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mirror of https://github.com/vlang/v.git synced 2023-08-10 21:13:21 +03:00

http/download.v: replace C code with V + clean up

This commit is contained in:
Alexander Medvednikov 2019-06-23 23:02:11 +02:00
parent b6948ad9af
commit 35cef79149
3 changed files with 25 additions and 88 deletions

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@ -1,52 +0,0 @@
// 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.
module http
import os
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 {
data := &DownloadStruct(userp)
# size_t written = fwrite(ptr, size, nmemb, (FILE*)(data->stream));
# 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)
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);
# curl_easy_cleanup(curl);
# fclose(fp);
# void (*finished)() =cb_finished; finished();
}
fn download_file(url, out string) {
}

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@ -6,63 +6,51 @@ module http
import os
struct LUEL {
age int
}
type downloadfn fn (written int)
type download_finished_fn fn ()
struct DownloadStruct {
mut:
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
mut data := &DownloadStruct(userp)
written := C.fwrite(ptr, size, nmemb, data.stream)
data.written += written
#data->cb(data->written); // TODO
return written
}
fn download_file_with_progress(url, out string, cb, cb_finished voidptr) {
/*
fn download_file_with_progress(url, out string, cb, cb_finished download_finished_fn) {
curl := C.curl_easy_init()
if isnil(curl) {
return
}
# FILE* fp = fopen(out.str,"wb");
# curl_easy_setopt(curl, CURLOPT_URL, url.str);
cout := out.cstr()
fp := C.fopen(cout, 'wb')
C.curl_easy_setopt(curl, CURLOPT_URL, url.cstr())
C.curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, download_cb)
// # curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, http__download_cb);
data := &DownloadStruct {
// stream:fp
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();
*/
C.curl_easy_setopt(curl, CURLOPT_WRITEDATA, data)
mut d := 0.0
C.curl_easy_getinfo(curl, CURLINFO_CONTENT_LENGTH_DOWNLOAD, &d)
C.curl_easy_perform(curl)
C.curl_easy_cleanup(curl)
C.fclose(fp)
#cb_finished(); // TODO
}
fn download_file(url, out string) {
// println('\nDOWNLOAD FILE $out url=$url')
// -L follow redirects
// println('curl -L -o "$out" "$url"')
os.system2('curl -s -L -o "$out" "$url"')
// res := os.system('curl -s -L -o "$out" "$url"')
// println(res)
download_file_with_progress(url, out, empty, empty)
}
fn empty() {
}

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@ -37,6 +37,7 @@ import const (
CURLOPT_POSTFIELDS
CURLOPT_CUSTOMREQUEST
CURLOPT_TCP_KEEPALIVE
CURLINFO_CONTENT_LENGTH_DOWNLOAD
CURLE_OK
)