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"
45 #include "ocserverrequest.h"
46 #include "secureresourcemanager.h"
47 #include "doxmresource.h"
49 #include "cainterface.h"
50 #include "ocpayload.h"
51 #include "ocpayloadcbor.h"
53 #if defined (ROUTING_GATEWAY) || defined (ROUTING_EP)
54 #include "routingutility.h"
55 #ifdef ROUTING_GATEWAY
56 #include "routingmanager.h"
65 #include "coap_time.h"
70 #include <arpa/inet.h>
74 #define UINT32_MAX (0xFFFFFFFFUL)
77 //-----------------------------------------------------------------------------
79 //-----------------------------------------------------------------------------
82 OC_STACK_UNINITIALIZED = 0,
84 OC_STACK_UNINIT_IN_PROGRESS
90 OC_PRESENCE_UNINITIALIZED = 0,
91 OC_PRESENCE_INITIALIZED
95 //-----------------------------------------------------------------------------
97 //-----------------------------------------------------------------------------
98 static OCStackState stackState = OC_STACK_UNINITIALIZED;
100 OCResource *headResource = NULL;
101 static OCResource *tailResource = NULL;
103 static OCPresenceState presenceState = OC_PRESENCE_UNINITIALIZED;
104 static PresenceResource presenceResource;
105 static uint8_t PresenceTimeOutSize = 0;
106 static uint32_t PresenceTimeOut[] = {50, 75, 85, 95, 100};
109 static OCMode myStackMode;
111 //TODO: revisit this design
112 static bool gRASetInfo = false;
114 OCDeviceEntityHandler defaultDeviceHandler;
115 void* defaultDeviceHandlerCallbackParameter = NULL;
118 static const char COAP_TCP[] = "coap+tcp:";
121 //-----------------------------------------------------------------------------
123 //-----------------------------------------------------------------------------
124 #define TAG "OCStack"
125 #define VERIFY_SUCCESS(op, successCode) { if ((op) != (successCode)) \
126 {OC_LOG_V(FATAL, TAG, "%s failed!!", #op); goto exit;} }
127 #define VERIFY_NON_NULL(arg, logLevel, retVal) { if (!(arg)) { OC_LOG((logLevel), \
128 TAG, #arg " is NULL"); return (retVal); } }
129 #define VERIFY_NON_NULL_NR(arg, logLevel) { if (!(arg)) { OC_LOG((logLevel), \
130 TAG, #arg " is NULL"); return; } }
131 #define VERIFY_NON_NULL_V(arg) { if (!arg) {OC_LOG_V(FATAL, TAG, "%s is NULL", #arg);\
134 //TODO: we should allow the server to define this
135 #define MAX_OBSERVE_AGE (0x2FFFFUL)
137 #define MILLISECONDS_PER_SECOND (1000)
139 //-----------------------------------------------------------------------------
140 // Private internal function prototypes
141 //-----------------------------------------------------------------------------
144 * Generate handle of OCDoResource invocation for callback management.
146 * @return Generated OCDoResource handle.
148 static OCDoHandle GenerateInvocationHandle();
151 * Initialize resource data structures, variables, etc.
153 * @return ::OC_STACK_OK on success, some other value upon failure.
155 static OCStackResult initResources();
158 * Add a resource to the end of the linked list of resources.
160 * @param resource Resource to be added
162 static void insertResource(OCResource *resource);
165 * Find a resource in the linked list of resources.
167 * @param resource Resource to be found.
168 * @return Pointer to resource that was found in the linked list or NULL if the resource was not
171 static OCResource *findResource(OCResource *resource);
174 * Insert a resource type into a resource's resource type linked list.
175 * If resource type already exists, it will not be inserted and the
176 * resourceType will be free'd.
177 * resourceType->next should be null to avoid memory leaks.
178 * Function returns silently for null args.
180 * @param resource Resource where resource type is to be inserted.
181 * @param resourceType Resource type to be inserted.
183 static void insertResourceType(OCResource *resource,
184 OCResourceType *resourceType);
187 * Get a resource type at the specified index within a resource.
189 * @param handle Handle of resource.
190 * @param index Index of resource type.
192 * @return Pointer to resource type if found, NULL otherwise.
194 static OCResourceType *findResourceTypeAtIndex(OCResourceHandle handle,
198 * Insert a resource interface into a resource's resource interface linked list.
199 * If resource interface already exists, it will not be inserted and the
200 * resourceInterface will be free'd.
201 * resourceInterface->next should be null to avoid memory leaks.
203 * @param resource Resource where resource interface is to be inserted.
204 * @param resourceInterface Resource interface to be inserted.
206 static void insertResourceInterface(OCResource *resource,
207 OCResourceInterface *resourceInterface);
210 * Get a resource interface at the specified index within a resource.
212 * @param handle Handle of resource.
213 * @param index Index of resource interface.
215 * @return Pointer to resource interface if found, NULL otherwise.
217 static OCResourceInterface *findResourceInterfaceAtIndex(
218 OCResourceHandle handle, uint8_t index);
221 * Delete all of the dynamically allocated elements that were created for the resource type.
223 * @param resourceType Specified resource type.
225 static void deleteResourceType(OCResourceType *resourceType);
228 * Delete all of the dynamically allocated elements that were created for the resource interface.
230 * @param resourceInterface Specified resource interface.
232 static void deleteResourceInterface(OCResourceInterface *resourceInterface);
235 * Delete all of the dynamically allocated elements that were created for the resource.
237 * @param resource Specified resource.
239 static void deleteResourceElements(OCResource *resource);
242 * Delete resource specified by handle. Deletes resource and all resourcetype and resourceinterface
245 * @param handle Handle of resource to be deleted.
247 * @return ::OC_STACK_OK on success, some other value upon failure.
249 static OCStackResult deleteResource(OCResource *resource);
252 * Delete all of the resources in the resource list.
254 static void deleteAllResources();
257 * Increment resource sequence number. Handles rollover.
259 * @param resPtr Pointer to resource.
261 static void incrementSequenceNumber(OCResource * resPtr);
264 * Verify the lengths of the URI and the query separately.
266 * @param inputUri Input URI and query.
267 * @param uriLen The length of the initial URI with query.
268 * @return ::OC_STACK_OK on success, some other value upon failure.
270 static OCStackResult verifyUriQueryLength(const char * inputUri,
274 * Attempts to initialize every network interface that the CA Layer might have compiled in.
276 * Note: At least one interface must succeed to initialize. If all calls to @ref CASelectNetwork
277 * return something other than @ref CA_STATUS_OK, then this function fails.
279 * @return ::CA_STATUS_OK on success, some other value upon failure.
281 static CAResult_t OCSelectNetwork();
284 * Get the CoAP ticks after the specified number of milli-seconds.
286 * @param afterMilliSeconds Milli-seconds.
290 static uint32_t GetTicks(uint32_t afterMilliSeconds);
293 * Convert CAResponseResult_t to OCStackResult.
295 * @param caCode CAResponseResult_t code.
296 * @return ::OC_STACK_OK on success, some other value upon failure.
298 static OCStackResult CAToOCStackResult(CAResponseResult_t caCode);
301 * Convert OCStackResult to CAResponseResult_t.
303 * @param caCode OCStackResult code.
304 * @param method OCMethod method the return code replies to.
305 * @return ::CA_CONTENT on OK, some other value upon failure.
307 static CAResponseResult_t OCToCAStackResult(OCStackResult ocCode, OCMethod method);
310 * Convert OCTransportFlags_t to CATransportModifiers_t.
312 * @param ocConType OCTransportFlags_t input.
313 * @return CATransportFlags
315 static CATransportFlags_t OCToCATransportFlags(OCTransportFlags ocConType);
318 * Convert CATransportFlags_t to OCTransportModifiers_t.
320 * @param caConType CATransportFlags_t input.
321 * @return OCTransportFlags
323 static OCTransportFlags CAToOCTransportFlags(CATransportFlags_t caConType);
326 * Handle response from presence request.
328 * @param endPoint CA remote endpoint.
329 * @param responseInfo CA response info.
330 * @return ::OC_STACK_OK on success, some other value upon failure.
332 static OCStackResult HandlePresenceResponse(const CAEndpoint_t *endPoint,
333 const CAResponseInfo_t *responseInfo);
336 * This function will be called back by CA layer when a response is received.
338 * @param endPoint CA remote endpoint.
339 * @param responseInfo CA response info.
341 static void HandleCAResponses(const CAEndpoint_t* endPoint,
342 const CAResponseInfo_t* responseInfo);
345 * This function will be called back by CA layer when a request is received.
347 * @param endPoint CA remote endpoint.
348 * @param requestInfo CA request info.
350 static void HandleCARequests(const CAEndpoint_t* endPoint,
351 const CARequestInfo_t* requestInfo);
354 * Extract query from a URI.
356 * @param uri Full URI with query.
357 * @param query Pointer to string that will contain query.
358 * @param newURI Pointer to string that will contain URI.
359 * @return ::OC_STACK_OK on success, some other value upon failure.
361 static OCStackResult getQueryFromUri(const char * uri, char** resourceType, char ** newURI);
364 * Finds a resource type in an OCResourceType link-list.
366 * @param resourceTypeList The link-list to be searched through.
367 * @param resourceTypeName The key to search for.
369 * @return Resource type that matches the key (ie. resourceTypeName) or
370 * NULL if there is either an invalid parameter or this function was unable to find the key.
372 static OCResourceType *findResourceType(OCResourceType * resourceTypeList,
373 const char * resourceTypeName);
376 * Reset presence TTL for a ClientCB struct. ttlLevel will be set to 0.
377 * TTL will be set to maxAge.
379 * @param cbNode Callback Node for which presence ttl is to be reset.
380 * @param maxAge New value of ttl in seconds.
382 * @return ::OC_STACK_OK on success, some other value upon failure.
384 static OCStackResult ResetPresenceTTL(ClientCB *cbNode, uint32_t maxAgeSeconds);
387 * Ensure the accept header option is set appropriatly before sending the requests and routing
388 * header option is updated with destination.
390 * @param object CA remote endpoint.
391 * @param requestInfo CA request info.
393 * @return ::OC_STACK_OK on success, some other value upon failure.
395 static OCStackResult OCSendRequest(const CAEndpoint_t *object, CARequestInfo_t *requestInfo);
397 //-----------------------------------------------------------------------------
398 // Internal functions
399 //-----------------------------------------------------------------------------
401 uint32_t GetTicks(uint32_t afterMilliSeconds)
406 // Guard against overflow of uint32_t
407 if (afterMilliSeconds <= ((UINT32_MAX - (uint32_t)now) * MILLISECONDS_PER_SECOND) /
408 COAP_TICKS_PER_SECOND)
410 return now + (afterMilliSeconds * COAP_TICKS_PER_SECOND)/MILLISECONDS_PER_SECOND;
418 void CopyEndpointToDevAddr(const CAEndpoint_t *in, OCDevAddr *out)
420 VERIFY_NON_NULL_NR(in, FATAL);
421 VERIFY_NON_NULL_NR(out, FATAL);
423 out->adapter = (OCTransportAdapter)in->adapter;
424 out->flags = CAToOCTransportFlags(in->flags);
425 OICStrcpy(out->addr, sizeof(out->addr), in->addr);
426 out->port = in->port;
427 out->interface = in->interface;
428 #if defined (ROUTING_GATEWAY) || defined (ROUTING_EP)
429 memcpy(out->routeData, in->routeData, sizeof(out->routeData));
433 void CopyDevAddrToEndpoint(const OCDevAddr *in, CAEndpoint_t *out)
435 VERIFY_NON_NULL_NR(in, FATAL);
436 VERIFY_NON_NULL_NR(out, FATAL);
438 out->adapter = (CATransportAdapter_t)in->adapter;
439 out->flags = OCToCATransportFlags(in->flags);
440 OICStrcpy(out->addr, sizeof(out->addr), in->addr);
441 #if defined (ROUTING_GATEWAY) || defined (ROUTING_EP)
442 memcpy(out->routeData, in->routeData, sizeof(out->routeData));
444 out->port = in->port;
445 out->interface = in->interface;
448 void FixUpClientResponse(OCClientResponse *cr)
450 VERIFY_NON_NULL_NR(cr, FATAL);
452 cr->addr = &cr->devAddr;
453 cr->connType = (OCConnectivityType)
454 ((cr->devAddr.adapter << CT_ADAPTER_SHIFT) | (cr->devAddr.flags & CT_MASK_FLAGS));
457 static OCStackResult OCSendRequest(const CAEndpoint_t *object, CARequestInfo_t *requestInfo)
459 VERIFY_NON_NULL(object, FATAL, OC_STACK_INVALID_PARAM);
460 VERIFY_NON_NULL(requestInfo, FATAL, OC_STACK_INVALID_PARAM);
462 #if defined (ROUTING_GATEWAY) || defined (ROUTING_EP)
463 OCStackResult rmResult = RMAddInfo(object->routeData, &(requestInfo->info.options),
464 &(requestInfo->info.numOptions));
465 if (OC_STACK_OK != rmResult)
467 OC_LOG(ERROR, TAG, "Add destination option failed");
472 // OC stack prefer CBOR encoded payloads.
