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
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31 #define USE_RANDOM_PORT (0)
33 //-----------------------------------------------------------------------------
34 // Function prototypes
35 //-----------------------------------------------------------------------------
38 * Initialize the OC Stack. Must be called prior to starting the stack.
41 * IP Address of host device. Deprecated parameter.
43 * Port of host device. Deprecated parameter.
45 * Host device is client, server, or client-server.
47 * @return ::OC_STACK_OK on success, some other value upon failure.
49 OCStackResult OCInit(const char *ipAddr, uint16_t port, OCMode mode);
52 * Stop the OC stack. Use for a controlled shutdown.
54 * Note: OCStop() performs operations similar to OCStopPresence(), as well as OCDeleteResource() on
55 * all resources this server is hosting. OCDeleteResource() performs operations similar to
56 * OCNotifyAllObservers() to notify all client observers that the respective resource is being
59 * @return ::OC_STACK_OK on success, some other value upon failure.
61 OCStackResult OCStop();
64 * Called in main loop of OC client or server. Allows low-level processing of
67 * @return ::OC_STACK_OK on success, some other value upon failure.
69 OCStackResult OCProcess();
72 * Discover or Perform requests on a specified resource (specified by that Resource's respective
75 * @param handle @ref OCDoHandle to refer to the request sent out on behalf of
76 * calling this API. This handle can be used to cancel this operation
77 * via the OCCancel API.
78 * Note: This reference is handled internally, and
79 * should not be free'd by the consumer. A NULL handle is permitted
80 * in the event where the caller has no use for the return value.
81 * @param method @ref OCMethod to perform on the resource.
82 * @param requiredUri URI of the resource to interact with.
83 * @param referenceUri URI of the reference resource.
84 * @param request JSON encoded request.
85 * @param conType @ref OCConnectivityType type of connectivity indicating the
86 * interface. Example: ::OC_WIFI, ::OC_ETHERNET, ::OC_ALL.
87 * @param qos Quality of service. Note that if this API is called on a uri with
88 * the well-known multicast IP address, the qos will be forced to
90 * since it is impractical to send other QOS levels on such addresses.
91 * @param cbData Asynchronous callback function that is invoked
92 * by the stack when discovery or resource interaction is complete.
93 * @param options The address of an array containing the vendor specific
94 * header options to be sent with the request.
95 * @param numOptions Number of header options to be included.
97 * Note: Presence subscription amendments (ie. adding additional resource type filters by calling
98 * this API again) require the use of the same base URI as the original request to successfully
99 * amend the presence filters.
101 * @return ::OC_STACK_OK on success, some other value upon failure.
103 OCStackResult OCDoResource(OCDoHandle *handle, OCMethod method, const char *requiredUri,
104 const char *referenceUri, const char *request, OCConnectivityType conType,
105 OCQualityOfService qos, OCCallbackData *cbData,
106 OCHeaderOption * options, uint8_t numOptions);
109 * Cancel a request associated with a specific @ref OCDoResource invocation.
111 * @param handle - Used to identify a specific OCDoResource invocation.
112 * @param qos - used to specify Quality of Service (read below for more info)
113 * @param options- used to specify vendor specific header options when sending
114 * explicit observe cancellation
115 * @param numOptions- Number of header options to be included
117 * @return ::OC_STACK_OK on success, some other value upon failure.
119 OCStackResult OCCancel(OCDoHandle handle, OCQualityOfService qos, OCHeaderOption * options,
123 * @brief Register Persistent storage callback.
124 * @param persistentStorageHandler [IN] Pointers to open, read, write, close & unlink handlers.
126 * OC_STACK_OK - No errors; Success
127 * OC_STACK_INVALID_PARAM - Invalid parameter
129 OCStackResult OCRegisterPersistentStorageHandler(OCPersistentStorage* persistentStorageHandler);
133 * When operating in @ref OCServer or @ref OCClientServer mode, this API will start sending out
134 * presence notifications to clients via multicast. Once this API has been called with a success,
135 * clients may query for this server's presence and this server's stack will respond via multicast.
137 * Server can call this function when it comes online for the first time, or when it comes back
138 * online from offline mode, or when it re enters network.
140 * @param ttl Time To Live in seconds.
141 * Note: If ttl is '0', then the default stack value will be used (60 Seconds).
143 * If ttl is greater than OC_MAX_PRESENCE_TTL_SECONDS, then the ttl will be set to
144 * OC_MAX_PRESENCE_TTL_SECONDS.
146 * @return ::OC_STACK_OK on success, some other value upon failure.
148 OCStackResult OCStartPresence(const uint32_t ttl);
151 * When operating in @ref OCServer or @ref OCClientServer mode, this API will stop sending out
152 * presence notifications to clients via multicast. Once this API has been called with a success,
153 * this server's stack will not respond to clients querying for this server's presence.
155 * Server can call this function when it is terminating, going offline, or when going
158 * @return ::OC_STACK_OK on success, some other value upon failure.
161 OCStackResult OCStopPresence();
166 * Set default device entity handler.
