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ef416fc2 | 1 | /* |
f7deaa1a | 2 | * "$Id: serial.c 6170 2007-01-02 17:26:41Z mike $" |
ef416fc2 | 3 | * |
4 | * Serial port backend for the Common UNIX Printing System (CUPS). | |
5 | * | |
f7deaa1a | 6 | * Copyright 1997-2007 by Easy Software Products, all rights reserved. |
ef416fc2 | 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 printer or server. | |
29 | * list_devices() - List all serial devices. | |
f7deaa1a | 30 | * side_cb() - Handle side-channel requests... |
ef416fc2 | 31 | */ |
32 | ||
33 | /* | |
34 | * Include necessary headers. | |
35 | */ | |
36 | ||
ed486911 | 37 | #include "backend-private.h" |
ef416fc2 | 38 | |
39 | #ifdef __hpux | |
40 | # include <sys/modem.h> | |
41 | #endif /* __hpux */ | |
42 | ||
43 | #ifdef WIN32 | |
44 | # include <io.h> | |
45 | #else | |
46 | # include <unistd.h> | |
47 | # include <fcntl.h> | |
48 | # include <termios.h> | |
b423cd4c | 49 | # ifdef __hpux |
50 | # include <sys/time.h> | |
51 | # else | |
52 | # include <sys/select.h> | |
53 | # endif /* __hpux */ | |
ef416fc2 | 54 | # ifdef HAVE_SYS_IOCTL_H |
55 | # include <sys/ioctl.h> | |
56 | # endif /* HAVE_SYS_IOCTL_H */ | |
57 | #endif /* WIN32 */ | |
58 | ||
59 | #ifdef __sgi | |
60 | # include <invent.h> | |
61 | # ifndef INV_EPP_ECP_PLP | |
62 | # define INV_EPP_ECP_PLP 6 /* From 6.3/6.4/6.5 sys/invent.h */ | |
63 | # define INV_ASO_SERIAL 14 /* serial portion of SGI ASO board */ | |
64 | # define INV_IOC3_DMA 16 /* DMA mode IOC3 serial */ | |
65 | # define INV_IOC3_PIO 17 /* PIO mode IOC3 serial */ | |
66 | # define INV_ISA_DMA 19 /* DMA mode ISA serial -- O2 */ | |
67 | # endif /* !INV_EPP_ECP_PLP */ | |
68 | #endif /* __sgi */ | |
69 | ||
70 | #ifndef CRTSCTS | |
71 | # ifdef CNEW_RTSCTS | |
72 | # define CRTSCTS CNEW_RTSCTS | |
73 | # else | |
74 | # define CRTSCTS 0 | |
75 | # endif /* CNEW_RTSCTS */ | |
76 | #endif /* !CRTSCTS */ | |
77 | ||
78 | #if defined(__APPLE__) | |
79 | # include <CoreFoundation/CoreFoundation.h> | |
80 | # include <IOKit/IOKitLib.h> | |
81 | # include <IOKit/serial/IOSerialKeys.h> | |
82 | # include <IOKit/IOBSD.h> | |
83 | #endif /* __APPLE__ */ | |
84 | ||
89d46774 | 85 | #if defined(__linux) && defined(TIOCGSERIAL) |
86 | # include <linux/serial.h> | |
87 | # include <linux/ioctl.h> | |
88 | #endif /* __linux && TIOCGSERIAL */ | |
89 | ||
ef416fc2 | 90 | |
91 | /* | |
92 | * Local functions... | |
93 | */ | |
94 | ||
f7deaa1a | 95 | static void list_devices(void); |
96 | static void side_cb(int print_fd, int device_fd, int use_bc); | |
ef416fc2 | 97 | |
98 | ||
99 | /* | |
100 | * 'main()' - Send a file to the printer or server. | |
101 | * | |
102 | * Usage: | |
103 | * | |
104 | * printer-uri job-id user title copies options [file] | |
105 | */ | |
106 | ||
107 | int /* O - Exit status */ | |
108 | main(int argc, /* I - Number of command-line arguments (6 or 7) */ | |
109 | char *argv[]) /* I - Command-line arguments */ | |
110 | { | |
111 | char method[255], /* Method in URI */ | |
112 | hostname[1024], /* Hostname */ | |
113 | username[255], /* Username info (not used) */ | |
114 | resource[1024], /* Resource info (device and options) */ | |
115 | *options, /* Pointer to options */ | |
116 | name[255], /* Name of option */ | |
117 | value[255], /* Value of option */ | |
118 | *ptr; /* Pointer into name or value */ | |
119 | int port; /* Port number (not used) */ | |
ef416fc2 | 120 | int copies; /* Number of copies to print */ |
ed486911 | 121 | int print_fd, /* Print file */ |
122 | device_fd; /* Serial device */ | |
123 | int nfds; /* Maximum file descriptor value + 1 */ | |
124 | fd_set input, /* Input set for reading */ | |
125 | output; /* Output set for writing */ | |
126 | ssize_t print_bytes, /* Print bytes read */ | |
127 | bc_bytes, /* Backchannel bytes read */ | |
128 | total_bytes, /* Total bytes written */ | |
129 | bytes; /* Bytes written */ | |
ef416fc2 | 130 | int dtrdsr; /* Do dtr/dsr flow control? */ |
ed486911 | 131 | int print_size; /* Size of output buffer for writes */ |
132 | char print_buffer[8192], /* Print data buffer */ | |
133 | *print_ptr, /* Pointer into print data buffer */ | |
134 | bc_buffer[1024]; /* Back-channel data buffer */ | |
ef416fc2 | 135 | struct termios opts; /* Serial port options */ |
136 | struct termios origopts; /* Original port options */ | |
ef416fc2 | 137 | #if defined(HAVE_SIGACTION) && !defined(HAVE_SIGSET) |
138 | struct sigaction action; /* Actions for POSIX signals */ | |
139 | #endif /* HAVE_SIGACTION && !HAVE_SIGSET */ | |
140 | ||
141 | ||
142 | /* | |
143 | * Make sure status messages are not buffered... | |
144 | */ | |
145 | ||
146 | setbuf(stderr, NULL); | |
147 | ||
148 | /* | |
149 | * Ignore SIGPIPE signals... | |
150 | */ | |
151 | ||
152 | #ifdef HAVE_SIGSET | |
153 | sigset(SIGPIPE, SIG_IGN); | |
154 | #elif defined(HAVE_SIGACTION) | |