473 requestInfo->info.acceptFormat = CA_FORMAT_APPLICATION_CBOR;
474 CAResult_t result = CASendRequest(object, requestInfo);
475 if(CA_STATUS_OK != result)
477 OC_LOG_V(ERROR, TAG, "CASendRequest failed with CA error %u", result);
478 return CAResultToOCResult(result);
482 //-----------------------------------------------------------------------------
483 // Internal API function
484 //-----------------------------------------------------------------------------
486 // This internal function is called to update the stack with the status of
487 // observers and communication failures
488 OCStackResult OCStackFeedBack(CAToken_t token, uint8_t tokenLength, uint8_t status)
490 OCStackResult result = OC_STACK_ERROR;
491 ResourceObserver * observer = NULL;
492 OCEntityHandlerRequest ehRequest = {0};
496 case OC_OBSERVER_NOT_INTERESTED:
497 OC_LOG(DEBUG, TAG, "observer not interested in our notifications");
498 observer = GetObserverUsingToken (token, tokenLength);
501 result = FormOCEntityHandlerRequest(&ehRequest,
502 (OCRequestHandle)NULL,
505 (OCResourceHandle)NULL,
506 NULL, PAYLOAD_TYPE_REPRESENTATION,
508 OC_OBSERVE_DEREGISTER,
509 observer->observeId);
510 if(result != OC_STACK_OK)
514 observer->resource->entityHandler(OC_OBSERVE_FLAG, &ehRequest,
515 observer->resource->entityHandlerCallbackParam);
518 result = DeleteObserverUsingToken (token, tokenLength);
519 if(result == OC_STACK_OK)
521 OC_LOG(DEBUG, TAG, "Removed observer successfully");
525 result = OC_STACK_OK;
526 OC_LOG(DEBUG, TAG, "Observer Removal failed");
530 case OC_OBSERVER_STILL_INTERESTED:
531 OC_LOG(DEBUG, TAG, "observer still interested, reset the failedCount");
532 observer = GetObserverUsingToken (token, tokenLength);
535 observer->forceHighQos = 0;
536 observer->failedCommCount = 0;
537 result = OC_STACK_OK;
541 result = OC_STACK_OBSERVER_NOT_FOUND;
545 case OC_OBSERVER_FAILED_COMM:
546 OC_LOG(DEBUG, TAG, "observer is unreachable");
547 observer = GetObserverUsingToken (token, tokenLength);
550 if(observer->failedCommCount >= MAX_OBSERVER_FAILED_COMM)
552 result = FormOCEntityHandlerRequest(&ehRequest,
553 (OCRequestHandle)NULL,
556 (OCResourceHandle)NULL,
557 NULL, PAYLOAD_TYPE_REPRESENTATION,
559 OC_OBSERVE_DEREGISTER,
560 observer->observeId);
561 if(result != OC_STACK_OK)
563 return OC_STACK_ERROR;
565 observer->resource->entityHandler(OC_OBSERVE_FLAG, &ehRequest,
566 observer->resource->entityHandlerCallbackParam);
568 result = DeleteObserverUsingToken (token, tokenLength);
569 if(result == OC_STACK_OK)
571 OC_LOG(DEBUG, TAG, "Removed observer successfully");
575 result = OC_STACK_OK;
576 OC_LOG(DEBUG, TAG, "Observer Removal failed");
581 observer->failedCommCount++;
582 result = OC_STACK_CONTINUE;
584 observer->forceHighQos = 1;
585 OC_LOG_V(DEBUG, TAG, "Failed count for this observer is %d",observer->failedCommCount);
589 OC_LOG(ERROR, TAG, "Unknown status");
590 result = OC_STACK_ERROR;
595 OCStackResult CAToOCStackResult(CAResponseResult_t caCode)
597 OCStackResult ret = OC_STACK_ERROR;
602 ret = OC_STACK_RESOURCE_CREATED;
605 ret = OC_STACK_RESOURCE_DELETED;
612 ret = OC_STACK_INVALID_QUERY;
614 case CA_UNAUTHORIZED_REQ:
615 ret = OC_STACK_UNAUTHORIZED_REQ;
618 ret = OC_STACK_INVALID_OPTION;
621 ret = OC_STACK_NO_RESOURCE;
623 case CA_RETRANSMIT_TIMEOUT:
624 ret = OC_STACK_COMM_ERROR;
632 CAResponseResult_t OCToCAStackResult(OCStackResult ocCode, OCMethod method)
634 CAResponseResult_t ret = CA_INTERNAL_SERVER_ERROR;
643 // This Response Code is like HTTP 204 "No Content" but only used in
644 // response to POST and PUT requests.
648 // This Response Code is like HTTP 200 "OK" but only used in response to
653 // This should not happen but,
654 // give it a value just in case but output an error
656 OC_LOG_V(ERROR, TAG, "Unexpected OC_STACK_OK return code for method [d].", method);
659 case OC_STACK_RESOURCE_CREATED:
662 case OC_STACK_RESOURCE_DELETED:
665 case OC_STACK_INVALID_QUERY:
668 case OC_STACK_INVALID_OPTION:
671 case OC_STACK_NO_RESOURCE:
674 case OC_STACK_COMM_ERROR:
675 ret = CA_RETRANSMIT_TIMEOUT;
677 case OC_STACK_UNAUTHORIZED_REQ:
678 ret = CA_UNAUTHORIZED_REQ;
686 CATransportFlags_t OCToCATransportFlags(OCTransportFlags ocFlags)
688 CATransportFlags_t caFlags = (CATransportFlags_t)ocFlags;
690 // supply default behavior.
691 if ((caFlags & (CA_IPV6|CA_IPV4)) == 0)
693 caFlags = (CATransportFlags_t)(caFlags|CA_IPV6|CA_IPV4);
695 if ((caFlags & OC_MASK_SCOPE) == 0)
697 caFlags = (CATransportFlags_t)(caFlags|OC_SCOPE_LINK);
702 OCTransportFlags CAToOCTransportFlags(CATransportFlags_t caFlags)
704 return (OCTransportFlags)caFlags;
707 static OCStackResult ResetPresenceTTL(ClientCB *cbNode, uint32_t maxAgeSeconds)
709 uint32_t lowerBound = 0;
710 uint32_t higherBound = 0;
712 if (!cbNode || !cbNode->presence || !cbNode->presence->timeOut)
714 return OC_STACK_INVALID_PARAM;
717 OC_LOG_V(INFO, TAG, "Update presence TTL, time is %u", GetTicks(0));
719 cbNode->presence->TTL = maxAgeSeconds;
721 for (int index = 0; index < PresenceTimeOutSize; index++)
723 // Guard against overflow
724 if (cbNode->presence->TTL < (UINT32_MAX/(MILLISECONDS_PER_SECOND*PresenceTimeOut[index]))
727 lowerBound = GetTicks((PresenceTimeOut[index] *
728 cbNode->presence->TTL *
729 MILLISECONDS_PER_SECOND)/100);
733 lowerBound = GetTicks(UINT32_MAX);
736 if (cbNode->presence->TTL < (UINT32_MAX/(MILLISECONDS_PER_SECOND*PresenceTimeOut[index+1]))
739 higherBound = GetTicks((PresenceTimeOut[index + 1] *
740 cbNode->presence->TTL *
741 MILLISECONDS_PER_SECOND)/100);
745 higherBound = GetTicks(UINT32_MAX);
748 cbNode->presence->timeOut[index] = OCGetRandomRange(lowerBound, higherBound);
750 OC_LOG_V(DEBUG, TAG, "lowerBound timeout %d", lowerBound);
751 OC_LOG_V(DEBUG, TAG, "higherBound timeout %d", higherBound);
752 OC_LOG_V(DEBUG, TAG, "timeOut entry %d", cbNode->presence->timeOut[index]);
755 cbNode->presence->TTLlevel = 0;
757 OC_LOG_V(DEBUG, TAG, "this TTL level %d", cbNode->presence->TTLlevel);
761 const char *convertTriggerEnumToString(OCPresenceTrigger trigger)
763 if (trigger == OC_PRESENCE_TRIGGER_CREATE)
765 return OC_RSRVD_TRIGGER_CREATE;
767 else if (trigger == OC_PRESENCE_TRIGGER_CHANGE)
769 return OC_RSRVD_TRIGGER_CHANGE;
773 return OC_RSRVD_TRIGGER_DELETE;
777 OCPresenceTrigger convertTriggerStringToEnum(const char * triggerStr)
781 return OC_PRESENCE_TRIGGER_CREATE;
783 else if(strcmp(triggerStr, OC_RSRVD_TRIGGER_CREATE) == 0)
785 return OC_PRESENCE_TRIGGER_CREATE;
787 else if(strcmp(triggerStr, OC_RSRVD_TRIGGER_CHANGE) == 0)
789 return OC_PRESENCE_TRIGGER_CHANGE;
793 return OC_PRESENCE_TRIGGER_DELETE;
798 * The cononical presence allows constructed URIs to be string compared.
800 * requestUri must be a char array of size CA_MAX_URI_LENGTH
802 static int FormCanonicalPresenceUri(const CAEndpoint_t *endpoint, char *resourceUri,
805 VERIFY_NON_NULL(endpoint , FATAL, OC_STACK_INVALID_PARAM);
806 VERIFY_NON_NULL(resourceUri, FATAL, OC_STACK_INVALID_PARAM);
807 VERIFY_NON_NULL(presenceUri, FATAL, OC_STACK_INVALID_PARAM);
809 CAEndpoint_t *ep = (CAEndpoint_t *)endpoint;
811 if (ep->adapter == CA_ADAPTER_IP)
813 if ((ep->flags & CA_IPV6) && !(ep->flags & CA_IPV4))
815 if ('\0' == ep->addr[0]) // multicast
817 return snprintf(presenceUri, CA_MAX_URI_LENGTH, OC_RSRVD_PRESENCE_URI);
821 return snprintf(presenceUri, CA_MAX_URI_LENGTH, "coap://[%s]:%u%s",
822 ep->addr, ep->port, OC_RSRVD_PRESENCE_URI);
827 if ('\0' == ep->addr[0]) // multicast
829 OICStrcpy(ep->addr, sizeof(ep->addr), OC_MULTICAST_IP);
830 ep->port = OC_MULTICAST_PORT;
832 return snprintf(presenceUri, CA_MAX_URI_LENGTH, "coap://%s:%u%s",
833 ep->addr, ep->port, OC_RSRVD_PRESENCE_URI);
837 // might work for other adapters (untested, but better than nothing)
838 return snprintf(presenceUri, CA_MAX_URI_LENGTH, "coap://%s%s", ep->addr,
839 OC_RSRVD_PRESENCE_URI);
843 OCStackResult HandlePresenceResponse(const CAEndpoint_t *endpoint,
844 const CAResponseInfo_t *responseInfo)
846 VERIFY_NON_NULL(endpoint, FATAL, OC_STACK_INVALID_PARAM);
847 VERIFY_NON_NULL(responseInfo, FATAL, OC_STACK_INVALID_PARAM);
849 OCStackApplicationResult cbResult = OC_STACK_DELETE_TRANSACTION;
850 ClientCB * cbNode = NULL;
851 char *resourceTypeName = NULL;
852 OCClientResponse response = {.devAddr = {.adapter = OC_DEFAULT_ADAPTER}};
853 OCStackResult result = OC_STACK_ERROR;
856 char presenceUri[CA_MAX_URI_LENGTH];
858 int presenceSubscribe = 0;
859 int multicastPresenceSubscribe = 0;
861 if (responseInfo->result != CA_CONTENT)
863 OC_LOG_V(ERROR, TAG, "HandlePresenceResponse failed %d", responseInfo->result);
864 return OC_STACK_ERROR;
867 // check for unicast presence
868 uriLen = FormCanonicalPresenceUri(endpoint, OC_RSRVD_PRESENCE_URI, presenceUri);
869 if (uriLen < 0 || (size_t)uriLen >= sizeof (presenceUri))
871 return OC_STACK_INVALID_URI;
874 cbNode = GetClientCB(NULL, 0, NULL, presenceUri);
877 presenceSubscribe = 1;
881 // check for multiicast presence
882 CAEndpoint_t ep = { .adapter = endpoint->adapter,
883 .flags = endpoint->flags };
885 uriLen = FormCanonicalPresenceUri(&ep, OC_RSRVD_PRESENCE_URI, presenceUri);
887 cbNode = GetClientCB(NULL, 0, NULL, presenceUri);
890 multicastPresenceSubscribe = 1;
894 if (!presenceSubscribe && !multicastPresenceSubscribe)
896 OC_LOG(ERROR, TAG, "Received a presence notification, but no callback, ignoring");
900 response.payload = NULL;
901 response.result = OC_STACK_OK;
903 CopyEndpointToDevAddr(endpoint, &response.devAddr);
904 FixUpClientResponse(&response);
906 if (responseInfo->info.payload)
908 result = OCParsePayload(&response.payload,
909 PAYLOAD_TYPE_PRESENCE,
910 responseInfo->info.payload,
911 responseInfo->info.payloadSize);
913 if(result != OC_STACK_OK)
915 OC_LOG(ERROR, TAG, "Presence parse failed");
918 if(!response.payload || response.payload->type != PAYLOAD_TYPE_PRESENCE)
920 OC_LOG(ERROR, TAG, "Presence payload was wrong type");
921 result = OC_STACK_ERROR;
924 response.sequenceNumber = ((OCPresencePayload*)response.payload)->sequenceNumber;
925 resourceTypeName = ((OCPresencePayload*)response.payload)->resourceType;
926 maxAge = ((OCPresencePayload*)response.payload)->maxAge;
929 if (presenceSubscribe)
931 if(cbNode->sequenceNumber == response.sequenceNumber)
933 OC_LOG(INFO, TAG, "No presence change");
939 OC_LOG(INFO, TAG, "Stopping presence");
940 response.result = OC_STACK_PRESENCE_STOPPED;
943 OICFree(cbNode->presence->timeOut);
944 OICFree(cbNode->presence);
945 cbNode->presence = NULL;
950 if(!cbNode->presence)
952 cbNode->presence = (OCPresence *)OICMalloc(sizeof (OCPresence));
954 if(!(cbNode->presence))
956 OC_LOG(ERROR, TAG, "Could not allocate memory for cbNode->presence");
957 result = OC_STACK_NO_MEMORY;
961 VERIFY_NON_NULL_V(cbNode->presence);
962 cbNode->presence->timeOut = NULL;
963 cbNode->presence->timeOut = (uint32_t *)
964 OICMalloc(PresenceTimeOutSize * sizeof(uint32_t));
965 if(!(cbNode->presence->timeOut)){
967 "Could not allocate memory for cbNode->presence->timeOut");
968 OICFree(cbNode->presence);
969 result = OC_STACK_NO_MEMORY;
974 ResetPresenceTTL(cbNode, maxAge);
976 cbNode->sequenceNumber = response.sequenceNumber;
978 // Ensure that a filter is actually applied.
979 if( resourceTypeName && cbNode->filterResourceType)
981 if(!findResourceType(cbNode->filterResourceType, resourceTypeName))
990 // This is the multicast case
991 OCMulticastNode* mcNode = NULL;
992 mcNode = GetMCPresenceNode(presenceUri);
996 if(mcNode->nonce == response.sequenceNumber)
998 OC_LOG(INFO, TAG, "No presence change (Multicast)");
1001 mcNode->nonce = response.sequenceNumber;
1005 OC_LOG(INFO, TAG, "Stopping presence");
1006 response.result = OC_STACK_PRESENCE_STOPPED;
1011 char* uri = OICStrdup(presenceUri);
1015 "No Memory for URI to store in the presence node");
1016 result = OC_STACK_NO_MEMORY;
1020 result = AddMCPresenceNode(&mcNode, uri, response.sequenceNumber);
1021 if(result == OC_STACK_NO_MEMORY)
1024 "No Memory for Multicast Presence Node");
1028 // presence node now owns uri
1031 // Ensure that a filter is actually applied.
1032 if(resourceTypeName && cbNode->filterResourceType)
1034 if(!findResourceType(cbNode->filterResourceType, resourceTypeName))
1041 cbResult = cbNode->callBack(cbNode->context, cbNode->handle, &response);
1043 if (cbResult == OC_STACK_DELETE_TRANSACTION)
1045 FindAndDeleteClientCB(cbNode);
1049 OCPayloadDestroy(response.payload);
1053 void HandleCAResponses(const CAEndpoint_t* endPoint, const CAResponseInfo_t* responseInfo)
1055 VERIFY_NON_NULL_NR(endPoint, FATAL);
1056 VERIFY_NON_NULL_NR(responseInfo, FATAL);
1058 OC_LOG(INFO, TAG, "Enter HandleCAResponses");
1060 #if defined (ROUTING_GATEWAY) || defined (ROUTING_EP)
1061 #ifdef ROUTING_GATEWAY
1062 bool needRIHandling = false;
1064 * Routing manager is going to update either of endpoint or response or both.
1065 * This typecasting is done to avoid unnecessary duplication of Endpoint and responseInfo
1066 * RM can update "routeData" option in endPoint so that future RI requests can be sent to proper
1069 OCStackResult ret = RMHandleResponse((CAResponseInfo_t *)responseInfo, (CAEndpoint_t *)endPoint,
1071 if(ret != OC_STACK_OK || !needRIHandling)
1073 OC_LOG_V(INFO, TAG, "Routing status![%d]. Not forwarding to RI", ret);
1079 * Put source in sender endpoint so that the next packet from application can be routed to
1080 * proper destination and remove "RM" coap header option before passing request / response to
1081 * RI as this option will make no sense to either RI or application.
