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 //-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
21 // Defining _POSIX_C_SOURCE macro with 200112L (or greater) as value
22 // causes header files to expose definitions
23 // corresponding to the POSIX.1-2001 base
24 // specification (excluding the XSI extension).
25 // For POSIX.1-2001 base specification,
26 // Refer http://pubs.opengroup.org/onlinepubs/009695399/
27 #define _POSIX_C_SOURCE 200112L
29 #include "ocresource.h"
30 #include "ocresourcehandler.h"
31 #include "ocobserve.h"
32 #include "occollection.h"
33 #include "oic_malloc.h"
34 #include "oic_string.h"
37 #include "ocpayload.h"
38 #include "secureresourcemanager.h"
40 #include "cainterface.h"
41 #include "rdpayload.h"
42 #include "ocpayload.h"
45 #include "rd_server.h"
48 #ifdef ROUTING_GATEWAY
49 #include "routingmanager.h"
53 #define TAG "OIC_RI_RESOURCE"
55 #define VERIFY_SUCCESS(op, successCode) { if (op != successCode) \
56 {OIC_LOG_V(FATAL, TAG, "%s failed!!", #op); goto exit;} }
58 #define VERIFY_NON_NULL(arg, logLevel, retVal) { if (!(arg)) { OIC_LOG((logLevel), \
59 TAG, #arg " is NULL"); return (retVal); } }
61 extern OCResource *headResource;
62 static OCPlatformInfo savedPlatformInfo = {0};
63 static OCDeviceInfo savedDeviceInfo = {0};
66 * Prepares a Payload for response.
68 static OCStackResult BuildVirtualResourceResponse(const OCResource *resourcePtr,
69 OCDiscoveryPayload* payload,
73 //-----------------------------------------------------------------------------
74 // Default resource entity handler function
75 //-----------------------------------------------------------------------------
76 OCEntityHandlerResult defaultResourceEHandler(OCEntityHandlerFlag flag,
77 OCEntityHandlerRequest * request, void* callbackParam)
79 //TODO ("Implement me!!!!");
80 // TODO: remove silence unused param warnings
84 return OC_EH_OK; // Making sure that the Default EH and the Vendor EH have matching signatures
87 /* This method will retrieve the port at which the secure resource is hosted */
88 static OCStackResult GetSecurePortInfo(OCDevAddr *endpoint, uint16_t *port)
92 if (endpoint->adapter == OC_ADAPTER_IP)
94 if (endpoint->flags & OC_IP_USE_V6)
96 p = caglobals.ip.u6s.port;
98 else if (endpoint->flags & OC_IP_USE_V4)
100 p = caglobals.ip.u4s.port;
109 * Function will extract 0, 1 or 2 filters from query.
110 * More than 2 filters or unsupported filters will result in error.
111 * If both filters are of the same supported type, the 2nd one will be picked.
112 * Resource and device filters in the SAME query are NOT validated
113 * and resources will likely not clear filters.
115 static OCStackResult ExtractFiltersFromQuery(char *query, char **filterOne, char **filterTwo)
120 char *restOfQuery = NULL;
121 int numKeyValuePairsParsed = 0;
126 OIC_LOG_V(INFO, TAG, "Extracting params from %s", query);
128 char *keyValuePair = strtok_r (query, OC_QUERY_SEPARATOR, &restOfQuery);
132 if (numKeyValuePairsParsed >= 2)
134 OIC_LOG(ERROR, TAG, "More than 2 queries params in URI.");
135 return OC_STACK_INVALID_QUERY;
138 key = strtok_r(keyValuePair, OC_KEY_VALUE_DELIMITER, &value);
142 return OC_STACK_INVALID_QUERY;
144 else if (strcmp (key, OC_RSRVD_INTERFACE) == 0)
146 *filterOne = value; // if
148 else if (strcmp (key, OC_RSRVD_RESOURCE_TYPE) == 0)
150 *filterTwo = value; // rt
154 OIC_LOG_V(ERROR, TAG, "Unsupported query key: %s", key);
155 return OC_STACK_INVALID_QUERY;
157 ++numKeyValuePairsParsed;
159 keyValuePair = strtok_r(NULL, OC_QUERY_SEPARATOR, &restOfQuery);
162 OIC_LOG_V(INFO, TAG, "Extracted params %s and %s.", *filterOne, *filterTwo);
166 static OCVirtualResources GetTypeOfVirtualURI(const char *uriInRequest)
168 if (strcmp(uriInRequest, OC_RSRVD_WELL_KNOWN_URI) == 0)
170 return OC_WELL_KNOWN_URI;
172 else if (strcmp(uriInRequest, OC_RSRVD_DEVICE_URI) == 0)
174 return OC_DEVICE_URI;
176 else if (strcmp(uriInRequest, OC_RSRVD_PLATFORM_URI) == 0)
178 return OC_PLATFORM_URI;
180 else if (strcmp(uriInRequest, OC_RSRVD_RESOURCE_TYPES_URI) == 0)
182 return OC_RESOURCE_TYPES_URI;
184 #ifdef ROUTING_GATEWAY
185 else if (0 == strcmp(uriInRequest, OC_RSRVD_GATEWAY_URI))
187 return OC_GATEWAY_URI;
191 else if (strcmp(uriInRequest, OC_RSRVD_PRESENCE_URI) == 0)
195 #endif //WITH_PRESENCE
196 return OC_UNKNOWN_URI;
199 static OCStackResult getQueryParamsForFiltering (OCVirtualResources uri, char *query,
200 char **filterOne, char **filterTwo)
202 if(!filterOne || !filterTwo)
204 return OC_STACK_INVALID_PARAM;
211 if (uri == OC_PRESENCE)
213 //Nothing needs to be done, except for pass a OC_PRESENCE query through as OC_STACK_OK.
