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 //-----------------------------------------------------------------------------
24 //-----------------------------------------------------------------------------
26 // Defining _POSIX_C_SOURCE macro with 200112L (or greater) as value
27 // causes header files to expose definitions
28 // corresponding to the POSIX.1-2001 base
29 // specification (excluding the XSI extension).
30 // For POSIX.1-2001 base specification,
31 // Refer http://pubs.opengroup.org/onlinepubs/009695399/
32 #define _POSIX_C_SOURCE 200112L
37 #include "ocstackinternal.h"
38 #include "ocresourcehandler.h"
39 #include "occlientcb.h"
40 #include "ocobserve.h"
42 #include "oic_malloc.h"
43 #include "oic_string.h"
44 #include "ocserverrequest.h"
45 #include "secureresourcemanager.h"
47 #include "cainterface.h"
48 #include "ocpayload.h"
49 #include "ocpayloadcbor.h"
56 #include "coap_time.h"
61 #include <arpa/inet.h>
65 #define UINT32_MAX (0xFFFFFFFFUL)
68 //-----------------------------------------------------------------------------
70 //-----------------------------------------------------------------------------
73 OC_STACK_UNINITIALIZED = 0,
75 OC_STACK_UNINIT_IN_PROGRESS
81 OC_PRESENCE_UNINITIALIZED = 0,
82 OC_PRESENCE_INITIALIZED
86 //-----------------------------------------------------------------------------
88 //-----------------------------------------------------------------------------
89 static OCStackState stackState = OC_STACK_UNINITIALIZED;
91 OCResource *headResource = NULL;
92 static OCResource *tailResource = NULL;
94 static OCPresenceState presenceState = OC_PRESENCE_UNINITIALIZED;
95 static PresenceResource presenceResource;
96 static uint8_t PresenceTimeOutSize = 0;
97 static uint32_t PresenceTimeOut[] = {50, 75, 85, 95, 100};
100 static OCMode myStackMode;
102 //TODO: revisit this design
103 static bool gRASetInfo = false;
105 OCDeviceEntityHandler defaultDeviceHandler;
106 void* defaultDeviceHandlerCallbackParameter = NULL;
108 //-----------------------------------------------------------------------------
110 //-----------------------------------------------------------------------------
111 #define TAG PCF("OCStack")
112 #define VERIFY_SUCCESS(op, successCode) { if ((op) != (successCode)) \
113 {OC_LOG_V(FATAL, TAG, "%s failed!!", #op); goto exit;} }
114 #define VERIFY_NON_NULL(arg, logLevel, retVal) { if (!(arg)) { OC_LOG((logLevel), \
115 TAG, PCF(#arg " is NULL")); return (retVal); } }
116 #define VERIFY_NON_NULL_NR(arg, logLevel) { if (!(arg)) { OC_LOG((logLevel), \
117 TAG, PCF(#arg " is NULL")); return; } }
118 #define VERIFY_NON_NULL_V(arg) { if (!arg) {OC_LOG_V(FATAL, TAG, "%s is NULL", #arg);\
121 //TODO: we should allow the server to define this
122 #define MAX_OBSERVE_AGE (0x2FFFFUL)
124 #define MILLISECONDS_PER_SECOND (1000)
126 //-----------------------------------------------------------------------------
127 // Private internal function prototypes
128 //-----------------------------------------------------------------------------
131 * Generate handle of OCDoResource invocation for callback management.
133 * @return Generated OCDoResource handle.
135 static OCDoHandle GenerateInvocationHandle();
138 * Initialize resource data structures, variables, etc.
140 * @return ::OC_STACK_OK on success, some other value upon failure.
142 static OCStackResult initResources();
145 * Add a resource to the end of the linked list of resources.
147 * @param resource Resource to be added
149 static void insertResource(OCResource *resource);
152 * Find a resource in the linked list of resources.
154 * @param resource Resource to be found.
155 * @return Pointer to resource that was found in the linked list or NULL if the resource was not
158 static OCResource *findResource(OCResource *resource);
161 * Insert a resource type into a resource's resource type linked list.
162 * If resource type already exists, it will not be inserted and the
163 * resourceType will be free'd.
164 * resourceType->next should be null to avoid memory leaks.
165 * Function returns silently for null args.
167 * @param resource Resource where resource type is to be inserted.
168 * @param resourceType Resource type to be inserted.
170 static void insertResourceType(OCResource *resource,
171 OCResourceType *resourceType);
174 * Get a resource type at the specified index within a resource.
176 * @param handle Handle of resource.
177 * @param index Index of resource type.
179 * @return Pointer to resource type if found, NULL otherwise.
181 static OCResourceType *findResourceTypeAtIndex(OCResourceHandle handle,
185 * Insert a resource interface into a resource's resource interface linked list.
186 * If resource interface already exists, it will not be inserted and the
187 * resourceInterface will be free'd.
188 * resourceInterface->next should be null to avoid memory leaks.
190 * @param resource Resource where resource interface is to be inserted.
191 * @param resourceInterface Resource interface to be inserted.
193 static void insertResourceInterface(OCResource *resource,
194 OCResourceInterface *resourceInterface);
197 * Get a resource interface at the specified index within a resource.
199 * @param handle Handle of resource.
200 * @param index Index of resource interface.
202 * @return Pointer to resource interface if found, NULL otherwise.
204 static OCResourceInterface *findResourceInterfaceAtIndex(
205 OCResourceHandle handle, uint8_t index);
208 * Delete all of the dynamically allocated elements that were created for the resource type.
210 * @param resourceType Specified resource type.
212 static void deleteResourceType(OCResourceType *resourceType);
215 * Delete all of the dynamically allocated elements that were created for the resource interface.
217 * @param resourceInterface Specified resource interface.
219 static void deleteResourceInterface(OCResourceInterface *resourceInterface);
222 * Delete all of the dynamically allocated elements that were created for the resource.
224 * @param resource Specified resource.
226 static void deleteResourceElements(OCResource *resource);
229 * Delete resource specified by handle. Deletes resource and all resourcetype and resourceinterface
232 * @param handle Handle of resource to be deleted.
234 * @return ::OC_STACK_OK on success, some other value upon failure.
236 static OCStackResult deleteResource(OCResource *resource);
239 * Delete all of the resources in the resource list.
241 static void deleteAllResources();
244 * Increment resource sequence number. Handles rollover.
246 * @param resPtr Pointer to resource.
248 static void incrementSequenceNumber(OCResource * resPtr);
251 * Verify the lengths of the URI and the query separately.
253 * @param inputUri Input URI and query.
254 * @param uriLen The length of the initial URI with query.
255 * @return ::OC_STACK_OK on success, some other value upon failure.
257 static OCStackResult verifyUriQueryLength(const char * inputUri,
261 * Attempts to initialize every network interface that the CA Layer might have compiled in.
263 * Note: At least one interface must succeed to initialize. If all calls to @ref CASelectNetwork
264 * return something other than @ref CA_STATUS_OK, then this function fails.
266 * @return ::CA_STATUS_OK on success, some other value upon failure.
268 static CAResult_t OCSelectNetwork();
271 * Get the CoAP ticks after the specified number of milli-seconds.
273 * @param afterMilliSeconds Milli-seconds.
277 static uint32_t GetTicks(uint32_t afterMilliSeconds);
280 * Convert CAResponseResult_t to OCStackResult.
282 * @param caCode CAResponseResult_t code.
283 * @return ::OC_STACK_OK on success, some other value upon failure.
285 static OCStackResult CAToOCStackResult(CAResponseResult_t caCode);
288 * Convert OCStackResult to CAResponseResult_t.
290 * @param caCode OCStackResult code.
291 * @return ::CA_SUCCESS on success, some other value upon failure.
293 static CAResponseResult_t OCToCAStackResult(OCStackResult ocCode);
296 * Convert OCTransportFlags_t to CATransportModifiers_t.
298 * @param ocConType OCTransportFlags_t input.
299 * @return CATransportFlags
301 static CATransportFlags_t OCToCATransportFlags(OCTransportFlags ocConType);
304 * Convert CATransportFlags_t to OCTransportModifiers_t.
306 * @param caConType CATransportFlags_t input.
307 * @return OCTransportFlags
309 static OCTransportFlags CAToOCTransportFlags(CATransportFlags_t caConType);
312 * Handle response from presence request.
314 * @param endPoint CA remote endpoint.
315 * @param responseInfo CA response info.
316 * @return ::OC_STACK_OK on success, some other value upon failure.
318 static OCStackResult HandlePresenceResponse(const CAEndpoint_t *endPoint,
319 const CAResponseInfo_t *responseInfo);
322 * This function will be called back by CA layer when a response is received.
324 * @param endPoint CA remote endpoint.
325 * @param responseInfo CA response info.
327 static void HandleCAResponses(const CAEndpoint_t* endPoint,
328 const CAResponseInfo_t* responseInfo);
331 * This function will be called back by CA layer when a request is received.
333 * @param endPoint CA remote endpoint.
334 * @param requestInfo CA request info.
336 static void HandleCARequests(const CAEndpoint_t* endPoint,
337 const CARequestInfo_t* requestInfo);
340 * Extract query from a URI.
342 * @param uri Full URI with query.
343 * @param query Pointer to string that will contain query.
344 * @param newURI Pointer to string that will contain URI.
345 * @return ::OC_STACK_OK on success, some other value upon failure.
347 static OCStackResult getQueryFromUri(const char * uri, char** resourceType, char ** newURI);
350 * Finds a resource type in an OCResourceType link-list.
352 * @param resourceTypeList The link-list to be searched through.
353 * @param resourceTypeName The key to search for.
355 * @return Resource type that matches the key (ie. resourceTypeName) or
356 * NULL if there is either an invalid parameter or this function was unable to find the key.
358 static OCResourceType *findResourceType(OCResourceType * resourceTypeList,
359 const char * resourceTypeName);
362 * Reset presence TTL for a ClientCB struct. ttlLevel will be set to 0.
363 * TTL will be set to maxAge.
365 * @param cbNode Callback Node for which presence ttl is to be reset.
366 * @param maxAge New value of ttl in seconds.
368 * @return ::OC_STACK_OK on success, some other value upon failure.
370 static OCStackResult ResetPresenceTTL(ClientCB *cbNode, uint32_t maxAgeSeconds);
372 //-----------------------------------------------------------------------------
373 // Internal functions
374 //-----------------------------------------------------------------------------
376 uint32_t GetTicks(uint32_t afterMilliSeconds)
381 // Guard against overflow of uint32_t
382 if (afterMilliSeconds <= ((UINT32_MAX - (uint32_t)now) * MILLISECONDS_PER_SECOND) /
383 COAP_TICKS_PER_SECOND)
385 return now + (afterMilliSeconds * COAP_TICKS_PER_SECOND)/MILLISECONDS_PER_SECOND;
393 void CopyEndpointToDevAddr(const CAEndpoint_t *in, OCDevAddr *out)
395 VERIFY_NON_NULL_NR(in, FATAL);
396 VERIFY_NON_NULL_NR(out, FATAL);
398 out->adapter = (OCTransportAdapter)in->adapter;
399 out->flags = CAToOCTransportFlags(in->flags);
400 strncpy(out->addr, in->addr, MAX_ADDR_STR_SIZE);
401 out->addr[MAX_ADDR_STR_SIZE - 1] = '\0';
402 out->port = in->port;
405 void CopyDevAddrToEndpoint(const OCDevAddr *in, CAEndpoint_t *out)
407 VERIFY_NON_NULL_NR(in, FATAL);
408 VERIFY_NON_NULL_NR(out, FATAL);
410 out->adapter = (CATransportAdapter_t)in->adapter;
411 out->flags = OCToCATransportFlags(in->flags);
412 strncpy(out->addr, in->addr, MAX_ADDR_STR_SIZE);
413 out->port = in->port;
416 static OCStackResult OCCreateEndpoint(OCDevAddr *devAddr, CAEndpoint_t **endpoint)
418 VERIFY_NON_NULL(devAddr, FATAL, OC_STACK_INVALID_PARAM);
419 VERIFY_NON_NULL(endpoint, FATAL, OC_STACK_INVALID_PARAM);
421 CAEndpoint_t *ep = (CAEndpoint_t *)OICMalloc(sizeof (CAEndpoint_t));
424 return OC_STACK_NO_MEMORY;
427 ep->adapter = (CATransportAdapter_t)devAddr->adapter;
430 ep->adapter = CA_ADAPTER_IP;
432 ep->flags = OCToCATransportFlags(devAddr->flags);
433 strncpy(ep->addr, devAddr->addr, MAX_ADDR_STR_SIZE_CA);
434 ep->port = devAddr->port;
441 static void OCDestroyEndpoint(CAEndpoint_t *endpoint)
446 void FixUpClientResponse(OCClientResponse *cr)
448 VERIFY_NON_NULL_NR(cr, FATAL);
450 cr->addr = &cr->devAddr;
451 cr->connType = (OCConnectivityType)
452 ((cr->devAddr.adapter << CT_ADAPTER_SHIFT) | (cr->devAddr.flags & CT_MASK_FLAGS));
455 //-----------------------------------------------------------------------------
456 // Internal API function
457 //-----------------------------------------------------------------------------
459 // This internal function is called to update the stack with the status of
460 // observers and communication failures
461 OCStackResult OCStackFeedBack(CAToken_t token, uint8_t tokenLength, uint8_t status)
463 OCStackResult result = OC_STACK_ERROR;
464 ResourceObserver * observer = NULL;
465 OCEntityHandlerRequest ehRequest = {};
469 case OC_OBSERVER_NOT_INTERESTED:
470 OC_LOG(DEBUG, TAG, PCF("observer not interested in our notifications"));
471 observer = GetObserverUsingToken (token, tokenLength);
474 result = FormOCEntityHandlerRequest(&ehRequest,
475 (OCRequestHandle)NULL,
478 (OCResourceHandle)NULL,
479 NULL, NULL, 0, 0, NULL,
480 OC_OBSERVE_DEREGISTER,
481 observer->observeId);
482 if(result != OC_STACK_OK)
486 observer->resource->entityHandler(OC_OBSERVE_FLAG, &ehRequest,
487 observer->resource->entityHandlerCallbackParam);
490 result = DeleteObserverUsingToken (token, tokenLength);
491 if(result == OC_STACK_OK)
493 OC_LOG(DEBUG, TAG, PCF("Removed observer successfully"));
497 result = OC_STACK_OK;
498 OC_LOG(DEBUG, TAG, PCF("Observer Removal failed"));
502 case OC_OBSERVER_STILL_INTERESTED:
503 OC_LOG(DEBUG, TAG, PCF("observer still interested, reset the failedCount"));
504 observer = GetObserverUsingToken (token, tokenLength);
507 observer->forceHighQos = 0;
508 observer->failedCommCount = 0;
509 result = OC_STACK_OK;
513 result = OC_STACK_OBSERVER_NOT_FOUND;
517 case OC_OBSERVER_FAILED_COMM:
518 OC_LOG(DEBUG, TAG, PCF("observer is unreachable"));
519 observer = GetObserverUsingToken (token, tokenLength);
522 if(observer->failedCommCount >= MAX_OBSERVER_FAILED_COMM)
524 result = FormOCEntityHandlerRequest(&ehRequest,
525 (OCRequestHandle)NULL,
528 (OCResourceHandle)NULL,
529 NULL, NULL, 0, 0, NULL,
530 OC_OBSERVE_DEREGISTER,
531 observer->observeId);
532 if(result != OC_STACK_OK)
534 return OC_STACK_ERROR;
536 observer->resource->entityHandler(OC_OBSERVE_FLAG, &ehRequest,
537 observer->resource->entityHandlerCallbackParam);
539 result = DeleteObserverUsingToken (token, tokenLength);
540 if(result == OC_STACK_OK)
542 OC_LOG(DEBUG, TAG, PCF("Removed observer successfully"));
546 result = OC_STACK_OK;
547 OC_LOG(DEBUG, TAG, PCF("Observer Removal failed"));
552 observer->failedCommCount++;
553 result = OC_STACK_CONTINUE;
555 observer->forceHighQos = 1;
556 OC_LOG_V(DEBUG, TAG, "Failed count for this observer is %d",observer->failedCommCount);
560 OC_LOG(ERROR, TAG, PCF("Unknown status"));
561 result = OC_STACK_ERROR;
566 OCStackResult CAToOCStackResult(CAResponseResult_t caCode)
568 OCStackResult ret = OC_STACK_ERROR;
576 ret = OC_STACK_RESOURCE_CREATED;
579 ret = OC_STACK_RESOURCE_DELETED;
582 ret = OC_STACK_INVALID_QUERY;
584 case CA_UNAUTHORIZED_REQ:
585 ret = OC_STACK_UNAUTHORIZED_REQ;
588 ret = OC_STACK_INVALID_OPTION;
591 ret = OC_STACK_NO_RESOURCE;
593 case CA_RETRANSMIT_TIMEOUT:
594 ret = OC_STACK_COMM_ERROR;
602 CAResponseResult_t OCToCAStackResult(OCStackResult ocCode)
604 CAResponseResult_t ret = CA_INTERNAL_SERVER_ERROR;
611 case OC_STACK_RESOURCE_CREATED:
614 case OC_STACK_RESOURCE_DELETED:
617 case OC_STACK_INVALID_QUERY:
620 case OC_STACK_INVALID_OPTION:
623 case OC_STACK_NO_RESOURCE:
626 case OC_STACK_COMM_ERROR:
627 ret = CA_RETRANSMIT_TIMEOUT;
629 case OC_STACK_UNAUTHORIZED_REQ:
630 ret = CA_UNAUTHORIZED_REQ;
638 CATransportFlags_t OCToCATransportFlags(OCTransportFlags ocFlags)
640 CATransportFlags_t caFlags = (CATransportFlags_t)ocFlags;
642 // supply default behavior.
