#include "main.h"
#include "Scheduling.h"
#include "NetSim_Plot.h"

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Macros
#define	fnGetList(pstruPacketlist, Priority) (pstruPacketlist+Priority/(Priority_High-Priority_Medium))

Enumerations
enum	enum_Buffer_Manipulation_Type { ADD = 1 , GET }

Functions
enum enum_BUFFER	fn_NetSim_DropTail (NetSim_BUFFER , NetSim_PACKET )

enum enum_BUFFER	fn_NetSim_RED (NetSim_BUFFER , NetSim_PACKET )

enum enum_BUFFER	fn_NetSim_WRED (NetSim_BUFFER , NetSim_PACKET )

NetSim_PACKET *	fn_NetSim_Priority (NetSim_BUFFER , NetSim_PACKET , int, int)

NetSim_PACKET *	fn_NetSim_FIFO (NetSim_BUFFER , NetSim_PACKET , int, int)

NetSim_PACKET *	fn_NetSim_RoundRobin (NetSim_BUFFER , NetSim_PACKET , int, int)

NetSim_PACKET *	fn_NetSim_WFQ (NetSim_BUFFER , NetSim_PACKET , int, int)

NetSim_PACKET *	fn_NetSim_EDF (NetSim_BUFFER , NetSim_PACKET , int, int)

UINT64	fn_NetSim_GetPosition_MaximumNumber (UINT64 *nCount)

bool	fn_NetSim_GetBufferStatus (NetSim_BUFFER *)

enum enum_BUFFER	fn_NetSim_CheckBuffer (NetSim_BUFFER , NetSim_PACKET )

static void	fn_NetSim_DropPackets (NetSim_BUFFER , NetSim_PACKET )

static void *	init_buffer_plot (NETSIM_ID d, NETSIM_ID in)

enum enum_Buffer	fn_NetSim_Queuing (NetSim_BUFFER pstruBuffer, NetSim_PACKET pstruData)

int	fn_NetSim_Packet_AddPacketToBuffer (NetSim_BUFFER pstruBuffer, NetSim_PACKET pstruData)

NetSim_PACKET *	fn_NetSim_GetPacketFromBuffer (NetSim_BUFFER *pstruBuffer, int nFlag)

static void	add_current_size_buffer (NetSim_BUFFER pstruBuffer, NetSim_PACKET pstruData)

static void	reduce_current_size_buffer (NetSim_BUFFER pstruBuffer, NetSim_PACKET pstruData)

static enum enum_BUFFER	red_algorithm (NetSim_BUFFER pstruBuffer, NetSim_PACKET pstruData)

static enum enum_BUFFER	wred_algorithm (NetSim_BUFFER pstruBuffer, NetSim_PACKET pstruData, double max_th, double min_th, double max_p, int count, double random)

static void	edf_algorithm_drop_expired_packets (NetSim_BUFFER *pstruBuffer)

static NetSim_PACKET *	edf_algorithm_get_earliest_deadline_packet (NetSim_BUFFER *pstruBuffer)

Macro Definition Documentation

◆ fnGetList

#define fnGetList	(	pstruPacketlist,
		Priority
	)	(pstruPacketlist+Priority/(Priority_High-Priority_Medium))

Definition at line 11 of file Scheduling.c.

Enumeration Type Documentation

◆ enum_Buffer_Manipulation_Type

enum enum_Buffer_Manipulation_Type

Enumerator
ADD
GET

Definition at line 6 of file Scheduling.c.

Function Documentation

◆ add_current_size_buffer()

static void add_current_size_buffer	(	NetSim_BUFFER *	pstruBuffer,
		NetSim_PACKET *	pstruData
	)

static

Function is used to add packet size to of buffer

Definition at line 317 of file Scheduling.c.

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◆ edf_algorithm_drop_expired_packets()

static void edf_algorithm_drop_expired_packets ( NetSim_BUFFER * pstruBuffer )

static

Helper function for EDF Scheduling Technique

Definition at line 788 of file Scheduling.c.

