// This file was generated by gir (https://github.com/gtk-rs/gir)
// from gir-files (https://github.com/gtk-rs/gir-files)
// DO NOT EDIT

use crate::AsyncResult;
use crate::Cancellable;
use crate::IOStream;
use crate::Socket;
use crate::SocketAddress;
use crate::SocketFamily;
use crate::SocketType;
use glib::object::IsA;
use glib::translate::*;
use std::boxed::Box as Box_;
use std::fmt;
use std::pin::Pin;
use std::ptr;

glib::wrapper! {
    /// [`SocketConnection`][crate::SocketConnection] is a [`IOStream`][crate::IOStream] for a connected socket. They
    /// can be created either by [`SocketClient`][crate::SocketClient] when connecting to a host,
    /// or by [`SocketListener`][crate::SocketListener] when accepting a new client.
    ///
    /// The type of the [`SocketConnection`][crate::SocketConnection] object returned from these calls
    /// depends on the type of the underlying socket that is in use. For
    /// instance, for a TCP/IP connection it will be a [`TcpConnection`][crate::TcpConnection].
    ///
    /// Choosing what type of object to construct is done with the socket
    /// connection factory, and it is possible for 3rd parties to register
    /// custom socket connection types for specific combination of socket
    /// family/type/protocol using [`factory_register_type()`][Self::factory_register_type()].
    ///
    /// To close a [`SocketConnection`][crate::SocketConnection], use [`IOStreamExt::close()`][crate::prelude::IOStreamExt::close()]. Closing both
    /// substreams of the [`IOStream`][crate::IOStream] separately will not close the underlying
    /// [`Socket`][crate::Socket].
    ///
    /// # Implements
    ///
    /// [`SocketConnectionExt`][trait@crate::prelude::SocketConnectionExt], [`IOStreamExt`][trait@crate::prelude::IOStreamExt], [`trait@glib::ObjectExt`], [`IOStreamExtManual`][trait@crate::prelude::IOStreamExtManual]
    #[doc(alias = "GSocketConnection")]
    pub struct SocketConnection(Object<ffi::GSocketConnection, ffi::GSocketConnectionClass>) @extends IOStream;

    match fn {
        type_ => || ffi::g_socket_connection_get_type(),
    }
}

impl SocketConnection {
    pub const NONE: Option<&'static SocketConnection> = None;

    /// Looks up the `GType` to be used when creating socket connections on
    /// sockets with the specified `family`, `type_` and `protocol_id`.
    ///
    /// If no type is registered, the [`SocketConnection`][crate::SocketConnection] base type is returned.
    /// ## `family`
    /// a [`SocketFamily`][crate::SocketFamily]
    /// ## `type_`
    /// a [`SocketType`][crate::SocketType]
    /// ## `protocol_id`
    /// a protocol id
    ///
    /// # Returns
    ///
    /// a `GType`
    #[doc(alias = "g_socket_connection_factory_lookup_type")]
    pub fn factory_lookup_type(
        family: SocketFamily,
        type_: SocketType,
        protocol_id: i32,
    ) -> glib::types::Type {
        unsafe {
            from_glib(ffi::g_socket_connection_factory_lookup_type(
                family.into_glib(),
                type_.into_glib(),
                protocol_id,
            ))
        }
    }

    /// Looks up the `GType` to be used when creating socket connections on
    /// sockets with the specified `family`, `type_` and `protocol`.
    ///
    /// If no type is registered, the [`SocketConnection`][crate::SocketConnection] base type is returned.
    /// ## `g_type`
    /// a `GType`, inheriting from `G_TYPE_SOCKET_CONNECTION`
    /// ## `family`
    /// a [`SocketFamily`][crate::SocketFamily]
    /// ## `type_`
    /// a [`SocketType`][crate::SocketType]
    /// ## `protocol`
    /// a protocol id
    #[doc(alias = "g_socket_connection_factory_register_type")]
    pub fn factory_register_type(
        g_type: glib::types::Type,
        family: SocketFamily,
        type_: SocketType,
        protocol: i32,
    ) {
        unsafe {
            ffi::g_socket_connection_factory_register_type(
                g_type.into_glib(),
                family.into_glib(),
                type_.into_glib(),
                protocol,
            );
        }
    }
}

