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ef416fc2 | 1 | /* |
75bd9771 | 2 | * "$Id: serial.c 7647 2008-06-16 17:39:40Z mike $" |
ef416fc2 | 3 | * |
0837b7e8 | 4 | * Serial port backend for CUPS. |
ef416fc2 | 5 | * |
c8fef167 | 6 | * Copyright 2007-2011 by Apple Inc. |
f7deaa1a | 7 | * Copyright 1997-2007 by Easy Software Products, all rights reserved. |
ef416fc2 | 8 | * |
9 | * These coded instructions, statements, and computer programs are the | |
bc44d920 | 10 | * property of Apple Inc. and are protected by Federal copyright |
11 | * law. Distribution and use rights are outlined in the file "LICENSE.txt" | |
ef416fc2 | 12 | * "LICENSE" which should have been included with this file. If this |
bc44d920 | 13 | * file is missing or damaged, see the license at "http://www.cups.org/". |
ef416fc2 | 14 | * |
15 | * This file is subject to the Apple OS-Developed Software exception. | |
16 | * | |
17 | * Contents: | |
18 | * | |
19 | * main() - Send a file to the printer or server. | |
20 | * list_devices() - List all serial devices. | |
f7deaa1a | 21 | * side_cb() - Handle side-channel requests... |
ef416fc2 | 22 | */ |
23 | ||
24 | /* | |
25 | * Include necessary headers. | |
26 | */ | |
27 | ||
ed486911 | 28 | #include "backend-private.h" |
c7017ecc | 29 | #include <stdio.h> |
ef416fc2 | 30 | |
31 | #ifdef __hpux | |
32 | # include <sys/modem.h> | |
33 | #endif /* __hpux */ | |
34 | ||
35 | #ifdef WIN32 | |
36 | # include <io.h> | |
37 | #else | |
38 | # include <unistd.h> | |
39 | # include <fcntl.h> | |
40 | # include <termios.h> | |
b423cd4c | 41 | # ifdef __hpux |
42 | # include <sys/time.h> | |
43 | # else | |
44 | # include <sys/select.h> | |
45 | # endif /* __hpux */ | |
ef416fc2 | 46 | # ifdef HAVE_SYS_IOCTL_H |
47 | # include <sys/ioctl.h> | |
48 | # endif /* HAVE_SYS_IOCTL_H */ | |
49 | #endif /* WIN32 */ | |
50 | ||
51 | #ifdef __sgi | |
52 | # include <invent.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 */ | |
60 | #endif /* __sgi */ | |
61 | ||
62 | #ifndef CRTSCTS | |
63 | # ifdef CNEW_RTSCTS | |
64 | # define CRTSCTS CNEW_RTSCTS | |
65 | # else | |
66 | # define CRTSCTS 0 | |
67 | # endif /* CNEW_RTSCTS */ | |
68 | #endif /* !CRTSCTS */ | |
69 | ||
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__ */ | |
76 | ||
89d46774 | 77 | #if defined(__linux) && defined(TIOCGSERIAL) |
78 | # include <linux/serial.h> | |
79 | # include <linux/ioctl.h> | |
80 | #endif /* __linux && TIOCGSERIAL */ | |
81 | ||
ef416fc2 | 82 | |
83 | /* | |
84 | * Local functions... | |
85 | */ | |
86 | ||
f7deaa1a | 87 | static void list_devices(void); |
18ecb428 | 88 | static int side_cb(int print_fd, int device_fd, int use_bc); |
ef416fc2 | 89 | |
90 | ||
91 | /* | |
92 | * 'main()' - Send a file to the printer or server. | |
93 | * | |
94 | * Usage: | |
95 | * | |
96 | * printer-uri job-id user title copies options [file] | |
97 | */ | |
98 | ||
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 */ | |
102 | { | |
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 */ | |
db1f069b MS |
108 | *name, /* Name of option */ |
109 | *value, /* Value of option */ | |
110 | sep; /* Option separator */ | |
ef416fc2 | 111 | int port; /* Port number (not used) */ |
ef416fc2 | 112 | int copies; /* Number of copies to print */ |
18ecb428 MS |
113 | int side_eof = 0, /* Saw EOF on side-channel? */ |
114 | print_fd, /* Print file */ | |
ed486911 | 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 */ | |
ef416fc2 | 123 | int dtrdsr; /* Do dtr/dsr flow control? */ |
ed486911 | 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 */ | |
ef416fc2 | 128 | struct termios opts; /* Serial port options */ |
129 | struct termios origopts; /* Original port options */ | |
ef416fc2 | 130 | #if defined(HAVE_SIGACTION) && !defined(HAVE_SIGSET) |
131 | struct sigaction action; /* Actions for POSIX signals */ | |
132 | #endif /* HAVE_SIGACTION && !HAVE_SIGSET */ | |
133 | ||
134 | ||
135 | /* | |
136 | * Make sure status messages are not buffered... | |
137 | */ | |
138 | ||
139 | setbuf(stderr, NULL); | |
140 | ||
141 | /* | |
142 | * Ignore SIGPIPE signals... | |
143 | */ | |
144 | ||
145 | #ifdef HAVE_SIGSET | |
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); | |
151 | #else | |
152 | signal(SIGPIPE, SIG_IGN); | |
153 | #endif /* HAVE_SIGSET */ | |
154 | ||
155 | /* | |
156 | * Check command-line... | |
157 | */ | |
158 | ||
159 | if (argc == 1) | |
160 | { | |
161 | list_devices(); | |
162 | return (CUPS_BACKEND_OK); | |
163 | } | |
164 | else if (argc < 6 || argc > 7) | |
165 | { | |
db1f069b | 166 | _cupsLangPrintf(stderr, |
0837b7e8 | 167 | _("Usage: %s job-id user title copies options [file]"), |
db1f069b | 168 | argv[0]); |
ef416fc2 | 169 | return (CUPS_BACKEND_FAILED); |
170 | } | |
171 | ||
172 | /* | |
173 | * If we have 7 arguments, print the file named on the command-line. | |
