void ChangeModes( string modetext )
{
if ( CurrentView == null ) return;
var modes = new Irc.ModeChangeSet(modetext);
CurrentView.ID.Connection.ChangeModes( CurrentView.ID.Channel, modes );
}
void OnRecv( IAsyncResult result )
{
lock (Lock) try {
var state = (RecvState) result.AsyncState;
var buffer = state.Buffer;
if (Client == null || Client.Client == null || !Client.Connected) return; // XXX -- do we really want to silent-fail here?
var buffer_end = Client.Client.EndReceive(result) + state.Offset;
Handle(state.Error);
var eol = Encoding.GetBytes("\n")[0]; // XXX
var begin = 0;
for (;;) {
var end = Array.FindIndex( buffer, begin, buffer_end-begin, (byte b) => b == eol );
if ( end == -1 ) {
for ( int i = begin ; i < buffer_end ; ++i ) buffer[i-begin] = buffer[i];
BeginRecv(buffer,buffer_end-begin);
return;
}
var s = Encoding.GetString(buffer, begin, end-begin).TrimEnd( new[]{'\r','\n'} );
//if (OnRecieve != null) OnRecieve(s);
Match match;
try {
if ( ( match = new Regex(@"^PING(.*)$").Match(s)).Success ) {
var code = match.Groups[1].Value;
Send( "PONG" + code );
} else if ( (match = new Regex(@"^\:([^ ]+) (\d\d\d) [^: ]+ \:?(.*)$").Match(s)).Success ) {
var sender = match.Groups[1].Value;
var code = match.Groups[2].Value;
var parameters = match.Groups[3].Value;
if (serverIdent == null) serverIdent = sender;
switch (code) {
case "001": // Welcome
Registered = true;
foreach ( string channel in TargetChannels ) Send("JOIN "+(channel.StartsWith("#")?channel:"#"+channel));
break;
case "311": // RPL_WHOISUSER "<nick> <user> <host> * :<real name>"
case "314": // RPL_WHOWASUSER "<nick> <user> <host> * :<real name>"
if ( (match = new Regex(@"^([^ ]+) ([^ ]+) ([^ ]+) \* \:(.+)$").Match(parameters)).Success ) {
var nick = match.Groups[1].Value;
var user = match.Groups[2].Value;
var host = match.Groups[3].Value;
var real = match.Groups[4].Value;
if ( Users.ContainsKey(nick) ) Users[nick].Hostname = host;
}
break;
case "331": // RPL_NOTOPIC
case "332": // RPL_TOPIC
if ( (match = new Regex(@"^(?'channel'[^ ]+) \:?(?'topic'.+)$").Match(parameters)).Success ) {
var channel = match.Groups["channel"].Value;
var topic = match.Groups["topic"].Value;
foreach ( var l in Listeners ) l.OnTopic( this, null, channel, topic );
}
break;
case "353": // RPL_NAMREPLY (Names list)
if ( (match = new Regex(@"^(?:. )?(?'channel'[^: ]+) \:(?'nicks'.+)$").Match(parameters)).Success )
{
var channelname = match.Groups["channel"].Value;
if (!Channels.ContainsKey(channelname)) break;
var channel = Channels[channelname];
var nicks = match.Groups["nicks"].Value.Split(new[]{' '},StringSplitOptions.RemoveEmptyEntries);
foreach ( string nick_ in nicks ) {
string nick;
switch ( nick_[0] ) {
case '@':
case '%':
case '+':
nick = nick_.Substring(1);
break;
default:
nick = nick_;
break;
}
channel.Users.Add( nick );
if (!Users.ContainsKey(nick)) Users.Add(nick,new User());
}
}
break;
case "366": // RPL_ENDOFNAMES (End of names list)
break;
case "401": // RPL_NOSUCHNICK "<nickname> :No such nick/channel"
Send( "WHOWAS "+ReadParam(ref parameters) );
break;
case "406": { // RPL_WASNOSUCHNICK "<nickname> :There was no such nickname"
var nick = ReadParam(ref parameters);
if ( Users.ContainsKey(nick) ) Users.Remove(nick);
break;
} case "433": // Nick already in use
ActualNickname = ActualNickname + "_";
Send( "NICK "+ActualNickname); // try a different one
break;
}
} else if ( (match = new Regex(@"^\:?(?'nick'[^ !]+)!(?'user'[^ @]+)@(?'host'[^ ]+) (?'action'[^ ]+)(?: (?'params'.+))?$").Match(s)).Success ) {
var nick = match.Groups["nick"].Value;
var user = match.Groups["user"].Value;
var host = match.Groups["host"].Value;
var actor = new Irc.Actor() { Nickname = nick, Username = user, Hostname = host };
var action = match.Groups["action"].Value;
var param = match.Groups["params"].Value;
switch ( action ) {
case "NICK": {
var newnick = ReadParam(ref param);
if ( nick == ActualNickname ) ActualNickname = newnick; // we got renamed!
