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| 1 // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file | |
| 2 // for details. All rights reserved. Use of this source code is governed by a | |
| 3 // BSD-style license that can be found in the LICENSE file. | |
| 4 | |
| 5 #if !defined(DART_IO_DISABLED) | |
| 6 | |
| 7 #include "platform/globals.h" | |
| 8 #if defined(HOST_OS_WINDOWS) | |
| 9 | |
| 10 #include "bin/socket.h" | |
| 11 #include "bin/socket_win.h" | |
| 12 | |
| 13 #include "bin/builtin.h" | |
| 14 #include "bin/eventhandler.h" | |
| 15 #include "bin/file.h" | |
| 16 #include "bin/lockers.h" | |
| 17 #include "bin/log.h" | |
| 18 #include "bin/thread.h" | |
| 19 #include "bin/utils.h" | |
| 20 #include "bin/utils_win.h" | |
| 21 | |
| 22 namespace dart { | |
| 23 namespace bin { | |
| 24 | |
| 25 SocketAddress::SocketAddress(struct sockaddr* sockaddr) { | |
| 26 ASSERT(INET6_ADDRSTRLEN >= INET_ADDRSTRLEN); | |
| 27 RawAddr* raw = reinterpret_cast<RawAddr*>(sockaddr); | |
| 28 | |
| 29 // Clear the port before calling WSAAddressToString as WSAAddressToString | |
| 30 // includes the port in the formatted string. | |
| 31 int err = Socket::FormatNumericAddress(*raw, as_string_, INET6_ADDRSTRLEN); | |
| 32 | |
| 33 if (err != 0) { | |
| 34 as_string_[0] = 0; | |
| 35 } | |
| 36 memmove(reinterpret_cast<void*>(&addr_), sockaddr, | |
| 37 SocketAddress::GetAddrLength(*raw)); | |
| 38 } | |
| 39 | |
| 40 | |
| 41 bool Socket::FormatNumericAddress(const RawAddr& addr, char* address, int len) { | |
| 42 socklen_t salen = SocketAddress::GetAddrLength(addr); | |
| 43 DWORD l = len; | |
| 44 RawAddr& raw = const_cast<RawAddr&>(addr); | |
| 45 return WSAAddressToStringA(&raw.addr, salen, NULL, address, &l) != 0; | |
| 46 } | |
| 47 | |
| 48 | |
| 49 Socket::Socket(intptr_t fd) : ReferenceCounted(), fd_(fd), port_(ILLEGAL_PORT) { | |
| 50 ASSERT(fd_ != kClosedFd); | |
| 51 Handle* handle = reinterpret_cast<Handle*>(fd_); | |
| 52 ASSERT(handle != NULL); | |
| 53 } | |
| 54 | |
| 55 | |
| 56 void Socket::SetClosedFd() { | |
| 57 ASSERT(fd_ != kClosedFd); | |
| 58 Handle* handle = reinterpret_cast<Handle*>(fd_); | |
| 59 ASSERT(handle != NULL); | |
| 60 handle->Release(); | |
| 61 fd_ = kClosedFd; | |
| 62 } | |
| 63 | |
| 64 | |
| 65 static Mutex* init_mutex = new Mutex(); | |
| 66 static bool socket_initialized = false; | |
| 67 | |
| 68 bool Socket::Initialize() { | |
| 69 MutexLocker lock(init_mutex); | |
| 70 if (socket_initialized) { | |
| 71 return true; | |
| 72 } | |
| 73 int err; | |
| 74 WSADATA winsock_data; | |
| 75 WORD version_requested = MAKEWORD(2, 2); | |
| 76 err = WSAStartup(version_requested, &winsock_data); | |
| 77 if (err == 0) { | |
| 78 socket_initialized = true; | |
| 79 } else { | |
| 80 Log::PrintErr("Unable to initialize Winsock: %d\n", WSAGetLastError()); | |
| 81 } | |
| 82 return (err == 0); | |
| 83 } | |
| 84 | |
| 85 intptr_t Socket::Available(intptr_t fd) { | |
| 86 ClientSocket* client_socket = reinterpret_cast<ClientSocket*>(fd); | |
| 87 return client_socket->Available(); | |
| 88 } | |
| 89 | |
| 90 | |
| 91 intptr_t Socket::Read(intptr_t fd, void* buffer, intptr_t num_bytes) { | |
