FCL/sf/os/ossrv: comparison ofdbus/dbus-glib/dbus/dbus-gproxy.c

equal deleted inserted replaced

--1:000000000000
+:e4d67989cc36
+/* -*- mode: C; c-file-style: "gnu" -*- */
+/* dbus-gproxy.c Proxy for remote objects
+*
+* Copyright (C) 2003, 2004, 2005 Red Hat, Inc.
+* Copyright (C) 2005 Nokia
+* Portion Copyright © 2008 Nokia Corporation and/or its subsidiary(-ies). All rights reserved.
+* Licensed under the Academic Free License version 2.1
+*
+* This program is free software; you can redistribute it and/or modify
+* it under the terms of the GNU General Public License as published by
+* the Free Software Foundation; either version 2 of the License, or
+* (at your option) any later version.
+*
+* This program 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 General Public License for more details.
+*
+* You should have received a copy of the GNU General Public License
+* along with this program; if not, write to the Free Software
+* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+*
+*/
+#include <dbus/dbus-glib.h>
+#include <dbus/dbus-glib-lowlevel.h>
+#include <dbus/dbus-signature.h>
+#include "dbus-gutils.h"
+#include "dbus-gsignature.h"
+#include "dbus-gvalue.h"
+#include "dbus-gvalue-utils.h"
+#include "dbus-gobject.h"
+#include <string.h>
+#ifdef __SYMBIAN32__
+#include<glib_global.h>
+#include<glib-object.h>
+#endif
+#ifndef __SYMBIAN32__
+#include <glib/gi18n.h>
+#include <libintl.h>
+#define _(x) dgettext (GETTEXT_PACKAGE, x)
+#define N_(x) x
+#else
+#define _(x) x
+#define N_(x) x
+#endif
+#include <gobject/gvaluecollector.h>
+#ifdef __SYMBIAN32__
+#include "libdbus_glib_wsd_solution.h"
+#endif
+#define DBUS_G_PROXY_CALL_TO_ID(x) (GPOINTER_TO_UINT(x))
+#define DBUS_G_PROXY_ID_TO_CALL(x) (GUINT_TO_POINTER(x))
+#define DBUS_G_PROXY_GET_PRIVATE(o)  \
+(G_TYPE_INSTANCE_GET_PRIVATE ((o), DBUS_TYPE_G_PROXY, DBusGProxyPrivate))
+/**
+* @addtogroup DBusGLibInternals
+*
+* @{
+*/
+/**
+* DBusGProxyManager typedef
+*/
+typedef struct _DBusGProxyManager DBusGProxyManager;
+typedef struct _DBusGProxyPrivate DBusGProxyPrivate;
+/**
+* Internals of DBusGProxy
+*/
+struct _DBusGProxyPrivate
+{
+DBusGProxyManager *manager; /**< Proxy manager */
+char *name;                 /**< Name messages go to or NULL */
+char *path;                 /**< Path messages go to or NULL */
+char *interface;            /**< Interface messages go to or NULL */
+DBusGProxyCall *name_call;  /**< Pending call id to retrieve name owner */
+guint for_owner : 1;        /**< Whether or not this proxy is for a name owner */
+guint associated : 1;       /**< Whether or not this proxy is associated (for name proxies) */
+/* FIXME: make threadsafe? */
+guint call_id_counter;      /**< Integer counter for pending calls */
+GData *signal_signatures;   /**< D-BUS signatures for each signal */
+GHashTable *pending_calls;  /**< Calls made on this proxy which have not yet returned */
+};
+static void dbus_g_proxy_init               (DBusGProxy      *proxy);
+static void dbus_g_proxy_class_init         (DBusGProxyClass *klass);
+static GObject *dbus_g_proxy_constructor    (GType                  type,
+					     guint                  n_construct_properties,
+					     GObjectConstructParam *construct_properties);
+static void     dbus_g_proxy_set_property       (GObject               *object,
+						 guint                  prop_id,
+						 const GValue          *value,
+						 GParamSpec            *pspec);
+static void     dbus_g_proxy_get_property       (GObject               *object,
+						 guint                  prop_id,
+						 GValue                *value,
+						 GParamSpec            *pspec);
+static void dbus_g_proxy_finalize           (GObject         *object);
+static void dbus_g_proxy_dispose            (GObject         *object);
+static void dbus_g_proxy_destroy            (DBusGProxy      *proxy);
+static void dbus_g_proxy_emit_remote_signal (DBusGProxy      *proxy,
+DBusMessage     *message);
+static DBusGProxyCall *manager_begin_bus_call (DBusGProxyManager    *manager,
+					       const char          *method,
+					       DBusGProxyCallNotify notify,
+					       gpointer             data,
+					       GDestroyNotify       destroy,
+					       GType                first_arg_type,
+					       ...);
+static guint dbus_g_proxy_begin_call_internal (DBusGProxy          *proxy,
+					       const char          *method,
+					       DBusGProxyCallNotify notify,
+					       gpointer             data,
+					       GDestroyNotify       destroy,
+					       GValueArray         *args,
+					       int timeout );
+static gboolean dbus_g_proxy_end_call_internal (DBusGProxy        *proxy,
+						guint              call_id,
+						GError           **error,
+						GType              first_arg_type,
+						va_list            args);
+/**
+* A list of proxies with a given name+path+interface, used to
+* route incoming signals.
+*/
+typedef struct
+{
+GSList *proxies; /**< The list of proxies */
+char name[4]; /**< name (empty string for none), nul byte,
+*   path, nul byte,
+*   interface, nul byte
+*/
+} DBusGProxyList;
+/**
+* DBusGProxyManager's primary task is to route signals to the proxies
+* those signals are emitted on. In order to do this it also has to
+* track the owners of the names proxies are bound to.
+*/
+struct _DBusGProxyManager
+{
+GStaticMutex lock; /**< Thread lock */
+int refcount;      /**< Reference count */
+DBusConnection *connection; /**< Connection we're associated with. */
+DBusGProxy *bus_proxy; /**< Special internal proxy used to talk to the bus */
+GHashTable *proxy_lists; /**< Hash used to route incoming signals
+*   and iterate over proxies
+*/
+GHashTable *owner_names; /**< Hash to keep track of mapping from
+			    *   base name -> [name,name,...] for proxies which
+			    *   are for names.
+			    */
+GSList *unassociated_proxies;     /**< List of name proxies for which
+				     *   there was no result for
+				     *   GetNameOwner
+				     */
+};
+static DBusGProxyManager *dbus_g_proxy_manager_ref    (DBusGProxyManager *manager);
+static DBusHandlerResult  dbus_g_proxy_manager_filter (DBusConnection    *connection,
+DBusMessage       *message,
+void              *user_data);
+/** Lock the DBusGProxyManager */
+#define LOCK_MANAGER(mgr)   (g_static_mutex_lock (&(mgr)->lock))
+/** Unlock the DBusGProxyManager */
+#define UNLOCK_MANAGER(mgr) (g_static_mutex_unlock (&(mgr)->lock))
+#if EMULATOR
+GET_STATIC_VAR_FROM_TLS(g_proxy_manager_slot,dbus_gproxy,int )
+#define g_proxy_manager_slot (*GET_DBUS_WSD_VAR_NAME(g_proxy_manager_slot,dbus_gproxy,s)())
+GET_STATIC_VAR_FROM_TLS(connection_g_proxy_lock,dbus_gproxy,GStaticMutex )
+#define connection_g_proxy_lock (*GET_DBUS_WSD_VAR_NAME(connection_g_proxy_lock,dbus_gproxy,s)())
+#else
+static int g_proxy_manager_slot = -1;
+/* Lock controlling get/set manager as data on each connection */
+static GStaticMutex connection_g_proxy_lock = G_STATIC_MUTEX_INIT;
+#endif
+static DBusGProxyManager*
+dbus_g_proxy_manager_get (DBusConnection *connection)
+{
+DBusGProxyManager *manager;
+dbus_connection_allocate_data_slot (&g_proxy_manager_slot);
+if (g_proxy_manager_slot < 0)
+g_error ("out of memory");
+g_static_mutex_lock (&connection_g_proxy_lock);
+manager = dbus_connection_get_data (connection, g_proxy_manager_slot);
+if (manager != NULL)
+{
+dbus_connection_free_data_slot (&g_proxy_manager_slot);
+dbus_g_proxy_manager_ref (manager);
+g_static_mutex_unlock (&connection_g_proxy_lock);
+return manager;
+}
+manager = g_new0 (DBusGProxyManager, 1);
+manager->refcount = 1;
+manager->connection = connection;
+g_static_mutex_init (&manager->lock);
+/* Proxy managers keep the connection alive, which means that
+* DBusGProxy indirectly does. To free a connection you have to free
+* all the proxies referring to it.
+*/
+dbus_connection_ref (manager->connection);
+dbus_connection_set_data (connection, g_proxy_manager_slot,
+manager, NULL);
+dbus_connection_add_filter (connection, dbus_g_proxy_manager_filter,
+manager, NULL);
+g_static_mutex_unlock (&connection_g_proxy_lock);
+return manager;
+}
+static DBusGProxyManager *
+dbus_g_proxy_manager_ref (DBusGProxyManager *manager)
+{
+g_assert (manager != NULL);
+g_assert (manager->refcount > 0);
+LOCK_MANAGER (manager);
+manager->refcount += 1;
+UNLOCK_MANAGER (manager);
+return manager;
+}
+static void
+dbus_g_proxy_manager_unref (DBusGProxyManager *manager)
+{
+g_assert (manager != NULL);
+g_assert (manager->refcount > 0);
+LOCK_MANAGER (manager);
+manager->refcount -= 1;
+if (manager->refcount == 0)
+{
+UNLOCK_MANAGER (manager);
+if (manager->bus_proxy)
+	g_object_unref (manager->bus_proxy);
+if (manager->proxy_lists)
+{
+/* can't have any proxies left since they hold
+* a reference to the proxy manager.
