DataHandler.AppHandler Class Reference

Class for handling all incoming user application data, received from the virtual network interface. More...

Collaboration diagram for DataHandler.AppHandler:

Public Member Functions
def	__init__ (self, app_transport, raw_transport, table)
	Constructor. More...
def	process_packet (self, packet)
	Process an incoming data packet from the upper application layer. More...
def	send_packet (self, packet, dst_ip, next_hop_mac)
	Send a packet to a next_hop_mac. More...
def	send_packet_with_arq (self, packet, dst_ip, next_hop_mac)
	Send a packet to a next_hop_mac, if ARQ retransmission is enabled. More...
def	send_back (self, packet)
	Send the packet back to the virtual network interface. More...
def	send_up (self, packet)
	Send the data packet up to the application. More...

Public Attributes
	broadcast_list
	List of IDs of all previously processed broadcast messages. More...
	app_transport
	Reference to Transport.VirtualTransport object. More...
	raw_transport
	Reference to Transport.RawTransport object. More...
	table
	Reference to RouteTable.Table object. More...
	broadcast_mac
	Store the default MAC broadcast value, referenced from Transport.RawTransport.broadcast_mac. More...
	arq_handler
	Create and store an ArqHandler.ArqHandler instance. More...
	reward_wait_handler
	Create and store a RewardHandler.RewardWaitHandler object for waiting for an incoming reward of previously sent packets. More...
	path_discovery_handler
	Create and store a PathDiscovery.PathDiscoveryHandler object for dealing with the packets with no next hop node. More...
	send_unicast_packet
	Create a reference to the default self.send_unicast_packet method, depending on the ENABLE_ARQ value. More...

Detailed Description

Class for handling all incoming user application data, received from the virtual network interface.

A starting point of message transmission. It initialises all handler objects, which then will be used by IncomingTraffic thread upon receiving messages from the network.

Constructor & Destructor Documentation

def DataHandler.AppHandler.__init__	(		self,
			app_transport,
			raw_transport,
			table
	)

Constructor.

Parameters

self	The object pointer.
app_transport	Reference to Transport.VirtualTransport object.
raw_transport	Reference to Transport.RawTransport object.
table	Reference to RouteTable.Table object.

Returns

None

Member Function Documentation

def DataHandler.AppHandler.process_packet	(		self,
			packet
	)

Process an incoming data packet from the upper application layer.

Parameters

self	The object pointer.
packet	Received raw packet from the virtual network interface.

Returns

None

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def DataHandler.AppHandler.send_back	(		self,
			packet
	)

Send the packet back to the virtual network interface.

Parameters

self	The object pointer.
packet	Received raw packet from the virtual network interface.

Returns

None

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def DataHandler.AppHandler.send_packet	(		self,
			packet,
			dst_ip,
			next_hop_mac
	)

Send a packet to a next_hop_mac.

Parameters

self	The object pointer.
packet	Received raw packet from the virtual network interface.
dst_ip	Destination IP of the packet.
next_hop_mac	MAC address of a next hop node.

Returns

None

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def DataHandler.AppHandler.send_packet_with_arq	(		self,
			packet,
			dst_ip,
			next_hop_mac
	)

Send a packet to a next_hop_mac, if ARQ retransmission is enabled.

Parameters

self	The object pointer.
packet	Received raw packet from the virtual network interface.
dst_ip	Destination IP of the packet.
next_hop_mac	MAC address of a next hop node.

Returns

None

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def DataHandler.AppHandler.send_up	(		self,
			packet
	)

Send the data packet up to the application.

Parameters

self	The object pointer.
packet	Received raw packet from the virtual network interface.

Returns

None

Member Data Documentation

DataHandler.AppHandler.app_transport

Reference to Transport.VirtualTransport object.

DataHandler.AppHandler.arq_handler

Create and store an ArqHandler.ArqHandler instance.

DataHandler.AppHandler.broadcast_list

List of IDs of all previously processed broadcast messages.

Creating a deque list for keeping the received broadcast IDs.

DataHandler.AppHandler.broadcast_mac

Store the default MAC broadcast value, referenced from Transport.RawTransport.broadcast_mac.

DataHandler.AppHandler.path_discovery_handler

Create and store a PathDiscovery.PathDiscoveryHandler object for dealing with the packets with no next hop node.

DataHandler.AppHandler.raw_transport

Reference to Transport.RawTransport object.

DataHandler.AppHandler.reward_wait_handler

Create and store a RewardHandler.RewardWaitHandler object for waiting for an incoming reward of previously sent packets.

DataHandler.AppHandler.send_unicast_packet

Create a reference to the default self.send_unicast_packet method, depending on the ENABLE_ARQ value.

DataHandler.AppHandler.table

Reference to RouteTable.Table object.

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The documentation for this class was generated from the following file:

• DataHandler.py