resourcehandler.c

//******************************************************************
//
// Copyright 2015 Samsung Electronics All Rights Reserved.
//
//-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//      http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
//-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=

#include "resourcehandler.h"

#include "ocpayload.h"
#include "oic_string.h"
#include "oic_malloc.h"
#include "cautilinterface.h"

/**
 * @var ES_RH_TAG
 * @brief Logging tag for module name.
 */
#define ES_RH_TAG "ES_RH"
//-----------------------------------------------------------------------------
// Private variables
//-----------------------------------------------------------------------------

/**
 * @var g_ESEasySetupResource
 * @brief Structure for holding the Provisioning status
 */
EasySetupResource g_ESEasySetupResource;
WiFiConfResource g_ESWiFiConfResource;
CoapCloudConfResource g_ESCoapCloudConfResource;
DevConfResource g_ESDevConfResource;

//-----------------------------------------------------------------------------
// Private internal function prototypes
//-----------------------------------------------------------------------------
OCEntityHandlerResult OCEntityHandlerCb(OCEntityHandlerFlag flag, OCEntityHandlerRequest *ehRequest,
        void *callback);
OCEntityHandlerResult ProcessGetRequest(OCEntityHandlerRequest *ehRequest, OCRepPayload** payload);
OCEntityHandlerResult ProcessPutRequest(OCEntityHandlerRequest *ehRequest, OCRepPayload** payload);
OCEntityHandlerResult ProcessPostRequest(OCEntityHandlerRequest *ehRequest, OCRepPayload** payload);
void updateEasySetupResource(OCEntityHandlerRequest* ehRequest, OCRepPayload* input);
void updateWiFiConfResource(OCRepPayload* input);
void updateCoapCloudConfResource(OCRepPayload* input);
void updateDevConfResource(OCRepPayload* input);
const char *getResult(OCStackResult result);

ESConnectRequestCB gConnectRequestEvtCb = NULL;
ESWiFiConfCB gWifiConfRsrcEvtCb = NULL;
ESCoapCloudConfCB gCoapCloudConfRsrcEvtCb = NULL;
ESDevConfCB gDevConfRsrcEvtCb = NULL;

ESReadUserdataCb gReadUserdataCb = NULL;
ESWriteUserdataCb gWriteUserdataCb = NULL;

bool CompareResourceInterface(char *from, char *iface)
{
    char *str = OICStrdup(from);
    char *ptr = strtok(str, ";");

    if (ptr == NULL)
    {
        OICFree(str);
        return false;
    }

    do
    {
        if (strstr(ptr, ".if."))
        {
            char *if_ptr = NULL;
            if_ptr = strtok(ptr, "=");
            if_ptr = strtok(NULL, "=");

            if (!strcmp(if_ptr, iface))
            {
                OICFree(str);
                return true;
            }
        }

    } while ((ptr = strtok(NULL, ";")));

    OICFree(str);
    return false;
}

ESResult SetCallbackForUserData(ESReadUserdataCb readCb, ESWriteUserdataCb writeCb)
{
    if (!readCb && !writeCb)
    {
        OIC_LOG(DEBUG, ES_RH_TAG, "Both of callbacks for user data are null");
        return ES_ERROR;
    }
    gReadUserdataCb = readCb;
    gWriteUserdataCb = writeCb;
    return ES_OK;
}

void RegisterWifiRsrcEventCallBack(ESWiFiConfCB cb)
{
    gWifiConfRsrcEvtCb = cb;
}

void RegisterCloudRsrcEventCallBack(ESCoapCloudConfCB cb)
{
    gCoapCloudConfRsrcEvtCb = cb;
}

void RegisterDevConfRsrcEventCallBack(ESDevConfCB cb)
{
    gDevConfRsrcEvtCb = cb;
}

void RegisterConnectRequestEventCallBack(ESConnectRequestCB cb)
{
    gConnectRequestEvtCb = cb;
}

void UnRegisterResourceEventCallBack()
{
    if (gWifiConfRsrcEvtCb)
    {
        gWifiConfRsrcEvtCb = NULL;
    }
    if (gCoapCloudConfRsrcEvtCb)
    {
        gCoapCloudConfRsrcEvtCb = NULL;
    }
    if (gDevConfRsrcEvtCb)
    {
        gDevConfRsrcEvtCb = NULL;
    }
    if (gConnectRequestEvtCb)
    {
        gConnectRequestEvtCb = NULL;
    }
}

