| OLD | NEW |
|---|
| (Empty) |
| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #include "net/udp/udp_socket_win.h" | |
| 6 | |
| 7 #include <mstcpip.h> | |
| 8 | |
| 9 #include "base/callback.h" | |
| 10 #include "base/lazy_instance.h" | |
| 11 #include "base/logging.h" | |
| 12 #include "base/macros.h" | |
| 13 #include "base/message_loop/message_loop.h" | |
| 14 #include "base/metrics/histogram_macros.h" | |
| 15 #include "base/metrics/sparse_histogram.h" | |
| 16 #include "base/rand_util.h" | |
| 17 #include "net/base/io_buffer.h" | |
| 18 #include "net/base/ip_address.h" | |
| 19 #include "net/base/ip_endpoint.h" | |
| 20 #include "net/base/net_errors.h" | |
| 21 #include "net/base/network_activity_monitor.h" | |
| 22 #include "net/base/network_change_notifier.h" | |
| 23 #include "net/base/sockaddr_storage.h" | |
| 24 #include "net/base/winsock_init.h" | |
| 25 #include "net/base/winsock_util.h" | |
| 26 #include "net/log/net_log.h" | |
| 27 #include "net/log/net_log_event_type.h" | |
| 28 #include "net/log/net_log_source.h" | |
| 29 #include "net/log/net_log_source_type.h" | |
| 30 #include "net/socket/socket_descriptor.h" | |
| 31 #include "net/udp/udp_net_log_parameters.h" | |
| 32 | |
| 33 namespace { | |
| 34 | |
| 35 const int kBindRetries = 10; | |
| 36 const int kPortStart = 1024; | |
| 37 const int kPortEnd = 65535; | |
| 38 | |
| 39 } // namespace | |
| 40 | |
| 41 namespace net { | |
| 42 | |
| 43 // This class encapsulates all the state that has to be preserved as long as | |
| 44 // there is a network IO operation in progress. If the owner UDPSocketWin | |
| 45 // is destroyed while an operation is in progress, the Core is detached and it | |
| 46 // lives until the operation completes and the OS doesn't reference any resource | |
| 47 // declared on this class anymore. | |
| 48 class UDPSocketWin::Core : public base::RefCounted<Core> { | |
| 49 public: | |
| 50 explicit Core(UDPSocketWin* socket); | |
| 51 | |
| 52 // Start watching for the end of a read or write operation. | |
| 53 void WatchForRead(); | |
| 54 void WatchForWrite(); | |
| 55 | |
| 56 // The UDPSocketWin is going away. | |
| 57 void Detach() { socket_ = NULL; } | |
| 58 | |
| 59 // The separate OVERLAPPED variables for asynchronous operation. | |
| 60 OVERLAPPED read_overlapped_; | |
| 61 OVERLAPPED write_overlapped_; | |
| 62 | |
| 63 // The buffers used in Read() and Write(). | |
| 64 scoped_refptr<IOBuffer> read_iobuffer_; | |
| 65 scoped_refptr<IOBuffer> write_iobuffer_; | |
| 66 | |
| 67 // The address storage passed to WSARecvFrom(). | |
| 68 SockaddrStorage recv_addr_storage_; | |
| 69 | |
| 70 private: | |
| 71 friend class base::RefCounted<Core>; | |
| 72 | |
| 73 class ReadDelegate : public base::win::ObjectWatcher::Delegate { | |
| 74 public: | |
| 75 explicit ReadDelegate(Core* core) : core_(core) {} | |
| 76 ~ReadDelegate() override {} | |
| 77 | |
| 78 // base::ObjectWatcher::Delegate methods: | |
| 79 void OnObjectSignaled(HANDLE object) override; | |
| 80 | |
| 81 private: | |
| 82 Core* const core_; | |
| 83 }; | |
| 84 | |
| 85 class WriteDelegate : public base::win::ObjectWatcher::Delegate { | |
| 86 public: | |
| 87 explicit WriteDelegate(Core* core) : core_(core) {} | |
| 88 ~WriteDelegate() override {} | |
| 89 | |
| 90 // base::ObjectWatcher::Delegate methods: | |
| 91 void OnObjectSignaled(HANDLE object) override; | |
| 92 | |
| 93 private: | |
| 94 Core* const core_; | |
| 95 }; | |
| 96 | |
| 97 ~Core(); | |
| 98 | |
| 99 // The socket that created this object. | |
| 100 UDPSocketWin* socket_; | |
| 101 | |
| 102 // |reader_| handles the signals from |read_watcher_|. | |
| 103 ReadDelegate reader_; | |
| 104 // |writer_| handles the signals from |write_watcher_|. | |
| 105 WriteDelegate writer_; | |
| 106 | |
| 107 // |read_watcher_| watches for events from Read(). | |
| 108 base::win::ObjectWatcher read_watcher_; | |
| 109 // |write_watcher_| watches for events from Write(); | |
| 110 base::win::ObjectWatcher write_watcher_; | |
| 111 | |
| 112 DISALLOW_COPY_AND_ASSIGN(Core); | |
| 113 }; | |
| 114 | |
| 115 UDPSocketWin::Core::Core(UDPSocketWin* socket) | |
| 116 : socket_(socket), | |
| 117 reader_(this), | |
| 118 writer_(this) { | |
| 119 memset(&read_overlapped_, 0, sizeof(read_overlapped_)); | |
| 120 memset(&write_overlapped_, 0, sizeof(write_overlapped_)); | |
| 121 | |
| 122 read_overlapped_.hEvent = WSACreateEvent(); | |
| 123 write_overlapped_.hEvent = WSACreateEvent(); | |
| 124 } | |
| 125 | |
| 126 UDPSocketWin::Core::~Core() { | |
| 127 // Make sure the message loop is not watching this object anymore. | |
| 128 read_watcher_.StopWatching(); | |
| 129 write_watcher_.StopWatching(); | |
| 130 | |
| 131 WSACloseEvent(read_overlapped_.hEvent); | |
| 132 memset(&read_overlapped_, 0xaf, sizeof(read_overlapped_)); | |
| 133 WSACloseEvent(write_overlapped_.hEvent); | |
| 134 memset(&write_overlapped_, 0xaf, sizeof(write_overlapped_)); | |
| 135 } | |
| 136 | |
| 137 void UDPSocketWin::Core::WatchForRead() { | |
| 138 // We grab an extra reference because there is an IO operation in progress. | |
| 139 // Balanced in ReadDelegate::OnObjectSignaled(). | |
| 140 AddRef(); | |
| 141 read_watcher_.StartWatchingOnce(read_overlapped_.hEvent, &reader_); | |
| 142 } | |
| 143 | |
| 144 void UDPSocketWin::Core::WatchForWrite() { | |
| 145 // We grab an extra reference because there is an IO operation in progress. | |
| 146 // Balanced in WriteDelegate::OnObjectSignaled(). | |
| 147 AddRef(); | |
