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| author | Yves Fischer <yvesf-git@xapek.org> | 2013-05-06 13:53:03 +0200 |
|---|---|---|
| committer | Yves Fischer <yvesf-git@xapek.org> | 2013-05-06 13:53:03 +0200 |
| commit | a1988622da1e4b09df5b994d07ab3d6ee999f0d5 (patch) | |
| tree | 0ad74911891d1bbb88c615e0017e22ed19f5b63e /datasources/internet_latency.sh | |
| parent | fd73cf8b5d084dd0aae8f0776094e328520534df (diff) | |
| download | ebus-alt-a1988622da1e4b09df5b994d07ab3d6ee999f0d5.tar.gz ebus-alt-a1988622da1e4b09df5b994d07ab3d6ee999f0d5.zip | |
sensor: internet latency
Diffstat (limited to 'datasources/internet_latency.sh')
| -rwxr-xr-x | datasources/internet_latency.sh | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/datasources/internet_latency.sh b/datasources/internet_latency.sh new file mode 100755 index 0000000..7743bca --- /dev/null +++ b/datasources/internet_latency.sh @@ -0,0 +1,20 @@ +#!/bin/sh + +. "`dirname \"$0\"`"/datastore-functions.sh + +HTTP_SERVER=78.47.115.125 + +start=`date +%N` + +if printf "HEAD / HTTP/1.1\r\n\r\n" | nc -w 1 $HTTP_SERVER 80 >/dev/null; then + end=`date +%N` + dur=`expr $end - $start` + if [ $dur -lt 0 ]; then + dur=`expr $dur + 999999999` + fi + put_value_sensor_now "`hostname`.internet.latency_ns" "$dur" +else + put_value_sensor_now "`hostname`.internet.latency_ns" "-1" +fi + +exit 0 |