]>
Commit | Line | Data |
---|---|---|
ef416fc2 | 1 | /* |
2e4ff8af | 2 | * "$Id: usb-unix.c 6910 2007-09-04 20:34:29Z mike $" |
ef416fc2 | 3 | * |
4 | * USB port backend for the Common UNIX Printing System (CUPS). | |
5 | * | |
6 | * This file is included from "usb.c" when compiled on UNIX/Linux. | |
7 | * | |
bc44d920 | 8 | * Copyright 2007 by Apple Inc. |
f7deaa1a | 9 | * Copyright 1997-2007 by Easy Software Products, all rights reserved. |
ef416fc2 | 10 | * |
11 | * These coded instructions, statements, and computer programs are the | |
bc44d920 | 12 | * property of Apple Inc. and are protected by Federal copyright |
13 | * law. Distribution and use rights are outlined in the file "LICENSE.txt" | |
ef416fc2 | 14 | * "LICENSE" which should have been included with this file. If this |
bc44d920 | 15 | * file is missing or damaged, see the license at "http://www.cups.org/". |
ef416fc2 | 16 | * |
17 | * This file is subject to the Apple OS-Developed Software exception. | |
18 | * | |
19 | * Contents: | |
20 | * | |
ed486911 | 21 | * print_device() - Print a file to a USB device. |
ef416fc2 | 22 | * list_devices() - List all USB devices. |
ed486911 | 23 | * open_device() - Open a USB device... |
f7deaa1a | 24 | * side_cb() - Handle side-channel requests... |
ef416fc2 | 25 | */ |
26 | ||
27 | /* | |
28 | * Include necessary headers. | |
29 | */ | |
30 | ||
31 | #include "ieee1284.c" | |
32 | #include <sys/select.h> | |
33 | ||
34 | ||
35 | /* | |
36 | * Local functions... | |
37 | */ | |
38 | ||
f7deaa1a | 39 | static int open_device(const char *uri, int *use_bc); |
568fa3fa MS |
40 | static void side_cb(int print_fd, int device_fd, int snmp_fd, |
41 | http_addr_t *addr, int use_bc); | |
ef416fc2 | 42 | |
43 | ||
44 | /* | |
45 | * 'print_device()' - Print a file to a USB device. | |
46 | */ | |
47 | ||
48 | int /* O - Exit status */ | |
49 | print_device(const char *uri, /* I - Device URI */ | |
50 | const char *hostname, /* I - Hostname/manufacturer */ | |
51 | const char *resource, /* I - Resource/modelname */ | |
db1f069b | 52 | char *options, /* I - Device options/serial number */ |
ed486911 | 53 | int print_fd, /* I - File descriptor to print */ |
e53920b9 | 54 | int copies, /* I - Copies to print */ |
55 | int argc, /* I - Number of command-line arguments (6 or 7) */ | |
56 | char *argv[]) /* I - Command-line arguments */ | |
ef416fc2 | 57 | { |
ed486911 | 58 | int use_bc; /* Use backchannel path? */ |
59 | int device_fd; /* USB device */ | |
60 | size_t tbytes; /* Total number of bytes written */ | |
ef416fc2 | 61 | struct termios opts; /* Parallel port options */ |
ed486911 | 62 | |
ef416fc2 | 63 | |
e53920b9 | 64 | (void)argc; |
65 | (void)argv; | |
ef416fc2 | 66 | |
67 | /* | |
68 | * Open the USB port device... | |
69 | */ | |
70 | ||
757d2cad | 71 | fputs("STATE: +connecting-to-device\n", stderr); |
72 | ||
ef416fc2 | 73 | do |
74 | { | |
b94498cf | 75 | #if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(__DragonFly__) |
323c5de1 | 76 | /* |
b94498cf | 77 | * *BSD's ulpt driver currently does not support the |
78 | * back-channel, incorrectly returns data ready on a select(), | |
79 | * and locks up on read()... | |
323c5de1 | 80 | */ |
81 | ||
82 | use_bc = 0; | |
83 | ||