+*/
+g_assert (g_hash_table_size (manager->proxy_lists) == 0);
+g_hash_table_destroy (manager->proxy_lists);
+manager->proxy_lists = NULL;
+}
+if (manager->owner_names)
+	{
+	  /* Since we destroyed all proxies, none can be tracking
+	   * name owners
+	   */
+g_assert (g_hash_table_size (manager->owner_names) == 0);
+	  g_hash_table_destroy (manager->owner_names);
+	  manager->owner_names = NULL;
+	}
+g_assert (manager->unassociated_proxies == NULL);
+g_static_mutex_free (&manager->lock);
+g_static_mutex_lock (&connection_g_proxy_lock);
+dbus_connection_remove_filter (manager->connection, dbus_g_proxy_manager_filter,
+manager);
+dbus_connection_set_data (manager->connection,
+g_proxy_manager_slot,
+NULL, NULL);
+g_static_mutex_unlock (&connection_g_proxy_lock);
+dbus_connection_unref (manager->connection);
+g_free (manager);
+dbus_connection_free_data_slot (&g_proxy_manager_slot);
+}
+else
+{
+UNLOCK_MANAGER (manager);
+}
+}
+static guint
+tristring_hash (gconstpointer key)
+{
+const char *p = key;
+guint h = *p;
+if (h)
+{
+for (p += 1; *p != '\0'; p++)
+h = (h << 5) - h + *p;
+}
+/* skip nul and do the next substring */
+for (p += 1; *p != '\0'; p++)
+h = (h << 5) - h + *p;
+/* skip nul again and another substring */
+for (p += 1; *p != '\0'; p++)
+h = (h << 5) - h + *p;
+return h;
+}
+static gboolean
+strequal_len (const char *a,
+const char *b,
+size_t     *lenp)
+{
+size_t a_len;
+size_t b_len;
+a_len = strlen (a);
+b_len = strlen (b);
+if (a_len != b_len)
+return FALSE;
+if (memcmp (a, b, a_len) != 0)
+return FALSE;
+*lenp = a_len;
+return TRUE;
+}
+static gboolean
+tristring_equal (gconstpointer  a,
+gconstpointer  b)
+{
+const char *ap = a;
+const char *bp = b;
+size_t len;
+if (!strequal_len (ap, bp, &len))
+return FALSE;
+ap += len + 1;
+bp += len + 1;
+if (!strequal_len (ap, bp, &len))
+return FALSE;
+ap += len + 1;
+bp += len + 1;
+if (strcmp (ap, bp) != 0)
+return FALSE;
+return TRUE;
+}
+static char*
+tristring_alloc_from_strings (size_t      padding_before,
+const char *name,
+const char *path,
+const char *interface)
+{
+size_t name_len, iface_len, path_len, len;
+char *tri;
+if (name)
+name_len = strlen (name);
+else
+name_len = 0;
+path_len = strlen (path);
+iface_len = strlen (interface);
+tri = g_malloc (padding_before + name_len + path_len + iface_len + 3);
+len = padding_before;
+if (name)
+memcpy (&tri[len], name, name_len);
+len += name_len;
+tri[len] = '\0';
+len += 1;
+g_assert (len == (padding_before + name_len + 1));
+memcpy (&tri[len], path, path_len);
+len += path_len;
+tri[len] = '\0';
+len += 1;
+g_assert (len == (padding_before + name_len + path_len + 2));
+memcpy (&tri[len], interface, iface_len);
+len += iface_len;
+tri[len] = '\0';
+len += 1;
+g_assert (len == (padding_before + name_len + path_len + iface_len + 3));
+return tri;
+}
+static char*
+tristring_from_proxy (DBusGProxy *proxy)
+{
+DBusGProxyPrivate *priv = DBUS_G_PROXY_GET_PRIVATE(proxy);
+return tristring_alloc_from_strings (0,
+priv->name,
+priv->path,
+priv->interface);
+}
+static char*
+tristring_from_message (DBusMessage *message)
+{
+const char *path;
+const char *interface;
+path = dbus_message_get_path (message);
+interface = dbus_message_get_interface (message);
+g_assert (path);
+g_assert (interface);
+return tristring_alloc_from_strings (0,
+dbus_message_get_sender (message),
+path, interface);
+}
+static DBusGProxyList*
+g_proxy_list_new (DBusGProxy *first_proxy)
+{
+DBusGProxyList *list;
+DBusGProxyPrivate *priv = DBUS_G_PROXY_GET_PRIVATE(first_proxy);
+list = (void*) tristring_alloc_from_strings (G_STRUCT_OFFSET (DBusGProxyList, name),
+priv->name,
+priv->path,
+priv->interface);
+list->proxies = NULL;
+return list;
+}
+static void
+g_proxy_list_free (DBusGProxyList *list)
+{
+/* we don't hold a reference to the proxies in the list,
+* as they ref the GProxyManager
+*/
+g_slist_free (list->proxies);
+g_free (list);
+}
+static char*
+g_proxy_get_match_rule (DBusGProxy *proxy)
+{
+DBusGProxyPrivate *priv = DBUS_G_PROXY_GET_PRIVATE(proxy);
+/* FIXME Escaping is required here */
+if (priv->name)
+return g_strdup_printf ("type='signal',sender='%s',path='%s',interface='%s'",
+priv->name, priv->path, priv->interface);
+else
+return g_strdup_printf ("type='signal',path='%s',interface='%s'",
+priv->path, priv->interface);
+}
+typedef struct
+{
+char *name;
+guint refcount;
+} DBusGProxyNameOwnerInfo;
+static gint
+find_name_in_info (gconstpointer a, gconstpointer b)
+{
+const DBusGProxyNameOwnerInfo *info = a;
+const char *name = b;
+return strcmp (info->name, name);
+}
+typedef struct
+{
+const char *name;
+const char *owner;
+DBusGProxyNameOwnerInfo *info;
+} DBusGProxyNameOwnerForeachData;
+static void
+name_owner_foreach (gpointer key, gpointer val, gpointer data)
+{
+const char *owner;
+DBusGProxyNameOwnerForeachData *foreach_data;
+GSList *names;
+GSList *link;
+owner = key;
+names = val;
+foreach_data = data;
+if (foreach_data->owner != NULL)
+return;
+g_assert (foreach_data->info == NULL);
+link = g_slist_find_custom (names, foreach_data->name, find_name_in_info);
+if (link)
+{
+foreach_data->owner = owner;
+foreach_data->info = link->data;
+}
+}
+static gboolean
+dbus_g_proxy_manager_lookup_name_owner (DBusGProxyManager        *manager,
+					const char               *name,
+					DBusGProxyNameOwnerInfo **info,
+					const char              **owner)
+{
+DBusGProxyNameOwnerForeachData foreach_data;
+foreach_data.name = name;
+foreach_data.owner = NULL;
+foreach_data.info = NULL;
+g_hash_table_foreach (manager->owner_names, name_owner_foreach, &foreach_data);
+*info = foreach_data.info;
+*owner = foreach_data.owner;
+return *info != NULL;
+}
+static void
+insert_nameinfo (DBusGProxyManager       *manager,
+		 const char              *owner,
+		 DBusGProxyNameOwnerInfo *info)
+{
+GSList *names;
+gboolean insert;
+names = g_hash_table_lookup (manager->owner_names, owner);
+/* Only need to g_hash_table_insert the first time */
+insert = (names == NULL);
+names = g_slist_append (names, info);
+if (insert)
+g_hash_table_insert (manager->owner_names, g_strdup (owner), names);
+}
+static void
+dbus_g_proxy_manager_monitor_name_owner (DBusGProxyManager  *manager,
+					 const char         *owner,
+					 const char         *name)
+{
+GSList *names;
+GSList *link;
+DBusGProxyNameOwnerInfo *nameinfo;
+names = g_hash_table_lookup (manager->owner_names, owner);
+link = g_slist_find_custom (names, name, find_name_in_info);
+if (!link)
+{
+nameinfo = g_new0 (DBusGProxyNameOwnerInfo, 1);
+nameinfo->name = g_strdup (name);
+nameinfo->refcount = 1;
+insert_nameinfo (manager, owner, nameinfo);
+}
+else
+{
+nameinfo = link->data;
+nameinfo->refcount++;
+}
+}
+static void
+dbus_g_proxy_manager_unmonitor_name_owner (DBusGProxyManager  *manager,
+					   const char         *name)
+{
+DBusGProxyNameOwnerInfo *info;
+const char *owner;
+gboolean ret;
+ret = dbus_g_proxy_manager_lookup_name_owner (manager, name, &info, &owner);
+g_assert (ret);
+g_assert (info != NULL);
+g_assert (owner != NULL);
+info->refcount--;
+if (info->refcount == 0)
+{
+GSList *names;
+GSList *link;
+names = g_hash_table_lookup (manager->owner_names, owner);
+link = g_slist_find_custom (names, name, find_name_in_info);
+names = g_slist_delete_link (names, link);
+if (names != NULL)
+	g_hash_table_insert (manager->owner_names, g_strdup (owner), names);
+else
+	g_hash_table_remove (manager->owner_names, owner);
+g_free (info->name);
+g_free (info);
+}
+}
+typedef struct
+{
+const char *name;
+GSList *destroyed;
+} DBusGProxyUnassociateData;
+static void
+unassociate_proxies (gpointer key, gpointer val, gpointer user_data)
+{
+DBusGProxyList *list;
+const char *name;
+GSList *tmp;
+DBusGProxyUnassociateData *data;
+list = val;
+data = user_data;
+name = data->name;
+for (tmp = list->proxies; tmp; tmp = tmp->next)
+{
+DBusGProxy *proxy = DBUS_G_PROXY (tmp->data);
+DBusGProxyPrivate *priv = DBUS_G_PROXY_GET_PRIVATE(proxy);
+DBusGProxyManager *manager;
+manager = priv->manager;
+if (!strcmp (priv->name, name))
+	{
+	  if (!priv->for_owner)
+	    {
+	      g_assert (priv->associated);
+	      g_assert (priv->name_call == NULL);
+	      priv->associated = FALSE;
+	      manager->unassociated_proxies = g_slist_prepend (manager->unassociated_proxies, proxy);
+	    }
+	  else
+	    {
+	      data->destroyed = g_slist_prepend (data->destroyed, proxy);
+/* make contents of list into weak pointers in case the objects
+* unref each other when disposing */
+g_object_add_weak_pointer (G_OBJECT (proxy),
+&(data->destroyed->data));
+	    }
+	}
+}
+}
+static void
+dbus_g_proxy_manager_replace_name_owner (DBusGProxyManager  *manager,
+					 const char         *name,
+					 const char         *prev_owner,
+					 const char         *new_owner)
+{
+GSList *names;
+if (prev_owner[0] == '\0')
+{
+GSList *tmp;
+GSList *removed;
+/* We have a new service, look at unassociated proxies */
+removed = NULL;
+for (tmp = manager->unassociated_proxies; tmp ; tmp = tmp->next)
+	{
+	  DBusGProxy *proxy = tmp->data;
+	  DBusGProxyPrivate *priv = DBUS_G_PROXY_GET_PRIVATE(proxy);
+	  if (!strcmp (priv->name, name))
+	    {