| 92 Handle* handle = reinterpret_cast<Handle*>(fd); | |
| 93 return handle->Read(buffer, num_bytes); | |
| 94 } | |
| 95 | |
| 96 | |
| 97 intptr_t Socket::RecvFrom(intptr_t fd, | |
| 98 void* buffer, | |
| 99 intptr_t num_bytes, | |
| 100 RawAddr* addr) { | |
| 101 Handle* handle = reinterpret_cast<Handle*>(fd); | |
| 102 socklen_t addr_len = sizeof(addr->ss); | |
| 103 return handle->RecvFrom(buffer, num_bytes, &addr->addr, addr_len); | |
| 104 } | |
| 105 | |
| 106 | |
| 107 intptr_t Socket::Write(intptr_t fd, const void* buffer, intptr_t num_bytes) { | |
| 108 Handle* handle = reinterpret_cast<Handle*>(fd); | |
| 109 return handle->Write(buffer, num_bytes); | |
| 110 } | |
| 111 | |
| 112 | |
| 113 intptr_t Socket::SendTo(intptr_t fd, | |
| 114 const void* buffer, | |
| 115 intptr_t num_bytes, | |
| 116 const RawAddr& addr) { | |
| 117 Handle* handle = reinterpret_cast<Handle*>(fd); | |
| 118 RawAddr& raw = const_cast<RawAddr&>(addr); | |
| 119 return handle->SendTo(buffer, num_bytes, &raw.addr, | |
| 120 SocketAddress::GetAddrLength(addr)); | |
| 121 } | |
| 122 | |
| 123 | |
| 124 intptr_t Socket::GetPort(intptr_t fd) { | |
| 125 ASSERT(reinterpret_cast<Handle*>(fd)->is_socket()); | |
| 126 SocketHandle* socket_handle = reinterpret_cast<SocketHandle*>(fd); | |
| 127 RawAddr raw; | |
| 128 socklen_t size = sizeof(raw); | |
| 129 if (getsockname(socket_handle->socket(), &raw.addr, &size) == SOCKET_ERROR) { | |
| 130 return 0; | |
| 131 } | |
| 132 return SocketAddress::GetAddrPort(raw); | |
| 133 } | |
| 134 | |
| 135 | |
| 136 SocketAddress* Socket::GetRemotePeer(intptr_t fd, intptr_t* port) { | |
| 137 ASSERT(reinterpret_cast<Handle*>(fd)->is_socket()); | |
| 138 SocketHandle* socket_handle = reinterpret_cast<SocketHandle*>(fd); | |
| 139 RawAddr raw; | |
| 140 socklen_t size = sizeof(raw); | |
| 141 if (getpeername(socket_handle->socket(), &raw.addr, &size)) { | |
| 142 return NULL; | |
| 143 } | |
| 144 *port = SocketAddress::GetAddrPort(raw); | |
| 145 // Clear the port before calling WSAAddressToString as WSAAddressToString | |
| 146 // includes the port in the formatted string. | |
| 147 SocketAddress::SetAddrPort(&raw, 0); | |
| 148 return new SocketAddress(&raw.addr); | |
| 149 } | |
| 150 | |
| 151 | |
| 152 static intptr_t Create(const RawAddr& addr) { | |
| 153 SOCKET s = socket(addr.ss.ss_family, SOCK_STREAM, 0); | |
| 154 if (s == INVALID_SOCKET) { | |
| 155 return -1; | |
| 156 } | |
| 157 | |
| 158 linger l; | |
| 159 l.l_onoff = 1; | |
| 160 l.l_linger = 10; | |
| 161 int status = setsockopt(s, SOL_SOCKET, SO_LINGER, reinterpret_cast<char*>(&l), | |
| 162 sizeof(l)); | |
| 163 if (status != NO_ERROR) { | |
| 164 FATAL("Failed setting SO_LINGER on socket"); | |
| 165 } | |
| 166 | |
| 167 ClientSocket* client_socket = new ClientSocket(s); | |
| 168 return reinterpret_cast<intptr_t>(client_socket); | |
| 169 } | |
| 170 | |
| 171 | |
| 172 static intptr_t Connect(intptr_t fd, | |
| 173 const RawAddr& addr, | |
| 174 const RawAddr& bind_addr) { | |
| 175 ASSERT(reinterpret_cast<Handle*>(fd)->is_client_socket()); | |
| 176 ClientSocket* handle = reinterpret_cast<ClientSocket*>(fd); | |
