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#include <string.h>

#include <kernel/func.h>

#include <kernel/kern.h>

#include <drivers/keyb.h>

#include <drivers/udpip.h>

#include "tftp.h"

#include "endian.h"

#include "modules/sem.h"

#include <kernel/kern.h>

#include <drivers/pci.h>

#include <ll/i386/hw-instr.h>

#define LOCAL_HOST_IP  "192.168.0.134"

#define REMOTE_HOST_IP "192.168.0.133"

sem_t m1, m2;

int handle, handle2;

int prog = 0;

/* This function is called when the user presses CTRL-C (stops the systems) */

void esci(KEY_EVT *k)

{

  cprintf("Exit from the program...\n");

  cprintf("Ctrl-C pressed!\n");

  sys_abort(500);

}

void augprog(KEY_EVT *k)

{

  prog = 1;

}

void keyb_start(void) {

  KEY_EVT k;

  k.flag = CNTL_BIT;

  k.scan = KEY_C;

  k.ascii = 'C';

  keyb_hook(k, esci);

  k.flag = CNTR_BIT;

  k.scan = KEY_C;

  k.ascii = 'c';

  keyb_hook(k, esci);

  k.flag = CNTL_BIT;

  k.scan = KEY_A;

  k.ascii = 'A';

  keyb_hook(k, augprog);

  k.flag = CNTR_BIT;

  k.scan = KEY_A;

  k.ascii = 'a';

  keyb_hook(k, augprog);

}

TASK test_upload(void *arg) {

  int i;

  char msg[200];

  int bytes;

  i = 0;

  while (1) {

//    cprintf("uploader 1\n");

    sprintf(msg, "tftptest says: i = %5d\n", i);

    tftp_put(handle, msg, strlen(msg));

//    cprintf("uploader 2\n");

    bytes = tftp_usedbuffer(handle);

    /*!*/sprintf(msg, "buffer %d   ", bytes);

    /*!*/puts_xy(BASE_X, 18, WHITE, msg);

//    cprintf("uploader 3\n");

    i++;

    task_endcycle();

  }

  return(0);

}

TASK test_upload2(void *arg) {

  int i;

  char msg[200];

  int bytes;

  i = 0;

  while (1) {

    sprintf(msg, "tftptest says: i = %5d\n", i);

    tftp_put(handle2, msg, strlen(msg));

    bytes = tftp_usedbuffer(handle2);

    /*!*/sprintf(msg, "buffer2 %d   ", bytes);

    /*!*/puts_xy(BASE_X, 38, WHITE, msg);

    i++;

    task_endcycle();

  }

  return(0);

}

void wait() {

  char ch;

  do {

    ch = keyb_getch(NON_BLOCK);

  } while(prog == 0);

  prog = 0;

}

int main(void)

{

  int err;

  HARD_TASK_MODEL hard_m;

  PID p1, p2;

  keyb_start();

  cprintf("main: Keyboard handler started\n");

  tftp_init();

  cprintf("main: Tftp library initialized\n");

  err = tftp_net_start(LOCAL_HOST_IP, REMOTE_HOST_IP, 1);

  cprintf("netval = %d\n", err);

  if (err == 1) {

    cprintf("Net Init from %s to %s\n", LOCAL_HOST_IP, REMOTE_HOST_IP);

  } else {

    cprintf("Net Init Failed...\n");

    sys_end();

    return(err);

  }

  sem_init(&m1, 0, 1);

  if ((handle = tftp_open("test.txt")) == -1) {

     cprintf("No slots available. Program aborted...\n");

     sys_end();

     return(1);

  }

  cprintf("Ctrl-A to proceed *** Ctrl-C to stop\n");

  wait();

  clear();

  cprintf("Handle = %d\n", handle);

  if ((err = tftp_upload(handle, 4096, &m1)) != 0) {

     cprintf("Error %d calling tftp_upload(). Program aborted...\n", err);

     sys_end();

     return(1);

  }

  /* First we set the sender's task properties...*/

  hard_task_default_model(hard_m);

  hard_task_def_wcet(hard_m, 10000);

  hard_task_def_mit(hard_m, 300000);

  if ((p1 = task_create("test_upload", test_upload, &hard_m, NULL)) == NIL) {

     cprintf("Error creating test_upload task. Program aborted...\n");

     sys_end();

     return(1);

  }

  if (task_activate(p1) == -1) {

     cprintf("Error activating test_upload task. Program aborted...\n");

     sys_end();

     return(1);

  }

  sem_init(&m2, 0, 1);

  if ((handle2 = tftp_open("test2.txt")) == -1) {

     cprintf("No second slot available. Program aborted...\n");

     sys_end();

     return(1);

  }

  cprintf("Handle2 = %d\n", handle2);

  if ((err = tftp_upload(handle2, 4096, &m2)) != 0) {

     cprintf("Error %d calling tftp_upload(). Program aborted...\n", err);

     sys_end();

     return(1);

  }

  /* First we set the sender's task properties...*/

  hard_task_default_model(hard_m);

  hard_task_def_wcet(hard_m, 10000);

  hard_task_def_mit(hard_m, 300000);

  if ((p2 = task_create("test_upload2", test_upload2, &hard_m, NULL)) == NIL) {

     cprintf("Error creating test_upload2 task. Program aborted...\n");

     sys_end();

     return(1);

  }

  if (task_activate(p2) == -1) {

     cprintf("Error activating test_upload2 task. Program aborted...\n");

     sys_end();

     return(1);

  }

  wait();

  tftp_close(handle, TFTP_STOP_NOW);

//  wait();

  tftp_close(handle2, TFTP_STOP_NOW);

  cprintf("\nProgram terminated correctly.\n");

  sys_end();

  return(0);

}