src/lib/CECProcessor.cpp

   1 /*
   2  * This file is part of the libCEC(R) library.
   3  *
   4  * libCEC(R) is Copyright (C) 2011-2012 Pulse-Eight Limited.  All rights reserved.
   5  * libCEC(R) is an original work, containing original code.
   6  *
   7  * libCEC(R) is a trademark of Pulse-Eight Limited.
   8  *
   9  * This program is dual-licensed; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License as published by
  11  * the Free Software Foundation; either version 2 of the License, or
  12  * (at your option) any later version.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  * GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License
  20  * along with this program; if not, write to the Free Software
  21  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  22  *
  23  *
  24  * Alternatively, you can license this library under a commercial license,
  25  * please contact Pulse-Eight Licensing for more information.
  26  *
  27  * For more information contact:
  28  * Pulse-Eight Licensing       <license@pulse-eight.com>
  29  *     http://www.pulse-eight.com/
  30  *     http://www.pulse-eight.net/
  31  */
  32
  33 #include "env.h"
  34 #include "CECProcessor.h"
  35
  36 #include "adapter/AdapterFactory.h"
  37 #include "devices/CECBusDevice.h"
  38 #include "devices/CECAudioSystem.h"
  39 #include "devices/CECPlaybackDevice.h"
  40 #include "devices/CECRecordingDevice.h"
  41 #include "devices/CECTuner.h"
  42 #include "devices/CECTV.h"
  43 #include "implementations/CECCommandHandler.h"
  44 #include "LibCEC.h"
  45 #include "CECClient.h"
  46 #include "CECTypeUtils.h"
  47 #include "platform/util/timeutils.h"
  48 #include "platform/util/util.h"
  49
  50 using namespace CEC;
  51 using namespace std;
  52 using namespace PLATFORM;
  53
  54 #define CEC_PROCESSOR_SIGNAL_WAIT_TIME 1000
  55 #define ACTIVE_SOURCE_CHECK_INTERVAL   500
  56
  57 #define ToString(x) CCECTypeUtils::ToString(x)
  58
  59 CCECProcessor::CCECProcessor(CLibCEC *libcec) :
  60     m_bInitialised(false),
  61     m_communication(NULL),
  62     m_libcec(libcec),
  63     m_iStandardLineTimeout(3),
  64     m_iRetryLineTimeout(3),
  65     m_iLastTransmission(0),
  66     m_bMonitor(true),
  67     m_addrAllocator(NULL),
  68     m_bStallCommunication(false)
  69 {
  70   m_busDevices = new CCECDeviceMap(this);
  71 }
  72
  73 CCECProcessor::~CCECProcessor(void)
  74 {
  75   m_bStallCommunication = false;
  76   DELETE_AND_NULL(m_addrAllocator);
  77   Close();
  78   DELETE_AND_NULL(m_busDevices);
  79 }
  80
  81 bool CCECProcessor::Start(const char *strPort, uint16_t iBaudRate /* = CEC_SERIAL_DEFAULT_BAUDRATE */, uint32_t iTimeoutMs /* = CEC_DEFAULT_CONNECT_TIMEOUT */)
  82 {
  83   CLockObject lock(m_mutex);
  84   // open a connection
  85   if (!OpenConnection(strPort, iBaudRate, iTimeoutMs))
  86     return false;
  87
  88   // create the processor thread
  89   if (!IsRunning())
  90   {
  91     if (!CreateThread())
  92     {
  93       m_libcec->AddLog(CEC_LOG_ERROR, "could not create a processor thread");
  94       return false;
  95     }
  96   }
  97
  98   return true;
  99 }
 100
 101 void CCECProcessor::Close(void)
 102 {
 103   // mark as uninitialised
 104   SetCECInitialised(false);
 105
 106   // stop the processor
 107   StopThread(-1);
 108   m_inBuffer.Broadcast();
 109   StopThread();
 110
 111   // close the connection
 112   DELETE_AND_NULL(m_communication);
 113 }
 114
 115 void CCECProcessor::ResetMembers(void)
 116 {
 117   // close the connection
 118   DELETE_AND_NULL(m_communication);
 119
 120   // reset the other members to the initial state
 121   m_iStandardLineTimeout = 3;
 122   m_iRetryLineTimeout = 3;
 123   m_iLastTransmission = 0;
 124   m_busDevices->ResetDeviceStatus();
 125 }
 126
 127 bool CCECProcessor::OpenConnection(const char *strPort, uint16_t iBaudRate, uint32_t iTimeoutMs, bool bStartListening /* = true */)
 128 {
 129   bool bReturn(false);
 130   CTimeout timeout(iTimeoutMs > 0 ? iTimeoutMs : CEC_DEFAULT_TRANSMIT_WAIT);
 131
 132   // ensure that a previous connection is closed
 133   Close();
 134
 135   // reset all member to the initial state
 136   ResetMembers();
 137
 138   // check whether the Close() method deleted any previous connection
 139   if (m_communication)
 140   {
 141     m_libcec->AddLog(CEC_LOG_ERROR, "previous connection could not be closed");
 142     return bReturn;
 143   }
 144
 145   // create a new connection
 146   m_communication = CAdapterFactory(this->m_libcec).GetInstance(strPort, iBaudRate);
 147
 148   // open a new connection
 149   unsigned iConnectTry(0);
