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Data Structures
struct	stru_NetSim_DSR_SourceRouteOption

struct	stru_NetSim_DSR_RREQ_Option

struct	stru_NetSim_DSR_RREP_Option

struct	stru_NetSim_DSR_RERR_Option

struct	stru_DSR_Ack_Request_Option

struct	stru_DSR_Ack_Option

struct	stru_DSR_OptionHeader

struct	stru_DSR_RouteCache

struct	stru_DSR_SendBuffer

struct	stru_DSR_RouteRequestTable

struct	stru_DSR_MaintBuffer

struct	stru_DSR_Metrics

struct	stru_DSR_DeviceVar

Macros
#define	DSR_OPTION_HEADER_SIZE 4

#define	DSR_RREQ_SIZE_FIXED 8

#define	DSR_RREQ_SIZE_IPV6_FIXED 20

#define	DSR_RREP_SIZE_FIXED 7

#define	DSR_SOURCEROUTE_SIZE_FIXED 4

#define	DSR_RERR_SIZE_FIXED 12+4/* type specific */

#define	DSR_ACK_OPTION_LEN 10

#define	DSR_ACK_REQUEST_LEN 4

#define	DSR_RREQ_OPT_LEN 6

#define	DSR_DISCOVERY_HOP_LIMIT 255

#define	DSR_MAX_REQUEST_REXMT 16

#define	DSR_MaxMaintRexmt 2

#define	NO_NEXT_HEADER 59

#define	NonpropRequestTimeout (30* MILLISECOND)

#define	DSR_REQUEST_PERIOD (500* MILLISECOND)

#define	DSR_MAX_REQUEST_PERIOD (10* SECOND)

#define	ROUTE_CACHE_TIMEOUT (300* SECOND)

#define	BROADCAST_JITTER (10* MILLISECOND)

#define	MAINT_HOLD_OFF_TIME (250* MILLISECOND)

#define	isDSRPACKET(packet) (packet->nControlDataType/100 == NW_PROTOCOL_DSR)

#define	DSR_PACKET_PROCESSING() fn_NetSim_DSR_GeneralPacketProcessing(pstruEventDetails)

#define	DSR_CHECK_ROUTE_FOUND(destAddress, devVar, nextHop, dTime, ppcache) fn_NetSim_DSR_CheckRouteFound(destAddress,devVar,nextHop,dTime,ppcache)

#define	DSR_ADD_TO_MAINT_BUFFER(nDeviceId, pstruPacket, dTime) fn_NetSim_DSR_AddToMaintBuffer(nDeviceId,pstruPacket,dTime);

#define	DSR_MAINT_TIMEOUT() fn_NetSim_DSR_MaintTimeout(pstruEventDetails)

#define	DSR_RETRANSMIT_BUFFER(maintBuffer) fn_NetSim_DSR_RetransmitBuffer(maintBuffer,pstruEventDetails)

#define	DSR_EMPTY_MAINT_BUFFER(nDeviceId, nextHop) fn_NetSim_DSR_EmptyMaintBuffer(nDeviceId,nextHop)

#define	DSR_UPDATE_ROUTE_CACHE(length, address, dTime) fn_NetSim_DSR_UpdateRouteCache(length,address,dTime)

#define	DSR_FIND_CACHE(devVar, address, dTime) fn_NetSim_DSR_FindCache(devVar,address,dTime)

#define	DSR_VALIDATE_CACHE(cache, addList, count) fn_NetSim_DSR_ValidateRouteCache(cache,addList,count)

#define	DSR_DELETE_ENTRY_CACHE(ppcache, ip1, ip2) fn_NetSim_DSR_DeleteEntryFromRouteCache(ppcache,ip1,ip2)

#define	DSR_GENERATE_RERR(maintBuffer) fn_NetSim_DSR_GenerateRERR(maintBuffer,pstruEventDetails)

#define	DSR_PROCESS_RERR() fn_NetSim_DSR_ProcessRerr(pstruEventDetails)

#define	DSR_GENERATE_RREP(rreqPacket) fn_NetSim_DSR_GenerateRREP(rreqPacket,pstruEventDetails)

#define	DSR_PROCESS_RREP() fn_NetSim_DSR_ProcessRREP(pstruEventDetails)

#define	DSR_GENERATE_RREP_USING_CACHE(devVar, rreqPacket, dTime) fn_NetSim_DSR_GenerateRREPUsingRouteCache(devVar,rreqPacket,dTime,pstruEventDetails)

#define	DSR_INIT_RREQ(target, pprreqTable, nDeviceId, dTime) fn_NetSim_DSR_InitRouteRequest(target,pprreqTable,nDeviceId,dTime,pstruEventDetails)

#define	DSR_RREQ_TIMEOUT() fn_NetSim_DSR_RREQTimeout(pstruEventDetails)

#define	DSR_RETRY_RREQ(targetAddress, nDeviceId, dTime) fn_NetSim_DSR_RetryRREQ(targetAddress,nDeviceId,dTime,pstruEventDetails)

#define	DSR_PROCESS_RREQ() fn_NetSim_DSR_ProcessRREQ(pstruEventDetails)

#define	DSR_ADD_TO_SEND_BUFFER(ppsendBuffer, packet, dTime) fn_NetSim_DSR_AddToSendBuffer(ppsendBuffer,packet,dTime)

#define	DSR_EMPTY_SEND_BUFFER(targetAddress, nDeviceId) fn_NetSim_DSR_EmptySendBuffer(targetAddress,nDeviceId)

#define	DSR_CHECK_SEND_BUFFER(nDeviceId, dTime) fn_NetSim_DSR_CheckSendBuffer(nDeviceId,dTime)

#define	DSR_TRANSMIT_SEND_BUFFER(sendBuffer, nDeviceId, dTime) fn_NetSim_DSR_TransmitPacketFromSendBuffer(sendBuffer,nDeviceId,dTime)