643 if ((caFlags & (CA_IPV6|CA_IPV4)) == 0)
645 caFlags = (CATransportFlags_t)(caFlags|CA_IPV6|CA_IPV4);
647 if ((caFlags & OC_MASK_SCOPE) == 0)
649 caFlags = (CATransportFlags_t)(caFlags|OC_SCOPE_LINK);
654 OCTransportFlags CAToOCTransportFlags(CATransportFlags_t caFlags)
656 return (OCTransportFlags)caFlags;
659 static OCStackResult ResetPresenceTTL(ClientCB *cbNode, uint32_t maxAgeSeconds)
661 uint32_t lowerBound = 0;
662 uint32_t higherBound = 0;
664 if (!cbNode || !cbNode->presence || !cbNode->presence->timeOut)
666 return OC_STACK_INVALID_PARAM;
669 OC_LOG_V(INFO, TAG, "Update presence TTL, time is %u", GetTicks(0));
671 cbNode->presence->TTL = maxAgeSeconds;
673 for(int index = 0; index < PresenceTimeOutSize; index++)
675 // Guard against overflow
676 if (cbNode->presence->TTL < (UINT32_MAX/(MILLISECONDS_PER_SECOND*PresenceTimeOut[index]))
679 lowerBound = GetTicks((PresenceTimeOut[index] *
680 cbNode->presence->TTL *
681 MILLISECONDS_PER_SECOND)/100);
685 lowerBound = GetTicks(UINT32_MAX);
688 if (cbNode->presence->TTL < (UINT32_MAX/(MILLISECONDS_PER_SECOND*PresenceTimeOut[index+1]))
691 higherBound = GetTicks((PresenceTimeOut[index + 1] *
692 cbNode->presence->TTL *
693 MILLISECONDS_PER_SECOND)/100);
697 higherBound = GetTicks(UINT32_MAX);
700 cbNode->presence->timeOut[index] = OCGetRandomRange(lowerBound, higherBound);
702 OC_LOG_V(DEBUG, TAG, "lowerBound timeout %d", lowerBound);
703 OC_LOG_V(DEBUG, TAG, "higherBound timeout %d", higherBound);
704 OC_LOG_V(DEBUG, TAG, "timeOut entry %d", cbNode->presence->timeOut[index]);
707 cbNode->presence->TTLlevel = 0;
709 OC_LOG_V(DEBUG, TAG, "this TTL level %d", cbNode->presence->TTLlevel);
713 const char *convertTriggerEnumToString(OCPresenceTrigger trigger)
715 if (trigger == OC_PRESENCE_TRIGGER_CREATE)
717 return OC_RSRVD_TRIGGER_CREATE;
719 else if (trigger == OC_PRESENCE_TRIGGER_CHANGE)
721 return OC_RSRVD_TRIGGER_CHANGE;
725 return OC_RSRVD_TRIGGER_DELETE;
729 OCPresenceTrigger convertTriggerStringToEnum(const char * triggerStr)
731 if(strcmp(triggerStr, OC_RSRVD_TRIGGER_CREATE) == 0)
733 return OC_PRESENCE_TRIGGER_CREATE;
735 else if(strcmp(triggerStr, OC_RSRVD_TRIGGER_CHANGE) == 0)
737 return OC_PRESENCE_TRIGGER_CHANGE;
741 return OC_PRESENCE_TRIGGER_DELETE;
746 * The cononical presence allows constructed URIs to be string compared.
748 * requestUri must be a char array of size CA_MAX_URI_LENGTH
750 static int FormCanonicalPresenceUri(const CAEndpoint_t *endpoint, char *resourceUri,
753 VERIFY_NON_NULL(endpoint , FATAL, OC_STACK_INVALID_PARAM);
754 VERIFY_NON_NULL(resourceUri, FATAL, OC_STACK_INVALID_PARAM);
755 VERIFY_NON_NULL(presenceUri, FATAL, OC_STACK_INVALID_PARAM);
758 CAEndpoint_t *ep = (CAEndpoint_t *)endpoint;
760 if (ep->adapter == CA_ADAPTER_IP)
762 if ((ep->flags & CA_IPV6) && !(ep->flags & CA_IPV4))
764 if ('\0' == ep->addr[0]) // multicast
766 return snprintf(presenceUri, CA_MAX_URI_LENGTH, OC_RSRVD_PRESENCE_URI);
770 format = "coap://[%s]:%u%s";
775 if ('\0' == ep->addr[0]) // multicast
777 OICStrcpy(ep->addr, sizeof(ep->addr), OC_MULTICAST_IP);
778 ep->port = OC_MULTICAST_PORT;
780 format = "coap://%s:%u%s";
782 return snprintf(presenceUri, CA_MAX_URI_LENGTH, format, ep->addr,
783 ep->port, OC_RSRVD_PRESENCE_URI);
786 // might work for other adapters (untested, but better than nothing)
787 format = "coap://%s%s";
788 return snprintf(presenceUri, CA_MAX_URI_LENGTH, format, ep->addr,
789 OC_RSRVD_PRESENCE_URI);
793 OCStackResult HandlePresenceResponse(const CAEndpoint_t *endpoint,
794 const CAResponseInfo_t *responseInfo)
796 VERIFY_NON_NULL(endpoint, FATAL, OC_STACK_INVALID_PARAM);
797 VERIFY_NON_NULL(responseInfo, FATAL, OC_STACK_INVALID_PARAM);
799 OCStackApplicationResult cbResult = OC_STACK_DELETE_TRANSACTION;
800 ClientCB * cbNode = NULL;
801 char *resourceTypeName = NULL;
802 OCClientResponse response;
803 OCStackResult result = OC_STACK_ERROR;
806 char presenceUri[CA_MAX_URI_LENGTH];
808 int presenceSubscribe = 0;
809 int multicastPresenceSubscribe = 0;
811 if (responseInfo->result != CA_SUCCESS)
813 OC_LOG_V(ERROR, TAG, "HandlePresenceResponse failed %d", responseInfo->result);
814 return OC_STACK_ERROR;
817 // check for unicast presence
818 uriLen = FormCanonicalPresenceUri(endpoint, OC_RSRVD_PRESENCE_URI, presenceUri);
819 if (uriLen < 0 || uriLen >= sizeof (presenceUri))
821 return OC_STACK_INVALID_URI;
824 cbNode = GetClientCB(NULL, 0, NULL, presenceUri);
827 presenceSubscribe = 1;
831 // check for multiicast presence
832 CAEndpoint_t ep = { endpoint->adapter, endpoint->flags };
833 OICStrcpy(ep.addr, sizeof(ep.addr), OC_MULTICAST_IP);
834 ep.port = OC_MULTICAST_PORT;
836 uriLen = FormCanonicalPresenceUri(&ep, OC_RSRVD_PRESENCE_URI, presenceUri);
838 cbNode = GetClientCB(NULL, 0, NULL, presenceUri);
841 multicastPresenceSubscribe = 1;
845 if (!presenceSubscribe && !multicastPresenceSubscribe)
847 OC_LOG(ERROR, TAG, PCF("Received a presence notification, but no callback, ignoring"));
851 response.payload = NULL;
852 response.result = OC_STACK_OK;
854 CopyEndpointToDevAddr(endpoint, &response.devAddr);
855 FixUpClientResponse(&response);
857 if (responseInfo->info.payload)
859 result = OCParsePayload(&response.payload, responseInfo->info.payload,
860 responseInfo->info.payloadSize);
862 if(result != OC_STACK_OK || response.payload->type != PAYLOAD_TYPE_PRESENCE)
864 OC_LOG(ERROR, TAG, PCF("Presence parse failed"));
867 response.sequenceNumber = ((OCPresencePayload*)response.payload)->sequenceNumber;
868 resourceTypeName = ((OCPresencePayload*)response.payload)->resourceType;
869 maxAge = ((OCPresencePayload*)response.payload)->maxAge;
872 if (presenceSubscribe)
874 if(cbNode->sequenceNumber == response.sequenceNumber)
876 OC_LOG(INFO, TAG, PCF("No presence change"));
882 OC_LOG(INFO, TAG, PCF("Stopping presence"));
883 response.result = OC_STACK_PRESENCE_STOPPED;
886 OICFree(cbNode->presence->timeOut);
887 OICFree(cbNode->presence);
888 cbNode->presence = NULL;
893 if(!cbNode->presence)
895 cbNode->presence = (OCPresence *)OICMalloc(sizeof (OCPresence));
897 if(!(cbNode->presence))
899 OC_LOG(ERROR, TAG, PCF("Could not allocate memory for cbNode->presence"));
900 result = OC_STACK_NO_MEMORY;
904 VERIFY_NON_NULL_V(cbNode->presence);
905 cbNode->presence->timeOut = NULL;
906 cbNode->presence->timeOut = (uint32_t *)
907 OICMalloc(PresenceTimeOutSize * sizeof(uint32_t));
908 if(!(cbNode->presence->timeOut)){
910 PCF("Could not allocate memory for cbNode->presence->timeOut"));
911 OICFree(cbNode->presence);
912 result = OC_STACK_NO_MEMORY;
917 ResetPresenceTTL(cbNode, maxAge);
919 cbNode->sequenceNumber = response.sequenceNumber;
921 // Ensure that a filter is actually applied.
922 if( resourceTypeName && cbNode->filterResourceType)
924 if(!findResourceType(cbNode->filterResourceType, resourceTypeName))
933 // This is the multicast case
934 OCMulticastNode* mcNode = NULL;
935 mcNode = GetMCPresenceNode(presenceUri);
939 if(mcNode->nonce == response.sequenceNumber)
941 OC_LOG(INFO, TAG, PCF("No presence change (Multicast)"));
944 mcNode->nonce = response.sequenceNumber;
948 OC_LOG(INFO, TAG, PCF("Stopping presence"));
949 response.result = OC_STACK_PRESENCE_STOPPED;
954 char* uri = OICStrdup(presenceUri);
958 PCF("No Memory for URI to store in the presence node"));
959 result = OC_STACK_NO_MEMORY;
963 result = AddMCPresenceNode(&mcNode, uri, response.sequenceNumber);
964 if(result == OC_STACK_NO_MEMORY)
967 PCF("No Memory for Multicast Presence Node"));
971 // presence node now owns uri
974 // Ensure that a filter is actually applied.
