2 * "$Id: serial.c 6911 2007-09-04 20:35:08Z mike $"
4 * Serial port backend for the Common UNIX Printing System (CUPS).
6 * Copyright 2007 by Apple Inc.
7 * Copyright 1997-2007 by Easy Software Products, all rights reserved.
9 * These coded instructions, statements, and computer programs are the
10 * property of Apple Inc. and are protected by Federal copyright
11 * law. Distribution and use rights are outlined in the file "LICENSE.txt"
12 * "LICENSE" which should have been included with this file. If this
13 * file is missing or damaged, see the license at "http://www.cups.org/".
15 * This file is subject to the Apple OS-Developed Software exception.
19 * main() - Send a file to the printer or server.
20 * list_devices() - List all serial devices.
21 * side_cb() - Handle side-channel requests...
25 * Include necessary headers.
28 #include "backend-private.h"
31 # include <sys/modem.h>
41 # include <sys/time.h>
43 # include <sys/select.h>
45 # ifdef HAVE_SYS_IOCTL_H
46 # include <sys/ioctl.h>
47 # endif /* HAVE_SYS_IOCTL_H */
52 # ifndef INV_EPP_ECP_PLP
53 # define INV_EPP_ECP_PLP 6 /* From 6.3/6.4/6.5 sys/invent.h */
54 # define INV_ASO_SERIAL 14 /* serial portion of SGI ASO board */
55 # define INV_IOC3_DMA 16 /* DMA mode IOC3 serial */
56 # define INV_IOC3_PIO 17 /* PIO mode IOC3 serial */
57 # define INV_ISA_DMA 19 /* DMA mode ISA serial -- O2 */
58 # endif /* !INV_EPP_ECP_PLP */
63 # define CRTSCTS CNEW_RTSCTS
66 # endif /* CNEW_RTSCTS */
69 #if defined(__APPLE__)
70 # include <CoreFoundation/CoreFoundation.h>
71 # include <IOKit/IOKitLib.h>
72 # include <IOKit/serial/IOSerialKeys.h>
73 # include <IOKit/IOBSD.h>
74 #endif /* __APPLE__ */
76 #if defined(__linux) && defined(TIOCGSERIAL)
77 # include <linux/serial.h>
78 # include <linux/ioctl.h>
79 #endif /* __linux && TIOCGSERIAL */
86 static void list_devices(void);
87 static void side_cb(int print_fd
, int device_fd
, int use_bc
);
91 * 'main()' - Send a file to the printer or server.
95 * printer-uri job-id user title copies options [file]
98 int /* O - Exit status */
99 main(int argc
, /* I - Number of command-line arguments (6 or 7) */
100 char *argv
[]) /* I - Command-line arguments */
102 char method
[255], /* Method in URI */
103 hostname
[1024], /* Hostname */
104 username
[255], /* Username info (not used) */
105 resource
[1024], /* Resource info (device and options) */
106 *options
, /* Pointer to options */
107 *name
, /* Name of option */
108 *value
, /* Value of option */
109 sep
; /* Option separator */
110 int port
; /* Port number (not used) */
111 int copies
; /* Number of copies to print */
112 int print_fd
, /* Print file */
113 device_fd
; /* Serial device */
114 int nfds
; /* Maximum file descriptor value + 1 */
115 fd_set input
, /* Input set for reading */
116 output
; /* Output set for writing */
117 ssize_t print_bytes
, /* Print bytes read */
118 bc_bytes
, /* Backchannel bytes read */
119 total_bytes
, /* Total bytes written */
120 bytes
; /* Bytes written */
121 int dtrdsr
; /* Do dtr/dsr flow control? */
122 int print_size
; /* Size of output buffer for writes */
123 char print_buffer
[8192], /* Print data buffer */
124 *print_ptr
, /* Pointer into print data buffer */
125 bc_buffer
[1024]; /* Back-channel data buffer */
126 struct termios opts
; /* Serial port options */
127 struct termios origopts
; /* Original port options */
128 #if defined(HAVE_SIGACTION) && !defined(HAVE_SIGSET)
129 struct sigaction action
; /* Actions for POSIX signals */
130 #endif /* HAVE_SIGACTION && !HAVE_SIGSET */
134 * Make sure status messages are not buffered...