#define	DSR_ADD_SRC_ROUTE(packet, cache) fn_NetSim_DSR_AddSourceRouteOption(packet,cache)

#define	DSR_PROCESS_SRC_ROUTE() fn_NetSim_DSR_ProcessSourceRouteOption(pstruEventDetails)

#define	DSR_ADD_ACK_REQUEST(packet) fn_NetSim_DSR_Add_Ack_request_Option(packet,pstruEventDetails)

#define	DSR_PROCESS_ACK_REQUEST(packet) fn_NetSim_DSR_Process_AckRequestOption(packet,pstruEventDetails)

#define	DSR_PROCESS_ACK() fn_NetSim_DSR_ProcessAckOption(pstruEventDetails);

#define	DSR_DEV_VAR(dev) ((DSR_DEVICE_VAR*)NETWORK->ppstruDeviceList[dev-1]->pstruNetworkLayer->RoutingVar)

#define	DSR_RREQ_LEN(rreq) (int)(rreq->nOptDataLen-6)/4

#define	DSR_RREP_LEN(rrep) (int)(rrep->nOptDataLen-3)/4+1

#define	SENDBUFFER_ALLOC() list_alloc(sizeof(struct stru_DSR_SendBuffer),offsetof(struct stru_DSR_SendBuffer,ele))

#define	RREQTABLE_ALLOC() (DSR_RREQ_TABLE*)list_alloc(sizeof(struct stru_DSR_RouteRequestTable),offsetof(struct stru_DSR_RouteRequestTable,ele))

#define	ROUTECACHE_ALLOC() (DSR_ROUTE_CACHE*)list_alloc(sizeof(struct stru_DSR_RouteCache),offsetof(struct stru_DSR_RouteCache,ele))

#define	MAINTBUFFER_ALLOC() (DSR_MAINT_BUFFER*)list_alloc(sizeof(DSR_MAINT_BUFFER),offsetof(DSR_MAINT_BUFFER,ele))

Typedefs
typedef enum enum_DSR_Subevent	DSR_SUBEVENT

typedef enum enum_DSR_ControlPacket	DSR_CONTROL_PACKET

typedef enum enum_DSR_OptionType	DSR_OPTION_TYPE

typedef struct stru_DSR_SendBuffer	DSR_SEND_BUFFER

typedef struct stru_DSR_RouteCache	DSR_ROUTE_CACHE

typedef struct stru_DSR_MaintBuffer	DSR_MAINT_BUFFER

typedef struct stru_DSR_DeviceVar	DSR_DEVICE_VAR

typedef struct stru_DSR_OptionHeader	DSR_OPTION_HEADER

typedef struct stru_NetSim_DSR_RREQ_Option	DSR_RREQ_OPTION

typedef struct stru_NetSim_DSR_RREP_Option	DSR_RREP_OPTION

typedef struct stru_NetSim_DSR_RERR_Option	DSR_RERR_OPTION

typedef struct stru_NetSim_DSR_SourceRouteOption	DSR_SOURCE_ROUTE_OPTION

typedef struct stru_DSR_Ack_Request_Option	DSR_ACK_REQ_OPTION

typedef struct stru_DSR_Ack_Option	DSR_ACK_OPTION

typedef struct stru_DSR_RouteRequestTable	DSR_RREQ_TABLE

typedef struct stru_DSR_Primitives	DSR_PRIMITIVES

Enumerations
enum	enum_DSR_Subevent { subevent_RREQ_TIMEOUT =NW_PROTOCOL_DSR*100+1 , subevent_MAINT_TIMEOUT , subevent_PROCESS_RERR }
	Enumeration for DSR Subevents. More...

enum	enum_DSR_ControlPacket { ctrlPacket_ROUTE_REQUEST =NW_PROTOCOL_DSR*100+1 , ctrlPacket_ROUTE_REPLY , ctrlPacket_ROUTE_ERROR , ctrlPacket_ACK }
	Enumeration for DSR Control Packets. More...

enum	enum_DSR_OptionType { optType_RouteRequest =1 , optType_RouteReply =2 , optType_RouteError =3 , optType_Ack =32 , optType_SourceRoute =96 , optType_AckRequest =160 }
	Enumeration for DSR option types. More...

Functions
DSR_ROUTE_CACHE *	fn_NetSim_DSR_FindCache (DSR_DEVICE_VAR *devVar, NETSIM_IPAddress address, double dTime)

int	fn_NetSim_DSR_GeneralPacketProcessing (NetSim_EVENTDETAILS *pstruEventDetails)

bool	fn_NetSim_DSR_CheckRouteFound (NETSIM_IPAddress destAddress, DSR_DEVICE_VAR devVar, NETSIM_IPAddress nextHop, double dTime, DSR_ROUTE_CACHE **cache)

int	fn_NetSim_DSR_AddSourceRouteOption (NetSim_PACKET packet, DSR_ROUTE_CACHE cache)

int	fn_NetSim_DSR_ProcessSourceRouteOption (NetSim_EVENTDETAILS *pstruEventDetails)

int	fn_NetSim_DSR_AddToMaintBuffer (NETSIM_ID nDeviceId, NetSim_PACKET *pstruPacket, double dTime)

int	fn_NetSim_DSR_MaintTimeout (NetSim_EVENTDETAILS *pstruEventDetails)

int	fn_NetSim_DSR_RetransmitBuffer (DSR_MAINT_BUFFER maintBuffer, NetSim_EVENTDETAILS pstruEventDetails)

int	fn_NetSim_DSR_EmptyMaintBuffer (NETSIM_ID nDeviceId, NETSIM_ID nextHop)

bool	fn_NetSim_DSR_AddToSendBuffer (DSR_SEND_BUFFER *sendBuffer, NetSim_PACKET packet, double dTime)

void	fn_NetSim_DSR_EmptySendBuffer (NETSIM_IPAddress targetAddress, NETSIM_ID nDeviceId)

void	fn_NetSim_DSR_CheckSendBuffer (NETSIM_ID nDeviceId, double dTime)

