Question

I dont understand whats happening. If I create a socket to anywhere else other than localhost (either "localhost", "127.0.0.1" or the external ip of the machine) it works fine. If I create a socket to an address without something listening in that port i would get a 10060 (timeout) but not a 10061 which makes sense. Why is it that I am getting connection refused when going to localhost. I tried disabling the firewall just in case it was messing things up, but that is not it

我在这样做之前,尽了一切力量。

    _socketToServer = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
    if(_socketToServer == -1){
    return false;
    }

   p_int = (int*)malloc(sizeof(int));
   *p_int = 1;
   if( (setsockopt(_socketToServer, SOL_SOCKET, SO_REUSEADDR, 
       (char*)p_int, sizeof(int)) == -1 )||
       (setsockopt(_socketToServer, SOL_SOCKET, SO_KEEPALIVE, (char*)p_int,
               sizeof(int)) == -1 ) ){
        free(p_int);
        return false;
   }
   free(p_int);


   struct sockaddr_in my_addr;

   my_addr.sin_family = AF_INET ;
   my_addr.sin_port = htons(_serverPort);

   memset(&(my_addr.sin_zero), 0, 8);
   my_addr.sin_addr.s_addr = inet_addr(_serverIP);


   if( connect( _socketToServer, (struct sockaddr*)&my_addr, sizeof(my_addr)) 
        == SOCKET_ERROR ){
    DWORD error = GetLastError(); //here is where I get the 10061
    return false;
}

任何想法?

Answer 1

在连接另一台机器上的非上市港口时,不能保证你有<条码>WSAETIMEDOUT/code>的错误。任何不同的错误都会发生。然而,WSAETIMEDOUT的差错通常只有在下列情况下才会发生:在<代码>连接(前不能在网络上达到目标机。如果能够达到目标机器,WSAECONNREFUSED的差错是指目标机器正在承认<代码>()的要求,并回答说,请求的港口当时无法接受这一联系,因为它不是听的,也不是全部积压(无法区分)。因此,当你与当地东道方联系时,由于你与同一机器相联,因此在连接不列入名单的港口时,你总是会遇到“的错误,在确定港口的听力方面也没有延误。它与防火墙或防疟疾无关。这只是正常的行为。

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