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21 /// @file OCPlatform_impl.h
23 /// @brief Implementation of the OCPlatform functionality. It contains
24 /// a singleton interface that is used only by the OCPlatform namespace and is the
25 /// central entrance to the stack.
27 #ifndef __OCPLATFORM_IMPL_H
28 #define __OCPLATFORM_IMPL_H
33 #include "OCResource.h"
34 #include "WrapperFactory.h"
35 #include "OCResourceRequest.h"
36 #include "OCResourceResponse.h"
37 #include "OCRepresentation.h"
39 #include "oc_logger.hpp"
44 * @brief Both server and client must initialize the core platform by instantiating OCPlatform.
45 * On successful initialization, an instance of the OCPlatform is returned.
46 * APIs in OCPlatform provide mechanism to register a resource and host the resource
47 * on the server, find resources on the network etc.
52 static PlatformConfig& globalConfig();
55 * API for overwriting the default configuration of the OCPlatform object.
56 * Note: Any calls made to this AFTER the first call to OCPlatform::Instance
59 static void Configure(const PlatformConfig& config);
62 * API for retrieving the current OCPlatform object. This will use the
63 * default platform config, unless the default is over-written using the
64 * Configure method before the first call to instance.
66 static OCPlatform_impl& Instance();
69 // typedef for handle to cancel presence info with
70 typedef OCDoHandle OCPresenceHandle;
75 virtual ~OCPlatform_impl(void);
78 * API for notifying base that resource's attributes have changed.
80 * @param OCResourceHandle resource handle of the resource
81 * @param QualityOfService the quality of communication
83 * @return OCStackResult return value of this API. Returns OC_STACK_OK if success.
84 * NOTE: This API is for server side only.
85 * NOTE: OCResourceHandle is defined in ocstack.h.
86 * NOTE: OCStackResult is defined in ocstack.h.
88 OCStackResult notifyAllObservers(OCResourceHandle resourceHandle);
89 OCStackResult notifyAllObservers(OCResourceHandle resourceHandle, QualityOfService QoS);
92 * API for notifying only specific clients that resource's attributes have changed.
94 * @param OCResourceHandle resource handle of the resource
95 * @param observationIds std vector of observationIds. These set of ids are ones which
96 * which will be notified upon resource change.
97 * @param responsePtr OCResourceResponse pointer used by app to fill the response for this
99 * @param QualityOfService the quality of communication
101 * @return OCStackResult return value of this API. Returns OC_STACK_OK if success.
103 * NOTE: This API is for server side only.
104 * NOTE: OCResourceHandle is defined in ocstack.h.
105 * NOTE: OCStackResult is defined in ocstack.h.
107 OCStackResult notifyListOfObservers(
108 OCResourceHandle resourceHandle,
109 ObservationIds& observationIds,
110 const std::shared_ptr<OCResourceResponse> responsePtr);
111 OCStackResult notifyListOfObservers(
112 OCResourceHandle resourceHandle,
113 ObservationIds& observationIds,
114 const std::shared_ptr<OCResourceResponse> responsePtr,
115 QualityOfService QoS);
118 * API for Service and Resource Discovery.
119 * NOTE: This API applies to client side only.
121 * @param host - Host IP Address of a service to direct resource discovery query. If null or
122 * empty, performs multicast resource discovery query
123 * @param resourceURI - name of the resource. If null or empty, performs search for all
125 * @param handler - Handles callbacks, success states and failure states.
127 * Four modes of discovery defined as follows:
128 * (NULL/Empty, NULL/Empty) - Performs ALL service discovery AND ALL resource
130 * (NULL/Empty, Not Empty) - Performs query for a filtered/scoped/particular
131 * resource(s) from ALL services.
132 * (Not Empty, NULL/Empty) - Performs ALL resource discovery on a particular service.
133 * (Not Empty, Not Empty) - Performs query for a filtered/scoped/particular
134 * resource(s) from a particular service.
