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v/http/download_lin.v

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2019-06-23 05:21:30 +03:00
// Copyright (c) 2019 Alexander Medvednikov. All rights reserved.
// Use of this source code is governed by an MIT license
// that can be found in the LICENSE file.
2019-06-22 21:20:28 +03:00
module http
import os
@size_t kek
type downloadfn fn (written int)
struct DownloadStruct {
stream voidptr
written int
cb downloadfn
}
fn download_cb(ptr voidptr, size, nmemb size_t, userp voidptr) int {
// # struct http__MemoryStruct *mem = (struct http__MemoryStruct *)userp;
data := &DownloadStruct(userp)
# size_t written = fwrite(ptr, size, nmemb, (FILE*)(data->stream));
// # printf("!!!%d\n", written);
# data->written += written;
if !isnil(data.cb) {
# data->cb(data->written);
}
# return written;
return 0
}
fn download_file_with_progress(url, out string, cb, cb_finished voidptr) {
curl := C.curl_easy_init()
if isnil(curl) {
return
}
# FILE* fp = fopen(out.str,"wb");
# curl_easy_setopt(curl, CURLOPT_URL, url.str);
C.curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, download_cb)
// # curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, http__download_cb);
data := &DownloadStruct {
// stream:fp
cb: cb
}
# data->stream = fp;
# curl_easy_setopt(curl, CURLOPT_WRITEDATA, data);
# double d = 0;
# curl_easy_getinfo(curl, CURLINFO_CONTENT_LENGTH_DOWNLOAD, &d);
# CURLcode res = curl_easy_perform(curl);
println('DONE!')
# curl_easy_cleanup(curl);
# fclose(fp);
# void (*finished)() =cb_finished; finished();
}
fn download_file(url, out string) {
// println('\nDOWNLOAD FILE $out url=$url')
// -L follow redirects
// println('curl -L -o "$out" "$url"')
res := os.system('curl -s -L -o "$out" "$url"')
// res := os.system('curl -s -L -o "$out" "$url"')
// println(res)
}