]>
git.ipfire.org Git - thirdparty/cups.git/blob - backend/parallel.c
2 * "$Id: parallel.c 5726 2006-07-12 20:00:11Z mike $"
4 * Parallel port backend for the Common UNIX Printing System (CUPS).
6 * Copyright 1997-2006 by Easy Software Products, all rights reserved.
8 * These coded instructions, statements, and computer programs are the
9 * property of Easy Software Products and are protected by Federal
10 * copyright law. Distribution and use rights are outlined in the file
11 * "LICENSE" which should have been included with this file. If this
12 * file is missing or damaged please contact Easy Software Products
15 * Attn: CUPS Licensing Information
16 * Easy Software Products
17 * 44141 Airport View Drive, Suite 204
18 * Hollywood, Maryland 20636 USA
20 * Voice: (301) 373-9600
21 * EMail: cups-info@cups.org
22 * WWW: http://www.cups.org
24 * This file is subject to the Apple OS-Developed Software exception.
28 * main() - Send a file to the specified parallel port.
29 * list_devices() - List all parallel devices.
33 * Include necessary headers.
36 #include "backend-private.h"
39 # include <sys/time.h>
41 # include <sys/select.h>
50 # include <sys/socket.h>
55 # ifndef INV_EPP_ECP_PLP
56 # define INV_EPP_ECP_PLP 6 /* From 6.3/6.4/6.5 sys/invent.h */
57 # define INV_ASO_SERIAL 14 /* serial portion of SGI ASO board */
58 # define INV_IOC3_DMA 16 /* DMA mode IOC3 serial */
59 # define INV_IOC3_PIO 17 /* PIO mode IOC3 serial */
60 # define INV_ISA_DMA 19 /* DMA mode ISA serial -- O2 */
61 # endif /* !INV_EPP_ECP_PLP */
69 void list_devices(void);
73 * 'main()' - Send a file to the specified parallel port.
77 * printer-uri job-id user title copies options [file]
80 int /* O - Exit status */
81 main(int argc
, /* I - Number of command-line arguments (6 or 7) */
82 char *argv
[]) /* I - Command-line arguments */
84 char method
[255], /* Method in URI */
85 hostname
[1024], /* Hostname */
86 username
[255], /* Username info (not used) */
87 resource
[1024], /* Resource info (device and options) */
88 *options
; /* Pointer to options */
89 int port
; /* Port number (not used) */
90 int print_fd
, /* Print file */
91 device_fd
; /* Parallel device */
92 int copies
; /* Number of copies to print */
93 size_t tbytes
; /* Total number of bytes written */
94 struct termios opts
; /* Parallel port options */
95 #if defined(HAVE_SIGACTION) && !defined(HAVE_SIGSET)
96 struct sigaction action
; /* Actions for POSIX signals */
97 #endif /* HAVE_SIGACTION && !HAVE_SIGSET */
101 * Make sure status messages are not buffered...
104 setbuf(stderr
, NULL
);
107 * Ignore SIGPIPE signals...
111 sigset(SIGPIPE
, SIG_IGN
);
112 #elif defined(HAVE_SIGACTION)
113 memset(&action
, 0, sizeof(action
));
114 action
.sa_handler
= SIG_IGN
;
115 sigaction(SIGPIPE
, &action
, NULL
);
117 signal(SIGPIPE
, SIG_IGN
);
118 #endif /* HAVE_SIGSET */
121 * Check command-line...
127 return (CUPS_BACKEND_OK
);
129 else if (argc
< 6 || argc
> 7)
131 fputs("Usage: parallel job-id user title copies options [file]\n", stderr
);
132 return (CUPS_BACKEND_FAILED
);
136 * If we have 7 arguments, print the file named on the command-line.
137 * Otherwise, send stdin instead...
148 * Try to open the print file...
