replace : iotivity -> iotivity-sec
[platform/upstream/iotivity.git] / resource / csdk / stack / src / ocstack.c
index 277cd6e..c603445 100644 (file)
 #include "oic_malloc.h"
 #include "oic_string.h"
 #include "logger.h"
+#include "trace.h"
 #include "ocserverrequest.h"
 #include "secureresourcemanager.h"
 #include "psinterface.h"
+#include "psiutils.h"
 #include "doxmresource.h"
 #include "cacommon.h"
 #include "cainterface.h"
@@ -69,7 +71,7 @@
 #endif
 
 #ifdef TCP_ADAPTER
-#include "oickeepalive.h"
+#include "oickeepaliveinternal.h"
 #endif
 
 //#ifdef DIRECT_PAIRING
@@ -110,6 +112,14 @@ typedef enum
 } OCPresenceState;
 #endif
 
+#if defined(__WITH_DTLS__) || defined (__WITH_TLS__)
+typedef struct
+{
+    OCOtmEventHandler cb;
+    void *ctx;
+} OCOtmEventHandler_t;
+#endif
+
 //-----------------------------------------------------------------------------
 // Private variables
 //-----------------------------------------------------------------------------
@@ -144,6 +154,10 @@ static const char CORESPEC[] = "core";
 CAAdapterStateChangedCB g_adapterHandler = NULL;
 CAConnectionStateChangedCB g_connectionHandler = NULL;
 
+#if defined(__WITH_DTLS__) || defined (__WITH_TLS__)
+static OCOtmEventHandler_t g_otmEventHandler = {NULL, NULL};
+#endif
+
 //-----------------------------------------------------------------------------
 // Macros
 //-----------------------------------------------------------------------------
@@ -258,6 +272,13 @@ static void deleteResourceType(OCResourceType *resourceType);
 static void deleteResourceInterface(OCResourceInterface *resourceInterface);
 
 /**
+ * Delete all child resources.
+ *
+ * @param resourceChild Specified binded resource is deleted from parent.
+ */
+static void deleteResourceChild(OCChildResource *resourceChild);
+
+/**
  * Delete all of the dynamically allocated elements that were created for the resource.
  *
  * @param resource Specified resource.
@@ -291,10 +312,10 @@ static void incrementSequenceNumber(OCResource * resPtr);
  *
  * Note: At least one interface must succeed to initialize. If all calls to @ref CASelectNetwork
  * return something other than @ref CA_STATUS_OK, then this function fails.
- *
+ * @param transportType  OCTransportAdapter value to select.
  * @return ::CA_STATUS_OK on success, some other value upon failure.
  */
-static CAResult_t OCSelectNetwork();
+static CAResult_t OCSelectNetwork(OCTransportAdapter transportType);
 
 /**
  * Convert CAResponseResult_t to OCStackResult.
@@ -370,6 +391,7 @@ static OCStackResult getQueryFromUri(const char * uri, char** resourceType, char
 static OCResourceType *findResourceType(OCResourceType * resourceTypeList,
         const char * resourceTypeName);
 
+#ifdef WITH_PRESENCE
 /**
  * Reset presence TTL for a ClientCB struct. ttlLevel will be set to 0.
  * TTL will be set to maxAge.
@@ -380,6 +402,7 @@ static OCResourceType *findResourceType(OCResourceType * resourceTypeList,
  * @return ::OC_STACK_OK on success, some other value upon failure.
  */
 static OCStackResult ResetPresenceTTL(ClientCB *cbNode, uint32_t maxAgeSeconds);
+#endif
 
 /**
  * Ensure the accept header option is set appropriatly before sending the requests and routing
@@ -484,6 +507,7 @@ void CopyDevAddrToEndpoint(const OCDevAddr *in, CAEndpoint_t *out)
     out->adapter = (CATransportAdapter_t)in->adapter;
     out->flags = OCToCATransportFlags(in->flags);
     OICStrcpy(out->addr, sizeof(out->addr), in->addr);
+    OICStrcpy(out->remoteId, sizeof(out->remoteId), in->remoteId);
 #if defined (ROUTING_GATEWAY) || defined (ROUTING_EP)
     /* This assert is to prevent accidental mismatch between address size macros defined in
      * RI and CA and cause crash here. */
@@ -508,12 +532,14 @@ static OCStackResult OCSendRequest(const CAEndpoint_t *object, CARequestInfo_t *
 {
     VERIFY_NON_NULL(object, FATAL, OC_STACK_INVALID_PARAM);
     VERIFY_NON_NULL(requestInfo, FATAL, OC_STACK_INVALID_PARAM);
+    OIC_TRACE_BEGIN(%s:OCSendRequest, TAG);
 
 #if defined (ROUTING_GATEWAY) || defined (ROUTING_EP)
     OCStackResult rmResult = RMAddInfo(object->routeData, requestInfo, true, NULL);
     if (OC_STACK_OK != rmResult)
     {
         OIC_LOG(ERROR, TAG, "Add destination option failed");
+        OIC_TRACE_END();
         return rmResult;
     }
 #endif
@@ -524,8 +550,11 @@ static OCStackResult OCSendRequest(const CAEndpoint_t *object, CARequestInfo_t *
     if(CA_STATUS_OK != result)
     {
         OIC_LOG_V(ERROR, TAG, "CASendRequest failed with CA error %u", result);
+        OIC_TRACE_END();
         return CAResultToOCResult(result);
     }
+
+    OIC_TRACE_END();
     return OC_STACK_OK;
 }
 //-----------------------------------------------------------------------------
@@ -683,18 +712,36 @@ OCStackResult CAResponseToOCStackResult(CAResponseResult_t caCode)
         case CA_NOT_FOUND:
             ret = OC_STACK_NO_RESOURCE;
             break;
-        case CA_RETRANSMIT_TIMEOUT:
-            ret = OC_STACK_COMM_ERROR;
-            break;
         case CA_REQUEST_ENTITY_TOO_LARGE:
             ret = OC_STACK_TOO_LARGE_REQ;
             break;
+        case CA_METHOD_NOT_ALLOWED:
+            ret = OC_STACK_METHOD_NOT_ALLOWED;
+            break;
+        case CA_NOT_ACCEPTABLE:
+            ret = OC_STACK_NOT_ACCEPTABLE;
+            break;
         case CA_FORBIDDEN_REQ:
             ret = OC_STACK_FORBIDDEN_REQ;
             break;
         case CA_INTERNAL_SERVER_ERROR:
             ret = OC_STACK_INTERNAL_SERVER_ERROR;
             break;
+        case CA_NOT_IMPLEMENTED:
+            ret = OC_STACK_NOT_IMPLEMENTED;
+            break;
+        case CA_BAD_GATEWAY:
+            ret = OC_STACK_BAD_GATEWAY;
+            break;
+        case CA_SERVICE_UNAVAILABLE:
+            ret = OC_STACK_SERVICE_UNAVAILABLE;
+            break;
+        case CA_RETRANSMIT_TIMEOUT:
+            ret = OC_STACK_GATEWAY_TIMEOUT;
+            break;
+        case CA_PROXY_NOT_SUPPORTED:
+            ret = OC_STACK_PROXY_NOT_SUPPORTED;
+            break;
         default:
             break;
     }
@@ -750,6 +797,12 @@ CAResponseResult_t OCToCAStackResult(OCStackResult ocCode, OCMethod method)
         case OC_STACK_COMM_ERROR:
             ret = CA_RETRANSMIT_TIMEOUT;
             break;
+        case OC_STACK_METHOD_NOT_ALLOWED:
+            ret = CA_METHOD_NOT_ALLOWED;
+            break;
+        case OC_STACK_NOT_ACCEPTABLE:
+            ret = CA_NOT_ACCEPTABLE;
+            break;
         case OC_STACK_UNAUTHORIZED_REQ:
             ret = CA_UNAUTHORIZED_REQ;
             break;
@@ -759,6 +812,21 @@ CAResponseResult_t OCToCAStackResult(OCStackResult ocCode, OCMethod method)
         case OC_STACK_INTERNAL_SERVER_ERROR:
             ret = CA_INTERNAL_SERVER_ERROR;
             break;
+        case OC_STACK_NOT_IMPLEMENTED:
+            ret = CA_NOT_IMPLEMENTED;
+            break;
+        case OC_STACK_BAD_GATEWAY:
+            ret = CA_BAD_GATEWAY;
+            break;
+        case OC_STACK_SERVICE_UNAVAILABLE:
+            ret = CA_SERVICE_UNAVAILABLE;
+            break;
+        case OC_STACK_GATEWAY_TIMEOUT:
+            ret = CA_RETRANSMIT_TIMEOUT;
+            break;
+        case OC_STACK_PROXY_NOT_SUPPORTED:
+            ret = CA_PROXY_NOT_SUPPORTED;
+            break;
         default:
             break;
     }
@@ -786,6 +854,7 @@ OCTransportFlags CAToOCTransportFlags(CATransportFlags_t caFlags)
     return (OCTransportFlags)caFlags;
 }
 
