14.01 Get system IP address

Prerequisites

• Products: Liquid UI WS, Liquid UI Server or Local DLL, Client Software
• Commands: wsCurl, pushbutton(), inputfield()

Purpose

To retrieve the global IP Address of the current system using wsCurl command in SAP. To demonstrate this, we’ll guide you through the following steps:

1. Delete unnecessary elements on the SAP screen using the clearscreen command
2. Add an input field to display the retrieved IP address.
3. Add a toolbar pushbutton to execute the process that retrieves the current IP address on click.
4. Add a function to retrieve the system IP address

User Interface

Create this file inside your script folder for customizing the SAP Easy Access screen SAPLSMTR_NAVIGATION.E0100

//Now, let's start adding the Liquid UI script to the above file and save it.

Customization

1. Logon to SAP and delete the unnecessary screen elements on the SAP screen using the clearscreen command.
    
   
    
2. Add an input field with the label IP Address to display the retrieved IP address, as shown below.
    

   //Creates an input field with the label as IP Address to display the IP Address on click. 
    inputfield([1,0], "IP Address", [1,16], {"size":15, "name":"z_ipaddress", "readonly":true});    
   

    
   
    
3. Add a toolbar pushbutton with the label Get IP Address that calls the function getIPAddress to retrieve the current IP address on click, as shown in the following image.
    

   //Creates a toolbar pushbutton with the label Get IP Address displays the location details on click. 
     pushbutton([TOOLBAR], 'Get IP Address', '?',{"process":getIPAddress});    
   

    
   
    
4. Now, add the following Liquid UI script to the above file and save it.
    

   //SAPLSMTR_NAVIGATION.E0100
   load('wscurl');
   
   // Function to check if the string value is blank
   function isBlank(jvar) {
       if (jvar==void 0 || jvar=="" || jvar==null) {
           return true;
       } else {
           return false;
       }
   }
   
   // Function to retrieve IP address using WSCURL
   function getIPAddress(){
       var wsCurl = new Curl();
           
       /* Build the URL to make a call*/
       var completeURL = "http://www.howtofindmyipaddress.com/";
       
       /* This is the URL for your translation request. Note this use is for
        * calls made to Google Translate which returns us the JSON object in string*/
       wsCurl.setopt(Curl.CURLOPT_URL, completeURL);
       
       /* Final step is to call execute to dispatch email. You can check the return
        * code to avoid errata string which can be found from "wsCurl.error" 
        * return value 0 means success*/
       var response = wsCurl.exec();
       var error = wsCurl.error;
       ipaddrline = response.substring(1670,1700);
       
       if(!isBlank(ipaddrline)){
           if(error == 0){
               posStart = ipaddrline.lastIndexOf(">") + 1;
               posEnd = ipaddrline.lastIndexOf("\/") - 1;
               ipaddress = ipaddrline.substring(posStart,posEnd);
               if(isBlank(ipaddress)){
                   message('E: Could not find IP address, change URL');
               } else{
                   set('V[z_ipaddress]','&V[ipaddress]');
               }    
           }    
       } else{
           message('E: Could not find IP address, change URL');
       }
       
       /* Close the http connection for the URL fetch*/
       wsCurl.close();
       
       /* Remove any reference for Garbage Collection*/
       wsCurl= NULL;
   }