155 | memset(&action, 0, sizeof(action)); | |
156 | action.sa_handler = SIG_IGN; | |
157 | sigaction(SIGPIPE, &action, NULL); | |
158 | #else | |
159 | signal(SIGPIPE, SIG_IGN); | |
160 | #endif /* HAVE_SIGSET */ | |
161 | ||
162 | /* | |
163 | * Check command-line... | |
164 | */ | |
165 | ||
166 | if (argc == 1) | |
167 | { | |
168 | list_devices(); | |
169 | return (CUPS_BACKEND_OK); | |
170 | } | |
171 | else if (argc < 6 || argc > 7) | |
172 | { | |
173 | fputs("Usage: serial job-id user title copies options [file]\n", stderr); | |
174 | return (CUPS_BACKEND_FAILED); | |
175 | } | |
176 | ||
177 | /* | |
178 | * If we have 7 arguments, print the file named on the command-line. | |
179 | * Otherwise, send stdin instead... | |
180 | */ | |
181 | ||
182 | if (argc == 6) | |
183 | { | |
ed486911 | 184 | print_fd = 0; |
185 | copies = 1; | |
ef416fc2 | 186 | } |
187 | else | |
188 | { | |
189 | /* | |
190 | * Try to open the print file... | |
191 | */ | |
192 | ||
ed486911 | 193 | if ((print_fd = open(argv[6], O_RDONLY)) < 0) |
ef416fc2 | 194 | { |
195 | perror("ERROR: unable to open print file"); | |
196 | return (CUPS_BACKEND_FAILED); | |
197 | } | |
198 | ||
199 | copies = atoi(argv[4]); | |
200 | } | |
201 | ||
202 | /* | |
203 | * Extract the device name and options from the URI... | |
204 | */ | |
205 | ||
a4d04587 | 206 | httpSeparateURI(HTTP_URI_CODING_ALL, cupsBackendDeviceURI(argv), |
207 | method, sizeof(method), username, sizeof(username), | |
208 | hostname, sizeof(hostname), &port, | |
ef416fc2 | 209 | resource, sizeof(resource)); |
210 | ||
211 | /* | |
212 | * See if there are any options... | |
213 | */ | |
214 | ||
215 | if ((options = strchr(resource, '?')) != NULL) | |
216 | { | |
217 | /* | |
218 | * Yup, terminate the device name string and move to the first | |
219 | * character of the options... | |
220 | */ | |
221 | ||
222 | *options++ = '\0'; | |
223 | } | |
224 | ||
225 | /* | |
226 | * Open the serial port device... | |
227 | */ | |
228 | ||
757d2cad | 229 | fputs("STATE: +connecting-to-device\n", stderr); |
230 | ||
ef416fc2 | 231 | do |
232 | { | |
ed486911 | 233 | if ((device_fd = open(resource, O_RDWR | O_NOCTTY | O_EXCL | |
234 | O_NDELAY)) == -1) | |
ef416fc2 | 235 | { |
236 | if (getenv("CLASS") != NULL) | |
237 | { | |
238 | /* | |
239 | * If the CLASS environment variable is set, the job was submitted | |
240 | * to a class and not to a specific queue. In this case, we want | |
241 | * to abort immediately so that the job can be requeued on the next | |
242 | * available printer in the class. | |
243 | */ | |
244 | ||
245 | fputs("INFO: Unable to open serial port, queuing on next printer in class...\n", | |
246 | stderr); | |
247 | ||
248 | /* | |
249 | * Sleep 5 seconds to keep the job from requeuing too rapidly... | |
250 | */ | |
251 | ||
252 | sleep(5); | |
253 | ||
254 | return (CUPS_BACKEND_FAILED); | |
255 | } | |
256 | ||
257 | if (errno == EBUSY) | |
258 | { | |
259 | fputs("INFO: Serial port busy; will retry in 30 seconds...\n", stderr); | |
260 | sleep(30); | |
261 | } | |
262 | else | |
263 | { | |
264 | fprintf(stderr, "ERROR: Unable to open serial port device file \"%s\": %s\n", | |
265 | resource, strerror(errno)); | |
266 | return (CUPS_BACKEND_FAILED); | |
267 | } | |
268 | } | |
269 | } | |
ed486911 | 270 | while (device_fd < 0); |
ef416fc2 | 271 | |
757d2cad | 272 | fputs("STATE: -connecting-to-device\n", stderr); |
273 | ||
ef416fc2 | 274 | /* |
275 | * Set any options provided... | |
276 | */ | |
277 | ||
ed486911 | 278 | tcgetattr(device_fd, &origopts); |
279 | tcgetattr(device_fd, &opts); | |
ef416fc2 | 280 | |
ed486911 | 281 | opts.c_lflag &= ~(ICANON | ECHO | ISIG); |
282 | /* Raw mode */ | |
283 | opts.c_oflag &= ~OPOST; /* Don't post-process */ | |
ef416fc2 | 284 | |
ed486911 | 285 | print_size = 96; /* 9600 baud / 10 bits/char / 10Hz */ |
286 | dtrdsr = 0; /* No dtr/dsr flow control */ | |
ef416fc2 | 287 | |
ed486911 | 288 | if (options) |
289 | { | |
ef416fc2 | 290 | while (*options) |
291 | { | |
292 | /* | |
293 | * Get the name... | |
294 | */ | |
295 | ||
296 | for (ptr = name; *options && *options != '=';) | |
297 | if (ptr < (name + sizeof(name) - 1)) | |
298 | *ptr++ = *options++; | |
299 | *ptr = '\0'; | |
300 | ||
301 | if (*options == '=') | |
302 | { | |
303 | /* | |
304 | * Get the value... | |
305 | */ | |
306 | ||
307 | options ++; | |
308 | ||
309 | for (ptr = value; *options && *options != '+' && *options != '&';) | |
310 | if (ptr < (value + sizeof(value) - 1)) | |
311 | *ptr++ = *options++; | |
312 | *ptr = '\0'; | |
313 | ||
f301802f | 314 | if (*options == '+' || *options == '&') |
ef416fc2 | 315 | options ++; |
316 | } | |
317 | else | |
318 | value[0] = '\0'; | |
319 | ||
320 | /* | |
321 | * Process the option... | |
322 | */ | |
323 | ||
324 | if (!strcasecmp(name, "baud")) | |
325 | { | |
326 | /* | |
327 | * Set the baud rate... | |
328 | */ | |
329 | ||
