mirror of
https://github.com/dart-lang/sdk
synced 2024-10-15 01:28:05 +00:00
f98a2138b7
When uploading CLs, the presubmit checks verify that the lines in the diff are formatted correctly according to `git cl format runtime`. However, when `buildtools/<os>-<arch>/clang/bin/clang-format` is updated, it does not force reformatting of files that would be reformatted. This leads to two issues: * Inconsistent style within the code base and within a single file. * Spurious reformatting in CLs when (1) clang-format is used on the whole file, or (2) the diff lines overlap. `clang-format` doesn't change that frequently, so in general this is not a large issue, but I've seen a bit too many "spurious formatting, please revert" comments on CLs recently. This CL formats the runtime to be in line with the current pinned `clang-format`: ``` $ find runtime/ -iname *.h -o -iname *.cc | xargs buildtools/mac-arm64/clang/bin/clang-format -i ``` `git cl format` (which only formats changed lines, and does so with `clang-format`) seems to not agree with itself, or clang-format, or cpplint in a handful of places. This CL adds `// clang-format off` for these. (See previous patchsets for the specific instances.) TEST=A variety of bots including GCC, MacOS and Windows. Change-Id: I470892e898971899fda14bb3b8f2c8efefd67686 Cq-Include-Trybots: luci.dart.try:vm-gcc-linux-try,vm-ffi-qemu-linux-release-riscv64-try,vm-ffi-qemu-linux-release-arm-try,vm-aot-win-debug-x64-try,vm-win-debug-x64c-try,vm-mac-debug-x64-try,vm-mac-debug-arm64-try,vm-aot-linux-debug-x64-try Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/362780 Reviewed-by: Ryan Macnak <rmacnak@google.com> Commit-Queue: Daco Harkes <dacoharkes@google.com>
466 lines
15 KiB
C++
466 lines
15 KiB
C++
// Copyright (c) 2016, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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#include "platform/globals.h"
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#if defined(DART_HOST_OS_FUCHSIA)
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#include "bin/socket_base.h"
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#include <errno.h>
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#include <ifaddrs.h>
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#include <net/if.h>
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#include <netinet/tcp.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sys/stat.h>
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#include <unistd.h>
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#include <vector>
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#include "bin/eventhandler.h"
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#include "bin/fdutils.h"
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#include "bin/file.h"
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#include "bin/socket_base_fuchsia.h"
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#include "platform/signal_blocker.h"
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// #define SOCKET_LOG_INFO 1
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// #define SOCKET_LOG_ERROR 1
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// define SOCKET_LOG_ERROR to get log messages only for errors.
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// define SOCKET_LOG_INFO to get log messages for both information and errors.
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#if defined(SOCKET_LOG_INFO) || defined(SOCKET_LOG_ERROR)
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#define LOG_ERR(msg, ...) \
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{ \
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int err = errno; \
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Syslog::PrintErr("Dart Socket ERROR: %s:%d: " msg, __FILE__, __LINE__, \
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##__VA_ARGS__); \
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errno = err; \
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}
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#if defined(SOCKET_LOG_INFO)
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#define LOG_INFO(msg, ...) \
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Syslog::Print("Dart Socket INFO: %s:%d: " msg, __FILE__, __LINE__, \
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##__VA_ARGS__)
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#else
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#define LOG_INFO(msg, ...)
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#endif // defined(SOCKET_LOG_INFO)
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#else
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#define LOG_ERR(msg, ...)
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#define LOG_INFO(msg, ...)
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#endif // defined(SOCKET_LOG_INFO) || defined(SOCKET_LOG_ERROR)
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namespace dart {
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namespace bin {
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SocketAddress::SocketAddress(struct sockaddr* sa, bool unnamed_unix_socket) {
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// Fuchsia does not support unix domain sockets.