int	fn_NetSim_DSR_TransmitPacketFromSendBuffer (DSR_SEND_BUFFER *sendBuffer, NETSIM_ID nDeviceId, double dTime)

int	fn_NetSim_DSR_UpdateRouteCache (unsigned int length, NETSIM_IPAddress *address, double dTime)

bool	fn_NetSim_DSR_ValidateRouteCache (DSR_ROUTE_CACHE cache, NETSIM_IPAddress addList, int count)

int	fn_NetSim_DSR_DeleteEntryFromRouteCache (DSR_ROUTE_CACHE **ppcache, NETSIM_IPAddress ip1, NETSIM_IPAddress ip2)

int	fn_NetSim_DSR_GenerateRREP (NetSim_PACKET rreqPacket, NetSim_EVENTDETAILS pstruEventDetails)

int	fn_NetSim_DSR_ProcessRREP (NetSim_EVENTDETAILS *pstruEventDetails)

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

int	fn_NetSim_DSR_ForwardRREP ()

int	fn_NetSim_DSR_GenerateRERR (DSR_MAINT_BUFFER maintBuffer, NetSim_EVENTDETAILS pstruEventDetails)

int	fn_NetSim_DSR_ProcessRerr (NetSim_EVENTDETAILS *pstruEventDetails)

NetSim_PACKET *	fn_NetSim_DSR_InitRouteRequest (NETSIM_IPAddress target, DSR_RREQ_TABLE *rreqTable, NETSIM_ID nDeviceId, double dTime, NetSim_EVENTDETAILS pstruEventDetails)

int	fn_NetSim_DSR_RREQTimeout (NetSim_EVENTDETAILS *pstruEventDetails)

NetSim_PACKET *	fn_NetSim_DSR_RetryRREQ (NETSIM_IPAddress targetAddress, NETSIM_ID nDeviceId, double dTime, NetSim_EVENTDETAILS *pstruEventDetails)

int	fn_NetSim_DSR_ProcessRREQ (NetSim_EVENTDETAILS *pstruEventDetails)

int	fn_NetSim_DSR_Add_Ack_request_Option (NetSim_PACKET packet, NetSim_EVENTDETAILS pstruEventDetails)

int	fn_NetSim_DSR_ProcessAckOption (NetSim_EVENTDETAILS *pstruEventDetails)

int	fn_NetSim_DSR_Process_AckRequestOption (NetSim_PACKET packet, NetSim_EVENTDETAILS pstruEventDetails)

NetSim_PACKET *	fn_NetSim_DSR_GenerateCtrlPacket (NETSIM_ID src, NETSIM_ID dest, NETSIM_ID recv, double dTime, DSR_CONTROL_PACKET type)

double	fn_NetSim_DSR_GetBroadCastJitter ()

int	fn_NetSim_DSR_LinkLayerAck (NetSim_PACKET *)

unsigned int	fn_NetSim_DSR_FillAddress (DSR_SOURCE_ROUTE_OPTION srcOption, DSR_ROUTE_CACHE cache, NETSIM_IPAddress src, NETSIM_IPAddress dest)

int	fn_NetSim_DSR_Finish_F ()

DSR_RREQ_TABLE *	getRREQTable (NETSIM_IPAddress target, DSR_RREQ_TABLE *table)

void	set_dsr_curr ()

NETSIM_IPAddress	dsr_get_curr_ip ()

NETSIM_ID	dsr_get_curr_if ()

NETSIM_IPAddress	dsr_get_dev_ip (NETSIM_ID d)

bool	isDsrConfigured (NETSIM_ID d, NETSIM_ID in)

int	fn_NetSim_DSR_FreePacket (NetSim_PACKET *packet)

Macro Definition Documentation

◆ BROADCAST_JITTER

#define BROADCAST_JITTER (10* MILLISECOND)

Definition at line 50 of file DSR.h.

◆ DSR_ACK_OPTION_LEN

#define DSR_ACK_OPTION_LEN 10

Definition at line 36 of file DSR.h.

◆ DSR_ACK_REQUEST_LEN

#define DSR_ACK_REQUEST_LEN 4

Definition at line 37 of file DSR.h.

◆ DSR_ADD_ACK_REQUEST

#define DSR_ADD_ACK_REQUEST ( packet ) fn_NetSim_DSR_Add_Ack_request_Option(packet,pstruEventDetails)

Definition at line 750 of file DSR.h.

◆ DSR_ADD_SRC_ROUTE

#define DSR_ADD_SRC_ROUTE	(	packet,
		cache
	)	fn_NetSim_DSR_AddSourceRouteOption(packet,cache)

Definition at line 747 of file DSR.h.

◆ DSR_ADD_TO_MAINT_BUFFER

#define DSR_ADD_TO_MAINT_BUFFER	(	nDeviceId,
		pstruPacket,
		dTime
	)	fn_NetSim_DSR_AddToMaintBuffer(nDeviceId,pstruPacket,dTime);

Definition at line 720 of file DSR.h.

◆ DSR_ADD_TO_SEND_BUFFER

#define DSR_ADD_TO_SEND_BUFFER	(	ppsendBuffer,
		packet,
		dTime
	)	fn_NetSim_DSR_AddToSendBuffer(ppsendBuffer,packet,dTime)

Definition at line 742 of file DSR.h.

◆ DSR_CHECK_ROUTE_FOUND

#define DSR_CHECK_ROUTE_FOUND	(	destAddress,
		devVar,
		nextHop,
		dTime,
		ppcache
	)	fn_NetSim_DSR_CheckRouteFound(destAddress,devVar,nextHop,dTime,ppcache)

Definition at line 718 of file DSR.h.

◆ DSR_CHECK_SEND_BUFFER

#define DSR_CHECK_SEND_BUFFER	(	nDeviceId,
		dTime
	)	fn_NetSim_DSR_CheckSendBuffer(nDeviceId,dTime)

Definition at line 744 of file DSR.h.