174 | * Otherwise, send stdin instead... | |
175 | */ | |
176 | ||
177 | if (argc == 6) | |
178 | { | |
ed486911 | 179 | print_fd = 0; |
180 | copies = 1; | |
ef416fc2 | 181 | } |
182 | else | |
183 | { | |
184 | /* | |
185 | * Try to open the print file... | |
186 | */ | |
187 | ||
ed486911 | 188 | if ((print_fd = open(argv[6], O_RDONLY)) < 0) |
ef416fc2 | 189 | { |
0837b7e8 | 190 | _cupsLangPrintError("ERROR", _("Unable to open print file")); |
ef416fc2 | 191 | return (CUPS_BACKEND_FAILED); |
192 | } | |
193 | ||
194 | copies = atoi(argv[4]); | |
195 | } | |
196 | ||
197 | /* | |
198 | * Extract the device name and options from the URI... | |
199 | */ | |
200 | ||
a4d04587 | 201 | httpSeparateURI(HTTP_URI_CODING_ALL, cupsBackendDeviceURI(argv), |
202 | method, sizeof(method), username, sizeof(username), | |
203 | hostname, sizeof(hostname), &port, | |
ef416fc2 | 204 | resource, sizeof(resource)); |
205 | ||
206 | /* | |
207 | * See if there are any options... | |
208 | */ | |
209 | ||
210 | if ((options = strchr(resource, '?')) != NULL) | |
211 | { | |
212 | /* | |
213 | * Yup, terminate the device name string and move to the first | |
214 | * character of the options... | |
215 | */ | |
216 | ||
217 | *options++ = '\0'; | |
218 | } | |
219 | ||
220 | /* | |
221 | * Open the serial port device... | |
222 | */ | |
223 | ||
757d2cad | 224 | fputs("STATE: +connecting-to-device\n", stderr); |
225 | ||
ef416fc2 | 226 | do |
227 | { | |
ed486911 | 228 | if ((device_fd = open(resource, O_RDWR | O_NOCTTY | O_EXCL | |
229 | O_NDELAY)) == -1) | |
ef416fc2 | 230 | { |
231 | if (getenv("CLASS") != NULL) | |
232 | { | |
233 | /* | |
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. | |
238 | */ | |
239 | ||
0837b7e8 MS |
240 | _cupsLangPrintFilter(stderr, "INFO", |
241 | _("Unable to contact printer, queuing on next " | |
242 | "printer in class.")); | |
ef416fc2 | 243 | |
244 | /* | |
245 | * Sleep 5 seconds to keep the job from requeuing too rapidly... | |
246 | */ | |
247 | ||
248 | sleep(5); | |
249 | ||
250 | return (CUPS_BACKEND_FAILED); | |
251 | } | |
252 | ||
253 | if (errno == EBUSY) | |
254 | { | |
0837b7e8 MS |
255 | _cupsLangPrintFilter(stderr, "INFO", |
256 | _("Printer busy; will retry in 30 seconds.")); | |
ef416fc2 | 257 | sleep(30); |
258 | } | |
259 | else | |
260 | { | |
0837b7e8 | 261 | _cupsLangPrintError("ERROR", _("Unable to open device file")); |
ef416fc2 | 262 | return (CUPS_BACKEND_FAILED); |
263 | } | |
264 | } | |
265 | } | |
ed486911 | 266 | while (device_fd < 0); |
ef416fc2 | 267 | |
757d2cad | 268 | fputs("STATE: -connecting-to-device\n", stderr); |
269 | ||
ef416fc2 | 270 | /* |
271 | * Set any options provided... | |
272 | */ | |
273 | ||
ed486911 | 274 | tcgetattr(device_fd, &origopts); |
275 | tcgetattr(device_fd, &opts); | |
ef416fc2 | 276 | |
ed486911 | 277 | opts.c_lflag &= ~(ICANON | ECHO | ISIG); |
278 | /* Raw mode */ | |
279 | opts.c_oflag &= ~OPOST; /* Don't post-process */ | |
ef416fc2 | 280 | |
ed486911 | 281 | print_size = 96; /* 9600 baud / 10 bits/char / 10Hz */ |
282 | dtrdsr = 0; /* No dtr/dsr flow control */ | |
ef416fc2 | 283 | |
ed486911 | 284 | if (options) |
285 | { | |
ef416fc2 | 286 | while (*options) |
287 | { | |
288 | /* | |
289 | * Get the name... | |
290 | */ | |
291 | ||
db1f069b | 292 | name = options; |
ef416fc2 | 293 | |
db1f069b MS |
294 | while (*options && *options != '=' && *options != '+' && *options != '&') |
295 | options ++; | |
296 | ||
297 | if ((sep = *options) != '\0') | |
298 | *options++ = '\0'; | |
299 | ||
300 | if (sep == '=') | |
ef416fc2 | 301 | { |
302 | /* | |
303 | * Get the value... | |
304 | */ | |
305 | ||
db1f069b | 306 | value = options; |
ef416fc2 | 307 | |
db1f069b | 308 | while (*options && *options != '+' && *options != '&') |
ef416fc2 | 309 | options ++; |
db1f069b MS |
310 | |
311 | if (*options) | |
312 | *options++ = '\0'; | |
ef416fc2 | 313 | } |
314 | else | |
db1f069b | 315 | value = (char *)""; |
ef416fc2 | 316 | |
317 | /* | |
318 | * Process the option... | |
319 | */ | |
320 | ||
321 | if (!strcasecmp(name, "baud")) | |
322 | { | |
323 | /* | |
324 | * Set the baud rate... | |
325 | */ | |
326 | ||
ed486911 | 327 | print_size = atoi(value) / 100; |
ef416fc2 | 328 | |
329 | #if B19200 == 19200 | |
330 | cfsetispeed(&opts, atoi(value)); | |
331 | cfsetospeed(&opts, atoi(value)); | |
332 | #else | |
333 | switch (atoi(value)) | |
334 | { | |
335 | case 1200 : | |
336 | cfsetispeed(&opts, B1200); | |
337 | cfsetospeed(&opts, B1200); | |
338 | break; | |
339 | case 2400 : | |
340 | cfsetispeed(&opts, B2400); | |
341 | cfsetospeed(&opts, B2400); | |
342 | break; | |
343 | case 4800 : | |
344 | cfsetispeed(&opts, B4800); | |
345 | cfsetospeed(&opts, B4800); | |
346 | break; | |
347 | case 9600 : | |
348 | cfsetispeed(&opts, B9600); | |
349 | cfsetospeed(&opts, B9600); | |
350 | break; | |
351 | case 19200 : | |