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if (unnamed_unix_socket) {
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FATAL("Fuchsia does not support unix domain sockets.");
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}
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ASSERT(INET6_ADDRSTRLEN >= INET_ADDRSTRLEN);
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if (!SocketBase::FormatNumericAddress(*reinterpret_cast<RawAddr*>(sa),
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as_string_, INET6_ADDRSTRLEN)) {
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as_string_[0] = 0;
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}
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socklen_t salen = GetAddrLength(*reinterpret_cast<RawAddr*>(sa));
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memmove(reinterpret_cast<void*>(&addr_), sa, salen);
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}
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bool SocketBase::Initialize() {
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// Nothing to do on Fuchsia.
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return true;
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}
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bool SocketBase::FormatNumericAddress(const RawAddr& addr,
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char* address,
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int len) {
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socklen_t salen = SocketAddress::GetAddrLength(addr);
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LOG_INFO("SocketBase::FormatNumericAddress: calling getnameinfo\n");
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return (NO_RETRY_EXPECTED(getnameinfo(&addr.addr, salen, address, len,
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nullptr, 0, NI_NUMERICHOST) == 0));
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}
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bool SocketBase::IsBindError(intptr_t error_number) {
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return error_number == EADDRINUSE || error_number == EADDRNOTAVAIL ||
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error_number == EINVAL;
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}
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intptr_t SocketBase::Available(intptr_t fd) {
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IOHandle* handle = reinterpret_cast<IOHandle*>(fd);
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return handle->AvailableBytes();
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}
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intptr_t SocketBase::Read(intptr_t fd,
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void* buffer,
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intptr_t num_bytes,
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SocketOpKind sync) {
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IOHandle* handle = reinterpret_cast<IOHandle*>(fd);
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ASSERT(handle->fd() >= 0);
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LOG_INFO("SocketBase::Read: calling read(%ld, %p, %ld)\n", handle->fd(),
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buffer, num_bytes);
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intptr_t read_bytes = handle->Read(buffer, num_bytes);
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ASSERT(EAGAIN == EWOULDBLOCK);
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if ((sync == kAsync) && (read_bytes == -1) && (errno == EWOULDBLOCK)) {
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// If the read would block we need to retry and therefore return 0
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// as the number of bytes written.
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read_bytes = 0;
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} else if (read_bytes == -1) {
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LOG_ERR("SocketBase::Read: read(%ld, %p, %ld) failed\n", handle->fd(),
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buffer, num_bytes);
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} else {
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LOG_INFO("SocketBase::Read: read(%ld, %p, %ld) succeeded\n", handle->fd(),
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buffer, num_bytes);
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}
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return read_bytes;
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}
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intptr_t SocketBase::RecvFrom(intptr_t fd,
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void* buffer,
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intptr_t num_bytes,
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RawAddr* addr,
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SocketOpKind sync) {
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errno = ENOSYS;
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return -1;
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}
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bool SocketControlMessage::is_file_descriptors_control_message() {
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return false;
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}
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intptr_t SocketBase::ReceiveMessage(intptr_t fd,
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void* buffer,
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int64_t* p_buffer_num_bytes,
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SocketControlMessage** p_messages,
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SocketOpKind sync,
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OSError* p_oserror) {
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errno = ENOSYS;
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return -1;
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}
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bool SocketBase::AvailableDatagram(intptr_t fd,
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void* buffer,
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intptr_t num_bytes) {
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return false;
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}
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intptr_t SocketBase::WriteImpl(intptr_t fd,
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const void* buffer,
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intptr_t num_bytes,
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SocketOpKind sync) {
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IOHandle* handle = reinterpret_cast<IOHandle*>(fd);
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ASSERT(handle->fd() >= 0);
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LOG_INFO("SocketBase::WriteImpl: calling write(%ld, %p, %ld)\n", handle->fd(),
