def handle_put(self, db, p):
"""Insert new file into the database and send data nodes to save
the file.
"""
# Fill code
#getting fname, fsize from packet using the getFileInfo() function from Packet.py.
#Storing the file in the database using the function InsertFile from mds_db.py.
if db.InsertFile(p.getFileInfo()[0], p.getFileInfo()[1]):
# Fill code
print("file inserted")
#creating response for the copy client.
print("packet creation begin")
packet_send = Packet()
packet_send.BuildPutResponse(
db.GetDataNodes()
) #db.GetDataNodes() gives me the data node list for the copy client.
packet_response = packet_send.getEncodedPacket(
) #encoding packet to send to the copy client.
self.request.sendall(packet_response)
#print("packet sent")
pass
else:
self.request.sendall("DUP")
def handle_put(self, db, p): """Insert new file into the database and send data nodes to save the file. """ # Fill code # packet that comes from copy client info = [p.packet['fname'], p.packet['fsize']] if db.InsertFile(info[0], info[1]): # Fill code nids = db.GetDataNodes() print(nids, 'nids line 67 file meta-data.py') dataNodes_packet = Packet() dataNodes_packet.BuildPutResponse(nids) self.request.sendall(dataNodes_packet.getEncodedPacket()) # send to the copy server else: self.request.sendall(b"DUP")
def handle_put(self, db, p):
"""Insert new file into the database and send data nodes to save
the file.
"""
# Fill code
info = p.getFileInfo()
print info
packet = Packet()
packet.BuildPutResponse(db.GetDataNodes())
response = packet.getEncodedPacket()
try:
if db.InsertFile(info[0], info[1]):
# Fill code
self.request.send("ACK")
else:
self.request.send("DUP")
self.request.send(response)
except:
self.request.send("NAK")
def handle_put(self, db, p):
"""
Insert new file in database and respond with list of available data nodes.
- List of tuples if succesfully inserted
- DUP if trying to insert a duplicate of the file.
"""
# Get (fname, fsize) from packet
fname, fsize = p.getFileInfo()
print "\t- Retrieving file info from packet..."
# Insert file into MDS and send list of available data nodes back to copy.py
if db.InsertFile(fname, fsize):
print "\t- Inserted file into MDS! Sending back available data nodes..."
nodelist = db.GetDataNodes()
q = Packet()
q.BuildPutResponse(nodelist)
self.request.sendall(q.getEncodedPacket())
print "\t- Done!"
else:
self.request.sendall("DUP")
print "\t- File already exists in MDS!"
