4 * Serial port backend for CUPS.
6 * Copyright 2007-2010 by Apple Inc.
7 * Copyright 1997-2007 by Easy Software Products, all rights reserved.
9 * These coded instructions, statements, and computer programs are the
10 * property of Apple Inc. and are protected by Federal copyright
11 * law. Distribution and use rights are outlined in the file "LICENSE.txt"
12 * "LICENSE" which should have been included with this file. If this
13 * file is missing or damaged, see the license at "http://www.cups.org/".
15 * This file is subject to the Apple OS-Developed Software exception.
19 * main() - Send a file to the printer or server.
20 * list_devices() - List all serial devices.
21 * side_cb() - Handle side-channel requests...
25 * Include necessary headers.
28 #include "backend-private.h"
32 # include <sys/modem.h>
42 # include <sys/time.h>
44 # include <sys/select.h>
46 # ifdef HAVE_SYS_IOCTL_H
47 # include <sys/ioctl.h>
48 # endif /* HAVE_SYS_IOCTL_H */
53 # ifndef INV_EPP_ECP_PLP
54 # define INV_EPP_ECP_PLP 6 /* From 6.3/6.4/6.5 sys/invent.h */
55 # define INV_ASO_SERIAL 14 /* serial portion of SGI ASO board */
56 # define INV_IOC3_DMA 16 /* DMA mode IOC3 serial */
57 # define INV_IOC3_PIO 17 /* PIO mode IOC3 serial */
58 # define INV_ISA_DMA 19 /* DMA mode ISA serial -- O2 */
59 # endif /* !INV_EPP_ECP_PLP */
64 # define CRTSCTS CNEW_RTSCTS
67 # endif /* CNEW_RTSCTS */
70 #if defined(__APPLE__)
71 # include <CoreFoundation/CoreFoundation.h>
72 # include <IOKit/IOKitLib.h>
73 # include <IOKit/serial/IOSerialKeys.h>
74 # include <IOKit/IOBSD.h>
75 #endif /* __APPLE__ */
77 #if defined(__linux) && defined(TIOCGSERIAL)
78 # include <linux/serial.h>
79 # include <linux/ioctl.h>
80 #endif /* __linux && TIOCGSERIAL */
87 static void list_devices(void);
88 static int side_cb(int print_fd
, int device_fd
, int use_bc
);
92 * 'main()' - Send a file to the printer or server.
96 * printer-uri job-id user title copies options [file]
99 int /* O - Exit status */
100 main(int argc
, /* I - Number of command-line arguments (6 or 7) */
101 char *argv
[]) /* I - Command-line arguments */
103 char method
[255], /* Method in URI */
104 hostname
[1024], /* Hostname */
105 username
[255], /* Username info (not used) */
106 resource
[1024], /* Resource info (device and options) */
107 *options
, /* Pointer to options */
108 *name
, /* Name of option */
109 *value
, /* Value of option */
110 sep
; /* Option separator */
111 int port
; /* Port number (not used) */
112 int copies
; /* Number of copies to print */
113 int side_eof
= 0, /* Saw EOF on side-channel? */
114 print_fd
, /* Print file */
115 device_fd
; /* Serial device */
116 int nfds
; /* Maximum file descriptor value + 1 */
117 fd_set input
, /* Input set for reading */
118 output
; /* Output set for writing */
119 ssize_t print_bytes
, /* Print bytes read */
120 bc_bytes
, /* Backchannel bytes read */
121 total_bytes
, /* Total bytes written */
122 bytes
; /* Bytes written */
123 int dtrdsr
; /* Do dtr/dsr flow control? */
124 int print_size
; /* Size of output buffer for writes */
125 char print_buffer
[8192], /* Print data buffer */
126 *print_ptr
, /* Pointer into print data buffer */
127 bc_buffer
[1024]; /* Back-channel data buffer */
128 struct termios opts
; /* Serial port options */
129 struct termios origopts
; /* Original port options */
130 #if defined(HAVE_SIGACTION) && !defined(HAVE_SIGSET)
131 struct sigaction action
; /* Actions for POSIX signals */
132 #endif /* HAVE_SIGACTION && !HAVE_SIGSET */
136 * Make sure status messages are not buffered...
139 setbuf(stderr
, NULL
);
142 * Ignore SIGPIPE signals...
