Exemple #1
0
        /// <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);
            }
        }
Exemple #2
0
        /// <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);
            }
        }
Exemple #3
0
 /// <summary>
 /// Makes a note of all unhandled exceptions
 /// </summary>
 public static void onException(object o, UnhandledExceptionEventArgs e)
 {       //Talk about the exception
     using (LogAssume.Assume(_bot._logger))
         Log.write(TLog.Exception, "Unhandled exception:\r\n" + e.ExceptionObject.ToString());
 }