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ef416fc2 | 1 | /* |
8ca02f3c | 2 | * "$Id: parallel.c 5726 2006-07-12 20:00:11Z mike $" |
ef416fc2 | 3 | * |
4 | * Parallel port backend for the Common UNIX Printing System (CUPS). | |
5 | * | |
6 | * Copyright 1997-2006 by Easy Software Products, all rights reserved. | |
7 | * | |
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 | |
13 | * at: | |
14 | * | |
15 | * Attn: CUPS Licensing Information | |
16 | * Easy Software Products | |
17 | * 44141 Airport View Drive, Suite 204 | |
18 | * Hollywood, Maryland 20636 USA | |
19 | * | |
20 | * Voice: (301) 373-9600 | |
21 | * EMail: cups-info@cups.org | |
22 | * WWW: http://www.cups.org | |
23 | * | |
24 | * This file is subject to the Apple OS-Developed Software exception. | |
25 | * | |
26 | * Contents: | |
27 | * | |
28 | * main() - Send a file to the specified parallel port. | |
29 | * list_devices() - List all parallel devices. | |
30 | */ | |
31 | ||
32 | /* | |
33 | * Include necessary headers. | |
34 | */ | |
35 | ||
ed486911 | 36 | #include "backend-private.h" |
ef416fc2 | 37 | |
b423cd4c | 38 | #ifdef __hpux |
39 | # include <sys/time.h> | |
40 | #else | |
41 | # include <sys/select.h> | |
42 | #endif /* __hpux */ | |
43 | ||
ef416fc2 | 44 | #ifdef WIN32 |
45 | # include <io.h> | |
46 | #else | |
47 | # include <unistd.h> | |
48 | # include <fcntl.h> | |
49 | # include <termios.h> | |
50 | # include <sys/socket.h> | |
51 | #endif /* WIN32 */ | |
52 | ||
53 | #ifdef __sgi | |
54 | # include <invent.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 */ | |
62 | #endif /* __sgi */ | |
63 | ||
64 | ||
65 | /* | |
66 | * Local functions... | |
67 | */ | |
68 | ||
69 | void list_devices(void); | |
70 | ||
71 | ||
72 | /* | |
73 | * 'main()' - Send a file to the specified parallel port. | |
74 | * | |
75 | * Usage: | |
76 | * | |
77 | * printer-uri job-id user title copies options [file] | |
78 | */ | |
79 | ||
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 */ | |
83 | { | |
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) */ | |
ed486911 | 90 | int print_fd, /* Print file */ |
91 | device_fd; /* Parallel device */ | |
ef416fc2 | 92 | int copies; /* Number of copies to print */ |
ed486911 | 93 | size_t tbytes; /* Total number of bytes written */ |
ef416fc2 | 94 | struct termios opts; /* Parallel port options */ |
ef416fc2 | 95 | #if defined(HAVE_SIGACTION) && !defined(HAVE_SIGSET) |
96 | struct sigaction action; /* Actions for POSIX signals */ | |
97 | #endif /* HAVE_SIGACTION && !HAVE_SIGSET */ | |
ef416fc2 | 98 | |
99 | ||
100 | /* | |
101 | * Make sure status messages are not buffered... | |
102 | */ | |
103 | ||
104 | setbuf(stderr, NULL); | |
105 | ||
106 | /* | |
107 | * Ignore SIGPIPE signals... | |
108 | */ | |
109 | ||
110 | #ifdef HAVE_SIGSET | |
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); | |
116 | #else | |
117 | signal(SIGPIPE, SIG_IGN); | |
118 | #endif /* HAVE_SIGSET */ | |
119 | ||
120 | /* | |
121 | * Check command-line... | |
122 | */ | |
123 | ||
124 | if (argc == 1) | |
125 | { | |
126 | list_devices(); | |
127 | return (CUPS_BACKEND_OK); | |
128 | } | |
129 | else if (argc < 6 || argc > 7) | |
130 | { | |
