/// <summary>
/// Triggers when the users list is received, continued, or ends
/// </summary>
/// <param name="e">The arguments with the list of users</param>
protected virtual void OnUserList(UserListEventArgs e)
{
EventHandler<UserListEventArgs> handler = UserList;
handler?.Invoke(this, e);
}
/// <summary>
/// Triggers when the users list is received, continued, or ends
/// </summary>
/// <param name="e">The arguments with the list of users</param>
protected virtual void OnUserList(UserListEventArgs e)
{
EventHandler <UserListEventArgs> handler = UserList;
handler?.Invoke(this, e);
}
/// <summary>
/// IRC protocol implementation per IRC RFC 2812 https://tools.ietf.org/html/rfc2812
/// </summary>
public void ReadProtocol()
{
var command = _sr.ReadLine();
Console.WriteLine(command);
IRCCommand cmd = IRCCommand.Parse(command);
if (command == null || cmd == null) return;
switch (cmd.Command)
{
case "001": //RPL_WELCOME
case "002": //RPL_YOURHOST
case "003": //RPL_CREATED
case "004": //RPL_MYINFO
case "NOTICE": //NOTICE
OnServerMessage(command);
SendCommand("JOIN " + Channel);
break;
case "332":
OnServerMessage(command);
break;
case "353": //RPL_NAMREPLY
//make sure if for this channel,
//i think i might get lists for all
//channels in the server.
if (cmd.Arguments[2] == Channel)
{
//lists of users for the channel we are connected
//lets ignore the type of channels for now (@, =, *)
var ulea = new UserListEventArgs
{
Users = new List<string>(cmd.Arguments[3].Split(' '))
};
//checks if the command before this one was a 353,
//if it is, that means the list of users was not completely
//received, so this packet is a continuation of the list.
//otherwise, this is the beginning of the list.
if (_previousCommand != "353")
{
ulea.Type = UserListMessageType.ListStart;
}
else if (_previousCommand == "353")
{
ulea.Type = UserListMessageType.ListContinue;
}
OnUserList(ulea);
}
break;
case "366": //RPL_ENDOFNAMES
//this is the end of the list of users.
OnUserList(new UserListEventArgs() { Type = UserListMessageType.ListEnd });
break;
case "433": //ERR_NICKNAMEINUSE
//tries to log in with a different nickname
SendCommand("NICK " + Nickname + "_" + new Random().Next(100));
break;
case "PRIVMSG": //new message to the channel, or private
ReceivedEventArgs rec = new ReceivedEventArgs
{
MessageFrom = cmd.Prefix.Substring(0, cmd.Prefix.IndexOf("!", StringComparison.Ordinal))
};
//TODO: handle messages that are for specific users, and show them in a unique way
//maybe something like FromUser > ToUser: Hello, World!
//let us worry about
//public and private messages only
if (cmd.Arguments[0] == Nickname)
{
rec.Type = MessageType.MessageToMe;
}
else
{
rec.Type = MessageType.MessageToChannel;
}
rec.Message = cmd.Arguments[1];
OnReceived(rec);
break;
case "PING": //reply with pong :p
SendCommand("PONG " + command.Substring(5));
break;
case "JOIN": //someone joined the channel
//two options: We could either re-ask for the entire list
//or simply add the specific user
string userJoined = cmd.Prefix.Substring(0, cmd.Prefix.IndexOf("!", StringComparison.Ordinal));
if (userJoined != Nickname)
{
OnUserJoined(userJoined);
}
else
{
//this is when I joined the channel.