◆ DSR_DELETE_ENTRY_CACHE

#define DSR_DELETE_ENTRY_CACHE	(	ppcache,
		ip1,
		ip2
	)	fn_NetSim_DSR_DeleteEntryFromRouteCache(ppcache,ip1,ip2)

Definition at line 728 of file DSR.h.

◆ DSR_DEV_VAR

#define DSR_DEV_VAR ( dev ) ((DSR_DEVICE_VAR*)NETWORK->ppstruDeviceList[dev-1]->pstruNetworkLayer->RoutingVar)

Definition at line 772 of file DSR.h.

◆ DSR_DISCOVERY_HOP_LIMIT

#define DSR_DISCOVERY_HOP_LIMIT 255

Definition at line 40 of file DSR.h.

◆ DSR_EMPTY_MAINT_BUFFER

#define DSR_EMPTY_MAINT_BUFFER	(	nDeviceId,
		nextHop
	)	fn_NetSim_DSR_EmptyMaintBuffer(nDeviceId,nextHop)

Definition at line 723 of file DSR.h.

◆ DSR_EMPTY_SEND_BUFFER

#define DSR_EMPTY_SEND_BUFFER	(	targetAddress,
		nDeviceId
	)	fn_NetSim_DSR_EmptySendBuffer(targetAddress,nDeviceId)

Definition at line 743 of file DSR.h.

◆ DSR_FIND_CACHE

#define DSR_FIND_CACHE	(	devVar,
		address,
		dTime
	)	fn_NetSim_DSR_FindCache(devVar,address,dTime)

Definition at line 726 of file DSR.h.

◆ DSR_GENERATE_RERR

#define DSR_GENERATE_RERR ( maintBuffer ) fn_NetSim_DSR_GenerateRERR(maintBuffer,pstruEventDetails)

Definition at line 730 of file DSR.h.

◆ DSR_GENERATE_RREP

#define DSR_GENERATE_RREP ( rreqPacket ) fn_NetSim_DSR_GenerateRREP(rreqPacket,pstruEventDetails)

Definition at line 733 of file DSR.h.

◆ DSR_GENERATE_RREP_USING_CACHE

#define DSR_GENERATE_RREP_USING_CACHE	(	devVar,
		rreqPacket,
		dTime
	)	fn_NetSim_DSR_GenerateRREPUsingRouteCache(devVar,rreqPacket,dTime,pstruEventDetails)

Definition at line 735 of file DSR.h.

◆ DSR_INIT_RREQ

#define DSR_INIT_RREQ	(	target,
		pprreqTable,
		nDeviceId,
		dTime
	)	fn_NetSim_DSR_InitRouteRequest(target,pprreqTable,nDeviceId,dTime,pstruEventDetails)

Definition at line 737 of file DSR.h.

◆ DSR_MAINT_TIMEOUT

#define DSR_MAINT_TIMEOUT ( ) fn_NetSim_DSR_MaintTimeout(pstruEventDetails)

Definition at line 721 of file DSR.h.

◆ DSR_MAX_REQUEST_PERIOD

#define DSR_MAX_REQUEST_PERIOD (10* SECOND)

Definition at line 48 of file DSR.h.

◆ DSR_MAX_REQUEST_REXMT

#define DSR_MAX_REQUEST_REXMT 16

Definition at line 41 of file DSR.h.

◆ DSR_MaxMaintRexmt

#define DSR_MaxMaintRexmt 2

Definition at line 42 of file DSR.h.

◆ DSR_OPTION_HEADER_SIZE

#define DSR_OPTION_HEADER_SIZE 4

Definition at line 30 of file DSR.h.

◆ DSR_PACKET_PROCESSING

#define DSR_PACKET_PROCESSING ( ) fn_NetSim_DSR_GeneralPacketProcessing(pstruEventDetails)

Definition at line 717 of file DSR.h.

◆ DSR_PROCESS_ACK

#define DSR_PROCESS_ACK ( ) fn_NetSim_DSR_ProcessAckOption(pstruEventDetails);

Definition at line 752 of file DSR.h.

◆ DSR_PROCESS_ACK_REQUEST

#define DSR_PROCESS_ACK_REQUEST ( packet ) fn_NetSim_DSR_Process_AckRequestOption(packet,pstruEventDetails)

Definition at line 751 of file DSR.h.

◆ DSR_PROCESS_RERR

#define DSR_PROCESS_RERR ( ) fn_NetSim_DSR_ProcessRerr(pstruEventDetails)

Definition at line 731 of file DSR.h.

◆ DSR_PROCESS_RREP

#define DSR_PROCESS_RREP ( ) fn_NetSim_DSR_ProcessRREP(pstruEventDetails)

Definition at line 734 of file DSR.h.

◆ DSR_PROCESS_RREQ

#define DSR_PROCESS_RREQ ( ) fn_NetSim_DSR_ProcessRREQ(pstruEventDetails)

Definition at line 740 of file DSR.h.

◆ DSR_PROCESS_SRC_ROUTE

#define DSR_PROCESS_SRC_ROUTE ( ) fn_NetSim_DSR_ProcessSourceRouteOption(pstruEventDetails)

Definition at line 748 of file DSR.h.

◆ DSR_REQUEST_PERIOD

#define DSR_REQUEST_PERIOD (500* MILLISECOND)

Definition at line 47 of file DSR.h.

◆ DSR_RERR_SIZE_FIXED

#define DSR_RERR_SIZE_FIXED 12+4/* type specific */

Definition at line 35 of file DSR.h.

◆ DSR_RETRANSMIT_BUFFER

#define DSR_RETRANSMIT_BUFFER ( maintBuffer ) fn_NetSim_DSR_RetransmitBuffer(maintBuffer,pstruEventDetails)

Definition at line 722 of file DSR.h.

