resourcehandler.c 28.8 KB
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//******************************************************************
//
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// Copyright 2015 Samsung Electronics All Rights Reserved.
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//
//-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
//
// 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.
//
//-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=

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#include "resourcehandler.h"
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#include <stdio.h>

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

/**
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 * @var gProvResource
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 * @brief Structure for holding the Provisioning status and target information required to
 * connect to the target network
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 */
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static ProvResource gProvResource;
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static WiFiResource gWiFiResource;
static CloudResource gCloudResource;
static DevConfResource gDevConfResource;
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/**
 * @var gWiFiData
 * @brief Structure for holding the target information required to
 * connect to the target network
 */
 static ESWiFiProvData gWiFiData;

/**
 * @var gDevConfData
 * @brief Structure for holding the device information
 */
 static ESDevConfProvData gDevConfData;

/**
 * @var gCloudData
 * @brief Structure for holding the cloud information required to
 * connect to CI Server
 */
 static ESCloudProvData gCloudData;



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//-----------------------------------------------------------------------------
// Private internal function prototypes
//-----------------------------------------------------------------------------
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OCEntityHandlerResult OCEntityHandlerCb(OCEntityHandlerFlag flag, OCEntityHandlerRequest *ehRequest,
        void *callback);
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const char *getResult(OCStackResult result);
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OCEntityHandlerResult ProcessGetRequest(OCEntityHandlerRequest *ehRequest, OCRepPayload** payload);
OCEntityHandlerResult ProcessPutRequest(OCEntityHandlerRequest *ehRequest, OCRepPayload** payload);
OCEntityHandlerResult ProcessPostRequest(OCEntityHandlerRequest *ehRequest, OCRepPayload** payload);
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void updateProvResource(OCEntityHandlerRequest* ehRequest, OCRepPayload* input);
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void updateWiFiResource(OCRepPayload* input);
void updateCloudResource(OCRepPayload* input);
void updateDevConfResource(OCRepPayload* input);
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ESWiFiCB gWifiRsrcEvtCb = NULL;
ESCloudCB gCloudRsrcEvtCb = NULL;
ESDevConfCB gDevConfRsrcEvtCb = NULL;
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void RegisterWifiRsrcEventCallBack(ESWiFiCB cb)
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{
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    gWifiRsrcEvtCb = cb;
}

void RegisterCloudRsrcEventCallBack(ESCloudCB cb)
{
    gCloudRsrcEvtCb = cb;
}

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

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void UnRegisterResourceEventCallBack()
{
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    if (gWifiRsrcEvtCb)
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    {
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        gWifiRsrcEvtCb = NULL;
    }
    if (gCloudRsrcEvtCb)
    {
        gCloudRsrcEvtCb = NULL;
    }
    if (gDevConfRsrcEvtCb)
    {
        gDevConfRsrcEvtCb = NULL;
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    }
}

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void GetTargetNetworkInfoFromProvResource(char *name, char *pass)
{
    if (name != NULL && pass != NULL)
    {
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        OICStrcpy(name, MAX_SSIDLEN, gWiFiResource.ssid);
        OICStrcpy(pass, MAX_CREDLEN, gWiFiResource.cred);
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    }
}

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OCStackResult initProvResource(bool isSecured)
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{
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    gProvResource.status = ES_STATE_INIT;
    gProvResource.lastErrCode = ES_ERRCODE_NO_ERROR;
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    OICStrcpy(gProvResource.ocfWebLinks, MAX_WEBLINKLEN, "");
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    OCStackResult res = OC_STACK_ERROR;
    if (isSecured)
    {
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        res = OCCreateResource(&gProvResource.handle, OC_RSRVD_ES_RES_TYPE_PROV,
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        OC_RSRVD_INTERFACE_DEFAULT,
        OC_RSRVD_ES_URI_PROV, OCEntityHandlerCb,
        NULL, OC_DISCOVERABLE | OC_OBSERVABLE | OC_SECURE);
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    }else
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    {
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        res = OCCreateResource(&gProvResource.handle, OC_RSRVD_ES_RES_TYPE_PROV,
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        OC_RSRVD_INTERFACE_DEFAULT,
        OC_RSRVD_ES_URI_PROV, OCEntityHandlerCb,
        NULL, OC_DISCOVERABLE | OC_OBSERVABLE);
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    }
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    if(res)
    {
        OIC_LOG_V(INFO, ES_RH_TAG, "Created Prov resource with result: %s", getResult(res));
        return res;
    }