146 sigset(SIGPIPE
, SIG_IGN
);
147 #elif defined(HAVE_SIGACTION)
148 memset(&action
, 0, sizeof(action
));
149 action
.sa_handler
= SIG_IGN
;
150 sigaction(SIGPIPE
, &action
, NULL
);
152 signal(SIGPIPE
, SIG_IGN
);
153 #endif /* HAVE_SIGSET */
156 * Check command-line...
162 return (CUPS_BACKEND_OK
);
164 else if (argc
< 6 || argc
> 7)
166 _cupsLangPrintf(stderr
,
167 _("Usage: %s job-id user title copies options [file]"),
169 return (CUPS_BACKEND_FAILED
);
173 * If we have 7 arguments, print the file named on the command-line.
174 * Otherwise, send stdin instead...
185 * Try to open the print file...
188 if ((print_fd
= open(argv
[6], O_RDONLY
)) < 0)
190 _cupsLangPrintError("ERROR", _("Unable to open print file"));
191 return (CUPS_BACKEND_FAILED
);
194 copies
= atoi(argv
[4]);
198 * Extract the device name and options from the URI...
201 httpSeparateURI(HTTP_URI_CODING_ALL
, cupsBackendDeviceURI(argv
),
202 method
, sizeof(method
), username
, sizeof(username
),
203 hostname
, sizeof(hostname
), &port
,
204 resource
, sizeof(resource
));
207 * See if there are any options...
210 if ((options
= strchr(resource
, '?')) != NULL
)
213 * Yup, terminate the device name string and move to the first
214 * character of the options...
221 * Open the serial port device...
224 fputs("STATE: +connecting-to-device\n", stderr
);
228 if ((device_fd
= open(resource
, O_RDWR
| O_NOCTTY
| O_EXCL
|
231 if (getenv("CLASS") != NULL
)
234 * If the CLASS environment variable is set, the job was submitted
235 * to a class and not to a specific queue. In this case, we want
236 * to abort immediately so that the job can be requeued on the next
237 * available printer in the class.
240 _cupsLangPrintFilter(stderr
, "INFO",
241 _("Unable to contact printer, queuing on next "
242 "printer in class."));
245 * Sleep 5 seconds to keep the job from requeuing too rapidly...
250 return (CUPS_BACKEND_FAILED
);
255 _cupsLangPrintFilter(stderr
, "INFO",
256 _("Printer busy; will retry in 30 seconds."));
261 _cupsLangPrintError("ERROR", _("Unable to open device file"));
262 return (CUPS_BACKEND_FAILED
);
266 while (device_fd
< 0);
268 fputs("STATE: -connecting-to-device\n", stderr
);
271 * Set any options provided...
274 tcgetattr(device_fd
, &origopts
);
275 tcgetattr(device_fd
, &opts
);
277 opts
.c_lflag
&= ~(ICANON
| ECHO
| ISIG
);
279 opts
.c_oflag
&= ~OPOST
; /* Don't post-process */
281 print_size
= 96; /* 9600 baud / 10 bits/char / 10Hz */
282 dtrdsr
= 0; /* No dtr/dsr flow control */
294 while (*options
&& *options
!= '=' && *options
!= '+' && *options
!= '&')
297 if ((sep
= *options
) != '\0')
308 while (*options
&& *options
!= '+' && *options
!= '&')
318 * Process the option...
321 if (!strcasecmp(name
, "baud"))
324 * Set the baud rate...
327 print_size
= atoi(value
) / 100;
330 cfsetispeed(&opts
, atoi(value
));
331 cfsetospeed(&opts
, atoi(value
));
336 cfsetispeed(&opts
, B1200
);
337 cfsetospeed(&opts
, B1200
);
340 cfsetispeed(&opts
, B2400
);
341 cfsetospeed(&opts
, B2400
);
344 cfsetispeed(&opts
, B4800
);
345 cfsetospeed(&opts
, B4800
);
348 cfsetispeed(&opts
, B9600
);
349 cfsetospeed(&opts
, B9600
);
352 cfsetispeed(&opts
, B19200
);
353 cfsetospeed(&opts
, B19200
);
356 cfsetispeed(&opts
, B38400
);
357 cfsetospeed(&opts
, B38400
);
361 cfsetispeed(&opts
, B57600
);
362 cfsetospeed(&opts
, B57600
);
367 cfsetispeed(&opts
, B115200
);
368 cfsetospeed(&opts
, B115200
);
370 # endif /* B115200 */
373 cfsetispeed(&opts
, B230400
);
374 cfsetospeed(&opts
, B230400
);
376 # endif /* B230400 */
378 _cupsLangPrintFilter(stderr
, "WARNING",
379 _("Unsupported baud rate: %s"), value
);
382 #endif /* B19200 == 19200 */
384 else if (!strcasecmp(name
, "bits"))
387 * Set number of data bits...
