#include "core/interface/wmp_interface.h"
#include <stdio.h>
#include <netinet/in.h>
#include <sys/ioctl.h>
#include <sys/socket.h>
#include <linux/if.h>
#include <netpacket/packet.h>
#include <net/ethernet.h>
#include <linux/fs.h>
#include "../include/cross_space.h"
#include <fcntl.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "../include/ioctl_interface.h"

Include dependency graph for wmp_interface.c:

Functions
char	lqm_get_val (int i, int j)
int	wmp_queue_tx_get_room (void)
int	wmp_queue_tx_remove_head (void)
void	wmpClose ()
int	wmpGetActiveSearch (void)
int	wmpGetCpuDelay ()
int	wmpGetFlowControl ()
short	wmpGetInstanceId ()
int	wmpGetLatestDistances (char *lqm)
int	wmpGetLatestLQM (char *lqm)
unsigned int	wmpGetLoopId (void)
int	wmpGetMessageReschedule ()
unsigned int	wmpGetMTU (void)
int	wmpGetNetIT (void)
char	wmpGetNodeId (void)
int	wmpGetNumOfElementsInRXQueue (int port)
int	wmpGetNumOfElementsInTXQueue (void)
char	wmpGetNumOfNodes (void)
int	wmpGetPrimBasedRouting ()
int	wmpGetRate ()
unsigned int	wmpGetSerial (void)
int	wmpGetTimeout ()
int	wmpGetWCMult ()
int	wmpInit (char *ifname)
int	wmpIsKernelSpace ()
int	wmpIsNetworkConnected (void)
int	wmpIsNetworkConnectedBlocking (int timeout_ms)
int	wmpNonBlockingPop (Msg *p)
unsigned int	wmpPop (Msg *p)
int	wmpPopData (unsigned int port, char *p, unsigned int size, unsigned char src, signed char priority)
int	wmpPopDataCopy (unsigned int port, char p, unsigned int size, unsigned char src, signed char priority)
void	wmpPopDataDone (int id)
int	wmpPopDataTimeout (unsigned int port, char *p, unsigned int size, unsigned char src, signed char priority, int to)
int	wmpPopDataTimeoutCopy (unsigned int port, char p, unsigned int size, unsigned char src, signed char priority, int to)
int	wmpPush (Msg *p)
int	wmpPushData (unsigned int port, char *p, unsigned int size, unsigned int dest, signed char priority)
void	wmpRun ()
void	wmpRunBG ()
void	wmpSetActiveSearch (int val)
void	wmpSetCpuDelay (int val)
void	wmpSetFlowControl (int val)
void	wmpSetInstanceId (short iid)
void	wmpSetMessageReschedule (int val)
void	wmpSetPrimBasedRouting (int val)
void	wmpSetRate (int val)
void	wmpSetTimeout (int val)
int	wmpSetup (char p1, char p2)
void	wmpSetWCMult (int val)
int	wmpTimedPop (Msg *p, int timeout_ms)
Variables
static int	fp
static struct ifreq	ifr
static int	ioctl_sock

Function Documentation

char lqm_get_val	(	int	i,
		int	j
	)

Definition at line 615 of file wmp_interface.c.

int wmp_queue_tx_get_room ( void )

Returns the number of free posiitons in the TX queue

Returns:: number of free positions in the TX queue

Definition at line 393 of file wmp_interface.c.

int wmp_queue_tx_remove_head ( void )

Remove the less priority message from the TX queue

Parameters:

p	the removed message

Definition at line 285 of file wmp_interface.c.

void wmpClose ( )

Definition at line 64 of file wmp_interface.c.

int wmpGetActiveSearch ( void )

Returns the status of the active search capability

Returns:: status 1:on 0:off

Definition at line 465 of file wmp_interface.c.

int wmpGetCpuDelay ( void )

Returns the delay that RT-WMP process waits before transmitting (to leave the processor to other tasks)

Returns:: delay in milliseconds

Definition at line 309 of file wmp_interface.c.

int wmpGetFlowControl ( void )

Definition at line 561 of file wmp_interface.c.

