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3 // Copyright 2014 Intel Mobile Communications GmbH All Rights Reserved.
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7 // Licensed under the Apache License, Version 2.0 (the "License");
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25 * This file contains APIs for OIC Stack to be implemented.
39 /** Macro to use Random port.*/
40 #define USE_RANDOM_PORT (0)
47 * This function Initializes the OC Stack. Must be called prior to starting the stack.
49 * @param mode OCMode Host device is client, server, or client-server.
50 * @param serverFlags OCTransportFlags Default server transport flags.
51 * @param clientFlags OCTransportFlags Default client transport flags.
53 * @return ::OC_STACK_OK on success, some other value upon failure.
55 OCStackResult OCInit1(OCMode mode, OCTransportFlags serverFlags, OCTransportFlags clientFlags);
58 * This function Initializes the OC Stack. Must be called prior to starting the stack.
60 * @param mode OCMode Host device is client, server, or client-server.
61 * @param serverFlags OCTransportFlags Default server transport flags.
62 * @param clientFlags OCTransportFlags Default client transport flags.
63 * @param transportType OCTransportAdapter value to initialize.
65 * @return ::OC_STACK_OK on success, some other value upon failure.
67 OCStackResult OCInit2(OCMode mode, OCTransportFlags serverFlags, OCTransportFlags clientFlags,
68 OCTransportAdapter transportType);
71 * This function Initializes the OC Stack. Must be called prior to starting the stack.
73 * @param ipAddr IP Address of host device. Deprecated parameter.
74 * @param port Port of host device. Deprecated parameter.
75 * @param mode OCMode Host device is client, server, or client-server.
77 * @return ::OC_STACK_OK on success, some other value upon failure.
79 OCStackResult OCInit(const char *ipAddr, uint16_t port, OCMode mode);
83 * @brief Set Remote Access information for XMPP Client.
84 * @param raInfo [IN] remote access info.
86 * @return ::OC_STACK_OK on success, some other value upon failure.
88 OCStackResult OCSetRAInfo(const OCRAInfo_t *raInfo);
92 * This function Stops the OC stack. Use for a controlled shutdown.
94 * @note: OCStop() performs operations similar to OCStopPresence(), as well as OCDeleteResource() on
95 * all resources this server is hosting. OCDeleteResource() performs operations similar to
96 * OCNotifyAllObservers() to notify all client observers that the respective resource is being
99 * @return ::OC_STACK_OK on success, some other value upon failure.
101 OCStackResult OCStop();
104 * This function starts receiving the multicast traffic. This can be only called
105 * when stack is in OC_STACK_INITIALIZED state but device is not receiving multicast
108 * @return ::OC_STACK_OK on success, some other value upon failure.
110 OCStackResult OCStartMulticastServer();
113 * This function stops receiving the multicast traffic. The rest of the stack
114 * keeps working and no resource are deleted. Device can still receive the unicast
115 * traffic. Once this is set, no response to multicast /oic/res will be sent by the
116 * device. This is to be used for devices that uses other entity to push resources.
118 * @return ::OC_STACK_OK on success, some other value upon failure.
120 OCStackResult OCStopMulticastServer();
123 * This function is Called in main loop of OC client or server.
124 * Allows low-level processing of stack services.
126 * @return ::OC_STACK_OK on success, some other value upon failure.
128 OCStackResult OCProcess();
131 * This function discovers or Perform requests on a specified resource
132 * (specified by that Resource's respective URI).
134 * @deprecated: Use OCDoRequest instead which does not free given payload.
136 * @param handle To refer to the request sent out on behalf of
137 * calling this API. This handle can be used to cancel this operation
138 * via the OCCancel API.
139 * @note: This reference is handled internally, and should not be free'd by
140 * the consumer. A NULL handle is permitted in the event where the caller
141 * has no use for the return value.
142 * @param method To perform on the resource.
143 * @param requestUri URI of the resource to interact with. (Address prefix is deprecated in
144 * favor of destination.)
145 * @param destination Complete description of destination.
146 * @param payload Encoded request payload,
147 * OCDoResource will free given payload.
148 * @param connectivityType Modifier flags when destination is not given.