+#ifdef WITH_PRESENCE
 static OCStackResult ResetPresenceTTL(ClientCB *cbNode, uint32_t maxAgeSeconds)
 {
     uint32_t lowerBound  = 0;
@@ -875,6 +944,7 @@ OCPresenceTrigger convertTriggerStringToEnum(const char * triggerStr)
         return OC_PRESENCE_TRIGGER_DELETE;
     }
 }
+#endif // WITH_PRESENCE
 
 OCStackResult OCEncodeAddressForRFC6874(char *outputAddress,
                                         size_t outputSize,
@@ -939,8 +1009,8 @@ OCStackResult OCEncodeAddressForRFC6874(char *outputAddress,
 
     // Restore the null terminator with an escaped '%' character, per RFC 6874
     OICStrcpy(outputAddress, scopeIdPart - addressPart, addressPart);
-    strcat(outputAddress, "%25");
-    strcat(outputAddress, scopeIdPart);
+    OICStrcat(outputAddress, outputSize, "%25");
+    OICStrcat(outputAddress, outputSize, scopeIdPart);
 
     return OC_STACK_OK;
 }
@@ -980,6 +1050,7 @@ OCStackResult OCDecodeAddressForRFC6874(char *outputAddress,
     return OC_STACK_OK;
 }
 
+#ifdef WITH_PRESENCE
 /**
  * The cononical presence allows constructed URIs to be string compared.
  *
@@ -1101,7 +1172,7 @@ OCStackResult HandlePresenceResponse(const CAEndpoint_t *endpoint,
     {
         return OC_STACK_INVALID_URI;
     }
-    OIC_LOG(ERROR, TAG, "check for unicast presence");
+    OIC_LOG(INFO, TAG, "check for unicast presence");
     cbNode = GetClientCB(NULL, 0, NULL, presenceUri);
     if (cbNode)
     {
@@ -1110,7 +1181,7 @@ OCStackResult HandlePresenceResponse(const CAEndpoint_t *endpoint,
     else
     {
         // check for multicast presence
-        OIC_LOG(ERROR, TAG, "check for multicast presence");
+        OIC_LOG(INFO, TAG, "check for multicast presence");
         cbNode = GetClientCB(NULL, 0, NULL, OC_RSRVD_PRESENCE_URI);
         if (cbNode)
         {
@@ -1120,7 +1191,8 @@ OCStackResult HandlePresenceResponse(const CAEndpoint_t *endpoint,
 
     if (!presenceSubscribe && !multicastPresenceSubscribe)
     {
-        OIC_LOG(ERROR, TAG, "Received a presence notification, but no callback, ignoring");
+        OIC_LOG(INFO, TAG, "Received a presence notification, "
+                "but need to register presence callback, ignoring");
         goto exit;
     }
 
@@ -1210,17 +1282,59 @@ exit:
     OCPayloadDestroy(response.payload);
     return result;
 }
+#endif // WITH_PRESENCE
+
+OCStackResult HandleBatchResponse(char *requestUri, OCRepPayload **payload)
+{
+    if (requestUri && *payload)
+    {
+        char *interfaceName = NULL;
+        char *rtTypeName = NULL;
+        char *uriQuery = NULL;
+        char *uriWithoutQuery = NULL;
+        if (OC_STACK_OK == getQueryFromUri(requestUri, &uriQuery, &uriWithoutQuery))
+        {
+            if (OC_STACK_OK == ExtractFiltersFromQuery(uriQuery, &interfaceName, &rtTypeName))
+            {
+                if (interfaceName && (0 == strcmp(OC_RSRVD_INTERFACE_BATCH, interfaceName)))
+                {
+                    char *uri = (*payload)->uri;
+                    if (uri && 0 != strcmp(uriWithoutQuery, uri))
+                    {
+                        OCRepPayload *newPayload = OCRepPayloadCreate();
+                        if (newPayload)
+                        {
+                            OCRepPayloadSetUri(newPayload, uri);
+                            newPayload->next = *payload;
+                            *payload = newPayload;
+                        }
+                    }
+                }
+            }
+        }
+
+        OICFree(interfaceName);
+        OICFree(rtTypeName);
+        OICFree(uriQuery);
+        OICFree(uriWithoutQuery);
+        return OC_STACK_OK;
+    }
+    return OC_STACK_INVALID_PARAM;
+}
 
 void OCHandleResponse(const CAEndpoint_t* endPoint, const CAResponseInfo_t* responseInfo)
 {
+    OIC_TRACE_MARK(%s:OCHandleResponse:%s, TAG, responseInfo->info.resourceUri);
     OIC_LOG(DEBUG, TAG, "Enter OCHandleResponse");
 
+#ifdef WITH_PRESENCE
     if(responseInfo->info.resourceUri &&
         strcmp(responseInfo->info.resourceUri, OC_RSRVD_PRESENCE_URI) == 0)
     {
         HandlePresenceResponse(endPoint, responseInfo);
         return;
     }
+#endif
 
