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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "chrome/browser/extensions/api/dial/dial_service.h" | 5 #include "chrome/browser/extensions/api/dial/dial_service.h" |
6 | 6 |
7 #include <algorithm> | 7 #include <algorithm> |
8 #include <set> | 8 #include <set> |
9 #include <utility> | 9 #include <utility> |
10 | 10 |
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110 } | 110 } |
111 | 111 |
112 #if !defined(OS_CHROMEOS) | 112 #if !defined(OS_CHROMEOS) |
113 void GetNetworkListOnFileThread( | 113 void GetNetworkListOnFileThread( |
114 const scoped_refptr<base::MessageLoopProxy>& loop, | 114 const scoped_refptr<base::MessageLoopProxy>& loop, |
115 const base::Callback<void(const NetworkInterfaceList& networks)>& cb) { | 115 const base::Callback<void(const NetworkInterfaceList& networks)>& cb) { |
116 NetworkInterfaceList list; | 116 NetworkInterfaceList list; |
117 bool success = net::GetNetworkList( | 117 bool success = net::GetNetworkList( |
118 &list, net::INCLUDE_HOST_SCOPE_VIRTUAL_INTERFACES); | 118 &list, net::INCLUDE_HOST_SCOPE_VIRTUAL_INTERFACES); |
119 if (!success) | 119 if (!success) |
120 DVLOG(1) << "Could not retrieve network list!"; | 120 VLOG(1) << "Could not retrieve network list!"; |
121 | 121 |
122 loop->PostTask(FROM_HERE, base::Bind(cb, list)); | 122 loop->PostTask(FROM_HERE, base::Bind(cb, list)); |
123 } | 123 } |
124 | 124 |
125 #else | 125 #else |
126 | 126 |
127 // Finds the IP address of the preferred interface of network type |type| | 127 // Finds the IP address of the preferred interface of network type |type| |
128 // to bind the socket and inserts the address into |bind_address_list|. This | 128 // to bind the socket and inserts the address into |bind_address_list|. This |
129 // ChromeOS version can prioritize wifi and ethernet interfaces. | 129 // ChromeOS version can prioritize wifi and ethernet interfaces. |
130 void InsertBestBindAddressChromeOS( | 130 void InsertBestBindAddressChromeOS( |
131 const chromeos::NetworkTypePattern& type, | 131 const chromeos::NetworkTypePattern& type, |
132 std::vector<IPAddressNumber>* bind_address_list) { | 132 std::vector<IPAddressNumber>* bind_address_list) { |
133 const chromeos::NetworkState* state = chromeos::NetworkHandler::Get() | 133 const chromeos::NetworkState* state = chromeos::NetworkHandler::Get() |
134 ->network_state_handler()->ConnectedNetworkByType(type); | 134 ->network_state_handler()->ConnectedNetworkByType(type); |
135 IPAddressNumber bind_ip_address; | 135 IPAddressNumber bind_ip_address; |
136 if (state | 136 if (state |
137 && net::ParseIPLiteralToNumber(state->ip_address(), &bind_ip_address) | 137 && net::ParseIPLiteralToNumber(state->ip_address(), &bind_ip_address) |
138 && bind_ip_address.size() == net::kIPv4AddressSize) { | 138 && bind_ip_address.size() == net::kIPv4AddressSize) { |
139 DVLOG(1) << "Found " << state->type() << ", " << state->name() << ": " | 139 VLOG(2) << "Found " << state->type() << ", " << state->name() << ": " |
140 << state->ip_address(); | 140 << state->ip_address(); |
141 bind_address_list->push_back(bind_ip_address); | 141 bind_address_list->push_back(bind_ip_address); |
142 } | 142 } |
143 } | 143 } |
144 #endif // !defined(OS_CHROMEOS) | 144 #endif // !defined(OS_CHROMEOS) |
145 | 145 |
146 } // namespace | 146 } // namespace |
147 | 147 |
148 DialServiceImpl::DialSocket::DialSocket( | 148 DialServiceImpl::DialSocket::DialSocket( |
