/// <summary>
/// Tries handling an IGC message, whether sent via broadcast or unicast
/// </summary>
/// <param name="msg">Message</param>
/// <returns>Did the handling succeed?</returns>
private bool TryHandle(MyIGCMessage msg)
{
if (!CommandParsers.ContainsKey(msg.Tag))
{
logger($"Can't find parser for tag {msg.Tag}");
return(false);
}
var cmd = CommandParsers[msg.Tag](msg.Data);
if (cmd == null)
{
logger($"Failed to parse message of tag {msg.Tag}, whose data is {msg.Data}");
return(false);
}
if (!CommandHandlers.ContainsKey(msg.Tag))
{
logger($"Parsed message of tag {msg.Tag} but couldn't find handler");
return(false);
}
var handled = CommandHandlers[msg.Tag].tryHandle(cmd, msg.Source);
if (!handled)
{
logger($"Command handler couldn't handle message of tag {msg.Tag} whose inner data is {msg.Data}");
return(false);
}
return(true);
}
/// <summary>
/// Registers an ICommand parser
/// </summary>
/// <typeparam name="TCommand">Type of command, this is used to determine the parsing process</typeparam>
/// <param name="messageType">Integer identifying message type, to differentiate between parsers</param>
private void RegisterParser <TCommand>() where TCommand : ICommand, new()
{
var messageType = new TCommand().Tag;
if (CommandParsers.ContainsKey(messageType))
{
throw new ArgumentException($"A parser for tag {messageType} is already registered");
}
CommandParsers.Add(messageType, (object obj) =>
{
TCommand cmd = new TCommand();
if (cmd.Deserialize(obj))
{
return(cmd);
}
return(null);
});
}