OnConnected();
IsConnected = true;
}
break;
case "PART": //someone has left/quit the channel
case "QUIT":
string userLeft = cmd.Prefix.Substring(0, cmd.Prefix.IndexOf("!", StringComparison.Ordinal));
if (userLeft != Nickname)
{
OnUserQuit(userLeft);
}
else
{
//leave chatroom gracefully
OnQuit();
IsConnected = false;
}
break;
case "NICK": //change in nick
if (cmd.Arguments != null && cmd.Arguments.Count > 0)
{
var newNickname = cmd.Arguments[0];
var oldNickname = cmd.Prefix.Substring(0, cmd.Prefix.IndexOf("!", StringComparison.Ordinal));
//raise this event to update the nickname in the lists
OnNicknameChanged(oldNickname, newNickname, NicknameChangedType.NickChanged);
}
break;
case "ERROR":
OnQuit();
IsConnected = false;
break;
}
_previousCommand = cmd.Command;
}
/// <summary>
/// IRC protocol implementation per IRC RFC 2812 https://tools.ietf.org/html/rfc2812
/// </summary>
public void ReadProtocol()
{
var command = _sr.ReadLine();
Console.WriteLine(command);
IRCCommand cmd = IRCCommand.Parse(command);
if (command == null || cmd == null)
{
return;
}
switch (cmd.Command)
{
case "001": //RPL_WELCOME
case "002": //RPL_YOURHOST
case "003": //RPL_CREATED
case "004": //RPL_MYINFO
case "NOTICE": //NOTICE
OnServerMessage(command);
SendCommand("JOIN " + Channel);
break;
case "332":
OnServerMessage(command);
break;
case "353": //RPL_NAMREPLY
//make sure if for this channel,
//i think i might get lists for all
//channels in the server.
if (cmd.Arguments[2] == Channel)
{
//lists of users for the channel we are connected
//lets ignore the type of channels for now (@, =, *)
var ulea = new UserListEventArgs
{
Users = new List <string>(cmd.Arguments[3].Split(' '))
};
//checks if the command before this one was a 353,
//if it is, that means the list of users was not completely
//received, so this packet is a continuation of the list.
//otherwise, this is the beginning of the list.
if (_previousCommand != "353")
{
ulea.Type = UserListMessageType.ListStart;
}
else if (_previousCommand == "353")
{
ulea.Type = UserListMessageType.ListContinue;
}
OnUserList(ulea);
}
break;
case "366": //RPL_ENDOFNAMES
//this is the end of the list of users.
OnUserList(new UserListEventArgs()
{
Type = UserListMessageType.ListEnd
});
break;
case "433": //ERR_NICKNAMEINUSE
//tries to log in with a different nickname
SendCommand("NICK " + Nickname + "_" + new Random().Next(100));
break;
case "PRIVMSG": //new message to the channel, or private
ReceivedEventArgs rec = new ReceivedEventArgs
{
MessageFrom = cmd.Prefix.Substring(0, cmd.Prefix.IndexOf("!", StringComparison.Ordinal))
};
//TODO: handle messages that are for specific users, and show them in a unique way
//maybe something like FromUser > ToUser: Hello, World!
//let us worry about
//public and private messages only
if (cmd.Arguments[0] == Nickname)
{
rec.Type = MessageType.MessageToMe;
}
else
{
rec.Type = MessageType.MessageToChannel;
}
rec.Message = cmd.Arguments[1];
OnReceived(rec);
break;
case "PING": //reply with pong :p
SendCommand("PONG " + command.Substring(5));
break;
case "JOIN": //someone joined the channel
//two options: We could either re-ask for the entire list
//or simply add the specific user
string userJoined = cmd.Prefix.Substring(0, cmd.Prefix.IndexOf("!", StringComparison.Ordinal));
if (userJoined != Nickname)
{
OnUserJoined(userJoined);
}
else
{
//this is when I joined the channel.
OnConnected();
IsConnected = true;
}
break;
case "PART": //someone has left/quit the channel
case "QUIT":
string userLeft = cmd.Prefix.Substring(0, cmd.Prefix.IndexOf("!", StringComparison.Ordinal));
if (userLeft != Nickname)
{
OnUserQuit(userLeft);
}
else
{
//leave chatroom gracefully
OnQuit();
IsConnected = false;
}
break;
case "NICK": //change in nick
if (cmd.Arguments != null && cmd.Arguments.Count > 0)
{
var newNickname = cmd.Arguments[0];
var oldNickname = cmd.Prefix.Substring(0, cmd.Prefix.IndexOf("!", StringComparison.Ordinal));
//raise this event to update the nickname in the lists
OnNicknameChanged(oldNickname, newNickname, NicknameChangedType.NickChanged);
}
break;
case "ERROR":
OnQuit();
IsConnected = false;
break;
}
_previousCommand = cmd.Command;
}