975 if(resourceTypeName && cbNode->filterResourceType)
977 if(!findResourceType(cbNode->filterResourceType, resourceTypeName))
984 cbResult = cbNode->callBack(cbNode->context, cbNode->handle, &response);
986 if (cbResult == OC_STACK_DELETE_TRANSACTION)
988 FindAndDeleteClientCB(cbNode);
992 OICFree(resourceTypeName);
996 void HandleCAResponses(const CAEndpoint_t* endPoint, const CAResponseInfo_t* responseInfo)
998 VERIFY_NON_NULL_NR(endPoint, FATAL);
999 VERIFY_NON_NULL_NR(responseInfo, FATAL);
1001 OC_LOG(INFO, TAG, PCF("Enter HandleCAResponses"));
1003 if(responseInfo->info.resourceUri &&
1004 strcmp(responseInfo->info.resourceUri, OC_RSRVD_PRESENCE_URI) == 0)
1006 HandlePresenceResponse(endPoint, responseInfo);
1010 ClientCB *cbNode = GetClientCB(responseInfo->info.token,
1011 responseInfo->info.tokenLength, NULL, NULL);
1013 ResourceObserver * observer = GetObserverUsingToken (responseInfo->info.token,
1014 responseInfo->info.tokenLength);
1018 OC_LOG(INFO, TAG, PCF("There is a cbNode associated with the response token"));
1019 if(responseInfo->result == CA_EMPTY)
1021 OC_LOG(INFO, TAG, PCF("Receiving A ACK/RESET for this token"));
1022 // We do not have a case for the client to receive a RESET
1023 if(responseInfo->info.type == CA_MSG_ACKNOWLEDGE)
1025 //This is the case of receiving an ACK on a request to a slow resource!
1026 OC_LOG(INFO, TAG, PCF("This is a pure ACK"));
1027 //TODO: should we inform the client
1028 // app that at least the request was received at the server?
1031 else if(responseInfo->result == CA_RETRANSMIT_TIMEOUT)
1033 OC_LOG(INFO, TAG, PCF("Receiving A Timeout for this token"));
1034 OC_LOG(INFO, TAG, PCF("Calling into application address space"));
1036 OCClientResponse response = {};
1037 CopyEndpointToDevAddr(endPoint, &response.devAddr);
1038 FixUpClientResponse(&response);
1039 response.resourceUri = responseInfo->info.resourceUri;
1041 response.result = CAToOCStackResult(responseInfo->result);
1042 cbNode->callBack(cbNode->context,
1043 cbNode->handle, &response);
1044 FindAndDeleteClientCB(cbNode);
1048 OC_LOG(INFO, TAG, PCF("This is a regular response, A client call back is found"));
1049 OC_LOG(INFO, TAG, PCF("Calling into application address space"));
1051 OCClientResponse response = {};
1052 response.sequenceNumber = OC_OBSERVE_NO_OPTION;
1053 CopyEndpointToDevAddr(endPoint, &response.devAddr);
1054 FixUpClientResponse(&response);
1055 response.resourceUri = responseInfo->info.resourceUri;
1057 response.result = CAToOCStackResult(responseInfo->result);
1058 if(responseInfo->info.payload &&
1059 responseInfo->info.payloadSize &&
1060 OC_STACK_OK != OCParsePayload(&response.payload, responseInfo->info.payload,
1061 responseInfo->info.payloadSize))
1063 OC_LOG(ERROR, TAG, PCF("Error converting payload"));
1067 response.numRcvdVendorSpecificHeaderOptions = 0;
1068 if(responseInfo->info.numOptions > 0)
1071 //First option always with option ID is COAP_OPTION_OBSERVE if it is available.
1072 if(responseInfo->info.options[0].optionID == COAP_OPTION_OBSERVE)
1074 memcpy (&(response.sequenceNumber),
1075 &(responseInfo->info.options[0].optionData), sizeof(uint32_t));
1076 response.numRcvdVendorSpecificHeaderOptions = responseInfo->info.numOptions - 1;
1081 response.numRcvdVendorSpecificHeaderOptions = responseInfo->info.numOptions;
1084 if(response.numRcvdVendorSpecificHeaderOptions > MAX_HEADER_OPTIONS)
1086 OC_LOG(ERROR, TAG, PCF("#header options are more than MAX_HEADER_OPTIONS"));
1090 for (uint8_t i = start; i < responseInfo->info.numOptions; i++)
1092 memcpy (&(response.rcvdVendorSpecificHeaderOptions[i-start]),
1093 &(responseInfo->info.options[i]), sizeof(OCHeaderOption));
1097 if (cbNode->method == OC_REST_OBSERVE &&
1098 response.sequenceNumber > OC_OFFSET_SEQUENCE_NUMBER &&
1099 response.sequenceNumber <= cbNode->sequenceNumber)
1101 OC_LOG_V(INFO, TAG, PCF("Received stale notification. Number :%d"),
1102 response.sequenceNumber);
1106 OCStackApplicationResult appFeedback = cbNode->callBack(cbNode->context,
1109 cbNode->sequenceNumber = response.sequenceNumber;
1111 if (appFeedback == OC_STACK_DELETE_TRANSACTION)
1113 FindAndDeleteClientCB(cbNode);
1117 // To keep discovery callbacks active.
1118 cbNode->TTL = GetTicks(MAX_CB_TIMEOUT_SECONDS *
1119 MILLISECONDS_PER_SECOND);
1121 OCPayloadDestroy(response.payload);
1124 //Need to send ACK when the response is CON
1125 if(responseInfo->info.type == CA_MSG_CONFIRM)
1127 SendDirectStackResponse(endPoint, responseInfo->info.messageId, CA_EMPTY,
1128 CA_MSG_ACKNOWLEDGE, 0, NULL, NULL, 0);
1136 OC_LOG(INFO, TAG, PCF("There is an observer associated with the response token"));
1137 if(responseInfo->result == CA_EMPTY)
1139 OC_LOG(INFO, TAG, PCF("Receiving A ACK/RESET for this token"));
1140 if(responseInfo->info.type == CA_MSG_RESET)
1142 OC_LOG(INFO, TAG, PCF("This is a RESET"));
1143 OCStackFeedBack(responseInfo->info.token, responseInfo->info.tokenLength,
1144 OC_OBSERVER_NOT_INTERESTED);
1146 else if(responseInfo->info.type == CA_MSG_ACKNOWLEDGE)
1148 OC_LOG(INFO, TAG, PCF("This is a pure ACK"));
1149 OCStackFeedBack(responseInfo->info.token, responseInfo->info.tokenLength,
1150 OC_OBSERVER_STILL_INTERESTED);
1153 else if(responseInfo->result == CA_RETRANSMIT_TIMEOUT)
1155 OC_LOG(INFO, TAG, PCF("Receiving Time Out for an observer"));
1156 OCStackFeedBack(responseInfo->info.token, responseInfo->info.tokenLength,
1157 OC_OBSERVER_FAILED_COMM);
1162 if(!cbNode && !observer)
1164 if(myStackMode == OC_CLIENT || myStackMode == OC_CLIENT_SERVER)
1166 OC_LOG(INFO, TAG, PCF("This is a client, but no cbNode was found for token"));
1167 if(responseInfo->result == CA_EMPTY)
1169 OC_LOG(INFO, TAG, PCF("Receiving CA_EMPTY in the ocstack"));
1173 OC_LOG(INFO, TAG, PCF("Received a message without callbacks. Sending RESET"));
1174 SendDirectStackResponse(endPoint, responseInfo->info.messageId, CA_EMPTY,
1175 CA_MSG_RESET, 0, NULL, NULL, 0);
1179 if(myStackMode == OC_SERVER || myStackMode == OC_CLIENT_SERVER)
1181 OC_LOG(INFO, TAG, PCF("This is a server, but no observer was found for token"));
1182 if (responseInfo->info.type == CA_MSG_ACKNOWLEDGE)
1184 OC_LOG_V(INFO, TAG, PCF("Received ACK at server for messageId : %d"),
1185 responseInfo->info.messageId);
1187 if (responseInfo->info.type == CA_MSG_RESET)
1189 OC_LOG_V(INFO, TAG, PCF("Received RESET at server for messageId : %d"),
1190 responseInfo->info.messageId);
1196 OC_LOG(INFO, TAG, PCF("Exit HandleCAResponses"));
1200 * This function handles error response from CA
1201 * code shall be added to handle the errors
1203 void HandleCAErrorResponse(const CAEndpoint_t *endPoint, const CAErrorInfo_t *errrorInfo)
1205 OC_LOG(INFO, TAG, PCF("Enter HandleCAErrorResponse"));
1207 if(NULL == endPoint)
1209 OC_LOG(ERROR, TAG, PCF("endPoint is NULL"));
1213 if(NULL == errrorInfo)
1215 OC_LOG(ERROR, TAG, PCF("errrorInfo is NULL"));
1218 OC_LOG(INFO, TAG, PCF("Exit HandleCAErrorResponse"));
1222 * This function sends out Direct Stack Responses. These are responses that are not coming
1223 * from the application entity handler. These responses have no payload and are usually ACKs,
1224 * RESETs or some error conditions that were caught by the stack.
1226 OCStackResult SendDirectStackResponse(const CAEndpoint_t* endPoint, const uint16_t coapID,
1227 const CAResponseResult_t responseResult, const CAMessageType_t type,
1228 const uint8_t numOptions, const CAHeaderOption_t *options,
1229 CAToken_t token, uint8_t tokenLength)
1231 CAResponseInfo_t respInfo = {};
1232 respInfo.result = responseResult;
1233 respInfo.info.messageId = coapID;
1234 respInfo.info.numOptions = numOptions;
1235 respInfo.info.options = (CAHeaderOption_t*)options;
1236 respInfo.info.payload = NULL;
1237 respInfo.info.token = token;
1238 respInfo.info.tokenLength = tokenLength;
1239 respInfo.info.type = type;
1241 CAResult_t caResult = CASendResponse(endPoint, &respInfo);
1242 if(caResult != CA_STATUS_OK)
1244 OC_LOG(ERROR, TAG, PCF("CASendResponse error"));
1245 return OC_STACK_ERROR;
1250 //This function will be called back by CA layer when a request is received
1251 void HandleCARequests(const CAEndpoint_t* endPoint, const CARequestInfo_t* requestInfo)
1253 OC_LOG(INFO, TAG, PCF("Enter HandleCARequests"));
1256 OC_LOG(ERROR, TAG, PCF("endPoint is NULL"));
1262 OC_LOG(ERROR, TAG, PCF("requestInfo is NULL"));
1266 OCStackResult requestResult = OC_STACK_ERROR;
1268 if(myStackMode == OC_CLIENT)
1270 //TODO: should the client be responding to requests?
1274 OCServerProtocolRequest serverRequest = {};
1276 OC_LOG_V(INFO, TAG, PCF("Endpoint URI : %s"), requestInfo->info.resourceUri);
1278 char * uriWithoutQuery = NULL;
1279 char * query = NULL;
1281 requestResult = getQueryFromUri(requestInfo->info.resourceUri, &query, &uriWithoutQuery);
1283 if (requestResult != OC_STACK_OK)
1285 OC_LOG_V(ERROR, TAG, "getQueryFromUri() failed with OC error code %d\n", requestResult);
1288 OC_LOG_V(INFO, TAG, PCF("URI without query: %s"), uriWithoutQuery);
1289 OC_LOG_V(INFO, TAG, PCF("Query : %s"), query);
1291 if(strlen(uriWithoutQuery) < MAX_URI_LENGTH)
1293 OICStrcpy(serverRequest.resourceUrl, sizeof(serverRequest.resourceUrl), uriWithoutQuery);
1294 OICFree(uriWithoutQuery);
1298 OC_LOG(ERROR, TAG, PCF("URI length exceeds MAX_URI_LENGTH."));
1299 OICFree(uriWithoutQuery);
1306 if(strlen(query) < MAX_QUERY_LENGTH)
1308 OICStrcpy(serverRequest.query, sizeof(serverRequest.query), query);
1313 OC_LOG(ERROR, TAG, PCF("Query length exceeds MAX_QUERY_LENGTH."));
1319 if ((requestInfo->info.payload) && (0 < requestInfo->info.payloadSize))
1321 serverRequest.reqTotalSize = requestInfo->info.payloadSize;
1322 serverRequest.payload = (uint8_t *) OICMalloc(requestInfo->info.payloadSize);
1323 memcpy (serverRequest.payload, requestInfo->info.payload,
1324 requestInfo->info.payloadSize);
1328 serverRequest.reqTotalSize = 0;
1331 switch (requestInfo->method)
1334 serverRequest.method = OC_REST_GET;
1337 serverRequest.method = OC_REST_PUT;
1340 serverRequest.method = OC_REST_POST;
1343 serverRequest.method = OC_REST_DELETE;
1346 OC_LOG_V(ERROR, TAG, "Received CA method %d not supported", requestInfo->method);
1347 SendDirectStackResponse(endPoint, requestInfo->info.messageId, CA_BAD_REQ,
1348 requestInfo->info.type, requestInfo->info.numOptions,
1349 requestInfo->info.options, requestInfo->info.token,
1350 requestInfo->info.tokenLength);
1351 OICFree(serverRequest.payload);
1355 OC_LOG_BUFFER(INFO, TAG, (const uint8_t *)requestInfo->info.token,
1356 requestInfo->info.tokenLength);
1357 serverRequest.requestToken = (CAToken_t)OICMalloc(requestInfo->info.tokenLength);
1358 serverRequest.tokenLength = requestInfo->info.tokenLength;
1360 if (!serverRequest.requestToken)
1362 OC_LOG(FATAL, TAG, "Allocation for token failed.");
1363 SendDirectStackResponse(endPoint, requestInfo->info.messageId, CA_INTERNAL_SERVER_ERROR,
1364 requestInfo->info.type, requestInfo->info.numOptions,
1365 requestInfo->info.options, requestInfo->info.token,
1366 requestInfo->info.tokenLength);
1367 OICFree(serverRequest.payload);
1370 memcpy(serverRequest.requestToken, requestInfo->info.token, requestInfo->info.tokenLength);
1372 if (requestInfo->info.type == CA_MSG_CONFIRM)
1374 serverRequest.qos = OC_HIGH_QOS;
1378 serverRequest.qos = OC_LOW_QOS;
1380 // CA does not need the following field
1381 // Are we sure CA does not need them? how is it responding to multicast
1382 serverRequest.delayedResNeeded = 0;
1384 serverRequest.coapID = requestInfo->info.messageId;
1386 CopyEndpointToDevAddr(endPoint, &serverRequest.devAddr);
1388 // copy vendor specific header options
1389 uint8_t tempNum = (requestInfo->info.numOptions);
1390 GetObserveHeaderOption(&serverRequest.observationOption, requestInfo->info.options, &tempNum);
1391 if (requestInfo->info.numOptions > MAX_HEADER_OPTIONS)
1394 PCF("The request info numOptions is greater than MAX_HEADER_OPTIONS"));
1395 SendDirectStackResponse(endPoint, requestInfo->info.messageId, CA_BAD_OPT,
1396 requestInfo->info.type, requestInfo->info.numOptions,
1397 requestInfo->info.options, requestInfo->info.token,
1398 requestInfo->info.tokenLength);
1399 OICFree(serverRequest.payload);
1400 OICFree(serverRequest.requestToken);
1403 serverRequest.numRcvdVendorSpecificHeaderOptions = tempNum;
1404 if (serverRequest.numRcvdVendorSpecificHeaderOptions)
1406 memcpy (&(serverRequest.rcvdVendorSpecificHeaderOptions), requestInfo->info.options,
1407 sizeof(CAHeaderOption_t)*tempNum);
1410 requestResult = HandleStackRequests (&serverRequest);
1412 // Send ACK to client as precursor to slow response
1413 if(requestResult == OC_STACK_SLOW_RESOURCE)
1415 SendDirectStackResponse(endPoint, requestInfo->info.messageId, CA_EMPTY,
1416 CA_MSG_ACKNOWLEDGE,0, NULL, NULL, 0);
1418 else if(requestResult != OC_STACK_OK)
1420 OC_LOG_V(ERROR, TAG, PCF("HandleStackRequests failed. error: %d"), requestResult);
1422 CAResponseResult_t stackResponse = OCToCAStackResult(requestResult);
1424 SendDirectStackResponse(endPoint, requestInfo->info.messageId, stackResponse,
1425 requestInfo->info.type, requestInfo->info.numOptions,
1426 requestInfo->info.options, requestInfo->info.token,
1427 requestInfo->info.tokenLength);
1429 // requestToken is fed to HandleStackRequests, which then goes to AddServerRequest.
