text: /*
   * 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 "coap-engine.h"
  #include "coap.h"
  
  /* Log configuration */
  #include "sys/log.h"
  #define LOG_MODULE "Plugtest"
  #define LOG_LEVEL LOG_LEVEL_PLUGTEST
  
  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_create3,
           "title=\"Default test resource\"",
           NULL,
           NULL,
           res_put_handler,
           res_delete_handler);
  
  static uint8_t create3_exists = 0;
  
  static void
  res_put_handler(coap_message_t *request, coap_message_t *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset)
  {
    LOG_DBG("/create3       PUT ");
  
    if(coap_get_header_if_none_match(request)) {
      if(!create3_exists) {
        coap_set_status_code(response, CREATED_2_01);
  
        create3_exists = 1;
      } else {
        coap_set_status_code(response, PRECONDITION_FAILED_4_12);
      }
    } else {
      coap_set_status_code(response, CHANGED_2_04);
    }
  }
  static void
  res_delete_handler(coap_message_t *request, coap_message_t *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset)
  {
    LOG_DBG("/create3       DELETE ");
    coap_set_status_code(response, DELETED_2_02);
  
    create3_exists = 0;
  }
  