initial upload
This commit is contained in:
Harald Pichler
parent
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commit
52c26d31c4
4 changed files with 488 additions and 0 deletions
117
examples/osd/openvoting-box/resources/res-event1.c
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117
examples/osd/openvoting-box/resources/res-event1.c
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@ -0,0 +1,117 @@
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/*
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* Copyright (c) 2013, Institute for Pervasive Computing, ETH Zurich
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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
|
||||||
|
* 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 Institute nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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||||||
|
*
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|
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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||||||
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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|
* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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||||||
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR 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, STRICT
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|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* This file is part of the Contiki operating system.
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*/
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/**
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* \file
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* Example resource
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* \author
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* Matthias Kovatsch <kovatsch@inf.ethz.ch>
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*/
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#include <string.h>
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#include "rest-engine.h"
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#include "er-coap.h"
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#include "dev/button-sensor.h"
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#define DEBUG 0
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#if DEBUG
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#include <stdio.h>
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#define PRINTF(...) printf(__VA_ARGS__)
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#define PRINT6ADDR(addr) PRINTF("[%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x]", ((uint8_t *)addr)[0], ((uint8_t *)addr)[1], ((uint8_t *)addr)[2], ((uint8_t *)addr)[3], ((uint8_t *)addr)[4], ((uint8_t *)addr)[5], ((uint8_t *)addr)[6], ((uint8_t *)addr)[7], ((uint8_t *)addr)[8], ((uint8_t *)addr)[9], ((uint8_t *)addr)[10], ((uint8_t *)addr)[11], ((uint8_t *)addr)[12], ((uint8_t *)addr)[13], ((uint8_t *)addr)[14], ((uint8_t *)addr)[15])
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#define PRINTLLADDR(lladdr) PRINTF("[%02x:%02x:%02x:%02x:%02x:%02x]", (lladdr)->addr[0], (lladdr)->addr[1], (lladdr)->addr[2], (lladdr)->addr[3], (lladdr)->addr[4], (lladdr)->addr[5])
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#else
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#define PRINTF(...)
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#define PRINT6ADDR(addr)
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#define PRINTLLADDR(addr)
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#endif
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static void res_get_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset);
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static void res_event_handler(void);
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/*
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* Example for an event resource.
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* Additionally takes a period parameter that defines the interval to call [name]_periodic_handler().
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* A default post_handler takes care of subscriptions and manages a list of subscribers to notify.
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*/
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EVENT_RESOURCE(res_event1,
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"title=\"Event demo\";obs",
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res_get_handler,
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NULL,
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NULL,
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NULL,
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res_event_handler);
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/*
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* Use local resource state that is accessed by res_get_handler() and altered by res_event_handler() or PUT or POST.
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*/
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static int32_t event_counter1 = 0;
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static void
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res_get_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset)
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{
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int buttonstate = button_sensor.value(0);
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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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REST.set_response_payload(response, buffer, snprintf((char *)buffer, preferred_size, "EVENT %lu STATE %d", event_counter1, buttonstate));
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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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REST.set_response_payload(response, buffer, snprintf((char *)buffer, preferred_size, "{'EVENT':%lu ,'STATE': %d}", event_counter1, buttonstate));
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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, buffer, snprintf((char *)buffer, preferred_size, "Supporting content-types text/plain and application/json"));
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}
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/* A post_handler that handles subscriptions/observing will be called for periodic resources by the framework. */
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// tell client when to schedule re-registration: 1 Hour
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REST.set_header_max_age(response, /* uint32_t, Seconds */ 3600);
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}
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/*
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* Additionally, res_event_handler must be implemented for each EVENT_RESOURCE.
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* It is called through <res_name>.trigger(), usually from the server process.
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*/
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static void
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res_event_handler(void)
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{
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/* Do the update triggered by the event here, e.g., sampling a sensor. */
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++event_counter1;
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/* Usually a condition is defined under with subscribers are notified, e.g., event was above a threshold. */
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if(1) {
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PRINTF("TICK %u for /%s\n", event_counter1, res_event.url);
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/* Notify the registered observers which will trigger the res_get_handler to create the response. */
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REST.notify_subscribers(&res_event1);
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}
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}
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117
examples/osd/openvoting-box/resources/res-event2.c
Normal file
117
examples/osd/openvoting-box/resources/res-event2.c
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@ -0,0 +1,117 @@
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/*
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* Copyright (c) 2013, Institute for Pervasive Computing, ETH Zurich
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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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||||||
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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.
|
||||||
|
* 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.
