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
32 #include "iotivity_config.h"
40 #include "ocresource.h"
41 #include "ocresourcehandler.h"
42 #include "ocobserve.h"
43 #include "occollection.h"
44 #include "oic_malloc.h"
45 #include "oic_string.h"
48 #include "ocpayload.h"
49 #include "secureresourcemanager.h"
51 #include "cainterface.h"
52 #include "ocpayload.h"
53 #include "platform_features.h"
54 #include "payload_logging.h"
55 #ifdef ROUTING_GATEWAY
56 #include "routingmanager.h"
60 #include "rd_database.h"
64 #define TAG "OIC_RI_RESOURCE"
66 #define VERIFY_SUCCESS(op) { if (op != (OC_STACK_OK)) \
67 {OIC_LOG_V(FATAL, TAG, "%s failed!!", #op); goto exit;} }
69 extern OCResource *headResource;
72 * Prepares a Payload for response.
74 static OCStackResult BuildVirtualResourceResponse(const OCResource *resourcePtr,
75 OCDiscoveryPayload* payload,
78 //-----------------------------------------------------------------------------
79 // Default resource entity handler function
80 //-----------------------------------------------------------------------------
81 OCEntityHandlerResult defaultResourceEHandler(OCEntityHandlerFlag flag,
82 OCEntityHandlerRequest * request, void* callbackParam)
84 //TODO ("Implement me!!!!");
85 // TODO: remove silence unused param warnings
89 return OC_EH_OK; // Making sure that the Default EH and the Vendor EH have matching signatures
92 /* This method will retrieve the port at which the secure resource is hosted */
93 static OCStackResult GetSecurePortInfo(OCDevAddr *endpoint, uint16_t *port)
97 if (endpoint->adapter == OC_ADAPTER_IP)
99 if (endpoint->flags & OC_IP_USE_V6)
101 p = caglobals.ip.u6s.port;
103 else if (endpoint->flags & OC_IP_USE_V4)
105 p = caglobals.ip.u4s.port;
114 /* This method will retrieve the tcp port */
115 static OCStackResult GetTCPPortInfo(OCDevAddr *endpoint, uint16_t *port)
119 if (endpoint->adapter == OC_ADAPTER_IP)
121 if (endpoint->flags & OC_IP_USE_V4)
123 p = caglobals.tcp.ipv4.port;
125 else if (endpoint->flags & OC_IP_USE_V6)
127 p = caglobals.tcp.ipv6.port;
137 * Function will extract 0, 1 or 2 filters from query.
138 * More than 2 filters or unsupported filters will result in error.
139 * If both filters are of the same supported type, the 2nd one will be picked.
140 * Resource and device filters in the SAME query are NOT validated
141 * and resources will likely not clear filters.
143 static OCStackResult ExtractFiltersFromQuery(char *query, char **filterOne, char **filterTwo)
147 char *queryDup = NULL;
148 char *restOfQuery = NULL;
149 char *keyValuePair = NULL;
150 int numKeyValuePairsParsed = 0;
155 queryDup = OICStrdup(query);
156 if (NULL == queryDup)
158 OIC_LOG_V(ERROR, TAG, "Creating duplicate string failed!");
159 return OC_STACK_NO_MEMORY;
162 OIC_LOG_V(INFO, TAG, "Extracting params from %s", queryDup);
164 OCStackResult eCode = OC_STACK_INVALID_QUERY;
165 if (strnlen(queryDup, MAX_QUERY_LENGTH) >= MAX_QUERY_LENGTH)
167 OIC_LOG(ERROR, TAG, "Query exceeds maximum length.");
171 keyValuePair = strtok_r (queryDup, OC_QUERY_SEPARATOR, &restOfQuery);
175 if (numKeyValuePairsParsed >= 2)
177 OIC_LOG(ERROR, TAG, "More than 2 queries params in URI.");
181 key = strtok_r(keyValuePair, OC_KEY_VALUE_DELIMITER, &value);
187 else if (strncasecmp(key, OC_RSRVD_INTERFACE, sizeof(OC_RSRVD_INTERFACE) - 1) == 0)
189 *filterOne = value; // if
191 else if (strncasecmp(key, OC_RSRVD_RESOURCE_TYPE, sizeof(OC_RSRVD_INTERFACE) - 1) == 0)
193 *filterTwo = value; // rt
197 OIC_LOG_V(ERROR, TAG, "Unsupported query key: %s", key);
200 ++numKeyValuePairsParsed;
202 keyValuePair = strtok_r(NULL, OC_QUERY_SEPARATOR, &restOfQuery);
207 *filterOne = OICStrdup(*filterOne);
208 if (NULL == *filterOne)
210 OIC_LOG_V(ERROR, TAG, "Creating duplicate string failed!");
211 eCode = OC_STACK_NO_MEMORY;
218 *filterTwo = OICStrdup(*filterTwo);
219 if (NULL == *filterTwo)
221 OIC_LOG_V(ERROR, TAG, "Creating duplicate string failed!");
223 eCode = OC_STACK_NO_MEMORY;
229 OIC_LOG_V(INFO, TAG, "Extracted params if: %s and rt: %s.", *filterOne, *filterTwo);
239 static OCVirtualResources GetTypeOfVirtualURI(const char *uriInRequest)
241 if (strcmp(uriInRequest, OC_RSRVD_WELL_KNOWN_URI) == 0)
243 return OC_WELL_KNOWN_URI;
245 else if (strcmp(uriInRequest, OC_RSRVD_DEVICE_URI) == 0)
247 return OC_DEVICE_URI;
249 else if (strcmp(uriInRequest, OC_RSRVD_PLATFORM_URI) == 0)
251 return OC_PLATFORM_URI;
253 else if (strcmp(uriInRequest, OC_RSRVD_RESOURCE_TYPES_URI) == 0)
255 return OC_RESOURCE_TYPES_URI;
257 #ifdef ROUTING_GATEWAY
258 else if (0 == strcmp(uriInRequest, OC_RSRVD_GATEWAY_URI))
260 return OC_GATEWAY_URI;
264 else if (strcmp(uriInRequest, OC_RSRVD_PRESENCE_URI) == 0)
268 #endif //WITH_PRESENCE
271 else if (0 == strcmp(uriInRequest, OC_RSRVD_WELL_KNOWN_MQ_URI))
273 return OC_MQ_BROKER_URI;
278 else if (strcmp(uriInRequest, OC_RSRVD_KEEPALIVE_URI) == 0)
280 return OC_KEEPALIVE_RESOURCE_URI;
284 return OC_UNKNOWN_URI;
287 static OCStackResult getQueryParamsForFiltering (OCVirtualResources uri, char *query,
288 char **filterOne, char **filterTwo)
290 if(!filterOne || !filterTwo)
292 return OC_STACK_INVALID_PARAM;
299 if (uri == OC_PRESENCE)
301 //Nothing needs to be done, except for pass a OC_PRESENCE query through as OC_STACK_OK.
