/// <summary>The work to be done on the thread.</summary>
/// <remarks>Handles the thread abort exception if it is aborted!</remarks>
public void doWork()
{
try
{
_isDone = false; // Simply informs of processing state, not status.
while (true)
{
//try
//{
_Result = 0; // This is the state of the processing.
Cycle();
Thread.Sleep(1000);
_Result = 1; // This is the state of the processing.
//}
//catch (Exception e)
//{
// messages += "Thread Exception: " + e.Message + " for " + host + "\n";
//}
}
}
// Catch this if the parent calls thread.abort()
// So we handle a cancel gracefully.
catch (ThreadAbortException e)
{
// We have handled the exception and will simply return without data.
// Otherwise the abort will be rethrown out of this block.
string msg = "ThreadAbortException: " + e.Message + " for " + host + "\n";
messages += msg;
AgentSHDR.LogMessage(msg, 0);
Thread.ResetAbort();
_Result = -1; // This is the state of the processing.
}
finally
{
_isDone = true; // Simply informs of processing state, not status.
}
}
public void Cycle()
{
ShdrObj shdrobj = this;
String device = this.device;
String line = null;
// shdrobj.messages = "";
// this a reference
try
{
if (shdrobj.attempts > 0)
{
shdrobj.attempts--;
Thread.Sleep(100);
return;
}
if (shdrobj.ipep == null)
{
shdrobj.ipep = new IPEndPoint(shdrobj.addr, shdrobj.port);
}
if (shdrobj.server == null)
{
shdrobj.attempts = 30;
shdrobj.server = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
//shdrobj.server.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.ReceiveTimeout, 1000);
shdrobj.server.Connect(shdrobj.ipep);
shdrobj.attempts = 0;
}
if (shdrobj.ns == null)
{
shdrobj.ns = new NetworkStream(shdrobj.server);
}
if (shdrobj.sr == null)
{
shdrobj.sr = new StreamReader(shdrobj.ns);
}
if (shdrobj.sw == null)
{
shdrobj.sw = new StreamWriter(shdrobj.ns);
}
//The default value, System.Threading.Timeout.Infinite, specifies that the read operation does not time out
shdrobj.ns.ReadTimeout = ReadTimeout; // System.Threading.Timeout.Infinite=-1
shdrobj.running = 1;
if (!shdrobj.server.Connected)
{
shdrobj.messages += "Server disconnected: for " + shdrobj.host + "\n";
throw new Exception("Server disconnected");
}
// Manually turn Power
//String nowtimestamp = System.DateTime.Now.ToString("yyyy-MM-ddTHH:mm:ss.fffffff", System.Globalization.CultureInfo.InvariantCulture);
String nowtimestamp = System.DateTime.UtcNow.ToString("yyyy-MM-ddTHH:mm:ss.fffffff", System.Globalization.CultureInfo.InvariantCulture);
agent.Data().StoreEvent(nowtimestamp, shdrobj.device, "power", "ON", "", "", null, null, null, null);
while (true)
{
AgentSHDR.LogMessage("Enter Readline" + shdrobj.host + "\n", 3);
line = shdrobj.sr.ReadLine();
AgentSHDR.LogMessage("Exit Readline" + shdrobj.host + "\n", 3);
nowtimestamp = System.DateTime.UtcNow.ToString("yyyy-MM-ddTHH:mm:ss.fffffff", System.Globalization.CultureInfo.InvariantCulture);
if (line == null)
{
throw new Exception(shdrobj.host + ": Readline failed\n");
}
String[] values = line.Split('|');
String timestamp = values[0];
String item = values[1];
// update heartbeat to confirm socket not zombie
agent.Data().StoreEvent(nowtimestamp, shdrobj.device, "heartbeat", nowtimestamp, "", "", null, null, null, null);
// Check if this is an Alarm. Alarms must be on one line.