137 setbuf(stderr
, NULL
);
140 * Ignore SIGPIPE signals...
144 sigset(SIGPIPE
, SIG_IGN
);
145 #elif defined(HAVE_SIGACTION)
146 memset(&action
, 0, sizeof(action
));
147 action
.sa_handler
= SIG_IGN
;
148 sigaction(SIGPIPE
, &action
, NULL
);
150 signal(SIGPIPE
, SIG_IGN
);
151 #endif /* HAVE_SIGSET */
154 * Check command-line...
160 return (CUPS_BACKEND_OK
);
162 else if (argc
< 6 || argc
> 7)
164 _cupsLangPrintf(stderr
,
165 _("Usage: %s job-id user title copies options [file]\n"),
167 return (CUPS_BACKEND_FAILED
);
171 * If we have 7 arguments, print the file named on the command-line.
172 * Otherwise, send stdin instead...
183 * Try to open the print file...
186 if ((print_fd
= open(argv
[6], O_RDONLY
)) < 0)
188 perror("ERROR: unable to open print file");
189 return (CUPS_BACKEND_FAILED
);
192 copies
= atoi(argv
[4]);
196 * Extract the device name and options from the URI...
199 httpSeparateURI(HTTP_URI_CODING_ALL
, cupsBackendDeviceURI(argv
),
200 method
, sizeof(method
), username
, sizeof(username
),
201 hostname
, sizeof(hostname
), &port
,
202 resource
, sizeof(resource
));
205 * See if there are any options...
208 if ((options
= strchr(resource
, '?')) != NULL
)
211 * Yup, terminate the device name string and move to the first
212 * character of the options...
219 * Open the serial port device...
222 fputs("STATE: +connecting-to-device\n", stderr
);
226 if ((device_fd
= open(resource
, O_RDWR
| O_NOCTTY
| O_EXCL
|
229 if (getenv("CLASS") != NULL
)
232 * If the CLASS environment variable is set, the job was submitted
233 * to a class and not to a specific queue. In this case, we want
234 * to abort immediately so that the job can be requeued on the next
235 * available printer in the class.
238 _cupsLangPuts(stderr
,
239 _("INFO: Unable to contact printer, queuing on next "
240 "printer in class...\n"));
243 * Sleep 5 seconds to keep the job from requeuing too rapidly...
248 return (CUPS_BACKEND_FAILED
);
253 _cupsLangPuts(stderr
,
254 _("INFO: Printer busy; will retry in 30 seconds...\n"));
259 _cupsLangPrintf(stderr
,
260 _("ERROR: Unable to open device file \"%s\": %s\n"),
261 resource
, strerror(errno
));
262 return (CUPS_BACKEND_FAILED
);
266 while (device_fd
< 0);
268 fputs("STATE: -connecting-to-device\n", stderr
);
271 * Set any options provided...
274 tcgetattr(device_fd
, &origopts
);
275 tcgetattr(device_fd
, &opts
);
277 opts
.c_lflag
&= ~(ICANON
| ECHO
| ISIG
);
279 opts
.c_oflag
&= ~OPOST
; /* Don't post-process */
281 print_size
= 96; /* 9600 baud / 10 bits/char / 10Hz */
282 dtrdsr
= 0; /* No dtr/dsr flow control */
294 while (*options
&& *options
!= '=' && *options
!= '+' && *options
!= '&')
297 if ((sep
= *options
) != '\0')
308 while (*options
&& *options
!= '+' && *options
!= '&')
318 * Process the option...
321 if (!strcasecmp(name
, "baud"))
324 * Set the baud rate...
