def handle(self):
# Establish a connection with the local database
db = mds_db("dfs.db")
db.Connect()
# Define a packet object to decode packet messages
p = Packet()
# Receive a msg from the list, data-node, or copy clients
msg = self.request.recv(1024)
print msg, type(msg)
# Decode the packet received
p.DecodePacket(msg)
# Extract the command part of the received packet
cmd = p.getCommand()
# Invoke the proper action
if cmd == "reg":
# Registration client
self.handle_reg(db, p)
elif cmd == "list":
# Client asking for a list of files
# Fill code
self.handle_list(db)
#fill code ends
elif cmd == "put":
# Client asking for servers to put data
# Fill code
self.handle_put(db, p)
#fill code ends
elif cmd == "get":
# Client asking for servers to get data
# Fill code
self.handle_get(db, p) #justify
#fill code ends
elif cmd == "dblks":
# Client sending data blocks for file
# Fill code
self.handle_blocks(db, p)
#fill code ends
db.Close()
def handle(self):
# Establish a connection with the local database
db = mds_db("dfs.db")
db.Connect()
# Define a packet object to decode packet messages
p = Packet()
# Receive a msg from the list, data-node, or copy clients
msg = self.request.recv(1024)
print msg, type(msg)
# Decode the packet received
p.DecodePacket(msg)
# Extract the command part of the received packet
cmd = p.getCommand()
# Invoke the proper action
if cmd == "reg":
# Registration client
self.handle_reg(db, p)
elif cmd == "list":
pass
# Client asking for a list of files
# Fill code
elif cmd == "put":
pass
# Client asking for servers to put data
# Fill code
elif cmd == "get":
pass
# Client asking for servers to get data
# Fill code
elif cmd == "dblks":
pass
# Client sending data blocks for file
# Fill code
db.Close()
def handle(self):
# Establish a connection with the local database
db = mds_db("dfs.db")
db.Connect()
# Define a packet object to decode packet messages
p = Packet()
# Receive a msg from the list, data-node, or copy clients
msg = self.request.recv(CHUNKLIST_BUFFER)
# Decode the packet received
p.DecodePacket(msg)
# Extract the command part of the received packet
cmd = p.getCommand()
# Invoke the proper action
if cmd == "reg":
# data-node.py polling for registration
print "\nHandling `reg` request from %s:%s..." % (p.getAddr(), p.getPort())
self.handle_reg(db, p)
elif cmd == "list":
# ls.py asking for a list of files
print "\nHandling `ls` request..."
self.handle_list(db)
elif cmd == "put":
# copy.py asking for servers to put data
print "\nHandling `put` request..."
self.handle_put(db, p)
elif cmd == "get":
# copy.py asking for servers to get data
print "\nHandling `get` request..."
self.handle_get(db, p)
elif cmd == "dblks":
# copy.py sending data blocks for file
print "\nHandling `dblks` request..."
self.handle_blocks(db, p)
else:
print "\nNo `cmd` was specified..."
db.Close()
###############################################################################
#
# Filename: test.py
# Author: Jose R. Ortiz and ... (hopefully some students contribution)
#
# Description:
# Script to test the MySQL support library for the DFS project.
#
#
# This is how to import a local library
from mds_db import *
# Create an object of type mds_db
db = mds_db("dfs.db")
# Connect to the database
print "Connecting to database"
db.Connect()
# Testing how to add a new node to the metadata server.
# Note that I used a node name, the address and the port.
# Address and port are necessary for connection.
print "Testing node addition"
id1 = db.AddDataNode("136.145.54.10", 80)
id2 = db.AddDataNode("136.145.54.11", 80)
print
print "Testing if node was inserted"
print "A tupple with node name and connection info must appear"
print db.CheckNode(id1)
###############################################################################
#
# Filename: test.py
# Author: Jose R. Ortiz and ... (hopefully some students contribution)
#
# Description:
# Script to test the MySQL support library for the DFS project.
#
#
# This is how to import a local library
from mds_db import *
# Create an object of type mds_db
db = mds_db("dfs.db")
# Connect to the database
print "Connecting to database"
db.Connect()
# Testing how to add a new node to the metadata server.
# Note that I used a node name, the address and the port.
# Address and port are necessary for connection.
print "Testing node addition"
id1 = db.AddDataNode("136.145.54.10", 80)
id2 = db.AddDataNode("136.145.54.11", 80)
print
print "Testing if node was inserted"
print "A tupple with node name and connection info must appear"
print db.CheckNode("136.145.54.10", 80)
info = data.split(" ") # Split the message at every space.
db.AddDataNode("n" + info[1], info[2], info[3]) # Add data-node to database.
conn.sendall("Node created") # Send succes to the socket.
else: # Command not recognized.
print "Command not recognized"
print
conn.close() # Close the connection.
# Create an object of type mds_db.
db = mds_db()
# Connect to the database.
print "Connecting to database"
db.Connect()
max_threads = 20 # Maximum Threads allowed.
threads = []*max_threads # Store threads.
i = 0 # Count Threads.
HOST = str(sys.argv[1]) # Symbolic name, meaning all available interfaces.
PORT = int(sys.argv[2]) # Arbitrary non-privileged port.