if (agent.Data().isAlarm(item, device) && values.Length >= 7)
{
String code = values[2];
String nativeCode = values[3];
String severity = values[4];
String state = values[5];
String text = values[6];
//short StoreEvent(String timestamp, String deviceName, String name, String value, String partId, String workPieceId, String alarm_code, String alarm_severity, String alarm_nativecode, String alarm_state);
agent.Data().StoreEvent(timestamp, device, item, text, "", "", code, severity, nativeCode, state);
}
else
{
String value;
for (int i = 1; i < values.Length; i += 2)
{
item = values[i];
value = values[i + 1];
try
{
if (agent.Data().isEvent(item, device))
{
agent.Data().StoreEvent(timestamp, device, item, value, "", "", null, null, null, null);
}
else
{
//if (item == "spindle_speed")
//{
// sw.WriteLine("\n================================================================================");
// agent.Data().getCurrentDevice(null, "//Axes//DataItem[@type=\"SPINDLE_SPEED\"and@subType=\"ACTUAL\"]", rpmsw);
// sw.WriteLine("\n-----------------------------------------------");
// agent.Data().getStreamDevice(null,
// "//Axes//DataItem[@type=\"SPINDLE_SPEED\"and@subType=\"ACTUAL\"]",
// "0", "100", rpmsw);
// rpmsw.Flush();
// //System.Diagnostics.Debugger.Break();
//}
agent.Data().StoreSample(timestamp, device, item, value, "", "");
}
}
catch (AgentException e)
{
string msg = item + "|" + value + " is ignored. " + e.Message + "\n";
AgentSHDR.LogMessage(msg, 1);
shdrobj.messages += msg;
}
}
//short StoreEvent(String timestamp, String deviceName, String name, String value, String partId, String workPieceId, String alarm_code, String alarm_severity, String alarm_nativecode, String alarm_state);
}
// We need other threads to run
Thread.Sleep(50);
}
return;
}
catch (TimeoutException e)
{
string msg = "TimeoutException: " + e.Message + " for " + shdrobj.host + "\n";
shdrobj.messages += msg;
AgentSHDR.LogMessage(msg, -1);
return;
}
catch (ThreadAbortException e)
{
string msg = "ThreadAbortException: " + e.Message + " for " + shdrobj.host + "\n";
shdrobj.messages += msg;
AgentSHDR.LogMessage(msg, -1);
throw e;
}
catch (SocketException e)
{
string msg = "SocketException: " + e.Message + " for " + shdrobj.host + "\n";
shdrobj.messages += msg;
AgentSHDR.LogMessage(msg, 1);
}
catch (IOException e)
{
string msg = "IOException: " + e.Message + " for " + shdrobj.host + "\n";
shdrobj.messages += msg;
AgentSHDR.LogMessage(msg, 1);
}
catch (Exception e)
{
string msg = "Exception: " + e.Message + " for " + shdrobj.host + "\n";
shdrobj.messages += msg;
AgentSHDR.LogMessage(msg, 1);
}
/////////// agent stopped or exception incurred
try
{
if (shdrobj.server != null && shdrobj.server.Connected)
{
shdrobj.server.Shutdown(SocketShutdown.Both);
}
if (shdrobj.server != null)
{
shdrobj.server.Close();
}
if (shdrobj.server.Connected)
{
AgentSHDR.LogMessage("Winsock shutdown close error: " + Convert.ToString(System.Runtime.InteropServices.Marshal.GetLastWin32Error()), 1);
}
shdrobj.server = null;
if (shdrobj.sr != null)
{
shdrobj.sr.Close();
}
if (shdrobj.sw != null)
{
shdrobj.sw.Close();
}
if (shdrobj.ns != null)
{
shdrobj.ns.Close();
}
shdrobj.sr = null;
shdrobj.sw = null;
shdrobj.ns = null;
shdrobj.running = 0;
string timestamp = System.DateTime.UtcNow.ToString("yyyy-MM-ddTHH:mm:ss.fffffff", System.Globalization.CultureInfo.InvariantCulture);
agent.Data().ClearDataBuffer(shdrobj.device);
agent.Data().StoreEvent(timestamp, shdrobj.device, "power", "OFF", "", "", null, null, null, null);
}
catch (Exception e)
{
string msg = "Exception: " + e.Message + " exception while resetting MTC Agent" + shdrobj.host + "SHDR socket connection\n";
shdrobj.messages += msg;
AgentSHDR.LogMessage(msg, 1);
}
}