352 | cfsetispeed(&opts, B19200); | |
353 | cfsetospeed(&opts, B19200); | |
354 | break; | |
355 | case 38400 : | |
356 | cfsetispeed(&opts, B38400); | |
357 | cfsetospeed(&opts, B38400); | |
358 | break; | |
359 | # ifdef B57600 | |
360 | case 57600 : | |
361 | cfsetispeed(&opts, B57600); | |
362 | cfsetospeed(&opts, B57600); | |
363 | break; | |
364 | # endif /* B57600 */ | |
365 | # ifdef B115200 | |
366 | case 115200 : | |
367 | cfsetispeed(&opts, B115200); | |
368 | cfsetospeed(&opts, B115200); | |
369 | break; | |
370 | # endif /* B115200 */ | |
371 | # ifdef B230400 | |
372 | case 230400 : | |
373 | cfsetispeed(&opts, B230400); | |
374 | cfsetospeed(&opts, B230400); | |
375 | break; | |
376 | # endif /* B230400 */ | |
377 | default : | |
0837b7e8 MS |
378 | _cupsLangPrintFilter(stderr, "WARNING", |
379 | _("Unsupported baud rate: %s"), value); | |
ef416fc2 | 380 | break; |
381 | } | |
382 | #endif /* B19200 == 19200 */ | |
383 | } | |
384 | else if (!strcasecmp(name, "bits")) | |
385 | { | |
386 | /* | |
387 | * Set number of data bits... | |
388 | */ | |
389 | ||
390 | switch (atoi(value)) | |
391 | { | |
392 | case 7 : | |
393 | opts.c_cflag &= ~CSIZE; | |
394 | opts.c_cflag |= CS7; | |
395 | opts.c_cflag |= PARENB; | |
396 | opts.c_cflag &= ~PARODD; | |
397 | break; | |
398 | case 8 : | |
399 | opts.c_cflag &= ~CSIZE; | |
400 | opts.c_cflag |= CS8; | |
401 | opts.c_cflag &= ~PARENB; | |
402 | break; | |
403 | } | |
404 | } | |
405 | else if (!strcasecmp(name, "parity")) | |
406 | { | |
407 | /* | |
408 | * Set parity checking... | |
409 | */ | |
410 | ||
411 | if (!strcasecmp(value, "even")) | |
412 | { | |
413 | opts.c_cflag |= PARENB; | |
414 | opts.c_cflag &= ~PARODD; | |
415 | } | |
416 | else if (!strcasecmp(value, "odd")) | |
417 | { | |
418 | opts.c_cflag |= PARENB; | |
419 | opts.c_cflag |= PARODD; | |
420 | } | |
421 | else if (!strcasecmp(value, "none")) | |
422 | opts.c_cflag &= ~PARENB; | |
423 | else if (!strcasecmp(value, "space")) | |
424 | { | |
425 | /* | |
426 | * Note: we only support space parity with 7 bits per character... | |
427 | */ | |
428 | ||
429 | opts.c_cflag &= ~CSIZE; | |
430 | opts.c_cflag |= CS8; | |
431 | opts.c_cflag &= ~PARENB; | |
432 | } | |
433 | else if (!strcasecmp(value, "mark")) | |
434 | { | |
435 | /* | |
436 | * Note: we only support mark parity with 7 bits per character | |
437 | * and 1 stop bit... | |
438 | */ | |
439 | ||
440 | opts.c_cflag &= ~CSIZE; | |
441 | opts.c_cflag |= CS7; | |
442 | opts.c_cflag &= ~PARENB; | |
443 | opts.c_cflag |= CSTOPB; | |
444 | } | |
445 | } | |
446 | else if (!strcasecmp(name, "flow")) | |
447 | { | |
448 | /* | |
449 | * Set flow control... | |
450 | */ | |
451 | ||
452 | if (!strcasecmp(value, "none")) | |
453 | { | |
454 | opts.c_iflag &= ~(IXON | IXOFF); | |
455 | opts.c_cflag &= ~CRTSCTS; | |
456 | } | |
457 | else if (!strcasecmp(value, "soft")) | |
458 | { | |
459 | opts.c_iflag |= IXON | IXOFF; | |
460 | opts.c_cflag &= ~CRTSCTS; | |
461 | } | |
462 | else if (!strcasecmp(value, "hard") || | |
463 | !strcasecmp(value, "rtscts")) | |
464 | { | |
465 | opts.c_iflag &= ~(IXON | IXOFF); | |
466 | opts.c_cflag |= CRTSCTS; | |
467 | } | |
468 | else if (!strcasecmp(value, "dtrdsr")) | |
469 | { | |
470 | opts.c_iflag &= ~(IXON | IXOFF); | |
471 | opts.c_cflag &= ~CRTSCTS; | |
472 | ||
473 | dtrdsr = 1; | |
474 | } | |
475 | } | |
476 | else if (!strcasecmp(name, "stop")) | |
477 | { | |
478 | switch (atoi(value)) | |
479 | { | |
480 | case 1 : | |
481 | opts.c_cflag &= ~CSTOPB; | |
482 | break; | |
483 | ||
484 | case 2 : | |
485 | opts.c_cflag |= CSTOPB; | |
486 | break; | |
487 | } | |
488 | } | |
489 | } | |
ed486911 | 490 | } |
ef416fc2 | 491 | |
ed486911 | 492 | tcsetattr(device_fd, TCSANOW, &opts); |
493 | fcntl(device_fd, F_SETFL, 0); | |
ef416fc2 | 494 | |
495 | /* | |
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...) | |
500 | */ | |
501 | ||
7cf5915e | 502 | if (!print_fd) |
ef416fc2 | 503 | { |
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)); | |
508 | ||
509 | sigemptyset(&action.sa_mask); | |
510 | action.sa_handler = SIG_IGN; | |
511 | sigaction(SIGTERM, &action, NULL); | |
512 | #else | |
513 | signal(SIGTERM, SIG_IGN); | |
514 | #endif /* HAVE_SIGSET */ | |
515 | } | |
516 | ||
517 | /* | |
ed486911 | 518 | * Figure out the maximum file descriptor value to use with select()... |
ef416fc2 | 519 | */ |
520 | ||
ed486911 | 521 | nfds = (print_fd > device_fd ? print_fd : device_fd) + 1; |
522 | ||
523 | /* | |
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... | |
528 | */ | |
ef416fc2 | 529 | |
ed486911 | 530 | if (print_size > sizeof(print_buffer)) |
531 | print_size = sizeof(print_buffer); | |
532 | ||
533 | total_bytes = 0; | |
ef416fc2 | 534 | |
535 | while (copies > 0) | |
536 | { | |
537 | copies --; | |
538 | ||
ed486911 | 539 | if (print_fd != 0) |
ef416fc2 | 540 | { |
