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// IBM_PROLOG_BEGIN_TAG
// This is an automatically generated prolog.
//
// $Source: src/usr/diag/mdia/mdiasm.H $
//
// IBM CONFIDENTIAL
//
// COPYRIGHT International Business Machines Corp. 2012
//
// p1
//
// Object Code Only (OCO) source materials
// Licensed Internal Code Source Materials
// IBM HostBoot Licensed Internal Code
//
// The source code for this program is not published or other-
// wise divested of its trade secrets, irrespective of what has
// been deposited with the U.S. Copyright Office.
//
// Origin: 30
//
// IBM_PROLOG_END
#ifndef __MDIA_MDIASM_H
#define __MDIA_MDIASM_H
/**
* @file mdiasm.H
* @brief mdia state machine definition
*/
#include <vector>
#include <util/threadpool.H>
#include "sys/sync.h"
#include "mdiafwd.H"
namespace MDIA
{
/**
* @brief memory diagnostics step state machine
*/
class StateMachine
{
public:
/**
* @brief used by Maint cmd monitor to notify that
* maint cmd timed out - called in monitor thread context
*
* @param[in] i_monitorIDs Vector of monitorIDs
*/
virtual void processCommandTimeout(
const std::vector<uint64_t> & i_monitorIDs) {}
/**
* @brief run the state machine to completion
*
* @param[in] i_list array of target / workFlow associations
*
* @retval 0 no errors
* @retval !0 error occurred
*/
errlHndl_t run(const WorkFlowAssocMap & i_list);
/**
* @brief shutdown state machine
*/
void shutdown();
/**
* @brief processMaintCommandEvent process maint command event from prd
*
* @param[in] i_event the event to be processed
*
* @retval true a work item was dispatched
* @retval false a work item was not dispatched
*/
bool processMaintCommandEvent(const MaintCommandEvent & i_event);
/**
* @brief ctor
*/
StateMachine();
/**
* @brief dtor
*/
virtual ~StateMachine();
private:
/**
* @brief aliases
*/
typedef std::vector<WorkFlowProperties *> WorkFlowPropertiesList;
typedef std::vector<WorkFlowProperties *>::iterator WorkFlowPropertiesIterator;
/**
* @brief setup load the workflow properties for the provided
* target / workflow association(s)
*
* @param[in] i_list target / workflow association(s) for which
* to load the workflow properties
*/
void setup(const WorkFlowAssocMap & i_list);
/**
* @brief start start the machine thread pool and start
* dispatching work items
*/
void start();
/**
* @brief wait wait for a started state machine to run to
* completion
*/
void wait();
/**
* @brief reset internal state
*/
void reset();
/**
* @brief workItemIsAsync test the workflow properties
* for an async work item
*
* @param[in] i_wfp the workflow properties to test for async
*
* @retval false work item is synch
* @retval true work item is async
*/
static bool workItemIsAsync(WorkFlowProperties & i_wfp);
/**
* @brief allWorkFlowsComplete check to see if all workflows are
* finished
*
* @retval true all work flows are finished
* @retval false all work flows are not finished
*/
bool allWorkFlowsComplete();
/**
* @brief scheduleWorkItem
*
* @param[in] i_wfp the target for which a work item should be scheduled
*
* @retval true work item was dispatched
* @retval false work item was not dispatched
*/
bool scheduleWorkItem(WorkFlowProperties & i_wfp);
/**
* @brief doMaintCommand maint command work item handler
*
* determine the correct command and issue it
*
* @param[in] i_wfp the target for which a command should be issued
*/
errlHndl_t doMaintCommand(WorkFlowProperties & i_wfp);
/**
* @brief executeWorkItem work item entry point for
* pool threads
*
* @param[in] i_wfp the work item to be executed
*
* @retval true next work item was dispatched
* @retval false next work item was not dispatched
*/
bool executeWorkItem(WorkFlowProperties * i_wfp);
/**
* @brief create and start command monitor if not
* done already
*
* @retval command monitor reference
*/
CommandMonitor & getMonitor();
/**
* @brief workFlow properties
*/
WorkFlowPropertiesList iv_workFlowProperties;
/**
* @brief overall status condition
*/
bool iv_done;
/**
* @brief thread pool
*/
Util::ThreadPool<WorkItem> * iv_tp;
/**
* @brief command monitor
*/
CommandMonitor * iv_monitor;
/**
* @brief serialization mutex
*/
mutex_t iv_mutex;
/**
* @brief completion condition
*/
sync_cond_t iv_cond;
/**
* @brief copy disabled
*/
StateMachine(const StateMachine &);
/**
* @brief assignment disabled
*/
StateMachine & operator=(const StateMachine &);
/**
* @brief provide internal access to unit test
*/
friend class ::MdiaSmTest;
/**
* @brief provide internal access to WorkItem
*/
friend class WorkItem;
};
}
#endif
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