393 opts
.c_cflag
&= ~CSIZE
;
395 opts
.c_cflag
|= PARENB
;
396 opts
.c_cflag
&= ~PARODD
;
399 opts
.c_cflag
&= ~CSIZE
;
401 opts
.c_cflag
&= ~PARENB
;
405 else if (!strcasecmp(name
, "parity"))
408 * Set parity checking...
411 if (!strcasecmp(value
, "even"))
413 opts
.c_cflag
|= PARENB
;
414 opts
.c_cflag
&= ~PARODD
;
416 else if (!strcasecmp(value
, "odd"))
418 opts
.c_cflag
|= PARENB
;
419 opts
.c_cflag
|= PARODD
;
421 else if (!strcasecmp(value
, "none"))
422 opts
.c_cflag
&= ~PARENB
;
423 else if (!strcasecmp(value
, "space"))
426 * Note: we only support space parity with 7 bits per character...
429 opts
.c_cflag
&= ~CSIZE
;
431 opts
.c_cflag
&= ~PARENB
;
433 else if (!strcasecmp(value
, "mark"))
436 * Note: we only support mark parity with 7 bits per character
440 opts
.c_cflag
&= ~CSIZE
;
442 opts
.c_cflag
&= ~PARENB
;
443 opts
.c_cflag
|= CSTOPB
;
446 else if (!strcasecmp(name
, "flow"))
449 * Set flow control...
452 if (!strcasecmp(value
, "none"))
454 opts
.c_iflag
&= ~(IXON
| IXOFF
);
455 opts
.c_cflag
&= ~CRTSCTS
;
457 else if (!strcasecmp(value
, "soft"))
459 opts
.c_iflag
|= IXON
| IXOFF
;
460 opts
.c_cflag
&= ~CRTSCTS
;
462 else if (!strcasecmp(value
, "hard") ||
463 !strcasecmp(value
, "rtscts"))
465 opts
.c_iflag
&= ~(IXON
| IXOFF
);
466 opts
.c_cflag
|= CRTSCTS
;
468 else if (!strcasecmp(value
, "dtrdsr"))
470 opts
.c_iflag
&= ~(IXON
| IXOFF
);
471 opts
.c_cflag
&= ~CRTSCTS
;
476 else if (!strcasecmp(name
, "stop"))
481 opts
.c_cflag
&= ~CSTOPB
;
485 opts
.c_cflag
|= CSTOPB
;
492 tcsetattr(device_fd
, TCSANOW
, &opts
);
493 fcntl(device_fd
, F_SETFL
, 0);
496 * Now that we are "connected" to the port, ignore SIGTERM so that we
497 * can finish out any page data the driver sends (e.g. to eject the
498 * current page... Only ignore SIGTERM if we are printing data from
499 * stdin (otherwise you can't cancel raw jobs...)
504 #ifdef HAVE_SIGSET /* Use System V signals over POSIX to avoid bugs */
505 sigset(SIGTERM
, SIG_IGN
);
506 #elif defined(HAVE_SIGACTION)
507 memset(&action
, 0, sizeof(action
));
509 sigemptyset(&action
.sa_mask
);
510 action
.sa_handler
= SIG_IGN
;
511 sigaction(SIGTERM
, &action
, NULL
);
513 signal(SIGTERM
, SIG_IGN
);
514 #endif /* HAVE_SIGSET */
518 * Figure out the maximum file descriptor value to use with select()...
521 nfds
= (print_fd
> device_fd
? print_fd
: device_fd
) + 1;
524 * Finally, send the print file. Ordinarily we would just use the
525 * backendRunLoop() function, however since we need to use smaller
526 * writes and may need to do DSR/DTR flow control, we duplicate much
527 * of the code here instead...
530 if (print_size
> sizeof(print_buffer
))
531 print_size
= sizeof(print_buffer
);
541 fputs("PAGE: 1 1\n", stderr
);
542 lseek(print_fd
, 0, SEEK_SET
);
546 * Now loop until we are out of data from print_fd...
