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 //-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
27 #include <ocresource.h>
30 typedef struct OCPresence
32 // This is the TTL associated with presence
38 typedef struct OCMulticastNode
42 struct OCMulticastNode * next;
45 typedef struct ClientCB {
46 // callback method defined in application address space
47 OCClientResponseHandler callBack;
48 // callback context data
50 // callback method to delete context data
51 OCClientContextDeleter deleteCallback;
52 // when a response is recvd with this token, above callback will be invoked
54 // a response is recvd with this token length
56 // Invocation handle tied to original call to OCDoResource()
58 // This is used to determine if all responses should be consumed or not.
59 // (For now, only pertains to OC_REST_OBSERVE_ALL Vs. OC_REST_OBSERVE functionality)
61 // This is the sequence identifier the server applies to the invocation tied to 'handle'.
62 uint32_t sequenceNumber;
63 // This is the request uri associated with the call back
65 // Struct to hold TTL info for presence
67 OCPresence * presence;
68 OCResourceType * filterResourceType;
70 // The connectivity type on which the request was sent on.
71 OCConnectivityType conType;
72 // The TTL for this callback. Holds the time till when this callback can
73 // still be used. TTL is set to 0 when the callback is for presence and observe.
74 // Presence has ttl mechanism in the "presence" member of this struct and observes
75 // can be explicitly cancelled.
77 // next node in this list
78 struct ClientCB *next;
81 extern struct ClientCB *cbList;
85 * This method is used to add a client callback method in cbList.
87 * @param[out] clientCB
88 * The resulting node from making this call. Null if out of memory.
90 * address to client callback function.
92 * identifier for OTA CoAP comms.
94 * Masked in the public API as an 'invocation handle' - Used for callback management.
96 * OCMethod via which this client callback is expected to operate
97 * @param[in] requestUri
98 * the resource uri of the request.
99 * @param[in] resourceType
100 * the resourceType associated with a presence request.
102 * the connectivity type on which the associated request for this clientCB was sent on.
104 * time to live in coap_ticks for the callback.
105 * @brief If the handle you're looking for does not exist, the stack will reply with a RST message.
107 * @return OC_STACK_OK for Success, otherwise some error value
110 AddClientCB (ClientCB** clientCB, OCCallbackData* cbData,
111 CAToken_t token, uint8_t tokenLength,
112 OCDoHandle *handle, OCMethod method,
113 char * requestUri, char * resourceTypeName, OCConnectivityType conType, uint32_t ttl);
117 * This method is used to remove a callback node from cbList.
120 * address to client callback node.
122 void DeleteClientCB(ClientCB *cbNode);
127 * This method is used to search and retrieve a cb node in cbList.
130 * token to search for.
132 * handle to search for.
133 * @param[in] requestUri
136 * @brief You can search by token OR by handle, but not both.
138 * @return address of the node if found, otherwise NULL
140 ClientCB* GetClientCB(const CAToken_t token, uint8_t tokenLength,
141 OCDoHandle handle, const char * requestUri);
144 * Inserts a new resource type filter into this cb node.
147 * the node to add the new resourceType filter to
148 * @param[in] resourceTypeName
149 * the value to create the new resourceType filter from
152 * OC_STACK_OK on success
153 * OC_STACK_ERROR with invalid parameters
154 * OC_STACK_NO_MEMORY when out of memory
157 OCStackResult InsertResourceTypeFilter(ClientCB * cbNode, char * resourceTypeName);
158 #endif // WITH_PRESENCE
162 * This method is used to clear the cbList.
165 void DeleteClientCBList();
169 * This method is used to verify the presence of a cb node in cbList
170 * and then delete it.
173 * address to client callback node.
175 void FindAndDeleteClientCB(ClientCB * cbNode);
179 * This method is used to search a multicast presence node from list.
182 * the uri of the request.
184 * @return OCMulticastNode
185 * The resulting node from making this call. Null if doesn't exist.
187 //------------------------------------------------------------------------
188 OCMulticastNode* GetMCPresenceNode(const char * uri);
192 * This method is used to add a multicast presence node to the list.
194 * @param[out] outnode
195 * The resulting node from making this call. Null if out of memory.
197 * the uri of the server.
199 * current nonce for the server
201 * @return OC_STACK_OK for Success, otherwise some error value
203 //------------------------------------------------------------------------
204 OCStackResult AddMCPresenceNode(OCMulticastNode** outnode, char* uri, uint32_t nonce);
206 #endif //OC_CLIENT_CB