glibmm 2.80.0
Public Member Functions | Static Public Member Functions | Protected Member Functions | Related Functions | List of all members
Gio::UnixOutputStream Class Reference

UnixOutputStream implements OutputStream for writing to a a unix file descriptor, including asynchronous operations. More...

#include <giomm/unixoutputstream.h>

Inheritance diagram for Gio::UnixOutputStream:
Inheritance graph
[legend]

Public Member Functions

 UnixOutputStream (UnixOutputStream && src) noexcept
 
UnixOutputStreamoperator= (UnixOutputStream && src) noexcept
 
 ~UnixOutputStream () noexcept override
 
GUnixOutputStream * gobj ()
 Provides access to the underlying C GObject. More...
 
const GUnixOutputStream * gobj () const
 Provides access to the underlying C GObject. More...
 
GUnixOutputStream * gobj_copy ()
 Provides access to the underlying C instance. The caller is responsible for unrefing it. Use when directly setting fields in structs. More...
 
void set_close_fd (bool close_fd=true)
 Sets whether the file descriptor of stream shall be closed when the stream is closed. More...
 
bool get_close_fd () const
 Returns whether the file descriptor of stream will be closed when the stream is closed. More...
 
int get_fd () const
 Return the UNIX file descriptor that the stream writes to. More...
 
Glib::PropertyProxy_ReadOnly< int > property_fd () const
 The file descriptor that the stream writes to. More...
 
Glib::PropertyProxy< bool > property_close_fd ()
 Whether to close the file descriptor when the stream is closed. More...
 
Glib::PropertyProxy_ReadOnly< bool > property_close_fd () const
 Whether to close the file descriptor when the stream is closed. More...
 
- Public Member Functions inherited from Gio::OutputStream
 OutputStream (OutputStream && src) noexcept
 
OutputStreamoperator= (OutputStream && src) noexcept
 
 ~OutputStream () noexcept override
 
GOutputStream * gobj ()
 Provides access to the underlying C GObject. More...
 
const GOutputStream * gobj () const
 Provides access to the underlying C GObject. More...
 
GOutputStream * gobj_copy ()
 Provides access to the underlying C instance. The caller is responsible for unrefing it. Use when directly setting fields in structs. More...
 
gssize write (const void * buffer, gsize count, const Glib::RefPtr< Cancellable > & cancellable)
 Tries to write count bytes from buffer into the stream. More...
 
gssize write (const void * buffer, gsize count)
 A write() convenience overload. More...
 
gssize write (const std::string & buffer, const Glib::RefPtr< Cancellable > & cancellable)
 Tries to write count bytes from buffer into the stream. More...
 
gssize write (const std::string & buffer)
 Tries to write count bytes from buffer into the stream. More...
 
bool write_all (const void * buffer, gsize count, gsize & bytes_written, const Glib::RefPtr< Cancellable > & cancellable)
 Tries to write count bytes from buffer into the stream. More...
 
bool write_all (const void * buffer, gsize count, gsize & bytes_written)
 A write_all() convenience overload. More...
 
bool write_all (const std::string & buffer, gsize & bytes_written, const Glib::RefPtr< Cancellable > & cancellable)
 Tries to write count bytes from buffer into the stream. More...
 
bool write_all (const std::string & buffer, gsize & bytes_written)
 Tries to write count bytes from buffer into the stream. More...
 
gssize write_bytes (const Glib::RefPtr< const Glib::Bytes > & bytes, const Glib::RefPtr< Cancellable > & cancellable)
 A wrapper function for g_output_stream_write() which takes a Bytes as input. More...
 
gssize write_bytes (const Glib::RefPtr< const Glib::Bytes > & bytes)
 A write_bytes() convenience overload. More...
 
void write_bytes_async (const Glib::RefPtr< const Glib::Bytes > & bytes, const SlotAsyncReady & slot, const Glib::RefPtr< Cancellable > & cancellable, int io_priority=Glib::PRIORITY_DEFAULT)
 Request an asynchronous write of the data in bytes to the stream. More...
 