327 print_size
= atoi(value
) / 100;
330 cfsetispeed(&opts
, atoi(value
));
331 cfsetospeed(&opts
, atoi(value
));
336 cfsetispeed(&opts
, B1200
);
337 cfsetospeed(&opts
, B1200
);
340 cfsetispeed(&opts
, B2400
);
341 cfsetospeed(&opts
, B2400
);
344 cfsetispeed(&opts
, B4800
);
345 cfsetospeed(&opts
, B4800
);
348 cfsetispeed(&opts
, B9600
);
349 cfsetospeed(&opts
, B9600
);
352 cfsetispeed(&opts
, B19200
);
353 cfsetospeed(&opts
, B19200
);
356 cfsetispeed(&opts
, B38400
);
357 cfsetospeed(&opts
, B38400
);
361 cfsetispeed(&opts
, B57600
);
362 cfsetospeed(&opts
, B57600
);
367 cfsetispeed(&opts
, B115200
);
368 cfsetospeed(&opts
, B115200
);
370 # endif /* B115200 */
373 cfsetispeed(&opts
, B230400
);
374 cfsetospeed(&opts
, B230400
);
376 # endif /* B230400 */
378 _cupsLangPrintf(stderr
, _("WARNING: Unsupported baud rate %s!\n"),
382 #endif /* B19200 == 19200 */
384 else if (!strcasecmp(name
, "bits"))
387 * Set number of data bits...
393 opts
.c_cflag
&= ~CSIZE
;
395 opts
.c_cflag
|= PARENB
;
396 opts
.c_cflag
&= ~PARODD
;
399 opts
.c_cflag
&= ~CSIZE
;
401 opts
.c_cflag
&= ~PARENB
;
405 else if (!strcasecmp(name
, "parity"))
408 * Set parity checking...
411 if (!strcasecmp(value
, "even"))
413 opts
.c_cflag
|= PARENB
;
414 opts
.c_cflag
&= ~PARODD
;
416 else if (!strcasecmp(value
, "odd"))
418 opts
.c_cflag
|= PARENB
;
419 opts
.c_cflag
|= PARODD
;
421 else if (!strcasecmp(value
, "none"))
422 opts
.c_cflag
&= ~PARENB
;
423 else if (!strcasecmp(value
, "space"))
426 * Note: we only support space parity with 7 bits per character...
429 opts
.c_cflag
&= ~CSIZE
;
431 opts
.c_cflag
&= ~PARENB
;
433 else if (!strcasecmp(value
, "mark"))
436 * Note: we only support mark parity with 7 bits per character
440 opts
.c_cflag
&= ~CSIZE
;
442 opts
.c_cflag
&= ~PARENB
;
443 opts
.c_cflag
|= CSTOPB
;
446 else if (!strcasecmp(name
, "flow"))
449 * Set flow control...
452 if (!strcasecmp(value
, "none"))
454 opts
.c_iflag
&= ~(IXON
| IXOFF
);
455 opts
.c_cflag
&= ~CRTSCTS
;
457 else if (!strcasecmp(value
, "soft"))
459 opts
.c_iflag
|= IXON
| IXOFF
;
460 opts
.c_cflag
&= ~CRTSCTS
;
462 else if (!strcasecmp(value
, "hard") ||
463 !strcasecmp(value
, "rtscts"))
465 opts
.c_iflag
&= ~(IXON
| IXOFF
);
466 opts
.c_cflag
|= CRTSCTS
;
468 else if (!strcasecmp(value
, "dtrdsr"))
470 opts
.c_iflag
&= ~(IXON
| IXOFF
);
471 opts
.c_cflag
&= ~CRTSCTS
;
476 else if (!strcasecmp(name
, "stop"))
481 opts
.c_cflag
&= ~CSTOPB
;
485 opts
.c_cflag
|= CSTOPB
;
492 tcsetattr(device_fd
, TCSANOW
, &opts
);
493 fcntl(device_fd
, F_SETFL
, 0);
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...)
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
));
509 sigemptyset(&action
.sa_mask
);
510 action
.sa_handler
= SIG_IGN
;
511 sigaction(SIGTERM
, &action
, NULL
);
513 signal(SIGTERM
, SIG_IGN
);
514 #endif /* HAVE_SIGSET */
518 * Figure out the maximum file descriptor value to use with select()...
521 nfds
= (print_fd
> device_fd
? print_fd
: device_fd
) + 1;
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...
