RouteReply.c File Reference

#include "main.h"
#include "DSR.h"
#include "List.h"

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Functions
int	fn_NetSim_DSR_GenerateRREP (NetSim_PACKET *rreqPacket, NetSim_EVENTDETAILS *pstruEventDetails)
int	fn_NetSim_DSR_ProcessRREP (NetSim_EVENTDETAILS *pstruEventDetails)
static void	determine_position (DSR_ROUTE_CACHE *cache, int *my, int *de, NETSIM_IPAddress myIP, NETSIM_IPAddress dest)
bool	fn_NetSim_DSR_GenerateRREPUsingRouteCache (DSR_DEVICE_VAR *devVar, NetSim_PACKET *rreqPacket, double dTime, NetSim_EVENTDETAILS *pstruEventDetails)
int	fn_NetSim_DSR_ForwardRREP ()

Function Documentation

determine_position()

static void determine_position ( DSR_ROUTE_CACHE *  cache, int *  my, int *  de, NETSIM_IPAddress  myIP, NETSIM_IPAddress  dest  )

static

Definition at line 94 of file RouteReply.c.

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fn_NetSim_DSR_ForwardRREP()

int fn_NetSim_DSR_ForwardRREP

(

)

This function checks if the current device is the last HOP. If it is, it drops the packet and no further forwarding is done.

Else, the RREP is forwarded to the Previous HOP

Definition at line 194 of file RouteReply.c.

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fn_NetSim_DSR_GenerateRREP()

int fn_NetSim_DSR_GenerateRREP	(	NetSim_PACKET *	rreqPacket,
		NetSim_EVENTDETAILS *	pstruEventDetails
	)

This function Generates a route reply to be sent to the source.

Definition at line 20 of file RouteReply.c.

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fn_NetSim_DSR_GenerateRREPUsingRouteCache()

bool fn_NetSim_DSR_GenerateRREPUsingRouteCache	(	DSR_DEVICE_VAR *	devVar,
		NetSim_PACKET *	rreqPacket,
		double	dTime,
		NetSim_EVENTDETAILS *	pstruEventDetails
	)

This functions generates a route reply if the route to destination is there in the route cache.

Definition at line 113 of file RouteReply.c.

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fn_NetSim_DSR_ProcessRREP()

int fn_NetSim_DSR_ProcessRREP

(

NetSim_EVENTDETAILS *

pstruEventDetails

)

This function processes the route reply. It Updates the route cache of the device and adds the new route to the destination in the route cache. It checks the Send Buffer if any packets are in the list to be sent. Then it forwards the RREP packet to the prev HOP.

Definition at line 81 of file RouteReply.c.

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