Routing based on value of cookie

when CLIENT_ACCEPTED {
   set default_pool [LB::server pool]
}
when HTTP_REQUEST {

   log local0. "Cookie: [HTTP::cookie value "OracleCookie"]"
    Try to select a pool based on the http cookie containing pool information 
   if { [HTTP::cookie value "OracleCookie"] ne "" }{
      switch [HTTP::cookie value "OracleCookie"] {
         "OraA" {
            pool Pool-A
            log local0. "Using INTB-Pool-A"
         }
         "OraB" {
            pool Pool-B
            log local0. "Using INTB-Pool-B"
         }
         "OraC" {
            pool Pool-C
            log local0. "Using INTB-Pool-C"
         }
         "OraD" {
            pool Pool-D
            log local0. "Using INTB-Pool-D"
         }
         default {
            pool $default_pool
            log local0. "Using $default_pool"
         }
      }
   }
}