net/lsm: add link state monitor package. (thank you Brian J. Murrell)

git-svn-id: svn://svn.openwrt.org/openwrt/packages@23326 3c298f89-4303-0410-b956-a3cf2f4a3e73

net/lsm/files/lsm_script

@@ -0,0 +1,66 @@
+#!/bin/sh
+#
+# (C) 2009 Mika Ilmaranta <ilmis at nullnet.fi>
+#
+# License: GPLv2
+#
+
+#
+# default event handling script
+#
+
+DATE=$(/bin/date)
+
+STATE=${1}
+NAME=${2}
+CHECKIP=${3}
+DEVICE=${4}
+WARN_EMAIL=${5}
+REPLIED=${6}
+WAITING=${7}
+TIMEOUT=${8}
+REPLY_LATE=${9}
+CONS_RCVD=${10}
+CONS_WAIT=${11}
+CONS_MISS=${12}
+AVG_RTT=${13}
+
+cat <<EOM | mail -s "LSM: ${NAME} ${STATE}, IP ${CHECKIP}" ${WARN_EMAIL}
+
+Hi,
+
+Your connection ${NAME} has changed it's state to ${STATE} at ${DATE}.
+
+Following parameters were passed:
+newstate     = ${STATE}
+name         = ${NAME}
+checkip      = ${CHECKIP}
+device       = ${DEVICE}
+warn_email   = ${WARN_EMAIL}
+
+Packet statuses:
+replied      = ${REPLIED} packets replied
+waiting      = ${WAITING} packets waiting for reply
+timeout      = ${TIMEOUT} packets that have timeout (= packet loss)
+reply_late   = ${REPLY_LATE} packets that received a reply after timeout
+cons_rcvd    = ${CONS_RCVD} consecutively received replies in sequence
+cons_wait    = ${CONS_WAIT} consecutive packets waiting for reply
+cons_miss    = ${CONS_MISS} consecutive packets that have timed out
+avg_rtt      = ${AVG_RTT} average rtt [usec], calculated from received packets
+
+BR,
+Your LSM installation
+
+EOM
+
+cd /etc/lsm/script.d/
+for script in $(ls); do
+    if [ ! -x $script ]; then
+        continue
+    fi
+    ./$script "$@"
+done
+
+exit 0;
+
+#EOF