175 lines
5.4 KiB
C
175 lines
5.4 KiB
C
/*
|
|
* Copyright (c) 2010, Swedish Institute of Computer Science.
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. Neither the name of the Institute nor the names of its contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*
|
|
* $Id: websense-remote.c,v 1.2 2010/06/14 14:12:43 nifi Exp $
|
|
*/
|
|
|
|
/**
|
|
* \file
|
|
* A simple example using HTTP to control and be controlled
|
|
* \author
|
|
* Niclas Finne <nfi@sics.se>
|
|
* Joakim Eriksson <joakime@sics.se>
|
|
*/
|
|
|
|
#include "contiki.h"
|
|
#include "dev/button-sensor.h"
|
|
#include "dev/leds.h"
|
|
#include "wget.h"
|
|
#include "webserver-nogui.h"
|
|
#include "httpd-simple.h"
|
|
#include <stdio.h>
|
|
|
|
/* The address of the server to register the services for this node */
|
|
#define SERVER "[aaaa::1]"
|
|
|
|
/* This command registers two services (/0 and /1) to turn the leds on or off */
|
|
#define REGISTER_COMMAND "/r?p=0&d=Turn%20off%20leds&p=1&d=Turn%20on%20leds"
|
|
|
|
/* The address of the other node to control */
|
|
#define OTHER_NODE "[aaaa::1]"
|
|
|
|
/* The commands to send to the other node */
|
|
#define SET_LEDS_ON "/1"
|
|
#define SET_LEDS_OFF "/0"
|
|
|
|
PROCESS(websense_remote_process, "Websense Remote");
|
|
|
|
AUTOSTART_PROCESSES(&websense_remote_process);
|
|
|
|
/*---------------------------------------------------------------------------*/
|
|
static const char *TOP = "<html><head><title>Contiki Websense Remote</title></head><body>\n";
|
|
static const char *BOTTOM = "</body></html>\n";
|
|
/*---------------------------------------------------------------------------*/
|
|
static
|
|
PT_THREAD(handle_command(struct httpd_state *s))
|
|
{
|
|
PSOCK_BEGIN(&s->sout);
|
|
|
|
SEND_STRING(&s->sout, TOP);
|
|
|
|
if(s->filename[1] == '0') {
|
|
/* Turn off leds */
|
|
leds_off(LEDS_ALL);
|
|
SEND_STRING(&s->sout, "Turned off leds!");
|
|
} else if(s->filename[1] == '1') {
|
|
/* Turn on leds */
|
|
leds_on(LEDS_ALL);
|
|
SEND_STRING(&s->sout, "Turned on leds!");
|
|
} else {
|
|
SEND_STRING(&s->sout, "Unknown command");
|
|
}
|
|
|
|
SEND_STRING(&s->sout, BOTTOM);
|
|
|
|
PSOCK_END(&s->sout);
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
httpd_simple_script_t
|
|
httpd_simple_get_script(const char *name)
|
|
{
|
|
return handle_command;
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
static void
|
|
wget_done(int status)
|
|
{
|
|
switch(status) {
|
|
case WGET_OK:
|
|
printf("Command sent.\n");
|
|
break;
|
|
case WGET_TIMEDOUT:
|
|
printf("Command timedout.\n");
|
|
break;
|
|
case WGET_ABORTED:
|
|
printf("Connection aborted.\n");
|
|
break;
|
|
case WGET_CONNECT_FAILED:
|
|
printf("Failed to connect.\n");
|
|
break;
|
|
}
|
|
}
|
|
static const struct wget_callbacks callbacks = {
|
|
NULL, wget_done
|
|
};
|
|
static void
|
|
send_command(const char *server, const char *command)
|
|
{
|
|
int ret;
|
|
printf("Sending to [%s]: %s\n", server, command);
|
|
ret = wget_get(server, 80, command, &callbacks);
|
|
if(ret != WGET_OK) {
|
|
if(ret == WGET_ALREADY_RUNNING) {
|
|
printf("Waiting for previous command to finish.\n");
|
|
} else {
|
|
printf("Failed to send command: %u\n", ret);
|
|
}
|
|
}
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
PROCESS_THREAD(websense_remote_process, ev, data)
|
|
{
|
|
static int mode;
|
|
static struct etimer timer;
|
|
|
|
PROCESS_BEGIN();
|
|
|
|
mode = 0;
|
|
wget_init();
|
|
process_start(&webserver_nogui_process, NULL);
|
|
|
|
SENSORS_ACTIVATE(button_sensor);
|
|
|
|
/* Give the node some time to join the network before registering
|
|
the available services. */
|
|
etimer_set(&timer, CLOCK_SECOND * 30);
|
|
|
|
while(1) {
|
|
PROCESS_WAIT_EVENT();
|
|
|
|
if(ev == sensors_event && data == &button_sensor) {
|
|
/* The button has been pressed. Send command to the other node. */
|
|
if(mode) {
|
|
/* Turn on leds */
|
|
send_command(OTHER_NODE, SET_LEDS_OFF);
|
|
} else {
|
|
send_command(OTHER_NODE, SET_LEDS_ON);
|
|
}
|
|
/* Alternate between the two commands */
|
|
mode = !mode;
|
|
|
|
} else if(ev == PROCESS_EVENT_TIMER && etimer_expired(&timer)) {
|
|
printf("Registering services\n");
|
|
send_command(SERVER, REGISTER_COMMAND);
|
|
}
|
|
}
|
|
|
|
PROCESS_END();
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|