70 lines
2.8 KiB
C
70 lines
2.8 KiB
C
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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
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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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* 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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static void 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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* Example for a resource that also handles all its sub-resources.
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* Use REST.get_url() to multiplex the handling of the request depending on the Uri-Path.
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*/
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PARENT_RESOURCE(res_sub,
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"title=\"Sub-resource 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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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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REST.set_header_content_type(response, REST.type.TEXT_PLAIN);
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const char *uri_path = NULL;
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int len = REST.get_url(request, &uri_path);
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int base_len = strlen(res_sub.url);
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if(len == base_len) {
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snprintf((char *)buffer, REST_MAX_CHUNK_SIZE, "Request any sub-resource of /%s", res_sub.url);
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} else {
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snprintf((char *)buffer, REST_MAX_CHUNK_SIZE, ".%.*s", len - base_len, uri_path + base_len);
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} REST.set_response_payload(response, buffer, strlen((char *)buffer));
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}
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