libcoap  4.3.0
subscribe.h
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1 /*
2  * subscribe.h -- subscription handling for CoAP
3  * see RFC7641
4  *
5  * Copyright (C) 2010-2012,2014-2021 Olaf Bergmann <bergmann@tzi.org>
6  *
7  * SPDX-License-Identifier: BSD-2-Clause
8  *
9  * This file is part of the CoAP library libcoap. Please see README for terms
10  * of use.
11  */
12 
18 #ifndef COAP_SUBSCRIBE_H_
19 #define COAP_SUBSCRIBE_H_
20 
32 #define COAP_OBSERVE_ESTABLISH 0
33 
39 #define COAP_OBSERVE_CANCEL 1
40 
51 void coap_resource_set_get_observable(coap_resource_t *resource, int mode);
52 
62 int
63 coap_resource_notify_observers(coap_resource_t *resource,
64  const coap_string_t *query);
65 
68 #endif /* COAP_SUBSCRIBE_H_ */
coap_resource_notify_observers
int coap_resource_notify_observers(coap_resource_t *resource, const coap_string_t *query)
Initiate the sending of an Observe packet for all observers of resource, optionally matching query if...
coap_resource_set_get_observable
void coap_resource_set_get_observable(coap_resource_t *resource, int mode)
Set whether a resource is observable.
Definition: resource.c:1050
coap_resource_t
Abstraction of resource that can be attached to coap_context_t.
Definition: coap_resource_internal.h:42
coap_string_t
CoAP string data definition.
Definition: str.h:32