server#!/usr/bin/python
encoding: utf-8
from asyncore import dispatcher from asynchat import async_chat import socket, asyncore LOCAL = ‘127.0.0.1’ PORT = 6666 #端口 class EndSession(Exception): “”” 自定义会话结束时的异常 “”” pass class CommandHandler: “”” 命令处理类 “”” def unknown(self, session, cmd): ‘响应未知命令’ session.push(‘Unknown command: %s’ % cmd) def handle(self, session, line): ‘命令处理’ if not line.strip(): return parts = line.split(‘ ‘, 1) cmd = parts[0] try: line = parts[1].strip() except IndexError: line = ‘’ print ‘cmd:’+str(‘do_’ + cmd) print ‘line:’+str(line) meth = getattr(self, ‘do_’ + cmd, None) try: meth(session, line) except TypeError: self.unknown(session, cmd) class Room(CommandHandler): “”” 包含多个用户的环境，负责基本的命令处理和广播 “”” def init(self, server): self.server = server self.sessions = [] def add(self, session): ‘一个用户进入房间’ self.sessions.append(session) def remove(self, session): ‘一个用户离开房间’ self.sessions.remove(session) def broadcast(self, line): ‘向所有的用户发送指定消息’ for session in self.sessions: session.push(line) def do_logout(self, session, line): ‘退出房间’ raise EndSession class LoginRoom(Room): “”” 刚登录的用户的房间 “”” def add(self, session): ‘用户连接成功的回应’ Room.add(self, session) session.push(‘Connect Success’) def do_login(self, session, line): ‘登录命令处理’ name = line.strip() if not name: session.push(‘UserName Empty’) elif name in self.server.users: session.push(‘UserName Exist’) else: session.name = name session.enter(self.server.main_room) print self.server.main_room class ChatRoom(Room): “”” 聊天用的房间 “”” def add(self, session): ‘广播新用户进入’ session.push(‘Login Success’) self.broadcast(session.name + ‘ has entered the room.|’) self.server.users[session.name] = session Room.add(self, session) def remove(self, session): ‘广播用户离开’ Room.remove(self, session) self.broadcast(session.name + ‘ has left the room.|’) def do_say(self, session, line): ‘客户端发送消息’ self.broadcast(session.name + ‘: ‘ + line + ‘|’) def do_look(self, session, line): ‘查看在线用户’ session.push(‘Online Users:|’) for other in self.sessions: session.push(other.name + ‘|’) class LogoutRoom(Room): “”” 用户退出时的房间 “”” def add(self, session): ‘从服务器中移除’ try: del self.server.users[session.name] except KeyError: pass class ChatSession(async_chat): “”” 负责和单用户通信 “”” def init(self, server, sock): async_chat.init(self, sock) self.server = server self.set_terminator(‘|’) self.data = [] self.name = None self.enter(LoginRoom(server)) def enter(self, room): ‘从当前房间移除自身，然后添加到指定房间’ try: cur = self.room except AttributeError: pass else: cur.remove(self) self.room = room room.add(self) def collect_incoming_data(self, data): ‘接受客户端的数据’ self.data.append(data) def found_terminator(self): ‘当客户端的一条数据结束时的处理’ line = ‘‘.join(self.data) self.data = [] try: self.room.handle(self, line) except EndSession: self.handle_close() def handle_close(self): async_chat.handle_close(self) self.enter(LogoutRoom(self.server)) class ChatServer(dispatcher): “”” 聊天服务器 “”” def init(self, port): dispatcher.init(self) self.create_socket(socket.AF_INET, socket.SOCK_STREAM) self.set_reuse_addr() self.bind((LOCAL, port)) self.listen(15) print LOCAL print port print ‘服务器已经就绪……’ self.users = {} self.main_room = ChatRoom(self) def handle_accept(self): conn, addr = self.accept() ChatSession(self, conn) if name == ‘main’: s = ChatServer(PORT) try: asyncore.loop() except KeyboardInterrupt: print client:#!/usr/bin/python