+	      removed = g_slist_prepend (removed, tmp);
+	      dbus_g_proxy_manager_monitor_name_owner (manager, new_owner, name);
+	      priv->associated = TRUE;
+	    }
+	}
+for (tmp = removed; tmp; tmp = tmp->next)
+	manager->unassociated_proxies = g_slist_delete_link (manager->unassociated_proxies, tmp->data);
+g_slist_free (removed);
+}
+else
+{
+DBusGProxyNameOwnerInfo *info;
+GSList *link;
+/* Name owner changed or deleted */
+names = g_hash_table_lookup (manager->owner_names, prev_owner);
+info = NULL;
+if (names != NULL)
+{
+	  link = g_slist_find_custom (names, name, find_name_in_info);
+	  if (link != NULL)
+	    {
+	      info = link->data;
+	      names = g_slist_delete_link (names, link);
+	      if (names == NULL)
+	        g_hash_table_remove (manager->owner_names, prev_owner);
+	    }
+}
+if (new_owner[0] == '\0')
+	{
+	  DBusGProxyUnassociateData data;
+	  GSList *tmp;
+	  data.name = name;
+	  data.destroyed = NULL;
+	  /* A service went away, we need to unassociate proxies */
+	  g_hash_table_foreach (manager->proxy_lists,
+				unassociate_proxies, &data);
+	  UNLOCK_MANAGER (manager);
+/* the destroyed list's data pointers are weak pointers, so that we
+* don't end up calling destroy on proxies which have already been
+* freed up as a result of other ones being destroyed */
+	  for (tmp = data.destroyed; tmp; tmp = tmp->next)
+if (tmp->data != NULL)
+{
+g_object_remove_weak_pointer (G_OBJECT (tmp->data),
+&(tmp->data));
+dbus_g_proxy_destroy (tmp->data);
+}
+	  g_slist_free (data.destroyed);
+	  LOCK_MANAGER (manager);
+	  if (info)
+	    {
+	      g_free (info->name);
+	      g_free (info);
+	    }
+	}
+else if (info)
+	{
+	  insert_nameinfo (manager, new_owner, info);
+	}
+}
+}
+static void
+got_name_owner_cb (DBusGProxy       *bus_proxy,
+		   DBusGProxyCall   *call,
+		   void             *user_data)
+{
+DBusGProxy *proxy = user_data;
+DBusGProxyPrivate *priv = DBUS_G_PROXY_GET_PRIVATE(proxy);
+GError *error;
+char *owner;
+error = NULL;
+owner = NULL;
+LOCK_MANAGER (priv->manager);
+if (!dbus_g_proxy_end_call (bus_proxy, call, &error,
+			      G_TYPE_STRING, &owner,
+			      G_TYPE_INVALID))
+{
+if (error->domain == DBUS_GERROR && error->code == DBUS_GERROR_NAME_HAS_NO_OWNER)
+	{
+	  priv->manager->unassociated_proxies = g_slist_prepend (priv->manager->unassociated_proxies, proxy);
+	}
+else if (error->domain == DBUS_GERROR && error->code == DBUS_GERROR_REMOTE_EXCEPTION)
+	g_warning ("Couldn't get name owner (%s): %s",
+		   dbus_g_error_get_name (error),
+		   error->message);
+else
+	g_warning ("Couldn't get name owner (code %d): %s",
+error->code, error->message);
+g_clear_error (&error);
+goto out;
+}
+else
+{
+dbus_g_proxy_manager_monitor_name_owner (priv->manager, owner, priv->name);
+priv->associated = TRUE;
+}
+out:
+priv->name_call = NULL;
+UNLOCK_MANAGER (priv->manager);
+g_free (owner);
+}
+static char *
+get_name_owner (DBusConnection     *connection,
+		const char         *name,
+		GError            **error)
+{
+DBusError derror;
+DBusMessage *request, *reply;
+char *base_name;
+dbus_error_init (&derror);
+base_name = NULL;
+reply = NULL;
+request = dbus_message_new_method_call (DBUS_SERVICE_DBUS,
+					  DBUS_PATH_DBUS,
+					  DBUS_INTERFACE_DBUS,
+					  "GetNameOwner");
+if (request == NULL)
+g_error ("Out of memory");
+if (!dbus_message_append_args (request,
+				 DBUS_TYPE_STRING, &name,
+				 DBUS_TYPE_INVALID))
+g_error ("Out of memory");
+reply =
+dbus_connection_send_with_reply_and_block (connection,
+request,
+2000, &derror);
+if (reply == NULL)
+goto error;
+if (dbus_set_error_from_message (&derror, reply))
+goto error;
+if (!dbus_message_get_args (reply, &derror,
+			      DBUS_TYPE_STRING, &base_name,
+			      DBUS_TYPE_INVALID))
+goto error;
+base_name = g_strdup (base_name);
+goto out;
+error:
+g_assert (dbus_error_is_set (&derror));
+dbus_set_g_error (error, &derror);
+dbus_error_free (&derror);
+out:
+if (request)
+dbus_message_unref (request);
+if (reply)
+dbus_message_unref (reply);
+return base_name;
+}
+static void
+dbus_g_proxy_manager_register (DBusGProxyManager *manager,
+DBusGProxy        *proxy)
+{
+DBusGProxyList *list;
+DBusGProxyPrivate *priv = DBUS_G_PROXY_GET_PRIVATE(proxy);
+LOCK_MANAGER (manager);
+if (manager->proxy_lists == NULL)
+{
+g_assert (manager->owner_names == NULL);
+list = NULL;
+manager->proxy_lists = g_hash_table_new_full (tristring_hash,
+tristring_equal,
+NULL,
+(GFreeFunc) g_proxy_list_free);
+manager->owner_names = g_hash_table_new_full (g_str_hash,
+g_str_equal,
+g_free,
+NULL);
+/* FIXME - for now we listen for all NameOwnerChanged; once
+* Anders' detail patch lands we should add individual rules
+*/
+dbus_bus_add_match (manager->connection,
+"type='signal',sender='" DBUS_SERVICE_DBUS
+			  "',path='" DBUS_PATH_DBUS
+			  "',interface='" DBUS_INTERFACE_DBUS
+			  "',member='NameOwnerChanged'",
+			  NULL);
+}
+else
+{
+char *tri;
+tri = tristring_from_proxy (proxy);
+list = g_hash_table_lookup (manager->proxy_lists, tri);
+g_free (tri);
+}
+if (list == NULL)
+{
+list = g_proxy_list_new (proxy);
+g_hash_table_replace (manager->proxy_lists,
+list->name, list);
+}
+if (list->proxies == NULL && priv->name)
+{
+/* We have to add the match rule to the server,
+* but only if the server is a message bus,
+* not if it's a peer.
+*/
+char *rule;
+rule = g_proxy_get_match_rule (proxy);
+/* We don't check for errors; it's not like anyone would handle them, and
+* we don't want a round trip here.
+*/
+dbus_bus_add_match (manager->connection,
+			   rule, NULL);
+g_free (rule);
+}
+g_assert (g_slist_find (list->proxies, proxy) == NULL);
+list->proxies = g_slist_prepend (list->proxies, proxy);
+if (!priv->for_owner)
+{
+const char *owner;
+DBusGProxyNameOwnerInfo *info;
+if (!dbus_g_proxy_manager_lookup_name_owner (manager, priv->name, &info, &owner))
+	{
+	  priv->name_call = manager_begin_bus_call (manager, "GetNameOwner",
+						     got_name_owner_cb,
+						     proxy, NULL,
+						     G_TYPE_STRING,
+						     priv->name,
+						     G_TYPE_INVALID);
+	  priv->associated = FALSE;
+	}
+else
+	{
+	  info->refcount++;
+	  priv->associated = TRUE;
+	}
+}
+UNLOCK_MANAGER (manager);
+}
+static void
+dbus_g_proxy_manager_unregister (DBusGProxyManager *manager,
+DBusGProxy        *proxy)
+{
+DBusGProxyList *list;
+DBusGProxyPrivate *priv = DBUS_G_PROXY_GET_PRIVATE(proxy);
+char *tri;
+LOCK_MANAGER (manager);
+#ifndef G_DISABLE_CHECKS
+if (manager->proxy_lists == NULL)
+{
+g_warning ("Trying to unregister a proxy but there aren't any registered");
+return;
+}
+#endif
+tri = tristring_from_proxy (proxy);
+list = g_hash_table_lookup (manager->proxy_lists, tri);
+#ifndef G_DISABLE_CHECKS
+if (list == NULL)
+{
+g_warning ("Trying to unregister a proxy but it isn't registered");
+return;
+}
+#endif
+g_assert (g_slist_find (list->proxies, proxy) != NULL);
+list->proxies = g_slist_remove (list->proxies, proxy);
+g_assert (g_slist_find (list->proxies, proxy) == NULL);
+if (!priv->for_owner)
+{
+if (!priv->associated)
+	{
+	  GSList *link;
+	  if (priv->name_call != 0)
+	    {
+	      dbus_g_proxy_cancel_call (manager->bus_proxy, priv->name_call);
+	      priv->name_call = 0;
+	    }
+	  else
+	    {
+	      link = g_slist_find (manager->unassociated_proxies, proxy);
+	      g_assert (link != NULL);
+	      manager->unassociated_proxies = g_slist_delete_link (manager->unassociated_proxies, link);
+	    }
+	}
+else
+	{
+	  g_assert (priv->name_call == 0);
+	  dbus_g_proxy_manager_unmonitor_name_owner (manager, priv->name);
+	}
+}
+if (list->proxies == NULL)
+{
+char *rule;
+g_hash_table_remove (manager->proxy_lists,
+tri);
+list = NULL;
+rule = g_proxy_get_match_rule (proxy);
+dbus_bus_remove_match (manager->connection,
+rule, NULL);
+g_free (rule);
+}
+if (g_hash_table_size (manager->proxy_lists) == 0)
+{
+g_hash_table_destroy (manager->proxy_lists);
+manager->proxy_lists = NULL;
+}
+g_free (tri);
+UNLOCK_MANAGER (manager);
+}
+static void
+list_proxies_foreach (gpointer key,
+gpointer value,
+gpointer user_data)
+{
+DBusGProxyList *list;
+GSList **ret;
+GSList *tmp;
+list = value;
+ret = user_data;
+tmp = list->proxies;
+while (tmp != NULL)
+{
+DBusGProxy *proxy = DBUS_G_PROXY (tmp->data);
+g_object_ref (proxy);
+*ret = g_slist_prepend (*ret, proxy);
+tmp = tmp->next;
+}
+}
+static GSList*
+dbus_g_proxy_manager_list_all (DBusGProxyManager *manager)
+{
+GSList *ret;
+ret = NULL;
+if (manager->proxy_lists)
+{
+g_hash_table_foreach (manager->proxy_lists,
+list_proxies_foreach,
+&ret);
+}
+return ret;
+}
+static DBusHandlerResult
+dbus_g_proxy_manager_filter (DBusConnection    *connection,
+DBusMessage       *message,
+void              *user_data)
+{
+DBusGProxyManager *manager;
+if (dbus_message_get_type (message) != DBUS_MESSAGE_TYPE_SIGNAL)
+return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
+manager = user_data;
+dbus_g_proxy_manager_ref (manager);
+LOCK_MANAGER (manager);
+if (dbus_message_is_signal (message,
+DBUS_INTERFACE_LOCAL,
+"Disconnected"))
+{
+/* Destroy all the proxies, quite possibly resulting in unreferencing
+* the proxy manager and the connection as well.