149 * @param qos Quality of service. Note that if this API is called on a uri with the
150 * well-known multicast IP address, the qos will be forced to ::OC_LOW_QOS
151 * since it is impractical to send other QOS levels on such addresses.
152 * @param cbData Asynchronous callback function that is invoked by the stack when
153 * discovery or resource interaction is received. The discovery could be
154 * related to filtered/scoped/particular resource. The callback is
155 * generated for each response received.
156 * @param options The address of an array containing the vendor specific header options
157 * to be sent with the request.
158 * @param numOptions Number of header options to be included.
160 * @note: Presence subscription amendments (i.e. adding additional resource type filters by calling
161 * this API again) require the use of the same base URI as the original request to successfully
162 * amend the presence filters.
164 * @return ::OC_STACK_OK on success, some other value upon failure.
166 OCStackResult OCDoResource(OCDoHandle *handle,
168 const char *requestUri,
169 const OCDevAddr *destination,
171 OCConnectivityType connectivityType,
172 OCQualityOfService qos,
173 OCCallbackData *cbData,
174 OCHeaderOption *options,
178 * This function discovers or Perform requests on a specified resource
179 * (specified by that Resource's respective URI).
181 * @param handle To refer to the request sent out on behalf of
182 * calling this API. This handle can be used to cancel this operation
183 * via the OCCancel API.
184 * @note: This reference is handled internally, and should not be free'd by
185 * the consumer. A NULL handle is permitted in the event where the caller
186 * has no use for the return value.
187 * @param method To perform on the resource.
188 * @param requestUri URI of the resource to interact with. (Address prefix is deprecated in
189 * favor of destination.)
190 * @param destination Complete description of destination.
191 * @param payload Encoded request payload.
192 * OCDoRequest does not free given payload.
193 * @param connectivityType Modifier flags when destination is not given.
194 * @param qos Quality of service. Note that if this API is called on a uri with the
195 * well-known multicast IP address, the qos will be forced to ::OC_LOW_QOS
196 * since it is impractical to send other QOS levels on such addresses.
197 * @param cbData Asynchronous callback function that is invoked by the stack when
198 * discovery or resource interaction is received. The discovery could be
199 * related to filtered/scoped/particular resource. The callback is
200 * generated for each response received.
201 * @param options The address of an array containing the vendor specific header options
202 * to be sent with the request.
203 * @param numOptions Number of header options to be included.
205 * @note: Presence subscription amendments (i.e. adding additional resource type filters by calling
206 * this API again) require the use of the same base URI as the original request to successfully
207 * amend the presence filters.
209 * @return ::OC_STACK_OK on success, some other value upon failure.
211 OCStackResult OCDoRequest(OCDoHandle *handle,
213 const char *requestUri,
214 const OCDevAddr *destination,
216 OCConnectivityType connectivityType,
217 OCQualityOfService qos,
218 OCCallbackData *cbData,
219 OCHeaderOption *options,
223 * This function cancels a request associated with a specific @ref OCDoResource invocation.
225 * @param handle Used to identify a specific OCDoResource invocation.
226 * @param qos Used to specify Quality of Service(read below).
227 * @param options Used to specify vendor specific header options when sending
228 * explicit observe cancellation.
229 * @param numOptions Number of header options to be included.
231 * @return ::OC_STACK_OK on success, some other value upon failure.
233 OCStackResult OCCancel(OCDoHandle handle,
234 OCQualityOfService qos,
235 OCHeaderOption * options,
239 * Register Persistent storage callback.
240 * @param persistentStorageHandler Pointers to open, read, write, close & unlink handlers.
243 * OC_STACK_OK No errors; Success.
244 * OC_STACK_INVALID_PARAM Invalid parameter.
246 OCStackResult OCRegisterPersistentStorageHandler(OCPersistentStorage* persistentStorageHandler);
250 * When operating in OCServer or OCClientServer mode,
251 * this API will start sending out presence notifications to clients via multicast.
252 * Once this API has been called with a success, clients may query for this server's presence and
253 * this server's stack will respond via multicast.
255 * Server can call this function when it comes online for the first time, or when it comes back
256 * online from offline mode, or when it re enters network.
