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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 "webkit/plugins/ppapi/ppb_transport_impl.h" | |
| 6 | |
| 7 #include "base/message_loop.h" | |
| 8 #include "base/string_util.h" | |
| 9 #include "net/base/io_buffer.h" | |
| 10 #include "net/base/net_errors.h" | |
| 11 #include "net/base/net_util.h" | |
| 12 #include "net/socket/socket.h" | |
| 13 #include "ppapi/c/dev/ppb_transport_dev.h" | |
| 14 #include "ppapi/c/pp_completion_callback.h" | |
| 15 #include "ppapi/c/pp_errors.h" | |
| 16 #include "ppapi/shared_impl/callback_tracker.h" | |
| 17 #include "ppapi/shared_impl/ppapi_globals.h" | |
| 18 #include "ppapi/shared_impl/var.h" | |
| 19 #include "third_party/WebKit/Source/WebKit/chromium/public/WebDocument.h" | |
| 20 #include "third_party/WebKit/Source/WebKit/chromium/public/WebElement.h" | |
| 21 #include "third_party/WebKit/Source/WebKit/chromium/public/WebPluginContainer.h" | |
| 22 #include "webkit/plugins/ppapi/common.h" | |
| 23 #include "webkit/plugins/ppapi/plugin_module.h" | |
| 24 #include "webkit/plugins/ppapi/ppapi_plugin_instance.h" | |
| 25 #include "webkit/plugins/ppapi/resource_helper.h" | |
| 26 | |
| 27 using ppapi::StringVar; | |
| 28 using ppapi::thunk::PPB_Transport_API; | |
| 29 using ppapi::TrackedCallback; | |
| 30 using webkit_glue::P2PTransport; | |
| 31 | |
| 32 namespace webkit { | |
| 33 namespace ppapi { | |
| 34 | |
| 35 namespace { | |
| 36 | |
| 37 const char kUdpProtocolName[] = "udp"; | |
| 38 const char kTcpProtocolName[] = "tcp"; | |
| 39 | |
| 40 const int kMinBufferSize = 1024; | |
| 41 const int kMaxBufferSize = 1024 * 1024; | |
| 42 const int kMinAckDelay = 10; | |
| 43 const int kMaxAckDelay = 1000; | |
| 44 | |
| 45 int MapNetError(int result) { | |
| 46 if (result > 0) | |
| 47 return result; | |
| 48 | |
| 49 switch (result) { | |
| 50 case net::OK: | |
| 51 return PP_OK; | |
| 52 case net::ERR_IO_PENDING: | |
| 53 return PP_OK_COMPLETIONPENDING; | |
| 54 case net::ERR_INVALID_ARGUMENT: | |
| 55 return PP_ERROR_BADARGUMENT; | |
| 56 default: | |
| 57 return PP_ERROR_FAILED; | |
| 58 } | |
| 59 } | |
| 60 | |
| 61 WebKit::WebFrame* GetFrameForResource(const ::ppapi::Resource* resource) { | |
| 62 PluginInstance* plugin_instance = | |
| 63 ResourceHelper::GetPluginInstance(resource); | |
| 64 if (!plugin_instance) | |
| 65 return NULL; | |
| 66 return plugin_instance->container()->element().document().frame(); | |
| 67 } | |
| 68 | |
| 69 } // namespace | |
| 70 | |
| 71 PPB_Transport_Impl::PPB_Transport_Impl(PP_Instance instance) | |
| 72 : Resource(::ppapi::OBJECT_IS_IMPL, instance), | |
| 73 type_(PP_TRANSPORTTYPE_DATAGRAM), | |
| 74 started_(false), | |
| 75 writable_(false) { | |
| 76 } | |
| 77 | |
| 78 PPB_Transport_Impl::~PPB_Transport_Impl() { | |
| 79 } | |
| 80 | |
| 81 // static | |
| 82 PP_Resource PPB_Transport_Impl::Create(PP_Instance instance, | |
| 83 const char* name, | |