541 | fputs("PAGE: 1 1\n", stderr); | |
ed486911 | 542 | lseek(print_fd, 0, SEEK_SET); |
ef416fc2 | 543 | } |
544 | ||
ed486911 | 545 | /* |
546 | * Now loop until we are out of data from print_fd... | |
547 | */ | |
548 | ||
549 | for (print_bytes = 0, print_ptr = print_buffer;;) | |
ef416fc2 | 550 | { |
551 | /* | |
ed486911 | 552 | * Use select() to determine whether we have data to copy around... |
ef416fc2 | 553 | */ |
554 | ||
ed486911 | 555 | FD_ZERO(&input); |
556 | if (!print_bytes) | |
557 | FD_SET(print_fd, &input); | |
558 | FD_SET(device_fd, &input); | |
18ecb428 | 559 | if (!print_bytes && !side_eof) |
dd1abb6b | 560 | FD_SET(CUPS_SC_FD, &input); |
ed486911 | 561 | |
562 | FD_ZERO(&output); | |
563 | if (print_bytes) | |
564 | FD_SET(device_fd, &output); | |
565 | ||
566 | if (select(nfds, &input, &output, NULL, NULL) < 0) | |
567 | continue; /* Ignore errors here */ | |
568 | ||
f7deaa1a | 569 | /* |
570 | * Check if we have a side-channel request ready... | |
571 | */ | |
572 | ||
573 | if (FD_ISSET(CUPS_SC_FD, &input)) | |
dd1abb6b MS |
574 | { |
575 | /* | |
576 | * Do the side-channel request, then start back over in the select | |
577 | * loop since it may have read from print_fd... | |
578 | */ | |
579 | ||
18ecb428 MS |
580 | if (side_cb(print_fd, device_fd, 1)) |
581 | side_eof = 1; | |
dd1abb6b MS |
582 | continue; |
583 | } | |
f7deaa1a | 584 | |
ed486911 | 585 | /* |
586 | * Check if we have back-channel data ready... | |
587 | */ | |
588 | ||
589 | if (FD_ISSET(device_fd, &input)) | |
590 | { | |
591 | if ((bc_bytes = read(device_fd, bc_buffer, sizeof(bc_buffer))) > 0) | |
592 | { | |
593 | fprintf(stderr, | |
4d301e69 | 594 | "DEBUG: Received " CUPS_LLFMT " bytes of back-channel data\n", |
ed486911 | 595 | CUPS_LLCAST bc_bytes); |
596 | cupsBackChannelWrite(bc_buffer, bc_bytes, 1.0); | |
597 | } | |
598 | } | |
ef416fc2 | 599 | |
ed486911 | 600 | /* |
601 | * Check if we have print data ready... | |
602 | */ | |
ef416fc2 | 603 | |
ed486911 | 604 | if (FD_ISSET(print_fd, &input)) |
605 | { | |
606 | if ((print_bytes = read(print_fd, print_buffer, print_size)) < 0) | |
ef416fc2 | 607 | { |
608 | /* | |
ed486911 | 609 | * Read error - bail if we don't see EAGAIN or EINTR... |
ef416fc2 | 610 | */ |
611 | ||
ed486911 | 612 | if (errno != EAGAIN || errno != EINTR) |
ef416fc2 | 613 | { |
c7017ecc | 614 | perror("DEBUG: Unable to read print data"); |
ef416fc2 | 615 | |
ed486911 | 616 | tcsetattr(device_fd, TCSADRAIN, &origopts); |
ef416fc2 | 617 | |
ed486911 | 618 | close(device_fd); |
ef416fc2 | 619 | |
ed486911 | 620 | if (print_fd != 0) |
621 | close(print_fd); | |
ef416fc2 | 622 | |
ed486911 | 623 | return (CUPS_BACKEND_FAILED); |
624 | } | |
ef416fc2 | 625 | |
ed486911 | 626 | print_bytes = 0; |
627 | } | |
628 | else if (print_bytes == 0) | |
ef416fc2 | 629 | { |
630 | /* | |
ed486911 | 631 | * End of file, break out of the loop... |
ef416fc2 | 632 | */ |
633 | ||
ed486911 | 634 | break; |
ef416fc2 | 635 | } |
636 | ||
ed486911 | 637 | print_ptr = print_buffer; |
638 | } | |
639 | ||
640 | /* | |
641 | * Check if the device is ready to receive data and we have data to | |
642 | * send... | |
643 | */ | |
644 | ||
645 | if (print_bytes && FD_ISSET(device_fd, &output)) | |
646 | { | |
647 | if (dtrdsr) | |
ef416fc2 | 648 | { |
649 | /* | |
ed486911 | 650 | * Check the port and sleep until DSR is set... |
ef416fc2 | 651 | */ |
652 | ||
ed486911 | 653 | int status; |
ef416fc2 | 654 | |
ef416fc2 | 655 | |
ed486911 | 656 | if (!ioctl(device_fd, TIOCMGET, &status)) |
657 | if (!(status & TIOCM_DSR)) | |
ef416fc2 | 658 | { |
ed486911 | 659 | /* |
660 | * Wait for DSR to go high... | |
661 | */ | |
662 | ||
663 | fputs("DEBUG: DSR is low; waiting for device...\n", stderr); | |
664 | ||
665 | do | |
666 | { | |
667 | /* | |
668 | * Poll every 100ms... | |
669 | */ | |
670 | ||
671 | usleep(100000); | |
672 | ||
673 | if (ioctl(device_fd, TIOCMGET, &status)) | |
674 | break; | |
675 | } | |
676 | while (!(status & TIOCM_DSR)); | |
677 | ||
678 | fputs("DEBUG: DSR is high; writing to device...\n", stderr); | |
679 | } | |
680 | } | |
681 | ||
682 | if ((bytes = write(device_fd, print_ptr, print_bytes)) < 0) | |
683 | { | |
684 | /* | |
685 | * Write error - bail if we don't see an error we can retry... | |
686 | */ | |
687 | ||
688 | if (errno != EAGAIN && errno != EINTR && errno != ENOTTY) | |
ef416fc2 | 689 | { |
c7017ecc | 690 | perror("DEBUG: Unable to write print data"); |
ed486911 | 691 | |
692 | tcsetattr(device_fd, TCSADRAIN, &origopts); | |
ef416fc2 | 693 | |
ed486911 | 694 | close(device_fd); |
695 | ||
696 | if (print_fd != 0) | |
697 | close(print_fd); | |
698 | ||
699 | return (CUPS_BACKEND_FAILED); | |
ef416fc2 | 700 | } |
701 | } | |
ed486911 | 702 | else |
703 | { | |
704 | fprintf(stderr, "DEBUG: Wrote %d bytes...\n", (int)bytes); | |
ef416fc2 | 705 | |