135 * @param QualityOfService the quality of communication
137 * @return OCStackResult return value of this API. Returns OC_STACK_OK if success.
138 * NOTE: First parameter 'host' currently represents an IP address. This will change in
139 * future and will refer to endpoint interface so that we can refer to other transports such
141 * NOTE: OCStackResult is defined in ocstack.h.
143 OCStackResult findResource(const std::string& host, const std::string& resourceURI,
144 OCConnectivityType connectivityType, FindCallback resourceHandler);
145 OCStackResult findResource(const std::string& host, const std::string& resourceURI,
146 OCConnectivityType connectivityType, FindCallback resourceHandler,
147 QualityOfService QoS);
149 * API for Device Discovery
151 * @param host - Host IP Address. If null or empty, Multicast is performed.
152 * @param resourceURI - Uri containing address to the virtual device in C Stack
155 * @param QualityOfService the quality of communication
158 OCStackResult getDeviceInfo(const std::string& host, const std::string& deviceURI,
159 OCConnectivityType connectivityType, FindDeviceCallback deviceInfoHandler);
160 OCStackResult getDeviceInfo(const std::string& host, const std::string& deviceURI,
161 OCConnectivityType connectivityType, FindDeviceCallback deviceInfoHandler,
162 QualityOfService QoS);
165 * This API registers a resource with the server
166 * NOTE: This API applies to server side only.
168 * @param resourceHandle - Upon successful registration, resourceHandle will be filled
169 * @param resourceURI - The URI of the resource. Example: "a/light". See NOTE below
170 * @param resourceTypeName - The resource type. Example: "light"
171 * @param resourceInterface - The resource interface (whether it is collection etc).
172 * @param entityHandler - entity handler callback.
173 * @param resourceProperty - indicates the property of the resource. Defined in ocstack.h.
174 * setting resourceProperty as OC_DISCOVERABLE will allow Discovery of this resource
175 * setting resourceProperty as OC_OBSERVABLE will allow observation
176 * settings resourceProperty as OC_DISCOVERABLE | OC_OBSERVABLE will allow both discovery
179 * @return OCStackResult return value of this API. Returns OC_STACK_OK if success.
180 * NOTE: "a/light" is a relative URI.
181 * Above relative URI will be prepended (by core) with a host IP + namespace "oc"
182 * Therefore, fully qualified URI format would be //HostIP-Address/namespace/relativeURI"
183 * Example, a relative URI: 'a/light' will result in a fully qualified URI:
184 * //192.168.1.1/oc/a/light"
185 * First parameter can take a relative URI and core will take care of preparing the fully
187 * first parameter can take fully qualified URI and core will take that as is for further
189 * NOTE: OCStackResult is defined in ocstack.h.
191 OCStackResult registerResource(OCResourceHandle& resourceHandle,
192 std::string& resourceURI,
193 const std::string& resourceTypeName,
194 const std::string& resourceInterface,
195 EntityHandler entityHandler,
196 uint8_t resourceProperty);
199 * This API registers a resource with the server
200 * NOTE: This API applies to server & client side.
202 * @param resourceHandle - Upon successful registration, resourceHandle will be filled
203 * @param OCResource - The instance of OCResource that all data filled.
205 * @return OCStackResult return value of this API. Returns OC_STACK_OK if success.
208 OCStackResult registerResource(OCResourceHandle& resourceHandle,
209 const std::shared_ptr<OCResource> resource);
212 * This API registers all the device specific information
214 * @param OCDeviceInfo - Structure containing all the device related information
216 * @return OCStackResult return value of the API. Returns OC_STACK_OK if success
218 * Note: OCDeviceInfo is defined in OCStack.h
220 OCStackResult registerDeviceInfo(const OCDeviceInfo deviceInfo);
223 * Set default device entity handler
225 * @param entityHandler - entity handler to handle requests for
226 * any undefined resources or default actions.
227 * if NULL is passed it removes the device default entity handler.
