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Amiga Plus 1995 #5 & #6
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Amiga Plus CD - 1995 - No. 5 and 6.iso
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netz
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magplip
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track.c
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C/C++ Source or Header
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1995-08-20
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4KB
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158 lines
/*
** $VER: track.c 1.2 (20 Aug 1995)
**
** magplip.device - Parallel Line Internet Protocol
**
** Original code written by Oliver Wagner and Michael Balzer.
**
** This version has been completely reworked by Marius Gröger,
** introducing slight protocol changes. The new source is
** a lot better organized and maintainable.
**
** (C) Copyright 1993-1994 Oliver Wagner & Michael Balzer
** (C) Copyright 1995 Marius Gröger
** All Rights Reserved
**
** $HISTORY:
**
** 05 Mar 1995 : 001.001 : couldn't any longer stand the original, unstructured code
** 12 Feb 1995 : 001.000 : reworked original
*/
/*F*/ /* includes */
#ifndef CLIB_EXEC_PROTOS_H
#include <clib/exec_protos.h>
#include <pragmas/exec_sysbase_pragmas.h>
#endif
#ifndef EXEC_MEMORY_H
#include <exec/memory.h>
#endif
#ifndef EXEC_LISTS_H
#include <exec/lists.h>
#endif
#ifndef EXEC_NODES_H
#include <exec/nodes.h>
#endif
#ifndef _STRING_H
#include <string.h>
#endif
#ifndef __MAGPLIP_H
#include "magplip.h"
#endif
#ifndef __DEBUG_H
#include "debug.h"
#endif
/*E*/
/*F*/ /* exports */
extern BOOL addtracktype(BASEPTR, ULONG type);
extern BOOL remtracktype(BASEPTR, ULONG type);
extern VOID dotracktype(BASEPTR, ULONG type, ULONG ps, ULONG pr, ULONG bs, ULONG br, ULONG pd);
extern BOOL gettrackrec(BASEPTR, ULONG type, APTR info);
extern VOID freetracktypes(BASEPTR);
/*E*/
/*F*/ /* statics */
static struct TrackRec *findtracktype(BASEPTR, ULONG type);
/*E*/
/*F*/ static struct TrackRec *findtracktype(BASEPTR, ULONG type)
{
struct TrackRec * tr;
for (tr = (struct TrackRec *) pb->pb_TrackList.lh_Head; tr->tr_Link.mln_Succ;
tr = (struct TrackRec *) tr->tr_Link.mln_Succ)
{
if( tr->tr_PacketType == type )
return( tr );
}
return( NULL );
}
/*E*/
/*F*/ extern BOOL addtracktype(BASEPTR, ULONG type)
{
struct TrackRec *tr;
BOOL rv = FALSE;
ObtainSemaphore(&pb->pb_TrackListSem);
if (!(tr = findtracktype(pb, type)))
{
if (tr = AllocVec(sizeof(*tr), MEMF_CLEAR))
{
tr->tr_PacketType = type;
AddTail((struct List*)&pb->pb_TrackList, (struct Node *)tr);
rv = TRUE;
}
}
ReleaseSemaphore(&pb->pb_TrackListSem);
return rv;
}
/*E*/
/*F*/ extern BOOL remtracktype(BASEPTR, ULONG type)
{
struct TrackRec *tr;
BOOL rv = FALSE;
ObtainSemaphore( &pb->pb_TrackListSem );
if (tr = findtracktype(pb, type))
{
Remove((struct Node *)tr);
FreeVec(tr);
rv = TRUE;
}
ReleaseSemaphore( &pb->pb_TrackListSem );
return rv;
}
/*E*/
/*F*/ extern VOID dotracktype(BASEPTR, ULONG type, ULONG ps, ULONG pr, ULONG bs, ULONG br, ULONG pd)
{
struct TrackRec * tr;
ObtainSemaphore(&pb->pb_TrackListSem);
if (tr = findtracktype(pb, type))
{
tr->tr_Sana2PacketTypeStats.PacketsSent += ps;
tr->tr_Sana2PacketTypeStats.PacketsReceived += pr;
tr->tr_Sana2PacketTypeStats.BytesSent += bs;
tr->tr_Sana2PacketTypeStats.BytesReceived += br;
tr->tr_Sana2PacketTypeStats.PacketsDropped += pd;
}
ReleaseSemaphore(&pb->pb_TrackListSem);
}
/*E*/
/*F*/ extern BOOL gettrackrec(BASEPTR, ULONG type, APTR info)
{
struct TrackRec * tr;
BOOL rv = FALSE;
ObtainSemaphoreShared( &pb->pb_TrackListSem );
if (tr = findtracktype(pb, type))
{
memcpy(info, &tr->tr_Sana2PacketTypeStats, sizeof(tr->tr_Sana2PacketTypeStats));
rv = TRUE;
}
ReleaseSemaphore( &pb->pb_TrackListSem );
return rv;
}
/*E*/
/*F*/ extern VOID freetracktypes(BASEPTR)
{
struct Node *tr;
ObtainSemaphore(&pb->pb_TrackListSem);
while(tr = RemHead((struct List*)&pb->pb_TrackList))
FreeVec(tr);
ReleaseSemaphore(&pb->pb_TrackListSem);
}
/*E*/