168 * @param entityHandler Entity handler function that is called by ocstack to handle requests for
169 * any undefined resources or default actions.
170 * If NULL is passed it removes the device default entity handler.
172 * @return ::OC_STACK_OK on success, some other value upon failure.
174 OCStackResult OCSetDefaultDeviceEntityHandler(OCDeviceEntityHandler entityHandler);
177 * Set device information.
179 * @param deviceInfo - Structure passed by the server application containing
180 * the device information.
184 * OC_STACK_OK - no errors
185 * OC_STACK_INVALID_PARAM - invalid paramerter
186 * OC_STACK_ERROR - stack process error
188 OCStackResult OCSetDeviceInfo(OCDeviceInfo deviceInfo);
191 * Set platform information.
193 * @param platformInfo - Structure passed by the server application containing
194 * the platform information.
198 * OC_STACK_OK - no errors
199 * OC_STACK_INVALID_PARAM - invalid paramerter
200 * OC_STACK_ERROR - stack process error
202 OCStackResult OCSetPlatformInfo(OCPlatformInfo platformInfo);
207 * @param handle Pointer to handle to newly created resource. Set by ocstack and
208 * used to refer to resource.
209 * @param resourceTypeName Name of resource type. Example: "core.led".
210 * @param resourceInterfaceName Name of resource interface. Example: "core.rw".
211 * @param uri URI of the resource. Example: "/a/led".
212 * @param entityHandler Entity handler function that is called by ocstack to handle requests, etc.
213 * NULL for default entity handler.
214 * @param resourceProperties Properties supported by resource.
215 * Example: ::OC_DISCOVERABLE|::OC_OBSERVABLE.
217 * @return ::OC_STACK_OK on success, some other value upon failure.
219 OCStackResult OCCreateResource(OCResourceHandle *handle,
220 const char *resourceTypeName,
221 const char *resourceInterfaceName,
223 OCEntityHandler entityHandler,
224 uint8_t resourceProperties);
228 * Add a resource to a collection resource.
230 * @param collectionHandle Handle to the collection resource.
231 * @param resourceHandle Handle to resource to be added to the collection resource.
233 * @return ::OC_STACK_OK on success, some other value upon failure.
235 OCStackResult OCBindResource(OCResourceHandle collectionHandle, OCResourceHandle resourceHandle);
238 * Remove a resource from a collection resource.
240 * @param collectionHandle Handle to the collection resource.
241 * @param resourceHandle Handle to resource to be removed from the collection resource.
243 * @return ::OC_STACK_OK on success, some other value upon failure.
245 OCStackResult OCUnBindResource(OCResourceHandle collectionHandle, OCResourceHandle resourceHandle);
248 * Bind a resourcetype to a resource.
250 * @param handle Handle to the resource.
251 * @param resourceTypeName Name of resource type. Example: "core.led".
253 * @return ::OC_STACK_OK on success, some other value upon failure.
255 OCStackResult OCBindResourceTypeToResource(OCResourceHandle handle,
256 const char *resourceTypeName);
258 * Bind a resource interface to a resource.
260 * @param handle Handle to the resource.
261 * @param resourceInterfaceName Name of resource interface. Example: "core.rw".
263 * @return ::OC_STACK_OK on success, some other value upon failure.
265 OCStackResult OCBindResourceInterfaceToResource(OCResourceHandle handle,
266 const char *resourceInterfaceName);
269 * Bind an entity handler to the resource.
271 * @param handle Handle to the resource that the contained resource is to be bound.
272 * @param entityHandler Entity handler function that is called by ocstack to handle requests, etc.
273 * @return ::OC_STACK_OK on success, some other value upon failure.
275 OCStackResult OCBindResourceHandler(OCResourceHandle handle, OCEntityHandler entityHandler);
278 * Get the number of resources that have been created in the stack.
280 * @param numResources Pointer to count variable.
282 * @return ::OC_STACK_OK on success, some other value upon failure.
284 OCStackResult OCGetNumberOfResources(uint8_t *numResources);
287 * Get a resource handle by index.
289 * @param index Index of resource, 0 to Count - 1.
291 * @return Found resource handle or NULL if not found.
293 OCResourceHandle OCGetResourceHandle(uint8_t index);
296 * Delete resource specified by handle. Deletes resource and all resourcetype and resourceinterface
299 * Note: OCDeleteResource() performs operations similar to OCNotifyAllObservers() to notify all
300 * client observers that "this" resource is being deleted.
302 * @param handle Handle of resource to be deleted.
304 * @return ::OC_STACK_OK on success, some other value upon failure.
306 OCStackResult OCDeleteResource(OCResourceHandle handle);
309 * Get the URI of the resource specified by handle.
311 * @param handle Handle of resource.
312 * @return URI string if resource found or NULL if not found.
314 const char *OCGetResourceUri(OCResourceHandle handle);
317 * Get the properties of the resource specified by handle.
318 * NOTE: that after a resource is created, the OC_ACTIVE property is set
319 * for the resource by the stack.