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||||||
|
* 3. Neither the name of the Institute nor the names of its contributors
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||||||
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* may be used to endorse or promote products derived from this software
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||||||
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* without specific prior written permission.
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||||||
|
*
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|
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||||||
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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||||||
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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||||||
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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||||||
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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||||||
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* OR 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, STRICT
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||||||
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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||||||
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* This file is part of the Contiki operating system.
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*/
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/**
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* \file
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* Example resource
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* \author
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* Matthias Kovatsch <kovatsch@inf.ethz.ch>
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*/
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#include <string.h>
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#include "rest-engine.h"
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#include "er-coap.h"
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#include "dev/button-sensor.h"
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#define DEBUG 0
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#if DEBUG
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#include <stdio.h>
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#define PRINTF(...) printf(__VA_ARGS__)
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#define PRINT6ADDR(addr) PRINTF("[%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x]", ((uint8_t *)addr)[0], ((uint8_t *)addr)[1], ((uint8_t *)addr)[2], ((uint8_t *)addr)[3], ((uint8_t *)addr)[4], ((uint8_t *)addr)[5], ((uint8_t *)addr)[6], ((uint8_t *)addr)[7], ((uint8_t *)addr)[8], ((uint8_t *)addr)[9], ((uint8_t *)addr)[10], ((uint8_t *)addr)[11], ((uint8_t *)addr)[12], ((uint8_t *)addr)[13], ((uint8_t *)addr)[14], ((uint8_t *)addr)[15])
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#define PRINTLLADDR(lladdr) PRINTF("[%02x:%02x:%02x:%02x:%02x:%02x]", (lladdr)->addr[0], (lladdr)->addr[1], (lladdr)->addr[2], (lladdr)->addr[3], (lladdr)->addr[4], (lladdr)->addr[5])
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#else
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#define PRINTF(...)
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#define PRINT6ADDR(addr)
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#define PRINTLLADDR(addr)
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#endif
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static void res_get_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset);
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static void res_event_handler(void);
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/*
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* Example for an event resource.
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* Additionally takes a period parameter that defines the interval to call [name]_periodic_handler().
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* A default post_handler takes care of subscriptions and manages a list of subscribers to notify.
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*/
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EVENT_RESOURCE(res_event2,
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"title=\"Event demo\";obs",
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res_get_handler,
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NULL,
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NULL,
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NULL,
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res_event_handler);
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/*
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* Use local resource state that is accessed by res_get_handler() and altered by res_event_handler() or PUT or POST.
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*/
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static int32_t event_counter2 = 0;
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static void
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res_get_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset)
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{
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int buttonstate = button_sensor.value(0);
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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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REST.set_response_payload(response, buffer, snprintf((char *)buffer, preferred_size, "EVENT %lu STATE %d", event_counter2, buttonstate));
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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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REST.set_response_payload(response, buffer, snprintf((char *)buffer, preferred_size, "{'EVENT':%lu ,'STATE': %d}", event_counter2, buttonstate));
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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, buffer, snprintf((char *)buffer, preferred_size, "Supporting content-types text/plain and application/json"));
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}
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/* A post_handler that handles subscriptions/observing will be called for periodic resources by the framework. */
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// tell client when to schedule re-registration: 1 Hour
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REST.set_header_max_age(response, /* uint32_t, Seconds */ 3600);
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}
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/*
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* Additionally, res_event_handler must be implemented for each EVENT_RESOURCE.
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* It is called through <res_name>.trigger(), usually from the server process.
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*/
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static void
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res_event_handler(void)
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{
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/* Do the update triggered by the event here, e.g., sampling a sensor. */
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++event_counter2;
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/* Usually a condition is defined under with subscribers are notified, e.g., event was above a threshold. */
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if(1) {
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PRINTF("TICK %u for /%s\n", event_counter2, res_event.url);
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/* Notify the registered observers which will trigger the res_get_handler to create the response. */
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REST.notify_subscribers(&res_event2);
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}
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}
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127
examples/osd/openvoting-box/resources/res-separate1.c
Normal file
127
examples/osd/openvoting-box/resources/res-separate1.c
Normal file
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@ -0,0 +1,127 @@
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/*
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* Copyright (c) 2013, Institute for Pervasive Computing, ETH Zurich
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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
|
||||||
|
* 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.
|
||||||
|
*
|
||||||
|
* This file is part of the Contiki operating system.
