* Copyright 2013 Haiku, Inc. All rights reserved.
* Distributed under the terms of the MIT License.
*
* Authors:
* Paweł Dziepak, pdziepak@quarnos.org
*/
#include "InodeIdMap.h"
status_t
InodeIdMap::AddName(FileInfo& fileInfo, InodeNames* parent,
const char* name, ino_t id)
{
MutexLocker _(fLock);
AVLTreeMap<ino_t, FileInfo>::Iterator iterator = fMap.Find(id);
if (iterator.HasCurrent()) {
if (fileInfo.fHandle == iterator.Current().fHandle) {
return iterator.CurrentValuePointer()->fNames->AddName(parent,
name);
}
}
fMap.Remove(id);
fileInfo.fNames = new InodeNames;
if (fileInfo.fNames == NULL)
return B_NO_MEMORY;
fileInfo.fNames->fHandle = fileInfo.fHandle;
status_t result = fileInfo.fNames->AddName(parent, name);
if (result != B_OK) {
delete fileInfo.fNames;
return result;
}
return fMap.Insert(id, fileInfo);
}
bool
InodeIdMap::RemoveName(ino_t id, InodeNames* parent, const char* name)
{
ASSERT(name != NULL);
MutexLocker _(fLock);
AVLTreeMap<ino_t, FileInfo>::Iterator iterator = fMap.Find(id);
if (!iterator.HasCurrent())
return true;
FileInfo* fileInfo = iterator.CurrentValuePointer();
return fileInfo->fNames->RemoveName(parent, name);
}
status_t
InodeIdMap::RemoveEntry(ino_t id)
{
MutexLocker _(fLock);
return fMap.Remove(id);
}
status_t
InodeIdMap::GetFileInfo(FileInfo* fileInfo, ino_t id)
{
ASSERT(fileInfo != NULL);
MutexLocker _(fLock);
AVLTreeMap<ino_t, FileInfo>::Iterator iterator = fMap.Find(id);
if (!iterator.HasCurrent())
return B_ENTRY_NOT_FOUND;
*fileInfo = iterator.Current();
if (fileInfo->fNames->fNames.IsEmpty())
return B_ENTRY_NOT_FOUND;
return B_OK;
}
void
InodeIdMap::Dump(void (*xprintf)(const char*, ...))
{
MutexLocker locker;
if (xprintf != kprintf)
locker.SetTo(fLock, false);
_DumpLocked(xprintf);
return;
}
void
InodeIdMap::_DumpLocked(void (*xprintf)(const char*, ...)) const
{
xprintf("InodeIdMap at %p\n", this);
xprintf("\tino\thandle\n");
AVLTreeMap<ino_t, FileInfo>::ConstIterator iterator = fMap.GetIterator();
for (iterator.Next(); iterator.HasNext(); iterator.Next()) {
ino_t ino = iterator.CurrentKey();
xprintf("\t%" B_PRIdINO "\t", ino);
const FileInfo* fileInfo = iterator.CurrentValuePointer();
if (fileInfo != NULL)
fileInfo->fHandle.Dump(xprintf);
}
return;
}