     ClientCB *cbNode = GetClientCB(responseInfo->info.token,
             responseInfo->info.tokenLength, NULL, NULL);
@@ -1231,6 +1345,20 @@ void OCHandleResponse(const CAEndpoint_t* endPoint, const CAResponseInfo_t* resp
     if(cbNode)
     {
         OIC_LOG(INFO, TAG, "There is a cbNode associated with the response token");
+#ifdef __TIZENRT__
+        // check obs header option
+        bool obsHeaderOpt = false;
+        CAHeaderOption_t *options = responseInfo->info.options;
+        for (uint8_t i = 0; i< responseInfo->info.numOptions; i++)
+        {
+            if (options && options[i].protocolID == CA_COAP_ID &&
+                           options[i].optionID == COAP_OPTION_OBSERVE)
+            {
+                obsHeaderOpt = true;
+                break;
+            }
+        }
+#endif
         if(responseInfo->result == CA_EMPTY)
         {
             OIC_LOG(INFO, TAG, "Receiving A ACK/RESET for this token");
@@ -1252,7 +1380,7 @@ void OCHandleResponse(const CAEndpoint_t* endPoint, const CAResponseInfo_t* resp
                 {.devAddr = {.adapter = OC_DEFAULT_ADAPTER}};
             CopyEndpointToDevAddr(endPoint, &response.devAddr);
             FixUpClientResponse(&response);
-            response.resourceUri = responseInfo->info.resourceUri;
+            response.resourceUri = OICStrdup(responseInfo->info.resourceUri);
             memcpy(response.identity.id, responseInfo->info.identity.id,
                                                 sizeof (response.identity.id));
             response.identity.id_length = responseInfo->info.identity.id_length;
@@ -1261,18 +1389,42 @@ void OCHandleResponse(const CAEndpoint_t* endPoint, const CAResponseInfo_t* resp
             cbNode->callBack(cbNode->context,
                     cbNode->handle, &response);
             FindAndDeleteClientCB(cbNode);
+            OICFree(response.resourceUri);
+        }
+#ifdef __TIZENRT__
+        else if ((cbNode->method == OC_REST_OBSERVE || cbNode->method == OC_REST_OBSERVE_ALL)
+                && (responseInfo->result == CA_CONTENT) && !obsHeaderOpt)
+        {
+            OCClientResponse response =
+                {.devAddr = {.adapter = OC_DEFAULT_ADAPTER}};
+            CopyEndpointToDevAddr(endPoint, &response.devAddr);
+            FixUpClientResponse(&response);
+            response.resourceUri =  OICStrdup(responseInfo->info.resourceUri);
+            memcpy(response.identity.id, responseInfo->info.identity.id,
+                                    sizeof (response.identity.id));
+            response.identity.id_length = responseInfo->info.identity.id_length;
+            response.result = OC_STACK_UNAUTHORIZED_REQ;
+
+            cbNode->callBack(cbNode->context,
+                             cbNode->handle,
+                             &response);
+            FindAndDeleteClientCB(cbNode);
+            OICFree(response.resourceUri);
         }
+#endif
         else
         {
             OIC_LOG(INFO, TAG, "This is a regular response, A client call back is found");
             OIC_LOG(INFO, TAG, "Calling into application address space");
 
-            OCClientResponse response =
-                {.devAddr = {.adapter = OC_DEFAULT_ADAPTER}};
+            OCClientResponse response;
+            memset(&response, 0, sizeof(OCClientResponse));
+            response.devAddr.adapter = OC_DEFAULT_ADAPTER;
+
             response.sequenceNumber = MAX_SEQUENCE_NUMBER + 1;
             CopyEndpointToDevAddr(endPoint, &response.devAddr);
             FixUpClientResponse(&response);
-            response.resourceUri = responseInfo->info.resourceUri;
+            response.resourceUri = OICStrdup(responseInfo->info.resourceUri);
             memcpy(response.identity.id, responseInfo->info.identity.id,
                                                 sizeof (response.identity.id));
             response.identity.id_length = responseInfo->info.identity.id_length;
@@ -1330,6 +1482,7 @@ void OCHandleResponse(const CAEndpoint_t* endPoint, const CAResponseInfo_t* resp
                     {
                         OIC_LOG_V(ERROR, TAG, "Unknown Payload type in Discovery: %d %s",
                                 cbNode->method, cbNode->requestUri);
+                        OICFree(response.resourceUri);
                         return;
                     }
                 }
@@ -1367,17 +1520,27 @@ void OCHandleResponse(const CAEndpoint_t* endPoint, const CAResponseInfo_t* resp
                 {
                     OIC_LOG_V(ERROR, TAG, "Unknown Payload type: %d %s",
                             cbNode->method, cbNode->requestUri);
+                    OICFree(response.resourceUri);
                     return;
                 }
 
-                if(OC_STACK_OK != OCParsePayload(&response.payload,
+                // In case of error, still want application to receive the error message.
+                if (OCResultToSuccess(response.result) || PAYLOAD_TYPE_REPRESENTATION == type)
+                {
+                    if(OC_STACK_OK != OCParsePayload(&response.payload,
                             type,
                             responseInfo->info.payload,
                             responseInfo->info.payloadSize))
+                    {
+                        OIC_LOG(ERROR, TAG, "Error converting payload");
+                        OCPayloadDestroy(response.payload);
+                        OICFree(response.resourceUri);
+                        return;
+                    }
+                }
+                else
                 {
-                    OIC_LOG(ERROR, TAG, "Error converting payload");
-                    OCPayloadDestroy(response.payload);
-                    return;
+                    response.resourceUri = OICStrdup(cbNode->requestUri);
                 }
             }
 
@@ -1412,6 +1575,7 @@ void OCHandleResponse(const CAEndpoint_t* endPoint, const CAResponseInfo_t* resp
                 {
                     OIC_LOG(ERROR, TAG, "#header options are more than MAX_HEADER_OPTIONS");
                     OCPayloadDestroy(response.payload);
+                    OICFree(response.resourceUri);
                     return;
                 }
 
