Merge pull request libremesh#1087 from G10h4ck/shared_state_async

Add shared-state-async network statistics sharing

packages/shared-state-async/files/etc/uci-defaults/shared-state-net_stats-cron

@@ -0,0 +1,19 @@
+#!/bin/sh
+
+unique_append()
+{
+	grep -qF "$1" "$2" || echo "$1" >> "$2"
+}
+
+mSc="net_stats"
+
+uci set shared-state.${mSc}=dataType
+uci set shared-state.${mSc}.name='net-stats'
+uci set shared-state.${mSc}.scope='community'
+uci set shared-state.${mSc}.ttl='1200'
+uci set shared-state.${mSc}.update_interval='120'
+uci commit shared-state
+
+unique_append \
+	'*/3 * * * * ((sleep $(($RANDOM % 120)); shared-state-async insert net-stats < /tmp/shared-state/network_statistics.json &> /dev/null)&)' \
+	/etc/crontabs/root