302 OIC_LOG(INFO, TAG, "OC_PRESENCE Request for virtual resource.");
307 OCStackResult result = OC_STACK_OK;
311 result = ExtractFiltersFromQuery(query, filterOne, filterTwo);
317 bool appendOCStringLL(OCRepPayload *device, OCStringLL *dmv)
320 for (OCStringLL *ll = dmv; ll; ll = ll->next, size++);
321 size_t dim[MAX_REP_ARRAY_DEPTH] = {size, 0, 0};
322 char **dt = (char **)OICMalloc(sizeof(char *) * size);
324 VERIFY_PARAM_NON_NULL(TAG, dt, "Data Model Version allocation failed.");
325 for (OCStringLL *ll = dmv; ll; ll = ll->next, i++)
327 dt[i] = OICStrdup(ll->value);
328 VERIFY_PARAM_NON_NULL(TAG, dt[i], "Data Model Version adding failed.");
330 if (!OCRepPayloadSetStringArrayAsOwner(device, OC_RSRVD_DATA_MODEL_VERSION, dt, dim))
337 for (int i = 0; i < size; i++)
345 OCStackResult BuildResponseRepresentation(const OCResource *resourcePtr,
346 OCRepPayload** payload, OCDevAddr *devAddr, bool addDeviceId)
348 OCRepPayload *tempPayload = OCRepPayloadCreate();
352 OCRepPayloadDestroy(tempPayload);
353 return OC_STACK_INVALID_PARAM;
358 return OC_STACK_NO_MEMORY;
361 OCRepPayloadSetUri(tempPayload, resourcePtr->uri);
364 const char *deviceId = OCGetServerInstanceIDString();
367 OIC_LOG(ERROR, TAG, "Failed retrieving device id.");
368 return OC_STACK_ERROR;
370 OCRepPayloadSetPropString(tempPayload, OC_RSRVD_DEVICE_ID, deviceId);
372 OCResourceType *resType = resourcePtr->rsrcType;
375 OCRepPayloadAddResourceType(tempPayload, resType->resourcetypename);
376 resType = resType->next;
379 OCResourceInterface *resInterface = resourcePtr->rsrcInterface;
382 OCRepPayloadAddInterface(tempPayload, resInterface->name);
383 resInterface = resInterface->next;
386 OCAttribute *resAttrib = resourcePtr->rsrcAttributes;
389 if (resAttrib->attrName && resAttrib->attrValue)
391 if (0 == strcmp(OC_RSRVD_DATA_MODEL_VERSION, resAttrib->attrName))
393 char *dmv = OCCreateString((OCStringLL *)resAttrib->attrValue);
396 OCRepPayloadSetPropString(tempPayload, resAttrib->attrName, dmv);
402 OCRepPayloadSetPropString(tempPayload, resAttrib->attrName, (char *)resAttrib->attrValue);
405 resAttrib = resAttrib->next;
410 OCResourceProperty p = OCGetResourceProperties((OCResourceHandle *)resourcePtr);
411 OCRepPayload *policy = OCRepPayloadCreate();
414 OCPayloadDestroy((OCPayload *)tempPayload);
415 return OC_STACK_NO_MEMORY;
417 OCRepPayloadSetPropInt(policy, OC_RSRVD_BITMAP, ((p & OC_DISCOVERABLE) | (p & OC_OBSERVABLE)));
420 OCRepPayloadSetPropBool(policy, OC_RSRVD_SECURE, p & OC_SECURE);
421 uint16_t securePort = 0;
422 if (GetSecurePortInfo(devAddr, &securePort) != OC_STACK_OK)
426 OCRepPayloadSetPropInt(policy, OC_RSRVD_HOSTING_PORT, securePort);
428 OCRepPayloadSetPropObjectAsOwner(tempPayload, OC_RSRVD_POLICY, policy);
433 *payload = tempPayload;
437 OCRepPayloadAppend(*payload, tempPayload);
443 OCStackResult BuildVirtualResourceResponse(const OCResource *resourcePtr,
444 OCDiscoveryPayload *payload, OCDevAddr *devAddr)
446 if (!resourcePtr || !payload)
448 return OC_STACK_INVALID_PARAM;
450 uint16_t securePort = 0;
451 if (resourcePtr->resourceProperties & OC_SECURE)
453 if (GetSecurePortInfo(devAddr, &securePort) != OC_STACK_OK)
460 uint16_t tcpPort = 0;
461 if (GetTCPPortInfo(devAddr, &tcpPort) != OC_STACK_OK)
465 OCDiscoveryPayloadAddResource(payload, resourcePtr, securePort, tcpPort);
467 OCDiscoveryPayloadAddResource(payload, resourcePtr, securePort);
473 uint8_t IsCollectionResource (OCResource *resource)
480 if(resource->rsrcChildResourcesHead != NULL)
488 OCResource *FindResourceByUri(const char* resourceUri)
495 OCResource * pointer = headResource;
498 if (strcmp(resourceUri, pointer->uri) == 0)
502 pointer = pointer->next;
504 OIC_LOG_V(INFO, TAG, "Resource %s not found", resourceUri);
509 OCStackResult DetermineResourceHandling (const OCServerRequest *request,
510 ResourceHandling *handling,
511 OCResource **resource)
513 if(!request || !handling || !resource)
515 return OC_STACK_INVALID_PARAM;
518 OIC_LOG_V(INFO, TAG, "DetermineResourceHandling for %s", request->resourceUrl);
520 // Check if virtual resource
521 if (GetTypeOfVirtualURI(request->resourceUrl) != OC_UNKNOWN_URI)
523 OIC_LOG_V (INFO, TAG, "%s is virtual", request->resourceUrl);
524 *handling = OC_RESOURCE_VIRTUAL;
525 *resource = headResource;
528 if (strlen((const char*)(request->resourceUrl)) == 0)
530 // Resource URL not specified
531 *handling = OC_RESOURCE_NOT_SPECIFIED;
532 return OC_STACK_NO_RESOURCE;
536 OCResource *resourcePtr = FindResourceByUri((const char*)request->resourceUrl);