| 148 write_watcher_.StartWatchingOnce(write_overlapped_.hEvent, &writer_); | |
| 149 } | |
| 150 | |
| 151 void UDPSocketWin::Core::ReadDelegate::OnObjectSignaled(HANDLE object) { | |
| 152 DCHECK_EQ(object, core_->read_overlapped_.hEvent); | |
| 153 if (core_->socket_) | |
| 154 core_->socket_->DidCompleteRead(); | |
| 155 | |
| 156 core_->Release(); | |
| 157 } | |
| 158 | |
| 159 void UDPSocketWin::Core::WriteDelegate::OnObjectSignaled(HANDLE object) { | |
| 160 DCHECK_EQ(object, core_->write_overlapped_.hEvent); | |
| 161 if (core_->socket_) | |
| 162 core_->socket_->DidCompleteWrite(); | |
| 163 | |
| 164 core_->Release(); | |
| 165 } | |
| 166 //----------------------------------------------------------------------------- | |
| 167 | |
| 168 QwaveAPI::QwaveAPI() : qwave_supported_(false) { | |
| 169 HMODULE qwave = LoadLibrary(L"qwave.dll"); | |
| 170 if (!qwave) | |
| 171 return; | |
| 172 create_handle_func_ = | |
| 173 (CreateHandleFn)GetProcAddress(qwave, "QOSCreateHandle"); | |
| 174 close_handle_func_ = | |
| 175 (CloseHandleFn)GetProcAddress(qwave, "QOSCloseHandle"); | |
| 176 add_socket_to_flow_func_ = | |
| 177 (AddSocketToFlowFn)GetProcAddress(qwave, "QOSAddSocketToFlow"); | |
| 178 remove_socket_from_flow_func_ = | |
| 179 (RemoveSocketFromFlowFn)GetProcAddress(qwave, "QOSRemoveSocketFromFlow"); | |
| 180 set_flow_func_ = (SetFlowFn)GetProcAddress(qwave, "QOSSetFlow"); | |
| 181 | |
| 182 if (create_handle_func_ && close_handle_func_ && | |
| 183 add_socket_to_flow_func_ && remove_socket_from_flow_func_ && | |
| 184 set_flow_func_) { | |
| 185 qwave_supported_ = true; | |
| 186 } | |
| 187 } | |
| 188 | |
| 189 QwaveAPI& QwaveAPI::Get() { | |
| 190 static base::LazyInstance<QwaveAPI>::Leaky lazy_qwave = | |
| 191 LAZY_INSTANCE_INITIALIZER; | |
| 192 return lazy_qwave.Get(); | |
| 193 } | |
| 194 | |
| 195 bool QwaveAPI::qwave_supported() const { | |
| 196 return qwave_supported_; | |
| 197 } | |
| 198 BOOL QwaveAPI::CreateHandle(PQOS_VERSION version, PHANDLE handle) { | |
| 199 return create_handle_func_(version, handle); | |
| 200 } | |
| 201 BOOL QwaveAPI::CloseHandle(HANDLE handle) { | |
| 202 return close_handle_func_(handle); | |
| 203 } | |
| 204 | |
| 205 BOOL QwaveAPI::AddSocketToFlow(HANDLE handle, | |
| 206 SOCKET socket, | |
| 207 PSOCKADDR addr, | |
| 208 QOS_TRAFFIC_TYPE traffic_type, | |
| 209 DWORD flags, | |
| 210 PQOS_FLOWID flow_id) { | |
| 211 return add_socket_to_flow_func_(handle, | |
| 212 socket, | |
| 213 addr, | |
| 214 traffic_type, | |
| 215 flags, | |
| 216 flow_id); | |
| 217 } | |
| 218 | |
| 219 BOOL QwaveAPI::RemoveSocketFromFlow(HANDLE handle, | |
| 220 SOCKET socket, | |
| 221 QOS_FLOWID flow_id, | |
| 222 DWORD reserved) { | |
| 223 return remove_socket_from_flow_func_(handle, socket, flow_id, reserved); | |
| 224 } | |
| 225 | |
| 226 BOOL QwaveAPI::SetFlow(HANDLE handle, | |
| 227 QOS_FLOWID flow_id, | |
| 228 QOS_SET_FLOW op, | |
| 229 ULONG size, | |
| 230 PVOID data, | |
| 231 DWORD reserved, | |
| 232 LPOVERLAPPED overlapped) { | |
| 233 return set_flow_func_(handle, | |
| 234 flow_id, | |
| 235 op, | |
| 236 size, | |
| 237 data, | |
| 238 reserved, | |
| 239 overlapped); | |
| 240 } | |
| 241 | |
| 242 | |
| 243 //----------------------------------------------------------------------------- | |
| 244 | |
| 245 UDPSocketWin::UDPSocketWin(DatagramSocket::BindType bind_type, | |
| 246 const RandIntCallback& rand_int_cb, | |
| 247 net::NetLog* net_log, | |
| 248 const net::NetLogSource& source) | |
| 249 : socket_(INVALID_SOCKET), | |
| 250 addr_family_(0), | |
| 251 is_connected_(false), | |
| 252 socket_options_(SOCKET_OPTION_MULTICAST_LOOP), | |
| 253 multicast_interface_(0), | |
| 254 multicast_time_to_live_(1), | |
| 255 bind_type_(bind_type), | |
| 256 rand_int_cb_(rand_int_cb), | |
| 257 use_non_blocking_io_(false), | |
| 258 read_iobuffer_len_(0), | |
| 259 write_iobuffer_len_(0), | |
| 260 recv_from_address_(NULL), | |
| 261 net_log_(NetLogWithSource::Make(net_log, NetLogSourceType::UDP_SOCKET)), | |
| 262 qos_handle_(NULL), | |
| 263 qos_flow_id_(0) { | |
| 264 EnsureWinsockInit(); | |
| 265 net_log_.BeginEvent(NetLogEventType::SOCKET_ALIVE, | |
| 266 source.ToEventParametersCallback()); | |
| 267 if (bind_type == DatagramSocket::RANDOM_BIND) | |
| 268 DCHECK(!rand_int_cb.is_null()); | |
| 269 } | |
| 270 | |
| 271 UDPSocketWin::~UDPSocketWin() { | |
| 272 Close(); | |
| 273 net_log_.EndEvent(NetLogEventType::SOCKET_ALIVE); | |
| 274 } | |
| 275 | |
| 276 int UDPSocketWin::Open(AddressFamily address_family) { | |
| 277 DCHECK(CalledOnValidThread()); | |
| 278 DCHECK_EQ(socket_, INVALID_SOCKET); | |
| 279 | |
| 280 addr_family_ = ConvertAddressFamily(address_family); | |
| 281 socket_ = CreatePlatformSocket(addr_family_, SOCK_DGRAM, IPPROTO_UDP); | |
| 282 if (socket_ == INVALID_SOCKET) | |
| 283 return MapSystemError(WSAGetLastError()); | |
| 284 if (!use_non_blocking_io_) { | |
| 285 core_ = new Core(this); | |
| 286 } else { | |
| 287 read_write_event_.Set(WSACreateEvent()); | |
| 288 WSAEventSelect(socket_, read_write_event_.Get(), FD_READ | FD_WRITE); | |
| 289 } | |
| 290 return OK; | |
| 291 } | |
| 292 | |
| 293 void UDPSocketWin::Close() { | |
| 294 DCHECK(CalledOnValidThread()); | |
| 295 | |
| 296 if (socket_ == INVALID_SOCKET) | |
| 297 return; | |
| 298 | |
| 299 if (qos_handle_) { | |
| 300 QwaveAPI::Get().CloseHandle(qos_handle_); | |
| 301 } | |
| 302 | |
| 303 // Zero out any pending read/write callback state. | |
| 304 read_callback_.Reset(); | |