230 * OC_STACK_OK - no errors
231 * OC_STACK_ERROR - stack process error
233 OCStackResult setDefaultDeviceEntityHandler(EntityHandler entityHandler);
236 * This API unregisters a resource with the server
237 * NOTE: This API applies to server side only.
239 * @param resourceHandle - This is the resource handle which we which to unregister from the
242 * @return OCStackResult return value of this API. Returns OC_STACK_OK if success.
243 * NOTE: OCStackResult is defined in ocstack.h.
245 OCStackResult unregisterResource(const OCResourceHandle& resourceHandle) const;
248 * Add a resource to a collection resource.
250 * @param collectionHandle - handle to the collection resource
251 * @param addedResourceHandle - handle to resource to be added to the collection resource
253 * @return OCStackResult return value of this API. Returns OC_STACK_OK if success.<br>
254 * NOTE: OCStackResult is defined in ocstack.h. <br>
255 * NOTE: bindResource must be used only after the both collection resource and
256 * resource to add under a collections are created and respective handles obtained<br>
257 * <b>Example:</b> <br>
258 * Step 1: registerResource(homeResourceHandle, "a/home", "home", Link_Interface,
259 * entityHandler, OC_DISCOVERABLE | OC_OBSERVABLE);<br>
260 * Step 2: registerResource(kitchenResourceHandle, "a/kitchen", "kitchen", Link_Interface,
261 * entityHandler, OC_DISCOVERABLE | OC_OBSERVABLE);<br>
262 * Step 3: bindResource(homeResourceHandle, kitchenResourceHandle);<br>
263 * At the end of Step 3, resource "a/home" will contain a reference to "a/kitchen".<br>
265 OCStackResult bindResource(const OCResourceHandle collectionHandle,
266 const OCResourceHandle resourceHandle);
269 * Add multiple resources to a collection resource.
271 * @param collectionHandle - handle to the collection resource
272 * @param addedResourceHandleList reference to list of resource handles to be added to
273 * the collection resource
275 * @return OCStackResult return value of this API. Returns OC_STACK_OK if success. <br>
276 * NOTE: OCStackResult is defined in ocstack.h. <br>
277 * NOTE: bindResources must be used only after the both collection resource and
278 * list of resources to add under a collection are created and respective handles
280 * <b> Example: </b> <br>
281 * Step 1: registerResource(homeResourceHandle, "a/home", "home", Link_Interface,
282 * homeEntityHandler, OC_DISCOVERABLE | OC_OBSERVABLE);<br>
283 * Step 2: registerResource(kitchenResourceHandle, "a/kitchen", "kitchen", Link_Interface,
284 * kitchenEntityHandler, OC_DISCOVERABLE | OC_OBSERVABLE);<br>
285 * Step 3: registerResource(roomResourceHandle, "a/room", "room", Link_Interface,
286 * roomEntityHandler, OC_DISCOVERABLE | OC_OBSERVABLE);<br>
287 * Step 4: std::vector<OCResourceHandle> rList; rList.push_back(kitchenResourceHandle);
288 * rList.push_back(roomResourceHandle);<br>
289 * Step 5: bindResource(homeResourceHandle, rList);<br>
290 * At the end of Step 5, resource "a/home" will contain a references to "a/kitchen"
293 OCStackResult bindResources(const OCResourceHandle collectionHandle,
294 const std::vector<OCResourceHandle>& addedResourceHandleList);
297 * Unbind a resource from a collection resource.
