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add copy_io_with_head

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Hatter Jiang
2019-08-07 00:06:40 +08:00
parent a30f625a73
commit 390a62d88b
1 changed files with 10 additions and 2 deletions
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12
src/util_io.rs
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@@ -9,8 +9,14 @@ use super::util_msg::print_lastline;
pub const DEFAULT_BUF_SIZE: usize = 8 * 1024;
pub fn copy_io<R: ?Sized, W: ?Sized>(reader: &mut R, writer: &mut W, total: i64) -> io::Result<u64>
where R: io::Read, W: io::Write {
copy_io_with_head(reader, writer, total, "Downloading")
}
pub fn copy_io_with_head<R: ?Sized, W: ?Sized>(reader: &mut R, writer: &mut W, total: i64, head: &str) -> io::Result<u64>
where R: io::Read, W: io::Write {
//let written_cell = RefCell::new(0u64);
let start = SystemTime::now();
let written = copy_io_callback(reader, writer, total, &|total, written, _len| {
@@ -22,12 +28,14 @@ pub fn copy_io<R: ?Sized, W: ?Sized>(reader: &mut R, writer: &mut W, total: i64)
download_speed = format!("{}/s", get_display_size((written / cost) as i64));
}
if total > 0 {
print_lastline(&format!("Downloading, Total: {}, Downloaded: {}, Speed: {}",
print_lastline(&format!("{}, Total: {}, Finished: {}, Speed: {}",
head,
get_display_size(total),
get_display_size(written as i64),
download_speed));
} else {
print_lastline(&format!("Downloading, Downloaded: {}, Speed: {}",
print_lastline(&format!("{}, Finished: {}, Speed: {}",
head,
get_display_size(written as i64),
download_speed));
}