◆ DSR_RETRY_RREQ

#define DSR_RETRY_RREQ	(	targetAddress,
		nDeviceId,
		dTime
	)	fn_NetSim_DSR_RetryRREQ(targetAddress,nDeviceId,dTime,pstruEventDetails)

Definition at line 739 of file DSR.h.

◆ DSR_RREP_LEN

#define DSR_RREP_LEN ( rrep ) (int)(rrep->nOptDataLen-3)/4+1

Definition at line 774 of file DSR.h.

◆ DSR_RREP_SIZE_FIXED

#define DSR_RREP_SIZE_FIXED 7

Definition at line 33 of file DSR.h.

◆ DSR_RREQ_LEN

#define DSR_RREQ_LEN ( rreq ) (int)(rreq->nOptDataLen-6)/4

Definition at line 773 of file DSR.h.

◆ DSR_RREQ_OPT_LEN

#define DSR_RREQ_OPT_LEN 6

Definition at line 39 of file DSR.h.

◆ DSR_RREQ_SIZE_FIXED

#define DSR_RREQ_SIZE_FIXED 8

Definition at line 31 of file DSR.h.

◆ DSR_RREQ_SIZE_IPV6_FIXED

#define DSR_RREQ_SIZE_IPV6_FIXED 20

Definition at line 32 of file DSR.h.

◆ DSR_RREQ_TIMEOUT

#define DSR_RREQ_TIMEOUT ( ) fn_NetSim_DSR_RREQTimeout(pstruEventDetails)

Definition at line 738 of file DSR.h.

◆ DSR_SOURCEROUTE_SIZE_FIXED

#define DSR_SOURCEROUTE_SIZE_FIXED 4

Definition at line 34 of file DSR.h.

◆ DSR_TRANSMIT_SEND_BUFFER

#define DSR_TRANSMIT_SEND_BUFFER	(	sendBuffer,
		nDeviceId,
		dTime
	)	fn_NetSim_DSR_TransmitPacketFromSendBuffer(sendBuffer,nDeviceId,dTime)

Definition at line 745 of file DSR.h.

◆ DSR_UPDATE_ROUTE_CACHE

#define DSR_UPDATE_ROUTE_CACHE	(	length,
		address,
		dTime
	)	fn_NetSim_DSR_UpdateRouteCache(length,address,dTime)

Definition at line 725 of file DSR.h.

◆ DSR_VALIDATE_CACHE

#define DSR_VALIDATE_CACHE	(	cache,
		addList,
		count
	)	fn_NetSim_DSR_ValidateRouteCache(cache,addList,count)

Definition at line 727 of file DSR.h.

◆ isDSRPACKET

#define isDSRPACKET ( packet ) (packet->nControlDataType/100 == NW_PROTOCOL_DSR)

Definition at line 53 of file DSR.h.

◆ MAINT_HOLD_OFF_TIME

#define MAINT_HOLD_OFF_TIME (250* MILLISECOND)

Definition at line 51 of file DSR.h.

◆ MAINTBUFFER_ALLOC

#define MAINTBUFFER_ALLOC ( ) (DSR_MAINT_BUFFER*)list_alloc(sizeof(DSR_MAINT_BUFFER),offsetof(DSR_MAINT_BUFFER,ele))

Definition at line 780 of file DSR.h.

◆ NO_NEXT_HEADER

#define NO_NEXT_HEADER 59

Definition at line 45 of file DSR.h.

◆ NonpropRequestTimeout

#define NonpropRequestTimeout (30* MILLISECOND)

Definition at line 46 of file DSR.h.

◆ ROUTE_CACHE_TIMEOUT

#define ROUTE_CACHE_TIMEOUT (300* SECOND)

Definition at line 49 of file DSR.h.

◆ ROUTECACHE_ALLOC

#define ROUTECACHE_ALLOC ( ) (DSR_ROUTE_CACHE*)list_alloc(sizeof(struct stru_DSR_RouteCache),offsetof(struct stru_DSR_RouteCache,ele))

Definition at line 779 of file DSR.h.

◆ RREQTABLE_ALLOC

#define RREQTABLE_ALLOC ( ) (DSR_RREQ_TABLE*)list_alloc(sizeof(struct stru_DSR_RouteRequestTable),offsetof(struct stru_DSR_RouteRequestTable,ele))

Definition at line 778 of file DSR.h.

◆ SENDBUFFER_ALLOC

#define SENDBUFFER_ALLOC ( ) list_alloc(sizeof(struct stru_DSR_SendBuffer),offsetof(struct stru_DSR_SendBuffer,ele))

Definition at line 777 of file DSR.h.

Typedef Documentation

◆ DSR_ACK_OPTION

typedef struct stru_DSR_Ack_Option DSR_ACK_OPTION

Definition at line 71 of file DSR.h.

◆ DSR_ACK_REQ_OPTION

typedef struct stru_DSR_Ack_Request_Option DSR_ACK_REQ_OPTION

Definition at line 70 of file DSR.h.

◆ DSR_CONTROL_PACKET

typedef enum enum_DSR_ControlPacket DSR_CONTROL_PACKET

Definition at line 57 of file DSR.h.

◆ DSR_DEVICE_VAR

typedef struct stru_DSR_DeviceVar DSR_DEVICE_VAR

Definition at line 63 of file DSR.h.

◆ DSR_MAINT_BUFFER

typedef struct stru_DSR_MaintBuffer DSR_MAINT_BUFFER

Definition at line 62 of file DSR.h.

◆ DSR_OPTION_HEADER

typedef struct stru_DSR_OptionHeader DSR_OPTION_HEADER

Definition at line 65 of file DSR.h.

◆ DSR_OPTION_TYPE

typedef enum enum_DSR_OptionType DSR_OPTION_TYPE

Definition at line 58 of file DSR.h.

◆ DSR_PRIMITIVES

typedef struct stru_DSR_Primitives DSR_PRIMITIVES

Definition at line 74 of file DSR.h.

◆ DSR_RERR_OPTION

typedef struct stru_NetSim_DSR_RERR_Option DSR_RERR_OPTION

Definition at line 68 of file DSR.h.