OCStackResult initEasySetupResource(bool isSecured)
{
    g_ESEasySetupResource.status = ES_STATE_INIT;
    g_ESEasySetupResource.lastErrCode = ES_ERRCODE_NO_ERROR;
    for( int i = 0 ; i < NUM_CONNECT_TYPE ; ++i )
    {
        g_ESEasySetupResource.connectRequest[i] = ES_CONNECT_NONE;
    }
    g_ESEasySetupResource.numRequest = 0;

    OCStackResult res = OC_STACK_ERROR;
    if (isSecured)
    {
        res = OCCreateResource(&g_ESEasySetupResource.handle, OC_RSRVD_ES_RES_TYPE_EASYSETUP,
        OC_RSRVD_INTERFACE_DEFAULT,
        OC_RSRVD_ES_URI_EASYSETUP, OCEntityHandlerCb,
        NULL, OC_DISCOVERABLE | OC_OBSERVABLE | OC_SECURE);
    }else
    {
        res = OCCreateResource(&g_ESEasySetupResource.handle, OC_RSRVD_ES_RES_TYPE_EASYSETUP,
        OC_RSRVD_INTERFACE_DEFAULT,
        OC_RSRVD_ES_URI_EASYSETUP, OCEntityHandlerCb,
        NULL, OC_DISCOVERABLE | OC_OBSERVABLE);
    }
    if (res != OC_STACK_OK)
    {
        OIC_LOG_V(ERROR, ES_RH_TAG, "Created EasySetup resource with result: %s", getResult(res));
        return res;
    }

    res = OCBindResourceTypeToResource(g_ESEasySetupResource.handle, OC_RSRVD_ES_RES_TYPE_COL);
    if (res != OC_STACK_OK)
    {
        OIC_LOG_V(ERROR, ES_RH_TAG, "Binding Resource type with result: %s", getResult(res));
        return res;
    }

    res = OCBindResourceInterfaceToResource(g_ESEasySetupResource.handle, OC_RSRVD_INTERFACE_LL);
    if (res != OC_STACK_OK)
    {
        OIC_LOG_V(ERROR, ES_RH_TAG, "Binding Resource interface with result: %s", getResult(res));
        return res;
    }
    res = OCBindResourceInterfaceToResource(g_ESEasySetupResource.handle, OC_RSRVD_INTERFACE_BATCH);
    if (res != OC_STACK_OK)
    {
        OIC_LOG_V(ERROR, ES_RH_TAG, "Binding Resource interface with result: %s", getResult(res));
        return res;
    }

    OIC_LOG_V(DEBUG, ES_RH_TAG, "Created EasySetup resource with result: %s", getResult(res));
    return res;
}

OCStackResult initWiFiConfResource(bool isSecured)
{
    OCStackResult res = OC_STACK_ERROR;

    g_ESWiFiConfResource.supportedFreq = WIFI_BOTH;
    g_ESWiFiConfResource.supportedMode[0] = WIFI_11A;
    g_ESWiFiConfResource.supportedMode[1] = WIFI_11B;
    g_ESWiFiConfResource.supportedMode[2] = WIFI_11G;
    g_ESWiFiConfResource.supportedMode[3] = WIFI_11N;
    g_ESWiFiConfResource.numMode = 4;
    g_ESWiFiConfResource.authType = NONE_AUTH;
    g_ESWiFiConfResource.encType = NONE_ENC;
    OICStrcpy(g_ESWiFiConfResource.ssid, sizeof(g_ESWiFiConfResource.ssid), "");
    OICStrcpy(g_ESWiFiConfResource.cred, sizeof(g_ESWiFiConfResource.cred), "");

    if (isSecured)
    {
        res = OCCreateResource(&g_ESWiFiConfResource.handle, OC_RSRVD_ES_RES_TYPE_WIFICONF,
        OC_RSRVD_INTERFACE_DEFAULT,
        OC_RSRVD_ES_URI_WIFICONF, OCEntityHandlerCb,
        NULL, OC_DISCOVERABLE | OC_OBSERVABLE | OC_SECURE);
    }else
    {
        res = OCCreateResource(&g_ESWiFiConfResource.handle, OC_RSRVD_ES_RES_TYPE_WIFICONF,
        OC_RSRVD_INTERFACE_DEFAULT,
        OC_RSRVD_ES_URI_WIFICONF, OCEntityHandlerCb,
        NULL, OC_DISCOVERABLE | OC_OBSERVABLE);
    }

    OIC_LOG_V(DEBUG, ES_RH_TAG, "Created WiFiConf resource with result: %s", getResult(res));
    return res;

}

OCStackResult initCoapCloudConfResource(bool isSecured)
{
    OCStackResult res = OC_STACK_ERROR;

