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;
1178 OC_LOG_V(ERROR, TAG, "Unknown Payload type in Discovery: %d %s",
1179 cbNode->method, cbNode->requestUri);
1183 else if (cbNode->method == OC_REST_GET ||
1184 cbNode->method == OC_REST_PUT ||
1185 cbNode->method == OC_REST_POST ||
1186 cbNode->method == OC_REST_OBSERVE ||
1187 cbNode->method == OC_REST_OBSERVE_ALL ||
1188 cbNode->method == OC_REST_DELETE)
1190 OC_LOG_V(INFO, TAG, "Assuming PAYLOAD_TYPE_REPRESENTATION: %d %s",
1191 cbNode->method, cbNode->requestUri);
1192 type = PAYLOAD_TYPE_REPRESENTATION;
1196 OC_LOG_V(ERROR, TAG, "Unknown Payload type: %d %s",
1197 cbNode->method, cbNode->requestUri);
1201 if(OC_STACK_OK != OCParsePayload(&response.payload,
1203 responseInfo->info.payload,
1204 responseInfo->info.payloadSize))
1206 OC_LOG(ERROR, TAG, "Error converting payload");
1207 OCPayloadDestroy(response.payload);
1212 response.numRcvdVendorSpecificHeaderOptions = 0;
1213 if(responseInfo->info.numOptions > 0)
1216 //First option always with option ID is COAP_OPTION_OBSERVE if it is available.
1217 if(responseInfo->info.options[0].optionID == COAP_OPTION_OBSERVE)
1220 uint32_t observationOption;
1221 uint8_t* optionData = (uint8_t*)responseInfo->info.options[0].optionData;
1222 for (observationOption=0, i=0;
1223 i<sizeof(uint32_t) && i<responseInfo->info.options[0].optionLength;
1227 (observationOption << 8) | optionData[i];
1229 response.sequenceNumber = observationOption;
1231 response.numRcvdVendorSpecificHeaderOptions = responseInfo->info.numOptions - 1;
1236 response.numRcvdVendorSpecificHeaderOptions = responseInfo->info.numOptions;
1239 if(response.numRcvdVendorSpecificHeaderOptions > MAX_HEADER_OPTIONS)
1241 OC_LOG(ERROR, TAG, "#header options are more than MAX_HEADER_OPTIONS");
1242 OCPayloadDestroy(response.payload);
1246 for (uint8_t i = start; i < responseInfo->info.numOptions; i++)
1248 memcpy (&(response.rcvdVendorSpecificHeaderOptions[i-start]),
1249 &(responseInfo->info.options[i]), sizeof(OCHeaderOption));
1253 if (cbNode->method == OC_REST_OBSERVE &&
1254 response.sequenceNumber > OC_OFFSET_SEQUENCE_NUMBER &&
1255 response.sequenceNumber <= cbNode->sequenceNumber)
1257 OC_LOG_V(INFO, TAG, "Received stale notification. Number :%d",
1258 response.sequenceNumber);
1262 OCStackApplicationResult appFeedback = cbNode->callBack(cbNode->context,
1265 cbNode->sequenceNumber = response.sequenceNumber;
1267 if (appFeedback == OC_STACK_DELETE_TRANSACTION)
1269 FindAndDeleteClientCB(cbNode);
1273 // To keep discovery callbacks active.
1274 cbNode->TTL = GetTicks(MAX_CB_TIMEOUT_SECONDS *
1275 MILLISECONDS_PER_SECOND);
1279 //Need to send ACK when the response is CON
1280 if(responseInfo->info.type == CA_MSG_CONFIRM)
1282 SendDirectStackResponse(endPoint, responseInfo->info.messageId, CA_EMPTY,
1283 CA_MSG_ACKNOWLEDGE, 0, NULL, NULL, 0, NULL);
1286 OCPayloadDestroy(response.payload);
1293 OC_LOG(INFO, TAG, "There is an observer associated with the response token");
1294 if(responseInfo->result == CA_EMPTY)
1296 OC_LOG(INFO, TAG, "Receiving A ACK/RESET for this token");
1297 if(responseInfo->info.type == CA_MSG_RESET)
1299 OC_LOG(INFO, TAG, "This is a RESET");
1300 OCStackFeedBack(responseInfo->info.token, responseInfo->info.tokenLength,
1301 OC_OBSERVER_NOT_INTERESTED);
1303 else if(responseInfo->info.type == CA_MSG_ACKNOWLEDGE)
1305 OC_LOG(INFO, TAG, "This is a pure ACK");
1306 OCStackFeedBack(responseInfo->info.token, responseInfo->info.tokenLength,
1307 OC_OBSERVER_STILL_INTERESTED);
1310 else if(responseInfo->result == CA_RETRANSMIT_TIMEOUT)
1312 OC_LOG(INFO, TAG, "Receiving Time Out for an observer");
1313 OCStackFeedBack(responseInfo->info.token, responseInfo->info.tokenLength,
1314 OC_OBSERVER_FAILED_COMM);
1319 if(!cbNode && !observer)
1321 if(myStackMode == OC_CLIENT || myStackMode == OC_CLIENT_SERVER
1322 || myStackMode == OC_GATEWAY)
1324 OC_LOG(INFO, TAG, "This is a client, but no cbNode was found for token");
1325 if(responseInfo->result == CA_EMPTY)
1327 OC_LOG(INFO, TAG, "Receiving CA_EMPTY in the ocstack");
1331 OC_LOG(INFO, TAG, "Received a message without callbacks. Sending RESET");
1332 SendDirectStackResponse(endPoint, responseInfo->info.messageId, CA_EMPTY,
1333 CA_MSG_RESET, 0, NULL, NULL, 0, NULL);
1337 if(myStackMode == OC_SERVER || myStackMode == OC_CLIENT_SERVER
1338 || myStackMode == OC_GATEWAY)
1340 OC_LOG(INFO, TAG, "This is a server, but no observer was found for token");
1341 if (responseInfo->info.type == CA_MSG_ACKNOWLEDGE)
1343 OC_LOG_V(INFO, TAG, "Received ACK at server for messageId : %d",
1344 responseInfo->info.messageId);
1346 if (responseInfo->info.type == CA_MSG_RESET)
1348 OC_LOG_V(INFO, TAG, "Received RESET at server for messageId : %d",
1349 responseInfo->info.messageId);
1356 OC_LOG(INFO, TAG, "Exit HandleCAResponses");
1360 * This function handles error response from CA
1361 * code shall be added to handle the errors
1363 void HandleCAErrorResponse(const CAEndpoint_t *endPoint, const CAErrorInfo_t *errrorInfo)
1365 OC_LOG(INFO, TAG, "Enter HandleCAErrorResponse");
1367 if(NULL == endPoint)
1369 OC_LOG(ERROR, TAG, "endPoint is NULL");
1373 if(NULL == errrorInfo)
1375 OC_LOG(ERROR, TAG, "errrorInfo is NULL");
1378 OC_LOG(INFO, TAG, "Exit HandleCAErrorResponse");
1382 * This function sends out Direct Stack Responses. These are responses that are not coming
1383 * from the application entity handler. These responses have no payload and are usually ACKs,
1384 * RESETs or some error conditions that were caught by the stack.
1386 OCStackResult SendDirectStackResponse(const CAEndpoint_t* endPoint, const uint16_t coapID,
1387 const CAResponseResult_t responseResult, const CAMessageType_t type,
1388 const uint8_t numOptions, const CAHeaderOption_t *options,
1389 CAToken_t token, uint8_t tokenLength, const char *resourceUri)
1391 CAResponseInfo_t respInfo = {
1392 .result = responseResult
1394 respInfo.info.messageId = coapID;
1395 respInfo.info.numOptions = numOptions;
1396 respInfo.info.options = (CAHeaderOption_t*)options;
1397 respInfo.info.payload = NULL;
1398 respInfo.info.token = token;
1399 respInfo.info.tokenLength = tokenLength;
1400 respInfo.info.type = type;
1401 respInfo.info.resourceUri = OICStrdup (resourceUri);
1402 respInfo.info.acceptFormat = CA_FORMAT_UNDEFINED;
1404 #if defined (ROUTING_GATEWAY) || defined (ROUTING_EP)
1405 // Add the destination to route option from the endpoint->routeData.
1406 OCStackResult result = RMAddInfo(endPoint->routeData,
1407 &(respInfo.info.options),
1408 &(respInfo.info.numOptions));
1409 if(OC_STACK_OK != result)
1411 OC_LOG_V(ERROR, TAG, "Add routing option failed [%d]", result);
1416 CAResult_t caResult = CASendResponse(endPoint, &respInfo);
1418 // resourceUri in the info field is cloned in the CA layer and
1419 // thus ownership is still here.
1420 OICFree (respInfo.info.resourceUri);
1422 if(CA_STATUS_OK != caResult)
1424 OC_LOG(ERROR, TAG, "CASendResponse error");
1425 return CAResultToOCResult(caResult);
1430 //This function will be called back by CA layer when a request is received
1431 void HandleCARequests(const CAEndpoint_t* endPoint, const CARequestInfo_t* requestInfo)
1433 OC_LOG(INFO, TAG, "Enter HandleCARequests");
1436 OC_LOG(ERROR, TAG, "endPoint is NULL");
1442 OC_LOG(ERROR, TAG, "requestInfo is NULL");
1446 #if defined (ROUTING_GATEWAY) || defined (ROUTING_EP)
1447 #ifdef ROUTING_GATEWAY
1448 bool needRIHandling = false;
1450 * Routing manager is going to update either of endpoint or request or both.
1451 * This typecasting is done to avoid unnecessary duplication of Endpoint and requestInfo
1452 * RM can update "routeData" option in endPoint so that future RI requests can be sent to proper
1453 * destination. It can also remove "RM" coap header option before passing request / response to
1454 * RI as this option will make no sense to either RI or application.
1456 OCStackResult ret = RMHandleRequest((CARequestInfo_t *)requestInfo, (CAEndpoint_t *)endPoint,
1458 if(OC_STACK_OK != ret || !needRIHandling)
1460 OC_LOG_V(INFO, TAG, "Routing status![%d]. Not forwarding to RI", ret);
1466 * Put source in sender endpoint so that the next packet from application can be routed to
1467 * proper destination and remove RM header option.
1469 RMUpdateInfo((CAHeaderOption_t **) &(requestInfo->info.options),
1470 (uint8_t *) &(requestInfo->info.numOptions),
1471 (CAEndpoint_t *) endPoint);
1474 OCStackResult requestResult = OC_STACK_ERROR;
1476 if(myStackMode == OC_CLIENT)
1478 //TODO: should the client be responding to requests?
