public static void DisplayProperties(TraceSource ts)
{
Console.WriteLine("TraceSource name = " + ts.Name);
Console.WriteLine("TraceSource switch level = " + ts.Switch.Level);
Console.WriteLine("TraceSource switch = " + ts.Switch.DisplayName);
SwitchAttribute[] switches = SwitchAttribute.GetAll(Assembly.GetExecutingAssembly());
for (int i = 0; i < switches.Length; i++)
{
Console.WriteLine("Switch name = " + switches[i].SwitchName);
Console.WriteLine("Switch Type = " + switches[i].SwitchType);
}
// Get the custom attributes for the TraceSource.
Console.WriteLine("Number of custom trace source attributes = "
+ ts.Attributes.Count);
foreach (DictionaryEntry de in ts.Attributes)
{
Console.WriteLine("Custom trace source attribute = "
+ de.Key + " " + de.Value);
}
// Get the custom attributes for the trace source switch.
foreach (DictionaryEntry de in ts.Switch.Attributes)
{
Console.WriteLine("Custom switch attribute = "
+ de.Key + " " + de.Value);
}
Console.WriteLine("Number of listeners = " + ts.Listeners.Count);
foreach (TraceListener traceListener in ts.Listeners)
{
Console.Write("TraceListener: " + traceListener.Name + "\t");
// The following output can be used to update the configuration file.
Console.WriteLine("AssemblyQualifiedName = " +
(traceListener.GetType().AssemblyQualifiedName));
}
}
//</Snippet2>
static void Main()
{
try
{
// Initialize trace switches.
//<Snippet3>
#if (!ConfigFile)
TraceSwitch traceSwitch = new TraceSwitch("TraceSwitch", "Verbose");
#endif
//</Snippet3>
//<Snippet4>
Console.WriteLine(traceSwitch.Level);
//</Snippet4>
//<Snippet5>
#if (!ConfigFile)
BooleanSwitch boolSwitch = new BooleanSwitch("BoolSwitch", "True");
#endif
//</Snippet5>
//<Snippet6>
Console.WriteLine(boolSwitch.Enabled);
//</Snippet6>
//<Snippet7>
#if (!ConfigFile)
SourceSwitch sourceSwitch = new SourceSwitch("SourceSwitch", "Verbose");
#endif
//</Snippet7>
//<Snippet8>
Console.WriteLine(sourceSwitch.Level);
//</Snippet8>
// Initialize trace source.
//<Snippet9>
MyTraceSource ts = new MyTraceSource("TraceTest");
//</Snippet9>
//<Snippet10>
Console.WriteLine(ts.Switch.DisplayName);
//</Snippet10>
//<Snippet11>
Console.WriteLine(ts.Switch.Level);
//</Snippet11>
//<Snippet12>
SwitchAttribute[] switches = SwitchAttribute.GetAll(typeof(TraceTest).Assembly);
for (int i = 0; i < switches.Length; i++)
{
Console.Write(switches[i].SwitchName);
Console.Write("\t");
Console.WriteLine(switches[i].SwitchType);
}
//</Snippet12>
//<Snippet13>
// Display the SwitchLevelAttribute for the BooleanSwitch.
Object[] attribs = typeof(BooleanSwitch).GetCustomAttributes(typeof(SwitchLevelAttribute), false);
if (attribs.Length == 0)
{
Console.WriteLine("Error, couldn't find SwitchLevelAttribute on BooleanSwitch.");
}
else
{
Console.WriteLine(((SwitchLevelAttribute)attribs[0]).SwitchLevelType.ToString());
}
//</Snippet13>
#if (ConfigFile)
//<Snippet14>
// Get the custom attributes for the TraceSource.
Console.WriteLine(ts.Attributes.Count);
foreach (DictionaryEntry de in ts.Attributes)
{
Console.WriteLine(de.Key + " " + de.Value);
}
//</Snippet14>
//<Snippet15>
// Get the custom attributes for the trace source switch.
foreach (DictionaryEntry de in ts.Switch.Attributes)
{
Console.WriteLine(de.Key + " " + de.Value);
}
//</Snippet15>
#endif
//<Snippet16>
ts.Listeners["console"].TraceOutputOptions |= TraceOptions.Callstack;
//</Snippet16>
//<Snippet17>
ts.TraceEvent(TraceEventType.Warning, 1);
//</Snippet17>
ts.Listeners["console"].TraceOutputOptions = TraceOptions.DateTime;
//<Snippet18>
// Issue file not found message as a warning.
ts.TraceEvent(TraceEventType.Warning, 1, "File Test not found");
//</Snippet18>
System.Threading.Thread.Sleep(1000);
//<Snippet19>
Console.WriteLine(ts.Listeners.Count);
//</Snippet19>
//<Snippet20>
ts.Listeners.Add(new TestListener(TESTLISTENERFILE, "TestListener"));
//</Snippet20>
Console.WriteLine(ts.Listeners.Count);
//<Snippet22>
foreach (TraceListener traceListener in ts.Listeners)
{
Console.Write(traceListener.Name + "\t");
// The following output can be used to update the configuration file.