549 for (print_bytes
= 0, print_ptr
= print_buffer
;;)
552 * Use select() to determine whether we have data to copy around...
557 FD_SET(print_fd
, &input
);
558 FD_SET(device_fd
, &input
);
559 if (!print_bytes
&& !side_eof
)
560 FD_SET(CUPS_SC_FD
, &input
);
564 FD_SET(device_fd
, &output
);
566 if (select(nfds
, &input
, &output
, NULL
, NULL
) < 0)
567 continue; /* Ignore errors here */
570 * Check if we have a side-channel request ready...
573 if (FD_ISSET(CUPS_SC_FD
, &input
))
576 * Do the side-channel request, then start back over in the select
577 * loop since it may have read from print_fd...
580 if (side_cb(print_fd
, device_fd
, 1))
586 * Check if we have back-channel data ready...
589 if (FD_ISSET(device_fd
, &input
))
591 if ((bc_bytes
= read(device_fd
, bc_buffer
, sizeof(bc_buffer
))) > 0)
594 "DEBUG: Received " CUPS_LLFMT
" bytes of back-channel data\n",
595 CUPS_LLCAST bc_bytes
);
596 cupsBackChannelWrite(bc_buffer
, bc_bytes
, 1.0);
601 * Check if we have print data ready...
604 if (FD_ISSET(print_fd
, &input
))
606 if ((print_bytes
= read(print_fd
, print_buffer
, print_size
)) < 0)
609 * Read error - bail if we don't see EAGAIN or EINTR...
612 if (errno
!= EAGAIN
|| errno
!= EINTR
)
614 perror("DEBUG: Unable to read print data");
616 tcsetattr(device_fd
, TCSADRAIN
, &origopts
);
623 return (CUPS_BACKEND_FAILED
);
628 else if (print_bytes
== 0)
631 * End of file, break out of the loop...
637 print_ptr
= print_buffer
;
641 * Check if the device is ready to receive data and we have data to
645 if (print_bytes
&& FD_ISSET(device_fd
, &output
))
650 * Check the port and sleep until DSR is set...
656 if (!ioctl(device_fd
, TIOCMGET
, &status
))
657 if (!(status
& TIOCM_DSR
))
660 * Wait for DSR to go high...
663 fputs("DEBUG: DSR is low; waiting for device...\n", stderr
);
668 * Poll every 100ms...
673 if (ioctl(device_fd
, TIOCMGET
, &status
))
676 while (!(status
& TIOCM_DSR
));
678 fputs("DEBUG: DSR is high; writing to device...\n", stderr
);
682 if ((bytes
= write(device_fd
, print_ptr
, print_bytes
)) < 0)
685 * Write error - bail if we don't see an error we can retry...
688 if (errno
!= EAGAIN
&& errno
!= EINTR
&& errno
!= ENOTTY
)
690 perror("DEBUG: Unable to write print data");
692 tcsetattr(device_fd
, TCSADRAIN
, &origopts
);
699 return (CUPS_BACKEND_FAILED
);
704 fprintf(stderr
, "DEBUG: Wrote %d bytes...\n", (int)bytes
);
706 print_bytes
-= bytes
;
708 total_bytes
+= bytes
;
715 * Close the serial port and input file and return...
718 tcsetattr(device_fd
, TCSADRAIN
, &origopts
);
725 return (total_bytes
< 0 ? CUPS_BACKEND_FAILED
: CUPS_BACKEND_OK
);
730 * 'list_devices()' - List all serial devices.
736 #if defined(__hpux) || defined(__sgi) || defined(__sun) || defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__DragonFly__) || defined(__FreeBSD_kernel__)
737 static char *funky_hex
= "0123456789abcdefghijklmnopqrstuvwxyz";
738 /* Funky hex numbering used for some *
740 #endif /* __hpux || __sgi || __sun || __FreeBSD__ || __OpenBSD__ || __FreeBSD_kernel__ */
744 int i
, j
; /* Looping vars */
745 int fd
; /* File descriptor */
746 char device
[255]; /* Device filename */
747 char info
[255]; /* Device info/description */
749 struct serial_struct serinfo
; /* serial port info */
750 # endif /* TIOCGSERIAL */
753 for (i
= 0; i
< 100; i
++)
755 sprintf(device
, "/dev/ttyS%d", i
);
757 if ((fd
= open(device
, O_WRONLY
| O_NOCTTY
| O_NDELAY
)) >= 0)
761 * See if this port exists...
