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
33 #ifndef __STDC_FORMAT_MACROS
34 #define __STDC_FORMAT_MACROS
36 #ifndef __STDC_LIMIT_MACROS
37 #define __STDC_LIMIT_MACROS
44 #include "ocstackinternal.h"
45 #include "ocresourcehandler.h"
46 #include "occlientcb.h"
47 #include "ocobserve.h"
49 #include "oic_malloc.h"
50 #include "oic_string.h"
52 #include "ocserverrequest.h"
53 #include "secureresourcemanager.h"
54 #include "doxmresource.h"
56 #include "cainterface.h"
57 #include "ocpayload.h"
58 #include "ocpayloadcbor.h"
60 #if defined (ROUTING_GATEWAY) || defined (ROUTING_EP)
61 #include "routingutility.h"
62 #ifdef ROUTING_GATEWAY
63 #include "routingmanager.h"
68 #include "oickeepalive.h"
71 //#ifdef DIRECT_PAIRING
72 #include "directpairing.h"
80 #include "coap_time.h"
84 #if !defined(WITH_ARDUINO) && !defined(__msys_nt__)
85 #include <arpa/inet.h>
88 #if defined(__msys_nt__)
93 #define UINT32_MAX (0xFFFFFFFFUL)
96 //-----------------------------------------------------------------------------
98 //-----------------------------------------------------------------------------
101 OC_STACK_UNINITIALIZED = 0,
102 OC_STACK_INITIALIZED,
103 OC_STACK_UNINIT_IN_PROGRESS
109 OC_PRESENCE_UNINITIALIZED = 0,
110 OC_PRESENCE_INITIALIZED
114 //-----------------------------------------------------------------------------
116 //-----------------------------------------------------------------------------
117 static OCStackState stackState = OC_STACK_UNINITIALIZED;
119 OCResource *headResource = NULL;
120 static OCResource *tailResource = NULL;
121 static OCResourceHandle platformResource = {0};
122 static OCResourceHandle deviceResource = {0};
124 static OCPresenceState presenceState = OC_PRESENCE_UNINITIALIZED;
125 static PresenceResource presenceResource;
126 static uint8_t PresenceTimeOutSize = 0;
127 static uint32_t PresenceTimeOut[] = {50, 75, 85, 95, 100};
130 static OCMode myStackMode;
132 //TODO: revisit this design
133 static bool gRASetInfo = false;
135 OCDeviceEntityHandler defaultDeviceHandler;
136 void* defaultDeviceHandlerCallbackParameter = NULL;
137 static const char COAP_TCP[] = "coap+tcp:";
139 //#ifdef DIRECT_PAIRING
140 OCDirectPairingCB gDirectpairingCallback = NULL;
143 //-----------------------------------------------------------------------------
145 //-----------------------------------------------------------------------------
146 #define TAG "OIC_RI_STACK"
147 #define VERIFY_SUCCESS(op, successCode) { if ((op) != (successCode)) \
148 {OIC_LOG_V(FATAL, TAG, "%s failed!!", #op); goto exit;} }
149 #define VERIFY_NON_NULL(arg, logLevel, retVal) { if (!(arg)) { OIC_LOG((logLevel), \
150 TAG, #arg " is NULL"); return (retVal); } }
151 #define VERIFY_NON_NULL_NR(arg, logLevel) { if (!(arg)) { OIC_LOG((logLevel), \
152 TAG, #arg " is NULL"); return; } }
153 #define VERIFY_NON_NULL_V(arg) { if (!arg) {OIC_LOG(FATAL, TAG, #arg " is NULL");\
156 //TODO: we should allow the server to define this
157 #define MAX_OBSERVE_AGE (0x2FFFFUL)
159 #define MILLISECONDS_PER_SECOND (1000)
161 //-----------------------------------------------------------------------------
162 // Private internal function prototypes
163 //-----------------------------------------------------------------------------
166 * Generate handle of OCDoResource invocation for callback management.
168 * @return Generated OCDoResource handle.
170 static OCDoHandle GenerateInvocationHandle();
173 * Initialize resource data structures, variables, etc.
175 * @return ::OC_STACK_OK on success, some other value upon failure.
177 static OCStackResult initResources();
180 * Add a resource to the end of the linked list of resources.
182 * @param resource Resource to be added
184 static void insertResource(OCResource *resource);
187 * Find a resource in the linked list of resources.
189 * @param resource Resource to be found.
190 * @return Pointer to resource that was found in the linked list or NULL if the resource was not
193 static OCResource *findResource(OCResource *resource);
196 * Insert a resource type into a resource's resource type linked list.
197 * If resource type already exists, it will not be inserted and the
198 * resourceType will be free'd.
199 * resourceType->next should be null to avoid memory leaks.
200 * Function returns silently for null args.
202 * @param resource Resource where resource type is to be inserted.
203 * @param resourceType Resource type to be inserted.
205 static void insertResourceType(OCResource *resource,
206 OCResourceType *resourceType);
209 * Get a resource type at the specified index within a resource.
211 * @param handle Handle of resource.
212 * @param index Index of resource type.
214 * @return Pointer to resource type if found, NULL otherwise.
216 static OCResourceType *findResourceTypeAtIndex(OCResourceHandle handle,
220 * Insert a resource interface into a resource's resource interface linked list.
221 * If resource interface already exists, it will not be inserted and the
222 * resourceInterface will be free'd.
223 * resourceInterface->next should be null to avoid memory leaks.
225 * @param resource Resource where resource interface is to be inserted.
226 * @param resourceInterface Resource interface to be inserted.
228 static void insertResourceInterface(OCResource *resource,
229 OCResourceInterface *resourceInterface);
232 * Get a resource interface at the specified index within a resource.
234 * @param handle Handle of resource.
235 * @param index Index of resource interface.
237 * @return Pointer to resource interface if found, NULL otherwise.
239 static OCResourceInterface *findResourceInterfaceAtIndex(
240 OCResourceHandle handle, uint8_t index);
243 * Delete all of the dynamically allocated elements that were created for the resource type.
245 * @param resourceType Specified resource type.
247 static void deleteResourceType(OCResourceType *resourceType);
250 * Delete all of the dynamically allocated elements that were created for the resource interface.
252 * @param resourceInterface Specified resource interface.
254 static void deleteResourceInterface(OCResourceInterface *resourceInterface);
257 * Delete all of the dynamically allocated elements that were created for the resource.
259 * @param resource Specified resource.
261 static void deleteResourceElements(OCResource *resource);
264 * Delete resource specified by handle. Deletes resource and all resourcetype and resourceinterface
267 * @param handle Handle of resource to be deleted.
269 * @return ::OC_STACK_OK on success, some other value upon failure.
271 static OCStackResult deleteResource(OCResource *resource);
274 * Delete all of the resources in the resource list.
276 static void deleteAllResources();
279 * Increment resource sequence number. Handles rollover.
281 * @param resPtr Pointer to resource.
283 static void incrementSequenceNumber(OCResource * resPtr);
286 * Verify the lengths of the URI and the query separately.
288 * @param inputUri Input URI and query.
289 * @param uriLen The length of the initial URI with query.
290 * @return ::OC_STACK_OK on success, some other value upon failure.
292 static OCStackResult verifyUriQueryLength(const char * inputUri,
296 * Attempts to initialize every network interface that the CA Layer might have compiled in.
298 * Note: At least one interface must succeed to initialize. If all calls to @ref CASelectNetwork
299 * return something other than @ref CA_STATUS_OK, then this function fails.
301 * @return ::CA_STATUS_OK on success, some other value upon failure.
303 static CAResult_t OCSelectNetwork();
306 * Get the CoAP ticks after the specified number of milli-seconds.
308 * @param afterMilliSeconds Milli-seconds.
312 static uint32_t GetTicks(uint32_t afterMilliSeconds);
315 * Convert CAResponseResult_t to OCStackResult.
317 * @param caCode CAResponseResult_t code.
318 * @return ::OC_STACK_OK on success, some other value upon failure.
320 static OCStackResult CAToOCStackResult(CAResponseResult_t caCode);
323 * Convert OCStackResult to CAResponseResult_t.
325 * @param caCode OCStackResult code.
326 * @param method OCMethod method the return code replies to.
327 * @return ::CA_CONTENT on OK, some other value upon failure.
329 static CAResponseResult_t OCToCAStackResult(OCStackResult ocCode, OCMethod method);
332 * Convert OCTransportFlags_t to CATransportModifiers_t.
334 * @param ocConType OCTransportFlags_t input.
335 * @return CATransportFlags
337 static CATransportFlags_t OCToCATransportFlags(OCTransportFlags ocConType);
340 * Convert CATransportFlags_t to OCTransportModifiers_t.
342 * @param caConType CATransportFlags_t input.
343 * @return OCTransportFlags
345 static OCTransportFlags CAToOCTransportFlags(CATransportFlags_t caConType);
348 * Handle response from presence request.
350 * @param endPoint CA remote endpoint.
351 * @param responseInfo CA response info.
352 * @return ::OC_STACK_OK on success, some other value upon failure.
354 static OCStackResult HandlePresenceResponse(const CAEndpoint_t *endPoint,
355 const CAResponseInfo_t *responseInfo);
358 * This function will be called back by CA layer when a response is received.
360 * @param endPoint CA remote endpoint.
361 * @param responseInfo CA response info.
363 static void HandleCAResponses(const CAEndpoint_t* endPoint,
364 const CAResponseInfo_t* responseInfo);
367 * This function will be called back by CA layer when a request is received.
369 * @param endPoint CA remote endpoint.
370 * @param requestInfo CA request info.
372 static void HandleCARequests(const CAEndpoint_t* endPoint,
373 const CARequestInfo_t* requestInfo);
376 * Extract query from a URI.
378 * @param uri Full URI with query.
379 * @param query Pointer to string that will contain query.
380 * @param newURI Pointer to string that will contain URI.
381 * @return ::OC_STACK_OK on success, some other value upon failure.
383 static OCStackResult getQueryFromUri(const char * uri, char** resourceType, char ** newURI);
386 * Finds a resource type in an OCResourceType link-list.
388 * @param resourceTypeList The link-list to be searched through.
389 * @param resourceTypeName The key to search for.
391 * @return Resource type that matches the key (ie. resourceTypeName) or
392 * NULL if there is either an invalid parameter or this function was unable to find the key.
394 static OCResourceType *findResourceType(OCResourceType * resourceTypeList,
395 const char * resourceTypeName);
398 * Reset presence TTL for a ClientCB struct. ttlLevel will be set to 0.
399 * TTL will be set to maxAge.
401 * @param cbNode Callback Node for which presence ttl is to be reset.
402 * @param maxAge New value of ttl in seconds.
404 * @return ::OC_STACK_OK on success, some other value upon failure.
406 static OCStackResult ResetPresenceTTL(ClientCB *cbNode, uint32_t maxAgeSeconds);
409 * Ensure the accept header option is set appropriatly before sending the requests and routing
410 * header option is updated with destination.
412 * @param object CA remote endpoint.
413 * @param requestInfo CA request info.
415 * @return ::OC_STACK_OK on success, some other value upon failure.
417 static OCStackResult OCSendRequest(const CAEndpoint_t *object, CARequestInfo_t *requestInfo);
419 //-----------------------------------------------------------------------------
420 // Internal functions
421 //-----------------------------------------------------------------------------
423 uint32_t GetTicks(uint32_t afterMilliSeconds)
428 // Guard against overflow of uint32_t
429 if (afterMilliSeconds <= ((UINT32_MAX - (uint32_t)now) * MILLISECONDS_PER_SECOND) /
430 COAP_TICKS_PER_SECOND)
432 return now + (afterMilliSeconds * COAP_TICKS_PER_SECOND)/MILLISECONDS_PER_SECOND;
440 void CopyEndpointToDevAddr(const CAEndpoint_t *in, OCDevAddr *out)
442 VERIFY_NON_NULL_NR(in, FATAL);
443 VERIFY_NON_NULL_NR(out, FATAL);
445 out->adapter = (OCTransportAdapter)in->adapter;
446 out->flags = CAToOCTransportFlags(in->flags);
447 OICStrcpy(out->addr, sizeof(out->addr), in->addr);
448 out->port = in->port;
449 out->ifindex = in->ifindex;
450 #if defined (ROUTING_GATEWAY) || defined (ROUTING_EP)
451 memcpy(out->routeData, in->routeData, sizeof(out->routeData));
455 void CopyDevAddrToEndpoint(const OCDevAddr *in, CAEndpoint_t *out)
457 VERIFY_NON_NULL_NR(in, FATAL);
458 VERIFY_NON_NULL_NR(out, FATAL);
460 out->adapter = (CATransportAdapter_t)in->adapter;
461 out->flags = OCToCATransportFlags(in->flags);
462 OICStrcpy(out->addr, sizeof(out->addr), in->addr);
463 #if defined (ROUTING_GATEWAY) || defined (ROUTING_EP)
464 memcpy(out->routeData, in->routeData, sizeof(out->routeData));
466 out->port = in->port;
467 out->ifindex = in->ifindex;
470 void FixUpClientResponse(OCClientResponse *cr)
472 VERIFY_NON_NULL_NR(cr, FATAL);
474 cr->addr = &cr->devAddr;
475 cr->connType = (OCConnectivityType)
476 ((cr->devAddr.adapter << CT_ADAPTER_SHIFT) | (cr->devAddr.flags & CT_MASK_FLAGS));
479 static OCStackResult OCSendRequest(const CAEndpoint_t *object, CARequestInfo_t *requestInfo)
481 VERIFY_NON_NULL(object, FATAL, OC_STACK_INVALID_PARAM);
482 VERIFY_NON_NULL(requestInfo, FATAL, OC_STACK_INVALID_PARAM);
484 #if defined (ROUTING_GATEWAY) || defined (ROUTING_EP)
485 OCStackResult rmResult = RMAddInfo(object->routeData, requestInfo, true, NULL);
486 if (OC_STACK_OK != rmResult)
488 OIC_LOG(ERROR, TAG, "Add destination option failed");
493 // OC stack prefer CBOR encoded payloads.
494 requestInfo->info.acceptFormat = CA_FORMAT_APPLICATION_CBOR;
495 CAResult_t result = CASendRequest(object, requestInfo);
496 if(CA_STATUS_OK != result)
498 OIC_LOG_V(ERROR, TAG, "CASendRequest failed with CA error %u", result);
499 return CAResultToOCResult(result);
503 //-----------------------------------------------------------------------------
504 // Internal API function
505 //-----------------------------------------------------------------------------
507 // This internal function is called to update the stack with the status of
508 // observers and communication failures
509 OCStackResult OCStackFeedBack(CAToken_t token, uint8_t tokenLength, uint8_t status)
511 OCStackResult result = OC_STACK_ERROR;
512 ResourceObserver * observer = NULL;
513 OCEntityHandlerRequest ehRequest = {0};
517 case OC_OBSERVER_NOT_INTERESTED:
518 OIC_LOG(DEBUG, TAG, "observer not interested in our notifications");
519 observer = GetObserverUsingToken (token, tokenLength);
522 result = FormOCEntityHandlerRequest(&ehRequest,
523 (OCRequestHandle)NULL,
526 (OCResourceHandle)NULL,
527 NULL, PAYLOAD_TYPE_REPRESENTATION,
529 OC_OBSERVE_DEREGISTER,
530 observer->observeId);
531 if(result != OC_STACK_OK)
535 observer->resource->entityHandler(OC_OBSERVE_FLAG, &ehRequest,
536 observer->resource->entityHandlerCallbackParam);
539 result = DeleteObserverUsingToken (token, tokenLength);
540 if(result == OC_STACK_OK)
542 OIC_LOG(DEBUG, TAG, "Removed observer successfully");
546 result = OC_STACK_OK;
547 OIC_LOG(DEBUG, TAG, "Observer Removal failed");
551 case OC_OBSERVER_STILL_INTERESTED:
552 OIC_LOG(DEBUG, TAG, "observer still interested, reset the failedCount");
553 observer = GetObserverUsingToken (token, tokenLength);
556 observer->forceHighQos = 0;
557 observer->failedCommCount = 0;
558 result = OC_STACK_OK;
562 result = OC_STACK_OBSERVER_NOT_FOUND;
566 case OC_OBSERVER_FAILED_COMM:
567 OIC_LOG(DEBUG, TAG, "observer is unreachable");
568 observer = GetObserverUsingToken (token, tokenLength);
571 if(observer->failedCommCount >= MAX_OBSERVER_FAILED_COMM)
573 result = FormOCEntityHandlerRequest(&ehRequest,
574 (OCRequestHandle)NULL,
577 (OCResourceHandle)NULL,
578 NULL, PAYLOAD_TYPE_REPRESENTATION,
580 OC_OBSERVE_DEREGISTER,
581 observer->observeId);
582 if(result != OC_STACK_OK)
584 return OC_STACK_ERROR;
586 observer->resource->entityHandler(OC_OBSERVE_FLAG, &ehRequest,
587 observer->resource->entityHandlerCallbackParam);
589 result = DeleteObserverUsingToken (token, tokenLength);
590 if(result == OC_STACK_OK)
592 OIC_LOG(DEBUG, TAG, "Removed observer successfully");
596 result = OC_STACK_OK;
597 OIC_LOG(DEBUG, TAG, "Observer Removal failed");
602 observer->failedCommCount++;
603 result = OC_STACK_CONTINUE;
605 observer->forceHighQos = 1;
606 OIC_LOG_V(DEBUG, TAG, "Failed count for this observer is %d",observer->failedCommCount);
610 OIC_LOG(ERROR, TAG, "Unknown status");
611 result = OC_STACK_ERROR;
616 OCStackResult CAToOCStackResult(CAResponseResult_t caCode)
618 OCStackResult ret = OC_STACK_ERROR;
623 ret = OC_STACK_RESOURCE_CREATED;
626 ret = OC_STACK_RESOURCE_DELETED;
634 ret = OC_STACK_INVALID_QUERY;
636 case CA_UNAUTHORIZED_REQ:
637 ret = OC_STACK_UNAUTHORIZED_REQ;
640 ret = OC_STACK_INVALID_OPTION;
643 ret = OC_STACK_NO_RESOURCE;
645 case CA_RETRANSMIT_TIMEOUT:
646 ret = OC_STACK_COMM_ERROR;
654 CAResponseResult_t OCToCAStackResult(OCStackResult ocCode, OCMethod method)
656 CAResponseResult_t ret = CA_INTERNAL_SERVER_ERROR;
665 // This Response Code is like HTTP 204 "No Content" but only used in
666 // response to POST and PUT requests.