◆ DSR_ROUTE_CACHE

typedef struct stru_DSR_RouteCache DSR_ROUTE_CACHE

Definition at line 61 of file DSR.h.

◆ DSR_RREP_OPTION

typedef struct stru_NetSim_DSR_RREP_Option DSR_RREP_OPTION

Definition at line 67 of file DSR.h.

◆ DSR_RREQ_OPTION

typedef struct stru_NetSim_DSR_RREQ_Option DSR_RREQ_OPTION

Definition at line 66 of file DSR.h.

◆ DSR_RREQ_TABLE

typedef struct stru_DSR_RouteRequestTable DSR_RREQ_TABLE

Definition at line 72 of file DSR.h.

◆ DSR_SEND_BUFFER

typedef struct stru_DSR_SendBuffer DSR_SEND_BUFFER

Definition at line 60 of file DSR.h.

◆ DSR_SOURCE_ROUTE_OPTION

typedef struct stru_NetSim_DSR_SourceRouteOption DSR_SOURCE_ROUTE_OPTION

Definition at line 69 of file DSR.h.

◆ DSR_SUBEVENT

typedef enum enum_DSR_Subevent DSR_SUBEVENT

Definition at line 56 of file DSR.h.

Enumeration Type Documentation

◆ enum_DSR_ControlPacket

enum enum_DSR_ControlPacket

Enumeration for DSR Control Packets.

Enumerator
ctrlPacket_ROUTE_REQUEST
ctrlPacket_ROUTE_REPLY
ctrlPacket_ROUTE_ERROR
ctrlPacket_ACK

Definition at line 85 of file DSR.h.

◆ enum_DSR_OptionType

enum enum_DSR_OptionType

Enumeration for DSR option types.

Enumerator
optType_RouteRequest
optType_RouteReply
optType_RouteError
optType_Ack
optType_SourceRoute
optType_AckRequest

Definition at line 94 of file DSR.h.

◆ enum_DSR_Subevent

enum enum_DSR_Subevent

Enumeration for DSR Subevents.

Enumerator
subevent_RREQ_TIMEOUT
subevent_MAINT_TIMEOUT
subevent_PROCESS_RERR

Definition at line 77 of file DSR.h.

Function Documentation

◆ dsr_get_curr_if()

NETSIM_ID dsr_get_curr_if ( )

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◆ dsr_get_curr_ip()

NETSIM_IPAddress dsr_get_curr_ip ( )

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◆ dsr_get_dev_ip()

NETSIM_IPAddress dsr_get_dev_ip ( NETSIM_ID d )

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◆ fn_NetSim_DSR_Add_Ack_request_Option()

int fn_NetSim_DSR_Add_Ack_request_Option	(	NetSim_PACKET *	packet,
		NetSim_EVENTDETAILS *	pstruEventDetails
	)

This function adds the Acknowledge request option to the packet.

Definition at line 20 of file Network_Layer_Ack.c.

◆ fn_NetSim_DSR_AddSourceRouteOption()

int fn_NetSim_DSR_AddSourceRouteOption	(	NetSim_PACKET *	packet,
		DSR_ROUTE_CACHE *	cache
	)

This function adds the source route option

Definition at line 20 of file SourceRoute.c.

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◆ fn_NetSim_DSR_AddToMaintBuffer()

int fn_NetSim_DSR_AddToMaintBuffer	(	NETSIM_ID	nDeviceId,
		NetSim_PACKET *	pstruPacket,
		double	dTime
	)

Whenever a packet is to be sent to the target and the device has the next Hop IP, the packet is added to the MaintBuffer and retained there until and acknowledge is received or a timeout happens in which case the packets are retransmitted.

Definition at line 22 of file MaintBuffer.c.

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◆ fn_NetSim_DSR_AddToSendBuffer()

bool fn_NetSim_DSR_AddToSendBuffer	(	DSR_SEND_BUFFER **	sendBuffer,
		NetSim_PACKET *	packet,
		double	dTime
	)

This function adds the packet to send buffer.

Definition at line 20 of file SendBuffer.c.

◆ fn_NetSim_DSR_CheckRouteFound()

bool fn_NetSim_DSR_CheckRouteFound	(	NETSIM_IPAddress	destAddress,
		DSR_DEVICE_VAR *	devVar,
		NETSIM_IPAddress *	nextHop,
		double	dTime,
		DSR_ROUTE_CACHE **	cache
	)

This function checks if the route cache of the device has the route to the Destination

Definition at line 20 of file CheckRouteFound.c.

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◆ fn_NetSim_DSR_CheckSendBuffer()

void fn_NetSim_DSR_CheckSendBuffer	(	NETSIM_ID	nDeviceId,
		double	dTime
	)

This function checks if the route cache has the route to the target and transmits the packet if it has.

Definition at line 83 of file SendBuffer.c.

◆ fn_NetSim_DSR_DeleteEntryFromRouteCache()

int fn_NetSim_DSR_DeleteEntryFromRouteCache	(	DSR_ROUTE_CACHE **	ppcache,
		NETSIM_IPAddress	ip1,
		NETSIM_IPAddress	ip2
	)

This function deletes an entry from the route cache.

Definition at line 95 of file RouteCache.c.

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◆ fn_NetSim_DSR_EmptyMaintBuffer()

int fn_NetSim_DSR_EmptyMaintBuffer	(	NETSIM_ID	nDeviceId,
		NETSIM_ID	nextHop
	)

This function Empties the DSR Maintenance Buffer.

Definition at line 209 of file MaintBuffer.c.

◆ fn_NetSim_DSR_EmptySendBuffer()

void fn_NetSim_DSR_EmptySendBuffer	(	NETSIM_IPAddress	targetAddress,
		NETSIM_ID	nDeviceId
	)

This function Empties the send buffer.

Definition at line 56 of file SendBuffer.c.