1083 RMUpdateInfo((CAHeaderOption_t **) &(responseInfo->info.options),
1084 (uint8_t *) &(responseInfo->info.numOptions),
1085 (CAEndpoint_t *) endPoint);
1088 if(responseInfo->info.resourceUri &&
1089 strcmp(responseInfo->info.resourceUri, OC_RSRVD_PRESENCE_URI) == 0)
1091 HandlePresenceResponse(endPoint, responseInfo);
1095 ClientCB *cbNode = GetClientCB(responseInfo->info.token,
1096 responseInfo->info.tokenLength, NULL, NULL);
1098 ResourceObserver * observer = GetObserverUsingToken (responseInfo->info.token,
1099 responseInfo->info.tokenLength);
1103 OC_LOG(INFO, TAG, "There is a cbNode associated with the response token");
1104 if(responseInfo->result == CA_EMPTY)
1106 OC_LOG(INFO, TAG, "Receiving A ACK/RESET for this token");
1107 // We do not have a case for the client to receive a RESET
1108 if(responseInfo->info.type == CA_MSG_ACKNOWLEDGE)
1110 //This is the case of receiving an ACK on a request to a slow resource!
1111 OC_LOG(INFO, TAG, "This is a pure ACK");
1112 //TODO: should we inform the client
1113 // app that at least the request was received at the server?
1116 else if(responseInfo->result == CA_RETRANSMIT_TIMEOUT)
1118 OC_LOG(INFO, TAG, "Receiving A Timeout for this token");
1119 OC_LOG(INFO, TAG, "Calling into application address space");
1121 OCClientResponse response =
1122 {.devAddr = {.adapter = OC_DEFAULT_ADAPTER}};
1123 CopyEndpointToDevAddr(endPoint, &response.devAddr);
1124 FixUpClientResponse(&response);
1125 response.resourceUri = responseInfo->info.resourceUri;
1126 memcpy(response.identity.id, responseInfo->info.identity.id,
1127 sizeof (response.identity.id));
1128 response.identity.id_length = responseInfo->info.identity.id_length;
1130 response.result = CAToOCStackResult(responseInfo->result);
1131 cbNode->callBack(cbNode->context,
1132 cbNode->handle, &response);
1133 FindAndDeleteClientCB(cbNode);
1137 OC_LOG(INFO, TAG, "This is a regular response, A client call back is found");
1138 OC_LOG(INFO, TAG, "Calling into application address space");
1140 OCClientResponse response =
1141 {.devAddr = {.adapter = OC_DEFAULT_ADAPTER}};
1142 response.sequenceNumber = OC_OBSERVE_NO_OPTION;
1143 CopyEndpointToDevAddr(endPoint, &response.devAddr);
1144 FixUpClientResponse(&response);
1145 response.resourceUri = responseInfo->info.resourceUri;
1146 memcpy(response.identity.id, responseInfo->info.identity.id,
1147 sizeof (response.identity.id));
1148 response.identity.id_length = responseInfo->info.identity.id_length;
1150 response.result = CAToOCStackResult(responseInfo->result);
1152 if(responseInfo->info.payload &&
1153 responseInfo->info.payloadSize)
1155 OCPayloadType type = PAYLOAD_TYPE_INVALID;
1156 // check the security resource
1157 if (SRMIsSecurityResourceURI(cbNode->requestUri))
1159 type = PAYLOAD_TYPE_SECURITY;
1161 else if (cbNode->method == OC_REST_DISCOVER)
1163 if (strncmp(OC_RSRVD_WELL_KNOWN_URI,cbNode->requestUri,
1164 sizeof(OC_RSRVD_WELL_KNOWN_URI) - 1) == 0)
1166 type = PAYLOAD_TYPE_DISCOVERY;
1168 else if (strcmp(cbNode->requestUri, OC_RSRVD_DEVICE_URI) == 0)
1170 type = PAYLOAD_TYPE_DEVICE;
1172 else if (strcmp(cbNode->requestUri, OC_RSRVD_PLATFORM_URI) == 0)
1174 type = PAYLOAD_TYPE_PLATFORM;
1176 else if (strcmp(cbNode->requestUri, OC_RSRVD_RD_URI) == 0)
1178 type = PAYLOAD_TYPE_RD;
1182 OC_LOG_V(ERROR, TAG, "Unknown Payload type in Discovery: %d %s",
1183 cbNode->method, cbNode->requestUri);
1187 else if (cbNode->method == OC_REST_GET ||
1188 cbNode->method == OC_REST_PUT ||
1189 cbNode->method == OC_REST_POST ||
1190 cbNode->method == OC_REST_OBSERVE ||
1191 cbNode->method == OC_REST_OBSERVE_ALL ||
1192 cbNode->method == OC_REST_DELETE)
1194 char targetUri[MAX_URI_LENGTH];
1195 snprintf(targetUri, MAX_URI_LENGTH, "%s?rt=%s",
1196 OC_RSRVD_RD_URI, OC_RSRVD_RESOURCE_TYPE_RDPUBLISH);
1197 if (strcmp(targetUri, cbNode->requestUri) == 0)
1199 type = PAYLOAD_TYPE_RD;
1201 if (type == PAYLOAD_TYPE_INVALID)
1203 OC_LOG_V(INFO, TAG, "Assuming PAYLOAD_TYPE_REPRESENTATION: %d %s",
1204 cbNode->method, cbNode->requestUri);
1205 type = PAYLOAD_TYPE_REPRESENTATION;
1210 OC_LOG_V(ERROR, TAG, "Unknown Payload type: %d %s",
1211 cbNode->method, cbNode->requestUri);
1215 if(OC_STACK_OK != OCParsePayload(&response.payload,
1217 responseInfo->info.payload,
1218 responseInfo->info.payloadSize))
1220 OC_LOG(ERROR, TAG, "Error converting payload");
1221 OCPayloadDestroy(response.payload);
1226 response.numRcvdVendorSpecificHeaderOptions = 0;
1227 if(responseInfo->info.numOptions > 0)
1230 //First option always with option ID is COAP_OPTION_OBSERVE if it is available.
1231 if(responseInfo->info.options[0].optionID == COAP_OPTION_OBSERVE)
1234 uint32_t observationOption;
1235 uint8_t* optionData = (uint8_t*)responseInfo->info.options[0].optionData;
1236 for (observationOption=0, i=0;
1237 i<sizeof(uint32_t) && i<responseInfo->info.options[0].optionLength;
1241 (observationOption << 8) | optionData[i];
1243 response.sequenceNumber = observationOption;
1245 response.numRcvdVendorSpecificHeaderOptions = responseInfo->info.numOptions - 1;
1250 response.numRcvdVendorSpecificHeaderOptions = responseInfo->info.numOptions;
1253 if(response.numRcvdVendorSpecificHeaderOptions > MAX_HEADER_OPTIONS)
1255 OC_LOG(ERROR, TAG, "#header options are more than MAX_HEADER_OPTIONS");
1256 OCPayloadDestroy(response.payload);
1260 for (uint8_t i = start; i < responseInfo->info.numOptions; i++)
1262 memcpy (&(response.rcvdVendorSpecificHeaderOptions[i-start]),
1263 &(responseInfo->info.options[i]), sizeof(OCHeaderOption));
1267 if (cbNode->method == OC_REST_OBSERVE &&
1268 response.sequenceNumber > OC_OFFSET_SEQUENCE_NUMBER &&
1269 response.sequenceNumber <= cbNode->sequenceNumber)
1271 OC_LOG_V(INFO, TAG, "Received stale notification. Number :%d",
1272 response.sequenceNumber);
1276 OCStackApplicationResult appFeedback = cbNode->callBack(cbNode->context,
1279 cbNode->sequenceNumber = response.sequenceNumber;
1281 if (appFeedback == OC_STACK_DELETE_TRANSACTION)
1283 FindAndDeleteClientCB(cbNode);
1287 // To keep discovery callbacks active.
1288 cbNode->TTL = GetTicks(MAX_CB_TIMEOUT_SECONDS *
1289 MILLISECONDS_PER_SECOND);
1293 //Need to send ACK when the response is CON
1294 if(responseInfo->info.type == CA_MSG_CONFIRM)
1296 SendDirectStackResponse(endPoint, responseInfo->info.messageId, CA_EMPTY,
1297 CA_MSG_ACKNOWLEDGE, 0, NULL, NULL, 0, NULL);
1300 OCPayloadDestroy(response.payload);
1307 OC_LOG(INFO, TAG, "There is an observer associated with the response token");
1308 if(responseInfo->result == CA_EMPTY)
1310 OC_LOG(INFO, TAG, "Receiving A ACK/RESET for this token");
1311 if(responseInfo->info.type == CA_MSG_RESET)
1313 OC_LOG(INFO, TAG, "This is a RESET");
1314 OCStackFeedBack(responseInfo->info.token, responseInfo->info.tokenLength,
1315 OC_OBSERVER_NOT_INTERESTED);
1317 else if(responseInfo->info.type == CA_MSG_ACKNOWLEDGE)
1319 OC_LOG(INFO, TAG, "This is a pure ACK");
1320 OCStackFeedBack(responseInfo->info.token, responseInfo->info.tokenLength,
1321 OC_OBSERVER_STILL_INTERESTED);
1324 else if(responseInfo->result == CA_RETRANSMIT_TIMEOUT)
1326 OC_LOG(INFO, TAG, "Receiving Time Out for an observer");
1327 OCStackFeedBack(responseInfo->info.token, responseInfo->info.tokenLength,
1328 OC_OBSERVER_FAILED_COMM);
1333 if(!cbNode && !observer)
1335 if(myStackMode == OC_CLIENT || myStackMode == OC_CLIENT_SERVER
1336 || myStackMode == OC_GATEWAY)
1338 OC_LOG(INFO, TAG, "This is a client, but no cbNode was found for token");
1339 if(responseInfo->result == CA_EMPTY)
1341 OC_LOG(INFO, TAG, "Receiving CA_EMPTY in the ocstack");
1345 OC_LOG(INFO, TAG, "Received a message without callbacks. Sending RESET");
1346 SendDirectStackResponse(endPoint, responseInfo->info.messageId, CA_EMPTY,
1347 CA_MSG_RESET, 0, NULL, NULL, 0, NULL);
1351 if(myStackMode == OC_SERVER || myStackMode == OC_CLIENT_SERVER
1352 || myStackMode == OC_GATEWAY)
1354 OC_LOG(INFO, TAG, "This is a server, but no observer was found for token");
1355 if (responseInfo->info.type == CA_MSG_ACKNOWLEDGE)
1357 OC_LOG_V(INFO, TAG, "Received ACK at server for messageId : %d",
1358 responseInfo->info.messageId);
1360 if (responseInfo->info.type == CA_MSG_RESET)
1362 OC_LOG_V(INFO, TAG, "Received RESET at server for messageId : %d",
1363 responseInfo->info.messageId);
1370 OC_LOG(INFO, TAG, "Exit HandleCAResponses");
1374 * This function handles error response from CA
1375 * code shall be added to handle the errors
1377 void HandleCAErrorResponse(const CAEndpoint_t *endPoint, const CAErrorInfo_t *errrorInfo)
1379 OC_LOG(INFO, TAG, "Enter HandleCAErrorResponse");
1381 if(NULL == endPoint)
1383 OC_LOG(ERROR, TAG, "endPoint is NULL");
1387 if(NULL == errrorInfo)
1389 OC_LOG(ERROR, TAG, "errrorInfo is NULL");
1392 OC_LOG(INFO, TAG, "Exit HandleCAErrorResponse");
1396 * This function sends out Direct Stack Responses. These are responses that are not coming
1397 * from the application entity handler. These responses have no payload and are usually ACKs,
1398 * RESETs or some error conditions that were caught by the stack.
1400 OCStackResult SendDirectStackResponse(const CAEndpoint_t* endPoint, const uint16_t coapID,
1401 const CAResponseResult_t responseResult, const CAMessageType_t type,
1402 const uint8_t numOptions, const CAHeaderOption_t *options,
1403 CAToken_t token, uint8_t tokenLength, const char *resourceUri)
1405 CAResponseInfo_t respInfo = {
1406 .result = responseResult
1408 respInfo.info.messageId = coapID;
1409 respInfo.info.numOptions = numOptions;
1410 respInfo.info.options = (CAHeaderOption_t*)options;
1411 respInfo.info.payload = NULL;
1412 respInfo.info.token = token;
1413 respInfo.info.tokenLength = tokenLength;
1414 respInfo.info.type = type;
1415 respInfo.info.resourceUri = OICStrdup (resourceUri);
1416 respInfo.info.acceptFormat = CA_FORMAT_UNDEFINED;
1418 #if defined (ROUTING_GATEWAY) || defined (ROUTING_EP)
1419 // Add the destination to route option from the endpoint->routeData.
1420 OCStackResult result = RMAddInfo(endPoint->routeData,
1421 &(respInfo.info.options),
1422 &(respInfo.info.numOptions));
1423 if(OC_STACK_OK != result)
1425 OC_LOG_V(ERROR, TAG, "Add routing option failed [%d]", result);
1430 CAResult_t caResult = CASendResponse(endPoint, &respInfo);
1432 // resourceUri in the info field is cloned in the CA layer and
1433 // thus ownership is still here.
1434 OICFree (respInfo.info.resourceUri);
1436 if(CA_STATUS_OK != caResult)
1438 OC_LOG(ERROR, TAG, "CASendResponse error");
1439 return CAResultToOCResult(caResult);
1444 //This function will be called back by CA layer when a request is received
1445 void HandleCARequests(const CAEndpoint_t* endPoint, const CARequestInfo_t* requestInfo)
1447 OC_LOG(INFO, TAG, "Enter HandleCARequests");
1450 OC_LOG(ERROR, TAG, "endPoint is NULL");
1456 OC_LOG(ERROR, TAG, "requestInfo is NULL");
1460 #if defined (ROUTING_GATEWAY) || defined (ROUTING_EP)
1461 #ifdef ROUTING_GATEWAY
1462 bool needRIHandling = false;
1464 * Routing manager is going to update either of endpoint or request or both.
1465 * This typecasting is done to avoid unnecessary duplication of Endpoint and requestInfo
1466 * RM can update "routeData" option in endPoint so that future RI requests can be sent to proper
1467 * destination. It can also remove "RM" coap header option before passing request / response to
1468 * RI as this option will make no sense to either RI or application.
1470 OCStackResult ret = RMHandleRequest((CARequestInfo_t *)requestInfo, (CAEndpoint_t *)endPoint,
1472 if(OC_STACK_OK != ret || !needRIHandling)
1474 OC_LOG_V(INFO, TAG, "Routing status![%d]. Not forwarding to RI", ret);
1480 * Put source in sender endpoint so that the next packet from application can be routed to
1481 * proper destination and remove RM header option.
1483 RMUpdateInfo((CAHeaderOption_t **) &(requestInfo->info.options),
1484 (uint8_t *) &(requestInfo->info.numOptions),
1485 (CAEndpoint_t *) endPoint);
1488 OCStackResult requestResult = OC_STACK_ERROR;
1490 if(myStackMode == OC_CLIENT)
1492 //TODO: should the client be responding to requests?
