我想让 IRC 机器人自动以用户身份加入 IRC 频道（在网络聊天中），然后让机器人保持在线以禁止发送垃圾邮件的用户
我需要什么开始做这个？哪些知识？也许一些API？套接字的使用？
有人可以给我看一个例子或介绍我吗？
我找到了这段代码，我试图检查里面的所有东西以试图理解，但是当我尝试连接到服务器时它没有连接，它不会抛出任何异常，只是用户没有加入房间：
Imports System.Net.Sockets
Imports System.IO
Imports System.Net
Public Class Form1
Public Class My_IRC
Private _sServer As String = String.Empty '-- IRC server name
Private _sChannel As String = String.Empty '-- the channel you want to join (prefex with #)
Private _sNickName As String = String.Empty '-- the nick name you want show up in the side bar
Private _lPort As Int32 = 6667 '-- the port to connect to. Default is 6667
Private _bInvisible As Boolean = False '-- shows up as an invisible user. Still working on this.
Private _sRealName As String = "nodibot" '-- More naming
Private _sUserName As String = "nodi_the_bot" '-- Unique name so of the IRC network has a unique handle to you regardless of the nickname.
Private _tcpclientConnection As TcpClient = Nothing '-- main connection to the IRC network.
Private _networkStream As NetworkStream = Nothing '-- break that connection down to a network stream.
Private _streamWriter As StreamWriter = Nothing '-- provide a convenient access to writing commands.
Private _streamReader As StreamReader = Nothing '-- provide a convenient access to reading commands.
Public Sub New(ByVal server As String, ByVal channel As String, ByVal nickname As String, ByVal port As Int32, ByVal invisible As Boolean)
_sServer = server
_sChannel = channel
_sNickName = nickname
_lPort = port
_bInvisible = invisible
End Sub
Public Sub Connect()
'-- IDENT explained:
'-- -- When connecting to the IRC server they will send a response to your 113 port.
'-- -- It wants your user name and a response code back. If you don't some servers
'-- -- won't let you in or will boot you. Once verified it drastically speeds up
'-- -- the connecting time.
'-- -- -- http://en.wikipedia.org/wiki/Ident
'-- Heads up - when sending a command you need to flush the writer each time. That's key.
Dim sIsInvisible As String = String.Empty
Dim sCommand As String = String.Empty '-- commands to process from the room.
'-- objects used for the IDENT response.
Dim identListener As TcpListener = Nothing
Dim identClient As TcpClient = Nothing
Dim identNetworkStream As NetworkStream = Nothing
Dim identStreamReader As StreamReader = Nothing
Dim identStreamWriter As StreamWriter = Nothing
Dim identResponseString As String = String.Empty
Try
'-- Start the main connection to the IRC server.
Console.WriteLine("**Creating Connection**")
_tcpclientConnection = New TcpClient(_sServer, _lPort)
_networkStream = _tcpclientConnection.GetStream
_streamReader = New StreamReader(_networkStream)
_streamWriter = New StreamWriter(_networkStream)
'-- Yeah, questionable if this works all the time.
If _bInvisible Then
sIsInvisible = 8
Else
sIsInvisible = 0
End If
'-- Send in your information
Console.WriteLine("**Setting up name**")
_streamWriter.WriteLine(String.Format("USER {0} {1} * :{2}", _sUserName, sIsInvisible, _sRealName))
_streamWriter.Flush()
'-- Create your nickname.
Console.WriteLine("**Setting Nickname**")
_streamWriter.WriteLine(String.Format(String.Format("NICK {0}", _sNickName)))
_streamWriter.Flush()
'-- Tell the server you want to connect to a specific room.
Console.WriteLine("**Joining Room**")
_streamWriter.WriteLine(String.Format("JOIN {0}", _sChannel))
_streamWriter.Flush()
'-- By now the IDENT should be sent to your port 113. Listen to it, grab the text,
'-- and send a response.