    OICStrcpy(g_ESCoapCloudConfResource.authCode, sizeof(g_ESCoapCloudConfResource.authCode), "");
    OICStrcpy(g_ESCoapCloudConfResource.accessToken, sizeof(g_ESCoapCloudConfResource.accessToken), "");
    g_ESCoapCloudConfResource.accessTokenType = NONE_OAUTH_TOKENTYPE;
    OICStrcpy(g_ESCoapCloudConfResource.authProvider, sizeof(g_ESCoapCloudConfResource.authProvider), "");
    OICStrcpy(g_ESCoapCloudConfResource.ciServer, sizeof(g_ESCoapCloudConfResource.ciServer), "");

    if (isSecured)
    {
        res = OCCreateResource(&g_ESCoapCloudConfResource.handle, OC_RSRVD_ES_RES_TYPE_COAPCLOUDCONF,
        OC_RSRVD_INTERFACE_DEFAULT,
        OC_RSRVD_ES_URI_COAPCLOUDCONF, OCEntityHandlerCb,
        NULL, OC_DISCOVERABLE | OC_OBSERVABLE | OC_SECURE);
    }else
    {
        res = OCCreateResource(&g_ESCoapCloudConfResource.handle, OC_RSRVD_ES_RES_TYPE_COAPCLOUDCONF,
        OC_RSRVD_INTERFACE_DEFAULT,
        OC_RSRVD_ES_URI_COAPCLOUDCONF, OCEntityHandlerCb,
        NULL, OC_DISCOVERABLE | OC_OBSERVABLE);
    }

    OIC_LOG_V(DEBUG, ES_RH_TAG, "Created CoapCloudConf resource with result: %s", getResult(res));
    return res;

}

OCStackResult initDevConfResource(bool isSecured)
{
    OCStackResult res = OC_STACK_ERROR;

    OICStrcpy(g_ESDevConfResource.devName, sizeof(g_ESDevConfResource.devName), "");

    if (isSecured)
    {
        res = OCCreateResource(&g_ESDevConfResource.handle, OC_RSRVD_ES_RES_TYPE_DEVCONF,
        OC_RSRVD_INTERFACE_DEFAULT,
        OC_RSRVD_ES_URI_DEVCONF, OCEntityHandlerCb,
        NULL, OC_DISCOVERABLE | OC_OBSERVABLE | OC_SECURE);
    }else
    {
        res = OCCreateResource(&g_ESDevConfResource.handle, OC_RSRVD_ES_RES_TYPE_DEVCONF,
        OC_RSRVD_INTERFACE_DEFAULT,
        OC_RSRVD_ES_URI_DEVCONF, OCEntityHandlerCb,
        NULL, OC_DISCOVERABLE | OC_OBSERVABLE);
    }

    OIC_LOG_V(DEBUG, ES_RH_TAG, "Created DevConf resource with result: %s", getResult(res));
    return res;

}

void updateEasySetupResource(OCEntityHandlerRequest* ehRequest, OCRepPayload* input)
{
    OIC_LOG_V(DEBUG, ES_RH_TAG, "g_ESEasySetupResource.status %d", g_ESEasySetupResource.status);

    int64_t *connect_req = NULL;
    size_t dimensions[MAX_REP_ARRAY_DEPTH] = { 0 };
    if (OCRepPayloadGetIntArray(input, OC_RSRVD_ES_CONNECT, &connect_req, dimensions))
    {
        ESConnectRequest* connectRequest = (ESConnectRequest*)OICMalloc(sizeof(ESConnectRequest));
        if (!connectRequest)
        {
            OIC_LOG(ERROR, ES_RH_TAG, "Failed to allocate Payload");
            return;
        }

        int cntRequest = 0;
        for (unsigned int i = 0 ; i < NUM_CONNECT_TYPE ; ++i)
        {
            g_ESEasySetupResource.connectRequest[i] = ES_CONNECT_NONE;
            connectRequest->connect[i] = ES_CONNECT_NONE;

            if (i < dimensions[0] &&
                (connect_req[i] == ES_CONNECT_WIFI || connect_req[i] == ES_CONNECT_COAPCLOUD))
            {
                g_ESEasySetupResource.connectRequest[cntRequest] = connect_req[i];
                connectRequest->connect[cntRequest] = connect_req[i];
                OIC_LOG_V(DEBUG, ES_RH_TAG, "g_ESEasySetupResource.connectType[%d] : %d",
                                                    cntRequest, g_ESEasySetupResource.connectRequest[cntRequest]);
                cntRequest++;
            }
        }
        connectRequest->numRequest = cntRequest;
        g_ESEasySetupResource.numRequest = cntRequest;

        if (g_ESEasySetupResource.connectRequest[0] != ES_CONNECT_NONE)
        {
            OIC_LOG(DEBUG, ES_RH_TAG, "Send ConnectRequest Callback To ES");