214 OIC_LOG(INFO, TAG, "OC_PRESENCE Request for virtual resource.");
219 OCStackResult result = OC_STACK_OK;
223 result = ExtractFiltersFromQuery(query, filterOne, filterTwo);
229 OCStackResult BuildResponseRepresentation(const OCResource *resourcePtr,
230 OCRepPayload** payload)
232 OCRepPayload *tempPayload = OCRepPayloadCreate();
236 OCRepPayloadDestroy(tempPayload);
237 return OC_STACK_INVALID_PARAM;
242 return OC_STACK_NO_MEMORY;
245 OCRepPayloadSetUri(tempPayload, resourcePtr->uri);
247 OCResourceType *resType = resourcePtr->rsrcType;
250 OCRepPayloadAddResourceType(tempPayload, resType->resourcetypename);
251 resType = resType->next;
254 OCResourceInterface *resInterface = resourcePtr->rsrcInterface;
257 OCRepPayloadAddInterface(tempPayload, resInterface->name);
258 resInterface = resInterface->next;
261 OCAttribute *resAttrib = resourcePtr->rsrcAttributes;
264 OCRepPayloadSetPropString(tempPayload, resAttrib->attrName,
265 resAttrib->attrValue);
266 resAttrib = resAttrib->next;
271 *payload = tempPayload;
275 OCRepPayloadAppend(*payload, tempPayload);
281 OCStackResult BuildVirtualResourceResponse(const OCResource *resourcePtr,
282 OCDiscoveryPayload *payload, OCDevAddr *devAddr, bool rdResponse)
284 if (!resourcePtr || !payload)
286 return OC_STACK_INVALID_PARAM;
289 if (resourcePtr->resourceProperties & OC_SECURE)
291 if (GetSecurePortInfo(devAddr, &port) != OC_STACK_OK)
299 port = devAddr->port;
302 OCDiscoveryPayloadAddResource(payload, resourcePtr, port);
306 uint8_t IsCollectionResource (OCResource *resource)
313 for (int i = 0; i < MAX_CONTAINED_RESOURCES; i++)
315 if (resource->rsrcResources[i])
323 OCResource *FindResourceByUri(const char* resourceUri)
330 OCResource * pointer = headResource;
333 if (strcmp(resourceUri, pointer->uri) == 0)
337 pointer = pointer->next;
339 OIC_LOG_V(INFO, TAG, "Resource %s not found", resourceUri);
344 OCStackResult DetermineResourceHandling (const OCServerRequest *request,
345 ResourceHandling *handling,
346 OCResource **resource)
348 if(!request || !handling || !resource)
350 return OC_STACK_INVALID_PARAM;
353 OIC_LOG_V(INFO, TAG, "DetermineResourceHandling for %s", request->resourceUrl);
355 // Check if virtual resource
356 if (GetTypeOfVirtualURI(request->resourceUrl) != OC_UNKNOWN_URI)
358 OIC_LOG_V (INFO, TAG, "%s is virtual", request->resourceUrl);
359 *handling = OC_RESOURCE_VIRTUAL;
360 *resource = headResource;
363 if (strlen((const char*)(request->resourceUrl)) == 0)
365 // Resource URL not specified
366 *handling = OC_RESOURCE_NOT_SPECIFIED;