670 // This Response Code is like HTTP 200 "OK" but only used in response to
675 // This should not happen but,
676 // give it a value just in case but output an error
678 OIC_LOG_V(ERROR, TAG, "Unexpected OC_STACK_OK return code for method [%d].", method);
681 case OC_STACK_RESOURCE_CREATED:
684 case OC_STACK_RESOURCE_DELETED:
687 case OC_STACK_INVALID_QUERY:
690 case OC_STACK_INVALID_OPTION:
693 case OC_STACK_NO_RESOURCE:
696 case OC_STACK_COMM_ERROR:
697 ret = CA_RETRANSMIT_TIMEOUT;
699 case OC_STACK_UNAUTHORIZED_REQ:
700 ret = CA_UNAUTHORIZED_REQ;
708 CATransportFlags_t OCToCATransportFlags(OCTransportFlags ocFlags)
710 CATransportFlags_t caFlags = (CATransportFlags_t)ocFlags;
712 // supply default behavior.
713 if ((caFlags & (CA_IPV6|CA_IPV4)) == 0)
715 caFlags = (CATransportFlags_t)(caFlags|CA_IPV6|CA_IPV4);
717 if ((caFlags & OC_MASK_SCOPE) == 0)
719 caFlags = (CATransportFlags_t)(caFlags|OC_SCOPE_LINK);
724 OCTransportFlags CAToOCTransportFlags(CATransportFlags_t caFlags)
726 return (OCTransportFlags)caFlags;
729 static OCStackResult ResetPresenceTTL(ClientCB *cbNode, uint32_t maxAgeSeconds)
731 uint32_t lowerBound = 0;
732 uint32_t higherBound = 0;
734 if (!cbNode || !cbNode->presence || !cbNode->presence->timeOut)
736 return OC_STACK_INVALID_PARAM;
739 OIC_LOG_V(INFO, TAG, "Update presence TTL, time is %u", GetTicks(0));
741 cbNode->presence->TTL = maxAgeSeconds;
743 for (int index = 0; index < PresenceTimeOutSize; index++)
745 // Guard against overflow
746 if (cbNode->presence->TTL < (UINT32_MAX/(MILLISECONDS_PER_SECOND*PresenceTimeOut[index]))
749 lowerBound = GetTicks((PresenceTimeOut[index] *
750 cbNode->presence->TTL *
751 MILLISECONDS_PER_SECOND)/100);
755 lowerBound = GetTicks(UINT32_MAX);
758 if (cbNode->presence->TTL < (UINT32_MAX/(MILLISECONDS_PER_SECOND*PresenceTimeOut[index+1]))
761 higherBound = GetTicks((PresenceTimeOut[index + 1] *
762 cbNode->presence->TTL *
763 MILLISECONDS_PER_SECOND)/100);
767 higherBound = GetTicks(UINT32_MAX);
770 cbNode->presence->timeOut[index] = OCGetRandomRange(lowerBound, higherBound);
772 OIC_LOG_V(DEBUG, TAG, "lowerBound timeout %d", lowerBound);
773 OIC_LOG_V(DEBUG, TAG, "higherBound timeout %d", higherBound);
774 OIC_LOG_V(DEBUG, TAG, "timeOut entry %d", cbNode->presence->timeOut[index]);
777 cbNode->presence->TTLlevel = 0;
779 OIC_LOG_V(DEBUG, TAG, "this TTL level %d", cbNode->presence->TTLlevel);
783 const char *convertTriggerEnumToString(OCPresenceTrigger trigger)
785 if (trigger == OC_PRESENCE_TRIGGER_CREATE)
787 return OC_RSRVD_TRIGGER_CREATE;
789 else if (trigger == OC_PRESENCE_TRIGGER_CHANGE)
791 return OC_RSRVD_TRIGGER_CHANGE;
795 return OC_RSRVD_TRIGGER_DELETE;
799 OCPresenceTrigger convertTriggerStringToEnum(const char * triggerStr)
803 return OC_PRESENCE_TRIGGER_CREATE;
805 else if(strcmp(triggerStr, OC_RSRVD_TRIGGER_CREATE) == 0)
807 return OC_PRESENCE_TRIGGER_CREATE;
809 else if(strcmp(triggerStr, OC_RSRVD_TRIGGER_CHANGE) == 0)
811 return OC_PRESENCE_TRIGGER_CHANGE;
815 return OC_PRESENCE_TRIGGER_DELETE;
820 * The cononical presence allows constructed URIs to be string compared.
822 * requestUri must be a char array of size CA_MAX_URI_LENGTH
824 static int FormCanonicalPresenceUri(const CAEndpoint_t *endpoint, char *resourceUri,
827 VERIFY_NON_NULL(endpoint , FATAL, OC_STACK_INVALID_PARAM);
828 VERIFY_NON_NULL(resourceUri, FATAL, OC_STACK_INVALID_PARAM);
829 VERIFY_NON_NULL(presenceUri, FATAL, OC_STACK_INVALID_PARAM);
831 CAEndpoint_t *ep = (CAEndpoint_t *)endpoint;
833 if (ep->adapter == CA_ADAPTER_IP)
835 if ((ep->flags & CA_IPV6) && !(ep->flags & CA_IPV4))
837 if ('\0' == ep->addr[0]) // multicast
839 return snprintf(presenceUri, CA_MAX_URI_LENGTH, OC_RSRVD_PRESENCE_URI);
843 return snprintf(presenceUri, CA_MAX_URI_LENGTH, "coap://[%s]:%u%s",
844 ep->addr, ep->port, OC_RSRVD_PRESENCE_URI);
849 if ('\0' == ep->addr[0]) // multicast
851 OICStrcpy(ep->addr, sizeof(ep->addr), OC_MULTICAST_IP);
852 ep->port = OC_MULTICAST_PORT;
854 return snprintf(presenceUri, CA_MAX_URI_LENGTH, "coap://%s:%u%s",
855 ep->addr, ep->port, OC_RSRVD_PRESENCE_URI);
859 // might work for other adapters (untested, but better than nothing)
860 return snprintf(presenceUri, CA_MAX_URI_LENGTH, "coap://%s%s", ep->addr,
861 OC_RSRVD_PRESENCE_URI);
865 OCStackResult HandlePresenceResponse(const CAEndpoint_t *endpoint,
866 const CAResponseInfo_t *responseInfo)
868 VERIFY_NON_NULL(endpoint, FATAL, OC_STACK_INVALID_PARAM);
869 VERIFY_NON_NULL(responseInfo, FATAL, OC_STACK_INVALID_PARAM);
871 OCStackApplicationResult cbResult = OC_STACK_DELETE_TRANSACTION;
872 ClientCB * cbNode = NULL;
873 char *resourceTypeName = NULL;
874 OCClientResponse response = {.devAddr = {.adapter = OC_DEFAULT_ADAPTER}};
875 OCStackResult result = OC_STACK_ERROR;
878 char presenceUri[CA_MAX_URI_LENGTH];
880 int presenceSubscribe = 0;
881 int multicastPresenceSubscribe = 0;
883 if (responseInfo->result != CA_CONTENT)
885 OIC_LOG_V(ERROR, TAG, "HandlePresenceResponse failed %d", responseInfo->result);
886 return OC_STACK_ERROR;
889 // check for unicast presence
890 uriLen = FormCanonicalPresenceUri(endpoint, OC_RSRVD_PRESENCE_URI, presenceUri);
891 if (uriLen < 0 || (size_t)uriLen >= sizeof (presenceUri))
893 return OC_STACK_INVALID_URI;
896 cbNode = GetClientCB(NULL, 0, NULL, presenceUri);
899 presenceSubscribe = 1;
903 // check for multiicast presence
904 CAEndpoint_t ep = { .adapter = endpoint->adapter,
905 .flags = endpoint->flags };
907 uriLen = FormCanonicalPresenceUri(&ep, OC_RSRVD_PRESENCE_URI, presenceUri);
909 cbNode = GetClientCB(NULL, 0, NULL, presenceUri);
912 multicastPresenceSubscribe = 1;
916 if (!presenceSubscribe && !multicastPresenceSubscribe)
918 OIC_LOG(ERROR, TAG, "Received a presence notification, but no callback, ignoring");
922 response.payload = NULL;
923 response.result = OC_STACK_OK;
925 CopyEndpointToDevAddr(endpoint, &response.devAddr);
926 FixUpClientResponse(&response);
928 if (responseInfo->info.payload)
930 result = OCParsePayload(&response.payload,
931 PAYLOAD_TYPE_PRESENCE,
932 responseInfo->info.payload,
933 responseInfo->info.payloadSize);
935 if(result != OC_STACK_OK)
937 OIC_LOG(ERROR, TAG, "Presence parse failed");
940 if(!response.payload || response.payload->type != PAYLOAD_TYPE_PRESENCE)
942 OIC_LOG(ERROR, TAG, "Presence payload was wrong type");
943 result = OC_STACK_ERROR;
946 response.sequenceNumber = ((OCPresencePayload*)response.payload)->sequenceNumber;
947 resourceTypeName = ((OCPresencePayload*)response.payload)->resourceType;
948 maxAge = ((OCPresencePayload*)response.payload)->maxAge;
951 if (presenceSubscribe)
953 if(cbNode->sequenceNumber == response.sequenceNumber)
955 OIC_LOG(INFO, TAG, "No presence change");
956 ResetPresenceTTL(cbNode, maxAge);
957 OIC_LOG_V(INFO, TAG, "ResetPresenceTTL - TTLlevel:%d\n", cbNode->presence->TTLlevel);
963 OIC_LOG(INFO, TAG, "Stopping presence");
964 response.result = OC_STACK_PRESENCE_STOPPED;
967 OICFree(cbNode->presence->timeOut);
968 OICFree(cbNode->presence);
969 cbNode->presence = NULL;
974 if(!cbNode->presence)
976 cbNode->presence = (OCPresence *)OICMalloc(sizeof (OCPresence));
978 if(!(cbNode->presence))
980 OIC_LOG(ERROR, TAG, "Could not allocate memory for cbNode->presence");
981 result = OC_STACK_NO_MEMORY;
985 VERIFY_NON_NULL_V(cbNode->presence);
986 cbNode->presence->timeOut = NULL;
987 cbNode->presence->timeOut = (uint32_t *)
988 OICMalloc(PresenceTimeOutSize * sizeof(uint32_t));
989 if(!(cbNode->presence->timeOut)){
991 "Could not allocate memory for cbNode->presence->timeOut");
992 OICFree(cbNode->presence);
993 result = OC_STACK_NO_MEMORY;
998 ResetPresenceTTL(cbNode, maxAge);
1000 cbNode->sequenceNumber = response.sequenceNumber;
1002 // Ensure that a filter is actually applied.
1003 if( resourceTypeName && cbNode->filterResourceType)
1005 if(!findResourceType(cbNode->filterResourceType, resourceTypeName))
1014 // This is the multicast case
1015 OCMulticastNode* mcNode = NULL;
1016 mcNode = GetMCPresenceNode(presenceUri);
1020 if(mcNode->nonce == response.sequenceNumber)
1022 OIC_LOG(INFO, TAG, "No presence change (Multicast)");
1025 mcNode->nonce = response.sequenceNumber;
1029 OIC_LOG(INFO, TAG, "Stopping presence");
1030 response.result = OC_STACK_PRESENCE_STOPPED;
1035 char* uri = OICStrdup(presenceUri);
1039 "No Memory for URI to store in the presence node");
1040 result = OC_STACK_NO_MEMORY;
1044 result = AddMCPresenceNode(&mcNode, uri, response.sequenceNumber);
1045 if(result == OC_STACK_NO_MEMORY)
1048 "No Memory for Multicast Presence Node");
1052 // presence node now owns uri
1055 // Ensure that a filter is actually applied.
1056 if(resourceTypeName && cbNode->filterResourceType)
1058 if(!findResourceType(cbNode->filterResourceType, resourceTypeName))
1065 cbResult = cbNode->callBack(cbNode->context, cbNode->handle, &response);
1067 if (cbResult == OC_STACK_DELETE_TRANSACTION)
1069 FindAndDeleteClientCB(cbNode);
1073 OCPayloadDestroy(response.payload);
1077 void OCHandleResponse(const CAEndpoint_t* endPoint, const CAResponseInfo_t* responseInfo)
1079 OIC_LOG(DEBUG, TAG, "Enter OCHandleResponse");
1081 if(responseInfo->info.resourceUri &&
1082 strcmp(responseInfo->info.resourceUri, OC_RSRVD_PRESENCE_URI) == 0)
1084 HandlePresenceResponse(endPoint, responseInfo);
1088 ClientCB *cbNode = GetClientCB(responseInfo->info.token,
1089 responseInfo->info.tokenLength, NULL, NULL);
1091 ResourceObserver * observer = GetObserverUsingToken (responseInfo->info.token,
1092 responseInfo->info.tokenLength);
1096 OIC_LOG(INFO, TAG, "There is a cbNode associated with the response token");
1097 if(responseInfo->result == CA_EMPTY)
1099 OIC_LOG(INFO, TAG, "Receiving A ACK/RESET for this token");
1100 // We do not have a case for the client to receive a RESET
1101 if(responseInfo->info.type == CA_MSG_ACKNOWLEDGE)
1103 //This is the case of receiving an ACK on a request to a slow resource!
1104 OIC_LOG(INFO, TAG, "This is a pure ACK");
1105 //TODO: should we inform the client
1106 // app that at least the request was received at the server?
