1 //******************************************************************
3 // Copyright 2014 Intel Mobile Communications GmbH All Rights Reserved.
5 //-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
7 // Licensed under the Apache License, Version 2.0 (the "License");
8 // you may not use this file except in compliance with the License.
9 // You may obtain a copy of the License at
11 // http://www.apache.org/licenses/LICENSE-2.0
13 // Unless required by applicable law or agreed to in writing, software
14 // distributed under the License is distributed on an "AS IS" BASIS,
15 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 // See the License for the specific language governing permissions and
17 // limitations under the License.
19 //-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
24 /* In CoAP sequence number is a 24 bit field */
25 #define MAX_SEQUENCE_NUMBER (0xFFFFFF)
27 #define MAX_OBSERVER_FAILED_COMM (2)
28 #define MAX_OBSERVER_NON_COUNT (3)
30 /* This information is stored for each registerd observer */
31 typedef struct ResourceObserver {
32 // Observation Identifier for request
33 OCObservationId observeId;
34 // URI of observed resource
35 unsigned char *resUri;
38 //token for the observe request
42 //TODO bundle it in Endpoint structure(address, uri, type, secured)
43 /** Remote Endpoint address **/
44 CAAddress_t addressInfo;
45 /** Connectivity of the endpoint**/
46 CAConnectivityType_t connectivityType;
47 // Quality of service of the request
48 OCQualityOfService qos;
49 // number of times the server failed to reach the observer
50 uint8_t failedCommCount;
51 // number of times the server sent NON notifications
53 // force the qos value to CON
55 // next node in this list
56 struct ResourceObserver *next;
60 OCStackResult SendAllObserverNotification (OCMethod method, OCResource *resPtr, uint32_t maxAge,
61 OCResourceType *resourceType, OCQualityOfService qos);
63 OCStackResult SendAllObserverNotification (OCMethod method, OCResource *resPtr, uint32_t maxAge,
64 OCQualityOfService qos);
66 OCStackResult SendListObserverNotification (OCResource * resource,
67 OCObservationId *obsIdList, uint8_t numberOfIds,
68 unsigned char *notificationJSONPayload, uint32_t maxAge,
69 OCQualityOfService qos);
71 void DeleteObserverList();
73 OCStackResult GenerateObserverId (OCObservationId *observationId);
75 OCStackResult AddObserver (const char *resUri,
77 OCObservationId obsId,
79 OCResource *resHandle,
80 OCQualityOfService qos,
81 CAAddress_t *addressInfo,
82 CAConnectivityType_t connectivityType);
84 OCStackResult DeleteObserverUsingToken (CAToken_t * token);
85 ResourceObserver* GetObserverUsingToken (const CAToken_t * token);
87 ResourceObserver* GetObserverUsingId (const OCObservationId observeId);
90 CreateObserveHeaderOption (CAHeaderOption_t **caHdrOpt,
91 OCHeaderOption *ocHdrOpt,
95 GetObserveHeaderOption (uint32_t * observationOption,
96 CAHeaderOption_t *options,
97 uint8_t * numOptions);