ed486911 | 330 | print_size = atoi(value) / 100; |
ef416fc2 | 331 | |
332 | #if B19200 == 19200 | |
333 | cfsetispeed(&opts, atoi(value)); | |
334 | cfsetospeed(&opts, atoi(value)); | |
335 | #else | |
336 | switch (atoi(value)) | |
337 | { | |
338 | case 1200 : | |
339 | cfsetispeed(&opts, B1200); | |
340 | cfsetospeed(&opts, B1200); | |
341 | break; | |
342 | case 2400 : | |
343 | cfsetispeed(&opts, B2400); | |
344 | cfsetospeed(&opts, B2400); | |
345 | break; | |
346 | case 4800 : | |
347 | cfsetispeed(&opts, B4800); | |
348 | cfsetospeed(&opts, B4800); | |
349 | break; | |
350 | case 9600 : | |
351 | cfsetispeed(&opts, B9600); | |
352 | cfsetospeed(&opts, B9600); | |
353 | break; | |
354 | case 19200 : | |
355 | cfsetispeed(&opts, B19200); | |
356 | cfsetospeed(&opts, B19200); | |
357 | break; | |
358 | case 38400 : | |
359 | cfsetispeed(&opts, B38400); | |
360 | cfsetospeed(&opts, B38400); | |
361 | break; | |
362 | # ifdef B57600 | |
363 | case 57600 : | |
364 | cfsetispeed(&opts, B57600); | |
365 | cfsetospeed(&opts, B57600); | |
366 | break; | |
367 | # endif /* B57600 */ | |
368 | # ifdef B115200 | |
369 | case 115200 : | |
370 | cfsetispeed(&opts, B115200); | |
371 | cfsetospeed(&opts, B115200); | |
372 | break; | |
373 | # endif /* B115200 */ | |
374 | # ifdef B230400 | |
375 | case 230400 : | |
376 | cfsetispeed(&opts, B230400); | |
377 | cfsetospeed(&opts, B230400); | |
378 | break; | |
379 | # endif /* B230400 */ | |
380 | default : | |
381 | fprintf(stderr, "WARNING: Unsupported baud rate %s!\n", value); | |
382 | break; | |
383 | } | |
384 | #endif /* B19200 == 19200 */ | |
385 | } | |
386 | else if (!strcasecmp(name, "bits")) | |
387 | { | |
388 | /* | |
389 | * Set number of data bits... | |
390 | */ | |
391 | ||
392 | switch (atoi(value)) | |
393 | { | |
394 | case 7 : | |
395 | opts.c_cflag &= ~CSIZE; | |
396 | opts.c_cflag |= CS7; | |
397 | opts.c_cflag |= PARENB; | |
398 | opts.c_cflag &= ~PARODD; | |
399 | break; | |
400 | case 8 : | |
401 | opts.c_cflag &= ~CSIZE; | |
402 | opts.c_cflag |= CS8; | |
403 | opts.c_cflag &= ~PARENB; | |
404 | break; | |
405 | } | |
406 | } | |
407 | else if (!strcasecmp(name, "parity")) | |
408 | { | |
409 | /* | |
410 | * Set parity checking... | |
411 | */ | |
412 | ||
413 | if (!strcasecmp(value, "even")) | |
414 | { | |
415 | opts.c_cflag |= PARENB; | |
416 | opts.c_cflag &= ~PARODD; | |
417 | } | |
418 | else if (!strcasecmp(value, "odd")) | |
419 | { | |
420 | opts.c_cflag |= PARENB; | |
421 | opts.c_cflag |= PARODD; | |
422 | } | |
423 | else if (!strcasecmp(value, "none")) | |
424 | opts.c_cflag &= ~PARENB; | |
425 | else if (!strcasecmp(value, "space")) | |
426 | { | |
427 | /* | |
428 | * Note: we only support space parity with 7 bits per character... | |
429 | */ | |
430 | ||
431 | opts.c_cflag &= ~CSIZE; | |
432 | opts.c_cflag |= CS8; | |
433 | opts.c_cflag &= ~PARENB; | |
434 | } | |
435 | else if (!strcasecmp(value, "mark")) | |
436 | { | |
437 | /* | |
438 | * Note: we only support mark parity with 7 bits per character | |
439 | * and 1 stop bit... | |
440 | */ | |
441 | ||
442 | opts.c_cflag &= ~CSIZE; | |
443 | opts.c_cflag |= CS7; | |
444 | opts.c_cflag &= ~PARENB; | |
445 | opts.c_cflag |= CSTOPB; | |
446 | } | |
447 | } | |
448 | else if (!strcasecmp(name, "flow")) | |
449 | { | |
450 | /* | |
451 | * Set flow control... | |
452 | */ | |
453 | ||
454 | if (!strcasecmp(value, "none")) | |
455 | { | |
456 | opts.c_iflag &= ~(IXON | IXOFF); | |
457 | opts.c_cflag &= ~CRTSCTS; | |
458 | } | |
459 | else if (!strcasecmp(value, "soft")) | |
460 | { | |
461 | opts.c_iflag |= IXON | IXOFF; | |
462 | opts.c_cflag &= ~CRTSCTS; | |
463 | } | |
464 | else if (!strcasecmp(value, "hard") || | |
465 | !strcasecmp(value, "rtscts")) | |
466 | { | |
467 | opts.c_iflag &= ~(IXON | IXOFF); | |
468 | opts.c_cflag |= CRTSCTS; | |
469 | } | |
470 | else if (!strcasecmp(value, "dtrdsr")) | |
471 | { | |
472 | opts.c_iflag &= ~(IXON | IXOFF); | |
473 | opts.c_cflag &= ~CRTSCTS; | |
474 | ||
475 | dtrdsr = 1; | |
476 | } | |
477 | } | |
478 | else if (!strcasecmp(name, "stop")) | |
479 | { | |
480 | switch (atoi(value)) | |
481 | { | |
482 | case 1 : | |
483 | opts.c_cflag &= ~CSTOPB; | |
484 | break; | |
485 | ||
486 | case 2 : | |
487 | opts.c_cflag |= CSTOPB; | |
488 | break; | |
489 | } | |
490 | } | |
491 | } | |
ed486911 | 492 | } |
ef416fc2 | 493 | |
ed486911 | 494 | tcsetattr(device_fd, TCSANOW, &opts); |
495 | fcntl(device_fd, F_SETFL, 0); | |
ef416fc2 | 496 | |
497 | /* | |
498 | * Now that we are "connected" to the port, ignore SIGTERM so that we | |
499 | * can finish out any page data the driver sends (e.g. to eject the | |
500 | * current page... Only ignore SIGTERM if we are printing data from | |
501 | * stdin (otherwise you can't cancel raw jobs...) | |
502 | */ | |
503 | ||
ed486911 | 504 | if (print_fd != 0) |
ef416fc2 | 505 | { |
506 | #ifdef HAVE_SIGSET /* Use System V signals over POSIX to avoid bugs */ | |