'-- Idents are usually #### , ####
'-- That is four digits, a space, a comma, and four more digits. You need to send
'-- this back with your user name you connected with and your system.
identListener = New TcpListener(IPAddress.Any, 113)
identListener.Start()
identClient = identListener.AcceptTcpClient
identListener.Stop()
Console.WriteLine("ident connection?")
identNetworkStream = identClient.GetStream
identStreamReader = New StreamReader(identNetworkStream)
identResponseString = identStreamReader.ReadLine
Console.WriteLine("ident got: " + identResponseString)
identStreamWriter = New StreamWriter(identNetworkStream)
'-- The general format for the IDENT response. You can use UNIX, WINDOWS VISTA, WINDOWS XP, or what ever your system is.
identStreamWriter.WriteLine(String.Format("{0} : USERID : WINDOWS 7 : {1}", identResponseString, _sUserName))
identStreamWriter.Flush()
'-- By now you should be connected to your room and visible to anyone else.
'-- If you are receiving errors they are pretty explicit and you can maneuver
'-- to debuggin them.
'--
'-- What happens here is the command processing. In an infinite loop the bot
'-- read in commands and act on them.
While True
sCommand = _streamReader.ReadLine
Console.WriteLine(sCommand)
'-- Not the best method but for the time being it works.
'--
'-- Example of a command it picks up
' :nodi123!nodi12312@ipxxx-xx.net PRIVMSG #nodi123_test :? hola!
'-- You can extend the program to better read the lines!
Dim sCommandParts(sCommand.Split(" ").Length) As String
sCommandParts = sCommand.Split(" ")
'-- Occasionally the IRC server will ping the app. If it doesn't respond in an
'-- appropriate amount of time the connection is closed.
'-- How does one respond to a ping, but with a pong! (and the hash it sends)
If sCommandParts(0) = "PING" Then
Dim sPing As String = String.Empty
For i As Int32 = 1 To sCommandParts.Length - 1
sPing += sCommandParts(i) + " "
Next
_streamWriter.WriteLine("PONG " + sPing)
_streamWriter.Flush()
Console.WriteLine("PONG " + sPing)
End If
'-- With my jank split command we want to look for specific commands sent and react to them!
'-- In theory this should be dumped to a method, but for this small tutorial you can see them here.
'-- Also any user can input this. If you want to respond to commands from you only you would
'-- have to extend the program to look for your non-bot-id in the sCommandParts(0)
If sCommandParts.Length >= 4 Then
'-- If a statement is proceeded by a question mark (the semi colon's there automatically)
'-- then repeat the rest of the string!
If sCommandParts(3).StartsWith(":?") Then
Dim sVal As String = String.Empty
Dim sOut As String = String.Empty
'-- the text might have other spaces in them so concatenate the rest of the parts
'-- because it's all text.
For i As Int32 = 3 To sCommandParts.Length - 1
sVal += sCommandParts(i)
sVal += " "
Next
'-- remove the :? part.
sVal = sVal.Substring(2, sVal.Length - 2)
'-- Trim for good measure.
sVal = sVal.Trim
'-- Send the text back out. The format is they command to send the text and the room you are in.
sOut = String.Format("PRIVMSG {0} : You said '{1}'", _sChannel, sVal)
_streamWriter.WriteLine(sOut)
_streamWriter.Flush()
End If
'-- If you don't quit the bot correctly the connection will be active until a ping/pong is failed.
'-- Even if your programming isn't running!
'-- To stop that here's a command to have the bot quit!
If sCommandParts(3).Contains(":!Q") Then
' Stop
_streamWriter.WriteLine("QUIT")
_streamWriter.Flush()
Exit Sub
End If
End If
End While
Catch ex As Exception
'-- Any exception quits the bot gracefully.
Console.WriteLine("Error in Connecting. " + ex.Message)
_streamWriter.WriteLine("QUIT")
_streamWriter.Flush()
Finally
'-- close your connections
_streamReader.Dispose()
_streamWriter.Dispose()
_networkStream.Dispose()
End Try
End Sub
End Class
Private Sub Form1_Load(sender As Object, e As EventArgs) Handles MyBase.Load
Dim a As New My_IRC("irc.freenode.org", "#ircehn", "Elektro_bot", 6667, False)
End Sub
End Class