_channel_factory* factory) {
    factory->vtable->unref(exec_ctx, factory);
  }
  
  grpc_subchannel* grpc_client_channel_factory_create_subchannel(
      grpc_exec_ctx* exec_ctx, grpc_client_channel_factory* factory,
      const grpc_subchannel_args* args) {
    return factory->vtable->create_subchannel(exec_ctx, factory, args);
  }
  
  grpc_channel* grpc_client_channel_factory_create_channel(
      grpc_exec_ctx* exec_ctx, grpc_client_channel_factory* factory,
      const char* target, grpc_client_channel_type type,
      const grpc_channel_args* args) {
    return factory->vtable->create_client_channel(exec_ctx, factory, target, type,
                                                  args);
  }
  
  static void* factory_arg_copy(void* factory) {
    grpc_client_channel_factory_ref(factory);
    return factory;
  }
  
  static void factory_arg_destroy(grpc_exec_ctx* exec_ctx, void* factory) {
    // TODO(roth): Remove local exec_ctx when
    // https://github.com/grpc/grpc/pull/8705 is merged.
    grpc_client_channel_factory_unref(exec_ctx, factory);
  }
  
  static int factory_arg_cmp(void* factory1, void* factory2) {
    if (factory1 < factory2) return -1;
    if (factory1 > factory2) return 1;
    return 0;
  }
  
  static const grpc_arg_pointer_vtable factory_arg_vtable = {
      factory_arg_copy, factory_arg_destroy, factory_arg_cmp};
  
  grpc_arg grpc_client_channel_factory_create_channel_arg(
      grpc_client_channel_factory* factory) {
    grpc_arg arg;
    arg.type = GRPC_ARG_POINTER;
    arg.key = GRPC_ARG_CLIENT_CHANNEL_FACTORY;
    arg.value.pointer.p = factory;
    arg.value.pointer.vtable = &factory_arg_vtable;
    return arg;
  }
  