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00001 /****************************************************************************** 00002 * $Id: cpl_vsil_curl_priv.h 23735 2012-01-09 19:01:02Z rouault $ 00003 * 00004 * Project: CPL - Common Portability Library 00005 * Purpose: Private API for VSICurl 00006 * Author: Even Rouault, even.rouault at mines-paris.org 00007 * 00008 ****************************************************************************** 00009 * Copyright (c) 2012, Even Rouault 00010 * 00011 * Permission is hereby granted, free of charge, to any person obtaining a 00012 * copy of this software and associated documentation files (the "Software"), 00013 * to deal in the Software without restriction, including without limitation 00014 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 00015 * and/or sell copies of the Software, and to permit persons to whom the 00016 * Software is furnished to do so, subject to the following conditions: 00017 * 00018 * The above copyright notice and this permission notice shall be included 00019 * in all copies or substantial portions of the Software. 00020 * 00021 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 00022 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 00023 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 00024 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 00025 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 00026 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 00027 * DEALINGS IN THE SOFTWARE. 00028 ****************************************************************************/ 00029 00030 #ifndef CPL_VSIL_CURL_PRIV_H_INCLUDED 00031 #define CPL_VSIL_CURL_PRIV_H_INCLUDED 00032 00033 #include "cpl_vsi_virtual.h" 00034 00035 /* NOTE: this is private API for GDAL internal use. May change without notice. */ 00036 /* Used by the MBTiles driver for now */ 00037 00038 /* Return TRUE to go on downloading, FALSE to stop */ 00039 typedef int (*VSICurlReadCbkFunc) (VSILFILE* fp, void *pabyBuffer, size_t nBufferSize, void* pfnUserData); 00040 00041 /* fp must be a VSICurl file handle, otherwise bad things will happen ! */ 00042 /* bStopOnInterrruptUntilUninstall must be set to TRUE if all downloads */ 00043 /* must be cancelled after a first one has been stopped by the callback function. */ 00044 /* In that case, downloads will restart after uninstalling the callback. */ 00045 int VSICurlInstallReadCbk(VSILFILE* fp, VSICurlReadCbkFunc pfnReadCbk, void* pfnUserData, 00046 int bStopOnInterrruptUntilUninstall); 00047 int VSICurlUninstallReadCbk(VSILFILE* fp); 00048 00049 #endif // CPL_VSIL_CURL_PRIV_H_INCLUDED