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◆ fn_NetSim_DSR_FillAddress()

unsigned int fn_NetSim_DSR_FillAddress	(	DSR_SOURCE_ROUTE_OPTION *	srcOption,
		DSR_ROUTE_CACHE *	cache,
		NETSIM_IPAddress	src,
		NETSIM_IPAddress	dest
	)

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◆ fn_NetSim_DSR_FindCache()

DSR_ROUTE_CACHE * fn_NetSim_DSR_FindCache	(	DSR_DEVICE_VAR *	devVar,
		NETSIM_IPAddress	address,
		double	dTime
	)

This function searches the route cache for a route to the target from the device. If route is found, it returns the route.

Definition at line 50 of file RouteCache.c.

◆ fn_NetSim_DSR_Finish_F()

int fn_NetSim_DSR_Finish_F ( )

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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_FreePacket()

int fn_NetSim_DSR_FreePacket ( NetSim_PACKET * packet )

This function is called by NetworkStack.dll, to free the TCP protocol.

Definition at line 202 of file DSR.c.

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◆ fn_NetSim_DSR_GeneralPacketProcessing()

int fn_NetSim_DSR_GeneralPacketProcessing ( NetSim_EVENTDETAILS * pstruEventDetails )

This function is called in the Network Out Event for routing of the packet.

Whenever a packet is to be routed to a destination and the device route cache doesnt have a route to the target, the Packet is added to the Send buffer and a Route Discovery is iitiated.

If the Device route cache has a route to the target, then the packet is added to the Maintanence Buffer and the count of packets originated is incremented.

Definition at line 28 of file PacketProcessing.c.

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◆ fn_NetSim_DSR_GenerateCtrlPacket()

NetSim_PACKET * fn_NetSim_DSR_GenerateCtrlPacket	(	NETSIM_ID	src,
		NETSIM_ID	dest,
		NETSIM_ID	recv,
		double	dTime,
		DSR_CONTROL_PACKET	type
	)

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◆ fn_NetSim_DSR_GenerateRERR()

int fn_NetSim_DSR_GenerateRERR	(	DSR_MAINT_BUFFER *	maintBuffer,
		NetSim_EVENTDETAILS *	pstruEventDetails
	)

This function generates a route error packet.

Definition at line 33 of file RouteError.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_GetBroadCastJitter()

double fn_NetSim_DSR_GetBroadCastJitter ( )

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◆ fn_NetSim_DSR_InitRouteRequest()

NetSim_PACKET * fn_NetSim_DSR_InitRouteRequest	(	NETSIM_IPAddress	target,
		DSR_RREQ_TABLE **	rreqTable,
		NETSIM_ID	nDeviceId,
		double	dTime,
		NetSim_EVENTDETAILS *	pstruEventDetails
	)

This function initiates a route request to the target.

Definition at line 24 of file RouteRequest.c.

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◆ fn_NetSim_DSR_LinkLayerAck()

int fn_NetSim_DSR_LinkLayerAck ( NetSim_PACKET * )

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◆ fn_NetSim_DSR_MaintTimeout()

int fn_NetSim_DSR_MaintTimeout ( NetSim_EVENTDETAILS * pstruEventDetails )

This is called when DSR Maintenance Timeout happens. It retransmits the packets if acknowledgemnet is not received and the transmit count is less the DSR MaxMaintenance Retransmit limit. Else it empties the buffer.

Definition at line 123 of file MaintBuffer.c.

◆ fn_NetSim_DSR_Process_AckRequestOption()

int fn_NetSim_DSR_Process_AckRequestOption	(	NetSim_PACKET *	packet,
		NetSim_EVENTDETAILS *	pstruEventDetails
	)

If a packet has an acknowledge request option, this function generates the acknowledge and transmits it.

Definition at line 49 of file Network_Layer_Ack.c.

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◆ fn_NetSim_DSR_ProcessAckOption()

int fn_NetSim_DSR_ProcessAckOption ( NetSim_EVENTDETAILS * pstruEventDetails )

Whenever an acknowlegement is received, the DSR Maintenance Buffer is Emptied.

Definition at line 94 of file Network_Layer_Ack.c.

◆ fn_NetSim_DSR_ProcessRerr()

int fn_NetSim_DSR_ProcessRerr ( NetSim_EVENTDETAILS * pstruEventDetails )

This function process the route error that is received. It deletes the entry of the route to the target from the route cache and then forwards the Route error to the previous HOP.

Definition at line 97 of file RouteError.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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◆ fn_NetSim_DSR_ProcessRREQ()

int fn_NetSim_DSR_ProcessRREQ ( NetSim_EVENTDETAILS * pstruEventDetails )

This function process the RREQ that a device gets. If the target address is the device, it generates a RREP. If the RREQ packet contains the device IP in its address list, it drops the packet. If the Device cache contains the route to the target, then the device replies via the route cache. If no route is present, then the device forwards the RREQ.

Definition at line 237 of file RouteRequest.c.

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◆ fn_NetSim_DSR_ProcessSourceRouteOption()

int fn_NetSim_DSR_ProcessSourceRouteOption ( NetSim_EVENTDETAILS * pstruEventDetails )

This function process the data packet. it the device is the intended target, it adds a Transport_In_Event. Else it adds Network_Out_Event

Definition at line 58 of file SourceRoute.c.

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◆ fn_NetSim_DSR_RetransmitBuffer()

int fn_NetSim_DSR_RetransmitBuffer	(	DSR_MAINT_BUFFER *	maintBuffer,
		NetSim_EVENTDETAILS *	pstruEventDetails
	)

This function retransmits the packets in the DSR Maintanence Buffer.

Definition at line 174 of file MaintBuffer.c.

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◆ fn_NetSim_DSR_RetryRREQ()

NetSim_PACKET * fn_NetSim_DSR_RetryRREQ	(	NETSIM_IPAddress	targetAddress,
		NETSIM_ID	nDeviceId,
		double	dTime,
		NetSim_EVENTDETAILS *	pstruEventDetails
	)

This function retransmits the RREQ packet.