258 * @param ttl Time To Live in seconds.
259 * @note: If ttl is '0', then the default stack value will be used (60 Seconds).
260 * If ttl is greater than ::OC_MAX_PRESENCE_TTL_SECONDS, then the ttl will be
261 * set to ::OC_MAX_PRESENCE_TTL_SECONDS.
263 * @return ::OC_STACK_OK on success, some other value upon failure.
265 OCStackResult OCStartPresence(const uint32_t ttl);
268 * When operating in OCServer or OCClientServer mode, this API will stop sending
269 * out presence notifications to clients via multicast.
270 * Once this API has been called with a success this server's stack will not respond to clients
271 * querying for this server's presence.
273 * Server can call this function when it is terminating, going offline, or when going
276 * @return ::OC_STACK_OK on success, some other value upon failure.
279 OCStackResult OCStopPresence();
280 #endif // WITH_PRESENCE
284 * This function sets default device entity handler.
286 * @param entityHandler Entity handler function that is called by ocstack to handle requests
287 * for any undefined resources or default actions.If NULL is passed it
288 * removes the device default entity handler.
289 * @param callbackParameter Parameter passed back when entityHandler is called.
291 * @return ::OC_STACK_OK on success, some other value upon failure.
293 OCStackResult OCSetDefaultDeviceEntityHandler(OCDeviceEntityHandler entityHandler, void* callbackParameter);
296 * This function sets device information.
298 * Upon call to OCInit, the default Device Type (i.e. "rt") has already been set to the default
299 * Device Type "oic.wk.d". You do not have to specify "oic.wk.d" in the OCDeviceInfo.types linked
300 * list. The default Device Type is mandatory and always specified by this Device as the first
303 * @param deviceInfo Structure passed by the server application containing the device
307 * ::OC_STACK_OK no errors.
308 * ::OC_STACK_INVALID_PARAM invalid parameter.
309 * ::OC_STACK_ERROR stack process error.
311 OCStackResult OCSetDeviceInfo(OCDeviceInfo deviceInfo);
314 * This function sets platform information.
316 * @param platformInfo Structure passed by the server application containing
317 * the platform information.
321 * ::OC_STACK_OK no errors.
322 * ::OC_STACK_INVALID_PARAM invalid parameter.
323 * ::OC_STACK_ERROR stack process error.
325 OCStackResult OCSetPlatformInfo(OCPlatformInfo platformInfo);
328 * This function creates a resource.
330 * @param handle Pointer to handle to newly created resource. Set by ocstack and
331 * used to refer to resource.
332 * @param resourceTypeName Name of resource type. Example: "core.led".
333 * @param resourceInterfaceName Name of resource interface. Example: "core.rw".
334 * @param uri URI of the resource. Example: "/a/led".
335 * @param entityHandler Entity handler function that is called by ocstack to handle
337 * NULL for default entity handler.
338 * @param callbackParam parameter passed back when entityHandler is called.
339 * @param resourceProperties Properties supported by resource.
340 * Example: ::OC_DISCOVERABLE|::OC_OBSERVABLE.
342 * @return ::OC_STACK_OK on success, some other value upon failure.
344 OCStackResult OCCreateResource(OCResourceHandle *handle,
345 const char *resourceTypeName,
346 const char *resourceInterfaceName,
348 OCEntityHandler entityHandler,
350 uint8_t resourceProperties);
353 * This function adds a resource to a collection resource.
355 * @param collectionHandle Handle to the collection resource.
356 * @param resourceHandle Handle to resource to be added to the collection resource.
358 * @return ::OC_STACK_OK on success, some other value upon failure.
360 OCStackResult OCBindResource(OCResourceHandle collectionHandle, OCResourceHandle resourceHandle);
363 * This function removes a resource from a collection resource.
365 * @param collectionHandle Handle to the collection resource.
366 * @param resourceHandle Handle to resource to be removed from the collection resource.
368 * @return ::OC_STACK_OK on success, some other value upon failure.
370 OCStackResult OCUnBindResource(OCResourceHandle collectionHandle, OCResourceHandle resourceHandle);
373 * This function binds a resource type to a resource.
