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Experimental support for parallel and iperf3 #2

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9 changes: 7 additions & 2 deletions iperfsensor.sh
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Expand Up @@ -12,13 +12,18 @@
# "-r" since we're expecting to parse results of a test in both directions
# "2>&1" redirect stderr to stdout to prevent errors from contaminating the xml output
# Warning: There is no input sanitization, so be mindful of what you pass in.
output=$(iperf $* -f m -P 1 -r 2>&1)

## non-iperf3 command
# output=$(iperf $* -f m -P 30 -T -r 2>&1)

## iperf3 command
output=$(iperf3 $* -f m -P 30 -T -R 2>&1)
error=$?

# Parse iPerf output. First find lines with the word MBytes, then (treating space as
# delimiters) return the fourth-from-last and second-from-last fields (which are
# Transfer and Bandwidth, respectively). This yields two pairs of values.
results=$(echo -e "$output" | grep "MBytes" | awk '{ print $(NF-3), $(NF-1) }')
results=$(echo -e "$output" | grep -E "SUM.*MBytes" | awk '{ print $(NF-3), $(NF-1) }')
# Take those values and convert to bytes, which are needed when using PRTG "SpeedNet" units.
# bc isn't installed by default on Tomato, so use awk for floating point arithmetic.
# printf is used to avoid scientific notation that may otherwise arise.
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