1482 OCServerProtocolRequest serverRequest = {0};
1484 OC_LOG_V(INFO, TAG, "Endpoint URI : %s", requestInfo->info.resourceUri);
1486 char * uriWithoutQuery = NULL;
1487 char * query = NULL;
1489 requestResult = getQueryFromUri(requestInfo->info.resourceUri, &query, &uriWithoutQuery);
1491 if (requestResult != OC_STACK_OK || !uriWithoutQuery)
1493 OC_LOG_V(ERROR, TAG, "getQueryFromUri() failed with OC error code %d\n", requestResult);
1496 OC_LOG_V(INFO, TAG, "URI without query: %s", uriWithoutQuery);
1497 OC_LOG_V(INFO, TAG, "Query : %s", query);
1499 if(strlen(uriWithoutQuery) < MAX_URI_LENGTH)
1501 OICStrcpy(serverRequest.resourceUrl, sizeof(serverRequest.resourceUrl), uriWithoutQuery);
1502 OICFree(uriWithoutQuery);
1506 OC_LOG(ERROR, TAG, "URI length exceeds MAX_URI_LENGTH.");
1507 OICFree(uriWithoutQuery);
1514 if(strlen(query) < MAX_QUERY_LENGTH)
1516 OICStrcpy(serverRequest.query, sizeof(serverRequest.query), query);
1521 OC_LOG(ERROR, TAG, "Query length exceeds MAX_QUERY_LENGTH.");
1527 if ((requestInfo->info.payload) && (0 < requestInfo->info.payloadSize))
1529 serverRequest.reqTotalSize = requestInfo->info.payloadSize;
1530 serverRequest.payload = (uint8_t *) OICMalloc(requestInfo->info.payloadSize);
1531 memcpy (serverRequest.payload, requestInfo->info.payload,
1532 requestInfo->info.payloadSize);
1536 serverRequest.reqTotalSize = 0;
1539 switch (requestInfo->method)
1542 serverRequest.method = OC_REST_GET;
1545 serverRequest.method = OC_REST_PUT;
1548 serverRequest.method = OC_REST_POST;
1551 serverRequest.method = OC_REST_DELETE;
1554 OC_LOG_V(ERROR, TAG, "Received CA method %d not supported", requestInfo->method);
1555 SendDirectStackResponse(endPoint, requestInfo->info.messageId, CA_BAD_REQ,
1556 requestInfo->info.type, requestInfo->info.numOptions,
1557 requestInfo->info.options, requestInfo->info.token,
1558 requestInfo->info.tokenLength, requestInfo->info.resourceUri);
1559 OICFree(serverRequest.payload);
1563 OC_LOG_BUFFER(INFO, TAG, (const uint8_t *)requestInfo->info.token,
1564 requestInfo->info.tokenLength);
1565 serverRequest.requestToken = (CAToken_t)OICMalloc(requestInfo->info.tokenLength);
1566 serverRequest.tokenLength = requestInfo->info.tokenLength;
1568 if (!serverRequest.requestToken)
1570 OC_LOG(FATAL, TAG, "Allocation for token failed.");
1571 SendDirectStackResponse(endPoint, requestInfo->info.messageId, CA_INTERNAL_SERVER_ERROR,
1572 requestInfo->info.type, requestInfo->info.numOptions,
1573 requestInfo->info.options, requestInfo->info.token,
1574 requestInfo->info.tokenLength, requestInfo->info.resourceUri);
1575 OICFree(serverRequest.payload);
1578 memcpy(serverRequest.requestToken, requestInfo->info.token, requestInfo->info.tokenLength);
1580 switch (requestInfo->info.acceptFormat)
1582 case CA_FORMAT_APPLICATION_CBOR:
1583 serverRequest.acceptFormat = OC_FORMAT_CBOR;
1585 case CA_FORMAT_UNDEFINED:
1586 serverRequest.acceptFormat = OC_FORMAT_UNDEFINED;
1589 serverRequest.acceptFormat = OC_FORMAT_UNSUPPORTED;
1592 if (requestInfo->info.type == CA_MSG_CONFIRM)
1594 serverRequest.qos = OC_HIGH_QOS;
1598 serverRequest.qos = OC_LOW_QOS;
1600 // CA does not need the following field
1601 // Are we sure CA does not need them? how is it responding to multicast
1602 serverRequest.delayedResNeeded = 0;
1604 serverRequest.coapID = requestInfo->info.messageId;
1606 CopyEndpointToDevAddr(endPoint, &serverRequest.devAddr);
1608 // copy vendor specific header options
1609 uint8_t tempNum = (requestInfo->info.numOptions);
1610 GetObserveHeaderOption(&serverRequest.observationOption, requestInfo->info.options, &tempNum);
1611 if (requestInfo->info.numOptions > MAX_HEADER_OPTIONS)
1614 "The request info numOptions is greater than MAX_HEADER_OPTIONS");
1615 SendDirectStackResponse(endPoint, requestInfo->info.messageId, CA_BAD_OPT,
1616 requestInfo->info.type, requestInfo->info.numOptions,
1617 requestInfo->info.options, requestInfo->info.token,
1618 requestInfo->info.tokenLength, requestInfo->info.resourceUri);
1619 OICFree(serverRequest.payload);
1620 OICFree(serverRequest.requestToken);
1623 serverRequest.numRcvdVendorSpecificHeaderOptions = tempNum;
1624 if (serverRequest.numRcvdVendorSpecificHeaderOptions)
1626 memcpy (&(serverRequest.rcvdVendorSpecificHeaderOptions), requestInfo->info.options,
1627 sizeof(CAHeaderOption_t)*tempNum);
1630 requestResult = HandleStackRequests (&serverRequest);
1632 // Send ACK to client as precursor to slow response
1633 if(requestResult == OC_STACK_SLOW_RESOURCE)
1635 SendDirectStackResponse(endPoint, requestInfo->info.messageId, CA_EMPTY,
1636 CA_MSG_ACKNOWLEDGE,0, NULL, NULL, 0, NULL);
1638 else if(requestResult != OC_STACK_OK)
1640 OC_LOG_V(ERROR, TAG, "HandleStackRequests failed. error: %d", requestResult);
1642 CAResponseResult_t stackResponse =
1643 OCToCAStackResult(requestResult, serverRequest.method);
1645 SendDirectStackResponse(endPoint, requestInfo->info.messageId, stackResponse,
1646 requestInfo->info.type, requestInfo->info.numOptions,
1647 requestInfo->info.options, requestInfo->info.token,
1648 requestInfo->info.tokenLength, requestInfo->info.resourceUri);
1650 // requestToken is fed to HandleStackRequests, which then goes to AddServerRequest.
1651 // The token is copied in there, and is thus still owned by this function.
1652 OICFree(serverRequest.payload);
1653 OICFree(serverRequest.requestToken);
1654 OC_LOG(INFO, TAG, "Exit HandleCARequests");
1657 OCStackResult HandleStackRequests(OCServerProtocolRequest * protocolRequest)
1659 OC_LOG(INFO, TAG, "Entering HandleStackRequests (OCStack Layer)");
1660 OCStackResult result = OC_STACK_ERROR;
1661 ResourceHandling resHandling;
1662 OCResource *resource;
1663 if(!protocolRequest)
1665 OC_LOG(ERROR, TAG, "protocolRequest is NULL");
1666 return OC_STACK_INVALID_PARAM;
1669 OCServerRequest * request = GetServerRequestUsingToken(protocolRequest->requestToken,
1670 protocolRequest->tokenLength);
1673 OC_LOG(INFO, TAG, "This is a new Server Request");
1674 result = AddServerRequest(&request, protocolRequest->coapID,
1675 protocolRequest->delayedResNeeded, 0, protocolRequest->method,
1676 protocolRequest->numRcvdVendorSpecificHeaderOptions,
1677 protocolRequest->observationOption, protocolRequest->qos,
1678 protocolRequest->query, protocolRequest->rcvdVendorSpecificHeaderOptions,
1679 protocolRequest->payload, protocolRequest->requestToken,
1680 protocolRequest->tokenLength, protocolRequest->resourceUrl,
1681 protocolRequest->reqTotalSize, protocolRequest->acceptFormat,
1682 &protocolRequest->devAddr);
1683 if (OC_STACK_OK != result)
1685 OC_LOG(ERROR, TAG, "Error adding server request");
1691 OC_LOG(ERROR, TAG, "Out of Memory");
1692 return OC_STACK_NO_MEMORY;
1695 if(!protocolRequest->reqMorePacket)
1697 request->requestComplete = 1;
1702 OC_LOG(INFO, TAG, "This is either a repeated or blocked Server Request");
1705 if(request->requestComplete)
1707 OC_LOG(INFO, TAG, "This Server Request is complete");
1708 result = DetermineResourceHandling (request, &resHandling, &resource);
1709 if (result == OC_STACK_OK)
1711 result = ProcessRequest(resHandling, resource, request);
1716 OC_LOG(INFO, TAG, "This Server Request is incomplete");
1717 result = OC_STACK_CONTINUE;
1722 bool validatePlatformInfo(OCPlatformInfo info)
1725 if (!info.platformID)
1727 OC_LOG(ERROR, TAG, "No platform ID found.");
1731 if (info.manufacturerName)
1733 size_t lenManufacturerName = strlen(info.manufacturerName);
1735 if(lenManufacturerName == 0 || lenManufacturerName > MAX_MANUFACTURER_NAME_LENGTH)
1737 OC_LOG(ERROR, TAG, "Manufacturer name fails length requirements.");
1743 OC_LOG(ERROR, TAG, "No manufacturer name present");
1747 if (info.manufacturerUrl)
1749 if(strlen(info.manufacturerUrl) > MAX_MANUFACTURER_URL_LENGTH)
1751 OC_LOG(ERROR, TAG, "Manufacturer url fails length requirements.");
1758 //-----------------------------------------------------------------------------
1760 //-----------------------------------------------------------------------------
1762 OCStackResult OCSetRAInfo(const OCRAInfo_t *raInfo)
1765 !raInfo->username ||
1766 !raInfo->hostname ||
1767 !raInfo->xmpp_domain)
1770 return OC_STACK_INVALID_PARAM;
1772 OCStackResult result = CAResultToOCResult(CASetRAInfo((const CARAInfo_t *) raInfo));
1773 gRASetInfo = (result == OC_STACK_OK)? true : false;
1779 OCStackResult OCInit(const char *ipAddr, uint16_t port, OCMode mode)
1783 return OCInit1(mode, OC_DEFAULT_FLAGS, OC_DEFAULT_FLAGS);
1786 OCStackResult OCInit1(OCMode mode, OCTransportFlags serverFlags, OCTransportFlags clientFlags)
1788 if(stackState == OC_STACK_INITIALIZED)
1790 OC_LOG(INFO, TAG, "Subsequent calls to OCInit() without calling \
1791 OCStop() between them are ignored.");
1795 #ifndef ROUTING_GATEWAY
1796 if (OC_GATEWAY == mode)
1798 OC_LOG(ERROR, TAG, "Routing Manager not supported");
1799 return OC_STACK_INVALID_PARAM;
1806 OC_LOG(ERROR, TAG, "Need to call OCSetRAInfo before calling OCInit");
1807 return OC_STACK_ERROR;
1811 OCStackResult result = OC_STACK_ERROR;
1812 OC_LOG(INFO, TAG, "Entering OCInit");
1815 if (!((mode == OC_CLIENT) || (mode == OC_SERVER) || (mode == OC_CLIENT_SERVER)
1816 || (mode == OC_GATEWAY)))
1818 OC_LOG(ERROR, TAG, "Invalid mode");
1819 return OC_STACK_ERROR;
1823 if (mode == OC_CLIENT || mode == OC_CLIENT_SERVER || mode == OC_GATEWAY)
1825 caglobals.client = true;