| 305 recv_from_address_ = NULL; | |
| 306 write_callback_.Reset(); | |
| 307 | |
| 308 base::TimeTicks start_time = base::TimeTicks::Now(); | |
| 309 closesocket(socket_); | |
| 310 UMA_HISTOGRAM_TIMES("Net.UDPSocketWinClose", | |
| 311 base::TimeTicks::Now() - start_time); | |
| 312 socket_ = INVALID_SOCKET; | |
| 313 addr_family_ = 0; | |
| 314 is_connected_ = false; | |
| 315 | |
| 316 read_write_watcher_.StopWatching(); | |
| 317 read_write_event_.Close(); | |
| 318 | |
| 319 if (core_) { | |
| 320 core_->Detach(); | |
| 321 core_ = NULL; | |
| 322 } | |
| 323 } | |
| 324 | |
| 325 int UDPSocketWin::GetPeerAddress(IPEndPoint* address) const { | |
| 326 DCHECK(CalledOnValidThread()); | |
| 327 DCHECK(address); | |
| 328 if (!is_connected()) | |
| 329 return ERR_SOCKET_NOT_CONNECTED; | |
| 330 | |
| 331 // TODO(szym): Simplify. http://crbug.com/126152 | |
| 332 if (!remote_address_.get()) { | |
| 333 SockaddrStorage storage; | |
| 334 if (getpeername(socket_, storage.addr, &storage.addr_len)) | |
| 335 return MapSystemError(WSAGetLastError()); | |
| 336 std::unique_ptr<IPEndPoint> remote_address(new IPEndPoint()); | |
| 337 if (!remote_address->FromSockAddr(storage.addr, storage.addr_len)) | |
| 338 return ERR_ADDRESS_INVALID; | |
| 339 remote_address_.reset(remote_address.release()); | |
| 340 } | |
| 341 | |
| 342 *address = *remote_address_; | |
| 343 return OK; | |
| 344 } | |
| 345 | |
| 346 int UDPSocketWin::GetLocalAddress(IPEndPoint* address) const { | |
| 347 DCHECK(CalledOnValidThread()); | |
| 348 DCHECK(address); | |
| 349 if (!is_connected()) | |
| 350 return ERR_SOCKET_NOT_CONNECTED; | |
| 351 | |
| 352 // TODO(szym): Simplify. http://crbug.com/126152 | |
| 353 if (!local_address_.get()) { | |
| 354 SockaddrStorage storage; | |
| 355 if (getsockname(socket_, storage.addr, &storage.addr_len)) | |
| 356 return MapSystemError(WSAGetLastError()); | |
| 357 std::unique_ptr<IPEndPoint> local_address(new IPEndPoint()); | |
| 358 if (!local_address->FromSockAddr(storage.addr, storage.addr_len)) | |
| 359 return ERR_ADDRESS_INVALID; | |
| 360 local_address_.reset(local_address.release()); | |
| 361 net_log_.AddEvent(NetLogEventType::UDP_LOCAL_ADDRESS, | |
| 362 CreateNetLogUDPConnectCallback( | |
| 363 local_address_.get(), | |
| 364 NetworkChangeNotifier::kInvalidNetworkHandle)); | |
| 365 } | |
| 366 | |
| 367 *address = *local_address_; | |
| 368 return OK; | |
| 369 } | |
| 370 | |
| 371 int UDPSocketWin::Read(IOBuffer* buf, | |
| 372 int buf_len, | |
| 373 const CompletionCallback& callback) { | |
| 374 return RecvFrom(buf, buf_len, NULL, callback); | |
| 375 } | |
| 376 | |
| 377 int UDPSocketWin::RecvFrom(IOBuffer* buf, | |
| 378 int buf_len, | |
| 379 IPEndPoint* address, | |
| 380 const CompletionCallback& callback) { | |
| 381 DCHECK(CalledOnValidThread()); | |
| 382 DCHECK_NE(INVALID_SOCKET, socket_); | |
| 383 CHECK(read_callback_.is_null()); | |
| 384 DCHECK(!recv_from_address_); | |
| 385 DCHECK(!callback.is_null()); // Synchronous operation not supported. | |
| 386 DCHECK_GT(buf_len, 0); | |
| 387 | |
| 388 int nread = core_ ? InternalRecvFromOverlapped(buf, buf_len, address) | |
| 389 : InternalRecvFromNonBlocking(buf, buf_len, address); | |
| 390 if (nread != ERR_IO_PENDING) | |
| 391 return nread; | |
| 392 | |
| 393 read_callback_ = callback; | |
| 394 recv_from_address_ = address; | |
| 395 return ERR_IO_PENDING; | |
| 396 } | |
| 397 | |
| 398 int UDPSocketWin::Write(IOBuffer* buf, | |
| 399 int buf_len, | |
| 400 const CompletionCallback& callback) { | |
| 401 return SendToOrWrite(buf, buf_len, remote_address_.get(), callback); | |
| 402 } | |
| 403 | |
| 404 int UDPSocketWin::SendTo(IOBuffer* buf, | |
| 405 int buf_len, | |
| 406 const IPEndPoint& address, | |
| 407 const CompletionCallback& callback) { | |
| 408 return SendToOrWrite(buf, buf_len, &address, callback); | |
| 409 } | |
| 410 | |
| 411 int UDPSocketWin::SendToOrWrite(IOBuffer* buf, | |
| 412 int buf_len, | |
| 413 const IPEndPoint* address, | |
| 414 const CompletionCallback& callback) { | |
| 415 DCHECK(CalledOnValidThread()); | |
| 416 DCHECK_NE(INVALID_SOCKET, socket_); | |
| 417 CHECK(write_callback_.is_null()); | |
| 418 DCHECK(!callback.is_null()); // Synchronous operation not supported. | |
| 419 DCHECK_GT(buf_len, 0); | |
| 420 DCHECK(!send_to_address_.get()); | |
| 421 | |
| 422 int nwrite = core_ ? InternalSendToOverlapped(buf, buf_len, address) | |
| 423 : InternalSendToNonBlocking(buf, buf_len, address); | |
| 424 if (nwrite != ERR_IO_PENDING) | |
| 425 return nwrite; | |
| 426 | |
| 427 if (address) | |
| 428 send_to_address_.reset(new IPEndPoint(*address)); | |
| 429 write_callback_ = callback; | |
| 430 return ERR_IO_PENDING; | |
| 431 } | |
| 432 | |
| 433 int UDPSocketWin::Connect(const IPEndPoint& address) { | |
| 434 DCHECK_NE(socket_, INVALID_SOCKET); | |
| 435 net_log_.BeginEvent( | |
| 436 NetLogEventType::UDP_CONNECT, | |
| 437 CreateNetLogUDPConnectCallback( | |
| 438 &address, NetworkChangeNotifier::kInvalidNetworkHandle)); | |
| 439 int rv = InternalConnect(address); | |
| 440 net_log_.EndEventWithNetErrorCode(NetLogEventType::UDP_CONNECT, rv); | |
| 441 is_connected_ = (rv == OK); | |
| 442 return rv; | |
| 443 } | |
| 444 | |
| 445 int UDPSocketWin::InternalConnect(const IPEndPoint& address) { | |
| 446 DCHECK(!is_connected()); | |
| 447 DCHECK(!remote_address_.get()); | |
| 448 | |
| 449 int rv = 0; | |
| 450 if (bind_type_ == DatagramSocket::RANDOM_BIND) { | |