1109 else if(responseInfo->result == CA_RETRANSMIT_TIMEOUT)
1111 OIC_LOG(INFO, TAG, "Receiving A Timeout for this token");
1112 OIC_LOG(INFO, TAG, "Calling into application address space");
1114 OCClientResponse response =
1115 {.devAddr = {.adapter = OC_DEFAULT_ADAPTER}};
1116 CopyEndpointToDevAddr(endPoint, &response.devAddr);
1117 FixUpClientResponse(&response);
1118 response.resourceUri = responseInfo->info.resourceUri;
1119 memcpy(response.identity.id, responseInfo->info.identity.id,
1120 sizeof (response.identity.id));
1121 response.identity.id_length = responseInfo->info.identity.id_length;
1123 response.result = CAToOCStackResult(responseInfo->result);
1124 cbNode->callBack(cbNode->context,
1125 cbNode->handle, &response);
1126 FindAndDeleteClientCB(cbNode);
1130 OIC_LOG(INFO, TAG, "This is a regular response, A client call back is found");
1131 OIC_LOG(INFO, TAG, "Calling into application address space");
1133 OCClientResponse response =
1134 {.devAddr = {.adapter = OC_DEFAULT_ADAPTER}};
1135 response.sequenceNumber = OC_OBSERVE_NO_OPTION;
1136 CopyEndpointToDevAddr(endPoint, &response.devAddr);
1137 FixUpClientResponse(&response);
1138 response.resourceUri = responseInfo->info.resourceUri;
1139 memcpy(response.identity.id, responseInfo->info.identity.id,
1140 sizeof (response.identity.id));
1141 response.identity.id_length = responseInfo->info.identity.id_length;
1143 response.result = CAToOCStackResult(responseInfo->result);
1145 if(responseInfo->info.payload &&
1146 responseInfo->info.payloadSize)
1148 OCPayloadType type = PAYLOAD_TYPE_INVALID;
1149 // check the security resource
1150 if (SRMIsSecurityResourceURI(cbNode->requestUri))
1152 type = PAYLOAD_TYPE_SECURITY;
1154 else if (cbNode->method == OC_REST_DISCOVER)
1156 if (strncmp(OC_RSRVD_WELL_KNOWN_URI,cbNode->requestUri,
1157 sizeof(OC_RSRVD_WELL_KNOWN_URI) - 1) == 0)
1159 type = PAYLOAD_TYPE_DISCOVERY;
1161 else if (strcmp(cbNode->requestUri, OC_RSRVD_DEVICE_URI) == 0)
1163 type = PAYLOAD_TYPE_DEVICE;
1165 else if (strcmp(cbNode->requestUri, OC_RSRVD_PLATFORM_URI) == 0)
1167 type = PAYLOAD_TYPE_PLATFORM;
1169 #ifdef ROUTING_GATEWAY
1170 else if (strcmp(cbNode->requestUri, OC_RSRVD_GATEWAY_URI) == 0)
1172 type = PAYLOAD_TYPE_REPRESENTATION;
1175 else if (strcmp(cbNode->requestUri, OC_RSRVD_RD_URI) == 0)
1177 type = PAYLOAD_TYPE_RD;
1180 else if (strcmp(cbNode->requestUri, KEEPALIVE_RESOURCE_URI) == 0)
1182 type = PAYLOAD_TYPE_REPRESENTATION;
1187 OIC_LOG_V(ERROR, TAG, "Unknown Payload type in Discovery: %d %s",
1188 cbNode->method, cbNode->requestUri);
1192 else if (cbNode->method == OC_REST_GET ||
1193 cbNode->method == OC_REST_PUT ||
1194 cbNode->method == OC_REST_POST ||
1195 cbNode->method == OC_REST_OBSERVE ||
1196 cbNode->method == OC_REST_OBSERVE_ALL ||
1197 cbNode->method == OC_REST_DELETE)
1199 char targetUri[MAX_URI_LENGTH];
1200 snprintf(targetUri, MAX_URI_LENGTH, "%s?rt=%s", OC_RSRVD_RD_URI,
1201 OC_RSRVD_RESOURCE_TYPE_RDPUBLISH);
1202 if (strcmp(targetUri, cbNode->requestUri) == 0)
1204 type = PAYLOAD_TYPE_RD;
1206 else if (strcmp(OC_RSRVD_PLATFORM_URI, cbNode->requestUri) == 0)
1208 type = PAYLOAD_TYPE_PLATFORM;
1210 else if (strcmp(OC_RSRVD_DEVICE_URI, cbNode->requestUri) == 0)
1212 type = PAYLOAD_TYPE_DEVICE;
1214 if (type == PAYLOAD_TYPE_INVALID)
1216 OIC_LOG_V(INFO, TAG, "Assuming PAYLOAD_TYPE_REPRESENTATION: %d %s",
1217 cbNode->method, cbNode->requestUri);
1218 type = PAYLOAD_TYPE_REPRESENTATION;
1223 OIC_LOG_V(ERROR, TAG, "Unknown Payload type: %d %s",
1224 cbNode->method, cbNode->requestUri);
1228 if(OC_STACK_OK != OCParsePayload(&response.payload,
1230 responseInfo->info.payload,
1231 responseInfo->info.payloadSize))
1233 OIC_LOG(ERROR, TAG, "Error converting payload");
1234 OCPayloadDestroy(response.payload);
1239 response.numRcvdVendorSpecificHeaderOptions = 0;
1240 if(responseInfo->info.numOptions > 0)
1243 //First option always with option ID is COAP_OPTION_OBSERVE if it is available.
1244 if(responseInfo->info.options[0].optionID == COAP_OPTION_OBSERVE)
1247 uint32_t observationOption;
1248 uint8_t* optionData = (uint8_t*)responseInfo->info.options[0].optionData;
1249 for (observationOption=0, i=0;
1250 i<sizeof(uint32_t) && i<responseInfo->info.options[0].optionLength;
1254 (observationOption << 8) | optionData[i];
1256 response.sequenceNumber = observationOption;
1258 response.numRcvdVendorSpecificHeaderOptions = responseInfo->info.numOptions - 1;
1263 response.numRcvdVendorSpecificHeaderOptions = responseInfo->info.numOptions;
1266 if(response.numRcvdVendorSpecificHeaderOptions > MAX_HEADER_OPTIONS)
1268 OIC_LOG(ERROR, TAG, "#header options are more than MAX_HEADER_OPTIONS");
1269 OCPayloadDestroy(response.payload);
1273 for (uint8_t i = start; i < responseInfo->info.numOptions; i++)
1275 memcpy (&(response.rcvdVendorSpecificHeaderOptions[i-start]),
1276 &(responseInfo->info.options[i]), sizeof(OCHeaderOption));
1280 if (cbNode->method == OC_REST_OBSERVE &&
1281 response.sequenceNumber > OC_OFFSET_SEQUENCE_NUMBER &&
1282 response.sequenceNumber <= cbNode->sequenceNumber)
1284 OIC_LOG_V(INFO, TAG, "Received stale notification. Number :%d",
1285 response.sequenceNumber);
1289 OCStackApplicationResult appFeedback = cbNode->callBack(cbNode->context,
1292 cbNode->sequenceNumber = response.sequenceNumber;
1294 if (appFeedback == OC_STACK_DELETE_TRANSACTION)
1296 FindAndDeleteClientCB(cbNode);
1300 // To keep discovery callbacks active.
1301 cbNode->TTL = GetTicks(MAX_CB_TIMEOUT_SECONDS *
1302 MILLISECONDS_PER_SECOND);
1306 //Need to send ACK when the response is CON
1307 if(responseInfo->info.type == CA_MSG_CONFIRM)
1309 SendDirectStackResponse(endPoint, responseInfo->info.messageId, CA_EMPTY,
1310 CA_MSG_ACKNOWLEDGE, 0, NULL, NULL, 0, NULL);
1313 OCPayloadDestroy(response.payload);
1320 OIC_LOG(INFO, TAG, "There is an observer associated with the response token");
1321 if(responseInfo->result == CA_EMPTY)
1323 OIC_LOG(INFO, TAG, "Receiving A ACK/RESET for this token");
1324 if(responseInfo->info.type == CA_MSG_RESET)
1326 OIC_LOG(INFO, TAG, "This is a RESET");
1327 OCStackFeedBack(responseInfo->info.token, responseInfo->info.tokenLength,
1328 OC_OBSERVER_NOT_INTERESTED);
1330 else if(responseInfo->info.type == CA_MSG_ACKNOWLEDGE)
1332 OIC_LOG(INFO, TAG, "This is a pure ACK");
1333 OCStackFeedBack(responseInfo->info.token, responseInfo->info.tokenLength,
1334 OC_OBSERVER_STILL_INTERESTED);
1337 else if(responseInfo->result == CA_RETRANSMIT_TIMEOUT)
1339 OIC_LOG(INFO, TAG, "Receiving Time Out for an observer");
1340 OCStackFeedBack(responseInfo->info.token, responseInfo->info.tokenLength,
1341 OC_OBSERVER_FAILED_COMM);
1346 if(!cbNode && !observer)
1348 if(myStackMode == OC_CLIENT || myStackMode == OC_CLIENT_SERVER
1349 || myStackMode == OC_GATEWAY)
1351 OIC_LOG(INFO, TAG, "This is a client, but no cbNode was found for token");
1352 if(responseInfo->result == CA_EMPTY)
1354 OIC_LOG(INFO, TAG, "Receiving CA_EMPTY in the ocstack");
1358 OIC_LOG(INFO, TAG, "Received a message without callbacks. Sending RESET");
1359 SendDirectStackResponse(endPoint, responseInfo->info.messageId, CA_EMPTY,
1360 CA_MSG_RESET, 0, NULL, NULL, 0, NULL);
1364 if(myStackMode == OC_SERVER || myStackMode == OC_CLIENT_SERVER
1365 || myStackMode == OC_GATEWAY)
1367 OIC_LOG(INFO, TAG, "This is a server, but no observer was found for token");
1368 if (responseInfo->info.type == CA_MSG_ACKNOWLEDGE)
1370 OIC_LOG_V(INFO, TAG, "Received ACK at server for messageId : %d",
1371 responseInfo->info.messageId);
1373 if (responseInfo->info.type == CA_MSG_RESET)
1375 OIC_LOG_V(INFO, TAG, "Received RESET at server for messageId : %d",
1376 responseInfo->info.messageId);
1383 OIC_LOG(INFO, TAG, "Exit HandleCAResponses");
1386 void HandleCAResponses(const CAEndpoint_t* endPoint, const CAResponseInfo_t* responseInfo)
1388 VERIFY_NON_NULL_NR(endPoint, FATAL);
1389 VERIFY_NON_NULL_NR(responseInfo, FATAL);
1391 OIC_LOG(INFO, TAG, "Enter HandleCAResponses");
1393 #if defined (ROUTING_GATEWAY) || defined (ROUTING_EP)
1394 #ifdef ROUTING_GATEWAY
1395 bool needRIHandling = false;
1397 * Routing manager is going to update either of endpoint or response or both.
1398 * This typecasting is done to avoid unnecessary duplication of Endpoint and responseInfo
1399 * RM can update "routeData" option in endPoint so that future RI requests can be sent to proper
1402 OCStackResult ret = RMHandleResponse((CAResponseInfo_t *)responseInfo, (CAEndpoint_t *)endPoint,
1404 if(ret != OC_STACK_OK || !needRIHandling)
1406 OIC_LOG_V(INFO, TAG, "Routing status![%d]. Not forwarding to RI", ret);
1412 * Put source in sender endpoint so that the next packet from application can be routed to
1413 * proper destination and remove "RM" coap header option before passing request / response to
1414 * RI as this option will make no sense to either RI or application.
1416 RMUpdateInfo((CAHeaderOption_t **) &(responseInfo->info.options),
1417 (uint8_t *) &(responseInfo->info.numOptions),
1418 (CAEndpoint_t *) endPoint);
1421 OCHandleResponse(endPoint, responseInfo);
1423 OIC_LOG(INFO, TAG, "Exit HandleCAResponses");
1427 * This function handles error response from CA
1428 * code shall be added to handle the errors
1430 void HandleCAErrorResponse(const CAEndpoint_t *endPoint, const CAErrorInfo_t *errrorInfo)
1432 OIC_LOG(INFO, TAG, "Enter HandleCAErrorResponse");
1434 if(NULL == endPoint)
1436 OIC_LOG(ERROR, TAG, "endPoint is NULL");
1440 if(NULL == errrorInfo)
1442 OIC_LOG(ERROR, TAG, "errrorInfo is NULL");
1445 OIC_LOG(INFO, TAG, "Exit HandleCAErrorResponse");
1449 * This function sends out Direct Stack Responses. These are responses that are not coming
1450 * from the application entity handler. These responses have no payload and are usually ACKs,
1451 * RESETs or some error conditions that were caught by the stack.
1453 OCStackResult SendDirectStackResponse(const CAEndpoint_t* endPoint, const uint16_t coapID,
1454 const CAResponseResult_t responseResult, const CAMessageType_t type,
1455 const uint8_t numOptions, const CAHeaderOption_t *options,
1456 CAToken_t token, uint8_t tokenLength, const char *resourceUri)
1458 OIC_LOG(DEBUG, TAG, "Entering SendDirectStackResponse");
1459 CAResponseInfo_t respInfo = {
1460 .result = responseResult
1462 respInfo.info.messageId = coapID;
1463 respInfo.info.numOptions = numOptions;
1465 if (respInfo.info.numOptions)
1467 respInfo.info.options =
1468 (CAHeaderOption_t *)OICCalloc(respInfo.info.numOptions, sizeof(CAHeaderOption_t));
1469 memcpy (respInfo.info.options, options,
1470 sizeof(CAHeaderOption_t) * respInfo.info.numOptions);
1474 respInfo.info.payload = NULL;
1475 respInfo.info.token = token;
1476 respInfo.info.tokenLength = tokenLength;
1477 respInfo.info.type = type;
1478 respInfo.info.resourceUri = OICStrdup (resourceUri);
1479 respInfo.info.acceptFormat = CA_FORMAT_UNDEFINED;
1481 #if defined (ROUTING_GATEWAY) || defined (ROUTING_EP)
1482 // Add the destination to route option from the endpoint->routeData.
1483 bool doPost = false;
1484 OCStackResult result = RMAddInfo(endPoint->routeData, &respInfo, false, &doPost);
1485 if(OC_STACK_OK != result)
1487 OIC_LOG_V(ERROR, TAG, "Add routing option failed [%d]", result);
1492 OIC_LOG(DEBUG, TAG, "Sending a POST message for EMPTY ACK in Client Mode");
1493 CARequestInfo_t reqInfo = {.method = CA_POST };
1494 /* The following initialization is not done in a single initializer block as in
1495 * arduino, .c file is compiled as .cpp and moves it from C99 to C++11. The latter
1496 * does not have designated initalizers. This is a work-around for now.
1498 reqInfo.info.type = CA_MSG_NONCONFIRM;
1499 reqInfo.info.messageId = coapID;
1500 reqInfo.info.tokenLength = tokenLength;
1501 reqInfo.info.token = token;
1502 reqInfo.info.numOptions = respInfo.info.numOptions;
1503 reqInfo.info.payload = NULL;
1504 reqInfo.info.resourceUri = OICStrdup (OC_RSRVD_GATEWAY_URI);
1505 if (reqInfo.info.numOptions)
1507 reqInfo.info.options =
1508 (CAHeaderOption_t *)OICCalloc(reqInfo.info.numOptions, sizeof(CAHeaderOption_t));
1509 if (NULL == reqInfo.info.options)
1511 OIC_LOG(ERROR, TAG, "Calloc failed");
1512 return OC_STACK_NO_MEMORY;
1514 memcpy (reqInfo.info.options, respInfo.info.options,
1515 sizeof(CAHeaderOption_t) * reqInfo.info.numOptions);
1518 CAResult_t caResult = CASendRequest(endPoint, &reqInfo);
1519 OICFree (reqInfo.info.resourceUri);
1520 OICFree (reqInfo.info.options);
1521 OICFree (respInfo.info.resourceUri);
1522 OICFree (respInfo.info.options);
1523 if (CA_STATUS_OK != caResult)
1525 OIC_LOG(ERROR, TAG, "CASendRequest error");
1526 return CAResultToOCResult(caResult);
1532 CAResult_t caResult = CASendResponse(endPoint, &respInfo);
1534 // resourceUri in the info field is cloned in the CA layer and
1535 // thus ownership is still here.
1536 OICFree (respInfo.info.resourceUri);
1537 OICFree (respInfo.info.options);
1538 if(CA_STATUS_OK != caResult)
1540 OIC_LOG(ERROR, TAG, "CASendResponse error");
1541 return CAResultToOCResult(caResult);
1544 OIC_LOG(DEBUG, TAG, "Exit SendDirectStackResponse");
1548 OCStackResult HandleStackRequests(OCServerProtocolRequest * protocolRequest)
1550 OIC_LOG(INFO, TAG, "Entering HandleStackRequests (OCStack Layer)");
1551 OCStackResult result = OC_STACK_ERROR;
1552 if(!protocolRequest)
1554 OIC_LOG(ERROR, TAG, "protocolRequest is NULL");
1555 return OC_STACK_INVALID_PARAM;
1558 OCServerRequest * request = GetServerRequestUsingToken(protocolRequest->requestToken,
1559 protocolRequest->tokenLength);
1562 OIC_LOG(INFO, TAG, "This is a new Server Request");
1563 result = AddServerRequest(&request, protocolRequest->coapID,
1564 protocolRequest->delayedResNeeded, 0, protocolRequest->method,
1565 protocolRequest->numRcvdVendorSpecificHeaderOptions,
1566 protocolRequest->observationOption, protocolRequest->qos,
1567 protocolRequest->query, protocolRequest->rcvdVendorSpecificHeaderOptions,
1568 protocolRequest->payload, protocolRequest->requestToken,
1569 protocolRequest->tokenLength, protocolRequest->resourceUrl,
1570 protocolRequest->reqTotalSize, protocolRequest->acceptFormat,
1571 &protocolRequest->devAddr);
1572 if (OC_STACK_OK != result)
1574 OIC_LOG(ERROR, TAG, "Error adding server request");
1580 OIC_LOG(ERROR, TAG, "Out of Memory");
1581 return OC_STACK_NO_MEMORY;
1584 if(!protocolRequest->reqMorePacket)
1586 request->requestComplete = 1;
1591 OIC_LOG(INFO, TAG, "This is either a repeated or blocked Server Request");
1594 if(request->requestComplete)
1596 OIC_LOG(INFO, TAG, "This Server Request is complete");
1597 ResourceHandling resHandling = OC_RESOURCE_VIRTUAL;
1598 OCResource *resource = NULL;
1599 result = DetermineResourceHandling (request, &resHandling, &resource);
1600 if (result == OC_STACK_OK)
1602 result = ProcessRequest(resHandling, resource, request);
1607 OIC_LOG(INFO, TAG, "This Server Request is incomplete");
1608 result = OC_STACK_CONTINUE;
1613 void OCHandleRequests(const CAEndpoint_t* endPoint, const CARequestInfo_t* requestInfo)
1615 OIC_LOG(DEBUG, TAG, "Enter OCHandleRequests");
1618 if (requestInfo->info.resourceUri &&
1619 strcmp(requestInfo->info.resourceUri, KEEPALIVE_RESOURCE_URI) == 0)
1621 HandleKeepAliveRequest(endPoint, requestInfo);
1626 OCStackResult requestResult = OC_STACK_ERROR;
1628 if(myStackMode == OC_CLIENT)
1630 //TODO: should the client be responding to requests?