| 177 SOCKET s = handle->socket(); | |
| 178 | |
| 179 int status = | |
| 180 bind(s, &bind_addr.addr, SocketAddress::GetAddrLength(bind_addr)); | |
| 181 if (status != NO_ERROR) { | |
| 182 int rc = WSAGetLastError(); | |
| 183 handle->mark_closed(); // Destructor asserts that socket is marked closed. | |
| 184 handle->Release(); | |
| 185 closesocket(s); | |
| 186 SetLastError(rc); | |
| 187 return -1; | |
| 188 } | |
| 189 | |
| 190 LPFN_CONNECTEX connectEx = NULL; | |
| 191 GUID guid_connect_ex = WSAID_CONNECTEX; | |
| 192 DWORD bytes; | |
| 193 status = WSAIoctl(s, SIO_GET_EXTENSION_FUNCTION_POINTER, &guid_connect_ex, | |
| 194 sizeof(guid_connect_ex), &connectEx, sizeof(connectEx), | |
| 195 &bytes, NULL, NULL); | |
| 196 DWORD rc; | |
| 197 if (status != SOCKET_ERROR) { | |
| 198 handle->EnsureInitialized(EventHandler::delegate()); | |
| 199 | |
| 200 OverlappedBuffer* overlapped = OverlappedBuffer::AllocateConnectBuffer(); | |
| 201 | |
| 202 status = connectEx(s, &addr.addr, SocketAddress::GetAddrLength(addr), NULL, | |
| 203 0, NULL, overlapped->GetCleanOverlapped()); | |
| 204 | |
| 205 | |
| 206 if (status == TRUE) { | |
| 207 handle->ConnectComplete(overlapped); | |
| 208 return fd; | |
| 209 } else if (WSAGetLastError() == ERROR_IO_PENDING) { | |
| 210 return fd; | |
| 211 } | |
| 212 rc = WSAGetLastError(); | |
| 213 // Cleanup in case of error. | |
| 214 OverlappedBuffer::DisposeBuffer(overlapped); | |
| 215 handle->Release(); | |
| 216 } else { | |
| 217 rc = WSAGetLastError(); | |
| 218 } | |
| 219 handle->Close(); | |
| 220 handle->Release(); | |
| 221 SetLastError(rc); | |
| 222 return -1; | |
| 223 } | |
| 224 | |
| 225 | |
| 226 intptr_t Socket::CreateConnect(const RawAddr& addr) { | |
| 227 intptr_t fd = Create(addr); | |
| 228 if (fd < 0) { | |
| 229 return fd; | |
| 230 } | |
| 231 | |
| 232 RawAddr bind_addr; | |
| 233 memset(&bind_addr, 0, sizeof(bind_addr)); | |
| 234 bind_addr.ss.ss_family = addr.ss.ss_family; | |
| 235 if (addr.ss.ss_family == AF_INET) { | |
| 236 bind_addr.in.sin_addr.s_addr = INADDR_ANY; | |
| 237 } else { | |
| 238 bind_addr.in6.sin6_addr = in6addr_any; | |
| 239 } | |
| 240 | |
| 241 return Connect(fd, addr, bind_addr); | |
| 242 } | |
| 243 | |
| 244 | |
| 245 intptr_t Socket::CreateBindConnect(const RawAddr& addr, | |
| 246 const RawAddr& source_addr) { | |
| 247 intptr_t fd = Create(addr); | |
| 248 if (fd < 0) { | |
| 249 return fd; | |
| 250 } | |
| 251 | |
| 252 return Connect(fd, addr, source_addr); | |
| 253 } | |
| 254 | |
| 255 | |
| 256 bool Socket::IsBindError(intptr_t error_number) { | |
| 257 return error_number == WSAEADDRINUSE || error_number == WSAEADDRNOTAVAIL || | |
| 258 error_number == WSAEINVAL; | |
| 259 } | |
| 260 | |
| 261 | |
| 262 void Socket::GetError(intptr_t fd, OSError* os_error) { | |
| 263 Handle* handle = reinterpret_cast<Handle*>(fd); | |
| 264 os_error->SetCodeAndMessage(OSError::kSystem, handle->last_error()); | |
| 265 } | |
| 266 | |
| 267 | |
| 268 int Socket::GetType(intptr_t fd) { | |
| 269 Handle* handle = reinterpret_cast<Handle*>(fd); | |
| 270 switch (GetFileType(handle->handle())) { | |
