/// <summary>
/// Initializes the command handlers.
/// </summary>
private void InitializeCommandHandlers()
{
foreach (var item in this.allCommandHandlers)
{
BotCommandHandler handler = null;
// try to get the value
try
{
handler = item.Value;
}
catch (CompositionException ex)
{
ReportPluginCompositionError(ex);
continue;
}
// handler is valid, process it
var attribute = handler.GetHandlerAttribute();
var target = PluginHandle.Get(handler);
var attributes = new CommandDataAttributes
{
CommandAttribute = attribute,
HelpAttribute = handler.GetHelpAttribute(),
RoleAttribute = handler.GetRoleDefaultAttribute()
};
var commandData = new CommandData(target, handler, attributes);
this.commandHandlers.Add(commandData);
// assign a role to this command
authorizer.EnsureCommandRole(attribute.Commands, commandData.DefaultRole);
// save plugin reference
AddPluginToRunningList(target);
}
}
/// <summary>
/// Executes the command handler.
/// </summary>
/// <param name="commandData">The command data.</param>
/// <param name="packet">The packet.</param>
public void ExecuteCommandHandler(CommandData commandData, CommandPacket packet)
{
var context = GenerateContext(packet, commandData.Target);
var handler = commandData.CommandHandler;
try
{
// Since this is a system plugin the current thread is the main processing thread. we don't
// want to be held back processing commands while new packets are arriving. so spawn off a
// new thread to process the incoming command and keep on trucking while that happens.
Task.Factory
.StartNew(() => handler(packet, context), TaskCreationOptions.PreferFairness)
.ContinueWith(t =>
{
// if this runs there was an exception executing the command on the thread
t.Exception.Handle(ex =>
{
console.WriteLine(string.Format("Error executing the command '{0}'. See bot log for details.", packet.Command), Style.Error);
Logger.Error(ex.Message, ex);
if (context.Client != null && context.Client.Connected) context.Client.Say(packet.ChatRoom, string.Format("{0}: error occured executing the command. Notify the bot admin.", packet.Command));
return true;
});
}, TaskContinuationOptions.OnlyOnFaulted);
}
catch (Exception ex)
{
Logger.Error(ex.Message, ex);
console.WriteLine("Error occured. See bot log for details.", Style.Error);
}
}
