/// <summary>
/// Calls a singlecast event, returning a value
/// </summary>
static public object callsync(IEventObject obj, string name, bool bSync, params object[] args)
{ //Play safe?
if (bSync)
{
using (DdMonitor.Lock(obj._sync))
{ //Does the event exist?
HandlerList list;
if (!obj.events.TryGetValue(name, out list))
{
//No? No need to worry
return(null);
}
//Got it! Execute all handlers
foreach (CEventHandler eh in list.methods)
{ //Sanity checks
if (eh.argnum != args.Length)
{
throw new ArgumentException("Parameter mismatch while attempting to invoke custom event '" + name + "'");
}
//We're ok, time to invoke it
object ret = null;
//Use the logger if necessary
using (LogAssume.Assume(obj._eventLogger))
{ //Custom handler?
if (eh.customcaller == null)
{
ret = eh.handler(eh.that, args);
}
else
{
//Allow them to call it
ret = eh.customcaller(eh, true, eh.that, args);
}
//Got our loot, return with it
return(ret);
}
}
return(null);
}
}
else
{ //Does the event exist?
HandlerList list;
if (!obj.events.TryGetValue(name, out list))
{
//No? No need to worry
return(null);
}
//Got it! Execute all handlers
foreach (CEventHandler eh in list.methods)
{ //Sanity checks
if (eh.argnum != args.Length)
{
throw new ArgumentException("Parameter mismatch while attempting to invoke custom event '" + name + "'");
}
//We're ok, time to invoke it
object ret = null;
//Use the logger if necessary
using (LogAssume.Assume(obj._eventLogger))
{ //Custom handler?
if (eh.customcaller == null)
{
ret = eh.handler(eh.that, args);
}
else
{
//Allow them to call it
ret = eh.customcaller(eh, true, eh.that, args);
}
//Got our loot, return with it
return(ret);
}
}
return(null);
}
}
/// <summary>
/// Triggers an event
/// </summary>
static public void trigger(IEventObject obj, string name, bool bCautious, params object[] args)
{ //Attempt to hold the sync object
bool bSync = true;
if (bCautious)
{
bSync = DdMonitor.TryEnter(obj._sync);
}
else
{
DdMonitor.Enter(obj._sync);
}
//If this would block, queue the request in the threadpool
if (!bSync)
{ //Queue!
ThreadPool.QueueUserWorkItem(
delegate(object state)
{ //Reattempt the trigger
trigger(obj, name, false, args);
}
);
//Done
return;
}
try
{ //Does the event exist?
HandlerList list;
if (!obj.events.TryGetValue(name, out list))
{
//No? No need to worry
return;
}
//Got it! Execute all handlers
foreach (CEventHandler eh in list.methods)
{ //Sanity checks
if (eh.argnum != args.Length)
{
throw new ArgumentException("Parameter mismatch while attempting to invoke custom event '" + name + "'");
}
//Use the logger if necessary
using (LogAssume.Assume(obj._eventLogger))
{ //We're ok, time to invoke it
//Custom handler?
if (eh.customcaller == null)
{
eh.handler(eh.that, args);
}
else
{
//Allow them to call it
eh.customcaller(eh, false, eh.that, args);
}
}
}
}
catch (Exception ex)
{ //Log
Log.write(TLog.Exception, "Exception occured while triggering event (" + name + "):\r\n" + ex.ToString());
}
finally
{
DdMonitor.Exit(obj._sync);
}
}
/// <summary>
/// Makes a note of all unhandled exceptions
/// </summary>
public static void onException(object o, UnhandledExceptionEventArgs e)
{ //Talk about the exception
using (LogAssume.Assume(server._logger))
Log.write(TLog.Exception, "Unhandled exception:\r\n" + e.ExceptionObject.ToString());
}