]>
git.ipfire.org Git - thirdparty/cups.git/blob - backend/parallel.c
2 * "$Id: parallel.c 181 2006-06-22 20:01:18Z jlovell $"
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(__linux) && defined(LP_POUTPA)
96 unsigned int status
; /* Port status (off-line, out-of-paper, etc.) */
97 int paperout
; /* Paper out? */
98 #endif /* __linux && LP_POUTPA */
99 #if defined(HAVE_SIGACTION) && !defined(HAVE_SIGSET)
100 struct sigaction action
; /* Actions for POSIX signals */
101 #endif /* HAVE_SIGACTION && !HAVE_SIGSET */
105 * Make sure status messages are not buffered...
108 setbuf(stderr
, NULL
);
111 * Ignore SIGPIPE signals...
115 sigset(SIGPIPE
, SIG_IGN
);
116 #elif defined(HAVE_SIGACTION)
117 memset(&action
, 0, sizeof(action
));
118 action
.sa_handler
= SIG_IGN
;
119 sigaction(SIGPIPE
, &action
, NULL
);
121 signal(SIGPIPE
, SIG_IGN
);
122 #endif /* HAVE_SIGSET */
125 * Check command-line...
131 return (CUPS_BACKEND_OK
);
133 else if (argc
< 6 || argc
> 7)
135 fputs("Usage: parallel job-id user title copies options [file]\n", stderr
);
136 return (CUPS_BACKEND_FAILED
);
140 * If we have 7 arguments, print the file named on the command-line.
141 * Otherwise, send stdin instead...
152 * Try to open the print file...
155 if ((print_fd
= open(argv
[6], O_RDONLY
)) < 0)
157 perror("ERROR: unable to open print file");
158 return (CUPS_BACKEND_FAILED
);
161 copies
= atoi(argv
[4]);
165 * Extract the device name and options from the URI...
168 httpSeparateURI(HTTP_URI_CODING_ALL
, cupsBackendDeviceURI(argv
),
169 method
, sizeof(method
), username
, sizeof(username
),
170 hostname
, sizeof(hostname
), &port
,
171 resource
, sizeof(resource
));
174 * See if there are any options...
177 if ((options
= strchr(resource
, '?')) != NULL
)
180 * Yup, terminate the device name string and move to the first
181 * character of the options...
188 * Open the parallel port device...
191 fputs("STATE: +connecting-to-device\n", stderr
);
195 if ((device_fd
= open(resource
, O_WRONLY
| O_EXCL
)) == -1)
197 if (getenv("CLASS") != NULL
)
200 * If the CLASS environment variable is set, the job was submitted
201 * to a class and not to a specific queue. In this case, we want
202 * to abort immediately so that the job can be requeued on the next
203 * available printer in the class.
206 fputs("INFO: Unable to open parallel port, queuing on next printer "
207 "in class...\n", stderr
);
210 * Sleep 5 seconds to keep the job from requeuing too rapidly...
215 return (CUPS_BACKEND_FAILED
);
220 fputs("INFO: Parallel port busy; will retry in 30 seconds...\n",
224 else if (errno
== ENXIO
|| errno
== EIO
|| errno
== ENOENT
)
226 fputs("INFO: Printer not connected; will retry in 30 seconds...\n",
233 "ERROR: Unable to open parallel port device file \"%s\": %s\n",
234 resource
, strerror(errno
));
235 return (CUPS_BACKEND_FAILED
);
239 while (device_fd
< 0);
241 fputs("STATE: -connecting-to-device\n", stderr
);
244 * Set any options provided...
247 tcgetattr(device_fd
, &opts
);
249 opts
.c_lflag
&= ~(ICANON
| ECHO
| ISIG
); /* Raw mode */
251 /**** No options supported yet ****/
253 tcsetattr(device_fd
, TCSANOW
, &opts
);
255 #if defined(__linux) && defined(LP_POUTPA)
257 * Show the printer status before we send the file...
262 while (!ioctl(fd
, LPGETSTATUS
, &status
))
264 fprintf(stderr
, "DEBUG: LPGETSTATUS returned a port status of %02X...\n", status
);
266 if (status
& LP_POUTPA
)
268 fputs("WARNING: Media tray empty!\n", stderr
);
269 fputs("STATUS: +media-tray-empty-error\n", stderr
);
274 if (!(status
& LP_PERRORP
))
275 fputs("WARNING: Printer fault!\n", stderr
);
276 else if (!(status
& LP_PSELECD
))
277 fputs("WARNING: Printer off-line.\n", stderr
);
283 #endif /* __linux && LP_POUTPA */
286 * Finally, send the print file...
