def __receive_request(self):
"""
Receives the full message sent by the master.
:return: keep alive
"""
# get the request's length
request_size = self.__socket.recv(Commands.SIZE_LENGTH)
# if the master sent an empty msg, then he has closed himself
if not request_size:
print "Master Has Been Closed"
# TODO: close the peasant and start the run function all over again
return False
# fix the request's length
request_size = int(request_size) - Commands.COMMAND_LENGTH
# get the request's command's number
command = int(Commands.decrypt(self.__socket.recv(Commands.COMMAND_LENGTH)))
# if the request size's is 0, then there are not args
args = []
# else, there are args, read them (decrypted)
if request_size != 0:
args = Commands.decrypt(self.__socket.recv(request_size)).split(Commands.SEPARATE_CHAR)
if self.__DEBUG:
print args
# handle the command and add the command number and return value to the responses list
self.__responses.append(str(command) + Commands.handle_command_request(command, args))
return True
def __recv_from_socket(self, s):
"""
Gets a data from the given socket. First the length of the data
(DATA_LENGTH digits), and then the data itself.
:param s: the socket to get the data from
:return: the data got from the socket
"""
# decrease the counter
self.__counter -= 1
# get the socket address
address = self.__get_address_by_socket(s)
# get the data's length
length = s.recv(Commands.SIZE_LENGTH)
# if the socket is closing the connection
if not length:
if self.__DEBUG:
print >> sys.__stdout__, "DEBUG: <%s : %s> Is Disconnecting" % (
address[0], address[1])
# delete the socket from the connected dictionary
del self.__connected[self.__get_address_by_socket(s)]
# close the socket
s.close()
# return the exit command
return "EXIT"
if not length.isdigit():
return "ERROR: Got Length Not Int"
# else, there is data. convert the length to int
length = int(length)
# get the data itself (decrypted)
data = Commands.decrypt(s.recv(length))
# TODO: DECRYPT
# if DEBUG MODE on then print the data we got
if self.__DEBUG:
print >> sys.__stdout__, "Got the following response from <%s : %s>:\n%s" % (
address[0], str(address[1]), data)
# return the data we got
return data