+*/
+GSList *all;
+GSList *tmp;
+all = dbus_g_proxy_manager_list_all (manager);
+tmp = all;
+while (tmp != NULL)
+{
+DBusGProxy *proxy;
+proxy = DBUS_G_PROXY (tmp->data);
+UNLOCK_MANAGER (manager);
+dbus_g_proxy_destroy (proxy);
+g_object_unref (G_OBJECT (proxy));
+LOCK_MANAGER (manager);
+tmp = tmp->next;
+}
+g_slist_free (all);
+#ifndef G_DISABLE_CHECKS
+if (manager->proxy_lists != NULL)
+g_warning ("Disconnection emitted \"destroy\" on all DBusGProxy, but somehow new proxies were created in response to one of those destroy signals. This will cause a memory leak.");
+#endif
+}
+else
+{
+char *tri;
+GSList *full_list;
+GSList *owned_names;
+GSList *tmp;
+const char *sender;
+/* First we handle NameOwnerChanged internally */
+if (dbus_message_is_signal (message,
+				  DBUS_INTERFACE_DBUS,
+				  "NameOwnerChanged"))
+	{
+	  const char *name;
+	  const char *prev_owner;
+	  const char *new_owner;
+	  DBusError derr;
+	  dbus_error_init (&derr);
+	  if (!dbus_message_get_args (message,
+				      &derr,
+				      DBUS_TYPE_STRING,
+				      &name,
+				      DBUS_TYPE_STRING,
+				      &prev_owner,
+				      DBUS_TYPE_STRING,
+				      &new_owner,
+				      DBUS_TYPE_INVALID))
+	    {
+	      /* Ignore this error */
+	      dbus_error_free (&derr);
+	    }
+	  else if (manager->owner_names != NULL)
+	    {
+	      dbus_g_proxy_manager_replace_name_owner (manager, name, prev_owner, new_owner);
+	    }
+	}
+sender = dbus_message_get_sender (message);
+/* dbus spec requires these, libdbus validates */
+g_assert (dbus_message_get_path (message) != NULL);
+g_assert (dbus_message_get_interface (message) != NULL);
+g_assert (dbus_message_get_member (message) != NULL);
+tri = tristring_from_message (message);
+if (manager->proxy_lists)
+	{
+	  DBusGProxyList *owner_list;
+	  owner_list = g_hash_table_lookup (manager->proxy_lists, tri);
+	  if (owner_list)
+	    full_list = g_slist_copy (owner_list->proxies);
+	  else
+	    full_list = NULL;
+	}
+else
+	full_list = NULL;
+g_free (tri);
+if (manager->owner_names && sender)
+	{
+	  owned_names = g_hash_table_lookup (manager->owner_names, sender);
+	  for (tmp = owned_names; tmp; tmp = tmp->next)
+	    {
+	      DBusGProxyList *owner_list;
+	      DBusGProxyNameOwnerInfo *nameinfo;
+	      nameinfo = tmp->data;
+	      g_assert (nameinfo->refcount > 0);
+	      tri = tristring_alloc_from_strings (0, nameinfo->name,
+						  dbus_message_get_path (message),
+						  dbus_message_get_interface (message));
+	      owner_list = g_hash_table_lookup (manager->proxy_lists, tri);
+	      if (owner_list != NULL)
+		full_list = g_slist_concat (full_list, g_slist_copy (owner_list->proxies));
+	      g_free (tri);
+	    }
+	}
+#if 0
+g_print ("proxy got %s,%s,%s = list %p\n",
+tri,
+tri + strlen (tri) + 1,
+tri + strlen (tri) + 1 + strlen (tri + strlen (tri) + 1) + 1,
+list);
+#endif
+/* Emit the signal */
+g_slist_foreach (full_list, (GFunc) g_object_ref, NULL);
+for (tmp = full_list; tmp; tmp = tmp->next)
+	{
+	  DBusGProxy *proxy;
+	  proxy = DBUS_G_PROXY (tmp->data);
+	  UNLOCK_MANAGER (manager);
+	  dbus_g_proxy_emit_remote_signal (proxy, message);
+	  g_object_unref (G_OBJECT (proxy));
+	  LOCK_MANAGER (manager);
+	}
+g_slist_free (full_list);
+}
+UNLOCK_MANAGER (manager);
+dbus_g_proxy_manager_unref (manager);
+/* "Handling" signals doesn't make sense, they are for everyone
+* who cares
+*/
+return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
+}
+/*      ---------- DBusGProxy --------------   */
+#define DBUS_G_PROXY_DESTROYED(proxy)  (DBUS_G_PROXY_GET_PRIVATE(proxy)->manager == NULL)
+static void
+marshal_dbus_message_to_g_marshaller (GClosure     *closure,
+GValue       *return_value,
+guint         n_param_values,
+const GValue *param_values,
+gpointer      invocation_hint,
+gpointer      marshal_data);
+enum
+{
+PROP_0,
+PROP_NAME,
+PROP_PATH,
+PROP_INTERFACE,
+PROP_CONNECTION
+};
+enum
+{
+DESTROY,
+RECEIVED,
+LAST_SIGNAL
+};
+#if EMULATOR
+GET_STATIC_VAR_FROM_TLS(parent_class,dbus_gproxy,void* )
+#define parent_class (*GET_DBUS_WSD_VAR_NAME(parent_class,dbus_gproxy,s)())
+GET_STATIC_ARRAY_FROM_TLS(signals,dbus_gproxy,guint )
+#define signals (GET_DBUS_WSD_VAR_NAME(signals,dbus_gproxy,s)())
+#else
+static void *parent_class;
+static guint signals[LAST_SIGNAL] = { 0 };
+#endif
+static void
+dbus_g_proxy_init (DBusGProxy *proxy)
+{
+DBusGProxyPrivate *priv = DBUS_G_PROXY_GET_PRIVATE(proxy);
+g_datalist_init (&priv->signal_signatures);
+priv->pending_calls = g_hash_table_new_full (NULL, NULL, NULL,
+				(GDestroyNotify) dbus_pending_call_unref);
+priv->name_call = 0;
+priv->associated = FALSE;
+}
+static GObject *
+dbus_g_proxy_constructor (GType                  type,
+			  guint                  n_construct_properties,
+			  GObjectConstructParam *construct_properties)
+{
+DBusGProxy *proxy;
+DBusGProxyClass *klass;
+GObjectClass *parent_class;
+DBusGProxyPrivate *priv;
+klass = DBUS_G_PROXY_CLASS (g_type_class_peek (DBUS_TYPE_G_PROXY));
+parent_class = G_OBJECT_CLASS (g_type_class_peek_parent (klass));
+proxy = DBUS_G_PROXY (parent_class->constructor (type, n_construct_properties,
+						    construct_properties));
+priv = DBUS_G_PROXY_GET_PRIVATE (proxy);
+/* if these assertions fail, a deriving class has not set our required
+* parameters - our own public constructors do return_if_fail checks
+* on these parameters being provided. unfortunately we can't assert
+* for manager because it's allowed to be NULL when tha mangager is
+* setting up a bus proxy for its own calls */
+g_assert (priv->path != NULL);
+g_assert (priv->interface != NULL);
+if (priv->manager != NULL)
+{
+dbus_g_proxy_manager_register (priv->manager, proxy);
+}
+return G_OBJECT (proxy);
+}
+static void
+dbus_g_proxy_class_init (DBusGProxyClass *klass)
+{
+GObjectClass *object_class = G_OBJECT_CLASS (klass);
+parent_class = g_type_class_peek_parent (klass);
+g_type_class_add_private (klass, sizeof (DBusGProxyPrivate));
+object_class->set_property = dbus_g_proxy_set_property;
+object_class->get_property = dbus_g_proxy_get_property;
+g_object_class_install_property (object_class,
+				   PROP_NAME,
+				   g_param_spec_string ("name",
+							"name",
+							"name",
+							NULL,
+						//	#ifdef WINSCW
+							G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY));
+						//	#else
+						 //   (GParamFlags)11));   // ARM complaining about enums mixing
+					//		#endif
+g_object_class_install_property (object_class,
+				   PROP_PATH,
+				   g_param_spec_string ("path",
+							"path",
+							"path",
+							NULL,
+					//	    	#ifdef WINSCW
+							G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY));
+					//		#else
+					//	    (GParamFlags)11));   // ARM complaining about enums mixing
+					//		#endif
+g_object_class_install_property (object_class,
+				   PROP_INTERFACE,
+				   g_param_spec_string ("interface",
+							"interface",
+							"interface",
+							NULL,
+					//		#ifdef WINSCW
+							G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY));
+					//		#else
+					//	    (GParamFlags)11));   // ARM complaining about enums mixing
+					//		#endif
+g_object_class_install_property (object_class,
+				   PROP_CONNECTION,
+				   g_param_spec_boxed ("connection",
+							"connection",
+							"connection",
+							DBUS_TYPE_G_CONNECTION,
+					//		#ifdef WINSCW
+							G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY));
+					//		#else
+					//	    (GParamFlags)11));   // ARM complaining about enums mixing
+					//		#endif
+object_class->finalize = dbus_g_proxy_finalize;
+object_class->dispose = dbus_g_proxy_dispose;
+object_class->constructor = dbus_g_proxy_constructor;
+signals[DESTROY] =
+g_signal_new ("destroy",
+		  G_OBJECT_CLASS_TYPE (object_class),
+G_SIGNAL_RUN_CLEANUP | G_SIGNAL_NO_RECURSE | G_SIGNAL_NO_HOOKS,
+0,
+		  NULL, NULL,
+g_cclosure_marshal_VOID__VOID,
+		  G_TYPE_NONE, 0);
+signals[RECEIVED] =
+g_signal_new ("received",
+		  G_OBJECT_CLASS_TYPE (object_class),
+G_SIGNAL_RUN_LAST | G_SIGNAL_DETAILED,
+0,
+NULL, NULL,
+marshal_dbus_message_to_g_marshaller,
+G_TYPE_NONE, 2, DBUS_TYPE_MESSAGE, G_TYPE_POINTER);
+}
+static void
+cancel_pending_call (gpointer key, gpointer val, gpointer data)
+{
+DBusGProxyCall *call = key;
+DBusGProxy *proxy = data;
+dbus_g_proxy_cancel_call (proxy, call);
+}
+static void
+dbus_g_proxy_dispose (GObject *object)
+{
+DBusGProxy *proxy = DBUS_G_PROXY (object);
+DBusGProxyPrivate *priv = DBUS_G_PROXY_GET_PRIVATE(proxy);
+if (priv->pending_calls == NULL)
+{
+return;
+}
+/* Cancel outgoing pending calls */
+g_hash_table_foreach (priv->pending_calls, cancel_pending_call, proxy);
+g_hash_table_destroy (priv->pending_calls);
+priv->pending_calls = NULL;
+if (priv->manager && proxy != priv->manager->bus_proxy)
+{
+dbus_g_proxy_manager_unregister (priv->manager, proxy);
+dbus_g_proxy_manager_unref (priv->manager);
+}
+priv->manager = NULL;
+g_datalist_clear (&priv->signal_signatures);
+g_signal_emit (object, signals[DESTROY], 0);
+G_OBJECT_CLASS (parent_class)->dispose (object);
+}
+static void
+dbus_g_proxy_finalize (GObject *object)
+{
+DBusGProxy *proxy = DBUS_G_PROXY (object);
+DBusGProxyPrivate *priv = DBUS_G_PROXY_GET_PRIVATE(proxy);
+g_return_if_fail (DBUS_G_PROXY_DESTROYED (proxy));
+g_free (priv->name);
+g_free (priv->path);
+g_free (priv->interface);
+G_OBJECT_CLASS (parent_class)->finalize (object);
+}
+static void
+dbus_g_proxy_destroy (DBusGProxy *proxy)
+{
+/* FIXME do we need the GTK_IN_DESTRUCTION style flag
+* from GtkObject?
