contiki/examples/er-rest-example/resources/res-plugtest-multi.c

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/*
* 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
* ETSI Plugtest resource
* \author
* Matthias Kovatsch <kovatsch@inf.ethz.ch>
*/
#include <string.h>
#include "rest-engine.h"
#include "er-coap.h"
#include "er-plugtest.h"
static void res_get_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset);
RESOURCE(res_plugtest_multi,
"title=\"Resource providing text/plain and application/xml\";ct=\"0 41\"",
res_get_handler,
NULL,
NULL,
NULL);
static void
res_get_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset)
{
coap_packet_t *const coap_req = (coap_packet_t *)request;
unsigned int accept = -1;
REST.get_header_accept(request, &accept);
PRINTF("/multi-format GET (%s %u) ", coap_req->type == COAP_TYPE_CON ? "CON" : "NON", coap_req->mid);
if(accept == -1 || accept == REST.type.TEXT_PLAIN) {
REST.set_header_content_type(response, REST.type.TEXT_PLAIN);
REST.set_response_payload(
response,
buffer,
snprintf((char *)buffer, MAX_PLUGFEST_PAYLOAD,
"Type: %u\nCode: %u\nMID: %u%s", coap_req->type, coap_req->code,
coap_req->mid, accept != -1 ? "\nAccept: 0" : ""));
PRINTF("PLAIN\n");
} else if(accept == REST.type.APPLICATION_XML) {
REST.set_header_content_type(response, REST.type.APPLICATION_XML);
REST.set_response_payload(
response,
buffer,
snprintf((char *)buffer, MAX_PLUGFEST_PAYLOAD,
"<status type=\"%u\" code=\"%u\" mid=\"%u\" accept=\"%u\"/>",
coap_req->type, coap_req->code, coap_req->mid, accept));
PRINTF("XML\n");
} else {
REST.set_response_status(response, REST.status.NOT_ACCEPTABLE);
const char *msg = "Supporting content-types text/plain and application/xml";
REST.set_response_payload(response, msg, strlen(msg));
PRINTF("ERROR\n");
}
}