            //@todo Need to check appropriateness of gWiFiData
            if (gConnectRequestEvtCb != NULL)
            {
                gConnectRequestEvtCb(ES_OK, connectRequest);
            }
            else
            {
                OIC_LOG(ERROR, ES_RH_TAG, "gConnectRequestEvtCb is NULL");
            }
        }
    }

    if (ehRequest->query)
    {
        if (CompareResourceInterface(ehRequest->query, OC_RSRVD_INTERFACE_BATCH))
        {
            // When Provisioning resource has a POST with BatchInterface
            updateCoapCloudConfResource(input);
            updateWiFiConfResource(input);
            updateDevConfResource(input);
        }
    }
}

void updateWiFiConfResource(OCRepPayload* input)
{
    ESWiFiConfData* wiFiData = (ESWiFiConfData*)OICMalloc(sizeof(ESWiFiConfData));

    if (wiFiData == NULL)
    {
        OIC_LOG(DEBUG, ES_RH_TAG, "OICMalloc is failed");
        return ;
    }

    memset(wiFiData->ssid, 0, OIC_STRING_MAX_VALUE);
    memset(wiFiData->pwd, 0, OIC_STRING_MAX_VALUE);
    wiFiData->authtype = NONE_AUTH;
    wiFiData->enctype = NONE_AUTH;
    wiFiData->userdata = NULL;

    char* ssid = NULL;
    if (OCRepPayloadGetPropString(input, OC_RSRVD_ES_SSID, &ssid))
    {
        OICStrcpy(g_ESWiFiConfResource.ssid, sizeof(g_ESWiFiConfResource.ssid), ssid);
        OICStrcpy(wiFiData->ssid, sizeof(wiFiData->ssid), ssid);
        OIC_LOG_V(INFO_PRIVATE, ES_RH_TAG, "g_ESWiFiConfResource.ssid : %s", g_ESWiFiConfResource.ssid);
    }

    char* cred = NULL;
    if (OCRepPayloadGetPropString(input, OC_RSRVD_ES_CRED, &cred))
    {
        OICStrcpy(g_ESWiFiConfResource.cred, sizeof(g_ESWiFiConfResource.cred), cred);
        OICStrcpy(wiFiData->pwd, sizeof(wiFiData->pwd), cred);
        OIC_LOG_V(INFO_PRIVATE, ES_RH_TAG, "g_ESWiFiConfResource.cred %s", g_ESWiFiConfResource.cred);
    }

    int64_t authType = -1;
    if (OCRepPayloadGetPropInt(input, OC_RSRVD_ES_AUTHTYPE, &authType))
    {
        g_ESWiFiConfResource.authType = authType;
        wiFiData->authtype = g_ESWiFiConfResource.authType;
        OIC_LOG_V(INFO_PRIVATE, ES_RH_TAG, "g_ESWiFiConfResource.authType %u", g_ESWiFiConfResource.authType);
    }

    int64_t encType = -1;
    if (OCRepPayloadGetPropInt(input, OC_RSRVD_ES_ENCTYPE, &encType))
    {
        g_ESWiFiConfResource.encType = encType;
        wiFiData->enctype = g_ESWiFiConfResource.encType;
        OIC_LOG_V(INFO_PRIVATE, ES_RH_TAG, "g_ESWiFiConfResource.encType %u", g_ESWiFiConfResource.encType);
    }

    if (gReadUserdataCb)
    {
        gReadUserdataCb(input, OC_RSRVD_ES_RES_TYPE_WIFICONF, &wiFiData->userdata);
    }

    if (ssid || cred || authType!= -1 || encType != -1)
    {
        OIC_LOG(DEBUG, ES_RH_TAG, "Send WiFiConfRsrc Callback To ES");

        //@todo Need to check appropriateness of gWiFiData
        if (gWifiConfRsrcEvtCb != NULL)
        {
            gWifiConfRsrcEvtCb(ES_OK, wiFiData);
        }
        else
        {
            OIC_LOG(ERROR, ES_RH_TAG, "gWifiConfRsrcEvtCb is NULL");
        }
    }

    if (OC_STACK_NO_OBSERVERS == OCNotifyAllObservers(g_ESWiFiConfResource.handle, OC_HIGH_QOS))
    {
        OIC_LOG(DEBUG, ES_RH_TAG, "Enrollee doesn't have any observer.");
    }

