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)
348 OCRepPayload *tempPayload = OCRepPayloadCreate();
352 OCRepPayloadDestroy(tempPayload);
353 return OC_STACK_INVALID_PARAM;
358 return OC_STACK_NO_MEMORY;
361 OCRepPayloadSetUri(tempPayload, resourcePtr->uri);
363 OCResourceType *resType = resourcePtr->rsrcType;
366 OCRepPayloadAddResourceType(tempPayload, resType->resourcetypename);
367 resType = resType->next;
370 OCResourceInterface *resInterface = resourcePtr->rsrcInterface;
373 OCRepPayloadAddInterface(tempPayload, resInterface->name);
374 resInterface = resInterface->next;
377 OCAttribute *resAttrib = resourcePtr->rsrcAttributes;
380 if (resAttrib->attrName && resAttrib->attrValue)
382 if (0 == strcmp(OC_RSRVD_DATA_MODEL_VERSION, resAttrib->attrName))
384 appendOCStringLL(tempPayload, (OCStringLL *)resAttrib->attrValue);
388 OCRepPayloadSetPropString(tempPayload, resAttrib->attrName, (char *)resAttrib->attrValue);
391 resAttrib = resAttrib->next;
396 *payload = tempPayload;
400 OCRepPayloadAppend(*payload, tempPayload);
406 OCStackResult BuildVirtualResourceResponse(const OCResource *resourcePtr,
407 OCDiscoveryPayload *payload, OCDevAddr *devAddr)
409 if (!resourcePtr || !payload)
411 return OC_STACK_INVALID_PARAM;
413 uint16_t securePort = 0;
414 if (resourcePtr->resourceProperties & OC_SECURE)
416 if (GetSecurePortInfo(devAddr, &securePort) != OC_STACK_OK)
423 uint16_t tcpPort = 0;
424 if (GetTCPPortInfo(devAddr, &tcpPort) != OC_STACK_OK)
428 OCDiscoveryPayloadAddResource(payload, resourcePtr, securePort, tcpPort);
430 OCDiscoveryPayloadAddResource(payload, resourcePtr, securePort);
436 uint8_t IsCollectionResource (OCResource *resource)
443 if(resource->rsrcChildResourcesHead != NULL)
451 OCResource *FindResourceByUri(const char* resourceUri)
458 OCResource * pointer = headResource;
461 if (strcmp(resourceUri, pointer->uri) == 0)
465 pointer = pointer->next;
467 OIC_LOG_V(INFO, TAG, "Resource %s not found", resourceUri);
472 OCStackResult DetermineResourceHandling (const OCServerRequest *request,
473 ResourceHandling *handling,
474 OCResource **resource)
476 if(!request || !handling || !resource)
478 return OC_STACK_INVALID_PARAM;
481 OIC_LOG_V(INFO, TAG, "DetermineResourceHandling for %s", request->resourceUrl);
483 // Check if virtual resource
484 if (GetTypeOfVirtualURI(request->resourceUrl) != OC_UNKNOWN_URI)
486 OIC_LOG_V (INFO, TAG, "%s is virtual", request->resourceUrl);
487 *handling = OC_RESOURCE_VIRTUAL;
488 *resource = headResource;
491 if (strlen((const char*)(request->resourceUrl)) == 0)
493 // Resource URL not specified
494 *handling = OC_RESOURCE_NOT_SPECIFIED;
495 return OC_STACK_NO_RESOURCE;
499 OCResource *resourcePtr = FindResourceByUri((const char*)request->resourceUrl);
500 *resource = resourcePtr;
503 if(defaultDeviceHandler)
505 *handling = OC_RESOURCE_DEFAULT_DEVICE_ENTITYHANDLER;
509 // Resource does not exist
510 // and default device handler does not exist
511 *handling = OC_RESOURCE_NOT_SPECIFIED;
512 return OC_STACK_NO_RESOURCE;
515 if (IsCollectionResource (resourcePtr))
517 // Collection resource
518 if (resourcePtr->entityHandler != defaultResourceEHandler)
520 *handling = OC_RESOURCE_COLLECTION_WITH_ENTITYHANDLER;
525 *handling = OC_RESOURCE_COLLECTION_DEFAULT_ENTITYHANDLER;
531 // Resource not a collection
532 if (resourcePtr->entityHandler != defaultResourceEHandler)
534 *handling = OC_RESOURCE_NOT_COLLECTION_WITH_ENTITYHANDLER;
539 *handling = OC_RESOURCE_NOT_COLLECTION_DEFAULT_ENTITYHANDLER;
546 OCStackResult EntityHandlerCodeToOCStackCode(OCEntityHandlerResult ehResult)
548 OCStackResult result;
555 result = OC_STACK_OK;
558 result = OC_STACK_SLOW_RESOURCE;
561 result = OC_STACK_ERROR;
563 case OC_EH_FORBIDDEN:
564 result = OC_STACK_FORBIDDEN_REQ;
566 case OC_EH_INTERNAL_SERVER_ERROR:
567 result = OC_STACK_INTERNAL_SERVER_ERROR;
569 case OC_EH_RESOURCE_CREATED:
570 result = OC_STACK_RESOURCE_CREATED;
572 case OC_EH_RESOURCE_DELETED:
573 result = OC_STACK_RESOURCE_DELETED;
576 result = OC_STACK_RESOURCE_CHANGED;
578 case OC_EH_RESOURCE_NOT_FOUND:
579 result = OC_STACK_NO_RESOURCE;
582 result = OC_STACK_ERROR;
588 static bool resourceMatchesRTFilter(OCResource *resource, char *resourceTypeFilter)
595 // Null or empty is analogous to no filter.