507 | sigset(SIGTERM, SIG_IGN); | |
508 | #elif defined(HAVE_SIGACTION) | |
509 | memset(&action, 0, sizeof(action)); | |
510 | ||
511 | sigemptyset(&action.sa_mask); | |
512 | action.sa_handler = SIG_IGN; | |
513 | sigaction(SIGTERM, &action, NULL); | |
514 | #else | |
515 | signal(SIGTERM, SIG_IGN); | |
516 | #endif /* HAVE_SIGSET */ | |
517 | } | |
518 | ||
519 | /* | |
ed486911 | 520 | * Figure out the maximum file descriptor value to use with select()... |
ef416fc2 | 521 | */ |
522 | ||
ed486911 | 523 | nfds = (print_fd > device_fd ? print_fd : device_fd) + 1; |
524 | ||
525 | /* | |
526 | * Finally, send the print file. Ordinarily we would just use the | |
527 | * backendRunLoop() function, however since we need to use smaller | |
528 | * writes and may need to do DSR/DTR flow control, we duplicate much | |
529 | * of the code here instead... | |
530 | */ | |
ef416fc2 | 531 | |
ed486911 | 532 | if (print_size > sizeof(print_buffer)) |
533 | print_size = sizeof(print_buffer); | |
534 | ||
535 | total_bytes = 0; | |
ef416fc2 | 536 | |
537 | while (copies > 0) | |
538 | { | |
539 | copies --; | |
540 | ||
ed486911 | 541 | if (print_fd != 0) |
ef416fc2 | 542 | { |
543 | fputs("PAGE: 1 1\n", stderr); | |
ed486911 | 544 | lseek(print_fd, 0, SEEK_SET); |
ef416fc2 | 545 | } |
546 | ||
ed486911 | 547 | /* |
548 | * Now loop until we are out of data from print_fd... | |
549 | */ | |
550 | ||
551 | for (print_bytes = 0, print_ptr = print_buffer;;) | |
ef416fc2 | 552 | { |
553 | /* | |
ed486911 | 554 | * Use select() to determine whether we have data to copy around... |
ef416fc2 | 555 | */ |
556 | ||
ed486911 | 557 | FD_ZERO(&input); |
558 | if (!print_bytes) | |
559 | FD_SET(print_fd, &input); | |
560 | FD_SET(device_fd, &input); | |
f7deaa1a | 561 | FD_SET(CUPS_SC_FD, &input); |
ed486911 | 562 | |
563 | FD_ZERO(&output); | |
564 | if (print_bytes) | |
565 | FD_SET(device_fd, &output); | |
566 | ||
567 | if (select(nfds, &input, &output, NULL, NULL) < 0) | |
568 | continue; /* Ignore errors here */ | |
569 | ||
f7deaa1a | 570 | /* |
571 | * Check if we have a side-channel request ready... | |
572 | */ | |
573 | ||
574 | if (FD_ISSET(CUPS_SC_FD, &input)) | |
575 | side_cb(print_fd, device_fd, 1); | |
576 | ||
ed486911 | 577 | /* |
578 | * Check if we have back-channel data ready... | |
579 | */ | |
580 | ||
581 | if (FD_ISSET(device_fd, &input)) | |
582 | { | |
583 | if ((bc_bytes = read(device_fd, bc_buffer, sizeof(bc_buffer))) > 0) | |
584 | { | |
585 | fprintf(stderr, | |
586 | "DEBUG: Received " CUPS_LLFMT " bytes of back-channel data!\n", | |
587 | CUPS_LLCAST bc_bytes); | |
588 | cupsBackChannelWrite(bc_buffer, bc_bytes, 1.0); | |
589 | } | |
590 | } | |
ef416fc2 | 591 | |
ed486911 | 592 | /* |
593 | * Check if we have print data ready... | |
594 | */ | |
ef416fc2 | 595 | |
ed486911 | 596 | if (FD_ISSET(print_fd, &input)) |
597 | { | |
598 | if ((print_bytes = read(print_fd, print_buffer, print_size)) < 0) | |
ef416fc2 | 599 | { |
600 | /* | |
ed486911 | 601 | * Read error - bail if we don't see EAGAIN or EINTR... |
ef416fc2 | 602 | */ |
603 | ||
ed486911 | 604 | if (errno != EAGAIN || errno != EINTR) |
ef416fc2 | 605 | { |
ed486911 | 606 | perror("ERROR: Unable to read print data"); |
ef416fc2 | 607 | |
ed486911 | 608 | tcsetattr(device_fd, TCSADRAIN, &origopts); |
ef416fc2 | 609 | |
ed486911 | 610 | close(device_fd); |
ef416fc2 | 611 | |
ed486911 | 612 | if (print_fd != 0) |
613 | close(print_fd); | |
ef416fc2 | 614 | |
ed486911 | 615 | return (CUPS_BACKEND_FAILED); |
616 | } | |
ef416fc2 | 617 | |
ed486911 | 618 | print_bytes = 0; |
619 | } | |
620 | else if (print_bytes == 0) | |
ef416fc2 | 621 | { |
622 | /* | |
ed486911 | 623 | * End of file, break out of the loop... |
ef416fc2 | 624 | */ |
625 | ||
ed486911 | 626 | break; |
ef416fc2 | 627 | } |
628 | ||
ed486911 | 629 | print_ptr = print_buffer; |
630 | } | |
631 | ||
632 | /* | |
633 | * Check if the device is ready to receive data and we have data to | |
634 | * send... | |
635 | */ | |
636 | ||
637 | if (print_bytes && FD_ISSET(device_fd, &output)) | |
638 | { | |
639 | if (dtrdsr) | |
ef416fc2 | 640 | { |
641 | /* | |
ed486911 | 642 | * Check the port and sleep until DSR is set... |
ef416fc2 | 643 | */ |
644 | ||
ed486911 | 645 | int status; |
ef416fc2 | 646 | |
ef416fc2 | 647 | |
ed486911 | 648 | if (!ioctl(device_fd, TIOCMGET, &status)) |
649 | if (!(status & TIOCM_DSR)) | |
ef416fc2 | 650 | { |
ed486911 | 651 | /* |
652 | * Wait for DSR to go high... | |
653 | */ | |
654 | ||
655 | fputs("DEBUG: DSR is low; waiting for device...\n", stderr); | |
656 | ||
657 | do | |
658 | { | |
659 | /* | |
660 | * Poll every 100ms... | |
661 | */ | |
662 | ||
663 | usleep(100000); | |
664 | ||
665 | if (ioctl(device_fd, TIOCMGET, &status)) | |
666 | break; | |
667 | } | |
668 | while (!(status & TIOCM_DSR)); | |
669 | ||
