132 lines
3.6 KiB
C
132 lines
3.6 KiB
C
|
/*
|
||
|
|
* REVISIONS:
|
||
|
|
* xxxddMMMyy
|
||
|
|
* sja09Dec92 - Poll method made public for Windows 3.1
|
||
|
|
* pcy14Dec92 - ZERO changed to APCZERO
|
||
|
|
* ajr08Mar93: added C_UNIX to single SINGLETHREADED
|
||
|
|
* pcy21Apr93: OS2 FE merge
|
||
|
|
* pcy14May93: Added Set(PTransactionGroup)
|
||
|
|
* tje01Jun93: Moved SINGLETHREADED to cdefine.h
|
||
|
|
* cad09Jul93: using new semaphores
|
||
|
|
* cad03Sep93: made more methods virtual
|
||
|
|
* cad08Sep93: Protected the event list
|
||
|
|
* cad14Sep93: Cleaning up theState
|
||
|
|
* cad17Nov93: publicized haslostcomm method
|
||
|
|
* mwh18Nov93: changed EventID to INT
|
||
|
|
* cad11Jan94: moved const/dest to .cxx
|
||
|
|
* ajr16Feb94: Added default id to SubmitList.
|
||
|
|
* ajr16Feb94: Added writeUpsOffFile() protected member function.
|
||
|
|
* mwh05May94: #include file madness , part 2
|
||
|
|
* srt24Oct96: Added an abort semaphore
|
||
|
|
* tjg26Jan98: Added Stop method
|
||
|
|
* tjg02Mar98: Removed Stop method (dead code)
|
||
|
|
*/
|
||
|
|
#ifndef _INC__CDEVICE_H
|
||
|
|
#define _INC__CDEVICE_H
|
||
|
|
|
||
|
|
_CLASSDEF(CommDevice)
|
||
|
|
_CLASSDEF(PollLoop)
|
||
|
|
|
||
|
|
#include "apc.h"
|
||
|
|
#include "update.h"
|
||
|
|
#include "thrdable.h"
|
||
|
|
#include "apcsemnt.h"
|
||
|
|
|
||
|
|
extern "C" {
|
||
|
|
#include <time.h>
|
||
|
|
}
|
||
|
|
|
||
|
|
_CLASSDEF(Message)
|
||
|
|
_CLASSDEF(ProtectedList)
|
||
|
|
_CLASSDEF(ListIterator)
|
||
|
|
_CLASSDEF(TransactionGroup)
|
||
|
|
_CLASSDEF(Controller)
|
||
|
|
_CLASSDEF(Protocol)
|
||
|
|
_CLASSDEF(Stream)
|
||
|
|
_CLASSDEF(MutexLock)
|
||
|
|
_CLASSDEF(Thread)
|
||
|
|
_CLASSDEF(List)
|
||
|
|
_CLASSDEF(CommDevice)
|
||
|
|
|
||
|
|
|
||
|
|
// Values for theState
|
||
|
|
//
|
||
|
|
#define NORMAL_STATE 0
|
||
|
|
#define RETRYING 2
|
||
|
|
#define COMM_STOPPED 3
|
||
|
|
#define PAUSE_POLLING 4
|
||
|
|
|
||
|
|
#define FOURSECONDS 4000
|
||
|
|
|
||
|
|
class CommDevice : public UpdateObj
|
||
|
|
{
|
||
|
|
|
||
|
|
public:
|
||
|
|
CommDevice(PController control);
|
||
|
|
virtual ~CommDevice();
|
||
|
|
|
||
|
|
PController GetController(VOID) {return theController;};
|
||
|
|
PProtocol GetProtocol(VOID) {return theProtocol;};
|
||
|
|
PStream GetPort(VOID) {return thePort;};
|
||
|
|
INT HasLostComm(VOID) {return theLostCommFlag;};
|
||
|
|
|
||
|
|
virtual INT Equal(RObj item) const;
|
||
|
|
virtual INT RegisterEvent(INT event, PUpdateObj object);
|
||
|
|
virtual INT UnregisterEvent(INT event, PUpdateObj object);
|
||
|
|
virtual INT Initialize(VOID);
|
||
|
|
virtual INT Set(INT pid, const PCHAR value);
|
||
|
|
virtual INT Set(PTransactionGroup agroup);
|
||
|
|
virtual INT Get(INT pid, PCHAR value);
|
||
|
|
virtual INT Get(PTransactionGroup agroup);
|
||
|
|
virtual INT Update(PEvent anEvent);
|
||
|
|
virtual INT IsA() const {return COMMDEVICE;};
|
||
|
|
virtual VOID OkToPoll(VOID);
|
||
|
|
virtual INT Poll(VOID);
|
||
|
|
|
||
|
|
protected:
|
||
|
|
PApcSemaphore theAbortSem;
|
||
|
|
PProtectedList thePollList;
|
||
|
|
PListIterator thePollIterator;
|
||
|
|
PTransactionGroup theCurrentTransaction;
|
||
|
|
time_t pollStartTime;
|
||
|
|
INT theSleepingFlag;
|
||
|
|
INT thePollIsDone;
|
||
|
|
PProtectedList theEventList;
|
||
|
|
PListIterator theEventIterator;
|
||
|
|
INT theState;
|
||
|
|
PController theController;
|
||
|
|
PProtocol theProtocol;
|
||
|
|
PStream thePort;
|
||
|
|
PMutexLock theAskLock;
|
||
|
|
LONG thePollInterval;
|
||
|
|
INT theLostCommFlag;
|
||
|
|
|
||
|
|
PThread thePollThread;
|
||
|
|
virtual INT CreatePort() = 0;
|
||
|
|
virtual INT CreateProtocol() = 0;
|
||
|
|
INT SubmitList(PList msglist,INT id=-1);
|
||
|
|
INT HandleEvents();
|
||
|
|
INT Retry();
|
||
|
|
virtual INT AskUps(PMessage msg) = 0;
|
||
|
|
virtual VOID StartPollThread();
|
||
|
|
VOID Access();
|
||
|
|
VOID Release();
|
||
|
|
|
||
|
|
|
||
|
|
friend class PollLoop;
|
||
|
|
};
|
||
|
|
|
||
|
|
class PollLoop : public Threadable
|
||
|
|
{
|
||
|
|
public:
|
||
|
|
PollLoop (PCommDevice aDevice);
|
||
|
|
virtual ~PollLoop ();
|
||
|
|
|
||
|
|
virtual VOID ThreadMain(VOID);
|
||
|
|
|
||
|
|
protected:
|
||
|
|
PCommDevice theDevice;
|
||
|
|
};
|
||
|
|
|
||
|
|
#endif
|