finished v0.1 of ping.sh, added stuff to the readme

mobots/README.please

@@ -1,15 +1,23 @@
 this is my little mobot project.
 
-the concept is not to spend hundreds of hours to implement some massive monitoring tool like nagios or something like this. instead i want to use some simple message/notification scripts which exactly tell me what i need to know.
+the concept is not to spend hundreds of hours to implement some massive
+monitoring tool like nagios or something like this.
+instead i want to use some simple message/notification scripts 
+which exactly tell me what i need to know.
 
-the first thing i have here is the df bot. it sends me a short jabber message when one or more disks on the serving machine reaching a preconfigured threshold (example: 90% disk usage).
+the first thing i have here is the df bot. it sends me a short jabber message
+when one or more disks on the serving machine reaching a preconfigured threshold 
+(example: 90% disk usage).
 
-feel free to use or improve this handy tool!
+another tool i find really useful is the pingbot (ping.sh)
+it works pretty much the same as the dfbot.
+
+feel free to use or improve this handy tools!
 
 
-=== how to use the df bot (install notes) ===
+=== install notes ===
 
-1. copy the df.sh scrip somewhere on the machine
+1. copy the scrip somewhere on your machine
 you get the df.sh on gitorious.org
 http://gitorious.org/sn/scripts/trees/master/mobots/df.sh
 

mobots/df.sh

@@ -1,3 +1,5 @@
+#!/bin/bash
+
 ###################################################
 ##                                               ##
 ##        disk_free jabber monitoring bot        ##

mobots/ping.sh

@@ -1,3 +1,5 @@
+#!/bin/bash
+
 ## ##    ##    ##    ##    ##    ##    ## ##
 ##                                        ##
 ##           jabber ping bot              ##
@@ -69,16 +71,28 @@ set -- $dest
 
 for var in "$@"
 do
-    data=$(ping -c 05 $var | grep transmitted | awk '{print $4}')
-    if [ $data -lt 4 ]; then
-        echo "alert: $var is unreachable"
-        echo "alert: $var is unreachable" | sendxmpp -r $res $watchdogs
+    #result=$(ping -c 05 $var | grep transmitted | awk '{print $4}')
+    ping -c 03 $var >/dev/null 2>&1
+    errorcode=$? 
+    if [ $errorcode = "0" ]; then
+        echo "info: $var is responding"
     else
-        echo "info: $var is reachable"
+        if [ $errorcode = "1" ]; then
+            echo "alert: $var is not responding"
+            ## sending jabber message
+            echo "alert: $var is not responding
+                  ping errorcode: $errorcode" | sendxmpp -r $res $watchdogs
+        else
+            if [ $errorcode = "2" ]; then
+                echo "alert: $var cannot be resolved"
+                ## sending jabber message
+                echo "alert: $var cannot be resolved
+                      ping errorcode: $errorcode" | sendxmpp -r $res $watchdogs
+            fi
+        fi
     fi
 done
 
-
 ## the end
 exit 0