Definition at line 126 of file RouteRequest.c.

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◆ fn_NetSim_DSR_RREQTimeout()

int fn_NetSim_DSR_RREQTimeout ( NetSim_EVENTDETAILS * pstruEventDetails )

This function checks if a route is present in the route cache. If not, then it retransmits the route request packet if the route request count is less than the DSR Max Retransmit limit. If the RREQ count is > Max Retransmit Limit, it Empties the Send Buffer and deletes the RREQ entry from the RREQ table.

Definition at line 87 of file RouteRequest.c.

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◆ fn_NetSim_DSR_TransmitPacketFromSendBuffer()

int fn_NetSim_DSR_TransmitPacketFromSendBuffer	(	DSR_SEND_BUFFER *	sendBuffer,
		NETSIM_ID	nDeviceId,
		double	dTime
	)

This function transmits the packets from sent buffer

Definition at line 120 of file SendBuffer.c.

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◆ fn_NetSim_DSR_UpdateRouteCache()

int fn_NetSim_DSR_UpdateRouteCache	(	unsigned int	length,
		NETSIM_IPAddress *	address,
		double	dTime
	)

This function adds a route to the route cache. This is the entire list of address from the device to the target in sequence

Definition at line 21 of file RouteCache.c.

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◆ fn_NetSim_DSR_ValidateRouteCache()

bool fn_NetSim_DSR_ValidateRouteCache	(	DSR_ROUTE_CACHE *	cache,
		NETSIM_IPAddress *	addList,
		int	count
	)

If the route cache contains the address in the addList, it returns a false.

Definition at line 78 of file RouteCache.c.

◆ getRREQTable()

DSR_RREQ_TABLE * getRREQTable	(	NETSIM_IPAddress	target,
		DSR_RREQ_TABLE *	table
	)

If a RREQ to a target is before hand generated, this entry is made in the RREQ Table. This function gets the RREQ table of the target IP if the RREQ was beforehand sent.

Definition at line 184 of file RouteRequest.c.

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◆ isDsrConfigured()

bool isDsrConfigured	(	NETSIM_ID	d,
		NETSIM_ID	in
	)

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◆ set_dsr_curr()

void set_dsr_curr ( )

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Data Structures

Macros

Typedefs

Enumerations

Functions

Macro Definition Documentation

◆ BROADCAST_JITTER

◆ DSR_ACK_OPTION_LEN

◆ DSR_ACK_REQUEST_LEN

◆ DSR_ADD_ACK_REQUEST

◆ DSR_ADD_SRC_ROUTE

◆ DSR_ADD_TO_MAINT_BUFFER

◆ DSR_ADD_TO_SEND_BUFFER

◆ DSR_CHECK_ROUTE_FOUND

◆ DSR_CHECK_SEND_BUFFER

◆ DSR_DELETE_ENTRY_CACHE

◆ DSR_DEV_VAR

◆ DSR_DISCOVERY_HOP_LIMIT

◆ DSR_EMPTY_MAINT_BUFFER

◆ DSR_EMPTY_SEND_BUFFER

◆ DSR_FIND_CACHE

◆ DSR_GENERATE_RERR

◆ DSR_GENERATE_RREP

◆ DSR_GENERATE_RREP_USING_CACHE

◆ DSR_INIT_RREQ

◆ DSR_MAINT_TIMEOUT

◆ DSR_MAX_REQUEST_PERIOD

◆ DSR_MAX_REQUEST_REXMT

◆ DSR_MaxMaintRexmt

◆ DSR_OPTION_HEADER_SIZE

◆ DSR_PACKET_PROCESSING

◆ DSR_PROCESS_ACK

◆ DSR_PROCESS_ACK_REQUEST

◆ DSR_PROCESS_RERR

◆ DSR_PROCESS_RREP

◆ DSR_PROCESS_RREQ

◆ DSR_PROCESS_SRC_ROUTE

◆ DSR_REQUEST_PERIOD

◆ DSR_RERR_SIZE_FIXED

◆ DSR_RETRANSMIT_BUFFER

◆ DSR_RETRY_RREQ

◆ DSR_RREP_LEN

◆ DSR_RREP_SIZE_FIXED

◆ DSR_RREQ_LEN

◆ DSR_RREQ_OPT_LEN

◆ DSR_RREQ_SIZE_FIXED

◆ DSR_RREQ_SIZE_IPV6_FIXED

◆ DSR_RREQ_TIMEOUT

◆ DSR_SOURCEROUTE_SIZE_FIXED

◆ DSR_TRANSMIT_SEND_BUFFER

◆ DSR_UPDATE_ROUTE_CACHE

◆ DSR_VALIDATE_CACHE

◆ isDSRPACKET

◆ MAINT_HOLD_OFF_TIME

◆ MAINTBUFFER_ALLOC

◆ NO_NEXT_HEADER

◆ NonpropRequestTimeout

◆ ROUTE_CACHE_TIMEOUT

◆ ROUTECACHE_ALLOC

◆ RREQTABLE_ALLOC

◆ SENDBUFFER_ALLOC

Typedef Documentation

◆ DSR_ACK_OPTION

◆ DSR_ACK_REQ_OPTION

◆ DSR_CONTROL_PACKET

◆ DSR_DEVICE_VAR

◆ DSR_MAINT_BUFFER

◆ DSR_OPTION_HEADER

◆ DSR_OPTION_TYPE

◆ DSR_PRIMITIVES

◆ DSR_RERR_OPTION

◆ DSR_ROUTE_CACHE

◆ DSR_RREP_OPTION

◆ DSR_RREQ_OPTION

◆ DSR_RREQ_TABLE

◆ DSR_SEND_BUFFER

◆ DSR_SOURCE_ROUTE_OPTION

◆ DSR_SUBEVENT

Enumeration Type Documentation

◆ enum_DSR_ControlPacket