encoding: utf-8
import wx import telnetlib from time import sleep import thread class LoginFrame(wx.Frame): “”” 登录窗口 “”” def init(self, parent, id, title, size): ‘初始化，添加控件并绑定事件’ wx.Frame.init(self, parent, id, title) self.SetSize(size) self.Center() self.serverAddressLabel = wx.StaticText(self, label = “Server Address”, pos = (10, 50), size = (120, 25)) self.userNameLabel = wx.StaticText(self, label = “UserName”, pos = (40, 100), size = (120, 25)) self.serverAddress = wx.TextCtrl(self,-1,’127.0.0.1:6666’, pos = (120, 47), size = (150, 25)) self.userName = wx.TextCtrl(self,-1,’abc’, pos = (120, 97), size = (150, 25)) self.loginButton = wx.Button(self, label = ‘Login’, pos = (80, 145), size = (130, 30)) self.loginButton.Bind(wx.EVT_BUTTON, self.login) self.Show() def login(self, event): ‘登录处理’ try: serverAddress = self.serverAddress.GetLineText(0).split(‘:’) con.open(serverAddress[0], port = int(serverAddress[1]), timeout = 10) response = con.read_some() if response != ‘Connect Success’: self.showDialog(‘Error’, ‘Connect Fail!’, (95, 20)) return con.write(‘login ‘ + str(self.userName.GetLineText(0)) + ‘|’) response = con.read_some() if response == ‘UserName Empty’: self.showDialog(‘Error’, ‘UserName Empty!’, (135, 20)) elif response == ‘UserName Exist’: self.showDialog(‘Error’, ‘UserName Exist!’, (135, 20)) else: self.Close() ChatFrame(None, -1, title = ‘David Chat Client’, size = (550, 450)) except Exception: self.showDialog(‘Error’, ‘Connect Fail!’, (95, 20)) def showDialog(self, title, content, size): ‘显示错误信息对话框’ dialog = wx.Dialog(self, title = title, size = size) dialog.Center() wx.StaticText(dialog, label = content) dialog.ShowModal() class ChatFrame(wx.Frame): “”” 聊天窗口 “”” def init(self, parent, id, title, size): ‘初始化，添加控件并绑定事件’ wx.Frame.init(self, parent, id, title, size) print ‘CF’ self.SetSize(size) self.Center() self.chatFrame = wx.TextCtrl(self, pos = (5, 5), size = (490, 310), style = wx.TE_MULTILINE | wx.TE_READONLY) self.message = wx.TextCtrl(self, pos = (5, 320), size = (300, 25)) self.sendButton = wx.Button(self, label = “Send”, pos = (310, 320), size = (58, 25)) self.usersButton = wx.Button(self, label = “Users”, pos = (373, 320), size = (58, 25)) self.closeButton = wx.Button(self, label = “Close”, pos = (436, 320), size = (58, 25)) self.sendButton.Bind(wx.EVT_BUTTON, self.send) self.usersButton.Bind(wx.EVT_BUTTON, self.lookUsers) self.closeButton.Bind(wx.EVT_BUTTON, self.close) thread.start_new_thread(self.receive, ()) self.Show() def send(self, event): ‘发送消息’ message = str(self.message.GetLineText(0)).strip() if message != ‘’: con.write(‘say ‘ + message + ‘ \n|’) self.message.Clear() def lookUsers(self, event): ‘查看当前在线用户’ con.write(‘look \n|’) def close(self, event): ‘关闭窗口’ con.write(‘logout \n|’) con.close() self.Close() def receive(self): ‘接受服务器的消息’ while True: sleep(0.6) result = con.read_very_eager() if result != ‘’: self.chatFrame.AppendText(result) ‘程序运行’ if name == ‘main’: app = wx.App() con = telnetlib.Telnet() LoginFrame(None, -1, title = “Login”, size = (280, 200)) app.MainLoop()