/***************************************************************
 *
 *	boapdll.c
 *
 *	The "best of all possible data link layers" cnet example
 *	from section 4 of "Getting Started With cnet,"
 *	Jeff Ondich, 2000.
 *
 ***************************************************************/

#include	<cnet.h>
#include	"boapdll.h"

void reboot_node( CnetEvent event, CnetTimer timer, CnetData data )
{
    CHECK( CNET_set_handler( EV_APPLICATIONREADY, on_app_ready, 0 ) );
	CHECK( CNET_set_handler( EV_PHYSICALREADY, on_phys_ready, 0 ) );

	CHECK( CNET_enable_application( ALLNODES ) );
}

void on_app_ready( CnetEvent event, CnetTimer timer, CnetData data )
{
	CnetAddr	destAddr;
	Frame		frame;
	int			frameLength;
	int			messageLength;

	/* Get the message from the application layer. */

	messageLength = MAX_MESSAGE_SIZE;
	CHECK( CNET_read_application( &destAddr, frame.info, &messageLength ) );


	/* Send the frame to the physical layer. */

	frameLength = FRAME_HEADER_SIZE + messageLength;
	CHECK( CNET_write_physical_reliable( 1, (char *)(&frame), &frameLength ) );
}


void on_phys_ready( CnetEvent event, CnetTimer timer, CnetData data )
{
	Frame	frame;
	int		link;
	int		frameLength;
	int		messageLength;

	/* Get the frame from the physical layer. */

	frameLength = sizeof( Frame );
	CHECK( CNET_read_physical( &link, (char *)(&frame), &frameLength ) ); 


	/* Send the message to the application layer. */

	messageLength = frameLength - FRAME_HEADER_SIZE;
	CHECK( CNET_write_application( frame.info, &messageLength ) );
}