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◆ edf_algorithm_get_earliest_deadline_packet()

static NetSim_PACKET * edf_algorithm_get_earliest_deadline_packet ( NetSim_BUFFER * pstruBuffer )

static

Helper function for EDF Scheduling Technique

Definition at line 839 of file Scheduling.c.

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◆ fn_NetSim_CheckBuffer()

enum enum_BUFFER fn_NetSim_CheckBuffer	(	NetSim_BUFFER *	pstruBuffer,
		NetSim_PACKET *	pstruData
	)

If the Current buffer size is greater than the Maximum buffer size --> Buffer Overflow Otherwise Buffer underflows.

Definition at line 276 of file Scheduling.c.

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◆ fn_NetSim_DropPackets()

static void fn_NetSim_DropPackets	(	NetSim_BUFFER *	pstruBuffer,
		NetSim_PACKET *	pstruData
	)

static

Function for dropping packets

Definition at line 262 of file Scheduling.c.

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◆ fn_NetSim_DropTail()

enum enum_BUFFER fn_NetSim_DropTail	(	NetSim_BUFFER *	pstruBuffer,
		NetSim_PACKET *	pstruData
	)

Queuing - Packets are dropped only when buffer is full

Definition at line 307 of file Scheduling.c.

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◆ fn_NetSim_EDF()

NetSim_PACKET * fn_NetSim_EDF	(	NetSim_BUFFER *	pstruBuffer,
		NetSim_PACKET *	pstruData,
		int	nType,
		int	nFlag
	)

If the type is ADD, then all the packets will be added in the buffer based on arrival If the type is GET, then the expired packets are dropped from buffer and earliest deadline packet is served from the buffer

Definition at line 874 of file Scheduling.c.

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◆ fn_NetSim_FIFO()

NetSim_PACKET * fn_NetSim_FIFO	(	NetSim_BUFFER *	pstruBuffer,
		NetSim_PACKET *	pstruData,
		int	nType,
		int	nFlag
	)

If the type is ADD, then all the packets will be added in the buffer based on the arrival If the type is GET, then the packets to be retrieved depends on the arrangement in the queue

Definition at line 577 of file Scheduling.c.

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◆ fn_NetSim_GetBufferStatus()

bool fn_NetSim_GetBufferStatus ( NetSim_BUFFER * pstruBuffer )

This function is to check whether buffer list has any packet or not

Definition at line 41 of file Scheduling.c.

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◆ fn_NetSim_GetPacketFromBuffer()

NetSim_PACKET * fn_NetSim_GetPacketFromBuffer	(	NetSim_BUFFER *	pstruBuffer,
		int	nFlag
	)

This function is to get the packet from the buffer

Definition at line 168 of file Scheduling.c.

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◆ fn_NetSim_GetPosition_MaximumNumber()

UINT64 fn_NetSim_GetPosition_MaximumNumber ( UINT64 * nCount )

The function will get the array and it will return the Maximum number's position

Definition at line 243 of file Scheduling.c.

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◆ fn_NetSim_Packet_AddPacketToBuffer()

int fn_NetSim_Packet_AddPacketToBuffer	(	NetSim_BUFFER *	pstruBuffer,
		NetSim_PACKET *	pstruData
	)

This function is to add packet to the buffer

Definition at line 104 of file Scheduling.c.

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◆ fn_NetSim_Priority()

NetSim_PACKET * fn_NetSim_Priority	(	NetSim_BUFFER *	pstruBuffer,
		NetSim_PACKET *	pstruData,
		int	nType,
		int	nFlag
	)

If the type is ADD, then all the packets will be added in the buffer based on packet priority If the type is GET, then the packets to be retrieved based on the priority

Definition at line 512 of file Scheduling.c.

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◆ fn_NetSim_Queuing()

enum enum_Buffer fn_NetSim_Queuing	(	NetSim_BUFFER *	pstruBuffer,
		NetSim_PACKET *	pstruData
	)

This function is to return queuing status based on given algorithm

Definition at line 76 of file Scheduling.c.

