internal IrcChannel(IrcClient client, string name)
{
Client = client;
Users = new UserCollection();
UsersByMode = new Dictionary<char, UserCollection>();
Name = name;
}
public static void HandleErronousNick(IrcClient client, IrcMessage message)
{
var eventArgs = new ErronousNickEventArgs(client.User.Nick);
if(message.Command == "433") // Nick in use
client.OnNickInUse(eventArgs);
// else ... TODO
if(!eventArgs.DoNotHandle && client.Settings.GenerateRandomNickIfRefused)
client.Nick(eventArgs.NewNick);
}
public static void HandleMode(IrcClient client, IrcMessage message)
{
string target, mode = null;
int i = 2;
if(message.Command == "MODE") {
target = message.Parameters[0];
mode = message.Parameters[1];
}
else {
target = message.Parameters[1];
mode = message.Parameters[2];
i++;
}
// Handle change
bool add = true;
if(target.StartsWith("#")) {
var channel = client.Channels[target];
try {
foreach(char c in mode) {
if(c == '+') {
add = true;
continue;
}
if(c == '-') {
add = false;
continue;
}
if(channel.Mode == null)
channel.Mode = string.Empty;
// TODO: Support the ones here that aren't done properly
if(client.ServerInfo.SupportedChannelModes.ParameterizedSettings.Contains(c)) {
client.OnModeChanged(new ModeChangeEventArgs(channel.Name, new IrcUser(message.Prefix),
(add ? "+" : "-") + c.ToString() + " " + message.Parameters[i++]));
}
else if(client.ServerInfo.SupportedChannelModes.ChannelLists.Contains(c)) {
client.OnModeChanged(new ModeChangeEventArgs(channel.Name, new IrcUser(message.Prefix),
(add ? "+" : "-") + c.ToString() + " " + message.Parameters[i++]));
}
else if(client.ServerInfo.SupportedChannelModes.ChannelUserModes.Contains(c)) {
if(!channel.UsersByMode.ContainsKey(c)) channel.UsersByMode.Add(c, new UserCollection());
var user = new IrcUser(message.Parameters[i]);
if(add) {
if(!channel.UsersByMode[c].Contains(user.Nick))
channel.UsersByMode[c].Add(user);
}
else {
if(channel.UsersByMode[c].Contains(user.Nick))
channel.UsersByMode[c].Remove(user);
}
client.OnModeChanged(new ModeChangeEventArgs(channel.Name, new IrcUser(message.Prefix),
(add ? "+" : "-") + c.ToString() + " " + message.Parameters[i++]));
}
if(client.ServerInfo.SupportedChannelModes.Settings.Contains(c)) {
if(add) {
if(!channel.Mode.Contains(c))
channel.Mode += c.ToString();
}
else
channel.Mode = channel.Mode.Replace(c.ToString(), string.Empty);
client.OnModeChanged(new ModeChangeEventArgs(channel.Name, new IrcUser(message.Prefix),
(add ? "+" : "-") + c.ToString()));
}
}
}
catch { }
if(message.Command == "324") {
var operation = client.RequestManager.DequeueOperation("MODE " + channel.Name);
operation.Callback(operation);
}
}
else {
// TODO: Handle user modes other than ourselves?
