mirror of
https://github.com/dart-lang/sdk
synced 2024-09-20 00:01:59 +00:00
32e5ef787d
This change adds support for non-detached processes spawned with Process.run and Process.start (but not Process.runSync). R=rmacnak@google.com Review-Url: https://codereview.chromium.org/2563463002 .
540 lines
16 KiB
C++
540 lines
16 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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#if !defined(DART_IO_DISABLED)
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#include "platform/globals.h"
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#if defined(TARGET_OS_FUCHSIA)
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#include "bin/socket.h"
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#include "bin/socket_fuchsia.h"
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#include <errno.h> // NOLINT
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#include <fcntl.h> // NOLINT
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#include <ifaddrs.h> // NOLINT
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#include <net/if.h> // NOLINT
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#include <netinet/tcp.h> // NOLINT
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#include <stdio.h> // NOLINT
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#include <stdlib.h> // NOLINT
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#include <string.h> // NOLINT
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#include <sys/ioctl.h> // NOLINT
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#include <sys/stat.h> // NOLINT
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#include <unistd.h> // NOLINT
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#include "bin/fdutils.h"
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#include "bin/file.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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Log::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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Log::Print("Dart Socket INFO: %s:%d: " msg, __FILE__, __LINE__, ##__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) {
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ASSERT(INET6_ADDRSTRLEN >= INET_ADDRSTRLEN);
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if (!Socket::FormatNumericAddress(*reinterpret_cast<RawAddr*>(sa), as_string_,
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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 Socket::FormatNumericAddress(const RawAddr& addr, char* address, int len) {
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socklen_t salen = SocketAddress::GetAddrLength(addr);
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LOG_INFO("Socket::FormatNumericAddress: calling getnameinfo\n");
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return (NO_RETRY_EXPECTED(getnameinfo(&addr.addr, salen, address, len, NULL,
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0, NI_NUMERICHOST) == 0));
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}
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bool Socket::Initialize() {
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// Nothing to do on Fuchsia.
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return true;
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}
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static intptr_t Create(const RawAddr& addr) {
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LOG_INFO("Create: calling socket(SOCK_STREAM)\n");
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intptr_t fd = NO_RETRY_EXPECTED(socket(addr.ss.ss_family, SOCK_STREAM, 0));
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if (fd < 0) {
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LOG_ERR("Create: socket(SOCK_STREAM) failed\n");
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return -1;
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}
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LOG_INFO("Create: socket(SOCK_STREAM) -> fd %ld\n", fd);
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if (!FDUtils::SetCloseOnExec(fd)) {
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LOG_ERR("Create: FDUtils::SetCloseOnExec(%ld) failed\n", fd);
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FDUtils::SaveErrorAndClose(fd);
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return -1;
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}
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return fd;
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}
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static intptr_t Connect(intptr_t fd, const RawAddr& addr) {
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LOG_INFO("Connect: calling connect(%ld)\n", fd);
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intptr_t result = NO_RETRY_EXPECTED(
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connect(fd, &addr.addr, SocketAddress::GetAddrLength(addr)));
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if ((result == 0) || (errno == EINPROGRESS)) {
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return fd;
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}
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LOG_ERR("Connect: connect(%ld) failed\n", fd);
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FDUtils::SaveErrorAndClose(fd);
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return -1;
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}
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intptr_t Socket::CreateConnect(const RawAddr& addr) {
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intptr_t fd = Create(addr);
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if (fd < 0) {
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return fd;
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}
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if (!FDUtils::SetNonBlocking(fd)) {
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LOG_ERR("CreateConnect: FDUtils::SetNonBlocking(%ld) failed\n", fd);
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FDUtils::SaveErrorAndClose(fd);
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return -1;
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}
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return Connect(fd, addr);
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}
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intptr_t Socket::CreateBindConnect(const RawAddr& addr,
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const RawAddr& source_addr) {
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LOG_ERR("Socket::CreateBindConnect is unimplemented\n");
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UNIMPLEMENTED();
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return -1;
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}
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bool Socket::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 Socket::Available(intptr_t fd) {
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intptr_t available = FDUtils::AvailableBytes(fd);
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LOG_INFO("Socket::Available(%ld) = %ld\n", fd, available);
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return available;
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}
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intptr_t Socket::Read(intptr_t fd, void* buffer, intptr_t num_bytes) {
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ASSERT(fd >= 0);
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LOG_INFO("Socket::Read: calling read(%ld, %p, %ld)\n", fd, buffer, num_bytes);
