socket 编程 connect ()的问题求教！

[swen96]

本人在AIX写了段SOCKET SERVER程序，运行之后，察看了端口状态为LISTEN，server端程序也运行到了accept()了，但client死活都连不上去，提示“Connection refused”，用telnet也测试了服务端口，同样是“Connection refused”，有哪位高手碰到过类似的这种情况吗？告诉我一下解决的办法，不胜感激！被折磨的快崩溃了...... 帮帮我！

[swen96]

确认没有firewall，感谢各位的回复！问题依然没有解决...

[playmud]

代码呢

[swen96]

问题解决了！原来是路由限制了端口，因为开发机放在外网上！谢谢各位！结贴，怎么给分呀？我都不知道呢

[mikeandmore]

可怜，可怜，我在学ace。。。

[mikeandmore]

自己对吧。。。



/*
* A test for anaylise the HTTP
* @author Mike
*/

#include <iostream>
#include <cerrno>
#include <cstdlib>
#include <unistd.h>

#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <netdb.h>

#define PORT 8081
#define MAXMSG 512
#define MAXQUE 3

using namespace std;

int sock = 0;

void* DoResponse(void* data)
{
char* buffer = new char[MAXMSG];
int nbyte = MAXMSG;
int client = int(data);
cout << "==============================================" << endl;
do
{
nbyte = read(client, buffer, MAXMSG);
cout << buffer;
}while(nbyte > 0);
delete buffer;
}

void CreateThread(int client)
{
pthread_t pid;
int ret = pthread_create(&pid, NULL, &DoResponse, (void*)client);
if(ret != 0)
{
cout << "Thread Creation Error\n";
return;
}
}

int main(int argc,char* argv[])
{
sockaddr_in name;
sockaddr_in clientname;

sock = socket(PF_INET, SOCK_STREAM, 0);
if(!sock)
cout << "Error when Creating Server Socket.\n";

name.sin_family = AF_INET;
name.sin_port = htons(PORT);
name.sin_addr.s_addr = htonl(INADDR_ANY);

if(bind(sock, (const sockaddr*)&name, sizeof(name)) == -1)
cout << "Error when Binding Server Socket.\n";

if(listen(sock, MAXQUE) == -1)
cout << "Error when Listening.\n";

while(true)
{
fd_set fd;
FD_ZERO(&fd);
FD_SET(sock, &fd);
if(select(FD_SETSIZE, &fd, NULL, NULL, NULL) == -1)
cout << "Selecting Error\n";

socklen_t size;
int client_sock = accept(sock, (sockaddr*)&clientname, &size);
if(client_sock == -1)
{
cout << "Error when Accepting.\n";
continue;
}
CreateThread(client_sock);
}

cout << "Server Exiting...\n";

return 0;
}

[xfzhao_cn]

首先确认firewall没有启动，然后在client端抓包分析是否握手的数据正确的