+*/
+g_object_run_dispose (G_OBJECT (proxy));
+}
+static void
+dbus_g_proxy_set_property (GObject *object,
+			   guint prop_id,
+			   const GValue *value,
+			   GParamSpec *pspec)
+{
+DBusGProxy *proxy = DBUS_G_PROXY (object);
+DBusGProxyPrivate *priv = DBUS_G_PROXY_GET_PRIVATE(proxy);
+DBusGConnection *connection;
+switch (prop_id)
+{
+case PROP_NAME:
+priv->name = g_strdup (g_value_get_string (value));
+if (priv->name)
+priv->for_owner = (priv->name[0] == ':');
+else
+priv->for_owner = TRUE;
+break;
+case PROP_PATH:
+priv->path = g_strdup (g_value_get_string (value));
+break;
+case PROP_INTERFACE:
+priv->interface = g_strdup (g_value_get_string (value));
+break;
+case PROP_CONNECTION:
+connection = g_value_get_boxed (value);
+if (connection != NULL)
+{
+priv->manager = dbus_g_proxy_manager_get (DBUS_CONNECTION_FROM_G_CONNECTION (connection));
+}
+break;
+default:
+G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+break;
+}
+}
+static void
+dbus_g_proxy_get_property (GObject *object,
+			   guint prop_id,
+			   GValue *value,
+			   GParamSpec *pspec)
+{
+DBusGProxy *proxy = DBUS_G_PROXY (object);
+DBusGProxyPrivate *priv = DBUS_G_PROXY_GET_PRIVATE(proxy);
+switch (prop_id)
+{
+case PROP_NAME:
+g_value_set_string (value, priv->name);
+break;
+case PROP_PATH:
+g_value_set_string (value, priv->path);
+break;
+case PROP_INTERFACE:
+g_value_set_string (value, priv->interface);
+break;
+case PROP_CONNECTION:
+g_value_set_boxed (value, DBUS_G_CONNECTION_FROM_CONNECTION(priv->manager->connection));
+break;
+default:
+G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+break;
+}
+}
+/* this is to avoid people using g_signal_connect() directly,
+* to avoid confusion with local signal names, and because
+* of the horribly broken current setup (signals are added
+* globally to all proxies)
+*/
+static char*
+create_signal_name (const char *interface,
+const char *signal)
+{
+GString *str;
+char *p;
+str = g_string_new (interface);
+g_string_append (str, "-");
+g_string_append (str, signal);
+/* GLib will silently barf on '.' in signal names */
+p = str->str;
+while (*p)
+{
+if (*p == '.')
+*p = '-';
+++p;
+}
+return g_string_free (str, FALSE);
+}
+static void
+marshal_dbus_message_to_g_marshaller (GClosure     *closure,
+GValue       *return_value,
+guint         n_param_values,
+const GValue *param_values,
+gpointer      invocation_hint,
+gpointer      marshal_data)
+{
+/* Incoming here we have three params, the instance (Proxy), the
+* DBusMessage, the signature. We want to convert that to an
+* expanded GValue array, then call an appropriate normal GLib
+* marshaller.
+*/
+#define MAX_SIGNATURE_ARGS 20
+GValueArray *value_array;
+GSignalCMarshaller c_marshaller;
+DBusGProxy *proxy;
+DBusMessage *message;
+GArray *gsignature;
+const GType *types;
+DBusGProxyPrivate *priv;
+g_assert (n_param_values == 3);
+proxy = g_value_get_object (&param_values[0]);
+message = g_value_get_boxed (&param_values[1]);
+gsignature = g_value_get_pointer (&param_values[2]);
+g_return_if_fail (DBUS_IS_G_PROXY (proxy));
+g_return_if_fail (message != NULL);
+g_return_if_fail (gsignature != NULL);
+priv = DBUS_G_PROXY_GET_PRIVATE(proxy);
+c_marshaller = _dbus_gobject_lookup_marshaller (G_TYPE_NONE, gsignature->len,
+						  (GType*) gsignature->data);
+g_return_if_fail (c_marshaller != NULL);
+{
+DBusGValueMarshalCtx context;
+context.gconnection = DBUS_G_CONNECTION_FROM_CONNECTION (priv->manager->connection);
+context.proxy = proxy;
+types = (const GType*) gsignature->data;
+value_array = _dbus_gvalue_demarshal_message (&context, message,
+						 gsignature->len, types, NULL);
+}
+if (value_array == NULL)
+return;
+g_value_array_prepend (value_array, NULL);
+g_value_init (g_value_array_get_nth (value_array, 0), G_TYPE_FROM_INSTANCE (proxy));
+g_value_set_instance (g_value_array_get_nth (value_array, 0), proxy);
+(* c_marshaller) (closure, return_value, value_array->n_values,
+		    value_array->values, invocation_hint, marshal_data);
+g_value_array_free (value_array);
+}
+static void
+dbus_g_proxy_emit_remote_signal (DBusGProxy  *proxy,
+DBusMessage *message)
+{
+const char *interface;
+const char *signal;
+char *name;
+GQuark q;
+DBusGProxyPrivate *priv = DBUS_G_PROXY_GET_PRIVATE(proxy);
+GArray *msg_gsignature = NULL;
+g_return_if_fail (!DBUS_G_PROXY_DESTROYED (proxy));
+interface = dbus_message_get_interface (message);
+signal = dbus_message_get_member (message);
+g_assert (interface != NULL);
+g_assert (signal != NULL);
+name = create_signal_name (interface, signal);
+/* If the quark isn't preexisting, there's no way there
+* are any handlers connected. We don't want to create
+* extra quarks for every possible signal.
+*/
+q = g_quark_try_string (name);
+if (q != 0)
+{
+GArray *gsignature;
+guint i;
+gsignature = g_datalist_id_get_data (&priv->signal_signatures, q);
+if (gsignature == NULL)
+	goto out;
+msg_gsignature = _dbus_gtypes_from_arg_signature (dbus_message_get_signature (message),
+						       TRUE);
+for (i = 0; i < gsignature->len; i++)
+	{
+	  if (msg_gsignature->len == i
+	      || g_array_index (gsignature, GType, i) != g_array_index (msg_gsignature, GType, i))
+	    goto mismatch;
+	}
+if (msg_gsignature->len != i)
+	goto mismatch;
+g_signal_emit (proxy,
+		     signals[RECEIVED],
+		     q,
+		     message,
+		     msg_gsignature);
+}
+out:
+g_free (name);
+if (msg_gsignature)
+g_array_free (msg_gsignature, TRUE);
+return;
+mismatch:
+#if 0
+/* Don't spew on remote errors */
+g_warning ("Unexpected message signature '%s' for signal '%s'\n",
+	     dbus_message_get_signature (message),
+	     name);
+#endif
+goto out;
+}
+typedef struct
+{
+DBusGProxy *proxy;
+guint call_id;
+DBusGProxyCallNotify func;
+void *data;
+GDestroyNotify free_data_func;
+} GPendingNotifyClosure;
+static void
+d_pending_call_notify (DBusPendingCall *dcall,
+void            *data)
+{
+GPendingNotifyClosure *closure = data;
+(* closure->func) (closure->proxy, DBUS_G_PROXY_ID_TO_CALL (closure->call_id), closure->data);
+}
+static void
+d_pending_call_free (void *data)
+{
+GPendingNotifyClosure *closure = data;
+if (closure->free_data_func)
+(* closure->free_data_func) (closure->data);
+g_free (closure);
+}
+#define DBUS_G_VALUE_ARRAY_COLLECT_ALL(VALARRAY, FIRST_ARG_TYPE, ARGS) \
+do { \
+GType valtype; \
+int i = 0; \
+VALARRAY = g_value_array_new (6); \
+valtype = FIRST_ARG_TYPE; \
+while (valtype != G_TYPE_INVALID) \
+{ \
+const char *collect_err; \
+GValue *val; \
+g_value_array_append (VALARRAY, NULL); \
+val = g_value_array_get_nth (VALARRAY, i); \
+g_value_init (val, valtype); \
+collect_err = NULL; \
+G_VALUE_COLLECT (val, ARGS, G_VALUE_NOCOPY_CONTENTS, &collect_err); \
+valtype = va_arg (ARGS, GType); \
+i++; \
+} \
+} while (0)
+DBusGProxyCall *
+manager_begin_bus_call (DBusGProxyManager    *manager,
+			const char           *method,
+			DBusGProxyCallNotify  notify,
+			gpointer              user_data,
+			GDestroyNotify        destroy,
+			GType                 first_arg_type,
+			...)
+{
+DBusGProxyCall *call;
+DBusGProxyPrivate *priv;
+va_list args;
+GValueArray *arg_values;
+va_start (args, first_arg_type);
+if (!manager->bus_proxy)
+{
+manager->bus_proxy = g_object_new (DBUS_TYPE_G_PROXY,
+					 "name", DBUS_SERVICE_DBUS,
+					 "path", DBUS_PATH_DBUS,
+					 "interface", DBUS_INTERFACE_DBUS,
+					 NULL);
+priv = DBUS_G_PROXY_GET_PRIVATE(manager->bus_proxy);
+priv->manager = manager;
+}
+DBUS_G_VALUE_ARRAY_COLLECT_ALL (arg_values, first_arg_type, args);
+call = DBUS_G_PROXY_ID_TO_CALL (dbus_g_proxy_begin_call_internal (manager->bus_proxy, method, notify, user_data, destroy, arg_values,-1));
+g_value_array_free (arg_values);
+va_end (args);
+return call;
+}
+/** @} End of DBusGLibInternals */
+/** @addtogroup DBusGLib
+* @{
+*/
+/**
+* SECTION:dbus-gproxy
+* @short_description: DBus Proxy
+* @see_also: #DBusProxy
+* @stability: Stable
+*
+* A #DBusGProxy is a boxed type abstracting a #DBusProxy.
+*/
+/**
+* dbus_g_proxy_get_type:
+* Standard GObject get_type() function for DBusGProxy.
+*
+* Returns: type ID for DBusGProxy class
+*/
+#if EMULATOR
+GET_STATIC_VAR_FROM_TLS(object_type,dbus_gproxy,GType)
+#define object_type (*GET_DBUS_WSD_VAR_NAME(object_type,dbus_gproxy,s)())
+#endif
+	#ifdef __SYMBIAN32__
+	EXPORT_C
+	#endif
+GType
+dbus_g_proxy_get_type (void)
+{
+#ifndef EMULATOR
+static GType object_type = 0;
+#endif
+if (!object_type)
+{
+static const GTypeInfo object_info =
+{
+sizeof (DBusGProxyClass),
+(GBaseInitFunc) NULL,
+(GBaseFinalizeFunc) NULL,
+(GClassInitFunc) dbus_g_proxy_class_init,
+NULL,           /* class_finalize */
+NULL,           /* class_data */
+sizeof (DBusGProxy),
+0,              /* n_preallocs */
+(GInstanceInitFunc) dbus_g_proxy_init,
+};
+object_type = g_type_register_static (G_TYPE_OBJECT,
+"DBusGProxy",
+&object_info, 0);
+}
+return object_type;
+}
+static DBusGProxy*
+dbus_g_proxy_new (DBusGConnection *connection,
+const char      *name,
+const char      *path_name,
+const char      *interface_name)
+{
+DBusGProxy *proxy;
+g_assert (connection != NULL);
+proxy = g_object_new (DBUS_TYPE_G_PROXY,
+"name", name,
+"path", path_name,
+"interface", interface_name,
+"connection", connection, NULL);
+return proxy;
+}
+/**
+* dbus_g_proxy_new_for_name:
+* @connection: the connection to the remote bus
+* @name: any name on the message bus
+* @path_name: name of the object instance to call methods on
+* @interface_name: name of the interface to call methods on
+*
+* Creates a new proxy for a remote interface exported by a connection
+* on a message bus. Method calls and signal connections over this
+* proxy will go to the name owner; the name's owner is expected to
+* support the given interface name. THE NAME OWNER MAY CHANGE OVER
+* TIME, for example between two different method calls, unless the
+* name is a unique name. If you need a fixed owner, you need to
+* request the current owner and bind a proxy to its unique name
+* rather than to the generic name; see
+* dbus_g_proxy_new_for_name_owner().
+*
+* A name-associated proxy only makes sense with a message bus, not
+* for app-to-app direct dbus connections.
+*
+* This proxy will only emit the "destroy" signal if the
+* #DBusConnection is disconnected, the proxy has no remaining
+* references, or the name is a unique name and its owner
+* disappears. If a well-known name changes owner, the proxy will
+* still be alive.