@@ -1436,13 +1600,52 @@ void OCHandleResponse(const CAEndpoint_t* endPoint, const CAResponseInfo_t* resp
             else
             {
 #ifdef RD_CLIENT
-                // if request uri is '/oic/rd', update ins value of resource.
-                char *targetUri = strstr(cbNode->requestUri, OC_RSRVD_RD_URI);
-                if (targetUri)
+                if (cbNode->requestUri)
+                {
+                    // if request uri is '/oic/rd', update ins value of resource.
+                    char *targetUri = strstr(cbNode->requestUri, OC_RSRVD_RD_URI);
+                    if (targetUri)
+                    {
+                        OCUpdateResourceInsWithResponse(cbNode->requestUri, &response);
+                    }
+                }
+#endif
+                // set remoteID(device ID) into OCClientResponse callback parameter
+                if (OC_REST_DISCOVER == cbNode->method)
                 {
-                    OCUpdateResourceInsWithResponse(cbNode->requestUri, &response);
+                    OIC_LOG(INFO, TAG, "cbNode method is OC_REST_DISCOVER");
+                    OCDiscoveryPayload *payload = (OCDiscoveryPayload*) response.payload;
+                    // Payload can be empty in case of error message.
+                    if (payload && payload->sid)
+                    {
+                        OICStrcpy(response.devAddr.remoteId, sizeof(response.devAddr.remoteId),
+                                  payload->sid);
+                        OIC_LOG_V(INFO_PRIVATE, TAG, "Device ID of response : %s",
+                                  response.devAddr.remoteId);
+                    }
+
+                    if(NULL == response.resourceUri)
+                    {
+                        response.resourceUri = OICStrdup(cbNode->requestUri);
+                    }
+                }
+#ifdef TCP_ADAPTER
+                if (cbNode->requestUri)
+                {
+                    OIC_LOG_V(INFO, TAG, "cbNode requestUri is %s", cbNode->requestUri);
+                    if (cbNode->method == OC_REST_POST &&
+                            strcmp(cbNode->requestUri, OC_RSRVD_KEEPALIVE_URI) == 0)
+                    {
+                        OCHandleKeepAliveResponse(endPoint, response.payload);
+                    }
                 }
 #endif
+                if (response.payload && response.payload->type == PAYLOAD_TYPE_REPRESENTATION)
+                {
+                    OIC_LOG(INFO, TAG, "Handle batch response");
+                    HandleBatchResponse(cbNode->requestUri, (OCRepPayload **)&response.payload);
+                }
+
                 OCStackApplicationResult appFeedback = cbNode->callBack(cbNode->context,
                                                                         cbNode->handle,
                                                                         &response);
@@ -1463,10 +1666,15 @@ void OCHandleResponse(const CAEndpoint_t* endPoint, const CAResponseInfo_t* resp
             //Need to send ACK when the response is CON
             if(responseInfo->info.type == CA_MSG_CONFIRM)
             {
-                SendDirectStackResponse(endPoint, responseInfo->info.messageId, CA_EMPTY,
+                if (!(endPoint->adapter & CA_ADAPTER_TCP))
+                {
+                    OIC_LOG(INFO, TAG, "Received a confirmable message. Sending EMPTY");
+                    SendDirectStackResponse(endPoint, responseInfo->info.messageId, CA_EMPTY,
                         CA_MSG_ACKNOWLEDGE, 0, NULL, NULL, 0, NULL, CA_RESPONSE_FOR_RES);
+                }
             }
 
+            OICFree(response.resourceUri);
             OCPayloadDestroy(response.payload);
         }
         return;
@@ -1512,9 +1720,13 @@ void OCHandleResponse(const CAEndpoint_t* endPoint, const CAResponseInfo_t* resp
             }
             else
             {
-                OIC_LOG(INFO, TAG, "Received a message without callbacks. Sending RESET");
-                SendDirectStackResponse(endPoint, responseInfo->info.messageId, CA_EMPTY,
-                                        CA_MSG_RESET, 0, NULL, NULL, 0, NULL, CA_RESPONSE_FOR_RES);
+                if (!(endPoint->adapter & CA_ADAPTER_TCP))
+                {
+                    OIC_LOG(INFO, TAG, "Received a message without callbacks. Sending RESET");
+                    SendDirectStackResponse(endPoint, responseInfo->info.messageId, CA_EMPTY,
+                                            CA_MSG_RESET, 0, NULL, NULL, 0, NULL,
+                                            CA_RESPONSE_FOR_RES);
+                }
             }
         }
 
@@ -1544,6 +1756,7 @@ void HandleCAResponses(const CAEndpoint_t* endPoint, const CAResponseInfo_t* res
     VERIFY_NON_NULL_NR(responseInfo, FATAL);
 
     OIC_LOG(INFO, TAG, "Enter HandleCAResponses");
+    OIC_TRACE_BEGIN(%s:HandleCAResponses, TAG);
 
 #if defined (ROUTING_GATEWAY) || defined (ROUTING_EP)
 #ifdef ROUTING_GATEWAY
@@ -1559,6 +1772,7 @@ void HandleCAResponses(const CAEndpoint_t* endPoint, const CAResponseInfo_t* res
     if(ret != OC_STACK_OK || !needRIHandling)
     {
         OIC_LOG_V(INFO, TAG, "Routing status![%d]. Not forwarding to RI", ret);
+        OIC_TRACE_END();
         return;
     }
 #endif
@@ -1574,7 +1788,7 @@ void HandleCAResponses(const CAEndpoint_t* endPoint, const CAResponseInfo_t* res
 #endif
 
     OCHandleResponse(endPoint, responseInfo);
-
+    OIC_TRACE_END();
     OIC_LOG(INFO, TAG, "Exit HandleCAResponses");
 }
 
@@ -1588,6 +1802,7 @@ void HandleCAErrorResponse(const CAEndpoint_t *endPoint, const CAErrorInfo_t *er
     VERIFY_NON_NULL_NR(errorInfo, FATAL);
 
     OIC_LOG(INFO, TAG, "Enter HandleCAErrorResponse");
+    OIC_TRACE_BEGIN(%s:HandleCAErrorResponse, TAG);
 
     ClientCB *cbNode = GetClientCB(errorInfo->info.token,
                                    errorInfo->info.tokenLength, NULL, NULL);
@@ -1619,6 +1834,7 @@ void HandleCAErrorResponse(const CAEndpoint_t *endPoint, const CAErrorInfo_t *er
     }
 
     OIC_LOG(INFO, TAG, "Exit HandleCAErrorResponse");
+    OIC_TRACE_END();
 }
 
 /*
@@ -1633,9 +1849,14 @@ OCStackResult SendDirectStackResponse(const CAEndpoint_t* endPoint, const uint16
         CADataType_t dataType)
 {
     OIC_LOG(DEBUG, TAG, "Entering SendDirectStackResponse");
-    CAResponseInfo_t respInfo = {
-        .result = responseResult
-    };
+
+    if (endPoint->flags & CA_MULTICAST)
+    {
+        OIC_LOG(ERROR, TAG, "It is unnecessary to respond to a multicast request");
+        return OC_STACK_OK;
+    }
+
+    CAResponseInfo_t respInfo = { .result = responseResult };
     respInfo.info.messageId = coapID;
     respInfo.info.numOptions = numOptions;
 
@@ -1795,6 +2016,7 @@ OCStackResult HandleStackRequests(OCServerProtocolRequest * protocolRequest)
 
 void OCHandleRequests(const CAEndpoint_t* endPoint, const CARequestInfo_t* requestInfo)
 {
+    OIC_TRACE_MARK(%s:OCHandleRequests:%s, TAG, requestInfo->info.resourceUri);
     OIC_LOG(DEBUG, TAG, "Enter OCHandleRequests");
 