| 451 // Construct IPAddress of appropriate size (IPv4 or IPv6) of 0s, | |
| 452 // representing INADDR_ANY or in6addr_any. | |
| 453 size_t addr_size = (address.GetSockAddrFamily() == AF_INET) | |
| 454 ? IPAddress::kIPv4AddressSize | |
| 455 : IPAddress::kIPv6AddressSize; | |
| 456 rv = RandomBind(IPAddress::AllZeros(addr_size)); | |
| 457 } | |
| 458 // else connect() does the DatagramSocket::DEFAULT_BIND | |
| 459 | |
| 460 if (rv < 0) { | |
| 461 UMA_HISTOGRAM_SPARSE_SLOWLY("Net.UdpSocketRandomBindErrorCode", -rv); | |
| 462 return rv; | |
| 463 } | |
| 464 | |
| 465 SockaddrStorage storage; | |
| 466 if (!address.ToSockAddr(storage.addr, &storage.addr_len)) | |
| 467 return ERR_ADDRESS_INVALID; | |
| 468 | |
| 469 rv = connect(socket_, storage.addr, storage.addr_len); | |
| 470 if (rv < 0) | |
| 471 return MapSystemError(WSAGetLastError()); | |
| 472 | |
| 473 remote_address_.reset(new IPEndPoint(address)); | |
| 474 return rv; | |
| 475 } | |
| 476 | |
| 477 int UDPSocketWin::Bind(const IPEndPoint& address) { | |
| 478 DCHECK_NE(socket_, INVALID_SOCKET); | |
| 479 DCHECK(!is_connected()); | |
| 480 | |
| 481 int rv = SetMulticastOptions(); | |
| 482 if (rv < 0) | |
| 483 return rv; | |
| 484 | |
| 485 rv = DoBind(address); | |
| 486 if (rv < 0) | |
| 487 return rv; | |
| 488 | |
| 489 local_address_.reset(); | |
| 490 is_connected_ = true; | |
| 491 return rv; | |
| 492 } | |
| 493 | |
| 494 int UDPSocketWin::BindToNetwork(NetworkChangeNotifier::NetworkHandle network) { | |
| 495 NOTIMPLEMENTED(); | |
| 496 return ERR_NOT_IMPLEMENTED; | |
| 497 } | |
| 498 | |
| 499 int UDPSocketWin::SetReceiveBufferSize(int32_t size) { | |
| 500 DCHECK_NE(socket_, INVALID_SOCKET); | |
| 501 DCHECK(CalledOnValidThread()); | |
| 502 int rv = setsockopt(socket_, SOL_SOCKET, SO_RCVBUF, | |
| 503 reinterpret_cast<const char*>(&size), sizeof(size)); | |
| 504 if (rv != 0) | |
| 505 return MapSystemError(WSAGetLastError()); | |
| 506 | |
| 507 // According to documentation, setsockopt may succeed, but we need to check | |
| 508 // the results via getsockopt to be sure it works on Windows. | |
| 509 int32_t actual_size = 0; | |
| 510 int option_size = sizeof(actual_size); | |
| 511 rv = getsockopt(socket_, SOL_SOCKET, SO_RCVBUF, | |
| 512 reinterpret_cast<char*>(&actual_size), &option_size); | |
| 513 if (rv != 0) | |
| 514 return MapSystemError(WSAGetLastError()); | |
| 515 if (actual_size >= size) | |
| 516 return OK; | |
| 517 UMA_HISTOGRAM_CUSTOM_COUNTS("Net.SocketUnchangeableReceiveBuffer", | |
| 518 actual_size, 1000, 1000000, 50); | |
| 519 return ERR_SOCKET_RECEIVE_BUFFER_SIZE_UNCHANGEABLE; | |
| 520 } | |
| 521 | |
| 522 int UDPSocketWin::SetSendBufferSize(int32_t size) { | |
| 523 DCHECK_NE(socket_, INVALID_SOCKET); | |
| 524 DCHECK(CalledOnValidThread()); | |
| 525 int rv = setsockopt(socket_, SOL_SOCKET, SO_SNDBUF, | |
| 526 reinterpret_cast<const char*>(&size), sizeof(size)); | |
| 527 if (rv != 0) | |
| 528 return MapSystemError(WSAGetLastError()); | |
| 529 // According to documentation, setsockopt may succeed, but we need to check | |
| 530 // the results via getsockopt to be sure it works on Windows. | |
| 531 int32_t actual_size = 0; | |
| 532 int option_size = sizeof(actual_size); | |
| 533 rv = getsockopt(socket_, SOL_SOCKET, SO_SNDBUF, | |
| 534 reinterpret_cast<char*>(&actual_size), &option_size); | |
| 535 if (rv != 0) | |
| 536 return MapSystemError(WSAGetLastError()); | |
| 537 if (actual_size >= size) | |
| 538 return OK; | |
| 539 UMA_HISTOGRAM_CUSTOM_COUNTS("Net.SocketUnchangeableSendBuffer", | |
| 540 actual_size, 1000, 1000000, 50); | |
| 541 return ERR_SOCKET_SEND_BUFFER_SIZE_UNCHANGEABLE; | |
| 542 } | |
| 543 | |
| 544 int UDPSocketWin::SetDoNotFragment() { | |
| 545 DCHECK_NE(socket_, INVALID_SOCKET); | |
| 546 DCHECK(CalledOnValidThread()); | |
| 547 | |
| 548 if (addr_family_ == AF_INET6) | |
| 549 return OK; | |
| 550 | |
| 551 DWORD val = 1; | |
| 552 int rv = setsockopt(socket_, IPPROTO_IP, IP_DONTFRAGMENT, | |
| 553 reinterpret_cast<const char*>(&val), sizeof(val)); | |
| 554 return rv == 0 ? OK : MapSystemError(WSAGetLastError()); | |
| 555 } | |
| 556 | |
| 557 int UDPSocketWin::AllowAddressReuse() { | |
| 558 DCHECK_NE(socket_, INVALID_SOCKET); | |
| 559 DCHECK(CalledOnValidThread()); | |
| 560 DCHECK(!is_connected()); | |
| 561 | |
| 562 BOOL true_value = TRUE; | |
| 563 int rv = setsockopt(socket_, SOL_SOCKET, SO_REUSEADDR, | |
| 564 reinterpret_cast<const char*>(&true_value), | |
| 565 sizeof(true_value)); | |
| 566 return rv == 0 ? OK : MapSystemError(WSAGetLastError()); | |
| 567 } | |
| 568 | |
| 569 int UDPSocketWin::SetBroadcast(bool broadcast) { | |
| 570 DCHECK_NE(socket_, INVALID_SOCKET); | |
| 571 DCHECK(CalledOnValidThread()); | |
| 572 | |
| 573 BOOL value = broadcast ? TRUE : FALSE; | |
| 574 int rv = setsockopt(socket_, SOL_SOCKET, SO_BROADCAST, | |
| 575 reinterpret_cast<const char*>(&value), sizeof(value)); | |
| 576 return rv == 0 ? OK : MapSystemError(WSAGetLastError()); | |
| 577 } | |
| 578 | |
| 579 void UDPSocketWin::DoReadCallback(int rv) { | |
| 580 DCHECK_NE(rv, ERR_IO_PENDING); | |
| 581 DCHECK(!read_callback_.is_null()); | |
| 582 | |
| 583 // since Run may result in Read being called, clear read_callback_ up front. | |
| 584 CompletionCallback c = read_callback_; | |
| 585 read_callback_.Reset(); | |
| 586 c.Run(rv); | |
| 587 } | |
| 588 | |
| 589 void UDPSocketWin::DoWriteCallback(int rv) { | |
| 590 DCHECK_NE(rv, ERR_IO_PENDING); | |
| 591 DCHECK(!write_callback_.is_null()); | |