1827 if (mode == OC_SERVER || mode == OC_CLIENT_SERVER || mode == OC_GATEWAY)
1829 caglobals.server = true;
1832 caglobals.serverFlags = (CATransportFlags_t)serverFlags;
1833 if (!(caglobals.serverFlags & CA_IPFAMILY_MASK))
1835 caglobals.serverFlags = (CATransportFlags_t)(caglobals.serverFlags|CA_IPV4|CA_IPV6);
1837 caglobals.clientFlags = (CATransportFlags_t)clientFlags;
1838 if (!(caglobals.clientFlags & CA_IPFAMILY_MASK))
1840 caglobals.clientFlags = (CATransportFlags_t)(caglobals.clientFlags|CA_IPV4|CA_IPV6);
1844 if (!(caglobals.serverFlags & CA_IPFAMILY_MASK))
1846 caglobals.serverFlags = (CATransportFlags_t)(caglobals.serverFlags|CA_IPV4);
1848 if (!(caglobals.clientFlags & CA_IPFAMILY_MASK))
1850 caglobals.clientFlags = (CATransportFlags_t)(caglobals.clientFlags|CA_IPV4);
1854 defaultDeviceHandler = NULL;
1855 defaultDeviceHandlerCallbackParameter = NULL;
1858 result = CAResultToOCResult(CAInitialize());
1859 VERIFY_SUCCESS(result, OC_STACK_OK);
1861 result = CAResultToOCResult(OCSelectNetwork());
1862 VERIFY_SUCCESS(result, OC_STACK_OK);
1864 switch (myStackMode)
1867 CARegisterHandler(HandleCARequests, HandleCAResponses, HandleCAErrorResponse);
1868 result = CAResultToOCResult(CAStartDiscoveryServer());
1869 OC_LOG(INFO, TAG, "Client mode: CAStartDiscoveryServer");
1872 SRMRegisterHandler(HandleCARequests, HandleCAResponses, HandleCAErrorResponse);
1873 result = CAResultToOCResult(CAStartListeningServer());
1874 OC_LOG(INFO, TAG, "Server mode: CAStartListeningServer");
1876 case OC_CLIENT_SERVER:
1878 SRMRegisterHandler(HandleCARequests, HandleCAResponses, HandleCAErrorResponse);
1879 result = CAResultToOCResult(CAStartListeningServer());
1880 if(result == OC_STACK_OK)
1882 result = CAResultToOCResult(CAStartDiscoveryServer());
1886 VERIFY_SUCCESS(result, OC_STACK_OK);
1888 #ifdef WITH_PRESENCE
1889 PresenceTimeOutSize = sizeof (PresenceTimeOut) / sizeof (PresenceTimeOut[0]) - 1;
1890 #endif // WITH_PRESENCE
1892 //Update Stack state to initialized
1893 stackState = OC_STACK_INITIALIZED;
1895 // Initialize resource
1896 if(myStackMode != OC_CLIENT)
1898 result = initResources();
1901 // Initialize the SRM Policy Engine
1902 if(result == OC_STACK_OK)
1904 result = SRMInitPolicyEngine();
1905 // TODO after BeachHead delivery: consolidate into single SRMInit()
1908 #ifdef ROUTING_GATEWAY
1909 if (OC_GATEWAY == myStackMode)
1911 result = RMInitialize();
1916 if(result != OC_STACK_OK)
1918 OC_LOG(ERROR, TAG, "Stack initialization error");
1919 deleteAllResources();
1921 stackState = OC_STACK_UNINITIALIZED;
1926 OCStackResult OCStop()
1928 OC_LOG(INFO, TAG, "Entering OCStop");
1930 if (stackState == OC_STACK_UNINIT_IN_PROGRESS)
1932 OC_LOG(DEBUG, TAG, "Stack already stopping, exiting");
1935 else if (stackState != OC_STACK_INITIALIZED)
1937 OC_LOG(ERROR, TAG, "Stack not initialized");
1938 return OC_STACK_ERROR;
1941 stackState = OC_STACK_UNINIT_IN_PROGRESS;
1943 #ifdef WITH_PRESENCE
1944 // Ensure that the TTL associated with ANY and ALL presence notifications originating from
1945 // here send with the code "OC_STACK_PRESENCE_STOPPED" result.
1946 presenceResource.presenceTTL = 0;
1947 #endif // WITH_PRESENCE
1949 #ifdef ROUTING_GATEWAY
1950 if (OC_GATEWAY == myStackMode)
1956 // Free memory dynamically allocated for resources
1957 deleteAllResources();
1959 DeletePlatformInfo();
1961 // Remove all observers
1962 DeleteObserverList();
1963 // Remove all the client callbacks
1964 DeleteClientCBList();
1966 // De-init the SRM Policy Engine
1967 // TODO after BeachHead delivery: consolidate into single SRMDeInit()
1968 SRMDeInitPolicyEngine();
1971 stackState = OC_STACK_UNINITIALIZED;
1975 CAMessageType_t qualityOfServiceToMessageType(OCQualityOfService qos)
1980 return CA_MSG_CONFIRM;
1985 return CA_MSG_NONCONFIRM;
1989 OCStackResult verifyUriQueryLength(const char *inputUri, uint16_t uriLen)
1993 query = strchr (inputUri, '?');
1997 if((query - inputUri) > MAX_URI_LENGTH)
1999 return OC_STACK_INVALID_URI;
2002 if((inputUri + uriLen - 1 - query) > MAX_QUERY_LENGTH)
2004 return OC_STACK_INVALID_QUERY;
2007 else if(uriLen > MAX_URI_LENGTH)
2009 return OC_STACK_INVALID_URI;
2015 * A request uri consists of the following components in order:
2018 * CoAP over UDP prefix "coap://"
2019 * CoAP over TCP prefix "coap+tcp://"
2021 * IPv6 address "[1234::5678]"
2022 * IPv4 address "192.168.1.1"
2023 * optional port ":5683"
2024 * resource uri "/oc/core..."
2026 * for PRESENCE requests, extract resource type.
2028 static OCStackResult ParseRequestUri(const char *fullUri,
2029 OCTransportAdapter adapter,
2030 OCTransportFlags flags,
2031 OCDevAddr **devAddr,
2033 char **resourceType)
2035 VERIFY_NON_NULL(fullUri, FATAL, OC_STACK_INVALID_CALLBACK);
2037 OCStackResult result = OC_STACK_OK;
2038 OCDevAddr *da = NULL;
2042 // provide defaults for all returned values
2049 *resourceUri = NULL;
2053 *resourceType = NULL;
2056 // delimit url prefix, if any
2057 const char *start = fullUri;
2058 char *slash2 = strstr(start, "//");
2063 char *slash = strchr(start, '/');
2066 return OC_STACK_INVALID_URI;
2070 // process url scheme
2071 size_t prefixLen = slash2 - fullUri;
2075 if ((prefixLen == sizeof(COAP_TCP) - 1) && (!strncmp(fullUri, COAP_TCP, prefixLen)))
2082 // TODO: this logic should come in with unit tests exercising the various strings
2083 // processs url prefix, if any
2084 size_t urlLen = slash - start;
2088 if (urlLen && devAddr)
2089 { // construct OCDevAddr
2090 if (start[0] == '[')
2092 char *close = strchr(++start, ']');
2093 if (!close || close > slash)
2095 return OC_STACK_INVALID_URI;
2098 if (close[1] == ':')
2102 adapter = (OCTransportAdapter)(adapter | OC_ADAPTER_IP);
2103 flags = (OCTransportFlags)(flags | OC_IP_USE_V6);
2107 char *dot = strchr(start, '.');
2108 if (dot && dot < slash)
2110 colon = strchr(start, ':');
2111 end = (colon && colon < slash) ? colon : slash;
2115 adapter = (OCTransportAdapter)(adapter | OC_ADAPTER_TCP);
2120 adapter = (OCTransportAdapter)(adapter | OC_ADAPTER_IP);
2121 flags = (OCTransportFlags)(flags | OC_IP_USE_V4);
2130 if (len >= sizeof(da->addr))
2132 return OC_STACK_INVALID_URI;
2134 // collect port, if any
2135 if (colon && colon < slash)
2137 for (colon++; colon < slash; colon++)
2140 if (c < '0' || c > '9')
2142 return OC_STACK_INVALID_URI;
2144 port = 10 * port + c - '0';
2149 if (len >= sizeof(da->addr))
2151 return OC_STACK_INVALID_URI;
2154 da = (OCDevAddr *)OICCalloc(sizeof (OCDevAddr), 1);
2157 return OC_STACK_NO_MEMORY;
2159 OICStrcpyPartial(da->addr, sizeof(da->addr), start, len);
2161 da->adapter = adapter;
2163 if (!strncmp(fullUri, "coaps:", 6))
2165 da->flags = (OCTransportFlags)(da->flags|CA_SECURE);
2170 // process resource uri, if any
2172 { // request uri and query
2173 size_t ulen = strlen(slash); // resource uri length
2174 size_t tlen = 0; // resource type length
2177 static const char strPresence[] = "/oic/ad?rt=";
2178 static const size_t lenPresence = sizeof(strPresence) - 1;
2179 if (!strncmp(slash, strPresence, lenPresence))
2181 type = slash + lenPresence;
2182 tlen = ulen - lenPresence;
2187 *resourceUri = (char *)OICMalloc(ulen + 1);
2190 result = OC_STACK_NO_MEMORY;
2193 strcpy(*resourceUri, slash);
2196 if (type && resourceType)
2198 *resourceType = (char *)OICMalloc(tlen + 1);
2201 result = OC_STACK_NO_MEMORY;
2205 OICStrcpy(*resourceType, (tlen+1), type);
2212 // free all returned values
2219 OICFree(*resourceUri);
2223 OICFree(*resourceType);
2228 static OCStackResult OCPreparePresence(CAEndpoint_t *endpoint,
2229 char *resourceUri, char **requestUri)
2231 char uri[CA_MAX_URI_LENGTH];
2233 FormCanonicalPresenceUri(endpoint, resourceUri, uri);
2235 *requestUri = OICStrdup(uri);
2238 return OC_STACK_NO_MEMORY;
2245 * Discover or Perform requests on a specified resource
2247 OCStackResult OCDoResource(OCDoHandle *handle,
2249 const char *requestUri,
2250 const OCDevAddr *destination,
2252 OCConnectivityType connectivityType,
2253 OCQualityOfService qos,
2254 OCCallbackData *cbData,
2255 OCHeaderOption *options,
2258 OC_LOG(INFO, TAG, "Entering OCDoResource");
2260 // Validate input parameters
2261 VERIFY_NON_NULL(cbData, FATAL, OC_STACK_INVALID_CALLBACK);
2262 VERIFY_NON_NULL(cbData->cb, FATAL, OC_STACK_INVALID_CALLBACK);
2263 VERIFY_NON_NULL(requestUri , FATAL, OC_STACK_INVALID_URI);
2265 OCStackResult result = OC_STACK_ERROR;
2266 CAResult_t caResult;
2267 CAToken_t token = NULL;
2268 uint8_t tokenLength = CA_MAX_TOKEN_LEN;
2269 ClientCB *clientCB = NULL;
2270 OCDoHandle resHandle = NULL;
2271 CAEndpoint_t endpoint = {.adapter = CA_DEFAULT_ADAPTER};
2272 OCDevAddr tmpDevAddr = { OC_DEFAULT_ADAPTER };
2274 OCTransportAdapter adapter;
2275 OCTransportFlags flags;
2276 // the request contents are put here
2277 CARequestInfo_t requestInfo = {.method = CA_GET};
2278 // requestUri will be parsed into the following three variables
2279 OCDevAddr *devAddr = NULL;
2280 char *resourceUri = NULL;
2281 char *resourceType = NULL;
2283 // To track if memory is allocated for additional header options
2284 uint8_t hdrOptionMemAlloc = 0;
2286 // This validation is broken, but doesn't cause harm
2287 size_t uriLen = strlen(requestUri );
2288 if ((result = verifyUriQueryLength(requestUri , uriLen)) != OC_STACK_OK)
2294 * Support original behavior with address on resourceUri argument.
