/// <summary>
/// Creates a new <see cref="DataGapRecoverer"/>.
/// </summary>
public DataGapRecoverer()
{
m_dataGapRecoveryCompleted = new ManualResetEventSlim(true);
m_recoveryStartDelay = DefaultRecoveryStartDelay;
m_minimumRecoverySpan = DefaultMinimumRecoverySpan;
m_maximumRecoverySpan = DefaultMaximumRecoverySpan;
string loggingPath = FilePath.GetDirectoryName(FilePath.GetAbsolutePath(DataSubscriber.DefaultLoggingPath));
if (Directory.Exists(loggingPath))
{
m_loggingPath = loggingPath;
}
m_subscriptionInfo = new UnsynchronizedSubscriptionInfo(false);
m_subscriptionInfo.FilterExpression = DefaultFilterExpression;
m_subscriptionInfo.ProcessingInterval = DefaultRecoveryProcessingInterval;
m_subscriptionInfo.UseMillisecondResolution = DefaultUseMillisecondResolution;
m_dataStreamMonitor = new Timer();
m_dataStreamMonitor.Elapsed += DataStreamMonitor_Elapsed;
m_dataStreamMonitor.Interval = DefaultDataMonitoringInterval * 1000.0D;
m_dataStreamMonitor.AutoReset = true;
m_dataStreamMonitor.Enabled = false;
}
/// <summary>
/// Creates a new <see cref="DataGapRecoverer"/>.
/// </summary>
public DataGapRecoverer()
{
Log = Logger.CreatePublisher(GetType(), MessageClass.Framework);
Log.InitialStackMessages = Log.InitialStackMessages.Union("ComponentName", GetType().Name);
m_dataGapRecoveryCompleted = new ManualResetEventSlim(true);
m_recoveryStartDelay = DefaultRecoveryStartDelay;
m_minimumRecoverySpan = DefaultMinimumRecoverySpan;
m_maximumRecoverySpan = DefaultMaximumRecoverySpan;
string loggingPath = FilePath.GetDirectoryName(FilePath.GetAbsolutePath(DataSubscriber.DefaultLoggingPath));
if (Directory.Exists(loggingPath))
{
m_loggingPath = loggingPath;
}
m_subscriptionInfo = new UnsynchronizedSubscriptionInfo(false);
m_subscriptionInfo.FilterExpression = DefaultFilterExpression;
m_subscriptionInfo.ProcessingInterval = DefaultRecoveryProcessingInterval;
m_subscriptionInfo.UseMillisecondResolution = DefaultUseMillisecondResolution;
m_dataStreamMonitor = Common.TimerScheduler.CreateTimer((int)(DefaultDataMonitoringInterval * 1000.0D));
m_dataStreamMonitor.Elapsed += DataStreamMonitor_Elapsed;
m_dataStreamMonitor.AutoReset = true;
m_dataStreamMonitor.Enabled = false;
}
/// <summary>
/// Creates a new <see cref="DataSubscriptionHubClient"/> instance.
/// </summary>
public DataSubscriptionHubClient()
{
m_statisticSubscriptionInfo = new UnsynchronizedSubscriptionInfo(false);
m_dataSubscriptionInfo = new UnsynchronizedSubscriptionInfo(false);
m_measurements = new List<MeasurementValue>();
m_statistics = new List<MeasurementValue>();
m_statusLights = new List<StatusLight>();
m_deviceDetails = new List<DeviceDetail>();
m_measurementDetails = new List<MeasurementDetail>();
m_phasorDetails = new List<PhasorDetail>();
m_schemaVersion = new List<SchemaVersion>();
m_measurementLock = new object();
}
/// <summary>
/// Creates a new <see cref="DataSubscriptionHubClient"/> instance.
/// </summary>
public DataSubscriptionHubClient()
{
m_statisticSubscriptionInfo = new UnsynchronizedSubscriptionInfo(false);
m_dataSubscriptionInfo = new UnsynchronizedSubscriptionInfo(false);
m_measurements = new List<MeasurementValue>();
m_statistics = new List<MeasurementValue>();
m_statusLights = new List<StatusLight>();
m_deviceDetails = new List<DeviceDetail>();
m_measurementDetails = new List<MeasurementDetail>();
m_phasorDetails = new List<PhasorDetail>();
m_schemaVersion = new List<SchemaVersion>();
m_measurementLock = new object();
using(AdoDataConnection conn = new AdoDataConnection("securityProvider"))
{
int index = conn.ExecuteScalar<int>("Select ID FROM ValueListGroup WHERE Name = 'ModbusSubscriptions'");
m_connectionString = conn.ExecuteScalar<string>("Select Text FROM ValueList WHERE GroupID = {0} AND IsDefault = 1", index);
}
}
/// <summary>
/// Creates a new <see cref="DataGapRecoverer"/>.
