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Diffstat (limited to 'trunk/CIAO/examples/Display/RateGen/RateGen_exec.h')
-rw-r--r-- | trunk/CIAO/examples/Display/RateGen/RateGen_exec.h | 188 |
1 files changed, 188 insertions, 0 deletions
diff --git a/trunk/CIAO/examples/Display/RateGen/RateGen_exec.h b/trunk/CIAO/examples/Display/RateGen/RateGen_exec.h new file mode 100644 index 00000000000..b6b8031c3bf --- /dev/null +++ b/trunk/CIAO/examples/Display/RateGen/RateGen_exec.h @@ -0,0 +1,188 @@ +// $Id$ + +/** + * @file RateGen_exec.h + * + * Header file for the actualy RateGen and RateGenHome component + * implementation. + * + * @author Nanbor Wang <nanbor@cse.wustl.edu> + */ + +#ifndef RATEGEN_EXEC_H +#define RATEGEN_EXEC_H + +#include "RateGen_exec_export.h" +#include "RateGenEC.h" +#include "tao/LocalObject.h" +#include "ace/Thread_Manager.h" +#include "ace/Task.h" + +namespace MyImpl +{ + // Forward decl. + class RateGen_exec_i; + + /** + * @brief Active pulse generater + */ + class Pulse_Handler : public ACE_Task_Base + { + public: + // Default constructor + Pulse_Handler (RateGen_exec_i *cb); + ~Pulse_Handler (); + + int open_h (void); + + int close_h (void); + + int start (CORBA::Long hertz); + + int stop (void); + + int active (void); + + // Handle the timeout. + virtual int handle_timeout (const ACE_Time_Value &tv, + const void *arg); + + // Called when <Time_Handler> is removed. + virtual int handle_close (ACE_HANDLE handle, + ACE_Reactor_Mask close_mask); + + virtual int svc (void); + + private: + /// Tracking whether we are actively generating pulse or not. + long active_; + + /// Flag to indicate completion of this active object. + int done_; + + /// The timer id we are waiting. + long tid_; + + RateGen_exec_i *pulse_callback_; + + ACE_Thread_Manager thr_mgr_; + }; + + /** + * @class RateGen_exec_i + * + * RateGen executor implementation class. + */ + class RATEGEN_EXEC_Export RateGen_exec_i : + public virtual CIDL_RateGen_Impl::RateGen_exec, + public virtual TAO_Local_RefCounted_Object + { + public: + /// Default constructor. + RateGen_exec_i (); + + /// Initialize with a default frequency. + RateGen_exec_i (CORBA::Long hz); + + /// Default destructor. + ~RateGen_exec_i (); + + // Attribute operations. + + virtual CORBA::Long hertz (ACE_ENV_SINGLE_ARG_DECL_WITH_DEFAULTS) + ACE_THROW_SPEC ((CORBA::SystemException)); + + virtual void hertz (CORBA::Long hertz + ACE_ENV_ARG_DECL_WITH_DEFAULTS) + ACE_THROW_SPEC ((CORBA::SystemException)); + + // Operations from supported interface(s) + + virtual void start (ACE_ENV_SINGLE_ARG_DECL_WITH_DEFAULTS) + ACE_THROW_SPEC ((CORBA::SystemException)); + + virtual void stop (ACE_ENV_SINGLE_ARG_DECL_WITH_DEFAULTS) + ACE_THROW_SPEC ((CORBA::SystemException)); + + virtual CORBA::Boolean active (ACE_ENV_SINGLE_ARG_DECL_WITH_DEFAULTS) + ACE_THROW_SPEC ((CORBA::SystemException)); + + // Operations from Components::SessionComponent + + virtual void set_session_context (Components::SessionContext_ptr ctx + ACE_ENV_ARG_DECL_WITH_DEFAULTS) + ACE_THROW_SPEC ((CORBA::SystemException, + Components::CCMException)); + + virtual void ciao_preactivate (ACE_ENV_SINGLE_ARG_DECL_WITH_DEFAULTS) + ACE_THROW_SPEC ((CORBA::SystemException, + Components::CCMException)); + + virtual void ccm_activate (ACE_ENV_SINGLE_ARG_DECL_WITH_DEFAULTS) + ACE_THROW_SPEC ((CORBA::SystemException, + Components::CCMException)); + + virtual void ciao_postactivate (ACE_ENV_SINGLE_ARG_DECL_WITH_DEFAULTS) + ACE_THROW_SPEC ((CORBA::SystemException, + Components::CCMException)); + + virtual void ccm_passivate (ACE_ENV_SINGLE_ARG_DECL_WITH_DEFAULTS) + ACE_THROW_SPEC ((CORBA::SystemException, + Components::CCMException)); + + virtual void ccm_remove (ACE_ENV_SINGLE_ARG_DECL_WITH_DEFAULTS) + ACE_THROW_SPEC ((CORBA::SystemException, + Components::CCMException)); + + /// Helper function to be called back by Pulse_Handler + void pulse (void); + + protected: + /// Frequency + CORBA::Long hertz_; + + /// Copmponent specific context + HUDisplay::CCM_RateGen_Context_var context_; + + /// An active object that actually trigger the generation of + /// periodic events. + Pulse_Handler pulser_; + }; + + /** + * @class RateGenHome_exec_i + * + * RateGen home executor implementation class. + */ + class RATEGEN_EXEC_Export RateGenHome_exec_i : + public virtual HUDisplay::CCM_RateGenHome, + public virtual TAO_Local_RefCounted_Object + { + public: + /// Default ctor. + RateGenHome_exec_i (); + + /// Default dtor. + ~RateGenHome_exec_i (); + + // Explicit home operations. + + virtual ::Components::EnterpriseComponent_ptr + new_RateGen (CORBA::Long hertz + ACE_ENV_ARG_DECL_WITH_DEFAULTS) + ACE_THROW_SPEC ((CORBA::SystemException)); + + // Implicit home operations. + + virtual ::Components::EnterpriseComponent_ptr + create (ACE_ENV_SINGLE_ARG_DECL_WITH_DEFAULTS) + ACE_THROW_SPEC ((CORBA::SystemException, + Components::CCMException)); + }; + +} + +extern "C" RATEGEN_EXEC_Export ::Components::HomeExecutorBase_ptr +createRateGenHome_Impl (void); + +#endif /* RATEGEN_EXEC_H */ |