2296 adapter = (OCTransportAdapter)(connectivityType >> CT_ADAPTER_SHIFT);
2297 flags = (OCTransportFlags)(connectivityType & CT_MASK_FLAGS);
2299 result = ParseRequestUri(requestUri, adapter, flags, &devAddr, &resourceUri, &resourceType);
2301 if (result != OC_STACK_OK)
2303 OC_LOG_V(DEBUG, TAG, "Unable to parse uri: %s", requestUri);
2310 case OC_REST_OBSERVE:
2311 case OC_REST_OBSERVE_ALL:
2312 case OC_REST_CANCEL_OBSERVE:
2313 requestInfo.method = CA_GET;
2316 requestInfo.method = CA_PUT;
2319 requestInfo.method = CA_POST;
2321 case OC_REST_DELETE:
2322 requestInfo.method = CA_DELETE;
2324 case OC_REST_DISCOVER:
2326 if (destination || devAddr)
2328 requestInfo.isMulticast = false;
2332 tmpDevAddr.adapter = adapter;
2333 tmpDevAddr.flags = flags;
2334 destination = &tmpDevAddr;
2335 requestInfo.isMulticast = true;
2337 // CA_DISCOVER will become GET and isMulticast
2338 requestInfo.method = CA_GET;
2340 #ifdef WITH_PRESENCE
2341 case OC_REST_PRESENCE:
2342 // Replacing method type with GET because "presence"
2343 // is a stack layer only implementation.
2344 requestInfo.method = CA_GET;
2348 result = OC_STACK_INVALID_METHOD;
2352 if (!devAddr && !destination)
2354 OC_LOG(DEBUG, TAG, "no devAddr and no destination");
2355 result = OC_STACK_INVALID_PARAM;
2359 /* If not original behavior, use destination argument */
2360 if (destination && !devAddr)
2362 devAddr = (OCDevAddr *)OICMalloc(sizeof (OCDevAddr));
2365 result = OC_STACK_NO_MEMORY;
2368 *devAddr = *destination;
2371 resHandle = GenerateInvocationHandle();
2374 result = OC_STACK_NO_MEMORY;
2378 caResult = CAGenerateToken(&token, tokenLength);
2379 if (caResult != CA_STATUS_OK)
2381 OC_LOG(ERROR, TAG, "CAGenerateToken error");
2382 result= OC_STACK_ERROR;
2386 // fill in request data
2387 requestInfo.info.type = qualityOfServiceToMessageType(qos);
2388 requestInfo.info.token = token;
2389 requestInfo.info.tokenLength = tokenLength;
2390 requestInfo.info.resourceUri = resourceUri;
2392 if ((method == OC_REST_OBSERVE) || (method == OC_REST_OBSERVE_ALL))
2394 result = CreateObserveHeaderOption (&(requestInfo.info.options),
2395 options, numOptions, OC_OBSERVE_REGISTER);
2396 if (result != OC_STACK_OK)
2400 hdrOptionMemAlloc = 1;
2401 requestInfo.info.numOptions = numOptions + 1;
2405 requestInfo.info.options = (CAHeaderOption_t*)options;
2406 requestInfo.info.numOptions = numOptions;
2409 CopyDevAddrToEndpoint(devAddr, &endpoint);
2414 OCConvertPayload(payload, &requestInfo.info.payload, &requestInfo.info.payloadSize))
2417 OC_LOG(ERROR, TAG, "Failed to create CBOR Payload");
2420 requestInfo.info.payloadFormat = CA_FORMAT_APPLICATION_CBOR;
2424 requestInfo.info.payload = NULL;
2425 requestInfo.info.payloadSize = 0;
2426 requestInfo.info.payloadFormat = CA_FORMAT_UNDEFINED;
2429 if (result != OC_STACK_OK)
2431 OC_LOG(ERROR, TAG, "CACreateEndpoint error");
2435 // prepare for response
2436 #ifdef WITH_PRESENCE
2437 if (method == OC_REST_PRESENCE)
2439 char *presenceUri = NULL;
2440 result = OCPreparePresence(&endpoint, resourceUri, &presenceUri);
2441 if (OC_STACK_OK != result)
2446 // Assign full presence uri as coap://ip:port/oic/ad to add to callback list.
2447 // Presence notification will form a canonical uri to
2448 // look for callbacks into the application.
2449 resourceUri = presenceUri;
2453 ttl = GetTicks(MAX_CB_TIMEOUT_SECONDS * MILLISECONDS_PER_SECOND);
2454 result = AddClientCB(&clientCB, cbData, token, tokenLength, &resHandle,
2455 method, devAddr, resourceUri, resourceType, ttl);
2456 if (OC_STACK_OK != result)
2461 devAddr = NULL; // Client CB list entry now owns it
2462 resourceUri = NULL; // Client CB list entry now owns it
2463 resourceType = NULL; // Client CB list entry now owns it
2466 result = OCSendRequest(&endpoint, &requestInfo);
2467 if (OC_STACK_OK != result)
2474 *handle = resHandle;
2478 if (result != OC_STACK_OK)
2480 OC_LOG(ERROR, TAG, "OCDoResource error");
2481 FindAndDeleteClientCB(clientCB);
2482 CADestroyToken(token);
2490 // This is the owner of the payload object, so we free it
2491 OCPayloadDestroy(payload);
2492 OICFree(requestInfo.info.payload);
2494 OICFree(resourceUri);
2495 OICFree(resourceType);
2496 if (hdrOptionMemAlloc)
2498 OICFree(requestInfo.info.options);
2503 OCStackResult OCCancel(OCDoHandle handle, OCQualityOfService qos, OCHeaderOption * options,
2507 * This ftn is implemented one of two ways in the case of observation:
2509 * 1. qos == OC_NON_CONFIRMABLE. When observe is unobserved..
2510 * Remove the callback associated on client side.
2511 * When the next notification comes in from server,
2512 * reply with RESET message to server.
2513 * Keep in mind that the server will react to RESET only
2514 * if the last notification was sent as CON
2516 * 2. qos == OC_CONFIRMABLE. When OCCancel is called,
2517 * and it is associated with an observe request
2518 * (i.e. ClientCB->method == OC_REST_OBSERVE || OC_REST_OBSERVE_ALL),
2519 * Send CON Observe request to server with
2520 * observe flag = OC_RESOURCE_OBSERVE_DEREGISTER.
2521 * Remove the callback associated on client side.
2523 OCStackResult ret = OC_STACK_OK;
2524 CAEndpoint_t endpoint = {.adapter = CA_DEFAULT_ADAPTER};
2525 CAInfo_t requestData = {.type = CA_MSG_CONFIRM};
2526 CARequestInfo_t requestInfo = {.method = CA_GET};
2530 return OC_STACK_INVALID_PARAM;
2533 ClientCB *clientCB = GetClientCB(NULL, 0, handle, NULL);
2536 OC_LOG(ERROR, TAG, "Client callback not found. Called OCCancel twice?");
2540 switch (clientCB->method)
2542 case OC_REST_OBSERVE:
2543 case OC_REST_OBSERVE_ALL:
2544 OC_LOG_V(INFO, TAG, "Canceling observation for resource %s",
2545 clientCB->requestUri);
2546 if (qos != OC_HIGH_QOS)
2548 FindAndDeleteClientCB(clientCB);
2553 OC_LOG(INFO, TAG, "Cancelling observation as CONFIRMABLE");
2556 requestData.type = qualityOfServiceToMessageType(qos);
2557 requestData.token = clientCB->token;
2558 requestData.tokenLength = clientCB->tokenLength;
2559 if (CreateObserveHeaderOption (&(requestData.options),
2560 options, numOptions, OC_OBSERVE_DEREGISTER) != OC_STACK_OK)
2562 return OC_STACK_ERROR;
2564 requestData.numOptions = numOptions + 1;
2565 requestData.resourceUri = OICStrdup (clientCB->requestUri);
2567 requestInfo.method = CA_GET;
2568 requestInfo.info = requestData;
2570 CopyDevAddrToEndpoint(clientCB->devAddr, &endpoint);
2573 ret = OCSendRequest(&endpoint, &requestInfo);
2576 #ifdef WITH_PRESENCE
2577 case OC_REST_PRESENCE:
2578 FindAndDeleteClientCB(clientCB);
2583 ret = OC_STACK_INVALID_METHOD;
2588 if (requestData.numOptions > 0)
2590 OICFree(requestData.options);
2592 if (requestData.resourceUri)
2594 OICFree (requestData.resourceUri);
2600 * @brief Register Persistent storage callback.
2601 * @param persistentStorageHandler [IN] Pointers to open, read, write, close & unlink handlers.
