160 lines
6.4 KiB
C
160 lines
6.4 KiB
C
/*
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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
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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 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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* ETSI Plugtest 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 "er-plugtest.h"
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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_post_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset);
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static void res_put_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset);
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static void res_delete_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset);
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RESOURCE(res_plugtest_test, "title=\"Default test resource\"", res_get_handler, res_post_handler, res_put_handler, res_delete_handler);
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static uint8_t test_etag[8] = { 0 };
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static uint8_t test_etag_len = 1;
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static uint8_t test_change = 1;
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static uint8_t test_none_match_okay = 1;
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static const uint8_t *bytes = NULL;
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static size_t len = 0;
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static void
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test_update_etag()
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{
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int i;
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test_etag_len = (random_rand() % 8) + 1;
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for(i = 0; i < test_etag_len; ++i) {
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test_etag[i] = random_rand();
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}
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test_change = 0;
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PRINTF("### SERVER ACTION ### Changed ETag %u [0x%02X%02X%02X%02X%02X%02X%02X%02X]\n", test_etag_len, test_etag[0], test_etag[1], test_etag[2], test_etag[3], test_etag[4], test_etag[5], test_etag[6], test_etag[7]);
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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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coap_packet_t *const coap_req = (coap_packet_t *)request;
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if(test_change) {
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test_update_etag();
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}
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PRINTF("/test GET (%s %u)\n", coap_req->type == COAP_TYPE_CON ? "CON" : "NON", coap_req->mid);
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if((len = coap_get_header_etag(request, &bytes)) > 0
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&& len == test_etag_len
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&& memcmp(test_etag, bytes, len) == 0) {
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PRINTF("validate ");
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REST.set_response_status(response, REST.status.NOT_MODIFIED);
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REST.set_header_etag(response, test_etag, test_etag_len);
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test_change = 1;
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PRINTF("### SERVER ACTION ### Resource will change\n");
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} else {
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/* Code 2.05 CONTENT is default. */
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REST.set_header_content_type(response, REST.type.TEXT_PLAIN);
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REST.set_header_etag(response, test_etag, test_etag_len);
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REST.set_header_max_age(response, 30);
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REST.set_response_payload(
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response,
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buffer,
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snprintf((char *)buffer, MAX_PLUGFEST_PAYLOAD, "Type: %u\nCode: %u\nMID: %u", coap_req->type, coap_req->code, coap_req->mid));
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}
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}
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static void
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res_post_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset)
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{
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coap_packet_t *const coap_req = (coap_packet_t *)request;
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PRINTF("/test POST (%s %u)\n", coap_req->type == COAP_TYPE_CON ? "CON" : "NON", coap_req->mid);
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REST.set_response_status(response, REST.status.CREATED);
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REST.set_header_location(response, "/location1/location2/location3");
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}
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static void
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res_put_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset)
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{
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coap_packet_t *const coap_req = (coap_packet_t *)request;
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PRINTF("/test PUT (%s %u)\n", coap_req->type == COAP_TYPE_CON ? "CON" : "NON", coap_req->mid);
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if(coap_get_header_if_none_match(request)) {
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if(test_none_match_okay) {
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REST.set_response_status(response, REST.status.CREATED);
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test_none_match_okay = 0;
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PRINTF("### SERVER ACTION ### If-None-Match will FAIL\n");
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} else {
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REST.set_response_status(response, PRECONDITION_FAILED_4_12);
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test_none_match_okay = 1;
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PRINTF("### SERVER ACTION ### If-None-Match will SUCCEED\n");
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}
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} else if(((len = coap_get_header_if_match(request, &bytes)) > 0
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&& (len == test_etag_len
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&& memcmp(test_etag, bytes, len) == 0))
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|| len == 0) {
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test_update_etag();
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REST.set_header_etag(response, test_etag, test_etag_len);
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REST.set_response_status(response, REST.status.CHANGED);
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if(len > 0) {
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test_change = 1;
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PRINTF("### SERVER ACTION ### Resource will change\n");
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}
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} else {
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PRINTF("Check %u/%u\n [0x%02X%02X%02X%02X%02X%02X%02X%02X]\n [0x%02X%02X%02X%02X%02X%02X%02X%02X]\n",
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len,
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test_etag_len,
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bytes[0], bytes[1], bytes[2], bytes[3], bytes[4], bytes[5], bytes[6], bytes[7],
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test_etag[0], test_etag[1], test_etag[2], test_etag[3], test_etag[4], test_etag[5], test_etag[6], test_etag[7]);
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REST.set_response_status(response, PRECONDITION_FAILED_4_12);
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}
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}
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static void
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res_delete_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset)
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{
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coap_packet_t *const coap_req = (coap_packet_t *)request;
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PRINTF("/test DELETE (%s %u)\n", coap_req->type == COAP_TYPE_CON ? "CON" : "NON", coap_req->mid);
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REST.set_response_status(response, REST.status.DELETED);
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}
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