/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/**************************************************************************
                                TODO
 **************************************************************************

 *************************************************************************/
#include "ftploaderthread.hxx"
#include "curl.hxx"

using namespace ftp;


/********************************************************************************/
/*                                                                              */
/*                cleanup function for thread specific data                     */
/*                                                                              */
/********************************************************************************/


#ifdef __cplusplus
extern "C" {
#endif

    int memory_write_dummy(void *,size_t,size_t,void *)
    {
        return 0;
    }

    void delete_CURL(void *pData)
    {
        // Otherwise response for QUIT will be sent to already destroyed
        // MemoryContainer via non-dummy memory_write function.
        curl_easy_setopt(static_cast<CURL*>(pData),
                         CURLOPT_HEADERFUNCTION,
                         memory_write_dummy);
        curl_easy_cleanup(static_cast<CURL*>(pData));
    }

#ifdef __cplusplus
}
#endif


/********************************************************************************/
/*                                                                              */
/*                  Member part of FTPLoaderThread                              */
/*                                                                              */
/********************************************************************************/


FTPLoaderThread::FTPLoaderThread()
    : m_threadKey(osl_createThreadKey(delete_CURL)) {
}



FTPLoaderThread::~FTPLoaderThread() {
    osl_destroyThreadKey(m_threadKey);
}



CURL* FTPLoaderThread::handle() {
    CURL* ret = osl_getThreadKeyData(m_threadKey);
    if(!ret) {
        ret = curl_easy_init();
        if (ret != 0) {
            // Make sure curl is not internally using environment variables like
            // "ftp_proxy":
            if (curl_easy_setopt(ret, CURLOPT_PROXY, "") != CURLE_OK) {
                curl_easy_cleanup(ret);
                ret = 0;
            }
        }
        osl_setThreadKeyData(m_threadKey,static_cast<void*>(ret));
    }

    return ret;
}


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