1430 // The token is copied in there, and is thus still owned by this function.
1431 OICFree(serverRequest.payload);
1432 OICFree(serverRequest.requestToken);
1433 OC_LOG(INFO, TAG, PCF("Exit HandleCARequests"));
1436 OCStackResult HandleStackRequests(OCServerProtocolRequest * protocolRequest)
1438 OC_LOG(INFO, TAG, PCF("Entering HandleStackRequests (OCStack Layer)"));
1439 OCStackResult result = OC_STACK_ERROR;
1440 ResourceHandling resHandling;
1441 OCResource *resource;
1442 if(!protocolRequest)
1444 OC_LOG(ERROR, TAG, PCF("protocolRequest is NULL"));
1445 return OC_STACK_INVALID_PARAM;
1448 OCServerRequest * request = GetServerRequestUsingToken(protocolRequest->requestToken,
1449 protocolRequest->tokenLength);
1452 OC_LOG(INFO, TAG, PCF("This is a new Server Request"));
1453 result = AddServerRequest(&request, protocolRequest->coapID,
1454 protocolRequest->delayedResNeeded, 0,
1455 protocolRequest->method, protocolRequest->numRcvdVendorSpecificHeaderOptions,
1456 protocolRequest->observationOption, protocolRequest->qos,
1457 protocolRequest->query, protocolRequest->rcvdVendorSpecificHeaderOptions,
1458 protocolRequest->payload, protocolRequest->requestToken,
1459 protocolRequest->tokenLength,
1460 protocolRequest->resourceUrl, protocolRequest->reqTotalSize,
1461 &protocolRequest->devAddr);
1462 if (OC_STACK_OK != result)
1464 OC_LOG(ERROR, TAG, PCF("Error adding server request"));
1470 OC_LOG(ERROR, TAG, PCF("Out of Memory"));
1471 return OC_STACK_NO_MEMORY;
1474 if(!protocolRequest->reqMorePacket)
1476 request->requestComplete = 1;
1481 OC_LOG(INFO, TAG, PCF("This is either a repeated or blocked Server Request"));
1484 if(request->requestComplete)
1486 OC_LOG(INFO, TAG, PCF("This Server Request is complete"));
1487 result = DetermineResourceHandling (request, &resHandling, &resource);
1488 if (result == OC_STACK_OK)
1490 result = ProcessRequest(resHandling, resource, request);
1495 OC_LOG(INFO, TAG, PCF("This Server Request is incomplete"));
1496 result = OC_STACK_CONTINUE;
1501 bool validatePlatformInfo(OCPlatformInfo info)
1504 if (!info.platformID)
1506 OC_LOG(ERROR, TAG, PCF("No platform ID found."));
1510 if (info.manufacturerName)
1512 size_t lenManufacturerName = strlen(info.manufacturerName);
1514 if(lenManufacturerName == 0 || lenManufacturerName > MAX_MANUFACTURER_NAME_LENGTH)
1516 OC_LOG(ERROR, TAG, PCF("Manufacturer name fails length requirements."));
1522 OC_LOG(ERROR, TAG, PCF("No manufacturer name present"));
1526 if (info.manufacturerUrl)
1528 if(strlen(info.manufacturerUrl) > MAX_MANUFACTURER_URL_LENGTH)
1530 OC_LOG(ERROR, TAG, PCF("Manufacturer url fails length requirements."));
1537 //-----------------------------------------------------------------------------
1539 //-----------------------------------------------------------------------------
1541 OCStackResult OCSetRAInfo(const OCRAInfo_t *raInfo)
1544 !raInfo->username ||
1545 !raInfo->hostname ||
1546 !raInfo->xmpp_domain)
1549 return OC_STACK_INVALID_PARAM;
1551 OCStackResult result = CAResultToOCResult(CASetRAInfo((const CARAInfo_t *) raInfo));
1552 gRASetInfo = (result == OC_STACK_OK)? true : false;
1558 OCStackResult OCInit(const char *ipAddr, uint16_t port, OCMode mode)
1565 OC_LOG(ERROR, TAG, PCF("Need to call OCSetRAInfo before calling OCInit"));
1566 return OC_STACK_ERROR;
1569 return OCInit1(mode, OC_DEFAULT_FLAGS, OC_DEFAULT_FLAGS);
1572 OCStackResult OCInit1(OCMode mode, OCTransportFlags serverFlags, OCTransportFlags clientFlags)
1574 if(stackState == OC_STACK_INITIALIZED)
1576 OC_LOG(INFO, TAG, PCF("Subsequent calls to OCInit() without calling \
1577 OCStop() between them are ignored."));
1581 OCStackResult result = OC_STACK_ERROR;
1582 OC_LOG(INFO, TAG, PCF("Entering OCInit"));
1585 if (!((mode == OC_CLIENT) || (mode == OC_SERVER) || (mode == OC_CLIENT_SERVER)))
1587 OC_LOG(ERROR, TAG, PCF("Invalid mode"));
1588 return OC_STACK_ERROR;
1592 if (mode == OC_CLIENT || mode == OC_CLIENT_SERVER)
1594 caglobals.client = true;
1596 if (mode == OC_SERVER || mode == OC_CLIENT_SERVER)
1598 caglobals.server = true;
1601 caglobals.serverFlags = (CATransportFlags_t)serverFlags;
1602 if (!(caglobals.serverFlags & CA_IPFAMILY_MASK))
1604 caglobals.serverFlags = (CATransportFlags_t)(caglobals.serverFlags|CA_IPV4);
1606 caglobals.clientFlags = (CATransportFlags_t)clientFlags;
1607 if (!(caglobals.clientFlags & CA_IPFAMILY_MASK))
1609 caglobals.clientFlags = (CATransportFlags_t)(caglobals.clientFlags|CA_IPV4);
1612 defaultDeviceHandler = NULL;
1613 defaultDeviceHandlerCallbackParameter = NULL;
1616 result = CAResultToOCResult(CAInitialize());
1617 VERIFY_SUCCESS(result, OC_STACK_OK);
1619 result = CAResultToOCResult(OCSelectNetwork());
1620 VERIFY_SUCCESS(result, OC_STACK_OK);
1622 switch (myStackMode)
1625 CARegisterHandler(HandleCARequests, HandleCAResponses, HandleCAErrorResponse);
1626 result = CAResultToOCResult(CAStartDiscoveryServer());
1627 OC_LOG(INFO, TAG, PCF("Client mode: CAStartDiscoveryServer"));
1630 SRMRegisterHandler(HandleCARequests, HandleCAResponses, HandleCAErrorResponse);
1631 result = CAResultToOCResult(CAStartListeningServer());
1632 OC_LOG(INFO, TAG, PCF("Server mode: CAStartListeningServer"));
1634 case OC_CLIENT_SERVER:
1635 SRMRegisterHandler(HandleCARequests, HandleCAResponses, HandleCAErrorResponse);
1636 result = CAResultToOCResult(CAStartListeningServer());
1637 if(result == OC_STACK_OK)
1639 result = CAResultToOCResult(CAStartDiscoveryServer());
1643 VERIFY_SUCCESS(result, OC_STACK_OK);
1645 #ifdef WITH_PRESENCE
1646 PresenceTimeOutSize = sizeof(PresenceTimeOut)/sizeof(PresenceTimeOut[0]) - 1;
1647 #endif // WITH_PRESENCE
1649 //Update Stack state to initialized
1650 stackState = OC_STACK_INITIALIZED;
1652 // Initialize resource
1653 if(myStackMode != OC_CLIENT)
1655 result = initResources();
1658 // Initialize the SRM Policy Engine
1659 if(result == OC_STACK_OK)
1661 result = SRMInitPolicyEngine();
1662 // TODO after BeachHead delivery: consolidate into single SRMInit()
1666 if(result != OC_STACK_OK)
1668 OC_LOG(ERROR, TAG, PCF("Stack initialization error"));
1669 deleteAllResources();
1671 stackState = OC_STACK_UNINITIALIZED;
1676 OCStackResult OCStop()
1678 OC_LOG(INFO, TAG, PCF("Entering OCStop"));
1680 if (stackState == OC_STACK_UNINIT_IN_PROGRESS)
1682 OC_LOG(DEBUG, TAG, PCF("Stack already stopping, exiting"));
1685 else if (stackState != OC_STACK_INITIALIZED)
1687 OC_LOG(ERROR, TAG, PCF("Stack not initialized"));
1688 return OC_STACK_ERROR;
1691 stackState = OC_STACK_UNINIT_IN_PROGRESS;
1693 #ifdef WITH_PRESENCE
1694 // Ensure that the TTL associated with ANY and ALL presence notifications originating from
1695 // here send with the code "OC_STACK_PRESENCE_STOPPED" result.
1696 presenceResource.presenceTTL = 0;
1697 #endif // WITH_PRESENCE
1699 // Free memory dynamically allocated for resources
1700 deleteAllResources();
1702 DeletePlatformInfo();
1704 // Remove all observers
1705 DeleteObserverList();
1706 // Remove all the client callbacks
1707 DeleteClientCBList();
1709 // De-init the SRM Policy Engine
1710 // TODO after BeachHead delivery: consolidate into single SRMDeInit()
1711 SRMDeInitPolicyEngine();
1714 stackState = OC_STACK_UNINITIALIZED;
1718 CAMessageType_t qualityOfServiceToMessageType(OCQualityOfService qos)
1723 return CA_MSG_CONFIRM;
1728 return CA_MSG_NONCONFIRM;
1732 OCStackResult verifyUriQueryLength(const char *inputUri, uint16_t uriLen)
1736 query = strchr (inputUri, '?');
1740 if((query - inputUri) > MAX_URI_LENGTH)
1742 return OC_STACK_INVALID_URI;
1745 if((inputUri + uriLen - 1 - query) > MAX_QUERY_LENGTH)
1747 return OC_STACK_INVALID_QUERY;
1750 else if(uriLen > MAX_URI_LENGTH)
1752 return OC_STACK_INVALID_URI;
1758 * A request uri consists of the following components in order:
1760 * optional prefix "coap://"
1762 * IPv6 address "[1234::5678]"
1763 * IPv4 address "192.168.1.1"
1764 * optional port ":5683"
1765 * resource uri "/oc/core..."
1767 * for PRESENCE requests, extract resource type.
1769 static OCStackResult ParseRequestUri(const char *fullUri,
1770 OCTransportAdapter adapter,
1771 OCTransportFlags flags,
1772 OCDevAddr **devAddr,
1774 char **resourceType)
1776 VERIFY_NON_NULL(fullUri, FATAL, OC_STACK_INVALID_CALLBACK);
1778 OCStackResult result = OC_STACK_OK;
1779 OCDevAddr *da = NULL;
1783 // provide defaults for all returned values
1790 *resourceUri = NULL;
1794 *resourceType = NULL;
1797 // delimit url prefix, if any
1798 const char *start = fullUri;
1799 char *slash2 = strstr(start, "//");
1804 char *slash = strchr(start, '/');
1807 return OC_STACK_INVALID_URI;
1810 // processs url prefix, if any
1811 size_t urlLen = slash - start;
1815 if (urlLen && devAddr)
1816 { // construct OCDevAddr
1817 if (OC_ADAPTER_IP == adapter)
1819 if (start[0] == '[')
1821 char *close = strchr(++start, ']');
1822 if (!close || close > slash)
1824 return OC_STACK_INVALID_URI;
1827 if (close[1] == ':')
1835 colon = strchr(start, ':');
1836 end = (colon && colon < slash) ? colon : slash;
1839 if (len >= sizeof(da->addr))
1841 return OC_STACK_INVALID_URI;
1843 // collect port, if any
1844 if (colon && colon < slash)
1846 for (colon++; colon < slash; colon++)
1849 if (c < '0' || c > '9')
1851 return OC_STACK_INVALID_URI;
1853 port = 10 * port + c - '0';
1860 * This is for Non-IP adapters(EDR and BLE).
1861 * The address will be between "//" and "/" in the request URI.
