258 lines
7.8 KiB
C
258 lines
7.8 KiB
C
/*
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* Copyright (c) 2001, Adam Dunkels.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote
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* products derived from this software without specific prior
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* written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
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* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
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* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* This file is part of the uIP TCP/IP stack.
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*
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* $Id: ajax-cgi.c,v 1.7 2010/04/09 13:19:05 nifi Exp $
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*
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*/
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/*
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* This file includes functions that are called by the web server
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* scripts. The functions takes no argument, and the return value is
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* interpreted as follows. A zero means that the function did not
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* complete and should be invoked for the next packet as well. A
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* non-zero value indicates that the function has completed and that
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* the web server should move along to the next script line.
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*
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*/
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#include <stdio.h>
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#include <string.h>
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#include "contiki-net.h"
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#include "net/rime/collect-neighbor.h"
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#include "httpd.h"
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#include "httpd-cgi.h"
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#include "httpd-fs.h"
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#include "lib/petsciiconv.h"
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static struct httpd_cgi_call *calls = NULL;
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static struct collect_neighbor_list neighbor_list;
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/*---------------------------------------------------------------------------*/
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static
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PT_THREAD(nullfunction(struct httpd_state *s, char *ptr))
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{
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PSOCK_BEGIN(&s->sout);
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PSOCK_END(&s->sout);
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}
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/*---------------------------------------------------------------------------*/
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httpd_cgifunction
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httpd_cgi(char *name)
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{
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struct httpd_cgi_call *f;
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/* Find the matching name in the table, return the function. */
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for(f = calls; f != NULL; f = f->next) {
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if(strncmp(f->name, name, strlen(f->name)) == 0) {
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return f->function;
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}
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}
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return nullfunction;
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}
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/*---------------------------------------------------------------------------*/
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static
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PT_THREAD(nodeidcall(struct httpd_state *s, char *ptr))
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{
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static char buf[10];
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PSOCK_BEGIN(&s->sout);
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snprintf(buf, sizeof(buf), "%d.%d",
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rimeaddr_node_addr.u8[0], rimeaddr_node_addr.u8[1]);
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PSOCK_SEND_STR(&s->sout, buf);
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PSOCK_END(&s->sout);
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}
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/*---------------------------------------------------------------------------*/
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void
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httpd_cgi_add(struct httpd_cgi_call *c)
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{
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struct httpd_cgi_call *l;
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c->next = NULL;
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if(calls == NULL) {
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calls = c;
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} else {
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for(l = calls; l->next != NULL; l = l->next);
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l->next = c;
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}
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}
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/*---------------------------------------------------------------------------*/
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#if CONTIKI_TARGET_SKY
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#include "dev/sht11-sensor.h"
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#include "dev/light-sensor.h"
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#endif /* CONTIKI_TARGET_SKY */
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static
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PT_THREAD(sensorscall(struct httpd_state *s, char *ptr))
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{
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static struct timer t;
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static int i;
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static char buf[100];
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static unsigned long last_cpu, last_lpm, last_listen, last_transmit;
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PSOCK_BEGIN(&s->sout);
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timer_set(&t, CLOCK_SECOND);
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i = 0;
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/* while(1)*/ {
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/* timer_restart(&t);
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PSOCK_WAIT_UNTIL(&s->sout, timer_expired(&t));*/
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#if CONTIKI_TARGET_SKY
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SENSORS_ACTIVATE(sht11_sensor);
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SENSORS_ACTIVATE(light_sensor);
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snprintf(buf, sizeof(buf),
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"t(%d);h(%d);l1(%d);l2(%d);",
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sht11_sensor.value(SHT11_SENSOR_TEMP),
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sht11_sensor.value(SHT11_SENSOR_HUMIDITY),
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light_sensor.value(LIGHT_SENSOR_PHOTOSYNTHETIC),
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light_sensor.value(LIGHT_SENSOR_TOTAL_SOLAR));
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SENSORS_DEACTIVATE(sht11_sensor);