131 | fputs("Usage: parallel job-id user title copies options [file]\n", stderr); | |
132 | return (CUPS_BACKEND_FAILED); | |
133 | } | |
134 | ||
135 | /* | |
136 | * If we have 7 arguments, print the file named on the command-line. | |
137 | * Otherwise, send stdin instead... | |
138 | */ | |
139 | ||
140 | if (argc == 6) | |
141 | { | |
ed486911 | 142 | print_fd = 0; |
143 | copies = 1; | |
ef416fc2 | 144 | } |
145 | else | |
146 | { | |
147 | /* | |
148 | * Try to open the print file... | |
149 | */ | |
150 | ||
ed486911 | 151 | if ((print_fd = open(argv[6], O_RDONLY)) < 0) |
ef416fc2 | 152 | { |
153 | perror("ERROR: unable to open print file"); | |
154 | return (CUPS_BACKEND_FAILED); | |
155 | } | |
156 | ||
157 | copies = atoi(argv[4]); | |
158 | } | |
159 | ||
160 | /* | |
161 | * Extract the device name and options from the URI... | |
162 | */ | |
163 | ||
a4d04587 | 164 | httpSeparateURI(HTTP_URI_CODING_ALL, cupsBackendDeviceURI(argv), |
165 | method, sizeof(method), username, sizeof(username), | |
166 | hostname, sizeof(hostname), &port, | |
ef416fc2 | 167 | resource, sizeof(resource)); |
168 | ||
169 | /* | |
170 | * See if there are any options... | |
171 | */ | |
172 | ||
173 | if ((options = strchr(resource, '?')) != NULL) | |
174 | { | |
175 | /* | |
176 | * Yup, terminate the device name string and move to the first | |
177 | * character of the options... | |
178 | */ | |
179 | ||
180 | *options++ = '\0'; | |
181 | } | |
182 | ||
183 | /* | |
184 | * Open the parallel port device... | |
185 | */ | |
186 | ||
757d2cad | 187 | fputs("STATE: +connecting-to-device\n", stderr); |
188 | ||
ef416fc2 | 189 | do |
190 | { | |
ed486911 | 191 | if ((device_fd = open(resource, O_WRONLY | O_EXCL)) == -1) |
ef416fc2 | 192 | { |
193 | if (getenv("CLASS") != NULL) | |
194 | { | |
195 | /* | |
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. | |
200 | */ | |
201 | ||
ed486911 | 202 | fputs("INFO: Unable to open parallel port, queuing on next printer " |
203 | "in class...\n", stderr); | |
ef416fc2 | 204 | |
205 | /* | |
206 | * Sleep 5 seconds to keep the job from requeuing too rapidly... | |
207 | */ | |
208 | ||
209 | sleep(5); | |
210 | ||
211 | return (CUPS_BACKEND_FAILED); | |
212 | } | |
213 | ||
214 | if (errno == EBUSY) | |
215 | { | |
ed486911 | 216 | fputs("INFO: Parallel port busy; will retry in 30 seconds...\n", |
217 | stderr); | |
ef416fc2 | 218 | sleep(30); |
219 | } | |
220 | else if (errno == ENXIO || errno == EIO || errno == ENOENT) | |
221 | { | |
ed486911 | 222 | fputs("INFO: Printer not connected; will retry in 30 seconds...\n", |
223 | stderr); | |
ef416fc2 | 224 | sleep(30); |
225 | } | |
226 | else | |
227 | { | |
ed486911 | 228 | fprintf(stderr, |
229 | "ERROR: Unable to open parallel port device file \"%s\": %s\n", | |
ef416fc2 | 230 | resource, strerror(errno)); |
231 | return (CUPS_BACKEND_FAILED); | |
232 | } | |
233 | } | |
234 | } | |
ed486911 | 235 | while (device_fd < 0); |
ef416fc2 | 236 | |
757d2cad | 237 | fputs("STATE: -connecting-to-device\n", stderr); |
238 | ||
ef416fc2 | 239 | /* |
240 | * Set any options provided... | |
241 | */ | |
242 | ||
ed486911 | 243 | tcgetattr(device_fd, &opts); |
ef416fc2 | 244 | |
245 | opts.c_lflag &= ~(ICANON | ECHO | ISIG); /* Raw mode */ | |
246 | ||
