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 13static struct hcc *cc; 14static unsigned cclen; 15 16/* to be optimized */ 17 18void ipsvd_perhost_init(unsigned c) 19{ 20// free(cc); 21 cc = xzalloc(c * sizeof(*cc)); 22 cclen = c; 23} 24 25unsigned 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 49void 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//} 66