| 271 case FILE_TYPE_CHAR: | |
| 272 return File::kTerminal; | |
| 273 case FILE_TYPE_PIPE: | |
| 274 return File::kPipe; | |
| 275 case FILE_TYPE_DISK: | |
| 276 return File::kFile; | |
| 277 default: | |
| 278 return GetLastError == NO_ERROR ? File::kOther : -1; | |
| 279 } | |
| 280 } | |
| 281 | |
| 282 | |
| 283 intptr_t Socket::GetStdioHandle(intptr_t num) { | |
| 284 if (num != 0) { | |
| 285 return -1; | |
| 286 } | |
| 287 HANDLE handle = GetStdHandle(STD_INPUT_HANDLE); | |
| 288 if (handle == INVALID_HANDLE_VALUE) { | |
| 289 return -1; | |
| 290 } | |
| 291 StdHandle* std_handle = new StdHandle(handle); | |
| 292 std_handle->MarkDoesNotSupportOverlappedIO(); | |
| 293 std_handle->EnsureInitialized(EventHandler::delegate()); | |
| 294 return reinterpret_cast<intptr_t>(std_handle); | |
| 295 } | |
| 296 | |
| 297 | |
| 298 intptr_t ServerSocket::Accept(intptr_t fd) { | |
| 299 ListenSocket* listen_socket = reinterpret_cast<ListenSocket*>(fd); | |
| 300 ClientSocket* client_socket = listen_socket->Accept(); | |
| 301 if (client_socket != NULL) { | |
| 302 return reinterpret_cast<intptr_t>(client_socket); | |
| 303 } else { | |
| 304 return -1; | |
| 305 } | |
| 306 } | |
| 307 | |
| 308 | |
| 309 AddressList<SocketAddress>* Socket::LookupAddress(const char* host, | |
| 310 int type, | |
| 311 OSError** os_error) { | |
| 312 Initialize(); | |
| 313 | |
| 314 // Perform a name lookup for a host name. | |
| 315 struct addrinfo hints; | |
| 316 memset(&hints, 0, sizeof(hints)); | |
| 317 hints.ai_family = SocketAddress::FromType(type); | |
| 318 hints.ai_socktype = SOCK_STREAM; | |
| 319 hints.ai_flags = AI_ADDRCONFIG; | |
| 320 hints.ai_protocol = IPPROTO_TCP; | |
| 321 struct addrinfo* info = NULL; | |
| 322 int status = getaddrinfo(host, 0, &hints, &info); | |
| 323 if (status != 0) { | |
| 324 // We failed, try without AI_ADDRCONFIG. This can happen when looking up | |
| 325 // e.g. '::1', when there are no global IPv6 addresses. | |
| 326 hints.ai_flags = 0; | |
| 327 status = getaddrinfo(host, 0, &hints, &info); | |
| 328 } | |
| 329 if (status != 0) { | |
| 330 ASSERT(*os_error == NULL); | |
| 331 DWORD error_code = WSAGetLastError(); | |
| 332 SetLastError(error_code); | |
| 333 *os_error = new OSError(); | |
| 334 return NULL; | |
| 335 } | |
| 336 intptr_t count = 0; | |
| 337 for (struct addrinfo* c = info; c != NULL; c = c->ai_next) { | |
| 338 if ((c->ai_family == AF_INET) || (c->ai_family == AF_INET6)) { | |
| 339 count++; | |
| 340 } | |
| 341 } | |
| 342 AddressList<SocketAddress>* addresses = new AddressList<SocketAddress>(count); | |
| 343 intptr_t i = 0; | |
| 344 for (struct addrinfo* c = info; c != NULL; c = c->ai_next) { | |
| 345 if ((c->ai_family == AF_INET) || (c->ai_family == AF_INET6)) { | |
| 346 addresses->SetAt(i, new SocketAddress(c->ai_addr)); | |
| 347 i++; | |
| 348 } | |
| 349 } | |
| 350 freeaddrinfo(info); | |
| 351 return addresses; | |
| 352 } | |
| 353 | |
| 354 | |
| 355 bool Socket::ReverseLookup(const RawAddr& addr, | |
| 356 char* host, | |
| 357 intptr_t host_len, | |
| 358 OSError** os_error) { | |
| 359 ASSERT(host_len >= NI_MAXHOST); | |
