ucb/source/ucp/ftp/ftploaderthread.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 /**************************************************************************
  21                                 TODO
  22  **************************************************************************
  23
  24  *************************************************************************/
  25 #include "ftploaderthread.hxx"
  26 #include "curl.hxx"
  27
  28 #include <curlinit.hxx>
  29
  30 using namespace ftp;
  31
  32
  33 /********************************************************************************/
  34 /*                                                                              */
  35 /*                cleanup function for thread specific data                     */
  36 /*                                                                              */
  37 /********************************************************************************/
  38
  39 extern "C" {
  40
  41     static int memory_write_dummy(void *,size_t,size_t,void *)
  42     {
  43         return 0;
  44     }
  45
  46     static void delete_CURL(void *pData)
  47     {
  48         // Otherwise response for QUIT will be sent to already destroyed
  49         // MemoryContainer via non-dummy memory_write function.
  50         (void)curl_easy_setopt(static_cast<CURL*>(pData),
  51                          CURLOPT_HEADERFUNCTION,
  52                          memory_write_dummy);
  53         curl_easy_cleanup(static_cast<CURL*>(pData));
  54     }
  55
  56 }
  57
  58 /********************************************************************************/
  59 /*                                                                              */
  60 /*                  Member part of FTPLoaderThread                              */
  61 /*                                                                              */
  62 /********************************************************************************/
  63
  64
  65 FTPLoaderThread::FTPLoaderThread()
  66     : m_threadKey(osl_createThreadKey(delete_CURL)) {
  67 }
  68
  69
  70 FTPLoaderThread::~FTPLoaderThread() {
  71     osl_destroyThreadKey(m_threadKey);
  72 }
  73
  74
  75 CURL* FTPLoaderThread::handle() {
  76     CURL* ret = static_cast<CURL*>(osl_getThreadKeyData(m_threadKey));
  77     if(!ret) {
  78         ret = curl_easy_init();
  79         if (ret != nullptr) {
  80             ::InitCurl_easy(ret);
  81
  82             // Make sure curl is not internally using environment variables like
  83             // "ftp_proxy":
  84             if (curl_easy_setopt(ret, CURLOPT_PROXY, "") != CURLE_OK) {
  85                 curl_easy_cleanup(ret);
  86                 ret = nullptr;
  87             }
  88         }
  89         osl_setThreadKeyData(m_threadKey, ret);
  90     }
  91
  92     return ret;
  93 }
  94
  95
  96 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */