// Walk
status_t
VirtualVolume::Walk(Node* dir, const char* entryName, char** resolvedPath,
vnode_id* vnid)
{
if (dir != fRootNode)
return B_BAD_VALUE;
// get the referred to node ID
AutoLocker<Locker> locker(fLock);
if (strcmp(entryName, ".") == 0) {
*vnid = dir->GetID();
} else if (strcmp(entryName, "..") == 0) {
if (Volume* parentVolume = GetParentVolume())
*vnid = parentVolume->GetRootID();
else
*vnid = dir->GetID();
} else {
Node* node = fRootNode->GetChildNode(entryName);
if (!node)
return B_ENTRY_NOT_FOUND;
*vnid = node->GetID();
}
locker.Unlock();
// get a VFS node reference
Node* dummyNode;
status_t error = GetVNode(*vnid, &dummyNode);
if (error != B_OK)
return error;
return B_OK;
}
// GetVNode
status_t
Volume::GetVNode(Node *node)
{
Node *dummy = NULL;
status_t error = (fMounted ? GetVNode(node->GetID(), &dummy)
: B_BAD_VALUE );
if (error == B_OK && dummy != node) {
FATAL(("Two Nodes have the same ID: %Ld!\n", node->GetID()));
PutVNode(dummy);
error = B_ERROR;
}
return error;
}
// PrepareToUnmount
void
VirtualVolume::PrepareToUnmount()
{
Volume::PrepareToUnmount();
// remove all child volumes
// init a directory iterator
fLock.Lock();
VirtualDirIterator iterator;
iterator.SetDirectory(fRootNode, true);
// iterate through the directory
const char* name;
Node* node;
while (iterator.GetCurrentEntry(&name, &node)) {
iterator.NextEntry();
Volume* volume = fVolumeManager->GetVolume(node->GetID());
fLock.Unlock();
if (volume) {
RemoveChildVolume(volume);
volume->SetUnmounting(true);
volume->PutVolume();
}
fLock.Lock();
}
// uninit the directory iterator
iterator.SetDirectory(NULL);
// remove the our root node
vnode_id rootNodeID = fRootNode->GetID();
fLock.Unlock();
if (GetVNode(rootNodeID, &node) == B_OK) {
Volume::RemoveVNode(rootNodeID);
PutVNode(rootNodeID);
}
}
int Connection::Reconnect()
{
Close();
Connect(GetVNode()->GetAddress(),GetVNode()->GetPort());
SetFlag(WRITABLE_SOCKET||READABLE_SOCKET);
}