ed486911 | 706 | print_bytes -= bytes; |
707 | print_ptr += bytes; | |
708 | total_bytes += bytes; | |
709 | } | |
710 | } | |
ef416fc2 | 711 | } |
712 | } | |
713 | ||
714 | /* | |
715 | * Close the serial port and input file and return... | |
716 | */ | |
717 | ||
ed486911 | 718 | tcsetattr(device_fd, TCSADRAIN, &origopts); |
719 | ||
720 | close(device_fd); | |
ef416fc2 | 721 | |
ed486911 | 722 | if (print_fd != 0) |
723 | close(print_fd); | |
ef416fc2 | 724 | |
c8fef167 | 725 | return (CUPS_BACKEND_OK); |
ef416fc2 | 726 | } |
727 | ||
728 | ||
729 | /* | |
730 | * 'list_devices()' - List all serial devices. | |
731 | */ | |
732 | ||
f7deaa1a | 733 | static void |
ef416fc2 | 734 | list_devices(void) |
735 | { | |
2e4ff8af | 736 | #if defined(__hpux) || defined(__sgi) || defined(__sun) || defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__DragonFly__) || defined(__FreeBSD_kernel__) |
ef416fc2 | 737 | static char *funky_hex = "0123456789abcdefghijklmnopqrstuvwxyz"; |
89d46774 | 738 | /* Funky hex numbering used for some * |
739 | * devices */ | |
2e4ff8af | 740 | #endif /* __hpux || __sgi || __sun || __FreeBSD__ || __OpenBSD__ || __FreeBSD_kernel__ */ |
ef416fc2 | 741 | |
8b450588 | 742 | |
89d46774 | 743 | #ifdef __linux |
744 | int i, j; /* Looping vars */ | |
745 | int fd; /* File descriptor */ | |
746 | char device[255]; /* Device filename */ | |
8b450588 | 747 | char info[255]; /* Device info/description */ |
89d46774 | 748 | # ifdef TIOCGSERIAL |
749 | struct serial_struct serinfo; /* serial port info */ | |
750 | # endif /* TIOCGSERIAL */ | |
ef416fc2 | 751 | |
752 | ||
753 | for (i = 0; i < 100; i ++) | |
754 | { | |
755 | sprintf(device, "/dev/ttyS%d", i); | |
89d46774 | 756 | |
ef416fc2 | 757 | if ((fd = open(device, O_WRONLY | O_NOCTTY | O_NDELAY)) >= 0) |
758 | { | |
89d46774 | 759 | # ifdef TIOCGSERIAL |
760 | /* | |
761 | * See if this port exists... | |
762 | */ | |
763 | ||
764 | serinfo.reserved_char[0] = 0; | |
765 | ||
766 | if (!ioctl(fd, TIOCGSERIAL, &serinfo)) | |
767 | { | |
768 | if (serinfo.type == PORT_UNKNOWN) | |
769 | { | |
770 | /* | |
771 | * Nope... | |
772 | */ | |
773 | ||
774 | close(fd); | |
775 | continue; | |
776 | } | |
777 | } | |
778 | # endif /* TIOCGSERIAL */ | |
779 | ||
ef416fc2 | 780 | close(fd); |
89d46774 | 781 | |
8b450588 MS |
782 | snprintf(info, sizeof(info), |
783 | _cupsLangString(cupsLangDefault(), _("Serial Port #%d")), i + 1); | |
784 | ||
ef416fc2 | 785 | # if defined(_ARCH_PPC) || defined(powerpc) || defined(__powerpc) |
8b450588 | 786 | printf("serial serial:%s?baud=230400 \"Unknown\" \"%s\"\n", device, info); |
ef416fc2 | 787 | # else |
8b450588 | 788 | printf("serial serial:%s?baud=115200 \"Unknown\" \"%s\"\n", device, info); |
ef416fc2 | 789 | # endif /* _ARCH_PPC || powerpc || __powerpc */ |
790 | } | |
791 | } | |
792 | ||
793 | for (i = 0; i < 16; i ++) | |
794 | { | |
8b450588 MS |
795 | snprintf(info, sizeof(info), |
796 | _cupsLangString(cupsLangDefault(), _("USB Serial Port #%d")), | |
797 | i + 1); | |
798 | ||
ef416fc2 | 799 | sprintf(device, "/dev/usb/ttyUSB%d", i); |
800 | if ((fd = open(device, O_WRONLY | O_NOCTTY | O_NDELAY)) >= 0) | |
801 | { | |
802 | close(fd); | |
8b450588 | 803 | printf("serial serial:%s?baud=230400 \"Unknown\" \"%s\"\n", device, info); |
ef416fc2 | 804 | } |
26d47ec6 | 805 | |
806 | sprintf(device, "/dev/ttyUSB%d", i); | |
807 | if ((fd = open(device, O_WRONLY | O_NOCTTY | O_NDELAY)) >= 0) | |
808 | { | |
809 | close(fd); | |
8b450588 | 810 | printf("serial serial:%s?baud=230400 \"Unknown\" \"%s\"\n", device, info); |
26d47ec6 | 811 | } |
ef416fc2 | 812 | } |
b423cd4c | 813 | |
814 | for (i = 0; i < 64; i ++) | |
815 | { | |
816 | for (j = 0; j < 8; j ++) | |
817 | { | |
818 | sprintf(device, "/dev/ttyQ%02de%d", i, j); | |
819 | if ((fd = open(device, O_WRONLY | O_NOCTTY | O_NDELAY)) >= 0) | |
820 | { | |
821 | close(fd); | |
8b450588 | 822 | |
b423cd4c | 823 | printf("serial serial:%s?baud=115200 \"Unknown\" " |
8b450588 | 824 | "\"Equinox ESP %d Port #%d\"\n", device, i, j + 1); |
b423cd4c | 825 | } |
826 | } | |
827 | } | |
ef416fc2 | 828 | #elif defined(__sgi) |
829 | int i, j, n; /* Looping vars */ | |
830 | char device[255]; /* Device filename */ | |
831 | inventory_t *inv; /* Hardware inventory info */ | |
832 | ||
833 | ||
834 | /* | |
835 | * IRIX maintains a hardware inventory of most devices... | |
836 | */ | |
837 | ||
838 | setinvent(); | |
839 | ||
840 | while ((inv = getinvent()) != NULL) | |
841 | { | |
842 | if (inv->inv_class == INV_SERIAL) | |
843 | { | |
844 | /* | |
845 | * Some sort of serial port... | |
846 | */ | |
847 | ||
848 | if (inv->inv_type == INV_CDSIO || inv->inv_type == INV_CDSIO_E) | |
849 | { | |
850 | /* | |
851 | * CDSIO port... | |
852 | */ | |
853 | ||
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); | |
857 | } | |
858 | else if (inv->inv_type == INV_EPC_SERIAL) | |
