cronet_credentials.cc

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/*
 *
 * Copyright 2016 gRPC authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 */
 
#include <grpc/grpc_cronet.h>
#include <grpcpp/channel.h>
#include <grpcpp/security/credentials.h>
#include <grpcpp/support/channel_arguments.h>
 
#include "src/cpp/client/create_channel_internal.h"
 
namespace grpc {
 
class CronetChannelCredentialsImpl final : public ChannelCredentials {
 public:
  CronetChannelCredentialsImpl(void* engine) : engine_(engine) {}
 
  std::shared_ptr<grpc::Channel> CreateChannelImpl(
      const string& target, const grpc::ChannelArguments& args) override {
    return CreateChannelWithInterceptors(
        target, args,
        std::vector<std::unique_ptr<
            experimental::ClientInterceptorFactoryInterface>>());
  }
 
  SecureChannelCredentials* AsSecureCredentials() override { return nullptr; }
 
 private:
  std::shared_ptr<grpc::Channel> CreateChannelWithInterceptors(
      const string& target, const grpc::ChannelArguments& args,
      std::vector<
          std::unique_ptr<experimental::ClientInterceptorFactoryInterface>>
          interceptor_creators) override {
    grpc_channel_args channel_args;
    args.SetChannelArgs(&channel_args);
    return CreateChannelInternal(
        "",
        grpc_cronet_secure_channel_create(engine_, target.c_str(),
                                          &channel_args, nullptr),
        std::move(interceptor_creators));
  }
  void* engine_;
};
 
std::shared_ptr<ChannelCredentials> CronetChannelCredentials(void* engine) {
  return std::shared_ptr<ChannelCredentials>(
      new grpc::CronetChannelCredentialsImpl(engine));
}
}  // namespace grpc