670 | fputs("DEBUG: DSR is high; writing to device...\n", stderr); | |
671 | } | |
672 | } | |
673 | ||
674 | if ((bytes = write(device_fd, print_ptr, print_bytes)) < 0) | |
675 | { | |
676 | /* | |
677 | * Write error - bail if we don't see an error we can retry... | |
678 | */ | |
679 | ||
680 | if (errno != EAGAIN && errno != EINTR && errno != ENOTTY) | |
ef416fc2 | 681 | { |
ed486911 | 682 | perror("ERROR: Unable to write print data"); |
683 | ||
684 | tcsetattr(device_fd, TCSADRAIN, &origopts); | |
ef416fc2 | 685 | |
ed486911 | 686 | close(device_fd); |
687 | ||
688 | if (print_fd != 0) | |
689 | close(print_fd); | |
690 | ||
691 | return (CUPS_BACKEND_FAILED); | |
ef416fc2 | 692 | } |
693 | } | |
ed486911 | 694 | else |
695 | { | |
696 | fprintf(stderr, "DEBUG: Wrote %d bytes...\n", (int)bytes); | |
ef416fc2 | 697 | |
ed486911 | 698 | print_bytes -= bytes; |
699 | print_ptr += bytes; | |
700 | total_bytes += bytes; | |
701 | } | |
702 | } | |
ef416fc2 | 703 | } |
704 | } | |
705 | ||
706 | /* | |
707 | * Close the serial port and input file and return... | |
708 | */ | |
709 | ||
ed486911 | 710 | tcsetattr(device_fd, TCSADRAIN, &origopts); |
711 | ||
712 | close(device_fd); | |
ef416fc2 | 713 | |
ed486911 | 714 | if (print_fd != 0) |
715 | close(print_fd); | |
ef416fc2 | 716 | |
ed486911 | 717 | return (total_bytes < 0 ? CUPS_BACKEND_FAILED : CUPS_BACKEND_OK); |
ef416fc2 | 718 | } |
719 | ||
720 | ||
721 | /* | |
722 | * 'list_devices()' - List all serial devices. | |
723 | */ | |
724 | ||
f7deaa1a | 725 | static void |
ef416fc2 | 726 | list_devices(void) |
727 | { | |
b423cd4c | 728 | #if defined(__hpux) || defined(__sgi) || defined(__sun) || defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__DragonFly__) |
ef416fc2 | 729 | static char *funky_hex = "0123456789abcdefghijklmnopqrstuvwxyz"; |
89d46774 | 730 | /* Funky hex numbering used for some * |
731 | * devices */ | |
ef416fc2 | 732 | #endif /* __hpux || __sgi || __sun || __FreeBSD__ || __OpenBSD__ */ |
733 | ||
89d46774 | 734 | #ifdef __linux |
735 | int i, j; /* Looping vars */ | |
736 | int fd; /* File descriptor */ | |
737 | char device[255]; /* Device filename */ | |
738 | # ifdef TIOCGSERIAL | |
739 | struct serial_struct serinfo; /* serial port info */ | |
740 | # endif /* TIOCGSERIAL */ | |
ef416fc2 | 741 | |
742 | ||
743 | for (i = 0; i < 100; i ++) | |
744 | { | |
745 | sprintf(device, "/dev/ttyS%d", i); | |
89d46774 | 746 | |
ef416fc2 | 747 | if ((fd = open(device, O_WRONLY | O_NOCTTY | O_NDELAY)) >= 0) |
748 | { | |
89d46774 | 749 | # ifdef TIOCGSERIAL |
750 | /* | |
751 | * See if this port exists... | |
752 | */ | |
753 | ||
754 | serinfo.reserved_char[0] = 0; | |
755 | ||
756 | if (!ioctl(fd, TIOCGSERIAL, &serinfo)) | |
757 | { | |
758 | if (serinfo.type == PORT_UNKNOWN) | |
759 | { | |
760 | /* | |
761 | * Nope... | |
762 | */ | |
763 | ||
764 | close(fd); | |
765 | continue; | |
766 | } | |
767 | } | |
768 | # endif /* TIOCGSERIAL */ | |
769 | ||
ef416fc2 | 770 | close(fd); |
89d46774 | 771 | |
ef416fc2 | 772 | # if defined(_ARCH_PPC) || defined(powerpc) || defined(__powerpc) |
773 | printf("serial serial:%s?baud=230400 \"Unknown\" \"Serial Port #%d\"\n", | |
774 | device, i + 1); | |
775 | # else | |
776 | printf("serial serial:%s?baud=115200 \"Unknown\" \"Serial Port #%d\"\n", | |
777 | device, i + 1); | |
778 | # endif /* _ARCH_PPC || powerpc || __powerpc */ | |
779 | } | |
780 | } | |
781 | ||
782 | for (i = 0; i < 16; i ++) | |
783 | { | |
784 | sprintf(device, "/dev/usb/ttyUSB%d", i); | |
785 | if ((fd = open(device, O_WRONLY | O_NOCTTY | O_NDELAY)) >= 0) | |
786 | { | |
787 | close(fd); | |
788 | printf("serial serial:%s?baud=230400 \"Unknown\" \"USB Serial Port #%d\"\n", | |
789 | device, i + 1); | |
790 | } | |
26d47ec6 | 791 | |
792 | sprintf(device, "/dev/ttyUSB%d", i); | |
793 | if ((fd = open(device, O_WRONLY | O_NOCTTY | O_NDELAY)) >= 0) | |
794 | { | |
795 | close(fd); | |
796 | printf("serial serial:%s?baud=230400 \"Unknown\" \"USB Serial Port #%d\"\n", | |
797 | device, i + 1); | |
798 | } | |
ef416fc2 | 799 | } |
b423cd4c | 800 | |
801 | for (i = 0; i < 64; i ++) | |
802 | { | |
803 | for (j = 0; j < 8; j ++) | |
804 | { | |
805 | sprintf(device, "/dev/ttyQ%02de%d", i, j); | |
806 | if ((fd = open(device, O_WRONLY | O_NOCTTY | O_NDELAY)) >= 0) | |
807 | { | |
808 | close(fd); | |
809 | printf("serial serial:%s?baud=115200 \"Unknown\" " | |
810 | "\"Equinox ESP %d Port #%d\"\n", | |
811 | device, i, j + 1); | |
812 | } | |
813 | } | |
814 | } | |
ef416fc2 | 815 | #elif defined(__sgi) |
816 | int i, j, n; /* Looping vars */ | |
817 | char device[255]; /* Device filename */ | |
818 | inventory_t *inv; /* Hardware inventory info */ | |
819 | ||
820 | ||
821 | /* | |
822 | * IRIX maintains a hardware inventory of most devices... | |
823 | */ | |
824 | ||
825 | setinvent(); | |
826 | ||
827 | while ((inv = getinvent()) != NULL) | |
828 | { | |