149 const base::Closure& discovery_request_cb, | 149 const base::Closure& discovery_request_cb, |
150 const base::Callback<void(const DialDeviceData&)>& device_discovered_cb, | 150 const base::Callback<void(const DialDeviceData&)>& device_discovered_cb, |
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184 DCHECK(socket_.get()); | 184 DCHECK(socket_.get()); |
185 | 185 |
186 recv_buffer_ = new IOBufferWithSize(kDialRecvBufferSize); | 186 recv_buffer_ = new IOBufferWithSize(kDialRecvBufferSize); |
187 return ReadSocket(); | 187 return ReadSocket(); |
188 } | 188 } |
189 | 189 |
190 void DialServiceImpl::DialSocket::SendOneRequest( | 190 void DialServiceImpl::DialSocket::SendOneRequest( |
191 const net::IPEndPoint& send_address, | 191 const net::IPEndPoint& send_address, |
192 const scoped_refptr<net::StringIOBuffer>& send_buffer) { | 192 const scoped_refptr<net::StringIOBuffer>& send_buffer) { |
193 if (!socket_.get()) { | 193 if (!socket_.get()) { |
194 DLOG(WARNING) << "Socket not connected."; | 194 VLOG(1) << "Socket not connected."; |
195 return; | 195 return; |
196 } | 196 } |
197 | 197 |
198 if (is_writing_) { | 198 if (is_writing_) { |
199 VLOG(2) << "Already writing."; | 199 VLOG(1) << "Already writing."; |
200 return; | 200 return; |
201 } | 201 } |
202 | 202 |
203 is_writing_ = true; | 203 is_writing_ = true; |
204 int result = socket_->SendTo( | 204 int result = socket_->SendTo( |
205 send_buffer.get(), send_buffer->size(), send_address, | 205 send_buffer.get(), send_buffer->size(), send_address, |
206 base::Bind(&DialServiceImpl::DialSocket::OnSocketWrite, | 206 base::Bind(&DialServiceImpl::DialSocket::OnSocketWrite, |
207 base::Unretained(this), | 207 base::Unretained(this), |
208 send_buffer->size())); | 208 send_buffer->size())); |
209 bool result_ok = CheckResult("SendTo", result); | 209 bool result_ok = CheckResult("SendTo", result); |
210 if (result_ok && result > 0) { | 210 if (result_ok && result > 0) { |
211 // Synchronous write. | 211 // Synchronous write. |
212 OnSocketWrite(send_buffer->size(), result); | 212 OnSocketWrite(send_buffer->size(), result); |
213 } | 213 } |
214 } | 214 } |
215 | 215 |
216 bool DialServiceImpl::DialSocket::IsClosed() { | 216 bool DialServiceImpl::DialSocket::IsClosed() { |
217 DCHECK(thread_checker_.CalledOnValidThread()); | 217 DCHECK(thread_checker_.CalledOnValidThread()); |
218 return !socket_.get(); | 218 return !socket_.get(); |
219 } | 219 } |
220 | 220 |
221 bool DialServiceImpl::DialSocket::CheckResult(const char* operation, | 221 bool DialServiceImpl::DialSocket::CheckResult(const char* operation, |
222 int result) { | 222 int result) { |
223 DCHECK(thread_checker_.CalledOnValidThread()); | 223 DCHECK(thread_checker_.CalledOnValidThread()); |
224 VLOG(2) << "Operation " << operation << " result " << result; | 224 VLOG(2) << "Operation " << operation << " result " << result; |
225 if (result < net::OK && result != net::ERR_IO_PENDING) { | 225 if (result < net::OK && result != net::ERR_IO_PENDING) { |
226 Close(); | 226 Close(); |
227 std::string error_str(net::ErrorToString(result)); | 227 std::string error_str(net::ErrorToString(result)); |
228 DVLOG(0) << "dial socket error: " << error_str; | 228 VLOG(1) << "dial socket error: " << error_str; |
229 on_error_cb_.Run(); | 229 on_error_cb_.Run(); |
230 return false; | 230 return false; |
231 } | 231 } |