     OCStackResult requestResult = OC_STACK_ERROR;
@@ -1983,11 +2205,25 @@ void OCHandleRequests(const CAEndpoint_t* endPoint, const CARequestInfo_t* reque
                                     CA_RESPONSE_DATA);
         }
     }
+#ifndef __TIZENRT__
     if (requestResult == OC_STACK_RESOURCE_ERROR
             && serverRequest.observationOption == OC_OBSERVE_REGISTER)
     {
         OIC_LOG_V(ERROR, TAG, "Observe Registration failed due to resource error");
     }
+#else
+    if (serverRequest.observationOption == OC_OBSERVE_REGISTER)
+    {
+        if (requestResult == OC_STACK_RESOURCE_ERROR)
+        {
+            OIC_LOG_V(ERROR, TAG, "Observe Registration failed due to resource error");
+        }
+        else if (!OCResultToSuccess(requestResult))
+        {
+            DeleteObserverUsingToken(requestInfo->info.token, requestInfo->info.tokenLength);
+        }
+    }
+#endif
     else if(!OCResultToSuccess(requestResult))
     {
         OIC_LOG_V(ERROR, TAG, "HandleStackRequests failed. error: %d", requestResult);
@@ -2012,15 +2248,18 @@ void OCHandleRequests(const CAEndpoint_t* endPoint, const CARequestInfo_t* reque
 void HandleCARequests(const CAEndpoint_t* endPoint, const CARequestInfo_t* requestInfo)
 {
     OIC_LOG(INFO, TAG, "Enter HandleCARequests");
+    OIC_TRACE_BEGIN(%s:HandleCARequests, TAG);
     if(!endPoint)
     {
         OIC_LOG(ERROR, TAG, "endPoint is NULL");
+        OIC_TRACE_END();
         return;
     }
 
     if(!requestInfo)
     {
         OIC_LOG(ERROR, TAG, "requestInfo is NULL");
+        OIC_TRACE_END();
         return;
     }
 
@@ -2040,6 +2279,7 @@ void HandleCARequests(const CAEndpoint_t* endPoint, const CARequestInfo_t* reque
     if(OC_STACK_OK != ret || !needRIHandling)
     {
         OIC_LOG_V(INFO, TAG, "Routing status![%d]. Not forwarding to RI", ret);
+        OIC_TRACE_END();
         return;
     }
 #endif
@@ -2075,6 +2315,7 @@ void HandleCARequests(const CAEndpoint_t* endPoint, const CARequestInfo_t* reque
         OCHandleRequests(endPoint, requestInfo);
     }
     OIC_LOG(INFO, TAG, "Exit HandleCARequests");
+    OIC_TRACE_END();
 }
 
 //-----------------------------------------------------------------------------
@@ -2107,6 +2348,13 @@ OCStackResult OCInit(const char *ipAddr, uint16_t port, OCMode mode)
 
 OCStackResult OCInit1(OCMode mode, OCTransportFlags serverFlags, OCTransportFlags clientFlags)
 {
+    OIC_LOG(DEBUG, TAG, "call OCInit1");
+    return OCInit2(mode, OC_DEFAULT_FLAGS, OC_DEFAULT_FLAGS, OC_DEFAULT_ADAPTER);
+}
+
+OCStackResult OCInit2(OCMode mode, OCTransportFlags serverFlags, OCTransportFlags clientFlags,
+                      OCTransportAdapter transportType)
+{
     if(stackState == OC_STACK_INITIALIZED)
     {
         OIC_LOG(INFO, TAG, "Subsequent calls to OCInit() without calling \
@@ -2168,10 +2416,10 @@ OCStackResult OCInit1(OCMode mode, OCTransportFlags serverFlags, OCTransportFlag
     result = InitializeScheduleResourceList();
     VERIFY_SUCCESS(result, OC_STACK_OK);
 
-    result = CAResultToOCResult(CAInitialize());
+    result = CAResultToOCResult(CAInitialize((CATransportAdapter_t)transportType));
     VERIFY_SUCCESS(result, OC_STACK_OK);
 
-    result = CAResultToOCResult(OCSelectNetwork());
+    result = CAResultToOCResult(OCSelectNetwork(transportType));
     VERIFY_SUCCESS(result, OC_STACK_OK);
 
     result = CAResultToOCResult(CARegisterNetworkMonitorHandler(
@@ -2203,7 +2451,7 @@ OCStackResult OCInit1(OCMode mode, OCTransportFlags serverFlags, OCTransportFlag
     VERIFY_SUCCESS(result, OC_STACK_OK);
 
 #ifdef TCP_ADAPTER
-    CARegisterKeepAliveHandler(HandleKeepAliveConnCB);
+    CARegisterKeepAliveHandler(OCHandleKeepAliveConnCB);
 #endif
 
 #ifdef WITH_PRESENCE
@@ -2238,7 +2486,7 @@ OCStackResult OCInit1(OCMode mode, OCTransportFlags serverFlags, OCTransportFlag
 #ifdef TCP_ADAPTER
     if (result == OC_STACK_OK)
     {
-        result = InitializeKeepAlive(myStackMode);
+        result = OCInitializeKeepAlive(myStackMode);
     }
 #endif
 
@@ -2265,10 +2513,14 @@ OCStackResult OCStop()
     }
     else if (stackState != OC_STACK_INITIALIZED)
     {
-        OIC_LOG(ERROR, TAG, "Stack not initialized");
+        OIC_LOG(INFO, TAG, "Stack not initialized");
         return OC_STACK_ERROR;
     }
 
+    // unset cautil config
+    CAUtilConfig_t configs = {(CATransportBTFlags_t)CA_DEFAULT_BT_FLAGS};
+    CAUtilSetBTConfigure(configs);
+
     stackState = OC_STACK_UNINIT_IN_PROGRESS;
 
     CAUnregisterNetworkMonitorHandler(OCDefaultAdapterStateChangedHandler,
@@ -2289,7 +2541,7 @@ OCStackResult OCStop()
 #endif
 
 #ifdef TCP_ADAPTER
-    TerminateKeepAlive(myStackMode);
+    OCTerminateKeepAlive(myStackMode);
 #endif
 
     TerminateScheduleResourceList();
@@ -2351,28 +2603,12 @@ CAMessageType_t qualityOfServiceToMessageType(OCQualityOfService qos)
     }
 }
 
-/**
- *  A request uri consists of the following components in order:
- *                              example
- *  optionally one of
- *      CoAP over UDP prefix    "coap://"
- *      CoAP over TCP prefix    "coap+tcp://"
- *      CoAP over DTLS prefix   "coaps://"
- *      CoAP over TLS prefix    "coaps+tcp://"
- *  optionally one of
- *      IPv6 address            "[1234::5678]"
- *      IPv4 address            "192.168.1.1"
- *  optional port               ":5683"
- *  resource uri                "/oc/core..."
- *
- *  for PRESENCE requests, extract resource type.
- */
-static OCStackResult ParseRequestUri(const char *fullUri,
-                                        OCTransportAdapter adapter,
-                                        OCTransportFlags flags,
-                                        OCDevAddr **devAddr,
-                                        char **resourceUri,
-                                        char **resourceType)
+OCStackResult ParseRequestUri(const char *fullUri,
+                              OCTransportAdapter adapter,
+                              OCTransportFlags flags,
+                              OCDevAddr **devAddr,
+                              char **resourceUri,
+                              char **resourceType)
 {
     VERIFY_NON_NULL(fullUri, FATAL, OC_STACK_INVALID_CALLBACK);
 
