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