| 360 int status = getnameinfo(&addr.addr, SocketAddress::GetAddrLength(addr), host, | |
| 361 host_len, NULL, 0, NI_NAMEREQD); | |
| 362 if (status != 0) { | |
| 363 ASSERT(*os_error == NULL); | |
| 364 DWORD error_code = WSAGetLastError(); | |
| 365 SetLastError(error_code); | |
| 366 *os_error = new OSError(); | |
| 367 return false; | |
| 368 } | |
| 369 return true; | |
| 370 } | |
| 371 | |
| 372 | |
| 373 bool Socket::ParseAddress(int type, const char* address, RawAddr* addr) { | |
| 374 int result; | |
| 375 Utf8ToWideScope system_address(address); | |
| 376 if (type == SocketAddress::TYPE_IPV4) { | |
| 377 result = InetPton(AF_INET, system_address.wide(), &addr->in.sin_addr); | |
| 378 } else { | |
| 379 ASSERT(type == SocketAddress::TYPE_IPV6); | |
| 380 result = InetPton(AF_INET6, system_address.wide(), &addr->in6.sin6_addr); | |
| 381 } | |
| 382 return result == 1; | |
| 383 } | |
| 384 | |
| 385 | |
| 386 intptr_t Socket::CreateBindDatagram(const RawAddr& addr, bool reuseAddress) { | |
| 387 SOCKET s = socket(addr.ss.ss_family, SOCK_DGRAM, IPPROTO_UDP); | |
| 388 if (s == INVALID_SOCKET) { | |
| 389 return -1; | |
| 390 } | |
| 391 | |
| 392 int status; | |
| 393 if (reuseAddress) { | |
| 394 BOOL optval = true; | |
| 395 status = setsockopt(s, SOL_SOCKET, SO_REUSEADDR, | |
| 396 reinterpret_cast<const char*>(&optval), sizeof(optval)); | |
| 397 if (status == SOCKET_ERROR) { | |
| 398 DWORD rc = WSAGetLastError(); | |
| 399 closesocket(s); | |
| 400 SetLastError(rc); | |
| 401 return -1; | |
| 402 } | |
| 403 } | |
| 404 | |
| 405 status = bind(s, &addr.addr, SocketAddress::GetAddrLength(addr)); | |
| 406 if (status == SOCKET_ERROR) { | |
| 407 DWORD rc = WSAGetLastError(); | |
| 408 closesocket(s); | |
| 409 SetLastError(rc); | |
| 410 return -1; | |
| 411 } | |
| 412 | |
| 413 DatagramSocket* datagram_socket = new DatagramSocket(s); | |
| 414 datagram_socket->EnsureInitialized(EventHandler::delegate()); | |
| 415 return reinterpret_cast<intptr_t>(datagram_socket); | |
| 416 } | |
| 417 | |
| 418 | |
| 419 bool Socket::ListInterfacesSupported() { | |
| 420 return true; | |
| 421 } | |
| 422 | |
| 423 | |
| 424 AddressList<InterfaceSocketAddress>* Socket::ListInterfaces( | |
| 425 int type, | |
| 426 OSError** os_error) { | |
| 427 Initialize(); | |
| 428 | |
| 429 ULONG size = 0; | |
| 430 DWORD flags = GAA_FLAG_SKIP_ANYCAST | GAA_FLAG_SKIP_MULTICAST | | |
| 431 GAA_FLAG_SKIP_DNS_SERVER; | |
| 432 // Query the size needed. | |
| 433 int status = GetAdaptersAddresses(SocketAddress::FromType(type), flags, NULL, | |
| 434 NULL, &size); | |
| 435 IP_ADAPTER_ADDRESSES* addrs = NULL; | |
| 436 if (status == ERROR_BUFFER_OVERFLOW) { | |
| 437 addrs = reinterpret_cast<IP_ADAPTER_ADDRESSES*>(malloc(size)); | |
| 438 // Get the addresses now we have the right buffer. | |
| 439 status = GetAdaptersAddresses(SocketAddress::FromType(type), flags, NULL, | |
| 440 addrs, &size); | |
| 441 } | |
| 442 if (status != NO_ERROR) { | |
| 443 ASSERT(*os_error == NULL); | |
| 444 DWORD error_code = WSAGetLastError(); | |
| 445 SetLastError(error_code); | |
| 446 *os_error = new OSError(); | |
| 447 return NULL; | |