530 if (print_size
> sizeof(print_buffer
))
531 print_size
= sizeof(print_buffer
);
541 fputs("PAGE: 1 1\n", stderr
);
542 lseek(print_fd
, 0, SEEK_SET
);
546 * Now loop until we are out of data from print_fd...
549 for (print_bytes
= 0, print_ptr
= print_buffer
;;)
552 * Use select() to determine whether we have data to copy around...
557 FD_SET(print_fd
, &input
);
558 FD_SET(device_fd
, &input
);
559 FD_SET(CUPS_SC_FD
, &input
);
563 FD_SET(device_fd
, &output
);
565 if (select(nfds
, &input
, &output
, NULL
, NULL
) < 0)
566 continue; /* Ignore errors here */
569 * Check if we have a side-channel request ready...
572 if (FD_ISSET(CUPS_SC_FD
, &input
))
573 side_cb(print_fd
, device_fd
, 1);
576 * Check if we have back-channel data ready...
579 if (FD_ISSET(device_fd
, &input
))
581 if ((bc_bytes
= read(device_fd
, bc_buffer
, sizeof(bc_buffer
))) > 0)
584 "DEBUG: Received " CUPS_LLFMT
" bytes of back-channel data!\n",
585 CUPS_LLCAST bc_bytes
);
586 cupsBackChannelWrite(bc_buffer
, bc_bytes
, 1.0);
591 * Check if we have print data ready...
594 if (FD_ISSET(print_fd
, &input
))
596 if ((print_bytes
= read(print_fd
, print_buffer
, print_size
)) < 0)
599 * Read error - bail if we don't see EAGAIN or EINTR...
602 if (errno
!= EAGAIN
|| errno
!= EINTR
)
604 perror("ERROR: Unable to read print data");
606 tcsetattr(device_fd
, TCSADRAIN
, &origopts
);
613 return (CUPS_BACKEND_FAILED
);
618 else if (print_bytes
== 0)
621 * End of file, break out of the loop...
627 print_ptr
= print_buffer
;
631 * Check if the device is ready to receive data and we have data to
635 if (print_bytes
&& FD_ISSET(device_fd
, &output
))
640 * Check the port and sleep until DSR is set...
646 if (!ioctl(device_fd
, TIOCMGET
, &status
))
647 if (!(status
& TIOCM_DSR
))
650 * Wait for DSR to go high...
653 fputs("DEBUG: DSR is low; waiting for device...\n", stderr
);
658 * Poll every 100ms...
663 if (ioctl(device_fd
, TIOCMGET
, &status
))
666 while (!(status
& TIOCM_DSR
));
668 fputs("DEBUG: DSR is high; writing to device...\n", stderr
);
672 if ((bytes
= write(device_fd
, print_ptr
, print_bytes
)) < 0)
675 * Write error - bail if we don't see an error we can retry...
678 if (errno
!= EAGAIN
&& errno
!= EINTR
&& errno
!= ENOTTY
)
680 perror("ERROR: Unable to write print data");
682 tcsetattr(device_fd
, TCSADRAIN
, &origopts
);
689 return (CUPS_BACKEND_FAILED
);
694 fprintf(stderr
, "DEBUG: Wrote %d bytes...\n", (int)bytes
);
696 print_bytes
-= bytes
;
698 total_bytes
+= bytes
;
705 * Close the serial port and input file and return...
708 tcsetattr(device_fd
, TCSADRAIN
, &origopts
);
715 return (total_bytes
< 0 ? CUPS_BACKEND_FAILED
: CUPS_BACKEND_OK
);
720 * 'list_devices()' - List all serial devices.
726 #if defined(__hpux) || defined(__sgi) || defined(__sun) || defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__DragonFly__)
727 static char *funky_hex
= "0123456789abcdefghijklmnopqrstuvwxyz";
728 /* Funky hex numbering used for some *
730 #endif /* __hpux || __sgi || __sun || __FreeBSD__ || __OpenBSD__ */
733 int i
, j
; /* Looping vars */
734 int fd
; /* File descriptor */
735 char device
[255]; /* Device filename */
737 struct serial_struct serinfo
; /* serial port info */
738 # endif /* TIOCGSERIAL */
741 for (i
= 0; i
< 100; i
++)
743 sprintf(device
, "/dev/ttyS%d", i
);
745 if ((fd
= open(device
, O_WRONLY
| O_NOCTTY
| O_NDELAY
)) >= 0)
749 * See if this port exists...
