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D-Bus Addresses

D-Bus Addresses — D-Bus connection endpoints

Includes

#include <gio/gio.h>

Description

Routines for working with D-Bus addresses. A D-Bus address is a string like "unix:tmpdir=/tmp/my-app-name". The exact format of addresses is explained in detail in the D-Bus specification.

Functions

g_dbus_is_address ()

gboolean
g_dbus_is_address (const gchar *string);

Checks if string is a D-Bus address.

This doesn't check if string is actually supported by GDBusServer or GDBusConnection - use g_dbus_is_supported_address() to do more checks.

Parameters

string

A string.

 

Returns

TRUE if string is a valid D-Bus address, FALSE otherwise.

Since 2.26


g_dbus_is_supported_address ()

gboolean
g_dbus_is_supported_address (const gchar *string,
                             GError **error);

Like g_dbus_is_address() but also checks if the library suppors the transports in string and that key/value pairs for each transport are valid.

Parameters

string

A string.

 

error

Return location for error or NULL.

 

Returns

TRUE if string is a valid D-Bus address that is supported by this library, FALSE if error is set.

Since 2.26


g_dbus_address_get_stream ()

void
g_dbus_address_get_stream (const gchar *address,
                           GCancellable *cancellable,
                           GAsyncReadyCallback callback,
                           gpointer user_data);

Asynchronously connects to an endpoint specified by address and sets up the connection so it is in a state to run the client-side of the D-Bus authentication conversation.

When the operation is finished, callback will be invoked. You can then call g_dbus_address_get_stream_finish() to get the result of the operation.

This is an asynchronous failable function. See g_dbus_address_get_stream_sync() for the synchronous version.

Parameters

address

A valid D-Bus address.

 

cancellable

A GCancellable or NULL.

[allow-none]

callback

A GAsyncReadyCallback to call when the request is satisfied.

 

user_data

Data to pass to callback .

 

Since 2.26


g_dbus_address_get_stream_finish ()

GIOStream *
g_dbus_address_get_stream_finish (GAsyncResult *res,
                                  gchar **out_guid,
                                  GError **error);

Finishes an operation started with g_dbus_address_get_stream().

Parameters

res

A GAsyncResult obtained from the GAsyncReadyCallback passed to g_dbus_address_get_stream().

 

out_guid

NULL or return location to store the GUID extracted from address , if any.

 

error

Return location for error or NULL.

 

Returns

A GIOStream or NULL if error is set.

[transfer full]

Since 2.26


g_dbus_address_get_stream_sync ()

GIOStream *
g_dbus_address_get_stream_sync (const gchar *address,
                                gchar **out_guid,
                                GCancellable *cancellable,
                                GError **error);

Synchronously connects to an endpoint specified by address and sets up the connection so it is in a state to run the client-side of the D-Bus authentication conversation.

This is a synchronous failable function. See g_dbus_address_get_stream() for the asynchronous version.

Parameters

address

A valid D-Bus address.

 

out_guid

NULL or return location to store the GUID extracted from address , if any.

 

cancellable

A GCancellable or NULL.

[allow-none]

error

Return location for error or NULL.

 

Returns

A GIOStream or NULL if error is set.

[transfer full]

Since 2.26


g_dbus_address_get_for_bus_sync ()

gchar *
g_dbus_address_get_for_bus_sync (GBusType bus_type,
                                 GCancellable *cancellable,
                                 GError **error);

Synchronously looks up the D-Bus address for the well-known message bus instance specified by bus_type . This may involve using various platform specific mechanisms.

Parameters

bus_type

a GBusType

 

cancellable

a GCancellable or NULL.

[allow-none]

error

return location for error or NULL

 

Returns

a valid D-Bus address string for bus_type or NULL if error is set

Since 2.26


g_dbus_address_escape_value ()

gchar *
g_dbus_address_escape_value (const gchar *string);

Escape string so it can appear in a D-Bus address as the value part of a key-value pair.

For instance, if string is "/run/bus-for-:0", this function would return "/run/bus-for-3A0", which could be used in a D-Bus address like "unix:nonce-tcp:host=127.0.0.1,port=42,noncefile=/run/bus-for-3A0".

Parameters

string

an unescaped string to be included in a D-Bus address as the value in a key-value pair

 

Returns

a copy of string with all non-optionally-escaped bytes escaped.

[transfer full]

Since 2.36

Types and Values

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