247 | /**** No options supported yet ****/ | |
248 | ||
ed486911 | 249 | tcsetattr(device_fd, TCSANOW, &opts); |
ef416fc2 | 250 | |
ef416fc2 | 251 | /* |
252 | * Finally, send the print file... | |
253 | */ | |
254 | ||
ed486911 | 255 | tbytes = 0; |
ef416fc2 | 256 | |
ed486911 | 257 | while (copies > 0 && tbytes >= 0) |
ef416fc2 | 258 | { |
259 | copies --; | |
260 | ||
ed486911 | 261 | if (print_fd != 0) |
ef416fc2 | 262 | { |
263 | fputs("PAGE: 1 1\n", stderr); | |
ed486911 | 264 | lseek(print_fd, 0, SEEK_SET); |
ef416fc2 | 265 | } |
266 | ||
ed486911 | 267 | tbytes = backendRunLoop(print_fd, device_fd, 1); |
ef416fc2 | 268 | |
ed486911 | 269 | if (print_fd != 0 && tbytes >= 0) |
270 | fprintf(stderr, "INFO: Sent print file, " CUPS_LLFMT " bytes...\n", | |
271 | CUPS_LLCAST tbytes); | |
ef416fc2 | 272 | } |
273 | ||
274 | /* | |
275 | * Close the socket connection and input file and return... | |
276 | */ | |
277 | ||
ed486911 | 278 | close(device_fd); |
279 | ||
280 | if (print_fd != 0) | |
281 | close(print_fd); | |
ef416fc2 | 282 | |
ed486911 | 283 | return (tbytes < 0 ? CUPS_BACKEND_FAILED : CUPS_BACKEND_OK); |
ef416fc2 | 284 | } |
285 | ||
286 | ||
287 | /* | |
288 | * 'list_devices()' - List all parallel devices. | |
289 | */ | |
290 | ||
291 | void | |
292 | list_devices(void) | |
293 | { | |
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 */ | |
298 | ||
299 | #ifdef __linux | |
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 */ | |
306 | ||
307 | ||
308 | if (!access("/dev/parallel/", 0)) | |
309 | strcpy(basedevice, "/dev/parallel/"); | |
310 | else if (!access("/dev/printers/", 0)) | |
311 | strcpy(basedevice, "/dev/printers/"); | |
ef416fc2 | 312 | else |
313 | strcpy(basedevice, "/dev/lp"); | |
314 | ||
315 | for (i = 0; i < 4; i ++) | |
316 | { | |
317 | /* | |
318 | * Open the port, if available... | |
319 | */ | |
320 | ||
321 | sprintf(device, "%s%d", basedevice, i); | |
322 | if ((fd = open(device, O_RDWR | O_EXCL)) < 0) | |
323 | fd = open(device, O_WRONLY); | |
324 | ||
325 | if (fd >= 0) | |
326 | { | |
327 | /* | |
328 | * Now grab the IEEE 1284 device ID string... | |
329 | */ | |
330 | ||
ed486911 | 331 | if (!backendGetDeviceID(fd, device_id, sizeof(device_id), |
332 | make_model, sizeof(make_model), | |
333 | NULL, NULL, 0)) | |
ef416fc2 | 334 | printf("direct parallel:%s \"%s\" \"%s LPT #%d\" \"%s\"\n", device, |
335 | make_model, make_model, i + 1, device_id); | |
336 | else | |
337 | printf("direct parallel:%s \"Unknown\" \"LPT #%d\"\n", device, i + 1); | |
338 | ||
339 | close(fd); | |
340 | } | |
341 | } | |
342 | #elif defined(__sgi) | |
343 | int i, j, n; /* Looping vars */ | |
344 | char device[255]; /* Device filename */ | |
345 | inventory_t *inv; /* Hardware inventory info */ | |
346 | ||
347 | ||
348 | /* | |
349 | * IRIX maintains a hardware inventory of most devices... | |
350 | */ | |
351 | ||
352 | setinvent(); | |
353 | ||
354 | while ((inv = getinvent()) != NULL) | |
355 | { | |
356 | if (inv->inv_class == INV_PARALLEL && | |
357 | (inv->inv_type == INV_ONBOARD_PLP || | |
358 | inv->inv_type == INV_EPP_ECP_PLP)) | |
359 | { | |
360 | /* | |
361 | * Standard parallel port... | |
362 | */ | |
363 | ||