2603 * OC_STACK_OK - No errors; Success
2604 * OC_STACK_INVALID_PARAM - Invalid parameter
2606 OCStackResult OCRegisterPersistentStorageHandler(OCPersistentStorage* persistentStorageHandler)
2608 OC_LOG(INFO, TAG, "RegisterPersistentStorageHandler !!");
2609 if(!persistentStorageHandler)
2611 OC_LOG(ERROR, TAG, "The persistent storage handler is invalid");
2612 return OC_STACK_INVALID_PARAM;
2616 if( !persistentStorageHandler->open ||
2617 !persistentStorageHandler->close ||
2618 !persistentStorageHandler->read ||
2619 !persistentStorageHandler->unlink ||
2620 !persistentStorageHandler->write)
2622 OC_LOG(ERROR, TAG, "The persistent storage handler is invalid");
2623 return OC_STACK_INVALID_PARAM;
2626 return SRMRegisterPersistentStorageHandler(persistentStorageHandler);
2629 #ifdef WITH_PRESENCE
2631 OCStackResult OCProcessPresence()
2633 OCStackResult result = OC_STACK_OK;
2635 // the following line floods the log with messages that are irrelevant
2636 // to most purposes. Uncomment as needed.
2637 //OC_LOG(INFO, TAG, "Entering RequestPresence");
2638 ClientCB* cbNode = NULL;
2639 OCClientResponse clientResponse;
2640 OCStackApplicationResult cbResult = OC_STACK_DELETE_TRANSACTION;
2642 LL_FOREACH(cbList, cbNode)
2644 if (OC_REST_PRESENCE != cbNode->method || !cbNode->presence)
2649 uint32_t now = GetTicks(0);
2650 OC_LOG_V(DEBUG, TAG, "this TTL level %d",
2651 cbNode->presence->TTLlevel);
2652 OC_LOG_V(DEBUG, TAG, "current ticks %d", now);
2654 if (cbNode->presence->TTLlevel > PresenceTimeOutSize)
2659 if (cbNode->presence->TTLlevel < PresenceTimeOutSize)
2661 OC_LOG_V(DEBUG, TAG, "timeout ticks %d",
2662 cbNode->presence->timeOut[cbNode->presence->TTLlevel]);
2664 if (cbNode->presence->TTLlevel >= PresenceTimeOutSize)
2666 OC_LOG(DEBUG, TAG, "No more timeout ticks");
2668 clientResponse.sequenceNumber = 0;
2669 clientResponse.result = OC_STACK_PRESENCE_TIMEOUT;
2670 clientResponse.devAddr = *cbNode->devAddr;
2671 FixUpClientResponse(&clientResponse);
2672 clientResponse.payload = NULL;
2674 // Increment the TTLLevel (going to a next state), so we don't keep
2675 // sending presence notification to client.
2676 cbNode->presence->TTLlevel++;
2677 OC_LOG_V(DEBUG, TAG, "moving to TTL level %d",
2678 cbNode->presence->TTLlevel);
2680 cbResult = cbNode->callBack(cbNode->context, cbNode->handle, &clientResponse);
2681 if (cbResult == OC_STACK_DELETE_TRANSACTION)
2683 FindAndDeleteClientCB(cbNode);
2687 if (now < cbNode->presence->timeOut[cbNode->presence->TTLlevel])
2692 CAEndpoint_t endpoint = {.adapter = CA_DEFAULT_ADAPTER};
2693 CAInfo_t requestData = {.type = CA_MSG_CONFIRM};
2694 CARequestInfo_t requestInfo = {.method = CA_GET};
2696 OC_LOG(DEBUG, TAG, "time to test server presence");
2698 CopyDevAddrToEndpoint(cbNode->devAddr, &endpoint);
2700 requestData.type = CA_MSG_NONCONFIRM;
2701 requestData.token = cbNode->token;
2702 requestData.tokenLength = cbNode->tokenLength;
2703 requestData.resourceUri = OC_RSRVD_PRESENCE_URI;
2704 requestInfo.method = CA_GET;
2705 requestInfo.info = requestData;
2707 result = OCSendRequest(&endpoint, &requestInfo);
2708 if (OC_STACK_OK != result)
2713 cbNode->presence->TTLlevel++;
2714 OC_LOG_V(DEBUG, TAG, "moving to TTL level %d", cbNode->presence->TTLlevel);
2717 if (result != OC_STACK_OK)
2719 OC_LOG(ERROR, TAG, "OCProcessPresence error");
2724 #endif // WITH_PRESENCE
2726 OCStackResult OCProcess()
2728 #ifdef WITH_PRESENCE
2729 OCProcessPresence();
2731 CAHandleRequestResponse();
2733 #ifdef ROUTING_GATEWAY
2739 #ifdef WITH_PRESENCE
2740 OCStackResult OCStartPresence(const uint32_t ttl)
2742 uint8_t tokenLength = CA_MAX_TOKEN_LEN;
2743 OCChangeResourceProperty(
2744 &(((OCResource *)presenceResource.handle)->resourceProperties),
2747 if (OC_MAX_PRESENCE_TTL_SECONDS < ttl)
2749 presenceResource.presenceTTL = OC_MAX_PRESENCE_TTL_SECONDS;
2750 OC_LOG(INFO, TAG, "Setting Presence TTL to max value");
2754 presenceResource.presenceTTL = OC_DEFAULT_PRESENCE_TTL_SECONDS;
2755 OC_LOG(INFO, TAG, "Setting Presence TTL to default value");
2759 presenceResource.presenceTTL = ttl;
2761 OC_LOG_V(DEBUG, TAG, "Presence TTL is %lu seconds", presenceResource.presenceTTL);
2763 if (OC_PRESENCE_UNINITIALIZED == presenceState)
2765 presenceState = OC_PRESENCE_INITIALIZED;
2767 OCDevAddr devAddr = { OC_DEFAULT_ADAPTER };
2769 CAToken_t caToken = NULL;
2770 CAResult_t caResult = CAGenerateToken(&caToken, tokenLength);
2771 if (caResult != CA_STATUS_OK)
2773 OC_LOG(ERROR, TAG, "CAGenerateToken error");
2774 CADestroyToken(caToken);
2775 return OC_STACK_ERROR;
2778 AddObserver(OC_RSRVD_PRESENCE_URI, NULL, 0, caToken, tokenLength,
2779 (OCResource *)presenceResource.handle, OC_LOW_QOS, OC_FORMAT_UNDEFINED, &devAddr);
2780 CADestroyToken(caToken);
2783 // Each time OCStartPresence is called
2784 // a different random 32-bit integer number is used
2785 ((OCResource *)presenceResource.handle)->sequenceNum = OCGetRandom();
2787 return SendPresenceNotification(((OCResource *)presenceResource.handle)->rsrcType,
2788 OC_PRESENCE_TRIGGER_CREATE);
2791 OCStackResult OCStopPresence()
2793 OCStackResult result = OC_STACK_ERROR;
2795 if(presenceResource.handle)
2797 ((OCResource *)presenceResource.handle)->sequenceNum = OCGetRandom();
2799 // make resource inactive
2800 result = OCChangeResourceProperty(
2801 &(((OCResource *) presenceResource.handle)->resourceProperties),
2805 if(result != OC_STACK_OK)
2808 "Changing the presence resource properties to ACTIVE not successful");
2812 return SendStopNotification();
2816 OCStackResult OCSetDefaultDeviceEntityHandler(OCDeviceEntityHandler entityHandler,
2817 void* callbackParameter)
2819 defaultDeviceHandler = entityHandler;
2820 defaultDeviceHandlerCallbackParameter = callbackParameter;
2825 OCStackResult OCSetPlatformInfo(OCPlatformInfo platformInfo)
2827 OC_LOG(INFO, TAG, "Entering OCSetPlatformInfo");
2829 if(myStackMode == OC_SERVER || myStackMode == OC_CLIENT_SERVER || myStackMode == OC_GATEWAY)
2831 if (validatePlatformInfo(platformInfo))
2833 return SavePlatformInfo(platformInfo);
2837 return OC_STACK_INVALID_PARAM;
2842 return OC_STACK_ERROR;
2846 OCStackResult OCSetDeviceInfo(OCDeviceInfo deviceInfo)
2848 OC_LOG(INFO, TAG, "Entering OCSetDeviceInfo");
2850 if (!deviceInfo.deviceName || deviceInfo.deviceName[0] == '\0')
2852 OC_LOG(ERROR, TAG, "Null or empty device name.");
2853 return OC_STACK_INVALID_PARAM;
2856 return SaveDeviceInfo(deviceInfo);
2859 OCStackResult OCCreateResource(OCResourceHandle *handle,
2860 const char *resourceTypeName,
2861 const char *resourceInterfaceName,
2862 const char *uri, OCEntityHandler entityHandler,
2863 void* callbackParam,
2864 uint8_t resourceProperties)
2867 OCResource *pointer = NULL;
2869 OCStackResult result = OC_STACK_ERROR;
2871 OC_LOG(INFO, TAG, "Entering OCCreateResource");
2873 if(myStackMode == OC_CLIENT)
2875 return OC_STACK_INVALID_PARAM;
2877 // Validate parameters
2878 if(!uri || uri[0]=='\0' || strlen(uri)>=MAX_URI_LENGTH )
2880 OC_LOG(ERROR, TAG, "URI is empty or too long");
2881 return OC_STACK_INVALID_URI;
2883 // Is it presented during resource discovery?
2884 if (!handle || !resourceTypeName || resourceTypeName[0] == '\0' )
2886 OC_LOG(ERROR, TAG, "Input parameter is NULL");
2887 return OC_STACK_INVALID_PARAM;
2890 if(!resourceInterfaceName || strlen(resourceInterfaceName) == 0)
2892 resourceInterfaceName = OC_RSRVD_INTERFACE_DEFAULT;
2895 // Make sure resourceProperties bitmask has allowed properties specified
2896 if (resourceProperties
2897 > (OC_ACTIVE | OC_DISCOVERABLE | OC_OBSERVABLE | OC_SLOW | OC_SECURE |
2898 OC_EXPLICIT_DISCOVERABLE))
2900 OC_LOG(ERROR, TAG, "Invalid property");
2901 return OC_STACK_INVALID_PARAM;
2904 // If the headResource is NULL, then no resources have been created...
