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Added example using HTTP to control and be controlled.

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nifi 2010-06-08 22:39:30 +00:00
parent 8a43743a42
commit b21d2494bc
4 changed files with 439 additions and 1 deletions
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3
examples/ipv6/sky-websense/Makefile
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@ -5,9 +5,10 @@ CONTIKI=../../..
WITH_UIP6=1
UIP_CONF_IPV6=1
APPS += webserver
APPS += webserver webbrowser
CFLAGS += -DPROJECT_CONF_H=\"project-rpl-web-conf.h\"
CONTIKI_SOURCEFILES += wget.c
PROJECTDIRS += ../rpl-border-router
PROJECT_SOURCEFILES += httpd-simple.c

174
examples/ipv6/sky-websense/websense-remote.c Normal file
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@ -0,0 +1,174 @@
/*
* 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 1.1 2010/06/08 22:39:30 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::212:7403:3:303"
/* 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(server, 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();
}
/*---------------------------------------------------------------------------*/

201
examples/ipv6/sky-websense/wget.c Normal file
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@ -0,0 +1,201 @@
/*
* 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: wget.c,v 1.1 2010/06/08 22:39:30 nifi Exp $
*/
/**
* \file
* A simple wget implementation
* \author
* Niclas Finne <nfi@sics.se>
* Joakim Eriksson <joakime@sics.se>
*/
#include "webclient.h"
#include "wget.h"
#include "dev/leds.h"
#define DEBUG DEBUG_NONE
#include "net/uip-debug.h"
#define DEBUG_LEDS 0
#undef LEDS_ON
#undef LEDS_OFF
#if DEBUG_LEDS
#define LEDS_ON(led) leds_on(led)
#define LEDS_OFF(led) leds_off(led)
#else
#define LEDS_ON(led)
#define LEDS_OFF(led)
#endif /* DEBUG */
static int fetch_running;
#define STATS ((DEBUG) & DEBUG_PRINT) && 1
#if STATS
static clock_time_t fetch_started;
static unsigned long fetch_counter;
#endif /* STATUS */
static const char *server;
static const char *file;
static const struct wget_callbacks *callbacks;
PROCESS(wget_process, "wget");
/*---------------------------------------------------------------------------*/
static void
call_done(int status)
{
if(callbacks != NULL && callbacks->done != NULL) {
callbacks->done(status);
}
}
/*---------------------------------------------------------------------------*/
PROCESS_THREAD(wget_process, ev, data)
{
PROCESS_BEGIN();
PRINTF("wget: fetching %s\n", file);
#if STATS
fetch_counter = 0;
fetch_started = clock_time();
#endif /* STATS */
LEDS_ON(LEDS_YELLOW);
if(webclient_get((char *)server, 80, (char *)file) == 0) {
PRINTF("wget: failed to connect\n");
LEDS_OFF(LEDS_YELLOW);
fetch_running = 0;
call_done(WGET_CONNECT_FAILED);
} else {
while(fetch_running) {
PROCESS_WAIT_EVENT();
if(ev == tcpip_event) {
webclient_appcall(data);
}
}
}
PROCESS_END();
}
/*---------------------------------------------------------------------------*/
void
webclient_datahandler(char *data, u16_t len)
{
if(len == 0) {
#if STATS
clock_time_t elapsed;
elapsed = clock_time() - fetch_started;
PRINTF("wget: recv %lu bytes during %lu sec (",
fetch_counter, (elapsed / CLOCK_SECOND));
#if CLOCK_SECOND == 128
PRINTF("%lu.%02lus, ", (unsigned long) elapsed >> 7,
(unsigned long)((elapsed & 127) * 100) / 128);
PRINTF("%lu byte/sec ", (fetch_counter * 128L) / elapsed);
#endif
PRINTF("%lu tick): ", (unsigned long) elapsed);
if(elapsed > CLOCK_SECOND) {
PRINTF("%lu", fetch_counter / (elapsed / CLOCK_SECOND));
} else {
PRINTF("-");
}
PRINTF(" byte/sec\n");
#else /* STATS */
PRINTF("wget: complete\n");
#endif /* STATS */
fetch_running = 0;
call_done(WGET_OK);
LEDS_OFF(LEDS_RED|LEDS_YELLOW);
} else {
#if STATS
fetch_counter += len;
#endif /* STATS */
if(callbacks != NULL && callbacks->data != NULL) {
/* Assume the buffer is large enough for ending zero */
data[len] = '\0';
callbacks->data(data, len);
}
}
}
/*---------------------------------------------------------------------------*/
void
webclient_connected(void)
{
LEDS_OFF(LEDS_YELLOW);
LEDS_ON(LEDS_RED);
}
/*---------------------------------------------------------------------------*/
void
webclient_timedout(void)
{
PRINTF("wget: timedout\n");
LEDS_OFF(LEDS_RED|LEDS_YELLOW);
fetch_running = 0;
call_done(WGET_TIMEDOUT);
}
/*---------------------------------------------------------------------------*/
void
webclient_aborted(void)
{
PRINTF("wget: aborted\n");
LEDS_OFF(LEDS_RED|LEDS_YELLOW);
fetch_running = 0;
call_done(WGET_ABORTED);
}
/*---------------------------------------------------------------------------*/
void
webclient_closed(void)
{
PRINTF("wget: closed\n");
fetch_running = 0;
LEDS_OFF(LEDS_RED|LEDS_YELLOW);
call_done(WGET_CLOSED);
}
/*---------------------------------------------------------------------------*/
void
wget_init(void)
{
webclient_init();
}
/*---------------------------------------------------------------------------*/
int
wget(const char *s, const char *f, const struct wget_callbacks *c)
{
if(fetch_running) {
return WGET_ALREADY_RUNNING;
}
fetch_running = 1;
server = s;
file = f;
callbacks = c;
process_start(&wget_process, NULL);
return WGET_OK;
}
/*---------------------------------------------------------------------------*/

62
examples/ipv6/sky-websense/wget.h Normal file
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@ -0,0 +1,62 @@
/*
* 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: wget.h,v 1.1 2010/06/08 22:39:30 nifi Exp $
*/
/**
* \file
* A simple wget implementation
* \author
* Niclas Finne <nfi@sics.se>
* Joakim Eriksson <joakime@sics.se>
*/
#ifndef __WGET_H__
#define __WGET_H__
#include "contiki.h"
struct wget_callbacks {
void (* data)(const char *data, uint16_t len);
void (* done)(int status);
};
void wget_init(void);
int wget(const char *server, const char *file, const struct wget_callbacks *c);
enum {
WGET_OK,
WGET_ALREADY_RUNNING,
WGET_TIMEDOUT,
WGET_ABORTED,
WGET_CONNECT_FAILED,
WGET_CLOSED
};
#endif /* __WGET_H__ */