void CSensorBackendSym::GetPropertiesL()
{
//description
GetDescription();
//data rate
GetDataRate();
//accuracy and measurement ranges
GetMeasurementrangeAndAccuracy();
}
bool LiveDownloadDriver::ShouldUseCdnToAccelerate()
{
if (!is_history_upload_good_)
{
return false;
}
if (live_streams_[data_rate_manager_.GetCurrentDataRatePos()]->GetTimesOfUseCdnBecauseOfLargeUpload() != 0 &&
tick_counter_since_last_advance_using_cdn_.elapsed() < BootStrapGeneralConfig::Inst()->GetMinIntervalOfCdnAccelerationDelim(is_saving_mode_) * 1000)
{
return false;
}
if (GetP2PControlTarget() && GetP2PControlTarget()->GetPooledPeersCount() >= BootStrapGeneralConfig::Inst()->GetDesirableLiveIpPoolSize() &&
statistic::UploadStatisticModule::Inst()->GetUploadCount() > BootStrapGeneralConfig::Inst()->GetUploadConnectionCountDelim(is_saving_mode_) &&
statistic::UploadStatisticModule::Inst()->GetUploadSpeed() > GetDataRate() * BootStrapGeneralConfig::Inst()->GetNotStrictRatioDelimOfUploadToDatarate(is_saving_mode_) / 100)
{
tick_counter_since_last_advance_using_cdn_.reset();
return true;
}
return false;
}
bool LiveDownloadDriver::IsUploadSpeedSmallEnough()
{
return statistic::StatisticModule::Inst()->GetMinuteUploadDataSpeed() < GetDataRate() * small_ratio_delim_of_upload_speed_to_datarate_ / 100;
}
void LiveDownloadDriver::UpdateStatisticInfo()
{
// rid
live_download_driver_statistic_info_.ResourceID = GetInstance()->GetRID();
// speed info
live_download_driver_statistic_info_.LiveHttpSpeedInfo = GetHTTPControlTarget()->GetSpeedInfo();
live_download_driver_statistic_info_.LiveP2PSpeedInfo = GetP2PControlTarget() ?
GetP2PControlTarget()->GetSpeedInfo() : statistic::SPEED_INFO();
live_download_driver_statistic_info_.LiveP2PSubPieceSpeedInfo = GetP2PControlTarget() ?
GetP2PControlTarget()->GetSubPieceSpeedInfo() : statistic::SPEED_INFO();
// http status code
live_download_driver_statistic_info_.LastHttpStatusCode = GetHTTPControlTarget()->GetHttpStatusCode();
// switch state
live_download_driver_statistic_info_.http_state = switch_state_http_;
live_download_driver_statistic_info_.p2p_state = switch_state_p2p_;
// peer count
live_download_driver_statistic_info_.PeerCount = GetP2PControlTarget() ? GetP2PControlTarget()->GetConnectedPeersCount() : 0;
// ip pool
live_download_driver_statistic_info_.IpPoolPeerCount = GetP2PControlTarget() ? GetP2PControlTarget()->GetPooledPeersCount() : 0;
// total unused subpiece count
live_download_driver_statistic_info_.TotalUnusedSubPieceCount = GetP2PControlTarget() ?
GetP2PControlTarget()->GetTotalUnusedSubPieceCount() : 0;
// total all request subpiece count
live_download_driver_statistic_info_.TotalAllRequestSubPieceCount = GetP2PControlTarget() ?
GetP2PControlTarget()->GetTotalAllRequestSubPieceCount() : 0;
// total recieved subpiece count
live_download_driver_statistic_info_.TotalRecievedSubPieceCount = GetP2PControlTarget() ?
GetP2PControlTarget()->GetTotalRecievedSubPieceCount() : 0;
// total request subpiece count
live_download_driver_statistic_info_.TotalRequestSubPieceCount = GetP2PControlTarget() ?
GetP2PControlTarget()->GetTotalRequestSubPieceCount() : 0;
// total p2p data bytes
live_download_driver_statistic_info_.TotalP2PDataBytes = GetP2PControlTarget() ? GetP2PControlTarget()->GetTotalP2PDataBytes() : 0;
// cache size
live_download_driver_statistic_info_.CacheSize = GetInstance()->GetCacheSize();
// first cache block id
live_download_driver_statistic_info_.CacheFirstBlockId = GetInstance()->GetCacheFirstBlockId();
// last cache block id
live_download_driver_statistic_info_.CacheLastBlockId = GetInstance()->GetCacheLastBlockId();
// playing position
live_download_driver_statistic_info_.PlayingPosition = playing_position_.GetBlockId();
// rest play time
live_download_driver_statistic_info_.RestPlayTime = GetRestPlayableTime();
// data rate
live_download_driver_statistic_info_.DataRate = GetDataRate();
// play position block full or not
live_download_driver_statistic_info_.IsPlayingPositionBlockFull = IsPlayingPositionBlockFull();
// peer connection info
if (GetP2PControlTarget())
{
const std::map<boost::asio::ip::udp::endpoint, boost::shared_ptr<p2sp::LivePeerConnection> > & peer_connections
= GetP2PControlTarget()->GetPeers();
int i = 0;
for (std::map<boost::asio::ip::udp::endpoint, boost::shared_ptr<p2sp::LivePeerConnection> >::const_iterator iter
= peer_connections.begin(); iter != peer_connections.end(); ++iter, ++i)
{
live_download_driver_statistic_info_.P2PConnections[i] = iter->second->GetPeerConnectionInfo();
}
}
// left capacity
#ifdef USE_MEMORY_POOL
live_download_driver_statistic_info_.LeftCapacity = protocol::LiveSubPieceContent::get_left_capacity();
#endif
// live point block id
live_download_driver_statistic_info_.LivePointBlockId = GetInstance()->GetCurrentLivePoint().GetBlockId();
// data rate level
live_download_driver_statistic_info_.DataRateLevel = data_rate_manager_.GetCurrentDataRatePos();
// jump times
live_download_driver_statistic_info_.JumpTimes = jump_times_;
// checksum failed
live_download_driver_statistic_info_.NumOfChecksumFailedPieces =
checksum_failed_times_ + GetInstance()->GetChecksumFailedTimes();
// udp server download bytes
live_download_driver_statistic_info_.TotalUdpServerDataBytes = GetP2PControlTarget() ?
