using?System;
using?System.IO;
using?System.Net.Sockets;
using?System.Threading;

namespace?FileSocket
{
????public?class?Client
????{
????????private?int?_bufferSize?=?1024?*?1024;?????????//緩存大小
????????private?string?_rndname;
????????private?TcpClient?_tcpclient;???????????????????????//Socket鏈接對象
????????private?string?_serveraddress?=?“192.168.1.106“;????//服務器地址
????????private?int?_serverport?=?8000;?????????????????????//服務器端口
????????private?NetworkStream?_networkstream;
????????private?long?_filesize?=?0;

????????//服務器地址
????????public?string?ServerAddress
????????{
????????????set?{?_serveraddress?=?value;?}
????????????get?{?return?_serveraddress;?}
????????}

????????//服務器端口
????????public?int?ServerPort
????????{
????????????set?{?_serverport?=?value;?}
????????????get?{?return?_serverport;?}
????????}

????????///?

????????///?初始化鏈接
????????///?

????????///?返回?操作結果
????????private?bool?EstablishConnection（）
????????{
????????????try
????????????{
????????????????_rndname?=?System.Guid.NewGuid（）.ToString（）;
????????????????_tcpclient?=?new?TcpClient（_serveraddress?_serverport）;
????????????????_networkstream?=?_tcpclient.GetStream（）;
????????????????return?true;
????????????}
????????????catch?（Exception?ex）
????????????{
????????????????Console.WriteLine（ex.ToString（））;
????????????????return?false;
????????????}
????????}

????????///?

????????///?注冊鏈接
????????///?

????????///?返回?操作結果
????????private?bool?RegisterWithServer（）
????????{
????????????try
????????????{
????????????????string?s_cmd?=?“CONN|“?+?_rndname;
????????????????Byte[]?b_out?=?System.Text.Encoding.UTF8.GetBytes（s_cmd）;?????//注冊鏈接
????????????????_networkstream.Write（b_out?0?b_out.Length）;
????????????????Byte[]?b_in?=?new?Byte[_bufferSize];
????????????????int?_length?=?_networkstream.Read（b_in?0?_bufferSize）;
????????????????string?s_in?=?System.Text.Encoding.UTF8.GetString（b_in?0?_length）;??//讀取返回信息
????????????????string[]?tokens?=?s_in.Trim（）.Split（new?Char[]?{?‘|‘?}）;

????????????????if?（tokens[0]?==?“HELLO“）?return?true;??????????????????????//鏈接成功
????????????????else?return?false;
????????????}
????????????catch?（Exception?ex）
????????????{
????????????????Console.WriteLine（ex.ToString（））;
????????????????return?false;
????????????}
????????}

????????///?

????????///?退出鏈接
????????///?

????????///?返回?操作結果
????????private?bool?EndWithServer（）
????????{
????????????try
????????????{
????????????????string?s_cmd?=?“GONE|“?+?_rndname;
????????????????Byte[]?b_out?=?System.Text.Encoding.UTF8.GetBytes（s_cmd）;
????????????????_networkstream.Write（b_out?0?b_out.Length）;
????????????????Byte[]?b_in?=?new?Byte[_bufferSize];
????????????????int?_length?=?_networkstream.Read（b_in?0?_bufferSize）;
????????????????string?s_in?=?System.Text.Encoding.UTF8.Ge

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

????......R??????1296??2009-03-13?09:06??ChatServer\Client.cs

????......R?????16110??2009-03-13?21:56??ChatServer\Program.cs

?????文件??????17160??2010-05-28?10:46??Client.cs

?????目錄??????????0??2010-05-28?10:42??ChatServer

-----------?---------??----------?-----??----

????????????????34566????????????????????4