BundleTimestamp.cc

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00001 /*
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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
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00018  *   Redistributions in binary form must reproduce the above copyright
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00024  *   this software without specific prior written permission.
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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

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