wait for ip address assignmend during dhclien

manage.sh

@@ -34,15 +34,26 @@ connect_using_wpa_supp() {
 	sudo wpa_supplicant -D nl80211 -i $DRONE_INTERFACE -c network/$DRONE_WPA_SUPP_CONF
 }
 
-wait_for_drone() {
-    while ! ping -c1 192.168.10.1 &>/dev/null; do
-        echo "Drone is offline. Waiting.."; sleep 2
-    done
-    echo "Drone is available, can ask for dhcp"; sleep 1
-}
+#wait_for_drone() {
+    #while ! ping -c1 192.168.10.1 &>/dev/null; do
+    #    echo "Drone is offline. Waiting.."; sleep 2
+    #done
+    #echo "Drone is available, can ask for dhcp"; sleep 1
+#}
 
 get_dhcp_ip () {
-    sudo dhclient $DRONE_INTERFACE
+    while true; do
+        sudo dhclient $DRONE_INTERFACE            
+        ip_address=$(ip addr show wlan1 | grep 'inet ' | awk '{print $2}' | cut -d'/' -f1)
+        if [[ -n $ip_address ]]; then
+            echo "Drone assigned IP to commander: $ip_address"
+            echo "ok"
+            break
+        else 
+            echo "Drone is not assigned an IP yet. Waiting.."
+            sleep 2
+        fi
+    done
 }
 
 start_jupyter() {
@@ -81,9 +92,6 @@ elif [ "$1" == "connect-drone" ]; then
     wpa_supp_pid=$!
     echo "started wpa supplicant to connect drone network with PID $wpa_supp_pid"
     echo $wpa_supp_pid > $pids_dir/wpa_supp_pid.txt
-    echo "will wait forever until drone is on and connected to repeater"
-    wait_for_drone
-    echo "ok"
 
 elif [ "$1" == "disconnect-drone" ]; then
     wpa_supp_pid_file="$pids_dir/wpa_supp_pid.txt"
@@ -157,7 +165,6 @@ elif [ "$1" == "stop-commander" ]; then
         echo "stopped commander"
 	fi
 
-
 elif [ "$1" == "prepare-flight" ]; then
     ./manage.sh connect-drone
     ./manage.sh get-dhcp