A persistent CGI, each time it is called, must compute a unique session identifier to be used as a handle to recall it back on the next user transaction. Click here to know more about persistent CGI requirements.

A random integer generation function may help in computing such unique session ID. Click to see how to compute a random integer.

Mel's service program includes also function getSessionID. This function returns a 15-character string made of

• the six characters of the job number
• nine random digits.

 /copy mysrclib/qrpglesrc,hspecs
 /copy mysrclib/qrpglesrc,hspecsbnd
 * Variables common to all CGIs
 /copy mysrclib/qrpglesrc,prototypeb
 /copy mysrclib/qrpglesrc,usec
 /copy mysrclib/qrpglesrc,variables(1, or 2, or 3)
 *          ... etc. ...
 * Example of computing a Session ID
C                   eval      sessionid = getsessionid