foreach(char c in mode) {
if(add) {
if(!client.User.Mode.Contains(c))
client.User.Mode += c;
}
else
client.User.Mode = client.User.Mode.Replace(c.ToString(), string.Empty);
}
}
}
public static void RegisterDefaultHandlers(IrcClient client)
{
// General
client.SetHandler("PING", HandlePing);
client.SetHandler("NOTICE", HandleNotice);
client.SetHandler("PRIVMSG", HandlePrivmsg);
client.SetHandler("MODE", HandleMode);
//client.SetHandler("324", HandleMode);
client.SetHandler("NICK", HandleNick);
client.SetHandler("QUIT", HandleQuit);
client.SetHandler("431", HandleErronousNick);
client.SetHandler("432", HandleErronousNick);
client.SetHandler("433", HandleErronousNick);
client.SetHandler("436", HandleErronousNick);
// MOTD Handlers
client.SetHandler("375", MOTDHandlers.HandleMOTDStart);
client.SetHandler("372", MOTDHandlers.HandleMOTD);
client.SetHandler("376", MOTDHandlers.HandleEndOfMOTD);
client.SetHandler("422", MOTDHandlers.HandleMOTDNotFound);
// Channel handlers
client.SetHandler("JOIN", ChannelHandlers.HandleJoin);
client.SetHandler("PART", ChannelHandlers.HandlePart);
client.SetHandler("332", ChannelHandlers.HandleGetTopic);
client.SetHandler("331", ChannelHandlers.HandleGetEmptyTopic);
client.SetHandler("353", ChannelHandlers.HandleUserListPart);
client.SetHandler("366", ChannelHandlers.HandleUserListEnd);
client.SetHandler("KICK", ChannelHandlers.HandleKick);
// User handlers
client.SetHandler("311", UserHandlers.HandleWhoIsUser);
client.SetHandler("312", UserHandlers.HandleWhoIsServer);
client.SetHandler("313", UserHandlers.HandleWhoIsOperator);
client.SetHandler("317", UserHandlers.HandleWhoIsIdle);
client.SetHandler("318", UserHandlers.HandleWhoIsEnd);
client.SetHandler("319", UserHandlers.HandleWhoIsChannels);
client.SetHandler("330", UserHandlers.HandleWhoIsLoggedInAs);
// Listing handlers
client.SetHandler("367", ListingHandlers.HandleBanListPart);
client.SetHandler("368", ListingHandlers.HandleBanListEnd);
client.SetHandler("348", ListingHandlers.HandleExceptionListPart);
client.SetHandler("349", ListingHandlers.HandleExceptionListEnd);
client.SetHandler("346", ListingHandlers.HandleInviteListPart);
client.SetHandler("347", ListingHandlers.HandleInviteListEnd);
client.SetHandler("728", ListingHandlers.HandleQuietListPart);
client.SetHandler("729", ListingHandlers.HandleQuietListEnd);
// Server handlers
client.SetHandler("004", ServerHandlers.HandleMyInfo);
client.SetHandler("005", ServerHandlers.HandleISupport);
}
public static void HandleQuit(IrcClient client, IrcMessage message)
{
var user = new IrcUser(message.Prefix);
if(client.User.Nick != user.Nick) {
var channels = client
.Channels
.Where(c => c.Users.Any(u => u.Nick.Equals(user.Nick)));
var users = channels
.SelectMany(c => c.UsersByMode)
.Where(m => m.Value.Contains(user.Nick))
.Select(c => c.Value);
foreach(var userCollection in users) {
userCollection.Remove(user.Nick);
}
foreach(var channel in channels) {
channel.Users.Remove(user.Nick);
}
}
}
public static void HandlePrivmsg(IrcClient client, IrcMessage message)
{
var eventArgs = new PrivateMessageEventArgs(message, client.ServerInfo);
client.OnPrivateMessageReceived(eventArgs);
if(eventArgs.PrivateMessage.IsChannelMessage) {
try {
// Populate this user's hostname and user from the message
// TODO: Merge all users from all channels into one list and keep references to
// which channels they're in
var channel = client.Channels[eventArgs.PrivateMessage.Source];
var u = channel.Users[eventArgs.PrivateMessage.User.Nick];
u.Hostname = eventArgs.PrivateMessage.User.Hostname;
u.User = eventArgs.PrivateMessage.User.User;
}
catch { /* silently ignored */ }
client.OnChannelMessageReceived(eventArgs);
}
else
client.OnUserMessageReceived(eventArgs);
}
public static void HandlePing(IrcClient client, IrcMessage message)
{
client.ServerNameFromPing = message.Parameters[0];
client.SendRawMessage("PONG :{0}", message.Parameters[0]);
}
public static void HandleNotice(IrcClient client, IrcMessage message)
{
client.OnNoticeReceived(new IrcNoticeEventArgs(message));
}
public static void HandleNick(IrcClient client, IrcMessage message)
{
var ircUser = new IrcUser(message.Prefix);
var oldNick = ircUser.Nick;
var users = client
.Channels
.SelectMany(c => c.Users.Where(u => u.Nick.Equals(ircUser.Nick, StringComparison.OrdinalIgnoreCase)));
foreach(var user in users) {
if(user != null) {
user.Nick = message.Parameters[0];
}
}
if(client.User.Nick.Equals(ircUser.Nick, System.StringComparison.OrdinalIgnoreCase)) {
client.User.Nick = message.Parameters[0];
}
client.OnNickChanged(new NickChangedEventArgs {
User = ircUser,
OldNick = oldNick,
NewNick = message.Parameters[0]
});
}