void write_bytes_async (const Glib::RefPtr< const Glib::Bytes > & bytes, const SlotAsyncReady & slot, int io_priority=Glib::PRIORITY_DEFAULT)
 Request an asynchronous write of the data in bytes to the stream. More...
 
gssize write_bytes_finish (const Glib::RefPtr< AsyncResult > & result)
 Finishes a stream write-from-Bytes operation. More...
 
gssize splice (const Glib::RefPtr< InputStream > & source, const Glib::RefPtr< Cancellable > & cancellable, SpliceFlags flags=SpliceFlags::NONE)
 Splices an input stream into an output stream. More...
 
gssize splice (const Glib::RefPtr< InputStream > & source, SpliceFlags flags=SpliceFlags::NONE)
 Splices an input stream into an output stream. More...
 
bool flush (const Glib::RefPtr< Cancellable > & cancellable)
 Flushed any outstanding buffers in the stream. More...
 
bool flush ()
 A flush() convenience overload. More...
 
bool close (const Glib::RefPtr< Cancellable > & cancellable)
 Closes the stream, releasing resources related to it. More...
 
bool close ()
 A close() convenience overload. More...
 
void write_async (const void * buffer, gsize count, const SlotAsyncReady & slot, const Glib::RefPtr< Cancellable > & cancellable, int io_priority=Glib::PRIORITY_DEFAULT)
 Request an asynchronous write of count bytes from buffer into the stream. More...
 
void write_async (const void * buffer, gsize count, const SlotAsyncReady & slot, int io_priority=Glib::PRIORITY_DEFAULT)
 Request an asynchronous write of count bytes from buffer into the stream. More...
 
gssize write_finish (const Glib::RefPtr< AsyncResult > & result)
 Finishes a stream write operation. More...
 
void write_all_async (const void * buffer, gsize count, const SlotAsyncReady & slot, const Glib::RefPtr< Cancellable > & cancellable, int io_priority=Glib::PRIORITY_DEFAULT)
 Request an asynchronous write of count bytes from buffer into the stream. More...
 
void write_all_async (const void * buffer, gsize count, const SlotAsyncReady & slot, int io_priority=Glib::PRIORITY_DEFAULT)
 Request an asynchronous write of count bytes from buffer into the stream. More...
 
bool write_all_finish (const Glib::RefPtr< AsyncResult > & result, gsize & bytes_written)
 Finishes an asynchronous stream write operation started with g_output_stream_write_all_async(). More...
 
void splice_async (const Glib::RefPtr< InputStream > & source, const SlotAsyncReady & slot, const Glib::RefPtr< Cancellable > & cancellable, SpliceFlags flags=SpliceFlags::NONE, int io_priority=Glib::PRIORITY_DEFAULT)
 Splices a stream asynchronously. More...
 
void splice_async (const Glib::RefPtr< InputStream > & source, const SlotAsyncReady & slot, SpliceFlags flags=SpliceFlags::NONE, int io_priority=Glib::PRIORITY_DEFAULT)
 Splices a stream asynchronously. More...
 
gssize splice_finish (const Glib::RefPtr< AsyncResult > & result)
 Finishes an asynchronous stream splice operation. More...
 
void flush_async (const SlotAsyncReady & slot, const Glib::RefPtr< Cancellable > & cancellable, int io_priority=Glib::PRIORITY_DEFAULT)
 Flushes a stream asynchronously. More...
 
void flush_async (const SlotAsyncReady & slot, int io_priority=Glib::PRIORITY_DEFAULT)
 Flushes a stream asynchronously. More...
 
bool flush_finish (const Glib::RefPtr< AsyncResult > & result)
 Finishes flushing an output stream. More...
 
void close_async (const SlotAsyncReady & slot, const Glib::RefPtr< Cancellable > & cancellable, int io_priority=Glib::PRIORITY_DEFAULT)
 Requests an asynchronous close of the stream, releasing resources related to it. More...
 
void close_async (const SlotAsyncReady & slot, int io_priority=Glib::PRIORITY_DEFAULT)
 Requests an asynchronous close of the stream, releasing resources related to it. More...
 
bool close_finish (const Glib::RefPtr< AsyncResult > & result)
 Closes an output stream. More...
 
bool is_closed () const
 Checks if an output stream has already been closed. More...
 
bool is_closing () const
 Checks if an output stream is being closed. More...
 
bool has_pending () const
 Checks if an output stream has pending actions. More...
 
