Struct gio::PollableOutputStream
source · #[repr(transparent)]pub struct PollableOutputStream { /* private fields */ }
Expand description
PollableOutputStream
is implemented by GOutputStreams
that
can be polled for readiness to write. This can be used when
interfacing with a non-GIO API that expects
UNIX-file-descriptor-style asynchronous I/O rather than GIO-style.
Implements
PollableOutputStreamExt
, OutputStreamExt
, glib::ObjectExt
, PollableOutputStreamExtManual
, OutputStreamExtManual
Implementations§
source§impl PollableOutputStream
impl PollableOutputStream
pub const NONE: Option<&'static PollableOutputStream> = None
Trait Implementations§
source§impl Clone for PollableOutputStream
impl Clone for PollableOutputStream
source§impl Debug for PollableOutputStream
impl Debug for PollableOutputStream
source§impl Display for PollableOutputStream
impl Display for PollableOutputStream
source§impl Hash for PollableOutputStream
impl Hash for PollableOutputStream
source§impl Ord for PollableOutputStream
impl Ord for PollableOutputStream
source§impl<OT: ObjectType> PartialEq<OT> for PollableOutputStream
impl<OT: ObjectType> PartialEq<OT> for PollableOutputStream
source§impl<OT: ObjectType> PartialOrd<OT> for PollableOutputStream
impl<OT: ObjectType> PartialOrd<OT> for PollableOutputStream
1.0.0 · source§fn le(&self, other: &Rhs) -> bool
fn le(&self, other: &Rhs) -> bool
This method tests less than or equal to (for
self
and other
) and is used by the <=
operator. Read moresource§impl StaticType for PollableOutputStream
impl StaticType for PollableOutputStream
source§fn static_type() -> Type
fn static_type() -> Type
Returns the type identifier of
Self
.impl Eq for PollableOutputStream
impl IsA<OutputStream> for PollableOutputStream
impl IsA<PollableOutputStream> for ConverterOutputStream
impl IsA<PollableOutputStream> for MemoryOutputStream
impl IsA<PollableOutputStream> for UnixOutputStream
Available on Unix only.
Auto Trait Implementations§
impl RefUnwindSafe for PollableOutputStream
impl !Send for PollableOutputStream
impl !Sync for PollableOutputStream
impl Unpin for PollableOutputStream
impl UnwindSafe for PollableOutputStream
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called. You can then call g_output_stream_close_finish()
to get
the result of the operation. Read morefn close_future( &self, io_priority: Priority ) -> Pin<Box<dyn Future<Output = Result<(), Error>> + 'static, Global>>
source§fn flush(
&self,
cancellable: Option<&impl IsA<Cancellable>>
) -> Result<(), Error>
fn flush( &self, cancellable: Option<&impl IsA<Cancellable>> ) -> Result<(), Error>
Forces a write of all user-space buffered data for the given
self
. Will block during the operation. Closing the stream will
implicitly cause a flush. Read moresource§fn flush_async<P>(
&self,
io_priority: Priority,
cancellable: Option<&impl IsA<Cancellable>>,
callback: P
)where
P: FnOnce(Result<(), Error>) + 'static,
fn flush_async<P>( &self, io_priority: Priority, cancellable: Option<&impl IsA<Cancellable>>, callback: P )where P: FnOnce(Result<(), Error>) + 'static,
fn flush_future( &self, io_priority: Priority ) -> Pin<Box<dyn Future<Output = Result<(), Error>> + 'static, Global>>
source§fn has_pending(&self) -> bool
fn has_pending(&self) -> bool
Checks if an output stream has pending actions. Read more
source§fn is_closing(&self) -> bool
fn is_closing(&self) -> bool
Checks if an output stream is being closed. This can be
used inside e.g. a flush implementation to see if the
flush (or other i/o operation) is called from within
the closing operation. Read more
source§fn splice(
&self,
source: &impl IsA<InputStream>,
flags: OutputStreamSpliceFlags,
cancellable: Option<&impl IsA<Cancellable>>
) -> Result<isize, Error>
fn splice( &self, source: &impl IsA<InputStream>, flags: OutputStreamSpliceFlags, cancellable: Option<&impl IsA<Cancellable>> ) -> Result<isize, Error>
Splices an input stream into an output stream. Read more
source§fn splice_async<P>(
&self,
source: &impl IsA<InputStream>,
flags: OutputStreamSpliceFlags,
io_priority: Priority,
cancellable: Option<&impl IsA<Cancellable>>,
callback: P
)where
P: FnOnce(Result<isize, Error>) + 'static,
fn splice_async<P>( &self, source: &impl IsA<InputStream>, flags: OutputStreamSpliceFlags, io_priority: Priority, cancellable: Option<&impl IsA<Cancellable>>, callback: P )where P: FnOnce(Result<isize, Error>) + 'static,
Splices a stream asynchronously.