|
||||||
|
*/
|
||||||
|
|
||||||
|
/**
|
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|
* \file
|
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|
* Example resource
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|
* \author
|
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|
* Matthias Kovatsch <kovatsch@inf.ethz.ch>
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|
*/
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#include <string.h>
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#include "rest-engine.h"
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#include "er-coap-separate.h"
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#include "er-coap-transactions.h"
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||||||
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static void res_get_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset);
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static void res_resume_handler(void);
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|
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SEPARATE_RESOURCE(res_separate1,
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"title=\"Separate demo\"",
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res_get_handler,
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NULL,
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|
NULL,
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|
NULL,
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res_resume_handler);
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/* A structure to store the information required for the separate handler */
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typedef struct application_separate_store {
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/* Provided by Erbium to store generic request information such as remote address and token. */
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coap_separate_t request_metadata;
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|
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/* Add fields for addition information to be stored for finalizing, e.g.: */
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char buffer[16];
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} application_separate_store_t;
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#define COAP_MAX_OPEN_SEPARATE 2
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static uint8_t separate_active = 0;
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static application_separate_store_t separate_store[COAP_MAX_OPEN_SEPARATE];
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|
|
||||||
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static void
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res_get_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset)
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|
{
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/*
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* Example allows only one open separate response.
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* For multiple, the application must manage the list of stores.
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*/
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if(separate_active >= COAP_MAX_OPEN_SEPARATE) {
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coap_separate_reject();
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|
} else {
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++separate_active;
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|
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/* Take over and skip response by engine. */
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coap_separate_accept(request, &separate_store->request_metadata);
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/* Be aware to respect the Block2 option, which is also stored in the coap_separate_t. */
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||||||
|
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||||||
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/*
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* At the moment, only the minimal information is stored in the store (client address, port, token, MID, type, and Block2).
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* Extend the store, if the application requires additional information from this handler.
|
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* buffer is an example field for custom information.
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*/
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||||||
|
snprintf(separate_store->buffer, sizeof(separate_store->buffer), "StoredInfo");
|
||||||
|
}
|
||||||
|
}
|
||||||
|
static void
|
||||||
|
res_resume_handler()
|
||||||
|
{
|
||||||
|
if(separate_active) {
|
||||||
|
coap_transaction_t *transaction = NULL;
|
||||||
|
if((transaction = coap_new_transaction(separate_store->request_metadata.mid, &separate_store->request_metadata.addr, separate_store->request_metadata.port))) {
|
||||||
|
coap_packet_t response[1]; /* This way the packet can be treated as pointer as usual. */
|
||||||
|
|
||||||
|
/* Restore the request information for the response. */
|
||||||
|
coap_separate_resume(response, &separate_store->request_metadata, REST.status.OK);
|
||||||
|
|
||||||
|
coap_set_payload(response, separate_store->buffer, strlen(separate_store->buffer));
|
||||||
|
|
||||||
|
/*
|
||||||
|
* Be aware to respect the Block2 option, which is also stored in the coap_separate_t.
|
||||||
|
* As it is a critical option, this example resource pretends to handle it for compliance.
|
||||||
|
*/
|
||||||
|
coap_set_header_block2(response, separate_store->request_metadata.block2_num, 0, separate_store->request_metadata.block2_size);
|
||||||
|
|
||||||
|
/* Warning: No check for serialization error. */
|
||||||
|
transaction->packet_len = coap_serialize_message(response, transaction->packet);
|
||||||
|
coap_send_transaction(transaction);
|
||||||
|
/* The engine will clear the transaction (right after send for NON, after acked for CON). */
|
||||||
|
|
||||||
|
/* FIXME there could me more! */
|
||||||
|
separate_active = 0;
|
||||||
|
} else {
|
||||||
|
/*
|
||||||
|
* Set timer for retry, send error message, ...
|
||||||
|
* The example simply waits for another button press.
|
||||||
|
*/
|
||||||
|
}
|
||||||
|
} /* if (separate_active) */
|
||||||
|
}
|
||||||
127
examples/osd/openvoting-box/resources/res-separate2.c
Normal file
127
examples/osd/openvoting-box/resources/res-separate2.c
Normal file
|
|
@ -0,0 +1,127 @@
|
||||||
|
/*
|
||||||
|
* Copyright (c) 2013, Institute for Pervasive Computing, ETH Zurich
|
||||||
|
* 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.
|
||||||
|
*
|
||||||
|
* This file is part of the Contiki operating system.