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ssize_t read_bytes = NO_RETRY_EXPECTED(read(fd, buffer, num_bytes));
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ASSERT(EAGAIN == EWOULDBLOCK);
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if ((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("Socket::Read: read(%ld, %p, %ld) failed\n", fd, buffer, num_bytes);
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} else {
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LOG_INFO("Socket::Read: read(%ld, %p, %ld) succeeded\n", fd, buffer,
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num_bytes);
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}
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return read_bytes;
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}
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intptr_t Socket::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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LOG_ERR("Socket::RecvFrom is unimplemented\n");
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UNIMPLEMENTED();
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return -1;
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}
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intptr_t Socket::Write(intptr_t fd, const void* buffer, intptr_t num_bytes) {
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ASSERT(fd >= 0);
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LOG_INFO("Socket::Write: calling write(%ld, %p, %ld)\n", fd, buffer,
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num_bytes);
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ssize_t written_bytes = NO_RETRY_EXPECTED(write(fd, buffer, num_bytes));
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ASSERT(EAGAIN == EWOULDBLOCK);
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if ((written_bytes == -1) && (errno == EWOULDBLOCK)) {
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// If the would block we need to retry and therefore return 0 as
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// the number of bytes written.
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written_bytes = 0;
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} else if (written_bytes == -1) {
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LOG_ERR("Socket::Write: write(%ld, %p, %ld) failed\n", fd, buffer,
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num_bytes);
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} else {
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LOG_INFO("Socket::Write: write(%ld, %p, %ld) succeeded\n", fd, buffer,
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num_bytes);
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}
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return written_bytes;
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}
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intptr_t Socket::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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LOG_ERR("Socket::SendTo is unimplemented\n");
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UNIMPLEMENTED();
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return -1;
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}
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intptr_t Socket::GetPort(intptr_t fd) {
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ASSERT(fd >= 0);
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RawAddr raw;
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socklen_t size = sizeof(raw);
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LOG_INFO("Socket::GetPort: calling getsockname(%ld)\n", fd);
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if (NO_RETRY_EXPECTED(getsockname(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* Socket::GetRemotePeer(intptr_t fd, intptr_t* port) {
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ASSERT(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(fd, &raw.addr, &size))) {
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return NULL;
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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 Socket::GetError(intptr_t fd, OSError* os_error) {
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LOG_ERR("Socket::GetError is unimplemented\n");
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UNIMPLEMENTED();
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}
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int Socket::GetType(intptr_t fd) {
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LOG_ERR("Socket::GetType is unimplemented\n");
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UNIMPLEMENTED();
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return File::kOther;
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}
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intptr_t Socket::GetStdioHandle(intptr_t num) {
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LOG_ERR("Socket::GetStdioHandle is unimplemented\n");
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UNIMPLEMENTED();
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return num;
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}
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AddressList<SocketAddress>* Socket::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 = NULL;
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LOG_INFO("Socket::LookupAddress: calling getaddrinfo\n");
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int status = NO_RETRY_EXPECTED(getaddrinfo(host, 0, &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("Socket::LookupAddress: calling getaddrinfo again\n");
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status = NO_RETRY_EXPECTED(getaddrinfo(host, 0, &hints, &info));
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if (status != 0) {
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ASSERT(*os_error == NULL);
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*os_error =
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new OSError(status, gai_strerror(status), OSError::kGetAddressInfo);
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return NULL;
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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 != NULL; 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 != NULL; 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 Socket::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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LOG_ERR("Socket::ReverseLookup is unimplemented\n");
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UNIMPLEMENTED();
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return false;
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}
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bool Socket::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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intptr_t Socket::CreateBindDatagram(const RawAddr& addr, bool reuseAddress) {
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LOG_ERR("Socket::CreateBindDatagram is unimplemented\n");
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UNIMPLEMENTED();
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return -1;
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}
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bool Socket::ListInterfacesSupported() {
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return false;
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}