    OICFree(wiFiData);
}

void updateCoapCloudConfResource(OCRepPayload* input)
{
    ESCoapCloudConfData* cloudData = (ESCoapCloudConfData*)OICMalloc(sizeof(ESCoapCloudConfData));

    if (cloudData == NULL)
    {
        OIC_LOG(DEBUG, ES_RH_TAG, "OICMalloc is failed");
        return;
    }

    memset(cloudData->authCode, 0, OIC_STRING_MAX_VALUE);
    memset(cloudData->accessToken, 0, OIC_STRING_MAX_VALUE);
    g_ESCoapCloudConfResource.accessTokenType = NONE_OAUTH_TOKENTYPE;
    memset(cloudData->authProvider, 0, OIC_STRING_MAX_VALUE);
    memset(cloudData->ciServer, 0, OIC_URI_STRING_MAX_VALUE);
    cloudData->userdata = NULL;

    char *authCode = NULL;
    if (OCRepPayloadGetPropString(input, OC_RSRVD_ES_AUTHCODE, &authCode))
    {
        OICStrcpy(g_ESCoapCloudConfResource.authCode, sizeof(g_ESCoapCloudConfResource.authCode), authCode);
        OICStrcpy(cloudData->authCode, sizeof(cloudData->authCode), authCode);
        OIC_LOG_V(INFO_PRIVATE, ES_RH_TAG, "g_ESCoapCloudConfResource.authCode %s", g_ESCoapCloudConfResource.authCode);
    }

    char *accessToken = NULL;
    if (OCRepPayloadGetPropString(input, OC_RSRVD_ES_ACCESSTOKEN, &accessToken))
    {
        OICStrcpy(g_ESCoapCloudConfResource.accessToken, sizeof(g_ESCoapCloudConfResource.accessToken), accessToken);
        OICStrcpy(cloudData->accessToken, sizeof(cloudData->accessToken), accessToken);
        OIC_LOG_V(INFO_PRIVATE, ES_RH_TAG, "g_ESCoapCloudConfResource.accessToken %s", g_ESCoapCloudConfResource.accessToken);
    }

    int64_t accessTokenType = -1;
    if (OCRepPayloadGetPropInt(input, OC_RSRVD_ES_ACCESSTOKEN_TYPE, &accessTokenType))
    {
        g_ESCoapCloudConfResource.accessTokenType = accessTokenType;
        cloudData->accessTokenType = g_ESCoapCloudConfResource.accessTokenType;
        OIC_LOG_V(INFO_PRIVATE, ES_RH_TAG, "g_ESCoapCloudConfResource.accessTokenType %d", g_ESCoapCloudConfResource.accessTokenType);
    }

    char *authProvider = NULL;
    if (OCRepPayloadGetPropString(input, OC_RSRVD_ES_AUTHPROVIDER, &authProvider))
    {
        OICStrcpy(g_ESCoapCloudConfResource.authProvider, sizeof(g_ESCoapCloudConfResource.authProvider), authProvider);
        OICStrcpy(cloudData->authProvider, sizeof(cloudData->authProvider), authProvider);
        OIC_LOG_V(INFO_PRIVATE, ES_RH_TAG, "g_ESCoapCloudConfResource.authServerUrl %s", g_ESCoapCloudConfResource.authProvider);
    }

    char *ciServer = NULL;
    if (OCRepPayloadGetPropString(input, OC_RSRVD_ES_CISERVER, &ciServer))
    {
        OICStrcpy(g_ESCoapCloudConfResource.ciServer, sizeof(g_ESCoapCloudConfResource.ciServer), ciServer);
        OICStrcpy(cloudData->ciServer, sizeof(cloudData->ciServer), ciServer);
        OIC_LOG_V(INFO_PRIVATE, ES_RH_TAG, "g_ESCoapCloudConfResource.ciServer %s", g_ESCoapCloudConfResource.ciServer);
    }

    if (gReadUserdataCb)
    {
        gReadUserdataCb(input, OC_RSRVD_ES_RES_TYPE_COAPCLOUDCONF, &cloudData->userdata);
    }

    if (authCode || accessToken || authProvider || ciServer)
    {
        OIC_LOG(DEBUG, ES_RH_TAG, "Send CoapCloudConfRsrc Callback To ES");