 150   while (timeout.TimeLeft() > 0 && (bReturn = m_communication->Open((timeout.TimeLeft() / CEC_CONNECT_TRIES), false, bStartListening)) == false)
 151   {
 152     m_libcec->AddLog(CEC_LOG_ERROR, "could not open a connection (try %d)", ++iConnectTry);
 153     m_communication->Close();
 154     CEvent::Sleep(CEC_DEFAULT_CONNECT_RETRY_WAIT);
 155   }
 156
 157   m_libcec->AddLog(CEC_LOG_NOTICE, "connection opened");
 158
 159   // mark as initialised
 160   SetCECInitialised(true);
 161
 162   return bReturn;
 163 }
 164
 165 bool CCECProcessor::CECInitialised(void)
 166 {
 167   CLockObject lock(m_threadMutex);
 168   return m_bInitialised;
 169 }
 170
 171 void CCECProcessor::SetCECInitialised(bool bSetTo /* = true */)
 172 {
 173   {
 174     CLockObject lock(m_mutex);
 175     m_bInitialised = bSetTo;
 176   }
 177   if (!bSetTo)
 178     UnregisterClients();
 179 }
 180
 181 bool CCECProcessor::TryLogicalAddress(cec_logical_address address, cec_version libCECSpecVersion /* = CEC_VERSION_1_4 */)
 182 {
 183   // find the device
 184   CCECBusDevice *device = m_busDevices->At(address);
 185   if (device)
 186   {
 187     // check if it's already marked as present or used
 188     if (device->IsPresent() || device->IsHandledByLibCEC())
 189       return false;
 190
 191     // poll the LA if not
 192     return device->TryLogicalAddress(libCECSpecVersion);
 193   }
 194
 195   return false;
 196 }
 197
 198 void CCECProcessor::ReplaceHandlers(void)
 199 {
 200   if (!CECInitialised())
 201     return;
 202
 203   // check each device
 204   for (CECDEVICEMAP::iterator it = m_busDevices->Begin(); it != m_busDevices->End(); it++)
 205     it->second->ReplaceHandler(true);
 206 }
 207
 208 bool CCECProcessor::OnCommandReceived(const cec_command &command)
 209 {
 210   return m_inBuffer.Push(command);
 211 }
 212
 213 void *CCECProcessor::Process(void)
 214 {
 215   m_libcec->AddLog(CEC_LOG_DEBUG, "processor thread started");
 216
 217   cec_command command; command.Clear();
 218   CTimeout activeSourceCheck(ACTIVE_SOURCE_CHECK_INTERVAL);
 219
 220   // as long as we're not being stopped and the connection is open
 221   while (!IsStopped() && m_communication->IsOpen())
 222   {
 223     // wait for a new incoming command, and process it
 224     if (m_inBuffer.Pop(command, CEC_PROCESSOR_SIGNAL_WAIT_TIME))
 225       ProcessCommand(command);
 226
 227     if (CECInitialised() && !IsStopped())
 228     {
 229       // check clients for keypress timeouts
 230       m_libcec->CheckKeypressTimeout();
 231
 232       // check if we need to replace handlers
 233       ReplaceHandlers();
 234
 235       // check whether we need to activate a source, if it failed before
 236       if (activeSourceCheck.TimeLeft() == 0)
 237       {
 238         if (CECInitialised())
 239           TransmitPendingActiveSourceCommands();
 240         activeSourceCheck.Init(ACTIVE_SOURCE_CHECK_INTERVAL);
 241       }
 242     }
 243   }
 244
 245   return NULL;
 246 }
 247
 248 bool CCECProcessor::ActivateSource(uint16_t iStreamPath)
 249 {
 250   bool bReturn(false);
 251
 252   // find the device with the given PA
 253   CCECBusDevice *device = GetDeviceByPhysicalAddress(iStreamPath);
 254   // and make it the active source when found
 255   if (device)
 256     bReturn = device->ActivateSource();
 257   else
 258     m_libcec->AddLog(CEC_LOG_DEBUG, "device with PA '%04x' not found", iStreamPath);
 259
 260   return bReturn;
 261 }
 262
 263 void CCECProcessor::SetStandardLineTimeout(uint8_t iTimeout)
 264 {
 265   CLockObject lock(m_mutex);
 266   m_iStandardLineTimeout = iTimeout;
 267 }
 268
 269 uint8_t CCECProcessor::GetStandardLineTimeout(void)
 270 {
 271   CLockObject lock(m_mutex);
 272   return m_iStandardLineTimeout;
 273 }
 274
 275 void CCECProcessor::SetRetryLineTimeout(uint8_t iTimeout)
 276 {
 277   CLockObject lock(m_mutex);
 278   m_iRetryLineTimeout = iTimeout;
 279 }
 280
 281 uint8_t CCECProcessor::GetRetryLineTimeout(void)
 282 {
 283   CLockObject lock(m_mutex);
 284   return m_iRetryLineTimeout;
 285 }
 286
 287 bool CCECProcessor::PhysicalAddressInUse(uint16_t iPhysicalAddress)
 288 {
 289   CCECBusDevice *device = GetDeviceByPhysicalAddress(iPhysicalAddress);
 290   return device != NULL;
 291 }
 292
 293 void CCECProcessor::LogOutput(const cec_command &data)
 294 {
 295   CStdString strTx;
 296
 297   // initiator and destination
 298   strTx.Format("<< %02x", ((uint8_t)data.initiator << 4) + (uint8_t)data.destination);
 299
 300   // append the opcode
 301   if (data.opcode_set)
 302       strTx.AppendFormat(":%02x", (uint8_t)data.opcode);
 303
 304   // append the parameters
 305   for (uint8_t iPtr = 0; iPtr < data.parameters.size; iPtr++)