/// Trait containing all [`struct@SocketConnection`] methods.
///
/// # Implementors
///
/// [`SocketConnection`][struct@crate::SocketConnection], [`TcpConnection`][struct@crate::TcpConnection]
pub trait SocketConnectionExt: 'static {
    /// Connect `self` to the specified remote address.
    /// ## `address`
    /// a [`SocketAddress`][crate::SocketAddress] specifying the remote address.
    /// ## `cancellable`
    /// a `GCancellable` or [`None`]
    ///
    /// # Returns
    ///
    /// [`true`] if the connection succeeded, [`false`] on error
    #[doc(alias = "g_socket_connection_connect")]
    fn connect(
        &self,
        address: &impl IsA<SocketAddress>,
        cancellable: Option<&impl IsA<Cancellable>>,
    ) -> Result<(), glib::Error>;

    /// Asynchronously connect `self` to the specified remote address.
    ///
    /// This clears the `property::Socket::blocking` flag on `self`'s underlying
    /// socket if it is currently set.
    ///
    /// Use `g_socket_connection_connect_finish()` to retrieve the result.
    /// ## `address`
    /// a [`SocketAddress`][crate::SocketAddress] specifying the remote address.
    /// ## `cancellable`
    /// a `GCancellable` or [`None`]
    /// ## `callback`
    /// a `GAsyncReadyCallback`
    #[doc(alias = "g_socket_connection_connect_async")]
    fn connect_async<P: FnOnce(Result<(), glib::Error>) + 'static>(
        &self,
        address: &impl IsA<SocketAddress>,
        cancellable: Option<&impl IsA<Cancellable>>,
        callback: P,
    );

    fn connect_future(
        &self,
        address: &(impl IsA<SocketAddress> + Clone + 'static),
    ) -> Pin<Box_<dyn std::future::Future<Output = Result<(), glib::Error>> + 'static>>;

    /// Try to get the local address of a socket connection.
    ///
    /// # Returns
    ///
    /// a [`SocketAddress`][crate::SocketAddress] or [`None`] on error.
    ///  Free the returned object with `g_object_unref()`.
    #[doc(alias = "g_socket_connection_get_local_address")]
    #[doc(alias = "get_local_address")]
    fn local_address(&self) -> Result<SocketAddress, glib::Error>;

    /// Try to get the remote address of a socket connection.
    ///
    /// Since GLib 2.40, when used with [`SocketClientExt::connect()`][crate::prelude::SocketClientExt::connect()] or
    /// [`SocketClientExt::connect_async()`][crate::prelude::SocketClientExt::connect_async()], during emission of
    /// [`SocketClientEvent::Connecting`][crate::SocketClientEvent::Connecting], this function will return the remote
    /// address that will be used for the connection. This allows
    /// applications to print e.g. "Connecting to example.com
    /// (10.42.77.3)...".
    ///
    /// # Returns
    ///
    /// a [`SocketAddress`][crate::SocketAddress] or [`None`] on error.
    ///  Free the returned object with `g_object_unref()`.
    #[doc(alias = "g_socket_connection_get_remote_address")]
    #[doc(alias = "get_remote_address")]
    fn remote_address(&self) -> Result<SocketAddress, glib::Error>;

    /// Gets the underlying [`Socket`][crate::Socket] object of the connection.
    /// This can be useful if you want to do something unusual on it
    /// not supported by the [`SocketConnection`][crate::SocketConnection] APIs.
    ///
    /// # Returns
    ///
    /// a [`Socket`][crate::Socket] or [`None`] on error.
    #[doc(alias = "g_socket_connection_get_socket")]
    #[doc(alias = "get_socket")]
    fn socket(&self) -> Socket;