        //@todo Need to check appropriateness of gCloudData
        if (gCoapCloudConfRsrcEvtCb != NULL)
        {
            gCoapCloudConfRsrcEvtCb(ES_OK, cloudData);
        }
        else
        {
            OIC_LOG(DEBUG, ES_RH_TAG, "gCoapCloudConfRsrcEvtCb is NULL");
        }
    }

    if (OC_STACK_NO_OBSERVERS == OCNotifyAllObservers(g_ESCoapCloudConfResource.handle, OC_HIGH_QOS))
    {
        OIC_LOG(DEBUG, ES_RH_TAG, "CoapCloudConf resource doesn't have any observer.");
    }

    OICFree(cloudData);
}

void updateDevConfResource(OCRepPayload* input)
{
    ESDevConfData* devConfData = (ESDevConfData*)OICMalloc(sizeof(ESDevConfData));

    if (devConfData == NULL)
    {
        OIC_LOG(DEBUG, ES_RH_TAG, "OICMalloc is failed");
        return;
    }
    devConfData->userdata = NULL;

    if (gReadUserdataCb)
    {
        gReadUserdataCb(input, OC_RSRVD_ES_RES_TYPE_DEVCONF, &devConfData->userdata);
    }

    // If a writable property in oic.r.devconf is added later,
    // a condition for calling a resistered callback should be implemented also.
    if( devConfData->userdata != NULL )
    {
        OIC_LOG(DEBUG, ES_RH_TAG, "Send DevConfRsrc Callback To ES");

        //@todo : Need to check appropriateness of gDevConfData
        if (gDevConfRsrcEvtCb != NULL)
        {
            gDevConfRsrcEvtCb(ES_OK, devConfData);
        }
        else
        {
            OIC_LOG(DEBUG, ES_RH_TAG, "gDevConfRsrcEvtCb is NULL");
        }
    }

    if (OC_STACK_NO_OBSERVERS == OCNotifyAllObservers(g_ESDevConfResource.handle, OC_HIGH_QOS))
    {
        OIC_LOG(DEBUG, ES_RH_TAG, "devConfResource doesn't have any observer.");
    }

    OICFree(devConfData);
}

OCRepPayload* constructResponseOfWiFiConf(char *interface)
{
    OCRepPayload* payload = OCRepPayloadCreate();
    if (!payload)
    {
        OIC_LOG(ERROR, ES_RH_TAG, "Failed to allocate Payload");
        return NULL;
    }

    if (g_ESWiFiConfResource.handle == NULL)
    {
        OIC_LOG(ERROR, ES_RH_TAG, "WiFiConf resource is not created");
        return NULL;
    }

    OIC_LOG(DEBUG, ES_RH_TAG, "constructResponse WiFiConf res");
    OCRepPayloadSetUri(payload, OC_RSRVD_ES_URI_WIFICONF);

    OCRepPayload* repPayload = NULL;
    OCRepPayload* tempPayload = NULL;
    if (!strcmp(interface, OC_RSRVD_INTERFACE_BATCH))
    {
        repPayload = OCRepPayloadCreate();
        if (!repPayload)
        {
            OIC_LOG(ERROR, ES_RH_TAG, "Failed to allocate Payload");
            return NULL;
        }

        tempPayload = payload;
        payload = repPayload;

        size_t interfacesDimensions[MAX_REP_ARRAY_DEPTH] = {1, 0, 0};
        char **interfaces = (char **)OICMalloc(3 * sizeof(char*));
        if (!interfaces)
        {
            OIC_LOG(ERROR, ES_RH_TAG, "Failed to allocate Payload");
            return NULL;
        }

        interfaces[0] = OICStrdup(OC_RSRVD_INTERFACE_DEFAULT);

        OCRepPayloadSetStringArray(payload, OC_RSRVD_ES_INTERFACE, (const char **)interfaces, interfacesDimensions);

        size_t resourceTypesDimensions[MAX_REP_ARRAY_DEPTH] = {1, 0, 0};
        char **resourceTypes = (char **)OICMalloc(2 * sizeof(char*));
        if (!resourceTypes)
        {
            OIC_LOG(ERROR, ES_RH_TAG, "Failed to allocate Payload");
            return NULL;
        }

        resourceTypes[0] = OICStrdup(OC_RSRVD_ES_RES_TYPE_WIFICONF);