- Public Member Functions inherited from Glib::Object
 Object (const Object &)=delete
 
Objectoperator= (const Object &)=delete
 
 Object (Object && src) noexcept
 
Objectoperator= (Object && src) noexcept
 
void * get_data (const QueryQuark & key)
 
void set_data (const Quark & key, void *data)
 
void set_data_with_c_callback (const Quark & key, void *data, GDestroyNotify notify)
 
void set_data (const Quark & key, void *data, DestroyNotify notify)
 Prefer set_data_with_c_callback() with a callback with C linkage. More...
 
void remove_data (const QueryQuark & quark)
 
void * steal_data (const QueryQuark & quark)
 
- Public Member Functions inherited from Glib::ObjectBase
 ObjectBase (const ObjectBase &)=delete
 
ObjectBaseoperator= (const ObjectBase &)=delete
 
void set_property_value (const Glib::ustring & property_name, const Glib::ValueBase & value)
 You probably want to use a specific property_*() accessor method instead. More...
 
void get_property_value (const Glib::ustring & property_name, Glib::ValueBase & value) const
 You probably want to use a specific property_*() accessor method instead. More...
 
template<class PropertyType >
void set_property (const Glib::ustring & property_name, const PropertyType & value)
 You probably want to use a specific property_*() accessor method instead. More...
 
template<class PropertyType >
void get_property (const Glib::ustring & property_name, PropertyType & value) const
 You probably want to use a specific property_*() accessor method instead. More...
 
template<class PropertyType >
PropertyType get_property (const Glib::ustring & property_name) const
 You probably want to use a specific property_*() accessor method instead. More...
 
sigc::connection connect_property_changed (const Glib::ustring & property_name, const sigc::slot< void()> & slot)
 You can use the signal_changed() signal of the property proxy instead. More...
 
sigc::connection connect_property_changed (const Glib::ustring & property_name, sigc::slot< void()> && slot)
 You can use the signal_changed() signal of the property proxy instead. More...
 
void freeze_notify ()
 Increases the freeze count on object. More...
 
void thaw_notify ()
 Reverts the effect of a previous call to freeze_notify(). More...
 
virtual void reference () const
 Increment the reference count for this object. More...
 
virtual void unreference () const
 Decrement the reference count for this object. More...
 
GObject * gobj ()
 Provides access to the underlying C GObject. More...
 
const GObject * gobj () const
 Provides access to the underlying C GObject. More...
 
GObject * gobj_copy () const
 Give a ref-ed copy to someone. Use for direct struct access. More...
 
- Public Member Functions inherited from Gio::PollableOutputStream
 PollableOutputStream (PollableOutputStream && src) noexcept
 
PollableOutputStreamoperator= (PollableOutputStream && src) noexcept
 
 ~PollableOutputStream () noexcept override
 
GPollableOutputStream * gobj ()
 Provides access to the underlying C GObject. More...
 
const GPollableOutputStream * gobj () const
 Provides access to the underlying C GObject. More...
 
bool can_poll () const
 Checks if stream is actually pollable. More...
 
bool is_writable () const
 Checks if stream can be written. More...
 
gssize write_nonblocking (const void * buffer, gsize count, const Glib::RefPtr< Cancellable > & cancellable)
 Attempts to write up to count bytes from buffer to stream, as with g_output_stream_write(). More...
 
gssize write_nonblocking (const void * buffer, gsize count)
 A write_nonblocking() convenience overload. More...
 
- Public Member Functions inherited from Glib::Interface
 Interface ()
 A Default constructor. More...
 
 Interface (Interface && src) noexcept
 
Interfaceoperator= (Interface && src) noexcept
 
 Interface (const Glib::Interface_Class & interface_class)
 Called by constructors of derived classes. More...
 
 Interface (GObject * castitem)
 Called by constructors of derived classes. More...
 