232 return true; | 232 return true; |
233 } | 233 } |
234 | 234 |
235 void DialServiceImpl::DialSocket::Close() { | 235 void DialServiceImpl::DialSocket::Close() { |
236 DCHECK(thread_checker_.CalledOnValidThread()); | 236 DCHECK(thread_checker_.CalledOnValidThread()); |
237 is_reading_ = false; | 237 is_reading_ = false; |
238 is_writing_ = false; | 238 is_writing_ = false; |
239 socket_.reset(); | 239 socket_.reset(); |
240 } | 240 } |
241 | 241 |
242 void DialServiceImpl::DialSocket::OnSocketWrite(int send_buffer_size, | 242 void DialServiceImpl::DialSocket::OnSocketWrite(int send_buffer_size, |
243 int result) { | 243 int result) { |
244 DCHECK(thread_checker_.CalledOnValidThread()); | 244 DCHECK(thread_checker_.CalledOnValidThread()); |
245 is_writing_ = false; | 245 is_writing_ = false; |
246 if (!CheckResult("OnSocketWrite", result)) | 246 if (!CheckResult("OnSocketWrite", result)) |
247 return; | 247 return; |
248 if (result != send_buffer_size) { | 248 if (result != send_buffer_size) { |
249 DLOG(ERROR) << "Sent " << result << " chars, expected " | 249 VLOG(1) << "Sent " << result << " chars, expected " |
250 << send_buffer_size << " chars"; | 250 << send_buffer_size << " chars"; |
251 } | 251 } |
252 discovery_request_cb_.Run(); | 252 discovery_request_cb_.Run(); |
253 } | 253 } |
254 | 254 |
255 bool DialServiceImpl::DialSocket::ReadSocket() { | 255 bool DialServiceImpl::DialSocket::ReadSocket() { |
256 DCHECK(thread_checker_.CalledOnValidThread()); | 256 DCHECK(thread_checker_.CalledOnValidThread()); |
257 if (!socket_.get()) { | 257 if (!socket_.get()) { |
258 DLOG(WARNING) << "Socket not connected."; | 258 VLOG(1) << "Socket not connected."; |
259 return false; | 259 return false; |
260 } | 260 } |
261 | 261 |
262 if (is_reading_) { | 262 if (is_reading_) { |
263 VLOG(2) << "Already reading."; | 263 VLOG(1) << "Already reading."; |
264 return false; | 264 return false; |
265 } | 265 } |
266 | 266 |
267 int result = net::OK; | 267 int result = net::OK; |
268 bool result_ok = true; | 268 bool result_ok = true; |
269 do { | 269 do { |
270 is_reading_ = true; | 270 is_reading_ = true; |
271 result = socket_->RecvFrom( | 271 result = socket_->RecvFrom( |
272 recv_buffer_.get(), | 272 recv_buffer_.get(), |
273 kDialRecvBufferSize, &recv_address_, | 273 kDialRecvBufferSize, &recv_address_, |
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293 HandleResponse(result); | 293 HandleResponse(result); |
294 | 294 |
295 // Await next response. | 295 // Await next response. |
296 ReadSocket(); | 296 ReadSocket(); |
297 } | 297 } |
298 | 298 |
299 void DialServiceImpl::DialSocket::HandleResponse(int bytes_read) { | 299 void DialServiceImpl::DialSocket::HandleResponse(int bytes_read) { |
300 DCHECK(thread_checker_.CalledOnValidThread()); | 300 DCHECK(thread_checker_.CalledOnValidThread()); |
301 DCHECK_GT(bytes_read, 0); | 301 DCHECK_GT(bytes_read, 0); |
302 if (bytes_read > kDialRecvBufferSize) { | 302 if (bytes_read > kDialRecvBufferSize) { |
303 DLOG(ERROR) << bytes_read << " > " << kDialRecvBufferSize << "!?"; | 303 VLOG(1) << bytes_read << " > " << kDialRecvBufferSize << "!?"; |
304 return; | 304 return; |
305 } | 305 } |
306 VLOG(2) << "Read " << bytes_read << " bytes from " | 306 VLOG(2) << "Read " << bytes_read << " bytes from " |
307 << recv_address_.ToString(); | 307 << recv_address_.ToString(); |
308 | 308 |
309 std::string response(recv_buffer_->data(), bytes_read); | 309 std::string response(recv_buffer_->data(), bytes_read); |