| 592 | |
| 593 // since Run may result in Write being called, clear write_callback_ up front. | |
| 594 CompletionCallback c = write_callback_; | |
| 595 write_callback_.Reset(); | |
| 596 c.Run(rv); | |
| 597 } | |
| 598 | |
| 599 void UDPSocketWin::DidCompleteRead() { | |
| 600 DWORD num_bytes, flags; | |
| 601 BOOL ok = WSAGetOverlappedResult(socket_, &core_->read_overlapped_, | |
| 602 &num_bytes, FALSE, &flags); | |
| 603 WSAResetEvent(core_->read_overlapped_.hEvent); | |
| 604 int result = ok ? num_bytes : MapSystemError(WSAGetLastError()); | |
| 605 // Convert address. | |
| 606 IPEndPoint address; | |
| 607 IPEndPoint* address_to_log = NULL; | |
| 608 if (result >= 0) { | |
| 609 if (address.FromSockAddr(core_->recv_addr_storage_.addr, | |
| 610 core_->recv_addr_storage_.addr_len)) { | |
| 611 if (recv_from_address_) | |
| 612 *recv_from_address_ = address; | |
| 613 address_to_log = &address; | |
| 614 } else { | |
| 615 result = ERR_ADDRESS_INVALID; | |
| 616 } | |
| 617 } | |
| 618 LogRead(result, core_->read_iobuffer_->data(), address_to_log); | |
| 619 core_->read_iobuffer_ = NULL; | |
| 620 recv_from_address_ = NULL; | |
| 621 DoReadCallback(result); | |
| 622 } | |
| 623 | |
| 624 void UDPSocketWin::DidCompleteWrite() { | |
| 625 DWORD num_bytes, flags; | |
| 626 BOOL ok = WSAGetOverlappedResult(socket_, &core_->write_overlapped_, | |
| 627 &num_bytes, FALSE, &flags); | |
| 628 WSAResetEvent(core_->write_overlapped_.hEvent); | |
| 629 int result = ok ? num_bytes : MapSystemError(WSAGetLastError()); | |
| 630 LogWrite(result, core_->write_iobuffer_->data(), send_to_address_.get()); | |
| 631 | |
| 632 send_to_address_.reset(); | |
| 633 core_->write_iobuffer_ = NULL; | |
| 634 DoWriteCallback(result); | |
| 635 } | |
| 636 | |
| 637 void UDPSocketWin::OnObjectSignaled(HANDLE object) { | |
| 638 DCHECK(object == read_write_event_.Get()); | |
| 639 WSANETWORKEVENTS network_events; | |
| 640 int os_error = 0; | |
| 641 int rv = | |
| 642 WSAEnumNetworkEvents(socket_, read_write_event_.Get(), &network_events); | |
| 643 if (rv == SOCKET_ERROR) { | |
| 644 os_error = WSAGetLastError(); | |
| 645 rv = MapSystemError(os_error); | |
| 646 if (read_iobuffer_) { | |
| 647 read_iobuffer_ = NULL; | |
| 648 read_iobuffer_len_ = 0; | |
| 649 recv_from_address_ = NULL; | |
| 650 DoReadCallback(rv); | |
| 651 } | |
| 652 if (write_iobuffer_) { | |
| 653 write_iobuffer_ = NULL; | |
| 654 write_iobuffer_len_ = 0; | |
| 655 send_to_address_.reset(); | |
| 656 DoWriteCallback(rv); | |
| 657 } | |
| 658 return; | |
| 659 } | |
| 660 if ((network_events.lNetworkEvents & FD_READ) && read_iobuffer_) { | |
| 661 OnReadSignaled(); | |
| 662 } | |
| 663 if ((network_events.lNetworkEvents & FD_WRITE) && write_iobuffer_) { | |
| 664 OnWriteSignaled(); | |
| 665 } | |
| 666 | |
| 667 // There's still pending read / write. Watch for further events. | |
| 668 if (read_iobuffer_ || write_iobuffer_) { | |
| 669 WatchForReadWrite(); | |
| 670 } | |
| 671 } | |
| 672 | |
| 673 void UDPSocketWin::OnReadSignaled() { | |
| 674 int rv = InternalRecvFromNonBlocking(read_iobuffer_.get(), read_iobuffer_len_, | |
| 675 recv_from_address_); | |
| 676 if (rv == ERR_IO_PENDING) | |
| 677 return; | |
| 678 read_iobuffer_ = NULL; | |
| 679 read_iobuffer_len_ = 0; | |
| 680 recv_from_address_ = NULL; | |
| 681 DoReadCallback(rv); | |
| 682 } | |
| 683 | |
| 684 void UDPSocketWin::OnWriteSignaled() { | |
| 685 int rv = InternalSendToNonBlocking(write_iobuffer_.get(), write_iobuffer_len_, | |
| 686 send_to_address_.get()); | |
| 687 if (rv == ERR_IO_PENDING) | |
| 688 return; | |
| 689 write_iobuffer_ = NULL; | |
| 690 write_iobuffer_len_ = 0; | |
| 691 send_to_address_.reset(); | |
| 692 DoWriteCallback(rv); | |
| 693 } | |
| 694 | |
| 695 void UDPSocketWin::WatchForReadWrite() { | |
| 696 if (read_write_watcher_.IsWatching()) | |
| 697 return; | |
| 698 bool watched = | |
| 699 read_write_watcher_.StartWatchingOnce(read_write_event_.Get(), this); | |
| 700 DCHECK(watched); | |
| 701 } | |
| 702 | |
| 703 void UDPSocketWin::LogRead(int result, | |
| 704 const char* bytes, | |
| 705 const IPEndPoint* address) const { | |
| 706 if (result < 0) { | |
| 707 net_log_.AddEventWithNetErrorCode(NetLogEventType::UDP_RECEIVE_ERROR, | |
| 708 result); | |
| 709 return; | |
| 710 } | |
| 711 | |
| 712 if (net_log_.IsCapturing()) { | |
| 713 net_log_.AddEvent( | |
| 714 NetLogEventType::UDP_BYTES_RECEIVED, | |
| 715 CreateNetLogUDPDataTranferCallback(result, bytes, address)); | |
| 716 } | |
| 717 | |
| 718 NetworkActivityMonitor::GetInstance()->IncrementBytesReceived(result); | |
| 719 } | |
| 720 | |
| 721 void UDPSocketWin::LogWrite(int result, | |
| 722 const char* bytes, | |
| 723 const IPEndPoint* address) const { | |
| 724 if (result < 0) { | |
| 725 net_log_.AddEventWithNetErrorCode(NetLogEventType::UDP_SEND_ERROR, result); | |
| 726 return; | |
| 727 } | |
| 728 | |
| 729 if (net_log_.IsCapturing()) { | |
| 730 net_log_.AddEvent( | |
| 731 NetLogEventType::UDP_BYTES_SENT, | |
| 732 CreateNetLogUDPDataTranferCallback(result, bytes, address)); | |
| 733 } | |
| 734 | |
| 735 NetworkActivityMonitor::GetInstance()->IncrementBytesSent(result); | |
| 736 } | |
| 737 | |
| 738 int UDPSocketWin::InternalRecvFromOverlapped(IOBuffer* buf, | |
| 739 int buf_len, | |
| 740 IPEndPoint* address) { | |
| 741 DCHECK(!core_->read_iobuffer_.get()); | |
| 742 SockaddrStorage& storage = core_->recv_addr_storage_; | |
| 743 storage.addr_len = sizeof(storage.addr_storage); | |