| 84 PP_TransportType type) { | |
| 85 scoped_refptr<PPB_Transport_Impl> t(new PPB_Transport_Impl(instance)); | |
| 86 if (!t->Init(name, type)) | |
| 87 return 0; | |
| 88 return t->GetReference(); | |
| 89 } | |
| 90 | |
| 91 PPB_Transport_API* PPB_Transport_Impl::AsPPB_Transport_API() { | |
| 92 return this; | |
| 93 } | |
| 94 | |
| 95 bool PPB_Transport_Impl::Init(const char* name, PP_TransportType type) { | |
| 96 name_ = name; | |
| 97 | |
| 98 if (type != PP_TRANSPORTTYPE_DATAGRAM && type != PP_TRANSPORTTYPE_STREAM) { | |
| 99 LOG(WARNING) << "Unknown transport type: " << type; | |
| 100 return false; | |
| 101 } | |
| 102 type_ = type; | |
| 103 | |
| 104 PluginDelegate* plugin_delegate = ResourceHelper::GetPluginDelegate(this); | |
| 105 if (!plugin_delegate) | |
| 106 return false; | |
| 107 p2p_transport_.reset(plugin_delegate->CreateP2PTransport()); | |
| 108 return p2p_transport_.get() != NULL; | |
| 109 } | |
| 110 | |
| 111 PP_Bool PPB_Transport_Impl::IsWritable() { | |
| 112 if (!p2p_transport_.get()) | |
| 113 return PP_FALSE; | |
| 114 | |
| 115 return PP_FromBool(writable_); | |
| 116 } | |
| 117 | |
| 118 int32_t PPB_Transport_Impl::SetProperty(PP_TransportProperty property, | |
| 119 PP_Var value) { | |
| 120 // SetProperty() may be called only before Connect(). | |
| 121 if (started_) | |
| 122 return PP_ERROR_FAILED; | |
| 123 | |
| 124 switch (property) { | |
| 125 case PP_TRANSPORTPROPERTY_STUN_SERVER: { | |
| 126 StringVar* value_str = StringVar::FromPPVar(value); | |
| 127 if (!value_str) | |
| 128 return PP_ERROR_BADARGUMENT; | |
| 129 if (!net::ParseHostAndPort(value_str->value(), &config_.stun_server, | |
| 130 &config_.stun_server_port)) { | |
| 131 return PP_ERROR_BADARGUMENT; | |
| 132 } | |
| 133 break; | |
| 134 } | |
| 135 | |
| 136 case PP_TRANSPORTPROPERTY_RELAY_SERVER: { | |
| 137 StringVar* value_str = StringVar::FromPPVar(value); | |
| 138 if (!value_str) | |
| 139 return PP_ERROR_BADARGUMENT; | |
| 140 if (!net::ParseHostAndPort(value_str->value(), &config_.relay_server, | |
| 141 &config_.relay_server_port)) { | |
| 142 return PP_ERROR_BADARGUMENT; | |
| 143 } | |
| 144 break; | |
| 145 } | |
| 146 | |
| 147 case PP_TRANSPORTPROPERTY_RELAY_USERNAME: { | |
| 148 StringVar* value_str = StringVar::FromPPVar(value); | |
| 149 if (!value_str) | |
| 150 return PP_ERROR_BADARGUMENT; | |
| 151 config_.relay_username = value_str->value(); | |
| 152 break; | |
| 153 } | |
| 154 | |
| 155 case PP_TRANSPORTPROPERTY_RELAY_PASSWORD: { | |
| 156 StringVar* value_str = StringVar::FromPPVar(value); | |
| 157 if (!value_str) | |
| 158 return PP_ERROR_BADARGUMENT; | |
| 159 config_.relay_password = value_str->value(); | |
| 160 break; | |
| 161 } | |
| 162 | |
| 163 case PP_TRANSPORTPROPERTY_RELAY_MODE: { | |
| 164 switch (value.value.as_int) { | |
| 165 case PP_TRANSPORTRELAYMODE_TURN: | |
| 166 config_.legacy_relay = false; | |
| 167 break; | |