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buffer, num_bytes);
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intptr_t written_bytes = handle->Write(buffer, num_bytes);
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if (written_bytes == -1 && !(sync == kAsync && errno == EWOULDBLOCK)) {
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LOG_ERR("SocketBase::WriteImpl: write(%ld, %p, %ld) failed\n", handle->fd(),
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buffer, num_bytes);
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} else {
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LOG_INFO("SocketBase::WriteImpl: write(%ld, %p, %ld) succeeded\n",
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handle->fd(), buffer, num_bytes);
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}
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return written_bytes;
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}
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intptr_t SocketBase::SendTo(intptr_t fd,
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const void* buffer,
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intptr_t num_bytes,
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const RawAddr& addr,
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SocketOpKind sync) {
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errno = ENOSYS;
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return -1;
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}
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intptr_t SocketBase::SendMessage(intptr_t fd,
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void* buffer,
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size_t num_bytes,
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SocketControlMessage* messages,
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intptr_t num_messages,
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SocketOpKind sync,
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OSError* p_oserror) {
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errno = ENOSYS;
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return -1;
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}
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bool SocketBase::GetSocketName(intptr_t fd, SocketAddress* p_sa) {
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ASSERT(fd >= 0);
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ASSERT(p_sa != nullptr);
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RawAddr raw;
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socklen_t size = sizeof(raw);
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if (NO_RETRY_EXPECTED(getsockname(fd, &raw.addr, &size))) {
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return false;
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}
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// sockaddr_un contains sa_family_t sun_family and char[] sun_path.
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// If size is the size of sa_family_t, this is an unnamed socket and
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// sun_path contains garbage.
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new (p_sa) SocketAddress(&raw.addr,
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/*unnamed_unix_socket=*/size == sizeof(sa_family_t));
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return true;
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}
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intptr_t SocketBase::GetPort(intptr_t fd) {
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IOHandle* handle = reinterpret_cast<IOHandle*>(fd);
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ASSERT(handle->fd() >= 0);
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RawAddr raw;
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socklen_t size = sizeof(raw);
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LOG_INFO("SocketBase::GetPort: calling getsockname(%ld)\n", handle->fd());
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if (NO_RETRY_EXPECTED(getsockname(handle->fd(), &raw.addr, &size))) {
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return 0;
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}
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return SocketAddress::GetAddrPort(raw);
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}
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SocketAddress* SocketBase::GetRemotePeer(intptr_t fd, intptr_t* port) {
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IOHandle* handle = reinterpret_cast<IOHandle*>(fd);
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ASSERT(handle->fd() >= 0);
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RawAddr raw;
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socklen_t size = sizeof(raw);
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if (NO_RETRY_EXPECTED(getpeername(handle->fd(), &raw.addr, &size))) {
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return nullptr;
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}
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*port = SocketAddress::GetAddrPort(raw);
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return new SocketAddress(&raw.addr);
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}
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void SocketBase::GetError(intptr_t fd, OSError* os_error) {
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IOHandle* handle = reinterpret_cast<IOHandle*>(fd);
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ASSERT(handle->fd() >= 0);
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int len = sizeof(errno);
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int err = 0;
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VOID_NO_RETRY_EXPECTED(getsockopt(handle->fd(), SOL_SOCKET, SO_ERROR, &err,
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reinterpret_cast<socklen_t*>(&len)));
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errno = err;
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os_error->SetCodeAndMessage(OSError::kSystem, errno);
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}
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int SocketBase::GetType(intptr_t fd) {
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errno = ENOSYS;
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return -1;
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}
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intptr_t SocketBase::GetStdioHandle(intptr_t num) {
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return num;
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}
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AddressList<SocketAddress>* SocketBase::LookupAddress(const char* host,
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int type,
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OSError** os_error) {
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// Perform a name lookup for a host name.