| 744 | |
| 745 WSABUF read_buffer; | |
| 746 read_buffer.buf = buf->data(); | |
| 747 read_buffer.len = buf_len; | |
| 748 | |
| 749 DWORD flags = 0; | |
| 750 DWORD num; | |
| 751 CHECK_NE(INVALID_SOCKET, socket_); | |
| 752 AssertEventNotSignaled(core_->read_overlapped_.hEvent); | |
| 753 int rv = WSARecvFrom(socket_, &read_buffer, 1, &num, &flags, storage.addr, | |
| 754 &storage.addr_len, &core_->read_overlapped_, NULL); | |
| 755 if (rv == 0) { | |
| 756 if (ResetEventIfSignaled(core_->read_overlapped_.hEvent)) { | |
| 757 int result = num; | |
| 758 // Convert address. | |
| 759 IPEndPoint address_storage; | |
| 760 IPEndPoint* address_to_log = NULL; | |
| 761 if (result >= 0) { | |
| 762 if (address_storage.FromSockAddr(core_->recv_addr_storage_.addr, | |
| 763 core_->recv_addr_storage_.addr_len)) { | |
| 764 if (address) | |
| 765 *address = address_storage; | |
| 766 address_to_log = &address_storage; | |
| 767 } else { | |
| 768 result = ERR_ADDRESS_INVALID; | |
| 769 } | |
| 770 } | |
| 771 LogRead(result, buf->data(), address_to_log); | |
| 772 return result; | |
| 773 } | |
| 774 } else { | |
| 775 int os_error = WSAGetLastError(); | |
| 776 if (os_error != WSA_IO_PENDING) { | |
| 777 int result = MapSystemError(os_error); | |
| 778 LogRead(result, NULL, NULL); | |
| 779 return result; | |
| 780 } | |
| 781 } | |
| 782 core_->WatchForRead(); | |
| 783 core_->read_iobuffer_ = buf; | |
| 784 return ERR_IO_PENDING; | |
| 785 } | |
| 786 | |
| 787 int UDPSocketWin::InternalSendToOverlapped(IOBuffer* buf, | |
| 788 int buf_len, | |
| 789 const IPEndPoint* address) { | |
| 790 DCHECK(!core_->write_iobuffer_.get()); | |
| 791 SockaddrStorage storage; | |
| 792 struct sockaddr* addr = storage.addr; | |
| 793 // Convert address. | |
| 794 if (!address) { | |
| 795 addr = NULL; | |
| 796 storage.addr_len = 0; | |
| 797 } else { | |
| 798 if (!address->ToSockAddr(addr, &storage.addr_len)) { | |
| 799 int result = ERR_ADDRESS_INVALID; | |
| 800 LogWrite(result, NULL, NULL); | |
| 801 return result; | |
| 802 } | |
| 803 } | |
| 804 | |
| 805 WSABUF write_buffer; | |
| 806 write_buffer.buf = buf->data(); | |
| 807 write_buffer.len = buf_len; | |
| 808 | |
| 809 DWORD flags = 0; | |
| 810 DWORD num; | |
| 811 AssertEventNotSignaled(core_->write_overlapped_.hEvent); | |
| 812 int rv = WSASendTo(socket_, &write_buffer, 1, &num, flags, | |
| 813 addr, storage.addr_len, &core_->write_overlapped_, NULL); | |
| 814 if (rv == 0) { | |
| 815 if (ResetEventIfSignaled(core_->write_overlapped_.hEvent)) { | |
| 816 int result = num; | |
| 817 LogWrite(result, buf->data(), address); | |
| 818 return result; | |
| 819 } | |
| 820 } else { | |
| 821 int os_error = WSAGetLastError(); | |
| 822 if (os_error != WSA_IO_PENDING) { | |
| 823 int result = MapSystemError(os_error); | |
| 824 LogWrite(result, NULL, NULL); | |
| 825 return result; | |
| 826 } | |
| 827 } | |
| 828 | |
| 829 core_->WatchForWrite(); | |
| 830 core_->write_iobuffer_ = buf; | |
| 831 return ERR_IO_PENDING; | |
| 832 } | |
| 833 | |
| 834 int UDPSocketWin::InternalRecvFromNonBlocking(IOBuffer* buf, | |
| 835 int buf_len, | |
| 836 IPEndPoint* address) { | |
| 837 DCHECK(!read_iobuffer_ || read_iobuffer_.get() == buf); | |
| 838 SockaddrStorage storage; | |
| 839 storage.addr_len = sizeof(storage.addr_storage); | |
| 840 | |
| 841 CHECK_NE(INVALID_SOCKET, socket_); | |
| 842 int rv = recvfrom(socket_, buf->data(), buf_len, 0, storage.addr, | |
| 843 &storage.addr_len); | |
| 844 if (rv == SOCKET_ERROR) { | |
| 845 int os_error = WSAGetLastError(); | |
| 846 if (os_error == WSAEWOULDBLOCK) { | |
| 847 read_iobuffer_ = buf; | |
| 848 read_iobuffer_len_ = buf_len; | |
| 849 WatchForReadWrite(); | |
| 850 return ERR_IO_PENDING; | |
| 851 } | |
| 852 rv = MapSystemError(os_error); | |
| 853 LogRead(rv, NULL, NULL); | |
| 854 return rv; | |
| 855 } | |
| 856 IPEndPoint address_storage; | |
| 857 IPEndPoint* address_to_log = NULL; | |
| 858 if (rv >= 0) { | |
| 859 if (address_storage.FromSockAddr(storage.addr, storage.addr_len)) { | |
| 860 if (address) | |
| 861 *address = address_storage; | |
| 862 address_to_log = &address_storage; | |
| 863 } else { | |
| 864 rv = ERR_ADDRESS_INVALID; | |
| 865 } | |
| 866 } | |
| 867 LogRead(rv, buf->data(), address_to_log); | |
| 868 return rv; | |
| 869 } | |
| 870 | |
| 871 int UDPSocketWin::InternalSendToNonBlocking(IOBuffer* buf, | |
| 872 int buf_len, | |
| 873 const IPEndPoint* address) { | |
| 874 DCHECK(!write_iobuffer_ || write_iobuffer_.get() == buf); | |
| 875 SockaddrStorage storage; | |
| 876 struct sockaddr* addr = storage.addr; | |
| 877 // Convert address. | |
| 878 if (address) { | |
| 879 if (!address->ToSockAddr(addr, &storage.addr_len)) { | |
| 880 int result = ERR_ADDRESS_INVALID; | |
| 881 LogWrite(result, NULL, NULL); | |
| 882 return result; | |
| 883 } | |
| 884 } else { | |
| 885 addr = NULL; | |
| 886 storage.addr_len = 0; | |
| 887 } | |
| 888 | |
| 889 int rv = sendto(socket_, buf->data(), buf_len, 0, addr, storage.addr_len); | |
| 890 if (rv == SOCKET_ERROR) { | |
| 891 int os_error = WSAGetLastError(); | |
| 892 if (os_error == WSAEWOULDBLOCK) { | |
| 893 write_iobuffer_ = buf; | |
| 894 write_iobuffer_len_ = buf_len; | |
| 895 WatchForReadWrite(); | |
| 896 return ERR_IO_PENDING; | |
| 897 } | |
| 898 rv = MapSystemError(os_error); | |
| 899 LogWrite(rv, NULL, NULL); | |
| 900 return rv; | |
| 901 } | |
| 902 LogWrite(rv, buf->data(), address); | |
| 903 return rv; | |
| 904 } | |
| 905 | |