| 168 case PP_TRANSPORTRELAYMODE_GOOGLE: | |
| 169 config_.legacy_relay = true; | |
| 170 break; | |
| 171 default: | |
| 172 return PP_ERROR_BADARGUMENT; | |
| 173 } | |
| 174 break; | |
| 175 } | |
| 176 | |
| 177 case PP_TRANSPORTPROPERTY_TCP_RECEIVE_WINDOW: { | |
| 178 if (type_ != PP_TRANSPORTTYPE_STREAM) | |
| 179 return PP_ERROR_BADARGUMENT; | |
| 180 | |
| 181 int32_t int_value = value.value.as_int; | |
| 182 if (value.type != PP_VARTYPE_INT32 || int_value < kMinBufferSize || | |
| 183 int_value > kMaxBufferSize) { | |
| 184 return PP_ERROR_BADARGUMENT; | |
| 185 } | |
| 186 config_.tcp_receive_window = int_value; | |
| 187 break; | |
| 188 } | |
| 189 | |
| 190 case PP_TRANSPORTPROPERTY_TCP_SEND_WINDOW: { | |
| 191 if (type_ != PP_TRANSPORTTYPE_STREAM) | |
| 192 return PP_ERROR_BADARGUMENT; | |
| 193 | |
| 194 int32_t int_value = value.value.as_int; | |
| 195 if (value.type != PP_VARTYPE_INT32 || int_value < kMinBufferSize || | |
| 196 int_value > kMaxBufferSize) { | |
| 197 return PP_ERROR_BADARGUMENT; | |
| 198 } | |
| 199 config_.tcp_send_window = int_value; | |
| 200 break; | |
| 201 } | |
| 202 | |
| 203 case PP_TRANSPORTPROPERTY_TCP_NO_DELAY: { | |
| 204 if (type_ != PP_TRANSPORTTYPE_STREAM) | |
| 205 return PP_ERROR_BADARGUMENT; | |
| 206 | |
| 207 if (value.type != PP_VARTYPE_BOOL) | |
| 208 return PP_ERROR_BADARGUMENT; | |
| 209 config_.tcp_no_delay = PP_ToBool(value.value.as_bool); | |
| 210 break; | |
| 211 } | |
| 212 | |
| 213 case PP_TRANSPORTPROPERTY_TCP_ACK_DELAY: { | |
| 214 if (type_ != PP_TRANSPORTTYPE_STREAM) | |
| 215 return PP_ERROR_BADARGUMENT; | |
| 216 | |
| 217 int32_t int_value = value.value.as_int; | |
| 218 if (value.type != PP_VARTYPE_INT32 || int_value < kMinAckDelay || | |
| 219 int_value > kMaxAckDelay) { | |
| 220 return PP_ERROR_BADARGUMENT; | |
| 221 } | |
| 222 config_.tcp_ack_delay_ms = int_value; | |
| 223 break; | |
| 224 } | |
| 225 | |
| 226 case PP_TRANSPORTPROPERTY_DISABLE_TCP_TRANSPORT: { | |
| 227 if (value.type != PP_VARTYPE_BOOL) | |
| 228 return PP_ERROR_BADARGUMENT; | |
| 229 config_.disable_tcp_transport = PP_ToBool(value.value.as_bool); | |
| 230 break; | |
| 231 } | |
| 232 | |
| 233 default: | |
| 234 return PP_ERROR_BADARGUMENT; | |
| 235 } | |
| 236 | |
| 237 return PP_OK; | |
| 238 } | |
| 239 | |
| 240 int32_t PPB_Transport_Impl::Connect(PP_CompletionCallback callback) { | |
| 241 if (!callback.func) | |
| 242 return PP_ERROR_BLOCKS_MAIN_THREAD; | |
| 243 if (!p2p_transport_.get()) | |
| 244 return PP_ERROR_FAILED; | |
| 245 | |
| 246 // Connect() has already been called. | |
| 247 if (started_) | |
| 248 return PP_ERROR_INPROGRESS; | |
| 249 | |
| 250 P2PTransport::Protocol protocol = (type_ == PP_TRANSPORTTYPE_STREAM) ? | |
| 251 P2PTransport::PROTOCOL_TCP : P2PTransport::PROTOCOL_UDP; | |
| 252 | |
| 253 if (!p2p_transport_->Init( | |
| 254 GetFrameForResource(this), name_, protocol, config_, this)) { | |
