57 lines
1.3 KiB
Go
57 lines
1.3 KiB
Go
// Copyright (c) 2019 Alexander Medvednikov. All rights reserved.
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// Use of this source code is governed by an MIT license
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// that can be found in the LICENSE file.
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module http
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import os
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type downloadfn fn (written int)
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type download_finished_fn fn ()
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struct DownloadStruct {
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mut:
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stream voidptr
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written int
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cb downloadfn
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}
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fn download_cb(ptr voidptr, size, nmemb size_t, userp voidptr) int {
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mut data := &DownloadStruct(userp)
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written := C.fwrite(ptr, size, nmemb, data.stream)
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data.written += written
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#data->cb(data->written); // TODO
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return written
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}
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fn download_file_with_progress(url, out string, cb, cb_finished download_finished_fn) {
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curl := C.curl_easy_init()
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if isnil(curl) {
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return
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}
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cout := out.cstr()
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fp := C.fopen(cout, 'wb')
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C.curl_easy_setopt(curl, CURLOPT_URL, url.cstr())
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C.curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, download_cb)
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data := &DownloadStruct {
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stream:fp
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cb: cb
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}
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C.curl_easy_setopt(curl, CURLOPT_WRITEDATA, data)
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mut d := 0.0
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C.curl_easy_getinfo(curl, CURLINFO_CONTENT_LENGTH_DOWNLOAD, &d)
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C.curl_easy_perform(curl)
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C.curl_easy_cleanup(curl)
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C.fclose(fp)
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#cb_finished(); // TODO
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}
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fn download_file(url, out string) {
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download_file_with_progress(url, out, empty, empty)
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}
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fn empty() {
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}
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