| 906 int UDPSocketWin::SetMulticastOptions() { | |
| 907 if (!(socket_options_ & SOCKET_OPTION_MULTICAST_LOOP)) { | |
| 908 DWORD loop = 0; | |
| 909 int protocol_level = | |
| 910 addr_family_ == AF_INET ? IPPROTO_IP : IPPROTO_IPV6; | |
| 911 int option = | |
| 912 addr_family_ == AF_INET ? IP_MULTICAST_LOOP: IPV6_MULTICAST_LOOP; | |
| 913 int rv = setsockopt(socket_, protocol_level, option, | |
| 914 reinterpret_cast<const char*>(&loop), sizeof(loop)); | |
| 915 if (rv < 0) | |
| 916 return MapSystemError(WSAGetLastError()); | |
| 917 } | |
| 918 if (multicast_time_to_live_ != 1) { | |
| 919 DWORD hops = multicast_time_to_live_; | |
| 920 int protocol_level = | |
| 921 addr_family_ == AF_INET ? IPPROTO_IP : IPPROTO_IPV6; | |
| 922 int option = | |
| 923 addr_family_ == AF_INET ? IP_MULTICAST_TTL: IPV6_MULTICAST_HOPS; | |
| 924 int rv = setsockopt(socket_, protocol_level, option, | |
| 925 reinterpret_cast<const char*>(&hops), sizeof(hops)); | |
| 926 if (rv < 0) | |
| 927 return MapSystemError(WSAGetLastError()); | |
| 928 } | |
| 929 if (multicast_interface_ != 0) { | |
| 930 switch (addr_family_) { | |
| 931 case AF_INET: { | |
| 932 in_addr address; | |
| 933 address.s_addr = htonl(multicast_interface_); | |
| 934 int rv = setsockopt(socket_, IPPROTO_IP, IP_MULTICAST_IF, | |
| 935 reinterpret_cast<const char*>(&address), | |
| 936 sizeof(address)); | |
| 937 if (rv) | |
| 938 return MapSystemError(WSAGetLastError()); | |
| 939 break; | |
| 940 } | |
| 941 case AF_INET6: { | |
| 942 uint32_t interface_index = multicast_interface_; | |
| 943 int rv = setsockopt(socket_, IPPROTO_IPV6, IPV6_MULTICAST_IF, | |
| 944 reinterpret_cast<const char*>(&interface_index), | |
| 945 sizeof(interface_index)); | |
| 946 if (rv) | |
| 947 return MapSystemError(WSAGetLastError()); | |
| 948 break; | |
| 949 } | |
| 950 default: | |
| 951 NOTREACHED() << "Invalid address family"; | |
| 952 return ERR_ADDRESS_INVALID; | |
| 953 } | |
| 954 } | |
| 955 return OK; | |
| 956 } | |
| 957 | |
| 958 int UDPSocketWin::DoBind(const IPEndPoint& address) { | |
| 959 SockaddrStorage storage; | |
| 960 if (!address.ToSockAddr(storage.addr, &storage.addr_len)) | |
| 961 return ERR_ADDRESS_INVALID; | |
| 962 int rv = bind(socket_, storage.addr, storage.addr_len); | |
| 963 if (rv == 0) | |
| 964 return OK; | |
| 965 int last_error = WSAGetLastError(); | |
| 966 UMA_HISTOGRAM_SPARSE_SLOWLY("Net.UdpSocketBindErrorFromWinOS", last_error); | |
| 967 // Map some codes that are special to bind() separately. | |
| 968 // * WSAEACCES: If a port is already bound to a socket, WSAEACCES may be | |
| 969 // returned instead of WSAEADDRINUSE, depending on whether the socket | |
| 970 // option SO_REUSEADDR or SO_EXCLUSIVEADDRUSE is set and whether the | |
| 971 // conflicting socket is owned by a different user account. See the MSDN | |
| 972 // page "Using SO_REUSEADDR and SO_EXCLUSIVEADDRUSE" for the gory details. | |
| 973 if (last_error == WSAEACCES || last_error == WSAEADDRNOTAVAIL) | |
| 974 return ERR_ADDRESS_IN_USE; | |
| 975 return MapSystemError(last_error); | |
| 976 } | |
| 977 | |
| 978 int UDPSocketWin::RandomBind(const IPAddress& address) { | |
| 979 DCHECK(bind_type_ == DatagramSocket::RANDOM_BIND && !rand_int_cb_.is_null()); | |
| 980 | |
| 981 for (int i = 0; i < kBindRetries; ++i) { | |
| 982 int rv = DoBind(IPEndPoint(address, static_cast<uint16_t>(rand_int_cb_.Run( | |
| 983 kPortStart, kPortEnd)))); | |
| 984 if (rv != ERR_ADDRESS_IN_USE) | |
| 985 return rv; | |
| 986 } | |
| 987 return DoBind(IPEndPoint(address, 0)); | |
| 988 } | |
| 989 | |
| 990 int UDPSocketWin::JoinGroup(const IPAddress& group_address) const { | |
| 991 DCHECK(CalledOnValidThread()); | |
| 992 if (!is_connected()) | |
| 993 return ERR_SOCKET_NOT_CONNECTED; | |
| 994 | |
| 995 switch (group_address.size()) { | |
| 996 case IPAddress::kIPv4AddressSize: { | |
| 997 if (addr_family_ != AF_INET) | |
| 998 return ERR_ADDRESS_INVALID; | |
| 999 ip_mreq mreq; | |
| 1000 mreq.imr_interface.s_addr = htonl(multicast_interface_); | |
| 1001 memcpy(&mreq.imr_multiaddr, group_address.bytes().data(), | |
| 1002 IPAddress::kIPv4AddressSize); | |
| 1003 int rv = setsockopt(socket_, IPPROTO_IP, IP_ADD_MEMBERSHIP, | |
| 1004 reinterpret_cast<const char*>(&mreq), | |
| 1005 sizeof(mreq)); | |
| 1006 if (rv) | |
| 1007 return MapSystemError(WSAGetLastError()); | |
| 1008 return OK; | |
| 1009 } | |
| 1010 case IPAddress::kIPv6AddressSize: { | |
| 1011 if (addr_family_ != AF_INET6) | |
| 1012 return ERR_ADDRESS_INVALID; | |
| 1013 ipv6_mreq mreq; | |
| 1014 mreq.ipv6mr_interface = multicast_interface_; | |
| 1015 memcpy(&mreq.ipv6mr_multiaddr, group_address.bytes().data(), | |
| 1016 IPAddress::kIPv6AddressSize); | |
| 1017 int rv = setsockopt(socket_, IPPROTO_IPV6, IPV6_ADD_MEMBERSHIP, | |
| 1018 reinterpret_cast<const char*>(&mreq), | |
| 1019 sizeof(mreq)); | |
| 1020 if (rv) | |
| 1021 return MapSystemError(WSAGetLastError()); | |
| 1022 return OK; | |
| 1023 } | |
| 1024 default: | |
| 1025 NOTREACHED() << "Invalid address family"; | |
| 1026 return ERR_ADDRESS_INVALID; | |
| 1027 } | |
| 1028 } | |
| 1029 | |
| 1030 int UDPSocketWin::LeaveGroup(const IPAddress& group_address) const { | |
| 1031 DCHECK(CalledOnValidThread()); | |
| 1032 if (!is_connected()) | |
| 1033 return ERR_SOCKET_NOT_CONNECTED; | |
| 1034 | |
| 1035 switch (group_address.size()) { | |
| 1036 case IPAddress::kIPv4AddressSize: { | |
| 1037 if (addr_family_ != AF_INET) | |
| 1038 return ERR_ADDRESS_INVALID; | |
