/* * Copyright (c) 2001, Adam Dunkels. * 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. The name of the author may not be used to endorse or promote * products derived from this software without specific prior * written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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. * * This file is part of the uIP TCP/IP stack. * * */ /* * This file includes functions that are called by the web server * scripts. The functions takes no argument, and the return value is * interpreted as follows. A zero means that the function did not * complete and should be invoked for the next packet as well. A * non-zero value indicates that the function has completed and that * the web server should move along to the next script line. * */ #include #include #include "contiki-net.h" #include "net/rime/collect-neighbor.h" #include "httpd.h" #include "httpd-cgi.h" #include "httpd-fs.h" #include "lib/petsciiconv.h" #include "dev/temperature-sensor.h" #include "dev/acc-sensor.h" static struct httpd_cgi_call *calls = NULL; /*---------------------------------------------------------------------------*/ static PT_THREAD(nullfunction(struct httpd_state *s, char *ptr)) { PSOCK_BEGIN(&s->sout); PSOCK_END(&s->sout); } /*---------------------------------------------------------------------------*/ httpd_cgifunction httpd_cgi(char *name) { struct httpd_cgi_call *f; /* Find the matching name in the table, return the function. */ for(f = calls; f != NULL; f = f->next) { if(strncmp(f->name, name, strlen(f->name)) == 0) { return f->function; } } return nullfunction; } /*---------------------------------------------------------------------------*/ static PT_THREAD(nodeidcall(struct httpd_state *s, char *ptr)) { static char buf[24]; PSOCK_BEGIN(&s->sout); snprintf(buf, sizeof(buf), "%02X:%02X:%02X:%02X:%02X:%02X:%02X:%02X", linkaddr_node_addr.u8[0], linkaddr_node_addr.u8[1], linkaddr_node_addr.u8[2], linkaddr_node_addr.u8[3], linkaddr_node_addr.u8[4], linkaddr_node_addr.u8[5], linkaddr_node_addr.u8[6], linkaddr_node_addr.u8[7]); PSOCK_SEND_STR(&s->sout, buf); PSOCK_END(&s->sout); } /*---------------------------------------------------------------------------*/ void httpd_cgi_add(struct httpd_cgi_call *c) { struct httpd_cgi_call *l; c->next = NULL; if(calls == NULL) { calls = c; } else { for(l = calls; l->next != NULL; l = l->next); l->next = c; } } /*---------------------------------------------------------------------------*/ static PT_THREAD(sensorscall(struct httpd_state *s, char *ptr)) { static struct timer t; static int i; static char buf[100]; static unsigned long last_cpu, last_lpm, last_listen, last_transmit; PSOCK_BEGIN(&s->sout); timer_set(&t, CLOCK_SECOND); SENSORS_ACTIVATE(acc_sensor); snprintf(buf, sizeof(buf), "t(%d);ax(%d);ay(%d);az(%d);", temperature_sensor.value(0), acc_sensor.value(ACC_X_AXIS), acc_sensor.value(ACC_Y_AXIS), acc_sensor.value(ACC_Z_AXIS)); SENSORS_DEACTIVATE(acc_sensor); PSOCK_SEND_STR(&s->sout, buf); snprintf(buf, sizeof(buf), "p(%lu,%lu,%lu,%lu);v(%d);", energest_type_time(ENERGEST_TYPE_CPU) - last_cpu, energest_type_time(ENERGEST_TYPE_LPM) - last_lpm, energest_type_time(ENERGEST_TYPE_TRANSMIT) - last_transmit, energest_type_time(ENERGEST_TYPE_LISTEN) - last_listen, i++); last_cpu = energest_type_time(ENERGEST_TYPE_CPU); last_lpm = energest_type_time(ENERGEST_TYPE_LPM); last_transmit = energest_type_time(ENERGEST_TYPE_TRANSMIT); last_listen = energest_type_time(ENERGEST_TYPE_LISTEN); PSOCK_SEND_STR(&s->sout, buf); PSOCK_END(&s->sout); } /*---------------------------------------------------------------------------*/ #if 0 static unsigned short make_neighbor(void *arg) { struct httpd_state *s = (struct httpd_state *)arg; struct collect_neighbor *n = collect_neighbor_get(s->u.count); if(n == NULL) { return 0; } #if !NETSTACK_CONF_WITH_IPV6 return snprintf((char *)uip_appdata, uip_mss(), "
