/**
* @note Locks this object for writing, together with the peer object (also
* for writing) if there is one.
*/
void USBController::i_commit()
{
/* sanity */
AutoCaller autoCaller(this);
AssertComRCReturnVoid(autoCaller.rc());
/* sanity too */
AutoCaller peerCaller(m->pPeer);
AssertComRCReturnVoid(peerCaller.rc());
/* lock both for writing since we modify both (mPeer is "master" so locked
* first) */
AutoMultiWriteLock2 alock(m->pPeer, this COMMA_LOCKVAL_SRC_POS);
if (m->bd.isBackedUp())
{
m->bd.commit();
if (m->pPeer)
{
/* attach new data to the peer and reshare it */
AutoWriteLock peerlock(m->pPeer COMMA_LOCKVAL_SRC_POS);
m->pPeer->m->bd.attach(m->bd);
}
}
}
/**
* @note Locks this object for writing, together with the peer object (also
* for writing) if there is one.
*/
void USBController::commit()
{
/* sanity */
AutoCaller autoCaller(this);
AssertComRCReturnVoid (autoCaller.rc());
/* sanity too */
AutoCaller peerCaller(m->pPeer);
AssertComRCReturnVoid (peerCaller.rc());
/* lock both for writing since we modify both (mPeer is "master" so locked
* first) */
AutoMultiWriteLock2 alock(m->pPeer, this COMMA_LOCKVAL_SRC_POS);
if (m->bd.isBackedUp())
{
m->bd.commit();
if (m->pPeer)
{
/* attach new data to the peer and reshare it */
AutoWriteLock peerlock(m->pPeer COMMA_LOCKVAL_SRC_POS);
m->pPeer->m->bd.attach(m->bd);
}
}
#ifdef VBOX_WITH_USB
bool commitFilters = false;
if (m->llDeviceFilters.isBackedUp())
{
m->llDeviceFilters.commit();
/* apply changes to peer */
if (m->pPeer)
{
AutoWriteLock peerlock(m->pPeer COMMA_LOCKVAL_SRC_POS);
/* commit all changes to new filters (this will reshare data with
* peers for those who have peers) */
DeviceFilterList *newList = new DeviceFilterList();
DeviceFilterList::const_iterator it = m->llDeviceFilters->begin();
while (it != m->llDeviceFilters->end())
{
(*it)->commit();
/* look if this filter has a peer filter */
ComObjPtr<USBDeviceFilter> peer = (*it)->peer();
if (!peer)
{
/* no peer means the filter is a newly created one;
* create a peer owning data this filter share it with */
peer.createObject();
peer->init(m->pPeer, *it, true /* aReshare */);
}
else
{
/* remove peer from the old list */
m->pPeer->m->llDeviceFilters->remove(peer);
}
/* and add it to the new list */
newList->push_back (peer);
++ it;
}
/* uninit old peer's filters that are left */
it = m->pPeer->m->llDeviceFilters->begin();
while (it != m->pPeer->m->llDeviceFilters->end())
{
(*it)->uninit();
++ it;
}
/* attach new list of filters to our peer */
m->pPeer->m->llDeviceFilters.attach(newList);
}
else
{
/* we have no peer (our parent is the newly created machine);
* just commit changes to filters */
commitFilters = true;
}
}
else
{
/* the list of filters itself is not changed,
* just commit changes to filters themselves */
commitFilters = true;
}
if (commitFilters)
{
DeviceFilterList::const_iterator it = m->llDeviceFilters->begin();
while (it != m->llDeviceFilters->end())
{
(*it)->commit();
++ it;
}
}
#endif /* VBOX_WITH_USB */
}