310 Time response_time = Time::Now(); | 310 Time response_time = Time::Now(); |
311 | 311 |
312 // Attempt to parse response, notify observers if successful. | 312 // Attempt to parse response, notify observers if successful. |
313 DialDeviceData parsed_device; | 313 DialDeviceData parsed_device; |
314 if (ParseResponse(response, response_time, &parsed_device)) | 314 if (ParseResponse(response, response_time, &parsed_device)) |
315 device_discovered_cb_.Run(parsed_device); | 315 device_discovered_cb_.Run(parsed_device); |
316 } | 316 } |
317 | 317 |
318 // static | 318 // static |
319 bool DialServiceImpl::DialSocket::ParseResponse( | 319 bool DialServiceImpl::DialSocket::ParseResponse( |
320 const std::string& response, | 320 const std::string& response, |
321 const base::Time& response_time, | 321 const base::Time& response_time, |
322 DialDeviceData* device) { | 322 DialDeviceData* device) { |
323 int headers_end = HttpUtil::LocateEndOfHeaders(response.c_str(), | 323 int headers_end = HttpUtil::LocateEndOfHeaders(response.c_str(), |
324 response.size()); | 324 response.size()); |
325 if (headers_end < 1) { | 325 if (headers_end < 1) { |
326 VLOG(2) << "Headers invalid or empty, ignoring: " << response; | 326 VLOG(1) << "Headers invalid or empty, ignoring: " << response; |
327 return false; | 327 return false; |
328 } | 328 } |
329 std::string raw_headers = | 329 std::string raw_headers = |
330 HttpUtil::AssembleRawHeaders(response.c_str(), headers_end); | 330 HttpUtil::AssembleRawHeaders(response.c_str(), headers_end); |
331 VLOG(2) << "raw_headers: " << raw_headers << "\n"; | 331 VLOG(2) << "raw_headers: " << raw_headers << "\n"; |
Wez
2014/07/17 00:39:01
nit: Should this even be VLOG(3), perhaps, since i
mark a. foltz
2014/07/17 18:33:19
Done.
| |
332 scoped_refptr<HttpResponseHeaders> headers = | 332 scoped_refptr<HttpResponseHeaders> headers = |
333 new HttpResponseHeaders(raw_headers); | 333 new HttpResponseHeaders(raw_headers); |
334 | 334 |
335 std::string device_url_str; | 335 std::string device_url_str; |
336 if (!GetHeader(headers.get(), kSsdpLocationHeader, &device_url_str) || | 336 if (!GetHeader(headers.get(), kSsdpLocationHeader, &device_url_str) || |
337 device_url_str.empty()) { | 337 device_url_str.empty()) { |
338 VLOG(2) << "No LOCATION header found."; | 338 VLOG(1) << "No LOCATION header found."; |
339 return false; | 339 return false; |
340 } | 340 } |
341 | 341 |
342 GURL device_url(device_url_str); | 342 GURL device_url(device_url_str); |
343 if (!DialDeviceData::IsDeviceDescriptionUrl(device_url)) { | 343 if (!DialDeviceData::IsDeviceDescriptionUrl(device_url)) { |
344 VLOG(2) << "URL " << device_url_str << " not valid."; | 344 VLOG(1) << "URL " << device_url_str << " not valid."; |
345 return false; | 345 return false; |
346 } | 346 } |
347 | 347 |
348 std::string device_id; | 348 std::string device_id; |
349 if (!GetHeader(headers.get(), kSsdpUsnHeader, &device_id) || | 349 if (!GetHeader(headers.get(), kSsdpUsnHeader, &device_id) || |
350 device_id.empty()) { | 350 device_id.empty()) { |
351 VLOG(2) << "No USN header found."; | 351 VLOG(1) << "No USN header found."; |
352 return false; | 352 return false; |
353 } | 353 } |
354 | 354 |
355 device->set_device_id(device_id); | 355 device->set_device_id(device_id); |
356 device->set_device_description_url(device_url); | 356 device->set_device_description_url(device_url); |