2905 pointer = headResource;
2908 // At least one resources is in the resource list, so we need to search for
2909 // repeated URLs, which are not allowed. If a repeat is found, exit with an error
2912 if (strncmp(uri, pointer->uri, MAX_URI_LENGTH) == 0)
2914 OC_LOG_V(ERROR, TAG, "Resource %s already exists", uri);
2915 return OC_STACK_INVALID_PARAM;
2917 pointer = pointer->next;
2920 // Create the pointer and insert it into the resource list
2921 pointer = (OCResource *) OICCalloc(1, sizeof(OCResource));
2924 result = OC_STACK_NO_MEMORY;
2927 pointer->sequenceNum = OC_OFFSET_SEQUENCE_NUMBER;
2929 insertResource(pointer);
2932 str = OICStrdup(uri);
2935 result = OC_STACK_NO_MEMORY;
2940 // Set properties. Set OC_ACTIVE
2941 pointer->resourceProperties = (OCResourceProperty) (resourceProperties
2944 // Add the resourcetype to the resource
2945 result = BindResourceTypeToResource(pointer, resourceTypeName);
2946 if (result != OC_STACK_OK)
2948 OC_LOG(ERROR, TAG, "Error adding resourcetype");
2952 // Add the resourceinterface to the resource
2953 result = BindResourceInterfaceToResource(pointer, resourceInterfaceName);
2954 if (result != OC_STACK_OK)
2956 OC_LOG(ERROR, TAG, "Error adding resourceinterface");
2960 // If an entity handler has been passed, attach it to the newly created
2961 // resource. Otherwise, set the default entity handler.
2964 pointer->entityHandler = entityHandler;
2965 pointer->entityHandlerCallbackParam = callbackParam;
2969 pointer->entityHandler = defaultResourceEHandler;
2970 pointer->entityHandlerCallbackParam = NULL;
2974 result = OC_STACK_OK;
2976 #ifdef WITH_PRESENCE
2977 if (presenceResource.handle)
2979 ((OCResource *)presenceResource.handle)->sequenceNum = OCGetRandom();
2980 SendPresenceNotification(pointer->rsrcType, OC_PRESENCE_TRIGGER_CREATE);
2984 if (result != OC_STACK_OK)
2986 // Deep delete of resource and other dynamic elements that it contains
2987 deleteResource(pointer);
2994 OCStackResult OCBindResource(
2995 OCResourceHandle collectionHandle, OCResourceHandle resourceHandle)
2997 OCResource *resource = NULL;
3000 OC_LOG(INFO, TAG, "Entering OCBindResource");
3002 // Validate parameters
3003 VERIFY_NON_NULL(collectionHandle, ERROR, OC_STACK_ERROR);
3004 VERIFY_NON_NULL(resourceHandle, ERROR, OC_STACK_ERROR);
3005 // Container cannot contain itself
3006 if (collectionHandle == resourceHandle)
3008 OC_LOG(ERROR, TAG, "Added handle equals collection handle");
3009 return OC_STACK_INVALID_PARAM;
3012 // Use the handle to find the resource in the resource linked list
3013 resource = findResource((OCResource *) collectionHandle);
3016 OC_LOG(ERROR, TAG, "Collection handle not found");
3017 return OC_STACK_INVALID_PARAM;
3020 // Look for an open slot to add add the child resource.
3021 // If found, add it and return success
3022 for (i = 0; i < MAX_CONTAINED_RESOURCES; i++)
3024 if (!resource->rsrcResources[i])
3026 resource->rsrcResources[i] = (OCResource *) resourceHandle;
3027 OC_LOG(INFO, TAG, "resource bound");
3029 #ifdef WITH_PRESENCE
3030 if (presenceResource.handle)
3032 ((OCResource *)presenceResource.handle)->sequenceNum = OCGetRandom();
3033 SendPresenceNotification(((OCResource *) resourceHandle)->rsrcType,
3034 OC_PRESENCE_TRIGGER_CHANGE);
3042 // Unable to add resourceHandle, so return error
3043 return OC_STACK_ERROR;
3046 OCStackResult OCUnBindResource(
3047 OCResourceHandle collectionHandle, OCResourceHandle resourceHandle)
3049 OCResource *resource = NULL;
3052 OC_LOG(INFO, TAG, "Entering OCUnBindResource");
3054 // Validate parameters
3055 VERIFY_NON_NULL(collectionHandle, ERROR, OC_STACK_ERROR);
3056 VERIFY_NON_NULL(resourceHandle, ERROR, OC_STACK_ERROR);
3057 // Container cannot contain itself
3058 if (collectionHandle == resourceHandle)
3060 OC_LOG(ERROR, TAG, "removing handle equals collection handle");
3061 return OC_STACK_INVALID_PARAM;
3064 // Use the handle to find the resource in the resource linked list
3065 resource = findResource((OCResource *) collectionHandle);
3068 OC_LOG(ERROR, TAG, "Collection handle not found");
3069 return OC_STACK_INVALID_PARAM;
3072 // Look for an open slot to add add the child resource.
3073 // If found, add it and return success
3074 for (i = 0; i < MAX_CONTAINED_RESOURCES; i++)
3076 if (resourceHandle == resource->rsrcResources[i])
3078 resource->rsrcResources[i] = (OCResource *) NULL;
3079 OC_LOG(INFO, TAG, "resource unbound");
3081 // Send notification when resource is unbounded successfully.
3082 #ifdef WITH_PRESENCE
3083 if (presenceResource.handle)
3085 ((OCResource *)presenceResource.handle)->sequenceNum = OCGetRandom();
3086 SendPresenceNotification(((OCResource *) resourceHandle)->rsrcType,
3087 OC_PRESENCE_TRIGGER_CHANGE);
3094 OC_LOG(INFO, TAG, "resource not found in collection");
3096 // Unable to add resourceHandle, so return error
3097 return OC_STACK_ERROR;
3100 OCStackResult BindResourceTypeToResource(OCResource* resource,
3101 const char *resourceTypeName)
3103 OCResourceType *pointer = NULL;
3105 OCStackResult result = OC_STACK_ERROR;
3107 VERIFY_NON_NULL(resourceTypeName, ERROR, OC_STACK_INVALID_PARAM);
3109 pointer = (OCResourceType *) OICCalloc(1, sizeof(OCResourceType));
3112 result = OC_STACK_NO_MEMORY;
3116 str = OICStrdup(resourceTypeName);
3119 result = OC_STACK_NO_MEMORY;
3122 pointer->resourcetypename = str;
3124 insertResourceType(resource, pointer);
3125 result = OC_STACK_OK;
3128 if (result != OC_STACK_OK)
3137 OCStackResult BindResourceInterfaceToResource(OCResource* resource,
3138 const char *resourceInterfaceName)
3140 OCResourceInterface *pointer = NULL;
3142 OCStackResult result = OC_STACK_ERROR;
3144 VERIFY_NON_NULL(resourceInterfaceName, ERROR, OC_STACK_INVALID_PARAM);
3146 OC_LOG_V(INFO, TAG, "Binding %s interface to %s", resourceInterfaceName, resource->uri);
3148 pointer = (OCResourceInterface *) OICCalloc(1, sizeof(OCResourceInterface));
3151 result = OC_STACK_NO_MEMORY;
3155 str = OICStrdup(resourceInterfaceName);
3158 result = OC_STACK_NO_MEMORY;
3161 pointer->name = str;
3163 // Bind the resourceinterface to the resource
3164 insertResourceInterface(resource, pointer);
3166 result = OC_STACK_OK;
3169 if (result != OC_STACK_OK)
3178 OCStackResult OCBindResourceTypeToResource(OCResourceHandle handle,
3179 const char *resourceTypeName)
3182 OCStackResult result = OC_STACK_ERROR;
3183 OCResource *resource = NULL;
3185 resource = findResource((OCResource *) handle);
3188 OC_LOG(ERROR, TAG, "Resource not found");
3189 return OC_STACK_ERROR;
3192 result = BindResourceTypeToResource(resource, resourceTypeName);
3194 #ifdef WITH_PRESENCE
3195 if(presenceResource.handle)
3197 ((OCResource *)presenceResource.handle)->sequenceNum = OCGetRandom();
3198 SendPresenceNotification(resource->rsrcType, OC_PRESENCE_TRIGGER_CHANGE);
3205 OCStackResult OCBindResourceInterfaceToResource(OCResourceHandle handle,
3206 const char *resourceInterfaceName)
3209 OCStackResult result = OC_STACK_ERROR;
3210 OCResource *resource = NULL;
3212 resource = findResource((OCResource *) handle);
3215 OC_LOG(ERROR, TAG, "Resource not found");
3216 return OC_STACK_ERROR;
3219 result = BindResourceInterfaceToResource(resource, resourceInterfaceName);
3221 #ifdef WITH_PRESENCE
3222 if (presenceResource.handle)
3224 ((OCResource *)presenceResource.handle)->sequenceNum = OCGetRandom();
3225 SendPresenceNotification(resource->rsrcType, OC_PRESENCE_TRIGGER_CHANGE);
3232 OCStackResult OCGetNumberOfResources(uint8_t *numResources)
3234 OCResource *pointer = headResource;
3236 VERIFY_NON_NULL(numResources, ERROR, OC_STACK_INVALID_PARAM);
3240 *numResources = *numResources + 1;
3241 pointer = pointer->next;
3246 OCResourceHandle OCGetResourceHandle(uint8_t index)
3248 OCResource *pointer = headResource;
3250 for( uint8_t i = 0; i < index && pointer; ++i)
3252 pointer = pointer->next;
3254 return (OCResourceHandle) pointer;
3257 OCStackResult OCDeleteResource(OCResourceHandle handle)
3261 OC_LOG(ERROR, TAG, "Invalid handle for deletion");
3262 return OC_STACK_INVALID_PARAM;
3265 OCResource *resource = findResource((OCResource *) handle);
3266 if (resource == NULL)
3268 OC_LOG(ERROR, TAG, "Resource not found");
3269 return OC_STACK_NO_RESOURCE;
3272 if (deleteResource((OCResource *) handle) != OC_STACK_OK)
3274 OC_LOG(ERROR, TAG, "Error deleting resource");
3275 return OC_STACK_ERROR;
3281 const char *OCGetResourceUri(OCResourceHandle handle)
3283 OCResource *resource = NULL;
3285 resource = findResource((OCResource *) handle);
3288 return resource->uri;
3290 return (const char *) NULL;
3293 OCResourceProperty OCGetResourceProperties(OCResourceHandle handle)
3295 OCResource *resource = NULL;
3297 resource = findResource((OCResource *) handle);
3300 return resource->resourceProperties;
3302 return (OCResourceProperty)-1;
3305 OCStackResult OCGetNumberOfResourceTypes(OCResourceHandle handle,
3306 uint8_t *numResourceTypes)
3308 OCResource *resource = NULL;
3309 OCResourceType *pointer = NULL;