367 return OC_STACK_NO_RESOURCE;
371 OCResource *resourcePtr = FindResourceByUri((const char*)request->resourceUrl);
372 *resource = resourcePtr;
375 if(defaultDeviceHandler)
377 *handling = OC_RESOURCE_DEFAULT_DEVICE_ENTITYHANDLER;
381 // Resource does not exist
382 // and default device handler does not exist
383 *handling = OC_RESOURCE_NOT_SPECIFIED;
384 return OC_STACK_NO_RESOURCE;
387 if (IsCollectionResource (resourcePtr))
389 // Collection resource
390 if (resourcePtr->entityHandler != defaultResourceEHandler)
392 *handling = OC_RESOURCE_COLLECTION_WITH_ENTITYHANDLER;
397 *handling = OC_RESOURCE_COLLECTION_DEFAULT_ENTITYHANDLER;
403 // Resource not a collection
404 if (resourcePtr->entityHandler != defaultResourceEHandler)
406 *handling = OC_RESOURCE_NOT_COLLECTION_WITH_ENTITYHANDLER;
411 *handling = OC_RESOURCE_NOT_COLLECTION_DEFAULT_ENTITYHANDLER;
418 OCStackResult EntityHandlerCodeToOCStackCode(OCEntityHandlerResult ehResult)
420 OCStackResult result;
425 result = OC_STACK_OK;
428 result = OC_STACK_SLOW_RESOURCE;
431 result = OC_STACK_ERROR;
433 case OC_EH_FORBIDDEN:
434 result = OC_STACK_RESOURCE_ERROR;
436 case OC_EH_RESOURCE_CREATED:
437 result = OC_STACK_RESOURCE_CREATED;
439 case OC_EH_RESOURCE_DELETED:
440 result = OC_STACK_RESOURCE_DELETED;
442 case OC_EH_RESOURCE_NOT_FOUND:
443 result = OC_STACK_NO_RESOURCE;
446 result = OC_STACK_ERROR;
452 static bool resourceMatchesRTFilter(OCResource *resource, char *resourceTypeFilter)
459 // Null or empty is analogous to no filter.
460 if (resourceTypeFilter == NULL || *resourceTypeFilter == 0)
465 OCResourceType *resourceTypePtr = resource->rsrcType;
467 while (resourceTypePtr)
469 if (strcmp (resourceTypePtr->resourcetypename, resourceTypeFilter) == 0)
473 resourceTypePtr = resourceTypePtr->next;
476 OIC_LOG_V(INFO, TAG, "%s does not contain rt=%s.", resource->uri, resourceTypeFilter);
480 static bool resourceMatchesIFFilter(OCResource *resource, char *interfaceFilter)
487 // Null or empty is analogous to no filter.
488 if (interfaceFilter == NULL || *interfaceFilter == 0)
493 OCResourceInterface *interfacePtr = resource->rsrcInterface;
497 if (strcmp (interfacePtr->name, interfaceFilter) == 0)
501 interfacePtr = interfacePtr->next;
504 OIC_LOG_V(INFO, TAG, "%s does not contain if=%s.", resource->uri, interfaceFilter);
509 * If the filters are null, they will be assumed to NOT be present
510 * and the resource will not be matched against them.
511 * Function will return true if all non null AND non empty filters passed in find a match.
