--- badi/public_scripts/switchgate/switchgate	2009/12/17 11:44:47	1.3
+++ badi/public_scripts/switchgate/switchgate	2017/03/28 21:44:24	1.8
@@ -1,7 +1,7 @@
 #!/bin/bash
 
-# switchhgate 0.0.3
-# (c) 2005 under GPL by Adrian Zaugg
+# switchhgate 0.0.5
+# (c) 2005-2010 under GPL by Adrian Zaugg
 
 # switchgate pings a set of hosts to determine the state of the internet connectivity. If
 # the connection is down, it can change the default gateway to an alternative gateway.
@@ -59,15 +59,15 @@ function readgwlist {
 		fi
 
 		allgates=`grep -ve "^[ 	]*[\#]\+.*$" "$GATEWAYS_FILE" | xargs`
+		alldhcpgates=""
 		for gate in $allgates; do
-			if [[ $(echo "$gate" | grep -c -e "^[:space:]*dhcp\..*$") -eq 1 && \
-			      -f "$CONFIG_PATH/$gate" ]]; then
+			if [[ $(echo "$gate" | grep -c -e "^[[:space:]]*dhcp\..*$") -eq 1 && \
+			      -f "$DHCP_TMP_DIR/$gate" ]]; then
 				# Read dhcp supplied gate for a specific interface
-				alldhcpgates=`grep -e "^[^\#].*$" "$CONFIG_PATH/$gate" | xargs`
-			elif [[ $(echo "$gate" | grep -c -e "^[:space:]*dhcp[:space:]*$") -eq 1 ]]; then
+				alldhcpgates="$alldhcpgates `grep -e "^[^\#].*$" "$DHCP_TMP_DIR/$gate" | xargs`"
+			elif [[ $(echo "$gate" | grep -c -e "^[[:space:]]*dhcp[[:space:]]*$") -eq 1 ]]; then
 				# Read all dhcp files
-				alldhcpgates=""
-				for dhcpfile in $(echo -n $(ls -1 $DHCP_TMP_DIR/dhcp* 2>/dev/null)); do 
+				for dhcpfile in $(echo -n $(ls -1 $DHCP_TMP_DIR/dhcp* 2>/dev/null)); do
 					alldhcpgates="$alldhcpgates `grep -e "^[^\#].*$" "$dhcpfile" | xargs`"
 				done
 			else
@@ -353,24 +353,32 @@ fi
 
 # send an eMail if the connection is down or limited
 if [ -z "$UP" ]; then
-	EMAIL_BODY="Switchgate on $(hostname -f) reports: No connection!\n\n\nTime:\t\t$(date)\nGateway:\t$CURRENTGW ($CURRENTGW_ID)"
-	EMAIL_SUBJECT="Attention: $(hostname -f) has no connection!"
-	echo -e "$EMAIL_BODY" | mail -s "$EMAIL_SUBJECT" "$ALERT_EMAIL"
-	if [[ -n "$DEBUG" && "$DEBUG" != "low" ]]; then
-		echo "Alert message sent to $ALERT_EMAIL."
+	if [ -z "$NEWGW" ]; then
+		EMAIL_BODY="Switchgate on $(hostname -f) reports: No connection!\n\nTime:\t\t$(date)\nGateway:\t$CURRENTGW ($CURRENTGW_ID)"
+		EMAIL_SUBJECT="Attention: $(hostname -f) has no connection!"
+		echo -e "$EMAIL_BODY" | mail -s "$EMAIL_SUBJECT" "$ALERT_EMAIL"
+		if [[ -n "$DEBUG" && "$DEBUG" != "low" ]]; then
+			echo "Alert message sent to $ALERT_EMAIL."
+		fi
 	fi
 elif [ "$CURRENTGW_ID" != 0 ]; then
-	EMAIL_BODY="Switchgate on $(hostname -f) reports: Not operating on standard default gateway!\n\n\nTime:\t\t$(date)\nGateway:\t$CURRENTGW ($CURRENTGW_ID)"
-	EMAIL_SUBJECT="Attention: $(hostname -f) Not operating on standard default gateway!"
+	EMAIL_BODY="Switchgate on $(hostname -f) reports: Not operating on standard default gateway!\n\nTime:\t\t$(date)\nGateway:\t$CURRENTGW ($CURRENTGW_ID)"
+	EMAIL_SUBJECT="Attention: $(hostname -f) not operating on standard default gateway!"
 	echo -e "$EMAIL_BODY" | mail -s "$EMAIL_SUBJECT" "$ALERT_EMAIL"
 	if [[ -n "$DEBUG" && "$DEBUG" != "low" ]]; then
 		echo "Alert message sent to $ALERT_EMAIL."
 	fi
 fi
 
-if [ "$DEBUG" = "low" ]; then
-   echo
-   echo "Default Gateway: $CURRENTGW ($CURRENTGW_ID)"
-   echo
+if [ "$DEBUG" = "low" -o "$DEBUG" = "choke" ]; then
+	if [ -n "$UP" ]; then
+	   echo
+	   echo "Current Default Gateway: $CURRENTGW ($CURRENTGW_ID)"
+	   echo
+	else
+	   echo
+	   echo "No connection."
+	   echo
+	fi
 fi
 exit 0