def handler(self, client_socket, address):
print("Handling request")
# get request packet
request_packet = packet.read_command(client_socket, 2)
print("Command Packet", request_packet)
packet_reader = packet.CommandPacketReader(request_packet)
# extract information
type = packet_reader.get_type()
id = packet_reader.get_id()
command = packet_reader.get_command()
value = packet_reader.get_value()
packet_reader.report()
# Let dispatcher dispatch command
if type == packet.REQ_M_TYPE:
self.m_dispatcher.handle(command, value)
if type == packet.REQ_A_TYPE:
self.a_dispatcher.handle(command, value)
# send ACK and mirror request message
packet_builder = packet.CommandPacketBuilder()
# handle M_TYPE and A_TYPE separately
if type == packet.REQ_M_TYPE:
packet_builder.set_type(packet.ACK_M_TYPE)
if type == packet.REQ_A_TYPE:
packet_builder.set_type(packet.ACK_A_TYPE)
# handle id, command, and value normally
packet_builder.set_id(id)
packet_builder.set_command(command)
packet_builder.set_value(value)
# create respond packet
reply_packet = packet_builder.create()
# send acknowledge packet back to phone
client_socket.sendall(bytes((reply_packet[0], reply_packet[1])))
packet_builder.report()
# close socket
client_socket.close()
def handler(self, client_socket, address):
print("Handling HeartBeat")
# Get packet
request_packet = packet.read_command(client_socket, 1)
packet_reader = packet.HeartBeatPacketReader(request_packet)
# Extract information
type = packet_reader.get_type()
# Read from shared-memory region and replay with data
content = self.ipc.read()
# Handle values and set proper packet type
packet_builder = packet.HeartBeatPacketBuilder()
# packet_builder.set_type(packet.HEART_ACK)
# handle DONE | WORKING
if content == 'ERROR':
packet_builder.set_type(packet.HEART_ERR)
elif content == 'DONE':
packet_builder.set_type(packet.HEART_DONE)
elif content == 'HEALTHY':
packet_builder.set_type(packet.HEART_ACK)
# Create packet
reply_packet = packet_builder.create()
# send acknowledge packet back to phone
client_socket.sendall(bytes((reply_packet, )))
packet_builder.report()
# close socket
client_socket.close()