513 static bool includeThisResourceInResponse(OCResource *resource,
514 char *interfaceFilter,
515 char *resourceTypeFilter)
519 OIC_LOG(ERROR, TAG, "Invalid resource");
523 if ( resource->resourceProperties & OC_EXPLICIT_DISCOVERABLE)
526 * At least one valid filter should be available to
527 * include the resource in discovery response
529 if (!((interfaceFilter && *interfaceFilter ) ||
530 (resourceTypeFilter && *resourceTypeFilter)))
532 OIC_LOG_V(INFO, TAG, "%s no query string for EXPLICIT_DISCOVERABLE \
533 resource", resource->uri);
537 else if ( !(resource->resourceProperties & OC_ACTIVE) ||
538 !(resource->resourceProperties & OC_DISCOVERABLE))
540 OIC_LOG_V(INFO, TAG, "%s not ACTIVE or DISCOVERABLE", resource->uri);
544 return resourceMatchesIFFilter(resource, interfaceFilter) &&
545 resourceMatchesRTFilter(resource, resourceTypeFilter);
549 OCStackResult SendNonPersistantDiscoveryResponse(OCServerRequest *request, OCResource *resource,
550 OCPayload *discoveryPayload, OCEntityHandlerResult ehResult)
552 OCEntityHandlerResponse response = {0};
554 response.ehResult = ehResult;
555 response.payload = discoveryPayload;
556 response.persistentBufferFlag = 0;
557 response.requestHandle = (OCRequestHandle) request;
558 response.resourceHandle = (OCResourceHandle) resource;
560 return OCDoResponse(&response);
564 static OCStackResult checkResourceExistsAtRD(const char *interfaceType, const char *resourceType,
565 OCResource **payload, OCDevAddr *devAddr)
567 OCResourceCollectionPayload *repPayload;
570 return OC_STACK_ERROR;
572 if (OCRDCheckPublishedResource(interfaceType, resourceType, &repPayload, devAddr) == OC_STACK_OK)
576 return OC_STACK_ERROR;
578 OCResource *ptr = ((OCResource *) OICCalloc(1, sizeof(OCResource)));
581 return OC_STACK_NO_MEMORY;
584 ptr->uri = OICStrdup(repPayload->setLinks->href);
587 return OC_STACK_NO_MEMORY;
589 OCStringLL *rt = repPayload->setLinks->rt;
592 OCResourceType *temp = (OCResourceType *) OICCalloc(1, sizeof(OCResourceType));
596 return OC_STACK_NO_MEMORY;
599 temp->resourcetypename = OICStrdup(rt->value);
602 ptr->rsrcType = temp;
606 OCResourceType *type = ptr->rsrcType;
616 OCStringLL *itf = repPayload->setLinks->itf;
619 OCResourceInterface *temp = (OCResourceInterface *) OICCalloc(1, sizeof(OCResourceInterface));
624 return OC_STACK_NO_MEMORY;
627 temp->name = OICStrdup(itf->value);
628 if (!ptr->rsrcInterface)
630 ptr->rsrcInterface = temp;
634 OCResourceInterface *type = ptr->rsrcInterface;
644 ptr->resourceProperties = (OCResourceProperty) repPayload->tags->bitmap;
646 OCFreeCollectionResource(repPayload);
652 OIC_LOG_V(ERROR, TAG, "The resource type or interface type doe not exist \
653 on the resource directory");
655 return OC_STACK_ERROR;
659 static OCStackResult HandleVirtualResource (OCServerRequest *request, OCResource* resource)
661 if (!request || !resource)
663 return OC_STACK_INVALID_PARAM;
666 OCStackResult discoveryResult = OC_STACK_ERROR;
668 bool bMulticast = false; // Was the discovery request a multicast request?
669 OCPayload* payload = NULL;
671 OIC_LOG(INFO, TAG, "Entering HandleVirtualResource");
673 OCVirtualResources virtualUriInRequest = GetTypeOfVirtualURI (request->resourceUrl);
675 // Step 1: Generate the response to discovery request
676 if (virtualUriInRequest == OC_WELL_KNOWN_URI)
678 char *filterOne = NULL;
679 char *filterTwo = NULL;
681 discoveryResult = getQueryParamsForFiltering (virtualUriInRequest, request->query,
682 &filterOne, &filterTwo);
684 if (discoveryResult == OC_STACK_OK)
686 payload = (OCPayload*)OCDiscoveryPayloadCreate();
690 ((OCDiscoveryPayload*)payload)->sid = (uint8_t*)OICCalloc(1, UUID_SIZE);
691 memcpy(((OCDiscoveryPayload*)payload)->sid, OCGetServerInstanceID(), UUID_SIZE);
693 bool foundResourceAtRD = false;