 ~Interface () noexcept override
 
 Interface (const Interface &)=delete
 
Interfaceoperator= (const Interface &)=delete
 
GObject * gobj ()
 
const GObject * gobj () const
 
- Public Member Functions inherited from Gio::FileDescriptorBased
 FileDescriptorBased (FileDescriptorBased && src) noexcept
 
FileDescriptorBasedoperator= (FileDescriptorBased && src) noexcept
 
 ~FileDescriptorBased () noexcept override
 
GFileDescriptorBased * gobj ()
 Provides access to the underlying C GObject. More...
 
const GFileDescriptorBased * gobj () const
 Provides access to the underlying C GObject. More...
 
int get_fd () const
 Gets the underlying file descriptor. More...
 

Static Public Member Functions

static GType get_type ()
 Get the GType for this class, for use with the underlying GObject type system. More...
 
static Glib::RefPtr< UnixOutputStreamcreate (int fd, bool close_fd)
 
- Static Public Member Functions inherited from Gio::OutputStream
static GType get_type ()
 Get the GType for this class, for use with the underlying GObject type system. More...
 
- Static Public Member Functions inherited from Gio::PollableOutputStream
static void add_interface (GType gtype_implementer)
 
static GType get_type ()
 Get the GType for this class, for use with the underlying GObject type system. More...
 
- Static Public Member Functions inherited from Gio::FileDescriptorBased
static void add_interface (GType gtype_implementer)
 
static GType get_type ()
 Get the GType for this class, for use with the underlying GObject type system. More...
 

Protected Member Functions

 UnixOutputStream (int fd, bool close_fd)
 
- Protected Member Functions inherited from Gio::OutputStream
 OutputStream ()
 
bool set_pending ()
 Sets stream to have actions pending. More...
 
void clear_pending ()
 Clears the pending flag on stream. More...
 
virtual gssize write_vfunc (const void * buffer, gsize count, const Glib::RefPtr< Cancellable > & cancellable)
 
virtual gssize splice_vfunc (const Glib::RefPtr< InputStream > & source, const Glib::RefPtr< Cancellable > & cancellable, SpliceFlags flags)
 
virtual bool flush_vfunc (const Glib::RefPtr< Cancellable > & cancellable)
 
virtual bool close_vfunc (const Glib::RefPtr< Cancellable > & cancellable)
 
- Protected Member Functions inherited from Glib::Object
 Object ()
 
 Object (const Glib::ConstructParams & construct_params)
 
 Object (GObject * castitem)
 
 ~Object () noexcept override
 
- Protected Member Functions inherited from Glib::ObjectBase
 ObjectBase ()
 This default constructor is called implicitly from the constructor of user-derived classes, even if, for instance, Gtk::Button calls a different ObjectBase constructor. More...
 
 ObjectBase (const char * custom_type_name)
 A derived constructor always overrides this choice. More...
 
 ObjectBase (const std::type_info & custom_type_info)
 This constructor is a special feature to allow creation of derived types on the fly, without having to use g_object_new() manually. More...
 
 ObjectBase (ObjectBase && src) noexcept
 
ObjectBaseoperator= (ObjectBase && src) noexcept
 
virtual ~ObjectBase () noexcept=0
 
void initialize (GObject * castitem)
 
void initialize_move (GObject * castitem, Glib::ObjectBase * previous_wrapper)
 
- Protected Member Functions inherited from Gio::PollableOutputStream
 PollableOutputStream ()
 You should derive from this class to use it. More...
 
virtual bool can_poll_vfunc () const
 
virtual bool is_writable_vfunc () const
 
virtual gssize write_nonblocking_vfunc (const void * buffer, gsize count)
 
- Protected Member Functions inherited from Gio::FileDescriptorBased
 FileDescriptorBased ()
 You should derive from this class to use it. More...
 
virtual int get_fd_vfunc () const
 

Related Functions

(Note that these are not member functions.)

Glib::RefPtr< Gio::UnixOutputStreamwrap (GUnixOutputStream * object, bool take_copy=false)
 A Glib::wrap() method for this object. More...
 

