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XrdSysTimer Class Reference

#include <XrdSysTimer.hh>

Collaboration diagram for XrdSysTimer:

Public Member Functions

 XrdSysTimer ()
struct timeval * Delta_Time (struct timeval &tbeg)
unsigned long Report (double &)
unsigned long Report (struct timeval &)
unsigned long Report (unsigned long &)
unsigned long Report (unsigned long long &)
void Reset ()
time_t Seconds ()
void Set (struct timeval &tod)
int TimeLE (time_t tsec)

Static Public Member Functions

static time_t Midnight (time_t tnow=0)
static char * s2hms (int sec, char *buff, int blen)
static void Snooze (int seconds)
static int TimeZone ()
static void Wait (int milliseconds)
static void Wait4Midnight ()

Detailed Description

Definition at line 44 of file XrdSysTimer.hh.

Constructor & Destructor Documentation

◆ XrdSysTimer()

XrdSysTimer::XrdSysTimer ( )
inline

Definition at line 80 of file XrdSysTimer.hh.

80{Reset();}

References Reset().

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Member Function Documentation

◆ Delta_Time()

struct timeval * XrdSysTimer::Delta_Time ( struct timeval & tbeg)

Definition at line 45 of file XrdSysTimer.cc.

46{
47 gettimeofday(&LastReport, 0);
48 LastReport.tv_sec = LastReport.tv_sec - tbeg.tv_sec;
49 LastReport.tv_usec = LastReport.tv_usec - tbeg.tv_usec;
50 if (LastReport.tv_usec < 0) {LastReport.tv_sec--; LastReport.tv_usec += 1000000;}
51 return &LastReport;
52}

◆ Midnight()

time_t XrdSysTimer::Midnight ( time_t tnow = 0)
static

Definition at line 58 of file XrdSysTimer.cc.

59{
60 struct tm midtime;
61 time_t add_time;
62
63// Compute time at midnight
64//
65 if (tnow == 0 || tnow == 1) {add_time = tnow; tnow = time(0);}
66 else add_time = 0;
67 localtime_r((const time_t *) &tnow, &midtime);
68 if (add_time) {midtime.tm_hour = 23; midtime.tm_min = midtime.tm_sec = 59;}
69 else midtime.tm_hour = midtime.tm_min = midtime.tm_sec = 0;
70 return mktime(&midtime) + add_time;
71}

Referenced by getXDate(), and Wait4Midnight().

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◆ Report() [1/4]

unsigned long XrdSysTimer::Report ( double & Total_Time)

Definition at line 100 of file XrdSysTimer.cc.

101{
102 unsigned long report_time = Report();
103
104// Add up the time as a double
105//
106 Total_Time += static_cast<double>(LastReport.tv_sec) +
107 static_cast<double>(LastReport.tv_usec/1000)/1000.0;
108
109// Return time
110//
111 return report_time;
112}
unsigned long Report(double &)

References Report().

Referenced by Report(), Report(), Report(), and Report().

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◆ Report() [2/4]

unsigned long XrdSysTimer::Report ( struct timeval & Total_Time)

Definition at line 148 of file XrdSysTimer.cc.

149{
150 unsigned long report_time = Report();
151
152// Add the interval to the interval total time so far
153//
154 Total_Time.tv_sec += LastReport.tv_sec;
155 Total_Time.tv_usec += LastReport.tv_usec;
156 if (Total_Time.tv_usec > 1000000) {Total_Time.tv_sec++;
157 Total_Time.tv_usec -= 1000000;}
158
159// Return time
160//
161 return report_time;
162}

References Report().

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◆ Report() [3/4]

unsigned long XrdSysTimer::Report ( unsigned long & Total_Time)

Definition at line 116 of file XrdSysTimer.cc.

117{
118 unsigned long report_time = Report();
119
120// Add up the time as a 32-bit value to nearest milliseconds (max = 24 days)
121//
122 Total_Time += (unsigned long)LastReport.tv_sec*1000 +
123 (unsigned long)(LastReport.tv_usec/1000);
124
125// Return time
126//
127 return report_time;
128}

References Report().

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◆ Report() [4/4]

unsigned long XrdSysTimer::Report ( unsigned long long & Total_Time)

Definition at line 132 of file XrdSysTimer.cc.

133{
134 unsigned long report_time = Report();
135
136// Add up the time as a 64-bit value to nearest milliseconds
137//
138 Total_Time += (unsigned long long)LastReport.tv_sec*1000 +
139 (unsigned long long)(LastReport.tv_usec/1000);
140
141// Return time
142//
143 return report_time;
144}

References Report().

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◆ Reset()

void XrdSysTimer::Reset ( )
inline

Definition at line 61 of file XrdSysTimer.hh.

61{gettimeofday(&StopWatch, 0);}

Referenced by XrdSysTimer().

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◆ s2hms()

char * XrdSysTimer::s2hms ( int sec,
char * buff,
int blen )
static

Definition at line 192 of file XrdSysTimer.cc.