1496 OCServerProtocolRequest serverRequest = {0};
1498 OC_LOG_V(INFO, TAG, "Endpoint URI : %s", requestInfo->info.resourceUri);
1500 char * uriWithoutQuery = NULL;
1501 char * query = NULL;
1503 requestResult = getQueryFromUri(requestInfo->info.resourceUri, &query, &uriWithoutQuery);
1505 if (requestResult != OC_STACK_OK || !uriWithoutQuery)
1507 OC_LOG_V(ERROR, TAG, "getQueryFromUri() failed with OC error code %d\n", requestResult);
1510 OC_LOG_V(INFO, TAG, "URI without query: %s", uriWithoutQuery);
1511 OC_LOG_V(INFO, TAG, "Query : %s", query);
1513 if(strlen(uriWithoutQuery) < MAX_URI_LENGTH)
1515 OICStrcpy(serverRequest.resourceUrl, sizeof(serverRequest.resourceUrl), uriWithoutQuery);
1516 OICFree(uriWithoutQuery);
1520 OC_LOG(ERROR, TAG, "URI length exceeds MAX_URI_LENGTH.");
1521 OICFree(uriWithoutQuery);
1528 if(strlen(query) < MAX_QUERY_LENGTH)
1530 OICStrcpy(serverRequest.query, sizeof(serverRequest.query), query);
1535 OC_LOG(ERROR, TAG, "Query length exceeds MAX_QUERY_LENGTH.");
1541 if ((requestInfo->info.payload) && (0 < requestInfo->info.payloadSize))
1543 serverRequest.reqTotalSize = requestInfo->info.payloadSize;
1544 serverRequest.payload = (uint8_t *) OICMalloc(requestInfo->info.payloadSize);
1545 memcpy (serverRequest.payload, requestInfo->info.payload,
1546 requestInfo->info.payloadSize);
1550 serverRequest.reqTotalSize = 0;
1553 switch (requestInfo->method)
1556 serverRequest.method = OC_REST_GET;
1559 serverRequest.method = OC_REST_PUT;
1562 serverRequest.method = OC_REST_POST;
1565 serverRequest.method = OC_REST_DELETE;
1568 OC_LOG_V(ERROR, TAG, "Received CA method %d not supported", requestInfo->method);
1569 SendDirectStackResponse(endPoint, requestInfo->info.messageId, CA_BAD_REQ,
1570 requestInfo->info.type, requestInfo->info.numOptions,
1571 requestInfo->info.options, requestInfo->info.token,
1572 requestInfo->info.tokenLength, requestInfo->info.resourceUri);
1573 OICFree(serverRequest.payload);
1577 OC_LOG_BUFFER(INFO, TAG, (const uint8_t *)requestInfo->info.token,
1578 requestInfo->info.tokenLength);
1579 serverRequest.requestToken = (CAToken_t)OICMalloc(requestInfo->info.tokenLength);
1580 serverRequest.tokenLength = requestInfo->info.tokenLength;
1582 if (!serverRequest.requestToken)
1584 OC_LOG(FATAL, TAG, "Allocation for token failed.");
1585 SendDirectStackResponse(endPoint, requestInfo->info.messageId, CA_INTERNAL_SERVER_ERROR,
1586 requestInfo->info.type, requestInfo->info.numOptions,
1587 requestInfo->info.options, requestInfo->info.token,
1588 requestInfo->info.tokenLength, requestInfo->info.resourceUri);
1589 OICFree(serverRequest.payload);
1592 memcpy(serverRequest.requestToken, requestInfo->info.token, requestInfo->info.tokenLength);
1594 switch (requestInfo->info.acceptFormat)
1596 case CA_FORMAT_APPLICATION_CBOR:
1597 serverRequest.acceptFormat = OC_FORMAT_CBOR;
1599 case CA_FORMAT_UNDEFINED:
1600 serverRequest.acceptFormat = OC_FORMAT_UNDEFINED;
1603 serverRequest.acceptFormat = OC_FORMAT_UNSUPPORTED;
1606 if (requestInfo->info.type == CA_MSG_CONFIRM)
1608 serverRequest.qos = OC_HIGH_QOS;
1612 serverRequest.qos = OC_LOW_QOS;
1614 // CA does not need the following field
1615 // Are we sure CA does not need them? how is it responding to multicast
1616 serverRequest.delayedResNeeded = 0;
1618 serverRequest.coapID = requestInfo->info.messageId;
1620 CopyEndpointToDevAddr(endPoint, &serverRequest.devAddr);
1622 // copy vendor specific header options
1623 uint8_t tempNum = (requestInfo->info.numOptions);
1624 GetObserveHeaderOption(&serverRequest.observationOption, requestInfo->info.options, &tempNum);
1625 if (requestInfo->info.numOptions > MAX_HEADER_OPTIONS)
1628 "The request info numOptions is greater than MAX_HEADER_OPTIONS");
1629 SendDirectStackResponse(endPoint, requestInfo->info.messageId, CA_BAD_OPT,
1630 requestInfo->info.type, requestInfo->info.numOptions,
1631 requestInfo->info.options, requestInfo->info.token,
1632 requestInfo->info.tokenLength, requestInfo->info.resourceUri);
1633 OICFree(serverRequest.payload);
1634 OICFree(serverRequest.requestToken);
1637 serverRequest.numRcvdVendorSpecificHeaderOptions = tempNum;
1638 if (serverRequest.numRcvdVendorSpecificHeaderOptions)
1640 memcpy (&(serverRequest.rcvdVendorSpecificHeaderOptions), requestInfo->info.options,
1641 sizeof(CAHeaderOption_t)*tempNum);
1644 requestResult = HandleStackRequests (&serverRequest);
1646 // Send ACK to client as precursor to slow response
1647 if(requestResult == OC_STACK_SLOW_RESOURCE)
1649 SendDirectStackResponse(endPoint, requestInfo->info.messageId, CA_EMPTY,
1650 CA_MSG_ACKNOWLEDGE,0, NULL, NULL, 0, NULL);
1652 else if(requestResult != OC_STACK_OK)
1654 OC_LOG_V(ERROR, TAG, "HandleStackRequests failed. error: %d", requestResult);
1656 CAResponseResult_t stackResponse =
1657 OCToCAStackResult(requestResult, serverRequest.method);
1659 SendDirectStackResponse(endPoint, requestInfo->info.messageId, stackResponse,
1660 requestInfo->info.type, requestInfo->info.numOptions,
1661 requestInfo->info.options, requestInfo->info.token,
1662 requestInfo->info.tokenLength, requestInfo->info.resourceUri);
1664 // requestToken is fed to HandleStackRequests, which then goes to AddServerRequest.
1665 // The token is copied in there, and is thus still owned by this function.
1666 OICFree(serverRequest.payload);
1667 OICFree(serverRequest.requestToken);
1668 OC_LOG(INFO, TAG, "Exit HandleCARequests");
1671 OCStackResult HandleStackRequests(OCServerProtocolRequest * protocolRequest)
1673 OC_LOG(INFO, TAG, "Entering HandleStackRequests (OCStack Layer)");
1674 OCStackResult result = OC_STACK_ERROR;
1675 ResourceHandling resHandling;
1676 OCResource *resource;
1677 if(!protocolRequest)
1679 OC_LOG(ERROR, TAG, "protocolRequest is NULL");
1680 return OC_STACK_INVALID_PARAM;
1683 OCServerRequest * request = GetServerRequestUsingToken(protocolRequest->requestToken,
1684 protocolRequest->tokenLength);
1687 OC_LOG(INFO, TAG, "This is a new Server Request");
1688 result = AddServerRequest(&request, protocolRequest->coapID,
1689 protocolRequest->delayedResNeeded, 0, protocolRequest->method,
1690 protocolRequest->numRcvdVendorSpecificHeaderOptions,
1691 protocolRequest->observationOption, protocolRequest->qos,
1692 protocolRequest->query, protocolRequest->rcvdVendorSpecificHeaderOptions,
1693 protocolRequest->payload, protocolRequest->requestToken,
1694 protocolRequest->tokenLength, protocolRequest->resourceUrl,
1695 protocolRequest->reqTotalSize, protocolRequest->acceptFormat,
1696 &protocolRequest->devAddr);
1697 if (OC_STACK_OK != result)
1699 OC_LOG(ERROR, TAG, "Error adding server request");
1705 OC_LOG(ERROR, TAG, "Out of Memory");
1706 return OC_STACK_NO_MEMORY;
1709 if(!protocolRequest->reqMorePacket)
1711 request->requestComplete = 1;
1716 OC_LOG(INFO, TAG, "This is either a repeated or blocked Server Request");
1719 if(request->requestComplete)
1721 OC_LOG(INFO, TAG, "This Server Request is complete");
1722 result = DetermineResourceHandling (request, &resHandling, &resource);
1723 if (result == OC_STACK_OK)
1725 result = ProcessRequest(resHandling, resource, request);
1730 OC_LOG(INFO, TAG, "This Server Request is incomplete");
1731 result = OC_STACK_CONTINUE;
1736 bool validatePlatformInfo(OCPlatformInfo info)
1739 if (!info.platformID)
1741 OC_LOG(ERROR, TAG, "No platform ID found.");
1745 if (info.manufacturerName)
1747 size_t lenManufacturerName = strlen(info.manufacturerName);
1749 if(lenManufacturerName == 0 || lenManufacturerName > MAX_MANUFACTURER_NAME_LENGTH)
1751 OC_LOG(ERROR, TAG, "Manufacturer name fails length requirements.");
1757 OC_LOG(ERROR, TAG, "No manufacturer name present");
1761 if (info.manufacturerUrl)
1763 if(strlen(info.manufacturerUrl) > MAX_MANUFACTURER_URL_LENGTH)
1765 OC_LOG(ERROR, TAG, "Manufacturer url fails length requirements.");
1772 //-----------------------------------------------------------------------------
1774 //-----------------------------------------------------------------------------
1776 OCStackResult OCSetRAInfo(const OCRAInfo_t *raInfo)
1779 !raInfo->username ||
1780 !raInfo->hostname ||
1781 !raInfo->xmpp_domain)
1784 return OC_STACK_INVALID_PARAM;
1786 OCStackResult result = CAResultToOCResult(CASetRAInfo((const CARAInfo_t *) raInfo));
1787 gRASetInfo = (result == OC_STACK_OK)? true : false;
1793 OCStackResult OCInit(const char *ipAddr, uint16_t port, OCMode mode)
1797 return OCInit1(mode, OC_DEFAULT_FLAGS, OC_DEFAULT_FLAGS);
1800 OCStackResult OCInit1(OCMode mode, OCTransportFlags serverFlags, OCTransportFlags clientFlags)
1802 if(stackState == OC_STACK_INITIALIZED)
1804 OC_LOG(INFO, TAG, "Subsequent calls to OCInit() without calling \
1805 OCStop() between them are ignored.");
1809 #ifndef ROUTING_GATEWAY
1810 if (OC_GATEWAY == mode)
1812 OC_LOG(ERROR, TAG, "Routing Manager not supported");
1813 return OC_STACK_INVALID_PARAM;
1820 OC_LOG(ERROR, TAG, "Need to call OCSetRAInfo before calling OCInit");
1821 return OC_STACK_ERROR;
1825 OCStackResult result = OC_STACK_ERROR;
1826 OC_LOG(INFO, TAG, "Entering OCInit");
1829 if (!((mode == OC_CLIENT) || (mode == OC_SERVER) || (mode == OC_CLIENT_SERVER)
1830 || (mode == OC_GATEWAY)))
1832 OC_LOG(ERROR, TAG, "Invalid mode");
1833 return OC_STACK_ERROR;
1837 if (mode == OC_CLIENT || mode == OC_CLIENT_SERVER || mode == OC_GATEWAY)
1839 caglobals.client = true;
1841 if (mode == OC_SERVER || mode == OC_CLIENT_SERVER || mode == OC_GATEWAY)
1843 caglobals.server = true;
1846 caglobals.serverFlags = (CATransportFlags_t)serverFlags;
1847 if (!(caglobals.serverFlags & CA_IPFAMILY_MASK))
1849 caglobals.serverFlags = (CATransportFlags_t)(caglobals.serverFlags|CA_IPV4|CA_IPV6);
1851 caglobals.clientFlags = (CATransportFlags_t)clientFlags;
1852 if (!(caglobals.clientFlags & CA_IPFAMILY_MASK))
1854 caglobals.clientFlags = (CATransportFlags_t)(caglobals.clientFlags|CA_IPV4|CA_IPV6);
1858 if (!(caglobals.serverFlags & CA_IPFAMILY_MASK))
1860 caglobals.serverFlags = (CATransportFlags_t)(caglobals.serverFlags|CA_IPV4);
1862 if (!(caglobals.clientFlags & CA_IPFAMILY_MASK))
1864 caglobals.clientFlags = (CATransportFlags_t)(caglobals.clientFlags|CA_IPV4);
1868 defaultDeviceHandler = NULL;
1869 defaultDeviceHandlerCallbackParameter = NULL;
1872 result = CAResultToOCResult(CAInitialize());
1873 VERIFY_SUCCESS(result, OC_STACK_OK);
1875 result = CAResultToOCResult(OCSelectNetwork());
1876 VERIFY_SUCCESS(result, OC_STACK_OK);
1878 switch (myStackMode)
1881 CARegisterHandler(HandleCARequests, HandleCAResponses, HandleCAErrorResponse);
1882 result = CAResultToOCResult(CAStartDiscoveryServer());
1883 OC_LOG(INFO, TAG, "Client mode: CAStartDiscoveryServer");
1886 SRMRegisterHandler(HandleCARequests, HandleCAResponses, HandleCAErrorResponse);
1887 result = CAResultToOCResult(CAStartListeningServer());
1888 OC_LOG(INFO, TAG, "Server mode: CAStartListeningServer");
1890 case OC_CLIENT_SERVER:
1892 SRMRegisterHandler(HandleCARequests, HandleCAResponses, HandleCAErrorResponse);
1893 result = CAResultToOCResult(CAStartListeningServer());
1894 if(result == OC_STACK_OK)
1896 result = CAResultToOCResult(CAStartDiscoveryServer());
1900 VERIFY_SUCCESS(result, OC_STACK_OK);
1902 #ifdef WITH_PRESENCE
1903 PresenceTimeOutSize = sizeof (PresenceTimeOut) / sizeof (PresenceTimeOut[0]) - 1;
1904 #endif // WITH_PRESENCE
1906 //Update Stack state to initialized
1907 stackState = OC_STACK_INITIALIZED;
1909 // Initialize resource
1910 if(myStackMode != OC_CLIENT)
1912 result = initResources();
1915 // Initialize the SRM Policy Engine
1916 if(result == OC_STACK_OK)
1918 result = SRMInitPolicyEngine();
1919 // TODO after BeachHead delivery: consolidate into single SRMInit()
1922 #ifdef ROUTING_GATEWAY
1923 if (OC_GATEWAY == myStackMode)
1925 result = RMInitialize();
1930 if(result != OC_STACK_OK)
1932 OC_LOG(ERROR, TAG, "Stack initialization error");
1933 deleteAllResources();
1935 stackState = OC_STACK_UNINITIALIZED;
1940 OCStackResult OCStop()
1942 OC_LOG(INFO, TAG, "Entering OCStop");
1944 if (stackState == OC_STACK_UNINIT_IN_PROGRESS)
1946 OC_LOG(DEBUG, TAG, "Stack already stopping, exiting");
1949 else if (stackState != OC_STACK_INITIALIZED)
1951 OC_LOG(ERROR, TAG, "Stack not initialized");
1952 return OC_STACK_ERROR;
1955 stackState = OC_STACK_UNINIT_IN_PROGRESS;
1957 #ifdef WITH_PRESENCE
1958 // Ensure that the TTL associated with ANY and ALL presence notifications originating from
1959 // here send with the code "OC_STACK_PRESENCE_STOPPED" result.