    res = OCBindResourceInterfaceToResource(gProvResource.handle, OC_RSRVD_INTERFACE_LL);
    if(res)
    {
        OIC_LOG_V(INFO, ES_RH_TAG, "Created Prov resource with result: %s", getResult(res));
        return res;
    }
    res = OCBindResourceInterfaceToResource(gProvResource.handle, OC_RSRVD_INTERFACE_BATCH);
    if(res)
    {
        OIC_LOG_V(INFO, ES_RH_TAG, "Created Prov resource with result: %s", getResult(res));
        return res;
    }
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    OIC_LOG_V(INFO, ES_RH_TAG, "Created Prov resource with result: %s", getResult(res));
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    return res;
}
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OCStackResult initWiFiResource(bool isSecured)
{
    OCStackResult res = OC_STACK_ERROR;

    gWiFiResource.supportedFreq = WiFi_BOTH;
    gWiFiResource.supportedMode[0] = WiFi_11A;
    gWiFiResource.supportedMode[1] = WiFi_11B;
    gWiFiResource.supportedMode[2] = WiFi_11G;
    gWiFiResource.supportedMode[3] = WiFi_11N;
    gWiFiResource.numMode = 4;
    gWiFiResource.authType = NONE_AUTH;
    gWiFiResource.encType = NONE_ENC;
    OICStrcpy(gWiFiResource.ssid, sizeof(gWiFiResource.ssid), "");
    OICStrcpy(gWiFiResource.cred, sizeof(gWiFiResource.cred), "");

    if (isSecured)
    {
        res = OCCreateResource(&gWiFiResource.handle, OC_RSRVD_ES_RES_TYPE_WIFI,
        OC_RSRVD_INTERFACE_DEFAULT,
        OC_RSRVD_ES_URI_WIFI, OCEntityHandlerCb,
        NULL, OC_DISCOVERABLE | OC_OBSERVABLE | OC_SECURE);
    }else
    {
        res = OCCreateResource(&gWiFiResource.handle, OC_RSRVD_ES_RES_TYPE_WIFI,
        OC_RSRVD_INTERFACE_DEFAULT,
        OC_RSRVD_ES_URI_WIFI, OCEntityHandlerCb,
        NULL, OC_DISCOVERABLE | OC_OBSERVABLE);
    }

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

}

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

    OICStrcpy(gCloudResource.authCode, sizeof(gCloudResource.authCode), "");
    OICStrcpy(gCloudResource.authProvider, sizeof(gCloudResource.authProvider), "");
    OICStrcpy(gCloudResource.ciServer, sizeof(gCloudResource.ciServer), "");

    if (isSecured)
    {
        res = OCCreateResource(&gCloudResource.handle, OC_RSRVD_ES_RES_TYPE_CLOUDSERVER,
        OC_RSRVD_INTERFACE_DEFAULT,
        OC_RSRVD_ES_URI_CLOUDSERVER, OCEntityHandlerCb,
        NULL, OC_DISCOVERABLE | OC_OBSERVABLE | OC_SECURE);
    }else
    {
        res = OCCreateResource(&gCloudResource.handle, OC_RSRVD_ES_RES_TYPE_CLOUDSERVER,
        OC_RSRVD_INTERFACE_DEFAULT,
        OC_RSRVD_ES_URI_CLOUDSERVER, OCEntityHandlerCb,
        NULL, OC_DISCOVERABLE | OC_OBSERVABLE);
    }

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

}

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

    OICStrcpy(gDevConfResource.devName, sizeof(gDevConfResource.devName), "");
    OICStrcpy(gDevConfResource.country, sizeof(gDevConfResource.country), "");
    OICStrcpy(gDevConfResource.language, sizeof(gDevConfResource.language), "");

    if (isSecured)
    {
        res = OCCreateResource(&gDevConfResource.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(&gDevConfResource.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(INFO, ES_RH_TAG, "Created DevConf resource with result: %s", getResult(res));
    return res;