 306     strTx.AppendFormat(":%02x", data.parameters[iPtr]);
 307
 308   // and log it
 309   m_libcec->AddLog(CEC_LOG_TRAFFIC, strTx.c_str());
 310 }
 311
 312 bool CCECProcessor::PollDevice(cec_logical_address iAddress)
 313 {
 314   // try to find the primary device
 315   CCECBusDevice *primary = GetPrimaryDevice();
 316   // poll the destination, with the primary as source
 317   if (primary)
 318     return primary->TransmitPoll(iAddress, false);
 319
 320   CCECBusDevice *device = m_busDevices->At(CECDEVICE_UNREGISTERED);
 321   if (device)
 322     return device->TransmitPoll(iAddress, false);
 323
 324   return false;
 325 }
 326
 327 CCECBusDevice *CCECProcessor::GetDeviceByPhysicalAddress(uint16_t iPhysicalAddress, bool bSuppressUpdate /* = true */)
 328 {
 329   return m_busDevices ?
 330       m_busDevices->GetDeviceByPhysicalAddress(iPhysicalAddress, bSuppressUpdate) :
 331       NULL;
 332 }
 333
 334 CCECBusDevice *CCECProcessor::GetDevice(cec_logical_address address) const
 335 {
 336   return m_busDevices ?
 337       m_busDevices->At(address) :
 338       NULL;
 339 }
 340
 341 cec_logical_address CCECProcessor::GetActiveSource(bool bRequestActiveSource /* = true */)
 342 {
 343   // get the device that is marked as active source from the device map
 344   CCECBusDevice *activeSource = m_busDevices->GetActiveSource();
 345   if (activeSource)
 346     return activeSource->GetLogicalAddress();
 347
 348   if (bRequestActiveSource)
 349   {
 350     // request the active source from the bus
 351     CCECBusDevice *primary = GetPrimaryDevice();
 352     if (primary)
 353     {
 354       primary->RequestActiveSource();
 355       return GetActiveSource(false);
 356     }
 357   }
 358
 359   // unknown or none
 360   return CECDEVICE_UNKNOWN;
 361 }
 362
 363 bool CCECProcessor::IsActiveSource(cec_logical_address iAddress)
 364 {
 365   CCECBusDevice *device = m_busDevices->At(iAddress);
 366   return device && device->IsActiveSource();
 367 }
 368
 369 bool CCECProcessor::Transmit(const cec_command &data, bool bIsReply)
 370 {
 371   cec_command transmitData(data);
 372   uint8_t iMaxTries(0);
 373   bool bRetry(true);
 374   uint8_t iTries(0);
 375
 376   // get the current timeout setting
 377   uint8_t iLineTimeout(GetStandardLineTimeout());
 378
 379   // reset the state of this message to 'unknown'
 380   cec_adapter_message_state adapterState = ADAPTER_MESSAGE_STATE_UNKNOWN;
 381
 382   if (!m_communication->SupportsSourceLogicalAddress(transmitData.initiator))
 383   {
 384     if (transmitData.initiator == CECDEVICE_UNREGISTERED && m_communication->SupportsSourceLogicalAddress(CECDEVICE_FREEUSE))
 385     {
 386       m_libcec->AddLog(CEC_LOG_DEBUG, "initiator '%s' is not supported by the CEC adapter. using '%s' instead", ToString(transmitData.initiator), ToString(CECDEVICE_FREEUSE));
 387       transmitData.initiator = CECDEVICE_FREEUSE;
 388     }
 389     else
 390     {
 391       m_libcec->AddLog(CEC_LOG_DEBUG, "initiator '%s' is not supported by the CEC adapter", ToString(transmitData.initiator));
 392       return false;
 393     }
 394   }
 395
 396   LogOutput(transmitData);
 397
 398   // find the initiator device
 399   CCECBusDevice *initiator = m_busDevices->At(transmitData.initiator);
 400   if (!initiator)
 401   {
 402     m_libcec->AddLog(CEC_LOG_WARNING, "invalid initiator");
 403     return false;
 404   }
 405
 406   // find the destination device, if it's not the broadcast address
 407   if (transmitData.destination != CECDEVICE_BROADCAST)
 408   {
 409     // check if the device is marked as handled by libCEC
 410     CCECBusDevice *destination = m_busDevices->At(transmitData.destination);
 411     if (destination && destination->IsHandledByLibCEC())
 412     {
 413       // and reject the command if it's trying to send data to a device that is handled by libCEC
 414       m_libcec->AddLog(CEC_LOG_WARNING, "not sending data to myself!");
 415       return false;
 416     }
 417   }
 418
 419   // wait until we finished allocating a new LA if it got lost
 420   while (m_bStallCommunication) Sleep(5);
 421
 422   {
 423     CLockObject lock(m_mutex);
 424     m_iLastTransmission = GetTimeMs();
 425     // set the number of tries
 426     iMaxTries = initiator->GetHandler()->GetTransmitRetries() + 1;
 427     initiator->MarkHandlerReady();
 428   }
 429
 430   // and try to send the command
 431   while (bRetry && ++iTries < iMaxTries)
 432   {
 433     if (initiator->IsUnsupportedFeature(transmitData.opcode))
 434       return false;
 435
 436     adapterState = !IsStopped() && m_communication && m_communication->IsOpen() ?
