text: /*
   *
   *  BlueZ - Bluetooth protocol stack for Linux
   *
   *  Copyright (C) 2003-2008  Marcel Holtmann <marcel@holtmann.org>
   *
   *
   *  This program is free software; you can redistribute it and/or modify
   *  it under the terms of the GNU General Public License as published by
   *  the Free Software Foundation; either version 2 of the License, or
   *  (at your option) any later version.
   *
   *  This program is distributed in the hope that it will be useful,
   *  but WITHOUT ANY WARRANTY; without even the implied warranty of
   *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   *  GNU General Public License for more details.
   *
   *  You should have received a copy of the GNU General Public License
   *  along with this program; if not, write to the Free Software
   *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
   *
   */
  
  #ifdef HAVE_CONFIG_H
  #include <config.h>
  #endif
  
  #include <stdio.h>
  #include <errno.h>
  #include <unistd.h>
  #include <signal.h>
  #include <sys/socket.h>
  
  #include <bluetooth/bluetooth.h>
  #include <bluetooth/rfcomm.h>
  
  #include "cups.h"
  
  int spp_print(bdaddr_t *src, bdaddr_t *dst, uint8_t channel, int fd, int copies, const char *cups_class)
  {
  	struct sockaddr_rc addr;
  	unsigned char buf[2048];
  	int i, sk, err, len;
  
  	if ((sk = socket(PF_BLUETOOTH, SOCK_STREAM, BTPROTO_RFCOMM)) < 0) {
  		perror("ERROR: Can't create socket");
  		if (cups_class)
  			return CUPS_BACKEND_FAILED;
  		else
  			return CUPS_BACKEND_RETRY;
  	}
  
  	addr.rc_family = AF_BLUETOOTH;
  	bacpy(&addr.rc_bdaddr, src);
  	addr.rc_channel = 0;
  
  	if (bind(sk, (struct sockaddr *) &addr, sizeof(addr)) < 0) {
  		perror("ERROR: Can't bind socket");
  		close(sk);
  		if (cups_class)
  			return CUPS_BACKEND_FAILED;
  		else
  			return CUPS_BACKEND_RETRY;
  	}
  
  	addr.rc_family = AF_BLUETOOTH;
  	bacpy(&addr.rc_bdaddr, dst);
  	addr.rc_channel = channel;
  
  	if (connect(sk, (struct sockaddr *) &addr, sizeof(addr)) < 0) {
  		perror("ERROR: Can't connect to device");
  		close(sk);
  		if (cups_class)
  			return CUPS_BACKEND_FAILED;
  		else
  			return CUPS_BACKEND_RETRY;
  	}
  
  	fputs("STATE: -connecting-to-device\n", stderr);
  
  	/* Ignore SIGTERM signals if printing from stdin */
  	if (fd == 0) {
  #ifdef HAVE_SIGSET
  		sigset(SIGTERM, SIG_IGN);
  #elif defined(HAVE_SIGACTION)
  		memset(&action, 0, sizeof(action));
  		sigemptyset(&action.sa_mask);
  		action.sa_handler = SIG_IGN;
  		sigaction(SIGTERM, &action, NULL);
  #else
  		signal(SIGTERM, SIG_IGN);
  #endif /* HAVE_SIGSET */
  	}
  
  	for (i = 0; i < copies; i++) {
  
  		if (fd != 0) {
  			fprintf(stderr, "PAGE: 1 1\n");
  			lseek(fd, 0, SEEK_SET);
  		}
  
  		while ((len = read(fd, buf, sizeof(buf))) > 0) {
  			err = write(sk, buf, len);
  			if (err < 0) {
  				perror("ERROR: Error writing to device");
  				close(sk);
  				return CUPS_BACKEND_FAILED;
  			}
  		}
  
  	}
  
  	close(sk);
  
  	return CUPS_BACKEND_OK;
  }
  