829 | if (inv->inv_class == INV_SERIAL) | |
830 | { | |
831 | /* | |
832 | * Some sort of serial port... | |
833 | */ | |
834 | ||
835 | if (inv->inv_type == INV_CDSIO || inv->inv_type == INV_CDSIO_E) | |
836 | { | |
837 | /* | |
838 | * CDSIO port... | |
839 | */ | |
840 | ||
841 | for (n = 0; n < 6; n ++) | |
842 | printf("serial serial:/dev/ttyd%d?baud=38400 \"Unknown\" \"CDSIO Board %d Serial Port #%d\"\n", | |
843 | n + 5 + 8 * inv->inv_controller, inv->inv_controller, n + 1); | |
844 | } | |
845 | else if (inv->inv_type == INV_EPC_SERIAL) | |
846 | { | |
847 | /* | |
848 | * Everest serial port... | |
849 | */ | |
850 | ||
851 | if (inv->inv_unit == 0) | |
852 | i = 1; | |
853 | else | |
854 | i = 41 + 4 * (int)inv->inv_controller; | |
855 | ||
856 | for (n = 0; n < (int)inv->inv_state; n ++) | |
857 | printf("serial serial:/dev/ttyd%d?baud=38400 \"Unknown\" \"EPC Serial Port %d, Ebus slot %d\"\n", | |
858 | n + i, n + 1, (int)inv->inv_controller); | |
859 | } | |
860 | else if (inv->inv_state > 1) | |
861 | { | |
862 | /* | |
863 | * Standard serial port under IRIX 6.4 and earlier... | |
864 | */ | |
865 | ||
866 | for (n = 0; n < (int)inv->inv_state; n ++) | |
867 | printf("serial serial:/dev/ttyd%d?baud=38400 \"Unknown\" \"Onboard Serial Port %d\"\n", | |
868 | n + (int)inv->inv_unit + 1, n + (int)inv->inv_unit + 1); | |
869 | } | |
870 | else | |
871 | { | |
872 | /* | |
873 | * Standard serial port under IRIX 6.5 and beyond... | |
874 | */ | |
875 | ||
876 | printf("serial serial:/dev/ttyd%d?baud=115200 \"Unknown\" \"Onboard Serial Port %d\"\n", | |
877 | (int)inv->inv_controller, (int)inv->inv_controller); | |
878 | } | |
879 | } | |
880 | } | |
881 | ||
882 | endinvent(); | |
883 | ||
884 | /* | |
885 | * Central Data makes serial and parallel "servers" that can be | |
886 | * connected in a number of ways. Look for ports... | |
887 | */ | |
888 | ||
889 | for (i = 0; i < 10; i ++) | |
890 | for (j = 0; j < 8; j ++) | |
891 | for (n = 0; n < 32; n ++) | |
892 | { | |
893 | if (i == 8) /* EtherLite */ | |
894 | sprintf(device, "/dev/ttydn%d%c", j, funky_hex[n]); | |
895 | else if (i == 9) /* PCI */ | |
896 | sprintf(device, "/dev/ttydp%d%c", j, funky_hex[n]); | |
897 | else /* SCSI */ | |
898 | sprintf(device, "/dev/ttyd%d%d%c", i, j, funky_hex[n]); | |
899 | ||
900 | if (access(device, 0) == 0) | |
901 | { | |
902 | if (i == 8) | |
903 | printf("serial serial:%s?baud=38400 \"Unknown\" \"Central Data EtherLite Serial Port, ID %d, port %d\"\n", | |
904 | device, j, n); | |
905 | else if (i == 9) | |
906 | printf("serial serial:%s?baud=38400 \"Unknown\" \"Central Data PCI Serial Port, ID %d, port %d\"\n", | |
907 | device, j, n); | |
908 | else | |
909 | printf("serial serial:%s?baud=38400 \"Unknown\" \"Central Data SCSI Serial Port, logical bus %d, ID %d, port %d\"\n", | |
910 | device, i, j, n); | |
911 | } | |
912 | } | |
913 | #elif defined(__sun) | |
914 | int i, j, n; /* Looping vars */ | |
915 | char device[255]; /* Device filename */ | |
916 | ||
917 | ||
918 | /* | |
919 | * Standard serial ports... | |
920 | */ | |
921 | ||
922 | for (i = 0; i < 26; i ++) | |
923 | { | |
924 | sprintf(device, "/dev/cua/%c", 'a' + i); | |
925 | if (access(device, 0) == 0) | |
89d46774 | 926 | # ifdef B115200 |
ef416fc2 | 927 | printf("serial serial:%s?baud=115200 \"Unknown\" \"Serial Port #%d\"\n", |
928 | device, i + 1); | |
89d46774 | 929 | # else |
ef416fc2 | 930 | printf("serial serial:%s?baud=38400 \"Unknown\" \"Serial Port #%d\"\n", |
931 | device, i + 1); | |
89d46774 | 932 | # endif /* B115200 */ |
ef416fc2 | 933 | } |
934 | ||
935 | /* | |
936 | * MAGMA serial ports... | |
937 | */ | |
938 | ||
939 | for (i = 0; i < 40; i ++) | |
940 | { | |
941 | sprintf(device, "/dev/term/%02d", i); | |
942 | if (access(device, 0) == 0) | |
943 | printf("serial serial:%s?baud=38400 \"Unknown\" \"MAGMA Serial Board #%d Port #%d\"\n", | |
944 | device, (i / 10) + 1, (i % 10) + 1); | |
945 | } | |
946 | ||
947 | /* | |
948 | * Central Data serial ports... | |
949 | */ | |
950 | ||
951 | for (i = 0; i < 9; i ++) | |
952 | for (j = 0; j < 8; j ++) | |
953 | for (n = 0; n < 32; n ++) | |
954 | { | |
955 | if (i == 8) /* EtherLite */ | |
956 | sprintf(device, "/dev/sts/ttyN%d%c", j, funky_hex[n]); | |
957 | else | |
958 | sprintf(device, "/dev/sts/tty%c%d%c", i + 'C', j, | |
959 | funky_hex[n]); | |
960 | ||
961 | if (access(device, 0) == 0) | |
962 | { | |
963 | if (i == 8) | |
964 | printf("serial serial:%s?baud=38400 \"Unknown\" \"Central Data EtherLite Serial Port, ID %d, port %d\"\n", | |
965 | device, j, n); | |
966 | else | |
967 | printf("serial serial:%s?baud=38400 \"Unknown\" \"Central Data SCSI Serial Port, logical bus %d, ID %d, port %d\"\n", | |
968 | device, i, j, n); | |
969 | } | |
970 | } | |
971 | #elif defined(__hpux) | |
972 | int i, j, n; /* Looping vars */ | |
973 | char device[255]; /* Device filename */ | |
974 | ||
975 | ||
976 | /* | |
