From 9156592055b871be41b1f634ee37842854dc73a4 Mon Sep 17 00:00:00 2001
From: Henning Baldersheim <balder@yahoo-inc.com>
Date: Fri, 6 Dec 2019 20:17:56 +0000
Subject: Use std::chrono.

---
 fastos/src/vespa/fastos/timestamp.cpp | 24 ------------------------
 fastos/src/vespa/fastos/timestamp.h   | 19 +------------------
 2 files changed, 1 insertion(+), 42 deletions(-)

(limited to 'fastos')

diff --git a/fastos/src/vespa/fastos/timestamp.cpp b/fastos/src/vespa/fastos/timestamp.cpp
index 14825d7d4f4..ef206067900 100644
--- a/fastos/src/vespa/fastos/timestamp.cpp
+++ b/fastos/src/vespa/fastos/timestamp.cpp
@@ -14,10 +14,7 @@ namespace fastos {
 const TimeStamp::TimeT TimeStamp::MILLI;
 const TimeStamp::TimeT TimeStamp::MICRO;
 const TimeStamp::TimeT TimeStamp::NANO;
-const TimeStamp::TimeT TimeStamp::US;
-const TimeStamp::TimeT TimeStamp::MS;
 const TimeStamp::TimeT TimeStamp::SEC;
-const TimeStamp::TimeT TimeStamp::MINUTE;
 
 using seconds = std::chrono::duration<double>;
 
@@ -56,27 +53,6 @@ steady_now() {
 
 }
 
-std::ostream &
-operator << (std::ostream & os, SteadyTimeStamp ts) {
-    return os << ts.toString();
-}
-
-SteadyTimeStamp
-ClockSteady::now()
-{
-    return steady_now();
-}
-
-const SteadyTimeStamp SteadyTimeStamp::ZERO;
-const SteadyTimeStamp SteadyTimeStamp::FUTURE(TimeStamp::FUTURE);
-
-system_clock::time_point
-SteadyTimeStamp::toUTC() const {
-    system_clock::time_point nowUtc = system_clock::now();
-    SteadyTimeStamp nowSteady = ClockSteady::now();
-    return system_clock::time_point (std::chrono::nanoseconds(nowUtc.time_since_epoch().count() - (nowSteady - *this).ns()));
-}
-
 StopWatch::StopWatch()
     : _startTime(steady_now())
 { }
diff --git a/fastos/src/vespa/fastos/timestamp.h b/fastos/src/vespa/fastos/timestamp.h
index 5dd6c350602..0d23cf7151f 100644
--- a/fastos/src/vespa/fastos/timestamp.h
+++ b/fastos/src/vespa/fastos/timestamp.h
@@ -15,10 +15,7 @@ public:
     static const TimeT MILLI = 1000LL;
     static const TimeT MICRO = 1000*MILLI;
     static const TimeT NANO = 1000*MICRO;
-    static const TimeT US = MILLI;
-    static const TimeT MS = MICRO;
     static const TimeT SEC = NANO;
-    static const TimeT MINUTE = 60*SEC;
     class Seconds {
     public:
         explicit Seconds(double v) : _v(v * NANO) {}
@@ -26,10 +23,8 @@ public:
     private:
         TimeT _v;
     };
-    enum Special { FUTURE };
     TimeStamp() : _time(0)            { }
     TimeStamp(const timeval & tv) : _time(tv.tv_sec*SEC + tv.tv_usec*MILLI) { }
-    TimeStamp(Special s) : _time(std::numeric_limits<TimeT>::max()) { (void) s; }
     TimeStamp(int v) : _time(v)   { }
     TimeStamp(unsigned int v) : _time(v)  { }
     TimeStamp(long v) : _time(v)   { }
@@ -48,8 +43,7 @@ public:
     double sec()                     const { return val()/1000000000.0; }
     std::string toString()           const { return asString(sec()); }
     static std::string asString(double timeInSeconds);
-    static std::string asString(std::chrono::system_clock::time_point duration);
-    static TimeStamp fromSec(double sec) { return Seconds(sec); }
+    static std::string asString(std::chrono::system_clock::time_point time);
 private:
     TimeT _time;
 };
@@ -61,8 +55,6 @@ inline TimeStamp operator *(double a, TimeStamp b) { return TimeStamp(static_cas
 
 class SteadyTimeStamp {
 public:
-    static const SteadyTimeStamp ZERO;
-    static const SteadyTimeStamp FUTURE;
     SteadyTimeStamp() : _timeStamp() { }
     explicit SteadyTimeStamp(TimeStamp timeStamp) : _timeStamp(timeStamp) { }
 
@@ -87,20 +79,11 @@ public:
     friend bool operator > (SteadyTimeStamp a, SteadyTimeStamp b) {
         return a._timeStamp > b._timeStamp;
     }
-    std::chrono::system_clock::time_point toUTC() const;
     std::string toString() const { return _timeStamp.toString(); };
 private:
     TimeStamp _timeStamp;
 };
 
-std::ostream & operator << (std::ostream & os, SteadyTimeStamp ts);
-
-class ClockSteady
-{
-public:
-    static SteadyTimeStamp now();
-};
-
 class StopWatch
 {
 public:
-- 
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