596 if (resourceTypeFilter == NULL || *resourceTypeFilter == 0)
601 OCResourceType *resourceTypePtr = resource->rsrcType;
603 while (resourceTypePtr)
605 if (strcmp (resourceTypePtr->resourcetypename, resourceTypeFilter) == 0)
609 resourceTypePtr = resourceTypePtr->next;
612 OIC_LOG_V(INFO, TAG, "%s does not contain rt=%s.", resource->uri, resourceTypeFilter);
616 static bool resourceMatchesIFFilter(OCResource *resource, char *interfaceFilter)
623 // Null or empty is analogous to no filter.
624 if (interfaceFilter == NULL || *interfaceFilter == 0)
629 OCResourceInterface *interfacePtr = resource->rsrcInterface;
633 if (strcmp (interfacePtr->name, interfaceFilter) == 0 ||
634 strcmp (OC_RSRVD_INTERFACE_LL, interfaceFilter) == 0 ||
635 strcmp (OC_RSRVD_INTERFACE_DEFAULT, interfaceFilter) == 0)
639 interfacePtr = interfacePtr->next;
642 OIC_LOG_V(INFO, TAG, "%s does not contain if=%s.", resource->uri, interfaceFilter);
647 * If the filters are null, they will be assumed to NOT be present
648 * and the resource will not be matched against them.
649 * Function will return true if all non null AND non empty filters passed in find a match.
651 static bool includeThisResourceInResponse(OCResource *resource,
652 char *interfaceFilter,
653 char *resourceTypeFilter)
657 OIC_LOG(ERROR, TAG, "Invalid resource");
661 if (resource->resourceProperties & OC_EXPLICIT_DISCOVERABLE)
664 * At least one valid filter should be available to
665 * include the resource in discovery response
667 if (!(resourceTypeFilter && *resourceTypeFilter))
669 OIC_LOG_V(INFO, TAG, "%s no query string for EXPLICIT_DISCOVERABLE \
670 resource", resource->uri);
674 else if ( !(resource->resourceProperties & OC_ACTIVE) ||
675 !(resource->resourceProperties & OC_DISCOVERABLE))
677 OIC_LOG_V(INFO, TAG, "%s not ACTIVE or DISCOVERABLE", resource->uri);
681 return resourceMatchesIFFilter(resource, interfaceFilter) &&
682 resourceMatchesRTFilter(resource, resourceTypeFilter);
686 OCStackResult SendNonPersistantDiscoveryResponse(OCServerRequest *request, OCResource *resource,
687 OCPayload *discoveryPayload, OCEntityHandlerResult ehResult)
689 OCEntityHandlerResponse response = {0};
691 response.ehResult = ehResult;
692 response.payload = discoveryPayload;
693 response.persistentBufferFlag = 0;
694 response.requestHandle = (OCRequestHandle) request;
695 response.resourceHandle = (OCResourceHandle) resource;
697 return OCDoResponse(&response);
701 * Find resource at the resource directory server. This resource is not local resource but a
704 * @param resource The resource to check the matching resource URI.
705 * @param interfaceQuery The interface query parameter.
706 * @param resourceTypeQuery The resourceType query parameter.
707 * @param discPayload The payload that will be added with the resource information if found at RD.
709 * @return ::OC_STACK_OK if the resource is found else ::OC_STACK_NO_RESOURCE.
710 * In case if build is not with flag RD_SERVER, it returns ::OC_STACK_NO_RESOURCE.
712 static OCStackResult findResourceAtRD(const OCResource* resource, const char *interfaceQuery,
713 const char *resourceTypeQuery, OCDiscoveryPayload *discPayload)
715 if (strcmp(resource->uri, OC_RSRVD_RD_URI) == 0)
717 if (OC_STACK_OK == OCRDDatabaseCheckResources(interfaceQuery, resourceTypeQuery, discPayload))
723 return OC_STACK_NO_RESOURCE;
728 * Creates a discovery payload and add device id information. This information is included in all
731 * @param payload payload that will have memory alllocated and device id information added.
733 * @return ::OC_STACK_OK if successful in allocating memory and adding ID information.
734 * ::OC_STACK_NO_MEMORY if failed allocating the memory.