}

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void updateProvResource(OCEntityHandlerRequest* ehRequest, OCRepPayload* input)
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{
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    OIC_LOG_V(INFO, ES_RH_TAG, "gProvResource.status %d", gProvResource.status);
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    if(ehRequest->query)
    {
        if(strstr(ehRequest->query, OC_RSRVD_INTERFACE_BATCH))
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        {
        // When Provisioning resource has a POST with BatchInterface
            updateCloudResource(input);
            updateWiFiResource(input);
            updateDevConfResource(input);
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        }
    }
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}

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void updateWiFiResource(OCRepPayload* input)
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{
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    char* ssid = NULL;
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    if (OCRepPayloadGetPropString(input, OC_RSRVD_ES_SSID, &ssid))
    {
        OICStrcpy(gWiFiResource.ssid, sizeof(gWiFiResource.ssid), ssid);
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        OICStrcpy(gWiFiData.ssid, sizeof(gWiFiData.ssid), ssid);
        OIC_LOG_V(INFO, ES_RH_TAG, "gWiFiResource.ssid : %s", gWiFiResource.ssid);
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    }

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    char* cred = NULL;
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    if (OCRepPayloadGetPropString(input, OC_RSRVD_ES_CRED, &cred))
    {
        OICStrcpy(gWiFiResource.cred, sizeof(gWiFiResource.cred), cred);
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        OICStrcpy(gWiFiData.pwd, sizeof(gWiFiData.pwd), cred);
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        OIC_LOG_V(INFO, ES_RH_TAG, "gWiFiResource.cred %s", gWiFiResource.cred);
    }

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    int64_t authType = -1;
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    if (OCRepPayloadGetPropInt(input, OC_RSRVD_ES_AUTHTYPE, &authType))
    {
        gWiFiResource.authType = authType;
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        gWiFiData.authtype = gWiFiResource.authType;
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        OIC_LOG_V(INFO, ES_RH_TAG, "gWiFiResource.authType %u", gWiFiResource.authType);
    }

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    int64_t encType = -1;
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    if (OCRepPayloadGetPropInt(input, OC_RSRVD_ES_ENCTYPE, &encType))
    {
        gWiFiResource.encType = encType;
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        gWiFiData.enctype = gWiFiResource.encType;
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        OIC_LOG_V(INFO, ES_RH_TAG, "gWiFiResource.encType %u", gWiFiResource.encType);
    }
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    if(ssid || cred || authType!= -1 || encType != -1)
    {
        OIC_LOG(INFO, ES_RH_TAG, "Send WiFiRsrc Callback To ES");

        // TODO : Need to check appropriateness of gWiFiData
        if(gWifiRsrcEvtCb != NULL)
        {
            gWifiRsrcEvtCb(ES_OK, &gWiFiData);
        }
        else
        {
            OIC_LOG(ERROR, ES_RH_TAG, "gWifiRsrcEvtCb is NULL");
        }
    }

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}
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void updateCloudResource(OCRepPayload* input)
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{
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    char *authCode = NULL;
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    if (OCRepPayloadGetPropString(input, OC_RSRVD_ES_AUTHCODE, &authCode))
    {
        OICStrcpy(gCloudResource.authCode, sizeof(gCloudResource.authCode), authCode);
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        OICStrcpy(gCloudData.authCode, sizeof(gCloudData.authCode), authCode);
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        OIC_LOG_V(INFO, ES_RH_TAG, "gCloudResource.authCode %s", gCloudResource.authCode);
    }

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    char *authProvider = NULL;
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    if (OCRepPayloadGetPropString(input, OC_RSRVD_ES_AUTHPROVIDER, &authProvider))
    {
        OICStrcpy(gCloudResource.authProvider, sizeof(gCloudResource.authProvider), authProvider);
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        OICStrcpy(gCloudData.authProvider, sizeof(gCloudData.authProvider), authProvider);
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        OIC_LOG_V(INFO, ES_RH_TAG, "gCloudResource.authServerUrl %s", gCloudResource.authProvider);
    }