1634 OCServerProtocolRequest serverRequest = {0};
1636 OIC_LOG_V(INFO, TAG, "Endpoint URI : %s", requestInfo->info.resourceUri);
1638 char * uriWithoutQuery = NULL;
1639 char * query = NULL;
1641 requestResult = getQueryFromUri(requestInfo->info.resourceUri, &query, &uriWithoutQuery);
1643 if (requestResult != OC_STACK_OK || !uriWithoutQuery)
1645 OIC_LOG_V(ERROR, TAG, "getQueryFromUri() failed with OC error code %d\n", requestResult);
1648 OIC_LOG_V(INFO, TAG, "URI without query: %s", uriWithoutQuery);
1649 OIC_LOG_V(INFO, TAG, "Query : %s", query);
1651 if(strlen(uriWithoutQuery) < MAX_URI_LENGTH)
1653 OICStrcpy(serverRequest.resourceUrl, sizeof(serverRequest.resourceUrl), uriWithoutQuery);
1654 OICFree(uriWithoutQuery);
1658 OIC_LOG(ERROR, TAG, "URI length exceeds MAX_URI_LENGTH.");
1659 OICFree(uriWithoutQuery);
1666 if(strlen(query) < MAX_QUERY_LENGTH)
1668 OICStrcpy(serverRequest.query, sizeof(serverRequest.query), query);
1673 OIC_LOG(ERROR, TAG, "Query length exceeds MAX_QUERY_LENGTH.");
1679 if ((requestInfo->info.payload) && (0 < requestInfo->info.payloadSize))
1681 serverRequest.reqTotalSize = requestInfo->info.payloadSize;
1682 serverRequest.payload = (uint8_t *) OICMalloc(requestInfo->info.payloadSize);
1683 if (!serverRequest.payload)
1685 OIC_LOG(ERROR, TAG, "Allocation for payload failed.");
1688 memcpy (serverRequest.payload, requestInfo->info.payload,
1689 requestInfo->info.payloadSize);
1693 serverRequest.reqTotalSize = 0;
1696 switch (requestInfo->method)
1699 serverRequest.method = OC_REST_GET;
1702 serverRequest.method = OC_REST_PUT;
1705 serverRequest.method = OC_REST_POST;
1708 serverRequest.method = OC_REST_DELETE;
1711 OIC_LOG_V(ERROR, TAG, "Received CA method %d not supported", requestInfo->method);
1712 SendDirectStackResponse(endPoint, requestInfo->info.messageId, CA_BAD_REQ,
1713 requestInfo->info.type, requestInfo->info.numOptions,
1714 requestInfo->info.options, requestInfo->info.token,
1715 requestInfo->info.tokenLength, requestInfo->info.resourceUri);
1716 OICFree(serverRequest.payload);
1720 OIC_LOG_BUFFER(INFO, TAG, (const uint8_t *)requestInfo->info.token,
1721 requestInfo->info.tokenLength);
1723 serverRequest.tokenLength = requestInfo->info.tokenLength;
1724 if (serverRequest.tokenLength) {
1726 serverRequest.requestToken = (CAToken_t)OICMalloc(requestInfo->info.tokenLength);
1728 if (!serverRequest.requestToken)
1730 OIC_LOG(FATAL, TAG, "Allocation for token failed.");
1731 SendDirectStackResponse(endPoint, requestInfo->info.messageId, CA_INTERNAL_SERVER_ERROR,
1732 requestInfo->info.type, requestInfo->info.numOptions,
1733 requestInfo->info.options, requestInfo->info.token,
1734 requestInfo->info.tokenLength, requestInfo->info.resourceUri);
1735 OICFree(serverRequest.payload);
1738 memcpy(serverRequest.requestToken, requestInfo->info.token, requestInfo->info.tokenLength);
1741 switch (requestInfo->info.acceptFormat)
1743 case CA_FORMAT_APPLICATION_CBOR:
1744 serverRequest.acceptFormat = OC_FORMAT_CBOR;
1746 case CA_FORMAT_UNDEFINED:
1747 serverRequest.acceptFormat = OC_FORMAT_UNDEFINED;
1750 serverRequest.acceptFormat = OC_FORMAT_UNSUPPORTED;
1753 if (requestInfo->info.type == CA_MSG_CONFIRM)
1755 serverRequest.qos = OC_HIGH_QOS;
1759 serverRequest.qos = OC_LOW_QOS;
1761 // CA does not need the following field
1762 // Are we sure CA does not need them? how is it responding to multicast
1763 serverRequest.delayedResNeeded = 0;
1765 serverRequest.coapID = requestInfo->info.messageId;
1767 CopyEndpointToDevAddr(endPoint, &serverRequest.devAddr);
1769 // copy vendor specific header options
1770 uint8_t tempNum = (requestInfo->info.numOptions);
1772 // Assume no observation requested and it is a pure GET.
1773 // If obs registration/de-registration requested it'll be fetched from the
1774 // options in GetObserveHeaderOption()
1775 serverRequest.observationOption = OC_OBSERVE_NO_OPTION;
1777 GetObserveHeaderOption(&serverRequest.observationOption, requestInfo->info.options, &tempNum);
1778 if (requestInfo->info.numOptions > MAX_HEADER_OPTIONS)
1781 "The request info numOptions is greater than MAX_HEADER_OPTIONS");
1782 SendDirectStackResponse(endPoint, requestInfo->info.messageId, CA_BAD_OPT,
1783 requestInfo->info.type, requestInfo->info.numOptions,
1784 requestInfo->info.options, requestInfo->info.token,
1785 requestInfo->info.tokenLength, requestInfo->info.resourceUri);
1786 OICFree(serverRequest.payload);
1787 OICFree(serverRequest.requestToken);
1790 serverRequest.numRcvdVendorSpecificHeaderOptions = tempNum;
1791 if (serverRequest.numRcvdVendorSpecificHeaderOptions)
1793 memcpy (&(serverRequest.rcvdVendorSpecificHeaderOptions), requestInfo->info.options,
1794 sizeof(CAHeaderOption_t)*tempNum);
1797 requestResult = HandleStackRequests (&serverRequest);
1799 // Send ACK to client as precursor to slow response
1800 if (requestResult == OC_STACK_SLOW_RESOURCE)
1802 if (requestInfo->info.type == CA_MSG_CONFIRM)
1804 SendDirectStackResponse(endPoint, requestInfo->info.messageId, CA_EMPTY,
1805 CA_MSG_ACKNOWLEDGE,0, NULL, NULL, 0, NULL);
1808 else if(requestResult != OC_STACK_OK)
1810 OIC_LOG_V(ERROR, TAG, "HandleStackRequests failed. error: %d", requestResult);
1812 CAResponseResult_t stackResponse =
1813 OCToCAStackResult(requestResult, serverRequest.method);
1815 SendDirectStackResponse(endPoint, requestInfo->info.messageId, stackResponse,
1816 requestInfo->info.type, requestInfo->info.numOptions,
1817 requestInfo->info.options, requestInfo->info.token,
1818 requestInfo->info.tokenLength, requestInfo->info.resourceUri);
1820 // requestToken is fed to HandleStackRequests, which then goes to AddServerRequest.
1821 // The token is copied in there, and is thus still owned by this function.
1822 OICFree(serverRequest.payload);
1823 OICFree(serverRequest.requestToken);
1824 OIC_LOG(INFO, TAG, "Exit OCHandleRequests");
1827 //This function will be called back by CA layer when a request is received
1828 void HandleCARequests(const CAEndpoint_t* endPoint, const CARequestInfo_t* requestInfo)
1830 OIC_LOG(INFO, TAG, "Enter HandleCARequests");
1833 OIC_LOG(ERROR, TAG, "endPoint is NULL");
1839 OIC_LOG(ERROR, TAG, "requestInfo is NULL");
1843 #if defined (ROUTING_GATEWAY) || defined (ROUTING_EP)
1844 #ifdef ROUTING_GATEWAY
1845 bool needRIHandling = false;
1846 bool isEmptyMsg = false;
1848 * Routing manager is going to update either of endpoint or request or both.
1849 * This typecasting is done to avoid unnecessary duplication of Endpoint and requestInfo
1850 * RM can update "routeData" option in endPoint so that future RI requests can be sent to proper
1851 * destination. It can also remove "RM" coap header option before passing request / response to
1852 * RI as this option will make no sense to either RI or application.
1854 OCStackResult ret = RMHandleRequest((CARequestInfo_t *)requestInfo, (CAEndpoint_t *)endPoint,
1855 &needRIHandling, &isEmptyMsg);
1856 if(OC_STACK_OK != ret || !needRIHandling)
1858 OIC_LOG_V(INFO, TAG, "Routing status![%d]. Not forwarding to RI", ret);
1864 * Put source in sender endpoint so that the next packet from application can be routed to
1865 * proper destination and remove RM header option.
1867 RMUpdateInfo((CAHeaderOption_t **) &(requestInfo->info.options),
1868 (uint8_t *) &(requestInfo->info.numOptions),
1869 (CAEndpoint_t *) endPoint);
1871 #ifdef ROUTING_GATEWAY
1875 * In Gateways, the MSGType in route option is used to check if the actual
1876 * response is EMPTY message(4 bytes CoAP Header). In case of Client, the
1877 * EMPTY response is sent in the form of POST request which need to be changed
1878 * to a EMPTY response by RM. This translation is done in this part of the code.
1880 OIC_LOG(INFO, TAG, "This is a Empty response from the Client");
1881 CAResponseInfo_t respInfo = {.result = CA_EMPTY,
1882 .info.messageId = requestInfo->info.messageId,
1883 .info.type = CA_MSG_ACKNOWLEDGE};
1884 OCHandleResponse(endPoint, &respInfo);
1890 // Normal handling of the packet
1891 OCHandleRequests(endPoint, requestInfo);
1893 OIC_LOG(INFO, TAG, "Exit HandleCARequests");
1896 bool validatePlatformInfo(OCPlatformInfo info)
1899 if (!info.platformID)
1901 OIC_LOG(ERROR, TAG, "No platform ID found.");
1905 if (info.manufacturerName)
1907 size_t lenManufacturerName = strlen(info.manufacturerName);
1909 if(lenManufacturerName == 0 || lenManufacturerName > MAX_MANUFACTURER_NAME_LENGTH)
1911 OIC_LOG(ERROR, TAG, "Manufacturer name fails length requirements.");
1917 OIC_LOG(ERROR, TAG, "No manufacturer name present");
1921 if (info.manufacturerUrl)
1923 if(strlen(info.manufacturerUrl) > MAX_MANUFACTURER_URL_LENGTH)
1925 OIC_LOG(ERROR, TAG, "Manufacturer url fails length requirements.");
1932 //-----------------------------------------------------------------------------
1934 //-----------------------------------------------------------------------------
1936 OCStackResult OCSetRAInfo(const OCRAInfo_t *raInfo)
1939 !raInfo->username ||
1940 !raInfo->hostname ||
1941 !raInfo->xmpp_domain)
1944 return OC_STACK_INVALID_PARAM;
1946 OCStackResult result = CAResultToOCResult(CASetRAInfo((const CARAInfo_t *) raInfo));
1947 gRASetInfo = (result == OC_STACK_OK)? true : false;
1953 OCStackResult OCInit(const char *ipAddr, uint16_t port, OCMode mode)
1957 return OCInit1(mode, OC_DEFAULT_FLAGS, OC_DEFAULT_FLAGS);
1960 OCStackResult OCInit1(OCMode mode, OCTransportFlags serverFlags, OCTransportFlags clientFlags)
1962 if(stackState == OC_STACK_INITIALIZED)
1964 OIC_LOG(INFO, TAG, "Subsequent calls to OCInit() without calling \
1965 OCStop() between them are ignored.");
1969 #ifndef ROUTING_GATEWAY
1970 if (OC_GATEWAY == mode)
1972 OIC_LOG(ERROR, TAG, "Routing Manager not supported");
1973 return OC_STACK_INVALID_PARAM;
1980 OIC_LOG(ERROR, TAG, "Need to call OCSetRAInfo before calling OCInit");
1981 return OC_STACK_ERROR;
1985 OCStackResult result = OC_STACK_ERROR;
1986 OIC_LOG(INFO, TAG, "Entering OCInit");
1989 if (!((mode == OC_CLIENT) || (mode == OC_SERVER) || (mode == OC_CLIENT_SERVER)
1990 || (mode == OC_GATEWAY)))
1992 OIC_LOG(ERROR, TAG, "Invalid mode");
1993 return OC_STACK_ERROR;
1997 if (mode == OC_CLIENT || mode == OC_CLIENT_SERVER || mode == OC_GATEWAY)
1999 caglobals.client = true;
2001 if (mode == OC_SERVER || mode == OC_CLIENT_SERVER || mode == OC_GATEWAY)
2003 caglobals.server = true;
2006 caglobals.serverFlags = (CATransportFlags_t)serverFlags;
2007 if (!(caglobals.serverFlags & CA_IPFAMILY_MASK))
2009 caglobals.serverFlags = (CATransportFlags_t)(caglobals.serverFlags|CA_IPV4|CA_IPV6);
2011 caglobals.clientFlags = (CATransportFlags_t)clientFlags;
2012 if (!(caglobals.clientFlags & CA_IPFAMILY_MASK))
2014 caglobals.clientFlags = (CATransportFlags_t)(caglobals.clientFlags|CA_IPV4|CA_IPV6);
2017 defaultDeviceHandler = NULL;
2018 defaultDeviceHandlerCallbackParameter = NULL;
2020 result = CAResultToOCResult(CAInitialize());
2021 VERIFY_SUCCESS(result, OC_STACK_OK);
2023 result = CAResultToOCResult(OCSelectNetwork());
2024 VERIFY_SUCCESS(result, OC_STACK_OK);
2026 switch (myStackMode)
2029 CARegisterHandler(HandleCARequests, HandleCAResponses, HandleCAErrorResponse);
2030 result = CAResultToOCResult(CAStartDiscoveryServer());
2031 OIC_LOG(INFO, TAG, "Client mode: CAStartDiscoveryServer");
2034 SRMRegisterHandler(HandleCARequests, HandleCAResponses, HandleCAErrorResponse);
2035 result = CAResultToOCResult(CAStartListeningServer());
2036 OIC_LOG(INFO, TAG, "Server mode: CAStartListeningServer");
2038 case OC_CLIENT_SERVER:
2040 SRMRegisterHandler(HandleCARequests, HandleCAResponses, HandleCAErrorResponse);
2041 result = CAResultToOCResult(CAStartListeningServer());
2042 if(result == OC_STACK_OK)
2044 result = CAResultToOCResult(CAStartDiscoveryServer());
2048 VERIFY_SUCCESS(result, OC_STACK_OK);
2051 CARegisterKeepAliveHandler(HandleKeepAliveConnCB);
2054 #ifdef WITH_PRESENCE
2055 PresenceTimeOutSize = sizeof (PresenceTimeOut) / sizeof (PresenceTimeOut[0]) - 1;
2056 #endif // WITH_PRESENCE
2058 //Update Stack state to initialized
2059 stackState = OC_STACK_INITIALIZED;
2061 // Initialize resource
2062 if(myStackMode != OC_CLIENT)
2064 result = initResources();
2067 // Initialize the SRM Policy Engine
2068 if(result == OC_STACK_OK)
2070 result = SRMInitPolicyEngine();
2071 // TODO after BeachHead delivery: consolidate into single SRMInit()
2073 #if defined (ROUTING_GATEWAY) || defined (ROUTING_EP)
2074 RMSetStackMode(mode);
2075 #ifdef ROUTING_GATEWAY
2076 if (OC_GATEWAY == myStackMode)
2078 result = RMInitialize();
2084 if (result == OC_STACK_OK)
2086 result = InitializeKeepAlive(myStackMode);
2091 if(result != OC_STACK_OK)
2093 OIC_LOG(ERROR, TAG, "Stack initialization error");
2094 deleteAllResources();
2096 stackState = OC_STACK_UNINITIALIZED;
2101 OCStackResult OCStop()
2103 OIC_LOG(INFO, TAG, "Entering OCStop");
2105 if (stackState == OC_STACK_UNINIT_IN_PROGRESS)
2107 OIC_LOG(DEBUG, TAG, "Stack already stopping, exiting");
2110 else if (stackState != OC_STACK_INITIALIZED)
2112 OIC_LOG(ERROR, TAG, "Stack not initialized");
2113 return OC_STACK_ERROR;
2116 stackState = OC_STACK_UNINIT_IN_PROGRESS;
2118 #ifdef WITH_PRESENCE
2119 // Ensure that the TTL associated with ANY and ALL presence notifications originating from
2120 // here send with the code "OC_STACK_PRESENCE_STOPPED" result.
