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check_tping
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check_tping is a C language plugin used to probe and determine host
and network responsiveness by forming TCP connections. This is useful
when ICMP may be blocked or treated with a lower priority,
making it either entirely useless or untrustworthy as a measurement
tool.
While other TCP ping tools/plugins exist, the approach used here
minimizes total runtime, and allows for an adjustable interprobe
delay. This essentially creates a pipeline of probes, limiting
the total runtime to Number of probes * Interprobe delay + timeout,
rather than a sequential Number of probes * timeout approach. This
makes check_tping optimal for use in a busy Nagios server environment
where hundreds or thousands of hosts/services are being monitored.
This work is derived from Amgad Zeitoun's HTPing, and as such carries
a University of Michigan copyright notice.
and network responsiveness by forming TCP connections. This is useful
when ICMP may be blocked or treated with a lower priority,
making it either entirely useless or untrustworthy as a measurement
tool.
While other TCP ping tools/plugins exist, the approach used here
minimizes total runtime, and allows for an adjustable interprobe
delay. This essentially creates a pipeline of probes, limiting
the total runtime to Number of probes * Interprobe delay + timeout,
rather than a sequential Number of probes * timeout approach. This
makes check_tping optimal for use in a busy Nagios server environment
where hundreds or thousands of hosts/services are being monitored.
This work is derived from Amgad Zeitoun's HTPing, and as such carries
a University of Michigan copyright notice.
Reviews (1)
byxoroz, July 19, 2016
then mv -f ".deps/check_tping-getopt.Tpo" ".deps/check_tping-getopt.Po"; else rm -f ".deps/check_tping-getopt.Tpo"; exit 1; fi
getopt.c:45:22: error: ansidecl.h: No such file or directory
make[2]: *** [check_tping-getopt.o] Error 1
make[2]: Leaving directory `/usr/lib/nagios/plugins/old/check_tping-0.1.1/src'
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory `/usr/lib/nagios/plugins/old/check_tping-0.1.1'
make: *** [all] Error 2
getopt.c:45:22: error: ansidecl.h: No such file or directory
make[2]: *** [check_tping-getopt.o] Error 1
make[2]: Leaving directory `/usr/lib/nagios/plugins/old/check_tping-0.1.1/src'
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory `/usr/lib/nagios/plugins/old/check_tping-0.1.1'
make: *** [all] Error 2