977 | * Standard serial ports... | |
978 | */ | |
979 | ||
980 | for (i = 0; i < 10; i ++) | |
981 | { | |
982 | sprintf(device, "/dev/tty%dp0", i); | |
983 | if (access(device, 0) == 0) | |
984 | printf("serial serial:%s?baud=38400 \"Unknown\" \"Serial Port #%d\"\n", | |
985 | device, i + 1); | |
986 | } | |
987 | ||
988 | /* | |
989 | * Central Data serial ports... | |
990 | */ | |
991 | ||
992 | for (i = 0; i < 9; i ++) | |
993 | for (j = 0; j < 8; j ++) | |
994 | for (n = 0; n < 32; n ++) | |
995 | { | |
996 | if (i == 8) /* EtherLite */ | |
997 | sprintf(device, "/dev/ttyN%d%c", j, funky_hex[n]); | |
998 | else | |
999 | sprintf(device, "/dev/tty%c%d%c", i + 'C', j, | |
1000 | funky_hex[n]); | |
1001 | ||
1002 | if (access(device, 0) == 0) | |
1003 | { | |
1004 | if (i == 8) | |
1005 | printf("serial serial:%s?baud=38400 \"Unknown\" \"Central Data EtherLite Serial Port, ID %d, port %d\"\n", | |
1006 | device, j, n); | |
1007 | else | |
1008 | printf("serial serial:%s?baud=38400 \"Unknown\" \"Central Data SCSI Serial Port, logical bus %d, ID %d, port %d\"\n", | |
1009 | device, i, j, n); | |
1010 | } | |
1011 | } | |
1012 | #elif defined(__osf__) | |
1013 | int i; /* Looping var */ | |
1014 | char device[255]; /* Device filename */ | |
1015 | ||
1016 | ||
1017 | /* | |
1018 | * Standard serial ports... | |
1019 | */ | |
1020 | ||
1021 | for (i = 0; i < 100; i ++) | |
1022 | { | |
1023 | sprintf(device, "/dev/tty%02d", i); | |
1024 | if (access(device, 0) == 0) | |
1025 | printf("serial serial:%s?baud=38400 \"Unknown\" \"Serial Port #%d\"\n", | |
1026 | device, i + 1); | |
1027 | } | |
b423cd4c | 1028 | #elif defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__DragonFly__) |
ef416fc2 | 1029 | int i, j; /* Looping vars */ |
1030 | int fd; /* File descriptor */ | |
1031 | char device[255]; /* Device filename */ | |
1032 | ||
1033 | ||
1034 | /* | |
1035 | * SIO ports... | |
1036 | */ | |
1037 | ||
1038 | for (i = 0; i < 32; i ++) | |
1039 | { | |
1040 | sprintf(device, "/dev/ttyd%c", funky_hex[i]); | |
1041 | if ((fd = open(device, O_WRONLY | O_NOCTTY | O_NDELAY)) >= 0) | |
1042 | { | |
1043 | close(fd); | |
1044 | printf("serial serial:%s?baud=115200 \"Unknown\" \"Standard Serial Port #%d\"\n", | |
1045 | device, i + 1); | |
1046 | } | |
1047 | } | |
1048 | ||
1049 | /* | |
1050 | * Cyclades ports... | |
1051 | */ | |
1052 | ||
1053 | for (i = 0; i < 16; i ++) /* Should be up to 65536 boards... */ | |
1054 | for (j = 0; j < 32; j ++) | |
1055 | { | |
1056 | sprintf(device, "/dev/ttyc%d%c", i, funky_hex[j]); | |
1057 | if ((fd = open(device, O_WRONLY | O_NOCTTY | O_NDELAY)) >= 0) | |
1058 | { | |
1059 | close(fd); | |
1060 | printf("serial serial:%s?baud=115200 \"Unknown\" \"Cyclades #%d Serial Port #%d\"\n", | |
1061 | device, i, j + 1); | |
1062 | } | |
1063 | ||
1064 | sprintf(device, "/dev/ttyC%d%c", i, funky_hex[j]); | |
1065 | if ((fd = open(device, O_WRONLY | O_NOCTTY | O_NDELAY)) >= 0) | |
1066 | { | |
1067 | close(fd); | |
1068 | printf("serial serial:%s?baud=115200 \"Unknown\" \"Cyclades #%d Serial Port #%d\"\n", | |
1069 | device, i, j + 1); | |
1070 | } | |
1071 | } | |
1072 | ||
1073 | /* | |
1074 | * Digiboard ports... | |
1075 | */ | |
1076 | ||
1077 | for (i = 0; i < 16; i ++) /* Should be up to 65536 boards... */ | |
1078 | for (j = 0; j < 32; j ++) | |
1079 | { | |
1080 | sprintf(device, "/dev/ttyD%d%c", i, funky_hex[j]); | |
1081 | if ((fd = open(device, O_WRONLY | O_NOCTTY | O_NDELAY)) >= 0) | |
1082 | { | |
1083 | close(fd); | |
1084 | printf("serial serial:%s?baud=115200 \"Unknown\" \"Digiboard #%d Serial Port #%d\"\n", | |
1085 | device, i, j + 1); | |
1086 | } | |
1087 | } | |
1088 | ||
1089 | /* | |
1090 | * Stallion ports... | |
1091 | */ | |
1092 | ||
1093 | for (i = 0; i < 32; i ++) | |
1094 | { | |
1095 | sprintf(device, "/dev/ttyE%c", funky_hex[i]); | |
1096 | if ((fd = open(device, O_WRONLY | O_NOCTTY | O_NDELAY)) >= 0) | |
1097 | { | |
1098 | close(fd); | |
1099 | printf("serial serial:%s?baud=115200 \"Unknown\" \"Stallion Serial Port #%d\"\n", | |
1100 | device, i + 1); | |
1101 | } | |
1102 | } | |
1103 | ||
1104 | /* | |
1105 | * SX ports... | |
1106 | */ | |
1107 | ||
1108 | for (i = 0; i < 128; i ++) | |
1109 | { | |
1110 | sprintf(device, "/dev/ttyA%d", i + 1); | |
1111 | if ((fd = open(device, O_WRONLY | O_NOCTTY | O_NDELAY)) >= 0) | |
1112 | { | |
1113 | close(fd); | |
1114 | printf("serial serial:%s?baud=115200 \"Unknown\" \"SX Serial Port #%d\"\n", | |
1115 | device, i + 1); | |
1116 | } | |
1117 | } | |
1118 | #elif defined(__NetBSD__) | |
1119 | int i, j; /* Looping vars */ | |
1120 | int fd; /* File descriptor */ | |
1121 | char device[255]; /* Device filename */ | |
1122 | ||
1123 | ||
1124 | /* | |
1125 | * Standard serial ports... | |
1126 | */ | |
1127 | ||
1128 | for (i = 0; i < 4; i ++) | |
1129 | { | |
1130 | sprintf(device, "/dev/tty%02d", i); | |
