void OnExternalDriveChange(string drive, string storagePath, DriveManager.DRIVE_CHANGE_EVENT dEvent)
{
PauseFlag.Pause = true;
try
{
switch (dEvent)
{
case DriveManager.DRIVE_CHANGE_EVENT.PAUSE:
PauseFlag.Pause = true;
Paths.Enabled = false;
break;
case DriveManager.DRIVE_CHANGE_EVENT.UNPAUSE:
PauseFlag.Pause = false;
Paths.Enabled = true;
break;
case DriveManager.DRIVE_CHANGE_EVENT.NEWDRIVE:
Paths.Drive = storagePath;
m_AppData.HealthStatistics[(int)APPLICATION_DATA.HEALTH_STATISTICS.System.System_Drive].StatString.SetValue = "Have drive " + Paths.Drive;
// start the accumulated file size at the intial value of the disk
bool driveReady=false;
string name=null;
double freeSpace=0.0;
double size=0.0;
m_DriveManager.GetDriveStatus (ref driveReady, ref name, ref freeSpace, ref size);
double initialUsedSpace = size - freeSpace;
Paths.AccumulatedSize = initialUsedSpace;
PauseFlag.DriveExists = true;
PauseFlag.OverridePause = true;
CreatePreMotionBufferDirectory();
PauseFlag.OverridePause = false;
PauseFlag.Pause = false;
m_Log.Log("Found new drive, unpausing DVR", ErrorLog.LOG_TYPE.INFORMATIONAL);
break;
case DriveManager.DRIVE_CHANGE_EVENT.LOST_PRIMARY_DRIVE:
PauseFlag.DriveExists = false;
PauseFlag.Pause = true;
Paths.Drive = null;
m_AppData.HealthStatistics[(int)APPLICATION_DATA.HEALTH_STATISTICS.System.System_Drive].StatString.SetValue = "No drive ";
m_Log.Log("DVR Lost primary drive", ErrorLog.LOG_TYPE.FATAL);
break;
case DriveManager.DRIVE_CHANGE_EVENT.TOO_MANY_DRIVES:
m_Log.Log("Too many external drives on start", ErrorLog.LOG_TYPE.FATAL);
// m_MessageBoxMessage = "Too many external drives on start. Please connect only one external drive and re-start the LPR Service.";
// RunMessageBoxDialog();
m_DVRReadyStatus = false;
break;
}
}
catch (Exception ex) { m_Log.Trace(ex, ErrorLog.LOG_TYPE.FATAL); }
}
// constructor
public DVR(APPLICATION_DATA appData)
{
try
{
m_AppData = appData;
m_AppData.AddOnClosing(Stop, APPLICATION_DATA.CLOSE_ORDER.MIDDLE);
m_Log = (ErrorLog)m_AppData.Logger;
PauseFlag = new PAUSE_FLAG();
PauseFlag.Pause = true;
FileAccessControl = new FILE_SYSTEM_ACCESS(PauseFlag, m_AppData);
try
{
Paths = new PATHS(m_AppData.ThisComputerName, true, m_AppData);
m_AppData.PathManager = (object)Paths;
}
catch (Exception ex) { m_Log.Trace(ex, ErrorLog.LOG_TYPE.FATAL); }
m_EventLogFile = new EventLogFiles.EventLogFiles(m_AppData);
// PRE MOTION BUFFER LENGHT
m_NumberOfFramesToPrePostBuffer = 30; // this many frames before and after moton event, if too small, files may be erased before motion is detected because of processing lag
////////
m_AppData.HealthStatistics[(int)APPLICATION_DATA.HEALTH_STATISTICS.DVR.DVR_DriveName].StatString.RegisterForUse(true);
m_AppData.HealthStatistics[(int)APPLICATION_DATA.HEALTH_STATISTICS.DVR.DVR_DriveReady].boolean.RegisterForUse(true);