752 serinfo
.reserved_char
[0] = 0;
754 if (!ioctl(fd
, TIOCGSERIAL
, &serinfo
))
756 if (serinfo
.type
== PORT_UNKNOWN
)
766 # endif /* TIOCGSERIAL */
770 # if defined(_ARCH_PPC) || defined(powerpc) || defined(__powerpc)
771 printf("serial serial:%s?baud=230400 \"Unknown\" \"Serial Port #%d\"\n",
774 printf("serial serial:%s?baud=115200 \"Unknown\" \"Serial Port #%d\"\n",
776 # endif /* _ARCH_PPC || powerpc || __powerpc */
780 for (i
= 0; i
< 16; i
++)
782 sprintf(device
, "/dev/usb/ttyUSB%d", i
);
783 if ((fd
= open(device
, O_WRONLY
| O_NOCTTY
| O_NDELAY
)) >= 0)
786 printf("serial serial:%s?baud=230400 \"Unknown\" \"USB Serial Port #%d\"\n",
790 sprintf(device
, "/dev/ttyUSB%d", i
);
791 if ((fd
= open(device
, O_WRONLY
| O_NOCTTY
| O_NDELAY
)) >= 0)
794 printf("serial serial:%s?baud=230400 \"Unknown\" \"USB Serial Port #%d\"\n",
799 for (i
= 0; i
< 64; i
++)
801 for (j
= 0; j
< 8; j
++)
803 sprintf(device
, "/dev/ttyQ%02de%d", i
, j
);
804 if ((fd
= open(device
, O_WRONLY
| O_NOCTTY
| O_NDELAY
)) >= 0)
807 printf("serial serial:%s?baud=115200 \"Unknown\" "
808 "\"Equinox ESP %d Port #%d\"\n",
814 int i
, j
, n
; /* Looping vars */
815 char device
[255]; /* Device filename */
816 inventory_t
*inv
; /* Hardware inventory info */
820 * IRIX maintains a hardware inventory of most devices...
825 while ((inv
= getinvent()) != NULL
)
827 if (inv
->inv_class
== INV_SERIAL
)
830 * Some sort of serial port...
833 if (inv
->inv_type
== INV_CDSIO
|| inv
->inv_type
== INV_CDSIO_E
)
839 for (n
= 0; n
< 6; n
++)
840 printf("serial serial:/dev/ttyd%d?baud=38400 \"Unknown\" \"CDSIO Board %d Serial Port #%d\"\n",
841 n
+ 5 + 8 * inv
->inv_controller
, inv
->inv_controller
, n
+ 1);
843 else if (inv
->inv_type
== INV_EPC_SERIAL
)
846 * Everest serial port...
849 if (inv
->inv_unit
== 0)
852 i
= 41 + 4 * (int)inv
->inv_controller
;
854 for (n
= 0; n
< (int)inv
->inv_state
; n
++)
855 printf("serial serial:/dev/ttyd%d?baud=38400 \"Unknown\" \"EPC Serial Port %d, Ebus slot %d\"\n",
856 n
+ i
, n
+ 1, (int)inv
->inv_controller
);
858 else if (inv
->inv_state
> 1)
861 * Standard serial port under IRIX 6.4 and earlier...
864 for (n
= 0; n
< (int)inv
->inv_state
; n
++)
865 printf("serial serial:/dev/ttyd%d?baud=38400 \"Unknown\" \"Onboard Serial Port %d\"\n",
866 n
+ (int)inv
->inv_unit
+ 1, n
+ (int)inv
->inv_unit
+ 1);
871 * Standard serial port under IRIX 6.5 and beyond...