764 serinfo
.reserved_char
[0] = 0;
766 if (!ioctl(fd
, TIOCGSERIAL
, &serinfo
))
768 if (serinfo
.type
== PORT_UNKNOWN
)
778 # endif /* TIOCGSERIAL */
782 snprintf(info
, sizeof(info
),
783 _cupsLangString(cupsLangDefault(), _("Serial Port #%d")), i
+ 1);
785 # if defined(_ARCH_PPC) || defined(powerpc) || defined(__powerpc)
786 printf("serial serial:%s?baud=230400 \"Unknown\" \"%s\"\n", device
, info
);
788 printf("serial serial:%s?baud=115200 \"Unknown\" \"%s\"\n", device
, info
);
789 # endif /* _ARCH_PPC || powerpc || __powerpc */
793 for (i
= 0; i
< 16; i
++)
795 snprintf(info
, sizeof(info
),
796 _cupsLangString(cupsLangDefault(), _("USB Serial Port #%d")),
799 sprintf(device
, "/dev/usb/ttyUSB%d", i
);
800 if ((fd
= open(device
, O_WRONLY
| O_NOCTTY
| O_NDELAY
)) >= 0)
803 printf("serial serial:%s?baud=230400 \"Unknown\" \"%s\"\n", device
, info
);
806 sprintf(device
, "/dev/ttyUSB%d", i
);
807 if ((fd
= open(device
, O_WRONLY
| O_NOCTTY
| O_NDELAY
)) >= 0)
810 printf("serial serial:%s?baud=230400 \"Unknown\" \"%s\"\n", device
, info
);
814 for (i
= 0; i
< 64; i
++)
816 for (j
= 0; j
< 8; j
++)
818 sprintf(device
, "/dev/ttyQ%02de%d", i
, j
);
819 if ((fd
= open(device
, O_WRONLY
| O_NOCTTY
| O_NDELAY
)) >= 0)
823 printf("serial serial:%s?baud=115200 \"Unknown\" "
824 "\"Equinox ESP %d Port #%d\"\n", device
, i
, j
+ 1);
829 int i
, j
, n
; /* Looping vars */
830 char device
[255]; /* Device filename */
831 inventory_t
*inv
; /* Hardware inventory info */
835 * IRIX maintains a hardware inventory of most devices...
840 while ((inv
= getinvent()) != NULL
)
842 if (inv
->inv_class
== INV_SERIAL
)
845 * Some sort of serial port...
848 if (inv
->inv_type
== INV_CDSIO
|| inv
->inv_type
== INV_CDSIO_E
)
854 for (n
= 0; n
< 6; n
++)
855 printf("serial serial:/dev/ttyd%d?baud=38400 \"Unknown\" \"CDSIO Board %d Serial Port #%d\"\n",
856 n
+ 5 + 8 * inv
->inv_controller
, inv
->inv_controller
, n
+ 1);
858 else if (inv
->inv_type
== INV_EPC_SERIAL
)
861 * Everest serial port...
864 if (inv
->inv_unit
== 0)
867 i
= 41 + 4 * (int)inv
->inv_controller
;
869 for (n
= 0; n
< (int)inv
->inv_state
; n
++)
870 printf("serial serial:/dev/ttyd%d?baud=38400 \"Unknown\" \"EPC Serial Port %d, Ebus slot %d\"\n",
871 n
+ i
, n
+ 1, (int)inv
->inv_controller
);
873 else if (inv
->inv_state
> 1)
876 * Standard serial port under IRIX 6.4 and earlier...
879 for (n
= 0; n
< (int)inv
->inv_state
; n
++)
880 printf("serial serial:/dev/ttyd%d?baud=38400 \"Unknown\" \"Onboard Serial Port %d\"\n",
881 n
+ (int)inv
->inv_unit
+ 1, n
+ (int)inv
->inv_unit
+ 1);
886 * Standard serial port under IRIX 6.5 and beyond...
889 printf("serial serial:/dev/ttyd%d?baud=115200 \"Unknown\" \"Onboard Serial Port %d\"\n",
890 (int)inv
->inv_controller
, (int)inv
->inv_controller
);
898 * Central Data makes serial and parallel "servers" that can be
899 * connected in a number of ways. Look for ports...