short wmpGetInstanceId ( void )

Definition at line 489 of file wmp_interface.c.

int wmpGetLatestDistances ( char * lqm )

Definition at line 247 of file wmp_interface.c.

int wmpGetLatestLQM ( char * lqm )

Returns latest lqm in a buffer. The Matrix should be scanned with a innested for loop:


        char lqm[wmpGetNumOfNodes()*wmpGetNumOfNodes()],p;
        wmpGetLatestLQM(lqm);
        p = lqm;
	for (i = 0; i<wmpGetNumOfNodes() ; i++){
		for (j = 0; j<wmpGetNumOfNodes() ; j++){
			element_ij = *p;
			p++;
		};
	};
 

Parameters:

  
    lqm an (at least) n x n char buffer (output parameter) 
  
  

Returns:
always 0

Definition at line 235 of file wmp_interface.c.

unsigned int wmpGetLoopId ( void )

Definition at line 585 of file wmp_interface.c.

int wmpGetMessageReschedule ( void )

Definition at line 537 of file wmp_interface.c.

unsigned int wmpGetMTU ( void )

Returns the Maximum Transmission Unit for USER data

Returns:: the MTU size in bytes

Definition at line 441 of file wmp_interface.c.

int wmpGetNetIT ( void )

Returns the network inactivity timeout

Returns:: the net inactivity timeout

Definition at line 429 of file wmp_interface.c.

char wmpGetNodeId ( void )

Returns the WMP address of the local node

Returns:: the WMP address of the local node

Definition at line 211 of file wmp_interface.c.

int wmpGetNumOfElementsInRXQueue ( int port )

Returns the number of elements in the RX queue

Returns:: number of elements in the RX queue

Definition at line 417 of file wmp_interface.c.

int wmpGetNumOfElementsInTXQueue ( void )

Returns the number of elements in the TX queue

Returns:: number of elements in the TX queue

Definition at line 405 of file wmp_interface.c.

char wmpGetNumOfNodes ( void )

Returns the total number of nodes of the network

Returns:: the total number of nodes of the network

Definition at line 223 of file wmp_interface.c.

int wmpGetPrimBasedRouting ( void )

Definition at line 513 of file wmp_interface.c.

int wmpGetRate ( void )

Returns the network rate (used to calculate delays in frame-hops)

Returns:: rate in Mbps

Definition at line 381 of file wmp_interface.c.

unsigned int wmpGetSerial ( void )

Definition at line 573 of file wmp_interface.c.

int wmpGetTimeout ( void )

Returns the reception timeout

Returns:: reception timeout in milliseconds

Definition at line 333 of file wmp_interface.c.

int wmpGetWCMult ( void )

Returns multiplier for the worst-case loop of the protocol (used to force worse worst-cases and increase QoS performances)

Returns:: multiplier

Definition at line 357 of file wmp_interface.c.

int wmpInit ( char * ifname )

Definition at line 48 of file wmp_interface.c.

int wmpIsKernelSpace ( void )

Definition at line 611 of file wmp_interface.c.

int wmpIsNetworkConnected ( void )

Allows knowing if the network is connected (i.e. all the nodes are up and working and connected among them)

Returns:: 1 if connected 0 if disconnected

Definition at line 260 of file wmp_interface.c.

int wmpIsNetworkConnectedBlocking ( int timeout_ms )

Allows knowing if the network is connected (i.e. all the nodes are up and working and connected among them and if not, blocks the caller thread until connected

Parameters:

timeout_ms specify the maximum wait for connection (if timeout_ms = 0 wait forever)

Returns:: 1 if connected 0 if disconnected

Definition at line 272 of file wmp_interface.c.

int wmpNonBlockingPop ( Msg * p )

Dequeue a message from the RX Queue if present. If there are not message to dequeue, returns a negative value

Parameters:

p	the message to pop

Returns:: time spent in the queue (age) if dequeued -1 if no message to pop

Definition at line 80 of file wmp_interface.c.

unsigned int wmpPop ( Msg * p )

