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clientlog: save time of last hit with sub-second resolution

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Instead of time_t use a 32-bit fixed point representation with 4-bit
fraction to save the time of the last hit. The rate can now be measured
up to 16 packets per second. Maximum interval between hits is about 4
years.
This commit is contained in:
Miroslav Lichvar
2015-12-02 17:49:40 +01:00
parent 98947a4e52
commit d3096c3b5e
4 changed files with 90 additions and 34 deletions
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6
clientlog.h
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@@ -33,14 +33,14 @@
extern void CLG_Initialise(void);
extern void CLG_Finalise(void);
extern int CLG_LogNTPAccess(IPAddr *client, time_t now);
extern int CLG_LogCommandAccess(IPAddr *client, time_t now);
extern int CLG_LogNTPAccess(IPAddr *client, struct timeval *now);
extern int CLG_LogCommandAccess(IPAddr *client, struct timeval *now);
extern int CLG_LimitNTPResponseRate(int index);
extern int CLG_LimitCommandResponseRate(int index);
/* And some reporting functions, for use by chronyc. */
extern int CLG_GetNumberOfIndices(void);
extern int CLG_GetClientAccessReportByIndex(int index, RPT_ClientAccessByIndex_Report *report, time_t now);
extern int CLG_GetClientAccessReportByIndex(int index, RPT_ClientAccessByIndex_Report *report, struct timeval *now);
#endif /* GOT_CLIENTLOG_H */