|
||||||
|
*/
|
||||||
|
|
||||||
|
/**
|
||||||
|
* \file
|
||||||
|
* Example resource
|
||||||
|
* \author
|
||||||
|
* Matthias Kovatsch <kovatsch@inf.ethz.ch>
|
||||||
|
*/
|
||||||
|
|
||||||
|
#include <string.h>
|
||||||
|
#include "rest-engine.h"
|
||||||
|
#include "er-coap-separate.h"
|
||||||
|
#include "er-coap-transactions.h"
|
||||||
|
|
||||||
|
static void res_get_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset);
|
||||||
|
static void res_resume_handler(void);
|
||||||
|
|
||||||
|
SEPARATE_RESOURCE(res_separate2,
|
||||||
|
"title=\"Separate demo\"",
|
||||||
|
res_get_handler,
|
||||||
|
NULL,
|
||||||
|
NULL,
|
||||||
|
NULL,
|
||||||
|
res_resume_handler);
|
||||||
|
|
||||||
|
/* A structure to store the information required for the separate handler */
|
||||||
|
typedef struct application_separate_store {
|
||||||
|
|
||||||
|
/* Provided by Erbium to store generic request information such as remote address and token. */
|
||||||
|
coap_separate_t request_metadata;
|
||||||
|
|
||||||
|
/* Add fields for addition information to be stored for finalizing, e.g.: */
|
||||||
|
char buffer[16];
|
||||||
|
} application_separate_store_t;
|
||||||
|
|
||||||
|
#define COAP_MAX_OPEN_SEPARATE 2
|
||||||
|
|
||||||
|
static uint8_t separate_active = 0;
|
||||||
|
static application_separate_store_t separate_store[COAP_MAX_OPEN_SEPARATE];
|
||||||
|
|
||||||
|
static void
|
||||||
|
res_get_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset)
|
||||||
|
{
|
||||||
|
/*
|
||||||
|
* Example allows only one open separate response.
|
||||||
|
* For multiple, the application must manage the list of stores.
|
||||||
|
*/
|
||||||
|
if(separate_active >= COAP_MAX_OPEN_SEPARATE) {
|
||||||
|
coap_separate_reject();
|
||||||
|
} else {
|
||||||
|
++separate_active;
|
||||||
|
|
||||||
|
/* Take over and skip response by engine. */
|
||||||
|
coap_separate_accept(request, &separate_store->request_metadata);
|
||||||
|
/* Be aware to respect the Block2 option, which is also stored in the coap_separate_t. */
|
||||||
|
|
||||||
|
/*
|
||||||
|
* At the moment, only the minimal information is stored in the store (client address, port, token, MID, type, and Block2).
|
||||||
|
* Extend the store, if the application requires additional information from this handler.
|
||||||
|
* buffer is an example field for custom information.
|
||||||
|
*/
|
||||||
|
snprintf(separate_store->buffer, sizeof(separate_store->buffer), "StoredInfo");
|
||||||
|
}
|
||||||
|
}
|
||||||
|
static void
|
||||||
|
res_resume_handler()
|
||||||
|
{
|
||||||
|
if(separate_active) {
|
||||||
|
coap_transaction_t *transaction = NULL;
|
||||||
|
if((transaction = coap_new_transaction(separate_store->request_metadata.mid, &separate_store->request_metadata.addr, separate_store->request_metadata.port))) {
|
||||||
|
coap_packet_t response[1]; /* This way the packet can be treated as pointer as usual. */
|
||||||
|
|
||||||
|
/* Restore the request information for the response. */
|
||||||
|
coap_separate_resume(response, &separate_store->request_metadata, REST.status.OK);
|
||||||
|
|
||||||
|
coap_set_payload(response, separate_store->buffer, strlen(separate_store->buffer));
|
||||||
|
|
||||||
|
/*
|
||||||
|
* Be aware to respect the Block2 option, which is also stored in the coap_separate_t.
|
||||||
|
* As it is a critical option, this example resource pretends to handle it for compliance.
|
||||||
|
*/
|
||||||
|
coap_set_header_block2(response, separate_store->request_metadata.block2_num, 0, separate_store->request_metadata.block2_size);
|
||||||
|
|
||||||
|
/* Warning: No check for serialization error. */
|
||||||
|
transaction->packet_len = coap_serialize_message(response, transaction->packet);
|
||||||
|
coap_send_transaction(transaction);
|
||||||
|
/* The engine will clear the transaction (right after send for NON, after acked for CON). */
|
||||||
|
|
||||||
|
/* FIXME there could me more! */
|
||||||
|
separate_active = 0;
|
||||||
|
} else {
|
||||||
|
/*
|
||||||
|
* Set timer for retry, send error message, ...
|
||||||
|
* The example simply waits for another button press.
|
||||||
|
*/
|
||||||
|
}
|
||||||
|
} /* if (separate_active) */
|
||||||
|
}
|
||||||
Loading…
Reference in a new issue