if ( Users.ContainsKey(nick) ) {
var info = Users[nick];
if ( !Users.ContainsKey(newnick) ) Users.Add(newnick,info);
Users.Remove(nick);
}
foreach ( var channel in Channels )
if ( channel.Value.Users.Contains(nick) )
{
channel.Value.Users.Remove(nick);
channel.Value.Users.Add(newnick);
foreach ( var l in Listeners ) l.OnNick( this, actor, channel.Key, newnick );
}
break;
} case "JOIN": {
var channel = ReadParam(ref param);
if ( nick == ActualNickname ) AddChannel(channel); // we joined a channel!
if ( Channels.ContainsKey(channel) ) Channels[channel].Users.Add(nick);
foreach ( var l in Listeners ) l.OnJoin( this, actor, channel );
break;
} case "PART": {
var channel = ReadParam(ref param);
if ( nick == ActualNickname ) RemoveChannel(channel); // we left a channel!
if ( Channels.ContainsKey(channel) ) Channels[channel].Users.Remove(nick);
foreach ( var l in Listeners ) l.OnPart( this, actor, channel );
break;
} case "QUIT": {
var message = TrimColon(param);
foreach ( var l in Listeners )
foreach ( var channel in Channels )
if ( channel.Value.Users.Contains(nick) )
{
channel.Value.Users.Remove(nick);
l.OnQuit( this, actor, channel.Key, message );
}
break;
} case "KICK": {
var channel = ReadParam(ref param);
var target = ReadParam(ref param);
var message = TrimColon(param);
if ( Channels.ContainsKey(channel) ) Channels[channel].Users.Remove(target);
if ( target == ActualNickname ) { // we were kicked from a channel!
RemoveChannel( channel );
if ( AutoRejoin ) Join( channel );
}
foreach ( var l in Listeners ) l.OnKick( this, actor, channel, target, message );
break;
} case "PRIVMSG": {
var target = ReadParam(ref param);
var message = TrimColon(param);
switch ( message ) {
case "\u0001VERSION\u0001": // http://www.irchelp.org/irchelp/rfc/ctcpspec.html
if ( target != ActualNickname ) break;
Send( "NOTICE "+nick+" :\u0001VERSION UberIRC "+Assembly.GetExecutingAssembly().ImageRuntimeVersion+" Unknown Unavailable\u0001" );
break;
default:
foreach ( var l in Listeners ) l.OnPrivMsg( this, actor, target, message );
break;
}
break;
} case "NOTICE": {
var target = ReadParam(ref param);
var message = TrimColon(param);
foreach ( var l in Listeners ) l.OnNotice( this, actor, target, message );
break;
} case "MODE": {
var channel = ReadParam(ref param);
var modes = new Irc.ModeChangeSet(param);
foreach ( var l in Listeners ) {
foreach ( var mode in modes.UserModes ) l.OnModeChange( this, actor, channel, mode.Key, mode.Value );
foreach ( var mode in modes.ChannelModes ) l.OnChannelModeChange( this, actor, channel, mode.Key, mode.Value );
}
break;
} case "TOPIC": {
var channel = ReadParam(ref param);
var newtopic = TrimColon(param);
foreach ( var l in Listeners ) l.OnTopic( this, actor, channel, newtopic );
break;
}
}
}
} catch ( Exception e ) {
foreach ( var l in Listeners ) l.OnRecvParseError( this, s, e );
}
begin = end+1;
}
}
catch ( SocketException e ) { Handle(e); }
catch ( ObjectDisposedException e ) { Handle(e); }
catch ( Exception e ) { foreach ( var l in Listeners ) l.OnConnectionError(this,e); }
}