File: rate.c

package info (click to toggle)
libtlen 20041113-3
  • links: PTS
  • area: main
  • in suites: etch, etch-m68k, sarge
  • size: 832 kB
  • ctags: 1,514
  • sloc: ansic: 13,713; sh: 214; makefile: 156
file content (64 lines) | stat: -rw-r--r-- 1,376 bytes parent folder | download
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
/*
 * Ostatnia aktualizacja:
 *
 * - $Id: rate.c,v 1.3 2002/12/14 19:36:11 mati Exp $
 *
 */

#include "libtlen.h"

jlimit jlimit_new(int maxt, int maxp)
{
    pool p;
    jlimit r;

    p = pool_new();
    r = pmalloc(p,sizeof(_jlimit));
    r->key = NULL;
    r->start = r->points = 0;
    r->maxt = maxt;
    r->maxp = maxp;
    r->p = p;

    return r;
}

void jlimit_free(jlimit r)
{
    if(r != NULL)
    {
        if(r->key != NULL) free(r->key);
        pool_free(r->p);
    }
}

int jlimit_check(jlimit r, char *key, int points)
{
    int now = time(NULL);

    if(r == NULL) return 0;

    /* make sure we didn't go over the time frame or get a null/new key */
    if((now - r->start) > r->maxt || key == NULL || j_strcmp(key,r->key) != 0)
    { /* start a new key */
        free(r->key);
        if(key != NULL)
	  /* We use strdup instead of pstrdup since r->key needs to be free'd before 
	     and more often than the rest of the rlimit structure */
            r->key = strdup(key); 
        else
            r->key = NULL;
        r->start = now;
        r->points = 0;
    }

    r->points += points;

    /* if we're within the time frame and over the point limit */
    if(r->points > r->maxp && (now - r->start) < r->maxt)
    {
        return 1; /* we don't reset the rate here, so that it remains rated until the time runs out */
    }

    return 0;
}