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2025-05-10 21:49:39 +08:00
/*
* Copyright (C) 2023 Rockchip Electronics Co., Ltd.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <stdio.h>
#include <curl/curl.h>
#include <string.h>
#include <stdbool.h>
#include "log.h"
size_t my_write_func(void *ptr, size_t size, size_t nmemb, FILE *stream)
{
return fwrite(ptr, size, nmemb, stream);
}
extern double processvalue;
static int down_processvalue;
int my_progress_func(char *progress_data,
double t, /* dltotal */
double d, /* dlnow */
double ultotal,
double ulnow)
{
processvalue = ulnow / ultotal * 100 / 110;
//LOGI("ultotal is %f, ulnow is %f, t is %f, d is %f\n", ultotal, ulnow, t, d);
if (down_processvalue != (int)(d / t * 100)) {
down_processvalue = (int)(d / t * 100);
LOGI("down_processvalue is %d%\n", down_processvalue);
}
return 0;
}
int download_file(char *url, char const *output_filename)
{
if (strncmp(url, "http", 4) != 0) {
LOGI("where the file is local.\n");
return -2;
}
CURL *curl;
CURLcode res;
FILE *outfile;
char const *progress_data = "* ";
down_processvalue = -1;
curl = curl_easy_init();
if (curl) {
outfile = fopen(output_filename, "wb");
curl_easy_setopt(curl, CURLOPT_URL, url);
curl_easy_setopt(curl, CURLOPT_WRITEDATA, outfile);
curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, my_write_func);
curl_easy_setopt(curl, CURLOPT_NOPROGRESS, false);
curl_easy_setopt(curl, CURLOPT_PROGRESSFUNCTION, my_progress_func);
curl_easy_setopt(curl, CURLOPT_PROGRESSDATA, progress_data);
res = curl_easy_perform(curl);
if (res != CURLE_OK)
LOGE("curl_easy_perform() failed: %s\n", curl_easy_strerror(res));
fclose(outfile);
/* always cleanup */
curl_easy_cleanup(curl);
}
if (res != CURLE_OK) {
LOGE("download Error.\n");
return -1;
}
return 0;
}