859 | { | |
860 | /* | |
861 | * Everest serial port... | |
862 | */ | |
863 | ||
864 | if (inv->inv_unit == 0) | |
865 | i = 1; | |
866 | else | |
867 | i = 41 + 4 * (int)inv->inv_controller; | |
868 | ||
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); | |
872 | } | |
873 | else if (inv->inv_state > 1) | |
874 | { | |
875 | /* | |
876 | * Standard serial port under IRIX 6.4 and earlier... | |
877 | */ | |
878 | ||
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); | |
882 | } | |
883 | else | |
884 | { | |
885 | /* | |
886 | * Standard serial port under IRIX 6.5 and beyond... | |
887 | */ | |
888 | ||
889 | printf("serial serial:/dev/ttyd%d?baud=115200 \"Unknown\" \"Onboard Serial Port %d\"\n", | |
890 | (int)inv->inv_controller, (int)inv->inv_controller); | |
891 | } | |
892 | } | |
893 | } | |
894 | ||
895 | endinvent(); | |
896 | ||
897 | /* | |
898 | * Central Data makes serial and parallel "servers" that can be | |
899 | * connected in a number of ways. Look for ports... | |
900 | */ | |
901 | ||
902 | for (i = 0; i < 10; i ++) | |
903 | for (j = 0; j < 8; j ++) | |
904 | for (n = 0; n < 32; n ++) | |
905 | { | |
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]); | |
910 | else /* SCSI */ | |
911 | sprintf(device, "/dev/ttyd%d%d%c", i, j, funky_hex[n]); | |
912 | ||
913 | if (access(device, 0) == 0) | |
914 | { | |
915 | if (i == 8) | |
916 | printf("serial serial:%s?baud=38400 \"Unknown\" \"Central Data EtherLite Serial Port, ID %d, port %d\"\n", | |
917 | device, j, n); | |
918 | else if (i == 9) | |
919 | printf("serial serial:%s?baud=38400 \"Unknown\" \"Central Data PCI Serial Port, ID %d, port %d\"\n", | |
920 | device, j, n); | |
921 | else | |
922 | printf("serial serial:%s?baud=38400 \"Unknown\" \"Central Data SCSI Serial Port, logical bus %d, ID %d, port %d\"\n", | |
923 | device, i, j, n); | |
924 | } | |
925 | } | |
926 | #elif defined(__sun) | |
8b450588 MS |
927 | int i, j, n; /* Looping vars */ |
928 | char device[255]; /* Device filename */ | |
929 | char info[255]; /* Device info/description */ | |
ef416fc2 | 930 | |
931 | ||
932 | /* | |
933 | * Standard serial ports... | |
934 | */ | |
935 | ||
936 | for (i = 0; i < 26; i ++) | |
937 | { | |
938 | sprintf(device, "/dev/cua/%c", 'a' + i); | |
8b450588 MS |
939 | if (!access(device, 0)) |
940 | { | |
941 | snprintf(info, sizeof(info), | |
942 | _cupsLangString(cupsLangDefault(), _("Serial Port #%d")), i + 1); | |
943 | ||
89d46774 | 944 | # ifdef B115200 |
8b450588 | 945 | printf("serial serial:%s?baud=115200 \"Unknown\" \"%s\"\n", device, info); |
89d46774 | 946 | # else |
8b450588 | 947 | printf("serial serial:%s?baud=38400 \"Unknown\" \"%s\"\n", device, info); |
89d46774 | 948 | # endif /* B115200 */ |
8b450588 | 949 | } |
ef416fc2 | 950 | } |
951 | ||
952 | /* | |
953 | * MAGMA serial ports... | |
954 | */ | |
955 | ||
956 | for (i = 0; i < 40; i ++) | |
957 | { | |
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); | |
962 | } | |
963 | ||
964 | /* | |
965 | * Central Data serial ports... | |
966 | */ | |
967 | ||
968 | for (i = 0; i < 9; i ++) | |
969 | for (j = 0; j < 8; j ++) | |
970 | for (n = 0; n < 32; n ++) | |
971 | { | |
972 | if (i == 8) /* EtherLite */ | |
973 | sprintf(device, "/dev/sts/ttyN%d%c", j, funky_hex[n]); | |
974 | else | |
975 | sprintf(device, "/dev/sts/tty%c%d%c", i + 'C', j, | |
976 | funky_hex[n]); | |
977 | ||
978 | if (access(device, 0) == 0) | |
979 | { | |
980 | if (i == 8) | |
981 | printf("serial serial:%s?baud=38400 \"Unknown\" \"Central Data EtherLite Serial Port, ID %d, port %d\"\n", | |
982 | device, j, n); | |
983 | else | |
984 | printf("serial serial:%s?baud=38400 \"Unknown\" \"Central Data SCSI Serial Port, logical bus %d, ID %d, port %d\"\n", | |
985 | device, i, j, n); | |
986 | } | |
987 | } | |
988 | #elif defined(__hpux) | |
989 | int i, j, n; /* Looping vars */ | |
990 | char device[255]; /* Device filename */ | |
991 | ||
992 | ||
993 | /* | |
994 | * Standard serial ports... | |
995 | */ | |
996 | ||
997 | for (i = 0; i < 10; i ++) | |
998 | { | |
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", | |
1002 | device, i + 1); | |
1003 | } | |
1004 | ||
1005 | /* | |
1006 | * Central Data serial ports... | |
1007 | */ | |
1008 | ||
1009 | for (i = 0; i < 9; i ++) | |
1010 | for (j = 0; j < 8; j ++) | |
1011 | for (n = 0; n < 32; n ++) | |
1012 | { | |
1013 | if (i == 8) /* EtherLite */ | |
1014 | sprintf(device, "/dev/ttyN%d%c", j, funky_hex[n]); | |
1015 | else | |
1016 | sprintf(device, "/dev/tty%c%d%c", i + 'C', j, | |
1017 | funky_hex[n]); | |
1018 | ||
1019 | if (access(device, 0) == 0) | |
1020 | { | |
1021 | if (i == 8) | |
1022 | printf("serial serial:%s?baud=38400 \"Unknown\" \"Central Data EtherLite Serial Port, ID %d, port %d\"\n", | |
1023 | device, j, n); | |
1024 | else | |