+*
+* Returns: new proxy object
+*/
+	#ifdef __SYMBIAN32__
+	EXPORT_C
+	#endif
+DBusGProxy*
+dbus_g_proxy_new_for_name (DBusGConnection *connection,
+const char      *name,
+const char      *path_name,
+const char      *interface_name)
+{
+g_return_val_if_fail (connection != NULL, NULL);
+g_return_val_if_fail (name != NULL, NULL);
+g_return_val_if_fail (path_name != NULL, NULL);
+g_return_val_if_fail (interface_name != NULL, NULL);
+return dbus_g_proxy_new (connection, name,
+			   path_name, interface_name);
+}
+/**
+* dbus_g_proxy_new_for_name_owner:
+* @connection: the connection to the remote bus
+* @name: any name on the message bus
+* @path_name: name of the object inside the service to call methods on
+* @interface_name: name of the interface to call methods on
+* @error: return location for an error
+*
+* Similar to dbus_g_proxy_new_for_name(), but makes a round-trip
+* request to the message bus to get the current name owner, then
+* binds the proxy to the unique name of the current owner, rather
+* than to the well-known name. As a result, the name owner will
+* not change over time, and the proxy will emit the "destroy" signal
+* when the owner disappears from the message bus.
+*
+* An example of the difference between dbus_g_proxy_new_for_name()
+* and dbus_g_proxy_new_for_name_owner(): if you provide the well-known name
+* "org.freedesktop.Database" dbus_g_proxy_new_for_name() remains bound
+* to that name as it changes owner. dbus_g_proxy_new_for_name_owner()
+* will fail if the name has no owner. If the name has an owner,
+* dbus_g_proxy_new_for_name_owner() will bind to the unique name
+* of that owner rather than the generic name.
+*
+* Returns: new proxy object, or #NULL on error
+*/
+	#ifdef __SYMBIAN32__
+	EXPORT_C
+	#endif
+DBusGProxy*
+dbus_g_proxy_new_for_name_owner (DBusGConnection          *connection,
+const char               *name,
+const char               *path_name,
+const char               *interface_name,
+GError                  **error)
+{
+DBusGProxy *proxy;
+char *unique_name;
+g_return_val_if_fail (connection != NULL, NULL);
+g_return_val_if_fail (name != NULL, NULL);
+g_return_val_if_fail (path_name != NULL, NULL);
+g_return_val_if_fail (interface_name != NULL, NULL);
+if (!(unique_name = get_name_owner (DBUS_CONNECTION_FROM_G_CONNECTION (connection), name, error)))
+return NULL;
+proxy = dbus_g_proxy_new (connection, unique_name,
+			    path_name, interface_name);
+g_free (unique_name);
+return proxy;
+}
+/**
+* dbus_g_proxy_new_from_proxy:
+* @proxy: the proxy to use as a template
+* @path: of the object inside the peer to call methods on
+* @interface: name of the interface to call methods on
+*
+* Creates a proxy using an existing proxy as a template, substituting
+* the specified interface and path.  Either or both may be NULL.
+*
+* Returns: new proxy object
+*/
+	#ifdef __SYMBIAN32__
+	EXPORT_C
+	#endif
+DBusGProxy*
+dbus_g_proxy_new_from_proxy (DBusGProxy        *proxy,
+			     const char        *interface,
+			     const char        *path)
+{
+DBusGProxyPrivate *priv;
+g_return_val_if_fail (proxy != NULL, NULL);
+priv = DBUS_G_PROXY_GET_PRIVATE(proxy);
+if (interface == NULL)
+interface = priv->interface;
+if (path == NULL)
+path = priv->path;
+return dbus_g_proxy_new (DBUS_G_CONNECTION_FROM_CONNECTION (priv->manager->connection),
+			   priv->name,
+			   path, interface);
+}
+/**
+* dbus_g_proxy_new_for_peer:
+* @connection: the connection to the peer
+* @path_name: name of the object inside the peer to call methods on
+* @interface_name: name of the interface to call methods on
+*
+* Creates a proxy for an object in peer application (one
+* we're directly connected to). That is, this function is
+* intended for use when there's no message bus involved,
+* we're doing a simple 1-to-1 communication between two
+* applications.
+*
+* Returns: new proxy object
+*/
+	#ifdef __SYMBIAN32__
+	EXPORT_C
+	#endif
+DBusGProxy*
+dbus_g_proxy_new_for_peer (DBusGConnection          *connection,
+const char               *path_name,
+const char               *interface_name)
+{
+DBusGProxy *proxy;
+g_return_val_if_fail (connection != NULL, NULL);
+g_return_val_if_fail (path_name != NULL, NULL);
+g_return_val_if_fail (interface_name != NULL, NULL);
+proxy = dbus_g_proxy_new (connection, NULL,
+path_name, interface_name);
+return proxy;
+}
+/**
+* dbus_g_proxy_get_bus_name:
+* @proxy: the proxy
+*
+* Gets the bus name a proxy is bound to (may be #NULL in some cases).
+* If you created the proxy with dbus_g_proxy_new_for_name(), then
+* the name you passed to that will be returned.
+* If you created it with dbus_g_proxy_new_for_name_owner(), then the
+* unique connection name will be returned. If you created it
+* with dbus_g_proxy_new_for_peer() then #NULL will be returned.
+*
+* Returns: the bus name the proxy sends messages to
+*/
+	#ifdef __SYMBIAN32__
+	EXPORT_C
+	#endif
+const char*
+dbus_g_proxy_get_bus_name (DBusGProxy        *proxy)
+{
+DBusGProxyPrivate *priv;
+g_return_val_if_fail (DBUS_IS_G_PROXY (proxy), NULL);
+g_return_val_if_fail (!DBUS_G_PROXY_DESTROYED (proxy), NULL);
+priv = DBUS_G_PROXY_GET_PRIVATE(proxy);
+return priv->name;
+}
+/**
+* dbus_g_proxy_get_interface:
+* @proxy: the proxy
+*
+* Gets the object interface proxy is bound to (may be #NULL in some cases).
+*
+* Returns: an object interface
+*/
+	#ifdef __SYMBIAN32__
+	EXPORT_C
+	#endif
+const char*
+dbus_g_proxy_get_interface (DBusGProxy        *proxy)
+{
+DBusGProxyPrivate *priv;
+g_return_val_if_fail (DBUS_IS_G_PROXY (proxy), NULL);
+g_return_val_if_fail (!DBUS_G_PROXY_DESTROYED (proxy), NULL);
+priv = DBUS_G_PROXY_GET_PRIVATE(proxy);
+return priv->interface;
+}
+/**
+* dbus_g_proxy_set_interface:
+* @proxy: the proxy
+* @interface_name: an object interface
+*
+* Sets the object interface proxy is bound to
+*/
+	#ifdef __SYMBIAN32__
+	EXPORT_C
+	#endif
+void
+dbus_g_proxy_set_interface (DBusGProxy        *proxy,
+			    const char        *interface_name)
+{
+DBusGProxyPrivate *priv = DBUS_G_PROXY_GET_PRIVATE(proxy);
+/* FIXME - need to unregister when we switch interface for now
+* later should support idea of unset interface
+*/
+dbus_g_proxy_manager_unregister (priv->manager, proxy);
+g_free (priv->interface);
+priv->interface = g_strdup (interface_name);
+dbus_g_proxy_manager_register (priv->manager, proxy);
+}
+/**
+* dbus_g_proxy_get_path:
+* Gets the path this proxy is bound to
+* @proxy: the proxy
+*
+* Returns: an object path
+*/
+	#ifdef __SYMBIAN32__
+	EXPORT_C
+	#endif
+const char*
+dbus_g_proxy_get_path (DBusGProxy        *proxy)
+{
+DBusGProxyPrivate *priv;
+g_return_val_if_fail (DBUS_IS_G_PROXY (proxy), NULL);
+g_return_val_if_fail (!DBUS_G_PROXY_DESTROYED (proxy), NULL);
+priv = DBUS_G_PROXY_GET_PRIVATE(proxy);
+return priv->path;
+}
+static DBusMessage *
+dbus_g_proxy_marshal_args_to_message (DBusGProxy  *proxy,
+				      const char  *method,
+				      GValueArray *args)
+{
+DBusMessage *message;
+DBusMessageIter msgiter;
+guint i;
+DBusGProxyPrivate *priv = DBUS_G_PROXY_GET_PRIVATE(proxy);
+message = dbus_message_new_method_call (priv->name,
+priv->path,
+priv->interface,
+method);
+if (message == NULL)
+goto oom;
+dbus_message_iter_init_append (message, &msgiter);
+for (i = 0; i < args->n_values; i++)
+{
+GValue *gvalue;
+gvalue = g_value_array_get_nth (args, i);
+if (!_dbus_gvalue_marshal (&msgiter, gvalue))
+	g_assert_not_reached ();
+}
+return message;
+oom:
+return NULL;
+}
+static guint
+dbus_g_proxy_begin_call_internal (DBusGProxy          *proxy,
+				  const char          *method,
+				  DBusGProxyCallNotify notify,
+				  gpointer             user_data,
+				  GDestroyNotify       destroy,
+				  GValueArray         *args,
+				  int timeout)
+{
+DBusMessage *message;
+DBusPendingCall *pending;
+GPendingNotifyClosure *closure;
+guint call_id;
+DBusGProxyPrivate *priv = DBUS_G_PROXY_GET_PRIVATE(proxy);
+pending = NULL;
+message = dbus_g_proxy_marshal_args_to_message (proxy, method, args);
+if (!message)
+goto oom;
+if (!dbus_connection_send_with_reply (priv->manager->connection,
+message,
+&pending,
+timeout))
+goto oom;
+dbus_message_unref (message);
+g_assert (pending != NULL);
+call_id = ++priv->call_id_counter;
+if (notify != NULL)
+{
+closure = g_new (GPendingNotifyClosure, 1);
+closure->proxy = proxy; /* No need to ref as the lifecycle is tied to proxy */
+closure->call_id = call_id;
+closure->func = notify;
+closure->data = user_data;
+closure->free_data_func = destroy;
+dbus_pending_call_set_notify (pending, d_pending_call_notify,
+				    closure,
+				    d_pending_call_free);
+}
+g_hash_table_insert (priv->pending_calls, GUINT_TO_POINTER (call_id), pending);
+return call_id;
+oom:
+g_error ("Out of memory");
+return 0;
+}
+static gboolean
+dbus_g_proxy_end_call_internal (DBusGProxy        *proxy,
+				guint              call_id,
+				GError           **error,
+				GType              first_arg_type,
+				va_list            args)
+{
+DBusMessage *reply;
+DBusMessageIter msgiter;
+DBusError derror;
+va_list args_unwind;
+guint over;
+int n_retvals_processed;
+gboolean ret;
+GType valtype;
+DBusPendingCall *pending;
+DBusGProxyPrivate *priv = DBUS_G_PROXY_GET_PRIVATE(proxy);
+reply = NULL;
+ret = FALSE;
+n_retvals_processed = 0;
+over = 0;
+pending = g_hash_table_lookup (priv->pending_calls, GUINT_TO_POINTER (call_id));
+dbus_pending_call_block (pending);
+reply = dbus_pending_call_steal_reply (pending);
+g_assert (reply != NULL);
+dbus_error_init (&derror);
+switch (dbus_message_get_type (reply))
+{
+case DBUS_MESSAGE_TYPE_METHOD_RETURN:
+dbus_message_iter_init (reply, &msgiter);
+valtype = first_arg_type;
+while (valtype != G_TYPE_INVALID)
+	{
+	  int arg_type;
+	  gpointer return_storage;
+	  GValue gvalue = { 0, };
+	  DBusGValueMarshalCtx context;
+	  context.gconnection = DBUS_G_CONNECTION_FROM_CONNECTION (priv->manager->connection);
+	  context.proxy = proxy;
+	  arg_type = dbus_message_iter_get_arg_type (&msgiter);
+	  if (arg_type == DBUS_TYPE_INVALID)
+	    {
+	      g_set_error (error, DBUS_GERROR,
+			   DBUS_GERROR_INVALID_ARGS,
+			   _("Too few arguments in reply"));
+	      goto out;
+	    }
+	  return_storage = va_arg (args, gpointer);
+	  if (return_storage == NULL)
+	    goto next;
+	  /* We handle variants specially; the caller is expected
+	   * to have already allocated storage for them.