357 device->set_response_time(response_time); | 357 device->set_response_time(response_time); |
358 | 358 |
359 // TODO(mfoltz): Parse the max-age value from the cache control header. | 359 // TODO(mfoltz): Parse the max-age value from the cache control header. |
360 // http://crbug.com/165289 | 360 // http://crbug.com/165289 |
361 std::string cache_control; | 361 std::string cache_control; |
362 GetHeader(headers.get(), kSsdpCacheControlHeader, &cache_control); | 362 GetHeader(headers.get(), kSsdpCacheControlHeader, &cache_control); |
363 | 363 |
364 std::string config_id; | 364 std::string config_id; |
365 int config_id_int; | 365 int config_id_int; |
366 if (GetHeader(headers.get(), kSsdpConfigIdHeader, &config_id) && | 366 if (GetHeader(headers.get(), kSsdpConfigIdHeader, &config_id) && |
367 base::StringToInt(config_id, &config_id_int)) { | 367 base::StringToInt(config_id, &config_id_int)) { |
368 device->set_config_id(config_id_int); | 368 device->set_config_id(config_id_int); |
369 } else { | 369 } else { |
370 VLOG(2) << "Malformed or missing " << kSsdpConfigIdHeader << ": " | 370 VLOG(1) << "Malformed or missing " << kSsdpConfigIdHeader << ": " |
371 << config_id; | 371 << config_id; |
372 } | 372 } |
373 | 373 |
374 return true; | 374 return true; |
375 } | 375 } |
376 | 376 |
377 DialServiceImpl::DialServiceImpl(net::NetLog* net_log) | 377 DialServiceImpl::DialServiceImpl(net::NetLog* net_log) |
378 : discovery_active_(false), | 378 : discovery_active_(false), |
379 num_requests_sent_(0), | 379 num_requests_sent_(0), |
380 max_requests_(kDialMaxRequests), | 380 max_requests_(kDialMaxRequests), |
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459 std::set<InterfaceIndexAddressFamily> interface_index_addr_family_seen; | 459 std::set<InterfaceIndexAddressFamily> interface_index_addr_family_seen; |
460 std::vector<IPAddressNumber> ip_addresses; | 460 std::vector<IPAddressNumber> ip_addresses; |
461 | 461 |
462 // Binds a socket to each IPv4 network interface found. Note that | 462 // Binds a socket to each IPv4 network interface found. Note that |
463 // there may be duplicates in |networks|, so address family + interface index | 463 // there may be duplicates in |networks|, so address family + interface index |
464 // is used to identify unique interfaces. | 464 // is used to identify unique interfaces. |
465 // TODO(mfoltz): Support IPV6 multicast. http://crbug.com/165286 | 465 // TODO(mfoltz): Support IPV6 multicast. http://crbug.com/165286 |
466 for (NetworkInterfaceList::const_iterator iter = networks.begin(); | 466 for (NetworkInterfaceList::const_iterator iter = networks.begin(); |
467 iter != networks.end(); ++iter) { | 467 iter != networks.end(); ++iter) { |
468 net::AddressFamily addr_family = net::GetAddressFamily(iter->address); | 468 net::AddressFamily addr_family = net::GetAddressFamily(iter->address); |
469 DVLOG(1) << "Found " << iter->name << ", " | 469 VLOG(2) << "Found " << iter->name << ", " |
470 << net::IPAddressToString(iter->address) | 470 << net::IPAddressToString(iter->address) |
471 << ", address family: " << addr_family; | 471 << ", address family: " << addr_family; |
472 if (addr_family == net::ADDRESS_FAMILY_IPV4) { | 472 if (addr_family == net::ADDRESS_FAMILY_IPV4) { |
473 InterfaceIndexAddressFamily interface_index_addr_family = | 473 InterfaceIndexAddressFamily interface_index_addr_family = |