1025 | printf("serial serial:%s?baud=38400 \"Unknown\" \"Central Data SCSI Serial Port, logical bus %d, ID %d, port %d\"\n", | |
1026 | device, i, j, n); | |
1027 | } | |
1028 | } | |
1029 | #elif defined(__osf__) | |
1030 | int i; /* Looping var */ | |
1031 | char device[255]; /* Device filename */ | |
1032 | ||
1033 | ||
1034 | /* | |
1035 | * Standard serial ports... | |
1036 | */ | |
1037 | ||
1038 | for (i = 0; i < 100; i ++) | |
1039 | { | |
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", | |
1043 | device, i + 1); | |
1044 | } | |
2e4ff8af | 1045 | #elif defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__DragonFly__) || defined(__FreeBSD_kernel__) |
8b450588 MS |
1046 | int i, j; /* Looping vars */ |
1047 | int fd; /* File descriptor */ | |
1048 | char device[255]; /* Device filename */ | |
1049 | char info[255]; /* Device info/description */ | |
ef416fc2 | 1050 | |
1051 | ||
1052 | /* | |
1053 | * SIO ports... | |
1054 | */ | |
1055 | ||
1056 | for (i = 0; i < 32; i ++) | |
1057 | { | |
1058 | sprintf(device, "/dev/ttyd%c", funky_hex[i]); | |
1059 | if ((fd = open(device, O_WRONLY | O_NOCTTY | O_NDELAY)) >= 0) | |
1060 | { | |
1061 | close(fd); | |
8b450588 MS |
1062 | |
1063 | snprintf(info, sizeof(info), | |
1064 | _cupsLangString(cupsLangDefault(), _("Serial Port #%d")), i + 1); | |
1065 | ||
1066 | printf("serial serial:%s?baud=115200 \"Unknown\" \"%s\"\n", device, info); | |
ef416fc2 | 1067 | } |
1068 | } | |
1069 | ||
1070 | /* | |
1071 | * Cyclades ports... | |
1072 | */ | |
1073 | ||
1074 | for (i = 0; i < 16; i ++) /* Should be up to 65536 boards... */ | |
1075 | for (j = 0; j < 32; j ++) | |
1076 | { | |
1077 | sprintf(device, "/dev/ttyc%d%c", i, funky_hex[j]); | |
1078 | if ((fd = open(device, O_WRONLY | O_NOCTTY | O_NDELAY)) >= 0) | |
1079 | { | |
1080 | close(fd); | |
1081 | printf("serial serial:%s?baud=115200 \"Unknown\" \"Cyclades #%d Serial Port #%d\"\n", | |
1082 | device, i, j + 1); | |
1083 | } | |
1084 | ||
1085 | sprintf(device, "/dev/ttyC%d%c", i, funky_hex[j]); | |
1086 | if ((fd = open(device, O_WRONLY | O_NOCTTY | O_NDELAY)) >= 0) | |
1087 | { | |
1088 | close(fd); | |
1089 | printf("serial serial:%s?baud=115200 \"Unknown\" \"Cyclades #%d Serial Port #%d\"\n", | |
1090 | device, i, j + 1); | |
1091 | } | |
1092 | } | |
1093 | ||
1094 | /* | |
1095 | * Digiboard ports... | |
1096 | */ | |
1097 | ||
1098 | for (i = 0; i < 16; i ++) /* Should be up to 65536 boards... */ | |
1099 | for (j = 0; j < 32; j ++) | |
1100 | { | |
1101 | sprintf(device, "/dev/ttyD%d%c", i, funky_hex[j]); | |
1102 | if ((fd = open(device, O_WRONLY | O_NOCTTY | O_NDELAY)) >= 0) | |
1103 | { | |
1104 | close(fd); | |
1105 | printf("serial serial:%s?baud=115200 \"Unknown\" \"Digiboard #%d Serial Port #%d\"\n", | |
1106 | device, i, j + 1); | |
1107 | } | |
1108 | } | |
1109 | ||
1110 | /* | |
1111 | * Stallion ports... | |
1112 | */ | |
1113 | ||
1114 | for (i = 0; i < 32; i ++) | |
1115 | { | |
1116 | sprintf(device, "/dev/ttyE%c", funky_hex[i]); | |
1117 | if ((fd = open(device, O_WRONLY | O_NOCTTY | O_NDELAY)) >= 0) | |
1118 | { | |
1119 | close(fd); | |
1120 | printf("serial serial:%s?baud=115200 \"Unknown\" \"Stallion Serial Port #%d\"\n", | |
1121 | device, i + 1); | |
1122 | } | |
1123 | } | |
1124 | ||
1125 | /* | |
1126 | * SX ports... | |
1127 | */ | |
1128 | ||
1129 | for (i = 0; i < 128; i ++) | |
1130 | { | |
1131 | sprintf(device, "/dev/ttyA%d", i + 1); | |
1132 | if ((fd = open(device, O_WRONLY | O_NOCTTY | O_NDELAY)) >= 0) | |
1133 | { | |
1134 | close(fd); | |
1135 | printf("serial serial:%s?baud=115200 \"Unknown\" \"SX Serial Port #%d\"\n", | |
1136 | device, i + 1); | |
1137 | } | |
1138 | } | |
1139 | #elif defined(__NetBSD__) | |
8b450588 MS |
1140 | int i, j; /* Looping vars */ |
1141 | int fd; /* File descriptor */ | |
1142 | char device[255]; /* Device filename */ | |
1143 | char info[255]; /* Device info/description */ | |
ef416fc2 | 1144 | |
1145 | ||
1146 | /* | |
1147 | * Standard serial ports... | |
1148 | */ | |
1149 | ||
1150 | for (i = 0; i < 4; i ++) | |
1151 | { | |
1152 | sprintf(device, "/dev/tty%02d", i); | |
1153 | if ((fd = open(device, O_WRONLY | O_NOCTTY | O_NDELAY)) >= 0) | |
1154 | { | |
1155 | close(fd); | |
8b450588 MS |
1156 | |
1157 | snprintf(info, sizeof(info), | |
1158 | _cupsLangString(cupsLangDefault(), _("Serial Port #%d")), i + 1); | |
1159 | ||
1160 | printf("serial serial:%s?baud=115200 \"Unknown\" \"%s\"\n", device, info); | |
ef416fc2 | 1161 | } |
1162 | } | |
1163 | ||
1164 | /* | |
1165 | * Cyclades-Z ports... | |
1166 | */ | |
1167 | ||
1168 | for (i = 0; i < 16; i ++) /* Should be up to 65536 boards... */ | |
1169 | for (j = 0; j < 64; j ++) | |
1170 | { | |
1171 | sprintf(device, "/dev/ttyCZ%02d%02d", i, j); | |
1172 | if ((fd = open(device, O_WRONLY | O_NOCTTY | O_NDELAY)) >= 0) | |
1173 | { | |
1174 | close(fd); | |
1175 | printf("serial serial:%s?baud=115200 \"Unknown\" \"Cyclades #%d Serial Prt #%d\"\n", | |