537 *resource = resourcePtr;
540 if(defaultDeviceHandler)
542 *handling = OC_RESOURCE_DEFAULT_DEVICE_ENTITYHANDLER;
546 // Resource does not exist
547 // and default device handler does not exist
548 *handling = OC_RESOURCE_NOT_SPECIFIED;
549 return OC_STACK_NO_RESOURCE;
552 if (IsCollectionResource (resourcePtr))
554 // Collection resource
555 if (resourcePtr->entityHandler != defaultResourceEHandler)
557 *handling = OC_RESOURCE_COLLECTION_WITH_ENTITYHANDLER;
562 *handling = OC_RESOURCE_COLLECTION_DEFAULT_ENTITYHANDLER;
568 // Resource not a collection
569 if (resourcePtr->entityHandler != defaultResourceEHandler)
571 *handling = OC_RESOURCE_NOT_COLLECTION_WITH_ENTITYHANDLER;
576 *handling = OC_RESOURCE_NOT_COLLECTION_DEFAULT_ENTITYHANDLER;
583 OCStackResult EntityHandlerCodeToOCStackCode(OCEntityHandlerResult ehResult)
585 OCStackResult result;
592 result = OC_STACK_OK;
595 result = OC_STACK_SLOW_RESOURCE;
598 result = OC_STACK_ERROR;
600 case OC_EH_FORBIDDEN:
601 result = OC_STACK_FORBIDDEN_REQ;
603 case OC_EH_INTERNAL_SERVER_ERROR:
604 result = OC_STACK_INTERNAL_SERVER_ERROR;
606 case OC_EH_RESOURCE_CREATED:
607 result = OC_STACK_RESOURCE_CREATED;
609 case OC_EH_RESOURCE_DELETED:
610 result = OC_STACK_RESOURCE_DELETED;
613 result = OC_STACK_RESOURCE_CHANGED;
615 case OC_EH_RESOURCE_NOT_FOUND:
616 result = OC_STACK_NO_RESOURCE;
619 result = OC_STACK_ERROR;
625 static bool resourceMatchesRTFilter(OCResource *resource, char *resourceTypeFilter)
632 // Null or empty is analogous to no filter.
633 if (resourceTypeFilter == NULL || *resourceTypeFilter == 0)
638 OCResourceType *resourceTypePtr = resource->rsrcType;
640 while (resourceTypePtr)
642 if (strcmp (resourceTypePtr->resourcetypename, resourceTypeFilter) == 0)
646 resourceTypePtr = resourceTypePtr->next;
649 OIC_LOG_V(INFO, TAG, "%s does not contain rt=%s.", resource->uri, resourceTypeFilter);
653 static bool resourceMatchesIFFilter(OCResource *resource, char *interfaceFilter)
660 // Null or empty is analogous to no filter.
661 if (interfaceFilter == NULL || *interfaceFilter == 0)
666 OCResourceInterface *interfacePtr = resource->rsrcInterface;
670 if (strcmp (interfacePtr->name, interfaceFilter) == 0 ||
671 strcmp (OC_RSRVD_INTERFACE_LL, interfaceFilter) == 0 ||
672 strcmp (OC_RSRVD_INTERFACE_DEFAULT, interfaceFilter) == 0)
676 interfacePtr = interfacePtr->next;
679 OIC_LOG_V(INFO, TAG, "%s does not contain if=%s.", resource->uri, interfaceFilter);
684 * If the filters are null, they will be assumed to NOT be present
685 * and the resource will not be matched against them.
686 * Function will return true if all non null AND non empty filters passed in find a match.
688 static bool includeThisResourceInResponse(OCResource *resource,
689 char *interfaceFilter,
690 char *resourceTypeFilter)
694 OIC_LOG(ERROR, TAG, "Invalid resource");
698 if (resource->resourceProperties & OC_EXPLICIT_DISCOVERABLE)
701 * At least one valid filter should be available to
702 * include the resource in discovery response
704 if (!(resourceTypeFilter && *resourceTypeFilter))
706 OIC_LOG_V(INFO, TAG, "%s no query string for EXPLICIT_DISCOVERABLE \
707 resource", resource->uri);
711 else if ( !(resource->resourceProperties & OC_ACTIVE) ||
712 !(resource->resourceProperties & OC_DISCOVERABLE))
714 OIC_LOG_V(INFO, TAG, "%s not ACTIVE or DISCOVERABLE", resource->uri);
718 return resourceMatchesIFFilter(resource, interfaceFilter) &&
719 resourceMatchesRTFilter(resource, resourceTypeFilter);
723 OCStackResult SendNonPersistantDiscoveryResponse(OCServerRequest *request, OCResource *resource,
724 OCPayload *discoveryPayload, OCEntityHandlerResult ehResult)
726 OCEntityHandlerResponse response = {0};
728 response.ehResult = ehResult;
729 response.payload = discoveryPayload;
730 response.persistentBufferFlag = 0;
731 response.requestHandle = (OCRequestHandle) request->requestId;
732 response.resourceHandle = (OCResourceHandle) resource;
734 return OCDoResponse(&response);
738 * Find resource at the resource directory server. This resource is not local resource but a
741 * @param resource The resource to check the matching resource URI.
742 * @param interfaceQuery The interface query parameter.
743 * @param resourceTypeQuery The resourceType query parameter.
744 * @param discPayload The payload that will be added with the resource information if found at RD.
746 * @return ::OC_STACK_OK if the resource is found else ::OC_STACK_NO_RESOURCE.
747 * In case if build is not with flag RD_SERVER, it returns ::OC_STACK_NO_RESOURCE.
