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httpdownload.cxx    75 lines (63 with data), 2.3 kB

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/***************************************************************************
* _ _ ____ _
* Project ___| | | | _ \| |
* / __| | | | |_) | |
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
* Copyright (C) 1998 - 2013, Daniel Stenberg, <daniel@haxx.se>, et al.
*
* This software is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
* are also available at http://curl.haxx.se/docs/copyright.html.
*
* You may opt to use, copy, modify, merge, publish, distribute and/or sell
* copies of the Software, and permit persons to whom the Software is
* furnished to do so, under the terms of the COPYING file.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
***************************************************************************/
#include "config.h"
#include <stdio.h>
#include <string>
#include <sys/types.h>
#include <curl/curl.h>
#include "libupnpp/log.hxx"
#include "libupnpp/control/httpdownload.hxx"
using namespace std;
using namespace UPnPP;
static size_t
write_callback(void *contents, size_t size, size_t nmemb, void *userp)
{
size_t realsize = size * nmemb;
string* out = (string*)userp;
out->append((const char *)contents, realsize);
return realsize;
}
bool downloadUrlWithCurl(const string& url, string& out, long timeoutsecs)
{
CURL *curl;
CURLcode res;
bool ret = false;
curl = curl_easy_init();
if(!curl) {
LOGERR("downloadUrlWithCurl: curl_easy_init failed" << endl);
return false;
}
curl_easy_setopt(curl, CURLOPT_URL, url.c_str());
curl_easy_setopt(curl, CURLOPT_TIMEOUT, timeoutsecs);
curl_easy_setopt(curl, CURLOPT_NOSIGNAL, 1);
curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, write_callback);
curl_easy_setopt(curl, CURLOPT_WRITEDATA, &out);
res = curl_easy_perform(curl);
if(res != CURLE_OK) {
LOGERR("downloadUrlWithCurl: curl_easy_perform(): " <<
curl_easy_strerror(res) << endl);
} else {
ret = true;
}
curl_easy_cleanup(curl);
return ret;
}