694 for(;resource && discoveryResult == OC_STACK_OK; resource = resource->next)
697 if (strcmp(resource->uri, OC_RSRVD_RD_URI) == 0)
699 OCResource *resource = NULL;
701 discoveryResult = checkResourceExistsAtRD(filterOne, filterTwo,
702 &resource, &devAddr);
703 if (discoveryResult != OC_STACK_OK)
707 discoveryResult = BuildVirtualResourceResponse(resource,
708 (OCDiscoveryPayload*)payload,
712 ((OCDiscoveryPayload*)payload)->baseURI = OICStrdup(devAddr.addr);
714 foundResourceAtRD = true;
717 if(!foundResourceAtRD && includeThisResourceInResponse(resource, filterOne, filterTwo))
719 discoveryResult = BuildVirtualResourceResponse(resource,
720 (OCDiscoveryPayload*)payload,
721 &request->devAddr, false);
724 // Set discoveryResult appropriately if no 'valid' resources are available
725 if (((OCDiscoveryPayload*)payload)->resources == NULL && !foundResourceAtRD)
727 discoveryResult = OC_STACK_NO_RESOURCE;
732 discoveryResult = OC_STACK_NO_MEMORY;
737 OIC_LOG_V(ERROR, TAG, "Error (%d) parsing query.", discoveryResult);
740 else if (virtualUriInRequest == OC_DEVICE_URI)
742 const OicUuid_t* deviceId = OCGetServerInstanceID();
745 discoveryResult = OC_STACK_ERROR;
749 payload = (OCPayload*) OCDevicePayloadCreate((const uint8_t*) &deviceId->id, savedDeviceInfo.deviceName,
750 OC_SPEC_VERSION, OC_DATA_MODEL_VERSION);
753 discoveryResult = OC_STACK_NO_MEMORY;
757 discoveryResult = OC_STACK_OK;
761 else if (virtualUriInRequest == OC_PLATFORM_URI)
763 payload = (OCPayload*)OCPlatformPayloadCreate(&savedPlatformInfo);
766 discoveryResult = OC_STACK_NO_MEMORY;
770 discoveryResult = OC_STACK_OK;
773 #ifdef ROUTING_GATEWAY
774 else if (OC_GATEWAY_URI == virtualUriInRequest)
776 // Received request for a gateway
777 OIC_LOG(INFO, TAG, "Request is for Gateway Virtual Request");
778 discoveryResult = RMHandleGatewayRequest(request, resource);
784 * Step 2: Send the discovery response
786 * Iotivity should respond to discovery requests in below manner:
787 * 1)If query filter matching fails and discovery request is multicast,
788 * it should NOT send any response.
789 * 2)If query filter matching fails and discovery request is unicast,
790 * it should send an error(RESOURCE_NOT_FOUND - 404) response.
791 * 3)If Server does not have any 'DISCOVERABLE' resources and discovery
792 * request is multicast, it should NOT send any response.
793 * 4)If Server does not have any 'DISCOVERABLE' resources and discovery
794 * request is unicast, it should send an error(RESOURCE_NOT_FOUND - 404) response.
798 if ((virtualUriInRequest == OC_PRESENCE) &&
799 (resource->resourceProperties & OC_ACTIVE))
801 // Presence uses observer notification api to respond via SendPresenceNotification.
802 SendPresenceNotification(resource->rsrcType, OC_PRESENCE_TRIGGER_CHANGE);
806 #ifdef ROUTING_GATEWAY
807 // Gateway uses the RMHandleGatewayRequest to respond to the request.
808 if (OC_GATEWAY_URI != virtualUriInRequest)
811 if(discoveryResult == OC_STACK_OK)
813 SendNonPersistantDiscoveryResponse(request, resource, payload, OC_EH_OK);
815 else if(bMulticast == false && (request->devAddr.adapter != OC_ADAPTER_RFCOMM_BTEDR) &&
816 (request->devAddr.adapter != OC_ADAPTER_GATT_BTLE))
818 OIC_LOG_V(ERROR, TAG, "Sending a (%d) error to (%d) \
819 discovery request", discoveryResult, virtualUriInRequest);
820 SendNonPersistantDiscoveryResponse(request, resource, NULL,
821 (discoveryResult == OC_STACK_NO_RESOURCE) ? OC_EH_RESOURCE_NOT_FOUND : OC_EH_ERROR);
825 // Ignoring the discovery request as per RFC 7252, Section #8.2
826 OIC_LOG(INFO, TAG, "Silently ignoring the request since device does not have \
827 any useful data to send");
831 OCPayloadDestroy(payload);
837 HandleDefaultDeviceEntityHandler (OCServerRequest *request)
841 return OC_STACK_INVALID_PARAM;
844 OCStackResult result = OC_STACK_OK;
