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| 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/basictypes.h" | |
| 10 #include "base/callback.h" | |
| 11 #include "base/lazy_instance.h" | |
| 12 #include "base/logging.h" | |
| 13 #include "base/message_loop/message_loop.h" | |
| 14 #include "base/metrics/histogram.h" | |
| 15 #include "base/metrics/sparse_histogram.h" | |
| 16 #include "base/profiler/scoped_tracker.h" | |
| 17 #include "base/rand_util.h" | |
| 18 #include "net/base/io_buffer.h" | |
| 19 #include "net/base/ip_endpoint.h" | |
| 20 #include "net/base/net_errors.h" | |
| 21 #include "net/base/net_log.h" | |
| 22 #include "net/base/net_util.h" | |
| 23 #include "net/base/network_activity_monitor.h" | |
| 24 #include "net/base/winsock_init.h" | |
| 25 #include "net/base/winsock_util.h" | |
| 26 #include "net/socket/socket_descriptor.h" | |
| 27 #include "net/udp/udp_net_log_parameters.h" | |
| 28 | |
| 29 namespace { | |
| 30 | |
| 31 const int kBindRetries = 10; | |
| 32 const int kPortStart = 1024; | |
| 33 const int kPortEnd = 65535; | |
| 34 | |
| 35 } // namespace | |
| 36 | |
| 37 namespace net { | |
| 38 | |
| 39 // This class encapsulates all the state that has to be preserved as long as | |
| 40 // there is a network IO operation in progress. If the owner UDPSocketWin | |
| 41 // is destroyed while an operation is in progress, the Core is detached and it | |
| 42 // lives until the operation completes and the OS doesn't reference any resource | |
| 43 // declared on this class anymore. | |
| 44 class UDPSocketWin::Core : public base::RefCounted<Core> { | |
| 45 public: | |
| 46 explicit Core(UDPSocketWin* socket); | |
| 47 | |
| 48 // Start watching for the end of a read or write operation. | |
| 49 void WatchForRead(); | |
| 50 void WatchForWrite(); | |
| 51 | |
| 52 // The UDPSocketWin is going away. | |
| 53 void Detach() { socket_ = NULL; } | |
| 54 | |
| 55 // The separate OVERLAPPED variables for asynchronous operation. | |
| 56 OVERLAPPED read_overlapped_; | |
| 57 OVERLAPPED write_overlapped_; | |
| 58 | |
| 59 // The buffers used in Read() and Write(). | |
| 60 scoped_refptr<IOBuffer> read_iobuffer_; | |
| 61 scoped_refptr<IOBuffer> write_iobuffer_; | |
| 62 | |
| 63 // The address storage passed to WSARecvFrom(). | |
| 64 SockaddrStorage recv_addr_storage_; | |
| 65 | |
| 66 private: | |
| 67 friend class base::RefCounted<Core>; | |
| 68 | |
| 69 class ReadDelegate : public base::win::ObjectWatcher::Delegate { | |
| 70 public: | |
| 71 explicit ReadDelegate(Core* core) : core_(core) {} | |
| 72 virtual ~ReadDelegate() {} | |
| 73 | |
| 74 // base::ObjectWatcher::Delegate methods: | |
| 75 virtual void OnObjectSignaled(HANDLE object); | |
| 76 | |
| 77 private: | |
| 78 Core* const core_; | |
| 79 }; | |
| 80 | |
| 81 class WriteDelegate : public base::win::ObjectWatcher::Delegate { | |
| 82 public: | |
| 83 explicit WriteDelegate(Core* core) : core_(core) {} | |
| 84 virtual ~WriteDelegate() {} | |
| 85 | |
| 86 // base::ObjectWatcher::Delegate methods: | |
| 87 virtual void OnObjectSignaled(HANDLE object); | |
| 88 | |
| 89 private: | |
| 90 Core* const core_; | |
| 91 }; | |
| 92 | |
| 93 ~Core(); | |
| 94 | |
| 95 // The socket that created this object. | |
| 96 UDPSocketWin* socket_; | |
| 97 | |
| 98 // |reader_| handles the signals from |read_watcher_|. | |
| 99 ReadDelegate reader_; | |
| 100 // |writer_| handles the signals from |write_watcher_|. | |
| 101 WriteDelegate writer_; | |
| 102 | |
| 103 // |read_watcher_| watches for events from Read(). | |
| 104 base::win::ObjectWatcher read_watcher_; | |
| 105 // |write_watcher_| watches for events from Write(); | |
| 106 base::win::ObjectWatcher write_watcher_; | |
| 107 | |
| 108 DISALLOW_COPY_AND_ASSIGN(Core); | |
| 109 }; | |
| 110 | |
| 111 UDPSocketWin::Core::Core(UDPSocketWin* socket) | |
| 112 : socket_(socket), | |
| 113 reader_(this), | |
| 114 writer_(this) { | |
| 115 memset(&read_overlapped_, 0, sizeof(read_overlapped_)); | |
| 116 memset(&write_overlapped_, 0, sizeof(write_overlapped_)); | |
| 117 | |
| 118 read_overlapped_.hEvent = WSACreateEvent(); | |
| 119 write_overlapped_.hEvent = WSACreateEvent(); | |
| 120 } | |
| 121 | |
| 122 UDPSocketWin::Core::~Core() { | |
| 123 // Make sure the message loop is not watching this object anymore. | |
| 124 read_watcher_.StopWatching(); | |
| 125 write_watcher_.StopWatching(); | |
| 126 | |
| 127 WSACloseEvent(read_overlapped_.hEvent); | |
| 128 memset(&read_overlapped_, 0xaf, sizeof(read_overlapped_)); | |
| 129 WSACloseEvent(write_overlapped_.hEvent); | |
| 130 memset(&write_overlapped_, 0xaf, sizeof(write_overlapped_)); | |
| 131 } | |
| 132 | |
| 133 void UDPSocketWin::Core::WatchForRead() { | |
| 134 // We grab an extra reference because there is an IO operation in progress. | |
| 135 // Balanced in ReadDelegate::OnObjectSignaled(). | |
| 136 AddRef(); | |
| 137 read_watcher_.StartWatching(read_overlapped_.hEvent, &reader_); | |
| 138 } | |
| 139 | |
| 140 void UDPSocketWin::Core::WatchForWrite() { | |
| 141 // We grab an extra reference because there is an IO operation in progress. | |
| 142 // Balanced in WriteDelegate::OnObjectSignaled(). | |
| 143 AddRef(); | |
| 144 write_watcher_.StartWatching(write_overlapped_.hEvent, &writer_); | |
| 145 } | |
| 146 | |
| 147 void UDPSocketWin::Core::ReadDelegate::OnObjectSignaled(HANDLE object) { | |