874 printf("serial serial:/dev/ttyd%d?baud=115200 \"Unknown\" \"Onboard Serial Port %d\"\n",
875 (int)inv
->inv_controller
, (int)inv
->inv_controller
);
883 * Central Data makes serial and parallel "servers" that can be
884 * connected in a number of ways. Look for ports...
887 for (i
= 0; i
< 10; i
++)
888 for (j
= 0; j
< 8; j
++)
889 for (n
= 0; n
< 32; n
++)
891 if (i
== 8) /* EtherLite */
892 sprintf(device
, "/dev/ttydn%d%c", j
, funky_hex
[n
]);
893 else if (i
== 9) /* PCI */
894 sprintf(device
, "/dev/ttydp%d%c", j
, funky_hex
[n
]);
896 sprintf(device
, "/dev/ttyd%d%d%c", i
, j
, funky_hex
[n
]);
898 if (access(device
, 0) == 0)
901 printf("serial serial:%s?baud=38400 \"Unknown\" \"Central Data EtherLite Serial Port, ID %d, port %d\"\n",
904 printf("serial serial:%s?baud=38400 \"Unknown\" \"Central Data PCI Serial Port, ID %d, port %d\"\n",
907 printf("serial serial:%s?baud=38400 \"Unknown\" \"Central Data SCSI Serial Port, logical bus %d, ID %d, port %d\"\n",
912 int i
, j
, n
; /* Looping vars */
913 char device
[255]; /* Device filename */
917 * Standard serial ports...
920 for (i
= 0; i
< 26; i
++)
922 sprintf(device
, "/dev/cua/%c", 'a' + i
);
923 if (access(device
, 0) == 0)
925 printf("serial serial:%s?baud=115200 \"Unknown\" \"Serial Port #%d\"\n",
928 printf("serial serial:%s?baud=38400 \"Unknown\" \"Serial Port #%d\"\n",
930 # endif /* B115200 */
934 * MAGMA serial ports...
937 for (i
= 0; i
< 40; i
++)
939 sprintf(device
, "/dev/term/%02d", i
);
940 if (access(device
, 0) == 0)
941 printf("serial serial:%s?baud=38400 \"Unknown\" \"MAGMA Serial Board #%d Port #%d\"\n",
942 device
, (i
/ 10) + 1, (i
% 10) + 1);
946 * Central Data serial ports...
949 for (i
= 0; i
< 9; i
++)
950 for (j
= 0; j
< 8; j
++)
951 for (n
= 0; n
< 32; n
++)
953 if (i
== 8) /* EtherLite */
954 sprintf(device
, "/dev/sts/ttyN%d%c", j
, funky_hex
[n
]);
956 sprintf(device
, "/dev/sts/tty%c%d%c", i
+ 'C', j
,
959 if (access(device
, 0) == 0)
962 printf("serial serial:%s?baud=38400 \"Unknown\" \"Central Data EtherLite Serial Port, ID %d, port %d\"\n",
965 printf("serial serial:%s?baud=38400 \"Unknown\" \"Central Data SCSI Serial Port, logical bus %d, ID %d, port %d\"\n",
969 #elif defined(__hpux)
970 int i
, j
, n
; /* Looping vars */
971 char device
[255]; /* Device filename */
975 * Standard serial ports...
978 for (i
= 0; i
< 10; i
++)
980 sprintf(device
, "/dev/tty%dp0", i
);
981 if (access(device
, 0) == 0)
982 printf("serial serial:%s?baud=38400 \"Unknown\" \"Serial Port #%d\"\n",
987 * Central Data serial ports...
990 for (i
= 0; i
< 9; i
++)
991 for (j
= 0; j
< 8; j
++)
992 for (n
= 0; n
< 32; n
++)
994 if (i
== 8) /* EtherLite */
995 sprintf(device
, "/dev/ttyN%d%c", j
, funky_hex
[n
]);
997 sprintf(device
, "/dev/tty%c%d%c", i
+ 'C', j
,
1000 if (access(device
, 0) == 0)
1003 printf("serial serial:%s?baud=38400 \"Unknown\" \"Central Data EtherLite Serial Port, ID %d, port %d\"\n",
1006 printf("serial serial:%s?baud=38400 \"Unknown\" \"Central Data SCSI Serial Port, logical bus %d, ID %d, port %d\"\n",
1010 #elif defined(__osf__)
1011 int i
; /* Looping var */
1012 char device
[255]; /* Device filename */
1016 * Standard serial ports...
