3aa12267a5
(except in netccitt, netiso and netns) that I didn't notice when I fixed "all" such warnings before.
182 lines
3.7 KiB
C
182 lines
3.7 KiB
C
static char _ispyid[] = "@(#)$Id: iispy.c,v 1.2 1995/02/15 06:28:27 jkh Exp $";
|
|
/*******************************************************************************
|
|
* II - Version 0.1 $Revision: 1.2 $ $State: Exp $
|
|
*
|
|
* Copyright 1994 Dietmar Friede
|
|
*******************************************************************************
|
|
* Bug reports, patches, comments, suggestions should be sent to:
|
|
*
|
|
* jkr@saarlink.de or jkrause@guug.de
|
|
*
|
|
*******************************************************************************
|
|
* $Log: iispy.c,v $
|
|
* Revision 1.2 1995/02/15 06:28:27 jkh
|
|
* Fix up include paths, nuke some warnings.
|
|
*
|
|
* Revision 1.1 1995/02/14 15:00:29 jkh
|
|
* An ISDN driver that supports the EDSS1 and the 1TR6 ISDN interfaces.
|
|
* EDSS1 is the "Euro-ISDN", 1TR6 is the soon obsolete german ISDN Interface.
|
|
* Obtained from: Dietmar Friede <dfriede@drnhh.neuhaus.de> and
|
|
* Juergen Krause <jkr@saarlink.de>
|
|
*
|
|
* This is only one part - the rest to follow in a couple of hours.
|
|
* This part is a benign import, since it doesn't affect anything else.
|
|
*
|
|
*
|
|
******************************************************************************/
|
|
|
|
#include "ispy.h"
|
|
#if NISPY > 0
|
|
|
|
#include "param.h"
|
|
#include "buf.h"
|
|
#include "systm.h"
|
|
#include "ioctl.h"
|
|
#include "tty.h"
|
|
#include "proc.h"
|
|
#include "user.h"
|
|
#include "uio.h"
|
|
#include "kernel.h"
|
|
/*#include "malloc.h"*/
|
|
|
|
#include "gnu/isdn/isdn_ioctl.h"
|
|
|
|
int nispy = NISPY;
|
|
int ispy_applnr;
|
|
static int next_if =0;
|
|
static unsigned long ispy_cnt, ispy_out;
|
|
static char dir;
|
|
#define ISPY_SIZE 260
|
|
#define OPEN 1
|
|
#define READ_WAIT 2
|
|
#define ISPYBUF 16
|
|
#define ISPYMASK (ISPYBUF-1)
|
|
/* ISPYBUF has to be a power of 2 */
|
|
|
|
static
|
|
struct ispy_data
|
|
{
|
|
struct ispy_buf
|
|
{
|
|
unsigned long cnt;
|
|
struct timeval stamp;
|
|
char ibuf[ISPY_SIZE];
|
|
unsigned char dir;
|
|
int ilen;
|
|
} b[ISPYBUF];
|
|
int state;
|
|
} ispy_data[NISPY];
|
|
|
|
int
|
|
ispyattach(int ap)
|
|
{
|
|
struct ispy_data *ispy;
|
|
if(next_if >= NISPY)
|
|
return(-1);
|
|
ispy= &ispy_data[next_if];
|
|
ispy->state= 0;
|
|
ispy_applnr= ap;
|
|
return(next_if++);
|
|
}
|
|
|
|
int
|
|
ispy_input(int no, int len, char *buf, int out)
|
|
{
|
|
struct ispy_data *ispy= &ispy_data[no];
|
|
struct ispy_buf *b= &ispy->b[ispy_cnt&ISPYMASK];
|
|
|
|
if(len > ISPY_SIZE)
|
|
return(0);
|
|
if(len)
|
|
{
|
|
b->cnt= ispy_cnt++;
|
|
b->stamp= time;
|
|
b->dir= out;
|
|
bcopy(buf, b->ibuf, len);
|
|
}
|
|
b->ilen= len;
|
|
if(ispy->state & READ_WAIT)
|
|
{
|
|
ispy->state &= ~READ_WAIT;
|
|
wakeup((caddr_t) &ispy->state);
|
|
}
|
|
return(len);
|
|
}
|
|
|
|
int
|
|
ispyopen(dev_t dev, int flag)
|
|
{
|
|
int err;
|
|
struct ispy_data *ispy;
|
|
|
|
if (minor(dev)>NISPY)
|
|
return (ENXIO);
|
|
|
|
ispy= &ispy_data[minor(dev)];
|
|
|
|
if(ispy->state&OPEN) return(EBUSY);
|
|
ispy->state |= OPEN;
|
|
|
|
return (0);
|
|
}
|
|
|
|
int
|
|
ispyclose(dev_t dev, int flag)
|
|
{
|
|
struct ispy_data *ispy= &ispy_data[minor(dev)];
|
|
|
|
if(ispy->state & READ_WAIT)
|
|
wakeup((caddr_t) &ispy->state);
|
|
ispy->state = 0;
|
|
return (0);
|
|
}
|
|
|
|
int
|
|
ispyioctl (dev, cmd, data, flag)
|
|
dev_t dev;
|
|
caddr_t data;
|
|
int cmd, flag;
|
|
{
|
|
int unit = minor(dev);
|
|
|
|
switch (cmd) {
|
|
default:
|
|
return (ENOTTY);
|
|
}
|
|
return (0);
|
|
}
|
|
|
|
int
|
|
ispyread(dev_t dev, struct uio * uio)
|
|
{
|
|
int x;
|
|
int error = 0;
|
|
struct ispy_data *ispy= &ispy_data[minor(dev)];
|
|
struct ispy_buf *b;
|
|
|
|
if((ispy_cnt-ispy_out) > ISPYBUF)
|
|
ispy_out= ispy_cnt - ISPYBUF;
|
|
b= &ispy->b[ispy_out&ISPYMASK];
|
|
ispy_out++;
|
|
while(b->ilen == 0)
|
|
{
|
|
ispy->state |= READ_WAIT;
|
|
if(error= tsleep((caddr_t) &ispy->state, TTIPRI | PCATCH, "ispy", 0 ))
|
|
return(error);
|
|
}
|
|
|
|
x = splhigh();
|
|
if(b->ilen)
|
|
{
|
|
error = uiomove((char *) &b->dir, 1, uio);
|
|
if(error == 0)
|
|
error = uiomove((char *) &b->cnt
|
|
,sizeof(unsigned long)+sizeof(struct timeval)+b->ilen, uio);
|
|
b->ilen= 0;
|
|
}
|
|
splx(x);
|
|
return error;
|
|
}
|
|
|
|
#endif
|