aboutsummaryrefslogtreecommitdiff
path: root/ipsvd/ipsvd_perhost.c
blob: 1c5c12af59c83fbbb6eec95e20be2da6f2d22b52 (plain)
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
/* Based on ipsvd utilities written by Gerrit Pape <pape@smarden.org>
 * which are released into public domain by the author.
 * Homepage: http://smarden.sunsite.dk/ipsvd/
 *
 * Copyright (C) 2007 Denis Vlasenko.
 *
 * Licensed under GPLv2, see file LICENSE in this tarball for details.
 */

#include "busybox.h"
#include "ipsvd_perhost.h"

static struct hcc *cc;
static unsigned cclen;

/* to be optimized */

void ipsvd_perhost_init(unsigned c)
{
//	free(cc);
	cc = xzalloc(c * sizeof(*cc));
	cclen = c;
}

unsigned ipsvd_perhost_add(const char *ip, unsigned maxconn, struct hcc **hccpp)
{
	unsigned i;
	unsigned conn = 1;
	int p = -1;

	for (i = 0; i < cclen; ++i) {
		if (cc[i].ip[0] == 0) {
			if (p == -1) p = i;
    			continue;
		}
		if (strncmp(cc[i].ip, ip, sizeof(cc[i].ip)) == 0) {
			conn++;
			continue;
		}
	}
	if (p == -1) return 0;
	if (conn <= maxconn) {
		strcpy(cc[p].ip, ip);
		*hccpp = &cc[p];
	}
	return conn;
}

void ipsvd_perhost_remove(int pid)
{
	unsigned i;
	for (i = 0; i < cclen; ++i) {
		if (cc[i].pid == pid) {
			cc[i].ip[0] = 0;
			cc[i].pid = 0;
			return;
		}
	}
}

//void ipsvd_perhost_free(void)
//{
//	free(cc);
//}