84 | #else | |
8ca02f3c | 85 | /* |
f7deaa1a | 86 | * Disable backchannel data when printing to Brother, Canon, or |
87 | * Minolta USB printers - apparently these printers will return | |
88 | * the IEEE-1284 device ID over and over and over when they get | |
89 | * a read request... | |
8ca02f3c | 90 | */ |
91 | ||
f7deaa1a | 92 | use_bc = strcasecmp(hostname, "Brother") && |
93 | strcasecmp(hostname, "Canon") && | |
0a682745 MS |
94 | strncasecmp(hostname, "Konica", 6) && |
95 | strncasecmp(hostname, "Minolta", 7); | |
b94498cf | 96 | #endif /* __FreeBSD__ || __NetBSD__ || __OpenBSD__ || __DragonFly__ */ |
8ca02f3c | 97 | |
98 | if ((device_fd = open_device(uri, &use_bc)) == -1) | |
ef416fc2 | 99 | { |
100 | if (getenv("CLASS") != NULL) | |
101 | { | |
102 | /* | |
103 | * If the CLASS environment variable is set, the job was submitted | |
104 | * to a class and not to a specific queue. In this case, we want | |
105 | * to abort immediately so that the job can be requeued on the next | |
106 | * available printer in the class. | |
107 | */ | |
108 | ||
db1f069b MS |
109 | _cupsLangPuts(stderr, |
110 | _("INFO: Unable to contact printer, queuing on next " | |
111 | "printer in class...\n")); | |
ef416fc2 | 112 | |
113 | /* | |
114 | * Sleep 5 seconds to keep the job from requeuing too rapidly... | |
115 | */ | |
116 | ||
117 | sleep(5); | |
118 | ||
119 | return (CUPS_BACKEND_FAILED); | |
120 | } | |
121 | ||
122 | if (errno == EBUSY) | |
123 | { | |
db1f069b MS |
124 | _cupsLangPuts(stderr, |
125 | _("INFO: Printer busy; will retry in 10 seconds...\n")); | |
c0e1af83 | 126 | sleep(10); |
ef416fc2 | 127 | } |
ed486911 | 128 | else if (errno == ENXIO || errno == EIO || errno == ENOENT || |
129 | errno == ENODEV) | |
ef416fc2 | 130 | { |
db1f069b MS |
131 | _cupsLangPuts(stderr, |
132 | _("INFO: Printer not connected; will retry in 30 " | |
133 | "seconds...\n")); | |
ef416fc2 | 134 | sleep(30); |
135 | } | |
136 | else | |
137 | { | |
db1f069b MS |
138 | _cupsLangPrintf(stderr, |
139 | _("ERROR: Unable to open device file \"%s\": %s\n"), | |
140 | resource, strerror(errno)); | |
ef416fc2 | 141 | return (CUPS_BACKEND_FAILED); |
142 | } | |
143 | } | |
144 | } | |
ed486911 | 145 | while (device_fd < 0); |
ef416fc2 | 146 | |
757d2cad | 147 | fputs("STATE: -connecting-to-device\n", stderr); |
148 | ||
ef416fc2 | 149 | /* |
150 | * Set any options provided... | |
151 | */ | |
152 | ||
ed486911 | 153 | tcgetattr(device_fd, &opts); |
ef416fc2 | 154 | |
155 | opts.c_lflag &= ~(ICANON | ECHO | ISIG); /* Raw mode */ | |
156 | ||
157 | /**** No options supported yet ****/ | |
158 | ||
ed486911 | 159 | tcsetattr(device_fd, TCSANOW, &opts); |
ef416fc2 | 160 | |
ef416fc2 | 161 | /* |
162 | * Finally, send the print file... | |
163 | */ | |
164 | ||
ed486911 | 165 | tbytes = 0; |
ef416fc2 | 166 | |
ed486911 | 167 | while (copies > 0 && tbytes >= 0) |
ef416fc2 | 168 | { |
169 | copies --; | |
170 | ||
ed486911 | 171 | if (print_fd != 0) |
ef416fc2 | 172 | { |
173 | fputs("PAGE: 1 1\n", stderr); | |
ed486911 | 174 | lseek(print_fd, 0, SEEK_SET); |
ef416fc2 | 175 | } |
176 | ||
568fa3fa | 177 | tbytes = backendRunLoop(print_fd, device_fd, -1, NULL, use_bc, side_cb); |
ef416fc2 | 178 | |
ed486911 | 179 | if (print_fd != 0 && tbytes >= 0) |
