| /* |
| * Copyright (c) 2016 Intel Corporation |
| * |
| * 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. |
| */ |
| |
| #ifndef OBSERVE_H |
| #define OBSERVE_H |
| |
| #include "coap.h" |
| #include "transactions.h" |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| /* OIC stack headers */ |
| #include "oic/oc_ri.h" |
| |
| #define COAP_OBSERVER_URL_LEN 20 |
| |
| typedef struct coap_observer { |
| SLIST_ENTRY(coap_observer) next; |
| |
| oc_resource_t *resource; |
| |
| char url[COAP_OBSERVER_URL_LEN]; |
| oc_endpoint_t endpoint; |
| uint8_t token_len; |
| uint8_t token[COAP_TOKEN_LEN]; |
| uint16_t last_mid; |
| |
| int32_t obs_counter; |
| |
| uint8_t retrans_counter; |
| } coap_observer_t; |
| |
| void coap_remove_observer(coap_observer_t *o); |
| int coap_remove_observer_by_client(oc_endpoint_t *endpoint); |
| int coap_remove_observer_by_token(oc_endpoint_t *endpoint, uint8_t *token, |
| size_t token_len); |
| int coap_remove_observer_by_uri(oc_endpoint_t *endpoint, const char *uri); |
| int coap_remove_observer_by_mid(oc_endpoint_t *endpoint, uint16_t mid); |
| |
| int coap_notify_observers(oc_resource_t *resource, |
| struct oc_response_buffer *response_buf, |
| oc_endpoint_t *endpoint); |
| // int coap_notify_observers_sub(oc_resource_t *resource, const char *subpath); |
| |
| int coap_observe_handler(struct coap_packet_rx *req, coap_packet_t *response, |
| oc_resource_t *resource, oc_endpoint_t *endpoint); |
| |
| void coap_observe_init(void); |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| #endif /* OBSERVE_H */ |