749 static OCStackResult findResourceAtRD(const OCResource* resource, const char *interfaceQuery,
750 const char *resourceTypeQuery, OCDiscoveryPayload *discPayload)
752 if (strcmp(resource->uri, OC_RSRVD_RD_URI) == 0)
754 if (OC_STACK_OK == OCRDDatabaseCheckResources(interfaceQuery, resourceTypeQuery, discPayload))
760 return OC_STACK_NO_RESOURCE;
765 * Creates a discovery payload and add device id information. This information is included in all
768 * @param payload payload that will have memory alllocated and device id information added.
770 * @return ::OC_STACK_OK if successful in allocating memory and adding ID information.
771 * ::OC_STACK_NO_MEMORY if failed allocating the memory.
773 static OCStackResult discoveryPayloadCreateAndAddDeviceId(OCPayload **payload)
777 OIC_LOG_V(DEBUG, TAG, "Payload is already allocated");
781 *payload = (OCPayload *) OCDiscoveryPayloadCreate();
782 VERIFY_PARAM_NON_NULL(TAG, *payload, "Failed adding device id to discovery payload.");
785 OCDiscoveryPayload *discPayload = (OCDiscoveryPayload *)*payload;
786 discPayload->sid = (char *)OICCalloc(1, UUID_STRING_SIZE);
787 VERIFY_PARAM_NON_NULL(TAG, discPayload->sid, "Failed adding device id to discovery payload.");
789 const char* uid = OCGetServerInstanceIDString();
792 memcpy(discPayload->sid, uid, UUID_STRING_SIZE);
798 OCPayloadDestroy(*payload);
799 return OC_STACK_NO_MEMORY;
803 * Add the common properties to the payload, they are only included in case of oic.if.baseline response.
805 * @param discPayload payload that will have the baseline information included.
807 * @return ::OC_STACK_OK if successful in adding all the information. ::OC_STACK_NO_MEMORY if failed
808 * allocating the memory for the baseline information.
810 static OCStackResult addDiscoveryBaselineCommonProperties(OCDiscoveryPayload *discPayload)
812 discPayload->uri = OICStrdup(OC_RSRVD_WELL_KNOWN_URI);
813 VERIFY_PARAM_NON_NULL(TAG, discPayload->uri, "Failed adding href to discovery payload.");
815 OCGetPropertyValue(PAYLOAD_TYPE_DEVICE, "deviceName", (void **)&discPayload->name);
817 discPayload->type = (OCStringLL*)OICCalloc(1, sizeof(OCStringLL));
818 VERIFY_PARAM_NON_NULL(TAG, discPayload->type, "Failed adding rt to discovery payload.");
819 discPayload->type->value = OICStrdup(OC_RSRVD_RESOURCE_TYPE_RES);
820 VERIFY_PARAM_NON_NULL(TAG, discPayload->type, "Failed adding rt value to discovery payload.");
822 OCResourcePayloadAddStringLL(&discPayload->iface, OC_RSRVD_INTERFACE_LL);
823 OCResourcePayloadAddStringLL(&discPayload->iface, OC_RSRVD_INTERFACE_DEFAULT);
824 VERIFY_PARAM_NON_NULL(TAG, discPayload->iface, "Failed adding if to discovery payload.");
829 return OC_STACK_NO_MEMORY;
832 static OCStackResult HandleVirtualResource (OCServerRequest *request, OCResource* resource)
834 if (!request || !resource)
836 return OC_STACK_INVALID_PARAM;
839 OCStackResult discoveryResult = OC_STACK_ERROR;
840 if (request->method == OC_REST_PUT || request->method == OC_REST_POST ||
841 request->method == OC_REST_DELETE)
843 OIC_LOG_V(ERROR, TAG, "Resource : %s not permitted for method: %d",
844 request->resourceUrl, request->method);
845 return OC_STACK_UNAUTHORIZED_REQ;
848 OCPayload* payload = NULL;
849 char *interfaceQuery = NULL;
850 char *resourceTypeQuery = NULL;
851 char *dataModelVersions = NULL;
853 OIC_LOG(INFO, TAG, "Entering HandleVirtualResource");
855 OCVirtualResources virtualUriInRequest = GetTypeOfVirtualURI (request->resourceUrl);
857 // Step 1: Generate the response to discovery request
858 if (virtualUriInRequest == OC_WELL_KNOWN_URI
860 || virtualUriInRequest == OC_MQ_BROKER_URI
864 discoveryResult = getQueryParamsForFiltering (virtualUriInRequest, request->query,
865 &interfaceQuery, &resourceTypeQuery);
866 VERIFY_SUCCESS(discoveryResult);
867 if (!interfaceQuery && !resourceTypeQuery)
869 // If no query is sent, default interface is used i.e. oic.if.ll.
870 interfaceQuery = OICStrdup(OC_RSRVD_INTERFACE_LL);
873 bool baselineQuery = false;
874 if (interfaceQuery && 0 == strcmp(interfaceQuery, OC_RSRVD_INTERFACE_DEFAULT))
876 baselineQuery = true;
879 discoveryResult = discoveryPayloadCreateAndAddDeviceId(&payload);
880 VERIFY_PARAM_NON_NULL(TAG, payload, "Failed creating Discovery Payload.");
881 VERIFY_SUCCESS(discoveryResult);
883 OCDiscoveryPayload *discPayload = (OCDiscoveryPayload *)payload;
886 discoveryResult = addDiscoveryBaselineCommonProperties(discPayload);
887 VERIFY_SUCCESS(discoveryResult);
889 OCResourceProperty prop = OC_DISCOVERABLE;
891 prop = (OC_MQ_BROKER_URI == virtualUriInRequest) ? OC_MQ_BROKER : prop;
893 for (; resource && discoveryResult == OC_STACK_OK; resource = resource->next)
895 discoveryResult = OC_STACK_NO_RESOURCE;
897 discoveryResult = findResourceAtRD(resource, interfaceQuery, resourceTypeQuery,
900 if (OC_STACK_NO_RESOURCE == discoveryResult)
902 // This case will handle when no resource type and it is oic.if.ll.