364 | puts("direct parallel:/dev/plp \"Unknown\" \"Onboard Parallel Port\""); | |
365 | } | |
366 | else if (inv->inv_class == INV_PARALLEL && | |
367 | inv->inv_type == INV_EPC_PLP) | |
368 | { | |
369 | /* | |
370 | * EPC parallel port... | |
371 | */ | |
372 | ||
373 | printf("direct parallel:/dev/plp%d \"Unknown\" \"Integral EPC parallel port, Ebus slot %d\"\n", | |
374 | inv->inv_controller, inv->inv_controller); | |
375 | } | |
376 | } | |
377 | ||
378 | endinvent(); | |
379 | ||
380 | /* | |
381 | * Central Data makes serial and parallel "servers" that can be | |
382 | * connected in a number of ways. Look for ports... | |
383 | */ | |
384 | ||
385 | for (i = 0; i < 10; i ++) | |
386 | for (j = 0; j < 8; j ++) | |
387 | for (n = 0; n < 32; n ++) | |
388 | { | |
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]); | |
393 | else /* SCSI */ | |
394 | sprintf(device, "/dev/lp%d%d%c", i, j, funky_hex[n]); | |
395 | ||
396 | if (access(device, 0) == 0) | |
397 | { | |
398 | if (i == 8) | |
399 | printf("direct parallel:%s \"Unknown\" \"Central Data EtherLite Parallel Port, ID %d, port %d\"\n", | |
400 | device, j, n); | |
401 | else if (i == 9) | |
402 | printf("direct parallel:%s \"Unknown\" \"Central Data PCI Parallel Port, ID %d, port %d\"\n", | |
403 | device, j, n); | |
404 | else | |
405 | printf("direct parallel:%s \"Unknown\" \"Central Data SCSI Parallel Port, logical bus %d, ID %d, port %d\"\n", | |
406 | device, i, j, n); | |
407 | } | |
408 | } | |
409 | #elif defined(__sun) | |
410 | int i, j, n; /* Looping vars */ | |
411 | char device[255]; /* Device filename */ | |
412 | ||
413 | ||
414 | /* | |
415 | * Standard parallel ports... | |
416 | */ | |
417 | ||
418 | for (i = 0; i < 10; i ++) | |
419 | { | |
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", | |
423 | device, i + 1); | |
424 | } | |
425 | ||
426 | for (i = 0; i < 10; i ++) | |
427 | { | |
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", | |
431 | device, i + 1); | |
432 | } | |
433 | ||
434 | for (i = 0; i < 3; i ++) | |
435 | { | |
436 | sprintf(device, "/dev/lp%d", i); | |
437 | ||
438 | if (access(device, 0) == 0) | |
439 | printf("direct parallel:%s \"Unknown\" \"PC Parallel Port #%d\"\n", | |
440 | device, i + 1); | |
441 | } | |
442 | ||
443 | /* | |
444 | * MAGMA parallel ports... | |
445 | */ | |
446 | ||
447 | for (i = 0; i < 40; i ++) | |
448 | { | |
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); | |
453 | } | |
454 | ||
455 | /* | |
456 | * Central Data parallel ports... | |
457 | */ | |
458 | ||
459 | for (i = 0; i < 9; i ++) | |
460 | for (j = 0; j < 8; j ++) | |
461 | for (n = 0; n < 32; n ++) | |
462 | { | |
463 | if (i == 8) /* EtherLite */ | |
464 | sprintf(device, "/dev/sts/lpN%d%c", j, funky_hex[n]); | |
465 | else | |
466 | sprintf(device, "/dev/sts/lp%c%d%c", i + 'C', j, | |
467 | funky_hex[n]); | |
468 | ||
469 | if (access(device, 0) == 0) | |
470 | { | |
471 | if (i == 8) | |
472 | printf("direct parallel:%s \"Unknown\" \"Central Data EtherLite Parallel Port, ID %d, port %d\"\n", | |
473 | device, j, n); | |
474 | else | |
475 | printf("direct parallel:%s \"Unknown\" \"Central Data SCSI Parallel Port, logical bus %d, ID %d, port %d\"\n", | |
476 | device, i, j, n); | |
477 | } | |
478 | } | |
