Databases
StackOverflow2013
Postsdbo
POCFRunLoopRun() problem
Body
 

Note that there are some explanatory texts on larger screens.

plurals
  1. POCFRunLoopRun() problem
    text
    copied!<p>i had a problem on CFRunLoopRun()</p> <p>and here is the code after clicking the button , it Stops in CFRunLoopRun() method for some time , can any one help me wat to do next...........</p> <p>AND my MAIN Problem IS i Have to Connect With BOCA printer USing IP Address and Port Number , and I had Done Up to Sending Messages to The BOCA, but My problem how can i get return response , or how can i Know that i was connected to Printer , And the printing message should be send when my system and BOCA printer Should connect one NETWork Connection ........ </p> <p>-(IBAction)ConnectButtonPressed</p> <p>{ if(isPrinterConnected == FALSE)</p> <p>{ char print[] = "print"; /* Build our socket context; this ties the joke to the socket */ CFSocketContext CTX = { 0, print, NULL, NULL, NULL };</p> <pre><code>/* Create the server socket as a TCP IPv4 socket and set a callback */ /* for calls to the socket's lower-level connect() function */ TCPClient = CFSocketCreate(NULL, PF_INET, SOCK_STREAM, IPPROTO_TCP, kCFSocketConnectCallBack, (CFSocketCallBack)ConnectCallBack, &amp;CTX); if (TCPClient == NULL) { } else{ /* Set the port and address we want to listen on */ struct sockaddr_in addr; memset(&amp;addr, 0, sizeof(addr)); addr.sin_len = sizeof(addr); addr.sin_family = AF_INET; addr.sin_port = htons(PORT); //addr. //addr.sin_addr.s_addr = INADDR_ANY; addr.sin_addr.s_addr = htonl((((((10 &lt;&lt; 8) | 0) &lt;&lt; 8) | 0) &lt;&lt; 8) | 204); CFDataRef connectAddr = CFDataCreate(NULL, (unsigned char *)&amp;addr, sizeof(addr)); CFSocketConnectToAddress(TCPClient, connectAddr, -1); CFRunLoopSourceRef sourceRef = CFSocketCreateRunLoopSource(kCFAllocatorDefault, TCPClient, 0); CFRunLoopAddSource(CFRunLoopGetCurrent(), sourceRef, kCFRunLoopCommonModes); CFRelease(sourceRef); CFRunLoopRun(); NSLog(@"next line "); //isPrinterConnected = TRUE; //[connect setTitle: @"Disconnect" forState: UIControlStateNormal]; } }else </code></pre> <p>{ close(sock); isPrinterConnected = FALSE; [myButton setTitle: @"Connect" forState: UIControlStateNormal]; }</p> <p>}</p>
 

Querying!

 
Guidance
An individual column

Larger individual text columns get their own page to allow for proper reading.

SQuiL has stopped working due to an internal error.

If you are curious you may find further information in the browser console, which is accessible through the devtools (F12).

Reload