崩溃，我实在是不知道，这是哪里出错了！！
这是我做的一个TCP协议的简单的网络客户端，和服务器端程序。
但是在本地可以运行，但在网络上的两台机子，却无法连接。？？？
我都找了好久原因了，究竟是哪里啊啊啊。
using System;
using System.Collections.Generic;
using System.Text;
using System.Net.Sockets;
using System.IO;
using System.Net;
namespace Client
{
class CNTrans
{
/// <summary>
/// 服务器IP
/// </summary>
private static string cServerIP;
/// <summary>
/// 发送或接收流的大小
/// </summary>
private static int cDataSize;
/// <summary>
/// 端口
/// </summary>
private static int cPort;
/// <param name="serverIP">服务器的IP</param>
/// <param name="datasize">发送或接收流的大小</param>
/// <param name="port">端口号</param>
public void cSet_ADDR(string serverIP, int datasize, int port)
{
cServerIP = serverIP;
cDataSize = datasize;
cPort = port;
}
/// <summary>
/// 发送消息
/// </summary>
/// <param name="message">要发送的消息</param>
public void cSend_MSG(string message)
{
TcpClient client = new TcpClient();
client.Connect(cServerIP,cPort);
NetworkStream clientStream = client.GetStream();
byte[] requestBuffer = Encoding.GetEncoding("UTF-8").GetBytes(message);
clientStream.Write(requestBuffer, 0, requestBuffer.Length);
clientStream.Close();
client.Close();
}
/// <summary>
/// 接收消息，返回消息值
/// </summary>
public string cRecv_MSG()
{
TcpClient client = new TcpClient();
client.Connect(cServerIP,cPort);
NetworkStream clientStream = client.GetStream();
int bufferSize = cDataSize;
byte[] responseBuffer = new byte[bufferSize];
MemoryStream memStream = new MemoryStream();
int bytesRead = 0;
do
{
bytesRead = clientStream.Read(responseBuffer, 0, bufferSize);
memStream.Write(responseBuffer, 0, bytesRead);
} while (bytesRead > 0);
clientStream.Close();
client.Close();
return Encoding.GetEncoding("UTF-8").GetString(responseBuffer);
}
/// <summary>
/// 发送文件
/// </summary>
/// <param name="filePath_assend">发送的文件的路径</param>
public void cSend_File(string filePath_assend)
{
throw new System.NotImplementedException();
}
/// <summary>
/// 接收文件，保存到路径上
/// </summary>
/// <param name="filePath_assave">路径，将读取到的文件保存此路径。</param>
public void cRecv_File(string filePath_assave)
{
throw new System.NotImplementedException();
}
/// <summary>
/// 解析域名IP
/// </summary>
public string Get_DNS()
{
return Dns.GetHostAddresses("kv2010312.gicp.net")[0].ToString();
}
}
}
using System;
using System.Collections.Generic;
using System.Text;
namespace Client
{
class cProgram
{
static void Main(string[] args)
{
CNTrans cnt = new CNTrans();
cnt.cSet_ADDR(cnt.Get_DNS(), 1024, 4444);
cnt.cSend_MSG("来自客户端的消息");
Console.WriteLine(cnt.cRecv_MSG());
Console.ReadKey();
}
}
}
服务器端：
using System;
using System.Collections.Generic;
using System.Text;
using System.Net.Sockets;
using System.Net;
namespace Server
{
class SNTrans
{
/// <summary>
/// 端口
/// </summary>
private static int sPort;
/// <summary>
/// 发送流的大小
/// </summary>
private static int sDataSize;
/// <summary>
/// 设置服务器属性
/// </summary>
/// <param name="sport">开放的端口号</param>
/// <param name="sdatasize">接收发送的流的大小</param>
public void sSet_ADDR(int sport, int sdatasize)
{
sPort = sport;
sDataSize = sdatasize;
}
/// <summary>
/// 接收消息，并返回
/// </summary>
public TcpListener Listener;
public void start()
{
Listener = new TcpListener(IPAddress.Any, sPort);
Listener.Start();
}
/// <summary>
/// 发送消息
/// </summary>
public string sRecv_MSG()
{
Listener.Start();
while (true)
{
//int bufferSize = sPort;//error!!!!!!!!!!!!!!!!!!!!!!!!!!!
int bufferSize = sDataSize;
TcpClient client = Listener.AcceptTcpClient();
NetworkStream clientStream = client.GetStream();
byte[] buffer = new byte[bufferSize];
int readBytes = 0;
readBytes = clientStream.Read(buffer, 0, bufferSize);
clientStream.Close();
return Encoding.GetEncoding("UTF-8").GetString(buffer);
}
}
/// <summary>
/// 接收消息，并返回。
/// </summary>
public bool sSend_MSG(string message)
{
int bufferSize = sDataSize;
TcpClient client = Listener.AcceptTcpClient();
NetworkStream clientStream = client.GetStream();
byte[] buffer = new byte[bufferSize];
string request = Encoding.GetEncoding("UTF-8").GetString(buffer);
byte[] s = Encoding.GetEncoding("UTF-8").GetBytes(message);
clientStream.Write(s, 0, s.Length);
clientStream.Close();
return true;
}
/// <summary>
/// 接收并保存文件
/// </summary>
/// <param name="filePath_ofsave">保存文件的路径</param>
public void sRecv_File(string filePath_ofsave)
{
throw new System.NotImplementedException();
}
/// <summary>
/// 发送文件
/// </summary>
/// <param name="filePath_ofsend">发送的文件的路径</param>
public void sSend_File(string filePath_ofsend)
{
throw new System.NotImplementedException();
}
/// <summary>
/// 解析域名IP
/// </summary>
public string Get_DNS()
{
return Dns.GetHostAddresses("kv2010312.gicp.net")[0].ToString();
}
}
}
using System;
using System.Collections.Generic;
using System.Text;
namespace Server
{
class sProgram
{
static void Main(string[] args)
{
SNTrans snt = new SNTrans();
Console.WriteLine(snt.Get_DNS());
snt.sSet_ADDR(4444, 1024);
snt.start();
Console.WriteLine(snt.sRecv_MSG());
snt.sSend_MSG("来至服务器的消息");
Console.ReadKey();
}
}
}
各位高手，请你们告诉小弟，这是哪里出错了，为什么不能在两台机子上运行。
--------------------编程问答--------------------
是什么错误?如果是连接错误,检查一下两台机器的防火墙设置.
--------------------编程问答--------------------
好好学习，天天向上...
补充：.NET技术 , C#