 437         m_communication->Write(transmitData, bRetry, iLineTimeout, bIsReply) :
 438         ADAPTER_MESSAGE_STATE_ERROR;
 439     iLineTimeout = m_iRetryLineTimeout;
 440   }
 441
 442   return bIsReply ?
 443       adapterState == ADAPTER_MESSAGE_STATE_SENT_ACKED || adapterState == ADAPTER_MESSAGE_STATE_SENT || adapterState == ADAPTER_MESSAGE_STATE_WAITING_TO_BE_SENT :
 444       adapterState == ADAPTER_MESSAGE_STATE_SENT_ACKED;
 445 }
 446
 447 void CCECProcessor::TransmitAbort(cec_logical_address source, cec_logical_address destination, cec_opcode opcode, cec_abort_reason reason /* = CEC_ABORT_REASON_UNRECOGNIZED_OPCODE */)
 448 {
 449   m_libcec->AddLog(CEC_LOG_DEBUG, "<< transmitting abort message");
 450
 451   cec_command command;
 452   cec_command::Format(command, source, destination, CEC_OPCODE_FEATURE_ABORT);
 453   command.parameters.PushBack((uint8_t)opcode);
 454   command.parameters.PushBack((uint8_t)reason);
 455
 456   Transmit(command, true);
 457 }
 458
 459 void CCECProcessor::ProcessCommand(const cec_command &command)
 460 {
 461   // log the command
 462   CStdString dataStr;
 463   dataStr.Format(">> %1x%1x", command.initiator, command.destination);
 464   if (command.opcode_set == 1)
 465     dataStr.AppendFormat(":%02x", command.opcode);
 466   for (uint8_t iPtr = 0; iPtr < command.parameters.size; iPtr++)
 467     dataStr.AppendFormat(":%02x", (unsigned int)command.parameters[iPtr]);
 468   m_libcec->AddLog(CEC_LOG_TRAFFIC, dataStr.c_str());
 469
 470   // find the initiator
 471   CCECBusDevice *device = m_busDevices->At(command.initiator);
 472
 473   if (device)
 474     device->HandleCommand(command);
 475 }
 476
 477 bool CCECProcessor::IsPresentDevice(cec_logical_address address)
 478 {
 479   CCECBusDevice *device = m_busDevices->At(address);
 480   return device && device->GetStatus() == CEC_DEVICE_STATUS_PRESENT;
 481 }
 482
 483 bool CCECProcessor::IsPresentDeviceType(cec_device_type type)
 484 {
 485   CECDEVICEVEC devices;
 486   m_busDevices->GetByType(type, devices);
 487   CCECDeviceMap::FilterActive(devices);
 488   return !devices.empty();
 489 }
 490
 491 uint16_t CCECProcessor::GetDetectedPhysicalAddress(void) const
 492 {
 493   return m_communication ? m_communication->GetPhysicalAddress() : CEC_INVALID_PHYSICAL_ADDRESS;
 494 }
 495
 496 bool CCECProcessor::ClearLogicalAddresses(void)
 497 {
 498   cec_logical_addresses addresses; addresses.Clear();
 499   return SetLogicalAddresses(addresses);
 500 }
 501
 502 bool CCECProcessor::SetLogicalAddresses(const cec_logical_addresses &addresses)
 503 {
 504   return m_communication ? m_communication->SetLogicalAddresses(addresses) : false;
 505 }
 506
 507 bool CCECProcessor::StandbyDevices(const cec_logical_address initiator, const CECDEVICEVEC &devices)
 508 {
 509   bool bReturn(true);
 510   for (CECDEVICEVEC::const_iterator it = devices.begin(); it != devices.end(); it++)
 511     bReturn &= (*it)->Standby(initiator);
 512   return bReturn;
 513 }
 514
 515 bool CCECProcessor::StandbyDevice(const cec_logical_address initiator, cec_logical_address address)
 516 {
 517   CCECBusDevice *device = m_busDevices->At(address);
 518   return device ? device->Standby(initiator) : false;
 519 }
 520
 521 bool CCECProcessor::PowerOnDevices(const cec_logical_address initiator, const CECDEVICEVEC &devices)
 522 {
 523   bool bReturn(true);
 524   for (CECDEVICEVEC::const_iterator it = devices.begin(); it != devices.end(); it++)
 525     bReturn &= (*it)->PowerOn(initiator);
 526   return bReturn;
 527 }
 528
 529 bool CCECProcessor::PowerOnDevice(const cec_logical_address initiator, cec_logical_address address)
 530 {
 531   CCECBusDevice *device = m_busDevices->At(address);
 532   return device ? device->PowerOn(initiator) : false;
 533 }
 534
 535 bool CCECProcessor::StartBootloader(const char *strPort /* = NULL */)
 536 {
 537   bool bReturn(false);
 538   // open a connection if no connection has been opened
 539   if (!m_communication && strPort)
 540   {
 541     CAdapterFactory factory(this->m_libcec);
