Subversion Repositories shark

/*
 * Project: S.Ha.R.K.
 *
 * Coordinators:
 *   Giorgio Buttazzo    <giorgio@sssup.it>
 *   Paolo Gai           <pj@gandalf.sssup.it>
 *
 * Authors     :
 *   Paolo Gai           <pj@gandalf.sssup.it>
 *   Massimiliano Giorgi <massy@gandalf.sssup.it>
 *   Luca Abeni          <luca@gandalf.sssup.it>
 *   (see the web pages for full authors list)
 *
 * ReTiS Lab (Scuola Superiore S.Anna - Pisa - Italy)
 *
 * http://www.sssup.it
 * http://retis.sssup.it
 * http://shark.sssup.it
 */

/*
 * Copyright (C) 2000 Massimiliano Giorgi
 * Copyright (C) 2002 Paolo Gai
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 * CVS :        $Id: udptrace.c,v 1.3 2003-10-07 09:37:47 giacomo Exp $
 */

/*
 * Example of tracer initialization.
 */

#include <ll/i386/cons.h>

#include <kernel/func.h>
#include <kernel/trace.h>

#include <fs/bdevinit.h>
#include <fs/fsinit.h>
#include <fs/bdev.h>

#include <drivers/keyb.h>
#include <drivers/udpip.h>

#include <trace/trace.h>
#include <trace/queues.h>

#include <sys/mount.h>
#include <stddef.h>
#include <string.h>

char myipaddr[15], toipaddr[15];

void mytracer_prologue(void)
{
  int myqueue;
  TRC_PARMS p;
  TRC_UDP_PARMS u;
  UDP_ADDR local, remote;

  /* these are the IP numbers of my home PCs ;-) */
  strcpy(myipaddr, "192.168.1.2");
  strcpy(toipaddr, "192.168.1.1");

  clear();

  ip_str2addr(toipaddr,&(remote.s_addr));
  remote.s_port = 20000; // htons is done automatically;
  ip_str2addr(myipaddr,&(local.s_addr));
  local.s_port = 20000;  // htons is done automatically;

  trc_default_parms(p);
  trc_def_path(p,"");

  trc_udp_default_parms(u,local,remote);
 
  /* Tracer Initialization */
  /* the first functions to call... parameters can be passed */
  TRC_init_phase1(&p);

  /* all the tracer queue types must be registered */
  trc_register_udp_queue();

  /* then, we create all the queues we need */
  myqueue = trc_create_queue(TRC_UDP_QUEUE,&u);

  /* Then, we say that events must be sent to a particular queue */
  trc_trace_class(TRC_CLASS_SYSTEM);
  trc_assign_class_to_queue(TRC_CLASS_SYSTEM, myqueue);
}

void mytracer_epilogue(void)
{
  struct net_model m = net_base;
 
 
  /* We want a task for TX mutual exclusion */
  net_setmode(m, TXTASK);
  /* We use UDP/IP stack */
  net_setudpip(m, myipaddr, "255.255.255.255");
  /* OK: let's start the NetLib! */
  if (net_init(&m) == 1) {
    cprintf("udptrace: Net Init OK...\n");
  } else {
    cprintf("udptrace: Net Init Failed...\n");
    sys_abort(300);
  }
 
  TRC_init_phase2();
}

void ctrlc_exit(KEY_EVT *k)
{
  sys_end();
}

void *mytask(void *arg)
{
  int i;

  for(i=0; i<10; i++) {
    cprintf("%d\n", i);
    task_endcycle();
  }

  return 0;
}

int main(int argc,char *argv[])
{
  SOFT_TASK_MODEL mp;

  PID pid;

  soft_task_default_model(mp);
  soft_task_def_met(mp, 10000);
  soft_task_def_period(mp,50000);
  soft_task_def_usemath(mp);

  cprintf("\nHello, world!\n");

  pid = task_create("mytask", mytask, &mp, NULL);

  if (pid != NIL) task_activate(pid);

  return 0;
}