        OCRepPayloadSetStringArray(payload, OC_RSRVD_ES_RES_TYPE, (const char **)resourceTypes, resourceTypesDimensions);
    }
    else
    {
        OCRepPayloadAddInterface(payload, OC_RSRVD_INTERFACE_DEFAULT);
        OCRepPayloadAddResourceType(payload, OC_RSRVD_ES_RES_TYPE_WIFICONF);
    }

    size_t dimensions[MAX_REP_ARRAY_DEPTH] = {g_ESWiFiConfResource.numMode, 0, 0};
    int64_t *modes_64 = (int64_t *)OICMalloc(g_ESWiFiConfResource.numMode * sizeof(int64_t));
    if (!modes_64)
    {
        OIC_LOG(ERROR, ES_RH_TAG, "Failed to allocate Payload");
        return NULL;
    }

    for (int i = 0 ; i < g_ESWiFiConfResource.numMode ; ++i)
    {
        modes_64[i] = g_ESWiFiConfResource.supportedMode[i];
    }
    OCRepPayloadSetIntArray(payload, OC_RSRVD_ES_SUPPORTEDWIFIMODE, (int64_t *)modes_64, dimensions);

    OCRepPayloadSetPropInt(payload, OC_RSRVD_ES_SUPPORTEDWIFIFREQ, g_ESWiFiConfResource.supportedFreq);
    OCRepPayloadSetPropString(payload, OC_RSRVD_ES_SSID, g_ESWiFiConfResource.ssid);
    OCRepPayloadSetPropString(payload, OC_RSRVD_ES_CRED, g_ESWiFiConfResource.cred);
    OCRepPayloadSetPropInt(payload, OC_RSRVD_ES_AUTHTYPE, (int) g_ESWiFiConfResource.authType);
    OCRepPayloadSetPropInt(payload, OC_RSRVD_ES_ENCTYPE, (int) g_ESWiFiConfResource.encType);

    if (gWriteUserdataCb)
    {
        gWriteUserdataCb(payload, OC_RSRVD_ES_RES_TYPE_WIFICONF);
    }

    if (!strcmp(interface, OC_RSRVD_INTERFACE_BATCH))
    {
        payload = tempPayload;
        OCRepPayloadSetPropObject(payload, OC_RSRVD_REPRESENTATION, repPayload);
    }

    return payload;
}

OCRepPayload* constructResponseOfCoapCloudConf(char *interface)
{
    OCRepPayload* payload = OCRepPayloadCreate();
    if (!payload)
    {
        OIC_LOG(ERROR, ES_RH_TAG, "Failed to allocate Payload");
        return NULL;
    }

    if (g_ESCoapCloudConfResource.handle == NULL)
    {
        OIC_LOG(ERROR, ES_RH_TAG, "CoapCloudConf resource is not created");
        return NULL;
    }

    OIC_LOG(DEBUG, ES_RH_TAG, "constructResponse CoapCloudConf res");
    OCRepPayloadSetUri(payload, OC_RSRVD_ES_URI_COAPCLOUDCONF);

    OCRepPayload* repPayload = NULL;
    OCRepPayload* tempPayload = NULL;
    if (!strcmp(interface, OC_RSRVD_INTERFACE_BATCH))
    {
        repPayload = OCRepPayloadCreate();
        if (!repPayload)
        {
            OIC_LOG(ERROR, ES_RH_TAG, "Failed to allocate Payload");
            return NULL;
        }

        tempPayload = payload;
        payload = repPayload;

        size_t interfacesDimensions[MAX_REP_ARRAY_DEPTH] = {1, 0, 0};
        char **interfaces = (char **)OICMalloc(3 * sizeof(char*));
        if (!interfaces)
        {
            OIC_LOG(ERROR, ES_RH_TAG, "Failed to allocate Payload");
            return NULL;
        }

        interfaces[0] = OICStrdup(OC_RSRVD_INTERFACE_DEFAULT);

        OCRepPayloadSetStringArray(payload, OC_RSRVD_ES_INTERFACE, (const char **)interfaces, interfacesDimensions);

        size_t resourceTypesDimensions[MAX_REP_ARRAY_DEPTH] = {1, 0, 0};
        char **resourceTypes = (char **)OICMalloc(2 * sizeof(char*));
        if (!resourceTypes)
        {
            OIC_LOG(ERROR, ES_RH_TAG, "Failed to allocate Payload");
            return NULL;
        }

        resourceTypes[0] = OICStrdup(OC_RSRVD_ES_RES_TYPE_COAPCLOUDCONF);

        OCRepPayloadSetStringArray(payload, OC_RSRVD_ES_RES_TYPE, (const char **)resourceTypes, resourceTypesDimensions);
    }
    else
    {
        OCRepPayloadAddInterface(payload, OC_RSRVD_INTERFACE_DEFAULT);
        OCRepPayloadAddResourceType(payload, OC_RSRVD_ES_RES_TYPE_COAPCLOUDCONF);
    }