736 static OCStackResult discoveryPayloadCreateAndAddDeviceId(OCPayload **payload)
740 OIC_LOG_V(DEBUG, TAG, "Payload is already allocated");
744 *payload = (OCPayload *) OCDiscoveryPayloadCreate();
745 VERIFY_PARAM_NON_NULL(TAG, *payload, "Failed adding device id to discovery payload.");
748 OCDiscoveryPayload *discPayload = (OCDiscoveryPayload *)*payload;
749 discPayload->sid = (char *)OICCalloc(1, UUID_STRING_SIZE);
750 VERIFY_PARAM_NON_NULL(TAG, discPayload->sid, "Failed adding device id to discovery payload.");
752 const char* uid = OCGetServerInstanceIDString();
755 memcpy(discPayload->sid, uid, UUID_STRING_SIZE);
761 OCPayloadDestroy(*payload);
762 return OC_STACK_NO_MEMORY;
766 * Add the common properties to the payload, they are only included in case of oic.if.baseline response.
768 * @param discPayload payload that will have the baseline information included.
770 * @return ::OC_STACK_OK if successful in adding all the information. ::OC_STACK_NO_MEMORY if failed
771 * allocating the memory for the baseline information.
773 static OCStackResult addDiscoveryBaselineCommonProperties(OCDiscoveryPayload *discPayload)
775 discPayload->uri = OICStrdup(OC_RSRVD_WELL_KNOWN_URI);
776 VERIFY_PARAM_NON_NULL(TAG, discPayload->uri, "Failed adding href to discovery payload.");
778 OCGetPropertyValue(PAYLOAD_TYPE_DEVICE, "deviceName", (void **)&discPayload->name);
779 VERIFY_PARAM_NON_NULL(TAG, discPayload->name, "Failed adding name to discovery payload.");
781 discPayload->type = (OCStringLL*)OICCalloc(1, sizeof(OCStringLL));
782 VERIFY_PARAM_NON_NULL(TAG, discPayload->type, "Failed adding rt to discovery payload.");
783 discPayload->type->value = OICStrdup(OC_RSRVD_RESOURCE_TYPE_RES);
784 VERIFY_PARAM_NON_NULL(TAG, discPayload->type, "Failed adding rt value to discovery payload.");
786 OCResourcePayloadAddStringLL(&discPayload->iface, OC_RSRVD_INTERFACE_LL);
787 OCResourcePayloadAddStringLL(&discPayload->iface, OC_RSRVD_INTERFACE_DEFAULT);
788 VERIFY_PARAM_NON_NULL(TAG, discPayload->iface, "Failed adding if to discovery payload.");
793 return OC_STACK_NO_MEMORY;
796 static OCStackResult HandleVirtualResource (OCServerRequest *request, OCResource* resource)
798 if (!request || !resource)
800 return OC_STACK_INVALID_PARAM;
803 OCStackResult discoveryResult = OC_STACK_ERROR;
804 if (request->method == OC_REST_PUT || request->method == OC_REST_POST ||
805 request->method == OC_REST_DELETE)
807 OIC_LOG_V(ERROR, TAG, "Resource : %s not permitted for method: %d",
808 request->resourceUrl, request->method);
809 return OC_STACK_UNAUTHORIZED_REQ;
812 OCPayload* payload = NULL;
813 char *interfaceQuery = NULL;
814 char *resourceTypeQuery = NULL;
815 char *dataModelVersions = NULL;
817 OIC_LOG(INFO, TAG, "Entering HandleVirtualResource");
819 OCVirtualResources virtualUriInRequest = GetTypeOfVirtualURI (request->resourceUrl);
821 // Step 1: Generate the response to discovery request
822 if (virtualUriInRequest == OC_WELL_KNOWN_URI
824 || virtualUriInRequest == OC_MQ_BROKER_URI
828 discoveryResult = getQueryParamsForFiltering (virtualUriInRequest, request->query,
829 &interfaceQuery, &resourceTypeQuery);
830 VERIFY_SUCCESS(discoveryResult);
831 if (!interfaceQuery && !resourceTypeQuery)
833 // If no query is sent, default interface is used i.e. oic.if.ll.