+	   */
+	  if (arg_type == DBUS_TYPE_VARIANT
+	      && g_type_is_a (valtype, G_TYPE_VALUE))
+	    {
+	      if (!_dbus_gvalue_demarshal_variant (&context, &msgiter, (GValue*) return_storage, NULL))
+		{
+		  g_set_error (error,
+			       DBUS_GERROR,
+			       DBUS_GERROR_INVALID_ARGS,
+			       _("Couldn't convert argument, expected \"%s\""),
+			       g_type_name (valtype));
+		  goto out;
+		}
+	    }
+	  else
+	    {
+	      g_value_init (&gvalue, valtype);
+	      if (!_dbus_gvalue_demarshal (&context, &msgiter, &gvalue, error))
+		goto out;
+	      /* Anything that can be demarshaled must be storable */
+	      if (!_dbus_gvalue_store (&gvalue, (gpointer*) return_storage))
+		g_assert_not_reached ();
+	      /* Ownership of the value passes to the client, don't unset */
+	    }
+	next:
+	  n_retvals_processed++;
+	  dbus_message_iter_next (&msgiter);
+	  valtype = va_arg (args, GType);
+	}
+while (dbus_message_iter_get_arg_type (&msgiter) != DBUS_TYPE_INVALID)
+	{
+	  over++;
+	  dbus_message_iter_next (&msgiter);
+	}
+if (over > 0)
+	{
+	  g_set_error (error, DBUS_GERROR,
+		       DBUS_GERROR_INVALID_ARGS,
+		       _("Too many arguments in reply; expected %d, got %d"),
+		       n_retvals_processed, over);
+	  goto out;
+	}
+break;
+case DBUS_MESSAGE_TYPE_ERROR:
+dbus_set_error_from_message (&derror, reply);
+dbus_set_g_error (error, &derror);
+dbus_error_free (&derror);
+goto out;
+break;
+default:
+dbus_set_error (&derror, DBUS_ERROR_FAILED,
+"Reply was neither a method return nor an exception");
+dbus_set_g_error (error, &derror);
+dbus_error_free (&derror);
+goto out;
+break;
+}
+ret = TRUE;
+out:
+va_end (args);
+if (ret == FALSE)
+{
+int i;
+for (i = 0; i < n_retvals_processed; i++)
+	{
+	  gpointer retval;
+	  retval = va_arg (args_unwind, gpointer);
+	  g_free (retval);
+	}
+}
+va_end (args_unwind);
+g_hash_table_remove (priv->pending_calls, GUINT_TO_POINTER (call_id));
+if (reply)
+dbus_message_unref (reply);
+return ret;
+}
+/**
+* dbus_g_proxy_begin_call:
+* @proxy: a proxy for a remote interface
+* @method: the name of the method to invoke
+* @notify: callback to be invoked when method returns
+* @user_data: user data passed to callback
+* @destroy: function called to destroy user_data
+* @first_arg_type: type of the first argument
+*
+* Asynchronously invokes a method on a remote interface. The method
+* call will not be sent over the wire until the application returns
+* to the main loop, or blocks in dbus_connection_flush() to write out
+* pending data.  The call will be completed after a timeout, or when
+* a reply is received.  When the call returns, the callback specified
+* will be invoked; you can then collect the results of the call
+* (which may be an error, or a reply), use dbus_g_proxy_end_call().
+*
+* TODO this particular function shouldn't die on out of memory,
+* since you should be able to do a call with large arguments.
+*
+* Returns: call identifier.
+*/
+	#ifdef __SYMBIAN32__
+	EXPORT_C
+	#endif
+DBusGProxyCall *
+dbus_g_proxy_begin_call (DBusGProxy          *proxy,
+			 const char          *method,
+			 DBusGProxyCallNotify notify,
+			 gpointer             user_data,
+			 GDestroyNotify       destroy,
+			 GType                first_arg_type,
+			 ...)
+{
+guint call_id;
+va_list args;
+GValueArray *arg_values;
+g_return_val_if_fail (DBUS_IS_G_PROXY (proxy), NULL);
+g_return_val_if_fail (!DBUS_G_PROXY_DESTROYED (proxy), NULL);
+va_start (args, first_arg_type);
+DBUS_G_VALUE_ARRAY_COLLECT_ALL (arg_values, first_arg_type, args);
+call_id = dbus_g_proxy_begin_call_internal (proxy, method, notify, user_data, destroy, arg_values,-1);
+g_value_array_free (arg_values);
+va_end (args);
+return DBUS_G_PROXY_ID_TO_CALL (call_id);
+}
+/**
+* dbus_g_proxy_begin_call_with_timeout:
+* @proxy: a proxy for a remote interface
+* @method: the name of the method to invoke
+* @notify: callback to be invoked when method returns
+* @user_data: user data passed to callback
+* @destroy: function called to destroy user_data
+* @timeout: specify the timeout in milliseconds
+* @first_arg_type: type of the first argument
+*
+* Asynchronously invokes a method on a remote interface. The method
+* call will not be sent over the wire until the application returns
+* to the main loop, or blocks in dbus_connection_flush() to write out
+* pending data.  The call will be completed after a timeout, or when
+* a reply is received.  When the call returns, the callback specified
+* will be invoked; you can then collect the results of the call
+* (which may be an error, or a reply), use dbus_g_proxy_end_call().
+*
+* TODO this particular function shouldn't die on out of memory,
+* since you should be able to do a call with large arguments.
+*
+* Returns: call identifier.
+*/
+	#ifdef __SYMBIAN32__
+	EXPORT_C
+	#endif
+DBusGProxyCall *
+dbus_g_proxy_begin_call_with_timeout (DBusGProxy          *proxy,
+const char          *method,
+DBusGProxyCallNotify notify,
+gpointer             user_data,
+GDestroyNotify       destroy,
+			 int timeout,
+GType                first_arg_type,
+...)
+{
+guint call_id;
+va_list args;
+GValueArray *arg_values;
+g_return_val_if_fail (DBUS_IS_G_PROXY (proxy), NULL);
+g_return_val_if_fail (!DBUS_G_PROXY_DESTROYED (proxy), NULL);
+va_start (args, first_arg_type);
+DBUS_G_VALUE_ARRAY_COLLECT_ALL (arg_values, first_arg_type, args);
+call_id = dbus_g_proxy_begin_call_internal (proxy, method, notify, user_data, destroy, arg_values,timeout);
+g_value_array_free (arg_values);
+va_end (args);
+return DBUS_G_PROXY_ID_TO_CALL (call_id);
+}
+/**
+* dbus_g_proxy_end_call:
+* @proxy: a proxy for a remote interface
+* @call: the pending call ID from dbus_g_proxy_begin_call()
+* @error: return location for an error
+* @first_arg_type: type of first "out" argument
+*
+* Collects the results of a method call. The method call was normally
+* initiated with dbus_g_proxy_end_call(). You may use this function
+* outside of the callback given to dbus_g_proxy_begin_call; in that
+* case this function will block if the results haven't yet been
+* received.
+*
+* If the call results in an error, the error is set as normal for
+* GError and the function returns #FALSE.
+*
+* Otherwise, the "out" parameters and return value of the
+* method are stored in the provided varargs list.
+* The list should be terminated with G_TYPE_INVALID.
+*
+* Returns: #FALSE if an error is set.
+*/
+	#ifdef __SYMBIAN32__
+	EXPORT_C
+	#endif
+gboolean
+dbus_g_proxy_end_call (DBusGProxy          *proxy,
+DBusGProxyCall      *call,
+GError             **error,
+GType                first_arg_type,
+...)
+{
+gboolean ret;
+va_list args;
+va_start (args, first_arg_type);
+ret = dbus_g_proxy_end_call_internal (proxy, GPOINTER_TO_UINT (call), error, first_arg_type, args);
+va_end (args);
+return ret;
+}
+/**
+* dbus_g_proxy_call:
+* @proxy: a proxy for a remote interface
+* @method: method to invoke
+* @error: return location for an error
+* @first_arg_type: type of first "in" argument
+*
+* Function for synchronously invoking a method and receiving reply
+* values.  This function is equivalent to dbus_g_proxy_begin_call
+* followed by dbus_g_proxy_end_call.  All of the input arguments are
+* specified first, followed by G_TYPE_INVALID, followed by all of the
+* output values, followed by a second G_TYPE_INVALID.  Note that
+* this means you must always specify G_TYPE_INVALID twice.
+*
+* Returns: #FALSE if an error is set, #TRUE otherwise.
+*/
+	#ifdef __SYMBIAN32__
+	EXPORT_C
+	#endif
+gboolean
+dbus_g_proxy_call (DBusGProxy        *proxy,
+		   const char        *method,
+		   GError           **error,
+		   GType              first_arg_type,
+		   ...)
+{
+gboolean ret;
+guint call_id;
+va_list args;
+GValueArray *in_args;
+g_return_val_if_fail (DBUS_IS_G_PROXY (proxy), FALSE);
+g_return_val_if_fail (!DBUS_G_PROXY_DESTROYED (proxy), FALSE);
+va_start (args, first_arg_type);
+DBUS_G_VALUE_ARRAY_COLLECT_ALL (in_args, first_arg_type, args);
+call_id = dbus_g_proxy_begin_call_internal (proxy, method, NULL, NULL, NULL, in_args,-1);
+g_value_array_free (in_args);
+first_arg_type = va_arg (args, GType);
+ret = dbus_g_proxy_end_call_internal (proxy, call_id, error, first_arg_type, args);
+va_end (args);
+return ret;
+}
+/**
+* dbus_g_proxy_call_with_timeout:
+* @proxy: a proxy for a remote interface
+* @method: method to invoke
+* @timeout: specify the timeout in milliseconds
+* @error: return location for an error
+* @first_arg_type: type of first "in" argument
+*
+* Function for synchronously invoking a method and receiving reply
+* values.  This function is equivalent to dbus_g_proxy_begin_call
+* followed by dbus_g_proxy_end_call.  All of the input arguments are
+* specified first, followed by G_TYPE_INVALID, followed by all of the
+* output values, followed by a second G_TYPE_INVALID.  Note that
+* this means you must always specify G_TYPE_INVALID twice.
+*
+* Returns: #FALSE if an error is set, #TRUE otherwise.
