tcp_socket_utils.cc | 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.
#include <grpc/support/port_platform.h>

#include "src/core/lib/event_engine/tcp_socket_utils.h"

#include <grpc/event_engine/event_engine.h>

#include "src/core/lib/address_utils/parse_address.h"
#include "src/core/lib/iomgr/port.h"

#ifdef GRPC_POSIX_SOCKET_UTILS_COMMON
#include <arpa/inet.h>  // IWYU pragma: keep

#ifdef GRPC_LINUX_TCP_H
#include <linux/tcp.h>
#else
#include <netinet/in.h>  // IWYU pragma: keep
#endif
#include <sys/socket.h>
#endif  //  GRPC_POSIX_SOCKET_UTILS_COMMON

#ifdef GRPC_HAVE_UNIX_SOCKET
#include <sys/stat.h>  // IWYU pragma: keep
#include <sys/un.h>
#endif

#include <errno.h>
#include <inttypes.h>
#include <stdlib.h>
#include <string.h>

#include <initializer_list>
#include <utility>

#include "absl/status/status.h"
#include "absl/strings/str_cat.h"
#include "absl/strings/str_format.h"

#include <grpc/support/log.h>

#include "src/core/lib/gprpp/host_port.h"
#include "src/core/lib/gprpp/status_helper.h"
#include "src/core/lib/iomgr/resolved_address.h"
#include "src/core/lib/uri/uri_parser.h"

namespace grpc_event_engine {
namespace experimental {

namespace {
constexpr uint8_t kV4MappedPrefix[] = …;
absl::StatusOr<std::string> GetScheme(
    const EventEngine::ResolvedAddress& resolved_address) { … }

#ifdef GRPC_HAVE_UNIX_SOCKET
absl::StatusOr<std::string> ResolvedAddrToUnixPathIfPossible(
    const EventEngine::ResolvedAddress* resolved_addr) { … }

absl::StatusOr<std::string> ResolvedAddrToUriUnixIfPossible(
    const EventEngine::ResolvedAddress* resolved_addr) { … }
#else

absl::StatusOr<std::string> ResolvedAddrToUnixPathIfPossible(
    const EventEngine::ResolvedAddress* /*resolved_addr*/) {
  return absl::InvalidArgumentError("Unix socket is not supported.");
}

absl::StatusOr<std::string> ResolvedAddrToUriUnixIfPossible(
    const EventEngine::ResolvedAddress* /*resolved_addr*/) {
  return absl::InvalidArgumentError("Unix socket is not supported.");
}
#endif

}  // namespace

bool ResolvedAddressIsV4Mapped(
    const EventEngine::ResolvedAddress& resolved_addr,
    EventEngine::ResolvedAddress* resolved_addr4_out) { … }

bool ResolvedAddressToV4Mapped(
    const EventEngine::ResolvedAddress& resolved_addr,
    EventEngine::ResolvedAddress* resolved_addr6_out) { … }

EventEngine::ResolvedAddress ResolvedAddressMakeWild6(int port) { … }

EventEngine::ResolvedAddress ResolvedAddressMakeWild4(int port) { … }

int ResolvedAddressGetPort(const EventEngine::ResolvedAddress& resolved_addr) { … }

void ResolvedAddressSetPort(EventEngine::ResolvedAddress& resolved_addr,
                            int port) { … }

absl::optional<int> ResolvedAddressIsWildcard(
    const EventEngine::ResolvedAddress& addr) { … }

absl::StatusOr<std::string> ResolvedAddressToNormalizedString(
    const EventEngine::ResolvedAddress& resolved_addr) { … }

absl::StatusOr<std::string> ResolvedAddressToString(
    const EventEngine::ResolvedAddress& resolved_addr) { … }

absl::StatusOr<std::string> ResolvedAddressToURI(
    const EventEngine::ResolvedAddress& resolved_address) { … }

absl::StatusOr<EventEngine::ResolvedAddress> URIToResolvedAddress(
    std::string address_str) { … }

}  // namespace experimental
}  // namespace grpc_event_engine
chromium/third_party/grpc/src/src/core/lib/event_engine/tcp_socket_utils.cc