479 | #elif defined(__hpux) | |
480 | int i, j, n; /* Looping vars */ | |
481 | char device[255]; /* Device filename */ | |
482 | ||
483 | ||
484 | /* | |
485 | * Standard parallel ports... | |
486 | */ | |
487 | ||
488 | if (access("/dev/rlp", 0) == 0) | |
489 | puts("direct parallel:/dev/rlp \"Unknown\" \"Standard Parallel Port (/dev/rlp)\""); | |
490 | ||
491 | for (i = 0; i < 7; i ++) | |
492 | for (j = 0; j < 7; j ++) | |
493 | { | |
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", | |
497 | device, i, j); | |
498 | } | |
499 | ||
500 | /* | |
501 | * Central Data parallel ports... | |
502 | */ | |
503 | ||
504 | for (i = 0; i < 9; i ++) | |
505 | for (j = 0; j < 8; j ++) | |
506 | for (n = 0; n < 32; n ++) | |
507 | { | |
508 | if (i == 8) /* EtherLite */ | |
509 | sprintf(device, "/dev/lpN%d%c", j, funky_hex[n]); | |
510 | else | |
511 | sprintf(device, "/dev/lp%c%d%c", i + 'C', j, | |
512 | funky_hex[n]); | |
513 | ||
514 | if (access(device, 0) == 0) | |
515 | { | |
516 | if (i == 8) | |
517 | printf("direct parallel:%s \"Unknown\" \"Central Data EtherLite Parallel Port, ID %d, port %d\"\n", | |
518 | device, j, n); | |
519 | else | |
520 | printf("direct parallel:%s \"Unknown\" \"Central Data SCSI Parallel Port, logical bus %d, ID %d, port %d\"\n", | |
521 | device, i, j, n); | |
522 | } | |
523 | } | |
524 | #elif defined(__osf__) | |
525 | int i; /* Looping var */ | |
526 | int fd; /* File descriptor */ | |
527 | char device[255]; /* Device filename */ | |
528 | ||
529 | ||
530 | for (i = 0; i < 3; i ++) | |
531 | { | |
532 | sprintf(device, "/dev/lp%d", i); | |
533 | if ((fd = open(device, O_WRONLY)) >= 0) | |
534 | { | |
535 | close(fd); | |
536 | printf("direct parallel:%s \"Unknown\" \"Parallel Port #%d\"\n", device, i + 1); | |
537 | } | |
538 | } | |
b423cd4c | 539 | #elif defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__NetBSD__) || defined(__DragonFly__) |
ef416fc2 | 540 | int i; /* Looping var */ |
541 | int fd; /* File descriptor */ | |
542 | char device[255]; /* Device filename */ | |
543 | ||
544 | ||
545 | for (i = 0; i < 3; i ++) | |
546 | { | |
547 | sprintf(device, "/dev/lpt%d", i); | |
548 | if ((fd = open(device, O_WRONLY)) >= 0) | |
549 | { | |
550 | close(fd); | |
551 | printf("direct parallel:%s \"Unknown\" \"Parallel Port #%d (interrupt-driven)\"\n", device, i + 1); | |
552 | } | |
553 | ||
554 | sprintf(device, "/dev/lpa%d", i); | |
555 | if ((fd = open(device, O_WRONLY)) >= 0) | |
556 | { | |
557 | close(fd); | |
558 | printf("direct parallel:%s \"Unknown\" \"Parallel Port #%d (polled)\"\n", device, i + 1); | |
559 | } | |
560 | } | |
561 | #elif defined(_AIX) | |
562 | int i; /* Looping var */ | |
563 | int fd; /* File descriptor */ | |
564 | char device[255]; /* Device filename */ | |
565 | ||
566 | ||
567 | for (i = 0; i < 8; i ++) | |
568 | { | |
569 | sprintf(device, "/dev/lp%d", i); | |
570 | if ((fd = open(device, O_WRONLY)) >= 0) | |
571 | { | |
572 | close(fd); | |
573 | printf("direct parallel:%s \"Unknown\" \"Parallel Port #%d\"\n", device, i + 1); | |
574 | } | |
575 | } | |
576 | #endif | |
577 | } | |
578 | ||
579 | ||
580 | /* | |
8ca02f3c | 581 | * End of "$Id: parallel.c 5726 2006-07-12 20:00:11Z mike $". |
ef416fc2 | 582 | */ |