posix_engine_listener.h | Explore in Territory

// Copyright 2022 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.
#ifndef GRPC_SRC_CORE_LIB_EVENT_ENGINE_POSIX_ENGINE_POSIX_ENGINE_LISTENER_H
#define GRPC_SRC_CORE_LIB_EVENT_ENGINE_POSIX_ENGINE_POSIX_ENGINE_LISTENER_H

#include <grpc/support/port_platform.h>

#include <string.h>

#include <atomic>
#include <list>
#include <memory>
#include <string>
#include <utility>

#include "absl/base/thread_annotations.h"
#include "absl/functional/any_invocable.h"
#include "absl/status/status.h"
#include "absl/status/statusor.h"
#include "absl/synchronization/mutex.h"

#include <grpc/event_engine/endpoint_config.h>
#include <grpc/event_engine/event_engine.h>
#include <grpc/event_engine/memory_allocator.h>
#include <grpc/event_engine/slice_buffer.h>

#include "src/core/lib/event_engine/posix.h"
#include "src/core/lib/iomgr/port.h"

#ifdef GRPC_POSIX_SOCKET_TCP
#include "src/core/lib/event_engine/posix_engine/event_poller.h"
#include "src/core/lib/event_engine/posix_engine/posix_engine_closure.h"
#include "src/core/lib/event_engine/posix_engine/posix_engine_listener_utils.h"
#include "src/core/lib/event_engine/posix_engine/tcp_socket_utils.h"
#include "src/core/lib/event_engine/tcp_socket_utils.h"
#endif

namespace grpc_event_engine {
namespace experimental {

#ifdef GRPC_POSIX_SOCKET_TCP
class PosixEngineListenerImpl
    : public std::enable_shared_from_this<PosixEngineListenerImpl> { … };

class PosixEngineListener : public PosixListenerWithFdSupport { … };

#else  // GRPC_POSIX_SOCKET_TCP

#include "src/core/lib/gprpp/crash.h"

class PosixEngineListener : public PosixListenerWithFdSupport {
 public:
  PosixEngineListener() = default;
  ~PosixEngineListener() override = default;
  absl::StatusOr<int> Bind(const grpc_event_engine::experimental::EventEngine::
                               ResolvedAddress& /*addr*/) override {
    grpc_core::Crash(
        "EventEngine::Listener::Bind not supported on this platform");
  }
  absl::Status Start() override {
    grpc_core::Crash(
        "EventEngine::Listener::Start not supported on this platform");
  }
  absl::StatusOr<int> BindWithFd(
      const EventEngine::ResolvedAddress& /*addr*/,
      PosixListenerWithFdSupport::OnPosixBindNewFdCallback
      /*on_bind_new_fd*/) override {
    grpc_core::Crash(
        "PosixEngineListener::BindWithFd not supported on this "
        "platform");
  }
  absl::Status HandleExternalConnection(
      int /*listener_fd*/, int /*fd*/, SliceBuffer* /*pending_data*/) override {
    grpc_core::Crash(
        "PosixEngineListener::HandleExternalConnection not "
        "supported on this platform");
  }
  void ShutdownListeningFds() override {
    grpc_core::Crash(
        "PosixEngineListener::ShutdownListeningFds not supported on "
        "this platform");
  }
};

#endif

}  // namespace experimental
}  // namespace grpc_event_engine
#endif  // GRPC_SRC_CORE_LIB_EVENT_ENGINE_POSIX_ENGINE_POSIX_ENGINE_LISTENER_H
chromium/third_party/grpc/src/src/core/lib/event_engine/posix_engine/posix_engine_listener.h