834 interfaceQuery = OICStrdup(OC_RSRVD_INTERFACE_LL);
837 bool baselineQuery = false;
838 if (interfaceQuery && 0 != strcmp(interfaceQuery, OC_RSRVD_INTERFACE_LL))
840 baselineQuery = true;
843 discoveryResult = discoveryPayloadCreateAndAddDeviceId(&payload);
844 VERIFY_PARAM_NON_NULL(TAG, payload, "Failed creating Discovery Payload.");
845 VERIFY_SUCCESS(discoveryResult);
847 OCDiscoveryPayload *discPayload = (OCDiscoveryPayload *)payload;
850 discoveryResult = addDiscoveryBaselineCommonProperties(discPayload);
851 VERIFY_SUCCESS(discoveryResult);
853 OCResourceProperty prop = OC_DISCOVERABLE;
855 prop = (OC_MQ_BROKER_URI == virtualUriInRequest) ? OC_MQ_BROKER : prop;
857 for (; resource && discoveryResult == OC_STACK_OK; resource = resource->next)
859 discoveryResult = OC_STACK_NO_RESOURCE;
861 discoveryResult = findResourceAtRD(resource, interfaceQuery, resourceTypeQuery,
864 if (OC_STACK_NO_RESOURCE == discoveryResult)
866 if ((!baselineQuery && (resource->resourceProperties & prop)) ||
867 (baselineQuery && (includeThisResourceInResponse(resource, interfaceQuery,
868 resourceTypeQuery))))
870 discoveryResult = BuildVirtualResourceResponse(resource, discPayload,
875 discoveryResult = OC_STACK_OK;
879 if (discPayload->resources == NULL)
881 discoveryResult = OC_STACK_NO_RESOURCE;
884 else if (virtualUriInRequest == OC_DEVICE_URI)
886 OCResource *resourcePtr = FindResourceByUri(OC_RSRVD_DEVICE_URI);
887 VERIFY_PARAM_NON_NULL(TAG, resourcePtr, "Device URI not found.");
888 discoveryResult = BuildResponseRepresentation(resourcePtr, (OCRepPayload **)&payload);
890 else if (virtualUriInRequest == OC_PLATFORM_URI)
892 OCResource *resourcePtr = FindResourceByUri(OC_RSRVD_PLATFORM_URI);
893 VERIFY_PARAM_NON_NULL(TAG, resourcePtr, "Platform URI not found.");
894 discoveryResult = BuildResponseRepresentation(resourcePtr, (OCRepPayload **)&payload);
896 #ifdef ROUTING_GATEWAY
897 else if (OC_GATEWAY_URI == virtualUriInRequest)
899 // Received request for a gateway
900 OIC_LOG(INFO, TAG, "Request is for Gateway Virtual Request");
901 discoveryResult = RMHandleGatewayRequest(request, resource);
905 else if (OC_KEEPALIVE_RESOURCE_URI == virtualUriInRequest)
907 // Received request for a keepalive
908 OIC_LOG(INFO, TAG, "Request is for KeepAlive Request");
909 discoveryResult = HandleKeepAliveRequest(request, resource);
913 * Step 2: Send the discovery response
915 * Iotivity should respond to discovery requests in below manner:
916 * 1)If query filter matching fails and discovery request is multicast,
917 * it should NOT send any response.
918 * 2)If query filter matching fails and discovery request is unicast,
919 * it should send an error(RESOURCE_NOT_FOUND - 404) response.
920 * 3)If Server does not have any 'DISCOVERABLE' resources and discovery
921 * request is multicast, it should NOT send any response.
922 * 4)If Server does not have any 'DISCOVERABLE' resources and discovery
923 * request is unicast, it should send an error(RESOURCE_NOT_FOUND - 404) response.
927 if ((virtualUriInRequest == OC_PRESENCE) &&
928 (resource->resourceProperties & OC_ACTIVE))
930 // Need to send ACK when the request is CON.
931 if (request->qos == OC_HIGH_QOS)
933 CAEndpoint_t endpoint = { .adapter = CA_DEFAULT_ADAPTER };
934 CopyDevAddrToEndpoint(&request->devAddr, &endpoint);
935 SendDirectStackResponse(&endpoint, request->coapID, CA_EMPTY, CA_MSG_ACKNOWLEDGE,
936 0, NULL, NULL, 0, NULL, CA_RESPONSE_FOR_RES);
938 FindAndDeleteServerRequest(request);
940 // Presence uses observer notification api to respond via SendPresenceNotification.
941 SendPresenceNotification(resource->rsrcType, OC_PRESENCE_TRIGGER_CHANGE);
946 // Gateway uses the RMHandleGatewayRequest to respond to the request.
947 if (OC_GATEWAY_URI != virtualUriInRequest)
951 // KeepAlive uses the HandleKeepAliveRequest to respond to the request.
952 if (OC_KEEPALIVE_RESOURCE_URI != virtualUriInRequest)
955 OIC_LOG_PAYLOAD(DEBUG, payload);
956 if(discoveryResult == OC_STACK_OK)
958 SendNonPersistantDiscoveryResponse(request, resource, payload, OC_EH_OK);
960 else if(((request->devAddr.flags & OC_MULTICAST) == false) &&
961 (request->devAddr.adapter != OC_ADAPTER_RFCOMM_BTEDR) &&
962 (request->devAddr.adapter != OC_ADAPTER_GATT_BTLE))
964 OIC_LOG_V(ERROR, TAG, "Sending a (%d) error to (%d) discovery request",
965 discoveryResult, virtualUriInRequest);
966 SendNonPersistantDiscoveryResponse(request, resource, NULL,
967 (discoveryResult == OC_STACK_NO_RESOURCE) ?
968 OC_EH_RESOURCE_NOT_FOUND : OC_EH_ERROR);
972 // Ignoring the discovery request as per RFC 7252, Section #8.2
973 OIC_LOG(INFO, TAG, "Silently ignoring the request since no useful data to send.");
974 // the request should be removed.
975 // since it never remove and causes a big memory waste.
