[C++] Failsafe Winsock connection

[netik]

Hello
I'm trying to make my Client failsafe - meaning, that should not Crash under any circumstances....so, if something goes wrong, he should just try to reconnect.

memset(&addr, 0, sizeof(SOCKADDR_IN));
addr.sin_family = AF_INET;
addr.sin_port = htons(12345);
addr.sin_addr.s_addr = inet_addr("127.0.0.1");

rc = startWinsock();

if (rc != 0) {
      cout << "Error: startWinsock, Error code: " << rc << endl;
      return 1;
}

while (rc == 0 || rc == SOCKET_ERROR || rc == 4){
      s = socket(AF_INET, SOCK_STREAM, 0);
      if (s == INVALID_SOCKET){
            cout << "Error: Couldn't create socket, code: " << WSAGetLastError() << endl;
            return 1;
      }
      
      rc = connect(s, (SOCKADDR*)&addr, sizeof(SOCKADDR)); 
      
      if (rc == SOCKET_ERROR)
      {
             cout << "Connection failed with code " << WSAGetLastError() << endl;
             Sleep(1000);
       }else{
              // Connection established

              while (true)
              {
                   //recv and do stuff
                   rc = recv(s, buff, 512, 0);
                   if (rc == SOCKET_ERROR)
                        break;                   
              }
       }
     closesocket(s);
     Sleep(1000);

}

The connection is working and if I close the server, it loses the connection and tries to reconnect, which is good. However, I'm not sure if the way I did it was right. Any improvements?

Then the main question: What else can go wrong? How do I make sure, that if anything happens in the recv Loop, it will just quit and reconnect and start from beginning?

[novacain]

Add some exception handling and process known errors?

Is this a state machine? (ie will know if it fails to return to the 'connection' state, from the 'reading' state)?