299 * @param collectionHandle - handle to the collection resource
300 * @param resourceHandle resource handle to be unbound from the collection resource
302 * @return OCStackResult return value of this API. Returns OC_STACK_OK if success. <br>
303 * NOTE: OCStackResult is defined in ocstack.h.<br>
304 * NOTE: unbindResource must be used only after the both collection resource and
305 * resource to unbind from a collection are created and respective handles obtained<br>
306 * <b> Example </b> <br>
307 * Step 1: registerResource(homeResourceHandle, "a/home", "home", Link_Interface,
308 * entityHandler, OC_DISCOVERABLE | OC_OBSERVABLE);<br>
309 * Step 2: registerResource(kitchenResourceHandle, "a/kitchen", "kitchen", Link_Interface,
310 * entityHandler, OC_DISCOVERABLE | OC_OBSERVABLE);<br>
311 * Step 3: bindResource(homeResourceHandle, kitchenResourceHandle);<br>
312 * Step 4: unbindResource(homeResourceHandle, kitchenResourceHandle);<br>
313 * At the end of Step 4, resource "a/home" will no longer reference "a/kitchen". <br>
315 OCStackResult unbindResource(const OCResourceHandle collectionHandle,
316 const OCResourceHandle resourceHandle);
319 * Unbind resources from a collection resource.
321 * @param collectionHandle - handle to the collection resource
322 * @param resourceHandleList List of resource handles to be unbound from the collection
325 * @return OCStackResult return value of this API. Returns OC_STACK_OK if success. <br>
327 * NOTE: OCStackResult is defined in ocstack.h.<br>
328 * NOTE: unbindResources must be used only after the both collection resource and
329 * list of resources resource to unbind from a collection are created and respective handles
331 * <b>Example</b> <br>
332 * Step 1: registerResource(homeResourceHandle, "a/home", "home", Link_Interface,
333 * homeEntityHandler, OC_DISCOVERABLE | OC_OBSERVABLE);<br>
334 * Step 2: registerResource(kitchenResourceHandle, "a/kitchen", "kitchen", Link_Interface,
335 * kitchenEntityHandler, OC_DISCOVERABLE | OC_OBSERVABLE);<br>
336 * Step 3: registerResource(roomResourceHandle, "a/room", "room", Link_Interface,
337 * roomEntityHandler, OC_DISCOVERABLE | OC_OBSERVABLE);<br>
338 * Step 4: std::vector<OCResourceHandle> rList; rList.push_back(kitchenResourceHandle);
339 * rList.push_back(roomResourceHandle);<br>
340 * Step 5: bindResource(homeResourceHandle, rList);<br>
341 * Step 6: unbindResources(homeResourceHandle, rList);<br>
342 * At the end of Step 6, resource "a/home" will no longer reference to "a/kitchen"
345 OCStackResult unbindResources(const OCResourceHandle collectionHandle,
346 const std::vector<OCResourceHandle>& resourceHandleList);
349 * Binds a type to a particular resource
350 * @param resourceHandle - handle to the resource
351 * @param resourceTypeName - new typename to bind to the resource
353 * @return OCStackResult - return value of the API. Returns OCSTACK_OK if success <br>
355 OCStackResult bindTypeToResource(const OCResourceHandle& resourceHandle,
356 const std::string& resourceTypeName) const;
359 * Binds an interface to a particular resource
360 * @param resourceHandle - handle to the resource
361 * @param resourceTypeName - new interface to bind to the resource
363 * @return OCStackResult - return value of the API. Returns OCSTACK_OK if success <br>
365 OCStackResult bindInterfaceToResource(const OCResourceHandle& resourceHandle,
366 const std::string& resourceInterfaceName) const;
369 * Start Presence announcements.
371 * @param ttl - time to live
372 * @return OCStackResult - Returns OCSTACK_OK if success <br>
374 * Server can call this function when it comes online for the
375 * first time, or when it comes back online from offline mode,
376 * or when it re enters network.
379 OCStackResult startPresence(const unsigned int ttl);
382 * Stop Presence announcements.
384 * @return OCStackResult - Returns OCSTACK_OK if success <br>
386 * Server can call this function when it is terminating,
387 * going offline, or when going away from network.
390 OCStackResult stopPresence();
393 * subscribes to a server's presence change events. By making this subscription,
394 * every time a server adds/removes/alters a resource, starts or is intentionally
395 * stopped (potentially more to be added later).