| 148 // TODO(vadimt): Remove ScopedTracker below once crbug.com/418183 is fixed. | |
| 149 tracked_objects::ScopedTracker tracking_profile( | |
| 150 FROM_HERE_WITH_EXPLICIT_FUNCTION( | |
| 151 "418183 UDPSocketWin::Core::ReadDelegate::OnObjectSignaled")); | |
| 152 | |
| 153 DCHECK_EQ(object, core_->read_overlapped_.hEvent); | |
| 154 if (core_->socket_) | |
| 155 core_->socket_->DidCompleteRead(); | |
| 156 | |
| 157 core_->Release(); | |
| 158 } | |
| 159 | |
| 160 void UDPSocketWin::Core::WriteDelegate::OnObjectSignaled(HANDLE object) { | |
| 161 // TODO(vadimt): Remove ScopedTracker below once crbug.com/418183 is fixed. | |
| 162 tracked_objects::ScopedTracker tracking_profile( | |
| 163 FROM_HERE_WITH_EXPLICIT_FUNCTION( | |
| 164 "418183 UDPSocketWin::Core::WriteDelegate::OnObjectSignaled")); | |
| 165 | |
| 166 DCHECK_EQ(object, core_->write_overlapped_.hEvent); | |
| 167 if (core_->socket_) | |
| 168 core_->socket_->DidCompleteWrite(); | |
| 169 | |
| 170 core_->Release(); | |
| 171 } | |
| 172 //----------------------------------------------------------------------------- | |
| 173 | |
| 174 QwaveAPI::QwaveAPI() : qwave_supported_(false) { | |
| 175 HMODULE qwave = LoadLibrary(L"qwave.dll"); | |
| 176 if (!qwave) | |
| 177 return; | |
| 178 create_handle_func_ = | |
| 179 (CreateHandleFn)GetProcAddress(qwave, "QOSCreateHandle"); | |
| 180 close_handle_func_ = | |
| 181 (CloseHandleFn)GetProcAddress(qwave, "QOSCloseHandle"); | |
| 182 add_socket_to_flow_func_ = | |
| 183 (AddSocketToFlowFn)GetProcAddress(qwave, "QOSAddSocketToFlow"); | |
| 184 remove_socket_from_flow_func_ = | |
| 185 (RemoveSocketFromFlowFn)GetProcAddress(qwave, "QOSRemoveSocketFromFlow"); | |
| 186 set_flow_func_ = (SetFlowFn)GetProcAddress(qwave, "QOSSetFlow"); | |
| 187 | |
| 188 if (create_handle_func_ && close_handle_func_ && | |
| 189 add_socket_to_flow_func_ && remove_socket_from_flow_func_ && | |
| 190 set_flow_func_) { | |
| 191 qwave_supported_ = true; | |
| 192 } | |
| 193 } | |
| 194 | |
| 195 QwaveAPI& QwaveAPI::Get() { | |
| 196 static base::LazyInstance<QwaveAPI>::Leaky lazy_qwave = | |
| 197 LAZY_INSTANCE_INITIALIZER; | |
| 198 return lazy_qwave.Get(); | |
| 199 } | |
| 200 | |
| 201 bool QwaveAPI::qwave_supported() const { | |
| 202 return qwave_supported_; | |
| 203 } | |
| 204 BOOL QwaveAPI::CreateHandle(PQOS_VERSION version, PHANDLE handle) { | |
| 205 return create_handle_func_(version, handle); | |
| 206 } | |
| 207 BOOL QwaveAPI::CloseHandle(HANDLE handle) { | |
| 208 return close_handle_func_(handle); | |
| 209 } | |
| 210 | |
| 211 BOOL QwaveAPI::AddSocketToFlow(HANDLE handle, | |
| 212 SOCKET socket, | |
| 213 PSOCKADDR addr, | |
| 214 QOS_TRAFFIC_TYPE traffic_type, | |
| 215 DWORD flags, | |
| 216 PQOS_FLOWID flow_id) { | |
| 217 return add_socket_to_flow_func_(handle, | |
| 218 socket, | |
| 219 addr, | |
| 220 traffic_type, | |
| 221 flags, | |
| 222 flow_id); | |
| 223 } | |
| 224 | |
| 225 BOOL QwaveAPI::RemoveSocketFromFlow(HANDLE handle, | |
| 226 SOCKET socket, | |
| 227 QOS_FLOWID flow_id, | |
| 228 DWORD reserved) { | |
| 229 return remove_socket_from_flow_func_(handle, socket, flow_id, reserved); | |
| 230 } | |
| 231 | |
| 232 BOOL QwaveAPI::SetFlow(HANDLE handle, | |
| 233 QOS_FLOWID flow_id, | |
| 234 QOS_SET_FLOW op, | |
| 235 ULONG size, | |
| 236 PVOID data, | |
| 237 DWORD reserved, | |
| 238 LPOVERLAPPED overlapped) { | |
| 239 return set_flow_func_(handle, | |
| 240 flow_id, | |
| 241 op, | |
| 242 size, | |
| 243 data, | |
| 244 reserved, | |
| 245 overlapped); | |
| 246 } | |
| 247 | |
| 248 | |
| 249 //----------------------------------------------------------------------------- | |
| 250 | |
| 251 UDPSocketWin::UDPSocketWin(DatagramSocket::BindType bind_type, | |
| 252 const RandIntCallback& rand_int_cb, | |
| 253 net::NetLog* net_log, | |
| 254 const net::NetLog::Source& source) | |
| 255 : socket_(INVALID_SOCKET), | |
| 256 addr_family_(0), | |
| 257 is_connected_(false), | |
| 258 socket_options_(SOCKET_OPTION_MULTICAST_LOOP), | |
| 259 multicast_interface_(0), | |
| 260 multicast_time_to_live_(1), | |
| 261 bind_type_(bind_type), | |
| 262 rand_int_cb_(rand_int_cb), | |
| 263 use_non_blocking_io_(false), | |
| 264 read_iobuffer_len_(0), | |
| 265 write_iobuffer_len_(0), | |
| 266 recv_from_address_(NULL), | |
| 267 net_log_(BoundNetLog::Make(net_log, NetLog::SOURCE_UDP_SOCKET)), | |
| 268 qos_handle_(NULL), | |
| 269 qos_flow_id_(0) { | |
| 270 EnsureWinsockInit(); | |
| 271 net_log_.BeginEvent(NetLog::TYPE_SOCKET_ALIVE, | |
| 272 source.ToEventParametersCallback()); | |
| 273 if (bind_type == DatagramSocket::RANDOM_BIND) | |
| 274 DCHECK(!rand_int_cb.is_null()); | |
| 275 } | |
| 276 | |
| 277 UDPSocketWin::~UDPSocketWin() { | |
| 278 Close(); | |
| 279 net_log_.EndEvent(NetLog::TYPE_SOCKET_ALIVE); | |
| 280 } | |
| 281 | |
| 282 int UDPSocketWin::Open(AddressFamily address_family) { | |
| 283 DCHECK(CalledOnValidThread()); | |
| 284 DCHECK_EQ(socket_, INVALID_SOCKET); | |
| 285 | |
| 286 addr_family_ = ConvertAddressFamily(address_family); | |
| 287 socket_ = CreatePlatformSocket(addr_family_, SOCK_DGRAM, IPPROTO_UDP); | |
| 288 if (socket_ == INVALID_SOCKET) | |
| 289 return MapSystemError(WSAGetLastError()); | |
| 290 if (!use_non_blocking_io_) { | |
| 291 core_ = new Core(this); | |
| 292 } else { | |
| 293 read_write_event_.Set(WSACreateEvent()); | |
| 294 WSAEventSelect(socket_, read_write_event_.Get(), FD_READ | FD_WRITE); | |
