Object Oriented Design Examples: Hierarchical_State_Machine::Inservice class Reference

Home What's New EventStudio 2.5 Real-time Mantra Thought Projects Contact Us

Detailed Description

Inservice

Common handling for switchover and Fault Trigger messages is defined.


Public Member Functions
void	On_Switchover (Hierarchical_State_Machine &u, const Message *p_Message)
	Common handling for switchover handling in the Inservice state.
void	On_Fault_Trigger (Hierarchical_State_Machine &u, const Message *p_Message)
	Common handling for fault trigger is received when the unit was in Inservice state.

Member Function Documentation

void Hierarchical_State_Machine::Inservice::On_Switchover	(	Hierarchical_State_Machine &	u,
		const Message *	p_Message
	)	`[virtual]`

Common handling for switchover handling in the Inservice state.

The handler performs the followng actions:

Parameters:

u	Reference to the state machine object
p_Message	Pointer to the message being processed

00072 {
00073     u.Perform_Switchover();
00074     u.Check_Mate_Status();
00075     u.Send_Switchover_Response();
00076 }

void Hierarchical_State_Machine::Inservice::On_Fault_Trigger	(	Hierarchical_State_Machine &	u,
		const Message *	p_Message
	)	`[virtual]`

Common handling for fault trigger is received when the unit was in Inservice state.

The handler performs the following actions:

Change state Suspect as diagnostics need to be run before the unit can be marked inservice.
Send out a diagnostics request to initiate diagnostics
Alarm needs to be raised to indicate that a unit has failed

Parameters:

u	Reference to the state machine object
p_Message	Pointer to the message being processed

00057 {
00058     u.Next_State(u.Suspect_State);
00059     u.Send_Diagnostics_Request();
00060     u.Raise_Alarm(LOSS_OF_REDUNDANCY);
00061 }

Generated on Sun Feb 13 21:30:30 2005 for Object Oriented Design Examples by

1.3.4

Home What's New EventStudio 2.5 Real-time Mantra Thought Projects Contact Us

Hierarchical_State_Machine::Inservice Class Reference