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◆ fn_NetSim_RED()

enum enum_BUFFER fn_NetSim_RED	(	NetSim_BUFFER *	pstruBuffer,
		NetSim_PACKET *	pstruData
	)

Queuing - RED

Definition at line 388 of file Scheduling.c.

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◆ fn_NetSim_RoundRobin()

NetSim_PACKET * fn_NetSim_RoundRobin	(	NetSim_BUFFER *	pstruBuffer,
		NetSim_PACKET *	pstruData,
		int	nType,
		int	nFlag
	)

If the type is ADD, then all the packets will be added in the buffer based on packet priority in the corresponding list If the type is GET, then the packets to be retrieved in the order of one packet from each list(high priority list,Medium,Normal,Low)

Definition at line 620 of file Scheduling.c.

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◆ fn_NetSim_WFQ()

NetSim_PACKET * fn_NetSim_WFQ	(	NetSim_BUFFER *	pstruBuffer,
		NetSim_PACKET *	pstruData,
		int	nType,
		int	nFlag
	)

If the type is ADD, then all the packets will be added in the buffer based on packet priority in the corresponding list If the type is GET, then the packets to be retrieved in the order of maximum weight priority list(High,Medium,Normal,Low)

Definition at line 701 of file Scheduling.c.

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◆ fn_NetSim_WRED()

enum enum_BUFFER fn_NetSim_WRED	(	NetSim_BUFFER *	pstruBuffer,
		NetSim_PACKET *	pstruData
	)

Queuing - WRED

Definition at line 454 of file Scheduling.c.

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◆ init_buffer_plot()

static void * init_buffer_plot	(	NETSIM_ID	d,
		NETSIM_ID	in
	)

static

Definition at line 31 of file Scheduling.c.

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◆ red_algorithm()

static enum enum_BUFFER red_algorithm	(	NetSim_BUFFER *	pstruBuffer,
		NetSim_PACKET *	pstruData
	)

static

Helper function for RED Queuing Technique

Definition at line 353 of file Scheduling.c.

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◆ reduce_current_size_buffer()

static void reduce_current_size_buffer	(	NetSim_BUFFER *	pstruBuffer,
		NetSim_PACKET *	pstruData
	)

static

Function is used to reduce size of buffer(added while checkBuffer) in case of packet drop

Definition at line 336 of file Scheduling.c.

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◆ wred_algorithm()

static enum enum_BUFFER wred_algorithm	(	NetSim_BUFFER *	pstruBuffer,
		NetSim_PACKET *	pstruData,
		double	max_th,
		double	min_th,
		double	max_p,
		int *	count,
		double *	random
	)

static

Helper function for WRED Queuing Technique

Definition at line 419 of file Scheduling.c.

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Macros

Enumerations

Functions

Macro Definition Documentation

◆ fnGetList

Enumeration Type Documentation

◆ enum_Buffer_Manipulation_Type

Function Documentation

◆ add_current_size_buffer()

◆ edf_algorithm_drop_expired_packets()

◆ edf_algorithm_get_earliest_deadline_packet()

◆ fn_NetSim_CheckBuffer()

◆ fn_NetSim_DropPackets()

◆ fn_NetSim_DropTail()

◆ fn_NetSim_EDF()

◆ fn_NetSim_FIFO()

◆ fn_NetSim_GetBufferStatus()

◆ fn_NetSim_GetPacketFromBuffer()

◆ fn_NetSim_GetPosition_MaximumNumber()

◆ fn_NetSim_Packet_AddPacketToBuffer()

◆ fn_NetSim_Priority()

◆ fn_NetSim_Queuing()

◆ fn_NetSim_RED()

◆ fn_NetSim_RoundRobin()

◆ fn_NetSim_WFQ()

◆ fn_NetSim_WRED()

◆ init_buffer_plot()

◆ red_algorithm()

◆ reduce_current_size_buffer()

◆ wred_algorithm()