| 295 } | |
| 296 return OK; | |
| 297 } | |
| 298 | |
| 299 void UDPSocketWin::Close() { | |
| 300 DCHECK(CalledOnValidThread()); | |
| 301 | |
| 302 if (socket_ == INVALID_SOCKET) | |
| 303 return; | |
| 304 | |
| 305 if (qos_handle_) { | |
| 306 QwaveAPI::Get().CloseHandle(qos_handle_); | |
| 307 } | |
| 308 | |
| 309 // Zero out any pending read/write callback state. | |
| 310 read_callback_.Reset(); | |
| 311 recv_from_address_ = NULL; | |
| 312 write_callback_.Reset(); | |
| 313 | |
| 314 base::TimeTicks start_time = base::TimeTicks::Now(); | |
| 315 closesocket(socket_); | |
| 316 UMA_HISTOGRAM_TIMES("Net.UDPSocketWinClose", | |
| 317 base::TimeTicks::Now() - start_time); | |
| 318 socket_ = INVALID_SOCKET; | |
| 319 addr_family_ = 0; | |
| 320 is_connected_ = false; | |
| 321 | |
| 322 read_write_watcher_.StopWatching(); | |
| 323 read_write_event_.Close(); | |
| 324 | |
| 325 if (core_) { | |
| 326 core_->Detach(); | |
| 327 core_ = NULL; | |
| 328 } | |
| 329 } | |
| 330 | |
| 331 int UDPSocketWin::GetPeerAddress(IPEndPoint* address) const { | |
| 332 DCHECK(CalledOnValidThread()); | |
| 333 DCHECK(address); | |
| 334 if (!is_connected()) | |
| 335 return ERR_SOCKET_NOT_CONNECTED; | |
| 336 | |
| 337 // TODO(szym): Simplify. http://crbug.com/126152 | |
| 338 if (!remote_address_.get()) { | |
| 339 SockaddrStorage storage; | |
| 340 if (getpeername(socket_, storage.addr, &storage.addr_len)) | |
| 341 return MapSystemError(WSAGetLastError()); | |
| 342 scoped_ptr<IPEndPoint> remote_address(new IPEndPoint()); | |
| 343 if (!remote_address->FromSockAddr(storage.addr, storage.addr_len)) | |
| 344 return ERR_ADDRESS_INVALID; | |
| 345 remote_address_.reset(remote_address.release()); | |
| 346 } | |
| 347 | |
| 348 *address = *remote_address_; | |
| 349 return OK; | |
| 350 } | |
| 351 | |
| 352 int UDPSocketWin::GetLocalAddress(IPEndPoint* address) const { | |
| 353 DCHECK(CalledOnValidThread()); | |
| 354 DCHECK(address); | |
| 355 if (!is_connected()) | |
| 356 return ERR_SOCKET_NOT_CONNECTED; | |
| 357 | |
| 358 // TODO(szym): Simplify. http://crbug.com/126152 | |
| 359 if (!local_address_.get()) { | |
| 360 SockaddrStorage storage; | |
| 361 if (getsockname(socket_, storage.addr, &storage.addr_len)) | |
| 362 return MapSystemError(WSAGetLastError()); | |
| 363 scoped_ptr<IPEndPoint> local_address(new IPEndPoint()); | |
| 364 if (!local_address->FromSockAddr(storage.addr, storage.addr_len)) | |
| 365 return ERR_ADDRESS_INVALID; | |
| 366 local_address_.reset(local_address.release()); | |
| 367 net_log_.AddEvent(NetLog::TYPE_UDP_LOCAL_ADDRESS, | |
| 368 CreateNetLogUDPConnectCallback(local_address_.get())); | |
| 369 } | |
| 370 | |
| 371 *address = *local_address_; | |
| 372 return OK; | |
| 373 } | |
| 374 | |
| 375 int UDPSocketWin::Read(IOBuffer* buf, | |
| 376 int buf_len, | |
| 377 const CompletionCallback& callback) { | |
| 378 return RecvFrom(buf, buf_len, NULL, callback); | |
| 379 } | |
| 380 | |
| 381 int UDPSocketWin::RecvFrom(IOBuffer* buf, | |
| 382 int buf_len, | |
| 383 IPEndPoint* address, | |
| 384 const CompletionCallback& callback) { | |
| 385 DCHECK(CalledOnValidThread()); | |
| 386 DCHECK_NE(INVALID_SOCKET, socket_); | |
| 387 CHECK(read_callback_.is_null()); | |
| 388 DCHECK(!recv_from_address_); | |
| 389 DCHECK(!callback.is_null()); // Synchronous operation not supported. | |
| 390 DCHECK_GT(buf_len, 0); | |
| 391 | |
| 392 int nread = core_ ? InternalRecvFromOverlapped(buf, buf_len, address) | |
| 393 : InternalRecvFromNonBlocking(buf, buf_len, address); | |
| 394 if (nread != ERR_IO_PENDING) | |
| 395 return nread; | |
| 396 | |
| 397 read_callback_ = callback; | |
| 398 recv_from_address_ = address; | |
| 399 return ERR_IO_PENDING; | |
| 400 } | |
| 401 | |
| 402 int UDPSocketWin::Write(IOBuffer* buf, | |
| 403 int buf_len, | |
| 404 const CompletionCallback& callback) { | |
| 405 return SendToOrWrite(buf, buf_len, NULL, callback); | |
| 406 } | |
| 407 | |
| 408 int UDPSocketWin::SendTo(IOBuffer* buf, | |
| 409 int buf_len, | |
| 410 const IPEndPoint& address, | |
| 411 const CompletionCallback& callback) { | |
| 412 return SendToOrWrite(buf, buf_len, &address, callback); | |
| 413 } | |
| 414 | |
| 415 int UDPSocketWin::SendToOrWrite(IOBuffer* buf, | |
| 416 int buf_len, | |
| 417 const IPEndPoint* address, | |
| 418 const CompletionCallback& callback) { | |
| 419 DCHECK(CalledOnValidThread()); | |
| 420 DCHECK_NE(INVALID_SOCKET, socket_); | |
| 421 CHECK(write_callback_.is_null()); | |
| 422 DCHECK(!callback.is_null()); // Synchronous operation not supported. | |
| 423 DCHECK_GT(buf_len, 0); | |
| 424 DCHECK(!send_to_address_.get()); | |
| 425 | |
| 426 int nwrite = core_ ? InternalSendToOverlapped(buf, buf_len, address) | |
| 427 : InternalSendToNonBlocking(buf, buf_len, address); | |
| 428 if (nwrite != ERR_IO_PENDING) | |
| 429 return nwrite; | |
| 430 | |
| 431 if (address) | |
| 432 send_to_address_.reset(new IPEndPoint(*address)); | |
| 433 write_callback_ = callback; | |
| 434 return ERR_IO_PENDING; | |
| 435 } | |
| 436 | |
| 437 int UDPSocketWin::Connect(const IPEndPoint& address) { | |
| 438 DCHECK_NE(socket_, INVALID_SOCKET); | |
| 439 net_log_.BeginEvent(NetLog::TYPE_UDP_CONNECT, | |
| 440 CreateNetLogUDPConnectCallback(&address)); | |
| 441 int rv = InternalConnect(address); | |
| 442 net_log_.EndEventWithNetErrorCode(NetLog::TYPE_UDP_CONNECT, rv); | |
