fres/ressched/frs.idl

   1 #ifndef _RS_IDL
   2 #define _RS_IDL
   3
   4 #include "../contract/fres_contract_idl.idl"
   5
   6 module fres {
   7         /**
   8          * Interface to the scheduler
   9          *
  10          */
  11         interface resource_scheduler {
  12                 /**
  13                  * Creates or changes VRESes.
  14                  *
  15                  * This method is called after the contracts are
  16                  * negotiated with the resource manager. The manager
  17                  * together with the contract broker ensure that the
  18                  * state after applying the changes specified by @a
  19                  * schedulable_contracts parameter is schedulable. It
  20                  * is up to the scheduler to apply the changes in such
  21                  * way that schedulability is maintained during the
  22                  * change. The changes are received in the same order
  23                  * as returned by the manager, so if the manager
  24                  * already prepares the order of aplying changes, the
  25                  * scheduler can use it.
  26                  *
  27                  * @param schedulable_contracts Contracts for VRESes
  28                  * to be created or (if they already exist)
  29                  * changed.
  30                  *
  31                  * @return Zero on success, non-zero error number in
  32                  * case of error.
  33                  */
  34                 long change_vreses(in contract::ptr_seq schedulable_contracts);
  35                 /**
  36                  * Cancel VRESes given by their IDs.
  37                  *
  38                  * @param ids
  39                  */
  40                 void cancel_vreses(in contract::id_seq ids);
  41         };
  42 };
  43
  44 #endif