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    char *ciServer = NULL;
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    if (OCRepPayloadGetPropString(input, OC_RSRVD_ES_CISERVER, &ciServer))
    {
        OICStrcpy(gCloudResource.ciServer, sizeof(gCloudResource.ciServer), ciServer);
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        OICStrcpy(gCloudData.ciServer, sizeof(gCloudData.ciServer), ciServer);
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        OIC_LOG_V(INFO, ES_RH_TAG, "gCloudResource.ciServer %s", gCloudResource.ciServer);
    }
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    char *serverID = NULL;
    if (OCRepPayloadGetPropString(input, OC_RSRVD_ES_SERVERID, &serverID))
    {
        OICStrcpy(gCloudResource.serverID, sizeof(gCloudResource.serverID), serverID);
        OICStrcpy(gCloudData.serverID, sizeof(gCloudData.serverID), serverID);
        OIC_LOG_V(INFO, ES_RH_TAG, "gCloudResource.serverID %s", gCloudResource.serverID);
    }

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    if(authCode || authProvider || ciServer)
    {
        OIC_LOG(INFO, ES_RH_TAG, "Send CloudRsrc Callback To ES");

        // TODO : Need to check appropriateness of gCloudData
        if(gCloudRsrcEvtCb != NULL)
        {
            gCloudRsrcEvtCb(ES_OK, &gCloudData);
        }
        else
        {
            OIC_LOG(ERROR, ES_RH_TAG, "gCloudRsrcEvtCb is NULL");
        }
    }
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}

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void updateDevConfResource(OCRepPayload* input)
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{
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    char *country = NULL;
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    if (OCRepPayloadGetPropString(input, OC_RSRVD_ES_COUNTRY, &country))
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    {
        OICStrcpy(gDevConfResource.country, sizeof(gDevConfResource.country), country);
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        OICStrcpy(gDevConfData.country, sizeof(gDevConfData.country), country);
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        OIC_LOG_V(INFO, ES_RH_TAG, "gDevConfResource.country %s", gDevConfResource.country);
    }

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    char *language = NULL;
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    if (OCRepPayloadGetPropString(input, OC_RSRVD_ES_LANGUAGE, &language))
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    {
        OICStrcpy(gDevConfResource.language, sizeof(gDevConfResource.language), language);
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        OICStrcpy(gDevConfData.language, sizeof(gDevConfData.language), language);
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        OIC_LOG_V(INFO, ES_RH_TAG, "gDevConfResource.language %s", gDevConfResource.language);
    }
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    if(country || language)
    {
        OIC_LOG(INFO, ES_RH_TAG, "Send DevConfRsrc Callback To ES");

        // TODO : Need to check appropriateness of gDevConfData
        if(gDevConfRsrcEvtCb != NULL)
        {
            gDevConfRsrcEvtCb(ES_OK, &gDevConfData);
        }
        else
        {
            OIC_LOG(ERROR, ES_RH_TAG, "gDevConfRsrcEvtCb is NULL");
        }
    }
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}

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

    OIC_LOG(INFO, ES_RH_TAG, "constructResponse wifi res");
    OCRepPayloadSetUri(payload, OC_RSRVD_ES_URI_WIFI);

    size_t dimensions[MAX_REP_ARRAY_DEPTH] = {gWiFiResource.numMode, 0, 0};
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    int64_t *modes_64 = (int64_t *)malloc(gWiFiResource.numMode * sizeof(int64_t));
    for(int i = 0 ; i < gWiFiResource.numMode ; ++i)
        modes_64[i] = gWiFiResource.supportedMode[i];
    OCRepPayloadSetIntArray(payload, OC_RSRVD_ES_SUPPORTEDWIFIMODE, (int64_t *)modes_64, dimensions);
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    OCRepPayloadSetPropInt(payload, OC_RSRVD_ES_SUPPORTEDWIFIFREQ, gWiFiResource.supportedFreq);
    OCRepPayloadSetPropString(payload, OC_RSRVD_ES_SSID, gWiFiResource.ssid);
    OCRepPayloadSetPropString(payload, OC_RSRVD_ES_CRED, gWiFiResource.cred);
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    OCRepPayloadSetPropInt(payload, OC_RSRVD_ES_AUTHTYPE, (int) gWiFiResource.authType);
    OCRepPayloadSetPropInt(payload, OC_RSRVD_ES_ENCTYPE, (int) gWiFiResource.encType);
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    return payload;
}

