viznet.sh

#!/bin/sh
pgm="${0##*/}" # Program basename
[ $# -gt 0 ] || { echo "Usage: $pgm [ssh_options] ssh_host" >&2; exit 1; }
GOURCE_OPTIONS="
    --1280x800 --auto-skip-seconds 1 --bloom-intensity 0.25
    --file-idle-time 2 --highlight-users --log-format custom
    --output-ppm-stream - --seconds-per-day 0.01
" # END-QUOTE
FFMPEG_OPTIONS="
    -y -r 60 -f image2pipe -vcodec ppm -i - -vcodec libx264
    -preset ultrafast -pix_fmt yuv420p -crf 1 -threads 0 -bf 0
" # END-QUOTE
ssh "$@" sh - <<'EOF' | awk '{
    (cmd = sprintf("date -jf \"%s\" \"%s\" +%%s", "%Y %b %e %T",
        datetime = substr($0, 1, 20))) | getline epoch
    close(cmd)
    printf "%s|%s|M|/%s/%s\n", epoch,
        remoteip = $9, iface = $6, localip = $7
}' | gource $GOURCE_OPTIONS - | ffmpeg $FFMPEG_OPTIONS "${pgm%.*}.mp4"
################################################## REMOTE SCRIPT
remote=$( sockstat | awk -v pid=$PPID '$3==pid && $5~/^tcp/{print $NF; exit}' )
addr="${remote%:*}"
case "$addr" in
*:*) addr="[$addr]" ;;
esac
dwatch -X ip -t "this->remote != \"$addr\""
EOF