1862 * [Ex. coap://AB:BC:CD:DE:EF:FG/resource_uri]
1868 if (len >= sizeof(da->addr))
1870 return OC_STACK_INVALID_URI;
1873 da = (OCDevAddr *)OICCalloc(sizeof (OCDevAddr), 1);
1876 return OC_STACK_NO_MEMORY;
1878 OICStrcpyPartial(da->addr, sizeof(da->addr), start, len);
1880 da->adapter = adapter;
1882 if (!strncmp(fullUri, "coaps:", 6))
1884 da->flags = (OCTransportFlags)(da->flags|CA_SECURE);
1889 // process resource uri, if any
1891 { // request uri and query
1892 size_t ulen = strlen(slash); // resource uri length
1893 size_t tlen = 0; // resource type length
1896 static const char strPresence[] = "/oic/ad?rt=";
1897 static const size_t lenPresence = sizeof(strPresence) - 1;
1898 if (!strncmp(slash, strPresence, lenPresence))
1900 type = slash + lenPresence;
1901 tlen = ulen - lenPresence;
1906 *resourceUri = (char *)OICMalloc(ulen + 1);
1909 result = OC_STACK_NO_MEMORY;
1912 strcpy(*resourceUri, slash);
1915 if (type && resourceType)
1917 *resourceType = (char *)OICMalloc(tlen + 1);
1920 result = OC_STACK_NO_MEMORY;
1924 OICStrcpy(*resourceType, (tlen+1), type);
1931 // free all returned values
1938 OICFree(*resourceUri);
1942 OICFree(*resourceType);
1947 static OCStackResult OCPreparePresence(CAEndpoint_t *endpoint,
1948 char *resourceUri, char **requestUri)
1950 char uri[CA_MAX_URI_LENGTH];
1952 FormCanonicalPresenceUri(endpoint, resourceUri, uri);
1954 *requestUri = (char *)OICMalloc(strlen(uri) + 1);
1957 return OC_STACK_NO_MEMORY;
1960 strcpy(*requestUri, uri);
1965 * Discover or Perform requests on a specified resource
1967 OCStackResult OCDoResource(OCDoHandle *handle,
1969 const char *requestUri,
1970 const OCDevAddr *destination,
1972 OCConnectivityType connectivityType,
1973 OCQualityOfService qos,
1974 OCCallbackData *cbData,
1975 OCHeaderOption *options,
1978 OC_LOG(INFO, TAG, PCF("Entering OCDoResource"));
1980 // Validate input parameters
1981 VERIFY_NON_NULL(cbData, FATAL, OC_STACK_INVALID_CALLBACK);
1982 VERIFY_NON_NULL(cbData->cb, FATAL, OC_STACK_INVALID_CALLBACK);
1983 VERIFY_NON_NULL(requestUri , FATAL, OC_STACK_INVALID_URI);
1985 OCStackResult result = OC_STACK_ERROR;
1986 CAResult_t caResult;
1987 CAToken_t token = NULL;
1988 uint8_t tokenLength = CA_MAX_TOKEN_LEN;
1989 ClientCB *clientCB = NULL;
1990 OCDoHandle resHandle = NULL;
1991 CAEndpoint_t *endpoint = NULL;
1992 OCDevAddr tmpDevAddr = { OC_DEFAULT_ADAPTER };
1994 OCTransportAdapter adapter;
1995 OCTransportFlags flags;
1996 // the request contents are put here
1997 CARequestInfo_t requestInfo = { CA_GET };
1998 // requestUri will be parsed into the following three variables
1999 OCDevAddr *devAddr = NULL;
2000 char *resourceUri = NULL;
2001 char *resourceType = NULL;
2003 // To track if memory is allocated for additional header options
2004 uint8_t hdrOptionMemAlloc = 0;
2006 // This validation is broken, but doesn't cause harm
2007 size_t uriLen = strlen(requestUri );
2008 if ((result = verifyUriQueryLength(requestUri , uriLen)) != OC_STACK_OK)
2014 * Support original behavior with address on resourceUri argument.
2016 adapter = (OCTransportAdapter)(connectivityType >> CT_ADAPTER_SHIFT);
2017 flags = (OCTransportFlags)(connectivityType & CT_MASK_FLAGS);
2019 result = ParseRequestUri(requestUri, adapter, flags, &devAddr, &resourceUri, &resourceType);
2021 if (result != OC_STACK_OK)
2023 OC_LOG_V(DEBUG, TAG, "Unable to parse uri: %s", requestUri);
2030 case OC_REST_OBSERVE:
2031 case OC_REST_OBSERVE_ALL:
2032 case OC_REST_CANCEL_OBSERVE:
2033 requestInfo.method = CA_GET;
2036 requestInfo.method = CA_PUT;
2039 requestInfo.method = CA_POST;
2041 case OC_REST_DELETE:
2042 requestInfo.method = CA_DELETE;
2044 case OC_REST_DISCOVER:
2046 if (destination || devAddr)
2048 requestInfo.isMulticast = false;
2052 tmpDevAddr.adapter = adapter;
2053 tmpDevAddr.flags = flags;
2054 destination = &tmpDevAddr;
2055 requestInfo.isMulticast = true;
2057 // CA_DISCOVER will become GET and isMulticast
2058 requestInfo.method = CA_GET;
2060 #ifdef WITH_PRESENCE
2061 case OC_REST_PRESENCE:
2062 // Replacing method type with GET because "presence"
2063 // is a stack layer only implementation.
2064 requestInfo.method = CA_GET;
2068 result = OC_STACK_INVALID_METHOD;
2072 if (!devAddr && !destination)
2074 OC_LOG_V(DEBUG, TAG, "no devAddr and no destination");
2075 result = OC_STACK_INVALID_PARAM;
2079 /* If not original behavior, use destination argument */
2080 if (destination && !devAddr)
2082 devAddr = (OCDevAddr *)OICMalloc(sizeof (OCDevAddr));
2085 result = OC_STACK_NO_MEMORY;
2088 *devAddr = *destination;
2091 resHandle = GenerateInvocationHandle();
2094 result = OC_STACK_NO_MEMORY;
2098 caResult = CAGenerateToken(&token, tokenLength);
2099 if (caResult != CA_STATUS_OK)
2101 OC_LOG(ERROR, TAG, PCF("CAGenerateToken error"));
2105 // fill in request data
2106 requestInfo.info.type = qualityOfServiceToMessageType(qos);
2107 requestInfo.info.token = token;
2108 requestInfo.info.tokenLength = tokenLength;
2109 requestInfo.info.resourceUri = resourceUri;
2111 if ((method == OC_REST_OBSERVE) || (method == OC_REST_OBSERVE_ALL))
2113 result = CreateObserveHeaderOption (&(requestInfo.info.options),
2114 options, numOptions, OC_OBSERVE_REGISTER);
2115 if (result != OC_STACK_OK)
2119 hdrOptionMemAlloc = 1;
2120 requestInfo.info.numOptions = numOptions + 1;
2124 requestInfo.info.options = (CAHeaderOption_t*)options;
2125 requestInfo.info.numOptions = numOptions;
2128 // create remote endpoint
2129 result = OCCreateEndpoint(devAddr, &endpoint);
2133 OCConvertPayload(payload, &requestInfo.info.payload, &requestInfo.info.payloadSize))
2136 OC_LOG(ERROR, TAG, PCF("Failed to create CBOR Payload"));
2142 requestInfo.info.payload = NULL;
2143 requestInfo.info.payloadSize = 0;
2148 if (result != OC_STACK_OK)
2150 OC_LOG(ERROR, TAG, PCF("CACreateEndpoint error"));
2154 // prepare for response
2155 #ifdef WITH_PRESENCE
2156 if (method == OC_REST_PRESENCE)
2158 char *presenceUri = NULL;
2159 result = OCPreparePresence(endpoint, resourceUri, &presenceUri);
2160 if (OC_STACK_OK != result)
2165 // Assign full presence uri as coap://ip:port/oic/ad to add to callback list.
2166 // Presence notification will form a canonical uri to
2167 // look for callbacks into the application.
2168 resourceUri = presenceUri;
2172 ttl = GetTicks(MAX_CB_TIMEOUT_SECONDS * MILLISECONDS_PER_SECOND);
2173 result = AddClientCB(&clientCB, cbData, token, tokenLength, &resHandle,
2174 method, devAddr, resourceUri, resourceType, ttl);
2175 if (OC_STACK_OK != result)
2180 devAddr = NULL; // Client CB list entry now owns it
2181 resourceUri = NULL; // Client CB list entry now owns it
2182 resourceType = NULL; // Client CB list entry now owns it
2185 caResult = CASendRequest(endpoint, &requestInfo);
2186 if (caResult != CA_STATUS_OK)
2188 OC_LOG(ERROR, TAG, PCF("CASendRequest"));
2189 result = OC_STACK_COMM_ERROR;
2195 *handle = resHandle;
2199 if (result != OC_STACK_OK)
2201 OC_LOG(ERROR, TAG, PCF("OCDoResource error"));
2202 FindAndDeleteClientCB(clientCB);
2203 CADestroyToken(token);
2211 // This is the owner of the payload object, so we free it
2212 OCPayloadDestroy(payload);
2213 OICFree(requestInfo.info.payload);
2215 OICFree(resourceUri);
2216 OICFree(resourceType);
2218 if (hdrOptionMemAlloc)
2220 OICFree(requestInfo.info.options);
2225 OCStackResult OCCancel(OCDoHandle handle, OCQualityOfService qos, OCHeaderOption * options,
2229 * This ftn is implemented one of two ways in the case of observation:
2231 * 1. qos == OC_NON_CONFIRMABLE. When observe is unobserved..
2232 * Remove the callback associated on client side.
2233 * When the next notification comes in from server,
2234 * reply with RESET message to server.
2235 * Keep in mind that the server will react to RESET only
2236 * if the last notification was sent as CON
2238 * 2. qos == OC_CONFIRMABLE. When OCCancel is called,
2239 * and it is associated with an observe request
2240 * (i.e. ClientCB->method == OC_REST_OBSERVE || OC_REST_OBSERVE_ALL),
2241 * Send CON Observe request to server with
2242 * observe flag = OC_RESOURCE_OBSERVE_DEREGISTER.
2243 * Remove the callback associated on client side.
2245 OCStackResult ret = OC_STACK_OK;
2246 CAEndpoint_t* endpoint = NULL;
2247 CAResult_t caResult;
2248 CAInfo_t requestData = {};
2249 CARequestInfo_t requestInfo = {};
2253 return OC_STACK_INVALID_PARAM;
2256 ClientCB *clientCB = GetClientCB(NULL, 0, handle, NULL);
2259 OC_LOG(ERROR, TAG, PCF("Client callback not found. Called OCCancel twice?"));
2263 switch (clientCB->method)
2265 case OC_REST_OBSERVE:
2266 case OC_REST_OBSERVE_ALL:
2267 OC_LOG_V(INFO, TAG, "Canceling observation for resource %s",
2268 clientCB->requestUri);
2269 if (qos != OC_HIGH_QOS)
2271 FindAndDeleteClientCB(clientCB);
2276 OC_LOG(INFO, TAG, PCF("Cancelling observation as CONFIRMABLE"));
2279 requestData.type = qualityOfServiceToMessageType(qos);
2280 requestData.token = clientCB->token;
2281 requestData.tokenLength = clientCB->tokenLength;
2282 if (CreateObserveHeaderOption (&(requestData.options),
2283 options, numOptions, OC_OBSERVE_DEREGISTER) != OC_STACK_OK)
2285 return OC_STACK_ERROR;
2287 requestData.numOptions = numOptions + 1;
2288 requestData.resourceUri = OICStrdup (clientCB->requestUri);
2290 requestInfo.method = CA_GET;
2291 requestInfo.info = requestData;
2293 ret = OCCreateEndpoint(clientCB->devAddr, &endpoint);
2294 if (ret != OC_STACK_OK)
2296 OC_LOG(ERROR, TAG, PCF("CACreateEndpoint error"));
2301 caResult = CASendRequest(endpoint, &requestInfo);
2302 if (caResult != CA_STATUS_OK)
2304 OC_LOG(ERROR, TAG, PCF("CASendRequest error"));
2305 ret = OC_STACK_ERROR;
2307 ret = CAResultToOCResult (caResult);
2310 #ifdef WITH_PRESENCE
2311 case OC_REST_PRESENCE:
2312 FindAndDeleteClientCB(clientCB);
2317 ret = OC_STACK_INVALID_METHOD;
2322 OCDestroyEndpoint(endpoint);
2323 if (requestData.numOptions > 0)
2325 OICFree(requestData.options);
2327 if (requestData.resourceUri)
2329 OICFree (requestData.resourceUri);
2336 * @brief Register Persistent storage callback.
2337 * @param persistentStorageHandler [IN] Pointers to open, read, write, close & unlink handlers.
2339 * OC_STACK_OK - No errors; Success
2340 * OC_STACK_INVALID_PARAM - Invalid parameter
2342 OCStackResult OCRegisterPersistentStorageHandler(OCPersistentStorage* persistentStorageHandler)
2344 OC_LOG(INFO, TAG, PCF("RegisterPersistentStorageHandler !!"));
2345 if(!persistentStorageHandler)
2347 OC_LOG(ERROR, TAG, PCF("The persistent storage handler is invalid"));
2348 return OC_STACK_INVALID_PARAM;
2352 if( !persistentStorageHandler->open ||
2353 !persistentStorageHandler->close ||
2354 !persistentStorageHandler->read ||
2355 !persistentStorageHandler->unlink ||
2356 !persistentStorageHandler->write)
2358 OC_LOG(ERROR, TAG, PCF("The persistent storage handler is invalid"));
2359 return OC_STACK_INVALID_PARAM;
2362 return SRMRegisterPersistentStorageHandler(persistentStorageHandler);
2365 #ifdef WITH_PRESENCE
2367 OCStackResult OCProcessPresence()
2369 OCStackResult result = OC_STACK_OK;
2371 // the following line floods the log with messages that are irrelevant
2372 // to most purposes. Uncomment as needed.
