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我有兩個網絡接口安裝在客戶端系統接口一個IP爲192.168.3.1,接口2爲IP 192.168.5.1,我想連接到具有IP 192.168的遠程系統。 5.7但連接不成立。當我禁用網絡接口192.168.3.1它會正常工作。我使用下面的代碼客戶端的兩個網絡接口沒有連接套接字
#include "windows.h"
#include "stdio.h"
#include "conio.h"
#include "winsock2.h"
bool Connect(const char *addr_name, int port)
{
int ErrorCode=0;
SOCKET Socket;
::WSAData wsa_data;
ErrorCode = ::WSAStartup(MAKEWORD(1, 1), &wsa_data);
if(ErrorCode != 0)
return ErrorCode;
// Get binary address to connect to
u_long addr = inet_addr(addr_name);
if (addr == INADDR_NONE)
ErrorCode=1;
else
{
// Allocate socket
Socket = ::socket(AF_INET, SOCK_STREAM, 0);
if (Socket == INVALID_SOCKET)
ErrorCode = ::WSAGetLastError();
else
{
// Set up sockaddr_in for connect
sockaddr_in sin;
memset(&sin, 0, sizeof(sin));
sin.sin_family = AF_INET;
sin.sin_port = ::htons((u_short)port);
sin.sin_addr.s_addr = addr;
// Connect the socket to the address
if (::connect(Socket, (sockaddr*) &sin, sizeof(sin)) == SOCKET_ERROR)
{
ErrorCode = ::WSAGetLastError();
::closesocket(Socket);
Socket = INVALID_SOCKET;
}
}
}
return ErrorCode == 0;
}
void main(int argc,char** argv)
{
Connect("192.168.5.7",1258);
}
你可以發佈涉及的每個接口的子網掩碼嗎? – 2010-07-29 11:11:48
Frank可能是正確的 - 路由表中的「192.168/16」可以匹配兩個IP,但只能匹配一個接口。 – 2010-07-29 15:26:43