2121 presenceResource.presenceTTL = 0;
2122 #endif // WITH_PRESENCE
2124 #ifdef ROUTING_GATEWAY
2125 if (OC_GATEWAY == myStackMode)
2132 TerminateKeepAlive(myStackMode);
2135 // Free memory dynamically allocated for resources
2136 deleteAllResources();
2138 DeletePlatformInfo();
2140 // Remove all observers
2141 DeleteObserverList();
2142 // Remove all the client callbacks
2143 DeleteClientCBList();
2145 // De-init the SRM Policy Engine
2146 // TODO after BeachHead delivery: consolidate into single SRMDeInit()
2147 SRMDeInitPolicyEngine();
2150 stackState = OC_STACK_UNINITIALIZED;
2154 OCStackResult OCStartMulticastServer()
2156 if(stackState != OC_STACK_INITIALIZED)
2158 OIC_LOG(ERROR, TAG, "OCStack is not initalized. Cannot start multicast server.");
2159 return OC_STACK_ERROR;
2161 CAResult_t ret = CAStartListeningServer();
2162 if (CA_STATUS_OK != ret)
2164 OIC_LOG_V(ERROR, TAG, "Failed starting listening server: %d", ret);
2165 return OC_STACK_ERROR;
2170 OCStackResult OCStopMulticastServer()
2172 CAResult_t ret = CAStopListeningServer();
2173 if (CA_STATUS_OK != ret)
2175 OIC_LOG_V(ERROR, TAG, "Failed stopping listening server: %d", ret);
2176 return OC_STACK_ERROR;
2181 CAMessageType_t qualityOfServiceToMessageType(OCQualityOfService qos)
2186 return CA_MSG_CONFIRM;
2191 return CA_MSG_NONCONFIRM;
2195 OCStackResult verifyUriQueryLength(const char *inputUri, uint16_t uriLen)
2199 query = strchr (inputUri, '?');
2203 if((query - inputUri) > MAX_URI_LENGTH)
2205 return OC_STACK_INVALID_URI;
2208 if((inputUri + uriLen - 1 - query) > MAX_QUERY_LENGTH)
2210 return OC_STACK_INVALID_QUERY;
2213 else if(uriLen > MAX_URI_LENGTH)
2215 return OC_STACK_INVALID_URI;
2221 * A request uri consists of the following components in order:
2224 * CoAP over UDP prefix "coap://"
2225 * CoAP over TCP prefix "coap+tcp://"
2227 * IPv6 address "[1234::5678]"
2228 * IPv4 address "192.168.1.1"
2229 * optional port ":5683"
2230 * resource uri "/oc/core..."
2232 * for PRESENCE requests, extract resource type.
2234 static OCStackResult ParseRequestUri(const char *fullUri,
2235 OCTransportAdapter adapter,
2236 OCTransportFlags flags,
2237 OCDevAddr **devAddr,
2239 char **resourceType)
2241 VERIFY_NON_NULL(fullUri, FATAL, OC_STACK_INVALID_CALLBACK);
2243 OCStackResult result = OC_STACK_OK;
2244 OCDevAddr *da = NULL;
2248 // provide defaults for all returned values
2255 *resourceUri = NULL;
2259 *resourceType = NULL;
2262 // delimit url prefix, if any
2263 const char *start = fullUri;
2264 char *slash2 = strstr(start, "//");
2269 char *slash = strchr(start, '/');
2272 return OC_STACK_INVALID_URI;
2275 // process url scheme
2276 size_t prefixLen = slash2 - fullUri;
2280 if ((prefixLen == sizeof(COAP_TCP) - 1) && (!strncmp(fullUri, COAP_TCP, prefixLen)))
2286 // TODO: this logic should come in with unit tests exercising the various strings
2287 // processs url prefix, if any
2288 size_t urlLen = slash - start;
2292 if (urlLen && devAddr)
2293 { // construct OCDevAddr
2294 if (start[0] == '[')
2296 char *close = strchr(++start, ']');
2297 if (!close || close > slash)
2299 return OC_STACK_INVALID_URI;
2302 if (close[1] == ':')
2309 adapter = (OCTransportAdapter)(adapter | OC_ADAPTER_TCP);
2313 adapter = (OCTransportAdapter)(adapter | OC_ADAPTER_IP);
2315 flags = (OCTransportFlags)(flags | OC_IP_USE_V6);
2319 char *dot = strchr(start, '.');
2320 if (dot && dot < slash)
2322 colon = strchr(start, ':');
2323 end = (colon && colon < slash) ? colon : slash;
2328 adapter = (OCTransportAdapter)(adapter | OC_ADAPTER_TCP);
2332 adapter = (OCTransportAdapter)(adapter | OC_ADAPTER_IP);
2334 flags = (OCTransportFlags)(flags | OC_IP_USE_V4);
2342 if (len >= sizeof(da->addr))
2344 return OC_STACK_INVALID_URI;
2346 // collect port, if any
2347 if (colon && colon < slash)
2349 for (colon++; colon < slash; colon++)
2352 if (c < '0' || c > '9')
2354 return OC_STACK_INVALID_URI;
2356 port = 10 * port + c - '0';
2361 if (len >= sizeof(da->addr))
2363 return OC_STACK_INVALID_URI;
2366 da = (OCDevAddr *)OICCalloc(sizeof (OCDevAddr), 1);
2369 return OC_STACK_NO_MEMORY;
2371 OICStrcpyPartial(da->addr, sizeof(da->addr), start, len);
2373 da->adapter = adapter;
2375 if (!strncmp(fullUri, "coaps:", 6))
2377 da->flags = (OCTransportFlags)(da->flags|CA_SECURE);
2382 // process resource uri, if any
2384 { // request uri and query
2385 size_t ulen = strlen(slash); // resource uri length
2386 size_t tlen = 0; // resource type length
2389 static const char strPresence[] = "/oic/ad?rt=";
2390 static const size_t lenPresence = sizeof(strPresence) - 1;
2391 if (!strncmp(slash, strPresence, lenPresence))
2393 type = slash + lenPresence;
2394 tlen = ulen - lenPresence;
2399 *resourceUri = (char *)OICMalloc(ulen + 1);
2402 result = OC_STACK_NO_MEMORY;
2405 strcpy(*resourceUri, slash);
2408 if (type && resourceType)
2410 *resourceType = (char *)OICMalloc(tlen + 1);
2413 result = OC_STACK_NO_MEMORY;
2417 OICStrcpy(*resourceType, (tlen+1), type);
2424 // free all returned values
2431 OICFree(*resourceUri);
2435 OICFree(*resourceType);
2440 static OCStackResult OCPreparePresence(CAEndpoint_t *endpoint,
2441 char *resourceUri, char **requestUri)
2443 char uri[CA_MAX_URI_LENGTH];
2445 FormCanonicalPresenceUri(endpoint, resourceUri, uri);
2447 *requestUri = OICStrdup(uri);
2450 return OC_STACK_NO_MEMORY;
2457 * Discover or Perform requests on a specified resource
2459 OCStackResult OCDoResource(OCDoHandle *handle,
2461 const char *requestUri,
2462 const OCDevAddr *destination,
2464 OCConnectivityType connectivityType,
2465 OCQualityOfService qos,
2466 OCCallbackData *cbData,
2467 OCHeaderOption *options,
2470 OIC_LOG(INFO, TAG, "Entering OCDoResource");
2472 // Validate input parameters
2473 VERIFY_NON_NULL(cbData, FATAL, OC_STACK_INVALID_CALLBACK);
2474 VERIFY_NON_NULL(cbData->cb, FATAL, OC_STACK_INVALID_CALLBACK);
2475 VERIFY_NON_NULL(requestUri , FATAL, OC_STACK_INVALID_URI);
2477 OCStackResult result = OC_STACK_ERROR;
2478 CAResult_t caResult;
2479 CAToken_t token = NULL;
2480 uint8_t tokenLength = CA_MAX_TOKEN_LEN;
2481 ClientCB *clientCB = NULL;
2482 OCDoHandle resHandle = NULL;
2483 CAEndpoint_t endpoint = {.adapter = CA_DEFAULT_ADAPTER};
2484 OCDevAddr tmpDevAddr = { OC_DEFAULT_ADAPTER };
2486 OCTransportAdapter adapter;
2487 OCTransportFlags flags;
2488 // the request contents are put here
2489 CARequestInfo_t requestInfo = {.method = CA_GET};
2490 // requestUri will be parsed into the following three variables
2491 OCDevAddr *devAddr = NULL;
2492 char *resourceUri = NULL;
2493 char *resourceType = NULL;
2496 * Support original behavior with address on resourceUri argument.
2498 adapter = (OCTransportAdapter)(connectivityType >> CT_ADAPTER_SHIFT);
2499 flags = (OCTransportFlags)(connectivityType & CT_MASK_FLAGS);
2501 result = ParseRequestUri(requestUri, adapter, flags, &devAddr, &resourceUri, &resourceType);
2503 if (result != OC_STACK_OK)
2505 OIC_LOG_V(DEBUG, TAG, "Unable to parse uri: %s", requestUri);
2512 case OC_REST_OBSERVE:
2513 case OC_REST_OBSERVE_ALL:
2514 case OC_REST_CANCEL_OBSERVE:
2515 requestInfo.method = CA_GET;
2518 requestInfo.method = CA_PUT;
2521 requestInfo.method = CA_POST;
2523 case OC_REST_DELETE:
2524 requestInfo.method = CA_DELETE;
2526 case OC_REST_DISCOVER:
2528 if (destination || devAddr)
2530 requestInfo.isMulticast = false;
2534 tmpDevAddr.adapter = adapter;
2535 tmpDevAddr.flags = flags;
2536 destination = &tmpDevAddr;
2537 requestInfo.isMulticast = true;
2539 // CA_DISCOVER will become GET and isMulticast
2540 requestInfo.method = CA_GET;
2542 #ifdef WITH_PRESENCE
2543 case OC_REST_PRESENCE:
2544 // Replacing method type with GET because "presence"
2545 // is a stack layer only implementation.
2546 requestInfo.method = CA_GET;
2550 result = OC_STACK_INVALID_METHOD;
2554 if (!devAddr && !destination)
2556 OIC_LOG(DEBUG, TAG, "no devAddr and no destination");
2557 result = OC_STACK_INVALID_PARAM;
2561 /* If not original behavior, use destination argument */
2562 if (destination && !devAddr)
2564 devAddr = (OCDevAddr *)OICMalloc(sizeof (OCDevAddr));
2567 result = OC_STACK_NO_MEMORY;
2570 *devAddr = *destination;
2573 resHandle = GenerateInvocationHandle();
2576 result = OC_STACK_NO_MEMORY;
2580 caResult = CAGenerateToken(&token, tokenLength);
2581 if (caResult != CA_STATUS_OK)
2583 OIC_LOG(ERROR, TAG, "CAGenerateToken error");
2584 result= OC_STACK_ERROR;
2588 // fill in request data
2589 requestInfo.info.type = qualityOfServiceToMessageType(qos);
2590 requestInfo.info.token = token;
2591 requestInfo.info.tokenLength = tokenLength;
2592 requestInfo.info.resourceUri = resourceUri;
2594 if ((method == OC_REST_OBSERVE) || (method == OC_REST_OBSERVE_ALL))
2596 result = CreateObserveHeaderOption (&(requestInfo.info.options),
2597 options, numOptions, OC_OBSERVE_REGISTER);
2598 if (result != OC_STACK_OK)
2602 requestInfo.info.numOptions = numOptions + 1;
2606 requestInfo.info.numOptions = numOptions;
2607 requestInfo.info.options =
2608 (CAHeaderOption_t*) OICCalloc(numOptions, sizeof(CAHeaderOption_t));
2609 memcpy(requestInfo.info.options, (CAHeaderOption_t*)options,
2610 numOptions * sizeof(CAHeaderOption_t));
2613 CopyDevAddrToEndpoint(devAddr, &endpoint);
2618 OCConvertPayload(payload, &requestInfo.info.payload, &requestInfo.info.payloadSize))
2621 OIC_LOG(ERROR, TAG, "Failed to create CBOR Payload");
2624 requestInfo.info.payloadFormat = CA_FORMAT_APPLICATION_CBOR;
2628 requestInfo.info.payload = NULL;
2629 requestInfo.info.payloadSize = 0;
2630 requestInfo.info.payloadFormat = CA_FORMAT_UNDEFINED;
2633 if (result != OC_STACK_OK)
2635 OIC_LOG(ERROR, TAG, "CACreateEndpoint error");
2639 // prepare for response
2640 #ifdef WITH_PRESENCE
2641 if (method == OC_REST_PRESENCE)
2643 char *presenceUri = NULL;
2644 result = OCPreparePresence(&endpoint, resourceUri, &presenceUri);
2645 if (OC_STACK_OK != result)
2650 // Assign full presence uri as coap://ip:port/oic/ad to add to callback list.
2651 // Presence notification will form a canonical uri to
2652 // look for callbacks into the application.
2653 resourceUri = presenceUri;
2657 ttl = GetTicks(MAX_CB_TIMEOUT_SECONDS * MILLISECONDS_PER_SECOND);
2658 result = AddClientCB(&clientCB, cbData, token, tokenLength, &resHandle,
2659 method, devAddr, resourceUri, resourceType, ttl);
2660 if (OC_STACK_OK != result)
2665 devAddr = NULL; // Client CB list entry now owns it
2666 resourceUri = NULL; // Client CB list entry now owns it
2667 resourceType = NULL; // Client CB list entry now owns it
2670 result = OCSendRequest(&endpoint, &requestInfo);
2671 if (OC_STACK_OK != result)
2678 *handle = resHandle;
2682 if (result != OC_STACK_OK)
2684 OIC_LOG(ERROR, TAG, "OCDoResource error");
2685 FindAndDeleteClientCB(clientCB);
2686 CADestroyToken(token);
2694 // This is the owner of the payload object, so we free it
2695 OCPayloadDestroy(payload);
2696 OICFree(requestInfo.info.payload);
2698 OICFree(resourceUri);
2699 OICFree(resourceType);
2700 OICFree(requestInfo.info.options);
2704 OCStackResult OCCancel(OCDoHandle handle, OCQualityOfService qos, OCHeaderOption * options,
2708 * This ftn is implemented one of two ways in the case of observation:
2710 * 1. qos == OC_NON_CONFIRMABLE. When observe is unobserved..
2711 * Remove the callback associated on client side.
2712 * When the next notification comes in from server,
2713 * reply with RESET message to server.
2714 * Keep in mind that the server will react to RESET only
2715 * if the last notification was sent as CON
2717 * 2. qos == OC_CONFIRMABLE. When OCCancel is called,
2718 * and it is associated with an observe request
2719 * (i.e. ClientCB->method == OC_REST_OBSERVE || OC_REST_OBSERVE_ALL),
2720 * Send CON Observe request to server with
2721 * observe flag = OC_RESOURCE_OBSERVE_DEREGISTER.
2722 * Remove the callback associated on client side.
2724 OCStackResult ret = OC_STACK_OK;
2725 CAEndpoint_t endpoint = {.adapter = CA_DEFAULT_ADAPTER};
2726 CARequestInfo_t requestInfo = {.method = CA_GET};
2730 return OC_STACK_INVALID_PARAM;
2733 ClientCB *clientCB = GetClientCB(NULL, 0, handle, NULL);
2736 OIC_LOG(ERROR, TAG, "Callback not found. Called OCCancel on same resource twice?");
2737 return OC_STACK_ERROR;
2740 switch (clientCB->method)
2742 case OC_REST_OBSERVE:
2743 case OC_REST_OBSERVE_ALL:
2745 OIC_LOG_V(INFO, TAG, "Canceling observation for resource %s", clientCB->requestUri);
2747 CopyDevAddrToEndpoint(clientCB->devAddr, &endpoint);
2749 if ((endpoint.adapter & CA_ADAPTER_IP) && qos != OC_HIGH_QOS)
2751 FindAndDeleteClientCB(clientCB);
2755 OIC_LOG(INFO, TAG, "Cancelling observation as CONFIRMABLE");
2757 requestInfo.info.type = qualityOfServiceToMessageType(qos);
2758 requestInfo.info.token = clientCB->token;
2759 requestInfo.info.tokenLength = clientCB->tokenLength;
2761 if (CreateObserveHeaderOption (&(requestInfo.info.options),
2762 options, numOptions, OC_OBSERVE_DEREGISTER) != OC_STACK_OK)
2764 return OC_STACK_ERROR;
2766 requestInfo.info.numOptions = numOptions + 1;
2767 requestInfo.info.resourceUri = OICStrdup (clientCB->requestUri);
2770 ret = OCSendRequest(&endpoint, &requestInfo);
2772 if (requestInfo.info.options)
2774 OICFree (requestInfo.info.options);
2776 if (requestInfo.info.resourceUri)
2778 OICFree (requestInfo.info.resourceUri);
2783 case OC_REST_DISCOVER:
2784 OIC_LOG_V(INFO, TAG, "Cancelling discovery callback for resource %s",
2785 clientCB->requestUri);
2786 FindAndDeleteClientCB(clientCB);
2789 #ifdef WITH_PRESENCE
2790 case OC_REST_PRESENCE:
2791 FindAndDeleteClientCB(clientCB);
2796 ret = OC_STACK_INVALID_METHOD;
2804 * @brief Register Persistent storage callback.