| 443 is_connected_ = (rv == OK); | |
| 444 return rv; | |
| 445 } | |
| 446 | |
| 447 int UDPSocketWin::InternalConnect(const IPEndPoint& address) { | |
| 448 DCHECK(!is_connected()); | |
| 449 DCHECK(!remote_address_.get()); | |
| 450 | |
| 451 int rv = 0; | |
| 452 if (bind_type_ == DatagramSocket::RANDOM_BIND) { | |
| 453 // Construct IPAddressNumber of appropriate size (IPv4 or IPv6) of 0s, | |
| 454 // representing INADDR_ANY or in6addr_any. | |
| 455 size_t addr_size = (address.GetSockAddrFamily() == AF_INET) ? | |
| 456 kIPv4AddressSize : kIPv6AddressSize; | |
| 457 IPAddressNumber addr_any(addr_size); | |
| 458 rv = RandomBind(addr_any); | |
| 459 } | |
| 460 // else connect() does the DatagramSocket::DEFAULT_BIND | |
| 461 | |
| 462 if (rv < 0) { | |
| 463 UMA_HISTOGRAM_SPARSE_SLOWLY("Net.UdpSocketRandomBindErrorCode", -rv); | |
| 464 return rv; | |
| 465 } | |
| 466 | |
| 467 SockaddrStorage storage; | |
| 468 if (!address.ToSockAddr(storage.addr, &storage.addr_len)) | |
| 469 return ERR_ADDRESS_INVALID; | |
| 470 | |
| 471 rv = connect(socket_, storage.addr, storage.addr_len); | |
| 472 if (rv < 0) | |
| 473 return MapSystemError(WSAGetLastError()); | |
| 474 | |
| 475 remote_address_.reset(new IPEndPoint(address)); | |
| 476 return rv; | |
| 477 } | |
| 478 | |
| 479 int UDPSocketWin::Bind(const IPEndPoint& address) { | |
| 480 DCHECK_NE(socket_, INVALID_SOCKET); | |
| 481 DCHECK(!is_connected()); | |
| 482 | |
| 483 int rv = SetMulticastOptions(); | |
| 484 if (rv < 0) | |
| 485 return rv; | |
| 486 | |
| 487 rv = DoBind(address); | |
| 488 if (rv < 0) | |
| 489 return rv; | |
| 490 | |
| 491 local_address_.reset(); | |
| 492 is_connected_ = true; | |
| 493 return rv; | |
| 494 } | |
| 495 | |
| 496 int UDPSocketWin::SetReceiveBufferSize(int32 size) { | |
| 497 DCHECK_NE(socket_, INVALID_SOCKET); | |
| 498 DCHECK(CalledOnValidThread()); | |
| 499 int rv = setsockopt(socket_, SOL_SOCKET, SO_RCVBUF, | |
| 500 reinterpret_cast<const char*>(&size), sizeof(size)); | |
| 501 if (rv != 0) | |
| 502 return MapSystemError(WSAGetLastError()); | |
| 503 | |
| 504 // According to documentation, setsockopt may succeed, but we need to check | |
| 505 // the results via getsockopt to be sure it works on Windows. | |
| 506 int32 actual_size = 0; | |
| 507 int option_size = sizeof(actual_size); | |
| 508 rv = getsockopt(socket_, SOL_SOCKET, SO_RCVBUF, | |
| 509 reinterpret_cast<char*>(&actual_size), &option_size); | |
| 510 if (rv != 0) | |
| 511 return MapSystemError(WSAGetLastError()); | |
| 512 if (actual_size >= size) | |
| 513 return OK; | |
| 514 UMA_HISTOGRAM_CUSTOM_COUNTS("Net.SocketUnchangeableReceiveBuffer", | |
| 515 actual_size, 1000, 1000000, 50); | |
| 516 return ERR_SOCKET_RECEIVE_BUFFER_SIZE_UNCHANGEABLE; | |
| 517 } | |
| 518 | |
| 519 int UDPSocketWin::SetSendBufferSize(int32 size) { | |
| 520 DCHECK_NE(socket_, INVALID_SOCKET); | |
| 521 DCHECK(CalledOnValidThread()); | |
| 522 int rv = setsockopt(socket_, SOL_SOCKET, SO_SNDBUF, | |
| 523 reinterpret_cast<const char*>(&size), sizeof(size)); | |
| 524 if (rv != 0) | |
| 525 return MapSystemError(WSAGetLastError()); | |
| 526 // According to documentation, setsockopt may succeed, but we need to check | |
| 527 // the results via getsockopt to be sure it works on Windows. | |
| 528 int32 actual_size = 0; | |
| 529 int option_size = sizeof(actual_size); | |
| 530 rv = getsockopt(socket_, SOL_SOCKET, SO_SNDBUF, | |
| 531 reinterpret_cast<char*>(&actual_size), &option_size); | |
| 532 if (rv != 0) | |
| 533 return MapSystemError(WSAGetLastError()); | |
| 534 if (actual_size >= size) | |
| 535 return OK; | |
| 536 UMA_HISTOGRAM_CUSTOM_COUNTS("Net.SocketUnchangeableSendBuffer", | |
| 537 actual_size, 1000, 1000000, 50); | |
| 538 return ERR_SOCKET_SEND_BUFFER_SIZE_UNCHANGEABLE; | |
| 539 } | |
| 540 | |
| 541 int UDPSocketWin::AllowAddressReuse() { | |
| 542 DCHECK_NE(socket_, INVALID_SOCKET); | |
| 543 DCHECK(CalledOnValidThread()); | |
| 544 DCHECK(!is_connected()); | |
| 545 | |
| 546 BOOL true_value = TRUE; | |
| 547 int rv = setsockopt(socket_, SOL_SOCKET, SO_REUSEADDR, | |
| 548 reinterpret_cast<const char*>(&true_value), | |
| 549 sizeof(true_value)); | |
| 550 return rv == 0 ? OK : MapSystemError(WSAGetLastError()); | |
| 551 } | |
| 552 | |
| 553 int UDPSocketWin::SetBroadcast(bool broadcast) { | |
| 554 DCHECK_NE(socket_, INVALID_SOCKET); | |
| 555 DCHECK(CalledOnValidThread()); | |
| 556 | |
| 557 BOOL value = broadcast ? TRUE : FALSE; | |
| 558 int rv = setsockopt(socket_, SOL_SOCKET, SO_BROADCAST, | |
| 559 reinterpret_cast<const char*>(&value), sizeof(value)); | |
| 560 return rv == 0 ? OK : MapSystemError(WSAGetLastError()); | |
| 561 } | |
| 562 | |
| 563 void UDPSocketWin::DoReadCallback(int rv) { | |
| 564 DCHECK_NE(rv, ERR_IO_PENDING); | |
| 565 DCHECK(!read_callback_.is_null()); | |
| 566 | |
| 567 // since Run may result in Read being called, clear read_callback_ up front. | |
| 568 CompletionCallback c = read_callback_; | |
| 569 read_callback_.Reset(); | |
| 570 c.Run(rv); | |
| 571 } | |
| 572 | |
| 573 void UDPSocketWin::DoWriteCallback(int rv) { | |
| 574 DCHECK_NE(rv, ERR_IO_PENDING); | |
| 575 DCHECK(!write_callback_.is_null()); | |
| 576 | |
| 577 // since Run may result in Write being called, clear write_callback_ up front. | |
| 578 CompletionCallback c = write_callback_; | |
| 579 write_callback_.Reset(); | |
| 580 c.Run(rv); | |
| 581 } | |
| 582 | |
