66 lines
		
	
	
		
			1.1 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			66 lines
		
	
	
		
			1.1 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/* 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 Denys Vlasenko.
 | 
						|
 *
 | 
						|
 * Licensed under GPLv2, see file LICENSE in this tarball for details.
 | 
						|
 */
 | 
						|
 | 
						|
#include "libbb.h"
 | 
						|
#include "tcpudp_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(char *ip, unsigned maxconn, struct hcc **hccpp)
 | 
						|
{
 | 
						|
	unsigned i;
 | 
						|
	unsigned conn = 1;
 | 
						|
	int freepos = -1;
 | 
						|
 | 
						|
	for (i = 0; i < cclen; ++i) {
 | 
						|
		if (!cc[i].ip) {
 | 
						|
			freepos = i;
 | 
						|
			continue;
 | 
						|
		}
 | 
						|
		if (strcmp(cc[i].ip, ip) == 0) {
 | 
						|
			conn++;
 | 
						|
			continue;
 | 
						|
		}
 | 
						|
	}
 | 
						|
	if (freepos == -1) return 0;
 | 
						|
	if (conn <= maxconn) {
 | 
						|
		cc[freepos].ip = ip;
 | 
						|
		*hccpp = &cc[freepos];
 | 
						|
	}
 | 
						|
	return conn;
 | 
						|
}
 | 
						|
 | 
						|
void ipsvd_perhost_remove(int pid)
 | 
						|
{
 | 
						|
	unsigned i;
 | 
						|
	for (i = 0; i < cclen; ++i) {
 | 
						|
		if (cc[i].pid == pid) {
 | 
						|
			free(cc[i].ip);
 | 
						|
			cc[i].ip = NULL;
 | 
						|
			cc[i].pid = 0;
 | 
						|
			return;
 | 
						|
		}
 | 
						|
	}
 | 
						|
}
 | 
						|
 | 
						|
//void ipsvd_perhost_free(void)
 | 
						|
//{
 | 
						|
//	free(cc);
 | 
						|
//}
 |