Ejemplo n.º 1
0
void handlerThread(int csockIn)
{
   int sopt = 1, csock = csockIn;
   ws_ctx_t *ws_ctx;
   bool useHixie = TRUE;

   ws_ctx = do_handshake(csock, &useHixie);
   if (ws_ctx == NULL) {
      handler_msg("No connection after handshake\n");      
   }
   else
   {
      settings.handler(ws_ctx, useHixie);
      if (pipe_error) {
         handler_emsg("Closing due to SIGPIPE\n");
      }
   }

   if (ws_ctx) {
      ws_socket_free(ws_ctx);
   } else {
      shutdown(csock, SHUT_RDWR);
      close(csock);
   }
   handler_msg("handler exit\n");    
}
Ejemplo n.º 2
0
int start_server() {
    int lsock, csock, pid, clilen, sopt = 1, i, res;
    struct sockaddr_in serv_addr, cli_addr;
    ws_ctx_t *ws_ctx;
    fd_set myset;
    struct timeval tv;


    /* Initialize buffers */
    lsock = socket(AF_INET, SOCK_STREAM, 0);
    if (lsock < 0) { error("ERROR creating listener socket"); }
    bzero((char *) &serv_addr, sizeof(serv_addr));
    serv_addr.sin_family = AF_INET;
    serv_addr.sin_port = htons(settings.listen_port);

    /* Resolve listen address */
    if (settings.listen_host && (settings.listen_host[0] != '\0')) {
        if (resolve_host(&serv_addr.sin_addr, settings.listen_host) < -1) {
            error("Could not resolve listen address");
	    return 1;
        }
    } else {
        serv_addr.sin_addr.s_addr = INADDR_ANY;
    }

    setsockopt(lsock, SOL_SOCKET, SO_REUSEADDR, (char *)&sopt, sizeof(sopt));
    if (bind(lsock, (struct sockaddr *) &serv_addr, sizeof(serv_addr)) < 0) {
        error("ERROR on binding listener socket");
	return 1;
    }
    int optval = 1;
    if (setsockopt(lsock, IPPROTO_TCP, TCP_NODELAY, &optval, sizeof(int)) < 0) {
      error("Cannot set TCP_NODELAY option on listen address");
      return 1;
    }

    listen(lsock,100);

    signal(SIGPIPE, signal_handler);  // catch pipe

    if (settings.daemon) {
      ;
      //        daemonize(lsock);
    }


    // Reep zombies
    signal(SIGCHLD, SIG_IGN);

    printf("Waiting for connections on %s:%d\n",
            settings.listen_host, settings.listen_port);


    while (websockify_loop) {
        clilen = sizeof(cli_addr);
        pipe_error = 0;
        pid = 0;

	//	if (set_non_blocking(lsock) != 0) {
	//	  return;
	//	}
	// Set Accept socket to non blocking to allow to cancel
	// requests

	while (websockify_loop) {
	  tv.tv_sec = 0;
	  tv.tv_usec = 200000;
	  FD_ZERO(&myset);
	  FD_SET(lsock, &myset);
	  res = select(lsock+1, &myset, NULL, NULL, &tv);
	  /* EINTR */
	  if (res < 0 && errno == EINTR) {
	    continue;
	  }
	  if (res < 0) {
	    perror("select");
	    return 1;
	  }
	  if (res > 0) {
	    break;
	  }
	}
	if (!websockify_loop) {
	  fprintf(stderr, "Ending loop before accept\n");
	  return 0;
	}
	csock = accept(lsock, 
		       (struct sockaddr *) &cli_addr, 
		       &clilen);
	
	fprintf(stderr, "After accept\n");
	if (csock < 0) {
	  error("ERROR on accept");
	  continue;
	}
        handler_msg("got client connection from %s\n",
                    inet_ntoa(cli_addr.sin_addr));

	//	if (set_blocking(lsock) != 0) {
	//	  return;
	//	}

        if (!settings.run_once) {
            handler_msg("forking handler process not supported. Abort\n");
	    abort();
	    //            pid = fork();
        }

        if (pid == 0) {  // handler process
            ws_ctx = do_handshake(csock);
            if (settings.run_once) {
                    // Successful connection, stop listening for new
                    // connections
                    close(lsock);
	    }
            if (ws_ctx == NULL) {
                handler_msg("No connection after handshake\n");
                break;   // Child process exits
            }

            settings.handler(ws_ctx);
            if (pipe_error) {
                handler_emsg("Closing due to SIGPIPE\n");
            }
            break;   // Child process exits
        } else {         // parent process
            settings.handler_id += 1;
        }
    }
    if (pid == 0) {
        if (ws_ctx) {
            ws_socket_free(ws_ctx);
            free_ws_ctx(ws_ctx);
        } else {
            shutdown(csock, SHUT_RDWR);
            close(csock);
        }
        handler_msg("handler exit\n");
    } else {
        handler_msg("websockify exit\n");
    }

    return 0;
}
Ejemplo n.º 3
0
void start_server() {
    int lsock, csock, pid, clilen, sopt = 1, i;
    struct sockaddr_in serv_addr, cli_addr;
    ws_ctx_t *ws_ctx;


    /* Initialize buffers */
    lsock = socket(AF_INET, SOCK_STREAM, 0);
    if (lsock < 0) { error("ERROR creating listener socket"); }
    bzero((char *) &serv_addr, sizeof(serv_addr));
    serv_addr.sin_family = AF_INET;
    serv_addr.sin_port = htons(settings.listen_port);