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SENSORS_DEACTIVATE(light_sensor);
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#else /* CONTIKI_TARGET_SKY */
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snprintf(buf, sizeof(buf),
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"t(%d);h(%d);l1(%d);l2(%d);",
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0,
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0,
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0,
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0);
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#endif /* CONTIKI_TARGET_SKY */
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PSOCK_SEND_STR(&s->sout, buf);
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/* timer_restart(&t);
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PSOCK_WAIT_UNTIL(&s->sout, timer_expired(&t));*/
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snprintf(buf, sizeof(buf),
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"p(%lu,%lu,%lu,%lu);i(%d);",
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energest_type_time(ENERGEST_TYPE_CPU) - last_cpu,
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energest_type_time(ENERGEST_TYPE_LPM) - last_lpm,
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energest_type_time(ENERGEST_TYPE_TRANSMIT) - last_transmit,
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energest_type_time(ENERGEST_TYPE_LISTEN) - last_listen,
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i++);
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last_cpu = energest_type_time(ENERGEST_TYPE_CPU);
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last_lpm = energest_type_time(ENERGEST_TYPE_LPM);
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last_transmit = energest_type_time(ENERGEST_TYPE_TRANSMIT);
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last_listen = energest_type_time(ENERGEST_TYPE_LISTEN);
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PSOCK_SEND_STR(&s->sout, buf);
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}
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PSOCK_END(&s->sout);
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}
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/*---------------------------------------------------------------------------*/
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static unsigned short
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make_neighbor(void *arg)
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{
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struct httpd_state *s = (struct httpd_state *)arg;
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struct collect_neighbor *n = collect_neighbor_list_get(&neighbor_list, s->u.count);
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if(n == NULL) {
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return 0;
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}
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return snprintf((char *)uip_appdata, uip_mss(),
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"<li><a href=\"http://172.16.%d.%d/\">%d.%d</a>\r\n",
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n->addr.u8[0], n->addr.u8[1],
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n->addr.u8[0], n->addr.u8[1]);
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}
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/*---------------------------------------------------------------------------*/
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static
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PT_THREAD(neighborscall(struct httpd_state *s, char *ptr))
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{
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PSOCK_BEGIN(&s->sout);
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announcement_listen(1);
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/* printf("neighbor_num %d\n", collect_neighbor_list_num(&neighbor_list)); */
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for(s->u.count = 0; s->u.count < collect_neighbor_list_num(&neighbor_list); s->u.count++) {
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/* printf("count %d\n", s->u.count); */
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if(collect_neighbor_list_get(&neighbor_list, s->u.count) != NULL) {
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/* printf("!= NULL\n"); */
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PSOCK_GENERATOR_SEND(&s->sout, make_neighbor, s);
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}
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}
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PSOCK_END(&s->sout);
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}
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/*---------------------------------------------------------------------------*/
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static void
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received_announcement(struct announcement *a, const rimeaddr_t *from,
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uint16_t id, uint16_t value)
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{
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struct collect_neighbor *n;
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/* printf("adv_received %d.%d\n", from->u8[0], from->u8[1]); */
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n = collect_neighbor_list_find(&neighbor_list, from);
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if(n == NULL) {
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collect_neighbor_list_add(&neighbor_list, from, value);
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} else {
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collect_neighbor_update_rtmetric(n, value);
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}
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}
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/*static const struct neighbor_discovery_callbacks neighbor_discovery_callbacks =
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{ adv_received, NULL};*/
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HTTPD_CGI_CALL(sensors, "sensors", sensorscall);
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HTTPD_CGI_CALL(nodeid, "nodeid", nodeidcall);
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HTTPD_CGI_CALL(neighbors, "neighbors", neighborscall);
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/*static struct neighbor_discovery_conn conn;*/
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static struct announcement announcement;
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void
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httpd_cgi_init(void)
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{
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httpd_cgi_add(&sensors);
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httpd_cgi_add(&nodeid);
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httpd_cgi_add(&neighbors);
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announcement_register(&announcement, 31,
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received_announcement);
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announcement_set_value(&announcement, 0);
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announcement_listen(2);
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collect_neighbor_list_new(&neighbor_list);
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collect_neighbor_init();
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/* neighbor_discovery_open(&conn, 31,
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CLOCK_SECOND * 4,
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CLOCK_SECOND * 20,
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CLOCK_SECOND * 60,
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&neighbor_discovery_callbacks);
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neighbor_discovery_start(&conn, 0);*/
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}
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/*---------------------------------------------------------------------------*/
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