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

    OIC_LOG(INFO, ES_RH_TAG, "constructResponse prov res");
    OCRepPayloadSetUri(payload, OC_RSRVD_ES_URI_CLOUDSERVER);
    OCRepPayloadSetPropString(payload, OC_RSRVD_ES_AUTHCODE, gCloudResource.authCode);
    OCRepPayloadSetPropString(payload, OC_RSRVD_ES_AUTHPROVIDER, gCloudResource.authProvider);
    OCRepPayloadSetPropString(payload, OC_RSRVD_ES_CISERVER, gCloudResource.ciServer);
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    OCRepPayloadSetPropString(payload, OC_RSRVD_ES_SERVERID, gCloudResource.serverID);
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    return payload;
}

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

    OIC_LOG(INFO, ES_RH_TAG, "constructResponse prov res");
    OCRepPayloadSetUri(payload, OC_RSRVD_ES_URI_DEVCONF);
    OCRepPayloadSetPropString(payload, OC_RSRVD_ES_DEVNAME, gDevConfResource.devName);
    OCRepPayloadSetPropString(payload, OC_RSRVD_ES_LANGUAGE, gDevConfResource.language);
    OCRepPayloadSetPropString(payload, OC_RSRVD_ES_COUNTRY, gDevConfResource.country);

    return payload;
}

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

    OIC_LOG(INFO, ES_RH_TAG, "constructResponse prov res");
    OCRepPayloadSetUri(payload, OC_RSRVD_ES_URI_PROV);
    OCRepPayloadSetPropInt(payload, OC_RSRVD_ES_PROVSTATUS, gProvResource.status);
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    OCRepPayloadSetPropInt(payload, OC_RSRVD_ES_LAST_ERRORCODE, gProvResource.lastErrCode);
    OCRepPayloadSetPropString(payload, OC_RSRVD_ES_LINKS, gProvResource.ocfWebLinks);
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    if(ehRequest->query)
    {
        if(strstr(ehRequest->query, OC_RSRVD_INTERFACE_BATCH))
        {// When Provisioning resource has a GET with BatchInterface
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            payload->next = constructResponseOfWiFi();
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            if(payload->next)
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                payload->next->next = constructResponseOfCloud();
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            else
                return payload;

            if(payload->next->next)
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                payload->next->next->next = constructResponseOfDevConf();
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            else
                return payload;
        }
    }

    return payload;
}


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OCStackResult CreateEasySetupResources(bool isSecured, ESResourceMask resourceMask)
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{
    OCStackResult res = OC_STACK_ERROR;
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    bool maskFlag = false;
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    res = initProvResource(isSecured);
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    if(res != OC_STACK_OK)
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    {
        // TODO: destroy logic will be added
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        OIC_LOG_V(ERROR, ES_RH_TAG, "initProvResource result: %s", getResult(res));

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        return res;
    }

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    if((resourceMask & ES_WIFI_RESOURCE) == ES_WIFI_RESOURCE)
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    {
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        maskFlag = true;
        res = initWiFiResource(isSecured);
        if(res != OC_STACK_OK)
        {
            OIC_LOG_V(ERROR, ES_RH_TAG, "initWiFiResource result: %s", getResult(res));
            return res;
        }

        res = OCBindResource(gProvResource.handle, gWiFiResource.handle);
        if(res != OC_STACK_OK)
        {
            OIC_LOG_V(ERROR, ES_RH_TAG, "Bind WiFiResource result: %s", getResult(res));
            return res;
        }

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    }

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    if((resourceMask & ES_CLOUD_RESOURCE) == ES_CLOUD_RESOURCE)
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    {
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        maskFlag = true;
        res = initCloudServerResource(isSecured);
        if(res != OC_STACK_OK)
        {
            OIC_LOG_V(ERROR, ES_RH_TAG, "initCloudResource result: %s", getResult(res));
            return res;
        }

        res = OCBindResource(gProvResource.handle, gCloudResource.handle);
        if(res != OC_STACK_OK)
        {
            OIC_LOG_V(ERROR, ES_RH_TAG, "Bind CloudResource result: %s", getResult(res));
            return res;
        }
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    }

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    if((resourceMask & ES_DEVCONF_RESOURCE) == ES_DEVCONF_RESOURCE)
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    {
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        maskFlag = true;
        res = initDevConfResource(isSecured);
        if(res != OC_STACK_OK)
        {
            OIC_LOG_V(ERROR, ES_RH_TAG, "initDevConf result: %s", getResult(res));
            return res;
        }

        res = OCBindResource(gProvResource.handle, gDevConfResource.handle);
        if(res != OC_STACK_OK)
        {
            OIC_LOG_V(ERROR, ES_RH_TAG, "Bind DevConfResource result: %s", getResult(res));
            return res;
        }
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    }