| 583 void UDPSocketWin::DidCompleteRead() { | |
| 584 DWORD num_bytes, flags; | |
| 585 BOOL ok = WSAGetOverlappedResult(socket_, &core_->read_overlapped_, | |
| 586 &num_bytes, FALSE, &flags); | |
| 587 WSAResetEvent(core_->read_overlapped_.hEvent); | |
| 588 int result = ok ? num_bytes : MapSystemError(WSAGetLastError()); | |
| 589 // Convert address. | |
| 590 IPEndPoint address; | |
| 591 IPEndPoint* address_to_log = NULL; | |
| 592 if (result >= 0) { | |
| 593 if (address.FromSockAddr(core_->recv_addr_storage_.addr, | |
| 594 core_->recv_addr_storage_.addr_len)) { | |
| 595 if (recv_from_address_) | |
| 596 *recv_from_address_ = address; | |
| 597 address_to_log = &address; | |
| 598 } else { | |
| 599 result = ERR_ADDRESS_INVALID; | |
| 600 } | |
| 601 } | |
| 602 LogRead(result, core_->read_iobuffer_->data(), address_to_log); | |
| 603 core_->read_iobuffer_ = NULL; | |
| 604 recv_from_address_ = NULL; | |
| 605 DoReadCallback(result); | |
| 606 } | |
| 607 | |
| 608 void UDPSocketWin::DidCompleteWrite() { | |
| 609 DWORD num_bytes, flags; | |
| 610 BOOL ok = WSAGetOverlappedResult(socket_, &core_->write_overlapped_, | |
| 611 &num_bytes, FALSE, &flags); | |
| 612 WSAResetEvent(core_->write_overlapped_.hEvent); | |
| 613 int result = ok ? num_bytes : MapSystemError(WSAGetLastError()); | |
| 614 LogWrite(result, core_->write_iobuffer_->data(), send_to_address_.get()); | |
| 615 | |
| 616 send_to_address_.reset(); | |
| 617 core_->write_iobuffer_ = NULL; | |
| 618 DoWriteCallback(result); | |
| 619 } | |
| 620 | |
| 621 void UDPSocketWin::OnObjectSignaled(HANDLE object) { | |
| 622 DCHECK(object == read_write_event_.Get()); | |
| 623 WSANETWORKEVENTS network_events; | |
| 624 int os_error = 0; | |
| 625 int rv = | |
| 626 WSAEnumNetworkEvents(socket_, read_write_event_.Get(), &network_events); | |
| 627 if (rv == SOCKET_ERROR) { | |
| 628 os_error = WSAGetLastError(); | |
| 629 rv = MapSystemError(os_error); | |
| 630 if (read_iobuffer_) { | |
| 631 read_iobuffer_ = NULL; | |
| 632 read_iobuffer_len_ = 0; | |
| 633 recv_from_address_ = NULL; | |
| 634 DoReadCallback(rv); | |
| 635 } | |
| 636 if (write_iobuffer_) { | |
| 637 write_iobuffer_ = NULL; | |
| 638 write_iobuffer_len_ = 0; | |
| 639 send_to_address_.reset(); | |
| 640 DoWriteCallback(rv); | |
| 641 } | |
| 642 return; | |
| 643 } | |
| 644 if ((network_events.lNetworkEvents & FD_READ) && read_iobuffer_) { | |
| 645 OnReadSignaled(); | |
| 646 } | |
| 647 if ((network_events.lNetworkEvents & FD_WRITE) && write_iobuffer_) { | |
| 648 OnWriteSignaled(); | |
| 649 } | |
| 650 | |
| 651 // There's still pending read / write. Watch for further events. | |
| 652 if (read_iobuffer_ || write_iobuffer_) { | |
| 653 WatchForReadWrite(); | |
| 654 } | |
| 655 } | |
| 656 | |
| 657 void UDPSocketWin::OnReadSignaled() { | |
| 658 int rv = InternalRecvFromNonBlocking(read_iobuffer_.get(), read_iobuffer_len_, | |
| 659 recv_from_address_); | |
| 660 if (rv == ERR_IO_PENDING) | |
| 661 return; | |
| 662 read_iobuffer_ = NULL; | |
| 663 read_iobuffer_len_ = 0; | |
| 664 recv_from_address_ = NULL; | |
| 665 DoReadCallback(rv); | |
| 666 } | |
| 667 | |
| 668 void UDPSocketWin::OnWriteSignaled() { | |
| 669 int rv = InternalSendToNonBlocking(write_iobuffer_.get(), write_iobuffer_len_, | |
| 670 send_to_address_.get()); | |
| 671 if (rv == ERR_IO_PENDING) | |
| 672 return; | |
| 673 write_iobuffer_ = NULL; | |
| 674 write_iobuffer_len_ = 0; | |
| 675 send_to_address_.reset(); | |
| 676 DoWriteCallback(rv); | |
| 677 } | |
| 678 | |
| 679 void UDPSocketWin::WatchForReadWrite() { | |
| 680 if (read_write_watcher_.IsWatching()) | |
| 681 return; | |
| 682 bool watched = | |
| 683 read_write_watcher_.StartWatching(read_write_event_.Get(), this); | |
| 684 DCHECK(watched); | |
| 685 } | |
| 686 | |
| 687 void UDPSocketWin::LogRead(int result, | |
| 688 const char* bytes, | |
| 689 const IPEndPoint* address) const { | |
| 690 if (result < 0) { | |
| 691 net_log_.AddEventWithNetErrorCode(NetLog::TYPE_UDP_RECEIVE_ERROR, result); | |
| 692 return; | |
| 693 } | |
| 694 | |
| 695 if (net_log_.IsLogging()) { | |
| 696 net_log_.AddEvent( | |
| 697 NetLog::TYPE_UDP_BYTES_RECEIVED, | |
| 698 CreateNetLogUDPDataTranferCallback(result, bytes, address)); | |
| 699 } | |
| 700 | |
| 701 NetworkActivityMonitor::GetInstance()->IncrementBytesReceived(result); | |
| 702 } | |
| 703 | |
| 704 void UDPSocketWin::LogWrite(int result, | |
| 705 const char* bytes, | |
| 706 const IPEndPoint* address) const { | |
| 707 if (result < 0) { | |
| 708 net_log_.AddEventWithNetErrorCode(NetLog::TYPE_UDP_SEND_ERROR, result); | |
| 709 return; | |
| 710 } | |
| 711 | |
| 712 if (net_log_.IsLogging()) { | |
| 713 net_log_.AddEvent( | |
| 714 NetLog::TYPE_UDP_BYTES_SENT, | |
| 715 CreateNetLogUDPDataTranferCallback(result, bytes, address)); | |
| 716 } | |
| 717 | |
| 718 NetworkActivityMonitor::GetInstance()->IncrementBytesSent(result); | |
| 719 } | |
| 720 | |
| 721 int UDPSocketWin::InternalRecvFromOverlapped(IOBuffer* buf, | |
| 722 int buf_len, | |
| 723 IPEndPoint* address) { | |
| 724 DCHECK(!core_->read_iobuffer_.get()); | |
| 725 SockaddrStorage& storage = core_->recv_addr_storage_; | |
| 726 storage.addr_len = sizeof(storage.addr_storage); | |
| 727 | |
| 728 WSABUF read_buffer; | |
| 729 read_buffer.buf = buf->data(); | |
| 730 read_buffer.len = buf_len; | |
| 731 | |
| 732 DWORD flags = 0; | |
| 733 DWORD num; | |
