163 lines
6.6 KiB
C
163 lines
6.6 KiB
C
/*
|
|
* 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 <stdio.h>
|
|
#include <string.h>
|
|
#include "coap-engine.h"
|
|
#include "coap.h"
|
|
#include "random.h"
|
|
|
|
/* Log configuration */
|
|
#include "sys/log.h"
|
|
#define LOG_MODULE "Plugtest"
|
|
#define LOG_LEVEL LOG_LEVEL_PLUGTEST
|
|
|
|
static void res_get_handler(coap_message_t *request, coap_message_t *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset);
|
|
static void res_post_handler(coap_message_t *request, coap_message_t *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset);
|
|
static void res_put_handler(coap_message_t *request, coap_message_t *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset);
|
|
static void res_delete_handler(coap_message_t *request, coap_message_t *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset);
|
|
|
|
RESOURCE(res_plugtest_test, "title=\"Default test resource\"", res_get_handler, res_post_handler, res_put_handler, res_delete_handler);
|
|
|
|
static uint8_t test_etag[8] = { 0 };
|
|
static uint8_t test_etag_len = 1;
|
|
static uint8_t test_change = 1;
|
|
static uint8_t test_none_match_okay = 1;
|
|
|
|
static const uint8_t *bytes = NULL;
|
|
static size_t len = 0;
|
|
|
|
static void
|
|
test_update_etag()
|
|
{
|
|
int i;
|
|
test_etag_len = (random_rand() % 8) + 1;
|
|
for(i = 0; i < test_etag_len; ++i) {
|
|
test_etag[i] = random_rand();
|
|
}
|
|
test_change = 0;
|
|
|
|
LOG_DBG("### 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]);
|
|
}
|
|
static void
|
|
res_get_handler(coap_message_t *request, coap_message_t *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset)
|
|
{
|
|
coap_message_t *const coap_req = (coap_message_t *)request;
|
|
|
|
if(test_change) {
|
|
test_update_etag();
|
|
}
|
|
LOG_DBG("/test GET (%s %u)\n", coap_req->type == COAP_TYPE_CON ? "CON" : "NON", coap_req->mid);
|
|
|
|
if((len = coap_get_header_etag(request, &bytes)) > 0
|
|
&& len == test_etag_len
|
|
&& memcmp(test_etag, bytes, len) == 0) {
|
|
LOG_DBG("validate\n");
|
|
coap_set_status_code(response, VALID_2_03);
|
|
coap_set_header_etag(response, test_etag, test_etag_len);
|
|
|
|
test_change = 1;
|
|
LOG_DBG("### SERVER ACTION ### Resource will change\n");
|
|
} else {
|
|
/* Code 2.05 CONTENT is default. */
|
|
coap_set_header_content_format(response, TEXT_PLAIN);
|
|
coap_set_header_etag(response, test_etag, test_etag_len);
|
|
coap_set_header_max_age(response, 30);
|
|
coap_set_payload(
|
|
response,
|
|
buffer,
|
|
snprintf((char *)buffer, MAX_PLUGFEST_PAYLOAD, "Type: %u\nCode: %u\nMID: %u", coap_req->type, coap_req->code, coap_req->mid));
|
|
}
|
|
}
|
|
static void
|
|
res_post_handler(coap_message_t *request, coap_message_t *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset)
|
|
{
|
|
coap_message_t *const coap_req = (coap_message_t *)request;
|
|
LOG_DBG("/test POST (%s %u)\n", coap_req->type == COAP_TYPE_CON ? "CON" : "NON", coap_req->mid);
|
|
coap_set_status_code(response, CREATED_2_01);
|
|
coap_set_header_location_path(response, "/location1/location2/location3");
|
|
}
|
|
static void
|
|
res_put_handler(coap_message_t *request, coap_message_t *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset)
|
|
{
|
|
coap_message_t *const coap_req = (coap_message_t *)request;
|
|
LOG_DBG("/test PUT (%s %u)\n", coap_req->type == COAP_TYPE_CON ? "CON" : "NON", coap_req->mid);
|
|
|
|
if(coap_get_header_if_none_match(request)) {
|
|
if(test_none_match_okay) {
|
|
coap_set_status_code(response, CREATED_2_01);
|
|
|
|
test_none_match_okay = 0;
|
|
LOG_DBG("### SERVER ACTION ### If-None-Match will FAIL\n");
|
|
} else {
|
|
coap_set_status_code(response, PRECONDITION_FAILED_4_12);
|
|
|
|
test_none_match_okay = 1;
|
|
LOG_DBG("### SERVER ACTION ### If-None-Match will SUCCEED\n");
|
|
}
|
|
} else if(((len = coap_get_header_if_match(request, &bytes)) > 0
|
|
&& (len == test_etag_len
|
|
&& memcmp(test_etag, bytes, len) == 0))
|
|
|| len == 0) {
|
|
test_update_etag();
|
|
coap_set_header_etag(response, test_etag, test_etag_len);
|
|
|
|
coap_set_status_code(response, CHANGED_2_04);
|
|
|
|
if(len > 0) {
|
|
test_change = 1;
|
|
LOG_DBG("### SERVER ACTION ### Resource will change\n");
|
|
}
|
|
} else {
|
|
LOG_DBG("Check %u/%u\n [0x%02X%02X%02X%02X%02X%02X%02X%02X]\n [0x%02X%02X%02X%02X%02X%02X%02X%02X]\n",
|
|
(unsigned)len,
|
|
(unsigned)test_etag_len,
|
|
bytes[0], bytes[1], bytes[2], bytes[3], bytes[4], bytes[5], bytes[6], bytes[7],
|
|
test_etag[0], test_etag[1], test_etag[2], test_etag[3], test_etag[4], test_etag[5], test_etag[6], test_etag[7]);
|
|
|
|
coap_set_status_code(response, PRECONDITION_FAILED_4_12);
|
|
}
|
|
}
|
|
static void
|
|
res_delete_handler(coap_message_t *request, coap_message_t *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset)
|
|
{
|
|
coap_message_t *const coap_req = (coap_message_t *)request;
|
|
LOG_DBG("/test DELETE (%s %u)\n", coap_req->type == COAP_TYPE_CON ? "CON" : "NON", coap_req->mid);
|
|
coap_set_status_code(response, DELETED_2_02);
|
|
}
|