00001 /* 00002 * IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING. By 00003 * downloading, copying, installing or using the software you agree to 00004 * this license. If you do not agree to this license, do not download, 00005 * install, copy or use the software. 00006 * 00007 * Intel Open Source License 00008 * 00009 * Copyright (c) 2006 Intel Corporation. All rights reserved. 00010 * 00011 * Redistribution and use in source and binary forms, with or without 00012 * modification, are permitted provided that the following conditions are 00013 * met: 00014 * 00015 * Redistributions of source code must retain the above copyright 00016 * notice, this list of conditions and the following disclaimer. 00017 * 00018 * Redistributions in binary form must reproduce the above copyright 00019 * notice, this list of conditions and the following disclaimer in the 00020 * documentation and/or other materials provided with the distribution. 00021 * 00022 * Neither the name of the Intel Corporation nor the names of its 00023 * contributors may be used to endorse or promote products derived from 00024 * this software without specific prior written permission. 00025 * 00026 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 00027 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 00028 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 00029 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE INTEL OR 00030 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 00031 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 00032 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 00033 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 00034 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 00035 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 00036 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 00037 */ 00038 00039 #include <time.h> 00040 #include <oasys/debug/Log.h> 00041 00042 #include "BundleTimestamp.h" 00043 00044 00045 namespace dtn { 00046 00047 u_int32_t 00048 BundleTimestamp::get_current_time() 00049 { 00050 struct timeval now; 00051 ::gettimeofday(&now, 0); 00052 00053 ASSERT((u_int)now.tv_sec > TIMEVAL_CONVERSION); 00054 return now.tv_sec - TIMEVAL_CONVERSION; 00055 } 00056 00057 bool 00058 BundleTimestamp::check_local_clock() 00059 { 00060 struct timeval now; 00061 ::gettimeofday(&now, 0); 00062 00063 if ((u_int)now.tv_sec < TIMEVAL_CONVERSION) { 00064 log_err("/dtn/bundle/timestamp", "invalid local clock setting: " 00065 "current time '%s' is before Jan 1, 2000", 00066 ctime((const time_t*)&now.tv_sec)); 00067 return false; 00068 } 00069 00070 return true; 00071 } 00072 00073 00074 00075 } // namespace dtn