1176 | device, i, j + 1); | |
1177 | } | |
1178 | } | |
1179 | #elif defined(__APPLE__) | |
1180 | /* | |
1181 | * Standard serial ports on MacOS X... | |
1182 | */ | |
1183 | ||
1184 | kern_return_t kernResult; | |
1185 | mach_port_t masterPort; | |
1186 | io_iterator_t serialPortIterator; | |
1187 | CFMutableDictionaryRef classesToMatch; | |
1188 | io_object_t serialService; | |
1189 | ||
ef416fc2 | 1190 | |
1191 | kernResult = IOMasterPort(MACH_PORT_NULL, &masterPort); | |
1192 | if (KERN_SUCCESS != kernResult) | |
1193 | return; | |
1194 | ||
1195 | /* | |
1196 | * Serial devices are instances of class IOSerialBSDClient. | |
1197 | */ | |
1198 | ||
1199 | classesToMatch = IOServiceMatching(kIOSerialBSDServiceValue); | |
1200 | if (classesToMatch != NULL) | |
1201 | { | |
1202 | CFDictionarySetValue(classesToMatch, CFSTR(kIOSerialBSDTypeKey), | |
1203 | CFSTR(kIOSerialBSDRS232Type)); | |
1204 | ||
1205 | kernResult = IOServiceGetMatchingServices(masterPort, classesToMatch, | |
1206 | &serialPortIterator); | |
1207 | if (kernResult == KERN_SUCCESS) | |
1208 | { | |
1209 | while ((serialService = IOIteratorNext(serialPortIterator))) | |
1210 | { | |
1211 | CFTypeRef serialNameAsCFString; | |
1212 | CFTypeRef bsdPathAsCFString; | |
38e73f87 | 1213 | CFTypeRef hiddenVal; |
ef416fc2 | 1214 | char serialName[128]; |
1215 | char bsdPath[1024]; | |
1216 | Boolean result; | |
1217 | ||
1218 | ||
38e73f87 | 1219 | /* Check if hidden... */ |
c8fef167 | 1220 | hiddenVal = IORegistryEntrySearchCFProperty(serialService, |
38e73f87 MS |
1221 | kIOServicePlane, |
1222 | CFSTR("HiddenPort"), | |
1223 | kCFAllocatorDefault, | |
c8fef167 | 1224 | kIORegistryIterateRecursively | |
38e73f87 MS |
1225 | kIORegistryIterateParents); |
1226 | if (hiddenVal) | |
1227 | CFRelease(hiddenVal); /* This interface should not be used */ | |
1228 | else | |
ef416fc2 | 1229 | { |
38e73f87 MS |
1230 | serialNameAsCFString = |
1231 | IORegistryEntryCreateCFProperty(serialService, | |
1232 | CFSTR(kIOTTYDeviceKey), | |
1233 | kCFAllocatorDefault, 0); | |
1234 | if (serialNameAsCFString) | |
ef416fc2 | 1235 | { |
38e73f87 MS |
1236 | result = CFStringGetCString(serialNameAsCFString, serialName, |
1237 | sizeof(serialName), | |
1238 | kCFStringEncodingASCII); | |
1239 | CFRelease(serialNameAsCFString); | |
c8fef167 | 1240 | |
38e73f87 | 1241 | if (result) |
ef416fc2 | 1242 | { |
38e73f87 MS |
1243 | bsdPathAsCFString = |
1244 | IORegistryEntryCreateCFProperty(serialService, | |
1245 | CFSTR(kIOCalloutDeviceKey), | |
1246 | kCFAllocatorDefault, 0); | |
1247 | if (bsdPathAsCFString) | |
1248 | { | |
1249 | result = CFStringGetCString(bsdPathAsCFString, bsdPath, | |
1250 | sizeof(bsdPath), | |
1251 | kCFStringEncodingASCII); | |
1252 | CFRelease(bsdPathAsCFString); | |
c8fef167 | 1253 | |
38e73f87 MS |
1254 | if (result) |
1255 | printf("serial serial:%s?baud=115200 \"Unknown\" \"%s\"\n", | |
1256 | bsdPath, serialName); | |
1257 | } | |
ef416fc2 | 1258 | } |
1259 | } | |
1260 | } | |
1261 | ||
1262 | IOObjectRelease(serialService); | |
1263 | } | |
1264 | ||
89d46774 | 1265 | /* |
1266 | * Release the iterator. | |
1267 | */ | |
1268 | ||
1269 | IOObjectRelease(serialPortIterator); | |
ef416fc2 | 1270 | } |
1271 | } | |
1272 | #endif | |
1273 | } | |
1274 | ||
1275 | ||
1276 | /* | |
f7deaa1a | 1277 | * 'side_cb()' - Handle side-channel requests... |
1278 | */ | |
1279 | ||
18ecb428 | 1280 | static int /* O - 0 on success, -1 on error */ |
f7deaa1a | 1281 | side_cb(int print_fd, /* I - Print file */ |
1282 | int device_fd, /* I - Device file */ | |
1283 | int use_bc) /* I - Using back-channel? */ | |
1284 | { | |
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 */ | |
1289 | ||
1290 | ||
1291 | datalen = sizeof(data); | |
1292 | ||
1293 | if (cupsSideChannelRead(&command, &status, data, &datalen, 1.0)) | |
18ecb428 | 1294 | return (-1); |
f7deaa1a | 1295 | |
1296 | switch (command) | |
1297 | { | |
1298 | case CUPS_SC_CMD_DRAIN_OUTPUT : | |
09a101d6 | 1299 | if (backendDrainOutput(print_fd, device_fd)) |
1300 | status = CUPS_SC_STATUS_IO_ERROR; | |
1301 | else if (tcdrain(device_fd)) | |
f7deaa1a | 1302 | status = CUPS_SC_STATUS_IO_ERROR; |
1303 | else | |
1304 | status = CUPS_SC_STATUS_OK; | |
1305 | ||
1306 | datalen = 0; | |
1307 | break; | |
1308 | ||
1309 | case CUPS_SC_CMD_GET_BIDI : | |
8b450588 | 1310 | status = CUPS_SC_STATUS_OK; |
f7deaa1a | 1311 | data[0] = use_bc; |
1312 | datalen = 1; | |
1313 | break; | |
1314 | ||
1315 | default : | |
1316 | status = CUPS_SC_STATUS_NOT_IMPLEMENTED; | |
1317 | datalen = 0; | |
1318 | break; | |
1319 | } | |
1320 | ||
18ecb428 | 1321 | return (cupsSideChannelWrite(command, status, data, datalen, 1.0)); |
f7deaa1a | 1322 | } |
1323 | ||
1324 | ||
1325 | /* | |
75bd9771 | 1326 | * End of "$Id: serial.c 7647 2008-06-16 17:39:40Z mike $". |
ef416fc2 | 1327 | */ |