freeswitch/libs/unimrcp/libs/apr-toolkit/src/apt_net.c

55 lines
1.6 KiB
C

/*
* Copyright 2008-2010 Arsen Chaloyan
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* $Id: apt_net.c 1474 2010-02-07 20:51:47Z achaloyan $
*/
#include <apr_network_io.h>
#include "apt_net.h"
/** Get the IP address (in numeric address string format) by hostname */
apt_bool_t apt_ip_get(char **addr, apr_pool_t *pool)
{
apr_sockaddr_t *sockaddr = NULL;
char *hostname = apr_palloc(pool,APRMAXHOSTLEN+1);
if(apr_gethostname(hostname,APRMAXHOSTLEN,pool) != APR_SUCCESS) {
return FALSE;
}
if(apr_sockaddr_info_get(&sockaddr,hostname,APR_INET,0,0,pool) != APR_SUCCESS) {
return FALSE;
}
if(apr_sockaddr_ip_get(addr,sockaddr) != APR_SUCCESS) {
return FALSE;
}
return TRUE;
}
/** Seconds from Jan 1 1900 to Jan 1 1970 */
#define NTP_TIME_OFFSET 2208988800UL
/** Get current NTP time */
void apt_ntp_time_get(apr_uint32_t *sec, apr_uint32_t *frac)
{
apr_uint32_t t;
apr_uint32_t usec;
apr_time_t now = apr_time_now();
*sec = (apr_uint32_t)apr_time_sec(now) + NTP_TIME_OFFSET;
usec = (apr_uint32_t) apr_time_usec(now);
t = (usec * 1825) >> 5;
*frac = ((usec << 12) + (usec << 8) - t);
}