 542     IAdapterCommunication *comm = factory.GetInstance(strPort);
 543     CTimeout timeout(CEC_DEFAULT_CONNECT_TIMEOUT);
 544     int iConnectTry(0);
 545     while (timeout.TimeLeft() > 0 && (bReturn = comm->Open(timeout.TimeLeft() / CEC_CONNECT_TRIES, true)) == false)
 546     {
 547       m_libcec->AddLog(CEC_LOG_ERROR, "could not open a connection (try %d)", ++iConnectTry);
 548       comm->Close();
 549       Sleep(CEC_DEFAULT_TRANSMIT_RETRY_WAIT);
 550     }
 551     if (comm->IsOpen())
 552     {
 553       bReturn = comm->StartBootloader();
 554       DELETE_AND_NULL(comm);
 555     }
 556     return bReturn;
 557   }
 558   else
 559   {
 560     m_communication->StartBootloader();
 561     Close();
 562     bReturn = true;
 563   }
 564
 565   return bReturn;
 566 }
 567
 568 bool CCECProcessor::PingAdapter(void)
 569 {
 570   return m_communication->PingAdapter();
 571 }
 572
 573 void CCECProcessor::HandlePoll(cec_logical_address initiator, cec_logical_address destination)
 574 {
 575   CCECBusDevice *device = m_busDevices->At(destination);
 576   if (device)
 577     device->HandlePollFrom(initiator);
 578 }
 579
 580 bool CCECProcessor::HandleReceiveFailed(cec_logical_address initiator)
 581 {
 582   CCECBusDevice *device = m_busDevices->At(initiator);
 583   return !device || !device->HandleReceiveFailed();
 584 }
 585
 586 bool CCECProcessor::CanPersistConfiguration(void)
 587 {
 588   return m_communication ? m_communication->GetFirmwareVersion() >= 2 : false;
 589 }
 590
 591 bool CCECProcessor::PersistConfiguration(const libcec_configuration &configuration)
 592 {
 593   libcec_configuration persistConfiguration = configuration;
 594   if (!CLibCEC::IsValidPhysicalAddress(configuration.iPhysicalAddress))
 595   {
 596     CCECBusDevice *device = GetPrimaryDevice();
 597     if (device)
 598       persistConfiguration.iPhysicalAddress = device->GetCurrentPhysicalAddress();
 599   }
 600
 601   return m_communication ? m_communication->PersistConfiguration(persistConfiguration) : false;
 602 }
 603
 604 void CCECProcessor::RescanActiveDevices(void)
 605 {
 606   for (CECDEVICEMAP::iterator it = m_busDevices->Begin(); it != m_busDevices->End(); it++)
 607     it->second->GetStatus(true);
 608 }
 609
 610 bool CCECProcessor::GetDeviceInformation(const char *strPort, libcec_configuration *config, uint32_t iTimeoutMs /* = CEC_DEFAULT_CONNECT_TIMEOUT */)
 611 {
 612   if (!OpenConnection(strPort, CEC_SERIAL_DEFAULT_BAUDRATE, iTimeoutMs, false))
 613     return false;
 614
 615   config->iFirmwareVersion   = m_communication->GetFirmwareVersion();
 616   config->iPhysicalAddress   = m_communication->GetPhysicalAddress();
 617   config->iFirmwareBuildDate = m_communication->GetFirmwareBuildDate();
 618   config->adapterType        = m_communication->GetAdapterType();
 619
 620   return true;
 621 }
 622
 623 bool CCECProcessor::TransmitPendingActiveSourceCommands(void)
 624 {
 625   bool bReturn(true);
 626   for (CECDEVICEMAP::iterator it = m_busDevices->Begin(); it != m_busDevices->End(); it++)
 627     bReturn &= it->second->TransmitPendingActiveSourceCommands();
 628   return bReturn;
 629 }
 630
 631 CCECTV *CCECProcessor::GetTV(void) const
 632 {
 633   return CCECBusDevice::AsTV(m_busDevices->At(CECDEVICE_TV));
 634 }
 635
 636 CCECAudioSystem *CCECProcessor::GetAudioSystem(void) const
 637 {
 638   return CCECBusDevice::AsAudioSystem(m_busDevices->At(CECDEVICE_AUDIOSYSTEM));
 639 }
 640
 641 CCECPlaybackDevice *CCECProcessor::GetPlaybackDevice(cec_logical_address address) const
 642 {
 643   return CCECBusDevice::AsPlaybackDevice(m_busDevices->At(address));
 644 }
 645
 646 CCECRecordingDevice *CCECProcessor::GetRecordingDevice(cec_logical_address address) const
 647 {
 648   return CCECBusDevice::AsRecordingDevice(m_busDevices->At(address));
 649 }
 650
 651 CCECTuner *CCECProcessor::GetTuner(cec_logical_address address) const
 652 {
 653   return CCECBusDevice::AsTuner(m_busDevices->At(address));
 654 }
 655
 656 bool CCECProcessor::AllocateLogicalAddresses(CCECClient* client)
 657 {
