chromium/third_party/grpc/src/src/core/lib/iomgr/tcp_server_utils_posix.h

//
//
// Copyright 2017 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_IOMGR_TCP_SERVER_UTILS_POSIX_H
#define GRPC_SRC_CORE_LIB_IOMGR_TCP_SERVER_UTILS_POSIX_H

#include <grpc/support/port_platform.h>

#include <memory>

#include "absl/container/flat_hash_map.h"

#include "src/core/lib/event_engine/posix.h"
#include "src/core/lib/iomgr/ev_posix.h"
#include "src/core/lib/iomgr/resolve_address.h"
#include "src/core/lib/iomgr/socket_utils_posix.h"
#include "src/core/lib/iomgr/tcp_server.h"
#include "src/core/lib/resource_quota/memory_quota.h"

// one listening port
grpc_tcp_listener;

// the overall server
struct grpc_tcp_server { … };

// If successful, add a listener to \a s for \a addr, set \a dsmode for the
// socket, and return the \a listener.
grpc_error_handle grpc_tcp_server_add_addr(grpc_tcp_server* s,
                                           const grpc_resolved_address* addr,
                                           unsigned port_index,
                                           unsigned fd_index,
                                           grpc_dualstack_mode* dsmode,
                                           grpc_tcp_listener** listener);

// Get all addresses assigned to network interfaces on the machine and create a
// listener for each. requested_port is the port to use for every listener, or 0
// to select one random port that will be used for every listener. Set *out_port
// to the port selected. Return absl::OkStatus() only if all listeners were
// added.
grpc_error_handle grpc_tcp_server_add_all_local_addrs(grpc_tcp_server* s,
                                                      unsigned port_index,
                                                      int requested_port,
                                                      int* out_port);

// Prepare a recently-created socket for listening.
grpc_error_handle grpc_tcp_server_prepare_socket(
    grpc_tcp_server*, int fd, const grpc_resolved_address* addr,
    bool so_reuseport, int* port);
// Ruturn true if the platform supports ifaddrs
bool grpc_tcp_server_have_ifaddrs(void);

#endif  // GRPC_SRC_CORE_LIB_IOMGR_TCP_SERVER_UTILS_POSIX_H