375 * @param handle Handle to the resource.
376 * @param resourceTypeName Name of resource type. Example: "core.led".
378 * @return ::OC_STACK_OK on success, some other value upon failure.
380 OCStackResult OCBindResourceTypeToResource(OCResourceHandle handle,
381 const char *resourceTypeName);
383 * This function binds a resource interface to a resource.
385 * @param handle Handle to the resource.
386 * @param resourceInterfaceName Name of resource interface. Example: "core.rw".
388 * @return ::OC_STACK_OK on success, some other value upon failure.
390 OCStackResult OCBindResourceInterfaceToResource(OCResourceHandle handle,
391 const char *resourceInterfaceName);
394 * This function binds an entity handler to the resource.
396 * @param handle Handle to the resource that the contained resource is to be bound.
397 * @param entityHandler Entity handler function that is called by ocstack to handle requests.
398 * @param callbackParameter Context parameter that will be passed to entityHandler.
400 * @return ::OC_STACK_OK on success, some other value upon failure.
402 OCStackResult OCBindResourceHandler(OCResourceHandle handle,
403 OCEntityHandler entityHandler,
404 void *callbackParameter);
407 * This function gets the number of resources that have been created in the stack.
409 * @param numResources Pointer to count variable.
411 * @return ::OC_STACK_OK on success, some other value upon failure.
413 OCStackResult OCGetNumberOfResources(uint8_t *numResources);
416 * This function gets a resource handle by index.
418 * @param index Index of resource, 0 to Count - 1.
420 * @return Found resource handle or NULL if not found.
422 OCResourceHandle OCGetResourceHandle(uint8_t index);
425 * This function deletes resource specified by handle. Deletes resource and all
426 * resource type and resource interface linked lists.
428 * @note: OCDeleteResource() performs operations similar to OCNotifyAllObservers() to notify all
429 * client observers that "this" resource is being deleted.
431 * @param handle Handle of resource to be deleted.
433 * @return ::OC_STACK_OK on success, some other value upon failure.
435 OCStackResult OCDeleteResource(OCResourceHandle handle);
438 * Get a string representation the server instance ID.
439 * The memory is managed internal to this function, so freeing externally will result
440 * in a runtime error.
441 * Note: This will NOT seed the RNG, so it must be called after the RNG is seeded.
442 * This is done automatically during the OCInit process,
443 * so ensure that this call is done after that.
445 * @return A string representation the server instance ID.
447 const char* OCGetServerInstanceIDString(void);
450 * This function gets the URI of the resource specified by handle.
452 * @param handle Handle of resource.
454 * @return URI string if resource found or NULL if not found.
456 const char *OCGetResourceUri(OCResourceHandle handle);
459 * This function gets the properties of the resource specified by handle.
461 * @param handle Handle of resource.
463 * @return OCResourceProperty Bitmask or -1 if resource is not found.
465 * @note that after a resource is created, the OC_ACTIVE property is set for the resource by the
468 OCResourceProperty OCGetResourceProperties(OCResourceHandle handle);
471 * This function gets the number of resource types of the resource.
473 * @param handle Handle of resource.
474 * @param numResourceTypes Pointer to count variable.
476 * @return ::OC_STACK_OK on success, some other value upon failure.
478 OCStackResult OCGetNumberOfResourceTypes(OCResourceHandle handle, uint8_t *numResourceTypes);
481 * This function gets name of resource type of the resource.
483 * @param handle Handle of resource.
484 * @param index Index of resource, 0 to Count - 1.
486 * @return Resource type name if resource found or NULL if resource not found.
488 const char *OCGetResourceTypeName(OCResourceHandle handle, uint8_t index);
491 * This function gets the number of resource interfaces of the resource.
493 * @param handle Handle of resource.
494 * @param numResourceInterfaces Pointer to count variable.
496 * @return ::OC_STACK_OK on success, some other value upon failure.
498 OCStackResult OCGetNumberOfResourceInterfaces(OCResourceHandle handle,
499 uint8_t *numResourceInterfaces);
502 * This function gets name of resource interface of the resource.
504 * @param handle Handle of resource.
