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#include "ServiceWatcher.h"
#include <api/service/waservicefactory.h>
static void *GetService(api_service *p_serviceManager, GUID p_serviceGUID)
{
waServiceFactory *sf = p_serviceManager->service_getServiceByGuid( p_serviceGUID);
if (sf)
return sf->getInterface();
else
return 0;
}
static void ReleaseService(api_service *p_serviceManager, GUID p_serviceGUID, void *p_service)
{
waServiceFactory *sf = p_serviceManager->service_getServiceByGuid( p_serviceGUID);
if (sf)
sf->releaseInterface( p_service);
}
void ServiceWatcher::WatchWith(api_service *_serviceApi)
{
serviceManager =_serviceApi;
systemCallbacks=(api_syscb*)GetService( serviceManager, syscbApiServiceGuid);
}
void ServiceWatcher::StopWatching()
{
if (systemCallbacks)
{
systemCallbacks->syscb_deregisterCallback(this);
ReleaseService( serviceManager, syscbApiServiceGuid, systemCallbacks);
}
systemCallbacks=0;
}
void ServiceWatcher::Clear()
{
//watchList.Reset();
watchList.clear();
}
ServiceWatcher::~ServiceWatcher()
{
//StopWatching();
}
void ServiceWatcher::WatchForT(void **ptr, GUID watchGUID)
{
watchList[watchGUID]=ptr;
if (!*ptr) // try to get it if we need it
{
*ptr = GetService( serviceManager, watchGUID);
}
}
int ServiceWatcher::Notify(int msg, intptr_t param1, intptr_t param2)
{
switch (msg)
{
case SvcCallback::ONREGISTER:
{
waServiceFactory *sf = reinterpret_cast<waServiceFactory*>(param2);
GUID serviceGUID = sf->getGuid();
if (serviceGUID != INVALID_GUID)
{
WatchList::iterator itr = watchList.find(serviceGUID);
if (itr!=watchList.end())
{
void **ptr = itr->second;
if (ptr && !*ptr) // don't re-retrieve service if we already have it
{
*ptr = sf->getInterface();
}
}
}
}
break;
case SvcCallback::ONDEREGISTER:
{
waServiceFactory *sf = reinterpret_cast<waServiceFactory*>(param2);
GUID serviceGUID = sf->getGuid();
if (serviceGUID != INVALID_GUID)
{
WatchList::iterator itr = watchList.find(serviceGUID);
if (itr!=watchList.end())
{
void **ptr = itr->second;
if (ptr && *ptr)
{
// benski> probably not safe to do, so i'll leave it commented out: sf->releaseInterface(*ptr);
*ptr = 0;
}
}
}
}
break;
default: return 0;
}
return 1;
}
#define CBCLASS ServiceWatcher
START_DISPATCH;
CB(SYSCALLBACK_GETEVENTTYPE, GetEventType);
CB(SYSCALLBACK_NOTIFY, Notify);
END_DISPATCH;
#undef CBCLASS
ServiceWatcherSingle::~ServiceWatcherSingle()
{
//StopWatching();
}
void ServiceWatcherSingle::StopWatching()
{
if (systemCallbacks)
{
systemCallbacks->syscb_deregisterCallback(this);
ReleaseService( serviceManager, syscbApiServiceGuid, systemCallbacks);
}
systemCallbacks=0;
}
void ServiceWatcherSingle::WatchWith(api_service *_serviceApi)
{
serviceManager =_serviceApi;
systemCallbacks=(api_syscb*)GetService( serviceManager, syscbApiServiceGuid);
}
void ServiceWatcherSingle::WatchForT(void **ptr, GUID watchGUID)
{
service=ptr;
serviceGUID=watchGUID;
if (ptr && !*ptr) // try to get it if we need it
{
*ptr = GetService( serviceManager, watchGUID);
if (*ptr)
OnRegister();
}
}
int ServiceWatcherSingle::Notify(int msg, intptr_t param1, intptr_t param2)
{
switch (msg)
{
case SvcCallback::ONREGISTER:
{
if (service && !*service) // don't re-retrieve service if we already have it
{
waServiceFactory *sf = reinterpret_cast<waServiceFactory*>(param2);
if (sf && sf->getGuid() == serviceGUID)
{
*service = sf->getInterface();
if (*service)
OnRegister();
}
}
}
break;
case SvcCallback::ONDEREGISTER:
{
if (service && *service)
{
waServiceFactory *sf = reinterpret_cast<waServiceFactory*>(param2);
if (serviceGUID == sf->getGuid())
{
OnDeregister();
*service=0;
}
}
}
break;
default: return 0;
}
return 1;
}
#define CBCLASS ServiceWatcherSingle
START_DISPATCH;
CB(SYSCALLBACK_GETEVENTTYPE, GetEventType);
CB(SYSCALLBACK_NOTIFY, Notify);
END_DISPATCH;
#undef CBCLASS
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