m_AppData.HealthStatistics[(int)APPLICATION_DATA.HEALTH_STATISTICS.DVR.DVR_FreeSpace].SnapshotDouble.RegisterForUse(true);
m_AppData.HealthStatistics[(int)APPLICATION_DATA.HEALTH_STATISTICS.DVR.DVR_UsedSpace].SnapshotDouble.RegisterForUse(true);
m_AppData.HealthStatistics[(int)APPLICATION_DATA.HEALTH_STATISTICS.DVR.DVR_DriveHotSwap].StatString.RegisterForUse(true);
m_AppData.HealthStatistics[(int)APPLICATION_DATA.HEALTH_STATISTICS.System.System_Drive].StatString.SetValue = "No drive ";
m_FrameGenerator = (FrameGenerator)m_AppData.FrameGenerator;
m_DriveManager = new DriveManager(m_AppData, OnExternalDriveChange, Paths.StorageDir);
// alway use external storage
if ( m_AppData.RunninAsService)
{
int count = 0;
Paths.Drive = m_DriveManager.GetDrive(ref count);
PauseFlag.DriveExists = true;
if (count > 1)
{
PauseFlag.Pause = true;
m_Log.Log("Too many external drives on start", ErrorLog.LOG_TYPE.FATAL);
//m_MessageBoxMessage = "Too many external drives on start. Please connect only one external drive and re-start the LPR Service.";
//RunMessageBoxDialog();
}
else if (Paths.Drive == null)
{
PauseFlag.Pause = true;
m_Log.Log("External Drive not found", ErrorLog.LOG_TYPE.FATAL);
// m_MessageBoxMessage = "External drive not found. Please connect one external drive";
PauseFlag.DriveExists = false;
// RunMessageBoxDialog();
}
}
m_ConsumerID = m_FrameGenerator.GetNewConsumerID();
m_NewFrameQ = new ThreadSafeQueue<FRAME>(240, "QueueOverruns_DVR_NewFrameQ", m_AppData);
m_MotionDetectedQ = new ThreadSafeQueue<FRAME>(240, "QueueOverruns_DVR_MotionDetectedQ", m_AppData);
m_DirectyToStorageQ = new ThreadSafeQueue<FRAME>(240, "QueueOverruns_DVR_DirectyToStorageQ", m_AppData);
m_NewLPRRecordQ = new ThreadSafeQueue<FRAME>(m_LPRRecordQueLen, "QueueOverruns_DVR_NewLPRRecordQ", m_AppData);
m_TempFileList = new ThreadSafeList<TEMPFILES>(120);
m_NumSourceChannels = (m_AppData.RunninAsService) ? m_AppData.MAX_PHYSICAL_CHANNELS : m_AppData.MAX_VIRTUAL_CHANNELS;
m_PreMotionRecords = new PRE_MOTION_RECORDS[m_NumSourceChannels];
m_DVRLoopThread = new Thread(DVRLoop);
m_ReportDVRStats = new Thread(ReportDVRStatusLoop);
m_TempFileCleanUpThread = new Thread(TempFilesCleanUpLoop);
m_MaintainFileSystemSizeLimit = new Thread(MaintainFileSystemSizeLimitLoop);
}
catch (Exception ex) { m_Log.Trace(ex, ErrorLog.LOG_TYPE.FATAL); }
}
// constructor
public DVR(APPLICATION_DATA appData)
{
try
{
m_AppData = appData;
m_AppData.AddOnClosing(Stop, APPLICATION_DATA.CLOSE_ORDER.MIDDLE);
m_Log = (ErrorLog)m_AppData.Logger;
PauseFlag = new PAUSE_FLAG();
PauseFlag.Pause = true;
FileAccessControl = new FILE_SYSTEM_ACCESS(PauseFlag, m_AppData);
try
{
Paths = new PATHS(m_AppData.ThisComputerName, true, m_AppData);
m_AppData.PathManager = (object)Paths;
}
catch (Exception ex) { m_Log.Trace(ex, ErrorLog.LOG_TYPE.FATAL); }