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    if(maskFlag == false)
    {
        OIC_LOG_V(ERROR, ES_RH_TAG, "Invalid ResourceMask");
        return OC_STACK_ERROR;

    }
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    OIC_LOG_V(INFO, ES_RH_TAG, "Created all resources with result: %s", getResult(res));
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    return res;
}

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OCStackResult DeleteProvisioningResource()
{
    OCStackResult res = OCDeleteResource(gProvResource.handle);
    if (res != OC_STACK_OK)
    {
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        OIC_LOG_V(INFO, ES_RH_TAG, "Deleting Prov resource error with result: %s", getResult(res));
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    }

    return res;
}

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OCStackResult DeleteEasySetupResources()
{
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    OCStackResult res = OCDeleteResource(gWiFiResource.handle);
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    if (res != OC_STACK_OK)
    {
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        OIC_LOG_V(ERROR, ES_RH_TAG, "Deleting WiFi resource error with result: %s", getResult(res));
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    }
610
    res = OCDeleteResource(gCloudResource.handle);
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    if (res != OC_STACK_OK)
    {
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        OIC_LOG_V(ERROR, ES_RH_TAG, "Deleting CloudServer resource error with result: %s", getResult(res));
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    }
615
    res = OCDeleteResource(gDevConfResource.handle);
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    if (res != OC_STACK_OK)
    {
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        OIC_LOG_V(ERROR, ES_RH_TAG, "Deleting DevConf resource error with result: %s", getResult(res));
619
    }
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    res = OCDeleteResource(gProvResource.handle);
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    if (res != OC_STACK_OK)
    {
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        OIC_LOG_V(ERROR, ES_RH_TAG, "Deleting Prov resource error with result: %s", getResult(res));
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    }

    return res;
}

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OCEntityHandlerResult ProcessGetRequest(OCEntityHandlerRequest *ehRequest, OCRepPayload **payload)
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{
    OCEntityHandlerResult ehResult = OC_EH_ERROR;
    if (!ehRequest)
    {
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        OIC_LOG(ERROR, ES_RH_TAG, "Request is Null");
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        return ehResult;
    }
    if (ehRequest->payload && ehRequest->payload->type != PAYLOAD_TYPE_REPRESENTATION)
    {
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        OIC_LOG(ERROR, ES_RH_TAG, "Incoming payload not a representation");
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        return ehResult;
    }

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    OCRepPayload *getResp = NULL;

    if(ehRequest->resource == gProvResource.handle)
        getResp = constructResponseOfProv(ehRequest);
    else if(ehRequest->resource == gWiFiResource.handle)
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        getResp = constructResponseOfWiFi();
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    else if(ehRequest->resource == gCloudResource.handle)
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        getResp = constructResponseOfCloud();
652
    else if(ehRequest->resource == gDevConfResource.handle)
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        getResp = constructResponseOfDevConf();
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    if (!getResp)
    {
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        OIC_LOG(ERROR, ES_RH_TAG, "constructResponse failed");
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        return OC_EH_ERROR;
    }

    *payload = getResp;
    ehResult = OC_EH_OK;

    return ehResult;
}

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OCEntityHandlerResult ProcessPostRequest(OCEntityHandlerRequest *ehRequest, OCRepPayload** payload)
668
{
669
    OIC_LOG(INFO, ES_RH_TAG, "ProcessPostRequest enter");
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    OCEntityHandlerResult ehResult = OC_EH_ERROR;
    if (ehRequest->payload && ehRequest->payload->type != PAYLOAD_TYPE_REPRESENTATION)
    {
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        OIC_LOG(ERROR, ES_RH_TAG, "Incoming payload not a representation");
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        return ehResult;
    }

    OCRepPayload* input = (OCRepPayload*) (ehRequest->payload);
    if (!input)
    {
680
        OIC_LOG(ERROR, ES_RH_TAG, "Failed to parse");
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        return ehResult;
    }

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    // TBD : Discuss about triggering flag (to be existed or not)
    // ES_PS_PROVISIONING_COMPLETED state indicates that already provisioning is completed.
    // A new request for provisioning means overriding existing network provisioning information.  