 658   libcec_configuration &configuration = *client->GetConfiguration();
 659
 660   // mark as unregistered
 661   client->SetRegistered(false);
 662
 663   // unregister this client from the old addresses
 664   CECDEVICEVEC devices;
 665   m_busDevices->GetByLogicalAddresses(devices, configuration.logicalAddresses);
 666   for (CECDEVICEVEC::const_iterator it = devices.begin(); it != devices.end(); it++)
 667   {
 668     // remove client entry
 669     CLockObject lock(m_mutex);
 670     m_clients.erase((*it)->GetLogicalAddress());
 671   }
 672
 673   // find logical addresses for this client
 674   if (!client->AllocateLogicalAddresses())
 675   {
 676     m_libcec->AddLog(CEC_LOG_ERROR, "failed to find a free logical address for the client");
 677     return false;
 678   }
 679
 680   // register this client on the new addresses
 681   devices.clear();
 682   m_busDevices->GetByLogicalAddresses(devices, configuration.logicalAddresses);
 683   for (CECDEVICEVEC::const_iterator it = devices.begin(); it != devices.end(); it++)
 684   {
 685     // set the physical address of the device at this LA
 686     if (CLibCEC::IsValidPhysicalAddress(configuration.iPhysicalAddress))
 687       (*it)->SetPhysicalAddress(configuration.iPhysicalAddress);
 688
 689     // replace a previous client
 690     CLockObject lock(m_mutex);
 691     m_clients.erase((*it)->GetLogicalAddress());
 692     m_clients.insert(make_pair<cec_logical_address, CCECClient *>((*it)->GetLogicalAddress(), client));
 693   }
 694
 695   // set the new ackmask
 696   SetLogicalAddresses(GetLogicalAddresses());
 697
 698   // resume outgoing communication
 699   m_bStallCommunication = false;
 700
 701   return true;
 702 }
 703
 704 uint16_t CCECProcessor::GetPhysicalAddressFromEeprom(void)
 705 {
 706   libcec_configuration config; config.Clear();
 707   if (m_communication)
 708     m_communication->GetConfiguration(config);
 709   return config.iPhysicalAddress;
 710 }
 711
 712 bool CCECProcessor::RegisterClient(CCECClient *client)
 713 {
 714   if (!client)
 715     return false;
 716
 717   libcec_configuration &configuration = *client->GetConfiguration();
 718
 719   if (configuration.clientVersion < CEC_CLIENT_VERSION_2_0_0)
 720   {
 721     m_libcec->AddLog(CEC_LOG_ERROR, "failed to register a new CEC client: client version %s is no longer supported", ToString((cec_client_version)configuration.clientVersion));
 722     return false;
 723   }
 724
 725   if (configuration.bMonitorOnly == 1)
 726     return true;
 727
 728   if (!CECInitialised())
 729   {
 730     m_libcec->AddLog(CEC_LOG_ERROR, "failed to register a new CEC client: CEC processor is not initialised");
 731     return false;
 732   }
 733
 734   // unregister the client first if it's already been marked as registered
 735   if (client->IsRegistered())
 736     UnregisterClient(client);
 737
 738   // ensure that controlled mode is enabled
 739   m_communication->SetControlledMode(true);
 740
 741   // source logical address for requests
 742   cec_logical_address sourceAddress(CECDEVICE_UNREGISTERED);
 743   if (!m_communication->SupportsSourceLogicalAddress(CECDEVICE_UNREGISTERED))
 744   {
 745     if (m_communication->SupportsSourceLogicalAddress(CECDEVICE_FREEUSE))
 746       sourceAddress = CECDEVICE_FREEUSE;
 747     else
 748     {
 749       m_libcec->AddLog(CEC_LOG_ERROR, "failed to register a new CEC client: both unregistered and free use are not supported by the device");
 750       return false;
 751     }
 752   }
 753
 754   // ensure that we know the vendor id of the TV
 755   CCECBusDevice *tv = GetTV();
 756   cec_vendor_id tvVendor(tv->GetVendorId(sourceAddress));
 757
 758   // wait until the handler is replaced, to avoid double registrations
 759   if (tvVendor != CEC_VENDOR_UNKNOWN &&
 760       CCECCommandHandler::HasSpecificHandler(tvVendor))
 761   {
 762     while (!tv->ReplaceHandler(false))
 763       CEvent::Sleep(5);
 764   }
 765
 766   // get the configuration from the client
