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git.ipfire.org Git - thirdparty/cups.git/blob - scheduler/quotas.c
4 * Quota routines for the Common UNIX Printing System (CUPS).
6 * Copyright 1997-2005 by Easy Software Products.
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.txt" which should have been included with this file. If this
12 * file is missing or damaged please contact Easy Software Products
15 * Attn: CUPS Licensing Information
16 * Easy Software Products
17 * 44141 Airport View Drive, Suite 204
18 * Hollywood, Maryland 20636 USA
20 * Voice: (301) 373-9600
21 * EMail: cups-info@cups.org
22 * WWW: http://www.cups.org
26 * cupsdAddQuota() - Add a quota record for this printer and user.
27 * cupsdFindQuota() - Find a quota record.
28 * cupsdFreeQuotas() - Free quotas for a printer.
29 * cupsdUpdateQuota() - Update quota data for the specified printer and user.
30 * compare() - Compare two quota records...
34 * Include necessary headers...
44 static int compare(const cupsd_quota_t
*q1
, const cupsd_quota_t
*q2
);
48 * 'cupsdAddQuota()' - Add a quota record for this printer and user.
51 cupsd_quota_t
* /* O - Quota data */
52 cupsdAddQuota(cupsd_printer_t
*p
, /* I - Printer */
53 const char *username
)/* I - User */
55 cupsd_quota_t
*q
; /* New quota data */
61 if (p
->num_quotas
== 0)
62 q
= malloc(sizeof(cupsd_quota_t
));
64 q
= realloc(p
->quotas
, sizeof(cupsd_quota_t
) * (p
->num_quotas
+ 1));
73 memset(q
, 0, sizeof(cupsd_quota_t
));
74 strlcpy(q
->username
, username
, sizeof(q
->username
));
76 if (p
->num_quotas
> 1)
77 qsort(p
->quotas
, p
->num_quotas
, sizeof(cupsd_quota_t
),
78 (int (*)(const void *, const void *))compare
);
80 return (cupsdFindQuota(p
, username
));
85 * 'cupsdFindQuota()' - Find a quota record.
88 cupsd_quota_t
* /* O - Quota data */
90 cupsd_printer_t
*p
, /* I - Printer */
91 const char *username
) /* I - User */
93 cupsd_quota_t
*q
, /* Quota data pointer */
94 match
; /* Search data */
100 if (p
->num_quotas
== 0)
104 strlcpy(match
.username
, username
, sizeof(match
.username
));
106 q
= bsearch(&match
, p
->quotas
, p
->num_quotas
, sizeof(cupsd_quota_t
),
107 (int(*)(const void *, const void *))compare
);
113 return (cupsdAddQuota(p
, username
));
118 * 'cupsdFreeQuotas()' - Free quotas for a printer.
122 cupsdFreeQuotas(cupsd_printer_t
*p
) /* I - Printer */
136 * 'cupsdUpdateQuota()' - Update quota data for the specified printer and user.
139 cupsd_quota_t
* /* O - Quota data */
141 cupsd_printer_t
*p
, /* I - Printer */
142 const char *username
, /* I - User */
143 int pages
, /* I - Number of pages */
144 int k
) /* I - Number of kilobytes */
146 cupsd_quota_t
*q
; /* Quota data */
147 cupsd_job_t
*job
; /* Current job */
148 time_t curtime
; /* Current time */
149 ipp_attribute_t
*attr
; /* Job attribute */
155 if (!p
->k_limit
&& !p
->page_limit
)
158 if ((q
= cupsdFindQuota(p
, username
)) == NULL
)
161 cupsdLogMessage(CUPSD_LOG_DEBUG
,
162 "cupsdUpdateQuota: p=%s username=%s pages=%d k=%d",
163 p
->name
, username
, pages
, k
);
165 curtime
= time(NULL
);
167 if (curtime
< q
->next_update
)
169 q
->page_count
+= pages
;
176 curtime
-= p
->quota_period
;
184 for (job
= (cupsd_job_t
*)cupsArrayFirst(Jobs
);
186 job
= (cupsd_job_t
*)cupsArrayNext(Jobs
))
188 if (strcasecmp(job
->dest
, p
->name
) != 0 ||
189 strcasecmp(job
->username
, q
->username
) != 0)
192 if ((attr
= ippFindAttribute(job
->attrs
, "time-at-completion",
193 IPP_TAG_INTEGER
)) == NULL
)
194 if ((attr
= ippFindAttribute(job
->attrs
, "time-at-processing",
195 IPP_TAG_INTEGER
)) == NULL
)
196 attr
= ippFindAttribute(job
->attrs
, "time-at-creation",
202 if (attr
->values
[0].integer
< curtime
)
205 cupsdCancelJob(job
->id
, 1);
210 if (q
->next_update
== 0)
211 q
->next_update
= attr
->values
[0].integer
+ p
->quota_period
;
213 if ((attr
= ippFindAttribute(job
->attrs
, "job-media-sheets-completed",
214 IPP_TAG_INTEGER
)) != NULL
)
215 q
->page_count
+= attr
->values
[0].integer
;
217 if ((attr
= ippFindAttribute(job
->attrs
, "job-k-octets",
218 IPP_TAG_INTEGER
)) != NULL
)
219 q
->k_count
+= attr
->values
[0].integer
;
227 * 'compare()' - Compare two quota records...
230 static int /* O - Result of comparison */
231 compare(const cupsd_quota_t
*q1
, /* I - First quota record */
232 const cupsd_quota_t
*q2
) /* I - Second quota record */
234 return (strcasecmp(q1
->username
, q2
->username
));