505 * @param index Index of resource, 0 to Count - 1.
507 * @return Resource interface name if resource found or NULL if resource not found.
509 const char *OCGetResourceInterfaceName(OCResourceHandle handle, uint8_t index);
512 * This function gets methods of resource interface of the resource.
514 * @param handle Handle of resource.
515 * @param index Index of resource, 0 to Count - 1.
517 * @return Allowed methods if resource found or NULL if resource not found.
519 uint8_t OCGetResourceInterfaceAllowedMethods(OCResourceHandle handle, uint8_t index);
522 * This function gets resource handle from the collection resource by index.
524 * @param collectionHandle Handle of collection resource.
525 * @param index Index of contained resource, 0 to Count - 1.
527 * @return Handle to contained resource if resource found or NULL if resource not found.
529 OCResourceHandle OCGetResourceHandleFromCollection(OCResourceHandle collectionHandle,
533 * This function gets the entity handler for a resource.
535 * @param handle Handle of resource.
537 * @return Entity handler if resource found or NULL resource not found.
539 OCEntityHandler OCGetResourceHandler(OCResourceHandle handle);
542 * This function notify all registered observers that the resource representation has
543 * changed. If observation includes a query the client is notified only if the query is valid after
544 * the resource representation has changed.
546 * @param handle Handle of resource.
547 * @param qos Desired quality of service for the observation notifications.
549 * @return ::OC_STACK_OK on success, some other value upon failure.
551 OCStackResult OCNotifyAllObservers(OCResourceHandle handle, OCQualityOfService qos);
554 * Notify specific observers with updated value of representation.
555 * Before this API is invoked by entity handler it has finished processing
556 * queries for the associated observers.
558 * @param handle Handle of resource.
559 * @param obsIdList List of observation IDs that need to be notified.
560 * @param numberOfIds Number of observation IDs included in obsIdList.
561 * @param payload Object representing the notification
562 * @param qos Desired quality of service of the observation notifications.
564 * @note: The memory for obsIdList and payload is managed by the entity invoking the API.
565 * The maximum size of the notification is 1015 bytes for non-Arduino platforms. For Arduino
566 * the maximum size is 247 bytes.
568 * @return ::OC_STACK_OK on success, some other value upon failure.
571 OCNotifyListOfObservers (OCResourceHandle handle,
572 OCObservationId *obsIdList,
574 const OCRepPayload *payload,
575 OCQualityOfService qos);
579 * This function sends a response to a request.
580 * The response can be a normal, slow, or block (i.e. a response that
581 * is too large to be sent in a single PDU and must span multiple transmissions).
583 * @param response Pointer to structure that contains response parameters.
585 * @return ::OC_STACK_OK on success, some other value upon failure.
587 OCStackResult OCDoResponse(OCEntityHandlerResponse *response);
589 //#ifdef DIRECT_PAIRING
591 * The function is responsible for discovery of direct-pairing device is current subnet. It will list
592 * all the device in subnet which support direct-pairing.
593 * Caller must NOT free returned constant pointer
595 * @param[in] timeout Timeout in seconds, value till which function will listen to responses from
596 * client before returning the list of devices.
597 * @return OCDirectPairingDev_t pointer in case of success and NULL otherwise.
599 const OCDPDev_t* OCDiscoverDirectPairingDevices(unsigned short waittime);
602 * The function is responsible for return of paired device list via direct-pairing. It will list
603 * all the device which is previousely paired with client.
604 * Caller must NOT free returned constant pointer
606 * @return OCDirectPairingDev_t pointer in case of success and NULL otherwise.
608 const OCDPDev_t* OCGetDirectPairedDevices();
611 * The function is responsible for establishment of direct-pairing. It will proceed mode negotiation
612 * and connect PIN based dtls session.
614 * @param[in] peer Target device to establish direct-pairing.
615 * @param[in] pmSel Selected mode of pairing.
616 * @param[in] pinNumber PIN number for authentication, pin lenght is defined DP_PIN_LENGTH(8).
617 * @param[in] resultCallback Callback fucntion to event status of process.
618 * @return OTM_SUCCESS in case of success and other value otherwise.
