PAGEPAGE1西安理工大學(xué)高科學(xué)院TCP\UDP程序開發(fā)實(shí)驗(yàn)報(bào)告姓名：專業(yè)：信息系統(tǒng)與信息管理班級(jí)：學(xué)號(hào)：日期：1：實(shí)驗(yàn)題目：基于UDP\TCP的聊天程序開發(fā)2：實(shí)驗(yàn)?zāi)康模洪_發(fā)TCP\UDP協(xié)議應(yīng)用程序，掌握網(wǎng)絡(luò)應(yīng)用程序的工作原理。通過(guò)本實(shí)驗(yàn)，深入理解TCP和UDP協(xié)議的異同點(diǎn)，了解網(wǎng)絡(luò)協(xié)議的工作過(guò)程，學(xué)會(huì)網(wǎng)絡(luò)通訊編程的基本方法，能夠編制網(wǎng)絡(luò)應(yīng)用程序。3.實(shí)驗(yàn)報(bào)告內(nèi)容：（實(shí)驗(yàn)程序與注解如下）namespaceChatClient{usingSystem;usingSystem.Net;usingSystem.Net.Sockets;usingSystem.Threading;usingSystem.Text;publicclassClass1{//UDPClient對(duì)象privatestaticUdpClientm_Client;//本地和遠(yuǎn)程端口privatestaticintLocalPort=8080;privatestaticintRemotePort=8080;//本地主機(jī)名稱privatestaticstringm_szHostName;//廣播組地址privatestaticIPAddressm_GroupAddress;//遠(yuǎn)程廣播組端privatestaticIPEndPointm_RemoteEP;//跟蹤用戶是否退出程序privatestaticboolm_Done=false;//顯示使用方法publicstaticvoidUsage(){Console.WriteLine("UDPMulticastChatUtility");Console.WriteLine("\nUsage:");Console.WriteLine("chat.exe");}publicstaticvoidInitialize(){//初始化UDPClient對(duì)象m_Client=newUdpClient(LocalPort);//創(chuàng)建多目標(biāo)廣播組對(duì)象m_GroupAddress=IPAddress.Broadcast;//加入組m_Client.JoinMulticastGroup(m_GroupAddress);//創(chuàng)建遠(yuǎn)程廣播組端m_RemoteEP=newIPEndPoint(m_GroupAddress,RemotePort);}publicstaticvoidTerminate(){//退出廣播組m_Client.DropMulticastGroup(m_GroupAddress);}publicstaticvoidListener(){//確保主線程開始接受用戶輸入Thread.Sleep(2000);//ASCII編碼EncodingASCII=Encoding.ASCII;//循環(huán)中不斷接受數(shù)據(jù)while(!m_Done){IPEndPointendpoint=null;//接受數(shù)據(jù)Byte[]data=m_Client.Receive(refendpoint);//得到數(shù)據(jù)的ASCII字符串形式StringstrData=ASCII.GetString(data);//如果包含:@if(strData.IndexOf(":@")>0){//先檢查這個(gè)結(jié)束消息是否來(lái)自主線程還是來(lái)自其他聊天客戶Char[]separators={':'};String[]vars=strData.Split(separators);//如果是本地機(jī)器if(vars[0]==m_szHostName){//結(jié)束線程Console.WriteLine("shuttingdownListenerthread...");//在這種情況下主線程已經(jīng)把m_Done設(shè)為true，//這里為了保險(xiǎn)起見，再次設(shè)置m_Done為truem_Done=true;}else{//顯示消息，某個(gè)聊天客戶已經(jīng)離開Console.WriteLine("{0}haslefttheconversation",vars[0]);}}else{//如果這是一條聊天消息，則檢查是否來(lái)自//本地機(jī)器，如果不是，則顯示這條消息if(strData.IndexOf(":")>0){Char[]separators={':'};String[]vars=strData.Split(separators);if(vars[0]!=m_szHostName){Console.WriteLine(strData);}}}}Console.WriteLine("Listenerthreadfinished...");return;}publicstaticintMain(String[]args){if(args.Length>0){//顯示使用方法信息Usage();return1;}//得到主機(jī)名稱和地址//m_szHostName=Dns.GetHostName();IT超人m_szHostName="";//初始化Console.WriteLine("Initializing...");Initialize();//開始監(jiān)聽線程Console.WriteLine("StartingListenerthread...");Threadt=newThread(newThreadStart(Listener));t.Start();//發(fā)送數(shù)據(jù)使用的緩沖區(qū)Byte[]buffer=null;//編碼格式EncodingASCII=Encoding.ASCII;//記錄用戶是否按下“@”鍵boolm_ShuttingDown=false;//循環(huán)語(yǔ)句中讀取用戶的輸入并發(fā)送消息while(!m_ShuttingDown){Strings=Console.ReadLine();//沒(méi)有輸入繼續(xù)循環(huán)if(s.Length==0)continue;//如果第一個(gè)字母為@，則推出循環(huán)if(String.