Contents of /tags/mkinitrd-6_4_0/busybox/networking/tcpudp_perhost.c
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Fri May 27 18:20:23 2011 UTC (13 years, 4 months ago) by niro
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Fri May 27 18:20:23 2011 UTC (13 years, 4 months ago) by niro
File MIME type: text/plain
File size: 1147 byte(s)
tagged 'mkinitrd-6_4_0'
1 | /* Based on ipsvd utilities written by Gerrit Pape <pape@smarden.org> |
2 | * which are released into public domain by the author. |
3 | * Homepage: http://smarden.sunsite.dk/ipsvd/ |
4 | * |
5 | * Copyright (C) 2007 Denys Vlasenko. |
6 | * |
7 | * Licensed under GPLv2, see file LICENSE in this tarball for details. |
8 | */ |
9 | |
10 | #include "libbb.h" |
11 | #include "tcpudp_perhost.h" |
12 | |
13 | static struct hcc *cc; |
14 | static unsigned cclen; |
15 | |
16 | /* to be optimized */ |
17 | |
18 | void ipsvd_perhost_init(unsigned c) |
19 | { |
20 | // free(cc); |
21 | cc = xzalloc(c * sizeof(*cc)); |
22 | cclen = c; |
23 | } |
24 | |
25 | unsigned ipsvd_perhost_add(char *ip, unsigned maxconn, struct hcc **hccpp) |
26 | { |
27 | unsigned i; |
28 | unsigned conn = 1; |
29 | int freepos = -1; |
30 | |
31 | for (i = 0; i < cclen; ++i) { |
32 | if (!cc[i].ip) { |
33 | freepos = i; |
34 | continue; |
35 | } |
36 | if (strcmp(cc[i].ip, ip) == 0) { |
37 | conn++; |
38 | continue; |
39 | } |
40 | } |
41 | if (freepos == -1) return 0; |
42 | if (conn <= maxconn) { |
43 | cc[freepos].ip = ip; |
44 | *hccpp = &cc[freepos]; |
45 | } |
46 | return conn; |
47 | } |
48 | |
49 | void ipsvd_perhost_remove(int pid) |
50 | { |
51 | unsigned i; |
52 | for (i = 0; i < cclen; ++i) { |
53 | if (cc[i].pid == pid) { |
54 | free(cc[i].ip); |
55 | cc[i].ip = NULL; |
56 | cc[i].pid = 0; |
57 | return; |
58 | } |
59 | } |
60 | } |
61 | |
62 | //void ipsvd_perhost_free(void) |
63 | //{ |
64 | // free(cc); |
65 | //} |