976 FindAndDeleteServerRequest(request);
984 OICFree(interfaceQuery);
987 if (resourceTypeQuery)
989 OICFree(resourceTypeQuery);
991 OCPayloadDestroy(payload);
992 if (dataModelVersions)
994 OICFree(dataModelVersions);
996 return discoveryResult;
1000 HandleDefaultDeviceEntityHandler (OCServerRequest *request)
1004 return OC_STACK_INVALID_PARAM;
1007 OCStackResult result = OC_STACK_OK;
1008 OCEntityHandlerResult ehResult = OC_EH_ERROR;
1009 OCEntityHandlerRequest ehRequest = {0};
1011 OIC_LOG(INFO, TAG, "Entering HandleResourceWithDefaultDeviceEntityHandler");
1012 result = FormOCEntityHandlerRequest(&ehRequest,
1013 (OCRequestHandle) request,
1016 (OCResourceHandle) NULL, request->query,
1017 PAYLOAD_TYPE_REPRESENTATION,
1019 request->payloadSize,
1020 request->numRcvdVendorSpecificHeaderOptions,
1021 request->rcvdVendorSpecificHeaderOptions,
1022 (OCObserveAction)request->observationOption,
1025 VERIFY_SUCCESS(result);
1027 // At this point we know for sure that defaultDeviceHandler exists
1028 ehResult = defaultDeviceHandler(OC_REQUEST_FLAG, &ehRequest,
1029 (char*) request->resourceUrl, defaultDeviceHandlerCallbackParameter);
1030 if(ehResult == OC_EH_SLOW)
1032 OIC_LOG(INFO, TAG, "This is a slow resource");
1033 request->slowFlag = 1;
1035 else if(ehResult == OC_EH_ERROR)
1037 FindAndDeleteServerRequest(request);
1039 result = EntityHandlerCodeToOCStackCode(ehResult);
1041 OCPayloadDestroy(ehRequest.payload);
1045 static OCStackResult
1046 HandleResourceWithEntityHandler (OCServerRequest *request,
1047 OCResource *resource,
1048 uint8_t collectionResource)
1050 OC_UNUSED(collectionResource);
1052 if(!request || ! resource)
1054 return OC_STACK_INVALID_PARAM;
1057 OCStackResult result = OC_STACK_ERROR;
1058 OCEntityHandlerResult ehResult = OC_EH_ERROR;
1059 OCEntityHandlerFlag ehFlag = OC_REQUEST_FLAG;
1060 ResourceObserver *resObs = NULL;
1062 OCEntityHandlerRequest ehRequest = {0};
1064 OIC_LOG(INFO, TAG, "Entering HandleResourceWithEntityHandler");
1065 OCPayloadType type = PAYLOAD_TYPE_REPRESENTATION;
1066 // check the security resource
1067 if (request && request->resourceUrl && SRMIsSecurityResourceURI(request->resourceUrl))
1069 type = PAYLOAD_TYPE_SECURITY;
1073 result = FormOCEntityHandlerRequest(&ehRequest,
1074 (OCRequestHandle)request,
1077 (OCResourceHandle)resource,
1081 request->payloadSize,
1082 request->numRcvdVendorSpecificHeaderOptions,
1083 request->rcvdVendorSpecificHeaderOptions,
1084 (OCObserveAction)request->observationOption,
1087 VERIFY_SUCCESS(result);
1089 if(ehRequest.obsInfo.action == OC_OBSERVE_NO_OPTION)
1091 OIC_LOG(INFO, TAG, "No observation requested");
1092 ehFlag = OC_REQUEST_FLAG;
1094 else if(ehRequest.obsInfo.action == OC_OBSERVE_REGISTER)
1096 OIC_LOG(INFO, TAG, "Observation registration requested");
1098 ResourceObserver *obs = GetObserverUsingToken (request->requestToken,
1099 request->tokenLength);
1103 OIC_LOG (INFO, TAG, "Observer with this token already present");
1104 OIC_LOG (INFO, TAG, "Possibly re-transmitted CON OBS request");
1105 OIC_LOG (INFO, TAG, "Not adding observer. Not responding to client");
1106 OIC_LOG (INFO, TAG, "The first request for this token is already ACKED.");
1108 // server requests are usually free'd when the response is sent out
1109 // for the request in ocserverrequest.c : HandleSingleResponse()
1110 // Since we are making an early return and not responding, the server request
1111 // needs to be deleted.
1112 FindAndDeleteServerRequest (request);
1116 result = GenerateObserverId(&ehRequest.obsInfo.obsId);
1117 VERIFY_SUCCESS(result);
1119 result = AddObserver ((const char*)(request->resourceUrl),
1120 (const char *)(request->query),
1121 ehRequest.obsInfo.obsId, request->requestToken, request->tokenLength,
1122 resource, request->qos, request->acceptFormat,
1125 if(result == OC_STACK_OK)
1127 OIC_LOG(INFO, TAG, "Added observer successfully");
1128 request->observeResult = OC_STACK_OK;
1129 ehFlag = (OCEntityHandlerFlag)(OC_REQUEST_FLAG | OC_OBSERVE_FLAG);
1131 else if (result == OC_STACK_RESOURCE_ERROR)
1133 OIC_LOG(INFO, TAG, "The Resource is not active, discoverable or observable");
1134 request->observeResult = OC_STACK_ERROR;
1135 ehFlag = OC_REQUEST_FLAG;
1139 // The error in observeResult for the request will be used when responding to this
1140 // request by omitting the observation option/sequence number.