3311 VERIFY_NON_NULL(numResourceTypes, ERROR, OC_STACK_INVALID_PARAM);
3312 VERIFY_NON_NULL(handle, ERROR, OC_STACK_INVALID_PARAM);
3314 *numResourceTypes = 0;
3316 resource = findResource((OCResource *) handle);
3319 pointer = resource->rsrcType;
3322 *numResourceTypes = *numResourceTypes + 1;
3323 pointer = pointer->next;
3329 const char *OCGetResourceTypeName(OCResourceHandle handle, uint8_t index)
3331 OCResourceType *resourceType = NULL;
3333 resourceType = findResourceTypeAtIndex(handle, index);
3336 return resourceType->resourcetypename;
3338 return (const char *) NULL;
3341 OCStackResult OCGetNumberOfResourceInterfaces(OCResourceHandle handle,
3342 uint8_t *numResourceInterfaces)
3344 OCResourceInterface *pointer = NULL;
3345 OCResource *resource = NULL;
3347 VERIFY_NON_NULL(handle, ERROR, OC_STACK_INVALID_PARAM);
3348 VERIFY_NON_NULL(numResourceInterfaces, ERROR, OC_STACK_INVALID_PARAM);
3350 *numResourceInterfaces = 0;
3351 resource = findResource((OCResource *) handle);
3354 pointer = resource->rsrcInterface;
3357 *numResourceInterfaces = *numResourceInterfaces + 1;
3358 pointer = pointer->next;
3364 const char *OCGetResourceInterfaceName(OCResourceHandle handle, uint8_t index)
3366 OCResourceInterface *resourceInterface = NULL;
3368 resourceInterface = findResourceInterfaceAtIndex(handle, index);
3369 if (resourceInterface)
3371 return resourceInterface->name;
3373 return (const char *) NULL;
3376 OCResourceHandle OCGetResourceHandleFromCollection(OCResourceHandle collectionHandle,
3379 OCResource *resource = NULL;
3381 if (index >= MAX_CONTAINED_RESOURCES)
3386 resource = findResource((OCResource *) collectionHandle);
3392 return resource->rsrcResources[index];
3395 OCStackResult OCBindResourceHandler(OCResourceHandle handle,
3396 OCEntityHandler entityHandler,
3397 void* callbackParam)
3399 OCResource *resource = NULL;
3401 // Validate parameters
3402 VERIFY_NON_NULL(handle, ERROR, OC_STACK_INVALID_PARAM);
3404 // Use the handle to find the resource in the resource linked list
3405 resource = findResource((OCResource *)handle);
3408 OC_LOG(ERROR, TAG, "Resource not found");
3409 return OC_STACK_ERROR;
3413 resource->entityHandler = entityHandler;
3414 resource->entityHandlerCallbackParam = callbackParam;
3416 #ifdef WITH_PRESENCE
3417 if (presenceResource.handle)
3419 ((OCResource *)presenceResource.handle)->sequenceNum = OCGetRandom();
3420 SendPresenceNotification(resource->rsrcType, OC_PRESENCE_TRIGGER_CHANGE);
3427 OCEntityHandler OCGetResourceHandler(OCResourceHandle handle)
3429 OCResource *resource = NULL;
3431 resource = findResource((OCResource *)handle);
3434 OC_LOG(ERROR, TAG, "Resource not found");
3439 return resource->entityHandler;
3442 void incrementSequenceNumber(OCResource * resPtr)
3444 // Increment the sequence number
3445 resPtr->sequenceNum += 1;
3446 if (resPtr->sequenceNum == MAX_SEQUENCE_NUMBER)
3448 resPtr->sequenceNum = OC_OFFSET_SEQUENCE_NUMBER+1;
3453 #ifdef WITH_PRESENCE
3454 OCStackResult SendPresenceNotification(OCResourceType *resourceType,
3455 OCPresenceTrigger trigger)
3457 OCResource *resPtr = NULL;
3458 OCStackResult result = OC_STACK_ERROR;
3459 OCMethod method = OC_REST_PRESENCE;
3460 uint32_t maxAge = 0;
3461 resPtr = findResource((OCResource *) presenceResource.handle);
3464 return OC_STACK_NO_RESOURCE;
3467 if((((OCResource *) presenceResource.handle)->resourceProperties) & OC_ACTIVE)
3469 maxAge = presenceResource.presenceTTL;
3471 result = SendAllObserverNotification(method, resPtr, maxAge,
3472 trigger, resourceType, OC_LOW_QOS);
3478 OCStackResult SendStopNotification()
3480 OCResource *resPtr = NULL;
3481 OCStackResult result = OC_STACK_ERROR;
3482 OCMethod method = OC_REST_PRESENCE;
3483 resPtr = findResource((OCResource *) presenceResource.handle);
3486 return OC_STACK_NO_RESOURCE;
3489 // maxAge is 0. ResourceType is NULL.
3490 result = SendAllObserverNotification(method, resPtr, 0, OC_PRESENCE_TRIGGER_DELETE,
3496 #endif // WITH_PRESENCE
3497 OCStackResult OCNotifyAllObservers(OCResourceHandle handle, OCQualityOfService qos)
3499 OCResource *resPtr = NULL;
3500 OCStackResult result = OC_STACK_ERROR;
3501 OCMethod method = OC_REST_NOMETHOD;
3502 uint32_t maxAge = 0;
3504 OC_LOG(INFO, TAG, "Notifying all observers");
3505 #ifdef WITH_PRESENCE
3506 if(handle == presenceResource.handle)
3510 #endif // WITH_PRESENCE
3511 VERIFY_NON_NULL(handle, ERROR, OC_STACK_ERROR);
3513 // Verify that the resource exists
3514 resPtr = findResource ((OCResource *) handle);
3517 return OC_STACK_NO_RESOURCE;
3521 //only increment in the case of regular observing (not presence)
3522 incrementSequenceNumber(resPtr);
3523 method = OC_REST_OBSERVE;
3524 maxAge = MAX_OBSERVE_AGE;
3525 #ifdef WITH_PRESENCE
3526 result = SendAllObserverNotification (method, resPtr, maxAge,
3527 OC_PRESENCE_TRIGGER_DELETE, NULL, qos);
3529 result = SendAllObserverNotification (method, resPtr, maxAge, qos);
3536 OCNotifyListOfObservers (OCResourceHandle handle,
3537 OCObservationId *obsIdList,
3538 uint8_t numberOfIds,
3539 const OCRepPayload *payload,
3540 OCQualityOfService qos)
3542 OC_LOG(INFO, TAG, "Entering OCNotifyListOfObservers");
3544 OCResource *resPtr = NULL;
3545 //TODO: we should allow the server to define this
3546 uint32_t maxAge = MAX_OBSERVE_AGE;
3548 VERIFY_NON_NULL(handle, ERROR, OC_STACK_ERROR);
3549 VERIFY_NON_NULL(obsIdList, ERROR, OC_STACK_ERROR);
3550 VERIFY_NON_NULL(payload, ERROR, OC_STACK_ERROR);
3552 resPtr = findResource ((OCResource *) handle);
3553 if (NULL == resPtr || myStackMode == OC_CLIENT)
3555 return OC_STACK_NO_RESOURCE;
3559 incrementSequenceNumber(resPtr);
3561 return (SendListObserverNotification(resPtr, obsIdList, numberOfIds,
3562 payload, maxAge, qos));
3565 OCStackResult OCDoResponse(OCEntityHandlerResponse *ehResponse)
3567 OCStackResult result = OC_STACK_ERROR;
3568 OCServerRequest *serverRequest = NULL;
3570 OC_LOG(INFO, TAG, "Entering OCDoResponse");
3572 // Validate input parameters
3573 VERIFY_NON_NULL(ehResponse, ERROR, OC_STACK_INVALID_PARAM);
3574 VERIFY_NON_NULL(ehResponse->requestHandle, ERROR, OC_STACK_INVALID_PARAM);
3577 // Get pointer to request info
3578 serverRequest = GetServerRequestUsingHandle((OCServerRequest *)ehResponse->requestHandle);
3581 // response handler in ocserverrequest.c. Usually HandleSingleResponse.
3582 result = serverRequest->ehResponseHandler(ehResponse);
3588 //-----------------------------------------------------------------------------
3589 // Private internal function definitions
3590 //-----------------------------------------------------------------------------
3591 static OCDoHandle GenerateInvocationHandle()
3593 OCDoHandle handle = NULL;
3594 // Generate token here, it will be deleted when the transaction is deleted
3595 handle = (OCDoHandle) OICMalloc(sizeof(uint8_t[CA_MAX_TOKEN_LEN]));
3598 OCFillRandomMem((uint8_t*)handle, sizeof(uint8_t[CA_MAX_TOKEN_LEN]));
3604 #ifdef WITH_PRESENCE
3605 OCStackResult OCChangeResourceProperty(OCResourceProperty * inputProperty,
3606 OCResourceProperty resourceProperties, uint8_t enable)
3610 return OC_STACK_INVALID_PARAM;
3612 if (resourceProperties
3613 > (OC_ACTIVE | OC_DISCOVERABLE | OC_OBSERVABLE | OC_SLOW))
3615 OC_LOG(ERROR, TAG, "Invalid property");
3616 return OC_STACK_INVALID_PARAM;
3620 *inputProperty = (OCResourceProperty) (*inputProperty & ~(resourceProperties));
3624 *inputProperty = (OCResourceProperty) (*inputProperty | resourceProperties);
3630 OCStackResult initResources()
3632 OCStackResult result = OC_STACK_OK;
3634 headResource = NULL;
3635 tailResource = NULL;
3636 // Init Virtual Resources
3637 #ifdef WITH_PRESENCE
3638 presenceResource.presenceTTL = OC_DEFAULT_PRESENCE_TTL_SECONDS;
3640 result = OCCreateResource(&presenceResource.handle,
3641 OC_RSRVD_RESOURCE_TYPE_PRESENCE,
3643 OC_RSRVD_PRESENCE_URI,
3647 //make resource inactive
3648 result = OCChangeResourceProperty(
3649 &(((OCResource *) presenceResource.handle)->resourceProperties),
3653 if (result == OC_STACK_OK)
3655 result = SRMInitSecureResources();
3661 void insertResource(OCResource *resource)
3665 headResource = resource;
3666 tailResource = resource;
3670 tailResource->next = resource;
3671 tailResource = resource;
3673 resource->next = NULL;
3676 OCResource *findResource(OCResource *resource)
3678 OCResource *pointer = headResource;
3682 if (pointer == resource)
3686 pointer = pointer->next;
3691 void deleteAllResources()
3693 OCResource *pointer = headResource;
3694 OCResource *temp = NULL;
3698 temp = pointer->next;
3699 #ifdef WITH_PRESENCE
3700 if (pointer != (OCResource *) presenceResource.handle)
3702 #endif // WITH_PRESENCE
3703 deleteResource(pointer);
3704 #ifdef WITH_PRESENCE
3706 #endif // WITH_PRESENCE
3710 SRMDeInitSecureResources();
3712 #ifdef WITH_PRESENCE
3713 // Ensure that the last resource to be deleted is the presence resource. This allows for all
3714 // presence notification attributed to their deletion to be processed.
