core-lightning/devtools/decode-iolog
Rusty Russell 0c189fe3a7 devtools/decode-iolog: tool to decode hexstrings from io logging.
Slow, but useful.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2019-05-31 18:36:38 +02:00

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#! /bin/sh
# Feed log in stdin (sometimes 'grep' to get interesting parts)
print_hex()
{
hex="$1"
# We allow one character of trailing junk
while [ ${#hex} -gt 1 ]; do
/usr/bin/printf \\x$(echo "$hex" | cut -c1,2)
hex=$(echo "$hex" | cut -c3-)
done
}
while read TIMESTAMP LOGDIR HEX; do
case "$LOGDIR" in
*\[IN\]|*\[OUT\])
echo $LOGDIR:$(print_hex "$HEX")
;;
esac
done