1 /*
2 * Copyright (C) 2023 Rockchip Electronics Co., Ltd.
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #include <stdio.h>
18 #include <curl/curl.h>
19 #include <string.h>
20 #include <stdbool.h>
21 #include "log.h"
22
my_write_func(void * ptr,size_t size,size_t nmemb,FILE * stream)23 size_t my_write_func(void *ptr, size_t size, size_t nmemb, FILE *stream)
24 {
25 return fwrite(ptr, size, nmemb, stream);
26 }
27
28 extern double processvalue;
29 static int down_processvalue;
30
my_progress_func(char * progress_data,double t,double d,double ultotal,double ulnow)31 int my_progress_func(char *progress_data,
32 double t, /* dltotal */
33 double d, /* dlnow */
34 double ultotal,
35 double ulnow)
36 {
37 processvalue = ulnow / ultotal * 100 / 110;
38 //LOGI("ultotal is %f, ulnow is %f, t is %f, d is %f\n", ultotal, ulnow, t, d);
39 if (down_processvalue != (int)(d / t * 100)) {
40 down_processvalue = (int)(d / t * 100);
41 LOGI("down_processvalue is %d%\n", down_processvalue);
42 }
43
44 return 0;
45 }
46
download_file(char * url,char const * output_filename)47 int download_file(char *url, char const *output_filename)
48 {
49 if (strncmp(url, "http", 4) != 0) {
50 LOGI("where the file is local.\n");
51 return -2;
52 }
53 CURL *curl;
54 CURLcode res;
55 FILE *outfile;
56 char const *progress_data = "* ";
57 down_processvalue = -1;
58
59 curl = curl_easy_init();
60 if (curl) {
61 outfile = fopen(output_filename, "wb");
62
63 curl_easy_setopt(curl, CURLOPT_URL, url);
64 curl_easy_setopt(curl, CURLOPT_WRITEDATA, outfile);
65 curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, my_write_func);
66 curl_easy_setopt(curl, CURLOPT_NOPROGRESS, false);
67 curl_easy_setopt(curl, CURLOPT_PROGRESSFUNCTION, my_progress_func);
68 curl_easy_setopt(curl, CURLOPT_PROGRESSDATA, progress_data);
69
70 res = curl_easy_perform(curl);
71
72 if (res != CURLE_OK)
73 LOGE("curl_easy_perform() failed: %s\n", curl_easy_strerror(res));
74 fclose(outfile);
75 /* always cleanup */
76 curl_easy_cleanup(curl);
77 }
78 if (res != CURLE_OK) {
79 LOGE("download Error.\n");
80 return -1;
81 }
82 return 0;
83 }
84
85