    /* Resolve listen address */
    if (settings.listen_host && (settings.listen_host[0] != '\0')) {
        if (resolve_host(&serv_addr.sin_addr, settings.listen_host) < -1) {
            fatal("Could not resolve listen address");
        }
    } else {
        serv_addr.sin_addr.s_addr = INADDR_ANY;
    }

    setsockopt(lsock, SOL_SOCKET, SO_REUSEADDR, (char *)&sopt, sizeof(sopt));
    if (bind(lsock, (struct sockaddr *) &serv_addr, sizeof(serv_addr)) < 0) {
        fatal("ERROR on binding listener socket");
    }
    listen(lsock,100);

    signal(SIGPIPE, signal_handler);  // catch pipe

    if (settings.daemon) {
        daemonize(lsock);
    }


    // Reep zombies
    signal(SIGCHLD, SIG_IGN);

    printf("Waiting for connections on %s:%d\n",
            settings.listen_host, settings.listen_port);

    while (1) {
        clilen = sizeof(cli_addr);
        pipe_error = 0;
        pid = 0;
        csock = accept(lsock, 
                       (struct sockaddr *) &cli_addr, 
                       &clilen);
        if (csock < 0) {
            error("ERROR on accept");
            continue;
        }
        handler_msg("got client connection from %s\n",
                    inet_ntoa(cli_addr.sin_addr));

        if (!settings.run_once) {
            handler_msg("forking handler process\n");
            pid = fork();
        }

        if (pid == 0) {  // handler process
            ws_ctx = do_handshake(csock);
            if (settings.run_once) {
                if (ws_ctx == NULL) {
                    // Not a real WebSocket connection
                    continue;
                } else {
                    // Successful connection, stop listening for new
                    // connections
                    close(lsock);
                }
            }
            if (ws_ctx == NULL) {
                handler_msg("No connection after handshake\n");
                break;   // Child process exits
            }

            settings.handler(ws_ctx);
            if (pipe_error) {
                handler_emsg("Closing due to SIGPIPE\n");
            }
            break;   // Child process exits
        } else {         // parent process
            settings.handler_id += 1;
        }
    }
    if (pid == 0) {
        if (ws_ctx) {
            ws_socket_free(ws_ctx);
            free_ws_ctx(ws_ctx);
        } else {
            shutdown(csock, SHUT_RDWR);
            close(csock);
        }
        handler_msg("handler exit\n");
    } else {
        handler_msg("websockify exit\n");
    }

}
Ejemplo n.º 4
0
void start_server() {
   int lsock, csock, pid, clilen, sopt = 1, threadId;
   struct sockaddr_in serv_addr, cli_addr;
   ws_ctx_t *ws_ctx;
#ifdef WIN32
   WSADATA    winsockdata;		/* WinSock data */
#endif /* WIN32 */

   /* Initialize buffers */
   bufsize = 65536;
   if (! (tbuf = (char *)malloc(bufsize)) )
   { fatal("malloc()"); }
   if (! (cbuf = (char *)malloc(bufsize)) )
   { fatal("malloc()"); }
   if (! (tbuf_tmp = (char *)malloc(bufsize)) )
   { fatal("malloc()"); }
   if (! (cbuf_tmp = (char *)malloc(bufsize)) )
   { fatal("malloc()"); }

   WSAStartup(MAKEWORD(2,2), &winsockdata);
   lsock = socket(AF_INET, SOCK_STREAM, 0);
   if (lsock < 0) 
   { 
      error("ERROR creating listener socket"); 
      printf("Error code %d when opening a socket", WSAGetLastError());
   }
   bzero((char *) &serv_addr, sizeof(serv_addr));
   serv_addr.sin_family = AF_INET;
   serv_addr.sin_port = htons(settings.listen_port);

   /* Resolve listen address */
   if (settings.listen_host && (settings.listen_host[0] != '\0')) {
      if (resolve_host(&serv_addr.sin_addr, settings.listen_host) < -1) {
         fatal("Could not resolve listen address");
      }
   } else {
      serv_addr.sin_addr.s_addr = INADDR_ANY;
   }

   setsockopt(lsock, SOL_SOCKET, SO_REUSEADDR, (char *)&sopt, sizeof(sopt));
   if (bind(lsock, (struct sockaddr *) &serv_addr, sizeof(serv_addr)) < 0) {
      fatal("ERROR on binding listener socket");
   }
   listen(lsock,100);

   signal(SIGPIPE, NULL);  // catch pipe

#ifndef WINCE
   if (settings.daemon) {
      daemonize(lsock);
   }
#endif

   // Reep zombies
   signal(SIGCHLD, SIG_IGN);

   printf("Waiting for connections on %s:%d\n",
      settings.listen_host, settings.listen_port);

   while (1) {
      clilen = sizeof(cli_addr);
      pipe_error = 0;
      pid = 0;
      csock = accept(lsock, 
         (struct sockaddr *) &cli_addr, 
         &clilen);
      if (csock < 0) {
         error("ERROR on accept");
         printf("Error on accept error number %d", WSAGetLastError());
         continue;
      }
      handler_msg("got client connection from %s\n",
         inet_ntoa(cli_addr.sin_addr));
      /* base64 is 4 bytes for every 3
      *    20 for WS '\x00' / '\xff' and good measure  */
      dbufsize = (bufsize * 3)/4 - 20;

      handler_msg("forking handler process\n");
      CreateThread(NULL, 0, (LPTHREAD_START_ROUTINE)&handlerThread, (LPVOID)csock, 0, (LPDWORD)&threadId);
      settings.handler_id += 1;        
   }
   if (pid == 0) {
      if (ws_ctx) {
         ws_socket_free(ws_ctx);
      } else {
         shutdown(csock, SHUT_RDWR);
         close(csock);
      }
      handler_msg("handler exit\n");
   } else {
      handler_msg("wsproxy exit\n");
   }

}