src/network/download.cpp

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00001 /******************************************************************************
00002  *  Wormux is a convivial mass murder game.
00003  *  Copyright (C) 2001-2004 Lawrence Azzoug.
00004  *
00005  *  This program is free software; you can redistribute it and/or modify
00006  *  it under the terms of the GNU General Public License as published by
00007  *  the Free Software Foundation; either version 2 of the License, or
00008  *  (at your option) any later version.
00009  *
00010  *  This program is distributed in the hope that it will be useful,
00011  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
00012  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00013  *  GNU General Public License for more details.
00014  *
00015  *  You should have received a copy of the GNU General Public License
00016  *  along with this program; if not, write to the Free Software
00017  *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
00018  ******************************************************************************
00019  * Download a file using libcurl
00020  *****************************************************************************/
00021 
00022 #include <curl/curl.h>
00023 #include "download.h"
00024 
00025 Downloader downloader;
00026 
00027 Downloader::Downloader()
00028 {
00029   curl = curl_easy_init();
00030 }
00031 
00032 Downloader::~Downloader()
00033 {
00034   curl_easy_cleanup(curl);
00035 }
00036 
00037 size_t download_callback(void* buf, size_t size, size_t nmemb, void* fd)
00038 {
00039   fwrite(buf, size, nmemb, (FILE*)fd);
00040   return nmemb;
00041 }
00042 
00043 bool Downloader::Get(const char* url, const char* save_as)
00044 {
00045   FILE* fd = fopen( save_as, "w");
00046   curl_easy_setopt(curl, CURLOPT_FILE, fd);
00047   curl_easy_setopt(curl, CURLOPT_URL, url);
00048   curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, download_callback);
00049   CURLcode r = curl_easy_perform(curl);
00050   fclose(fd);
00051 
00052   return (r == CURLE_OK);
00053 }

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