text-garb.c 3.63 KB
Newer Older
Linus Tolke Y's avatar
Linus Tolke Y committed
1
/*
Per Cederqvist's avatar
Per Cederqvist committed
2
 * $Id: text-garb.c,v 0.6 1992/02/26 18:44:57 ceder Exp $
Linus Tolke Y's avatar
Linus Tolke Y committed
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
 * Copyright (C) 1991  Lysator Academic Computer Association.
 *
 * This file is part of the LysKOM server.
 * 
 * LysKOM 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 1, or (at your option) 
 * any later version.
 * 
 * LysKOM 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.
 * 
 * You should have received a copy of the GNU General Public License
 * along with LysKOM; see the file COPYING.  If not, write to
 * Lysator, c/o ISY, Linkoping University, S-581 83 Linkoping, SWEDEN,
 * or the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, 
 * MA 02139, USA.
 *
 * Please mail bug reports to bug-lyskom@lysator.liu.se. 
 */
Per Cederqvist's avatar
Per Cederqvist committed
25
26
27
28
29
30
/*
 * This file contains the functions that deletes old texts.
 *
 * Author: Per Cederqvist.
 */

Per Cederqvist's avatar
Per Cederqvist committed
31
static char *rcsid = "$Id: text-garb.c,v 0.6 1992/02/26 18:44:57 ceder Exp $";
Per Cederqvist's avatar
Per Cederqvist committed
32
33


Per Cederqvist's avatar
Per Cederqvist committed
34
35
36
37
38
39
#include <time.h>
#include <kom-types.h>
#include "cache.h"
#include "log.h"
#include "internal-services.h"
#include "lyskomd.h"
Per Cederqvist's avatar
Per Cederqvist committed
40
#include "text-garb.h"
Per Cederqvist's avatar
Per Cederqvist committed
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
#include <debug.h>


/*
 * Delete old texts.
 *
 * Return value is TRUE if there is nothing more to do right now,
 * FALSE if this function should be called again as soon as the
 * server has some time over.
 */

Bool
garb_text(void)
{
    static Text_no last_checked = 0;
    static time_t  last_start = NO_TIME;
    static long	   deleted_texts = 0;
    BUGDECL;

    Text_stat	  *text_s;
    Misc_info 	  *misc;
    u_short 	   nmisc;
    double	   age;			/* How many seconds is this text? */
    double	   limit = 24 * 3600;
                    
    if ( last_checked == 0 )
    {
	if ( last_start != NO_TIME
	    && difftime(time(NULL), last_start) < GARB_INTERVAL * 60 )
	{
	    return TRUE;
	}
	
	log("MSG: garb started.\n");
	time( &last_start );
    }
    
    last_checked = traverse_text( last_checked );

    if ( last_checked == 0 )
    {
	log("MSG: garb ready. %lu texts deleted.\n", (u_long)deleted_texts);
83
	deleted_texts = 0;
Per Cederqvist's avatar
Per Cederqvist committed
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
	return FALSE;
    }
    
    if ( (text_s = cached_get_text_stat( last_checked )) == NULL )
    {
	log("ERROR: garb_text(): Can't get text-stat.\n");
	return FALSE;
    }

    age = difftime( time(NULL), text_s->creation_time );
    
    if ( text_s->no_of_marks > 0 || age < 24 * 3600 )
    {
	return FALSE;
    }

    for (nmisc = text_s->no_of_misc, misc = text_s->misc_items;
	 nmisc > 0;
	 --nmisc, ++misc )
    {
	switch ( misc->type )
	{
	case recpt:
107
108
109
110
111
112
113
114
	    if ( cached_conf_exists( misc->datum.recipient ) )
	    {
		limit = (24 * 3600 *
			 cached_get_garb_nice( misc->datum.recipient ));
		if ( age < limit )	
		    return FALSE;
	    }

Per Cederqvist's avatar
Per Cederqvist committed
115
116
117
	    break;

	case cc_recpt:
118
119
120
121
122
123
124
	    if ( cached_conf_exists( misc->datum.cc_recipient ))
	    {
		limit = ( 24 * 3600
			 * cached_get_garb_nice( misc->datum.cc_recipient ));
		if ( age < limit )
		    return FALSE;
	    }
Per Cederqvist's avatar
Per Cederqvist committed
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

	    break;

	case comm_to:
	case comm_in:
	case footn_to:
	case footn_in:
	    limit = 24 * 3600;
	    break;
	    
	case loc_no:
	case rec_time:
	case sent_by:
	    break;
	    
	case sent_at:
	    if ( difftime ( time(NULL), misc->datum.sent_at )
		< limit )
	    {
		return FALSE;
	    }
	    		
	    break;

#ifndef COMPILE_CHECKS
	default:
	    restart_kom("garb_text(): Illegal misc-item.\n");
#endif
	}
    }

    VBUG(("garb_text: deleting %d\n", last_checked));
    do_delete_text ( last_checked, text_s );
    deleted_texts++;
    return FALSE;
}