src/cpp/client/channel.cc

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#include "src/cpp/client/channel.h"

#include <chrono>
#include <memory>

#include <grpc/grpc.h>
#include <grpc/grpc_security.h>
#include <grpc/support/log.h>
#include <grpc/support/slice.h>

#include "src/cpp/proto/proto_utils.h"
#include "src/cpp/stream/stream_context.h"
#include <grpc++/channel_arguments.h>
#include <grpc++/client_context.h>
#include <grpc++/config.h>
#include <grpc++/credentials.h>
#include <grpc++/impl/rpc_method.h>
#include <grpc++/status.h>
#include <google/protobuf/message.h>

namespace grpc {

Channel::Channel(const grpc::string &target, const ChannelArguments &args)
    : target_(target) {
  grpc_channel_args channel_args;
  args.SetChannelArgs(&channel_args);
  c_channel_ = grpc_channel_create(
      target_.c_str(), channel_args.num_args > 0 ? &channel_args : nullptr);
}

Channel::Channel(const grpc::string &target,
                 const std::unique_ptr<Credentials> &creds,
                 const ChannelArguments &args)
    : target_(args.GetSslTargetNameOverride().empty()
                  ? target
                  : args.GetSslTargetNameOverride()) {
  grpc_channel_args channel_args;
  args.SetChannelArgs(&channel_args);
  grpc_credentials *c_creds = creds ? creds->GetRawCreds() : nullptr;
  c_channel_ = grpc_secure_channel_create(
      c_creds, target.c_str(),
      channel_args.num_args > 0 ? &channel_args : nullptr);
}

Channel::~Channel() { grpc_channel_destroy(c_channel_); }

grpc_call *Channel::CreateCall(const RpcMethod &method, ClientContext *context,
                               CompletionQueue *cq) {
  auto c_call =
      grpc_channel_create_call(c_channel_, cq->cq(), method.name(),
                               target_.c_str(), context->RawDeadline());
  context->set_call(c_call);
  return c_call;
}

}  // namespace grpc