    OCRepPayloadSetPropString(payload, OC_RSRVD_ES_AUTHCODE, g_ESCoapCloudConfResource.authCode);
    OCRepPayloadSetPropString(payload, OC_RSRVD_ES_ACCESSTOKEN, g_ESCoapCloudConfResource.accessToken);
    OCRepPayloadSetPropInt(payload, OC_RSRVD_ES_ACCESSTOKEN_TYPE, (int)g_ESCoapCloudConfResource.accessTokenType);
    OCRepPayloadSetPropString(payload, OC_RSRVD_ES_AUTHPROVIDER, g_ESCoapCloudConfResource.authProvider);
    OCRepPayloadSetPropString(payload, OC_RSRVD_ES_CISERVER, g_ESCoapCloudConfResource.ciServer);

    if (gWriteUserdataCb)
    {
        gWriteUserdataCb(payload, OC_RSRVD_ES_RES_TYPE_COAPCLOUDCONF);
    }

    if (!strcmp(interface, OC_RSRVD_INTERFACE_BATCH))
    {
        payload = tempPayload;
        OCRepPayloadSetPropObject(payload, OC_RSRVD_REPRESENTATION, repPayload);
    }

    return payload;
}

OCRepPayload* constructResponseOfDevConf(char *interface)
{
    OCRepPayload* payload = OCRepPayloadCreate();
    if (!payload)
    {
        OIC_LOG(ERROR, ES_RH_TAG, "Failed to allocate Payload");
        return NULL;
    }

    if (g_ESDevConfResource.handle == NULL)
    {
        OIC_LOG(ERROR, ES_RH_TAG, "DevConf resource is not created");
        return NULL;
    }

    OIC_LOG(DEBUG, ES_RH_TAG, "constructResponse DevConf res");
    OCRepPayloadSetUri(payload, OC_RSRVD_ES_URI_DEVCONF);

    OCRepPayload* repPayload = NULL;
    OCRepPayload* tempPayload = NULL;
    if (!strcmp(interface, OC_RSRVD_INTERFACE_BATCH))
    {
        repPayload = OCRepPayloadCreate();
        if (!repPayload)
        {
            OIC_LOG(ERROR, ES_RH_TAG, "Failed to allocate Payload");
            return NULL;
        }

        tempPayload = payload;
        payload = repPayload;

        size_t interfacesDimensions[MAX_REP_ARRAY_DEPTH] = {1, 0, 0};
        char **interfaces = (char **)OICMalloc(3 * sizeof(char*));
        if (!interfaces)
        {
            OIC_LOG(ERROR, ES_RH_TAG, "Failed to allocate Payload");
            return NULL;
        }

        interfaces[0] = OICStrdup(OC_RSRVD_INTERFACE_DEFAULT);

        OCRepPayloadSetStringArray(payload, OC_RSRVD_ES_INTERFACE, (const char **)interfaces, interfacesDimensions);

        size_t resourceTypesDimensions[MAX_REP_ARRAY_DEPTH] = {1, 0, 0};
        char **resourceTypes = (char **)OICMalloc(2 * sizeof(char*));
        if (!resourceTypes)
        {
            OIC_LOG(ERROR, ES_RH_TAG, "Failed to allocate Payload");
            return NULL;
        }

        resourceTypes[0] = OICStrdup(OC_RSRVD_ES_RES_TYPE_DEVCONF);

        OCRepPayloadSetStringArray(payload, OC_RSRVD_ES_RES_TYPE, (const char **)resourceTypes, resourceTypesDimensions);
    }
    else
    {
        OCRepPayloadAddInterface(payload, OC_RSRVD_INTERFACE_DEFAULT);
        OCRepPayloadAddResourceType(payload, OC_RSRVD_ES_RES_TYPE_DEVCONF);
    }

    OCRepPayloadSetPropString(payload, OC_RSRVD_ES_DEVNAME, g_ESDevConfResource.devName);

    if (gWriteUserdataCb)
    {
        gWriteUserdataCb(payload, OC_RSRVD_ES_RES_TYPE_DEVCONF);
    }

    if (!strcmp(interface, OC_RSRVD_INTERFACE_BATCH))
    {
        payload = tempPayload;
        OCRepPayloadSetPropObject(payload, OC_RSRVD_REPRESENTATION, repPayload);
    }

    return payload;
}

OCRepPayload* constructResponseOfEasySetup(OCEntityHandlerRequest *ehRequest)
{
    OCRepPayload* payload = OCRepPayloadCreate();
    if (!payload)
    {
        OIC_LOG(ERROR, ES_RH_TAG, "Failed to allocate Payload");
        return NULL;
    }