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<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
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<title>GProxyResolver: GIO Reference Manual</title>
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<link rel="home" href="index.html" title="GIO Reference Manual">
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<link rel="up" href="resolver.html" title="DNS resolution">
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<link rel="prev" href="GResolver.html" title="GResolver">
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<link rel="next" href="GSimpleProxyResolver.html" title="GSimpleProxyResolver">
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<body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF">
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Top |
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Description |
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Object Hierarchy |
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Prerequisites |
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Known Implementations
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GProxyResolver
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GProxyResolver — Asynchronous and cancellable network proxy resolver
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Functions
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GProxyResolver *
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g_proxy_resolver_get_default ()
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gboolean
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g_proxy_resolver_is_supported ()
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gchar **
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g_proxy_resolver_lookup ()
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void
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g_proxy_resolver_lookup_async ()
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gchar **
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g_proxy_resolver_lookup_finish ()
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Types and Values
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GProxyResolver
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struct
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GProxyResolverInterface
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#define
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G_PROXY_RESOLVER_EXTENSION_POINT_NAME
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Object Hierarchy
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GInterface
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╰── GProxyResolver
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Prerequisites
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GProxyResolver requires
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GObject.
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Known Implementations
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GProxyResolver is implemented by
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GSimpleProxyResolver.
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Includes
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#include <gio/gio.h>
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Description
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GProxyResolver provides synchronous and asynchronous network proxy
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resolution. GProxyResolver is used within GSocketClient through
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the method g_socket_connectable_proxy_enumerate().
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Implementations of GProxyResolver based on libproxy and GNOME settings can
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be found in glib-networking. GIO comes with an implementation for use inside
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Flatpak portals.
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Functions
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g_proxy_resolver_get_default ()
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GProxyResolver *
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g_proxy_resolver_get_default (void);
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Gets the default GProxyResolver for the system.
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Returns
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the default GProxyResolver.
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[transfer none]
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Since: 2.26
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g_proxy_resolver_is_supported ()
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gboolean
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g_proxy_resolver_is_supported (GProxyResolver *resolver);
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Checks if resolver
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can be used on this system. (This is used
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internally; g_proxy_resolver_get_default() will only return a proxy
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resolver that returns TRUE for this method.)
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Parameters
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resolver
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a GProxyResolver
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Returns
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TRUE if resolver
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is supported.
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Since: 2.26
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g_proxy_resolver_lookup ()
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gchar **
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g_proxy_resolver_lookup (GProxyResolver *resolver,
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const gchar *uri,
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GCancellable *cancellable,
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GError **error);
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Looks into the system proxy configuration to determine what proxy,
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if any, to use to connect to uri
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. The returned proxy URIs are of
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the form <protocol>://[user[:password]@]host:port or
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direct://, where <protocol> could be http, rtsp, socks
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or other proxying protocol.
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If you don't know what network protocol is being used on the
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socket, you should use none as the URI protocol.
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In this case, the resolver might still return a generic proxy type
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(such as SOCKS), but would not return protocol-specific proxy types
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(such as http).
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direct:// is used when no proxy is needed.
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Direct connection should not be attempted unless it is part of the
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returned array of proxies.
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Parameters
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resolver
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a GProxyResolver
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uri
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a URI representing the destination to connect to
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cancellable
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a GCancellable, or NULL.
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[nullable]
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error
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return location for a GError, or NULL
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Returns
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A
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NULL-terminated array of proxy URIs. Must be freed
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with g_strfreev().
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[transfer full][array zero-terminated=1]
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Since: 2.26
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g_proxy_resolver_lookup_async ()
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void
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g_proxy_resolver_lookup_async (GProxyResolver *resolver,
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const gchar *uri,
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GCancellable *cancellable,
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GAsyncReadyCallback callback,
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gpointer user_data);
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Asynchronous lookup of proxy. See g_proxy_resolver_lookup() for more
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details.
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Parameters
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resolver
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a GProxyResolver
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uri
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a URI representing the destination to connect to
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cancellable
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a GCancellable, or NULL.
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[nullable]
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callback
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callback to call after resolution completes.
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[scope async]
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user_data
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data for callback
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.
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[closure]
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Since: 2.26
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g_proxy_resolver_lookup_finish ()
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gchar **
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g_proxy_resolver_lookup_finish (GProxyResolver *resolver,
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GAsyncResult *result,
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GError **error);
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Call this function to obtain the array of proxy URIs when
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g_proxy_resolver_lookup_async() is complete. See
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g_proxy_resolver_lookup() for more details.
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Parameters
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resolver
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a GProxyResolver
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result
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the result passed to your GAsyncReadyCallback
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error
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return location for a GError, or NULL
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Returns
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A
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NULL-terminated array of proxy URIs. Must be freed
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with g_strfreev().
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[transfer full][array zero-terminated=1]
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Since: 2.26
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Types and Values
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GProxyResolver
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typedef struct _GProxyResolver GProxyResolver;
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A helper class to enumerate proxies base on URI.
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Since: 2.26
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struct GProxyResolverInterface
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struct GProxyResolverInterface {
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GTypeInterface g_iface;
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/* Virtual Table */
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gboolean (* is_supported) (GProxyResolver *resolver);
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gchar ** (* lookup) (GProxyResolver *resolver,
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const gchar *uri,
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GCancellable *cancellable,
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GError **error);
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void (* lookup_async) (GProxyResolver *resolver,
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const gchar *uri,
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GCancellable *cancellable,
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GAsyncReadyCallback callback,
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gpointer user_data);
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gchar ** (* lookup_finish) (GProxyResolver *resolver,
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GAsyncResult *result,
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GError **error);
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};
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The virtual function table for GProxyResolver.
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Members
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is_supported ()
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the virtual function pointer for g_proxy_resolver_is_supported()
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lookup ()
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the virtual function pointer for g_proxy_resolver_lookup()
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lookup_async ()
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the virtual function pointer for
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g_proxy_resolver_lookup_async()
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lookup_finish ()
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the virtual function pointer for
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g_proxy_resolver_lookup_finish()
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G_PROXY_RESOLVER_EXTENSION_POINT_NAME
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#define G_PROXY_RESOLVER_EXTENSION_POINT_NAME "gio-proxy-resolver"
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Extension point for proxy resolving functionality.
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See Extending GIO.
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