1960 presenceResource.presenceTTL = 0;
1961 #endif // WITH_PRESENCE
1963 #ifdef ROUTING_GATEWAY
1964 if (OC_GATEWAY == myStackMode)
1970 // Free memory dynamically allocated for resources
1971 deleteAllResources();
1973 DeletePlatformInfo();
1975 // Remove all observers
1976 DeleteObserverList();
1977 // Remove all the client callbacks
1978 DeleteClientCBList();
1980 // De-init the SRM Policy Engine
1981 // TODO after BeachHead delivery: consolidate into single SRMDeInit()
1982 SRMDeInitPolicyEngine();
1985 stackState = OC_STACK_UNINITIALIZED;
1989 OCStackResult OCStartMulticastServer()
1991 if(stackState != OC_STACK_INITIALIZED)
1993 OC_LOG(ERROR, TAG, "OCStack is not initalized. Cannot start multicast server.");
1994 return OC_STACK_ERROR;
1996 CAResult_t ret = CAStartListeningServer();
1997 if (CA_STATUS_OK != ret)
1999 OC_LOG_V(ERROR, TAG, "Failed starting listening server: %d", ret);
2000 return OC_STACK_ERROR;
2005 OCStackResult OCStopMulticastServer()
2007 CAResult_t ret = CAStopListeningServer();
2008 if (CA_STATUS_OK != ret)
2010 OC_LOG_V(ERROR, TAG, "Failed stopping listening server: %d", ret);
2011 return OC_STACK_ERROR;
2016 CAMessageType_t qualityOfServiceToMessageType(OCQualityOfService qos)
2021 return CA_MSG_CONFIRM;
2026 return CA_MSG_NONCONFIRM;
2030 OCStackResult verifyUriQueryLength(const char *inputUri, uint16_t uriLen)
2034 query = strchr (inputUri, '?');
2038 if((query - inputUri) > MAX_URI_LENGTH)
2040 return OC_STACK_INVALID_URI;
2043 if((inputUri + uriLen - 1 - query) > MAX_QUERY_LENGTH)
2045 return OC_STACK_INVALID_QUERY;
2048 else if(uriLen > MAX_URI_LENGTH)
2050 return OC_STACK_INVALID_URI;
2056 * A request uri consists of the following components in order:
2059 * CoAP over UDP prefix "coap://"
2060 * CoAP over TCP prefix "coap+tcp://"
2062 * IPv6 address "[1234::5678]"
2063 * IPv4 address "192.168.1.1"
2064 * optional port ":5683"
2065 * resource uri "/oc/core..."
2067 * for PRESENCE requests, extract resource type.
2069 static OCStackResult ParseRequestUri(const char *fullUri,
2070 OCTransportAdapter adapter,
2071 OCTransportFlags flags,
2072 OCDevAddr **devAddr,
2074 char **resourceType)
2076 VERIFY_NON_NULL(fullUri, FATAL, OC_STACK_INVALID_CALLBACK);
2078 OCStackResult result = OC_STACK_OK;
2079 OCDevAddr *da = NULL;
2083 // provide defaults for all returned values
2090 *resourceUri = NULL;
2094 *resourceType = NULL;
2097 // delimit url prefix, if any
2098 const char *start = fullUri;
2099 char *slash2 = strstr(start, "//");
2104 char *slash = strchr(start, '/');
2107 return OC_STACK_INVALID_URI;
2111 // process url scheme
2112 size_t prefixLen = slash2 - fullUri;
2116 if ((prefixLen == sizeof(COAP_TCP) - 1) && (!strncmp(fullUri, COAP_TCP, prefixLen)))
2123 // TODO: this logic should come in with unit tests exercising the various strings
2124 // processs url prefix, if any
2125 size_t urlLen = slash - start;
2129 if (urlLen && devAddr)
2130 { // construct OCDevAddr
2131 if (start[0] == '[')
2133 char *close = strchr(++start, ']');
2134 if (!close || close > slash)
2136 return OC_STACK_INVALID_URI;
2139 if (close[1] == ':')
2143 adapter = (OCTransportAdapter)(adapter | OC_ADAPTER_IP);
2144 flags = (OCTransportFlags)(flags | OC_IP_USE_V6);
2148 char *dot = strchr(start, '.');
2149 if (dot && dot < slash)
2151 colon = strchr(start, ':');
2152 end = (colon && colon < slash) ? colon : slash;
2156 adapter = (OCTransportAdapter)(adapter | OC_ADAPTER_TCP);
2161 adapter = (OCTransportAdapter)(adapter | OC_ADAPTER_IP);
2162 flags = (OCTransportFlags)(flags | OC_IP_USE_V4);
2171 if (len >= sizeof(da->addr))
2173 return OC_STACK_INVALID_URI;
2175 // collect port, if any
2176 if (colon && colon < slash)
2178 for (colon++; colon < slash; colon++)
2181 if (c < '0' || c > '9')
2183 return OC_STACK_INVALID_URI;
2185 port = 10 * port + c - '0';
2190 if (len >= sizeof(da->addr))
2192 return OC_STACK_INVALID_URI;
2195 da = (OCDevAddr *)OICCalloc(sizeof (OCDevAddr), 1);
2198 return OC_STACK_NO_MEMORY;
2200 OICStrcpyPartial(da->addr, sizeof(da->addr), start, len);
2202 da->adapter = adapter;
2204 if (!strncmp(fullUri, "coaps:", 6))
2206 da->flags = (OCTransportFlags)(da->flags|CA_SECURE);
2211 // process resource uri, if any
2213 { // request uri and query
2214 size_t ulen = strlen(slash); // resource uri length
2215 size_t tlen = 0; // resource type length
2218 static const char strPresence[] = "/oic/ad?rt=";
2219 static const size_t lenPresence = sizeof(strPresence) - 1;
2220 if (!strncmp(slash, strPresence, lenPresence))
2222 type = slash + lenPresence;
2223 tlen = ulen - lenPresence;
2228 *resourceUri = (char *)OICMalloc(ulen + 1);
2231 result = OC_STACK_NO_MEMORY;
2234 strcpy(*resourceUri, slash);
2237 if (type && resourceType)
2239 *resourceType = (char *)OICMalloc(tlen + 1);
2242 result = OC_STACK_NO_MEMORY;
2246 OICStrcpy(*resourceType, (tlen+1), type);
2253 // free all returned values
2260 OICFree(*resourceUri);
2264 OICFree(*resourceType);
2269 static OCStackResult OCPreparePresence(CAEndpoint_t *endpoint,
2270 char *resourceUri, char **requestUri)
2272 char uri[CA_MAX_URI_LENGTH];
2274 FormCanonicalPresenceUri(endpoint, resourceUri, uri);
2276 *requestUri = OICStrdup(uri);
2279 return OC_STACK_NO_MEMORY;
2286 * Discover or Perform requests on a specified resource
2288 OCStackResult OCDoResource(OCDoHandle *handle,
2290 const char *requestUri,
2291 const OCDevAddr *destination,
2293 OCConnectivityType connectivityType,
2294 OCQualityOfService qos,
2295 OCCallbackData *cbData,
2296 OCHeaderOption *options,
2299 OC_LOG(INFO, TAG, "Entering OCDoResource");
2301 // Validate input parameters
2302 VERIFY_NON_NULL(cbData, FATAL, OC_STACK_INVALID_CALLBACK);
2303 VERIFY_NON_NULL(cbData->cb, FATAL, OC_STACK_INVALID_CALLBACK);
2304 VERIFY_NON_NULL(requestUri , FATAL, OC_STACK_INVALID_URI);
2306 OCStackResult result = OC_STACK_ERROR;
2307 CAResult_t caResult;
2308 CAToken_t token = NULL;
2309 uint8_t tokenLength = CA_MAX_TOKEN_LEN;
2310 ClientCB *clientCB = NULL;
2311 OCDoHandle resHandle = NULL;
2312 CAEndpoint_t endpoint = {.adapter = CA_DEFAULT_ADAPTER};
2313 OCDevAddr tmpDevAddr = { OC_DEFAULT_ADAPTER };
2315 OCTransportAdapter adapter;
2316 OCTransportFlags flags;
2317 // the request contents are put here
2318 CARequestInfo_t requestInfo = {.method = CA_GET};
2319 // requestUri will be parsed into the following three variables
2320 OCDevAddr *devAddr = NULL;
2321 char *resourceUri = NULL;
2322 char *resourceType = NULL;
2324 // To track if memory is allocated for additional header options
2325 uint8_t hdrOptionMemAlloc = 0;
2327 // This validation is broken, but doesn't cause harm
2328 size_t uriLen = strlen(requestUri );
2329 if ((result = verifyUriQueryLength(requestUri , uriLen)) != OC_STACK_OK)
2335 * Support original behavior with address on resourceUri argument.
2337 adapter = (OCTransportAdapter)(connectivityType >> CT_ADAPTER_SHIFT);
2338 flags = (OCTransportFlags)(connectivityType & CT_MASK_FLAGS);
2340 result = ParseRequestUri(requestUri, adapter, flags, &devAddr, &resourceUri, &resourceType);
2342 if (result != OC_STACK_OK)
2344 OC_LOG_V(DEBUG, TAG, "Unable to parse uri: %s", requestUri);
2351 case OC_REST_OBSERVE:
2352 case OC_REST_OBSERVE_ALL:
2353 case OC_REST_CANCEL_OBSERVE:
2354 requestInfo.method = CA_GET;
2357 requestInfo.method = CA_PUT;
2360 requestInfo.method = CA_POST;
2362 case OC_REST_DELETE:
2363 requestInfo.method = CA_DELETE;
2365 case OC_REST_DISCOVER:
2367 if (destination || devAddr)
2369 requestInfo.isMulticast = false;
2373 tmpDevAddr.adapter = adapter;
2374 tmpDevAddr.flags = flags;
2375 destination = &tmpDevAddr;
2376 requestInfo.isMulticast = true;
2378 // CA_DISCOVER will become GET and isMulticast
2379 requestInfo.method = CA_GET;
2381 #ifdef WITH_PRESENCE
2382 case OC_REST_PRESENCE:
2383 // Replacing method type with GET because "presence"
2384 // is a stack layer only implementation.
2385 requestInfo.method = CA_GET;
2389 result = OC_STACK_INVALID_METHOD;
2393 if (!devAddr && !destination)
2395 OC_LOG(DEBUG, TAG, "no devAddr and no destination");
2396 result = OC_STACK_INVALID_PARAM;
2400 /* If not original behavior, use destination argument */
2401 if (destination && !devAddr)
2403 devAddr = (OCDevAddr *)OICMalloc(sizeof (OCDevAddr));
2406 result = OC_STACK_NO_MEMORY;
2409 *devAddr = *destination;
2412 resHandle = GenerateInvocationHandle();
2415 result = OC_STACK_NO_MEMORY;
2419 caResult = CAGenerateToken(&token, tokenLength);
2420 if (caResult != CA_STATUS_OK)
2422 OC_LOG(ERROR, TAG, "CAGenerateToken error");
2423 result= OC_STACK_ERROR;
2427 // fill in request data
2428 requestInfo.info.type = qualityOfServiceToMessageType(qos);
2429 requestInfo.info.token = token;
2430 requestInfo.info.tokenLength = tokenLength;
2431 requestInfo.info.resourceUri = resourceUri;
2433 if ((method == OC_REST_OBSERVE) || (method == OC_REST_OBSERVE_ALL))
2435 result = CreateObserveHeaderOption (&(requestInfo.info.options),
2436 options, numOptions, OC_OBSERVE_REGISTER);
2437 if (result != OC_STACK_OK)
2441 hdrOptionMemAlloc = 1;
2442 requestInfo.info.numOptions = numOptions + 1;
2446 requestInfo.info.options = (CAHeaderOption_t*)options;
2447 requestInfo.info.numOptions = numOptions;
2450 CopyDevAddrToEndpoint(devAddr, &endpoint);
2455 OCConvertPayload(payload, &requestInfo.info.payload, &requestInfo.info.payloadSize))
2458 OC_LOG(ERROR, TAG, "Failed to create CBOR Payload");
2461 requestInfo.info.payloadFormat = CA_FORMAT_APPLICATION_CBOR;
2465 requestInfo.info.payload = NULL;
2466 requestInfo.info.payloadSize = 0;
2467 requestInfo.info.payloadFormat = CA_FORMAT_UNDEFINED;
2470 if (result != OC_STACK_OK)
2472 OC_LOG(ERROR, TAG, "CACreateEndpoint error");
2476 // prepare for response
2477 #ifdef WITH_PRESENCE
2478 if (method == OC_REST_PRESENCE)
2480 char *presenceUri = NULL;
2481 result = OCPreparePresence(&endpoint, resourceUri, &presenceUri);
2482 if (OC_STACK_OK != result)
2487 // Assign full presence uri as coap://ip:port/oic/ad to add to callback list.
2488 // Presence notification will form a canonical uri to
2489 // look for callbacks into the application.
2490 resourceUri = presenceUri;
2494 ttl = GetTicks(MAX_CB_TIMEOUT_SECONDS * MILLISECONDS_PER_SECOND);
2495 result = AddClientCB(&clientCB, cbData, token, tokenLength, &resHandle,
2496 method, devAddr, resourceUri, resourceType, ttl);
2497 if (OC_STACK_OK != result)
2502 devAddr = NULL; // Client CB list entry now owns it
2503 resourceUri = NULL; // Client CB list entry now owns it
2504 resourceType = NULL; // Client CB list entry now owns it
2507 result = OCSendRequest(&endpoint, &requestInfo);
2508 if (OC_STACK_OK != result)
2515 *handle = resHandle;
2519 if (result != OC_STACK_OK)
2521 OC_LOG(ERROR, TAG, "OCDoResource error");
2522 FindAndDeleteClientCB(clientCB);
2523 CADestroyToken(token);
2531 // This is the owner of the payload object, so we free it
2532 OCPayloadDestroy(payload);
2533 OICFree(requestInfo.info.payload);
2535 OICFree(resourceUri);
2536 OICFree(resourceType);
2537 if (hdrOptionMemAlloc)
2539 OICFree(requestInfo.info.options);
2544 OCStackResult OCCancel(OCDoHandle handle, OCQualityOfService qos, OCHeaderOption * options,
2548 * This ftn is implemented one of two ways in the case of observation:
2550 * 1. qos == OC_NON_CONFIRMABLE. When observe is unobserved..
2551 * Remove the callback associated on client side.
2552 * When the next notification comes in from server,
2553 * reply with RESET message to server.
