protected override void OnStart(string[] args)
{
// Check the folder paths
// The method will log an error and return null if the folder is missing or has the wrong permissions
if (this.CommonErrorsFolder == null)
{
return;
}
if (this.CommonInputFolder == null)
{
return;
}
if (this.CommonOutputFolder == null)
{
return;
}
if (this.SourceErrorsFolder == null)
{
return;
}
if (this.SourceInputFolder == null)
{
return;
}
if (this.SourceOutputFolder == null)
{
return;
}
// Read the values from the app.config file
string interfaceID = "";
try
{
interfaceID = System.Configuration.ConfigurationManager.AppSettings["InterfaceID"];
}
catch (Exception ex)
{
Log(EventLogEntryType.Error, "Unable to read the \"InterfaceID\" value the configuration file." + Environment.NewLine + ex.ToString());
return;
}
try
{
packetsPerCapture = Convert.ToInt32(System.Configuration.ConfigurationManager.AppSettings["PacketPerCapture"]);
}
catch
{
Log(EventLogEntryType.Error, "Unable to read the \"PacketPerCapture\" value from the configuration file.");
return;
}
try
{
captureThreadCount = Convert.ToInt32(System.Configuration.ConfigurationManager.AppSettings["CaptureThreadCount"]);
}
catch
{
captureThreadCount = 0; // Default to not capturing packets.
Log(EventLogEntryType.Error, "Unable to read the \"CaptureThreadCount\" value from the configuration file. Defaulting to {0}.", captureThreadCount.ToString());
}
try
{
statisticsThreadCount = Convert.ToInt32(System.Configuration.ConfigurationManager.AppSettings["StatisticsThreadCount"]);
}
catch
{
statisticsThreadCount = Environment.ProcessorCount; // Default to one thread per processor core.
Log(EventLogEntryType.Error, "Unable to the read \"StatisticsThreadCount\" value from the configuration file. Defaulting to {0}.", statisticsThreadCount.ToString());
}
// Get the list of interfaces from the comma separated value in the config file, and ensure the threads do not exceed the interfaces.
string[] interfaces = interfaceID.Split(',');
if (captureThreadCount > interfaces.Length)
{
captureThreadCount = interfaces.Length;
}
Log("The service is ready to capture network packets." + Environment.NewLine +
"Version: " + this.ServiceVersion + Environment.NewLine +
"MachineName: " + this.MachineName + Environment.NewLine +
"CaptureToFolder: " + this.SourceInputFolder.FullName + Environment.NewLine +
"InterfaceID: " + interfaceID);
// Start the capture thread(s)
caps = new PacketCapture[captureThreadCount];
for (int i = 0; i < captureThreadCount; i++)
{
caps[i] = new PacketCapture(this, interfaces[i], packetsPerCapture);
caps[i].RequestStart();
}
// Start the statistics thread(s)
stats = new PacketStatistics[statisticsThreadCount];
for (int i = 0; i < statisticsThreadCount; i++)
{
stats[i] = new PacketStatistics(this);
stats[i].RequestStart();
System.Threading.Thread.Sleep(1000);
}
}
protected override void OnStart(string[] args)
{
// Check the folder paths
// The method will log an error and return null if the folder is missing or has the wrong permissions
if (this.CommonErrorsFolder == null) { return; }
if (this.CommonInputFolder == null) { return; }
if (this.CommonOutputFolder == null) { return; }
if (this.SourceErrorsFolder == null) { return; }
if (this.SourceInputFolder == null) { return; }
if (this.SourceOutputFolder == null) { return; }
// Read the values from the app.config file
string interfaceID = "";
try
{
interfaceID = System.Configuration.ConfigurationManager.AppSettings["InterfaceID"];
}
catch (Exception ex)
{
Log(EventLogEntryType.Error, "Unable to read the \"InterfaceID\" value the configuration file." + Environment.NewLine + ex.ToString());
return;
}
try
{
packetsPerCapture = Convert.ToInt32(System.Configuration.ConfigurationManager.AppSettings["PacketPerCapture"]);
}
catch
{
Log(EventLogEntryType.Error, "Unable to read the \"PacketPerCapture\" value from the configuration file.");
return;
}
try
{
captureThreadCount = Convert.ToInt32(System.Configuration.ConfigurationManager.AppSettings["CaptureThreadCount"]);
}
catch
{
captureThreadCount = 0; // Default to not capturing packets.
Log(EventLogEntryType.Error, "Unable to read the \"CaptureThreadCount\" value from the configuration file. Defaulting to {0}.", captureThreadCount.ToString());
}
try
{
statisticsThreadCount = Convert.ToInt32(System.Configuration.ConfigurationManager.AppSettings["StatisticsThreadCount"]);
}
catch
{
statisticsThreadCount = Environment.ProcessorCount; // Default to one thread per processor core.
Log(EventLogEntryType.Error, "Unable to the read \"StatisticsThreadCount\" value from the configuration file. Defaulting to {0}.", statisticsThreadCount.ToString());
}
// Get the list of interfaces from the comma separated value in the config file, and ensure the threads do not exceed the interfaces.
string[] interfaces = interfaceID.Split(',');
if (captureThreadCount > interfaces.Length) { captureThreadCount = interfaces.Length; }
Log("The service is ready to capture network packets." + Environment.NewLine +
"Version: " + this.ServiceVersion + Environment.NewLine +
"MachineName: " + this.MachineName + Environment.NewLine +
"CaptureToFolder: " + this.SourceInputFolder.FullName + Environment.NewLine +
"InterfaceID: " + interfaceID);
// Start the capture thread(s)
caps = new PacketCapture[captureThreadCount];
for (int i = 0; i < captureThreadCount; i++)
{
caps[i] = new PacketCapture(this, interfaces[i], packetsPerCapture);
caps[i].RequestStart();
}
// Start the statistics thread(s)
stats = new PacketStatistics[statisticsThreadCount];
for (int i = 0; i < statisticsThreadCount; i++)
{
stats[i] = new PacketStatistics(this);
stats[i].RequestStart();
System.Threading.Thread.Sleep(1000);
}
}