1141 request->observeResult = OC_STACK_ERROR;
1142 OIC_LOG(ERROR, TAG, "Observer Addition failed");
1143 ehFlag = OC_REQUEST_FLAG;
1144 FindAndDeleteServerRequest(request);
1149 else if(ehRequest.obsInfo.action == OC_OBSERVE_DEREGISTER)
1151 OIC_LOG(INFO, TAG, "Deregistering observation requested");
1153 resObs = GetObserverUsingToken (request->requestToken, request->tokenLength);
1157 // Stack does not contain this observation request
1158 // Either token is incorrect or observation list is corrupted
1159 result = OC_STACK_ERROR;
1162 ehRequest.obsInfo.obsId = resObs->observeId;
1163 ehFlag = (OCEntityHandlerFlag)(ehFlag | OC_OBSERVE_FLAG);
1165 result = DeleteObserverUsingToken (request->requestToken, request->tokenLength);
1167 if(result == OC_STACK_OK)
1169 OIC_LOG(INFO, TAG, "Removed observer successfully");
1170 request->observeResult = OC_STACK_OK;
1171 // There should be no observe option header for de-registration response.
1172 // Set as an invalid value here so we can detect it later and remove the field in response.
1173 request->observationOption = MAX_SEQUENCE_NUMBER + 1;
1177 request->observeResult = OC_STACK_ERROR;
1178 OIC_LOG(ERROR, TAG, "Observer Removal failed");
1179 FindAndDeleteServerRequest(request);
1185 result = OC_STACK_ERROR;
1189 ehResult = resource->entityHandler(ehFlag, &ehRequest, resource->entityHandlerCallbackParam);
1190 if(ehResult == OC_EH_SLOW)
1192 OIC_LOG(INFO, TAG, "This is a slow resource");
1193 request->slowFlag = 1;
1195 else if(ehResult == OC_EH_ERROR)
1197 FindAndDeleteServerRequest(request);
1199 result = EntityHandlerCodeToOCStackCode(ehResult);
1201 OCPayloadDestroy(ehRequest.payload);
1205 static OCStackResult
1206 HandleCollectionResourceDefaultEntityHandler (OCServerRequest *request,
1207 OCResource *resource)
1209 if(!request || !resource)
1211 return OC_STACK_INVALID_PARAM;
1214 OCStackResult result = OC_STACK_ERROR;
1215 OCEntityHandlerRequest ehRequest = {0};
1217 result = FormOCEntityHandlerRequest(&ehRequest,
1218 (OCRequestHandle)request,
1221 (OCResourceHandle)resource,
1223 PAYLOAD_TYPE_REPRESENTATION,
1225 request->payloadSize,
1226 request->numRcvdVendorSpecificHeaderOptions,
1227 request->rcvdVendorSpecificHeaderOptions,
1228 (OCObserveAction)request->observationOption,
1231 if(result == OC_STACK_OK)
1233 result = DefaultCollectionEntityHandler (OC_REQUEST_FLAG, &ehRequest);
1236 OCPayloadDestroy(ehRequest.payload);
1241 ProcessRequest(ResourceHandling resHandling, OCResource *resource, OCServerRequest *request)
1243 OCStackResult ret = OC_STACK_OK;
1245 switch (resHandling)
1247 case OC_RESOURCE_VIRTUAL:
1249 ret = HandleVirtualResource (request, resource);
1252 case OC_RESOURCE_DEFAULT_DEVICE_ENTITYHANDLER:
1254 ret = HandleDefaultDeviceEntityHandler(request);
1257 case OC_RESOURCE_NOT_COLLECTION_DEFAULT_ENTITYHANDLER:
1259 OIC_LOG(INFO, TAG, "OC_RESOURCE_NOT_COLLECTION_DEFAULT_ENTITYHANDLER");
1260 return OC_STACK_ERROR;
1262 case OC_RESOURCE_NOT_COLLECTION_WITH_ENTITYHANDLER:
1264 ret = HandleResourceWithEntityHandler (request, resource, 0);
1267 case OC_RESOURCE_COLLECTION_WITH_ENTITYHANDLER:
1269 ret = HandleResourceWithEntityHandler (request, resource, 1);
1272 case OC_RESOURCE_COLLECTION_DEFAULT_ENTITYHANDLER:
1274 ret = HandleCollectionResourceDefaultEntityHandler (request, resource);
