1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
use Cancellable;
use Error;
use OutputStream;
use ffi;
use glib::object::IsA;
use glib::translate::*;
use glib_ffi;
use gobject_ffi;
use std::mem;
use std::ptr;
glib_wrapper! {
pub struct PollableOutputStream(Object<ffi::GPollableOutputStream, ffi::GPollableOutputStreamInterface>): OutputStream;
match fn {
get_type => || ffi::g_pollable_output_stream_get_type(),
}
}
pub trait PollableOutputStreamExt {
fn can_poll(&self) -> bool;
fn is_writable(&self) -> bool;
fn write_nonblocking<'a, P: Into<Option<&'a Cancellable>>>(&self, buffer: &[u8], cancellable: P) -> Result<isize, Error>;
}
impl<O: IsA<PollableOutputStream>> PollableOutputStreamExt for O {
fn can_poll(&self) -> bool {
unsafe {
from_glib(ffi::g_pollable_output_stream_can_poll(self.to_glib_none().0))
}
}
fn is_writable(&self) -> bool {
unsafe {
from_glib(ffi::g_pollable_output_stream_is_writable(self.to_glib_none().0))
}
}
fn write_nonblocking<'a, P: Into<Option<&'a Cancellable>>>(&self, buffer: &[u8], cancellable: P) -> Result<isize, Error> {
let cancellable = cancellable.into();
let cancellable = cancellable.to_glib_none();
let count = buffer.len() as usize;
unsafe {
let mut error = ptr::null_mut();
let ret = ffi::g_pollable_output_stream_write_nonblocking(self.to_glib_none().0, buffer.to_glib_none().0, count, cancellable.0, &mut error);
if error.is_null() { Ok(ret) } else { Err(from_glib_full(error)) }
}
}
}