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struct addrinfo hints;
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memset(&hints, 0, sizeof(hints));
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hints.ai_family = SocketAddress::FromType(type);
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hints.ai_socktype = SOCK_STREAM;
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hints.ai_flags = AI_ADDRCONFIG;
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hints.ai_protocol = IPPROTO_TCP;
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struct addrinfo* info = nullptr;
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LOG_INFO("SocketBase::LookupAddress: calling getaddrinfo\n");
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int status = NO_RETRY_EXPECTED(getaddrinfo(host, nullptr, &hints, &info));
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if (status != 0) {
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// We failed, try without AI_ADDRCONFIG. This can happen when looking up
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// e.g. '::1', when there are no global IPv6 addresses.
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hints.ai_flags = 0;
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LOG_INFO("SocketBase::LookupAddress: calling getaddrinfo again\n");
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status = NO_RETRY_EXPECTED(getaddrinfo(host, nullptr, &hints, &info));
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if (status != 0) {
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ASSERT(*os_error == nullptr);
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*os_error =
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new OSError(status, gai_strerror(status), OSError::kGetAddressInfo);
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return nullptr;
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}
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}
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intptr_t count = 0;
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for (struct addrinfo* c = info; c != nullptr; c = c->ai_next) {
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if ((c->ai_family == AF_INET) || (c->ai_family == AF_INET6)) {
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count++;
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}
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}
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intptr_t i = 0;
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AddressList<SocketAddress>* addresses = new AddressList<SocketAddress>(count);
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for (struct addrinfo* c = info; c != nullptr; c = c->ai_next) {
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if ((c->ai_family == AF_INET) || (c->ai_family == AF_INET6)) {
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addresses->SetAt(i, new SocketAddress(c->ai_addr));
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i++;
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}
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}
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freeaddrinfo(info);
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return addresses;
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}
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bool SocketBase::ReverseLookup(const RawAddr& addr,
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char* host,
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intptr_t host_len,
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OSError** os_error) {
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errno = ENOSYS;
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return false;
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}
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bool SocketBase::ParseAddress(int type, const char* address, RawAddr* addr) {
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int result;
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if (type == SocketAddress::TYPE_IPV4) {
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result = NO_RETRY_EXPECTED(inet_pton(AF_INET, address, &addr->in.sin_addr));
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} else {
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ASSERT(type == SocketAddress::TYPE_IPV6);
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result =
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NO_RETRY_EXPECTED(inet_pton(AF_INET6, address, &addr->in6.sin6_addr));
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}
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return (result == 1);
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}
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bool SocketBase::RawAddrToString(RawAddr* addr, char* str) {
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if (addr->addr.sa_family == AF_INET) {
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return inet_ntop(AF_INET, &addr->in.sin_addr, str, INET_ADDRSTRLEN) !=
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nullptr;
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} else {
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ASSERT(addr->addr.sa_family == AF_INET6);
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return inet_ntop(AF_INET6, &addr->in6.sin6_addr, str, INET6_ADDRSTRLEN) !=
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nullptr;
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}
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}
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static bool ShouldIncludeIfaAddrs(struct ifaddrs* ifa, int lookup_family) {
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if (ifa->ifa_addr == nullptr) {
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// OpenVPN's virtual device tun0.