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AddressList<InterfaceSocketAddress>* Socket::ListInterfaces(
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int type,
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OSError** os_error) {
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UNIMPLEMENTED();
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return NULL;
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}
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intptr_t ServerSocket::CreateBindListen(const RawAddr& addr,
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intptr_t backlog,
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bool v6_only) {
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LOG_INFO("ServerSocket::CreateBindListen: calling socket(SOCK_STREAM)\n");
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intptr_t fd = NO_RETRY_EXPECTED(socket(addr.ss.ss_family, SOCK_STREAM, 0));
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if (fd < 0) {
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LOG_ERR("ServerSocket::CreateBindListen: socket() failed\n");
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return -1;
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}
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LOG_INFO("ServerSocket::CreateBindListen: socket(SOCK_STREAM) -> %ld\n", fd);
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if (!FDUtils::SetCloseOnExec(fd)) {
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LOG_ERR("ServerSocket::CreateBindListen: SetCloseOnExec(%ld) failed\n", fd);
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FDUtils::SaveErrorAndClose(fd);
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return -1;
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}
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LOG_INFO("ServerSocket::CreateBindListen: calling setsockopt(%ld)\n", fd);
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int optval = 1;
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VOID_NO_RETRY_EXPECTED(
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setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, &optval, sizeof(optval)));
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if (addr.ss.ss_family == AF_INET6) {
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optval = v6_only ? 1 : 0;
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LOG_INFO("ServerSocket::CreateBindListen: calling setsockopt(%ld)\n", fd);
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VOID_NO_RETRY_EXPECTED(
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setsockopt(fd, IPPROTO_IPV6, IPV6_V6ONLY, &optval, sizeof(optval)));
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}
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LOG_INFO("ServerSocket::CreateBindListen: calling bind(%ld)\n", fd);
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if (NO_RETRY_EXPECTED(
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bind(fd, &addr.addr, SocketAddress::GetAddrLength(addr))) < 0) {
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LOG_ERR("ServerSocket::CreateBindListen: bind(%ld) failed\n", fd);
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FDUtils::SaveErrorAndClose(fd);
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return -1;
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}
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LOG_INFO("ServerSocket::CreateBindListen: bind(%ld) succeeded\n", fd);
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// Test for invalid socket port 65535 (some browsers disallow it).
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if ((SocketAddress::GetAddrPort(addr) == 0) &&
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(Socket::GetPort(fd) == 65535)) {
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// Don't close the socket until we have created a new socket, ensuring
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// that we do not get the bad port number again.
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intptr_t new_fd = CreateBindListen(addr, backlog, v6_only);
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FDUtils::SaveErrorAndClose(fd);
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return new_fd;
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}
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LOG_INFO("ServerSocket::CreateBindListen: calling listen(%ld)\n", fd);
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if (NO_RETRY_EXPECTED(listen(fd, backlog > 0 ? backlog : SOMAXCONN)) != 0) {
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LOG_ERR("ServerSocket::CreateBindListen: listen failed(%ld)\n", fd);
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FDUtils::SaveErrorAndClose(fd);
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return -1;
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}
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LOG_INFO("ServerSocket::CreateBindListen: listen(%ld) succeeded\n", fd);
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if (!FDUtils::SetNonBlocking(fd)) {
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LOG_ERR("CreateBindListen: FDUtils::SetNonBlocking(%ld) failed\n", fd);
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FDUtils::SaveErrorAndClose(fd);
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return -1;
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}
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return fd;
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}
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bool ServerSocket::StartAccept(intptr_t fd) {
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USE(fd);
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return true;
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}
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static bool IsTemporaryAcceptError(int error) {
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// On Linux a number of protocol errors should be treated as EAGAIN.
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// These are the ones for TCP/IP.
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return (error == EAGAIN) || (error == ENETDOWN) || (error == EPROTO) ||
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(error == ENOPROTOOPT) || (error == EHOSTDOWN) || (error == ENONET) ||
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(error == EHOSTUNREACH) || (error == EOPNOTSUPP) ||
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(error == ENETUNREACH);
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}
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intptr_t ServerSocket::Accept(intptr_t fd) {
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intptr_t socket;
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struct sockaddr clientaddr;
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socklen_t addrlen = sizeof(clientaddr);
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LOG_INFO("ServerSocket::Accept: calling accept(%ld)\n", fd);
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socket = NO_RETRY_EXPECTED(accept(fd, &clientaddr, &addrlen));
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if (socket == -1) {
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if (IsTemporaryAcceptError(errno)) {
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// We need to signal to the caller that this is actually not an
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// error. We got woken up from the poll on the listening socket,
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// but there is no connection ready to be accepted.