Compare(s,0,"@",0,1)==0){//停止監(jiān)聽線程中的循環(huán)m_Done=true;//向其他客戶發(fā)送結(jié)束消息s=m_szHostName+":@";m_ShuttingDown=true;}else{s=m_szHostName+":"+s;}//分配發(fā)送緩沖區(qū)空間buffer=newByte[s.Length+1];//把字符串內(nèi)容以ASCII編碼格式放入發(fā)送緩沖區(qū)中intlen=ASCII.GetBytes(s.ToCharArray(),0,s.Length,buffer,0);//發(fā)送消息intecode=m_Client.Send(buffer,len,m_RemoteEP);//發(fā)送失敗if(ecode<=0){Console.WriteLine("Errorinsend:"+ecode);}}//結(jié)束監(jiān)聽線程t.Abort();t.Join();namespaceChatClient{usingSystem;usingSystem.Net;usingSystem.Net.Sockets;usingSystem.Threading;usingSystem.Text;publicclassClass1{//UDPClient對(duì)象privatestaticUdpClientm_Client;//本地和遠(yuǎn)程端口privatestaticintLocalPort=8080;privatestaticintRemotePort=8080;//本地主機(jī)名稱privatestaticstringm_szHostName;//廣播組地址privatestaticIPAddressm_GroupAddress;//遠(yuǎn)程廣播組端privatestaticIPEndPointm_RemoteEP;//跟蹤用戶是否退出程序privatestaticboolm_Done=false;//顯示使用方法publicstaticvoidUsage(){Console.WriteLine("UDPMulticastChatUtility");Console.WriteLine("\nUsage:");Console.WriteLine("chat.exe");}publicstaticvoidInitialize(){//初始化UDPClient對(duì)象m_Client=newUdpClient(LocalPort);//創(chuàng)建多目標(biāo)廣播組對(duì)象m_GroupAddress=IPAddress.Broadcast;//加入組m_Client.JoinMulticastGroup(m_GroupAddress);//創(chuàng)建遠(yuǎn)程廣播組端m_RemoteEP=newIPEndPoint(m_GroupAddress,RemotePort);}publicstaticvoidTerminate(){//退出廣播組m_Client.DropMulticastGroup(m_GroupAddress);}publicstaticvoidListener(){//確保主線程接受用戶輸入Thread.Sleep(2000);//ASCII編碼EncodingASCII=Encoding.ASCII;//循環(huán)中不斷接受數(shù)據(jù)while(!m_Done){IPEndPointendpoint=null;//接受數(shù)據(jù)Byte[]data=m_Client.Receive(refendpoint);//得到數(shù)據(jù)的ASCII字符串StringstrData=ASCII.GetString(data);//如果包含:@if(strData.IndexOf(":@")>0){//先檢查這個(gè)結(jié)束消息是否來(lái)自主線程還是來(lái)自其他聊天客戶Char[]separators={':'};String[]vars=strData.Split(separators);//如果是本地機(jī)器if(vars[0]==m_szHostName){//結(jié)束線程Console.WriteLine("shuttingdownListenerthread...");//在這種情況下主線程已經(jīng)把m_Done設(shè)為true，//這里為了保險(xiǎn)起見，再次設(shè)置m_Done為truem_Done=true;}else{//顯示消息，某個(gè)客戶已下線Console.WriteLine("{0}haslefttheconversation",vars[0]);}}else{//如果這是一條聊天消息，則檢查是否來(lái)自//本地機(jī)器，如果不是，則顯示這條消息if(strData.IndexOf(":")>0){Char[]separators={':'};String[]vars=strData.Split(separators);if(vars[0]!=m_szHostName){Console.WriteLine(strData);}}}}Console.WriteLine("Listenerthreadfinished...");return;}publicstaticintMain(String[]args){if(args.Length>0){//顯示使用方法信息Usage();return1;}//得到主機(jī)名稱和地址//m_szHostName=Dns.GetHostName();123m_szHostName="";//初始化Console.WriteLine("Initializing...");Initialize();//開始監(jiān)聽Console.WriteLine("StartingListenerthread...");Threadt=newThread(newThreadStart(Listener));t.Start();//發(fā)送數(shù)據(jù)使用的緩沖區(qū)Byte[]buffer=null;//編碼格式EncodingASCII=Encoding.ASCII;//記錄用戶是否按下“@”鍵boolm_ShuttingDown=false;//循環(huán)語(yǔ)句中讀取用戶的輸入并發(fā)送消息while(!m_ShuttingDown){Strings=Console.ReadLine();//沒(méi)有輸入繼續(xù)循環(huán)if(s.Length==0)continue;//如果第一個(gè)字母為@，則推出循環(huán)