  • %d.%d\r\n", n->addr.u8[0], n->addr.u8[1], n->addr.u8[0], n->addr.u8[1]); #else #if 0 uip_ipaddr_t ipaddr; char ipaddr_str[41]; uip_ip6addr(&ipaddr, NET_ADDR_A, NET_ADDR_B, NET_ADDR_C, NET_ADDR_D, (uint16_t)(((uint16_t)(n->addr.u8[0]^0x02))<<8 | (uint16_t)n->addr.u8[1]), ((uint16_t)(n->addr.u8[2]))<<8 | (uint16_t)n->addr.u8[3], (uint16_t)(n->addr.u8[4])<<8 | n->addr.u8[5], (uint16_t)(n->addr.u8[6])<<8 | n->addr.u8[7]); httpd_sprint_ip6(ipaddr, ipaddr_str); return snprintf((char *)uip_appdata, uip_mss(), "
  • %02X:%02X:%02X:%02X:%02X:%02X:%02X:%02X\r\n", ipaddr_str, n->addr.u8[0], n->addr.u8[1], n->addr.u8[2], n->addr.u8[3], n->addr.u8[4], n->addr.u8[5], n->addr.u8[6], n->addr.u8[7]); #endif /* Automatic generation of node address. Javascript funcion required. * Client-side generation is simpler than server-side, as parsing http header * would be requied. */ return snprintf((char *)uip_appdata, uip_mss(), "
  • %02X:%02X:%02X:%02X:%02X:%02X:%02X:%02X\r\n", (uint16_t)(((uint16_t)(n->addr.u8[0]^0x02))<<8 | (uint16_t)n->addr.u8[1]), ((uint16_t)(n->addr.u8[2]))<<8 | (uint16_t)n->addr.u8[3], (uint16_t)(n->addr.u8[4])<<8 | n->addr.u8[5], (uint16_t)(n->addr.u8[6])<<8 | n->addr.u8[7], n->addr.u8[0], n->addr.u8[1], n->addr.u8[2], n->addr.u8[3], n->addr.u8[4], n->addr.u8[5], n->addr.u8[6], n->addr.u8[7]); #endif /* NETSTACK_CONF_WITH_IPV6 */ } /*---------------------------------------------------------------------------*/ static PT_THREAD(neighborscall(struct httpd_state *s, char *ptr)) { PSOCK_BEGIN(&s->sout); announcement_listen(1); /* printf("neighbor_num %d\n", neighbor_num());*/ for(s->u.count = 0; s->u.count < collect_neighbor_num(); s->u.count++) { /* printf("count %d\n", s->u.count);*/ if(collect_neighbor_get(s->u.count) != NULL) { /* printf("!= NULL\n");*/ PSOCK_GENERATOR_SEND(&s->sout, make_neighbor, s); } } PSOCK_END(&s->sout); } /*---------------------------------------------------------------------------*/ static void received_announcement(struct announcement *a, const linkaddr_t *from, uint16_t id, uint16_t value) { struct collect_neighbor *n; /* printf("adv_received %d.%d\n", from->u8[0], from->u8[1]);*/ n = collect_neighbor_find(from); if(n == NULL) { collect_neighbor_add(from, value, 1); } else { collect_neighbor_update(n, value); } } #endif /*static const struct neighbor_discovery_callbacks neighbor_discovery_callbacks = { adv_received, NULL};*/ HTTPD_CGI_CALL(sensors, "sensors", sensorscall); HTTPD_CGI_CALL(nodeid, "nodeid", nodeidcall); //HTTPD_CGI_CALL(neighbors, "neighbors", neighborscall); /*static struct neighbor_discovery_conn conn;*/ //static struct announcement announcement; void httpd_cgi_init(void) { httpd_cgi_add(&sensors); httpd_cgi_add(&nodeid); /* httpd_cgi_add(&neighbors); announcement_register(&announcement, 31, received_announcement); announcement_listen(2);*/ /* neighbor_discovery_open(&conn, 31, CLOCK_SECOND * 4, CLOCK_SECOND * 20, CLOCK_SECOND * 60, &neighbor_discovery_callbacks); neighbor_discovery_start(&conn, 0);*/ } /*---------------------------------------------------------------------------*/