rename files, add readme, add empty .service file

arpcheck

@@ -1,10 +1,13 @@
 #! /bin/bash
 
+if [ ! -e "$1" ]; then
+    exit 2
+fi
 
-TOKEN="A9jDrGFO6Ob-m88"
+. "$1"
-IP="172.16.1.82"
-COUNT_TO_AWAY=900
 
+
+countToAway=`expr $SECONDS_TO_AWAY / $INTERVAL`
 startedTimeout="n"
 away="n"
 alertedHome="y"
@@ -28,24 +31,24 @@ do
     else
       let "counter += 1"
       echo "******** $counter"
-      if [ $counter -eq $COUNT_TO_AWAY ]; then
+      if [ $counter -eq $countToAway ]; then
-        alert "Status" "Away"
+        alert "$ALERT_TITLE" "$ALERT_MESSAGE_AWAY"
         alertedHome="n"
         alertedAway="y"
       fi
     fi 
   else
     if [ "$startedTimeout" = "y" ]; then
-      if [ "$counter" -ge 100 ]; then
+      if [ "$counter" -ge `expr 600 / $INTERVAL` && "$counter" -le `expr 1800 / $INTERVAL ]; then
-        echo "$counter" >> count.hayleyiphone
+        echo "$counter" >> "$LOGFILE"
       fi
       startedTimeout="n"
       counter=0
       if [ "$alertedHome" = "n" ]; then
-        alert "Status" "Home"
+        alert "$ALERT_TITLE" "$ALERT_MESSAGE_HOME"
         alertedHome="y"
       fi
     fi
   fi
-done < <(stdbuf -oL arping -W 1 "$IP")
+done < <(stdbuf -oL arping -W "$INTERVAL" "$IP")
 

arpcheck-default.conf

@@ -0,0 +1,24 @@
+#! /bin/bash
+
+# ip to arp ping
+IP="172.16.1.82"
+
+# alternatively, MAC to ping
+MAC="86:51:F8:EF:D1:8C"
+
+# number of seconds for ping to timeout before device is considered to not be present
+SECONDS_TO_AWAY=900
+
+# number of seconds between pings
+INTERVAL=1
+
+# app token for gotify
+TOKEN="A9jDrGFO6Ob-m88"
+
+# logfile
+LOGFILE="/var/log/arp-check/$IP"
+
+# alert configuration:
+ALERT_TITLE="Status"
+ALERT_MESSAGE_HOME="Home"
+ALERT_MESSAGE_AWAY="Away"

readme.md

@@ -0,0 +1,21 @@
+# ARPCHECK #
+## Uses `arping` utility to check for presence of device on network. ##
+
+## Installation
+
+1. Copy arpcheck to `/usr/local/bin`
+
+2. Create `/var/log/arpcheck directory` (or directory to match log directory in conf file)
+
+3. Copy `arpcheck-default.conf` to device specific configuration file. ex.: `arpcheck-johndoe.conf`
+   You may make as many individual configuartion files as you want.
+
+4. Create `/etc/arpcheck directory`
+
+5. Copy arpcheck config files you made to `/etc/arpcheck` directory
+
+6. Copy `arpcheck@.service` file to `\etc\systemd\system`
+
+7. Enable service: `systemctl enable arpcheck@<name_of_config_file>.service`
+
+8. Start service: `systemctl start arpcheck@<name_of_config_file>.service`