scraketools

commit b5547fc04c7380eb69e81969058a13b70052bf44
parent 84216d86cb683bcb8c0a9f8dd05f45feea64f765
Author: giygas <giygas@boymiasma.net>
Date:   Mon, 13 Oct 2025 02:18:22 +0200

server status query script query script

Diffstat:
A
husk.sh
 | 
51
+++++++++++++++++++++++++++++++++++++++++++++++++++

1 file changed, 51 insertions(+), 0 deletions(-)
diff --git a/husk.sh b/husk.sh
@@ -0,0 +1,51 @@
+#!/bin/sh
+PROGNAME="$(basename "$0")"
+NC_TIMEOUT=1
+
+notify() { echo "$PROGNAME: $@"; }
+warn() { echo "$PROGNAME: $@" >&2; }
+fatal() {
+        trap "exit 1" TERM
+        echo "$PROGNAME: $@" >&2
+        kill $$
+}
+clean() { true; }
+trap "clean" EXIT TERM INT
+
+fetch() {
+	typeset TARGET PORT
+	PORT=7717
+	if [ $# -lt 1 ]; then fatal "usage: fetch server_name [port]"; exit 1; fi
+	TARGET="$1"; shift
+	if [ ! -z "$1" ]; then PORT="$1"; fi
+
+	echo '\info\' | nc -w "$NC_TIMEOUT" -u "$TARGET" "$PORT" | awk -v RS='\\' \
+		'NR==1 { next } # empty field from leading \
+		/^final$/ { exit }
+		(NR%2) == 0 { key=$0; next }
+		{ print key" "$0 }'
+}
+
+format() {
+	typeset FMT
+	if [ $# -lt 1 ]; then fatal "usage: format format_string [string ...]"; exit 1; fi
+	FMT="$1"; shift
+
+	awk '{ key=$1; $1=""; $0=substr($0,2); pairs[key]=$0 } END { '"$(gen_printf "$FMT" $*)"' }'
+}
+
+gen_printf() {
+	typeset FMT STRINGS
+	if [ $# -lt 1 ]; then fatal "usage: format format_string [string ...]"; exit 1; fi
+	FMT="$1"; shift
+
+	while [ $# -ge 1 ]; do
+		STRINGS="$STRINGS,pairs[\"$1\"]"
+		shift
+	done
+
+	echo "printf(\"$FMT\"$STRINGS)"
+}
+
+if [ $# -lt 1 ]; then fatal "usage: $PROGNAME server_name port"; fi
+fetch $* | format "%s on %s [%s/%s]\n" hostname mapname numplayers maxplayers