resourcehandler.c 27.8 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, MAXSSIDLEN, gWiFiResource.ssid);
        OICStrcpy(pass, MAXNETCREDLEN, gWiFiResource.cred);
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    }
}

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OCStackResult initProvResource(bool isSecured)
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{
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    gProvResource.status = NO_PROVISION;
    gProvResource.trigger = false;
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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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{
    OIC_LOG_V(INFO, ES_RH_TAG, "gProvResource.status %lld", 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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    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_AUTHCODE, &country))
    {
        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_AUTHPROVIDER, &language))
    {
        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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    OCRepPayloadSetIntArray(payload, OC_RSRVD_ES_SUPPORTEDWIFIMODE, (int64_t *)gWiFiResource.supportedMode, 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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    printf("%s\n", gWiFiResource.ssid);

    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);

    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);
    OCRepPayloadSetPropBool(payload, OC_RSRVD_ES_TRIGGER, gProvResource.trigger);

    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)
        {
            // TODO: destroy logic will be added
            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)
        {
            // TODO : Error Handling
            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)
        {
            // TODO: destroy logic will be added
            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)
        {
            // TODO : Error Handling
            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)
        {
            // TODO: destroy logic will be added
            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)
        {
            // TODO : Error Handling
            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)
    {
        // TODO: destroy logic will be added
        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));
    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()
{
    OCStackResult res = OCDeleteResource(gProvResource.handle);
    if (res != OC_STACK_OK)
    {
        OIC_LOG_V(INFO, ES_RH_TAG, "Deleting Prov resource error with result: %s", getResult(res));
    }
    res = OCDeleteResource(gWiFiResource.handle);
    if (res != OC_STACK_OK)
    {
        OIC_LOG_V(INFO, ES_RH_TAG, "Deleting WiFi resource error with result: %s", getResult(res));
    }
    res = OCDeleteResource(gCloudResource.handle);
    if (res != OC_STACK_OK)
    {
        OIC_LOG_V(INFO, ES_RH_TAG, "Deleting CloudServer resource error with result: %s", getResult(res));
    }
    res = OCDeleteResource(gDevConfResource.handle);
    if (res != OC_STACK_OK)
    {
        OIC_LOG_V(INFO, ES_RH_TAG, "Deleting DevConf resource error with result: %s", getResult(res));
    }

    return res;
}

628
OCEntityHandlerResult ProcessGetRequest(OCEntityHandlerRequest *ehRequest, OCRepPayload **payload)
629 630 631 632
{
    OCEntityHandlerResult ehResult = OC_EH_ERROR;
    if (!ehRequest)
    {
633
        OIC_LOG(ERROR, ES_RH_TAG, "Request is Null");
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        return ehResult;
    }
    if (ehRequest->payload && ehRequest->payload->type != PAYLOAD_TYPE_REPRESENTATION)
    {
638
        OIC_LOG(ERROR, ES_RH_TAG, "Incoming payload not a representation");
639 640 641
        return ehResult;
    }

642 643 644 645 646
    OCRepPayload *getResp = NULL;

    if(ehRequest->resource == gProvResource.handle)
        getResp = constructResponseOfProv(ehRequest);
    else if(ehRequest->resource == gWiFiResource.handle)
647
        getResp = constructResponseOfWiFi();
648
    else if(ehRequest->resource == gCloudResource.handle)
649
        getResp = constructResponseOfCloud();
650
    else if(ehRequest->resource == gDevConfResource.handle)
651
        getResp = constructResponseOfDevConf();
652

653 654
    if (!getResp)
    {
655
        OIC_LOG(ERROR, ES_RH_TAG, "constructResponse failed");
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        return OC_EH_ERROR;
    }

    *payload = getResp;
    ehResult = OC_EH_OK;

    return ehResult;
}

665
OCEntityHandlerResult ProcessPostRequest(OCEntityHandlerRequest *ehRequest, OCRepPayload** payload)
666
{
667
    OIC_LOG(INFO, ES_RH_TAG, "ProcessPostRequest enter");
668 669 670
    OCEntityHandlerResult ehResult = OC_EH_ERROR;
    if (ehRequest->payload && ehRequest->payload->type != PAYLOAD_TYPE_REPRESENTATION)
    {
671
        OIC_LOG(ERROR, ES_RH_TAG, "Incoming payload not a representation");
672 673 674 675 676 677
        return ehResult;
    }

    OCRepPayload* input = (OCRepPayload*) (ehRequest->payload);
    if (!input)
    {
678
        OIC_LOG(ERROR, ES_RH_TAG, "Failed to parse");
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        return ehResult;
    }

682
    if(ehRequest->resource == gProvResource.handle)
683
        updateProvResource(ehRequest, input);
684
    else if(ehRequest->resource == gWiFiResource.handle)
685
        updateWiFiResource(input);
686
    else if(ehRequest->resource == gCloudResource.handle)
687
        updateCloudResource(input);
688
    else if(ehRequest->resource == gDevConfResource.handle)
689
        updateDevConfResource(input);
690