db1f069b | 180 | _cupsLangPrintf(stderr, |
c0e1af83 | 181 | #ifdef HAVE_LONG_LONG |
db1f069b | 182 | _("INFO: Sent print file, %lld bytes...\n"), |
c0e1af83 | 183 | #else |
db1f069b | 184 | _("INFO: Sent print file, %ld bytes...\n"), |
c0e1af83 | 185 | #endif /* HAVE_LONG_LONG */ |
db1f069b | 186 | CUPS_LLCAST tbytes); |
ef416fc2 | 187 | } |
188 | ||
189 | /* | |
190 | * Close the USB port and return... | |
191 | */ | |
192 | ||
ed486911 | 193 | close(device_fd); |
ef416fc2 | 194 | |
ed486911 | 195 | return (tbytes < 0 ? CUPS_BACKEND_FAILED : CUPS_BACKEND_OK); |
ef416fc2 | 196 | } |
197 | ||
198 | ||
199 | /* | |
200 | * 'list_devices()' - List all USB devices. | |
201 | */ | |
202 | ||
203 | void | |
204 | list_devices(void) | |
205 | { | |
206 | #ifdef __linux | |
2abf387c | 207 | int i; /* Looping var */ |
208 | int fd; /* File descriptor */ | |
209 | char device[255], /* Device filename */ | |
210 | device_id[1024], /* Device ID string */ | |
211 | device_uri[1024], /* Device URI string */ | |
212 | make_model[1024]; /* Make and model */ | |
ef416fc2 | 213 | |
214 | /* | |
2abf387c | 215 | * Try to open each USB device... |
ef416fc2 | 216 | */ |
217 | ||
218 | for (i = 0; i < 16; i ++) | |
219 | { | |
2abf387c | 220 | /* |
221 | * Linux has a long history of changing the standard filenames used | |
222 | * for USB printer devices. We get the honor of trying them all... | |
223 | */ | |
ef416fc2 | 224 | |
2abf387c | 225 | sprintf(device, "/dev/usblp%d", i); |
226 | ||
227 | if ((fd = open(device, O_RDWR | O_EXCL)) < 0) | |
ef416fc2 | 228 | { |
2abf387c | 229 | if (errno != ENOENT) |
230 | continue; | |
ef416fc2 | 231 | |
2abf387c | 232 | sprintf(device, "/dev/usb/lp%d", i); |
233 | ||
234 | if ((fd = open(device, O_RDWR | O_EXCL)) < 0) | |
235 | { | |
236 | if (errno != ENOENT) | |
237 | continue; | |
238 | ||
239 | sprintf(device, "/dev/usb/usblp%d", i); | |
240 | ||
241 | if ((fd = open(device, O_RDWR | O_EXCL)) < 0) | |
242 | continue; | |
243 | } | |
ef416fc2 | 244 | } |
2abf387c | 245 | |
246 | if (!backendGetDeviceID(fd, device_id, sizeof(device_id), | |
247 | make_model, sizeof(make_model), | |
248 | "usb", device_uri, sizeof(device_uri))) | |
249 | printf("direct %s \"%s\" \"%s USB #%d\" \"%s\"\n", device_uri, | |
250 | make_model, make_model, i + 1, device_id); | |
251 | ||
252 | close(fd); | |
ef416fc2 | 253 | } |
254 | #elif defined(__sgi) | |
255 | #elif defined(__sun) && defined(ECPPIOC_GETDEVID) | |
256 | int i; /* Looping var */ | |
257 | int fd; /* File descriptor */ | |
258 | char device[255], /* Device filename */ | |
259 | device_id[1024], /* Device ID string */ | |
260 | device_uri[1024], /* Device URI string */ | |
261 | make_model[1024]; /* Make and model */ | |
ef416fc2 | 262 | |
263 | ||
264 | /* | |
265 | * Open each USB device... | |
266 | */ | |
267 | ||
268 | for (i = 0; i < 8; i ++) | |
269 | { | |
270 | sprintf(device, "/dev/usb/printer%d", i); | |
271 | ||
8ca02f3c | 272 | if ((fd = open(device, O_WRONLY | O_EXCL)) >= 0) |
ef416fc2 | 273 | { |
ed486911 | 274 | if (!backendGetDeviceID(fd, device_id, sizeof(device_id), |
275 | make_model, sizeof(make_model), | |
276 | "usb", device_uri, sizeof(device_uri))) | |
ef416fc2 | 277 | printf("direct %s \"%s\" \"%s USB #%d\" \"%s\"\n", device_uri, |
278 | make_model, make_model, i + 1, device_id); | |
279 | ||
280 | close(fd); | |
281 | } | |
282 | } | |
283 | #elif defined(__hpux) | |
284 | #elif defined(__osf) | |
2e4ff8af | 285 | #elif defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(__DragonFly__) || defined(__FreeBSD_kernel__) |
ef416fc2 | 286 | int i; /* Looping var */ |
287 | char device[255]; /* Device filename */ | |
288 | ||
289 | ||
290 | for (i = 0; i < 8; i ++) | |
291 | { | |
292 | sprintf(device, "/dev/ulpt%d", i); | |
293 | if (!access(device, 0)) | |
294 | printf("direct usb:%s \"Unknown\" \"USB Printer #%d\"\n", device, i + 1); | |
295 | ||
296 | sprintf(device, "/dev/unlpt%d", i); | |
297 | if (!access(device, 0)) | |
298 | printf("direct usb:%s \"Unknown\" \"USB Printer #%d (no reset)\"\n", device, i + 1); | |
299 | } | |
300 | #endif | |
301 | } | |
302 | ||
303 | ||
304 | /* | |
305 | * 'open_device()' - Open a USB device... | |
306 | */ | |
307 | ||
f7deaa1a | 308 | static int /* O - File descriptor or -1 on error */ |
8ca02f3c | 309 | open_device(const char *uri, /* I - Device URI */ |
310 | int *use_bc) /* O - Set to 0 for unidirectional */ | |
ef416fc2 | 311 | { |
8ca02f3c | 312 | int fd; /* File descriptor */ |
313 | ||
314 | ||
ef416fc2 | 315 | /* |
316 | * The generic implementation just treats the URI as a device filename... | |
317 | * Specific operating systems may also support using the device serial | |
318 | * number and/or make/model. | |
319 | */ | |
320 | ||
321 | if (!strncmp(uri, "usb:/dev/", 9)) | |
322 | #ifdef __linux | |
ed486911 | 323 | { |
324 | /* | |
325 | * Do not allow direct devices anymore... | |
326 | */ | |
327 | ||
328 | errno = ENODEV; | |
329 | return (-1); | |
330 | } | |
ef416fc2 | 331 | else if (!strncmp(uri, "usb://", 6)) |
332 | { | |
333 | /* | |
334 | * For Linux, try looking up the device serial number or model... | |
335 | */ | |
336 | ||
337 | int i; /* Looping var */ | |
338 | int busy; /* Are any ports busy? */ | |
2abf387c | 339 | char device[255], /* Device filename */ |
ef416fc2 | 340 | device_id[1024], /* Device ID string */ |
341 | make_model[1024], /* Make and model */ | |
342 | device_uri[1024]; /* Device URI string */ | |
343 | ||
344 | ||
345 | /* | |
2abf387c | 346 | * Find the correct USB device... |
ef416fc2 | 347 | */ |
348 | ||
0a682745 | 349 | for (;;) |
ef416fc2 | 350 | { |
351 | for (busy = 0, i = 0; i < 16; i ++) | |
352 | { | |
2abf387c | 353 | /* |
354 | * Linux has a long history of changing the standard filenames used | |
355 | * for USB printer devices. We get the honor of trying them all... | |
356 | */ | |
357 | ||
358 | sprintf(device, "/dev/usblp%d", i); | |
359 | ||
360 | if ((fd = open(device, O_RDWR | O_EXCL)) < 0 && errno == ENOENT) | |
361 | { | |
362 | sprintf(device, "/dev/usb/lp%d", i); | |
363 | ||
364 | if ((fd = open(device, O_RDWR | O_EXCL)) < 0 && errno == ENOENT) | |
365 | { | |
366 | sprintf(device, "/dev/usb/usblp%d", i); | |
367 | ||
368 | if ((fd = open(device, O_RDWR | O_EXCL)) < 0 && errno == ENOENT) | |
369 | continue; | |
370 | } | |
371 | } | |
ef416fc2 | 372 | |
2abf387c | 373 | if (fd >= 0) |
ef416fc2 | 374 | { |
ed486911 | 375 | backendGetDeviceID(fd, device_id, sizeof(device_id), |