2805 * @param persistentStorageHandler [IN] Pointers to open, read, write, close & unlink handlers.
2807 * OC_STACK_OK - No errors; Success
2808 * OC_STACK_INVALID_PARAM - Invalid parameter
2810 OCStackResult OCRegisterPersistentStorageHandler(OCPersistentStorage* persistentStorageHandler)
2812 OIC_LOG(INFO, TAG, "RegisterPersistentStorageHandler !!");
2813 if(!persistentStorageHandler)
2815 OIC_LOG(ERROR, TAG, "The persistent storage handler is invalid");
2816 return OC_STACK_INVALID_PARAM;
2820 if( !persistentStorageHandler->open ||
2821 !persistentStorageHandler->close ||
2822 !persistentStorageHandler->read ||
2823 !persistentStorageHandler->unlink ||
2824 !persistentStorageHandler->write)
2826 OIC_LOG(ERROR, TAG, "The persistent storage handler is invalid");
2827 return OC_STACK_INVALID_PARAM;
2830 return SRMRegisterPersistentStorageHandler(persistentStorageHandler);
2833 #ifdef WITH_PRESENCE
2835 OCStackResult OCProcessPresence()
2837 OCStackResult result = OC_STACK_OK;
2839 // the following line floods the log with messages that are irrelevant
2840 // to most purposes. Uncomment as needed.
2841 //OIC_LOG(INFO, TAG, "Entering RequestPresence");
2842 ClientCB* cbNode = NULL;
2843 OCClientResponse clientResponse;
2844 OCStackApplicationResult cbResult = OC_STACK_DELETE_TRANSACTION;
2846 LL_FOREACH(cbList, cbNode)
2848 if (OC_REST_PRESENCE != cbNode->method || !cbNode->presence)
2853 uint32_t now = GetTicks(0);
2854 OIC_LOG_V(DEBUG, TAG, "this TTL level %d",
2855 cbNode->presence->TTLlevel);
2856 OIC_LOG_V(DEBUG, TAG, "current ticks %d", now);
2858 if (cbNode->presence->TTLlevel > PresenceTimeOutSize)
2863 if (cbNode->presence->TTLlevel < PresenceTimeOutSize)
2865 OIC_LOG_V(DEBUG, TAG, "timeout ticks %d",
2866 cbNode->presence->timeOut[cbNode->presence->TTLlevel]);
2868 if (cbNode->presence->TTLlevel >= PresenceTimeOutSize)
2870 OIC_LOG(DEBUG, TAG, "No more timeout ticks");
2872 clientResponse.sequenceNumber = 0;
2873 clientResponse.result = OC_STACK_PRESENCE_TIMEOUT;
2874 clientResponse.devAddr = *cbNode->devAddr;
2875 FixUpClientResponse(&clientResponse);
2876 clientResponse.payload = NULL;
2878 // Increment the TTLLevel (going to a next state), so we don't keep
2879 // sending presence notification to client.
2880 cbNode->presence->TTLlevel++;
2881 OIC_LOG_V(DEBUG, TAG, "moving to TTL level %d",
2882 cbNode->presence->TTLlevel);
2884 cbResult = cbNode->callBack(cbNode->context, cbNode->handle, &clientResponse);
2885 if (cbResult == OC_STACK_DELETE_TRANSACTION)
2887 FindAndDeleteClientCB(cbNode);
2891 if (now < cbNode->presence->timeOut[cbNode->presence->TTLlevel])
2896 CAEndpoint_t endpoint = {.adapter = CA_DEFAULT_ADAPTER};
2897 CAInfo_t requestData = {.type = CA_MSG_CONFIRM};
2898 CARequestInfo_t requestInfo = {.method = CA_GET};
2900 OIC_LOG(DEBUG, TAG, "time to test server presence");
2902 CopyDevAddrToEndpoint(cbNode->devAddr, &endpoint);
2904 requestData.type = CA_MSG_NONCONFIRM;
2905 requestData.token = cbNode->token;
2906 requestData.tokenLength = cbNode->tokenLength;
2907 requestData.resourceUri = OC_RSRVD_PRESENCE_URI;
2908 requestInfo.method = CA_GET;
2909 requestInfo.info = requestData;
2911 result = OCSendRequest(&endpoint, &requestInfo);
2912 if (OC_STACK_OK != result)
2917 cbNode->presence->TTLlevel++;
2918 OIC_LOG_V(DEBUG, TAG, "moving to TTL level %d", cbNode->presence->TTLlevel);
2921 if (result != OC_STACK_OK)
2923 OIC_LOG(ERROR, TAG, "OCProcessPresence error");
2928 #endif // WITH_PRESENCE
2930 OCStackResult OCProcess()
2932 #ifdef WITH_PRESENCE
2933 OCProcessPresence();
2935 CAHandleRequestResponse();
2937 #ifdef ROUTING_GATEWAY
2947 #ifdef WITH_PRESENCE
2948 OCStackResult OCStartPresence(const uint32_t ttl)
2950 uint8_t tokenLength = CA_MAX_TOKEN_LEN;
2951 OCChangeResourceProperty(
2952 &(((OCResource *)presenceResource.handle)->resourceProperties),
2955 if (OC_MAX_PRESENCE_TTL_SECONDS < ttl)
2957 presenceResource.presenceTTL = OC_MAX_PRESENCE_TTL_SECONDS;
2958 OIC_LOG(INFO, TAG, "Setting Presence TTL to max value");
2962 presenceResource.presenceTTL = OC_DEFAULT_PRESENCE_TTL_SECONDS;
2963 OIC_LOG(INFO, TAG, "Setting Presence TTL to default value");
2967 presenceResource.presenceTTL = ttl;
2969 OIC_LOG_V(DEBUG, TAG, "Presence TTL is %" PRIu32 " seconds", presenceResource.presenceTTL);
2971 if (OC_PRESENCE_UNINITIALIZED == presenceState)
2973 presenceState = OC_PRESENCE_INITIALIZED;
2975 OCDevAddr devAddr = { OC_DEFAULT_ADAPTER };
2977 CAToken_t caToken = NULL;
2978 CAResult_t caResult = CAGenerateToken(&caToken, tokenLength);
2979 if (caResult != CA_STATUS_OK)
2981 OIC_LOG(ERROR, TAG, "CAGenerateToken error");
2982 CADestroyToken(caToken);
2983 return OC_STACK_ERROR;
2986 AddObserver(OC_RSRVD_PRESENCE_URI, NULL, 0, caToken, tokenLength,
2987 (OCResource *)presenceResource.handle, OC_LOW_QOS, OC_FORMAT_UNDEFINED, &devAddr);
2988 CADestroyToken(caToken);
2991 // Each time OCStartPresence is called
2992 // a different random 32-bit integer number is used
2993 ((OCResource *)presenceResource.handle)->sequenceNum = OCGetRandom();
2995 return SendPresenceNotification(((OCResource *)presenceResource.handle)->rsrcType,
2996 OC_PRESENCE_TRIGGER_CREATE);
2999 OCStackResult OCStopPresence()
3001 OCStackResult result = OC_STACK_ERROR;
3003 if(presenceResource.handle)
3005 ((OCResource *)presenceResource.handle)->sequenceNum = OCGetRandom();
3007 // make resource inactive
3008 result = OCChangeResourceProperty(
3009 &(((OCResource *) presenceResource.handle)->resourceProperties),
3013 if(result != OC_STACK_OK)
3016 "Changing the presence resource properties to ACTIVE not successful");
3020 return SendStopNotification();
3024 OCStackResult OCSetDefaultDeviceEntityHandler(OCDeviceEntityHandler entityHandler,
3025 void* callbackParameter)
3027 defaultDeviceHandler = entityHandler;
3028 defaultDeviceHandlerCallbackParameter = callbackParameter;
3033 OCStackResult OCSetPlatformInfo(OCPlatformInfo platformInfo)
3035 OIC_LOG(INFO, TAG, "Entering OCSetPlatformInfo");
3037 if(myStackMode == OC_SERVER || myStackMode == OC_CLIENT_SERVER || myStackMode == OC_GATEWAY)
3039 if (validatePlatformInfo(platformInfo))
3041 return SavePlatformInfo(platformInfo);
3045 return OC_STACK_INVALID_PARAM;
3050 return OC_STACK_ERROR;
3054 OCStackResult OCSetDeviceInfo(OCDeviceInfo deviceInfo)
3056 OIC_LOG(INFO, TAG, "Entering OCSetDeviceInfo");
3058 if (!deviceInfo.deviceName || deviceInfo.deviceName[0] == '\0')
3060 OIC_LOG(ERROR, TAG, "Null or empty device name.");
3061 return OC_STACK_INVALID_PARAM;
3064 if (deviceInfo.types)
3066 OCStringLL *type = deviceInfo.types;
3067 OCResource *resource = findResource((OCResource *) deviceResource);
3070 return OC_STACK_INVALID_PARAM;
3072 deleteResourceType(resource->rsrcType);
3073 resource->rsrcType = NULL;
3077 OCBindResourceTypeToResource(deviceResource, type->value);
3081 return SaveDeviceInfo(deviceInfo);
3084 OCStackResult OCCreateResource(OCResourceHandle *handle,
3085 const char *resourceTypeName,
3086 const char *resourceInterfaceName,
3087 const char *uri, OCEntityHandler entityHandler,
3088 void* callbackParam,
3089 uint8_t resourceProperties)
3092 OCResource *pointer = NULL;
3093 OCStackResult result = OC_STACK_ERROR;
3095 OIC_LOG(INFO, TAG, "Entering OCCreateResource");
3097 if(myStackMode == OC_CLIENT)
3099 return OC_STACK_INVALID_PARAM;
3101 // Validate parameters
3102 if(!uri || uri[0]=='\0' || strlen(uri)>=MAX_URI_LENGTH )
3104 OIC_LOG(ERROR, TAG, "URI is empty or too long");
3105 return OC_STACK_INVALID_URI;
3107 // Is it presented during resource discovery?
3108 if (!handle || !resourceTypeName || resourceTypeName[0] == '\0' )
3110 OIC_LOG(ERROR, TAG, "Input parameter is NULL");
3111 return OC_STACK_INVALID_PARAM;
3114 if(!resourceInterfaceName || strlen(resourceInterfaceName) == 0)
3116 resourceInterfaceName = OC_RSRVD_INTERFACE_DEFAULT;
3119 // Make sure resourceProperties bitmask has allowed properties specified
3120 if (resourceProperties
3121 > (OC_ACTIVE | OC_DISCOVERABLE | OC_OBSERVABLE | OC_SLOW | OC_SECURE |
3122 OC_EXPLICIT_DISCOVERABLE))
3124 OIC_LOG(ERROR, TAG, "Invalid property");
3125 return OC_STACK_INVALID_PARAM;
3128 // If the headResource is NULL, then no resources have been created...
3129 pointer = headResource;
3132 // At least one resources is in the resource list, so we need to search for
3133 // repeated URLs, which are not allowed. If a repeat is found, exit with an error
3136 if (strncmp(uri, pointer->uri, MAX_URI_LENGTH) == 0)
3138 OIC_LOG_V(ERROR, TAG, "Resource %s already exists", uri);
3139 return OC_STACK_INVALID_PARAM;
3141 pointer = pointer->next;
3144 // Create the pointer and insert it into the resource list
3145 pointer = (OCResource *) OICCalloc(1, sizeof(OCResource));
3148 result = OC_STACK_NO_MEMORY;
3151 pointer->sequenceNum = OC_OFFSET_SEQUENCE_NUMBER;
3153 insertResource(pointer);
3156 pointer->uri = OICStrdup(uri);
3159 result = OC_STACK_NO_MEMORY;
3163 // Set properties. Set OC_ACTIVE
3164 pointer->resourceProperties = (OCResourceProperty) (resourceProperties
3167 // Add the resourcetype to the resource
3168 result = BindResourceTypeToResource(pointer, resourceTypeName);
3169 if (result != OC_STACK_OK)
3171 OIC_LOG(ERROR, TAG, "Error adding resourcetype");
3175 // Add the resourceinterface to the resource
3176 result = BindResourceInterfaceToResource(pointer, resourceInterfaceName);
3177 if (result != OC_STACK_OK)
3179 OIC_LOG(ERROR, TAG, "Error adding resourceinterface");
3183 // If an entity handler has been passed, attach it to the newly created
3184 // resource. Otherwise, set the default entity handler.
3187 pointer->entityHandler = entityHandler;
3188 pointer->entityHandlerCallbackParam = callbackParam;
3192 pointer->entityHandler = defaultResourceEHandler;
3193 pointer->entityHandlerCallbackParam = NULL;
3196 // Initialize a pointer indicating child resources in case of collection
3197 pointer->rsrcChildResourcesHead = NULL;
3200 result = OC_STACK_OK;
3202 #ifdef WITH_PRESENCE
3203 if (presenceResource.handle)
3205 ((OCResource *)presenceResource.handle)->sequenceNum = OCGetRandom();
3206 SendPresenceNotification(pointer->rsrcType, OC_PRESENCE_TRIGGER_CREATE);
3210 if (result != OC_STACK_OK)
3212 // Deep delete of resource and other dynamic elements that it contains
3213 deleteResource(pointer);
3218 OCStackResult OCBindResource(
3219 OCResourceHandle collectionHandle, OCResourceHandle resourceHandle)
3221 OCResource *resource = NULL;
3222 OCChildResource *tempChildResource = NULL;
3223 OCChildResource *newChildResource = NULL;
3225 OIC_LOG(INFO, TAG, "Entering OCBindResource");
3227 // Validate parameters
3228 VERIFY_NON_NULL(collectionHandle, ERROR, OC_STACK_ERROR);
3229 VERIFY_NON_NULL(resourceHandle, ERROR, OC_STACK_ERROR);
3230 // Container cannot contain itself
3231 if (collectionHandle == resourceHandle)
3233 OIC_LOG(ERROR, TAG, "Added handle equals collection handle");
3234 return OC_STACK_INVALID_PARAM;
3237 // Use the handle to find the resource in the resource linked list
3238 resource = findResource((OCResource *) collectionHandle);
3241 OIC_LOG(ERROR, TAG, "Collection handle not found");
3242 return OC_STACK_INVALID_PARAM;
3245 // Look for an open slot to add add the child resource.
3246 // If found, add it and return success
3248 tempChildResource = resource->rsrcChildResourcesHead;
3250 while(resource->rsrcChildResourcesHead && tempChildResource->next)
3252 // TODO: what if one of child resource was deregistered without unbinding?
3253 tempChildResource = tempChildResource->next;
3256 // Do memory allocation for child resource
3257 newChildResource = (OCChildResource *) OICCalloc(1, sizeof(OCChildResource));
3258 if(!newChildResource)
3260 OIC_LOG(ERROR, TAG, "Adding new child resource is failed due to memory allocation failure");
3261 return OC_STACK_ERROR;
3264 newChildResource->rsrcResource = (OCResource *) resourceHandle;
3265 newChildResource->next = NULL;
3267 if(!resource->rsrcChildResourcesHead)
3269 resource->rsrcChildResourcesHead = newChildResource;
3272 tempChildResource->next = newChildResource;
3275 OIC_LOG(INFO, TAG, "resource bound");
3277 #ifdef WITH_PRESENCE
3278 if (presenceResource.handle)
3280 ((OCResource *)presenceResource.handle)->sequenceNum = OCGetRandom();
3281 SendPresenceNotification(((OCResource *) resourceHandle)->rsrcType,
3282 OC_PRESENCE_TRIGGER_CHANGE);
3289 OCStackResult OCUnBindResource(
3290 OCResourceHandle collectionHandle, OCResourceHandle resourceHandle)
3292 OCResource *resource = NULL;
3293 OCChildResource *tempChildResource = NULL;
3294 OCChildResource *tempLastChildResource = NULL;
3296 OIC_LOG(INFO, TAG, "Entering OCUnBindResource");
3298 // Validate parameters
3299 VERIFY_NON_NULL(collectionHandle, ERROR, OC_STACK_ERROR);
3300 VERIFY_NON_NULL(resourceHandle, ERROR, OC_STACK_ERROR);
3301 // Container cannot contain itself
3302 if (collectionHandle == resourceHandle)
3304 OIC_LOG(ERROR, TAG, "removing handle equals collection handle");
3305 return OC_STACK_INVALID_PARAM;
3308 // Use the handle to find the resource in the resource linked list
3309 resource = findResource((OCResource *) collectionHandle);
3312 OIC_LOG(ERROR, TAG, "Collection handle not found");
3313 return OC_STACK_INVALID_PARAM;
3316 // Look for an open slot to add add the child resource.