903 if (!resourceTypeQuery && !baselineQuery && (resource->resourceProperties & prop))
905 discoveryResult = BuildVirtualResourceResponse(resource, discPayload, &request->devAddr);
907 else if (includeThisResourceInResponse(resource, interfaceQuery, resourceTypeQuery))
909 discoveryResult = BuildVirtualResourceResponse(resource, discPayload, &request->devAddr);
913 discoveryResult = OC_STACK_OK;
917 if (discPayload->resources == NULL)
919 discoveryResult = OC_STACK_NO_RESOURCE;
922 else if (virtualUriInRequest == OC_DEVICE_URI)
924 OCResource *resourcePtr = FindResourceByUri(OC_RSRVD_DEVICE_URI);
925 VERIFY_PARAM_NON_NULL(TAG, resourcePtr, "Device URI not found.");
926 discoveryResult = BuildResponseRepresentation(resourcePtr, (OCRepPayload **)&payload, NULL, true);
929 else if (virtualUriInRequest == OC_PLATFORM_URI)
931 OCResource *resourcePtr = FindResourceByUri(OC_RSRVD_PLATFORM_URI);
932 VERIFY_PARAM_NON_NULL(TAG, resourcePtr, "Platform URI not found.");
933 discoveryResult = BuildResponseRepresentation(resourcePtr, (OCRepPayload **)&payload, NULL, false);
935 #ifdef ROUTING_GATEWAY
936 else if (OC_GATEWAY_URI == virtualUriInRequest)
938 // Received request for a gateway
939 OIC_LOG(INFO, TAG, "Request is for Gateway Virtual Request");
940 discoveryResult = RMHandleGatewayRequest(request, resource);
944 else if (OC_KEEPALIVE_RESOURCE_URI == virtualUriInRequest)
946 // Received request for a keepalive
947 OIC_LOG(INFO, TAG, "Request is for KeepAlive Request");
948 discoveryResult = HandleKeepAliveRequest(request, resource);
952 * Step 2: Send the discovery response
954 * Iotivity should respond to discovery requests in below manner:
955 * 1)If query filter matching fails and discovery request is multicast,
956 * it should NOT send any response.
957 * 2)If query filter matching fails and discovery request is unicast,
958 * it should send an error(RESOURCE_NOT_FOUND - 404) response.
959 * 3)If Server does not have any 'DISCOVERABLE' resources and discovery
960 * request is multicast, it should NOT send any response.
961 * 4)If Server does not have any 'DISCOVERABLE' resources and discovery
962 * request is unicast, it should send an error(RESOURCE_NOT_FOUND - 404) response.
966 if ((virtualUriInRequest == OC_PRESENCE) &&
967 (resource->resourceProperties & OC_ACTIVE))
969 // Need to send ACK when the request is CON.
970 if (request->qos == OC_HIGH_QOS)
972 CAEndpoint_t endpoint = { .adapter = CA_DEFAULT_ADAPTER };
973 CopyDevAddrToEndpoint(&request->devAddr, &endpoint);
974 SendDirectStackResponse(&endpoint, request->coapID, CA_EMPTY, CA_MSG_ACKNOWLEDGE,
975 0, NULL, NULL, 0, NULL, CA_RESPONSE_FOR_RES);
977 FindAndDeleteServerRequest(request);
979 // Presence uses observer notification api to respond via SendPresenceNotification.
980 SendPresenceNotification(resource->rsrcType, OC_PRESENCE_TRIGGER_CHANGE);
985 // Gateway uses the RMHandleGatewayRequest to respond to the request.
986 if (OC_GATEWAY_URI != virtualUriInRequest)
990 // KeepAlive uses the HandleKeepAliveRequest to respond to the request.
991 if (OC_KEEPALIVE_RESOURCE_URI != virtualUriInRequest)
994 OIC_LOG_PAYLOAD(DEBUG, payload);
995 if(discoveryResult == OC_STACK_OK)
997 SendNonPersistantDiscoveryResponse(request, resource, payload, OC_EH_OK);
999 else if(((request->devAddr.flags & OC_MULTICAST) == false) &&
1000 (request->devAddr.adapter != OC_ADAPTER_RFCOMM_BTEDR) &&
1001 (request->devAddr.adapter != OC_ADAPTER_GATT_BTLE))
1003 OIC_LOG_V(ERROR, TAG, "Sending a (%d) error to (%d) discovery request",
1004 discoveryResult, virtualUriInRequest);
1005 SendNonPersistantDiscoveryResponse(request, resource, NULL,
1006 (discoveryResult == OC_STACK_NO_RESOURCE) ?
1007 OC_EH_RESOURCE_NOT_FOUND : OC_EH_ERROR);
1011 // Ignoring the discovery request as per RFC 7252, Section #8.2
1012 OIC_LOG(INFO, TAG, "Silently ignoring the request since no useful data to send.");
1013 // the request should be removed.
1014 // since it never remove and causes a big memory waste.
