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aab6d9ed1c
Also add a 'address' G_DBUS_DEBUG option that will print out useful
debug information such as
GDBus-debug:Address: In g_dbus_address_get_for_bus_sync() for bus type `session'
GDBus-debug:Address: env var DBUS_SESSION_BUS_ADDRESS is not set
GDBus-debug:Address: env var DBUS_SYSTEM_BUS_ADDRESS is not set
GDBus-debug:Address: env var DBUS_STARTER_BUS_TYPE is not set
GDBus-debug:Address: Running `dbus-launch --autolaunch=05e508961149264c9b750a4c494aa6f7 --binary-syntax --close-stderr' to get bus address (possibly autolaunching)
GDBus-debug:Address: dbus-launch output:
0000: 75 6e 69 78 3a 61 62 73 74 72 61 63 74 3d 2f 74 unix:abstract=/t
0010: 6d 70 2f 64 62 75 73 2d 77 42 41 6f 4b 59 49 52 mp/dbus-wBAoKYIR
0020: 7a 75 2c 67 75 69 64 3d 30 34 30 64 31 33 66 33 zu,guid=040d13f3
0030: 30 61 30 62 35 32 63 32 30 66 36 32 63 34 31 63 0a0b52c20f62c41c
0040: 30 30 30 30 35 30 38 64 00 d2 38 00 00 01 00 40 0000508d..8....@
0050: 05 00 00 00 00 .....
GDBus-debug:Address: dbus-launch stderr output:
14542: Autolaunch enabled (using X11).
14542: --exit-with-session automatically enabled
14542: Connected to X11 display ':0.0'
14542: === Parent dbus-launch continues
14542: Waiting for babysitter's intermediate parent
14542: Reading address from bus
14542: Reading PID from daemon
14542: Saving x11 address
14542: Created window 88080385
14542: session file: /root/.dbus/session-bus/05e508961149264c9b750a4c494aa6f7-0
14542: dbus-launch exiting
GDBus-debug:Address: Returning address `unix:abstract=/tmp/dbus-wBAoKYIRzu,guid=040d13f30a0b52c20f62c41c0000508d' for bus type `session'
and
GDBus-debug:Address: In g_dbus_address_get_for_bus_sync() for bus type `session'
GDBus-debug:Address: env var DBUS_SESSION_BUS_ADDRESS is not set
GDBus-debug:Address: env var DBUS_SYSTEM_BUS_ADDRESS is not set
GDBus-debug:Address: env var DBUS_STARTER_BUS_TYPE is not set
GDBus-debug:Address: Running `dbus-launch --autolaunch=05e508961149264c9b750a4c494aa6f7 --binary-syntax --close-stderr' to get bus address (possibly autolaunching)
GDBus-debug:Address: dbus-launch output:
0000: 75 6e 69 78 3a 61 62 73 74 72 61 63 74 3d 2f 74 unix:abstract=/t
0010: 6d 70 2f 64 62 75 73 2d 77 42 41 6f 4b 59 49 52 mp/dbus-wBAoKYIR
0020: 7a 75 2c 67 75 69 64 3d 30 34 30 64 31 33 66 33 zu,guid=040d13f3
0030: 30 61 30 62 35 32 63 32 30 66 36 32 63 34 31 63 0a0b52c20f62c41c
0040: 30 30 30 30 35 30 38 64 00 d2 38 00 00 01 00 40 0000508d..8....@
0050: 05 00 00 00 00 .....
GDBus-debug:Address: dbus-launch stderr output:
14549: Autolaunch enabled (using X11).
14549: --exit-with-session automatically enabled
14549: Connected to X11 display ':0.0'
14549: dbus-daemon is already running. Returning existing parameters.
14549: dbus-launch exiting
GDBus-debug:Address: Returning address `unix:abstract=/tmp/dbus-wBAoKYIRzu,guid=040d13f30a0b52c20f62c41c0000508d' for bus type `session'
Note that things work exactly like libdbus, e.g. from the
dbus-launch(1) man page:
Whenever an autolaunch occurs, the application that had to start a
new bus will be in its own little world; it can effectively end up
starting a whole new session if it tries to use a lot of bus
services. This can be suboptimal or even totally broken, depending
on the app and what it tries to do.