| 1039 ip_mreq mreq; | |
| 1040 mreq.imr_interface.s_addr = htonl(multicast_interface_); | |
| 1041 memcpy(&mreq.imr_multiaddr, group_address.bytes().data(), | |
| 1042 IPAddress::kIPv4AddressSize); | |
| 1043 int rv = setsockopt(socket_, IPPROTO_IP, IP_DROP_MEMBERSHIP, | |
| 1044 reinterpret_cast<const char*>(&mreq), sizeof(mreq)); | |
| 1045 if (rv) | |
| 1046 return MapSystemError(WSAGetLastError()); | |
| 1047 return OK; | |
| 1048 } | |
| 1049 case IPAddress::kIPv6AddressSize: { | |
| 1050 if (addr_family_ != AF_INET6) | |
| 1051 return ERR_ADDRESS_INVALID; | |
| 1052 ipv6_mreq mreq; | |
| 1053 mreq.ipv6mr_interface = multicast_interface_; | |
| 1054 memcpy(&mreq.ipv6mr_multiaddr, group_address.bytes().data(), | |
| 1055 IPAddress::kIPv6AddressSize); | |
| 1056 int rv = setsockopt(socket_, IPPROTO_IPV6, IP_DROP_MEMBERSHIP, | |
| 1057 reinterpret_cast<const char*>(&mreq), sizeof(mreq)); | |
| 1058 if (rv) | |
| 1059 return MapSystemError(WSAGetLastError()); | |
| 1060 return OK; | |
| 1061 } | |
| 1062 default: | |
| 1063 NOTREACHED() << "Invalid address family"; | |
| 1064 return ERR_ADDRESS_INVALID; | |
| 1065 } | |
| 1066 } | |
| 1067 | |
| 1068 int UDPSocketWin::SetMulticastInterface(uint32_t interface_index) { | |
| 1069 DCHECK(CalledOnValidThread()); | |
| 1070 if (is_connected()) | |
| 1071 return ERR_SOCKET_IS_CONNECTED; | |
| 1072 multicast_interface_ = interface_index; | |
| 1073 return OK; | |
| 1074 } | |
| 1075 | |
| 1076 int UDPSocketWin::SetMulticastTimeToLive(int time_to_live) { | |
| 1077 DCHECK(CalledOnValidThread()); | |
| 1078 if (is_connected()) | |
| 1079 return ERR_SOCKET_IS_CONNECTED; | |
| 1080 | |
| 1081 if (time_to_live < 0 || time_to_live > 255) | |
| 1082 return ERR_INVALID_ARGUMENT; | |
| 1083 multicast_time_to_live_ = time_to_live; | |
| 1084 return OK; | |
| 1085 } | |
| 1086 | |
| 1087 int UDPSocketWin::SetMulticastLoopbackMode(bool loopback) { | |
| 1088 DCHECK(CalledOnValidThread()); | |
| 1089 if (is_connected()) | |
| 1090 return ERR_SOCKET_IS_CONNECTED; | |
| 1091 | |
| 1092 if (loopback) | |
| 1093 socket_options_ |= SOCKET_OPTION_MULTICAST_LOOP; | |
| 1094 else | |
| 1095 socket_options_ &= ~SOCKET_OPTION_MULTICAST_LOOP; | |
| 1096 return OK; | |
| 1097 } | |
| 1098 | |
| 1099 int UDPSocketWin::SetDiffServCodePoint(DiffServCodePoint dscp) { | |
| 1100 if (dscp == DSCP_NO_CHANGE) { | |
| 1101 return OK; | |
| 1102 } | |
| 1103 | |
| 1104 if (!is_connected()) | |
| 1105 return ERR_SOCKET_NOT_CONNECTED; | |
| 1106 | |
| 1107 QwaveAPI& qos(QwaveAPI::Get()); | |
| 1108 | |
| 1109 if (!qos.qwave_supported()) | |
| 1110 return ERROR_NOT_SUPPORTED; | |
| 1111 | |
| 1112 if (qos_handle_ == NULL) { | |
| 1113 QOS_VERSION version; | |
| 1114 version.MajorVersion = 1; | |
| 1115 version.MinorVersion = 0; | |
| 1116 qos.CreateHandle(&version, &qos_handle_); | |
| 1117 if (qos_handle_ == NULL) | |
| 1118 return ERROR_NOT_SUPPORTED; | |
| 1119 } | |
| 1120 | |
| 1121 QOS_TRAFFIC_TYPE traffic_type = QOSTrafficTypeBestEffort; | |
| 1122 switch (dscp) { | |
| 1123 case DSCP_CS0: | |
| 1124 traffic_type = QOSTrafficTypeBestEffort; | |
| 1125 break; | |
| 1126 case DSCP_CS1: | |
| 1127 traffic_type = QOSTrafficTypeBackground; | |
| 1128 break; | |
| 1129 case DSCP_AF11: | |
| 1130 case DSCP_AF12: | |
| 1131 case DSCP_AF13: | |
| 1132 case DSCP_CS2: | |
| 1133 case DSCP_AF21: | |
| 1134 case DSCP_AF22: | |
| 1135 case DSCP_AF23: | |
| 1136 case DSCP_CS3: | |
| 1137 case DSCP_AF31: | |
| 1138 case DSCP_AF32: | |
| 1139 case DSCP_AF33: | |
| 1140 case DSCP_CS4: | |
| 1141 traffic_type = QOSTrafficTypeExcellentEffort; | |
| 1142 break; | |
| 1143 case DSCP_AF41: | |
| 1144 case DSCP_AF42: | |
| 1145 case DSCP_AF43: | |
| 1146 case DSCP_CS5: | |
| 1147 traffic_type = QOSTrafficTypeAudioVideo; | |
| 1148 break; | |
| 1149 case DSCP_EF: | |
| 1150 case DSCP_CS6: | |
| 1151 traffic_type = QOSTrafficTypeVoice; | |
| 1152 break; | |
| 1153 case DSCP_CS7: | |
| 1154 traffic_type = QOSTrafficTypeControl; | |
| 1155 break; | |
| 1156 case DSCP_NO_CHANGE: | |
| 1157 NOTREACHED(); | |
| 1158 break; | |
| 1159 } | |
| 1160 if (qos_flow_id_ != 0) { | |
| 1161 qos.RemoveSocketFromFlow(qos_handle_, NULL, qos_flow_id_, 0); | |
| 1162 qos_flow_id_ = 0; | |
| 1163 } | |
| 1164 if (!qos.AddSocketToFlow(qos_handle_, | |
| 1165 socket_, | |
| 1166 NULL, | |
| 1167 traffic_type, | |
| 1168 QOS_NON_ADAPTIVE_FLOW, | |
| 1169 &qos_flow_id_)) { | |
| 1170 DWORD err = GetLastError(); | |
| 1171 if (err == ERROR_DEVICE_REINITIALIZATION_NEEDED) { | |
| 1172 qos.CloseHandle(qos_handle_); | |
| 1173 qos_flow_id_ = 0; | |
| 1174 qos_handle_ = 0; | |
| 1175 } | |
| 1176 return MapSystemError(err); | |
| 1177 } | |
| 1178 // This requires admin rights, and may fail, if so we ignore it | |
| 1179 // as AddSocketToFlow should still do *approximately* the right thing. | |
| 1180 DWORD buf = dscp; | |
| 1181 qos.SetFlow(qos_handle_, | |
| 1182 qos_flow_id_, | |
| 1183 QOSSetOutgoingDSCPValue, | |
| 1184 sizeof(buf), | |
| 1185 &buf, | |
| 1186 0, | |
| 1187 NULL); | |
| 1188 | |
| 1189 return OK; | |
| 1190 } | |
| 1191 | |
| 1192 void UDPSocketWin::DetachFromThread() { | |
| 1193 base::NonThreadSafe::DetachFromThread(); | |
| 1194 } | |
| 1195 | |
| 1196 void UDPSocketWin::UseNonBlockingIO() { | |
| 1197 DCHECK(!core_); | |
| 1198 use_non_blocking_io_ = true; | |
| 1199 } | |
| 1200 | |
| 1201 } // namespace net | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 2508593002:
net: move udp directory into socket (Closed)