 767   m_libcec->AddLog(CEC_LOG_NOTICE, "registering new CEC client - v%s", ToString((cec_client_version)configuration.clientVersion));
 768
 769   // get the current ackmask, so we can restore it if polling fails
 770   cec_logical_addresses previousMask = GetLogicalAddresses();
 771
 772   // mark as uninitialised
 773   client->SetInitialised(false);
 774
 775   // find logical addresses for this client
 776   if (!AllocateLogicalAddresses(client))
 777   {
 778     m_libcec->AddLog(CEC_LOG_ERROR, "failed to register the new CEC client - cannot allocate the requested device types");
 779     SetLogicalAddresses(previousMask);
 780     return false;
 781   }
 782
 783   // get the settings from the rom
 784   if (configuration.bGetSettingsFromROM == 1)
 785   {
 786     libcec_configuration config; config.Clear();
 787     m_communication->GetConfiguration(config);
 788
 789     CLockObject lock(m_mutex);
 790     if (!config.deviceTypes.IsEmpty())
 791       configuration.deviceTypes = config.deviceTypes;
 792     if (CLibCEC::IsValidPhysicalAddress(config.iPhysicalAddress))
 793       configuration.iPhysicalAddress = config.iPhysicalAddress;
 794     snprintf(configuration.strDeviceName, 13, "%s", config.strDeviceName);
 795   }
 796
 797   // set the firmware version and build date
 798   configuration.serverVersion      = LIBCEC_VERSION_CURRENT;
 799   configuration.iFirmwareVersion   = m_communication->GetFirmwareVersion();
 800   configuration.iFirmwareBuildDate = m_communication->GetFirmwareBuildDate();
 801   configuration.adapterType        = m_communication->GetAdapterType();
 802
 803   // mark the client as registered
 804   client->SetRegistered(true);
 805
 806   sourceAddress = client->GetPrimaryLogicalAdddress();
 807
 808   // initialise the client
 809   bool bReturn = client->OnRegister();
 810
 811   // log the new registration
 812   CStdString strLog;
 813   strLog.Format("%s: %s", bReturn ? "CEC client registered" : "failed to register the CEC client", client->GetConnectionInfo().c_str());
 814   m_libcec->AddLog(bReturn ? CEC_LOG_NOTICE : CEC_LOG_ERROR, strLog);
 815
 816   // display a warning if the firmware can be upgraded
 817   if (bReturn && !IsRunningLatestFirmware())
 818   {
 819     const char *strUpgradeMessage = "The firmware of this adapter can be upgraded. Please visit http://blog.pulse-eight.com/ for more information.";
 820     m_libcec->AddLog(CEC_LOG_WARNING, strUpgradeMessage);
 821     libcec_parameter param;
 822     param.paramData = (void*)strUpgradeMessage; param.paramType = CEC_PARAMETER_TYPE_STRING;
 823     client->Alert(CEC_ALERT_SERVICE_DEVICE, param);
 824   }
 825
 826   // ensure that the command handler for the TV is initialised
 827   if (bReturn)
 828   {
 829     CCECCommandHandler *handler = GetTV()->GetHandler();
 830     if (handler)
 831       handler->InitHandler();
 832     GetTV()->MarkHandlerReady();
 833   }
 834
 835   // request the power status of the TV
 836   tv->RequestPowerStatus(sourceAddress, true);
 837
 838   return bReturn;
 839 }
 840
 841 bool CCECProcessor::UnregisterClient(CCECClient *client)
 842 {
 843   if (!client)
 844     return false;
 845
 846   if (client->IsRegistered())
 847     m_libcec->AddLog(CEC_LOG_NOTICE, "unregistering client: %s", client->GetConnectionInfo().c_str());
 848
 849   // notify the client that it will be unregistered
 850   client->OnUnregister();
 851
 852   {
 853     CLockObject lock(m_mutex);
 854     // find all devices that match the LA's of this client
 855     CECDEVICEVEC devices;
 856     m_busDevices->GetByLogicalAddresses(devices, client->GetConfiguration()->logicalAddresses);
 857     for (CECDEVICEVEC::const_iterator it = devices.begin(); it != devices.end(); it++)
 858     {
 859       // find the client
 860       map<cec_logical_address, CCECClient *>::iterator entry = m_clients.find((*it)->GetLogicalAddress());
 861       // unregister the client
 862       if (entry != m_clients.end())
 863         m_clients.erase(entry);
 864
 865       // reset the device status
 866       (*it)->ResetDeviceStatus();
 867     }
 868   }