151 if ((print_fd
= open(argv
[6], O_RDONLY
)) < 0)
153 perror("ERROR: unable to open print file");
154 return (CUPS_BACKEND_FAILED
);
157 copies
= atoi(argv
[4]);
161 * Extract the device name and options from the URI...
164 httpSeparateURI(HTTP_URI_CODING_ALL
, cupsBackendDeviceURI(argv
),
165 method
, sizeof(method
), username
, sizeof(username
),
166 hostname
, sizeof(hostname
), &port
,
167 resource
, sizeof(resource
));
170 * See if there are any options...
173 if ((options
= strchr(resource
, '?')) != NULL
)
176 * Yup, terminate the device name string and move to the first
177 * character of the options...
184 * Open the parallel port device...
187 fputs("STATE: +connecting-to-device\n", stderr
);
191 if ((device_fd
= open(resource
, O_WRONLY
| O_EXCL
)) == -1)
193 if (getenv("CLASS") != NULL
)
196 * If the CLASS environment variable is set, the job was submitted
197 * to a class and not to a specific queue. In this case, we want
198 * to abort immediately so that the job can be requeued on the next
199 * available printer in the class.
202 fputs("INFO: Unable to open parallel port, queuing on next printer "
203 "in class...\n", stderr
);
206 * Sleep 5 seconds to keep the job from requeuing too rapidly...
211 return (CUPS_BACKEND_FAILED
);
216 fputs("INFO: Parallel port busy; will retry in 30 seconds...\n",
220 else if (errno
== ENXIO
|| errno
== EIO
|| errno
== ENOENT
)
222 fputs("INFO: Printer not connected; will retry in 30 seconds...\n",
229 "ERROR: Unable to open parallel port device file \"%s\": %s\n",
230 resource
, strerror(errno
));
231 return (CUPS_BACKEND_FAILED
);
235 while (device_fd
< 0);
237 fputs("STATE: -connecting-to-device\n", stderr
);
240 * Set any options provided...
243 tcgetattr(device_fd
, &opts
);
245 opts
.c_lflag
&= ~(ICANON
| ECHO
| ISIG
); /* Raw mode */
247 /**** No options supported yet ****/
249 tcsetattr(device_fd
, TCSANOW
, &opts
);
252 * Finally, send the print file...
257 while (copies
> 0 && tbytes
>= 0)
263 fputs("PAGE: 1 1\n", stderr
);
264 lseek(print_fd
, 0, SEEK_SET
);
267 tbytes
= backendRunLoop(print_fd
, device_fd
, 1);
269 if (print_fd
!= 0 && tbytes
>= 0)
270 fprintf(stderr
, "INFO: Sent print file, " CUPS_LLFMT
" bytes...\n",
275 * Close the socket connection and input file and return...
283 return (tbytes
< 0 ? CUPS_BACKEND_FAILED
: CUPS_BACKEND_OK
);
288 * 'list_devices()' - List all parallel devices.
294 #if defined(__hpux) || defined(__sgi) || defined(__sun)
295 static char *funky_hex
= "0123456789abcdefghijklmnopqrstuvwxyz";
296 /* Funky hex numbering used for some devices */
297 #endif /* __hpux || __sgi || __sun */
300 int i
; /* Looping var */
301 int fd
; /* File descriptor */
302 char device
[255], /* Device filename */
303 basedevice
[255], /* Base device filename for ports */
304 device_id
[1024], /* Device ID string */
305 make_model
[1024]; /* Make and model */
308 if (!access("/dev/parallel/", 0))
309 strcpy(basedevice
, "/dev/parallel/");
310 else if (!access("/dev/printers/", 0))
311 strcpy(basedevice
, "/dev/printers/");
313 strcpy(basedevice
, "/dev/lp");
315 for (i
= 0; i
< 4; i
++)
318 * Open the port, if available...
321 sprintf(device
, "%s%d", basedevice
, i
);
322 if ((fd
= open(device
, O_RDWR
| O_EXCL
)) < 0)
323 fd
= open(device
, O_WRONLY
);
328 * Now grab the IEEE 1284 device ID string...
