diff options
Diffstat (limited to 'modules/CIAO/examples/Display/RateGen/RateGen_exec.cpp')
| -rw-r--r-- | modules/CIAO/examples/Display/RateGen/RateGen_exec.cpp | 332 |
1 files changed, 332 insertions, 0 deletions
diff --git a/modules/CIAO/examples/Display/RateGen/RateGen_exec.cpp b/modules/CIAO/examples/Display/RateGen/RateGen_exec.cpp new file mode 100644 index 00000000000..a03c7bc3acc --- /dev/null +++ b/modules/CIAO/examples/Display/RateGen/RateGen_exec.cpp @@ -0,0 +1,332 @@ +// $Id$ + +#include "RateGen_exec.h" +#include "CIAO_common.h" +#include "ace/Timer_Queue.h" +#include "ace/Reactor.h" + +//================================================================= + +MyImpl::Pulse_Handler::Pulse_Handler (MyImpl::RateGen_exec_i *cb) + : active_ (0), + done_ (0), + tid_ (0), + pulse_callback_ (cb) +{ + // Nothing + this->reactor (new ACE_Reactor); +} + +MyImpl::Pulse_Handler::~Pulse_Handler () +{ + delete this->reactor (); + this->reactor (0); +} + +int +MyImpl::Pulse_Handler::open_h () +{ + return this->activate (); +} + +int +MyImpl::Pulse_Handler::close_h () +{ + this->done_ = 1; + this->reactor ()->notify (); + + if (CIAO::debug_level () > 0) + { + ACE_DEBUG ((LM_DEBUG, "Waiting\n")); + } + + return this->wait (); +} + +int +MyImpl::Pulse_Handler::start (CORBA::Long hertz) +{ + if (hertz == 0 || this->active_ != 0) // Not valid + { + return -1; + } + + long usec = 1000000 / hertz; + + this->tid_ = this->reactor ()->schedule_timer (this, + 0, + ACE_Time_Value (0, usec), + ACE_Time_Value (0, usec)); + + this->active_ = 1; + return 0; +} + +int +MyImpl::Pulse_Handler::stop (void) +{ + if (this->active_ == 0) // Not valid. + { + return -1; + } + + this->reactor ()->cancel_timer (this); + + this->active_ = 0; + return 0; +} + +int +MyImpl::Pulse_Handler::active (void) +{ + return this->active_; +} + +int +MyImpl::Pulse_Handler::handle_close (ACE_HANDLE handle, + ACE_Reactor_Mask close_mask) +{ + if (CIAO::debug_level () > 0) + { + ACE_DEBUG ((LM_DEBUG, + ACE_TEXT ("[%x] handle = %d, close_mask = %d\n"), + this, + handle, + close_mask)); + } + + return 0; +} + +int +MyImpl::Pulse_Handler::handle_timeout (const ACE_Time_Value &, + const void *) +{ + this->pulse_callback_->pulse (); + +// ACE_DEBUG ((LM_DEBUG, +// ACE_TEXT ("[%x] with count #%05d timed out at %d.%d!\n"), +// this, +// tv.sec (), +// tv.usec ())); + + return 0; +} + +int +MyImpl::Pulse_Handler::svc (void) +{ + this->reactor ()->owner (ACE_OS::thr_self ()); + + while (!this->done_) + { + this->reactor ()->handle_events (); + } + + return 0; +} + +//================================================================= + +MyImpl::RateGen_exec_i::RateGen_exec_i () + : hertz_ (0), + pulser_ (this) +{ + +} + +MyImpl::RateGen_exec_i::RateGen_exec_i (CORBA::Long hz) + : hertz_ (hz), + pulser_ (this) +{ +} + +MyImpl::RateGen_exec_i::~RateGen_exec_i () +{ +} + +CORBA::Long +MyImpl::RateGen_exec_i::hertz () + ACE_THROW_SPEC ((CORBA::SystemException)) +{ + return this->hertz_; +} + +void +MyImpl::RateGen_exec_i::hertz (CORBA::Long hertz) + ACE_THROW_SPEC ((CORBA::SystemException)) +{ + this->hertz_ = hertz; +} + +// Operations from supported interface(s) + +void +MyImpl::RateGen_exec_i::start () + ACE_THROW_SPEC ((CORBA::SystemException)) +{ + if (this->hertz_ == 0 || this->pulser_.active()) + { + throw CORBA::BAD_INV_ORDER (); + } + + // @@ Start the rate generator + this->pulser_.start (this->hertz_); +} + +void +MyImpl::RateGen_exec_i::stop () + ACE_THROW_SPEC ((CORBA::SystemException)) +{ + if (! this->pulser_.active ()) + { + throw CORBA::BAD_INV_ORDER (); + } + + // @@ stop the rate generator + this->pulser_.stop (); +} + +CORBA::Boolean +MyImpl::RateGen_exec_i::active () + ACE_THROW_SPEC ((CORBA::SystemException)) +{ + return this->pulser_.active (); +} + +// Operations from Components::SessionComponent + +void +MyImpl::RateGen_exec_i::set_session_context ( + Components::SessionContext_ptr ctx + ) + ACE_THROW_SPEC ((CORBA::SystemException, + Components::CCMException)) +{ + if (CIAO::debug_level () > 0) + { + ACE_DEBUG ((LM_DEBUG, + "MyImpl::RateGen_exec_i::set_session_context\n")); + } + + this->context_ = + HUDisplay::CCM_RateGen_Context::_narrow (ctx); + + if (CORBA::is_nil (this->context_.in ())) + { + throw CORBA::INTERNAL (); + } + // Urm, we actually discard exceptions thown from this operation. + +} + +void +MyImpl::RateGen_exec_i::ciao_preactivate () + ACE_THROW_SPEC ((CORBA::SystemException, + Components::CCMException)) +{ +} + +void +MyImpl::RateGen_exec_i::ccm_activate () + ACE_THROW_SPEC ((CORBA::SystemException, + Components::CCMException)) +{ + if (CIAO::debug_level () > 0) + { + ACE_DEBUG ((LM_DEBUG, + "MyImpl::RateGen_exec_i::ccm_activate\n")); + } + + this->pulser_.open_h (); +} + +void +MyImpl::RateGen_exec_i::ciao_postactivate () + ACE_THROW_SPEC ((CORBA::SystemException, + Components::CCMException)) +{ +} + +void +MyImpl::RateGen_exec_i::ccm_passivate () + ACE_THROW_SPEC ((CORBA::SystemException, + Components::CCMException)) +{ + if (CIAO::debug_level () > 0) + { + ACE_DEBUG ((LM_DEBUG, + "MyImpl::RateGen_exec_i::ccm_passivate\n")); + } + + this->pulser_.close_h (); +} + +void +MyImpl::RateGen_exec_i::ccm_remove () + ACE_THROW_SPEC ((CORBA::SystemException, + Components::CCMException)) +{ + if (CIAO::debug_level () > 0) + { + ACE_DEBUG ((LM_DEBUG, + "MyImpl::RateGen_exec_i::ccm_remove\n")); + } +} + +void +MyImpl::RateGen_exec_i::pulse (void) +{ + try + { +// if (CIAO::debug_level () > 0) +// { +// ACE_DEBUG ((LM_DEBUG, +// ACE_TEXT ("Pushing HUDisplay::tick event!\n"))); +// } + + HUDisplay::tick_var ev = new OBV_HUDisplay::tick (); + + this->context_->push_Pulse (ev.in ()); + } + catch (const CORBA::Exception&) + { + // @@ do nothing? + } + +} + +MyImpl::RateGenHome_exec_i::RateGenHome_exec_i () +{ +} + +MyImpl::RateGenHome_exec_i::~RateGenHome_exec_i () +{ +} + +::Components::EnterpriseComponent_ptr +MyImpl::RateGenHome_exec_i::new_RateGen (CORBA::Long /* hertz */) + ACE_THROW_SPEC ((CORBA::SystemException)) +{ + Components::EnterpriseComponent_ptr tmp = 0; + ACE_NEW_THROW_EX (tmp, + MyImpl::RateGen_exec_i, + CORBA::NO_MEMORY ()); + + return tmp; +} + +::Components::EnterpriseComponent_ptr +MyImpl::RateGenHome_exec_i::create () + ACE_THROW_SPEC ((CORBA::SystemException, + Components::CCMException)) +{ + return new MyImpl::RateGen_exec_i (); +} + + +extern "C" RATEGEN_EXEC_Export ::Components::HomeExecutorBase_ptr +createRateGenHome_Impl (void) +{ + return new MyImpl::RateGenHome_exec_i (); +} |