def storefile( self, fname, service ):
"""
Send a file to the proxy for storing
@param fname: String. Contains the file's name
@param service: String. Contains the storage service
@return A touple that contains the request's status and the file's curren
version
"""
s = FileStream(os.path.basename(fname), self._uid, self._uid, service)
s.loadfromfile(fname)
code, ver = self._send( Message.SAVESTREAM, s.serialize() )
return code, ver
def getfile( self, fname ):
"""
Asks for a file
@param fname: String. file's base name
@return A FileStream instance that contains the requested file
"""
conf = Config()
fpath = os.path.join( self._downloads, fname )
result = FileStream()
code, data = self._send( Message.LOADSTREAM, fname )
result.load(data)
result.savetofile(fpath)
print "Done"
def storestream(self, sdata ):
"""
Logs a file into the proxy and send it to the server where it'll be
stored
@param sdata:
@return: Current File's version.
"""
stream = FileStream()
stream.load(sdata)
node = self._neighbors.nextval()
# Recording operation.
# sid : File's id
# ver: File's current version
sid, ver = stream.registerfile( self._dbase, node.getid() )
# Sending stream
node.client.sendfile( stream )
msg = Messages.SendingFileTo % (stream.getname(), node.getname(),
node.geturi(), ver)
print msg
logging.info(msg)
return Message.SUCCESS, ver