291 while (copies
> 0 && tbytes
>= 0)
297 fputs("PAGE: 1 1\n", stderr
);
298 lseek(print_fd
, 0, SEEK_SET
);
301 tbytes
= backendRunLoop(print_fd
, device_fd
, 1);
303 if (print_fd
!= 0 && tbytes
>= 0)
304 fprintf(stderr
, "INFO: Sent print file, " CUPS_LLFMT
" bytes...\n",
309 * Close the socket connection and input file and return...
317 return (tbytes
< 0 ? CUPS_BACKEND_FAILED
: CUPS_BACKEND_OK
);
322 * 'list_devices()' - List all parallel devices.
328 #if defined(__hpux) || defined(__sgi) || defined(__sun)
329 static char *funky_hex
= "0123456789abcdefghijklmnopqrstuvwxyz";
330 /* Funky hex numbering used for some devices */
331 #endif /* __hpux || __sgi || __sun */
334 int i
; /* Looping var */
335 int fd
; /* File descriptor */
336 char device
[255], /* Device filename */
337 basedevice
[255], /* Base device filename for ports */
338 device_id
[1024], /* Device ID string */
339 make_model
[1024]; /* Make and model */
342 if (!access("/dev/parallel/", 0))
343 strcpy(basedevice
, "/dev/parallel/");
344 else if (!access("/dev/printers/", 0))
345 strcpy(basedevice
, "/dev/printers/");
347 strcpy(basedevice
, "/dev/lp");
349 for (i
= 0; i
< 4; i
++)
352 * Open the port, if available...
355 sprintf(device
, "%s%d", basedevice
, i
);
356 if ((fd
= open(device
, O_RDWR
| O_EXCL
)) < 0)
357 fd
= open(device
, O_WRONLY
);
362 * Now grab the IEEE 1284 device ID string...
365 if (!backendGetDeviceID(fd
, device_id
, sizeof(device_id
),
366 make_model
, sizeof(make_model
),
368 printf("direct parallel:%s \"%s\" \"%s LPT #%d\" \"%s\"\n", device
,
369 make_model
, make_model
, i
+ 1, device_id
);
371 printf("direct parallel:%s \"Unknown\" \"LPT #%d\"\n", device
, i
+ 1);
377 int i
, j
, n
; /* Looping vars */
378 char device
[255]; /* Device filename */
379 inventory_t
*inv
; /* Hardware inventory info */
383 * IRIX maintains a hardware inventory of most devices...
388 while ((inv
= getinvent()) != NULL
)
390 if (inv
->inv_class
== INV_PARALLEL
&&
391 (inv
->inv_type
== INV_ONBOARD_PLP
||
392 inv
->inv_type
== INV_EPP_ECP_PLP
))
395 * Standard parallel port...
398 puts("direct parallel:/dev/plp \"Unknown\" \"Onboard Parallel Port\"");
400 else if (inv
->inv_class
== INV_PARALLEL
&&
401 inv
->inv_type
== INV_EPC_PLP
)
404 * EPC parallel port...
407 printf("direct parallel:/dev/plp%d \"Unknown\" \"Integral EPC parallel port, Ebus slot %d\"\n",
408 inv
->inv_controller
, inv
->inv_controller
);
415 * Central Data makes serial and parallel "servers" that can be
416 * connected in a number of ways. Look for ports...
419 for (i
= 0; i
< 10; i
++)
420 for (j
= 0; j
< 8; j
++)
421 for (n
= 0; n
< 32; n
++)
423 if (i
== 8) /* EtherLite */
424 sprintf(device
, "/dev/lpn%d%c", j
, funky_hex
[n
]);
425 else if (i
== 9) /* PCI */
426 sprintf(device
, "/dev/lpp%d%c", j
, funky_hex
[n
]);
428 sprintf(device
, "/dev/lp%d%d%c", i
, j
, funky_hex
[n
]);
430 if (access(device
, 0) == 0)
433 printf("direct parallel:%s \"Unknown\" \"Central Data EtherLite Parallel Port, ID %d, port %d\"\n",
436 printf("direct parallel:%s \"Unknown\" \"Central Data PCI Parallel Port, ID %d, port %d\"\n",
439 printf("direct parallel:%s \"Unknown\" \"Central Data SCSI Parallel Port, logical bus %d, ID %d, port %d\"\n",
444 int i
, j
, n
; /* Looping vars */
445 char device
[255]; /* Device filename */
449 * Standard parallel ports...
452 for (i
= 0; i
< 10; i
++)
454 sprintf(device
, "/dev/ecpp%d", i
);
455 if (access(device
, 0) == 0)
456 printf("direct parallel:%s \"Unknown\" \"Sun IEEE-1284 Parallel Port #%d\"\n",
460 for (i
= 0; i
< 10; i
++)
462 sprintf(device
, "/dev/bpp%d", i
);
463 if (access(device
, 0) == 0)
464 printf("direct parallel:%s \"Unknown\" \"Sun Standard Parallel Port #%d\"\n",
468 for (i
= 0; i
< 3; i
++)
470 sprintf(device
, "/dev/lp%d", i
);
472 if (access(device
, 0) == 0)
473 printf("direct parallel:%s \"Unknown\" \"PC Parallel Port #%d\"\n",
478 * MAGMA parallel ports...
