00001 /* 00002 * Copyright 2006 Intel Corporation 00003 * 00004 * Licensed under the Apache License, Version 2.0 (the "License"); 00005 * you may not use this file except in compliance with the License. 00006 * You may obtain a copy of the License at 00007 * 00008 * http://www.apache.org/licenses/LICENSE-2.0 00009 * 00010 * Unless required by applicable law or agreed to in writing, software 00011 * distributed under the License is distributed on an "AS IS" BASIS, 00012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 00013 * See the License for the specific language governing permissions and 00014 * limitations under the License. 00015 */ 00016 00017 #ifndef _BUNDLETIMESTAMP_H_ 00018 #define _BUNDLETIMESTAMP_H_ 00019 00020 #include <sys/types.h> 00021 00022 namespace dtn { 00023 00030 struct BundleTimestamp { 00031 u_int32_t seconds_; 00032 u_int32_t seqno_; 00033 00037 BundleTimestamp() 00038 : seconds_(0), seqno_(0) {} 00039 00043 BundleTimestamp(u_int32_t seconds, u_int32_t seqno) 00044 : seconds_(seconds), seqno_(seqno) {} 00045 00050 static u_int32_t get_current_time(); 00051 00056 static bool check_local_clock(); 00057 00061 bool operator==(const BundleTimestamp& other) const 00062 { 00063 return seconds_ == other.seconds_ && 00064 seqno_ == other.seqno_; 00065 } 00066 00070 bool operator<(const BundleTimestamp& other) const 00071 { 00072 if (seconds_ < other.seconds_) return true; 00073 if (seconds_ > other.seconds_) return false; 00074 return (seqno_ < other.seqno_); 00075 } 00076 00080 bool operator>(const BundleTimestamp& other) const 00081 { 00082 if (seconds_ > other.seconds_) return true; 00083 if (seconds_ < other.seconds_) return false; 00084 return (seqno_ > other.seqno_); 00085 } 00086 00090 static u_int32_t TIMEVAL_CONVERSION; 00091 }; 00092 00093 } // namespace dtn 00094 00095 #endif /* _BUNDLETIMESTAMP_H_ */