2554 * Keep in mind that the server will react to RESET only
2555 * if the last notification was sent as CON
2557 * 2. qos == OC_CONFIRMABLE. When OCCancel is called,
2558 * and it is associated with an observe request
2559 * (i.e. ClientCB->method == OC_REST_OBSERVE || OC_REST_OBSERVE_ALL),
2560 * Send CON Observe request to server with
2561 * observe flag = OC_RESOURCE_OBSERVE_DEREGISTER.
2562 * Remove the callback associated on client side.
2564 OCStackResult ret = OC_STACK_OK;
2565 CAEndpoint_t endpoint = {.adapter = CA_DEFAULT_ADAPTER};
2566 CAInfo_t requestData = {.type = CA_MSG_CONFIRM};
2567 CARequestInfo_t requestInfo = {.method = CA_GET};
2571 return OC_STACK_INVALID_PARAM;
2574 ClientCB *clientCB = GetClientCB(NULL, 0, handle, NULL);
2577 OC_LOG(ERROR, TAG, "Client callback not found. Called OCCancel twice?");
2581 switch (clientCB->method)
2583 case OC_REST_OBSERVE:
2584 case OC_REST_OBSERVE_ALL:
2585 OC_LOG_V(INFO, TAG, "Canceling observation for resource %s",
2586 clientCB->requestUri);
2587 if (qos != OC_HIGH_QOS)
2589 FindAndDeleteClientCB(clientCB);
2594 OC_LOG(INFO, TAG, "Cancelling observation as CONFIRMABLE");
2597 requestData.type = qualityOfServiceToMessageType(qos);
2598 requestData.token = clientCB->token;
2599 requestData.tokenLength = clientCB->tokenLength;
2600 if (CreateObserveHeaderOption (&(requestData.options),
2601 options, numOptions, OC_OBSERVE_DEREGISTER) != OC_STACK_OK)
2603 return OC_STACK_ERROR;
2605 requestData.numOptions = numOptions + 1;
2606 requestData.resourceUri = OICStrdup (clientCB->requestUri);
2608 requestInfo.method = CA_GET;
2609 requestInfo.info = requestData;
2611 CopyDevAddrToEndpoint(clientCB->devAddr, &endpoint);
2614 ret = OCSendRequest(&endpoint, &requestInfo);
2617 #ifdef WITH_PRESENCE
2618 case OC_REST_PRESENCE:
2619 FindAndDeleteClientCB(clientCB);
2624 ret = OC_STACK_INVALID_METHOD;
2629 if (requestData.numOptions > 0)
2631 OICFree(requestData.options);
2633 if (requestData.resourceUri)
2635 OICFree (requestData.resourceUri);
2641 * @brief Register Persistent storage callback.
2642 * @param persistentStorageHandler [IN] Pointers to open, read, write, close & unlink handlers.
2644 * OC_STACK_OK - No errors; Success
2645 * OC_STACK_INVALID_PARAM - Invalid parameter
2647 OCStackResult OCRegisterPersistentStorageHandler(OCPersistentStorage* persistentStorageHandler)
2649 OC_LOG(INFO, TAG, "RegisterPersistentStorageHandler !!");
2650 if(!persistentStorageHandler)
2652 OC_LOG(ERROR, TAG, "The persistent storage handler is invalid");
2653 return OC_STACK_INVALID_PARAM;
2657 if( !persistentStorageHandler->open ||
2658 !persistentStorageHandler->close ||
2659 !persistentStorageHandler->read ||
2660 !persistentStorageHandler->unlink ||
2661 !persistentStorageHandler->write)
2663 OC_LOG(ERROR, TAG, "The persistent storage handler is invalid");
2664 return OC_STACK_INVALID_PARAM;
2667 return SRMRegisterPersistentStorageHandler(persistentStorageHandler);
2670 #ifdef WITH_PRESENCE
2672 OCStackResult OCProcessPresence()
2674 OCStackResult result = OC_STACK_OK;
2676 // the following line floods the log with messages that are irrelevant
2677 // to most purposes. Uncomment as needed.
2678 //OC_LOG(INFO, TAG, "Entering RequestPresence");
2679 ClientCB* cbNode = NULL;
2680 OCClientResponse clientResponse;
2681 OCStackApplicationResult cbResult = OC_STACK_DELETE_TRANSACTION;
2683 LL_FOREACH(cbList, cbNode)
2685 if (OC_REST_PRESENCE != cbNode->method || !cbNode->presence)
2690 uint32_t now = GetTicks(0);
2691 OC_LOG_V(DEBUG, TAG, "this TTL level %d",
2692 cbNode->presence->TTLlevel);
2693 OC_LOG_V(DEBUG, TAG, "current ticks %d", now);
2695 if (cbNode->presence->TTLlevel > PresenceTimeOutSize)
2700 if (cbNode->presence->TTLlevel < PresenceTimeOutSize)
2702 OC_LOG_V(DEBUG, TAG, "timeout ticks %d",
2703 cbNode->presence->timeOut[cbNode->presence->TTLlevel]);
2705 if (cbNode->presence->TTLlevel >= PresenceTimeOutSize)
2707 OC_LOG(DEBUG, TAG, "No more timeout ticks");
2709 clientResponse.sequenceNumber = 0;
2710 clientResponse.result = OC_STACK_PRESENCE_TIMEOUT;
2711 clientResponse.devAddr = *cbNode->devAddr;
2712 FixUpClientResponse(&clientResponse);
2713 clientResponse.payload = NULL;
2715 // Increment the TTLLevel (going to a next state), so we don't keep
2716 // sending presence notification to client.
2717 cbNode->presence->TTLlevel++;
2718 OC_LOG_V(DEBUG, TAG, "moving to TTL level %d",
2719 cbNode->presence->TTLlevel);
2721 cbResult = cbNode->callBack(cbNode->context, cbNode->handle, &clientResponse);
2722 if (cbResult == OC_STACK_DELETE_TRANSACTION)
2724 FindAndDeleteClientCB(cbNode);
2728 if (now < cbNode->presence->timeOut[cbNode->presence->TTLlevel])
2733 CAEndpoint_t endpoint = {.adapter = CA_DEFAULT_ADAPTER};
2734 CAInfo_t requestData = {.type = CA_MSG_CONFIRM};
2735 CARequestInfo_t requestInfo = {.method = CA_GET};
2737 OC_LOG(DEBUG, TAG, "time to test server presence");
2739 CopyDevAddrToEndpoint(cbNode->devAddr, &endpoint);
2741 requestData.type = CA_MSG_NONCONFIRM;
2742 requestData.token = cbNode->token;
2743 requestData.tokenLength = cbNode->tokenLength;
2744 requestData.resourceUri = OC_RSRVD_PRESENCE_URI;
2745 requestInfo.method = CA_GET;
2746 requestInfo.info = requestData;
2748 result = OCSendRequest(&endpoint, &requestInfo);
2749 if (OC_STACK_OK != result)
2754 cbNode->presence->TTLlevel++;
2755 OC_LOG_V(DEBUG, TAG, "moving to TTL level %d", cbNode->presence->TTLlevel);
2758 if (result != OC_STACK_OK)
2760 OC_LOG(ERROR, TAG, "OCProcessPresence error");
2765 #endif // WITH_PRESENCE
2767 OCStackResult OCProcess()
2769 #ifdef WITH_PRESENCE
2770 OCProcessPresence();
2772 CAHandleRequestResponse();
2774 #ifdef ROUTING_GATEWAY
2780 #ifdef WITH_PRESENCE
2781 OCStackResult OCStartPresence(const uint32_t ttl)
2783 uint8_t tokenLength = CA_MAX_TOKEN_LEN;
2784 OCChangeResourceProperty(
2785 &(((OCResource *)presenceResource.handle)->resourceProperties),
2788 if (OC_MAX_PRESENCE_TTL_SECONDS < ttl)
2790 presenceResource.presenceTTL = OC_MAX_PRESENCE_TTL_SECONDS;
2791 OC_LOG(INFO, TAG, "Setting Presence TTL to max value");
2795 presenceResource.presenceTTL = OC_DEFAULT_PRESENCE_TTL_SECONDS;
2796 OC_LOG(INFO, TAG, "Setting Presence TTL to default value");
2800 presenceResource.presenceTTL = ttl;
2802 OC_LOG_V(DEBUG, TAG, "Presence TTL is %lu seconds", presenceResource.presenceTTL);
2804 if (OC_PRESENCE_UNINITIALIZED == presenceState)
2806 presenceState = OC_PRESENCE_INITIALIZED;
2808 OCDevAddr devAddr = { OC_DEFAULT_ADAPTER };
2810 CAToken_t caToken = NULL;
2811 CAResult_t caResult = CAGenerateToken(&caToken, tokenLength);
2812 if (caResult != CA_STATUS_OK)
2814 OC_LOG(ERROR, TAG, "CAGenerateToken error");
2815 CADestroyToken(caToken);
2816 return OC_STACK_ERROR;
2819 AddObserver(OC_RSRVD_PRESENCE_URI, NULL, 0, caToken, tokenLength,
2820 (OCResource *)presenceResource.handle, OC_LOW_QOS, OC_FORMAT_UNDEFINED, &devAddr);
2821 CADestroyToken(caToken);
2824 // Each time OCStartPresence is called
2825 // a different random 32-bit integer number is used
2826 ((OCResource *)presenceResource.handle)->sequenceNum = OCGetRandom();
2828 return SendPresenceNotification(((OCResource *)presenceResource.handle)->rsrcType,
2829 OC_PRESENCE_TRIGGER_CREATE);
2832 OCStackResult OCStopPresence()
2834 OCStackResult result = OC_STACK_ERROR;
2836 if(presenceResource.handle)
2838 ((OCResource *)presenceResource.handle)->sequenceNum = OCGetRandom();
2840 // make resource inactive
2841 result = OCChangeResourceProperty(
2842 &(((OCResource *) presenceResource.handle)->resourceProperties),
2846 if(result != OC_STACK_OK)
2849 "Changing the presence resource properties to ACTIVE not successful");
2853 return SendStopNotification();
2857 OCStackResult OCSetDefaultDeviceEntityHandler(OCDeviceEntityHandler entityHandler,
2858 void* callbackParameter)
2860 defaultDeviceHandler = entityHandler;
2861 defaultDeviceHandlerCallbackParameter = callbackParameter;
2866 OCStackResult OCSetPlatformInfo(OCPlatformInfo platformInfo)
2868 OC_LOG(INFO, TAG, "Entering OCSetPlatformInfo");
2870 if(myStackMode == OC_SERVER || myStackMode == OC_CLIENT_SERVER || myStackMode == OC_GATEWAY)
2872 if (validatePlatformInfo(platformInfo))
2874 return SavePlatformInfo(platformInfo);
2878 return OC_STACK_INVALID_PARAM;
2883 return OC_STACK_ERROR;
2887 OCStackResult OCSetDeviceInfo(OCDeviceInfo deviceInfo)
2889 OC_LOG(INFO, TAG, "Entering OCSetDeviceInfo");
2891 if (!deviceInfo.deviceName || deviceInfo.deviceName[0] == '\0')
2893 OC_LOG(ERROR, TAG, "Null or empty device name.");
2894 return OC_STACK_INVALID_PARAM;
2897 return SaveDeviceInfo(deviceInfo);
2900 OCStackResult OCCreateResource(OCResourceHandle *handle,
2901 const char *resourceTypeName,
2902 const char *resourceInterfaceName,
2903 const char *uri, OCEntityHandler entityHandler,
2904 void* callbackParam,
2905 uint8_t resourceProperties)
2908 OCResource *pointer = NULL;
2910 OCStackResult result = OC_STACK_ERROR;
2912 OC_LOG(INFO, TAG, "Entering OCCreateResource");
2914 if(myStackMode == OC_CLIENT)
2916 return OC_STACK_INVALID_PARAM;
2918 // Validate parameters
2919 if(!uri || uri[0]=='\0' || strlen(uri)>=MAX_URI_LENGTH )
2921 OC_LOG(ERROR, TAG, "URI is empty or too long");
2922 return OC_STACK_INVALID_URI;
2924 // Is it presented during resource discovery?
2925 if (!handle || !resourceTypeName || resourceTypeName[0] == '\0' )
2927 OC_LOG(ERROR, TAG, "Input parameter is NULL");
2928 return OC_STACK_INVALID_PARAM;
2931 if(!resourceInterfaceName || strlen(resourceInterfaceName) == 0)
2933 resourceInterfaceName = OC_RSRVD_INTERFACE_DEFAULT;
2936 // Make sure resourceProperties bitmask has allowed properties specified
2937 if (resourceProperties
2938 > (OC_ACTIVE | OC_DISCOVERABLE | OC_OBSERVABLE | OC_SLOW | OC_SECURE |
2939 OC_EXPLICIT_DISCOVERABLE))
2941 OC_LOG(ERROR, TAG, "Invalid property");
2942 return OC_STACK_INVALID_PARAM;
2945 // If the headResource is NULL, then no resources have been created...
2946 pointer = headResource;
2949 // At least one resources is in the resource list, so we need to search for
2950 // repeated URLs, which are not allowed. If a repeat is found, exit with an error
2953 if (strncmp(uri, pointer->uri, MAX_URI_LENGTH) == 0)
2955 OC_LOG_V(ERROR, TAG, "Resource %s already exists", uri);
2956 return OC_STACK_INVALID_PARAM;
2958 pointer = pointer->next;
2961 // Create the pointer and insert it into the resource list
2962 pointer = (OCResource *) OICCalloc(1, sizeof(OCResource));
2965 result = OC_STACK_NO_MEMORY;
2968 pointer->sequenceNum = OC_OFFSET_SEQUENCE_NUMBER;
2970 insertResource(pointer);
2973 str = OICStrdup(uri);
2976 result = OC_STACK_NO_MEMORY;
2981 // Set properties. Set OC_ACTIVE
2982 pointer->resourceProperties = (OCResourceProperty) (resourceProperties
2985 // Add the resourcetype to the resource
2986 result = BindResourceTypeToResource(pointer, resourceTypeName);
2987 if (result != OC_STACK_OK)
2989 OC_LOG(ERROR, TAG, "Error adding resourcetype");
2993 // Add the resourceinterface to the resource
2994 result = BindResourceInterfaceToResource(pointer, resourceInterfaceName);
2995 if (result != OC_STACK_OK)
2997 OC_LOG(ERROR, TAG, "Error adding resourceinterface");
3001 // If an entity handler has been passed, attach it to the newly created
3002 // resource. Otherwise, set the default entity handler.