331 if (!backendGetDeviceID(fd
, device_id
, sizeof(device_id
),
332 make_model
, sizeof(make_model
),
334 printf("direct parallel:%s \"%s\" \"%s LPT #%d\" \"%s\"\n", device
,
335 make_model
, make_model
, i
+ 1, device_id
);
337 printf("direct parallel:%s \"Unknown\" \"LPT #%d\"\n", device
, i
+ 1);
343 int i
, j
, n
; /* Looping vars */
344 char device
[255]; /* Device filename */
345 inventory_t
*inv
; /* Hardware inventory info */
349 * IRIX maintains a hardware inventory of most devices...
354 while ((inv
= getinvent()) != NULL
)
356 if (inv
->inv_class
== INV_PARALLEL
&&
357 (inv
->inv_type
== INV_ONBOARD_PLP
||
358 inv
->inv_type
== INV_EPP_ECP_PLP
))
361 * Standard parallel port...
364 puts("direct parallel:/dev/plp \"Unknown\" \"Onboard Parallel Port\"");
366 else if (inv
->inv_class
== INV_PARALLEL
&&
367 inv
->inv_type
== INV_EPC_PLP
)
370 * EPC parallel port...
373 printf("direct parallel:/dev/plp%d \"Unknown\" \"Integral EPC parallel port, Ebus slot %d\"\n",
374 inv
->inv_controller
, inv
->inv_controller
);
381 * Central Data makes serial and parallel "servers" that can be
382 * connected in a number of ways. Look for ports...
385 for (i
= 0; i
< 10; i
++)
386 for (j
= 0; j
< 8; j
++)
387 for (n
= 0; n
< 32; n
++)
389 if (i
== 8) /* EtherLite */
390 sprintf(device
, "/dev/lpn%d%c", j
, funky_hex
[n
]);
391 else if (i
== 9) /* PCI */
392 sprintf(device
, "/dev/lpp%d%c", j
, funky_hex
[n
]);
394 sprintf(device
, "/dev/lp%d%d%c", i
, j
, funky_hex
[n
]);
396 if (access(device
, 0) == 0)
399 printf("direct parallel:%s \"Unknown\" \"Central Data EtherLite Parallel Port, ID %d, port %d\"\n",
402 printf("direct parallel:%s \"Unknown\" \"Central Data PCI Parallel Port, ID %d, port %d\"\n",
405 printf("direct parallel:%s \"Unknown\" \"Central Data SCSI Parallel Port, logical bus %d, ID %d, port %d\"\n",
410 int i
, j
, n
; /* Looping vars */
411 char device
[255]; /* Device filename */
415 * Standard parallel ports...
418 for (i
= 0; i
< 10; i
++)
420 sprintf(device
, "/dev/ecpp%d", i
);
421 if (access(device
, 0) == 0)
422 printf("direct parallel:%s \"Unknown\" \"Sun IEEE-1284 Parallel Port #%d\"\n",
426 for (i
= 0; i
< 10; i
++)
428 sprintf(device
, "/dev/bpp%d", i
);
429 if (access(device
, 0) == 0)
430 printf("direct parallel:%s \"Unknown\" \"Sun Standard Parallel Port #%d\"\n",
434 for (i
= 0; i
< 3; i
++)
436 sprintf(device
, "/dev/lp%d", i
);
438 if (access(device
, 0) == 0)
439 printf("direct parallel:%s \"Unknown\" \"PC Parallel Port #%d\"\n",
444 * MAGMA parallel ports...
447 for (i
= 0; i
< 40; i
++)
449 sprintf(device
, "/dev/pm%02d", i
);
450 if (access(device
, 0) == 0)
451 printf("direct parallel:%s \"Unknown\" \"MAGMA Parallel Board #%d Port #%d\"\n",
452 device
, (i
/ 10) + 1, (i
% 10) + 1);
456 * Central Data parallel ports...