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    if(ehRequest->resource == gProvResource.handle)
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        updateProvResource(ehRequest, input);
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    else if(ehRequest->resource == gWiFiResource.handle)
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        updateWiFiResource(input);
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    else if(ehRequest->resource == gCloudResource.handle)
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        updateCloudResource(input);
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    else if(ehRequest->resource == gDevConfResource.handle)
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        updateDevConfResource(input);      
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    OCRepPayload *getResp = NULL;
    if(ehRequest->resource == gProvResource.handle)
        getResp = constructResponseOfProv(ehRequest);
    else if(ehRequest->resource == gWiFiResource.handle)
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        getResp = constructResponseOfWiFi();
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    else if(ehRequest->resource == gCloudResource.handle)
703
        getResp = constructResponseOfCloud();
704
    else if(ehRequest->resource == gDevConfResource.handle)
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        getResp = constructResponseOfDevConf();
706

707 708
    if (!getResp)
    {
709
        OIC_LOG(ERROR, ES_RH_TAG, "constructResponse failed");
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        return OC_EH_ERROR;
    }

    *payload = getResp;
    ehResult = OC_EH_OK;

    return ehResult;
}

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OCEntityHandlerResult ProcessPutRequest(OCEntityHandlerRequest * ehRequest,
        OCRepPayload** payload)
721
{
722 723
    (void) ehRequest;
    (void) payload;
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    OCEntityHandlerResult ehResult = OC_EH_ERROR;

    return ehResult;
}
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/**
 * This is the entity handler for the registered resource.
 * This is invoked by OCStack whenever it recevies a request for this resource.
 */
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OCEntityHandlerResult OCEntityHandlerCb(OCEntityHandlerFlag flag,
        OCEntityHandlerRequest* entityHandlerRequest, void *callback)
{
    (void) callback;
    OCEntityHandlerResult ehRet = OC_EH_OK;
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    OCEntityHandlerResponse response =
    { 0, 0, OC_EH_ERROR, 0, 0,
    { },
    { 0 }, false };
741
    OCRepPayload* payload = NULL;
742

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    if (entityHandlerRequest && (flag & OC_REQUEST_FLAG))
    {
        if (OC_REST_GET == entityHandlerRequest->method)
        {
747
            OIC_LOG(INFO, ES_RH_TAG, "Received GET request");
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            ehRet = ProcessGetRequest(entityHandlerRequest, &payload);
        }
        else if (OC_REST_PUT == entityHandlerRequest->method)
        {
752
            OIC_LOG(INFO, ES_RH_TAG, "Received PUT request");
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754
            //PUT request will be handled in the internal implementation
755
            if (gProvResource.handle != NULL)
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            {
                ehRet = ProcessPutRequest(entityHandlerRequest, &payload);
            }
            else
            {
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                OIC_LOG(ERROR, ES_RH_TAG, "Cannot process put");
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                ehRet = OC_EH_ERROR;
            }
        }
        else if (OC_REST_POST == entityHandlerRequest->method)
        {
767
            OIC_LOG(INFO, ES_RH_TAG, "Received OC_REST_POST from client");
768
            if (gProvResource.handle != NULL)
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            {
                ehRet = ProcessPostRequest(entityHandlerRequest, &payload);
            }
            else
            {
                OIC_LOG(ERROR, ES_RH_TAG, "Cannot process put");
                ehRet = OC_EH_ERROR;
            }
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        }

        if (ehRet == OC_EH_OK)
        {
            // Format the response.  Note this requires some info about the request
            response.requestHandle = entityHandlerRequest->requestHandle;
            response.resourceHandle = entityHandlerRequest->resource;
            response.ehResult = ehRet;
            //response uses OCPaylod while all get,put methodes use OCRepPayload
            response.payload = (OCPayload*) (payload);
            response.numSendVendorSpecificHeaderOptions = 0;
            memset(response.sendVendorSpecificHeaderOptions, 0,
789 790
                    sizeof(response.sendVendorSpecificHeaderOptions));
            memset(response.resourceUri, 0, sizeof(response.resourceUri));
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            // Indicate that response is NOT in a persistent buffer
            response.persistentBufferFlag = 0;

