File: command2esp.c

package info (click to toggle)
c2esp 27-2
  • links: PTS, VCS
  • area: main
  • in suites: jessie, jessie-kfreebsd
  • size: 688 kB
  • ctags: 204
  • sloc: ansic: 1,965; sh: 1,000; makefile: 33; python: 8
file content (247 lines) | stat: -rw-r--r-- 6,558 bytes parent folder | download | duplicates (4)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
/*
 *
 *   Kodak ESP command filter for CUPS.
 *
 *   Copyright 2011 - Sept 2012 by P.Newall.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * Contents:
 *
 *   main() - Main entry and command processing.
 */

/* filter must implement the following:
Exchange for test page
Maintenance=002?
0096, OK, Maintenance Started;

Exchange for alignment
Maintenance=006?
0096, OK, Maintenance Started;

Exchange for clean
Maintenance=003?
0096, OK, Maintenance Started;
*/

/*#define DEBUGFILES 0  DEBUGFILES 1 creates files in /tmp to help debug */
/*#define TESTING 0  TESTING 1 suppresses output to the printer to help debug */

/*
 * Include necessary headers...
 */

#include "../config.h"
#include <cups/cups.h>
#include <cups/sidechannel.h> //FlushBackChannel, and the side channel functions and constants
#include "string.h"
#include "strings.h" // strncasecmp
#include <ctype.h> 
#include <fcntl.h> //files
#include <time.h> //time functions used for debugging
#include <sys/stat.h> //chmod

#if HAVE_CUPSFILTERS_DRIVER_H == 1
#include <cupsfilters/driver.h> //has the dither functions
#else
#include <cups/driver.h> //has the dither functions
#endif

#include "c2espcommon.h" //the common library

time_t		StartTime;
//FILE 		*LogFile = NULL; //file descriptor for log file
FILE 		*PrintFile = NULL; //file descriptor for debug file
//char 		BackBuf[32000]; //for the back channel replies from the printer
//int 		BackBufLen=sizeof(BackBuf)-1,
int		DoBack=1;			/* Enables the back channel comms */ 

/*
time_t KeepAwake(time_t Start, int Interval)
{
// Keeps the printer connection awake by sending DeviceStatus query not sooner than the specified interval in seconds
// Usage:   Start = KeepAwake(Start, Interval);
	if(time(NULL) - Start > Interval)
	{
		DoLog("Keeping printer awake by DeviceStatus?\n",0,0);
		GoodExchange(PrintFile, "DeviceStatus?", "0101,DeviceStatus.ImageDevice", DoBack,   1,  1.0);
		return (time(NULL));
	}
	else return (Start);
}
*/

void
KeepAwakeFor(int Duration, int Interval)
{
/* Keep the printer connection awake for Duration seconds, doing KeepAwake every Interval seconds */
	time_t 	KeepAwakeStart;
	int	i;

	KeepAwakeStart = time(NULL);
	for (i=0;i<Duration;++i)
	{
		sleep(1);
		KeepAwakeStart = KeepAwake(KeepAwakeStart, Interval, PrintFile); 
	}
}

/*
 * 'main()' - Main entry and processing of driver.
 */

int						/* O - Exit status */
main(int  argc,					/* I - Number of command-line arguments */
     char *argv[])				/* I - Command-line arguments */
{
  FILE		*fp;				/* Command file */
  char		line[1024],			/* Line from file */
		*lineptr;			/* Pointer into line */
	int StatusLength;

    	fputs("INFO: command2esp running\n", stderr);
	StartTime = time(NULL);

#if DEBUGFILES == 1
	SetupLogging("c2espCommand",DoBack,"/tmp/KodakCommandLog");
#else
	SetupLogging("c2espCommand",DoBack,"");
#endif

 /*
  * Check for valid arguments...
  */

  if (argc < 6 || argc > 7)
  {
   /*
    * We don't have the correct number of arguments; write an error message
    * and return.
    */

    fputs("ERROR: command2esp job-id user title copies options [file]\n", stderr);
    return (1);
  }


 /*
  * Open the command file as needed...
  */

  if (argc == 7)
  {
    if ((fp = fopen(argv[6], "r")) == NULL)
    {
      perror("ERROR: Unable to open command file - ");
      return (1);
    }
  }
  else
    fp = stdin;

 /*
  * Read the commands from the file and send the appropriate commands...
  */

  while (fgets(line, sizeof(line), fp) != NULL)
  {
   /*
    * Drop trailing newline...
    */

    lineptr = line + strlen(line) - 1;
    if (*lineptr == '\n')
      *lineptr = '\0';

   /*
    * Skip leading whitespace...
    */

    for (lineptr = line; isspace(*lineptr); lineptr ++);  /* isspace is in ctype.h */
   /*
    * Skip comments and blank lines...
    */

    if (*lineptr == '#' || !*lineptr)
      continue;

   /*
    * Parse the command...
    */

    if (strncasecmp(lineptr, "Clean", 5) == 0)
    {
     /* Clean heads...*/
    	fputs("INFO: command2esp Clean print head\n", stderr);
	DoLog("Clean print head\n",0,0);
	GoodExchange(PrintFile, "Maintenance=003?", "0096, OK, Maintenance Started;", DoBack, 1,  1.0);
	KeepAwakeFor(80,10);      
    }

    else if (strncasecmp(lineptr, "PrintAlignmentPage", 18) == 0)
    {
     /* Print alignment page...*/

    	fputs("INFO: command2esp Print alignment page\n", stderr);
	DoLog("Print alignment page\n",0,0);
	GoodExchange(PrintFile, "Maintenance=006?", "0096, OK, Maintenance Started;", DoBack,   1,  1.0);
	KeepAwakeFor(80,10);
    } 

    else if (strncasecmp(lineptr, "PrintSelfTestPage", 17) == 0)
    {
    	fputs("INFO: command2esp Print Self Test Page\n", stderr);
	DoLog("Print Self Test Page\n",0,0);
	GoodExchange(PrintFile, "Maintenance=002?", "0096, OK, Maintenance Started;", DoBack,   1,  1.0);
	// Hero 9.1 does not need to be kept awake. ESP 5250 does?
	//sleep(80); //did not work for ESP 5250
	KeepAwakeFor(80,15);
    }

    else if (strncasecmp(lineptr, "ReportLevels", 12) == 0)
    {
     /* Report ink levels... */

	StatusLength=abs(GoodExchange(PrintFile, "DeviceStatus?", "0101,DeviceStatus.ImageDevice", DoBack,  1,  1.0));
	DoLog("StatusLength=%d\n",StatusLength,0);
/* you can get unexpected reply if there is an ink low warning then GoodExchange will be -ve */
/* aquire ink levels here? DeviceStatus.Printer.InkLevelPercent.Colour=nn%&DeviceStatus.Printer.InkLevelPercent.Black=nn% */
	if(StatusLength>0)
	{
/*		GoodExchange will have found the marker levels and set the globals BlackPercent and ColourPercent
*/
 		MarkerSetup();
		// set the levels displayed in system-config-printer
   		fprintf(stderr,"ATTR: marker-levels=%d,%d\n",BlackPercent,ColourPercent); 
	}
    }

    else if (strncasecmp(lineptr, "SetAlignment", 12) == 0)
    {
     /*
      * Set head alignment... may not be possible for ESP printers - do nothing
      */
    }

    else
      fprintf(stderr, "ERROR: Invalid printer command \"%s\"!\n", lineptr);
  }

 /*
  * Close the files and return...
  */
  if (fp != stdin) fclose(fp);
  CloseLogging();
  return (0);
}