| 448 } | |
| 449 intptr_t count = 0; | |
| 450 for (IP_ADAPTER_ADDRESSES* a = addrs; a != NULL; a = a->Next) { | |
| 451 for (IP_ADAPTER_UNICAST_ADDRESS* u = a->FirstUnicastAddress; u != NULL; | |
| 452 u = u->Next) { | |
| 453 count++; | |
| 454 } | |
| 455 } | |
| 456 AddressList<InterfaceSocketAddress>* addresses = | |
| 457 new AddressList<InterfaceSocketAddress>(count); | |
| 458 intptr_t i = 0; | |
| 459 for (IP_ADAPTER_ADDRESSES* a = addrs; a != NULL; a = a->Next) { | |
| 460 for (IP_ADAPTER_UNICAST_ADDRESS* u = a->FirstUnicastAddress; u != NULL; | |
| 461 u = u->Next) { | |
| 462 addresses->SetAt( | |
| 463 i, new InterfaceSocketAddress( | |
| 464 u->Address.lpSockaddr, | |
| 465 StringUtilsWin::WideToUtf8(a->FriendlyName), a->Ipv6IfIndex)); | |
| 466 i++; | |
| 467 } | |
| 468 } | |
| 469 free(addrs); | |
| 470 return addresses; | |
| 471 } | |
| 472 | |
| 473 | |
| 474 intptr_t ServerSocket::CreateBindListen(const RawAddr& addr, | |
| 475 intptr_t backlog, | |
| 476 bool v6_only) { | |
| 477 SOCKET s = socket(addr.ss.ss_family, SOCK_STREAM, IPPROTO_TCP); | |
| 478 if (s == INVALID_SOCKET) { | |
| 479 return -1; | |
| 480 } | |
| 481 | |
| 482 BOOL optval = true; | |
| 483 int status = | |
| 484 setsockopt(s, SOL_SOCKET, SO_EXCLUSIVEADDRUSE, | |
| 485 reinterpret_cast<const char*>(&optval), sizeof(optval)); | |
| 486 if (status == SOCKET_ERROR) { | |
| 487 DWORD rc = WSAGetLastError(); | |
| 488 closesocket(s); | |
| 489 SetLastError(rc); | |
| 490 return -1; | |
| 491 } | |
| 492 | |
| 493 if (addr.ss.ss_family == AF_INET6) { | |
| 494 optval = v6_only; | |
| 495 setsockopt(s, IPPROTO_IPV6, IPV6_V6ONLY, | |
| 496 reinterpret_cast<const char*>(&optval), sizeof(optval)); | |
| 497 } | |
| 498 | |
| 499 status = bind(s, &addr.addr, SocketAddress::GetAddrLength(addr)); | |
| 500 if (status == SOCKET_ERROR) { | |
| 501 DWORD rc = WSAGetLastError(); | |
| 502 closesocket(s); | |
| 503 SetLastError(rc); | |
| 504 return -1; | |
| 505 } | |
| 506 | |
| 507 ListenSocket* listen_socket = new ListenSocket(s); | |
| 508 | |
| 509 // Test for invalid socket port 65535 (some browsers disallow it). | |
| 510 if ((SocketAddress::GetAddrPort(addr) == 0) && | |
| 511 (Socket::GetPort(reinterpret_cast<intptr_t>(listen_socket)) == 65535)) { | |
| 512 // Don't close fd until we have created new. By doing that we ensure another | |
| 513 // port. | |
| 514 intptr_t new_s = CreateBindListen(addr, backlog, v6_only); | |
| 515 DWORD rc = WSAGetLastError(); | |
| 516 closesocket(s); | |
| 517 listen_socket->Release(); | |
| 518 SetLastError(rc); | |
| 519 return new_s; | |
| 520 } | |
| 521 | |
| 522 status = listen(s, backlog > 0 ? backlog : SOMAXCONN); | |
| 523 if (status == SOCKET_ERROR) { | |
| 524 DWORD rc = WSAGetLastError(); | |
| 525 closesocket(s); | |
| 526 listen_socket->Release(); | |
| 527 SetLastError(rc); | |
| 528 return -1; | |
| 529 } | |
| 530 | |
| 531 return reinterpret_cast<intptr_t>(listen_socket); | |
| 532 } | |
| 533 | |
| 534 | |
| 535 bool ServerSocket::StartAccept(intptr_t fd) { | |
| 536 ListenSocket* listen_socket = reinterpret_cast<ListenSocket*>(fd); | |
| 537 listen_socket->EnsureInitialized(EventHandler::delegate()); | |