/// </summary>
public DataGapRecoverer()
{
m_dataGapRecoveryCompleted = new ManualResetEventSlim(false);
m_recoveryStartDelay = DefaultRecoveryStartDelay;
m_minimumRecoverySpan = DefaultMinimumRecoverySpan;
m_maximumRecoverySpan = DefaultMaximumRecoverySpan;
m_subscriptionInfo = new UnsynchronizedSubscriptionInfo(false);
m_subscriptionInfo.FilterExpression = DefaultFilterExpression;
m_subscriptionInfo.ProcessingInterval = DefaultRecoveryProcessingInterval;
m_subscriptionInfo.UseMillisecondResolution = DefaultUseMillisecondResolution;
m_dataStreamMonitor = new Timer();
m_dataStreamMonitor.Elapsed += DataStreamMonitor_Elapsed;
m_dataStreamMonitor.Interval = DefaultDataMonitoringInterval * 1000.0D;
m_dataStreamMonitor.AutoReset = true;
m_dataStreamMonitor.Enabled = false;
}
/// <summary>
/// Opens the stream and starts playback.
/// </summary>
/// <param name="songName">The name of the song to be played.</param>
public void Play(string songName)
{
if (m_dataSubscriber != null && m_metadata != null)
{
UnsynchronizedSubscriptionInfo info;
StringBuilder filterExpression = new StringBuilder();
DataTable deviceTable = m_metadata.Tables["DeviceDetail"];
DataTable measurementTable = m_metadata.Tables["MeasurementDetail"];
Dictionary<string, string> uriSettings;
string dataChannel = null;
int uriIndex = ConnectionUri.IndexOf(URI_SEPARATOR);
m_channelIndexes = new ConcurrentDictionary<Guid, int>();
m_sampleRate = DEFAULT_SAMPLE_RATE;
m_numChannels = DEFAULT_NUM_CHANNELS;
// Get sample rate from metadata.
if (deviceTable != null)
{
string sampleRate = deviceTable.Rows.Cast<DataRow>()
.Single(row => row["Acronym"].ToNonNullString() == songName)["FramesPerSecond"].ToNonNullString();
if (!string.IsNullOrEmpty(sampleRate))
m_sampleRate = int.Parse(sampleRate);
}
// Get measurements from metadata.
if (measurementTable != null)
{
IEnumerable<DataRow> measurementRows = measurementTable.Rows.Cast<DataRow>()
.Where(row => row["DeviceAcronym"].ToNonNullString() == songName)
.Where(row => row["SignalAcronym"].ToNonNullString() == "ALOG" || row["SignalAcronym"].ToNonNullString() == "VPHM")
.Where(row => row["Enabled"].ToNonNullString().ParseBoolean())
.OrderBy(row => row["ID"].ToNonNullString());
m_numChannels = 0;
foreach (DataRow row in measurementRows)
{
Guid measurementID = Guid.Parse(row["SignalID"].ToNonNullString());
if (m_numChannels > 0)
filterExpression.Append(';');
filterExpression.Append(measurementID);
m_channelIndexes[measurementID] = m_numChannels;
m_numChannels++;
}
}
// Create UDP data channel if specified.
if (uriIndex >= 0)
{
uriSettings = ConnectionUri.Substring(uriIndex + URI_SEPARATOR.Length).ParseKeyValuePairs('&');
if (uriSettings.ContainsKey("udp"))
dataChannel = string.Format("dataChannel={{port={0}; interface={1}}}", uriSettings["udp"], IPv6Enabled ? "::0" : "0.0.0.0");
}
m_buffer = new ConcurrentQueue<IMeasurement>();
m_dumpTimer = CreateDumpTimer();
m_statTimer = CreateStatTimer();
m_waveProvider = new BufferedWaveProvider(new WaveFormat(m_sampleRate < MINIMUM_SAMPLE_RATE ? MINIMUM_SAMPLE_RATE : m_sampleRate, m_numChannels));
m_wavePlayer = CreateWavePlayer(m_waveProvider);
m_waveProvider.DiscardOnBufferOverflow = true;
info = new UnsynchronizedSubscriptionInfo(false)
{
FilterExpression = filterExpression.ToString(),
ExtraConnectionStringParameters = dataChannel
};
m_statTimer.Start();
m_wavePlayer.Play();
m_dataSubscriber.UnsynchronizedSubscribe(info);
m_timeoutTimer.Start();
OnStateChanged(PlaybackState.Buffering);
}
}
/// <summary>
/// Creates a new <see cref="DataGapRecoverer"/>.