| 734 CHECK_NE(INVALID_SOCKET, socket_); | |
| 735 AssertEventNotSignaled(core_->read_overlapped_.hEvent); | |
| 736 int rv = WSARecvFrom(socket_, &read_buffer, 1, &num, &flags, storage.addr, | |
| 737 &storage.addr_len, &core_->read_overlapped_, NULL); | |
| 738 if (rv == 0) { | |
| 739 if (ResetEventIfSignaled(core_->read_overlapped_.hEvent)) { | |
| 740 int result = num; | |
| 741 // Convert address. | |
| 742 IPEndPoint address_storage; | |
| 743 IPEndPoint* address_to_log = NULL; | |
| 744 if (result >= 0) { | |
| 745 if (address_storage.FromSockAddr(core_->recv_addr_storage_.addr, | |
| 746 core_->recv_addr_storage_.addr_len)) { | |
| 747 if (address) | |
| 748 *address = address_storage; | |
| 749 address_to_log = &address_storage; | |
| 750 } else { | |
| 751 result = ERR_ADDRESS_INVALID; | |
| 752 } | |
| 753 } | |
| 754 LogRead(result, buf->data(), address_to_log); | |
| 755 return result; | |
| 756 } | |
| 757 } else { | |
| 758 int os_error = WSAGetLastError(); | |
| 759 if (os_error != WSA_IO_PENDING) { | |
| 760 int result = MapSystemError(os_error); | |
| 761 LogRead(result, NULL, NULL); | |
| 762 return result; | |
| 763 } | |
| 764 } | |
| 765 core_->WatchForRead(); | |
| 766 core_->read_iobuffer_ = buf; | |
| 767 return ERR_IO_PENDING; | |
| 768 } | |
| 769 | |
| 770 int UDPSocketWin::InternalSendToOverlapped(IOBuffer* buf, | |
| 771 int buf_len, | |
| 772 const IPEndPoint* address) { | |
| 773 DCHECK(!core_->write_iobuffer_.get()); | |
| 774 SockaddrStorage storage; | |
| 775 struct sockaddr* addr = storage.addr; | |
| 776 // Convert address. | |
| 777 if (!address) { | |
| 778 addr = NULL; | |
| 779 storage.addr_len = 0; | |
| 780 } else { | |
| 781 if (!address->ToSockAddr(addr, &storage.addr_len)) { | |
| 782 int result = ERR_ADDRESS_INVALID; | |
| 783 LogWrite(result, NULL, NULL); | |
| 784 return result; | |
| 785 } | |
| 786 } | |
| 787 | |
| 788 WSABUF write_buffer; | |
| 789 write_buffer.buf = buf->data(); | |
| 790 write_buffer.len = buf_len; | |
| 791 | |
| 792 DWORD flags = 0; | |
| 793 DWORD num; | |
| 794 AssertEventNotSignaled(core_->write_overlapped_.hEvent); | |
| 795 int rv = WSASendTo(socket_, &write_buffer, 1, &num, flags, | |
| 796 addr, storage.addr_len, &core_->write_overlapped_, NULL); | |
| 797 if (rv == 0) { | |
| 798 if (ResetEventIfSignaled(core_->write_overlapped_.hEvent)) { | |
| 799 int result = num; | |
| 800 LogWrite(result, buf->data(), address); | |
| 801 return result; | |
| 802 } | |
| 803 } else { | |
| 804 int os_error = WSAGetLastError(); | |
| 805 if (os_error != WSA_IO_PENDING) { | |
| 806 int result = MapSystemError(os_error); | |
| 807 LogWrite(result, NULL, NULL); | |
| 808 return result; | |
| 809 } | |
| 810 } | |
| 811 | |
| 812 core_->WatchForWrite(); | |
| 813 core_->write_iobuffer_ = buf; | |
| 814 return ERR_IO_PENDING; | |
| 815 } | |
| 816 | |
| 817 int UDPSocketWin::InternalRecvFromNonBlocking(IOBuffer* buf, | |
| 818 int buf_len, | |
| 819 IPEndPoint* address) { | |
| 820 DCHECK(!read_iobuffer_ || read_iobuffer_.get() == buf); | |
| 821 SockaddrStorage storage; | |
| 822 storage.addr_len = sizeof(storage.addr_storage); | |
| 823 | |
| 824 CHECK_NE(INVALID_SOCKET, socket_); | |
| 825 int rv = recvfrom(socket_, buf->data(), buf_len, 0, storage.addr, | |
| 826 &storage.addr_len); | |
| 827 if (rv == SOCKET_ERROR) { | |
| 828 int os_error = WSAGetLastError(); | |
| 829 if (os_error == WSAEWOULDBLOCK) { | |
| 830 read_iobuffer_ = buf; | |
| 831 read_iobuffer_len_ = buf_len; | |
| 832 WatchForReadWrite(); | |
| 833 return ERR_IO_PENDING; | |
| 834 } | |
| 835 rv = MapSystemError(os_error); | |
| 836 LogRead(rv, NULL, NULL); | |
| 837 return rv; | |
| 838 } | |
| 839 IPEndPoint address_storage; | |
| 840 IPEndPoint* address_to_log = NULL; | |
| 841 if (rv >= 0) { | |
| 842 if (address_storage.FromSockAddr(storage.addr, storage.addr_len)) { | |
| 843 if (address) | |
| 844 *address = address_storage; | |
| 845 address_to_log = &address_storage; | |
| 846 } else { | |
| 847 rv = ERR_ADDRESS_INVALID; | |
| 848 } | |
| 849 } | |
| 850 LogRead(rv, buf->data(), address_to_log); | |
| 851 return rv; | |
| 852 } | |
| 853 | |
| 854 int UDPSocketWin::InternalSendToNonBlocking(IOBuffer* buf, | |
| 855 int buf_len, | |
| 856 const IPEndPoint* address) { | |
| 857 DCHECK(!write_iobuffer_ || write_iobuffer_.get() == buf); | |
| 858 SockaddrStorage storage; | |
| 859 struct sockaddr* addr = storage.addr; | |
| 860 // Convert address. | |
| 861 if (address) { | |
| 862 if (!address->ToSockAddr(addr, &storage.addr_len)) { | |
| 863 int result = ERR_ADDRESS_INVALID; | |
| 864 LogWrite(result, NULL, NULL); | |
| 865 return result; | |
| 866 } | |
| 867 } else { | |
| 868 addr = NULL; | |
| 869 storage.addr_len = 0; | |
| 870 } | |
| 871 | |
| 872 int rv = sendto(socket_, buf->data(), buf_len, 0, addr, storage.addr_len); | |
| 873 if (rv == SOCKET_ERROR) { | |
| 874 int os_error = WSAGetLastError(); | |
| 875 if (os_error == WSAEWOULDBLOCK) { | |
| 876 write_iobuffer_ = buf; | |
| 877 write_iobuffer_len_ = buf_len; | |
| 878 WatchForReadWrite(); | |
| 879 return ERR_IO_PENDING; | |
| 880 } | |
| 881 rv = MapSystemError(os_error); | |
| 882 LogWrite(rv, NULL, NULL); | |
| 883 return rv; | |
| 884 } | |
| 885 LogWrite(rv, buf->data(), address); | |
| 886 return rv; | |
| 887 } | |
| 888 | |
| 889 int UDPSocketWin::SetMulticastOptions() { | |
| 890 if (!(socket_options_ & SOCKET_OPTION_MULTICAST_LOOP)) { | |