1015 FindAndDeleteServerRequest(request);
1023 OICFree(interfaceQuery);
1026 if (resourceTypeQuery)
1028 OICFree(resourceTypeQuery);
1030 OCPayloadDestroy(payload);
1031 if (dataModelVersions)
1033 OICFree(dataModelVersions);
1035 return discoveryResult;
1038 static OCStackResult
1039 HandleDefaultDeviceEntityHandler (OCServerRequest *request)
1043 return OC_STACK_INVALID_PARAM;
1046 OCStackResult result = OC_STACK_OK;
1047 OCEntityHandlerResult ehResult = OC_EH_ERROR;
1048 OCEntityHandlerRequest ehRequest = {0};
1050 OIC_LOG(INFO, TAG, "Entering HandleResourceWithDefaultDeviceEntityHandler");
1051 result = FormOCEntityHandlerRequest(&ehRequest,
1052 (OCRequestHandle) request->requestId,
1055 (OCResourceHandle) NULL, request->query,
1056 PAYLOAD_TYPE_REPRESENTATION,
1058 request->payloadSize,
1059 request->numRcvdVendorSpecificHeaderOptions,
1060 request->rcvdVendorSpecificHeaderOptions,
1061 (OCObserveAction)request->observationOption,
1064 VERIFY_SUCCESS(result);
1066 // At this point we know for sure that defaultDeviceHandler exists
1067 ehResult = defaultDeviceHandler(OC_REQUEST_FLAG, &ehRequest,
1068 (char*) request->resourceUrl, defaultDeviceHandlerCallbackParameter);
1069 if(ehResult == OC_EH_SLOW)
1071 OIC_LOG(INFO, TAG, "This is a slow resource");
1072 request->slowFlag = 1;
1074 else if(ehResult == OC_EH_ERROR)
1076 FindAndDeleteServerRequest(request);
1078 result = EntityHandlerCodeToOCStackCode(ehResult);
1080 OCPayloadDestroy(ehRequest.payload);
1084 static OCStackResult
1085 HandleResourceWithEntityHandler (OCServerRequest *request,
1086 OCResource *resource,
1087 uint8_t collectionResource)
1089 OC_UNUSED(collectionResource);
1091 if(!request || ! resource)
1093 return OC_STACK_INVALID_PARAM;
1096 OCStackResult result = OC_STACK_ERROR;
1097 OCEntityHandlerResult ehResult = OC_EH_ERROR;
1098 OCEntityHandlerFlag ehFlag = OC_REQUEST_FLAG;
1099 ResourceObserver *resObs = NULL;
1101 OCEntityHandlerRequest ehRequest = {0};
1103 OIC_LOG(INFO, TAG, "Entering HandleResourceWithEntityHandler");
1104 OCPayloadType type = PAYLOAD_TYPE_REPRESENTATION;
1105 // check the security resource
1106 if (request && request->resourceUrl && SRMIsSecurityResourceURI(request->resourceUrl))
1108 type = PAYLOAD_TYPE_SECURITY;
1111 result = FormOCEntityHandlerRequest(&ehRequest,
1112 (OCRequestHandle)request->requestId,
1115 (OCResourceHandle)resource,
1119 request->payloadSize,
1120 request->numRcvdVendorSpecificHeaderOptions,
1121 request->rcvdVendorSpecificHeaderOptions,
1122 (OCObserveAction)request->observationOption,
1125 VERIFY_SUCCESS(result);
1127 if(ehRequest.obsInfo.action == OC_OBSERVE_NO_OPTION)
1129 OIC_LOG(INFO, TAG, "No observation requested");
1130 ehFlag = OC_REQUEST_FLAG;
1132 else if(ehRequest.obsInfo.action == OC_OBSERVE_REGISTER)
1134 OIC_LOG(INFO, TAG, "Observation registration requested");
1136 ResourceObserver *obs = GetObserverUsingToken (request->requestToken,
1137 request->tokenLength);
1141 OIC_LOG (INFO, TAG, "Observer with this token already present");
1142 OIC_LOG (INFO, TAG, "Possibly re-transmitted CON OBS request");
1143 OIC_LOG (INFO, TAG, "Not adding observer. Not responding to client");
1144 OIC_LOG (INFO, TAG, "The first request for this token is already ACKED.");
1146 // server requests are usually free'd when the response is sent out
1147 // for the request in ocserverrequest.c : HandleSingleResponse()
1148 // Since we are making an early return and not responding, the server request
1149 // needs to be deleted.
1150 FindAndDeleteServerRequest (request);
1154 result = GenerateObserverId(&ehRequest.obsInfo.obsId);
1155 VERIFY_SUCCESS(result);
1157 result = AddObserver ((const char*)(request->resourceUrl),
1158 (const char *)(request->query),
1159 ehRequest.obsInfo.obsId, request->requestToken, request->tokenLength,
1160 resource, request->qos, request->acceptFormat,
1163 if(result == OC_STACK_OK)
1165 OIC_LOG(INFO, TAG, "Added observer successfully");
1166 request->observeResult = OC_STACK_OK;
1167 ehFlag = (OCEntityHandlerFlag)(OC_REQUEST_FLAG | OC_OBSERVE_FLAG);
1169 else if (result == OC_STACK_RESOURCE_ERROR)
1171 OIC_LOG(INFO, TAG, "The Resource is not active, discoverable or observable");
1172 request->observeResult = OC_STACK_ERROR;
1173 ehFlag = OC_REQUEST_FLAG;
1177 // The error in observeResult for the request will be used when responding to this
1178 // request by omitting the observation option/sequence number.
1179 request->observeResult = OC_STACK_ERROR;
1180 OIC_LOG(ERROR, TAG, "Observer Addition failed");
1181 ehFlag = OC_REQUEST_FLAG;
1182 FindAndDeleteServerRequest(request);
1187 else if(ehRequest.obsInfo.action == OC_OBSERVE_DEREGISTER)
1189 OIC_LOG(INFO, TAG, "Deregistering observation requested");
1191 resObs = GetObserverUsingToken (request->requestToken, request->tokenLength);
1195 // Stack does not contain this observation request
1196 // Either token is incorrect or observation list is corrupted
1197 result = OC_STACK_ERROR;
1200 ehRequest.obsInfo.obsId = resObs->observeId;
1201 ehFlag = (OCEntityHandlerFlag)(ehFlag | OC_OBSERVE_FLAG);
1203 result = DeleteObserverUsingToken (request->requestToken, request->tokenLength);
1205 if(result == OC_STACK_OK)
1207 OIC_LOG(INFO, TAG, "Removed observer successfully");
1208 request->observeResult = OC_STACK_OK;
1209 // There should be no observe option header for de-registration response.
1210 // Set as an invalid value here so we can detect it later and remove the field in response.