 869
 870   // set the new ackmask
 871   cec_logical_addresses addresses = GetLogicalAddresses();
 872   if (SetLogicalAddresses(addresses))
 873   {
 874     // no more clients left, disable controlled mode
 875     if (addresses.IsEmpty() && !m_bMonitor)
 876       m_communication->SetControlledMode(false);
 877
 878     return true;
 879   }
 880
 881   return false;
 882 }
 883
 884 void CCECProcessor::UnregisterClients(void)
 885 {
 886   m_libcec->AddLog(CEC_LOG_DEBUG, "unregistering all CEC clients");
 887
 888   vector<CCECClient *> clients = m_libcec->GetClients();
 889   for (vector<CCECClient *>::iterator client = clients.begin(); client != clients.end(); client++)
 890     UnregisterClient(*client);
 891
 892   CLockObject lock(m_mutex);
 893   m_clients.clear();
 894 }
 895
 896 CCECClient *CCECProcessor::GetClient(const cec_logical_address address)
 897 {
 898   CLockObject lock(m_mutex);
 899   map<cec_logical_address, CCECClient *>::const_iterator client = m_clients.find(address);
 900   if (client != m_clients.end())
 901     return client->second;
 902   return NULL;
 903 }
 904
 905 CCECClient *CCECProcessor::GetPrimaryClient(void)
 906 {
 907   CLockObject lock(m_mutex);
 908   map<cec_logical_address, CCECClient *>::const_iterator client = m_clients.begin();
 909   if (client != m_clients.end())
 910     return client->second;
 911   return NULL;
 912 }
 913
 914 CCECBusDevice *CCECProcessor::GetPrimaryDevice(void)
 915 {
 916   return m_busDevices->At(GetLogicalAddress());
 917 }
 918
 919 cec_logical_address CCECProcessor::GetLogicalAddress(void)
 920 {
 921   cec_logical_addresses addresses = GetLogicalAddresses();
 922   return addresses.primary;
 923 }
 924
 925 cec_logical_addresses CCECProcessor::GetLogicalAddresses(void)
 926 {
 927   CLockObject lock(m_mutex);
 928   cec_logical_addresses addresses;
 929   addresses.Clear();
 930   for (map<cec_logical_address, CCECClient *>::const_iterator client = m_clients.begin(); client != m_clients.end(); client++)
 931     addresses.Set(client->first);
 932
 933   return addresses;
 934 }
 935
 936 bool CCECProcessor::IsHandledByLibCEC(const cec_logical_address address) const
 937 {
 938   CCECBusDevice *device = GetDevice(address);
 939   return device && device->IsHandledByLibCEC();
 940 }
 941
 942 bool CCECProcessor::IsRunningLatestFirmware(void)
 943 {
 944   return m_communication && m_communication->IsOpen() ?
 945       m_communication->IsRunningLatestFirmware() :
 946       true;
 947 }
 948
 949 void CCECProcessor::SwitchMonitoring(bool bSwitchTo)
 950 {
 951   {
 952     CLockObject lock(m_mutex);
 953     m_bMonitor = bSwitchTo;
 954   }
 955   if (bSwitchTo)
 956     UnregisterClients();
 957 }
 958
 959 void CCECProcessor::HandleLogicalAddressLost(cec_logical_address oldAddress)
 960 {
 961   // stall outgoing messages until we know our new LA
 962   m_bStallCommunication = true;
 963
 964   m_libcec->AddLog(CEC_LOG_NOTICE, "logical address %x was taken by another device, allocating a new address", oldAddress);
 965   CCECClient* client = GetClient(oldAddress);
 966   if (!client)
 967     client = GetPrimaryClient();
 968   if (client)
 969   {
 970     if (m_addrAllocator)
 971       while (m_addrAllocator->IsRunning()) Sleep(5);
 972     delete m_addrAllocator;
 973
 974     m_addrAllocator = new CCECAllocateLogicalAddress(this, client);
 975     m_addrAllocator->CreateThread();
 976   }
 977 }
 978
 979 uint16_t CCECProcessor::GetAdapterVendorId(void) const
 980 {
 981   return m_communication ? m_communication->GetAdapterVendorId() : 0;
 982 }
 983
 984 uint16_t CCECProcessor::GetAdapterProductId(void) const
 985 {
 986   return m_communication ? m_communication->GetAdapterProductId() : 0;
 987 }
 988
 989 CCECAllocateLogicalAddress::CCECAllocateLogicalAddress(CCECProcessor* processor, CCECClient* client) :
 990     m_processor(processor),
 991     m_client(client) { }
 992
 993 void* CCECAllocateLogicalAddress::Process(void)
 994 {
 995   m_processor->AllocateLogicalAddresses(m_client);
 996   return NULL;
 997 }