    /// Checks if `self` is connected. This is equivalent to calling
    /// [`SocketExt::is_connected()`][crate::prelude::SocketExt::is_connected()] on `self`'s underlying [`Socket`][crate::Socket].
    ///
    /// # Returns
    ///
    /// whether `self` is connected
    #[doc(alias = "g_socket_connection_is_connected")]
    fn is_connected(&self) -> bool;
}

impl<O: IsA<SocketConnection>> SocketConnectionExt for O {
    fn connect(
        &self,
        address: &impl IsA<SocketAddress>,
        cancellable: Option<&impl IsA<Cancellable>>,
    ) -> Result<(), glib::Error> {
        unsafe {
            let mut error = ptr::null_mut();
            let is_ok = ffi::g_socket_connection_connect(
                self.as_ref().to_glib_none().0,
                address.as_ref().to_glib_none().0,
                cancellable.map(|p| p.as_ref()).to_glib_none().0,
                &mut error,
            );
            assert_eq!(is_ok == glib::ffi::GFALSE, !error.is_null());
            if error.is_null() {
                Ok(())
            } else {
                Err(from_glib_full(error))
            }
        }
    }

    fn connect_async<P: FnOnce(Result<(), glib::Error>) + 'static>(
        &self,
        address: &impl IsA<SocketAddress>,
        cancellable: Option<&impl IsA<Cancellable>>,
        callback: P,
    ) {
        let main_context = glib::MainContext::ref_thread_default();
        let is_main_context_owner = main_context.is_owner();
        let has_acquired_main_context = (!is_main_context_owner)
            .then(|| main_context.acquire().ok())
            .flatten();
        assert!(
            is_main_context_owner || has_acquired_main_context.is_some(),
            "Async operations only allowed if the thread is owning the MainContext"
        );

        let user_data: Box_<glib::thread_guard::ThreadGuard<P>> =
            Box_::new(glib::thread_guard::ThreadGuard::new(callback));
        unsafe extern "C" fn connect_async_trampoline<
            P: FnOnce(Result<(), glib::Error>) + 'static,
        >(
            _source_object: *mut glib::gobject_ffi::GObject,
            res: *mut crate::ffi::GAsyncResult,
            user_data: glib::ffi::gpointer,
        ) {
            let mut error = ptr::null_mut();
            let _ =
                ffi::g_socket_connection_connect_finish(_source_object as *mut _, res, &mut error);
            let result = if error.is_null() {
                Ok(())
            } else {
                Err(from_glib_full(error))
            };
            let callback: Box_<glib::thread_guard::ThreadGuard<P>> =
                Box_::from_raw(user_data as *mut _);
            let callback: P = callback.into_inner();
            callback(result);
        }
        let callback = connect_async_trampoline::<P>;
        unsafe {
            ffi::g_socket_connection_connect_async(
                self.as_ref().to_glib_none().0,
                address.as_ref().to_glib_none().0,
                cancellable.map(|p| p.as_ref()).to_glib_none().0,
                Some(callback),
                Box_::into_raw(user_data) as *mut _,
            );
        }
    }

    fn connect_future(
        &self,
        address: &(impl IsA<SocketAddress> + Clone + 'static),
    ) -> Pin<Box_<dyn std::future::Future<Output = Result<(), glib::Error>> + 'static>> {
        let address = address.clone();
        Box_::pin(crate::GioFuture::new(
            self,
            move |obj, cancellable, send| {
                obj.connect_async(&address, Some(cancellable), move |res| {
                    send.resolve(res);
                });
            },
        ))
    }

    fn local_address(&self) -> Result<SocketAddress, glib::Error> {
        unsafe {
            let mut error = ptr::null_mut();
            let ret = ffi::g_socket_connection_get_local_address(
                self.as_ref().to_glib_none().0,
                &mut error,
            );
            if error.is_null() {
                Ok(from_glib_full(ret))
            } else {
                Err(from_glib_full(error))
            }
        }
    }

    fn remote_address(&self) -> Result<SocketAddress, glib::Error> {
        unsafe {
            let mut error = ptr::null_mut();
            let ret = ffi::g_socket_connection_get_remote_address(
                self.as_ref().to_glib_none().0,
                &mut error,
            );
            if error.is_null() {
                Ok(from_glib_full(ret))
            } else {
                Err(from_glib_full(error))
            }
        }
    }

    fn socket(&self) -> Socket {
        unsafe {
            from_glib_none(ffi::g_socket_connection_get_socket(
                self.as_ref().to_glib_none().0,
            ))
        }
    }

    fn is_connected(&self) -> bool {
        unsafe {
            from_glib(ffi::g_socket_connection_is_connected(
                self.as_ref().to_glib_none().0,
            ))
        }
    }
}

impl fmt::Display for SocketConnection {
    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
        f.write_str("SocketConnection")
    }
}