Adds an aditional check to see if the license file is on a floating l…

…icense server. (#9)

npu/build/build_template/check_license.sh

@@ -9,10 +9,18 @@ if [ -z "$XILINXD_LICENSE_FILE" ]; then
     echo "Please see https://riallto.ai/install-riallto.html for license setup instructions."
     exit 1
 else
-    # If variable set, see if file exists
-    if [ ! -e "$XILINXD_LICENSE_FILE" ]; then
-        echo "The license file $XILINXD_LICENSE_FILE does not exist."
-        echo "Please see https://riallto.ai/install-riallto.html for license setup instructions."
-        exit 1
+    # Check if XILINXD_LICENSE_FILE is a file
+    if [ -e "$XILINXD_LICENSE_FILE" ]; then
+        echo "Found license file: $XILINXD_LICENSE_FILE"
+    else
+        # Assume XILINXD_LICENSE_FILE is a server, try to ping
+        server_address=$(echo $XILINXD_LICENSE_FILE | cut -d@ -f2)
+        if ping -c 1 $server_address &> /dev/null; then
+            echo "Server $server_address is reachable."
+        else
+            echo "Could not find license file of reach server address $server_address."
+            echo "Please see https://riallto.ai/install-riallto.html for license setup instructions."
+            exit 1
+        fi
     fi
-fi
+fi