| 891 DWORD loop = 0; | |
| 892 int protocol_level = | |
| 893 addr_family_ == AF_INET ? IPPROTO_IP : IPPROTO_IPV6; | |
| 894 int option = | |
| 895 addr_family_ == AF_INET ? IP_MULTICAST_LOOP: IPV6_MULTICAST_LOOP; | |
| 896 int rv = setsockopt(socket_, protocol_level, option, | |
| 897 reinterpret_cast<const char*>(&loop), sizeof(loop)); | |
| 898 if (rv < 0) | |
| 899 return MapSystemError(WSAGetLastError()); | |
| 900 } | |
| 901 if (multicast_time_to_live_ != 1) { | |
| 902 DWORD hops = multicast_time_to_live_; | |
| 903 int protocol_level = | |
| 904 addr_family_ == AF_INET ? IPPROTO_IP : IPPROTO_IPV6; | |
| 905 int option = | |
| 906 addr_family_ == AF_INET ? IP_MULTICAST_TTL: IPV6_MULTICAST_HOPS; | |
| 907 int rv = setsockopt(socket_, protocol_level, option, | |
| 908 reinterpret_cast<const char*>(&hops), sizeof(hops)); | |
| 909 if (rv < 0) | |
| 910 return MapSystemError(WSAGetLastError()); | |
| 911 } | |
| 912 if (multicast_interface_ != 0) { | |
| 913 switch (addr_family_) { | |
| 914 case AF_INET: { | |
| 915 in_addr address; | |
| 916 address.s_addr = htonl(multicast_interface_); | |
| 917 int rv = setsockopt(socket_, IPPROTO_IP, IP_MULTICAST_IF, | |
| 918 reinterpret_cast<const char*>(&address), | |
| 919 sizeof(address)); | |
| 920 if (rv) | |
| 921 return MapSystemError(WSAGetLastError()); | |
| 922 break; | |
| 923 } | |
| 924 case AF_INET6: { | |
| 925 uint32 interface_index = multicast_interface_; | |
| 926 int rv = setsockopt(socket_, IPPROTO_IPV6, IPV6_MULTICAST_IF, | |
| 927 reinterpret_cast<const char*>(&interface_index), | |
| 928 sizeof(interface_index)); | |
| 929 if (rv) | |
| 930 return MapSystemError(WSAGetLastError()); | |
| 931 break; | |
| 932 } | |
| 933 default: | |
| 934 NOTREACHED() << "Invalid address family"; | |
| 935 return ERR_ADDRESS_INVALID; | |
| 936 } | |
| 937 } | |
| 938 return OK; | |
| 939 } | |
| 940 | |
| 941 int UDPSocketWin::DoBind(const IPEndPoint& address) { | |
| 942 SockaddrStorage storage; | |
| 943 if (!address.ToSockAddr(storage.addr, &storage.addr_len)) | |
| 944 return ERR_ADDRESS_INVALID; | |
| 945 int rv = bind(socket_, storage.addr, storage.addr_len); | |
| 946 if (rv == 0) | |
| 947 return OK; | |
| 948 int last_error = WSAGetLastError(); | |
| 949 UMA_HISTOGRAM_SPARSE_SLOWLY("Net.UdpSocketBindErrorFromWinOS", last_error); | |
| 950 // Map some codes that are special to bind() separately. | |
| 951 // * WSAEACCES: If a port is already bound to a socket, WSAEACCES may be | |
| 952 // returned instead of WSAEADDRINUSE, depending on whether the socket | |
| 953 // option SO_REUSEADDR or SO_EXCLUSIVEADDRUSE is set and whether the | |
| 954 // conflicting socket is owned by a different user account. See the MSDN | |
| 955 // page "Using SO_REUSEADDR and SO_EXCLUSIVEADDRUSE" for the gory details. | |
| 956 if (last_error == WSAEACCES || last_error == WSAEADDRNOTAVAIL) | |
| 957 return ERR_ADDRESS_IN_USE; | |
| 958 return MapSystemError(last_error); | |
| 959 } | |
| 960 | |
| 961 int UDPSocketWin::RandomBind(const IPAddressNumber& address) { | |
| 962 DCHECK(bind_type_ == DatagramSocket::RANDOM_BIND && !rand_int_cb_.is_null()); | |
| 963 | |
| 964 for (int i = 0; i < kBindRetries; ++i) { | |
| 965 int rv = DoBind(IPEndPoint( | |
| 966 address, static_cast<uint16>(rand_int_cb_.Run(kPortStart, kPortEnd)))); | |
| 967 if (rv == OK || rv != ERR_ADDRESS_IN_USE) | |
| 968 return rv; | |
| 969 } | |
| 970 return DoBind(IPEndPoint(address, 0)); | |
| 971 } | |
| 972 | |
| 973 int UDPSocketWin::JoinGroup( | |
| 974 const IPAddressNumber& group_address) const { | |
| 975 DCHECK(CalledOnValidThread()); | |
| 976 if (!is_connected()) | |
| 977 return ERR_SOCKET_NOT_CONNECTED; | |
| 978 | |
| 979 switch (group_address.size()) { | |
| 980 case kIPv4AddressSize: { | |
| 981 if (addr_family_ != AF_INET) | |
| 982 return ERR_ADDRESS_INVALID; | |
| 983 ip_mreq mreq; | |
| 984 mreq.imr_interface.s_addr = htonl(multicast_interface_); | |
| 985 memcpy(&mreq.imr_multiaddr, &group_address[0], kIPv4AddressSize); | |
| 986 int rv = setsockopt(socket_, IPPROTO_IP, IP_ADD_MEMBERSHIP, | |
| 987 reinterpret_cast<const char*>(&mreq), | |
| 988 sizeof(mreq)); | |
| 989 if (rv) | |
| 990 return MapSystemError(WSAGetLastError()); | |
| 991 return OK; | |
| 992 } | |
| 993 case kIPv6AddressSize: { | |
| 994 if (addr_family_ != AF_INET6) | |
| 995 return ERR_ADDRESS_INVALID; | |
| 996 ipv6_mreq mreq; | |
| 997 mreq.ipv6mr_interface = multicast_interface_; | |
| 998 memcpy(&mreq.ipv6mr_multiaddr, &group_address[0], kIPv6AddressSize); | |
| 999 int rv = setsockopt(socket_, IPPROTO_IPV6, IPV6_ADD_MEMBERSHIP, | |
| 1000 reinterpret_cast<const char*>(&mreq), | |
| 1001 sizeof(mreq)); | |
| 1002 if (rv) | |
| 1003 return MapSystemError(WSAGetLastError()); | |
| 1004 return OK; | |
| 1005 } | |
| 1006 default: | |
| 1007 NOTREACHED() << "Invalid address family"; | |
| 1008 return ERR_ADDRESS_INVALID; | |
| 1009 } | |
| 1010 } | |
| 1011 | |
| 1012 int UDPSocketWin::LeaveGroup( | |
| 1013 const IPAddressNumber& group_address) const { | |
| 1014 DCHECK(CalledOnValidThread()); | |
| 1015 if (!is_connected()) | |
| 1016 return ERR_SOCKET_NOT_CONNECTED; | |
| 1017 | |
| 1018 switch (group_address.size()) { | |
| 1019 case kIPv4AddressSize: { | |
| 1020 if (addr_family_ != AF_INET) | |
| 1021 return ERR_ADDRESS_INVALID; | |
| 1022 ip_mreq mreq; | |
| 1023 mreq.imr_interface.s_addr = htonl(multicast_interface_); | |