376 | make_model, sizeof(make_model), | |
377 | "usb", device_uri, sizeof(device_uri)); | |
ef416fc2 | 378 | } |
379 | else | |
380 | { | |
381 | /* | |
382 | * If the open failed because it was busy, flag it so we retry | |
383 | * as needed... | |
384 | */ | |
385 | ||
386 | if (errno == EBUSY) | |
387 | busy = 1; | |
388 | ||
389 | device_uri[0] = '\0'; | |
390 | } | |
391 | ||
392 | if (!strcmp(uri, device_uri)) | |
393 | { | |
394 | /* | |
395 | * Yes, return this file descriptor... | |
396 | */ | |
397 | ||
c0e1af83 | 398 | fprintf(stderr, "DEBUG: Printer using device file \"%s\"...\n", |
399 | device); | |
ef416fc2 | 400 | |
401 | return (fd); | |
402 | } | |
403 | ||
404 | /* | |
405 | * This wasn't the one... | |
406 | */ | |
407 | ||
408 | if (fd >= 0) | |
409 | close(fd); | |
410 | } | |
411 | ||
412 | /* | |
413 | * If we get here and at least one of the printer ports showed up | |
414 | * as "busy", then sleep for a bit and retry... | |
415 | */ | |
416 | ||
417 | if (busy) | |
418 | { | |
db1f069b MS |
419 | _cupsLangPuts(stderr, |
420 | _("INFO: Printer busy; will retry in 5 seconds...\n")); | |
ef416fc2 | 421 | sleep(5); |
422 | } | |
423 | } | |
ef416fc2 | 424 | } |
425 | #elif defined(__sun) && defined(ECPPIOC_GETDEVID) | |
ed486911 | 426 | { |
427 | /* | |
428 | * Do not allow direct devices anymore... | |
429 | */ | |
430 | ||
431 | errno = ENODEV; | |
432 | return (-1); | |
433 | } | |
ef416fc2 | 434 | else if (!strncmp(uri, "usb://", 6)) |
435 | { | |
436 | /* | |
437 | * For Solaris, try looking up the device serial number or model... | |
438 | */ | |
439 | ||
440 | int i; /* Looping var */ | |
441 | int busy; /* Are any ports busy? */ | |
ef416fc2 | 442 | char device[255], /* Device filename */ |
443 | device_id[1024], /* Device ID string */ | |
444 | make_model[1024], /* Make and model */ | |
445 | device_uri[1024]; /* Device URI string */ | |
ef416fc2 | 446 | |
447 | ||
448 | /* | |
449 | * Find the correct USB device... | |
450 | */ | |
451 | ||
452 | do | |
453 | { | |
454 | for (i = 0, busy = 0; i < 8; i ++) | |
455 | { | |
456 | sprintf(device, "/dev/usb/printer%d", i); | |
457 | ||
8ca02f3c | 458 | if ((fd = open(device, O_WRONLY | O_EXCL)) >= 0) |
ed486911 | 459 | backendGetDeviceID(fd, device_id, sizeof(device_id), |
460 | make_model, sizeof(make_model), | |
461 | "usb", device_uri, sizeof(device_uri)); | |
ef416fc2 | 462 | else |
463 | { | |
464 | /* | |
465 | * If the open failed because it was busy, flag it so we retry | |
466 | * as needed... | |
467 | */ | |
468 | ||
469 | if (errno == EBUSY) | |
470 | busy = 1; | |
471 | ||
472 | device_uri[0] = '\0'; | |
473 | } | |
474 | ||
475 | if (!strcmp(uri, device_uri)) | |
8ca02f3c | 476 | { |
477 | /* | |
478 | * Yes, return this file descriptor... | |
479 | */ | |
480 | ||
481 | fputs("DEBUG: Setting use_bc to 0!\n", stderr); | |
482 | ||
483 | *use_bc = 0; | |
484 | ||
485 | return (fd); | |
486 | } | |
ef416fc2 | 487 | |
488 | /* | |
489 | * This wasn't the one... | |
490 | */ | |
491 | ||
492 | if (fd >= 0) | |
493 | close(fd); | |
494 | } | |
495 | ||
496 | /* | |
497 | * If we get here and at least one of the printer ports showed up | |
498 | * as "busy", then sleep for a bit and retry... | |