459 for (i
= 0; i
< 9; i
++)
460 for (j
= 0; j
< 8; j
++)
461 for (n
= 0; n
< 32; n
++)
463 if (i
== 8) /* EtherLite */
464 sprintf(device
, "/dev/sts/lpN%d%c", j
, funky_hex
[n
]);
466 sprintf(device
, "/dev/sts/lp%c%d%c", i
+ 'C', j
,
469 if (access(device
, 0) == 0)
472 printf("direct parallel:%s \"Unknown\" \"Central Data EtherLite Parallel Port, ID %d, port %d\"\n",
475 printf("direct parallel:%s \"Unknown\" \"Central Data SCSI Parallel Port, logical bus %d, ID %d, port %d\"\n",
479 #elif defined(__hpux)
480 int i
, j
, n
; /* Looping vars */
481 char device
[255]; /* Device filename */
485 * Standard parallel ports...
488 if (access("/dev/rlp", 0) == 0)
489 puts("direct parallel:/dev/rlp \"Unknown\" \"Standard Parallel Port (/dev/rlp)\"");
491 for (i
= 0; i
< 7; i
++)
492 for (j
= 0; j
< 7; j
++)
494 sprintf(device
, "/dev/c%dt%dd0_lp", i
, j
);
495 if (access(device
, 0) == 0)
496 printf("direct parallel:%s \"Unknown\" \"Parallel Port #%d,%d\"\n",
501 * Central Data parallel ports...
504 for (i
= 0; i
< 9; i
++)
505 for (j
= 0; j
< 8; j
++)
506 for (n
= 0; n
< 32; n
++)
508 if (i
== 8) /* EtherLite */
509 sprintf(device
, "/dev/lpN%d%c", j
, funky_hex
[n
]);
511 sprintf(device
, "/dev/lp%c%d%c", i
+ 'C', j
,
514 if (access(device
, 0) == 0)
517 printf("direct parallel:%s \"Unknown\" \"Central Data EtherLite Parallel Port, ID %d, port %d\"\n",
520 printf("direct parallel:%s \"Unknown\" \"Central Data SCSI Parallel Port, logical bus %d, ID %d, port %d\"\n",
524 #elif defined(__osf__)
525 int i
; /* Looping var */
526 int fd
; /* File descriptor */
527 char device
[255]; /* Device filename */
530 for (i
= 0; i
< 3; i
++)
532 sprintf(device
, "/dev/lp%d", i
);
533 if ((fd
= open(device
, O_WRONLY
)) >= 0)
536 printf("direct parallel:%s \"Unknown\" \"Parallel Port #%d\"\n", device
, i
+ 1);
539 #elif defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__NetBSD__) || defined(__DragonFly__)
540 int i
; /* Looping var */
541 int fd
; /* File descriptor */
542 char device
[255]; /* Device filename */
545 for (i
= 0; i
< 3; i
++)
547 sprintf(device
, "/dev/lpt%d", i
);
548 if ((fd
= open(device
, O_WRONLY
)) >= 0)
551 printf("direct parallel:%s \"Unknown\" \"Parallel Port #%d (interrupt-driven)\"\n", device
, i
+ 1);
554 sprintf(device
, "/dev/lpa%d", i
);
555 if ((fd
= open(device
, O_WRONLY
)) >= 0)
558 printf("direct parallel:%s \"Unknown\" \"Parallel Port #%d (polled)\"\n", device
, i
+ 1);
562 int i
; /* Looping var */
563 int fd
; /* File descriptor */
564 char device
[255]; /* Device filename */
567 for (i
= 0; i
< 8; i
++)
569 sprintf(device
, "/dev/lp%d", i
);
570 if ((fd
= open(device
, O_WRONLY
)) >= 0)
573 printf("direct parallel:%s \"Unknown\" \"Parallel Port #%d\"\n", device
, i
+ 1);
581 * End of "$Id: parallel.c 5726 2006-07-12 20:00:11Z mike $".