Time.h

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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 __TIME_H__
00018 #define __TIME_H__
00019 
00020 #include "../compat/inttypes.h"
00021 
00022 namespace oasys {
00023 
00027 struct Time {
00028     u_int32_t sec_;
00029     u_int32_t usec_;
00030 
00031     Time(u_int32_t sec  = 0,
00032          u_int32_t usec = 0) 
00033         : sec_(sec), usec_(usec) 
00034     {
00035         cleanup();
00036     }
00037     
00039     void get_time();
00040     
00042     double in_seconds();
00043 
00045     u_int32_t in_microseconds();
00046     
00048     u_int32_t in_milliseconds();
00049 
00051     // current time.
00052     u_int32_t elapsed_ms();
00053 
00055     Time operator+(const Time& t)  const;
00056     Time operator-(const Time& t)  const;
00057     Time& operator+=(const Time& t);
00058     Time& operator-=(const Time& t);
00059 
00060     bool operator==(const Time& t) const;
00061     bool operator<(const Time& t)  const;
00062     bool operator>(const Time& t)  const;
00063     bool operator>=(const Time& t) const;
00064     bool operator<=(const Time& t) const;
00066 
00067     // Use default operator=
00068 
00070     void cleanup();
00071 };
00072 
00073 } // namespace oasys
00074 
00075 #endif /* __TIME_H__ */

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