Additional Inherited Members

- Public Types inherited from Gio::OutputStream
enum class  SpliceFlags {
  SpliceFlags::NONE = 0x0 ,
  SpliceFlags::CLOSE_SOURCE = (1 << 0) ,
  SpliceFlags::CLOSE_TARGET = (1 << 1)
}
 GOutputStreamSpliceFlags determine how streams should be spliced. More...
 
- Public Types inherited from Glib::Object
using DestroyNotify = void(*)(gpointer data)
 

Detailed Description

UnixOutputStream implements OutputStream for writing to a a unix file descriptor, including asynchronous operations.

The file descriptor much be selectable, so it doesn't work with opened files.

Since glibmm 2.16:

Constructor & Destructor Documentation

◆ UnixOutputStream() [1/2]

Gio::UnixOutputStream::UnixOutputStream ( UnixOutputStream &&  src)
noexcept

◆ ~UnixOutputStream()

Gio::UnixOutputStream::~UnixOutputStream ( )
overridenoexcept

◆ UnixOutputStream() [2/2]

Gio::UnixOutputStream::UnixOutputStream ( int  fd,
bool  close_fd 
)
explicitprotected

Member Function Documentation

◆ create()

static Glib::RefPtr< UnixOutputStream > Gio::UnixOutputStream::create ( int  fd,
bool  close_fd 
)
static

◆ get_close_fd()

bool Gio::UnixOutputStream::get_close_fd ( ) const

Returns whether the file descriptor of stream will be closed when the stream is closed.

Since glibmm 2.20:
Returns
true if the file descriptor is closed when done.

◆ get_fd()

int Gio::UnixOutputStream::get_fd ( ) const

Return the UNIX file descriptor that the stream writes to.

Since glibmm 2.20:
Returns
The file descriptor of stream.

◆ get_type()

static GType Gio::UnixOutputStream::get_type ( )
static

Get the GType for this class, for use with the underlying GObject type system.

◆ gobj() [1/2]

GUnixOutputStream * Gio::UnixOutputStream::gobj ( )
inline

Provides access to the underlying C GObject.

◆ gobj() [2/2]

const GUnixOutputStream * Gio::UnixOutputStream::gobj ( ) const
inline

Provides access to the underlying C GObject.

◆ gobj_copy()

GUnixOutputStream * Gio::UnixOutputStream::gobj_copy ( )

Provides access to the underlying C instance. The caller is responsible for unrefing it. Use when directly setting fields in structs.

◆ operator=()

UnixOutputStream & Gio::UnixOutputStream::operator= ( UnixOutputStream &&  src)
noexcept

◆ property_close_fd() [1/2]

Glib::PropertyProxy< bool > Gio::UnixOutputStream::property_close_fd ( )

Whether to close the file descriptor when the stream is closed.

Since glibmm 2.20:

Default value: true

Returns
A PropertyProxy that allows you to get or set the value of the property, or receive notification when the value of the property changes.

◆ property_close_fd() [2/2]

Glib::PropertyProxy_ReadOnly< bool > Gio::UnixOutputStream::property_close_fd ( ) const

Whether to close the file descriptor when the stream is closed.

Since glibmm 2.20:

Default value: true

Returns
A PropertyProxy_ReadOnly that allows you to get the value of the property, or receive notification when the value of the property changes.

◆ property_fd()

Glib::PropertyProxy_ReadOnly< int > Gio::UnixOutputStream::property_fd ( ) const

The file descriptor that the stream writes to.

Since glibmm 2.20:

Default value: -1

Returns
A PropertyProxy_ReadOnly that allows you to get the value of the property, or receive notification when the value of the property changes.

◆ set_close_fd()

void Gio::UnixOutputStream::set_close_fd ( bool  close_fd = true)

Sets whether the file descriptor of stream shall be closed when the stream is closed.

Since glibmm 2.20:
Parameters
close_fdtrue to close the file descriptor when done.

Friends And Related Function Documentation

◆ wrap()

Glib::RefPtr< Gio::UnixOutputStream > wrap ( GUnixOutputStream *  object,
bool  take_copy = false 
)
related

A Glib::wrap() method for this object.

Parameters
objectThe C instance.
take_copyFalse if the result should take ownership of the C instance. True if it should take a new copy or ref.
Returns
A C++ instance that wraps this C instance.