3005 pointer->entityHandler = entityHandler;
3006 pointer->entityHandlerCallbackParam = callbackParam;
3010 pointer->entityHandler = defaultResourceEHandler;
3011 pointer->entityHandlerCallbackParam = NULL;
3015 result = OC_STACK_OK;
3017 #ifdef WITH_PRESENCE
3018 if (presenceResource.handle)
3020 ((OCResource *)presenceResource.handle)->sequenceNum = OCGetRandom();
3021 SendPresenceNotification(pointer->rsrcType, OC_PRESENCE_TRIGGER_CREATE);
3025 if (result != OC_STACK_OK)
3027 // Deep delete of resource and other dynamic elements that it contains
3028 deleteResource(pointer);
3035 OCStackResult OCBindResource(
3036 OCResourceHandle collectionHandle, OCResourceHandle resourceHandle)
3038 OCResource *resource = NULL;
3041 OC_LOG(INFO, TAG, "Entering OCBindResource");
3043 // Validate parameters
3044 VERIFY_NON_NULL(collectionHandle, ERROR, OC_STACK_ERROR);
3045 VERIFY_NON_NULL(resourceHandle, ERROR, OC_STACK_ERROR);
3046 // Container cannot contain itself
3047 if (collectionHandle == resourceHandle)
3049 OC_LOG(ERROR, TAG, "Added handle equals collection handle");
3050 return OC_STACK_INVALID_PARAM;
3053 // Use the handle to find the resource in the resource linked list
3054 resource = findResource((OCResource *) collectionHandle);
3057 OC_LOG(ERROR, TAG, "Collection handle not found");
3058 return OC_STACK_INVALID_PARAM;
3061 // Look for an open slot to add add the child resource.
3062 // If found, add it and return success
3063 for (i = 0; i < MAX_CONTAINED_RESOURCES; i++)
3065 if (!resource->rsrcResources[i])
3067 resource->rsrcResources[i] = (OCResource *) resourceHandle;
3068 OC_LOG(INFO, TAG, "resource bound");
3070 #ifdef WITH_PRESENCE
3071 if (presenceResource.handle)
3073 ((OCResource *)presenceResource.handle)->sequenceNum = OCGetRandom();
3074 SendPresenceNotification(((OCResource *) resourceHandle)->rsrcType,
3075 OC_PRESENCE_TRIGGER_CHANGE);
3083 // Unable to add resourceHandle, so return error
3084 return OC_STACK_ERROR;
3087 OCStackResult OCUnBindResource(
3088 OCResourceHandle collectionHandle, OCResourceHandle resourceHandle)
3090 OCResource *resource = NULL;
3093 OC_LOG(INFO, TAG, "Entering OCUnBindResource");
3095 // Validate parameters
3096 VERIFY_NON_NULL(collectionHandle, ERROR, OC_STACK_ERROR);
3097 VERIFY_NON_NULL(resourceHandle, ERROR, OC_STACK_ERROR);
3098 // Container cannot contain itself
3099 if (collectionHandle == resourceHandle)
3101 OC_LOG(ERROR, TAG, "removing handle equals collection handle");
3102 return OC_STACK_INVALID_PARAM;
3105 // Use the handle to find the resource in the resource linked list
3106 resource = findResource((OCResource *) collectionHandle);
3109 OC_LOG(ERROR, TAG, "Collection handle not found");
3110 return OC_STACK_INVALID_PARAM;
3113 // Look for an open slot to add add the child resource.
3114 // If found, add it and return success
3115 for (i = 0; i < MAX_CONTAINED_RESOURCES; i++)
3117 if (resourceHandle == resource->rsrcResources[i])
3119 resource->rsrcResources[i] = (OCResource *) NULL;
3120 OC_LOG(INFO, TAG, "resource unbound");
3122 // Send notification when resource is unbounded successfully.
3123 #ifdef WITH_PRESENCE
3124 if (presenceResource.handle)
3126 ((OCResource *)presenceResource.handle)->sequenceNum = OCGetRandom();
3127 SendPresenceNotification(((OCResource *) resourceHandle)->rsrcType,
3128 OC_PRESENCE_TRIGGER_CHANGE);
3135 OC_LOG(INFO, TAG, "resource not found in collection");
3137 // Unable to add resourceHandle, so return error
3138 return OC_STACK_ERROR;
3141 OCStackResult BindResourceTypeToResource(OCResource* resource,
3142 const char *resourceTypeName)
3144 OCResourceType *pointer = NULL;
3146 OCStackResult result = OC_STACK_ERROR;
3148 VERIFY_NON_NULL(resourceTypeName, ERROR, OC_STACK_INVALID_PARAM);
3150 pointer = (OCResourceType *) OICCalloc(1, sizeof(OCResourceType));
3153 result = OC_STACK_NO_MEMORY;
3157 str = OICStrdup(resourceTypeName);
3160 result = OC_STACK_NO_MEMORY;
3163 pointer->resourcetypename = str;
3165 insertResourceType(resource, pointer);
3166 result = OC_STACK_OK;
3169 if (result != OC_STACK_OK)
3178 OCStackResult BindResourceInterfaceToResource(OCResource* resource,
3179 const char *resourceInterfaceName)
3181 OCResourceInterface *pointer = NULL;
3183 OCStackResult result = OC_STACK_ERROR;
3185 VERIFY_NON_NULL(resourceInterfaceName, ERROR, OC_STACK_INVALID_PARAM);
3187 OC_LOG_V(INFO, TAG, "Binding %s interface to %s", resourceInterfaceName, resource->uri);
3189 pointer = (OCResourceInterface *) OICCalloc(1, sizeof(OCResourceInterface));
3192 result = OC_STACK_NO_MEMORY;
3196 str = OICStrdup(resourceInterfaceName);
3199 result = OC_STACK_NO_MEMORY;
3202 pointer->name = str;
3204 // Bind the resourceinterface to the resource
3205 insertResourceInterface(resource, pointer);
3207 result = OC_STACK_OK;
3210 if (result != OC_STACK_OK)
3219 OCStackResult OCBindResourceTypeToResource(OCResourceHandle handle,
3220 const char *resourceTypeName)
3223 OCStackResult result = OC_STACK_ERROR;
3224 OCResource *resource = NULL;
3226 resource = findResource((OCResource *) handle);
3229 OC_LOG(ERROR, TAG, "Resource not found");
3230 return OC_STACK_ERROR;
3233 result = BindResourceTypeToResource(resource, resourceTypeName);
3235 #ifdef WITH_PRESENCE
3236 if(presenceResource.handle)
3238 ((OCResource *)presenceResource.handle)->sequenceNum = OCGetRandom();
3239 SendPresenceNotification(resource->rsrcType, OC_PRESENCE_TRIGGER_CHANGE);
3246 OCStackResult OCBindResourceInterfaceToResource(OCResourceHandle handle,
3247 const char *resourceInterfaceName)
3250 OCStackResult result = OC_STACK_ERROR;
3251 OCResource *resource = NULL;
3253 resource = findResource((OCResource *) handle);
3256 OC_LOG(ERROR, TAG, "Resource not found");
3257 return OC_STACK_ERROR;
3260 result = BindResourceInterfaceToResource(resource, resourceInterfaceName);
3262 #ifdef WITH_PRESENCE
3263 if (presenceResource.handle)
3265 ((OCResource *)presenceResource.handle)->sequenceNum = OCGetRandom();
3266 SendPresenceNotification(resource->rsrcType, OC_PRESENCE_TRIGGER_CHANGE);
3273 OCStackResult OCGetNumberOfResources(uint8_t *numResources)
3275 OCResource *pointer = headResource;
3277 VERIFY_NON_NULL(numResources, ERROR, OC_STACK_INVALID_PARAM);
3281 *numResources = *numResources + 1;
3282 pointer = pointer->next;
3287 OCResourceHandle OCGetResourceHandle(uint8_t index)
3289 OCResource *pointer = headResource;
3291 for( uint8_t i = 0; i < index && pointer; ++i)
3293 pointer = pointer->next;
3295 return (OCResourceHandle) pointer;
3298 OCStackResult OCDeleteResource(OCResourceHandle handle)
3302 OC_LOG(ERROR, TAG, "Invalid handle for deletion");
3303 return OC_STACK_INVALID_PARAM;
3306 OCResource *resource = findResource((OCResource *) handle);
3307 if (resource == NULL)
3309 OC_LOG(ERROR, TAG, "Resource not found");
3310 return OC_STACK_NO_RESOURCE;
3313 if (deleteResource((OCResource *) handle) != OC_STACK_OK)
3315 OC_LOG(ERROR, TAG, "Error deleting resource");
3316 return OC_STACK_ERROR;
3322 const char *OCGetResourceUri(OCResourceHandle handle)
3324 OCResource *resource = NULL;
3326 resource = findResource((OCResource *) handle);
3329 return resource->uri;
3331 return (const char *) NULL;
3334 OCResourceProperty OCGetResourceProperties(OCResourceHandle handle)
3336 OCResource *resource = NULL;
3338 resource = findResource((OCResource *) handle);
3341 return resource->resourceProperties;
3343 return (OCResourceProperty)-1;
3346 OCStackResult OCGetNumberOfResourceTypes(OCResourceHandle handle,
3347 uint8_t *numResourceTypes)
3349 OCResource *resource = NULL;
3350 OCResourceType *pointer = NULL;
3352 VERIFY_NON_NULL(numResourceTypes, ERROR, OC_STACK_INVALID_PARAM);
3353 VERIFY_NON_NULL(handle, ERROR, OC_STACK_INVALID_PARAM);
3355 *numResourceTypes = 0;
3357 resource = findResource((OCResource *) handle);
3360 pointer = resource->rsrcType;
3363 *numResourceTypes = *numResourceTypes + 1;
3364 pointer = pointer->next;
3370 const char *OCGetResourceTypeName(OCResourceHandle handle, uint8_t index)
3372 OCResourceType *resourceType = NULL;
3374 resourceType = findResourceTypeAtIndex(handle, index);
3377 return resourceType->resourcetypename;
3379 return (const char *) NULL;
3382 OCStackResult OCGetNumberOfResourceInterfaces(OCResourceHandle handle,
3383 uint8_t *numResourceInterfaces)
3385 OCResourceInterface *pointer = NULL;
3386 OCResource *resource = NULL;
3388 VERIFY_NON_NULL(handle, ERROR, OC_STACK_INVALID_PARAM);
3389 VERIFY_NON_NULL(numResourceInterfaces, ERROR, OC_STACK_INVALID_PARAM);
3391 *numResourceInterfaces = 0;
3392 resource = findResource((OCResource *) handle);
3395 pointer = resource->rsrcInterface;
3398 *numResourceInterfaces = *numResourceInterfaces + 1;
3399 pointer = pointer->next;
3405 const char *OCGetResourceInterfaceName(OCResourceHandle handle, uint8_t index)
3407 OCResourceInterface *resourceInterface = NULL;
3409 resourceInterface = findResourceInterfaceAtIndex(handle, index);
3410 if (resourceInterface)
3412 return resourceInterface->name;
3414 return (const char *) NULL;
3417 OCResourceHandle OCGetResourceHandleFromCollection(OCResourceHandle collectionHandle,
3420 OCResource *resource = NULL;
3422 if (index >= MAX_CONTAINED_RESOURCES)
3427 resource = findResource((OCResource *) collectionHandle);
3433 return resource->rsrcResources[index];
3436 OCStackResult OCBindResourceHandler(OCResourceHandle handle,
3437 OCEntityHandler entityHandler,
3438 void* callbackParam)
3440 OCResource *resource = NULL;
3442 // Validate parameters
3443 VERIFY_NON_NULL(handle, ERROR, OC_STACK_INVALID_PARAM);
3445 // Use the handle to find the resource in the resource linked list
3446 resource = findResource((OCResource *)handle);
3449 OC_LOG(ERROR, TAG, "Resource not found");
3450 return OC_STACK_ERROR;
3454 resource->entityHandler = entityHandler;
3455 resource->entityHandlerCallbackParam = callbackParam;
3457 #ifdef WITH_PRESENCE
3458 if (presenceResource.handle)
3460 ((OCResource *)presenceResource.handle)->sequenceNum = OCGetRandom();
3461 SendPresenceNotification(resource->rsrcType, OC_PRESENCE_TRIGGER_CHANGE);
3468 OCEntityHandler OCGetResourceHandler(OCResourceHandle handle)
3470 OCResource *resource = NULL;
3472 resource = findResource((OCResource *)handle);
3475 OC_LOG(ERROR, TAG, "Resource not found");
3480 return resource->entityHandler;
3483 void incrementSequenceNumber(OCResource * resPtr)
3485 // Increment the sequence number
3486 resPtr->sequenceNum += 1;
3487 if (resPtr->sequenceNum == MAX_SEQUENCE_NUMBER)
3489 resPtr->sequenceNum = OC_OFFSET_SEQUENCE_NUMBER+1;
3494 #ifdef WITH_PRESENCE
3495 OCStackResult SendPresenceNotification(OCResourceType *resourceType,
3496 OCPresenceTrigger trigger)
3498 OCResource *resPtr = NULL;
3499 OCStackResult result = OC_STACK_ERROR;
3500 OCMethod method = OC_REST_PRESENCE;
3501 uint32_t maxAge = 0;
3502 resPtr = findResource((OCResource *) presenceResource.handle);
3505 return OC_STACK_NO_RESOURCE;
3508 if((((OCResource *) presenceResource.handle)->resourceProperties) & OC_ACTIVE)
3510 maxAge = presenceResource.presenceTTL;
3512 result = SendAllObserverNotification(method, resPtr, maxAge,
3513 trigger, resourceType, OC_LOW_QOS);
3519 OCStackResult SendStopNotification()
3521 OCResource *resPtr = NULL;
3522 OCStackResult result = OC_STACK_ERROR;
3523 OCMethod method = OC_REST_PRESENCE;
3524 resPtr = findResource((OCResource *) presenceResource.handle);
3527 return OC_STACK_NO_RESOURCE;
3530 // maxAge is 0. ResourceType is NULL.
3531 result = SendAllObserverNotification(method, resPtr, 0, OC_PRESENCE_TRIGGER_DELETE,
3537 #endif // WITH_PRESENCE
3538 OCStackResult OCNotifyAllObservers(OCResourceHandle handle, OCQualityOfService qos)
3540 OCResource *resPtr = NULL;
3541 OCStackResult result = OC_STACK_ERROR;
3542 OCMethod method = OC_REST_NOMETHOD;
3543 uint32_t maxAge = 0;
3545 OC_LOG(INFO, TAG, "Notifying all observers");
3546 #ifdef WITH_PRESENCE
3547 if(handle == presenceResource.handle)
3551 #endif // WITH_PRESENCE
3552 VERIFY_NON_NULL(handle, ERROR, OC_STACK_ERROR);
3554 // Verify that the resource exists
3555 resPtr = findResource ((OCResource *) handle);
3558 return OC_STACK_NO_RESOURCE;
3562 //only increment in the case of regular observing (not presence)
3563 incrementSequenceNumber(resPtr);
3564 method = OC_REST_OBSERVE;
3565 maxAge = MAX_OBSERVE_AGE;
3566 #ifdef WITH_PRESENCE
3567 result = SendAllObserverNotification (method, resPtr, maxAge,
3568 OC_PRESENCE_TRIGGER_DELETE, NULL, qos);
3570 result = SendAllObserverNotification (method, resPtr, maxAge, qos);
3577 OCNotifyListOfObservers (OCResourceHandle handle,
3578 OCObservationId *obsIdList,
3579 uint8_t numberOfIds,
3580 const OCRepPayload *payload,
3581 OCQualityOfService qos)
3583 OC_LOG(INFO, TAG, "Entering OCNotifyListOfObservers");
3585 OCResource *resPtr = NULL;
3586 //TODO: we should allow the server to define this
3587 uint32_t maxAge = MAX_OBSERVE_AGE;
3589 VERIFY_NON_NULL(handle, ERROR, OC_STACK_ERROR);
3590 VERIFY_NON_NULL(obsIdList, ERROR, OC_STACK_ERROR);
3591 VERIFY_NON_NULL(payload, ERROR, OC_STACK_ERROR);
3593 resPtr = findResource ((OCResource *) handle);
3594 if (NULL == resPtr || myStackMode == OC_CLIENT)
3596 return OC_STACK_NO_RESOURCE;
3600 incrementSequenceNumber(resPtr);
3602 return (SendListObserverNotification(resPtr, obsIdList, numberOfIds,
3603 payload, maxAge, qos));
3606 OCStackResult OCDoResponse(OCEntityHandlerResponse *ehResponse)
3608 OCStackResult result = OC_STACK_ERROR;
3609 OCServerRequest *serverRequest = NULL;
3611 OC_LOG(INFO, TAG, "Entering OCDoResponse");
3613 // Validate input parameters
3614 VERIFY_NON_NULL(ehResponse, ERROR, OC_STACK_INVALID_PARAM);
3615 VERIFY_NON_NULL(ehResponse->requestHandle, ERROR, OC_STACK_INVALID_PARAM);
3618 // Get pointer to request info
3619 serverRequest = GetServerRequestUsingHandle((OCServerRequest *)ehResponse->requestHandle);
3622 // response handler in ocserverrequest.c. Usually HandleSingleResponse.