1277 case OC_RESOURCE_NOT_SPECIFIED:
1279 ret = OC_STACK_NO_RESOURCE;
1284 OIC_LOG(INFO, TAG, "Invalid Resource Determination");
1285 return OC_STACK_ERROR;
1291 OCStackResult OCSetPlatformInfo(OCPlatformInfo info)
1293 OCResource *resource = NULL;
1294 if (!info.platformID || !info.manufacturerName)
1296 OIC_LOG(ERROR, TAG, "No value specified.");
1299 if (0 == strlen(info.platformID) || 0 == strlen(info.manufacturerName))
1301 OIC_LOG(ERROR, TAG, "The passed value cannot be empty");
1304 if ((info.manufacturerName && strlen(info.manufacturerName) > MAX_PLATFORM_NAME_LENGTH) ||
1305 (info.manufacturerUrl && strlen(info.manufacturerUrl) > MAX_PLATFORM_URL_LENGTH) ||
1306 (info.modelNumber && strlen(info.modelNumber) > MAX_PLATFORM_NAME_LENGTH) ||
1307 (info.platformVersion && strlen(info.platformVersion) > MAX_PLATFORM_NAME_LENGTH) ||
1308 (info.operatingSystemVersion && strlen(info.operatingSystemVersion) > MAX_PLATFORM_NAME_LENGTH) ||
1309 (info.hardwareVersion && strlen(info.hardwareVersion) > MAX_PLATFORM_NAME_LENGTH) ||
1310 (info.firmwareVersion && strlen(info.firmwareVersion) > MAX_PLATFORM_NAME_LENGTH) ||
1311 (info.supportUrl && strlen(info.supportUrl) > MAX_PLATFORM_URL_LENGTH))
1313 OIC_LOG(ERROR, TAG, "The passed value is bigger than permitted.");
1317 resource = FindResourceByUri(OC_RSRVD_PLATFORM_URI);
1320 OIC_LOG(ERROR, TAG, "Platform Resource does not exist.");
1323 OIC_LOG(INFO, TAG, "Entering OCSetPlatformInfo");
1324 VERIFY_SUCCESS(OCSetPropertyValue(PAYLOAD_TYPE_PLATFORM, OC_RSRVD_PLATFORM_ID, info.platformID));
1325 VERIFY_SUCCESS(OCSetPropertyValue(PAYLOAD_TYPE_PLATFORM, OC_RSRVD_MFG_NAME, info.manufacturerName));
1326 OCSetPropertyValue(PAYLOAD_TYPE_PLATFORM, OC_RSRVD_MFG_URL, info.manufacturerUrl);
1327 OCSetPropertyValue(PAYLOAD_TYPE_PLATFORM, OC_RSRVD_MODEL_NUM, info.modelNumber);
1328 OCSetPropertyValue(PAYLOAD_TYPE_PLATFORM, OC_RSRVD_MFG_DATE, info.dateOfManufacture);
1329 OCSetPropertyValue(PAYLOAD_TYPE_PLATFORM, OC_RSRVD_PLATFORM_VERSION, info.platformVersion);
1330 OCSetPropertyValue(PAYLOAD_TYPE_PLATFORM, OC_RSRVD_OS_VERSION, info.operatingSystemVersion);
1331 OCSetPropertyValue(PAYLOAD_TYPE_PLATFORM, OC_RSRVD_HARDWARE_VERSION, info.hardwareVersion);
1332 OCSetPropertyValue(PAYLOAD_TYPE_PLATFORM, OC_RSRVD_FIRMWARE_VERSION, info.firmwareVersion);
1333 OCSetPropertyValue(PAYLOAD_TYPE_PLATFORM, OC_RSRVD_SUPPORT_URL, info.supportUrl);
1334 OCSetPropertyValue(PAYLOAD_TYPE_PLATFORM, OC_RSRVD_SYSTEM_TIME, info.systemTime);
1335 OIC_LOG(INFO, TAG, "Platform parameter initialized successfully.");
1339 return OC_STACK_INVALID_PARAM;
1342 OCStackResult OCSetDeviceInfo(OCDeviceInfo info)
1344 OCStringLL *dataModelVersion = NULL;
1345 OCResource *resource = FindResourceByUri(OC_RSRVD_DEVICE_URI);
1348 OIC_LOG(ERROR, TAG, "Device Resource does not exist.");
1351 if (!info.deviceName || info.deviceName[0] == '\0')
1353 OIC_LOG(ERROR, TAG, "Null or empty device name.");
1354 return OC_STACK_INVALID_PARAM;
1357 if (OCGetServerInstanceIDString() == NULL)
1359 OIC_LOG(INFO, TAG, "Device ID generation failed");
1363 VERIFY_SUCCESS(OCSetPropertyValue(PAYLOAD_TYPE_DEVICE, OC_RSRVD_DEVICE_NAME, info.deviceName));
1364 for (OCStringLL *temp = info.types; temp; temp = temp->next)