1019 for (i
= 0; i
< 100; i
++)
1021 sprintf(device
, "/dev/tty%02d", i
);
1022 if (access(device
, 0) == 0)
1023 printf("serial serial:%s?baud=38400 \"Unknown\" \"Serial Port #%d\"\n",
1026 #elif defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__DragonFly__)
1027 int i
, j
; /* Looping vars */
1028 int fd
; /* File descriptor */
1029 char device
[255]; /* Device filename */
1036 for (i
= 0; i
< 32; i
++)
1038 sprintf(device
, "/dev/ttyd%c", funky_hex
[i
]);
1039 if ((fd
= open(device
, O_WRONLY
| O_NOCTTY
| O_NDELAY
)) >= 0)
1042 printf("serial serial:%s?baud=115200 \"Unknown\" \"Standard Serial Port #%d\"\n",
1051 for (i
= 0; i
< 16; i
++) /* Should be up to 65536 boards... */
1052 for (j
= 0; j
< 32; j
++)
1054 sprintf(device
, "/dev/ttyc%d%c", i
, funky_hex
[j
]);
1055 if ((fd
= open(device
, O_WRONLY
| O_NOCTTY
| O_NDELAY
)) >= 0)
1058 printf("serial serial:%s?baud=115200 \"Unknown\" \"Cyclades #%d Serial Port #%d\"\n",
1062 sprintf(device
, "/dev/ttyC%d%c", i
, funky_hex
[j
]);
1063 if ((fd
= open(device
, O_WRONLY
| O_NOCTTY
| O_NDELAY
)) >= 0)
1066 printf("serial serial:%s?baud=115200 \"Unknown\" \"Cyclades #%d Serial Port #%d\"\n",
1072 * Digiboard ports...
1075 for (i
= 0; i
< 16; i
++) /* Should be up to 65536 boards... */
1076 for (j
= 0; j
< 32; j
++)
1078 sprintf(device
, "/dev/ttyD%d%c", i
, funky_hex
[j
]);
1079 if ((fd
= open(device
, O_WRONLY
| O_NOCTTY
| O_NDELAY
)) >= 0)
1082 printf("serial serial:%s?baud=115200 \"Unknown\" \"Digiboard #%d Serial Port #%d\"\n",
1091 for (i
= 0; i
< 32; i
++)
1093 sprintf(device
, "/dev/ttyE%c", funky_hex
[i
]);
1094 if ((fd
= open(device
, O_WRONLY
| O_NOCTTY
| O_NDELAY
)) >= 0)
1097 printf("serial serial:%s?baud=115200 \"Unknown\" \"Stallion Serial Port #%d\"\n",
1106 for (i
= 0; i
< 128; i
++)
1108 sprintf(device
, "/dev/ttyA%d", i
+ 1);
1109 if ((fd
= open(device
, O_WRONLY
| O_NOCTTY
| O_NDELAY
)) >= 0)
1112 printf("serial serial:%s?baud=115200 \"Unknown\" \"SX Serial Port #%d\"\n",
1116 #elif defined(__NetBSD__)
1117 int i
, j
; /* Looping vars */
1118 int fd
; /* File descriptor */
1119 char device
[255]; /* Device filename */
1123 * Standard serial ports...
1126 for (i
= 0; i
< 4; i
++)
1128 sprintf(device
, "/dev/tty%02d", i
);
1129 if ((fd
= open(device
, O_WRONLY
| O_NOCTTY
| O_NDELAY
)) >= 0)
1132 printf("serial serial:%s?baud=115200 \"Unknown\" \"Serial Port #%d\"\n",
1138 * Cyclades-Z ports...