321 * @param handle Handle of resource.
322 * @return OCResourceProperty Bitmask or -1 if resource is not found.
324 OCResourceProperty OCGetResourceProperties(OCResourceHandle handle);
327 * Get the number of resource types of the resource.
329 * @param handle Handle of resource.
330 * @param numResourceTypes Pointer to count variable.
332 * @return ::OC_STACK_OK on success, some other value upon failure.
334 OCStackResult OCGetNumberOfResourceTypes(OCResourceHandle handle, uint8_t *numResourceTypes);
337 * Get name of resource type of the resource.
339 * @param handle Handle of resource.
340 * @param index Index of resource, 0 to Count - 1.
342 * @return Resource type name if resource found or NULL if resource not found.
344 const char *OCGetResourceTypeName(OCResourceHandle handle, uint8_t index);
347 * Get the number of resource interfaces of the resource.
349 * @param handle Handle of resource.
350 * @param numResourceInterfaces Pointer to count variable.
352 * @return ::OC_STACK_OK on success, some other value upon failure.
354 OCStackResult OCGetNumberOfResourceInterfaces(OCResourceHandle handle,
355 uint8_t *numResourceInterfaces);
358 * Get name of resource interface of the resource.
360 * @param handle Handle of resource.
361 * @param index Index of resource, 0 to Count - 1.
363 * @return Resource interface name if resource found or NULL if resource not found.
365 const char *OCGetResourceInterfaceName(OCResourceHandle handle, uint8_t index);
368 * Get methods of resource interface of the resource.
370 * @param handle Handle of resource.
371 * @param index Index of resource, 0 to Count - 1.
373 * @return Allowed methods if resource found or NULL if resource not found.
375 uint8_t OCGetResourceInterfaceAllowedMethods(OCResourceHandle handle, uint8_t index);
378 * Get resource handle from the collection resource by index.
380 * @param collectionHandle Handle of collection resource.
381 * @param index Index of contained resource, 0 to Count - 1.
383 * @return Handle to contained resource if resource found or NULL if resource not found.
385 OCResourceHandle OCGetResourceHandleFromCollection(OCResourceHandle collectionHandle,
389 * Get the entity handler for a resource.
391 * @param handle Handle of resource.
393 * @return Entity handler if resource found or NULL resource not found.
395 OCEntityHandler OCGetResourceHandler(OCResourceHandle handle);
398 * Notify all registered observers that the resource representation has
399 * changed. If observation includes a query the client is notified only
400 * if the query is valid after the resource representation has changed.
402 * @param handle Handle of resource.
403 * @param qos Desired quality of service for the observation notifications.
405 * @return ::OC_STACK_OK on success, some other value upon failure.
407 OCStackResult OCNotifyAllObservers(OCResourceHandle handle, OCQualityOfService qos);
410 * Notify specific observers with updated value of representation.
411 * Before this API is invoked by entity handler it has finished processing
412 * queries for the associated observers.
414 * @param handle Handle of resource.
415 * @param obsIdList List of observation ids that need to be notified.
416 * @param numberOfIds Number of observation ids included in obsIdList.
417 * @param notificationJSONPayload JSON encoded payload to send in notification.
418 * @param qos Desired quality of service of the observation notifications.
419 * NOTE: The memory for obsIdList and notificationJSONPayload is managed by the
420 * entity invoking the API. The maximum size of the notification is 1015 bytes
421 * for non-Arduino platforms. For Arduino the maximum size is 247 bytes.
423 * @return ::OC_STACK_OK on success, some other value upon failure.
426 OCNotifyListOfObservers (OCResourceHandle handle,
427 OCObservationId *obsIdList,
429 const char *notificationJSONPayload,
430 OCQualityOfService qos);
434 * Send a response to a request.
435 * The response can be a normal, slow, or block (i.e. a response that
436 * is too large to be sent in a single PDU and must span multiple transmissions).
438 * @param response Pointer to structure that contains response parameters.
440 * @return ::OC_STACK_OK on success, some other value upon failure.
442 OCStackResult OCDoResponse(OCEntityHandlerResponse *response);
448 * This method is used to retrieved the IPv4 address from OCDev address
451 * @param ipAddr OCDevAddr address.
452 * @param a first byte of IPv4 address.
453 * @param b second byte of IPv4 address.
454 * @param c third byte of IPv4 address.
455 * @param d fourth byte of IPv4 address.
456 * @return ::OC_STACK_OK on success, some other value upon failure.
458 int32_t OCDevAddrToIPv4Addr(OCDevAddr *ipAddr, uint8_t *a, uint8_t *b,
459 uint8_t *c, uint8_t *d );
462 * This method is used to retrieve the port number from OCDev address
465 * @param ipAddr OCDevAddr address.
466 * @param port Port number.
467 * @return ::OC_STACK_OK on success, some other value upon failure.
469 int32_t OCDevAddrToPort(OCDevAddr *ipAddr, uint16_t *port);
473 #endif // __cplusplus
475 #endif /* OCSTACK_H_ */