| 255 return PP_ERROR_FAILED; | |
| 256 } | |
| 257 | |
| 258 started_ = true; | |
| 259 | |
| 260 PluginModule* plugin_module = ResourceHelper::GetPluginModule(this); | |
| 261 if (!plugin_module) | |
| 262 return PP_ERROR_FAILED; | |
| 263 | |
| 264 connect_callback_ = new TrackedCallback(this, callback); | |
| 265 return PP_OK_COMPLETIONPENDING; | |
| 266 } | |
| 267 | |
| 268 int32_t PPB_Transport_Impl::GetNextAddress(PP_Var* address, | |
| 269 PP_CompletionCallback callback) { | |
| 270 if (!callback.func) | |
| 271 return PP_ERROR_BLOCKS_MAIN_THREAD; | |
| 272 if (!p2p_transport_.get()) | |
| 273 return PP_ERROR_FAILED; | |
| 274 | |
| 275 if (TrackedCallback::IsPending(next_address_callback_)) | |
| 276 return PP_ERROR_INPROGRESS; | |
| 277 | |
| 278 PluginModule* plugin_module = ResourceHelper::GetPluginModule(this); | |
| 279 if (!plugin_module) | |
| 280 return PP_ERROR_FAILED; | |
| 281 | |
| 282 if (!local_candidates_.empty()) { | |
| 283 *address = StringVar::StringToPPVar(local_candidates_.front()); | |
| 284 local_candidates_.pop_front(); | |
| 285 return PP_OK; | |
| 286 } | |
| 287 | |
| 288 next_address_callback_ = new TrackedCallback(this, callback); | |
| 289 return PP_OK_COMPLETIONPENDING; | |
| 290 } | |
| 291 | |
| 292 int32_t PPB_Transport_Impl::ReceiveRemoteAddress(PP_Var address) { | |
| 293 if (!p2p_transport_.get()) | |
| 294 return PP_ERROR_FAILED; | |
| 295 | |
| 296 StringVar* address_str = StringVar::FromPPVar(address); | |
| 297 if (!address_str) | |
| 298 return PP_ERROR_BADARGUMENT; | |
| 299 | |
| 300 return p2p_transport_->AddRemoteCandidate(address_str->value()) ? | |
| 301 PP_OK : PP_ERROR_FAILED; | |
| 302 } | |
| 303 | |
| 304 int32_t PPB_Transport_Impl::Recv(void* data, uint32_t len, | |
| 305 PP_CompletionCallback callback) { | |
| 306 if (!callback.func) | |
| 307 return PP_ERROR_BLOCKS_MAIN_THREAD; | |
| 308 if (!p2p_transport_.get()) | |
| 309 return PP_ERROR_FAILED; | |
| 310 | |
| 311 if (TrackedCallback::IsPending(recv_callback_)) | |
| 312 return PP_ERROR_INPROGRESS; | |
| 313 | |
| 314 net::Socket* channel = p2p_transport_->GetChannel(); | |
| 315 if (!channel) | |
| 316 return PP_ERROR_FAILED; | |
| 317 | |
| 318 PluginModule* plugin_module = ResourceHelper::GetPluginModule(this); | |
| 319 if (!plugin_module) | |
| 320 return PP_ERROR_FAILED; | |
| 321 | |
| 322 scoped_refptr<net::IOBuffer> buffer = | |
| 323 new net::WrappedIOBuffer(static_cast<const char*>(data)); | |
| 324 int result = MapNetError( | |
| 325 channel->Read(buffer, len, base::Bind(&PPB_Transport_Impl::OnRead, | |
| 326 base::Unretained(this)))); | |
| 327 if (result == PP_OK_COMPLETIONPENDING) | |
| 328 recv_callback_ = new TrackedCallback(this, callback); | |
| 329 | |
| 330 return result; | |
| 331 } | |
| 332 | |
| 333 int32_t PPB_Transport_Impl::Send(const void* data, uint32_t len, | |
| 334 PP_CompletionCallback callback) { | |
| 335 if (!callback.func) | |