@@ -2547,7 +2783,7 @@ static OCStackResult ParseRequestUri(const char *fullUri,
                 result = OC_STACK_NO_MEMORY;
                 goto error;
             }
-            strcpy(*resourceUri, slash);
+            OICStrcpy(*resourceUri, (ulen + 1), slash);
         }
         // resource type
         if (type && resourceType)
@@ -2582,6 +2818,7 @@ error:
     return result;
 }
 
+#ifdef WITH_PRESENCE
 static OCStackResult OCPreparePresence(CAEndpoint_t *endpoint,
                                        char **requestUri,
                                        bool isMulticast)
@@ -2598,6 +2835,7 @@ static OCStackResult OCPreparePresence(CAEndpoint_t *endpoint,
 
     return OC_STACK_OK;
 }
+#endif // WITH_PRESENCE
 
 /**
  * Discover or Perform requests on a specified resource
@@ -2613,7 +2851,30 @@ OCStackResult OCDoResource(OCDoHandle *handle,
                             OCHeaderOption *options,
                             uint8_t numOptions)
 {
+    OCStackResult ret = OCDoRequest(handle, method, requestUri,destination, payload,
+                connectivityType, qos, cbData, options, numOptions);
+
+    // This is the owner of the payload object, so we free it
+    OCPayloadDestroy(payload);
+    return ret;
+}
+
+/**
+ * Discover or Perform requests on a specified resource
+ */
+OCStackResult OCDoRequest(OCDoHandle *handle,
+                            OCMethod method,
+                            const char *requestUri,
+                            const OCDevAddr *destination,
+                            OCPayload* payload,
+                            OCConnectivityType connectivityType,
+                            OCQualityOfService qos,
+                            OCCallbackData *cbData,
+                            OCHeaderOption *options,
+                            uint8_t numOptions)
+{
     OIC_LOG(INFO, TAG, "Entering OCDoResource");
+    OIC_TRACE_BEGIN(%s:OCDoRequest, TAG);
 
     // Validate input parameters
     VERIFY_NON_NULL(cbData, FATAL, OC_STACK_INVALID_CALLBACK);
@@ -2675,7 +2936,6 @@ OCStackResult OCDoResource(OCDoHandle *handle,
         requestInfo.method = CA_DELETE;
         break;
     case OC_REST_DISCOVER:
-        qos = OC_LOW_QOS;
 #ifdef WITH_PRESENCE
     case OC_REST_PRESENCE:
 #endif
@@ -2689,6 +2949,7 @@ OCStackResult OCDoResource(OCDoHandle *handle,
             tmpDevAddr.flags = flags;
             destination = &tmpDevAddr;
             requestInfo.isMulticast = true;
+            qos = OC_LOW_QOS;
         }
         // OC_REST_DISCOVER: CA_DISCOVER will become GET and isMulticast.
         // OC_REST_PRESENCE: Since "presence" is a stack layer only implementation.
@@ -2716,9 +2977,20 @@ OCStackResult OCDoResource(OCDoHandle *handle,
             result = OC_STACK_NO_MEMORY;
             goto exit;
         }
+        OIC_LOG(DEBUG, TAG, "devAddr is set as destination");
         *devAddr = *destination;
     }
 
+    if (devAddr)
+    {
+        OIC_LOG_V(INFO_PRIVATE, TAG, "remoteId of devAddr : %s", devAddr->remoteId);
+        if (!requestInfo.isMulticast)
+        {
+            OIC_LOG_V(DEBUG, TAG, "remoteAddr of devAddr : [%s]:[%d]",
+                      devAddr->addr, devAddr->port);
+        }
+    }
+
     resHandle = GenerateInvocationHandle();
     if (!resHandle)
     {
@@ -2855,13 +3127,12 @@ exit:
         OICFree(resHandle);
     }
 
-    // This is the owner of the payload object, so we free it
-    OCPayloadDestroy(payload);
     OICFree(requestInfo.info.payload);
     OICFree(devAddr);
     OICFree(resourceUri);
     OICFree(resourceType);
     OICFree(requestInfo.info.options);
+    OIC_TRACE_END();
     return result;
 }
 
@@ -2955,6 +3226,14 @@ OCStackResult OCCancel(OCDoHandle handle, OCQualityOfService qos, OCHeaderOption
             FindAndDeleteClientCB(clientCB);
             break;
 #endif
+        case OC_REST_GET:
+        case OC_REST_PUT:
+        case OC_REST_POST:
+        case OC_REST_DELETE:
+            OIC_LOG_V(INFO, TAG, "Cancelling request callback for resource %s",
+                                           clientCB->requestUri);
+            FindAndDeleteClientCB(clientCB);
+            break;
 
         default:
             ret = OC_STACK_INVALID_METHOD;
@@ -3093,6 +3372,11 @@ exit:
 
 OCStackResult OCProcess()
 {
+    if (stackState == OC_STACK_UNINITIALIZED)
+    {
+        OIC_LOG(ERROR, TAG, "OCProcess has failed. ocstack is not initialized");
+        return OC_STACK_ERROR;
+    }
 #ifdef WITH_PRESENCE
     OCProcessPresence();
 #endif
@@ -3103,7 +3387,7 @@ OCStackResult OCProcess()
 #endif
 
 #ifdef TCP_ADAPTER
-    ProcessKeepAlive();
+    OCProcessKeepAlive();
 #endif
     return OC_STACK_OK;
 }
@@ -3131,7 +3415,9 @@ OCStackResult OCStartPresence(const uint32_t ttl)
     {
         presenceResource.presenceTTL = ttl;
     }
+#ifndef __TIZENRT__
     OIC_LOG_V(DEBUG, TAG, "Presence TTL is %" PRIu32 " seconds", presenceResource.presenceTTL);
+#endif
 
     if (OC_PRESENCE_UNINITIALIZED == presenceState)
     {
@@ -3467,8 +3753,11 @@ OCStackResult OCUnBindResource(
             {
                 OCChildResource *temp = tempChildResource->next;
                 OICFree(tempChildResource);
-                tempLastChildResource->next = temp;
-                temp = NULL;
+                if (tempLastChildResource)
+                {
+                    tempLastChildResource->next = temp;
+                    temp = NULL;
+                }
             }
 
             OIC_LOG(INFO, TAG, "resource unbound");
@@ -4035,6 +4324,7 @@ OCNotifyListOfObservers (OCResourceHandle handle,
 
 OCStackResult OCDoResponse(OCEntityHandlerResponse *ehResponse)
 {
+    OIC_TRACE_BEGIN(%s:OCDoResponse, TAG);
     OCStackResult result = OC_STACK_ERROR;
     OCServerRequest *serverRequest = NULL;
 