902 for (i
= 0; i
< 10; i
++)
903 for (j
= 0; j
< 8; j
++)
904 for (n
= 0; n
< 32; n
++)
906 if (i
== 8) /* EtherLite */
907 sprintf(device
, "/dev/ttydn%d%c", j
, funky_hex
[n
]);
908 else if (i
== 9) /* PCI */
909 sprintf(device
, "/dev/ttydp%d%c", j
, funky_hex
[n
]);
911 sprintf(device
, "/dev/ttyd%d%d%c", i
, j
, funky_hex
[n
]);
913 if (access(device
, 0) == 0)
916 printf("serial serial:%s?baud=38400 \"Unknown\" \"Central Data EtherLite Serial Port, ID %d, port %d\"\n",
919 printf("serial serial:%s?baud=38400 \"Unknown\" \"Central Data PCI Serial Port, ID %d, port %d\"\n",
922 printf("serial serial:%s?baud=38400 \"Unknown\" \"Central Data SCSI Serial Port, logical bus %d, ID %d, port %d\"\n",
927 int i
, j
, n
; /* Looping vars */
928 char device
[255]; /* Device filename */
929 char info
[255]; /* Device info/description */
933 * Standard serial ports...
936 for (i
= 0; i
< 26; i
++)
938 sprintf(device
, "/dev/cua/%c", 'a' + i
);
939 if (!access(device
, 0))
941 snprintf(info
, sizeof(info
),
942 _cupsLangString(cupsLangDefault(), _("Serial Port #%d")), i
+ 1);
945 printf("serial serial:%s?baud=115200 \"Unknown\" \"%s\"\n", device
, info
);
947 printf("serial serial:%s?baud=38400 \"Unknown\" \"%s\"\n", device
, info
);
948 # endif /* B115200 */
953 * MAGMA serial ports...
956 for (i
= 0; i
< 40; i
++)
958 sprintf(device
, "/dev/term/%02d", i
);
959 if (access(device
, 0) == 0)
960 printf("serial serial:%s?baud=38400 \"Unknown\" \"MAGMA Serial Board #%d Port #%d\"\n",
961 device
, (i
/ 10) + 1, (i
% 10) + 1);
965 * Central Data serial ports...
968 for (i
= 0; i
< 9; i
++)
969 for (j
= 0; j
< 8; j
++)
970 for (n
= 0; n
< 32; n
++)
972 if (i
== 8) /* EtherLite */
973 sprintf(device
, "/dev/sts/ttyN%d%c", j
, funky_hex
[n
]);
975 sprintf(device
, "/dev/sts/tty%c%d%c", i
+ 'C', j
,
978 if (access(device
, 0) == 0)
981 printf("serial serial:%s?baud=38400 \"Unknown\" \"Central Data EtherLite Serial Port, ID %d, port %d\"\n",
984 printf("serial serial:%s?baud=38400 \"Unknown\" \"Central Data SCSI Serial Port, logical bus %d, ID %d, port %d\"\n",
988 #elif defined(__hpux)
989 int i
, j
, n
; /* Looping vars */
990 char device
[255]; /* Device filename */
994 * Standard serial ports...
997 for (i
= 0; i
< 10; i
++)
999 sprintf(device
, "/dev/tty%dp0", i
);
1000 if (access(device
, 0) == 0)
1001 printf("serial serial:%s?baud=38400 \"Unknown\" \"Serial Port #%d\"\n",
1006 * Central Data serial ports...
1009 for (i
= 0; i
< 9; i
++)
1010 for (j
= 0; j
< 8; j
++)
1011 for (n
= 0; n
< 32; n
++)
1013 if (i
== 8) /* EtherLite */
1014 sprintf(device
, "/dev/ttyN%d%c", j
, funky_hex
[n
]);
1016 sprintf(device
, "/dev/tty%c%d%c", i
+ 'C', j
,
1019 if (access(device
, 0) == 0)
1022 printf("serial serial:%s?baud=38400 \"Unknown\" \"Central Data EtherLite Serial Port, ID %d, port %d\"\n",
1025 printf("serial serial:%s?baud=38400 \"Unknown\" \"Central Data SCSI Serial Port, logical bus %d, ID %d, port %d\"\n",
1029 #elif defined(__osf__)
1030 int i
; /* Looping var */
1031 char device
[255]; /* Device filename */
1035 * Standard serial ports...