1211 request->observationOption = MAX_SEQUENCE_NUMBER + 1;
1215 request->observeResult = OC_STACK_ERROR;
1216 OIC_LOG(ERROR, TAG, "Observer Removal failed");
1217 FindAndDeleteServerRequest(request);
1223 result = OC_STACK_ERROR;
1227 ehResult = resource->entityHandler(ehFlag, &ehRequest, resource->entityHandlerCallbackParam);
1228 if(ehResult == OC_EH_SLOW)
1230 OIC_LOG(INFO, TAG, "This is a slow resource");
1231 request->slowFlag = 1;
1233 else if(ehResult == OC_EH_ERROR)
1235 FindAndDeleteServerRequest(request);
1237 result = EntityHandlerCodeToOCStackCode(ehResult);
1239 OCPayloadDestroy(ehRequest.payload);
1243 static OCStackResult
1244 HandleCollectionResourceDefaultEntityHandler (OCServerRequest *request,
1245 OCResource *resource)
1247 if(!request || !resource)
1249 return OC_STACK_INVALID_PARAM;
1252 OCStackResult result = OC_STACK_ERROR;
1253 OCEntityHandlerRequest ehRequest = {0};
1255 result = FormOCEntityHandlerRequest(&ehRequest,
1256 (OCRequestHandle)request->requestId,
1259 (OCResourceHandle)resource,
1261 PAYLOAD_TYPE_REPRESENTATION,
1263 request->payloadSize,
1264 request->numRcvdVendorSpecificHeaderOptions,
1265 request->rcvdVendorSpecificHeaderOptions,
1266 (OCObserveAction)request->observationOption,
1269 if(result == OC_STACK_OK)
1271 result = DefaultCollectionEntityHandler (OC_REQUEST_FLAG, &ehRequest);
1274 OCPayloadDestroy(ehRequest.payload);
1279 ProcessRequest(ResourceHandling resHandling, OCResource *resource, OCServerRequest *request)
1281 OCStackResult ret = OC_STACK_OK;
1283 switch (resHandling)
1285 case OC_RESOURCE_VIRTUAL:
1287 ret = HandleVirtualResource (request, resource);
1290 case OC_RESOURCE_DEFAULT_DEVICE_ENTITYHANDLER:
1292 ret = HandleDefaultDeviceEntityHandler(request);
1295 case OC_RESOURCE_NOT_COLLECTION_DEFAULT_ENTITYHANDLER:
1297 OIC_LOG(INFO, TAG, "OC_RESOURCE_NOT_COLLECTION_DEFAULT_ENTITYHANDLER");
1298 return OC_STACK_ERROR;
1300 case OC_RESOURCE_NOT_COLLECTION_WITH_ENTITYHANDLER:
1302 ret = HandleResourceWithEntityHandler (request, resource, 0);
1305 case OC_RESOURCE_COLLECTION_WITH_ENTITYHANDLER:
1307 ret = HandleResourceWithEntityHandler (request, resource, 1);
1310 case OC_RESOURCE_COLLECTION_DEFAULT_ENTITYHANDLER:
1312 ret = HandleCollectionResourceDefaultEntityHandler (request, resource);
1315 case OC_RESOURCE_NOT_SPECIFIED:
1317 ret = OC_STACK_NO_RESOURCE;
1322 OIC_LOG(INFO, TAG, "Invalid Resource Determination");
1323 return OC_STACK_ERROR;
1329 OCStackResult OCSetPlatformInfo(OCPlatformInfo info)
1331 OCResource *resource = NULL;
1332 if (!info.platformID || !info.manufacturerName)
1334 OIC_LOG(ERROR, TAG, "No value specified.");
1337 if (0 == strlen(info.platformID) || 0 == strlen(info.manufacturerName))
1339 OIC_LOG(ERROR, TAG, "The passed value cannot be empty");
1342 if ((info.manufacturerName && strlen(info.manufacturerName) > MAX_PLATFORM_NAME_LENGTH) ||
1343 (info.manufacturerUrl && strlen(info.manufacturerUrl) > MAX_PLATFORM_URL_LENGTH) ||
1344 (info.modelNumber && strlen(info.modelNumber) > MAX_PLATFORM_NAME_LENGTH) ||
1345 (info.platformVersion && strlen(info.platformVersion) > MAX_PLATFORM_NAME_LENGTH) ||
1346 (info.operatingSystemVersion && strlen(info.operatingSystemVersion) > MAX_PLATFORM_NAME_LENGTH) ||
1347 (info.hardwareVersion && strlen(info.hardwareVersion) > MAX_PLATFORM_NAME_LENGTH) ||
1348 (info.firmwareVersion && strlen(info.firmwareVersion) > MAX_PLATFORM_NAME_LENGTH) ||
1349 (info.supportUrl && strlen(info.supportUrl) > MAX_PLATFORM_URL_LENGTH))
1351 OIC_LOG(ERROR, TAG, "The passed value is bigger than permitted.");
1355 resource = FindResourceByUri(OC_RSRVD_PLATFORM_URI);
1358 OIC_LOG(ERROR, TAG, "Platform Resource does not exist.");
1361 OIC_LOG(INFO, TAG, "Entering OCSetPlatformInfo");
1362 VERIFY_SUCCESS(OCSetPropertyValue(PAYLOAD_TYPE_PLATFORM, OC_RSRVD_PLATFORM_ID, info.platformID));
1363 VERIFY_SUCCESS(OCSetPropertyValue(PAYLOAD_TYPE_PLATFORM, OC_RSRVD_MFG_NAME, info.manufacturerName));
1364 OCSetPropertyValue(PAYLOAD_TYPE_PLATFORM, OC_RSRVD_MFG_URL, info.manufacturerUrl);
1365 OCSetPropertyValue(PAYLOAD_TYPE_PLATFORM, OC_RSRVD_MODEL_NUM, info.modelNumber);
1366 OCSetPropertyValue(PAYLOAD_TYPE_PLATFORM, OC_RSRVD_MFG_DATE, info.dateOfManufacture);
1367 OCSetPropertyValue(PAYLOAD_TYPE_PLATFORM, OC_RSRVD_PLATFORM_VERSION, info.platformVersion);
1368 OCSetPropertyValue(PAYLOAD_TYPE_PLATFORM, OC_RSRVD_OS_VERSION, info.operatingSystemVersion);
1369 OCSetPropertyValue(PAYLOAD_TYPE_PLATFORM, OC_RSRVD_HARDWARE_VERSION, info.hardwareVersion);
1370 OCSetPropertyValue(PAYLOAD_TYPE_PLATFORM, OC_RSRVD_FIRMWARE_VERSION, info.firmwareVersion);
1371 OCSetPropertyValue(PAYLOAD_TYPE_PLATFORM, OC_RSRVD_SUPPORT_URL, info.supportUrl);
1372 OCSetPropertyValue(PAYLOAD_TYPE_PLATFORM, OC_RSRVD_SYSTEM_TIME, info.systemTime);
1373 OIC_LOG(INFO, TAG, "Platform parameter initialized successfully.");
1377 return OC_STACK_INVALID_PARAM;
1380 OCStackResult OCSetDeviceInfo(OCDeviceInfo info)
1382 OCStringLL *dataModelVersion = NULL;
1383 OCResource *resource = FindResourceByUri(OC_RSRVD_DEVICE_URI);
1386 OIC_LOG(ERROR, TAG, "Device Resource does not exist.");
1389 if (!info.deviceName || info.deviceName[0] == '\0')
1391 OIC_LOG(ERROR, TAG, "Null or empty device name.");
1392 return OC_STACK_INVALID_PARAM;
1395 if (OCGetServerInstanceIDString() == NULL)
1397 OIC_LOG(INFO, TAG, "Device ID generation failed");
1401 VERIFY_SUCCESS(OCSetPropertyValue(PAYLOAD_TYPE_DEVICE, OC_RSRVD_DEVICE_NAME, info.deviceName));
1402 for (OCStringLL *temp = info.types; temp; temp = temp->next)