/// </summary>
public DataGapRecoverer()
{
m_dataGapRecoveryCompleted = new ManualResetEventSlim(false);
m_recoveryStartDelay = DefaultRecoveryStartDelay;
m_minimumRecoverySpan = DefaultMinimumRecoverySpan;
m_maximumRecoverySpan = DefaultMaximumRecoverySpan;
string loggingPath = FilePath.GetDirectoryName(FilePath.GetAbsolutePath(DataSubscriber.DefaultLoggingPath));
if (Directory.Exists(loggingPath))
m_loggingPath = loggingPath;
m_subscriptionInfo = new UnsynchronizedSubscriptionInfo(false);
m_subscriptionInfo.FilterExpression = DefaultFilterExpression;
m_subscriptionInfo.ProcessingInterval = DefaultRecoveryProcessingInterval;
m_subscriptionInfo.UseMillisecondResolution = DefaultUseMillisecondResolution;
m_dataStreamMonitor = new Timer();
m_dataStreamMonitor.Elapsed += DataStreamMonitor_Elapsed;
m_dataStreamMonitor.Interval = DefaultDataMonitoringInterval * 1000.0D;
m_dataStreamMonitor.AutoReset = true;
m_dataStreamMonitor.Enabled = false;
}
/// <summary>
/// Subscribes (or re-subscribes) to a data publisher for an unsynchronized set of data points.
/// </summary>
/// <param name="info">Configuration object that defines the subscription.</param>
/// <returns><c>true</c> if subscribe transmission was successful; otherwise <c>false</c>.</returns>
public bool UnsynchronizedSubscribe(UnsynchronizedSubscriptionInfo info)
{
// Dispose of any previously established local concentrator
DisposeLocalConcentrator();
StringBuilder connectionString = new StringBuilder();
AssemblyInfo assemblyInfo = AssemblyInfo.ExecutingAssembly;
connectionString.AppendFormat("trackLatestMeasurements={0};", info.Throttled);
connectionString.AppendFormat("publishInterval={0};", info.PublishInterval);
connectionString.AppendFormat("includeTime={0};", info.IncludeTime);
connectionString.AppendFormat("lagTime={0};", info.LagTime);
connectionString.AppendFormat("leadTime={0};", info.LeadTime);
connectionString.AppendFormat("useLocalClockAsRealTime={0};", info.UseLocalClockAsRealTime);
connectionString.AppendFormat("processingInterval={0};", info.ProcessingInterval);
connectionString.AppendFormat("useMillisecondResolution={0};", info.UseMillisecondResolution);
connectionString.AppendFormat("requestNaNValueFilter={0};", info.RequestNaNValueFilter);
connectionString.AppendFormat("assemblyInfo={{source={0};version={1}.{2}.{3};buildDate={4}}};", assemblyInfo.Name, assemblyInfo.Version.Major, assemblyInfo.Version.Minor, assemblyInfo.Version.Build, assemblyInfo.BuildDate.ToString("yyyy-MM-dd HH:mm:ss"));
if (!string.IsNullOrWhiteSpace(info.FilterExpression))
connectionString.AppendFormat("inputMeasurementKeys={{{0}}};", info.FilterExpression);
if (info.UdpDataChannel)
connectionString.AppendFormat("dataChannel={{localport={0}}};", info.DataChannelLocalPort);
if (!string.IsNullOrWhiteSpace(info.StartTime))
connectionString.AppendFormat("startTimeConstraint={0};", info.StartTime);
if (!string.IsNullOrWhiteSpace(info.StopTime))
connectionString.AppendFormat("stopTimeConstraint={0};", info.StopTime);
if (!string.IsNullOrWhiteSpace(info.ConstraintParameters))
connectionString.AppendFormat("timeConstraintParameters={0};", info.ConstraintParameters);
if (!string.IsNullOrWhiteSpace(info.ExtraConnectionStringParameters))
connectionString.AppendFormat("{0};", info.ExtraConnectionStringParameters);
// Make sure not to monitor for data loss any faster than down-sample time on throttled connections - additionally
// you will want to make sure data stream monitor is twice lag-time to allow time for initial points to arrive.
if (info.Throttled && (object)m_dataStreamMonitor != null && m_dataStreamMonitor.Interval / 1000.0D < info.LagTime)
m_dataStreamMonitor.Interval = 2.0D * info.LagTime * 1000.0D;
// Set millisecond resolution member variable for compact measurement parsing
m_useMillisecondResolution = info.UseMillisecondResolution;
return Subscribe(false, info.UseCompactMeasurementFormat, connectionString.ToString());
}
// Subscribes or resubscribes to real-time or historical stream using current filter expression
private void InitiateSubscription(bool historical)
{
if (m_subscribed || m_historicalSubscription)
{
m_subscriber.Unsubscribe();
ClearSubscription();
}
m_historicalSubscription = historical;
UnsynchronizedSubscriptionInfo subscriptionInfo;
subscriptionInfo = new UnsynchronizedSubscriptionInfo(false);
subscriptionInfo.FilterExpression = m_filterExpression;
if (historical)
{
subscriptionInfo.StartTime = m_startTime;
subscriptionInfo.StopTime = m_stopTime;
subscriptionInfo.ProcessingInterval = m_processInterval;
UpdateStatus("*** Starting historical replay at {0} playback speed ***", m_processInterval == 0 ? "fast as possible" : m_processInterval + "ms");
}
// Attempt to extract possible data channel setting from connection string.