3317 // If found, add it and return success
3318 if(!resource->rsrcChildResourcesHead)
3320 OIC_LOG(INFO, TAG, "resource not found in collection");
3322 // Unable to add resourceHandle, so return error
3323 return OC_STACK_ERROR;
3327 tempChildResource = resource->rsrcChildResourcesHead;
3329 while (tempChildResource)
3331 if(tempChildResource->rsrcResource == resourceHandle)
3333 // if resource going to be unbinded is the head one.
3334 if( tempChildResource == resource->rsrcChildResourcesHead )
3336 OCChildResource *temp = resource->rsrcChildResourcesHead->next;
3337 OICFree(resource->rsrcChildResourcesHead);
3338 resource->rsrcChildResourcesHead = temp;
3343 OCChildResource *temp = tempChildResource->next;
3344 OICFree(tempChildResource);
3345 tempLastChildResource->next = temp;
3349 OIC_LOG(INFO, TAG, "resource unbound");
3351 // Send notification when resource is unbounded successfully.
3352 #ifdef WITH_PRESENCE
3353 if (presenceResource.handle)
3355 ((OCResource *)presenceResource.handle)->sequenceNum = OCGetRandom();
3356 SendPresenceNotification(((OCResource *) resourceHandle)->rsrcType,
3357 OC_PRESENCE_TRIGGER_CHANGE);
3360 tempChildResource = NULL;
3361 tempLastChildResource = NULL;
3367 tempLastChildResource = tempChildResource;
3368 tempChildResource = tempChildResource->next;
3371 OIC_LOG(INFO, TAG, "resource not found in collection");
3373 tempChildResource = NULL;
3374 tempLastChildResource = NULL;
3376 // Unable to add resourceHandle, so return error
3377 return OC_STACK_ERROR;
3380 // Precondition is that the parameter has been checked to not equal NULL.
3381 static bool ValidateResourceTypeInterface(const char *resourceItemName)
3383 if (resourceItemName[0] < 'a' || resourceItemName[0] > 'z')
3389 while (resourceItemName[index] != '\0')
3391 if (resourceItemName[index] != '.' &&
3392 resourceItemName[index] != '-' &&
3393 (resourceItemName[index] < 'a' || resourceItemName[index] > 'z') &&
3394 (resourceItemName[index] < '0' || resourceItemName[index] > '9'))
3403 OCStackResult BindResourceTypeToResource(OCResource* resource,
3404 const char *resourceTypeName)
3406 OCResourceType *pointer = NULL;
3408 OCStackResult result = OC_STACK_ERROR;
3410 VERIFY_NON_NULL(resourceTypeName, ERROR, OC_STACK_INVALID_PARAM);
3412 if (!ValidateResourceTypeInterface(resourceTypeName))
3414 OIC_LOG(ERROR, TAG, "resource type illegal (see RFC 6690)");
3415 return OC_STACK_INVALID_PARAM;
3418 pointer = (OCResourceType *) OICCalloc(1, sizeof(OCResourceType));
3421 result = OC_STACK_NO_MEMORY;
3425 str = OICStrdup(resourceTypeName);
3428 result = OC_STACK_NO_MEMORY;
3431 pointer->resourcetypename = str;
3432 pointer->next = NULL;
3434 insertResourceType(resource, pointer);
3435 result = OC_STACK_OK;
3438 if (result != OC_STACK_OK)
3447 OCStackResult BindResourceInterfaceToResource(OCResource* resource,
3448 const char *resourceInterfaceName)
3450 OCResourceInterface *pointer = NULL;
3452 OCStackResult result = OC_STACK_ERROR;
3454 VERIFY_NON_NULL(resourceInterfaceName, ERROR, OC_STACK_INVALID_PARAM);
3456 if (!ValidateResourceTypeInterface(resourceInterfaceName))
3458 OIC_LOG(ERROR, TAG, "resource /interface illegal (see RFC 6690)");
3459 return OC_STACK_INVALID_PARAM;
3462 OIC_LOG_V(INFO, TAG, "Binding %s interface to %s", resourceInterfaceName, resource->uri);
3464 pointer = (OCResourceInterface *) OICCalloc(1, sizeof(OCResourceInterface));
3467 result = OC_STACK_NO_MEMORY;
3471 str = OICStrdup(resourceInterfaceName);
3474 result = OC_STACK_NO_MEMORY;
3477 pointer->name = str;
3479 // Bind the resourceinterface to the resource
3480 insertResourceInterface(resource, pointer);
3482 result = OC_STACK_OK;
3485 if (result != OC_STACK_OK)
3494 OCStackResult OCBindResourceTypeToResource(OCResourceHandle handle,
3495 const char *resourceTypeName)
3498 OCStackResult result = OC_STACK_ERROR;
3499 OCResource *resource = NULL;
3501 resource = findResource((OCResource *) handle);
3504 OIC_LOG(ERROR, TAG, "Resource not found");
3505 return OC_STACK_ERROR;
3508 result = BindResourceTypeToResource(resource, resourceTypeName);
3510 #ifdef WITH_PRESENCE
3511 if(presenceResource.handle)
3513 ((OCResource *)presenceResource.handle)->sequenceNum = OCGetRandom();
3514 SendPresenceNotification(resource->rsrcType, OC_PRESENCE_TRIGGER_CHANGE);
3521 OCStackResult OCBindResourceInterfaceToResource(OCResourceHandle handle,
3522 const char *resourceInterfaceName)
3525 OCStackResult result = OC_STACK_ERROR;
3526 OCResource *resource = NULL;
3528 resource = findResource((OCResource *) handle);
3531 OIC_LOG(ERROR, TAG, "Resource not found");
3532 return OC_STACK_ERROR;
3535 result = BindResourceInterfaceToResource(resource, resourceInterfaceName);
3537 #ifdef WITH_PRESENCE
3538 if (presenceResource.handle)
3540 ((OCResource *)presenceResource.handle)->sequenceNum = OCGetRandom();
3541 SendPresenceNotification(resource->rsrcType, OC_PRESENCE_TRIGGER_CHANGE);
3548 OCStackResult OCGetNumberOfResources(uint8_t *numResources)
3550 OCResource *pointer = headResource;
3552 VERIFY_NON_NULL(numResources, ERROR, OC_STACK_INVALID_PARAM);
3556 *numResources = *numResources + 1;
3557 pointer = pointer->next;
3562 OCResourceHandle OCGetResourceHandle(uint8_t index)
3564 OCResource *pointer = headResource;
3566 for( uint8_t i = 0; i < index && pointer; ++i)
3568 pointer = pointer->next;
3570 return (OCResourceHandle) pointer;
3573 OCStackResult OCDeleteResource(OCResourceHandle handle)
3577 OIC_LOG(ERROR, TAG, "Invalid handle for deletion");
3578 return OC_STACK_INVALID_PARAM;
3581 OCResource *resource = findResource((OCResource *) handle);
3582 if (resource == NULL)
3584 OIC_LOG(ERROR, TAG, "Resource not found");
3585 return OC_STACK_NO_RESOURCE;
3588 if (deleteResource((OCResource *) handle) != OC_STACK_OK)
3590 OIC_LOG(ERROR, TAG, "Error deleting resource");
3591 return OC_STACK_ERROR;
3597 const char *OCGetResourceUri(OCResourceHandle handle)
3599 OCResource *resource = NULL;
3601 resource = findResource((OCResource *) handle);
3604 return resource->uri;
3606 return (const char *) NULL;
3609 OCResourceProperty OCGetResourceProperties(OCResourceHandle handle)
3611 OCResource *resource = NULL;
3613 resource = findResource((OCResource *) handle);
3616 return resource->resourceProperties;
3618 return (OCResourceProperty)-1;
3621 OCStackResult OCGetNumberOfResourceTypes(OCResourceHandle handle,
3622 uint8_t *numResourceTypes)
3624 OCResource *resource = NULL;
3625 OCResourceType *pointer = NULL;
3627 VERIFY_NON_NULL(numResourceTypes, ERROR, OC_STACK_INVALID_PARAM);
3628 VERIFY_NON_NULL(handle, ERROR, OC_STACK_INVALID_PARAM);
3630 *numResourceTypes = 0;
3632 resource = findResource((OCResource *) handle);
3635 pointer = resource->rsrcType;
3638 *numResourceTypes = *numResourceTypes + 1;
3639 pointer = pointer->next;
3645 const char *OCGetResourceTypeName(OCResourceHandle handle, uint8_t index)
3647 OCResourceType *resourceType = NULL;
3649 resourceType = findResourceTypeAtIndex(handle, index);
3652 return resourceType->resourcetypename;
3654 return (const char *) NULL;
3657 OCStackResult OCGetNumberOfResourceInterfaces(OCResourceHandle handle,
3658 uint8_t *numResourceInterfaces)
3660 OCResourceInterface *pointer = NULL;
3661 OCResource *resource = NULL;
3663 VERIFY_NON_NULL(handle, ERROR, OC_STACK_INVALID_PARAM);
3664 VERIFY_NON_NULL(numResourceInterfaces, ERROR, OC_STACK_INVALID_PARAM);
3666 *numResourceInterfaces = 0;
3667 resource = findResource((OCResource *) handle);
3670 pointer = resource->rsrcInterface;
3673 *numResourceInterfaces = *numResourceInterfaces + 1;
3674 pointer = pointer->next;
3680 const char *OCGetResourceInterfaceName(OCResourceHandle handle, uint8_t index)
3682 OCResourceInterface *resourceInterface = NULL;
3684 resourceInterface = findResourceInterfaceAtIndex(handle, index);
3685 if (resourceInterface)
3687 return resourceInterface->name;
3689 return (const char *) NULL;
3692 OCResourceHandle OCGetResourceHandleFromCollection(OCResourceHandle collectionHandle,
3695 OCResource *resource = NULL;
3696 OCChildResource *tempChildResource = NULL;
3699 resource = findResource((OCResource *) collectionHandle);
3705 tempChildResource = resource->rsrcChildResourcesHead;
3707 while(tempChildResource)
3711 return tempChildResource->rsrcResource;
3714 tempChildResource = tempChildResource->next;
3717 // In this case, the number of resource handles in the collection exceeds the index
3718 tempChildResource = NULL;
3722 OCStackResult OCBindResourceHandler(OCResourceHandle handle,
3723 OCEntityHandler entityHandler,
3724 void* callbackParam)
3726 OCResource *resource = NULL;
3728 // Validate parameters
3729 VERIFY_NON_NULL(handle, ERROR, OC_STACK_INVALID_PARAM);
3731 // Use the handle to find the resource in the resource linked list
3732 resource = findResource((OCResource *)handle);
3735 OIC_LOG(ERROR, TAG, "Resource not found");
3736 return OC_STACK_ERROR;
3740 resource->entityHandler = entityHandler;
3741 resource->entityHandlerCallbackParam = callbackParam;
3743 #ifdef WITH_PRESENCE
3744 if (presenceResource.handle)
3746 ((OCResource *)presenceResource.handle)->sequenceNum = OCGetRandom();
3747 SendPresenceNotification(resource->rsrcType, OC_PRESENCE_TRIGGER_CHANGE);
3754 OCEntityHandler OCGetResourceHandler(OCResourceHandle handle)
3756 OCResource *resource = NULL;
3758 resource = findResource((OCResource *)handle);
3761 OIC_LOG(ERROR, TAG, "Resource not found");
3766 return resource->entityHandler;
3769 void incrementSequenceNumber(OCResource * resPtr)
3771 // Increment the sequence number
3772 resPtr->sequenceNum += 1;
3773 if (resPtr->sequenceNum == MAX_SEQUENCE_NUMBER)
3775 resPtr->sequenceNum = OC_OFFSET_SEQUENCE_NUMBER+1;
3780 #ifdef WITH_PRESENCE
3781 OCStackResult SendPresenceNotification(OCResourceType *resourceType,
3782 OCPresenceTrigger trigger)
3784 OCResource *resPtr = NULL;
3785 OCStackResult result = OC_STACK_ERROR;
3786 OCMethod method = OC_REST_PRESENCE;
3787 uint32_t maxAge = 0;
3788 resPtr = findResource((OCResource *) presenceResource.handle);
3791 return OC_STACK_NO_RESOURCE;
3794 if((((OCResource *) presenceResource.handle)->resourceProperties) & OC_ACTIVE)
3796 maxAge = presenceResource.presenceTTL;
3798 result = SendAllObserverNotification(method, resPtr, maxAge,
3799 trigger, resourceType, OC_LOW_QOS);
3805 OCStackResult SendStopNotification()
3807 OCResource *resPtr = NULL;
3808 OCStackResult result = OC_STACK_ERROR;
3809 OCMethod method = OC_REST_PRESENCE;
3810 resPtr = findResource((OCResource *) presenceResource.handle);
3813 return OC_STACK_NO_RESOURCE;
3816 // maxAge is 0. ResourceType is NULL.
3817 result = SendAllObserverNotification(method, resPtr, 0, OC_PRESENCE_TRIGGER_DELETE,
3823 #endif // WITH_PRESENCE
3824 OCStackResult OCNotifyAllObservers(OCResourceHandle handle, OCQualityOfService qos)
3826 OCResource *resPtr = NULL;
3827 OCStackResult result = OC_STACK_ERROR;
3828 OCMethod method = OC_REST_NOMETHOD;
3829 uint32_t maxAge = 0;
3831 OIC_LOG(INFO, TAG, "Notifying all observers");
3832 #ifdef WITH_PRESENCE
3833 if(handle == presenceResource.handle)
3837 #endif // WITH_PRESENCE
3838 VERIFY_NON_NULL(handle, ERROR, OC_STACK_ERROR);
3840 // Verify that the resource exists
3841 resPtr = findResource ((OCResource *) handle);
3844 return OC_STACK_NO_RESOURCE;
3848 //only increment in the case of regular observing (not presence)
3849 incrementSequenceNumber(resPtr);
3850 method = OC_REST_OBSERVE;
3851 maxAge = MAX_OBSERVE_AGE;
3852 #ifdef WITH_PRESENCE
3853 result = SendAllObserverNotification (method, resPtr, maxAge,
3854 OC_PRESENCE_TRIGGER_DELETE, NULL, qos);
3856 result = SendAllObserverNotification (method, resPtr, maxAge, qos);
3863 OCNotifyListOfObservers (OCResourceHandle handle,
3864 OCObservationId *obsIdList,
3865 uint8_t numberOfIds,
3866 const OCRepPayload *payload,
3867 OCQualityOfService qos)
3869 OIC_LOG(INFO, TAG, "Entering OCNotifyListOfObservers");
3871 OCResource *resPtr = NULL;
3872 //TODO: we should allow the server to define this
3873 uint32_t maxAge = MAX_OBSERVE_AGE;
3875 VERIFY_NON_NULL(handle, ERROR, OC_STACK_ERROR);
3876 VERIFY_NON_NULL(obsIdList, ERROR, OC_STACK_ERROR);
3877 VERIFY_NON_NULL(payload, ERROR, OC_STACK_ERROR);
3879 resPtr = findResource ((OCResource *) handle);
3880 if (NULL == resPtr || myStackMode == OC_CLIENT)
3882 return OC_STACK_NO_RESOURCE;
3886 incrementSequenceNumber(resPtr);
3888 return (SendListObserverNotification(resPtr, obsIdList, numberOfIds,
3889 payload, maxAge, qos));
3892 OCStackResult OCDoResponse(OCEntityHandlerResponse *ehResponse)
3894 OCStackResult result = OC_STACK_ERROR;
3895 OCServerRequest *serverRequest = NULL;
3897 OIC_LOG(INFO, TAG, "Entering OCDoResponse");
3899 // Validate input parameters
3900 VERIFY_NON_NULL(ehResponse, ERROR, OC_STACK_INVALID_PARAM);
3901 VERIFY_NON_NULL(ehResponse->requestHandle, ERROR, OC_STACK_INVALID_PARAM);
3904 // Get pointer to request info
3905 serverRequest = GetServerRequestUsingHandle((OCServerRequest *)ehResponse->requestHandle);
3908 // response handler in ocserverrequest.c. Usually HandleSingleResponse.