2373 //OC_LOG(INFO, TAG, PCF("Entering RequestPresence"));
2374 ClientCB* cbNode = NULL;
2375 OCClientResponse clientResponse;
2376 OCStackApplicationResult cbResult = OC_STACK_DELETE_TRANSACTION;
2378 LL_FOREACH(cbList, cbNode)
2380 if (OC_REST_PRESENCE != cbNode->method || !cbNode->presence)
2385 uint32_t now = GetTicks(0);
2386 OC_LOG_V(DEBUG, TAG, "this TTL level %d",
2387 cbNode->presence->TTLlevel);
2388 OC_LOG_V(DEBUG, TAG, "current ticks %d", now);
2390 if(cbNode->presence->TTLlevel >= (PresenceTimeOutSize + 1))
2395 if (cbNode->presence->TTLlevel < PresenceTimeOutSize)
2397 OC_LOG_V(DEBUG, TAG, "timeout ticks %d",
2398 cbNode->presence->timeOut[cbNode->presence->TTLlevel]);
2401 if (cbNode->presence->TTLlevel >= PresenceTimeOutSize)
2403 OC_LOG(DEBUG, TAG, PCF("No more timeout ticks"));
2405 clientResponse.sequenceNumber = 0;
2406 clientResponse.result = OC_STACK_PRESENCE_TIMEOUT;
2407 clientResponse.devAddr = *cbNode->devAddr;
2408 FixUpClientResponse(&clientResponse);
2409 clientResponse.payload = NULL;
2411 // Increment the TTLLevel (going to a next state), so we don't keep
2412 // sending presence notification to client.
2413 cbNode->presence->TTLlevel++;
2414 OC_LOG_V(DEBUG, TAG, "moving to TTL level %d",
2415 cbNode->presence->TTLlevel);
2417 cbResult = cbNode->callBack(cbNode->context, cbNode->handle, &clientResponse);
2418 if (cbResult == OC_STACK_DELETE_TRANSACTION)
2420 FindAndDeleteClientCB(cbNode);
2424 if (now < cbNode->presence->timeOut[cbNode->presence->TTLlevel])
2429 CAResult_t caResult = CA_STATUS_OK;
2430 CAEndpoint_t* endpoint = NULL;
2431 CAInfo_t requestData ={};
2432 CARequestInfo_t requestInfo = {};
2434 OC_LOG(DEBUG, TAG, PCF("time to test server presence"));
2436 result = OCCreateEndpoint(cbNode->devAddr, &endpoint);
2437 if (result != OC_STACK_OK)
2439 OC_LOG(ERROR, TAG, PCF("CACreateEndpoint error"));
2443 requestData.type = CA_MSG_NONCONFIRM;
2444 requestData.token = cbNode->token;
2445 requestData.tokenLength = cbNode->tokenLength;
2446 requestData.resourceUri = OC_RSRVD_PRESENCE_URI;
2447 requestInfo.method = CA_GET;
2448 requestInfo.info = requestData;
2450 caResult = CASendRequest(endpoint, &requestInfo);
2451 OCDestroyEndpoint(endpoint);
2453 if (caResult != CA_STATUS_OK)
2455 OC_LOG(ERROR, TAG, PCF("CASendRequest error"));
2459 cbNode->presence->TTLlevel++;
2460 OC_LOG_V(DEBUG, TAG, "moving to TTL level %d", cbNode->presence->TTLlevel);
2463 if (result != OC_STACK_OK)
2465 OC_LOG(ERROR, TAG, PCF("OCProcessPresence error"));
2469 #endif // WITH_PRESENCE
2471 OCStackResult OCProcess()
2473 #ifdef WITH_PRESENCE
2474 OCProcessPresence();
2476 CAHandleRequestResponse();
2481 #ifdef WITH_PRESENCE
2482 OCStackResult OCStartPresence(const uint32_t ttl)
2484 uint8_t tokenLength = CA_MAX_TOKEN_LEN;
2485 OCChangeResourceProperty(
2486 &(((OCResource *)presenceResource.handle)->resourceProperties),
2489 if (OC_MAX_PRESENCE_TTL_SECONDS < ttl)
2491 presenceResource.presenceTTL = OC_MAX_PRESENCE_TTL_SECONDS;
2492 OC_LOG(INFO, TAG, PCF("Setting Presence TTL to max value"));
2496 presenceResource.presenceTTL = OC_DEFAULT_PRESENCE_TTL_SECONDS;
2497 OC_LOG(INFO, TAG, PCF("Setting Presence TTL to default value"));
2501 presenceResource.presenceTTL = ttl;
2503 OC_LOG_V(DEBUG, TAG, "Presence TTL is %lu seconds", presenceResource.presenceTTL);
2505 if (OC_PRESENCE_UNINITIALIZED == presenceState)
2507 presenceState = OC_PRESENCE_INITIALIZED;
2509 OCDevAddr devAddr = { OC_DEFAULT_ADAPTER };
2510 OICStrcpy(devAddr.addr, sizeof(devAddr.addr), OC_MULTICAST_IP);
2511 devAddr.port = OC_MULTICAST_PORT;
2513 CAToken_t caToken = NULL;
2514 CAResult_t caResult = CAGenerateToken(&caToken, tokenLength);
2515 if (caResult != CA_STATUS_OK)
2517 OC_LOG(ERROR, TAG, PCF("CAGenerateToken error"));
2518 CADestroyToken(caToken);
2519 return OC_STACK_ERROR;
2522 AddObserver(OC_RSRVD_PRESENCE_URI, NULL, 0, caToken, tokenLength,
2523 (OCResource *)presenceResource.handle, OC_LOW_QOS, &devAddr);
2524 CADestroyToken(caToken);
2527 // Each time OCStartPresence is called
2528 // a different random 32-bit integer number is used
2529 ((OCResource *)presenceResource.handle)->sequenceNum = OCGetRandom();
2531 return SendPresenceNotification(((OCResource *)presenceResource.handle)->rsrcType,
2532 OC_PRESENCE_TRIGGER_CREATE);
2535 OCStackResult OCStopPresence()
2537 OCStackResult result = OC_STACK_ERROR;
2539 if(presenceResource.handle)
2541 ((OCResource *)presenceResource.handle)->sequenceNum = OCGetRandom();
2543 // make resource inactive
2544 result = OCChangeResourceProperty(
2545 &(((OCResource *) presenceResource.handle)->resourceProperties),
2549 if(result != OC_STACK_OK)
2552 PCF("Changing the presence resource properties to ACTIVE not successful"));
2556 return SendStopNotification();
2560 OCStackResult OCSetDefaultDeviceEntityHandler(OCDeviceEntityHandler entityHandler,
2561 void* callbackParameter)
2563 defaultDeviceHandler = entityHandler;
2564 defaultDeviceHandlerCallbackParameter = callbackParameter;
2569 OCStackResult OCSetPlatformInfo(OCPlatformInfo platformInfo)
2571 OC_LOG(INFO, TAG, PCF("Entering OCSetPlatformInfo"));
2573 if(myStackMode == OC_SERVER || myStackMode == OC_CLIENT_SERVER)
2575 if (validatePlatformInfo(platformInfo))
2577 return SavePlatformInfo(platformInfo);
2581 return OC_STACK_INVALID_PARAM;
2586 return OC_STACK_ERROR;
2590 OCStackResult OCSetDeviceInfo(OCDeviceInfo deviceInfo)
2592 OC_LOG(INFO, TAG, PCF("Entering OCSetDeviceInfo"));
2594 if (!deviceInfo.deviceName || deviceInfo.deviceName[0] == '\0')
2596 OC_LOG(ERROR, TAG, PCF("Null or empty device name."));
2597 return OC_STACK_INVALID_PARAM;
2600 return SaveDeviceInfo(deviceInfo);
2603 OCStackResult OCCreateResource(OCResourceHandle *handle,
2604 const char *resourceTypeName,
2605 const char *resourceInterfaceName,
2606 const char *uri, OCEntityHandler entityHandler,
2607 void* callbackParam,
2608 uint8_t resourceProperties)
2611 OCResource *pointer = NULL;
2613 OCStackResult result = OC_STACK_ERROR;
2615 OC_LOG(INFO, TAG, PCF("Entering OCCreateResource"));
2617 if(myStackMode == OC_CLIENT)
2619 return OC_STACK_INVALID_PARAM;
2621 // Validate parameters
2622 if(!uri || uri[0]=='\0' || strlen(uri)>=MAX_URI_LENGTH )
2624 OC_LOG(ERROR, TAG, PCF("URI is empty or too long"));
2625 return OC_STACK_INVALID_URI;
2627 // Is it presented during resource discovery?
2628 if (!handle || !resourceTypeName || resourceTypeName[0] == '\0' )
2630 OC_LOG(ERROR, TAG, PCF("Input parameter is NULL"));
2631 return OC_STACK_INVALID_PARAM;
2634 if(!resourceInterfaceName || strlen(resourceInterfaceName) == 0)
2636 resourceInterfaceName = OC_RSRVD_INTERFACE_DEFAULT;
2639 // Make sure resourceProperties bitmask has allowed properties specified
2640 if (resourceProperties
2641 > (OC_ACTIVE | OC_DISCOVERABLE | OC_OBSERVABLE | OC_SLOW | OC_SECURE |
2642 OC_EXPLICIT_DISCOVERABLE))
2644 OC_LOG(ERROR, TAG, PCF("Invalid property"));
2645 return OC_STACK_INVALID_PARAM;
2648 // If the headResource is NULL, then no resources have been created...
2649 pointer = headResource;
2652 // At least one resources is in the resource list, so we need to search for
2653 // repeated URLs, which are not allowed. If a repeat is found, exit with an error
2656 if (strncmp(uri, pointer->uri, MAX_URI_LENGTH) == 0)
2658 OC_LOG_V(ERROR, TAG, "Resource %s already exists", uri);
2659 return OC_STACK_INVALID_PARAM;
2661 pointer = pointer->next;
2664 // Create the pointer and insert it into the resource list
2665 pointer = (OCResource *) OICCalloc(1, sizeof(OCResource));
2668 result = OC_STACK_NO_MEMORY;
2671 pointer->sequenceNum = OC_OFFSET_SEQUENCE_NUMBER;
2673 insertResource(pointer);
2676 str = OICStrdup(uri);
2679 result = OC_STACK_NO_MEMORY;
2684 // Set properties. Set OC_ACTIVE
2685 pointer->resourceProperties = (OCResourceProperty) (resourceProperties
2688 // Add the resourcetype to the resource
2689 result = BindResourceTypeToResource(pointer, resourceTypeName);
2690 if (result != OC_STACK_OK)
2692 OC_LOG(ERROR, TAG, PCF("Error adding resourcetype"));
2696 // Add the resourceinterface to the resource
2697 result = BindResourceInterfaceToResource(pointer, resourceInterfaceName);
2698 if (result != OC_STACK_OK)
2700 OC_LOG(ERROR, TAG, PCF("Error adding resourceinterface"));
2704 // If an entity handler has been passed, attach it to the newly created
2705 // resource. Otherwise, set the default entity handler.
2708 pointer->entityHandler = entityHandler;
2709 pointer->entityHandlerCallbackParam = callbackParam;
2713 pointer->entityHandler = defaultResourceEHandler;
2714 pointer->entityHandlerCallbackParam = NULL;
2718 result = OC_STACK_OK;
2720 #ifdef WITH_PRESENCE
2721 if(presenceResource.handle)
2723 ((OCResource *)presenceResource.handle)->sequenceNum = OCGetRandom();
2724 SendPresenceNotification(pointer->rsrcType, OC_PRESENCE_TRIGGER_CREATE);
2728 if (result != OC_STACK_OK)
2730 // Deep delete of resource and other dynamic elements that it contains
2731 deleteResource(pointer);
2738 OCStackResult OCBindResource(
2739 OCResourceHandle collectionHandle, OCResourceHandle resourceHandle)
2741 OCResource *resource = NULL;
2744 OC_LOG(INFO, TAG, PCF("Entering OCBindResource"));
2746 // Validate parameters
2747 VERIFY_NON_NULL(collectionHandle, ERROR, OC_STACK_ERROR);
2748 VERIFY_NON_NULL(resourceHandle, ERROR, OC_STACK_ERROR);
2749 // Container cannot contain itself
2750 if (collectionHandle == resourceHandle)
2752 OC_LOG(ERROR, TAG, PCF("Added handle equals collection handle"));
2753 return OC_STACK_INVALID_PARAM;
2756 // Use the handle to find the resource in the resource linked list
2757 resource = findResource((OCResource *) collectionHandle);
2760 OC_LOG(ERROR, TAG, PCF("Collection handle not found"));
2761 return OC_STACK_INVALID_PARAM;
2764 // Look for an open slot to add add the child resource.
2765 // If found, add it and return success
2766 for (i = 0; i < MAX_CONTAINED_RESOURCES; i++)
2768 if (!resource->rsrcResources[i])
2770 resource->rsrcResources[i] = (OCResource *) resourceHandle;
2771 OC_LOG(INFO, TAG, PCF("resource bound"));
2773 #ifdef WITH_PRESENCE
2774 if(presenceResource.handle)
2776 ((OCResource *)presenceResource.handle)->sequenceNum = OCGetRandom();
2777 SendPresenceNotification(((OCResource *) resourceHandle)->rsrcType,
2778 OC_PRESENCE_TRIGGER_CHANGE);
2786 // Unable to add resourceHandle, so return error
2787 return OC_STACK_ERROR;
2790 OCStackResult OCUnBindResource(
2791 OCResourceHandle collectionHandle, OCResourceHandle resourceHandle)
2793 OCResource *resource = NULL;
2796 OC_LOG(INFO, TAG, PCF("Entering OCUnBindResource"));
2798 // Validate parameters
2799 VERIFY_NON_NULL(collectionHandle, ERROR, OC_STACK_ERROR);
2800 VERIFY_NON_NULL(resourceHandle, ERROR, OC_STACK_ERROR);
2801 // Container cannot contain itself
2802 if (collectionHandle == resourceHandle)
2804 OC_LOG(ERROR, TAG, PCF("removing handle equals collection handle"));
2805 return OC_STACK_INVALID_PARAM;
2808 // Use the handle to find the resource in the resource linked list
2809 resource = findResource((OCResource *) collectionHandle);
2812 OC_LOG(ERROR, TAG, PCF("Collection handle not found"));
2813 return OC_STACK_INVALID_PARAM;
2816 // Look for an open slot to add add the child resource.