Dequeue a message from the RX Queue

Parameters:

p	the message to pop

Returns:: time spent in the queue (age)

Definition at line 72 of file wmp_interface.c.

int wmpPopData	(	unsigned int	port,
		char **	p,
		unsigned int *	size,
		unsigned char *	src,
		signed char *	priority
	)

Definition at line 170 of file wmp_interface.c.

int wmpPopDataCopy	(	unsigned int	port,
		char *	p,
		unsigned int *	size,
		unsigned char *	src,
		signed char *	priority
	)

Definition at line 84 of file wmp_interface.c.

void wmpPopDataDone ( int id )

Definition at line 204 of file wmp_interface.c.

int wmpPopDataTimeout	(	unsigned int	port,
		char **	p,
		unsigned int *	size,
		unsigned char *	src,
		signed char *	priority,
		int	to
	)

Definition at line 174 of file wmp_interface.c.

int wmpPopDataTimeoutCopy	(	unsigned int	port,
		char *	p,
		unsigned int *	size,
		unsigned char *	src,
		signed char *	priority,
		int	to
	)

Definition at line 144 of file wmp_interface.c.

int wmpPush ( Msg * p )

Enqueue a message in the TX Queue

Parameters:

p	the message to push

Returns:: 1 if success 0 if not (queue full)

Definition at line 68 of file wmp_interface.c.

int wmpPushData	(	unsigned int	port,
		char *	p,
		unsigned int	size,
		unsigned int	dest,
		signed char	priority
	)

Definition at line 133 of file wmp_interface.c.

void wmpRun ( void )

Starts the process in foreground (blocking)

Definition at line 601 of file wmp_interface.c.

void wmpRunBG ( void )

Starts the process in background (separate thread)

Definition at line 607 of file wmp_interface.c.

void wmpSetActiveSearch ( int val )

Set / Unset the active search capability (default:on)

Definition at line 453 of file wmp_interface.c.

void wmpSetCpuDelay ( int val )

Sets the delay that RT-WMP process waits before transmitting (to leave the processor to other tasks)

Parameters:

val	time in milliseconds

Definition at line 297 of file wmp_interface.c.

void wmpSetFlowControl ( int val )

Definition at line 549 of file wmp_interface.c.

void wmpSetInstanceId ( short iid )

Definition at line 477 of file wmp_interface.c.

void wmpSetMessageReschedule ( int val )

Definition at line 525 of file wmp_interface.c.

void wmpSetPrimBasedRouting ( int val )

Definition at line 501 of file wmp_interface.c.

void wmpSetRate ( int val )

Sets network rate (used to calculate delays in frame-hops)

Parameters:

val	rate in Mbps

Definition at line 369 of file wmp_interface.c.

void wmpSetTimeout ( int val )

Sets the reception timeout

Parameters:

val	time in milliseconds

Definition at line 321 of file wmp_interface.c.

int wmpSetup	(	char	node_id,
		char	active_nodes
	)

Sets up the network

Parameters:

node_id	specify the WMP address of the local node
active_nodes	specify the number of nodes in the network

Definition at line 597 of file wmp_interface.c.

void wmpSetWCMult ( int val )

Sets multiplier for the worst-case loop of the protocol (used to force worse worst-cases and increase QoS performances)

Parameters:

val	multiplier

Definition at line 345 of file wmp_interface.c.

int wmpTimedPop	(	Msg *	p,
		int	timeout_ms
	)

Dequeue a message from the RX Queue if already in the queue or enqueued within timeous_ms milliseconds. If there are not message to dequeue, returns a negative value

Parameters:

p	the message to pop
timeout_ms	pop timeout in milliseconds

Returns:: time spent in the queue (age) if dequeued -1 if timeout expired

Definition at line 76 of file wmp_interface.c.

Variable Documentation

int fp [static]

Definition at line 45 of file wmp_interface.c.

struct ifreq ifr [static]

Definition at line 46 of file wmp_interface.c.

int ioctl_sock [static]

Definition at line 45 of file wmp_interface.c.

Functions

Variables

Function Documentation

Variable Documentation