499 | */ | |
500 | ||
501 | if (busy) | |
502 | { | |
db1f069b MS |
503 | _cupsLangPuts(stderr, |
504 | _("INFO: Printer is busy; will retry in 5 seconds...\n")); | |
ef416fc2 | 505 | sleep(5); |
506 | } | |
507 | } | |
508 | while (busy); | |
509 | ||
510 | /* | |
511 | * Couldn't find the printer, return "no such device or address"... | |
512 | */ | |
513 | ||
514 | errno = ENODEV; | |
515 | ||
516 | return (-1); | |
517 | } | |
518 | #else | |
8ca02f3c | 519 | { |
91c84a35 | 520 | if (*use_bc) |
323c5de1 | 521 | fd = open(uri + 4, O_RDWR | O_EXCL); |
522 | else | |
523 | fd = -1; | |
524 | ||
525 | if (fd < 0) | |
8ca02f3c | 526 | { |
527 | fd = open(uri + 4, O_WRONLY | O_EXCL); | |
528 | *use_bc = 0; | |
529 | } | |
530 | ||
531 | return (fd); | |
532 | } | |
ef416fc2 | 533 | #endif /* __linux */ |
534 | else | |
535 | { | |
536 | errno = ENODEV; | |
537 | return (-1); | |
538 | } | |
539 | } | |
540 | ||
541 | ||
542 | /* | |
f7deaa1a | 543 | * 'side_cb()' - Handle side-channel requests... |
544 | */ | |
545 | ||
546 | static void | |
568fa3fa MS |
547 | side_cb(int print_fd, /* I - Print file */ |
548 | int device_fd, /* I - Device file */ | |
549 | int snmp_fd, /* I - SNMP socket (unused) */ | |
550 | http_addr_t *addr, /* I - Device address (unused) */ | |
551 | int use_bc) /* I - Using back-channel? */ | |
f7deaa1a | 552 | { |
553 | cups_sc_command_t command; /* Request command */ | |
554 | cups_sc_status_t status; /* Request/response status */ | |
555 | char data[2048]; /* Request/response data */ | |
556 | int datalen; /* Request/response data size */ | |
557 | ||
558 | ||
568fa3fa MS |
559 | (void)snmp_fd; |
560 | (void)addr; | |
561 | ||
f7deaa1a | 562 | datalen = sizeof(data); |
563 | ||
564 | if (cupsSideChannelRead(&command, &status, data, &datalen, 1.0)) | |
565 | { | |
db1f069b | 566 | _cupsLangPuts(stderr, _("WARNING: Failed to read side-channel request!\n")); |
f7deaa1a | 567 | return; |
568 | } | |
569 | ||
570 | switch (command) | |
571 | { | |
572 | case CUPS_SC_CMD_DRAIN_OUTPUT : | |
09a101d6 | 573 | if (backendDrainOutput(print_fd, device_fd)) |
574 | status = CUPS_SC_STATUS_IO_ERROR; | |
575 | else if (tcdrain(device_fd)) | |
f7deaa1a | 576 | status = CUPS_SC_STATUS_IO_ERROR; |
577 | else | |
578 | status = CUPS_SC_STATUS_OK; | |
579 | ||
580 | datalen = 0; | |
581 | break; | |
582 | ||
583 | case CUPS_SC_CMD_GET_BIDI : | |
584 | data[0] = use_bc; | |
585 | datalen = 1; | |
586 | break; | |
587 | ||
588 | case CUPS_SC_CMD_GET_DEVICE_ID : | |
589 | memset(data, 0, sizeof(data)); | |
590 | ||
591 | if (backendGetDeviceID(device_fd, data, sizeof(data) - 1, | |
592 | NULL, 0, NULL, NULL, 0)) | |
593 | { | |
594 | status = CUPS_SC_STATUS_NOT_IMPLEMENTED; | |
595 | datalen = 0; | |
596 | } | |
597 | else | |
598 | { | |
599 | status = CUPS_SC_STATUS_OK; | |
600 | datalen = strlen(data); | |
601 | } | |
602 | break; | |
603 | ||
604 | default : | |
605 | status = CUPS_SC_STATUS_NOT_IMPLEMENTED; | |
606 | datalen = 0; | |
607 | break; | |
608 | } | |
609 | ||
610 | cupsSideChannelWrite(command, status, data, datalen, 1.0); | |
611 | } | |
612 | ||
613 | ||
614 | /* | |
2e4ff8af | 615 | * End of "$Id: usb-unix.c 6910 2007-09-04 20:34:29Z mike $". |
ef416fc2 | 616 | */ |