3909 result = serverRequest->ehResponseHandler(ehResponse);
3915 //#ifdef DIRECT_PAIRING
3916 const OCDPDev_t* OCDiscoverDirectPairingDevices(unsigned short waittime)
3918 OIC_LOG(INFO, TAG, "Start OCDiscoverDirectPairingDevices");
3919 if(OC_STACK_OK != DPDeviceDiscovery(waittime))
3921 OIC_LOG(ERROR, TAG, "Fail to discover Direct-Pairing device");
3925 return (const OCDPDev_t*)DPGetDiscoveredDevices();
3928 const OCDPDev_t* OCGetDirectPairedDevices()
3930 return (const OCDPDev_t*)DPGetPairedDevices();
3933 void DirectPairingCB (OCDirectPairingDev_t * peer, OCStackResult result)
3935 if (gDirectpairingCallback)
3937 gDirectpairingCallback((OCDPDev_t*)peer, result);
3938 gDirectpairingCallback = NULL;
3942 OCStackResult OCDoDirectPairing(OCDPDev_t* peer, OCPrm_t pmSel, char *pinNumber,
3943 OCDirectPairingCB resultCallback)
3945 OIC_LOG(INFO, TAG, "Start OCDoDirectPairing");
3946 if(NULL == peer || NULL == pinNumber)
3948 OIC_LOG(ERROR, TAG, "Invalid parameters");
3949 return OC_STACK_INVALID_PARAM;
3951 if (NULL == resultCallback)
3953 OIC_LOG(ERROR, TAG, "Invalid callback");
3954 return OC_STACK_INVALID_CALLBACK;
3957 gDirectpairingCallback = resultCallback;
3958 return DPDirectPairing((OCDirectPairingDev_t*)peer, (OicSecPrm_t)pmSel,
3959 pinNumber, DirectPairingCB);
3961 //#endif // DIRECT_PAIRING
3963 //-----------------------------------------------------------------------------
3964 // Private internal function definitions
3965 //-----------------------------------------------------------------------------
3966 static OCDoHandle GenerateInvocationHandle()
3968 OCDoHandle handle = NULL;
3969 // Generate token here, it will be deleted when the transaction is deleted
3970 handle = (OCDoHandle) OICMalloc(sizeof(uint8_t[CA_MAX_TOKEN_LEN]));
3973 OCFillRandomMem((uint8_t*)handle, sizeof(uint8_t[CA_MAX_TOKEN_LEN]));
3979 #ifdef WITH_PRESENCE
3980 OCStackResult OCChangeResourceProperty(OCResourceProperty * inputProperty,
3981 OCResourceProperty resourceProperties, uint8_t enable)
3985 return OC_STACK_INVALID_PARAM;
3987 if (resourceProperties
3988 > (OC_ACTIVE | OC_DISCOVERABLE | OC_OBSERVABLE | OC_SLOW))
3990 OIC_LOG(ERROR, TAG, "Invalid property");
3991 return OC_STACK_INVALID_PARAM;
3995 *inputProperty = (OCResourceProperty) (*inputProperty & ~(resourceProperties));
3999 *inputProperty = (OCResourceProperty) (*inputProperty | resourceProperties);
4005 OCStackResult initResources()
4007 OCStackResult result = OC_STACK_OK;
4009 headResource = NULL;
4010 tailResource = NULL;
4011 // Init Virtual Resources
4012 #ifdef WITH_PRESENCE
4013 presenceResource.presenceTTL = OC_DEFAULT_PRESENCE_TTL_SECONDS;
4015 result = OCCreateResource(&presenceResource.handle,
4016 OC_RSRVD_RESOURCE_TYPE_PRESENCE,
4018 OC_RSRVD_PRESENCE_URI,
4022 //make resource inactive
4023 result = OCChangeResourceProperty(
4024 &(((OCResource *) presenceResource.handle)->resourceProperties),
4027 #ifndef WITH_ARDUINO
4028 if (result == OC_STACK_OK)
4030 result = SRMInitSecureResources();
4034 if(result == OC_STACK_OK)
4036 result = OCCreateResource(&deviceResource,
4037 OC_RSRVD_RESOURCE_TYPE_DEVICE,
4038 OC_RSRVD_INTERFACE_DEFAULT,
4039 OC_RSRVD_DEVICE_URI,
4043 if(result == OC_STACK_OK)
4045 result = BindResourceInterfaceToResource((OCResource *)deviceResource,
4046 OC_RSRVD_INTERFACE_READ);
4050 if(result == OC_STACK_OK)
4052 result = OCCreateResource(&platformResource,
4053 OC_RSRVD_RESOURCE_TYPE_PLATFORM,
4054 OC_RSRVD_INTERFACE_DEFAULT,
4055 OC_RSRVD_PLATFORM_URI,
4059 if(result == OC_STACK_OK)
4061 result = BindResourceInterfaceToResource((OCResource *)platformResource,
4062 OC_RSRVD_INTERFACE_READ);
4069 void insertResource(OCResource *resource)
4073 headResource = resource;
4074 tailResource = resource;
4078 tailResource->next = resource;
4079 tailResource = resource;
4081 resource->next = NULL;
4084 OCResource *findResource(OCResource *resource)
4086 OCResource *pointer = headResource;
4090 if (pointer == resource)
4094 pointer = pointer->next;
4099 void deleteAllResources()
4101 OCResource *pointer = headResource;
4102 OCResource *temp = NULL;
4106 temp = pointer->next;
4107 #ifdef WITH_PRESENCE
4108 if (pointer != (OCResource *) presenceResource.handle)
4110 #endif // WITH_PRESENCE
4111 deleteResource(pointer);
4112 #ifdef WITH_PRESENCE
4114 #endif // WITH_PRESENCE
4118 SRMDeInitSecureResources();
4120 #ifdef WITH_PRESENCE
4121 // Ensure that the last resource to be deleted is the presence resource. This allows for all
4122 // presence notification attributed to their deletion to be processed.
4123 deleteResource((OCResource *) presenceResource.handle);
4124 #endif // WITH_PRESENCE
4127 OCStackResult deleteResource(OCResource *resource)
4129 OCResource *prev = NULL;
4130 OCResource *temp = NULL;
4133 OIC_LOG(DEBUG,TAG,"resource is NULL");
4134 return OC_STACK_INVALID_PARAM;
4137 OIC_LOG_V (INFO, TAG, "Deleting resource %s", resource->uri);
4139 temp = headResource;
4142 if (temp == resource)
4144 // Invalidate all Resource Properties.
4145 resource->resourceProperties = (OCResourceProperty) 0;
4146 #ifdef WITH_PRESENCE
4147 if(resource != (OCResource *) presenceResource.handle)
4149 #endif // WITH_PRESENCE
4150 OCNotifyAllObservers((OCResourceHandle)resource, OC_HIGH_QOS);
4151 #ifdef WITH_PRESENCE
4154 if(presenceResource.handle)
4156 ((OCResource *)presenceResource.handle)->sequenceNum = OCGetRandom();
4157 SendPresenceNotification(resource->rsrcType, OC_PRESENCE_TRIGGER_DELETE);
4160 // Only resource in list.
4161 if (temp == headResource && temp == tailResource)
4163 headResource = NULL;
4164 tailResource = NULL;
4167 else if (temp == headResource)
4169 headResource = temp->next;
4172 else if (temp == tailResource)
4174 tailResource = prev;
4175 tailResource->next = NULL;
4179 prev->next = temp->next;
4182 deleteResourceElements(temp);
4193 return OC_STACK_ERROR;
4196 void deleteResourceElements(OCResource *resource)
4203 OICFree(resource->uri);
4204 deleteResourceType(resource->rsrcType);
4205 deleteResourceInterface(resource->rsrcInterface);
4208 void deleteResourceType(OCResourceType *resourceType)
4210 OCResourceType *pointer = resourceType;
4211 OCResourceType *next = NULL;
4215 next = pointer->next;
4216 OICFree(pointer->resourcetypename);
4222 void deleteResourceInterface(OCResourceInterface *resourceInterface)
4224 OCResourceInterface *pointer = resourceInterface;
4225 OCResourceInterface *next = NULL;
4229 next = pointer->next;
4230 OICFree(pointer->name);
4236 void insertResourceType(OCResource *resource, OCResourceType *resourceType)
4238 OCResourceType *pointer = NULL;
4239 OCResourceType *previous = NULL;
4240 if (!resource || !resourceType)
4244 // resource type list is empty.
4245 else if (!resource->rsrcType)
4247 resource->rsrcType = resourceType;
4251 pointer = resource->rsrcType;
4255 if (!strcmp(resourceType->resourcetypename, pointer->resourcetypename))
4257 OIC_LOG_V(INFO, TAG, "Type %s already exists", resourceType->resourcetypename);
4258 OICFree(resourceType->resourcetypename);
4259 OICFree(resourceType);
4263 pointer = pointer->next;
4268 previous->next = resourceType;
4271 resourceType->next = NULL;
4273 OIC_LOG_V(INFO, TAG, "Added type %s to %s", resourceType->resourcetypename, resource->uri);
4276 OCResourceType *findResourceTypeAtIndex(OCResourceHandle handle, uint8_t index)
4278 OCResource *resource = NULL;
4279 OCResourceType *pointer = NULL;
4281 // Find the specified resource
4282 resource = findResource((OCResource *) handle);
4288 // Make sure a resource has a resourcetype
4289 if (!resource->rsrcType)
4294 // Iterate through the list
4295 pointer = resource->rsrcType;
4296 for(uint8_t i = 0; i< index && pointer; ++i)
4298 pointer = pointer->next;
4303 OCResourceType *findResourceType(OCResourceType * resourceTypeList, const char * resourceTypeName)
4305 if(resourceTypeList && resourceTypeName)
4307 OCResourceType * rtPointer = resourceTypeList;
4308 while(resourceTypeName && rtPointer)
4310 if(rtPointer->resourcetypename &&
4311 strcmp(resourceTypeName, (const char *)
4312 (rtPointer->resourcetypename)) == 0)
4316 rtPointer = rtPointer->next;
4324 * Insert a new interface into interface linked list only if not already present.
4325 * If alredy present, 2nd arg is free'd.
4326 * Default interface will always be first if present.
4328 void insertResourceInterface(OCResource *resource, OCResourceInterface *newInterface)
4330 OCResourceInterface *pointer = NULL;
4331 OCResourceInterface *previous = NULL;
4333 newInterface->next = NULL;
4335 OCResourceInterface **firstInterface = &(resource->rsrcInterface);
4337 if (!*firstInterface)
4339 // If first interface is not oic.if.baseline, by default add it as first interface type.
4340 if (0 == strcmp(newInterface->name, OC_RSRVD_INTERFACE_DEFAULT))
4342 *firstInterface = newInterface;
4346 OCStackResult result = BindResourceInterfaceToResource(resource, OC_RSRVD_INTERFACE_DEFAULT);
4347 if (result != OC_STACK_OK)
4349 OICFree(newInterface->name);
4350 OICFree(newInterface);
4353 if (*firstInterface)
4355 (*firstInterface)->next = newInterface;
4359 // If once add oic.if.baseline, later too below code take care of freeing memory.
4360 else if (strcmp(newInterface->name, OC_RSRVD_INTERFACE_DEFAULT) == 0)
4362 if (strcmp((*firstInterface)->name, OC_RSRVD_INTERFACE_DEFAULT) == 0)
4364 OICFree(newInterface->name);
4365 OICFree(newInterface);
4368 // This code will not hit anymore, keeping
4371 newInterface->next = *firstInterface;
4372 *firstInterface = newInterface;
4377 pointer = *firstInterface;
4380 if (strcmp(newInterface->name, pointer->name) == 0)
4382 OICFree(newInterface->name);
4383 OICFree(newInterface);
4387 pointer = pointer->next;
4389 previous->next = newInterface;
4393 OCResourceInterface *findResourceInterfaceAtIndex(OCResourceHandle handle,
4396 OCResource *resource = NULL;
4397 OCResourceInterface *pointer = NULL;
4399 // Find the specified resource
4400 resource = findResource((OCResource *) handle);
4406 // Make sure a resource has a resourceinterface
4407 if (!resource->rsrcInterface)
4412 // Iterate through the list
4413 pointer = resource->rsrcInterface;
4415 for (uint8_t i = 0; i < index && pointer; ++i)
4417 pointer = pointer->next;
4423 * This function splits the uri using the '?' delimiter.
4424 * "uriWithoutQuery" is the block of characters between the beginning
4425 * till the delimiter or '\0' which ever comes first.
4426 * "query" is whatever is to the right of the delimiter if present.
4427 * No delimiter sets the query to NULL.
4428 * If either are present, they will be malloc'ed into the params 2, 3.
4429 * The first param, *uri is left untouched.
4431 * NOTE: This function does not account for whitespace at the end of the uri NOR
4432 * malformed uri's with '??'. Whitespace at the end will be assumed to be
4433 * part of the query.
4435 OCStackResult getQueryFromUri(const char * uri, char** query, char ** uriWithoutQuery)
4439 return OC_STACK_INVALID_URI;
4441 if(!query || !uriWithoutQuery)
4443 return OC_STACK_INVALID_PARAM;
4447 *uriWithoutQuery = NULL;
4449 size_t uriWithoutQueryLen = 0;
4450 size_t queryLen = 0;
4451 size_t uriLen = strlen(uri);
4453 char *pointerToDelimiter = strstr(uri, "?");
4455 uriWithoutQueryLen = pointerToDelimiter == NULL ? uriLen : (size_t)(pointerToDelimiter - uri);
4456 queryLen = pointerToDelimiter == NULL ? 0 : uriLen - uriWithoutQueryLen - 1;
4458 if (uriWithoutQueryLen)
4460 *uriWithoutQuery = (char *) OICCalloc(uriWithoutQueryLen + 1, 1);
4461 if (!*uriWithoutQuery)
4465 OICStrcpy(*uriWithoutQuery, uriWithoutQueryLen +1, uri);
4469 *query = (char *) OICCalloc(queryLen + 1, 1);
4472 OICFree(*uriWithoutQuery);
4473 *uriWithoutQuery = NULL;
4476 OICStrcpy(*query, queryLen + 1, pointerToDelimiter + 1);
4482 return OC_STACK_NO_MEMORY;
4485 static const OicUuid_t* OCGetServerInstanceID(void)
4487 static bool generated = false;
4488 static OicUuid_t sid;
4494 if (OC_STACK_OK != GetDoxmDeviceID(&sid))
4496 OIC_LOG(FATAL, TAG, "Generate UUID for Server Instance failed!");
4503 const char* OCGetServerInstanceIDString(void)
4505 static bool generated = false;
4506 static char sidStr[UUID_STRING_SIZE];
4513 const OicUuid_t *sid = OCGetServerInstanceID();
4514 if(OCConvertUuidToString(sid->id, sidStr) != RAND_UUID_OK)
4516 OIC_LOG(FATAL, TAG, "Generate UUID String for Server Instance failed!");
4524 CAResult_t OCSelectNetwork()
4526 CAResult_t retResult = CA_STATUS_FAILED;
4527 CAResult_t caResult = CA_STATUS_OK;
4529 CATransportAdapter_t connTypes[] = {
4531 CA_ADAPTER_RFCOMM_BTEDR,
4532 CA_ADAPTER_GATT_BTLE,
4535 ,CA_ADAPTER_REMOTE_ACCESS
4542 int numConnTypes = sizeof(connTypes)/sizeof(connTypes[0]);
4544 for(int i = 0; i<numConnTypes; i++)
4546 // Ignore CA_NOT_SUPPORTED error. The CA Layer may have not compiled in the interface.
4547 if(caResult == CA_STATUS_OK || caResult == CA_NOT_SUPPORTED)
4549 caResult = CASelectNetwork(connTypes[i]);
4550 if(caResult == CA_STATUS_OK)
4552 retResult = CA_STATUS_OK;
4557 if(retResult != CA_STATUS_OK)
4559 return caResult; // Returns error of appropriate transport that failed fatally.
4565 OCStackResult CAResultToOCResult(CAResult_t caResult)
4571 case CA_STATUS_INVALID_PARAM:
4572 return OC_STACK_INVALID_PARAM;
4573 case CA_ADAPTER_NOT_ENABLED:
4574 return OC_STACK_ADAPTER_NOT_ENABLED;
4575 case CA_SERVER_STARTED_ALREADY:
4577 case CA_SERVER_NOT_STARTED:
4578 return OC_STACK_ERROR;
4579 case CA_DESTINATION_NOT_REACHABLE:
4580 return OC_STACK_COMM_ERROR;
4581 case CA_SOCKET_OPERATION_FAILED:
4582 return OC_STACK_COMM_ERROR;
4583 case CA_SEND_FAILED:
4584 return OC_STACK_COMM_ERROR;
4585 case CA_RECEIVE_FAILED:
4586 return OC_STACK_COMM_ERROR;
4587 case CA_MEMORY_ALLOC_FAILED:
4588 return OC_STACK_NO_MEMORY;
4589 case CA_REQUEST_TIMEOUT:
4590 return OC_STACK_TIMEOUT;
4591 case CA_DESTINATION_DISCONNECTED:
4592 return OC_STACK_COMM_ERROR;
4593 case CA_STATUS_FAILED:
4594 return OC_STACK_ERROR;
4595 case CA_NOT_SUPPORTED:
4596 return OC_STACK_NOTIMPL;
4598 return OC_STACK_ERROR;