1131 | if ((fd = open(device, O_WRONLY | O_NOCTTY | O_NDELAY)) >= 0) | |
1132 | { | |
1133 | close(fd); | |
1134 | printf("serial serial:%s?baud=115200 \"Unknown\" \"Serial Port #%d\"\n", | |
1135 | device, i + 1); | |
1136 | } | |
1137 | } | |
1138 | ||
1139 | /* | |
1140 | * Cyclades-Z ports... | |
1141 | */ | |
1142 | ||
1143 | for (i = 0; i < 16; i ++) /* Should be up to 65536 boards... */ | |
1144 | for (j = 0; j < 64; j ++) | |
1145 | { | |
1146 | sprintf(device, "/dev/ttyCZ%02d%02d", i, j); | |
1147 | if ((fd = open(device, O_WRONLY | O_NOCTTY | O_NDELAY)) >= 0) | |
1148 | { | |
1149 | close(fd); | |
1150 | printf("serial serial:%s?baud=115200 \"Unknown\" \"Cyclades #%d Serial Prt #%d\"\n", | |
1151 | device, i, j + 1); | |
1152 | } | |
1153 | } | |
1154 | #elif defined(__APPLE__) | |
1155 | /* | |
1156 | * Standard serial ports on MacOS X... | |
1157 | */ | |
1158 | ||
1159 | kern_return_t kernResult; | |
1160 | mach_port_t masterPort; | |
1161 | io_iterator_t serialPortIterator; | |
1162 | CFMutableDictionaryRef classesToMatch; | |
1163 | io_object_t serialService; | |
1164 | ||
ef416fc2 | 1165 | |
1166 | kernResult = IOMasterPort(MACH_PORT_NULL, &masterPort); | |
1167 | if (KERN_SUCCESS != kernResult) | |
1168 | return; | |
1169 | ||
1170 | /* | |
1171 | * Serial devices are instances of class IOSerialBSDClient. | |
1172 | */ | |
1173 | ||
1174 | classesToMatch = IOServiceMatching(kIOSerialBSDServiceValue); | |
1175 | if (classesToMatch != NULL) | |
1176 | { | |
1177 | CFDictionarySetValue(classesToMatch, CFSTR(kIOSerialBSDTypeKey), | |
1178 | CFSTR(kIOSerialBSDRS232Type)); | |
1179 | ||
1180 | kernResult = IOServiceGetMatchingServices(masterPort, classesToMatch, | |
1181 | &serialPortIterator); | |
1182 | if (kernResult == KERN_SUCCESS) | |
1183 | { | |
1184 | while ((serialService = IOIteratorNext(serialPortIterator))) | |
1185 | { | |
1186 | CFTypeRef serialNameAsCFString; | |
1187 | CFTypeRef bsdPathAsCFString; | |
1188 | char serialName[128]; | |
1189 | char bsdPath[1024]; | |
1190 | Boolean result; | |
1191 | ||
1192 | ||
1193 | serialNameAsCFString = | |
1194 | IORegistryEntryCreateCFProperty(serialService, | |
1195 | CFSTR(kIOTTYDeviceKey), | |
1196 | kCFAllocatorDefault, 0); | |
1197 | if (serialNameAsCFString) | |
1198 | { | |
1199 | result = CFStringGetCString(serialNameAsCFString, serialName, | |
1200 | sizeof(serialName), | |
1201 | kCFStringEncodingASCII); | |
1202 | CFRelease(serialNameAsCFString); | |
1203 | ||
1204 | if (result) | |
1205 | { | |
1206 | bsdPathAsCFString = | |
1207 | IORegistryEntryCreateCFProperty(serialService, | |
1208 | CFSTR(kIOCalloutDeviceKey), | |
1209 | kCFAllocatorDefault, 0); | |
1210 | if (bsdPathAsCFString) | |
1211 | { | |
1212 | result = CFStringGetCString(bsdPathAsCFString, bsdPath, | |
1213 | sizeof(bsdPath), | |
1214 | kCFStringEncodingASCII); | |
1215 | CFRelease(bsdPathAsCFString); | |
1216 | ||
1217 | if (result) | |
89d46774 | 1218 | printf("serial serial:%s?baud=115200 \"Unknown\" \"%s\"\n", |
1219 | bsdPath, serialName); | |
ef416fc2 | 1220 | } |
1221 | } | |
1222 | } | |
1223 | ||
1224 | IOObjectRelease(serialService); | |
1225 | } | |
1226 | ||
89d46774 | 1227 | /* |
1228 | * Release the iterator. | |
1229 | */ | |
1230 | ||
1231 | IOObjectRelease(serialPortIterator); | |
ef416fc2 | 1232 | } |
1233 | } | |
1234 | #endif | |
1235 | } | |
1236 | ||
1237 | ||
1238 | /* | |
f7deaa1a | 1239 | * 'side_cb()' - Handle side-channel requests... |
1240 | */ | |
1241 | ||
1242 | static void | |
1243 | side_cb(int print_fd, /* I - Print file */ | |
1244 | int device_fd, /* I - Device file */ | |
1245 | int use_bc) /* I - Using back-channel? */ | |
1246 | { | |
1247 | cups_sc_command_t command; /* Request command */ | |
1248 | cups_sc_status_t status; /* Request/response status */ | |
1249 | char data[2048]; /* Request/response data */ | |
1250 | int datalen; /* Request/response data size */ | |
1251 | ||
1252 | ||
1253 | datalen = sizeof(data); | |
1254 | ||
1255 | if (cupsSideChannelRead(&command, &status, data, &datalen, 1.0)) | |
1256 | { | |
1257 | fputs("WARNING: Failed to read side-channel request!\n", stderr); | |
1258 | return; | |
1259 | } | |
1260 | ||
1261 | switch (command) | |
1262 | { | |
1263 | case CUPS_SC_CMD_DRAIN_OUTPUT : | |
1264 | if (tcdrain(device_fd)) | |
1265 | status = CUPS_SC_STATUS_IO_ERROR; | |
1266 | else | |
1267 | status = CUPS_SC_STATUS_OK; | |
1268 | ||
1269 | datalen = 0; | |
1270 | break; | |
1271 | ||
1272 | case CUPS_SC_CMD_GET_BIDI : | |
1273 | data[0] = use_bc; | |
1274 | datalen = 1; | |
1275 | break; | |
1276 | ||
1277 | default : | |
1278 | status = CUPS_SC_STATUS_NOT_IMPLEMENTED; | |
1279 | datalen = 0; | |
1280 | break; | |
1281 | } | |
1282 | ||
1283 | cupsSideChannelWrite(command, status, data, datalen, 1.0); | |
1284 | } | |
1285 | ||
1286 | ||
1287 | /* | |
1288 | * End of "$Id: serial.c 6170 2007-01-02 17:26:41Z mike $". | |
ef416fc2 | 1289 | */ |