3623 result = serverRequest->ehResponseHandler(ehResponse);
3629 //-----------------------------------------------------------------------------
3630 // Private internal function definitions
3631 //-----------------------------------------------------------------------------
3632 static OCDoHandle GenerateInvocationHandle()
3634 OCDoHandle handle = NULL;
3635 // Generate token here, it will be deleted when the transaction is deleted
3636 handle = (OCDoHandle) OICMalloc(sizeof(uint8_t[CA_MAX_TOKEN_LEN]));
3639 OCFillRandomMem((uint8_t*)handle, sizeof(uint8_t[CA_MAX_TOKEN_LEN]));
3645 #ifdef WITH_PRESENCE
3646 OCStackResult OCChangeResourceProperty(OCResourceProperty * inputProperty,
3647 OCResourceProperty resourceProperties, uint8_t enable)
3651 return OC_STACK_INVALID_PARAM;
3653 if (resourceProperties
3654 > (OC_ACTIVE | OC_DISCOVERABLE | OC_OBSERVABLE | OC_SLOW))
3656 OC_LOG(ERROR, TAG, "Invalid property");
3657 return OC_STACK_INVALID_PARAM;
3661 *inputProperty = (OCResourceProperty) (*inputProperty & ~(resourceProperties));
3665 *inputProperty = (OCResourceProperty) (*inputProperty | resourceProperties);
3671 OCStackResult initResources()
3673 OCStackResult result = OC_STACK_OK;
3675 headResource = NULL;
3676 tailResource = NULL;
3677 // Init Virtual Resources
3678 #ifdef WITH_PRESENCE
3679 presenceResource.presenceTTL = OC_DEFAULT_PRESENCE_TTL_SECONDS;
3681 result = OCCreateResource(&presenceResource.handle,
3682 OC_RSRVD_RESOURCE_TYPE_PRESENCE,
3684 OC_RSRVD_PRESENCE_URI,
3688 //make resource inactive
3689 result = OCChangeResourceProperty(
3690 &(((OCResource *) presenceResource.handle)->resourceProperties),
3694 if (result == OC_STACK_OK)
3696 result = SRMInitSecureResources();
3702 void insertResource(OCResource *resource)
3706 headResource = resource;
3707 tailResource = resource;
3711 tailResource->next = resource;
3712 tailResource = resource;
3714 resource->next = NULL;
3717 OCResource *findResource(OCResource *resource)
3719 OCResource *pointer = headResource;
3723 if (pointer == resource)
3727 pointer = pointer->next;
3732 void deleteAllResources()
3734 OCResource *pointer = headResource;
3735 OCResource *temp = NULL;
3739 temp = pointer->next;
3740 #ifdef WITH_PRESENCE
3741 if (pointer != (OCResource *) presenceResource.handle)
3743 #endif // WITH_PRESENCE
3744 deleteResource(pointer);
3745 #ifdef WITH_PRESENCE
3747 #endif // WITH_PRESENCE
3751 SRMDeInitSecureResources();
3753 #ifdef WITH_PRESENCE
3754 // Ensure that the last resource to be deleted is the presence resource. This allows for all
3755 // presence notification attributed to their deletion to be processed.
3756 deleteResource((OCResource *) presenceResource.handle);
3757 #endif // WITH_PRESENCE
3760 OCStackResult deleteResource(OCResource *resource)
3762 OCResource *prev = NULL;
3763 OCResource *temp = NULL;
3766 OC_LOG(DEBUG,TAG,"resource is NULL");
3767 return OC_STACK_INVALID_PARAM;
3770 OC_LOG_V (INFO, TAG, "Deleting resource %s", resource->uri);
3772 temp = headResource;
3775 if (temp == resource)
3777 // Invalidate all Resource Properties.
3778 resource->resourceProperties = (OCResourceProperty) 0;
3779 #ifdef WITH_PRESENCE
3780 if(resource != (OCResource *) presenceResource.handle)
3782 #endif // WITH_PRESENCE
3783 OCNotifyAllObservers((OCResourceHandle)resource, OC_HIGH_QOS);
3784 #ifdef WITH_PRESENCE
3787 if(presenceResource.handle)
3789 ((OCResource *)presenceResource.handle)->sequenceNum = OCGetRandom();
3790 SendPresenceNotification(resource->rsrcType, OC_PRESENCE_TRIGGER_DELETE);
3793 // Only resource in list.
3794 if (temp == headResource && temp == tailResource)
3796 headResource = NULL;
3797 tailResource = NULL;
3800 else if (temp == headResource)
3802 headResource = temp->next;
3805 else if (temp == tailResource)
3807 tailResource = prev;
3808 tailResource->next = NULL;
3812 prev->next = temp->next;
3815 deleteResourceElements(temp);
3826 return OC_STACK_ERROR;
3829 void deleteResourceElements(OCResource *resource)
3836 OICFree(resource->uri);
3837 deleteResourceType(resource->rsrcType);
3838 deleteResourceInterface(resource->rsrcInterface);
3841 void deleteResourceType(OCResourceType *resourceType)
3843 OCResourceType *pointer = resourceType;
3844 OCResourceType *next = NULL;
3848 next = pointer->next;
3849 OICFree(pointer->resourcetypename);
3855 void deleteResourceInterface(OCResourceInterface *resourceInterface)
3857 OCResourceInterface *pointer = resourceInterface;
3858 OCResourceInterface *next = NULL;
3862 next = pointer->next;
3863 OICFree(pointer->name);
3869 void insertResourceType(OCResource *resource, OCResourceType *resourceType)
3871 OCResourceType *pointer = NULL;
3872 OCResourceType *previous = NULL;
3873 if (!resource || !resourceType)
3877 // resource type list is empty.
3878 else if (!resource->rsrcType)
3880 resource->rsrcType = resourceType;
3884 pointer = resource->rsrcType;
3888 if (!strcmp(resourceType->resourcetypename, pointer->resourcetypename))
3890 OC_LOG_V(INFO, TAG, "Type %s already exists", resourceType->resourcetypename);
3891 OICFree(resourceType->resourcetypename);
3892 OICFree(resourceType);
3896 pointer = pointer->next;
3898 previous->next = resourceType;
3900 resourceType->next = NULL;
3902 OC_LOG_V(INFO, TAG, "Added type %s to %s", resourceType->resourcetypename, resource->uri);
3905 OCResourceType *findResourceTypeAtIndex(OCResourceHandle handle, uint8_t index)
3907 OCResource *resource = NULL;
3908 OCResourceType *pointer = NULL;
3910 // Find the specified resource
3911 resource = findResource((OCResource *) handle);
3917 // Make sure a resource has a resourcetype
3918 if (!resource->rsrcType)
3923 // Iterate through the list
3924 pointer = resource->rsrcType;
3925 for(uint8_t i = 0; i< index && pointer; ++i)
3927 pointer = pointer->next;
3932 OCResourceType *findResourceType(OCResourceType * resourceTypeList, const char * resourceTypeName)
3934 if(resourceTypeList && resourceTypeName)
3936 OCResourceType * rtPointer = resourceTypeList;
3937 while(resourceTypeName && rtPointer)
3939 if(rtPointer->resourcetypename &&
3940 strcmp(resourceTypeName, (const char *)
3941 (rtPointer->resourcetypename)) == 0)
3945 rtPointer = rtPointer->next;
3953 * Insert a new interface into interface linked list only if not already present.
3954 * If alredy present, 2nd arg is free'd.
3955 * Default interface will always be first if present.
3957 void insertResourceInterface(OCResource *resource, OCResourceInterface *newInterface)
3959 OCResourceInterface *pointer = NULL;
3960 OCResourceInterface *previous = NULL;
3962 newInterface->next = NULL;
3964 OCResourceInterface **firstInterface = &(resource->rsrcInterface);
3966 if (!*firstInterface)
3968 *firstInterface = newInterface;
3970 else if (strcmp(newInterface->name, OC_RSRVD_INTERFACE_DEFAULT) == 0)
3972 if (strcmp((*firstInterface)->name, OC_RSRVD_INTERFACE_DEFAULT) == 0)
3974 OICFree(newInterface->name);
3975 OICFree(newInterface);
3980 newInterface->next = *firstInterface;
3981 *firstInterface = newInterface;
3986 pointer = *firstInterface;
3989 if (strcmp(newInterface->name, pointer->name) == 0)
3991 OICFree(newInterface->name);
3992 OICFree(newInterface);
3996 pointer = pointer->next;
3998 previous->next = newInterface;
4002 OCResourceInterface *findResourceInterfaceAtIndex(OCResourceHandle handle,
4005 OCResource *resource = NULL;
4006 OCResourceInterface *pointer = NULL;
4008 // Find the specified resource
4009 resource = findResource((OCResource *) handle);
4015 // Make sure a resource has a resourceinterface
4016 if (!resource->rsrcInterface)
4021 // Iterate through the list
4022 pointer = resource->rsrcInterface;
4024 for (uint8_t i = 0; i < index && pointer; ++i)
4026 pointer = pointer->next;
4032 * This function splits the uri using the '?' delimiter.
4033 * "uriWithoutQuery" is the block of characters between the beginning
4034 * till the delimiter or '\0' which ever comes first.
4035 * "query" is whatever is to the right of the delimiter if present.
4036 * No delimiter sets the query to NULL.
4037 * If either are present, they will be malloc'ed into the params 2, 3.
4038 * The first param, *uri is left untouched.
4040 * NOTE: This function does not account for whitespace at the end of the uri NOR
4041 * malformed uri's with '??'. Whitespace at the end will be assumed to be
4042 * part of the query.
4044 OCStackResult getQueryFromUri(const char * uri, char** query, char ** uriWithoutQuery)
4048 return OC_STACK_INVALID_URI;
4050 if(!query || !uriWithoutQuery)
4052 return OC_STACK_INVALID_PARAM;
4056 *uriWithoutQuery = NULL;
4058 size_t uriWithoutQueryLen = 0;
4059 size_t queryLen = 0;
4060 size_t uriLen = strlen(uri);
4062 char *pointerToDelimiter = strstr(uri, "?");
4064 uriWithoutQueryLen = pointerToDelimiter == NULL ? uriLen : (size_t)(pointerToDelimiter - uri);
4065 queryLen = pointerToDelimiter == NULL ? 0 : uriLen - uriWithoutQueryLen - 1;
4067 if (uriWithoutQueryLen)
4069 *uriWithoutQuery = (char *) OICCalloc(uriWithoutQueryLen + 1, 1);
4070 if (!*uriWithoutQuery)
4074 OICStrcpy(*uriWithoutQuery, uriWithoutQueryLen +1, uri);
4078 *query = (char *) OICCalloc(queryLen + 1, 1);
4081 OICFree(*uriWithoutQuery);
4082 *uriWithoutQuery = NULL;
4085 OICStrcpy(*query, queryLen + 1, pointerToDelimiter + 1);
4091 return OC_STACK_NO_MEMORY;
4094 const OicUuid_t* OCGetServerInstanceID(void)
4096 static bool generated = false;
4097 static OicUuid_t sid;
4103 if (GetDoxmDeviceID(&sid) != OC_STACK_OK)
4105 OC_LOG(FATAL, TAG, "Generate UUID for Server Instance failed!");
4112 const char* OCGetServerInstanceIDString(void)
4114 static bool generated = false;
4115 static char sidStr[UUID_STRING_SIZE];
4122 const OicUuid_t* sid = OCGetServerInstanceID();
4124 if(OCConvertUuidToString(sid->id, sidStr) != RAND_UUID_OK)
4126 OC_LOG(FATAL, TAG, "Generate UUID String for Server Instance failed!");
4134 CAResult_t OCSelectNetwork()
4136 CAResult_t retResult = CA_STATUS_FAILED;
4137 CAResult_t caResult = CA_STATUS_OK;
4139 CATransportAdapter_t connTypes[] = {
4141 CA_ADAPTER_RFCOMM_BTEDR,
4142 CA_ADAPTER_GATT_BTLE
4145 ,CA_ADAPTER_REMOTE_ACCESS
4148 int numConnTypes = sizeof(connTypes)/sizeof(connTypes[0]);
4150 for(int i = 0; i<numConnTypes; i++)
4152 // Ignore CA_NOT_SUPPORTED error. The CA Layer may have not compiled in the interface.
4153 if(caResult == CA_STATUS_OK || caResult == CA_NOT_SUPPORTED)
4155 caResult = CASelectNetwork(connTypes[i]);
4156 if(caResult == CA_STATUS_OK)
4158 retResult = CA_STATUS_OK;
4163 if(retResult != CA_STATUS_OK)
4165 return caResult; // Returns error of appropriate transport that failed fatally.
4171 OCStackResult CAResultToOCResult(CAResult_t caResult)
4177 case CA_STATUS_INVALID_PARAM:
4178 return OC_STACK_INVALID_PARAM;
4179 case CA_ADAPTER_NOT_ENABLED:
4180 return OC_STACK_ADAPTER_NOT_ENABLED;
4181 case CA_SERVER_STARTED_ALREADY:
4183 case CA_SERVER_NOT_STARTED:
4184 return OC_STACK_ERROR;
4185 case CA_DESTINATION_NOT_REACHABLE:
4186 return OC_STACK_COMM_ERROR;
4187 case CA_SOCKET_OPERATION_FAILED:
4188 return OC_STACK_COMM_ERROR;
4189 case CA_SEND_FAILED:
4190 return OC_STACK_COMM_ERROR;
4191 case CA_RECEIVE_FAILED:
4192 return OC_STACK_COMM_ERROR;
4193 case CA_MEMORY_ALLOC_FAILED:
4194 return OC_STACK_NO_MEMORY;
4195 case CA_REQUEST_TIMEOUT:
4196 return OC_STACK_TIMEOUT;
4197 case CA_DESTINATION_DISCONNECTED:
4198 return OC_STACK_COMM_ERROR;
4199 case CA_STATUS_FAILED:
4200 return OC_STACK_ERROR;
4201 case CA_NOT_SUPPORTED:
4202 return OC_STACK_NOTIMPL;
4204 return OC_STACK_ERROR;