620 OCStackResult OCDoDirectPairing(void *ctx, OCDPDev_t* peer, OCPrm_t pmSel, char *pinNumber,
621 OCDirectPairingCB resultCallback);
625 * This function sets uri being used for proxy.
627 * @param uri NULL terminated resource uri for CoAP-HTTP Proxy.
629 OCStackResult OCSetProxyURI(const char *uri);
632 #if defined(RD_CLIENT) || defined(RD_SERVER)
634 * This function binds an resource unique id to the resource.
636 * @param handle Handle to the resource that the contained resource is to be bound.
637 * @param ins Unique ID for resource.
639 * @return ::OC_STACK_OK on success, some other value upon failure.
641 OCStackResult OCBindResourceInsToResource(OCResourceHandle handle, int64_t ins);
644 * This function gets the resource unique id for a resource.
646 * @param handle Handle of resource.
647 * @param ins Unique ID for resource.
649 * @return Ins if resource found or 0 resource not found.
651 OCStackResult OCGetResourceIns(OCResourceHandle handle, int64_t *ins);
656 * This function gets a resource handle by resource uri.
658 * @param uri Uri of Resource to get Resource handle.
660 * @return Found resource handle or NULL if not found.
662 OCResourceHandle OCGetResourceHandleAtUri(const char *uri);
667 * Search the RD database for queries.
669 * @param interfaceType is the interface type that is queried.
670 * @param resourceType is the resource type that is queried.
671 * @param discPayload is NULL if no resource found or else OCDiscoveryPayload with the details
672 * about the resource.
674 * @return ::OC_STACK_OK in case of success or else other value.
676 OCStackResult OCRDDatabaseCheckResources(const char *interfaceType, const char *resourceType,
677 OCDiscoveryPayload *discPayload);
679 //#endif // DIRECT_PAIRING
682 * Add a header option to the given header option array.
684 * @param ocHdrOpt Pointer to existing options.
685 * @param numOptions Number of existing options.
686 * @param optionID COAP option ID.
687 * @param optionData Option data value.
688 * @param optionDataLength Size of Option data value.
690 * @return ::OC_STACK_OK on success and other value otherwise.
693 OCSetHeaderOption(OCHeaderOption* ocHdrOpt,
696 const void* optionData,
697 size_t optionDataLength);
700 * Get data value of the option with specified option ID from given header option array.
702 * @param ocHdrOpt Pointer to existing options.
703 * @param numOptions Number of existing options.
704 * @param optionID COAP option ID.
705 * @param optionData Pointer to option data.
706 * @param optionDataLength Size of option data value.
707 * @param receivedDatalLength Pointer to the actual length of received data.
709 * @return ::OC_STACK_OK on success and other value otherwise.
712 OCGetHeaderOption(OCHeaderOption* ocHdrOpt,
716 size_t optionDataLength,
717 uint16_t* receivedDatalLength);
720 * gets the deviceId of the client
722 * @param deviceId pointer.
723 * @return Returns ::OC_STACK_OK if success.
725 OCStackResult OCGetDeviceId(OCUUIdentity *deviceId);
728 * sets the deviceId of the client
730 * @param deviceId pointer.
731 * @return Returns ::OC_STACK_OK if success.
733 OCStackResult OCSetDeviceId(const OCUUIdentity *deviceId);
736 * Gets the bool state of "isOwned" property on the doxm resource.
738 * @param isOwned a pointer to be assigned to isOwned property
739 * @return Returns ::OC_STACK_OK if success.
741 OCStackResult OCGetDeviceOwnedState(bool *isOwned);
744 * Encode an address string to match RFC 6874.
746 * @param outputAddress a char array to be written with the encoded string.
748 * @param outputSize size of outputAddress buffer.
750 * @param inputAddress a char array of size <= CA_MAX_URI_LENGTH
751 * containing a valid IPv6 address string.
753 * @return ::OC_STACK_OK on success and other value otherwise.
755 OCStackResult OCEncodeAddressForRFC6874(char* outputAddress,
757 const char* inputAddress);
760 * Decode an address string according to RFC 6874.
762 * @param outputAddress a char array to be written with the decoded string.