1038 for (i
= 0; i
< 100; i
++)
1040 sprintf(device
, "/dev/tty%02d", i
);
1041 if (access(device
, 0) == 0)
1042 printf("serial serial:%s?baud=38400 \"Unknown\" \"Serial Port #%d\"\n",
1045 #elif defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__DragonFly__) || defined(__FreeBSD_kernel__)
1046 int i
, j
; /* Looping vars */
1047 int fd
; /* File descriptor */
1048 char device
[255]; /* Device filename */
1049 char info
[255]; /* Device info/description */
1056 for (i
= 0; i
< 32; i
++)
1058 sprintf(device
, "/dev/ttyd%c", funky_hex
[i
]);
1059 if ((fd
= open(device
, O_WRONLY
| O_NOCTTY
| O_NDELAY
)) >= 0)
1063 snprintf(info
, sizeof(info
),
1064 _cupsLangString(cupsLangDefault(), _("Serial Port #%d")), i
+ 1);
1066 printf("serial serial:%s?baud=115200 \"Unknown\" \"%s\"\n", device
, info
);
1074 for (i
= 0; i
< 16; i
++) /* Should be up to 65536 boards... */
1075 for (j
= 0; j
< 32; j
++)
1077 sprintf(device
, "/dev/ttyc%d%c", i
, funky_hex
[j
]);
1078 if ((fd
= open(device
, O_WRONLY
| O_NOCTTY
| O_NDELAY
)) >= 0)
1081 printf("serial serial:%s?baud=115200 \"Unknown\" \"Cyclades #%d Serial Port #%d\"\n",
1085 sprintf(device
, "/dev/ttyC%d%c", i
, funky_hex
[j
]);
1086 if ((fd
= open(device
, O_WRONLY
| O_NOCTTY
| O_NDELAY
)) >= 0)
1089 printf("serial serial:%s?baud=115200 \"Unknown\" \"Cyclades #%d Serial Port #%d\"\n",
1095 * Digiboard ports...
1098 for (i
= 0; i
< 16; i
++) /* Should be up to 65536 boards... */
1099 for (j
= 0; j
< 32; j
++)
1101 sprintf(device
, "/dev/ttyD%d%c", i
, funky_hex
[j
]);
1102 if ((fd
= open(device
, O_WRONLY
| O_NOCTTY
| O_NDELAY
)) >= 0)
1105 printf("serial serial:%s?baud=115200 \"Unknown\" \"Digiboard #%d Serial Port #%d\"\n",
1114 for (i
= 0; i
< 32; i
++)
1116 sprintf(device
, "/dev/ttyE%c", funky_hex
[i
]);
1117 if ((fd
= open(device
, O_WRONLY
| O_NOCTTY
| O_NDELAY
)) >= 0)
1120 printf("serial serial:%s?baud=115200 \"Unknown\" \"Stallion Serial Port #%d\"\n",
1129 for (i
= 0; i
< 128; i
++)
1131 sprintf(device
, "/dev/ttyA%d", i
+ 1);
1132 if ((fd
= open(device
, O_WRONLY
| O_NOCTTY
| O_NDELAY
)) >= 0)
1135 printf("serial serial:%s?baud=115200 \"Unknown\" \"SX Serial Port #%d\"\n",
1139 #elif defined(__NetBSD__)
1140 int i
, j
; /* Looping vars */
1141 int fd
; /* File descriptor */
1142 char device
[255]; /* Device filename */
1143 char info
[255]; /* Device info/description */
1147 * Standard serial ports...
1150 for (i
= 0; i
< 4; i
++)
1152 sprintf(device
, "/dev/tty%02d", i
);
1153 if ((fd
= open(device
, O_WRONLY
| O_NOCTTY
| O_NDELAY
)) >= 0)
1157 snprintf(info
, sizeof(info
),
1158 _cupsLangString(cupsLangDefault(), _("Serial Port #%d")), i
+ 1);
1160 printf("serial serial:%s?baud=115200 \"Unknown\" \"%s\"\n", device
, info
);
1165 * Cyclades-Z ports...