| 538 // Always keep 5 outstanding accepts going, to enhance performance. | |
| 539 for (int i = 0; i < 5; i++) { | |
| 540 if (!listen_socket->IssueAccept()) { | |
| 541 DWORD rc = WSAGetLastError(); | |
| 542 listen_socket->Close(); | |
| 543 if (!listen_socket->HasPendingAccept()) { | |
| 544 // Delete socket now, if there are no pending accepts. Otherwise, | |
| 545 // the event-handler will take care of deleting it. | |
| 546 listen_socket->Release(); | |
| 547 } | |
| 548 SetLastError(rc); | |
| 549 return false; | |
| 550 } | |
| 551 } | |
| 552 return true; | |
| 553 } | |
| 554 | |
| 555 | |
| 556 void Socket::Close(intptr_t fd) { | |
| 557 ClientSocket* client_socket = reinterpret_cast<ClientSocket*>(fd); | |
| 558 client_socket->Close(); | |
| 559 } | |
| 560 | |
| 561 | |
| 562 bool Socket::GetNoDelay(intptr_t fd, bool* enabled) { | |
| 563 SocketHandle* handle = reinterpret_cast<SocketHandle*>(fd); | |
| 564 int on; | |
| 565 socklen_t len = sizeof(on); | |
| 566 int err = getsockopt(handle->socket(), IPPROTO_TCP, TCP_NODELAY, | |
| 567 reinterpret_cast<char*>(&on), &len); | |
| 568 if (err == 0) { | |
| 569 *enabled = (on == 1); | |
| 570 } | |
| 571 return (err == 0); | |
| 572 } | |
| 573 | |
| 574 | |
| 575 bool Socket::SetNoDelay(intptr_t fd, bool enabled) { | |
| 576 SocketHandle* handle = reinterpret_cast<SocketHandle*>(fd); | |
| 577 int on = enabled ? 1 : 0; | |
| 578 return setsockopt(handle->socket(), IPPROTO_TCP, TCP_NODELAY, | |
| 579 reinterpret_cast<char*>(&on), sizeof(on)) == 0; | |
| 580 } | |
| 581 | |
| 582 | |
| 583 bool Socket::GetMulticastLoop(intptr_t fd, intptr_t protocol, bool* enabled) { | |
| 584 SocketHandle* handle = reinterpret_cast<SocketHandle*>(fd); | |
| 585 uint8_t on; | |
| 586 socklen_t len = sizeof(on); | |
| 587 int level = protocol == SocketAddress::TYPE_IPV4 ? IPPROTO_IP : IPPROTO_IPV6; | |
| 588 int optname = protocol == SocketAddress::TYPE_IPV4 ? IP_MULTICAST_LOOP | |
| 589 : IPV6_MULTICAST_LOOP; | |
| 590 if (getsockopt(handle->socket(), level, optname, reinterpret_cast<char*>(&on), | |
| 591 &len) == 0) { | |
| 592 *enabled = (on == 1); | |
| 593 return true; | |
| 594 } | |
| 595 return false; | |
| 596 } | |
| 597 | |
| 598 | |
| 599 bool Socket::SetMulticastLoop(intptr_t fd, intptr_t protocol, bool enabled) { | |
| 600 SocketHandle* handle = reinterpret_cast<SocketHandle*>(fd); | |
| 601 int on = enabled ? 1 : 0; | |
| 602 int level = protocol == SocketAddress::TYPE_IPV4 ? IPPROTO_IP : IPPROTO_IPV6; | |
| 603 int optname = protocol == SocketAddress::TYPE_IPV4 ? IP_MULTICAST_LOOP | |
| 604 : IPV6_MULTICAST_LOOP; | |
| 605 return setsockopt(handle->socket(), level, optname, | |
| 606 reinterpret_cast<char*>(&on), sizeof(on)) == 0; | |
| 607 } | |
| 608 | |
| 609 | |
| 610 bool Socket::GetMulticastHops(intptr_t fd, intptr_t protocol, int* value) { | |
| 611 SocketHandle* handle = reinterpret_cast<SocketHandle*>(fd); | |
| 612 uint8_t v; | |
| 613 socklen_t len = sizeof(v); | |
| 614 int level = protocol == SocketAddress::TYPE_IPV4 ? IPPROTO_IP : IPPROTO_IPV6; | |
| 615 int optname = protocol == SocketAddress::TYPE_IPV4 ? IP_MULTICAST_TTL | |
