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/*
* "$Id: parallel.c,v 1.7 1999/10/28 20:32:41 mike Exp $"
*
* Parallel port backend for the Common UNIX Printing System (CUPS).
*
* Copyright 1997-1999 by Easy Software Products, all rights reserved.
*
* These coded instructions, statements, and computer programs are the
* property of Easy Software Products and are protected by Federal
* copyright law. Distribution and use rights are outlined in the file
* "LICENSE" which should have been included with this file. If this
* file is missing or damaged please contact Easy Software Products
* at:
*
* Attn: CUPS Licensing Information
* Easy Software Products
* 44141 Airport View Drive, Suite 204
* Hollywood, Maryland 20636-3111 USA
*
* Voice: (301) 373-9603
* EMail: cups-info@cups.org
* WWW: http://www.cups.org
*
* Contents:
*
* main() - Send a file to the specified parallel port.
*/
/*
* Include necessary headers.
*/
#include <cups/cups.h>
#include <stdio.h>
#include <stdlib.h>
#include <cups/string.h>
#if defined(WIN32) || defined(__EMX__)
# include <io.h>
#else
# include <unistd.h>
# include <fcntl.h>
# include <termios.h>
#endif /* WIN32 || __EMX__ */
/*
* 'main()' - Send a file to the specified parallel port.
*
* Usage:
*
* printer-uri job-id user title copies options [file]
*/
int /* O - Exit status */
main(int argc, /* I - Number of command-line arguments (6 or 7) */
char *argv[]) /* I - Command-line arguments */
{
char method[255], /* Method in URI */
hostname[1024], /* Hostname */
username[255], /* Username info (not used) */
resource[1024], /* Resource info (device and options) */
*options; /* Pointer to options */
int port; /* Port number (not used) */
FILE *fp; /* Print file */
int copies; /* Number of copies to print */
int fd; /* Parallel device */
int error; /* Error code (if any) */
size_t nbytes, /* Number of bytes written */
tbytes; /* Total number of bytes written */
char buffer[8192]; /* Output buffer */
struct termios opts; /* Parallel port options */
if (argc < 6 || argc > 7)
{
fputs("Usage: parallel job-id user title copies options [file]\n", stderr);
return (1);
}
/*
* If we have 7 arguments, print the file named on the command-line.
* Otherwise, send stdin instead...
*/
if (argc == 6)
{
fp = stdin;
copies = 1;
}
else
{
/*
* Try to open the print file...
*/
if ((fp = fopen(argv[6], "rb")) == NULL)
{
perror("ERROR: unable to open print file");
return (1);
}
copies = atoi(argv[4]);
}
/*
* Extract the device name and options from the URI...
*/
httpSeparate(argv[0], method, username, hostname, &port, resource);
/*
* See if there are any options...
*/
if ((options = strchr(resource, '?')) != NULL)
{
/*
* Yup, terminate the device name string and move to the first
* character of the options...
*/
*options++ = '\0';
}
/*
* Open the parallel port device...
*/
if ((fd = open(resource, O_WRONLY)) == -1)
{
perror("ERROR: Unable to open parallel port device file");
return (1);
}
/*
* Set any options provided...
*/
tcgetattr(fd, &opts);
opts.c_lflag &= ~(ICANON | ECHO | ISIG); /* Raw mode */
/**** No options supported yet ****/
tcsetattr(fd, TCSANOW, &opts);
/*
* Finally, send the print file...
*/
while (copies > 0)
{
copies --;
if (fp != stdin)
{
fputs("PAGE: 1 1\n", stderr);
rewind(fp);
}
tbytes = 0;
while ((nbytes = fread(buffer, 1, sizeof(buffer), fp)) > 0)
{
/*
* Write the print data to the printer...
*/
if (write(fd, buffer, nbytes) < nbytes)
{
perror("ERROR: Unable to send print file to printer");
break;
}
else
tbytes += nbytes;
if (argc > 6)
fprintf(stderr, "INFO: Sending print file, %u bytes...\n", tbytes);
}
}
/*
* Close the socket connection and input file and return...
*/
close(fd);
if (fp != stdin)
fclose(fp);
return (0);
}
/*
* End of "$Id: parallel.c,v 1.7 1999/10/28 20:32:41 mike Exp $".
*/
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