764 * @param outputSize size of outputAddress buffer.
766 * @param inputAddress a valid percent-encoded address string.
768 * @param end NULL if the entire entire inputAddress is a null-terminated percent-
769 * encoded address string. Otherwise, a pointer to the first byte that
770 * is not part of the address string (e.g., ']' in a URI).
772 * @return ::OC_STACK_OK on success and other value otherwise.
774 OCStackResult OCDecodeAddressForRFC6874(char* outputAddress,
776 const char* inputAddress,
780 * Set the value of /oic/d and /oic/p properties. This function is a generic function that sets for
781 * all OCF defined properties.
783 * @param type the payload type for device and platform as defined in @ref OCPayloadType.
784 * @param propName the pre-defined property as per OCF spec.
785 * @param value the value of the property to be set.
787 * @return ::OC_STACK_OK on success and other value otherwise.
789 OCStackResult OCSetPropertyValue(OCPayloadType type, const char *propName, const void *value);
792 * Get the value of /oic/d and /oic/p properties. This function is a generic function that get value
793 * for all OCF defined properties.
795 * @param type the payload type for device and platform as defined in @ref OCPayloadType.
796 * @param propName the pre-defined as per OCF spec.
797 * @param value this holds the return value. In case of error will be set to NULL.
799 * @return ::OC_STACK_OK on success and other value otherwise.
801 OCStackResult OCGetPropertyValue(OCPayloadType type, const char *propName, void **value);
804 * Delete client callback info all.
806 void OCClearCallBackList();
809 * Delete observer info all.
811 void OCClearObserverlist();
814 * API to encrypt the un-encrypted DB file before OCRegisterPersistentStorageHandler
815 * If the API is successful, un-encrypted file will be removed, and if the encrypted file
816 * is currupted, then it restores encrypted file using rescue file.
818 * @param[in] key key used for encryption
819 * @param[in] psPlain OCPersistentStorage for the plain DB
820 * @param[in] psEnc OCPersistentStorage for the encrypted DB
821 * @param[in] psRescue OCPersistentStorage for the rescue DB
823 * @return ::OC_STACK_OK on success and other value otherwise.
825 OCStackResult OCSetSecurePSI(const unsigned char *key, const OCPersistentStorage *psPlain,
826 const OCPersistentStorage *psEnc, const OCPersistentStorage *psRescue);
829 * Generic Encryption function to encrypt data buffer in pt
830 * and update in ct and len in ct_len. (AES-CBC-HMAC)
832 * @param[in] pt plaintext to be encrypted
833 * @param[in] pt_len length of plaintext
834 * @param[out] ct ciphered text
835 * @param[out] ct_len is length of the ciphered text.
837 * @return ::0 for Success.
839 int OCEncrypt(const unsigned char *pt, size_t pt_len,
840 unsigned char **ct, size_t *ct_len);
843 * Generic Decryption fucntion to decrypt data buffer in ct
844 * and update in pt and len in pt_len. (AES-CBC-HMAC)
846 * @param[in] ct ciphered to be decrypted
847 * @param[in] ct_len length of cipher text
848 * @param[out] pt plaintext text
849 * @param[out] pt_len is length of the palintext text.
851 * @return ::0 for Success.
853 int OCDecrypt(const unsigned char *ct, size_t ct_len,
854 unsigned char **pt, size_t *pt_len);
857 * API to set key to psi
859 * @param[in] key key used for encryption
860 * @return ::OC_STACK_OK for Success, otherwise some error value.
862 OCStackResult OCSetKey(const unsigned char* key);
865 * API to get key from psi
867 * @param[out] key key used for encryption
868 * @return ::OC_STACK_OK for Success, otherwise some error value.
870 OCStackResult OCGetKey(unsigned char* key);
873 * API to register OTM event handler
875 * @param[in] ctx user context returned in the callback
876 * @param[in] cb callback function to receive the OTM event on server side
877 * @return ::OC_STACK_OK for Success, otherwise some error value.
879 OCStackResult OCSetOtmEventHandler(void *ctx, OCOtmEventHandler cb);
883 #endif // __cplusplus
885 #endif /* OCSTACK_H_ */