| 336 return PP_ERROR_BLOCKS_MAIN_THREAD; | |
| 337 if (!p2p_transport_.get()) | |
| 338 return PP_ERROR_FAILED; | |
| 339 | |
| 340 if (TrackedCallback::IsPending(send_callback_)) | |
| 341 return PP_ERROR_INPROGRESS; | |
| 342 | |
| 343 net::Socket* channel = p2p_transport_->GetChannel(); | |
| 344 if (!channel) | |
| 345 return PP_ERROR_FAILED; | |
| 346 | |
| 347 PluginModule* plugin_module = ResourceHelper::GetPluginModule(this); | |
| 348 if (!plugin_module) | |
| 349 return PP_ERROR_FAILED; | |
| 350 | |
| 351 scoped_refptr<net::IOBuffer> buffer = | |
| 352 new net::WrappedIOBuffer(static_cast<const char*>(data)); | |
| 353 int result = MapNetError( | |
| 354 channel->Write(buffer, len, base::Bind(&PPB_Transport_Impl::OnWritten, | |
| 355 base::Unretained(this)))); | |
| 356 if (result == PP_OK_COMPLETIONPENDING) | |
| 357 send_callback_ = new TrackedCallback(this, callback); | |
| 358 | |
| 359 return result; | |
| 360 } | |
| 361 | |
| 362 int32_t PPB_Transport_Impl::Close() { | |
| 363 if (!p2p_transport_.get()) | |
| 364 return PP_ERROR_FAILED; | |
| 365 | |
| 366 p2p_transport_.reset(); | |
| 367 | |
| 368 ::ppapi::PpapiGlobals::Get()->GetCallbackTrackerForInstance( | |
| 369 pp_instance())->PostAbortForResource(pp_resource()); | |
| 370 return PP_OK; | |
| 371 } | |
| 372 | |
| 373 void PPB_Transport_Impl::OnCandidateReady(const std::string& address) { | |
| 374 // Store the candidate first before calling the callback. | |
| 375 local_candidates_.push_back(address); | |
| 376 | |
| 377 if (TrackedCallback::IsPending(next_address_callback_)) | |
| 378 TrackedCallback::ClearAndRun(&next_address_callback_, PP_OK); | |
| 379 } | |
| 380 | |
| 381 void PPB_Transport_Impl::OnStateChange(webkit_glue::P2PTransport::State state) { | |
| 382 writable_ = (state | webkit_glue::P2PTransport::STATE_WRITABLE) != 0; | |
| 383 if (writable_ && TrackedCallback::IsPending(connect_callback_)) | |
| 384 TrackedCallback::ClearAndRun(&connect_callback_, PP_OK); | |
| 385 } | |
| 386 | |
| 387 void PPB_Transport_Impl::OnError(int error) { | |
| 388 writable_ = false; | |
| 389 if (TrackedCallback::IsPending(connect_callback_)) | |
| 390 TrackedCallback::ClearAndRun(&connect_callback_, PP_ERROR_FAILED); | |
| 391 } | |
| 392 | |
| 393 void PPB_Transport_Impl::OnRead(int result) { | |
| 394 DCHECK(TrackedCallback::IsPending(recv_callback_)); | |
| 395 TrackedCallback::ClearAndRun(&recv_callback_, MapNetError(result)); | |
| 396 } | |
| 397 | |
| 398 void PPB_Transport_Impl::OnWritten(int result) { | |
| 399 DCHECK(TrackedCallback::IsPending(send_callback_)); | |
| 400 TrackedCallback::ClearAndRun(&send_callback_, MapNetError(result)); | |
| 401 } | |
| 402 | |
| 403 } // namespace ppapi | |
| 404 } // namespace webkit | |
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Chromium Code Reviews
Issue 10454058:
Remove PPB_Transport_Dev API. (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/src