2817 // If found, add it and return success
2818 for (i = 0; i < MAX_CONTAINED_RESOURCES; i++)
2820 if (resourceHandle == resource->rsrcResources[i])
2822 resource->rsrcResources[i] = (OCResource *) NULL;
2823 OC_LOG(INFO, TAG, PCF("resource unbound"));
2825 // Send notification when resource is unbounded successfully.
2826 #ifdef WITH_PRESENCE
2827 if(presenceResource.handle)
2829 ((OCResource *)presenceResource.handle)->sequenceNum = OCGetRandom();
2830 SendPresenceNotification(((OCResource *) resourceHandle)->rsrcType,
2831 OC_PRESENCE_TRIGGER_CHANGE);
2838 OC_LOG(INFO, TAG, PCF("resource not found in collection"));
2840 // Unable to add resourceHandle, so return error
2841 return OC_STACK_ERROR;
2844 OCStackResult BindResourceTypeToResource(OCResource* resource,
2845 const char *resourceTypeName)
2847 OCResourceType *pointer = NULL;
2849 OCStackResult result = OC_STACK_ERROR;
2851 VERIFY_NON_NULL(resourceTypeName, ERROR, OC_STACK_INVALID_PARAM);
2853 pointer = (OCResourceType *) OICCalloc(1, sizeof(OCResourceType));
2856 result = OC_STACK_NO_MEMORY;
2860 str = OICStrdup(resourceTypeName);
2863 result = OC_STACK_NO_MEMORY;
2866 pointer->resourcetypename = str;
2868 insertResourceType(resource, pointer);
2869 result = OC_STACK_OK;
2872 if (result != OC_STACK_OK)
2881 OCStackResult BindResourceInterfaceToResource(OCResource* resource,
2882 const char *resourceInterfaceName)
2884 OCResourceInterface *pointer = NULL;
2886 OCStackResult result = OC_STACK_ERROR;
2888 VERIFY_NON_NULL(resourceInterfaceName, ERROR, OC_STACK_INVALID_PARAM);
2890 OC_LOG_V(INFO, TAG, "Binding %s interface to %s", resourceInterfaceName, resource->uri);
2892 pointer = (OCResourceInterface *) OICCalloc(1, sizeof(OCResourceInterface));
2895 result = OC_STACK_NO_MEMORY;
2899 str = OICStrdup(resourceInterfaceName);
2902 result = OC_STACK_NO_MEMORY;
2905 pointer->name = str;
2907 // Bind the resourceinterface to the resource
2908 insertResourceInterface(resource, pointer);
2910 result = OC_STACK_OK;
2913 if (result != OC_STACK_OK)
2922 OCStackResult OCBindResourceTypeToResource(OCResourceHandle handle,
2923 const char *resourceTypeName)
2926 OCStackResult result = OC_STACK_ERROR;
2927 OCResource *resource = NULL;
2929 resource = findResource((OCResource *) handle);
2932 OC_LOG(ERROR, TAG, PCF("Resource not found"));
2933 return OC_STACK_ERROR;
2936 result = BindResourceTypeToResource(resource, resourceTypeName);
2938 #ifdef WITH_PRESENCE
2939 if(presenceResource.handle)
2941 ((OCResource *)presenceResource.handle)->sequenceNum = OCGetRandom();
2942 SendPresenceNotification(resource->rsrcType, OC_PRESENCE_TRIGGER_CHANGE);
2949 OCStackResult OCBindResourceInterfaceToResource(OCResourceHandle handle,
2950 const char *resourceInterfaceName)
2953 OCStackResult result = OC_STACK_ERROR;
2954 OCResource *resource = NULL;
2956 resource = findResource((OCResource *) handle);
2959 OC_LOG(ERROR, TAG, PCF("Resource not found"));
2960 return OC_STACK_ERROR;
2963 result = BindResourceInterfaceToResource(resource, resourceInterfaceName);
2965 #ifdef WITH_PRESENCE
2966 if(presenceResource.handle)
2968 ((OCResource *)presenceResource.handle)->sequenceNum = OCGetRandom();
2969 SendPresenceNotification(resource->rsrcType, OC_PRESENCE_TRIGGER_CHANGE);
2976 OCStackResult OCGetNumberOfResources(uint8_t *numResources)
2978 OCResource *pointer = headResource;
2980 VERIFY_NON_NULL(numResources, ERROR, OC_STACK_INVALID_PARAM);
2984 *numResources = *numResources + 1;
2985 pointer = pointer->next;
2990 OCResourceHandle OCGetResourceHandle(uint8_t index)
2992 OCResource *pointer = headResource;
2994 for( uint8_t i = 0; i < index && pointer; ++i)
2996 pointer = pointer->next;
2998 return (OCResourceHandle) pointer;
3001 OCStackResult OCDeleteResource(OCResourceHandle handle)
3005 OC_LOG(ERROR, TAG, PCF("Invalid handle for deletion"));
3006 return OC_STACK_INVALID_PARAM;
3009 OCResource *resource = findResource((OCResource *) handle);
3010 if (resource == NULL)
3012 OC_LOG(ERROR, TAG, PCF("Resource not found"));
3013 return OC_STACK_NO_RESOURCE;
3016 if (deleteResource((OCResource *) handle) != OC_STACK_OK)
3018 OC_LOG(ERROR, TAG, PCF("Error deleting resource"));
3019 return OC_STACK_ERROR;
3025 const char *OCGetResourceUri(OCResourceHandle handle)
3027 OCResource *resource = NULL;
3029 resource = findResource((OCResource *) handle);
3032 return resource->uri;
3034 return (const char *) NULL;
3037 OCResourceProperty OCGetResourceProperties(OCResourceHandle handle)
3039 OCResource *resource = NULL;
3041 resource = findResource((OCResource *) handle);
3044 return resource->resourceProperties;
3046 return (OCResourceProperty)-1;
3049 OCStackResult OCGetNumberOfResourceTypes(OCResourceHandle handle,
3050 uint8_t *numResourceTypes)
3052 OCResource *resource = NULL;
3053 OCResourceType *pointer = NULL;
3055 VERIFY_NON_NULL(numResourceTypes, ERROR, OC_STACK_INVALID_PARAM);
3056 VERIFY_NON_NULL(handle, ERROR, OC_STACK_INVALID_PARAM);
3058 *numResourceTypes = 0;
3060 resource = findResource((OCResource *) handle);
3063 pointer = resource->rsrcType;
3066 *numResourceTypes = *numResourceTypes + 1;
3067 pointer = pointer->next;
3073 const char *OCGetResourceTypeName(OCResourceHandle handle, uint8_t index)
3075 OCResourceType *resourceType = NULL;
3077 resourceType = findResourceTypeAtIndex(handle, index);
3080 return resourceType->resourcetypename;
3082 return (const char *) NULL;
3085 OCStackResult OCGetNumberOfResourceInterfaces(OCResourceHandle handle,
3086 uint8_t *numResourceInterfaces)
3088 OCResourceInterface *pointer = NULL;
3089 OCResource *resource = NULL;
3091 VERIFY_NON_NULL(handle, ERROR, OC_STACK_INVALID_PARAM);
3092 VERIFY_NON_NULL(numResourceInterfaces, ERROR, OC_STACK_INVALID_PARAM);
3094 *numResourceInterfaces = 0;
3095 resource = findResource((OCResource *) handle);
3098 pointer = resource->rsrcInterface;
3101 *numResourceInterfaces = *numResourceInterfaces + 1;
3102 pointer = pointer->next;
3108 const char *OCGetResourceInterfaceName(OCResourceHandle handle, uint8_t index)
3110 OCResourceInterface *resourceInterface = NULL;
3112 resourceInterface = findResourceInterfaceAtIndex(handle, index);
3113 if (resourceInterface)
3115 return resourceInterface->name;
3117 return (const char *) NULL;
3120 OCResourceHandle OCGetResourceHandleFromCollection(OCResourceHandle collectionHandle,
3123 OCResource *resource = NULL;
3125 if (index >= MAX_CONTAINED_RESOURCES)
3130 resource = findResource((OCResource *) collectionHandle);
3136 return resource->rsrcResources[index];
3139 OCStackResult OCBindResourceHandler(OCResourceHandle handle,
3140 OCEntityHandler entityHandler,
3141 void* callbackParam)
3143 OCResource *resource = NULL;
3145 // Validate parameters
3146 VERIFY_NON_NULL(handle, ERROR, OC_STACK_INVALID_PARAM);
3148 // Use the handle to find the resource in the resource linked list
3149 resource = findResource((OCResource *)handle);
3152 OC_LOG(ERROR, TAG, PCF("Resource not found"));
3153 return OC_STACK_ERROR;
3157 resource->entityHandler = entityHandler;
3158 resource->entityHandlerCallbackParam = callbackParam;
3160 #ifdef WITH_PRESENCE
3161 if(presenceResource.handle)
3163 ((OCResource *)presenceResource.handle)->sequenceNum = OCGetRandom();
3164 SendPresenceNotification(resource->rsrcType, OC_PRESENCE_TRIGGER_CHANGE);
3171 OCEntityHandler OCGetResourceHandler(OCResourceHandle handle)
3173 OCResource *resource = NULL;
3175 resource = findResource((OCResource *)handle);
3178 OC_LOG(ERROR, TAG, PCF("Resource not found"));
3183 return resource->entityHandler;
3186 void incrementSequenceNumber(OCResource * resPtr)
3188 // Increment the sequence number
3189 resPtr->sequenceNum += 1;
3190 if (resPtr->sequenceNum == MAX_SEQUENCE_NUMBER)
3192 resPtr->sequenceNum = OC_OFFSET_SEQUENCE_NUMBER+1;
3197 #ifdef WITH_PRESENCE
3198 OCStackResult SendPresenceNotification(OCResourceType *resourceType,
3199 OCPresenceTrigger trigger)
3201 OCResource *resPtr = NULL;
3202 OCStackResult result = OC_STACK_ERROR;
3203 OCMethod method = OC_REST_PRESENCE;
3204 uint32_t maxAge = 0;
3205 resPtr = findResource((OCResource *) presenceResource.handle);
3208 return OC_STACK_NO_RESOURCE;
3211 if((((OCResource *) presenceResource.handle)->resourceProperties) & OC_ACTIVE)
3213 maxAge = presenceResource.presenceTTL;
3215 result = SendAllObserverNotification(method, resPtr, maxAge,
3216 trigger, resourceType, OC_LOW_QOS);
3222 OCStackResult SendStopNotification()
3224 OCResource *resPtr = NULL;
3225 OCStackResult result = OC_STACK_ERROR;
3226 OCMethod method = OC_REST_PRESENCE;
3227 resPtr = findResource((OCResource *) presenceResource.handle);
3230 return OC_STACK_NO_RESOURCE;
3233 // maxAge is 0. ResourceType is NULL.
3234 result = SendAllObserverNotification(method, resPtr, 0, OC_PRESENCE_TRIGGER_DELETE,
3240 #endif // WITH_PRESENCE
3241 OCStackResult OCNotifyAllObservers(OCResourceHandle handle, OCQualityOfService qos)
3243 OCResource *resPtr = NULL;
3244 OCStackResult result = OC_STACK_ERROR;
3245 OCMethod method = OC_REST_NOMETHOD;
3246 uint32_t maxAge = 0;
3248 OC_LOG(INFO, TAG, PCF("Notifying all observers"));
3249 #ifdef WITH_PRESENCE
3250 if(handle == presenceResource.handle)
3254 #endif // WITH_PRESENCE
3255 VERIFY_NON_NULL(handle, ERROR, OC_STACK_ERROR);
3257 // Verify that the resource exists
3258 resPtr = findResource ((OCResource *) handle);
3261 return OC_STACK_NO_RESOURCE;
3265 //only increment in the case of regular observing (not presence)
3266 incrementSequenceNumber(resPtr);
3267 method = OC_REST_OBSERVE;
3268 maxAge = MAX_OBSERVE_AGE;
3269 #ifdef WITH_PRESENCE
3270 result = SendAllObserverNotification (method, resPtr, maxAge,
3271 OC_PRESENCE_TRIGGER_DELETE, NULL, qos);
3273 result = SendAllObserverNotification (method, resPtr, maxAge, qos);
3280 OCNotifyListOfObservers (OCResourceHandle handle,
3281 OCObservationId *obsIdList,
3282 uint8_t numberOfIds,
3283 const OCRepPayload *payload,
3284 OCQualityOfService qos)
3286 OC_LOG(INFO, TAG, PCF("Entering OCNotifyListOfObservers"));
3288 OCResource *resPtr = NULL;
3289 //TODO: we should allow the server to define this
3290 uint32_t maxAge = MAX_OBSERVE_AGE;
3292 VERIFY_NON_NULL(handle, ERROR, OC_STACK_ERROR);
3293 VERIFY_NON_NULL(obsIdList, ERROR, OC_STACK_ERROR);
3294 VERIFY_NON_NULL(payload, ERROR, OC_STACK_ERROR);
3296 resPtr = findResource ((OCResource *) handle);
3297 if (NULL == resPtr || myStackMode == OC_CLIENT)
3299 return OC_STACK_NO_RESOURCE;
3303 incrementSequenceNumber(resPtr);
3305 return (SendListObserverNotification(resPtr, obsIdList, numberOfIds,
3306 payload, maxAge, qos));
3309 OCStackResult OCDoResponse(OCEntityHandlerResponse *ehResponse)
3311 OCStackResult result = OC_STACK_ERROR;
3312 OCServerRequest *serverRequest = NULL;
3314 OC_LOG(INFO, TAG, PCF("Entering OCDoResponse"));
3316 // Validate input parameters
3317 VERIFY_NON_NULL(ehResponse, ERROR, OC_STACK_INVALID_PARAM);
3318 VERIFY_NON_NULL(ehResponse->requestHandle, ERROR, OC_STACK_INVALID_PARAM);
3321 // Get pointer to request info
3322 serverRequest = GetServerRequestUsingHandle((OCServerRequest *)ehResponse->requestHandle);
3325 // response handler in ocserverrequest.c. Usually HandleSingleResponse.