[...]
You can always avoid autolaunch by manually setting
DBUS_SESSION_BUS_ADDRESS. Autolaunch happens because the default
address if none is set is "autolaunch:", so if any other address is
set there will be no autolaunch. You can however include autolaunch
in an explicit session bus address as a fallback, for example
DBUS_SESSION_BUS_ADDRESS="something:,autolaunch:" - in that case if
the first address doesn't work, processes will autolaunch. (The bus
address variable contains a comma-separated list of addresses to
try.)
Signed-off-by: David Zeuthen <davidz@redhat.com>
111 lines
4.5 KiB
C
111 lines
4.5 KiB
C
/* GDBus - GLib D-Bus Library
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*
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* Copyright (C) 2008-2010 Red Hat, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General
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* Public License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place, Suite 330,
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* Boston, MA 02111-1307, USA.
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*
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* Author: David Zeuthen <davidz@redhat.com>
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*/
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#if !defined (GIO_COMPILATION)
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#error "gdbusprivate.h is a private header file."
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#endif
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#ifndef __G_DBUS_PRIVATE_H__
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#define __G_DBUS_PRIVATE_H__
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#include <gio/giotypes.h>
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G_BEGIN_DECLS
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/* ---------------------------------------------------------------------------------------------------- */
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typedef struct GDBusWorker GDBusWorker;
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typedef void (*GDBusWorkerMessageReceivedCallback) (GDBusWorker *worker,
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GDBusMessage *message,
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gpointer user_data);
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typedef gboolean (*GDBusWorkerMessageAboutToBeSentCallback) (GDBusWorker *worker,
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GDBusMessage *message,
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gpointer user_data);
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typedef void (*GDBusWorkerDisconnectedCallback) (GDBusWorker *worker,
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gboolean remote_peer_vanished,
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GError *error,
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gpointer user_data);
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/* This function may be called from any thread - callbacks will be in the shared private message thread
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* and must not block.
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*/
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GDBusWorker *_g_dbus_worker_new (GIOStream *stream,
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GDBusCapabilityFlags capabilities,
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gboolean initially_frozen,
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GDBusWorkerMessageReceivedCallback message_received_callback,
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GDBusWorkerMessageAboutToBeSentCallback message_about_to_be_sent_callback,
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GDBusWorkerDisconnectedCallback disconnected_callback,
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gpointer user_data);
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/* can be called from any thread - steals blob */
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void _g_dbus_worker_send_message (GDBusWorker *worker,
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GDBusMessage *message,
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gchar *blob,
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gsize blob_len);
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/* can be called from any thread */
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void _g_dbus_worker_stop (GDBusWorker *worker);
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/* can be called from any thread */
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void _g_dbus_worker_unfreeze (GDBusWorker *worker);
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/* ---------------------------------------------------------------------------------------------------- */
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void _g_dbus_initialize (void);
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gboolean _g_dbus_debug_authentication (void);
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gboolean _g_dbus_debug_message (void);
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gboolean _g_dbus_debug_payload (void);
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gboolean _g_dbus_debug_call (void);
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gboolean _g_dbus_debug_signal (void);
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gboolean _g_dbus_debug_incoming (void);
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gboolean _g_dbus_debug_emission (void);
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gboolean _g_dbus_debug_address (void);
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void _g_dbus_debug_print_lock (void);
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void _g_dbus_debug_print_unlock (void);
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gboolean _g_dbus_address_parse_entry (const gchar *address_entry,
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gchar **out_transport_name,
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GHashTable **out_key_value_pairs,
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GError **error);
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GVariantType * _g_dbus_compute_complete_signature (GDBusArgInfo **args);
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gchar *_g_dbus_hexdump (const gchar *data, gsize len, guint indent);
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/* ---------------------------------------------------------------------------------------------------- */
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#ifdef G_OS_WIN32
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gchar *_g_dbus_win32_get_user_sid (void);
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#endif
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gchar *_g_dbus_get_machine_id (GError **error);
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gchar *_g_dbus_enum_to_string (GType enum_type, gint value);
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G_END_DECLS
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#endif /* __G_DBUS_PRIVATE_H__ */
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