m_EventLogFile = new EventLogFiles.EventLogFiles(m_AppData);
// PRE MOTION BUFFER LENGHT
m_NumberOfFramesToPrePostBuffer = 30; // this many frames before and after moton event, if too small, files may be erased before motion is detected because of processing lag
////////
m_AppData.HealthStatistics[(int)APPLICATION_DATA.HEALTH_STATISTICS.DVR.DVR_DriveName].StatString.RegisterForUse(true);
m_AppData.HealthStatistics[(int)APPLICATION_DATA.HEALTH_STATISTICS.DVR.DVR_DriveReady].boolean.RegisterForUse(true);
m_AppData.HealthStatistics[(int)APPLICATION_DATA.HEALTH_STATISTICS.DVR.DVR_FreeSpace].SnapshotDouble.RegisterForUse(true);
m_AppData.HealthStatistics[(int)APPLICATION_DATA.HEALTH_STATISTICS.DVR.DVR_UsedSpace].SnapshotDouble.RegisterForUse(true);
m_AppData.HealthStatistics[(int)APPLICATION_DATA.HEALTH_STATISTICS.DVR.DVR_DriveHotSwap].StatString.RegisterForUse(true);
m_AppData.HealthStatistics[(int)APPLICATION_DATA.HEALTH_STATISTICS.System.System_Drive].StatString.SetValue = "No drive ";
m_FrameGenerator = (FrameGenerator)m_AppData.FrameGenerator;
m_DriveManager = new DriveManager(m_AppData, OnExternalDriveChange, Paths.StorageDir);
// alway use external storage
if (m_AppData.RunninAsService)
{
int count = 0;
Paths.Drive = m_DriveManager.GetDrive(ref count);
PauseFlag.DriveExists = true;
if (count > 1)
{
PauseFlag.Pause = true;
m_Log.Log("Too many external drives on start", ErrorLog.LOG_TYPE.FATAL);
//m_MessageBoxMessage = "Too many external drives on start. Please connect only one external drive and re-start the LPR Service.";
//RunMessageBoxDialog();
}
else if (Paths.Drive == null)
{
PauseFlag.Pause = true;
m_Log.Log("External Drive not found", ErrorLog.LOG_TYPE.FATAL);
// m_MessageBoxMessage = "External drive not found. Please connect one external drive";
PauseFlag.DriveExists = false;
// RunMessageBoxDialog();
}
}
m_ConsumerID = m_FrameGenerator.GetNewConsumerID();
m_NewFrameQ = new ThreadSafeQueue <FRAME>(240, "QueueOverruns_DVR_NewFrameQ", m_AppData);
m_MotionDetectedQ = new ThreadSafeQueue <FRAME>(240, "QueueOverruns_DVR_MotionDetectedQ", m_AppData);
m_DirectyToStorageQ = new ThreadSafeQueue <FRAME>(240, "QueueOverruns_DVR_DirectyToStorageQ", m_AppData);
m_NewLPRRecordQ = new ThreadSafeQueue <FRAME>(m_LPRRecordQueLen, "QueueOverruns_DVR_NewLPRRecordQ", m_AppData);
m_TempFileList = new ThreadSafeList <TEMPFILES>(120);
m_NumSourceChannels = (m_AppData.RunninAsService) ? m_AppData.MAX_PHYSICAL_CHANNELS : m_AppData.MAX_VIRTUAL_CHANNELS;
m_PreMotionRecords = new PRE_MOTION_RECORDS[m_NumSourceChannels];
m_DVRLoopThread = new Thread(DVRLoop);
m_ReportDVRStats = new Thread(ReportDVRStatusLoop);
m_TempFileCleanUpThread = new Thread(TempFilesCleanUpLoop);
m_MaintainFileSystemSizeLimit = new Thread(MaintainFileSystemSizeLimitLoop);
}
catch (Exception ex) { m_Log.Trace(ex, ErrorLog.LOG_TYPE.FATAL); }
}