//Downloader.cpp
result Downloader::RequestFileInZip(int fileIndex/*, int numFileNeedToDownload*/)
{

    //The 1st thread

    pHttpClient1 = new HttpClient();
    pHttpClient1->Construct();
    result r = pHttpClient1->SendPartialGetRequest(FileOffsetInZip[fileIndex], FileOffsetInZip[fileIndex] + FileLengthInZip[fileIndex]);

    //The 2nd thread

    pHttpClient2 = new HttpClient();
    pHttpClient2->Construct();
    result r = pHttpClient2->SendPartialGetRequest(FileOffsetInZip[fileIndex + 1], FileOffsetInZip[fileIndex + 1] + FileLengthInZip[fileIndex + 1]);
    return r;
}

/*..................................................*/

//HttpClient.cpp

result HttpClient::Construct()
{
    return Thread::Construct(THREAD_TYPE_EVENT_DRIVEN);
}

result HttpClient::SendPartialGetRequest(int startPosition, int endPosition)
{
    this->startPosition = startPosition;
    this->endPosition = endPosition;
    return Start();
}

void HttpClient::OnStop(void) {}

bool HttpClient::OnStart(void)
{
    StartDownloading(this->startPosition, this->endPosition);
    return true;
}

result HttpClient::StartDownloading(int startPosition, int endPosition)

{

   //Open HTTP Session

   //Open HTTP Transaction

   //Add HTTP Transaction Listener

   //Handle HTTP Request

   //Submit HTTP

}

void HttpClient::OnTransactionReadyToRead(Tizen::Net::Http::HttpSession& httpSession, Tizen::Net::Http::HttpTransaction& httpTransaction, int availableBodyLen)

{

   //Saving file from HTTP Response

}