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https://github.com/oliverschmidt/contiki.git
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67045d4012
The current version of the CC26xx web demo publishes over MQTT the default parent's IPv6 address and the last observed RSSI of this link. This is collected by active probing (periodic ping). This commit brings the probing functionality to the example's main code module. The MQTT client keeps publishing as previously, but we now also export the same information through CoAP resources. Configuration is still possible through the example's web server.
127 lines
5.5 KiB
C
127 lines
5.5 KiB
C
/*
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* Copyright (c) 2015, Texas Instruments Incorporated - http://www.ti.com/
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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. Neither the name of the copyright holder nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/*---------------------------------------------------------------------------*/
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/**
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* \addtogroup cc26xx-web-demo
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* @{
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*
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* \file
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* CoAP resource handler for network-related resources
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*/
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/*---------------------------------------------------------------------------*/
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#include "contiki.h"
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#include "rest-engine.h"
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#include "er-coap.h"
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#include "coap-server.h"
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#include "cc26xx-web-demo.h"
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#include "ti-lib.h"
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#include <string.h>
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/*---------------------------------------------------------------------------*/
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extern int def_rt_rssi;
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/*---------------------------------------------------------------------------*/
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static void
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res_get_handler_parent_rssi(void *request, void *response, uint8_t *buffer,
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uint16_t preferred_size, int32_t *offset)
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{
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unsigned int accept = -1;
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REST.get_header_accept(request, &accept);
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if(accept == -1 || accept == REST.type.TEXT_PLAIN) {
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REST.set_header_content_type(response, REST.type.TEXT_PLAIN);
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snprintf((char *)buffer, REST_MAX_CHUNK_SIZE, "%d", def_rt_rssi);
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REST.set_response_payload(response, (uint8_t *)buffer, strlen((char *)buffer));
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} else if(accept == REST.type.APPLICATION_JSON) {
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REST.set_header_content_type(response, REST.type.APPLICATION_JSON);
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snprintf((char *)buffer, REST_MAX_CHUNK_SIZE, "{\"Parent RSSI\":\"%d\"}",
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def_rt_rssi);
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REST.set_response_payload(response, buffer, strlen((char *)buffer));
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} else if(accept == REST.type.APPLICATION_XML) {
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REST.set_header_content_type(response, REST.type.APPLICATION_XML);
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snprintf((char *)buffer, REST_MAX_CHUNK_SIZE,
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"<parent-rssi val=\"%d\"/>", def_rt_rssi);
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REST.set_response_payload(response, buffer, strlen((char *)buffer));
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} else {
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REST.set_response_status(response, REST.status.NOT_ACCEPTABLE);
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REST.set_response_payload(response, coap_server_supported_msg,
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strlen(coap_server_supported_msg));
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}
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}
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/*---------------------------------------------------------------------------*/
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static void
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res_get_handler_pref_parent(void *request, void *response, uint8_t *buffer,
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uint16_t preferred_size, int32_t *offset)
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{
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unsigned int accept = -1;
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char def_rt_str[64];
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REST.get_header_accept(request, &accept);
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memset(def_rt_str, 0, sizeof(def_rt_str));
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cc26xx_web_demo_ipaddr_sprintf(def_rt_str, sizeof(def_rt_str),
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uip_ds6_defrt_choose());
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if(accept == -1 || accept == REST.type.TEXT_PLAIN) {
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REST.set_header_content_type(response, REST.type.TEXT_PLAIN);
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snprintf((char *)buffer, REST_MAX_CHUNK_SIZE, "%s", def_rt_str);
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REST.set_response_payload(response, (uint8_t *)buffer, strlen((char *)buffer));
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} else if(accept == REST.type.APPLICATION_JSON) {
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REST.set_header_content_type(response, REST.type.APPLICATION_JSON);
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snprintf((char *)buffer, REST_MAX_CHUNK_SIZE, "{\"Parent\":\"%s\"}",
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def_rt_str);
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REST.set_response_payload(response, buffer, strlen((char *)buffer));
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} else if(accept == REST.type.APPLICATION_XML) {
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REST.set_header_content_type(response, REST.type.APPLICATION_XML);
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snprintf((char *)buffer, REST_MAX_CHUNK_SIZE,
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"<parent=\"%s\"/>", def_rt_str);
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REST.set_response_payload(response, buffer, strlen((char *)buffer));
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} else {
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REST.set_response_status(response, REST.status.NOT_ACCEPTABLE);
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REST.set_response_payload(response, coap_server_supported_msg,
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strlen(coap_server_supported_msg));
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}
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}
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/*---------------------------------------------------------------------------*/
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RESOURCE(res_parent_rssi, "title=\"Parent RSSI\";rt=\"dBm\"",
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res_get_handler_parent_rssi, NULL, NULL, NULL);
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/*---------------------------------------------------------------------------*/
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RESOURCE(res_parent_ip, "title=\"Preferred Parent\";rt=\"IPv6 address\"",
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res_get_handler_pref_parent, NULL, NULL, NULL);
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/*---------------------------------------------------------------------------*/
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/** @} */
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