+*/
+	#ifdef __SYMBIAN32__
+	EXPORT_C
+	#endif
+gboolean
+dbus_g_proxy_call_with_timeout (DBusGProxy        *proxy,
+const char        *method,
+		   int timeout,
+GError           **error,
+GType              first_arg_type,
+...)
+{
+gboolean ret;
+guint call_id;
+va_list args;
+GValueArray *in_args;
+g_return_val_if_fail (DBUS_IS_G_PROXY (proxy), FALSE);
+g_return_val_if_fail (!DBUS_G_PROXY_DESTROYED (proxy), FALSE);
+va_start (args, first_arg_type);
+DBUS_G_VALUE_ARRAY_COLLECT_ALL (in_args, first_arg_type, args);
+call_id = dbus_g_proxy_begin_call_internal (proxy, method, NULL, NULL, NULL, in_args,timeout);
+g_value_array_free (in_args);
+first_arg_type = va_arg (args, GType);
+ret = dbus_g_proxy_end_call_internal (proxy, call_id, error, first_arg_type, args);
+va_end (args);
+return ret;
+}
+/**
+* dbus_g_proxy_call_no_reply:
+* @proxy: a proxy for a remote interface
+* @method: the name of the method to invoke
+* @first_arg_type: type of the first argument
+*
+* Sends a method call message as with dbus_g_proxy_begin_call(), but
+* does not ask for a reply or allow you to receive one.
+*
+* TODO: this particular function shouldn't die on out of memory,
+* since you should be able to do a call with large arguments.
+*/
+	#ifdef __SYMBIAN32__
+	EXPORT_C
+	#endif
+void
+dbus_g_proxy_call_no_reply (DBusGProxy               *proxy,
+			    const char               *method,
+			    GType                     first_arg_type,
+			    ...)
+{
+DBusMessage *message;
+va_list args;
+GValueArray *in_args;
+DBusGProxyPrivate *priv;
+g_return_if_fail (DBUS_IS_G_PROXY (proxy));
+g_return_if_fail (!DBUS_G_PROXY_DESTROYED (proxy));
+priv = DBUS_G_PROXY_GET_PRIVATE(proxy);
+va_start (args, first_arg_type);
+DBUS_G_VALUE_ARRAY_COLLECT_ALL (in_args, first_arg_type, args);
+message = dbus_g_proxy_marshal_args_to_message (proxy, method, in_args);
+g_value_array_free (in_args);
+va_end (args);
+if (!message)
+goto oom;
+dbus_message_set_no_reply (message, TRUE);
+if (!dbus_connection_send (priv->manager->connection,
+message,
+NULL))
+goto oom;
+dbus_message_unref (message);
+return;
+oom:
+g_error ("Out of memory");
+}
+/**
+* dbus_g_proxy_cancel_call
+* @proxy: a proxy for a remote interface
+* @call: the pending call ID from dbus_g_proxy_begin_call()
+*
+* Cancels a pending method call. The method call was normally
+* initiated with dbus_g_proxy_begin_call().  This function
+* may not be used on pending calls that have already been
+* ended with dbus_g_proxy_end_call.
+*/
+	#ifdef __SYMBIAN32__
+	EXPORT_C
+	#endif
+void
+dbus_g_proxy_cancel_call (DBusGProxy        *proxy,
+			  DBusGProxyCall    *call)
+{
+guint call_id;
+DBusPendingCall *pending;
+DBusGProxyPrivate *priv;
+g_return_if_fail (DBUS_IS_G_PROXY (proxy));
+g_return_if_fail (!DBUS_G_PROXY_DESTROYED (proxy));
+priv = DBUS_G_PROXY_GET_PRIVATE(proxy);
+call_id = DBUS_G_PROXY_CALL_TO_ID (call);
+pending = g_hash_table_lookup (priv->pending_calls, GUINT_TO_POINTER (call_id));
+g_return_if_fail (pending != NULL);
+dbus_pending_call_cancel (pending);
+g_hash_table_remove (priv->pending_calls, GUINT_TO_POINTER (call_id));
+}
+/**
+* dbus_g_proxy_send:
+* @proxy: a proxy for a remote interface
+* @message: the message to address and send
+* @client_serial: return location for message's serial, or #NULL
+*
+* Sends a message to the interface we're proxying for.  Does not
+* block or wait for a reply. The message is only actually written out
+* when you return to the main loop or block in
+* dbus_connection_flush().
+*
+* The message is modified to be addressed to the target interface.
+* That is, a destination name field or whatever is needed will be
+* added to the message. The basic point of this function is to add
+* the necessary header fields, otherwise it's equivalent to
+* dbus_connection_send().
+*
+* This function adds a reference to the message, so the caller
+* still owns its original reference.
+*/
+	#ifdef __SYMBIAN32__
+	EXPORT_C
+	#endif
+void
+dbus_g_proxy_send (DBusGProxy          *proxy,
+DBusMessage         *message,
+dbus_uint32_t       *client_serial)
+{
+DBusGProxyPrivate *priv;
+g_return_if_fail (DBUS_IS_G_PROXY (proxy));
+g_return_if_fail (!DBUS_G_PROXY_DESTROYED (proxy));
+priv = DBUS_G_PROXY_GET_PRIVATE(proxy);
+if (priv->name)
+{
+if (!dbus_message_set_destination (message, priv->name))
+g_error ("Out of memory");
+}
+if (priv->path)
+{
+if (!dbus_message_set_path (message, priv->path))
+g_error ("Out of memory");
+}
+if (priv->interface)
+{
+if (!dbus_message_set_interface (message, priv->interface))
+g_error ("Out of memory");
+}
+if (!dbus_connection_send (priv->manager->connection, message, client_serial))
+g_error ("Out of memory\n");
+}
+static void
+array_free_all (gpointer array)
+{
+g_array_free (array, TRUE);
+}
+/**
+* dbus_g_proxy_add_signal:
+* @proxy: the proxy for a remote interface
+* @signal_name: the name of the signal
+* @first_type: the first argument type, or G_TYPE_INVALID if none
+*
+* Specifies the argument signature of a signal;.only necessary
+* if the remote object does not support introspection.  The arguments
+* specified are the GLib types expected.
+*/
+	#ifdef __SYMBIAN32__
+	EXPORT_C
+	#endif
+void
+dbus_g_proxy_add_signal  (DBusGProxy        *proxy,
+const char        *signal_name,
+			  GType              first_type,
+...)
+{
+GQuark q;
+char *name;
+GArray *gtypesig;
+GType gtype;
+va_list args;
+DBusGProxyPrivate *priv;
+g_return_if_fail (DBUS_IS_G_PROXY (proxy));
+g_return_if_fail (!DBUS_G_PROXY_DESTROYED (proxy));
+g_return_if_fail (signal_name != NULL);
+priv = DBUS_G_PROXY_GET_PRIVATE(proxy);
+name = create_signal_name (priv->interface, signal_name);
+q = g_quark_from_string (name);
+g_return_if_fail (g_datalist_id_get_data (&priv->signal_signatures, q) == NULL);
+gtypesig = g_array_new (FALSE, TRUE, sizeof (GType));
+va_start (args, first_type);
+gtype = first_type;
+while (gtype != G_TYPE_INVALID)
+{
+g_array_append_val (gtypesig, gtype);
+gtype = va_arg (args, GType);
+}
+va_end (args);
+#ifndef G_DISABLE_CHECKS
+if (_dbus_gobject_lookup_marshaller (G_TYPE_NONE, gtypesig->len, (const GType*) gtypesig->data) == NULL)
+g_warning ("No marshaller for signature of signal '%s'", signal_name);
+#endif
+g_datalist_id_set_data_full (&priv->signal_signatures,
+q, gtypesig,
+array_free_all);
+g_free (name);
+}
+/**
+* dbus_g_proxy_connect_signal:
+* @proxy: a proxy for a remote interface
+* @signal_name: the DBus signal name to listen for
+* @handler: the handler to connect
+* @data: data to pass to handler
+* @free_data_func: callback function to destroy data
+*
+* Connect a signal handler to a proxy for a remote interface.  When
+* the remote interface emits the specified signal, the proxy will
+* emit a corresponding GLib signal.
+*/
+	#ifdef __SYMBIAN32__
+	EXPORT_C
+	#endif
+void
+dbus_g_proxy_connect_signal (DBusGProxy             *proxy,
+const char             *signal_name,
+GCallback               handler,
+void                   *data,
+GClosureNotify          free_data_func)
+{
+char *name;
+GClosure *closure;
+GQuark q;
+DBusGProxyPrivate *priv;
+g_return_if_fail (DBUS_IS_G_PROXY (proxy));
+g_return_if_fail (!DBUS_G_PROXY_DESTROYED (proxy));
+g_return_if_fail (signal_name != NULL);
+g_return_if_fail (handler != NULL);
+priv = DBUS_G_PROXY_GET_PRIVATE(proxy);
+name = create_signal_name (priv->interface, signal_name);
+q = g_quark_try_string (name);
+#ifndef G_DISABLE_CHECKS
+if (q == 0 || g_datalist_id_get_data (&priv->signal_signatures, q) == NULL)
+{
+g_warning ("Must add the signal '%s' with dbus_g_proxy_add_signal() prior to connecting to it\n", name);
+g_free (name);
+return;
+}
+#endif
+closure = g_cclosure_new (G_CALLBACK (handler), data, free_data_func);
+g_signal_connect_closure_by_id (G_OBJECT (proxy),
+signals[RECEIVED],
+q,
+closure, FALSE);
+g_free (name);
+}
+/**
+* dbus_g_proxy_disconnect_signal:
+* @proxy: a proxy for a remote interface
+* @signal_name: the DBus signal name to disconnect
+* @handler: the handler to disconnect
+* @data: the data that was registered with handler
+*
+* Disconnect all signal handlers from a proxy that match the given
+* criteria.
+*/
+	#ifdef __SYMBIAN32__
+	EXPORT_C
+	#endif
+void
+dbus_g_proxy_disconnect_signal (DBusGProxy             *proxy,
+const char             *signal_name,
+GCallback               handler,
+void                   *data)
+{
+char *name;
+GQuark q;
+DBusGProxyPrivate *priv;
+g_return_if_fail (DBUS_IS_G_PROXY (proxy));
+g_return_if_fail (!DBUS_G_PROXY_DESTROYED (proxy));
+g_return_if_fail (signal_name != NULL);
+g_return_if_fail (handler != NULL);
+priv = DBUS_G_PROXY_GET_PRIVATE(proxy);
+name = create_signal_name (priv->interface, signal_name);
+q = g_quark_try_string (name);
+if (q != 0)
+{
+g_signal_handlers_disconnect_matched (G_OBJECT (proxy),
+G_SIGNAL_MATCH_DETAIL |
+G_SIGNAL_MATCH_FUNC   |
+G_SIGNAL_MATCH_DATA,
+signals[RECEIVED],
+q,
+NULL,
+#ifdef WINSCW
+G_CALLBACK (handler), data);
+#else
+(gpointer)(handler), data);
+#endif
+}
+else
+{
+g_warning ("Attempt to disconnect from signal '%s' which is not registered\n",
+name);
+}
+g_free (name);
+}
+/** @} End of DBusGLib public */
+#ifdef DBUS_BUILD_TESTS
+/**
+* @ingroup DBusGLibInternals
+* Unit test for GLib proxy functions
+* Returns: #TRUE on success.
+*/
+gboolean
+_dbus_g_proxy_test (void)
+{
+return TRUE;
+}
+#endif /* DBUS_BUILD_TESTS */