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