@@ -4053,6 +4343,7 @@ OCStackResult OCDoResponse(OCEntityHandlerResponse *ehResponse)
         result = serverRequest->ehResponseHandler(ehResponse);
     }
 
+    OIC_TRACE_END();
     return result;
 }
 
@@ -4310,12 +4601,12 @@ OCStackResult deleteResource(OCResource *resource)
                 headResource = temp->next;
             }
             // Deleting tail.
-            else if (temp == tailResource)
+            else if (temp == tailResource && prev)
             {
                 tailResource = prev;
                 tailResource->next = NULL;
             }
-            else
+            else if (prev)
             {
                 prev->next = temp->next;
             }
@@ -4341,37 +4632,77 @@ void deleteResourceElements(OCResource *resource)
         return;
     }
 
-    OICFree(resource->uri);
-    deleteResourceType(resource->rsrcType);
-    deleteResourceInterface(resource->rsrcInterface);
-    OCDeleteResourceAttributes(resource->rsrcAttributes);
+    if (resource->uri)
+    {
+        OICFree(resource->uri);
+        resource->uri = NULL;
+    }
+    if (resource->rsrcType)
+    {
+        deleteResourceType(resource->rsrcType);
+        resource->rsrcType = NULL;
+    }
+    if (resource->rsrcInterface)
+    {
+        deleteResourceInterface(resource->rsrcInterface);
+        resource->rsrcInterface = NULL;
+    }
+    if (resource->rsrcChildResourcesHead)
+    {
+        deleteResourceChild(resource->rsrcChildResourcesHead);
+        resource->rsrcChildResourcesHead = NULL;
+    }
+    if (resource->rsrcAttributes)
+    {
+        OCDeleteResourceAttributes(resource->rsrcAttributes);
+        resource->rsrcAttributes = NULL;
+    }
+    resource = NULL;
 }
 
 void deleteResourceType(OCResourceType *resourceType)
 {
-    OCResourceType *pointer = resourceType;
     OCResourceType *next = NULL;
 
-    while (pointer)
+    for (OCResourceType *pointer = resourceType; pointer; pointer = next)
     {
-        next = pointer->next;
-        OICFree(pointer->resourcetypename);
+        next = pointer->next ? pointer->next : NULL;
+        if (pointer->resourcetypename)
+        {
+            OICFree(pointer->resourcetypename);
+            pointer->resourcetypename = NULL;
+        }
         OICFree(pointer);
-        pointer = next;
     }
 }
 
 void deleteResourceInterface(OCResourceInterface *resourceInterface)
 {
-    OCResourceInterface *pointer = resourceInterface;
     OCResourceInterface *next = NULL;
+    for (OCResourceInterface *pointer = resourceInterface; pointer; pointer = next)
+    {
+        next = pointer->next ? pointer->next : NULL;
+        if (pointer->name)
+        {
+            OICFree(pointer->name);
+            pointer->name = NULL;
+        }
+        OICFree(pointer);
+    }
+}
 
-    while (pointer)
+void deleteResourceChild(OCChildResource *resourceChild)
+{
+    OCChildResource *next = NULL;
+    for (OCChildResource *pointer = resourceChild; pointer; pointer = next)
     {
-        next = pointer->next;
-        OICFree(pointer->name);
+        next = pointer->next ? pointer->next : NULL;
+        if (pointer->rsrcResource)
+        {
+            deleteResourceElements(pointer->rsrcResource);
+            pointer->rsrcResource = NULL;
+        }
         OICFree(pointer);
-        pointer = next;
     }
 }
 
@@ -4380,16 +4711,22 @@ void OCDeleteResourceAttributes(OCAttribute *rsrcAttributes)
     OCAttribute *next = NULL;
     for (OCAttribute *pointer = rsrcAttributes; pointer; pointer = next)
     {
-        next = pointer->next;
+        next = pointer->next ? pointer->next : NULL;
         if (pointer->attrName && 0 == strcmp(OC_RSRVD_DATA_MODEL_VERSION, pointer->attrName))
         {
             OCFreeOCStringLL((OCStringLL *)pointer->attrValue);
+            pointer->attrValue = NULL;
         }
-        else
+        else if (pointer->attrValue)
         {
             OICFree(pointer->attrValue);
+            pointer->attrValue = NULL;
+        }
+        if (pointer->attrName)
+        {
+            OICFree(pointer->attrName);
+            pointer->attrName = NULL;
         }
-        OICFree(pointer->attrName);
         OICFree(pointer);
     }
 }
@@ -4649,47 +4986,28 @@ OCStackResult getQueryFromUri(const char * uri, char** query, char ** uriWithout
         return OC_STACK_NO_MEMORY;
 }
 
-static const OicUuid_t* OCGetServerInstanceID(void)
-{
-    static bool generated = false;
-    static OicUuid_t sid;
-    if (generated)
-    {
-        return &sid;
-    }
-
-    if (OC_STACK_OK != GetDoxmDeviceID(&sid))
-    {
-        OIC_LOG(FATAL, TAG, "Generate UUID for Server Instance failed!");
-        return NULL;
-    }
-    generated = true;
-    return &sid;
-}
-
 const char* OCGetServerInstanceIDString(void)
 {
-    static bool generated = false;
     static char sidStr[UUID_STRING_SIZE];
-
-    if (generated)
+    OicUuid_t sid;
+    if (OC_STACK_OK != GetDoxmDeviceID(&sid))
     {
-        return sidStr;
+        OIC_LOG(FATAL, TAG, "GetDoxmDeviceID failed!");
+        return NULL;
     }
 
-    const OicUuid_t *sid = OCGetServerInstanceID();
-    if (sid && OCConvertUuidToString(sid->id, sidStr) != RAND_UUID_OK)
+    if (OCConvertUuidToString(sid.id, sidStr) != RAND_UUID_OK)
     {
         OIC_LOG(FATAL, TAG, "Generate UUID String for Server Instance failed!");
         return NULL;
     }
 
-    generated = true;
     return sidStr;
 }
 
-CAResult_t OCSelectNetwork()
+CAResult_t OCSelectNetwork(OCTransportAdapter transportType)
 {
+    OIC_LOG_V(DEBUG, TAG, "OCSelectNetwork [%d]", transportType);
     CAResult_t retResult = CA_STATUS_FAILED;
     CAResult_t caResult = CA_STATUS_OK;
 
@@ -4713,11 +5031,19 @@ CAResult_t OCSelectNetwork()
         // If CA status is not initialized, CASelectNetwork() will not be called.
         if (caResult != CA_STATUS_NOT_INITIALIZED)
         {
-           caResult = CASelectNetwork(connTypes[i]);
-           if (caResult == CA_STATUS_OK)
-           {
-               retResult = CA_STATUS_OK;
-           }
+            if ((connTypes[i] & transportType) || (OC_DEFAULT_ADAPTER == transportType))
+            {
+                OIC_LOG_V(DEBUG, TAG, "call CASelectNetwork [%d]", connTypes[i]);
+                caResult = CASelectNetwork(connTypes[i]);
+                if (caResult == CA_STATUS_OK)
+                {
+                    retResult = CA_STATUS_OK;
+                }
+            }
+            else
+            {
+                OIC_LOG_V(DEBUG, TAG, "there is no transport type [%d]", connTypes[i]);
+            }
         }
     }
 