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return false;
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}
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int family = ifa->ifa_addr->sa_family;
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return ((lookup_family == family) ||
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(((lookup_family == AF_UNSPEC) &&
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((family == AF_INET) || (family == AF_INET6)))));
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}
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AddressList<InterfaceSocketAddress>* SocketBase::ListInterfaces(
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int type,
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OSError** os_error) {
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struct ifaddrs* ifaddr;
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int status = NO_RETRY_EXPECTED(getifaddrs(&ifaddr));
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if (status != 0) {
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ASSERT(*os_error == nullptr);
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*os_error =
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new OSError(status, gai_strerror(status), OSError::kGetAddressInfo);
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return nullptr;
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}
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int lookup_family = SocketAddress::FromType(type);
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intptr_t count = 0;
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for (struct ifaddrs* ifa = ifaddr; ifa != nullptr; ifa = ifa->ifa_next) {
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if (ShouldIncludeIfaAddrs(ifa, lookup_family)) {
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count++;
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}
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}
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AddressList<InterfaceSocketAddress>* addresses =
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new AddressList<InterfaceSocketAddress>(count);
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int i = 0;
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for (struct ifaddrs* ifa = ifaddr; ifa != nullptr; ifa = ifa->ifa_next) {
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if (ShouldIncludeIfaAddrs(ifa, lookup_family)) {
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char* ifa_name = DartUtils::ScopedCopyCString(ifa->ifa_name);
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addresses->SetAt(
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i, new InterfaceSocketAddress(ifa->ifa_addr, ifa_name,
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if_nametoindex(ifa->ifa_name)));
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i++;
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}
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}
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freeifaddrs(ifaddr);
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return addresses;
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}
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void SocketBase::Close(intptr_t fd) {
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IOHandle* handle = reinterpret_cast<IOHandle*>(fd);
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ASSERT(handle->fd() >= 0);
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NO_RETRY_EXPECTED(close(handle->fd()));
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}
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bool SocketBase::GetNoDelay(intptr_t fd, bool* enabled) {
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errno = ENOSYS;
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return false;
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}
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bool SocketBase::SetNoDelay(intptr_t fd, bool enabled) {
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IOHandle* handle = reinterpret_cast<IOHandle*>(fd);
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int on = enabled ? 1 : 0;
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return NO_RETRY_EXPECTED(setsockopt(handle->fd(), IPPROTO_TCP, TCP_NODELAY,
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reinterpret_cast<char*>(&on),
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sizeof(on))) == 0;
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}
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bool SocketBase::GetMulticastLoop(intptr_t fd,
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intptr_t protocol,
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bool* enabled) {
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errno = ENOSYS;
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return false;
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}
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bool SocketBase::SetMulticastLoop(intptr_t fd,
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intptr_t protocol,
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bool enabled) {
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errno = ENOSYS;
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return false;
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}
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bool SocketBase::GetMulticastHops(intptr_t fd, intptr_t protocol, int* value) {
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errno = ENOSYS;
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return false;
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}
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bool SocketBase::SetMulticastHops(intptr_t fd, intptr_t protocol, int value) {
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errno = ENOSYS;
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return false;
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}
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bool SocketBase::GetBroadcast(intptr_t fd, bool* enabled) {
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errno = ENOSYS;
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return false;
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}
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bool SocketBase::SetBroadcast(intptr_t fd, bool enabled) {
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errno = ENOSYS;
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return false;
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}
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bool SocketBase::SetOption(intptr_t fd,
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int level,
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int option,
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const char* data,
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int length) {
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IOHandle* handle = reinterpret_cast<IOHandle*>(fd);
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return NO_RETRY_EXPECTED(
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setsockopt(handle->fd(), level, option, data, length)) == 0;
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}
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bool SocketBase::GetOption(intptr_t fd,
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int level,
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int option,
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char* data,
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unsigned int* length) {
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IOHandle* handle = reinterpret_cast<IOHandle*>(fd);
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socklen_t optlen = static_cast<socklen_t>(*length);
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auto result =
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NO_RETRY_EXPECTED(getsockopt(handle->fd(), level, option, data, &optlen));
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*length = static_cast<unsigned int>(optlen);
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return result == 0;
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}
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bool SocketBase::JoinMulticast(intptr_t fd,
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const RawAddr& addr,
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const RawAddr&,
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int interfaceIndex) {
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errno = ENOSYS;
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return false;
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}
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bool SocketBase::LeaveMulticast(intptr_t fd,
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const RawAddr& addr,
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const RawAddr&,
|
|
int interfaceIndex) {
|
|
errno = ENOSYS;
|
|
return false;
|
|
}
|
|
|
|
} // namespace bin
|
|
} // namespace dart
|
|
|
|
#endif // defined(DART_HOST_OS_FUCHSIA)
|