diff options
Diffstat (limited to 'cups/spp.c')
-rw-r--r-- | cups/spp.c | 118 |
1 files changed, 118 insertions, 0 deletions
diff --git a/cups/spp.c b/cups/spp.c new file mode 100644 index 0000000..d906ed2 --- /dev/null +++ b/cups/spp.c @@ -0,0 +1,118 @@ +/* + * + * BlueZ - Bluetooth protocol stack for Linux + * + * Copyright (C) 2003-2010 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 <bluetooth/sdp.h> +#include <bluetooth/sdp_lib.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; +} |