474 std::make_pair(iter->interface_index, addr_family); | 474 std::make_pair(iter->interface_index, addr_family); |
475 bool inserted = interface_index_addr_family_seen | 475 bool inserted = interface_index_addr_family_seen |
476 .insert(interface_index_addr_family) | 476 .insert(interface_index_addr_family) |
477 .second; | 477 .second; |
478 // We have not seen this interface before, so add its IP address to the | 478 // We have not seen this interface before, so add its IP address to the |
479 // discovery list. | 479 // discovery list. |
480 if (inserted) { | 480 if (inserted) { |
481 VLOG(2) << "Encountered " | 481 VLOG(2) << "Encountered " |
482 << "interface index: " << iter->interface_index << ", " | 482 << "interface index: " << iter->interface_index << ", " |
483 << "address family: " << addr_family << " for the first time, " | 483 << "address family: " << addr_family << " for the first time, " |
484 << "adding IP address " << net::IPAddressToString(iter->address) | 484 << "adding IP address " << net::IPAddressToString(iter->address) |
485 << " to list."; | 485 << " to list."; |
486 ip_addresses.push_back(iter->address); | 486 ip_addresses.push_back(iter->address); |
487 } else { | 487 } else { |
488 VLOG(2) << "Already encountered " | 488 VLOG(2) << "Already encountered " |
489 << "interface index: " << iter->interface_index << ", " | 489 << "interface index: " << iter->interface_index << ", " |
490 << "address family: " << addr_family << " before, not adding."; | 490 << "address family: " << addr_family << " before, not adding."; |
491 } | 491 } |
492 } | 492 } |
493 } | 493 } |
494 | 494 |
495 DiscoverOnAddresses(ip_addresses); | 495 DiscoverOnAddresses(ip_addresses); |
496 } | 496 } |
497 | 497 |
498 void DialServiceImpl::DiscoverOnAddresses( | 498 void DialServiceImpl::DiscoverOnAddresses( |
499 const std::vector<IPAddressNumber>& ip_addresses) { | 499 const std::vector<IPAddressNumber>& ip_addresses) { |
500 if (ip_addresses.empty()) { | 500 if (ip_addresses.empty()) { |
501 DVLOG(1) << "Could not find a valid interface to bind. Finishing discovery"; | 501 VLOG(1) << "Could not find a valid interface to bind. Finishing discovery"; |
502 FinishDiscovery(); | 502 FinishDiscovery(); |
503 return; | 503 return; |
504 } | 504 } |
505 | 505 |
506 // Schedule a timer to finish the discovery process (and close the sockets). | 506 // Schedule a timer to finish the discovery process (and close the sockets). |
507 if (finish_delay_ > TimeDelta::FromSeconds(0)) { | 507 if (finish_delay_ > TimeDelta::FromSeconds(0)) { |
508 VLOG(2) << "Starting timer to finish discovery."; | 508 VLOG(2) << "Starting timer to finish discovery."; |
509 finish_timer_.Start(FROM_HERE, | 509 finish_timer_.Start(FROM_HERE, |
510 finish_delay_, | 510 finish_delay_, |
511 this, | 511 this, |
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615 for (ScopedVector<DialSocket>::const_iterator iter = dial_sockets_.begin(); | 615 for (ScopedVector<DialSocket>::const_iterator iter = dial_sockets_.begin(); |
616 iter != dial_sockets_.end(); | 616 iter != dial_sockets_.end(); |
617 ++iter) { | 617 ++iter) { |
618 if (!((*iter)->IsClosed())) | 618 if (!((*iter)->IsClosed())) |
619 return true; | 619 return true; |
620 } | 620 } |
621 return false; | 621 return false; |
622 } | 622 } |
623 | 623 |
624 } // namespace extensions | 624 } // namespace extensions |
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