| 616 : IPV6_MULTICAST_HOPS; | |
| 617 if (getsockopt(handle->socket(), level, optname, reinterpret_cast<char*>(&v), | |
| 618 &len) == 0) { | |
| 619 *value = v; | |
| 620 return true; | |
| 621 } | |
| 622 return false; | |
| 623 } | |
| 624 | |
| 625 | |
| 626 bool Socket::SetMulticastHops(intptr_t fd, intptr_t protocol, int value) { | |
| 627 SocketHandle* handle = reinterpret_cast<SocketHandle*>(fd); | |
| 628 int v = value; | |
| 629 int level = protocol == SocketAddress::TYPE_IPV4 ? IPPROTO_IP : IPPROTO_IPV6; | |
| 630 int optname = protocol == SocketAddress::TYPE_IPV4 ? IP_MULTICAST_TTL | |
| 631 : IPV6_MULTICAST_HOPS; | |
| 632 return setsockopt(handle->socket(), level, optname, | |
| 633 reinterpret_cast<char*>(&v), sizeof(v)) == 0; | |
| 634 } | |
| 635 | |
| 636 | |
| 637 bool Socket::GetBroadcast(intptr_t fd, bool* enabled) { | |
| 638 SocketHandle* handle = reinterpret_cast<SocketHandle*>(fd); | |
| 639 int on; | |
| 640 socklen_t len = sizeof(on); | |
| 641 int err = getsockopt(handle->socket(), SOL_SOCKET, SO_BROADCAST, | |
| 642 reinterpret_cast<char*>(&on), &len); | |
| 643 if (err == 0) { | |
| 644 *enabled = (on == 1); | |
| 645 } | |
| 646 return (err == 0); | |
| 647 } | |
| 648 | |
| 649 | |
| 650 bool Socket::SetBroadcast(intptr_t fd, bool enabled) { | |
| 651 SocketHandle* handle = reinterpret_cast<SocketHandle*>(fd); | |
| 652 int on = enabled ? 1 : 0; | |
| 653 return setsockopt(handle->socket(), SOL_SOCKET, SO_BROADCAST, | |
| 654 reinterpret_cast<char*>(&on), sizeof(on)) == 0; | |
| 655 } | |
| 656 | |
| 657 | |
| 658 bool Socket::JoinMulticast(intptr_t fd, | |
| 659 const RawAddr& addr, | |
| 660 const RawAddr&, | |
| 661 int interfaceIndex) { | |
| 662 SocketHandle* handle = reinterpret_cast<SocketHandle*>(fd); | |
| 663 int proto = addr.addr.sa_family == AF_INET ? IPPROTO_IP : IPPROTO_IPV6; | |
| 664 struct group_req mreq; | |
| 665 mreq.gr_interface = interfaceIndex; | |
| 666 memmove(&mreq.gr_group, &addr.ss, SocketAddress::GetAddrLength(addr)); | |
| 667 return setsockopt(handle->socket(), proto, MCAST_JOIN_GROUP, | |
| 668 reinterpret_cast<char*>(&mreq), sizeof(mreq)) == 0; | |
| 669 } | |
| 670 | |
| 671 | |
| 672 bool Socket::LeaveMulticast(intptr_t fd, | |
| 673 const RawAddr& addr, | |
| 674 const RawAddr&, | |
| 675 int interfaceIndex) { | |
| 676 SocketHandle* handle = reinterpret_cast<SocketHandle*>(fd); | |
| 677 int proto = addr.addr.sa_family == AF_INET ? IPPROTO_IP : IPPROTO_IPV6; | |
| 678 struct group_req mreq; | |
| 679 mreq.gr_interface = interfaceIndex; | |
| 680 memmove(&mreq.gr_group, &addr.ss, SocketAddress::GetAddrLength(addr)); | |
| 681 return setsockopt(handle->socket(), proto, MCAST_LEAVE_GROUP, | |
| 682 reinterpret_cast<char*>(&mreq), sizeof(mreq)) == 0; | |
| 683 } | |
| 684 | |
| 685 } // namespace bin | |
| 686 } // namespace dart | |
| 687 | |
| 688 #endif // defined(HOST_OS_WINDOWS) | |
| 689 | |
| 690 #endif // !defined(DART_IO_DISABLED) | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 2780063002:
Pulled a significant portion of Socket implementation into BaseSocket in order to prepare for the s… (Closed)