3326 result = serverRequest->ehResponseHandler(ehResponse);
3332 //-----------------------------------------------------------------------------
3333 // Private internal function definitions
3334 //-----------------------------------------------------------------------------
3335 static OCDoHandle GenerateInvocationHandle()
3337 OCDoHandle handle = NULL;
3338 // Generate token here, it will be deleted when the transaction is deleted
3339 handle = (OCDoHandle) OICMalloc(sizeof(uint8_t[CA_MAX_TOKEN_LEN]));
3342 OCFillRandomMem((uint8_t*)handle, sizeof(uint8_t[CA_MAX_TOKEN_LEN]));
3348 #ifdef WITH_PRESENCE
3349 OCStackResult OCChangeResourceProperty(OCResourceProperty * inputProperty,
3350 OCResourceProperty resourceProperties, uint8_t enable)
3354 return OC_STACK_INVALID_PARAM;
3356 if (resourceProperties
3357 > (OC_ACTIVE | OC_DISCOVERABLE | OC_OBSERVABLE | OC_SLOW))
3359 OC_LOG(ERROR, TAG, PCF("Invalid property"));
3360 return OC_STACK_INVALID_PARAM;
3364 *inputProperty = (OCResourceProperty) (*inputProperty & ~(resourceProperties));
3368 *inputProperty = (OCResourceProperty) (*inputProperty | resourceProperties);
3374 OCStackResult initResources()
3376 OCStackResult result = OC_STACK_OK;
3378 headResource = NULL;
3379 tailResource = NULL;
3380 // Init Virtual Resources
3381 #ifdef WITH_PRESENCE
3382 presenceResource.presenceTTL = OC_DEFAULT_PRESENCE_TTL_SECONDS;
3384 result = OCCreateResource(&presenceResource.handle,
3385 OC_RSRVD_RESOURCE_TYPE_PRESENCE,
3387 OC_RSRVD_PRESENCE_URI,
3391 //make resource inactive
3392 result = OCChangeResourceProperty(
3393 &(((OCResource *) presenceResource.handle)->resourceProperties),
3397 if (result == OC_STACK_OK)
3399 result = SRMInitSecureResources();
3405 void insertResource(OCResource *resource)
3409 headResource = resource;
3410 tailResource = resource;
3414 tailResource->next = resource;
3415 tailResource = resource;
3417 resource->next = NULL;
3420 OCResource *findResource(OCResource *resource)
3422 OCResource *pointer = headResource;
3426 if (pointer == resource)
3430 pointer = pointer->next;
3435 void deleteAllResources()
3437 OCResource *pointer = headResource;
3438 OCResource *temp = NULL;
3442 temp = pointer->next;
3443 #ifdef WITH_PRESENCE
3444 if(pointer != (OCResource *) presenceResource.handle)
3446 #endif // WITH_PRESENCE
3447 deleteResource(pointer);
3448 #ifdef WITH_PRESENCE
3450 #endif // WITH_PRESENCE
3454 SRMDeInitSecureResources();
3456 #ifdef WITH_PRESENCE
3457 // Ensure that the last resource to be deleted is the presence resource. This allows for all
3458 // presence notification attributed to their deletion to be processed.
3459 deleteResource((OCResource *) presenceResource.handle);
3460 #endif // WITH_PRESENCE
3463 OCStackResult deleteResource(OCResource *resource)
3465 OCResource *prev = NULL;
3466 OCResource *temp = NULL;
3469 OC_LOG_V(DEBUG,TAG,"resource is NULL");
3470 return OC_STACK_INVALID_PARAM;
3473 OC_LOG_V (INFO, TAG, "Deleting resource %s", resource->uri);
3475 temp = headResource;
3478 if (temp == resource)
3480 // Invalidate all Resource Properties.
3481 resource->resourceProperties = (OCResourceProperty) 0;
3482 #ifdef WITH_PRESENCE
3483 if(resource != (OCResource *) presenceResource.handle)
3485 #endif // WITH_PRESENCE
3486 OCNotifyAllObservers((OCResourceHandle)resource, OC_HIGH_QOS);
3487 #ifdef WITH_PRESENCE
3490 if(presenceResource.handle)
3492 ((OCResource *)presenceResource.handle)->sequenceNum = OCGetRandom();
3493 SendPresenceNotification(resource->rsrcType, OC_PRESENCE_TRIGGER_DELETE);
3496 // Only resource in list.
3497 if (temp == headResource && temp == tailResource)
3499 headResource = NULL;
3500 tailResource = NULL;
3503 else if (temp == headResource)
3505 headResource = temp->next;
3508 else if (temp == tailResource)
3510 tailResource = prev;
3511 tailResource->next = NULL;
3515 prev->next = temp->next;
3518 deleteResourceElements(temp);
3529 return OC_STACK_ERROR;
3532 void deleteResourceElements(OCResource *resource)
3539 OICFree(resource->uri);
3540 deleteResourceType(resource->rsrcType);
3541 deleteResourceInterface(resource->rsrcInterface);
3544 void deleteResourceType(OCResourceType *resourceType)
3546 OCResourceType *pointer = resourceType;
3547 OCResourceType *next = NULL;
3551 next = pointer->next;
3552 OICFree(pointer->resourcetypename);
3558 void deleteResourceInterface(OCResourceInterface *resourceInterface)
3560 OCResourceInterface *pointer = resourceInterface;
3561 OCResourceInterface *next = NULL;
3565 next = pointer->next;
3566 OICFree(pointer->name);
3572 void insertResourceType(OCResource *resource, OCResourceType *resourceType)
3574 OCResourceType *pointer = NULL;
3575 OCResourceType *previous = NULL;
3576 if (!resource || !resourceType)
3580 // resource type list is empty.
3581 else if (!resource->rsrcType)
3583 resource->rsrcType = resourceType;
3587 pointer = resource->rsrcType;
3591 if (!strcmp(resourceType->resourcetypename, pointer->resourcetypename))
3593 OC_LOG_V(INFO, TAG, "Type %s already exists", resourceType->resourcetypename);
3594 OICFree(resourceType->resourcetypename);
3595 OICFree(resourceType);
3599 pointer = pointer->next;
3601 previous->next = resourceType;
3603 resourceType->next = NULL;
3605 OC_LOG_V(INFO, TAG, "Added type %s to %s", resourceType->resourcetypename, resource->uri);
3608 OCResourceType *findResourceTypeAtIndex(OCResourceHandle handle, uint8_t index)
3610 OCResource *resource = NULL;
3611 OCResourceType *pointer = NULL;
3613 // Find the specified resource
3614 resource = findResource((OCResource *) handle);
3620 // Make sure a resource has a resourcetype
3621 if (!resource->rsrcType)
3626 // Iterate through the list
3627 pointer = resource->rsrcType;
3628 for(uint8_t i = 0; i< index && pointer; ++i)
3630 pointer = pointer->next;
3635 OCResourceType *findResourceType(OCResourceType * resourceTypeList, const char * resourceTypeName)
3637 if(resourceTypeList && resourceTypeName)
3639 OCResourceType * rtPointer = resourceTypeList;
3640 while(resourceTypeName && rtPointer)
3642 if(rtPointer->resourcetypename &&
3643 strcmp(resourceTypeName, (const char *)
3644 (rtPointer->resourcetypename)) == 0)
3648 rtPointer = rtPointer->next;
3656 * Insert a new interface into interface linked list only if not already present.
3657 * If alredy present, 2nd arg is free'd.
3658 * Default interface will always be first if present.
3660 void insertResourceInterface(OCResource *resource, OCResourceInterface *newInterface)
3662 OCResourceInterface *pointer = NULL;
3663 OCResourceInterface *previous = NULL;
3665 newInterface->next = NULL;
3667 OCResourceInterface **firstInterface = &(resource->rsrcInterface);
3669 if (!*firstInterface)
3671 *firstInterface = newInterface;
3673 else if (strcmp(newInterface->name, OC_RSRVD_INTERFACE_DEFAULT) == 0)
3675 if (strcmp((*firstInterface)->name, OC_RSRVD_INTERFACE_DEFAULT) == 0)
3677 OICFree(newInterface->name);
3678 OICFree(newInterface);
3683 newInterface->next = *firstInterface;
3684 *firstInterface = newInterface;
3689 pointer = *firstInterface;
3692 if (strcmp(newInterface->name, pointer->name) == 0)
3694 OICFree(newInterface->name);
3695 OICFree(newInterface);
3699 pointer = pointer->next;
3701 previous->next = newInterface;
3705 OCResourceInterface *findResourceInterfaceAtIndex(OCResourceHandle handle,
3708 OCResource *resource = NULL;
3709 OCResourceInterface *pointer = NULL;
3711 // Find the specified resource
3712 resource = findResource((OCResource *) handle);
3718 // Make sure a resource has a resourceinterface
3719 if (!resource->rsrcInterface)
3724 // Iterate through the list
3725 pointer = resource->rsrcInterface;
3727 for (uint8_t i = 0; i < index && pointer; ++i)
3729 pointer = pointer->next;
3735 * This function splits the uri using the '?' delimiter.
3736 * "uriWithoutQuery" is the block of characters between the beginning
3737 * till the delimiter or '\0' which ever comes first.
3738 * "query" is whatever is to the right of the delimiter if present.
3739 * No delimiter sets the query to NULL.
3740 * If either are present, they will be malloc'ed into the params 2, 3.
3741 * The first param, *uri is left untouched.
3743 * NOTE: This function does not account for whitespace at the end of the uri NOR
3744 * malformed uri's with '??'. Whitespace at the end will be assumed to be
3745 * part of the query.
3747 OCStackResult getQueryFromUri(const char * uri, char** query, char ** uriWithoutQuery)
3751 return OC_STACK_INVALID_URI;
3753 if(!query || !uriWithoutQuery)
3755 return OC_STACK_INVALID_PARAM;
3759 *uriWithoutQuery = NULL;
3761 size_t uriWithoutQueryLen = 0;
3762 size_t queryLen = 0;
3763 size_t uriLen = strlen(uri);
3765 char *pointerToDelimiter = strstr(uri, "?");
3767 uriWithoutQueryLen = pointerToDelimiter == NULL ? uriLen : pointerToDelimiter - uri;
3768 queryLen = pointerToDelimiter == NULL ? 0 : uriLen - uriWithoutQueryLen - 1;
3770 if (uriWithoutQueryLen)
3772 *uriWithoutQuery = (char *) OICCalloc(uriWithoutQueryLen + 1, 1);
3773 if (!*uriWithoutQuery)
3777 OICStrcpy(*uriWithoutQuery, uriWithoutQueryLen +1, uri);
3781 *query = (char *) OICCalloc(queryLen + 1, 1);
3784 OICFree(*uriWithoutQuery);
3785 *uriWithoutQuery = NULL;
3788 OICStrcpy(*query, queryLen + 1, pointerToDelimiter + 1);
3794 return OC_STACK_NO_MEMORY;
3797 const uint8_t* OCGetServerInstanceID(void)
3799 static bool generated = false;
3800 static ServerID sid;
3806 if (OCGenerateUuid(sid) != RAND_UUID_OK)
3808 OC_LOG(FATAL, TAG, PCF("Generate UUID for Server Instance failed!"));
3815 const char* OCGetServerInstanceIDString(void)
3817 static bool generated = false;
3818 static char sidStr[UUID_STRING_SIZE];
3825 const uint8_t* sid = OCGetServerInstanceID();
3827 if(OCConvertUuidToString(sid, sidStr) != RAND_UUID_OK)
3829 OC_LOG(FATAL, TAG, PCF("Generate UUID String for Server Instance failed!"));
3837 CAResult_t OCSelectNetwork()
3839 CAResult_t retResult = CA_STATUS_FAILED;
3840 CAResult_t caResult = CA_STATUS_OK;
3842 CATransportAdapter_t connTypes[] = {
3844 CA_ADAPTER_RFCOMM_BTEDR,
3845 CA_ADAPTER_GATT_BTLE
3848 ,CA_ADAPTER_REMOTE_ACCESS
3851 int numConnTypes = sizeof(connTypes)/sizeof(connTypes[0]);
3853 for(int i = 0; i<numConnTypes; i++)
3855 // Ignore CA_NOT_SUPPORTED error. The CA Layer may have not compiled in the interface.
3856 if(caResult == CA_STATUS_OK || caResult == CA_NOT_SUPPORTED)
3858 caResult = CASelectNetwork(connTypes[i]);
3859 if(caResult == CA_STATUS_OK)
3861 retResult = CA_STATUS_OK;
3866 if(retResult != CA_STATUS_OK)
3868 return caResult; // Returns error of appropriate transport that failed fatally.
3874 OCStackResult CAResultToOCResult(CAResult_t caResult)
3880 case CA_STATUS_INVALID_PARAM:
3881 return OC_STACK_INVALID_PARAM;
3882 case CA_ADAPTER_NOT_ENABLED:
3883 return OC_STACK_ADAPTER_NOT_ENABLED;
3884 case CA_SERVER_STARTED_ALREADY:
3886 case CA_SERVER_NOT_STARTED:
3887 return OC_STACK_ERROR;
3888 case CA_DESTINATION_NOT_REACHABLE:
3889 return OC_STACK_COMM_ERROR;
3890 case CA_SOCKET_OPERATION_FAILED:
3891 return OC_STACK_COMM_ERROR;
3892 case CA_SEND_FAILED:
3893 return OC_STACK_COMM_ERROR;
3894 case CA_RECEIVE_FAILED:
3895 return OC_STACK_COMM_ERROR;
3896 case CA_MEMORY_ALLOC_FAILED:
3897 return OC_STACK_NO_MEMORY;
3898 case CA_REQUEST_TIMEOUT:
3899 return OC_STACK_TIMEOUT;
3900 case CA_DESTINATION_DISCONNECTED:
3901 return OC_STACK_COMM_ERROR;
3902 case CA_STATUS_FAILED:
3903 return OC_STACK_ERROR;
3904 case CA_NOT_SUPPORTED:
3905 return OC_STACK_NOTIMPL;
3907 return OC_STACK_ERROR;