691
    // TBD : Discuss about triggering flag (to be existed or not)
692
    // ES_PS_PROVISIONING_COMPLETED state indicates that already provisioning is completed.
693
    // A new request for provisioning means overriding existing network provisioning information.
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    // if (gProvResource.trigger)
    // {
    //     OIC_LOG(DEBUG, ES_RH_TAG, "Provisioning already completed."
    //             "Tiggering the network connection");

    //     if (gNetworkInfoProvEventCb)
    //     {
    //         gNetworkInfoProvEventCb(ES_RECVTRIGGEROFPROVRES);
    //         ehResult = OC_EH_OK;
    //     }
    //     else
    //     {
    //         OIC_LOG(ERROR, ES_RH_TAG, "gNetworkInfoProvEventCb is NULL."
    //                 "Network handler not registered. Failed to connect to the network");
    //         ehResult = OC_EH_ERROR;
    //         return ehResult;
    //     }
    // }
    // else
    // {
    //     OIC_LOG(DEBUG, ES_RH_TAG, "Provisioning the network information to the Enrollee.");
    // }
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    OCRepPayload *getResp = NULL;
    if(ehRequest->resource == gProvResource.handle)
        getResp = constructResponseOfProv(ehRequest);
    else if(ehRequest->resource == gWiFiResource.handle)
721
        getResp = constructResponseOfWiFi();
722
    else if(ehRequest->resource == gCloudResource.handle)
723
        getResp = constructResponseOfCloud();
724
    else if(ehRequest->resource == gDevConfResource.handle)
725
        getResp = constructResponseOfDevConf();
726 727 728 729

    if (gProvResource.trigger)// Trigger false should be restored after executed
        gProvResource.trigger = false;

730 731
    if (!getResp)
    {
732
        OIC_LOG(ERROR, ES_RH_TAG, "constructResponse failed");
733 734 735 736 737 738 739 740 741
        return OC_EH_ERROR;
    }

    *payload = getResp;
    ehResult = OC_EH_OK;

    return ehResult;
}

742 743
OCEntityHandlerResult ProcessPutRequest(OCEntityHandlerRequest * ehRequest,
        OCRepPayload** payload)
744
{
745 746
    (void) ehRequest;
    (void) payload;
747 748 749 750
    OCEntityHandlerResult ehResult = OC_EH_ERROR;

    return ehResult;
}
751 752 753 754
/**
 * This is the entity handler for the registered resource.
 * This is invoked by OCStack whenever it recevies a request for this resource.
 */
755 756 757 758 759
OCEntityHandlerResult OCEntityHandlerCb(OCEntityHandlerFlag flag,
        OCEntityHandlerRequest* entityHandlerRequest, void *callback)
{
    (void) callback;
    OCEntityHandlerResult ehRet = OC_EH_OK;
760 761 762 763
    OCEntityHandlerResponse response =
    { 0, 0, OC_EH_ERROR, 0, 0,
    { },
    { 0 }, false };
764
    OCRepPayload* payload = NULL;
765

766 767 768 769
    if (entityHandlerRequest && (flag & OC_REQUEST_FLAG))
    {
        if (OC_REST_GET == entityHandlerRequest->method)
        {
770
            OIC_LOG(INFO, ES_RH_TAG, "Received GET request");
771 772 773 774
            ehRet = ProcessGetRequest(entityHandlerRequest, &payload);
        }
        else if (OC_REST_PUT == entityHandlerRequest->method)
        {
775
            OIC_LOG(INFO, ES_RH_TAG, "Received PUT request");
776

777
            //PUT request will be handled in the internal implementation
778
            if (gProvResource.handle != NULL)
779 780 781 782 783
            {
                ehRet = ProcessPutRequest(entityHandlerRequest, &payload);
            }
            else
            {
784
                OIC_LOG(ERROR, ES_RH_TAG, "Cannot process put");
785 786 787 788 789
                ehRet = OC_EH_ERROR;
            }
        }
        else if (OC_REST_POST == entityHandlerRequest->method)
        {
790
            OIC_LOG(INFO, ES_RH_TAG, "Received OC_REST_POST from client");
791
            if (gProvResource.handle != NULL)
792 793 794 795 796 797 798 799
            {
                ehRet = ProcessPostRequest(entityHandlerRequest, &payload);
            }
            else
            {
                OIC_LOG(ERROR, ES_RH_TAG, "Cannot process put");
                ehRet = OC_EH_ERROR;
            }
800 801 802 803 804 805 806 807 808 809 810 811
        }

        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,
812 813
                    sizeof(response.sendVendorSpecificHeaderOptions));
            memset(response.resourceUri, 0, sizeof(response.resourceUri));
814 815 816 817 818 819
            // Indicate that response is NOT in a persistent buffer
            response.persistentBufferFlag = 0;

            // Send the response
            if (OCDoResponse(&response) != OC_STACK_OK)
            {
820
                OIC_LOG(ERROR, ES_RH_TAG, "Error sending response");
821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869
                ehRet = OC_EH_ERROR;
            }
        }
    }

    return ehRet;
}

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";
    }
}