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 //-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
22 //-----------------------------------------------------------------------------
23 // Internal include file used by lower layers of the OC stack
24 //-----------------------------------------------------------------------------
25 #ifndef OCSTACKINTERNAL_H_
26 #define OCSTACKINTERNAL_H_
28 //-----------------------------------------------------------------------------
30 //-----------------------------------------------------------------------------
33 #include "ocstackconfig.h"
34 #include "occlientcb.h"
39 #include "cainterface.h"
46 //-----------------------------------------------------------------------------
48 //-----------------------------------------------------------------------------
49 extern OCDeviceEntityHandler defaultDeviceHandler;
51 //-----------------------------------------------------------------------------
53 //-----------------------------------------------------------------------------
54 #define OC_COAP_SCHEME "coap://"
55 #define OC_OFFSET_SEQUENCE_NUMBER (4) // the first outgoing sequence number will be 5
59 // Observe option field
61 // IP address & port of client registered for observe
66 // The result of the observe request
71 * This structure will be created in occoap and passed up the stack on the server side.
75 // Observe option field
76 uint32_t observationOption;
77 // the REST method retrieved from received request PDU
79 // resourceUrl will be filled in occoap using the path options in received request PDU
80 char resourceUrl[MAX_URI_LENGTH];
81 // resource query send by client
82 char query[MAX_QUERY_LENGTH];
83 // reqJSON is retrieved from the payload of the received request PDU
84 char reqJSONPayload[MAX_REQUEST_LENGTH];
85 // qos is indicating if the request is CON or NON
86 OCQualityOfService qos;
87 // An array of the received vendor specific header options
88 uint8_t numRcvdVendorSpecificHeaderOptions;
89 OCHeaderOption rcvdVendorSpecificHeaderOptions[MAX_HEADER_OPTIONS];
91 /** Remote Endpoint address **/
92 //////////////////////////////////////////////////////////
93 // TODO: bundle this up as endpoint
94 CAAddress_t addressInfo;
95 /** Connectivity of the endpoint**/
96 CAConnectivityType_t connectivityType;
98 //token for the observe request
99 CAToken_t requestToken;
100 uint8_t tokenLength; //token length
101 // The ID of CoAP pdu
103 uint8_t delayedResNeeded;
105 //////////////////////////////////////////////////////////
106 uint8_t reqMorePacket;
107 uint32_t reqPacketNum;
108 uint16_t reqPacketSize;
109 uint32_t resPacketNum;
110 uint16_t resPacketSize;
112 } OCServerProtocolRequest;
116 // Observe option field
117 uint32_t observationOption;
118 // qos is indicating if the request is CON or NON
119 OCQualityOfService qos;
120 // Allow the entity handler to pass a result with the response
121 OCStackResult result;
122 // IP address & port of client registered for observe
123 OCDevAddr *requesterAddr;
125 CAToken_t *requestToken;
127 // The ID of CoAP pdu
129 // Flag indicating that response is to be delayed before sending
130 uint8_t delayedResNeeded;
133 uint8_t notificationFlag;
134 // this is the pointer to server payload data to be transferred
136 // size of server payload data. Don't rely on null terminated data for size
137 uint16_t payloadSize;
138 // An array of the vendor specific header options the entity handler wishes to use in response
139 uint8_t numSendVendorSpecificHeaderOptions;
140 OCHeaderOption *sendVendorSpecificHeaderOptions;
141 // URI of new resource that entity handler might create
143 } OCServerProtocolResponse;
146 * This structure will be created in occoap and passed up the stack on the client side.
150 // handle is retrieved by comparing the token-handle pair in the PDU.
152 // This is how long this response is valid for (in seconds).
154 // This is the Uri of the resource. (ex. "coap://192.168.1.1/a/led")
156 // This is the relative Uri of the resource. (ex. "/a/led")
158 // This is the received payload.
161 // This is the token received OTA.
162 CAToken_t * rcvdToken;
164 // this structure will be passed to client
165 OCClientResponse * clientResponse;
169 * This typedef is to represent our Server Instance identification.
171 typedef uint32_t ServerID;
173 //-----------------------------------------------------------------------------
174 // Internal function prototypes
175 //-----------------------------------------------------------------------------
179 * Notify Presence subscribers that a resource has been modified.
181 * @param resourceType Handle to the resourceType linked list of resource
183 * @return ::OC_STACK_OK on success, some other value upon failure.
185 OCStackResult SendPresenceNotification(OCResourceType *resourceType);
188 * Send Stop Notification to Presence subscribers.
190 * @return ::OC_STACK_OK on success, some other value upon failure.
192 OCStackResult SendStopNotification();
193 #endif // WITH_PRESENCE
196 * Bind a resource interface to a resource.
198 * @param resource Target resource.
199 * @param resourceInterfaceName Resource interface.
200 * @return ::OC_STACK_OK on success, some other value upon failure.
202 OCStackResult BindResourceInterfaceToResource(OCResource* resource,
203 const char *resourceInterfaceName);
205 * Bind a resourcetype to a resource.
207 * @param resource Target resource.
208 * @param resourceTypeName Name of resource type.
209 * @return ::OC_STACK_OK on success, some other value upon failure.
211 OCStackResult BindResourceTypeToResource(OCResource* resource,
212 const char *resourceTypeName);
214 // Converts a CAResult_t type to a OCStackResult type.
216 * Converts a CAResult_t type to a OCStackResult type.
218 * @param caResult CAResult_t value to convert
219 * @return OCStackResult that was converted from the input CAResult_t value.
221 OCStackResult CAResultToOCResult(CAResult_t caResult);
224 * Get a string representation the server instance ID.
225 * The memory is managed internal to this function, so freeing externally will result
226 * in a compiler error
227 * Note: This will NOT seed the RNG, so it must be called after the RNG is seeded.
228 * This is done automatically during the OCInit process (via the call to OCInitCoAP),
229 * so ensure that this call is done after that.
231 * @return A string representation the server instance ID.
233 const char* OCGetServerInstanceIDString(void);
236 * Map OCQualityOfService to CAMessageType.
238 * @param qos Input qos.
239 * @return CA message type for a given qos.
241 CAMessageType_t qualityOfServiceToMessageType(OCQualityOfService qos);
245 * Enable/disable a resource property.
247 * @param inputProperty Pointer to resource property.
248 * @param resourceProperties Property to be enabled/disabled.
249 * @param enable 0:disable, 1:enable.
251 * @return OCStackResult that was converted from the input CAResult_t value.
253 //TODO: should the following function be public?
254 OCStackResult OCChangeResourceProperty(OCResourceProperty * inputProperty,
255 OCResourceProperty resourceProperties, uint8_t enable);
260 #endif // __cplusplus
262 #endif /* OCSTACKINTERNAL_H_ */