3715 deleteResource((OCResource *) presenceResource.handle);
3716 #endif // WITH_PRESENCE
3719 OCStackResult deleteResource(OCResource *resource)
3721 OCResource *prev = NULL;
3722 OCResource *temp = NULL;
3725 OC_LOG(DEBUG,TAG,"resource is NULL");
3726 return OC_STACK_INVALID_PARAM;
3729 OC_LOG_V (INFO, TAG, "Deleting resource %s", resource->uri);
3731 temp = headResource;
3734 if (temp == resource)
3736 // Invalidate all Resource Properties.
3737 resource->resourceProperties = (OCResourceProperty) 0;
3738 #ifdef WITH_PRESENCE
3739 if(resource != (OCResource *) presenceResource.handle)
3741 #endif // WITH_PRESENCE
3742 OCNotifyAllObservers((OCResourceHandle)resource, OC_HIGH_QOS);
3743 #ifdef WITH_PRESENCE
3746 if(presenceResource.handle)
3748 ((OCResource *)presenceResource.handle)->sequenceNum = OCGetRandom();
3749 SendPresenceNotification(resource->rsrcType, OC_PRESENCE_TRIGGER_DELETE);
3752 // Only resource in list.
3753 if (temp == headResource && temp == tailResource)
3755 headResource = NULL;
3756 tailResource = NULL;
3759 else if (temp == headResource)
3761 headResource = temp->next;
3764 else if (temp == tailResource)
3766 tailResource = prev;
3767 tailResource->next = NULL;
3771 prev->next = temp->next;
3774 deleteResourceElements(temp);
3785 return OC_STACK_ERROR;
3788 void deleteResourceElements(OCResource *resource)
3795 OICFree(resource->uri);
3796 deleteResourceType(resource->rsrcType);
3797 deleteResourceInterface(resource->rsrcInterface);
3800 void deleteResourceType(OCResourceType *resourceType)
3802 OCResourceType *pointer = resourceType;
3803 OCResourceType *next = NULL;
3807 next = pointer->next;
3808 OICFree(pointer->resourcetypename);
3814 void deleteResourceInterface(OCResourceInterface *resourceInterface)
3816 OCResourceInterface *pointer = resourceInterface;
3817 OCResourceInterface *next = NULL;
3821 next = pointer->next;
3822 OICFree(pointer->name);
3828 void insertResourceType(OCResource *resource, OCResourceType *resourceType)
3830 OCResourceType *pointer = NULL;
3831 OCResourceType *previous = NULL;
3832 if (!resource || !resourceType)
3836 // resource type list is empty.
3837 else if (!resource->rsrcType)
3839 resource->rsrcType = resourceType;
3843 pointer = resource->rsrcType;
3847 if (!strcmp(resourceType->resourcetypename, pointer->resourcetypename))
3849 OC_LOG_V(INFO, TAG, "Type %s already exists", resourceType->resourcetypename);
3850 OICFree(resourceType->resourcetypename);
3851 OICFree(resourceType);
3855 pointer = pointer->next;
3857 previous->next = resourceType;
3859 resourceType->next = NULL;
3861 OC_LOG_V(INFO, TAG, "Added type %s to %s", resourceType->resourcetypename, resource->uri);
3864 OCResourceType *findResourceTypeAtIndex(OCResourceHandle handle, uint8_t index)
3866 OCResource *resource = NULL;
3867 OCResourceType *pointer = NULL;
3869 // Find the specified resource
3870 resource = findResource((OCResource *) handle);
3876 // Make sure a resource has a resourcetype
3877 if (!resource->rsrcType)
3882 // Iterate through the list
3883 pointer = resource->rsrcType;
3884 for(uint8_t i = 0; i< index && pointer; ++i)
3886 pointer = pointer->next;
3891 OCResourceType *findResourceType(OCResourceType * resourceTypeList, const char * resourceTypeName)
3893 if(resourceTypeList && resourceTypeName)
3895 OCResourceType * rtPointer = resourceTypeList;
3896 while(resourceTypeName && rtPointer)
3898 if(rtPointer->resourcetypename &&
3899 strcmp(resourceTypeName, (const char *)
3900 (rtPointer->resourcetypename)) == 0)
3904 rtPointer = rtPointer->next;
3912 * Insert a new interface into interface linked list only if not already present.
3913 * If alredy present, 2nd arg is free'd.
3914 * Default interface will always be first if present.
3916 void insertResourceInterface(OCResource *resource, OCResourceInterface *newInterface)
3918 OCResourceInterface *pointer = NULL;
3919 OCResourceInterface *previous = NULL;
3921 newInterface->next = NULL;
3923 OCResourceInterface **firstInterface = &(resource->rsrcInterface);
3925 if (!*firstInterface)
3927 *firstInterface = newInterface;
3929 else if (strcmp(newInterface->name, OC_RSRVD_INTERFACE_DEFAULT) == 0)
3931 if (strcmp((*firstInterface)->name, OC_RSRVD_INTERFACE_DEFAULT) == 0)
3933 OICFree(newInterface->name);
3934 OICFree(newInterface);
3939 newInterface->next = *firstInterface;
3940 *firstInterface = newInterface;
3945 pointer = *firstInterface;
3948 if (strcmp(newInterface->name, pointer->name) == 0)
3950 OICFree(newInterface->name);
3951 OICFree(newInterface);
3955 pointer = pointer->next;
3957 previous->next = newInterface;
3961 OCResourceInterface *findResourceInterfaceAtIndex(OCResourceHandle handle,
3964 OCResource *resource = NULL;
3965 OCResourceInterface *pointer = NULL;
3967 // Find the specified resource
3968 resource = findResource((OCResource *) handle);
3974 // Make sure a resource has a resourceinterface
3975 if (!resource->rsrcInterface)
3980 // Iterate through the list
3981 pointer = resource->rsrcInterface;
3983 for (uint8_t i = 0; i < index && pointer; ++i)
3985 pointer = pointer->next;
3991 * This function splits the uri using the '?' delimiter.
3992 * "uriWithoutQuery" is the block of characters between the beginning
3993 * till the delimiter or '\0' which ever comes first.
3994 * "query" is whatever is to the right of the delimiter if present.
3995 * No delimiter sets the query to NULL.
3996 * If either are present, they will be malloc'ed into the params 2, 3.
3997 * The first param, *uri is left untouched.
3999 * NOTE: This function does not account for whitespace at the end of the uri NOR
4000 * malformed uri's with '??'. Whitespace at the end will be assumed to be
4001 * part of the query.
4003 OCStackResult getQueryFromUri(const char * uri, char** query, char ** uriWithoutQuery)
4007 return OC_STACK_INVALID_URI;
4009 if(!query || !uriWithoutQuery)
4011 return OC_STACK_INVALID_PARAM;
4015 *uriWithoutQuery = NULL;
4017 size_t uriWithoutQueryLen = 0;
4018 size_t queryLen = 0;
4019 size_t uriLen = strlen(uri);
4021 char *pointerToDelimiter = strstr(uri, "?");
4023 uriWithoutQueryLen = pointerToDelimiter == NULL ? uriLen : (size_t)(pointerToDelimiter - uri);
4024 queryLen = pointerToDelimiter == NULL ? 0 : uriLen - uriWithoutQueryLen - 1;
4026 if (uriWithoutQueryLen)
4028 *uriWithoutQuery = (char *) OICCalloc(uriWithoutQueryLen + 1, 1);
4029 if (!*uriWithoutQuery)
4033 OICStrcpy(*uriWithoutQuery, uriWithoutQueryLen +1, uri);
4037 *query = (char *) OICCalloc(queryLen + 1, 1);
4040 OICFree(*uriWithoutQuery);
4041 *uriWithoutQuery = NULL;
4044 OICStrcpy(*query, queryLen + 1, pointerToDelimiter + 1);
4050 return OC_STACK_NO_MEMORY;
4053 const OicUuid_t* OCGetServerInstanceID(void)
4055 static bool generated = false;
4056 static OicUuid_t sid;
4062 if (GetDoxmDeviceID(&sid) != OC_STACK_OK)
4064 OC_LOG(FATAL, TAG, "Generate UUID for Server Instance failed!");
4071 const char* OCGetServerInstanceIDString(void)
4073 static bool generated = false;
4074 static char sidStr[UUID_STRING_SIZE];
4081 const OicUuid_t* sid = OCGetServerInstanceID();
4083 if(OCConvertUuidToString(sid->id, sidStr) != RAND_UUID_OK)
4085 OC_LOG(FATAL, TAG, "Generate UUID String for Server Instance failed!");
4093 CAResult_t OCSelectNetwork()
4095 CAResult_t retResult = CA_STATUS_FAILED;
4096 CAResult_t caResult = CA_STATUS_OK;
4098 CATransportAdapter_t connTypes[] = {
4100 CA_ADAPTER_RFCOMM_BTEDR,
4101 CA_ADAPTER_GATT_BTLE
4104 ,CA_ADAPTER_REMOTE_ACCESS
4107 int numConnTypes = sizeof(connTypes)/sizeof(connTypes[0]);
4109 for(int i = 0; i<numConnTypes; i++)
4111 // Ignore CA_NOT_SUPPORTED error. The CA Layer may have not compiled in the interface.
4112 if(caResult == CA_STATUS_OK || caResult == CA_NOT_SUPPORTED)
4114 caResult = CASelectNetwork(connTypes[i]);
4115 if(caResult == CA_STATUS_OK)
4117 retResult = CA_STATUS_OK;
4122 if(retResult != CA_STATUS_OK)
4124 return caResult; // Returns error of appropriate transport that failed fatally.
4130 OCStackResult CAResultToOCResult(CAResult_t caResult)
4136 case CA_STATUS_INVALID_PARAM:
4137 return OC_STACK_INVALID_PARAM;
4138 case CA_ADAPTER_NOT_ENABLED:
4139 return OC_STACK_ADAPTER_NOT_ENABLED;
4140 case CA_SERVER_STARTED_ALREADY:
4142 case CA_SERVER_NOT_STARTED:
4143 return OC_STACK_ERROR;
4144 case CA_DESTINATION_NOT_REACHABLE:
4145 return OC_STACK_COMM_ERROR;
4146 case CA_SOCKET_OPERATION_FAILED:
4147 return OC_STACK_COMM_ERROR;
4148 case CA_SEND_FAILED:
4149 return OC_STACK_COMM_ERROR;
4150 case CA_RECEIVE_FAILED:
4151 return OC_STACK_COMM_ERROR;
4152 case CA_MEMORY_ALLOC_FAILED:
4153 return OC_STACK_NO_MEMORY;
4154 case CA_REQUEST_TIMEOUT:
4155 return OC_STACK_TIMEOUT;
4156 case CA_DESTINATION_DISCONNECTED:
4157 return OC_STACK_COMM_ERROR;
4158 case CA_STATUS_FAILED:
4159 return OC_STACK_ERROR;
4160 case CA_NOT_SUPPORTED:
4161 return OC_STACK_NOTIMPL;
4163 return OC_STACK_ERROR;