1368 VERIFY_SUCCESS(OCBindResourceTypeToResource(resource, temp->value));
1371 VERIFY_SUCCESS(OCSetPropertyValue(PAYLOAD_TYPE_DEVICE, OC_RSRVD_SPEC_VERSION, info.specVersion ?
1372 info.specVersion: OC_SPEC_VERSION));
1373 if (info.dataModelVersions)
1375 VERIFY_SUCCESS(OCSetPropertyValue(PAYLOAD_TYPE_DEVICE, OC_RSRVD_DATA_MODEL_VERSION, info.dataModelVersions));
1379 dataModelVersion = OCCreateOCStringLL(OC_DATA_MODEL_VERSION);
1380 VERIFY_SUCCESS(OCSetPropertyValue(PAYLOAD_TYPE_DEVICE, OC_RSRVD_DATA_MODEL_VERSION, dataModelVersion));
1382 OIC_LOG(INFO, TAG, "Device parameter initialized successfully.");
1386 if (dataModelVersion)
1388 OCFreeOCStringLL(dataModelVersion);
1390 return OC_STACK_ERROR;
1393 OCStackResult OCGetAttribute(const OCResource *resource, const char *attribute, void **value)
1395 if (!resource || !attribute)
1397 return OC_STACK_INVALID_PARAM;
1399 if (0 == strlen(attribute))
1401 return OC_STACK_INVALID_PARAM;
1403 for (OCAttribute *temp = resource->rsrcAttributes; temp; temp = temp->next)
1405 if (0 == strcmp(attribute, temp->attrName))
1407 // A special case as this type return OCStringLL
1408 if (0 == strcmp(OC_RSRVD_DATA_MODEL_VERSION, attribute))
1410 *value = CloneOCStringLL((OCStringLL *)temp->attrValue);
1415 *value = OICStrdup((char *)temp->attrValue);
1420 return OC_STACK_NO_RESOURCE;
1423 OCStackResult OCGetPropertyValue(OCPayloadType type, const char *prop, void **value)
1425 if (!prop || *value)
1427 return OC_STACK_INVALID_PARAM;
1429 if (strlen(prop) == 0)
1431 return OC_STACK_INVALID_PARAM;
1433 OCStackResult res = OC_STACK_NO_RESOURCE;
1434 if (PAYLOAD_TYPE_DEVICE == type || PAYLOAD_TYPE_PLATFORM == type)
1436 const char *pathType = (type == PAYLOAD_TYPE_DEVICE) ? OC_RSRVD_DEVICE_URI : OC_RSRVD_PLATFORM_URI;
1437 OCResource *resource = FindResourceByUri(pathType);
1440 return OC_STACK_NO_RESOURCE;
1443 res = OCGetAttribute(resource, prop, value);
1448 OCStackResult OCSetAttribute(OCResource* resource, const char* attribute, const void* value)
1450 OCAttribute *resAttrib = (OCAttribute *)OICCalloc(1, sizeof(OCAttribute));
1451 VERIFY_PARAM_NON_NULL(TAG, resAttrib, "Failed allocation OCAttribute");
1452 resAttrib->attrName = OICStrdup(attribute);
1453 VERIFY_PARAM_NON_NULL(TAG, resAttrib->attrName, "Failed allocating attribute name");
1454 // A special case when value is of type OCStringLL
1455 if (0 == strcmp(OC_RSRVD_DATA_MODEL_VERSION, attribute))
1457 resAttrib->attrValue = CloneOCStringLL((OCStringLL *)value);
1461 resAttrib->attrValue = OICStrdup((char *)value);
1463 VERIFY_PARAM_NON_NULL(TAG, resAttrib->attrValue, "Failed allocating attribute value");
1464 resAttrib->next = NULL;
1466 if (!resource->rsrcAttributes)
1468 resource->rsrcAttributes = resAttrib;
1472 OCAttribute *temp = resource->rsrcAttributes;
1473 for (; temp->next; temp = temp->next)
1475 if (0 == strcmp(attribute, temp->attrName))
1477 if (0 == strcmp(OC_RSRVD_DATA_MODEL_VERSION, temp->attrName))
1479 OCFreeOCStringLL((OCStringLL *)temp->attrValue);
1482 OICFree((char *)temp->attrValue);
1487 temp->next = resAttrib;
1492 OCDeleteResourceAttributes(resAttrib);
1493 return OC_STACK_NO_MEMORY;
1497 OCStackResult OCSetPropertyValue(OCPayloadType type, const char *prop, const void *value)
1501 return OC_STACK_INVALID_PARAM;
1503 if (strlen(prop) == 0)
1505 return OC_STACK_INVALID_PARAM;
1508 OCStackResult res = OC_STACK_ERROR;
1509 if (PAYLOAD_TYPE_DEVICE == type || PAYLOAD_TYPE_PLATFORM == type)
1511 const char *pathType = (type == PAYLOAD_TYPE_DEVICE) ? OC_RSRVD_DEVICE_URI : OC_RSRVD_PLATFORM_URI;
1512 OCResource *resource = FindResourceByUri(pathType);
1515 OIC_LOG(ERROR, TAG, "Resource does not exist.");
1519 res = OCSetAttribute(resource, prop, value);