481 for (i
= 0; i
< 40; i
++)
483 sprintf(device
, "/dev/pm%02d", i
);
484 if (access(device
, 0) == 0)
485 printf("direct parallel:%s \"Unknown\" \"MAGMA Parallel Board #%d Port #%d\"\n",
486 device
, (i
/ 10) + 1, (i
% 10) + 1);
490 * Central Data parallel ports...
493 for (i
= 0; i
< 9; i
++)
494 for (j
= 0; j
< 8; j
++)
495 for (n
= 0; n
< 32; n
++)
497 if (i
== 8) /* EtherLite */
498 sprintf(device
, "/dev/sts/lpN%d%c", j
, funky_hex
[n
]);
500 sprintf(device
, "/dev/sts/lp%c%d%c", i
+ 'C', j
,
503 if (access(device
, 0) == 0)
506 printf("direct parallel:%s \"Unknown\" \"Central Data EtherLite Parallel Port, ID %d, port %d\"\n",
509 printf("direct parallel:%s \"Unknown\" \"Central Data SCSI Parallel Port, logical bus %d, ID %d, port %d\"\n",
513 #elif defined(__hpux)
514 int i
, j
, n
; /* Looping vars */
515 char device
[255]; /* Device filename */
519 * Standard parallel ports...
522 if (access("/dev/rlp", 0) == 0)
523 puts("direct parallel:/dev/rlp \"Unknown\" \"Standard Parallel Port (/dev/rlp)\"");
525 for (i
= 0; i
< 7; i
++)
526 for (j
= 0; j
< 7; j
++)
528 sprintf(device
, "/dev/c%dt%dd0_lp", i
, j
);
529 if (access(device
, 0) == 0)
530 printf("direct parallel:%s \"Unknown\" \"Parallel Port #%d,%d\"\n",
535 * Central Data parallel ports...
538 for (i
= 0; i
< 9; i
++)
539 for (j
= 0; j
< 8; j
++)
540 for (n
= 0; n
< 32; n
++)
542 if (i
== 8) /* EtherLite */
543 sprintf(device
, "/dev/lpN%d%c", j
, funky_hex
[n
]);
545 sprintf(device
, "/dev/lp%c%d%c", i
+ 'C', j
,
548 if (access(device
, 0) == 0)
551 printf("direct parallel:%s \"Unknown\" \"Central Data EtherLite Parallel Port, ID %d, port %d\"\n",
554 printf("direct parallel:%s \"Unknown\" \"Central Data SCSI Parallel Port, logical bus %d, ID %d, port %d\"\n",
558 #elif defined(__osf__)
559 int i
; /* Looping var */
560 int fd
; /* File descriptor */
561 char device
[255]; /* Device filename */
564 for (i
= 0; i
< 3; i
++)
566 sprintf(device
, "/dev/lp%d", i
);
567 if ((fd
= open(device
, O_WRONLY
)) >= 0)
570 printf("direct parallel:%s \"Unknown\" \"Parallel Port #%d\"\n", device
, i
+ 1);
573 #elif defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__NetBSD__) || defined(__DragonFly__)
574 int i
; /* Looping var */
575 int fd
; /* File descriptor */
576 char device
[255]; /* Device filename */
579 for (i
= 0; i
< 3; i
++)
581 sprintf(device
, "/dev/lpt%d", i
);
582 if ((fd
= open(device
, O_WRONLY
)) >= 0)
585 printf("direct parallel:%s \"Unknown\" \"Parallel Port #%d (interrupt-driven)\"\n", device
, i
+ 1);
588 sprintf(device
, "/dev/lpa%d", i
);
589 if ((fd
= open(device
, O_WRONLY
)) >= 0)
592 printf("direct parallel:%s \"Unknown\" \"Parallel Port #%d (polled)\"\n", device
, i
+ 1);
596 int i
; /* Looping var */
597 int fd
; /* File descriptor */
598 char device
[255]; /* Device filename */
601 for (i
= 0; i
< 8; i
++)
603 sprintf(device
, "/dev/lp%d", i
);
604 if ((fd
= open(device
, O_WRONLY
)) >= 0)
607 printf("direct parallel:%s \"Unknown\" \"Parallel Port #%d\"\n", device
, i
+ 1);
615 * End of "$Id: parallel.c 181 2006-06-22 20:01:18Z jlovell $".