1168 for (i
= 0; i
< 16; i
++) /* Should be up to 65536 boards... */
1169 for (j
= 0; j
< 64; j
++)
1171 sprintf(device
, "/dev/ttyCZ%02d%02d", i
, j
);
1172 if ((fd
= open(device
, O_WRONLY
| O_NOCTTY
| O_NDELAY
)) >= 0)
1175 printf("serial serial:%s?baud=115200 \"Unknown\" \"Cyclades #%d Serial Prt #%d\"\n",
1179 #elif defined(__APPLE__)
1181 * Standard serial ports on MacOS X...
1184 kern_return_t kernResult
;
1185 mach_port_t masterPort
;
1186 io_iterator_t serialPortIterator
;
1187 CFMutableDictionaryRef classesToMatch
;
1188 io_object_t serialService
;
1191 kernResult
= IOMasterPort(MACH_PORT_NULL
, &masterPort
);
1192 if (KERN_SUCCESS
!= kernResult
)
1196 * Serial devices are instances of class IOSerialBSDClient.
1199 classesToMatch
= IOServiceMatching(kIOSerialBSDServiceValue
);
1200 if (classesToMatch
!= NULL
)
1202 CFDictionarySetValue(classesToMatch
, CFSTR(kIOSerialBSDTypeKey
),
1203 CFSTR(kIOSerialBSDRS232Type
));
1205 kernResult
= IOServiceGetMatchingServices(masterPort
, classesToMatch
,
1206 &serialPortIterator
);
1207 if (kernResult
== KERN_SUCCESS
)
1209 while ((serialService
= IOIteratorNext(serialPortIterator
)))
1211 CFTypeRef serialNameAsCFString
;
1212 CFTypeRef bsdPathAsCFString
;
1213 CFTypeRef hiddenVal
;
1214 char serialName
[128];
1219 /* Check if hidden... */
1220 hiddenVal
= IORegistryEntrySearchCFProperty(serialService
,
1222 CFSTR("HiddenPort"),
1223 kCFAllocatorDefault
,
1224 kIORegistryIterateRecursively
|
1225 kIORegistryIterateParents
);
1227 CFRelease(hiddenVal
); /* This interface should not be used */
1230 serialNameAsCFString
=
1231 IORegistryEntryCreateCFProperty(serialService
,
1232 CFSTR(kIOTTYDeviceKey
),
1233 kCFAllocatorDefault
, 0);
1234 if (serialNameAsCFString
)
1236 result
= CFStringGetCString(serialNameAsCFString
, serialName
,
1238 kCFStringEncodingASCII
);
1239 CFRelease(serialNameAsCFString
);
1244 IORegistryEntryCreateCFProperty(serialService
,
1245 CFSTR(kIOCalloutDeviceKey
),
1246 kCFAllocatorDefault
, 0);
1247 if (bsdPathAsCFString
)
1249 result
= CFStringGetCString(bsdPathAsCFString
, bsdPath
,
1251 kCFStringEncodingASCII
);
1252 CFRelease(bsdPathAsCFString
);
1255 printf("serial serial:%s?baud=115200 \"Unknown\" \"%s\"\n",
1256 bsdPath
, serialName
);
1262 IOObjectRelease(serialService
);
1266 * Release the iterator.
1269 IOObjectRelease(serialPortIterator
);
1277 * 'side_cb()' - Handle side-channel requests...
1280 static int /* O - 0 on success, -1 on error */
1281 side_cb(int print_fd
, /* I - Print file */
1282 int device_fd
, /* I - Device file */
1283 int use_bc
) /* I - Using back-channel? */
1285 cups_sc_command_t command
; /* Request command */
1286 cups_sc_status_t status
; /* Request/response status */
1287 char data
[2048]; /* Request/response data */
1288 int datalen
; /* Request/response data size */
1291 datalen
= sizeof(data
);
1293 if (cupsSideChannelRead(&command
, &status
, data
, &datalen
, 1.0))
1298 case CUPS_SC_CMD_DRAIN_OUTPUT
:
1299 if (backendDrainOutput(print_fd
, device_fd
))
1300 status
= CUPS_SC_STATUS_IO_ERROR
;
1301 else if (tcdrain(device_fd
))
1302 status
= CUPS_SC_STATUS_IO_ERROR
;
1304 status
= CUPS_SC_STATUS_OK
;
1309 case CUPS_SC_CMD_GET_BIDI
:
1310 status
= CUPS_SC_STATUS_OK
;
1316 status
= CUPS_SC_STATUS_NOT_IMPLEMENTED
;
1321 return (cupsSideChannelWrite(command
, status
, data
, datalen
, 1.0));