def mkdir(self,foldername,frominode):
if not primitiveFunc.checkValidFilename(foldername):
raise ex.exception_folder.invalidFilenameException(u"invalid filename @ mkdir")
par=fd.getInstance(frominode,self.io)
flist=par.getFile()
flist.checkOut()
if foldername in flist.kvm:
raise ex.exception_folder.fileOperationException(u"folder already exist @ mkdir")
nf=fd.getInstance(genGlobalUniqueName(),self.io)
fmap=kvmap(None)
fmap.checkOut()
fmap.kvm[u"."]=(nf.filename,utils.timestamp.getTimestamp())
fmap.kvm[u".."]=(frominode,utils.timestamp.getTimestamp())
fmap.checkIn()
nf.commitPatch(fmap)
fmap=kvmap(None)
fmap.setTimestamp(utils.timestamp.getTimestamp(flist.getTimestamp()))
fmap.checkOut()
fmap.kvm[foldername]=(nf.filename,flist.getRelativeTS(foldername))
fmap.checkIn()
par.commitPatch(fmap)
def formatfs(self):
# format the container. Attentez! No deletion is garanteed!
nf=fd.getInstance(root_iNode_name,self.io)
fmap=kvmap(None)
fmap.checkOut()
fmap.kvm[u"."]=(root_iNode_name,utils.timestamp.getTimestamp())
fmap.kvm[u".."]=(root_iNode_name,utils.timestamp.getTimestamp())
fmap.checkIn()
nf.commitPatch(fmap)
def list(self,frominode):
inodefile=fd.getInstance(frominode,self.io).getFile()
if inodefile==None:
raise ex.exception_folder.iNodeNonexistException(u"invalid inode @ listAll")
inodefile.checkOut()
ret=[]
for f in inodefile.kvm:
if u"/" not in f:
ret.append(f)
return ret
def lookUp(inode,vfilename,io):
'''inode is the name of inode index. vfilename is the filename looking for, without
'/' in it.
'''
if not checkValidFilename(vfilename):
raise ex.exception_folder.invalidFilenameException(u"invalid filename @ lookup")
inodefile=fd.getInstance(inode,io).getFile()
if inodefile==None:
raise ex.exception_folder.iNodeNonexistException(u"invalid inode @ lookup")
inodefile.checkOut()
if vfilename not in inodefile.kvm:
return None
return inodefile.kvm[vfilename][0]
def rm(self,foldername,frominode):
# Attentez: this remove will remove the whole folder, no matter whether there's
# anything in it.
if not primitiveFunc.checkValidFilename(foldername):
raise ex.exception_folder.invalidFilenameException(u"invalid filename @ mkdir")
par=fd.getInstance(frominode,self.io)
flist=par.getFile()
flist.checkOut()
if foldername not in flist.kvm:
return
fmap=kvmap(None)
fmap.setTimestamp(utils.timestamp.getTimestamp(flist.getTimestamp()))
fmap.checkOut()
fmap.kvm[foldername]=(kvmap.REMOVE_SPECIFIED,flist.getRelativeTS(foldername))
fmap.checkIn()
par.commitPatch(fmap)