1141 for (i
= 0; i
< 16; i
++) /* Should be up to 65536 boards... */
1142 for (j
= 0; j
< 64; j
++)
1144 sprintf(device
, "/dev/ttyCZ%02d%02d", i
, j
);
1145 if ((fd
= open(device
, O_WRONLY
| O_NOCTTY
| O_NDELAY
)) >= 0)
1148 printf("serial serial:%s?baud=115200 \"Unknown\" \"Cyclades #%d Serial Prt #%d\"\n",
1152 #elif defined(__APPLE__)
1154 * Standard serial ports on MacOS X...
1157 kern_return_t kernResult
;
1158 mach_port_t masterPort
;
1159 io_iterator_t serialPortIterator
;
1160 CFMutableDictionaryRef classesToMatch
;
1161 io_object_t serialService
;
1164 kernResult
= IOMasterPort(MACH_PORT_NULL
, &masterPort
);
1165 if (KERN_SUCCESS
!= kernResult
)
1169 * Serial devices are instances of class IOSerialBSDClient.
1172 classesToMatch
= IOServiceMatching(kIOSerialBSDServiceValue
);
1173 if (classesToMatch
!= NULL
)
1175 CFDictionarySetValue(classesToMatch
, CFSTR(kIOSerialBSDTypeKey
),
1176 CFSTR(kIOSerialBSDRS232Type
));
1178 kernResult
= IOServiceGetMatchingServices(masterPort
, classesToMatch
,
1179 &serialPortIterator
);
1180 if (kernResult
== KERN_SUCCESS
)
1182 while ((serialService
= IOIteratorNext(serialPortIterator
)))
1184 CFTypeRef serialNameAsCFString
;
1185 CFTypeRef bsdPathAsCFString
;
1186 char serialName
[128];
1191 serialNameAsCFString
=
1192 IORegistryEntryCreateCFProperty(serialService
,
1193 CFSTR(kIOTTYDeviceKey
),
1194 kCFAllocatorDefault
, 0);
1195 if (serialNameAsCFString
)
1197 result
= CFStringGetCString(serialNameAsCFString
, serialName
,
1199 kCFStringEncodingASCII
);
1200 CFRelease(serialNameAsCFString
);
1205 IORegistryEntryCreateCFProperty(serialService
,
1206 CFSTR(kIOCalloutDeviceKey
),
1207 kCFAllocatorDefault
, 0);
1208 if (bsdPathAsCFString
)
1210 result
= CFStringGetCString(bsdPathAsCFString
, bsdPath
,
1212 kCFStringEncodingASCII
);
1213 CFRelease(bsdPathAsCFString
);
1216 printf("serial serial:%s?baud=115200 \"Unknown\" \"%s\"\n",
1217 bsdPath
, serialName
);
1222 IOObjectRelease(serialService
);
1226 * Release the iterator.
1229 IOObjectRelease(serialPortIterator
);
1237 * 'side_cb()' - Handle side-channel requests...
1241 side_cb(int print_fd
, /* I - Print file */
1242 int device_fd
, /* I - Device file */
1243 int use_bc
) /* I - Using back-channel? */
1245 cups_sc_command_t command
; /* Request command */
1246 cups_sc_status_t status
; /* Request/response status */
1247 char data
[2048]; /* Request/response data */
1248 int datalen
; /* Request/response data size */
1251 datalen
= sizeof(data
);
1253 if (cupsSideChannelRead(&command
, &status
, data
, &datalen
, 1.0))
1255 _cupsLangPuts(stderr
,
1256 _("WARNING: Failed to read side-channel request!\n"));
1262 case CUPS_SC_CMD_DRAIN_OUTPUT
:
1263 if (backendDrainOutput(print_fd
, device_fd
))
1264 status
= CUPS_SC_STATUS_IO_ERROR
;
1265 else if (tcdrain(device_fd
))
1266 status
= CUPS_SC_STATUS_IO_ERROR
;
1268 status
= CUPS_SC_STATUS_OK
;
1273 case CUPS_SC_CMD_GET_BIDI
:
1279 status
= CUPS_SC_STATUS_NOT_IMPLEMENTED
;
1284 cupsSideChannelWrite(command
, status
, data
, datalen
, 1.0);
1289 * End of "$Id: serial.c 6911 2007-09-04 20:35:08Z mike $".