845 OCEntityHandlerResult ehResult = OC_EH_ERROR;
846 OCEntityHandlerRequest ehRequest = {0};
848 OIC_LOG(INFO, TAG, "Entering HandleResourceWithDefaultDeviceEntityHandler");
849 result = FormOCEntityHandlerRequest(&ehRequest,
850 (OCRequestHandle) request,
853 (OCResourceHandle) NULL, request->query,
854 PAYLOAD_TYPE_REPRESENTATION,
856 request->payloadSize,
857 request->numRcvdVendorSpecificHeaderOptions,
858 request->rcvdVendorSpecificHeaderOptions,
859 (OCObserveAction)request->observationOption,
861 VERIFY_SUCCESS(result, OC_STACK_OK);
863 // At this point we know for sure that defaultDeviceHandler exists
864 ehResult = defaultDeviceHandler(OC_REQUEST_FLAG, &ehRequest,
865 (char*) request->resourceUrl, defaultDeviceHandlerCallbackParameter);
866 if(ehResult == OC_EH_SLOW)
868 OIC_LOG(INFO, TAG, "This is a slow resource");
869 request->slowFlag = 1;
871 else if(ehResult == OC_EH_ERROR)
873 FindAndDeleteServerRequest(request);
875 result = EntityHandlerCodeToOCStackCode(ehResult);
877 OCPayloadDestroy(ehRequest.payload);
882 HandleResourceWithEntityHandler (OCServerRequest *request,
883 OCResource *resource,
884 uint8_t collectionResource)
886 if(!request || ! resource)
888 return OC_STACK_INVALID_PARAM;
891 OCStackResult result = OC_STACK_ERROR;
892 OCEntityHandlerResult ehResult = OC_EH_ERROR;
893 OCEntityHandlerFlag ehFlag = OC_REQUEST_FLAG;
894 ResourceObserver *resObs = NULL;
896 OCEntityHandlerRequest ehRequest = {0};
898 OIC_LOG(INFO, TAG, "Entering HandleResourceWithEntityHandler");
899 OCPayloadType type = PAYLOAD_TYPE_REPRESENTATION;
900 // check the security resource
901 if (request && request->resourceUrl && SRMIsSecurityResourceURI(request->resourceUrl))
903 type = PAYLOAD_TYPE_SECURITY;
907 if (request && strcmp(request->resourceUrl, OC_RSRVD_RD_URI) == 0)
909 type = PAYLOAD_TYPE_RD;
912 result = FormOCEntityHandlerRequest(&ehRequest,
913 (OCRequestHandle)request,
916 (OCResourceHandle)resource,
920 request->payloadSize,
921 request->numRcvdVendorSpecificHeaderOptions,
922 request->rcvdVendorSpecificHeaderOptions,
923 (OCObserveAction)request->observationOption,
925 VERIFY_SUCCESS(result, OC_STACK_OK);
927 if(ehRequest.obsInfo.action == OC_OBSERVE_NO_OPTION)
929 OIC_LOG(INFO, TAG, "No observation requested");
930 ehFlag = OC_REQUEST_FLAG;
932 else if(ehRequest.obsInfo.action == OC_OBSERVE_REGISTER && !collectionResource)
934 OIC_LOG(INFO, TAG, "Observation registration requested");
936 ResourceObserver *obs = GetObserverUsingToken (request->requestToken,
937 request->tokenLength);
941 OIC_LOG (INFO, TAG, "Observer with this token already present");
942 OIC_LOG (INFO, TAG, "Possibly re-transmitted CON OBS request");
943 OIC_LOG (INFO, TAG, "Not adding observer. Not responding to client");
944 OIC_LOG (INFO, TAG, "The first request for this token is already ACKED.");
946 // server requests are usually free'd when the response is sent out
947 // for the request in ocserverrequest.c : HandleSingleResponse()
948 // Since we are making an early return and not responding, the server request
949 // needs to be deleted.
950 FindAndDeleteServerRequest (request);
954 result = GenerateObserverId(&ehRequest.obsInfo.obsId);
955 VERIFY_SUCCESS(result, OC_STACK_OK);
957 result = AddObserver ((const char*)(request->resourceUrl),
958 (const char *)(request->query),
959 ehRequest.obsInfo.obsId, request->requestToken, request->tokenLength,
960 resource, request->qos, request->acceptFormat,
963 if(result == OC_STACK_OK)
965 OIC_LOG(INFO, TAG, "Added observer successfully");
966 request->observeResult = OC_STACK_OK;
967 ehFlag = (OCEntityHandlerFlag)(OC_REQUEST_FLAG | OC_OBSERVE_FLAG);
971 result = OC_STACK_OK;
973 // The error in observeResult for the request will be used when responding to this
974 // request by omitting the observation option/sequence number.
