module toaster {

      yang-version 1;

      namespace "http://netconfcentral.org/ns/toaster";

      prefix "toast";

      organization "Netconf Central";

      contact "Andy Bierman <andy@netconfcentral.org>";

      description "YANG version of the TOASTER-MIB.";

      revision "2009-11-20" {
         description "Toaster module in progress.";
      }


      identity toast-type {
         description
            "Base for all bread types supported by the toaster.
            New bread types not listed here nay be added in the 
            future.";
      }

      identity white-bread {
         base toast:toast-type;
         description "White bread.";
      }

      identity wheat-bread {
         base toast-type;
         description "Wheat bread.";
      }

      identity wonder-bread {
         base toast-type;
         description "Wonder bread.";
      }

      identity frozen-waffle {
         base toast-type;
         description "Frozen waffle.";
      }

      identity frozen-bagel {
         base toast-type;
         description "Frozen bagel.";
      }

      identity hash-brown {
         base toast-type;
         description "Hash browned potatos.";
      }

      typedef DisplayString {
         type string {
            length "0 .. 255";
         }
         description
            "YANG version of the SMIv2 DisplayString TEXTUAL-CONVENTION.";
         reference
            "RFC 2579, section 2.";

      }

      container toaster {
         presence
            "Indicates the toaster service is available";
         description
            "Top-level container for all toaster database objects.";
         leaf toasterManufacturer {
            type DisplayString;
            config "false";
            mandatory "true";
            description
               "The name of the toaster's manufacturer. For instance, 
                Microsoft Toaster.";
         }

         leaf toasterModelNumber {
            type DisplayString;
            config "false";
            mandatory "true";
            description
               "The name of the toaster's model. For instance,
               Radiant Automatic.";
         }

         leaf toasterStatus {
            type enumeration {
               enum "up" {
                  value 1;
                  description
                     "The toaster knob position is up.
                      No toast is being made now.";
               }
               enum "down" {
                  value 2;
                  description
                     "The toaster knob position is down.
                      Toast is being made now.";
               }
            }
            config "false";
            mandatory "true";
            description
               "This variable indicates the current state of 
               the toaster.";
         }
      }  // container toaster

      rpc make-toast {
         description
            "Make some toast.
            The toastDone notification will be sent when 
            the toast is finished.
            An 'in-use' error will be returned if toast
            is already being made.
            A 'resource-denied' error will be returned 
            if the toaster service is disabled.";
         input {
            leaf toasterDoneness {
               type uint32 {
                  range "1 .. 10";
               }
               default "5";
               description
                  "This variable controls how well-done is the 
                  ensuing toast. It should be on a scale of 1 to 10.
                  Toast made at 10 generally is considered unfit 
                  for human consumption; toast made at 1 is warmed 
                  lightly.";
            }

            leaf toasterToastType {
               type identityref {
                  base toast:toast-type;
               }
               default "toast:wheat-bread";
               description
                  "This variable informs the toaster of the type of 
                  material that is being toasted. The toaster 
                  uses this information, combined with 
                  toasterDoneness, to compute for how 
                  long the material must be toasted to achieve 
                  the required doneness.";
            }
         }
      }  // rpc make-toast

      rpc cancel-toast {
         description
            "Stop making toast, if any is being made.
            A 'resource-denied' error will be returned 
            if the toaster service is disabled.";
      }  // rpc cancel-toast

      notification toastDone {
         description
            "Indicates that the toast in progress has completed.";
         leaf toastStatus {
            type enumeration {
               enum "done" {
                  value 0;
                  description "The toast is done.";
               }
               enum "cancelled" {
                  value 1;
                  description "The toast was cancelled.";
               }
               enum "error" {
                  value 2;
                  description
                     "The toaster service was disabled or
                     the toaster is broken.";
               }
            }
            description "Indicates the final toast status";
         }
      }  // notification toastDone
   }  // module toaster