When the operation is finished
callback
will be called.
You can then call g_output_stream_splice_finish()
to get the
result of the operation. Read morefn splice_future( &self, source: &impl IsA<InputStream> + Clone + 'static, flags: OutputStreamSpliceFlags, io_priority: Priority ) -> Pin<Box<dyn Future<Output = Result<isize, Error>> + 'static, Global>>
source§fn write(
&self,
buffer: &[u8],
cancellable: Option<&impl IsA<Cancellable>>
) -> Result<isize, Error>
fn write( &self, buffer: &[u8], cancellable: Option<&impl IsA<Cancellable>> ) -> Result<isize, Error>
source§fn write_bytes(
&self,
bytes: &Bytes,
cancellable: Option<&impl IsA<Cancellable>>
) -> Result<isize, Error>
fn write_bytes( &self, bytes: &Bytes, cancellable: Option<&impl IsA<Cancellable>> ) -> Result<isize, Error>
A wrapper function for
write()
which takes a
glib::Bytes
as input. This can be more convenient for use by language
bindings or in other cases where the refcounted nature of glib::Bytes
is helpful over a bare pointer interface. Read moresource§fn write_bytes_async<P>(
&self,
bytes: &Bytes,
io_priority: Priority,
cancellable: Option<&impl IsA<Cancellable>>,
callback: P
)where
P: FnOnce(Result<isize, Error>) + 'static,
fn write_bytes_async<P>( &self, bytes: &Bytes, io_priority: Priority, cancellable: Option<&impl IsA<Cancellable>>, callback: P )where P: FnOnce(Result<isize, Error>) + 'static,
This function is similar to
OutputStreamExtManual::write_async()
, but
takes a glib::Bytes
as input. Due to the refcounted nature of glib::Bytes
,
this allows the stream to avoid taking a copy of the data. Read morefn write_bytes_future( &self, bytes: &Bytes, io_priority: Priority ) -> Pin<Box<dyn Future<Output = Result<isize, Error>> + 'static, Global>>
source§impl<O> OutputStreamExtManual for Owhere
O: IsA<OutputStream>,
impl<O> OutputStreamExtManual for Owhere O: IsA<OutputStream>,
source§fn write_async<B, Q, C>(
&self,
buffer: B,
io_priority: Priority,
cancellable: Option<&C>,
callback: Q
)where
B: AsRef<[u8]> + Send + 'static,
Q: FnOnce(Result<(B, usize), (B, Error)>) + 'static,
C: IsA<Cancellable>,
fn write_async<B, Q, C>( &self, buffer: B, io_priority: Priority, cancellable: Option<&C>, callback: Q )where B: AsRef<[u8]> + Send + 'static, Q: FnOnce(Result<(B, usize), (B, Error)>) + 'static, C: IsA<Cancellable>,
Request an asynchronous write of
count
bytes from buffer
into
the stream. When the operation is finished callback
will be called.