// For example, adding "; dataChannel={port=9191}" to the connection string
// would request that the data publisher send data to the subscriber over
// UDP on port 9191. Technically this is part of the subscription info but
// we allow this definition in the connection string for this application.
string dataChannel = null;
if (!string.IsNullOrEmpty(m_connectionString))
{
Dictionary<string, string> settings = m_connectionString.ParseKeyValuePairs();
settings.TryGetValue("dataChannel", out dataChannel);
}
if ((object)dataChannel != null)
subscriptionInfo.ExtraConnectionStringParameters = "dataChannel={" + dataChannel + "}";
m_subscriber.UnsynchronizedSubscribe(subscriptionInfo);
}
/// <summary>
/// Creates a new instance of the <see cref="AlarmMonitor"/> class.
/// </summary>
/// <param name="singleton">Indicates whether this instance should update the global reference to become the singleton.</param>
public AlarmMonitor(bool singleton = false)
{
object refreshInterval = IsolatedStorageManager.ReadFromIsolatedStorage("AlarmStatusRefreshInterval") ?? DefaultRefreshInterval;
if (!int.TryParse(refreshInterval.ToString(), out m_refreshInterval))
m_refreshInterval = DefaultRefreshInterval;
m_currentAlarmsLock = new object();
m_currentAlarms = new HashSet<Alarm>();
m_refreshTimer = new Timer(m_refreshInterval * 1000);
m_refreshTimer.Elapsed += RefreshTimer_Elapsed;
m_alarmStatusQuery = new AlarmStatusQuery();
m_alarmStatusQuery.RaisedAlarmStates += m_alarmStatusQuery_RaisedAlarmStates;
m_alarmStatusQuery.ProcessException += m_alarmStatusQuery_ProcessException;
// Load all alarms defined in the database
UpdateDefinedAlarms();
// Setup subscription to subscribe to all alarm measurements
m_subscriptionInfo = new UnsynchronizedSubscriptionInfo(false)
{
FilterExpression = "FILTER ActiveMeasurements WHERE SignalType='ALRM'"
};
m_dataSubscriber = new DataSubscriber();
m_dataSubscriber.ConnectionEstablished += m_dataSubscriber_ConnectionEstablished;
m_dataSubscriber.ReceivedServerResponse += m_dataSubscriber_ReceivedServerResponse;
m_dataSubscriber.NewMeasurements += m_dataSubscriber_NewMeasurements;
m_dataSubscriber.ProcessException += m_dataSubscriber_ProcessException;
m_dataSubscriber.ConnectionString = GetDataPublisherConnectionString();
m_dataSubscriber.OperationalModes |= OperationalModes.UseCommonSerializationFormat | OperationalModes.CompressSignalIndexCache | OperationalModes.CompressPayloadData;
m_dataSubscriber.DataLossInterval = -1;
m_dataSubscriber.Initialize();
if (singleton)
Default = this;
}
/// <summary>
/// Creates a new <see cref="DataGapRecoverer"/>.
/// </summary>
public DataGapRecoverer()
{
Log = Logger.CreatePublisher(GetType(), MessageClass.Framework);
Log.InitialStackMessages = Log.InitialStackMessages.Union("ComponentName", GetType().Name);
m_dataGapRecoveryCompleted = new ManualResetEventSlim(true);
m_recoveryStartDelay = DefaultRecoveryStartDelay;
m_minimumRecoverySpan = DefaultMinimumRecoverySpan;
m_maximumRecoverySpan = DefaultMaximumRecoverySpan;
string loggingPath = FilePath.GetDirectoryName(FilePath.GetAbsolutePath(DataSubscriber.DefaultLoggingPath));
if (Directory.Exists(loggingPath))
m_loggingPath = loggingPath;
m_subscriptionInfo = new UnsynchronizedSubscriptionInfo(false);
m_subscriptionInfo.FilterExpression = DefaultFilterExpression;
m_subscriptionInfo.ProcessingInterval = DefaultRecoveryProcessingInterval;
m_subscriptionInfo.UseMillisecondResolution = DefaultUseMillisecondResolution;
m_dataStreamMonitor = Common.TimerScheduler.CreateTimer((int)(DefaultDataMonitoringInterval * 1000.0D));
m_dataStreamMonitor.Elapsed += DataStreamMonitor_Elapsed;
m_dataStreamMonitor.AutoReset = true;
m_dataStreamMonitor.Enabled = false;
}