GetP2PControlTarget()->GetTotalUdpServerDataBytes() : 0;
// pms status
live_download_driver_statistic_info_.PmsStatus = GetHTTPControlTarget()->GetPmsStatus() ? 0 : 1;
// udpserver speed
live_download_driver_statistic_info_.UdpServerSpeedInfo = GetP2PControlTarget() ?
GetP2PControlTarget()->GetUdpServerSpeedInfo() : statistic::SPEED_INFO();
// pause
live_download_driver_statistic_info_.IsPaused = rest_time_tracker_.IsPaused() ? 1 : 0;
// replay
live_download_driver_statistic_info_.IsReplay = replay_ ? 1 : 0;
// missing subpiece count of first block
live_download_driver_statistic_info_.MissingSubPieceCountOfFirstBlock = GetInstance()->GetMissingSubPieceCount(playing_position_.GetBlockId());
// exist subpiece count of first block
live_download_driver_statistic_info_.ExistSubPieceCountOfFirstBlock = GetInstance()->GetExistSubPieceCount(playing_position_.GetBlockId());
// peer 一秒的速度
live_download_driver_statistic_info_.P2PPeerSpeedInSecond = GetP2PControlTarget() ?
GetP2PControlTarget()->GetSubPieceSpeedInfoEx().SecondDownloadSpeed : 0;
// udpserver 一秒的速度
live_download_driver_statistic_info_.P2PUdpServerSpeedInSecond = GetP2PControlTarget() ?
GetP2PControlTarget()->GetUdpServerSpeedInfoEx().SecondDownloadSpeed : 0;
}
void LiveDownloadDriver::OnTimerElapsed(framework::timer::Timer * pointer)
{
if (pointer == &timer_)
{
if (playing_position_.GetSubPieceIndex() == 0)
{
JumpOrSwitchIfNeeded();
}
#ifndef STATISTIC_OFF
UpdateStatisticInfo();
statistic_->UpdateShareMemory();
#endif
if (http_download_max_speed_ < GetHTTPControlTarget()->GetSpeedInfo().NowDownloadSpeed)
{
http_download_max_speed_ = GetHTTPControlTarget()->GetSpeedInfo().NowDownloadSpeed;
}
if (GetP2PControlTarget())
{
if (p2p_download_max_speed_ < GetP2PControlTarget()->GetSpeedInfo().NowDownloadSpeed)
{
p2p_download_max_speed_ = GetP2PControlTarget()->GetSpeedInfo().NowDownloadSpeed;
}
if (udp_server_max_speed_ < GetP2PControlTarget()->GetUdpServerSpeedInfo().NowDownloadSpeed)
{
udp_server_max_speed_ = GetP2PControlTarget()->GetUdpServerSpeedInfo().NowDownloadSpeed;
}
}
++elapsed_seconds_since_started_;
if (bufferring_monitor_)
{
if (elapsed_seconds_since_started_ > 10 &&
GetRestPlayableTime() <= 1)
{
boost::uint32_t data_rate = GetDataRate();
if (data_rate > 0)
{
storage::LivePosition live_position = GetPlayingPosition();
boost::uint32_t bufferring_position_in_seconds = live_position.GetBlockId()*GetInstance()->GetLiveInterval() +
live_position.GetSubPieceIndex()*storage::HeaderSubPiece::Constants::SubPieceSizeInBytes/data_rate;
bufferring_monitor_->BufferringOccurs(bufferring_position_in_seconds);
}
}
}
if (max_upload_speed_during_this_connection_ < statistic::UploadStatisticModule::Inst()->GetUploadSpeed())
{
max_upload_speed_during_this_connection_ = statistic::UploadStatisticModule::Inst()->GetUploadSpeed();
}
total_upload_connection_count_ += statistic::UploadStatisticModule::Inst()->GetUploadCount();
if (statistic::UploadStatisticModule::Inst()->GetUploadCount() != 0)
{
++time_of_nonblank_upload_connections_;
}
rest_playable_times_.push_back(GetRestPlayableTime());
if (tick_count_since_last_recv_subpiece_.elapsed() > 180 * 1000 && !is_notify_restart_
&& ((GetHTTPControlTarget() && !GetHTTPControlTarget()->IsPausing()) ||
(GetP2PControlTarget() && !GetP2PControlTarget()->IsPausing())))
{
#ifdef PEER_PC_CLIENT
WindowsMessage::Inst().PostWindowsMessage(UM_LIVE_RESTART, NULL, NULL);
is_notify_restart_ = true;
max_push_data_interval_ = tick_count_since_last_recv_subpiece_.elapsed();
#endif
}
if (udpserver_count_ != UdpServerFromBSPool::Inst()->GetUdpServerCount())
{
udpserver_count_ = UdpServerFromBSPool::Inst()->GetUdpServerCount();
AddLiveUdpServerFromBS();
}
}
}