397 * @param presenceHandle - a handle object that can be used to identify this subscription
398 * request. It can be used to unsubscribe from these events in the future.
399 * It will be set upon successful return of this method.
400 * @param host - The IP address/addressable name of the server to subscribe to.
401 * @param resourceType - a resource type specified as a filter for subscription callbacks.
402 * @param presenceHandler - callback function that will receive notifications/subscription
405 * @return OCStackResult - return value of the API. Returns OCSTACK_OK if success <br>
407 OCStackResult subscribePresence(OCPresenceHandle& presenceHandle, const std::string& host,
408 OCConnectivityType connectivityType, SubscribeCallback presenceHandler);
409 OCStackResult subscribePresence(OCPresenceHandle& presenceHandle, const std::string& host,
410 const std::string& resourceType, OCConnectivityType connectivityType,
411 SubscribeCallback presenceHandler);
413 * unsubscribes from a previously subscribed server's presence events. Note that
414 * you may for a short time still receive events from the server since it may take time
415 * for the unsubscribe to take effect.
417 * @param presenceHandle - the handle object provided by the subscribePresence call that
418 * identifies this subscription.
420 * @return OCStackResult - return value of the API. Returns OCSTACK_OK if success <br>
422 OCStackResult unsubscribePresence(OCPresenceHandle presenceHandle);
425 * Creates a resource proxy object so that get/put/observe functionality
426 * can be used without discovering the object in advance. Note that the
427 * consumer of this method needs to provide all of the details required to
428 * correctly contact and observe the object. If the consumer lacks any of
429 * this information, they should discover the resource object normally.
430 * Additionally, you can only create this object if OCPlatform was initialized
431 * to be a Client or Client/Server. Otherwise, this will return an empty
434 * @param host - a string containing a resolvable host address of the server
435 * holding the resource. Currently this should be in the format
436 * coap://address:port, though in the future, we expect this to
437 * change to //address:port
439 * @param uri - the rest of the resource's URI that will permit messages to be
440 * properly routed. Example: /a/light
442 * @param isObservable - a boolean containing whether the resource supports observation
444 * @param resourceTypes - a collection of resource types implemented by the resource
446 * @param interfaces - a collection of interfaces that the resource supports/implements
447 * @return OCResource::Ptr - a shared pointer to the new resource object
449 OCResource::Ptr constructResourceObject(const std::string& host, const std::string& uri,
450 OCConnectivityType connectivityType, bool isObservable,
451 const std::vector<std::string>& resourceTypes,
452 const std::vector<std::string>& interfaces);
454 * Allows application entity handler to send response to an incoming request.
456 * @param pResponse - OCResourceResponse pointer that will permit to set values related
457 * to resource response. <br>
458 * @return OCStackResult - return value of the API. Returns OCSTACK_OK if success <br>
460 OCStackResult sendResponse(const std::shared_ptr<OCResourceResponse> pResponse);
463 PlatformConfig m_cfg;
466 std::unique_ptr<WrapperFactory> m_WrapperInstance;
467 IServerWrapper::Ptr m_server;
468 IClientWrapper::Ptr m_client;
469 std::shared_ptr<std::recursive_mutex> m_csdkLock;
473 * Constructor for OCPlatform. Constructs a new OCPlatform from a given PlatformConfig with
475 * @param config PlatformConfig struct which has details such as modeType
476 * (server/client/both), in-proc/out-of-proc etc.
478 OCPlatform_impl(const PlatformConfig& config);
481 * Private function to initialize the platform
483 void init(const PlatformConfig& config);
486 * Private constructor/operators to prevent copying
489 OCPlatform_impl(const OCPlatform_impl& other)= delete;
490 OCPlatform_impl& operator=(const OCPlatform_impl&) = delete;
491 OCPlatform_impl& operator=(const OCPlatform_impl&&) = delete;
495 #endif //__OCPLATFORM_IMPL_H