Console.WriteLine((traceListener.GetType().AssemblyQualifiedName));
}
//</Snippet22>
//<Snippet23>
// Show correlation and output options.
Trace.CorrelationManager.StartLogicalOperation("abc");
//</Snippet23>
//<Snippet24>
// Issue file not found message as a verbose event using a formatted string.
ts.TraceEvent(TraceEventType.Verbose, 2, "File {0} not found.", "test");
//</Snippet24>
Trace.CorrelationManager.StartLogicalOperation("def");
// Issue file not found message as information.
ts.TraceEvent(TraceEventType.Information, 3, "File {0} not found.", "test");
//<Snippet25>
Trace.CorrelationManager.StopLogicalOperation();
//</Snippet25>
//<Snippet26>
ts.Listeners["console"].TraceOutputOptions |= TraceOptions.LogicalOperationStack;
//</Snippet26>
// Issue file not found message as an error event.
ts.TraceEvent(TraceEventType.Error, 4, "File {0} not found.", "test");
Trace.CorrelationManager.StopLogicalOperation();
// Write simple message from trace.
//<Snippet27>
Trace.TraceWarning("Warning from Trace.");
//</Snippet27>
//<Snippet28>
// Test the filter on the ConsoleTraceListener.
ts.Listeners["console"].Filter = new SourceFilter("No match");
ts.TraceData(TraceEventType.Information, 5,
"SourceFilter should reject this message for the console trace listener.");
ts.Listeners["console"].Filter = new SourceFilter("TraceTest");
ts.TraceData(TraceEventType.Information, 6,
"SourceFilter should let this message through on the console trace listener.");
//</Snippet28>
ts.Listeners["console"].Filter = null;
// Use the TraceData method.
//<Snippet30>
ts.TraceData(TraceEventType.Warning, 9, new object());
//</Snippet30>
//<Snippet31>
ts.TraceData(TraceEventType.Warning, 10, new object[] { "Message 1", "Message 2" });
//</Snippet31>
// Activity tests.
//<Snippet32>
ts.TraceEvent(TraceEventType.Start, 11, "Will not appear until the switch is changed.");
ts.Switch.Level = SourceLevels.ActivityTracing | SourceLevels.Critical;
ts.TraceEvent(TraceEventType.Suspend, 12, "Switch includes ActivityTracing, this should appear");
ts.TraceEvent(TraceEventType.Critical, 13, "Switch includes Critical, this should appear");
//</Snippet32>
Trace.Flush();
((TextWriterTraceListener)Trace.Listeners["file"]).Close();
((TextWriterTraceListener)Trace.Listeners["fileBuilder"]).Close();
System.Threading.Thread.Sleep(1000);
// Examine the contents of the log file.
Console.WriteLine("\n\n\n");
// Use try/catch in case the file hasn't been defined.
try
{
Console.WriteLine("Examining " + TEXTFILE);
StreamReader logfile = new StreamReader(TEXTFILE);
while (!logfile.EndOfStream)
{
Console.WriteLine(logfile.ReadLine());
}
logfile.Close();
File.Delete(TEXTFILE);
}
catch (Exception e)
{
Console.WriteLine("Error tying to read the text log file. " + e.Message);
}
// Display the contents of the log file builder.
Console.WriteLine("\n\n\n");
// Use try/catch in case the file hasn't been defined.
try
{
Console.WriteLine("Examining " + DELIMITEDFILE);
StreamReader logfile = new StreamReader(DELIMITEDFILE);
while (!logfile.EndOfStream)
{
Console.WriteLine(logfile.ReadLine());
}
logfile.Close();
File.Delete(DELIMITEDFILE);
}
catch (Exception e)
{
Console.WriteLine("Error tying to read the delimited text file. " + e.Message);
}
Console.WriteLine("Press any key to exit.");
Console.Read();
}
catch (Exception e)
{
// Catch any unexpected exception.
Console.WriteLine("Unexpected exception: " + e.ToString());
Console.Read();
}
}