975 request->observeResult = OC_STACK_ERROR;
976 OIC_LOG(ERROR, TAG, "Observer Addition failed");
977 ehFlag = OC_REQUEST_FLAG;
981 else if(ehRequest.obsInfo.action == OC_OBSERVE_DEREGISTER &&
984 OIC_LOG(INFO, TAG, "Deregistering observation requested");
986 resObs = GetObserverUsingToken (request->requestToken, request->tokenLength);
990 // Stack does not contain this observation request
991 // Either token is incorrect or observation list is corrupted
992 result = OC_STACK_ERROR;
995 ehRequest.obsInfo.obsId = resObs->observeId;
996 ehFlag = (OCEntityHandlerFlag)(ehFlag | OC_OBSERVE_FLAG);
998 result = DeleteObserverUsingToken (request->requestToken, request->tokenLength);
1000 if(result == OC_STACK_OK)
1002 OIC_LOG(INFO, TAG, "Removed observer successfully");
1003 request->observeResult = OC_STACK_OK;
1007 result = OC_STACK_OK;
1008 request->observeResult = OC_STACK_ERROR;
1009 OIC_LOG(ERROR, TAG, "Observer Removal failed");
1014 result = OC_STACK_ERROR;
1018 ehResult = resource->entityHandler(ehFlag, &ehRequest, resource->entityHandlerCallbackParam);
1019 if(ehResult == OC_EH_SLOW)
1021 OIC_LOG(INFO, TAG, "This is a slow resource");
1022 request->slowFlag = 1;
1024 else if(ehResult == OC_EH_ERROR)
1026 FindAndDeleteServerRequest(request);
1028 result = EntityHandlerCodeToOCStackCode(ehResult);
1030 OCPayloadDestroy(ehRequest.payload);
1034 static OCStackResult
1035 HandleCollectionResourceDefaultEntityHandler (OCServerRequest *request,
1036 OCResource *resource)
1038 if(!request || !resource)
1040 return OC_STACK_INVALID_PARAM;
1043 OCStackResult result = OC_STACK_ERROR;
1044 OCEntityHandlerRequest ehRequest = {0};
1046 result = FormOCEntityHandlerRequest(&ehRequest,
1047 (OCRequestHandle)request,
1050 (OCResourceHandle)resource,
1052 PAYLOAD_TYPE_REPRESENTATION,
1054 request->payloadSize,
1055 request->numRcvdVendorSpecificHeaderOptions,
1056 request->rcvdVendorSpecificHeaderOptions,
1057 (OCObserveAction)request->observationOption,
1058 (OCObservationId)0);
1059 if(result == OC_STACK_OK)
1061 result = DefaultCollectionEntityHandler (OC_REQUEST_FLAG, &ehRequest);
1064 OCPayloadDestroy(ehRequest.payload);
1069 ProcessRequest(ResourceHandling resHandling, OCResource *resource, OCServerRequest *request)
1071 OCStackResult ret = OC_STACK_OK;
1073 switch (resHandling)
1075 case OC_RESOURCE_VIRTUAL:
1077 ret = HandleVirtualResource (request, resource);
1080 case OC_RESOURCE_DEFAULT_DEVICE_ENTITYHANDLER:
1082 ret = HandleDefaultDeviceEntityHandler(request);
1085 case OC_RESOURCE_NOT_COLLECTION_DEFAULT_ENTITYHANDLER:
1087 OIC_LOG(INFO, TAG, "OC_RESOURCE_NOT_COLLECTION_DEFAULT_ENTITYHANDLER");
1088 return OC_STACK_ERROR;
1090 case OC_RESOURCE_NOT_COLLECTION_WITH_ENTITYHANDLER:
1092 ret = HandleResourceWithEntityHandler (request, resource, 0);
1095 case OC_RESOURCE_COLLECTION_WITH_ENTITYHANDLER:
1097 ret = HandleResourceWithEntityHandler (request, resource, 1);
1100 case OC_RESOURCE_COLLECTION_DEFAULT_ENTITYHANDLER:
1102 ret = HandleCollectionResourceDefaultEntityHandler (request, resource);
1105 case OC_RESOURCE_NOT_SPECIFIED:
1107 ret = OC_STACK_NO_RESOURCE;
1112 OIC_LOG(INFO, TAG, "Invalid Resource Determination");
1113 return OC_STACK_ERROR;
1119 void DeletePlatformInfo()
1121 OIC_LOG(INFO, TAG, "Deleting platform info.");
1123 OICFree(savedPlatformInfo.platformID);
1124 savedPlatformInfo.platformID = NULL;
1126 OICFree(savedPlatformInfo.manufacturerName);
1127 savedPlatformInfo.manufacturerName = NULL;
1129 OICFree(savedPlatformInfo.manufacturerUrl);