            // Send the response
            if (OCDoResponse(&response) != OC_STACK_OK)
            {
797
                OIC_LOG(ERROR, ES_RH_TAG, "Error sending response");
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                ehRet = OC_EH_ERROR;
            }
        }
    }

    return ehRet;
}

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OCStackResult SetDeviceProperty(ESDeviceProperty *deviceProperty)
{
    OIC_LOG(INFO, ES_RH_TAG, "SetDeviceProperty IN");

    gWiFiResource.supportedFreq = (deviceProperty->WiFi).freq;
    OIC_LOG_V(INFO, ES_RH_TAG, "WiFi Freq : %d", gWiFiResource.supportedFreq);

    int modeIdx = 0;
    while((deviceProperty->WiFi).mode[modeIdx] != WiFi_EOF)
    {
        gWiFiResource.supportedMode[modeIdx] = (deviceProperty->WiFi).mode[modeIdx];
        OIC_LOG_V(INFO, ES_RH_TAG, "WiFi Mode : %d", gWiFiResource.supportedMode[modeIdx]);
        modeIdx ++;
    }
    gWiFiResource.numMode = modeIdx;

    OICStrcpy(gDevConfResource.devName, MAX_DEVICELEN, (deviceProperty->DevConf).deviceName);
    OIC_LOG_V(INFO, ES_RH_TAG, "Device Name : %s", gDevConfResource.devName);

    OIC_LOG(INFO, ES_RH_TAG, "SetDeviceProperty OUT");
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    return OC_STACK_OK;
}

OCStackResult SetEnrolleeState(ESEnrolleeState esState)
{
    OIC_LOG(INFO, ES_RH_TAG, "SetEnrolleeState IN");

    gProvResource.status = esState;
    OIC_LOG_V(INFO, ES_RH_TAG, "Enrollee Status : %d", gProvResource.status);

    OIC_LOG(INFO, ES_RH_TAG, "SetEnrolleeState OUT");
    return OC_STACK_OK;
838 839
}

840 841 842 843 844 845 846 847 848 849
OCStackResult SetEnrolleeErrCode(ESErrorCode esErrCode)
{
    OIC_LOG(INFO, ES_RH_TAG, "SetEnrolleeErrCode IN");

    gProvResource.lastErrCode = esErrCode;
    OIC_LOG_V(INFO, ES_RH_TAG, "Enrollee ErrorCode : %d", gProvResource.lastErrCode);

    OIC_LOG(INFO, ES_RH_TAG, "SetEnrolleeErrCode OUT");
    return OC_STACK_OK;
}
850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890
const char *getResult(OCStackResult result)
{
    switch (result)
    {
        case OC_STACK_OK:
            return "OC_STACK_OK";
        case OC_STACK_INVALID_URI:
            return "OC_STACK_INVALID_URI";
        case OC_STACK_INVALID_QUERY:
            return "OC_STACK_INVALID_QUERY";
        case OC_STACK_INVALID_IP:
            return "OC_STACK_INVALID_IP";
        case OC_STACK_INVALID_PORT:
            return "OC_STACK_INVALID_PORT";
        case OC_STACK_INVALID_CALLBACK:
            return "OC_STACK_INVALID_CALLBACK";
        case OC_STACK_INVALID_METHOD:
            return "OC_STACK_INVALID_METHOD";
        case OC_STACK_NO_MEMORY:
            return "OC_STACK_NO_MEMORY";
        case OC_STACK_COMM_ERROR:
            return "OC_STACK_COMM_ERROR";
        case OC_STACK_INVALID_PARAM:
            return "OC_STACK_INVALID_PARAM";
        case OC_STACK_NOTIMPL:
            return "OC_STACK_NOTIMPL";
        case OC_STACK_NO_RESOURCE:
            return "OC_STACK_NO_RESOURCE";
        case OC_STACK_RESOURCE_ERROR:
            return "OC_STACK_RESOURCE_ERROR";
        case OC_STACK_SLOW_RESOURCE:
            return "OC_STACK_SLOW_RESOURCE";
        case OC_STACK_NO_OBSERVERS:
            return "OC_STACK_NO_OBSERVERS";
        case OC_STACK_ERROR:
            return "OC_STACK_ERROR";
        default:
            return "UNKNOWN";
    }
}