You can then call g_output_stream_write_finish()
to get the result of the
operation. Read moresource§fn write_all<C>(
&self,
buffer: &[u8],
cancellable: Option<&C>
) -> Result<(usize, Option<Error>), Error>where
C: IsA<Cancellable>,
fn write_all<C>( &self, buffer: &[u8], cancellable: Option<&C> ) -> Result<(usize, Option<Error>), Error>where C: IsA<Cancellable>,
source§fn write_all_async<B, Q, C>(
&self,
buffer: B,
io_priority: Priority,
cancellable: Option<&C>,
callback: Q
)where
B: AsRef<[u8]> + Send + 'static,
Q: FnOnce(Result<(B, usize, Option<Error>), (B, Error)>) + 'static,
C: IsA<Cancellable>,
fn write_all_async<B, Q, C>( &self, buffer: B, io_priority: Priority, cancellable: Option<&C>, callback: Q )where B: AsRef<[u8]> + Send + 'static, Q: FnOnce(Result<(B, usize, Option<Error>), (B, Error)>) + 'static, C: IsA<Cancellable>,
Request an asynchronous write of
count
bytes from buffer
into
the stream. When the operation is finished callback
will be called.
You can then call g_output_stream_write_all_finish()
to get the result of the
operation. Read morefn write_future<B, 'a>( &self, buffer: B, io_priority: Priority ) -> Pin<Box<dyn Future<Output = Result<(B, usize), (B, Error)>> + 'static, Global>>where B: AsRef<[u8]> + Send + 'static,
fn write_all_future<B, 'a>( &self, buffer: B, io_priority: Priority ) -> Pin<Box<dyn Future<Output = Result<(B, usize, Option<Error>), (B, Error)>> + 'static, Global>>where B: AsRef<[u8]> + Send + 'static,
fn into_write(self) -> OutputStreamWrite<Self> ⓘwhere Self: IsA<OutputStream>,
source§impl<O> PollableOutputStreamExt for Owhere
O: IsA<PollableOutputStream>,
impl<O> PollableOutputStreamExt for Owhere O: IsA<PollableOutputStream>,
source§fn can_poll(&self) -> bool
fn can_poll(&self) -> bool
Checks if
self
is actually pollable. Some classes may implement
PollableOutputStream
but have only certain instances of that
class be pollable. If this method returns false
, then the behavior
of other PollableOutputStream
methods is undefined. Read moresource§fn is_writable(&self) -> bool
fn is_writable(&self) -> bool
Checks if
self
can be written. Read moresource§fn write_nonblocking(
&self,
buffer: &[u8],
cancellable: Option<&impl IsA<Cancellable>>
) -> Result<isize, Error>
fn write_nonblocking( &self, buffer: &[u8], cancellable: Option<&impl IsA<Cancellable>> ) -> Result<isize, Error>
Attempts to write up to
count
bytes from buffer
to self
, as
with OutputStreamExt::write()
. If self
is not currently writable,
this will immediately return IOErrorEnum::WouldBlock
, and you can
use PollableOutputStreamExtManual::create_source()
to create a glib::Source
that will be triggered when self
is writable. Read moresource§impl<O> PollableOutputStreamExtManual for Owhere
O: IsA<PollableOutputStream>,
impl<O> PollableOutputStreamExtManual for Owhere O: IsA<PollableOutputStream>,
source§fn create_source<F, C>(
&self,
cancellable: Option<&C>,
name: Option<&str>,
priority: Priority,
func: F
) -> Sourcewhere
F: FnMut(&O) -> Continue + 'static,
C: IsA<Cancellable>,
fn create_source<F, C>( &self, cancellable: Option<&C>, name: Option<&str>, priority: Priority, func: F ) -> Sourcewhere F: FnMut(&O) -> Continue + 'static, C: IsA<Cancellable>,
Creates a
glib::Source
that triggers when self
can be written, or
cancellable
is triggered or an error occurs. The callback on the
source is of the GPollableSourceFunc
type. Read morefn create_source_future<C>( &self, cancellable: Option<&C>, priority: Priority ) -> Pin<Box<dyn Future<Output = ()> + 'static, Global>>where C: IsA<Cancellable>,
fn create_source_stream<C>( &self, cancellable: Option<&C>, priority: Priority ) -> Pin<Box<dyn Stream<Item = ()> + 'static, Global>>where C: IsA<Cancellable>,
fn into_async_write(self) -> Result<OutputStreamAsyncWrite<Self>, Self>where Self: IsA<PollableOutputStream>,
source§impl<T> StaticTypeExt for Twhere
T: StaticType,
impl<T> StaticTypeExt for Twhere T: StaticType,
source§fn ensure_type()
fn ensure_type()
Ensures that the type has been registered with the type system.