/*
 * Licensed under the GNU Lesser General Public License Version 3
 *
 * This library is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the license, or
 * (at your option) any later version.
 *
 * This software is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this library.  If not, see <http://www.gnu.org/licenses/>.
 */

// generated automatically - do not change


module gio.ProxyIF;

private import gi.gio;
public  import gi.giotypes;
private import gio.AsyncResultIF;
private import gio.Cancellable;
private import gio.IOStream;
private import gio.Proxy;
private import gio.ProxyAddress;
private import gio.ProxyIF;
private import glib.ErrorG;
private import glib.GException;
private import glib.Str;
private import gobject.ObjectG;


/**
 * A #GProxy handles connecting to a remote host via a given type of
 * proxy server. It is implemented by the 'gio-proxy' extension point.
 * The extensions are named after their proxy protocol name. As an
 * example, a SOCKS5 proxy implementation can be retrieved with the
 * name 'socks5' using the function
 * g_io_extension_point_get_extension_by_name().
 *
 * Since: 2.26
 */
public interface ProxyIF{
	/** Get the main Gtk struct */
	public GProxy* getProxyStruct();

	/** the main Gtk struct as a void* */
	protected void* getStruct();


	/**
	 * Lookup "gio-proxy" extension point for a proxy implementation that supports
	 * specified protocol.
	 *
	 * Params:
	 *     protocol = the proxy protocol name (e.g. http, socks, etc)
	 *
	 * Returns: return a #GProxy or NULL if protocol
	 *     is not supported.
	 *
	 * Since: 2.26
	 */
	public static ProxyIF getDefaultForProtocol(string protocol);

	/**
	 * Given @connection to communicate with a proxy (eg, a
	 * #GSocketConnection that is connected to the proxy server), this
	 * does the necessary handshake to connect to @proxy_address, and if
	 * required, wraps the #GIOStream to handle proxy payload.
	 *
	 * Params:
	 *     connection = a #GIOStream
	 *     proxyAddress = a #GProxyAddress
	 *     cancellable = a #GCancellable
	 *
	 * Returns: a #GIOStream that will replace @connection. This might
	 *     be the same as @connection, in which case a reference
	 *     will be added.
	 *
	 * Since: 2.26
	 *
	 * Throws: GException on failure.
	 */
	public IOStream connect(IOStream connection, ProxyAddress proxyAddress, Cancellable cancellable);

	/**
	 * Asynchronous version of g_proxy_connect().
	 *
	 * Params:
	 *     connection = a #GIOStream
	 *     proxyAddress = a #GProxyAddress
	 *     cancellable = a #GCancellable
	 *     callback = a #GAsyncReadyCallback
	 *     userData = callback data
	 *
	 * Since: 2.26
	 */
	public void connectAsync(IOStream connection, ProxyAddress proxyAddress, Cancellable cancellable, GAsyncReadyCallback callback, void* userData);

	/**
	 * See g_proxy_connect().
	 *
	 * Params:
	 *     result = a #GAsyncResult
	 *
	 * Returns: a #GIOStream.
	 *
	 * Since: 2.26
	 *
	 * Throws: GException on failure.
	 */
	public IOStream connectFinish(AsyncResultIF result);

	/**
	 * Some proxy protocols expect to be passed a hostname, which they
	 * will resolve to an IP address themselves. Others, like SOCKS4, do
	 * not allow this. This function will return %FALSE if @proxy is
	 * implementing such a protocol. When %FALSE is returned, the caller
	 * should resolve the destination hostname first, and then pass a
	 * #GProxyAddress containing the stringified IP address to
	 * g_proxy_connect() or g_proxy_connect_async().
	 *
	 * Returns: %TRUE if hostname resolution is supported.
	 *
	 * Since: 2.26
	 */
	public bool supportsHostname();
}