| 1024 memcpy(&mreq.imr_multiaddr, &group_address[0], kIPv4AddressSize); | |
| 1025 int rv = setsockopt(socket_, IPPROTO_IP, IP_DROP_MEMBERSHIP, | |
| 1026 reinterpret_cast<const char*>(&mreq), sizeof(mreq)); | |
| 1027 if (rv) | |
| 1028 return MapSystemError(WSAGetLastError()); | |
| 1029 return OK; | |
| 1030 } | |
| 1031 case kIPv6AddressSize: { | |
| 1032 if (addr_family_ != AF_INET6) | |
| 1033 return ERR_ADDRESS_INVALID; | |
| 1034 ipv6_mreq mreq; | |
| 1035 mreq.ipv6mr_interface = multicast_interface_; | |
| 1036 memcpy(&mreq.ipv6mr_multiaddr, &group_address[0], kIPv6AddressSize); | |
| 1037 int rv = setsockopt(socket_, IPPROTO_IPV6, IP_DROP_MEMBERSHIP, | |
| 1038 reinterpret_cast<const char*>(&mreq), sizeof(mreq)); | |
| 1039 if (rv) | |
| 1040 return MapSystemError(WSAGetLastError()); | |
| 1041 return OK; | |
| 1042 } | |
| 1043 default: | |
| 1044 NOTREACHED() << "Invalid address family"; | |
| 1045 return ERR_ADDRESS_INVALID; | |
| 1046 } | |
| 1047 } | |
| 1048 | |
| 1049 int UDPSocketWin::SetMulticastInterface(uint32 interface_index) { | |
| 1050 DCHECK(CalledOnValidThread()); | |
| 1051 if (is_connected()) | |
| 1052 return ERR_SOCKET_IS_CONNECTED; | |
| 1053 multicast_interface_ = interface_index; | |
| 1054 return OK; | |
| 1055 } | |
| 1056 | |
| 1057 int UDPSocketWin::SetMulticastTimeToLive(int time_to_live) { | |
| 1058 DCHECK(CalledOnValidThread()); | |
| 1059 if (is_connected()) | |
| 1060 return ERR_SOCKET_IS_CONNECTED; | |
| 1061 | |
| 1062 if (time_to_live < 0 || time_to_live > 255) | |
| 1063 return ERR_INVALID_ARGUMENT; | |
| 1064 multicast_time_to_live_ = time_to_live; | |
| 1065 return OK; | |
| 1066 } | |
| 1067 | |
| 1068 int UDPSocketWin::SetMulticastLoopbackMode(bool loopback) { | |
| 1069 DCHECK(CalledOnValidThread()); | |
| 1070 if (is_connected()) | |
| 1071 return ERR_SOCKET_IS_CONNECTED; | |
| 1072 | |
| 1073 if (loopback) | |
| 1074 socket_options_ |= SOCKET_OPTION_MULTICAST_LOOP; | |
| 1075 else | |
| 1076 socket_options_ &= ~SOCKET_OPTION_MULTICAST_LOOP; | |
| 1077 return OK; | |
| 1078 } | |
| 1079 | |
| 1080 int UDPSocketWin::SetDiffServCodePoint(DiffServCodePoint dscp) { | |
| 1081 if (dscp == DSCP_NO_CHANGE) { | |
| 1082 return OK; | |
| 1083 } | |
| 1084 | |
| 1085 if (!is_connected()) | |
| 1086 return ERR_SOCKET_NOT_CONNECTED; | |
| 1087 | |
| 1088 QwaveAPI& qos(QwaveAPI::Get()); | |
| 1089 | |
| 1090 if (!qos.qwave_supported()) | |
| 1091 return ERROR_NOT_SUPPORTED; | |
| 1092 | |
| 1093 if (qos_handle_ == NULL) { | |
| 1094 QOS_VERSION version; | |
| 1095 version.MajorVersion = 1; | |
| 1096 version.MinorVersion = 0; | |
| 1097 qos.CreateHandle(&version, &qos_handle_); | |
| 1098 if (qos_handle_ == NULL) | |
| 1099 return ERROR_NOT_SUPPORTED; | |
| 1100 } | |
| 1101 | |
| 1102 QOS_TRAFFIC_TYPE traffic_type = QOSTrafficTypeBestEffort; | |
| 1103 switch (dscp) { | |
| 1104 case DSCP_CS0: | |
| 1105 traffic_type = QOSTrafficTypeBestEffort; | |
| 1106 break; | |
| 1107 case DSCP_CS1: | |
| 1108 traffic_type = QOSTrafficTypeBackground; | |
| 1109 break; | |
| 1110 case DSCP_AF11: | |
| 1111 case DSCP_AF12: | |
| 1112 case DSCP_AF13: | |
| 1113 case DSCP_CS2: | |
| 1114 case DSCP_AF21: | |
| 1115 case DSCP_AF22: | |
| 1116 case DSCP_AF23: | |
| 1117 case DSCP_CS3: | |
| 1118 case DSCP_AF31: | |
| 1119 case DSCP_AF32: | |
| 1120 case DSCP_AF33: | |
| 1121 case DSCP_CS4: | |
| 1122 traffic_type = QOSTrafficTypeExcellentEffort; | |
| 1123 break; | |
| 1124 case DSCP_AF41: | |
| 1125 case DSCP_AF42: | |
| 1126 case DSCP_AF43: | |
| 1127 case DSCP_CS5: | |
| 1128 traffic_type = QOSTrafficTypeAudioVideo; | |
| 1129 break; | |
| 1130 case DSCP_EF: | |
| 1131 case DSCP_CS6: | |
| 1132 traffic_type = QOSTrafficTypeVoice; | |
| 1133 break; | |
| 1134 case DSCP_CS7: | |
| 1135 traffic_type = QOSTrafficTypeControl; | |
| 1136 break; | |
| 1137 case DSCP_NO_CHANGE: | |
| 1138 NOTREACHED(); | |
| 1139 break; | |
| 1140 } | |
| 1141 if (qos_flow_id_ != 0) { | |
| 1142 qos.RemoveSocketFromFlow(qos_handle_, NULL, qos_flow_id_, 0); | |
| 1143 qos_flow_id_ = 0; | |
| 1144 } | |
| 1145 if (!qos.AddSocketToFlow(qos_handle_, | |
| 1146 socket_, | |
| 1147 NULL, | |
| 1148 traffic_type, | |
| 1149 QOS_NON_ADAPTIVE_FLOW, | |
| 1150 &qos_flow_id_)) { | |
| 1151 DWORD err = GetLastError(); | |
| 1152 if (err == ERROR_DEVICE_REINITIALIZATION_NEEDED) { | |
| 1153 qos.CloseHandle(qos_handle_); | |
| 1154 qos_flow_id_ = 0; | |
| 1155 qos_handle_ = 0; | |
| 1156 } | |
| 1157 return MapSystemError(err); | |
| 1158 } | |
| 1159 // This requires admin rights, and may fail, if so we ignore it | |
| 1160 // as AddSocketToFlow should still do *approximately* the right thing. | |
| 1161 DWORD buf = dscp; | |
| 1162 qos.SetFlow(qos_handle_, | |
| 1163 qos_flow_id_, | |
| 1164 QOSSetOutgoingDSCPValue, | |
| 1165 sizeof(buf), | |
| 1166 &buf, | |
| 1167 0, | |
| 1168 NULL); | |
| 1169 | |
| 1170 return OK; | |
| 1171 } | |
| 1172 | |
| 1173 void UDPSocketWin::DetachFromThread() { | |
| 1174 base::NonThreadSafe::DetachFromThread(); | |
| 1175 } | |
| 1176 | |
| 1177 void UDPSocketWin::UseNonBlockingIO() { | |
| 1178 DCHECK(!core_); | |
| 1179 use_non_blocking_io_ = true; | |
| 1180 } | |
| 1181 | |
| 1182 } // namespace net | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 992733002:
Remove //net (except for Android test stuff) and sdch (Closed)
Base URL: git@github.com:domokit/mojo.git@master