@@ -4790,7 +5116,7 @@ OCStackResult OCSetProxyURI(const char *uri)
 #endif
 
 #if defined(RD_CLIENT) || defined(RD_SERVER)
-OCStackResult OCBindResourceInsToResource(OCResourceHandle handle, uint8_t ins)
+OCStackResult OCBindResourceInsToResource(OCResourceHandle handle, int64_t ins)
 {
     VERIFY_NON_NULL(handle, ERROR, OC_STACK_INVALID_PARAM);
 
@@ -4894,13 +5220,13 @@ OCStackResult OCUpdateResourceInsWithResponse(const char *requestUri,
                  query = strstr(query, OC_RSRVD_INS);
                  if (query)
                  {
-                     uint8_t queryIns = atoi(query + 4);
+                     int64_t queryIns = atoi(query + 4);
                      for (uint8_t i = 0; i < numResources; i++)
                      {
                          OCResourceHandle resHandle = OCGetResourceHandle(i);
                          if (resHandle)
                          {
-                             uint8_t resIns = 0;
+                             int64_t resIns = 0;
                              OCGetResourceIns(resHandle, &resIns);
                              if (queryIns && queryIns == resIns)
                              {
@@ -4941,7 +5267,7 @@ OCResourceHandle OCGetResourceHandleAtUri(const char *uri)
     return NULL;
 }
 
-OCStackResult OCGetResourceIns(OCResourceHandle handle, uint8_t *ins)
+OCStackResult OCGetResourceIns(OCResourceHandle handle, int64_t *ins)
 {
     OCResource *resource = NULL;
 
@@ -5109,3 +5435,137 @@ OCStackResult OCSetDeviceId(const OCUUIdentity *deviceId)
     ret = SetDoxmDeviceID(&oicUuid);
     return ret;
 }
+
+OCStackResult OCGetDeviceOwnedState(bool *isOwned)
+{
+    bool isDeviceOwned = true;
+    OCStackResult ret = OC_STACK_ERROR;
+
+    ret = GetDoxmIsOwned(&isDeviceOwned);
+    if (OC_STACK_OK == ret)
+    {
+        *isOwned = isDeviceOwned;
+    }
+    else
+    {
+        OIC_LOG(ERROR, TAG, "Device Owned State Get error");
+    }
+    return ret;
+}
+
+void OCClearCallBackList()
+{
+    DeleteClientCBList();
+}
+
+void OCClearObserverlist()
+{
+    DeleteObserverList();
+}
+
+int OCEncrypt(const unsigned char *pt, size_t pt_len,
+        unsigned char **ct, size_t *ct_len)
+{
+#ifndef __SECURE_PSI__
+    OIC_LOG_V(DEBUG, TAG, "Not Supported : %s", __func__);
+    return 0;
+#else
+    OIC_LOG_V(DEBUG, TAG, "%s", __func__);
+
+    return psiEncrypt(pt, pt_len, ct, ct_len);
+#endif // __SECURE_PSI__
+}
+
+int OCDecrypt(const unsigned char *ct, size_t ct_len,
+        unsigned char **pt, size_t *pt_len)
+{
+#ifndef __SECURE_PSI__
+    OIC_LOG_V(DEBUG, TAG, "Not Supported : %s", __func__);
+    return 0;
+#else
+    OIC_LOG_V(DEBUG, TAG, "%s", __func__);
+
+    return psiDecrypt(ct, ct_len, pt, pt_len);
+#endif // __SECURE_PSI__
+}
+
+OCStackResult OCSetKey(const unsigned char* key)
+{
+#ifndef __SECURE_PSI__
+    OIC_LOG_V(DEBUG, TAG, "Not Supported : %s", __func__);
+    return OC_STACK_OK;
+#else
+    OIC_LOG_V(DEBUG, TAG, "%s", __func__);
+
+    return psiSetKey(key);
+#endif // __SECURE_PSI__
+}
+
+OCStackResult OCGetKey(unsigned char* key)
+{
+#ifndef __SECURE_PSI__
+    OIC_LOG_V(DEBUG, TAG, "Not Supported : %s", __func__);
+    return OC_STACK_OK;
+#else
+    OIC_LOG_V(DEBUG, TAG, "%s", __func__);
+
+    return psiGetKey(key);
+#endif // __SECURE_PSI__
+}
+
+OCStackResult OCSetSecurePSI(const unsigned char *key, const OCPersistentStorage *psPlain,
+        const OCPersistentStorage *psEnc, const OCPersistentStorage *psRescue)
+{
+#ifndef __SECURE_PSI__
+    OIC_LOG_V(DEBUG, TAG, "Not Supported : %s", __func__);
+    return OC_STACK_OK;
+#else
+    OIC_LOG_V(DEBUG, TAG, "%s", __func__);
+
+    return setSecurePSI(key, psPlain, psEnc, psRescue);
+#endif // __SECURE_PSI__
+}
+
+#if defined(__WITH_DTLS__) || defined (__WITH_TLS__)
+static void OtmEventHandler(const char *addr, uint16_t port, const char *uuid, int event)
+{
+    if (g_otmEventHandler.cb)
+    {
+        g_otmEventHandler.cb(g_otmEventHandler.ctx, addr, port, uuid, event);
+    }
+}
+
+/* TODO Work-around
+ * It is already declared in srmutility.h.
+ * We can't include the header file, because of "redefined VERIFY_NON_NULL"
+ */
+typedef void (*OicSecOtmEventHandler_t)(const char* addr, uint16_t port,
+        const char* uuid, int event);
+void SetOtmEventHandler(OicSecOtmEventHandler_t otmEventHandler);
+#endif
+
+OCStackResult OCSetOtmEventHandler(void *ctx, OCOtmEventHandler cb)
+{
+#if defined(__WITH_DTLS__) || defined (__WITH_TLS__)
+    OIC_LOG_V(DEBUG, TAG, "%s", __func__);
+
+    g_otmEventHandler.cb = cb;
+    g_otmEventHandler.ctx = ctx;
+
+    if (g_otmEventHandler.cb)
+    {
+        OIC_LOG(DEBUG, TAG, "SET OCOtmEventHandler");
+        SetOtmEventHandler(OtmEventHandler);
+    }
+    else
+    {
+        OIC_LOG(DEBUG, TAG, "UNSET OCOtmEventHandler");
+        SetOtmEventHandler(NULL);
+    }
+#else
+    OIC_LOG_V(DEBUG, TAG, "Not Supported : %s", __func__);
+    OC_UNUSED(ctx);
+    OC_UNUSED(cb);
+#endif
+    return OC_STACK_OK;
+}