1130 savedPlatformInfo.manufacturerUrl = NULL;
1132 OICFree(savedPlatformInfo.modelNumber);
1133 savedPlatformInfo.modelNumber = NULL;
1135 OICFree(savedPlatformInfo.dateOfManufacture);
1136 savedPlatformInfo.dateOfManufacture = NULL;
1138 OICFree(savedPlatformInfo.platformVersion);
1139 savedPlatformInfo.platformVersion = NULL;
1141 OICFree(savedPlatformInfo.operatingSystemVersion);
1142 savedPlatformInfo.operatingSystemVersion = NULL;
1144 OICFree(savedPlatformInfo.hardwareVersion);
1145 savedPlatformInfo.hardwareVersion = NULL;
1147 OICFree(savedPlatformInfo.firmwareVersion);
1148 savedPlatformInfo.firmwareVersion = NULL;
1150 OICFree(savedPlatformInfo.supportUrl);
1151 savedPlatformInfo.supportUrl = NULL;
1153 OICFree(savedPlatformInfo.systemTime);
1154 savedPlatformInfo.systemTime = NULL;
1157 static OCStackResult DeepCopyPlatFormInfo(OCPlatformInfo info)
1159 savedPlatformInfo.platformID = OICStrdup(info.platformID);
1160 savedPlatformInfo.manufacturerName = OICStrdup(info.manufacturerName);
1161 savedPlatformInfo.manufacturerUrl = OICStrdup(info.manufacturerUrl);
1162 savedPlatformInfo.modelNumber = OICStrdup(info.modelNumber);
1163 savedPlatformInfo.dateOfManufacture = OICStrdup(info.dateOfManufacture);
1164 savedPlatformInfo.platformVersion = OICStrdup(info.platformVersion);
1165 savedPlatformInfo.operatingSystemVersion = OICStrdup(info.operatingSystemVersion);
1166 savedPlatformInfo.hardwareVersion = OICStrdup(info.hardwareVersion);
1167 savedPlatformInfo.firmwareVersion = OICStrdup(info.firmwareVersion);
1168 savedPlatformInfo.supportUrl = OICStrdup(info.supportUrl);
1169 savedPlatformInfo.systemTime = OICStrdup(info.systemTime);
1171 if ((!savedPlatformInfo.platformID && info.platformID)||
1172 (!savedPlatformInfo.manufacturerName && info.manufacturerName)||
1173 (!savedPlatformInfo.manufacturerUrl && info.manufacturerUrl)||
1174 (!savedPlatformInfo.modelNumber && info.modelNumber)||
1175 (!savedPlatformInfo.dateOfManufacture && info.dateOfManufacture)||
1176 (!savedPlatformInfo.platformVersion && info.platformVersion)||
1177 (!savedPlatformInfo.operatingSystemVersion && info.operatingSystemVersion)||
1178 (!savedPlatformInfo.hardwareVersion && info.hardwareVersion)||
1179 (!savedPlatformInfo.firmwareVersion && info.firmwareVersion)||
1180 (!savedPlatformInfo.supportUrl && info.supportUrl)||
1181 (!savedPlatformInfo.systemTime && info.systemTime))
1183 DeletePlatformInfo();
1184 return OC_STACK_INVALID_PARAM;
1191 OCStackResult SavePlatformInfo(OCPlatformInfo info)
1193 DeletePlatformInfo();
1195 OCStackResult res = DeepCopyPlatFormInfo(info);
1197 if (res != OC_STACK_OK)
1199 OIC_LOG_V(ERROR, TAG, "Failed to save platform info. errno(%d)", res);
1203 OIC_LOG(INFO, TAG, "Platform info saved.");
1209 void DeleteDeviceInfo()
1211 OIC_LOG(INFO, TAG, "Deleting device info.");
1213 OICFree(savedDeviceInfo.deviceName);
1214 savedDeviceInfo.deviceName = NULL;
1217 static OCStackResult DeepCopyDeviceInfo(OCDeviceInfo info)
1219 savedDeviceInfo.deviceName = OICStrdup(info.deviceName);
1221 if(!savedDeviceInfo.deviceName && info.deviceName)
1224 return OC_STACK_NO_MEMORY;
1230 OCStackResult SaveDeviceInfo(OCDeviceInfo info)
1232 OCStackResult res = OC_STACK_OK;
1236 res = DeepCopyDeviceInfo(info);
1238 VERIFY_SUCCESS(res, OC_STACK_OK);
1240 if(OCGetServerInstanceID() == NULL)
1242 OIC_LOG(INFO, TAG, "Device ID generation failed");
1243 res = OC_STACK_ERROR;
1247 OIC_LOG(INFO, TAG, "Device initialized successfully.");