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ASSERT(kTemporaryFailure != -1);
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socket = kTemporaryFailure;
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} else {
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LOG_ERR("ServerSocket::Accept: accept(%ld) failed\n", fd);
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}
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} else {
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LOG_INFO("ServerSocket::Accept: accept(%ld) -> socket %ld\n", fd, socket);
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if (!FDUtils::SetCloseOnExec(socket)) {
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LOG_ERR("FDUtils::SetCloseOnExec(%ld) failed\n", socket);
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FDUtils::SaveErrorAndClose(socket);
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return -1;
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}
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if (!FDUtils::SetNonBlocking(socket)) {
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LOG_ERR("FDUtils::SetNonBlocking(%ld) failed\n", socket);
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FDUtils::SaveErrorAndClose(socket);
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return -1;
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}
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}
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return socket;
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}
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void Socket::Close(intptr_t fd) {
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ASSERT(fd >= 0);
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NO_RETRY_EXPECTED(close(fd));
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}
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bool Socket::GetNoDelay(intptr_t fd, bool* enabled) {
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LOG_ERR("Socket::GetNoDelay is unimplemented\n");
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UNIMPLEMENTED();
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return false;
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}
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bool Socket::SetNoDelay(intptr_t fd, bool enabled) {
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int on = enabled ? 1 : 0;
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return NO_RETRY_EXPECTED(setsockopt(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 Socket::GetMulticastLoop(intptr_t fd, intptr_t protocol, bool* enabled) {
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LOG_ERR("Socket::GetMulticastLoop is unimplemented\n");
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UNIMPLEMENTED();
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return false;
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}
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bool Socket::SetMulticastLoop(intptr_t fd, intptr_t protocol, bool enabled) {
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|
LOG_ERR("Socket::SetMulticastLoop is unimplemented\n");
|
|
UNIMPLEMENTED();
|
|
return false;
|
|
}
|
|
|
|
|
|
bool Socket::GetMulticastHops(intptr_t fd, intptr_t protocol, int* value) {
|
|
LOG_ERR("Socket::GetMulticastHops is unimplemented\n");
|
|
UNIMPLEMENTED();
|
|
return false;
|
|
}
|
|
|
|
|
|
bool Socket::SetMulticastHops(intptr_t fd, intptr_t protocol, int value) {
|
|
LOG_ERR("Socket::SetMulticastHops is unimplemented\n");
|
|
UNIMPLEMENTED();
|
|
return false;
|
|
}
|
|
|
|
|
|
bool Socket::GetBroadcast(intptr_t fd, bool* enabled) {
|
|
LOG_ERR("Socket::GetBroadcast is unimplemented\n");
|
|
UNIMPLEMENTED();
|
|
return false;
|
|
}
|
|
|
|
|
|
bool Socket::SetBroadcast(intptr_t fd, bool enabled) {
|
|
LOG_ERR("Socket::SetBroadcast is unimplemented\n");
|
|
UNIMPLEMENTED();
|
|
return false;
|
|
}
|
|
|
|
|
|
bool Socket::JoinMulticast(intptr_t fd,
|
|
const RawAddr& addr,
|
|
const RawAddr&,
|
|
int interfaceIndex) {
|
|
LOG_ERR("Socket::JoinMulticast is unimplemented\n");
|
|
UNIMPLEMENTED();
|
|
return false;
|
|
}
|
|
|
|
|
|
bool Socket::LeaveMulticast(intptr_t fd,
|
|
const RawAddr& addr,
|
|
const RawAddr&,
|
|
int interfaceIndex) {
|
|
LOG_ERR("Socket::LeaveMulticast is unimplemented\n");
|
|
UNIMPLEMENTED();
|
|
return false;
|
|
}
|
|
|
|
} // namespace bin
|
|
} // namespace dart
|
|
|
|
#endif // defined(TARGET_OS_FUCHSIA)
|
|
|
|
#endif // !defined(DART_IO_DISABLED)
|