1406 VERIFY_SUCCESS(OCBindResourceTypeToResource(resource, temp->value));
1409 VERIFY_SUCCESS(OCSetPropertyValue(PAYLOAD_TYPE_DEVICE, OC_RSRVD_SPEC_VERSION, info.specVersion ?
1410 info.specVersion: OC_SPEC_VERSION));
1411 if (info.dataModelVersions)
1413 VERIFY_SUCCESS(OCSetPropertyValue(PAYLOAD_TYPE_DEVICE, OC_RSRVD_DATA_MODEL_VERSION, info.dataModelVersions));
1417 dataModelVersion = OCCreateOCStringLL(OC_DATA_MODEL_VERSION);
1418 VERIFY_SUCCESS(OCSetPropertyValue(PAYLOAD_TYPE_DEVICE, OC_RSRVD_DATA_MODEL_VERSION, dataModelVersion));
1420 OIC_LOG(INFO, TAG, "Device parameter initialized successfully.");
1424 if (dataModelVersion)
1426 OCFreeOCStringLL(dataModelVersion);
1428 return OC_STACK_ERROR;
1431 OCStackResult OCGetAttribute(const OCResource *resource, const char *attribute, void **value)
1433 if (!resource || !attribute)
1435 return OC_STACK_INVALID_PARAM;
1437 if (0 == strlen(attribute))
1439 return OC_STACK_INVALID_PARAM;
1441 for (OCAttribute *temp = resource->rsrcAttributes; temp; temp = temp->next)
1443 if (0 == strcmp(attribute, temp->attrName))
1445 // A special case as this type return OCStringLL
1446 if (0 == strcmp(OC_RSRVD_DATA_MODEL_VERSION, attribute))
1448 *value = CloneOCStringLL((OCStringLL *)temp->attrValue);
1453 *value = OICStrdup((char *)temp->attrValue);
1458 return OC_STACK_NO_RESOURCE;
1461 OCStackResult OCGetPropertyValue(OCPayloadType type, const char *prop, void **value)
1463 if (!prop || *value)
1465 return OC_STACK_INVALID_PARAM;
1467 if (strlen(prop) == 0)
1469 return OC_STACK_INVALID_PARAM;
1471 OCStackResult res = OC_STACK_NO_RESOURCE;
1472 if (PAYLOAD_TYPE_DEVICE == type || PAYLOAD_TYPE_PLATFORM == type)
1474 const char *pathType = (type == PAYLOAD_TYPE_DEVICE) ? OC_RSRVD_DEVICE_URI : OC_RSRVD_PLATFORM_URI;
1475 OCResource *resource = FindResourceByUri(pathType);
1478 return OC_STACK_NO_RESOURCE;
1481 res = OCGetAttribute(resource, prop, value);
1486 OCStackResult OCSetAttribute(OCResource* resource, const char* attribute, const void* value)
1488 OCAttribute *resAttrib = (OCAttribute *)OICCalloc(1, sizeof(OCAttribute));
1489 VERIFY_PARAM_NON_NULL(TAG, resAttrib, "Failed allocation OCAttribute");
1490 resAttrib->attrName = OICStrdup(attribute);
1491 VERIFY_PARAM_NON_NULL(TAG, resAttrib->attrName, "Failed allocating attribute name");
1492 // A special case when value is of type OCStringLL
1493 if (0 == strcmp(OC_RSRVD_DATA_MODEL_VERSION, attribute))
1495 resAttrib->attrValue = CloneOCStringLL((OCStringLL *)value);
1499 resAttrib->attrValue = OICStrdup((char *)value);
1501 VERIFY_PARAM_NON_NULL(TAG, resAttrib->attrValue, "Failed allocating attribute value");
1502 resAttrib->next = NULL;
1504 if (!resource->rsrcAttributes)
1506 resource->rsrcAttributes = resAttrib;
1510 OCAttribute *temp = resource->rsrcAttributes;
1511 for (; temp->next; temp = temp->next)
1513 if (0 == strcmp(attribute, temp->attrName))
1515 if (0 == strcmp(OC_RSRVD_DATA_MODEL_VERSION, temp->attrName))
1517 OCFreeOCStringLL((OCStringLL *)temp->attrValue);
1520 OICFree((char *)temp->attrValue);
1525 temp->next = resAttrib;
1530 OCDeleteResourceAttributes(resAttrib);
1531 return OC_STACK_NO_MEMORY;
1535 OCStackResult OCSetPropertyValue(OCPayloadType type, const char *prop, const void *value)
1539 return OC_STACK_INVALID_PARAM;
1541 if (strlen(prop) == 0)
1543 return OC_STACK_INVALID_PARAM;
1546 OCStackResult res = OC_STACK_ERROR;
1547 if (PAYLOAD_TYPE_DEVICE == type || PAYLOAD_TYPE_PLATFORM == type)
1549 const char *pathType = (type == PAYLOAD_TYPE_DEVICE) ? OC_RSRVD_DEVICE_URI : OC_RSRVD_PLATFORM_URI;
1550 OCResource *resource = FindResourceByUri(pathType);
1553 OIC_LOG(ERROR, TAG, "Resource does not exist.");
1557 res = OCSetAttribute(resource, prop, value);