193{
194 int hours, minutes;
195
196 minutes = sec/60;
197 sec = sec%60;
198 hours = minutes/60;
199 minutes = minutes%60;
200
201 snprintf(buff, blen-1, "%d:%02d:%02d", hours, minutes, sec);
202 buff[blen-1] = '\0';
203 return buff;
204}

Referenced by XrdXrootdProtocol::Recycle().

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◆ Seconds()

time_t XrdSysTimer::Seconds ( )
inline

Definition at line 63 of file XrdSysTimer.hh.

63{return StopWatch.tv_sec;}

◆ Set()

void XrdSysTimer::Set ( struct timeval & tod)
inline

Definition at line 65 of file XrdSysTimer.hh.

66 {StopWatch.tv_sec = tod.tv_sec;
67 StopWatch.tv_usec = tod.tv_usec;
68 }

◆ Snooze()

void XrdSysTimer::Snooze ( int seconds)
static

Definition at line 168 of file XrdSysTimer.cc.

169{
170#ifndef WIN32
171 struct timespec naptime, waketime;
172
173// Calculate nano sleep time
174//
175 naptime.tv_sec = sec;
176 naptime.tv_nsec = 0;
177
178// Wait for a lsoppy number of seconds
179//
180 while(nanosleep(&naptime, &waketime) && EINTR == errno)
181 {naptime.tv_sec = waketime.tv_sec;
182 naptime.tv_nsec = waketime.tv_nsec;
183 }
184#else
185 ::Sleep(sec*1000);
186#endif
187}

Referenced by XrdPosixFile::DelayedDestroy(), XrdCmsNode::Delete(), XrdFrmMonitor::Ident(), main(), XrdFrmMigrate::Migrate(), XrdCmsAdmin::MonAds(), XrdCmsCluster::MonPerf(), XrdCmsCluster::MonRefs(), XrdTlsCrl::Refresh(), XrdCmsMeter::Run(), XrdCmsFinderTRG::RunPM(), XrdCmsMeter::RunPM(), XrdOfsTPCAuth::RunTTL(), XrdCmsClientMan::Start(), XrdFrmXfrDaemon::Start(), XrdFrmXfrQueue::StopMon(), and XrdCmsCache::TickTock().

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◆ TimeLE()

int XrdSysTimer::TimeLE ( time_t tsec)
inline

Definition at line 51 of file XrdSysTimer.hh.

51{return StopWatch.tv_sec <= tsec;}

◆ TimeZone()

int XrdSysTimer::TimeZone ( )
static

Definition at line 210 of file XrdSysTimer.cc.

211{
212 time_t currTime = time(0);
213 time_t currTimeGMT = 0;
214 tm ptm;
215
216 gmtime_r( &currTime, &ptm );
217 currTimeGMT = mktime( &ptm );
218 currTime /= 60*60;
219 currTimeGMT /= 60*60;
220 return currTime - currTimeGMT;
221}

◆ Wait()

void XrdSysTimer::Wait ( int milliseconds)
static

Definition at line 227 of file XrdSysTimer.cc.

228{
229#ifndef WIN32
230 struct timespec naptime, waketime;
231
232// Calculate nano sleep time
233//
234 naptime.tv_sec = mills/1000;
235 naptime.tv_nsec = (mills%1000)*1000000;
236
237// Wait for exactly x milliseconds
238//
239 while(nanosleep(&naptime, &waketime) && EINTR == errno)
240 {naptime.tv_sec = waketime.tv_sec;
241 naptime.tv_nsec = waketime.tv_nsec;
242 }
243#else
244 ::Sleep(mills);
245#endif
246}

Referenced by XrdPosixObject::Dir(), XrdCmsConfig::DoIt(), XrdPosixObject::File(), XrdOfsEvr::flushEvents(), XrdCmsFinderRMT::Forward(), XrdSutPFCache::Get(), XrdCmsBaseFS::Pacer(), XrdPfc::Cache::Prefetch(), XrdCmsFinderRMT::Prepare(), XrdBuffManager::Reshape(), XrdCl::TaskManager::RunTasks(), XrdCmsFinderTRG::Start(), and XrdCmsRRQ::TimeOut().

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◆ Wait4Midnight()

void XrdSysTimer::Wait4Midnight ( )
static

Definition at line 252 of file XrdSysTimer.cc.

253{
254
255// Wait until midnight arrives
256//
257#ifndef __APPLE__
258 timespec Midnite = {Midnight(1), 0};
259 while(clock_nanosleep(CLOCK_REALTIME,TIMER_ABSTIME,&Midnite,0) == EINTR) {}
260#else
261 timespec tleft, Midnite = {Midnight(1) - time(0), 0};
262 int ntpWait = 60;
263do{while(nanosleep(&Midnite, &tleft) && EINTR == errno)
264 {Midnite.tv_sec = tleft.tv_sec;
265 Midnite.tv_nsec = tleft.tv_nsec;
266 }
267 if (Midnight(1) - time(0) >= 60) break;
268 Midnite.tv_sec = 1;
269 Midnite.tv_nsec = 0;
270 } while(ntpWait--); // This avoids multiple wakeups when NTP adjusts clock
271#endif
272}
static time_t Midnight(time_t tnow=0)

References Midnight().

Referenced by XrdSysLogger::zHandler().

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The documentation for this class was generated from the following files: