eSNMP API Routines esnmp_sysuptime

esnmp_sysuptime

Converts UNIX system time obtained from gettimeofday into a value with the same time base as sysUpTime.

Format

unsigned int esnmp_sysuptime ( struct timeval *timestamp ) ;

Argument

timestamp

A pointer to struct timeval, which contains a value obtained from the gettimeofday system call. The structure is defined in include/sys/time.h.

A null pointer means return the current sysUpTime.

Description

This routine provides a mechanism to convert UNIX timestamps into eSNMP TimeTicks. The function returns the value that sysUpTime held when the passed timestamp was now.

This routine can be used as a TimeTicks data type (the time since the eSNMP master agent started) in hundredths of a second. The time base is obtained from the master agent in response to esnmp_init, so calls to this function before that time will not be accurate.

Return Values

0

An error occurred because a gettimeofday

 

function failed. Otherwise, timestamp contains

 

the time in hundredths of a second since the

 

master agent started.

Example

 

#include <sys/time.h> #include <esnmp.h> struct timeval timestamp;

gettimeofday(×tamp, NULL);

.

.

.

o_integer(vb, object, esnmp_sysuptime(×tamp));

5–18eSNMP API Routines

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Compaq AAR04BCTE manual Esnmpsysuptime, ESNMP API Routines esnmpsysuptime, Argument, Timestamp

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