2005-06-30 Colin Walters <walters@verbum.org>

	* test/glib/test-dbus-glib.c:
	* test/glib/test-service-glib.c:
	* test/glib/test-service-glib.xml: Update tests for new error
	setting bits, also add async tests (patch from Ross Burton).

	* test/glib/Makefile.am (test_service_glib_LDADD): Add
	DBUS_GLIB_THREADS_LIBS.

	* glib/dbus-gproxy.c (get_name_owner)
	(dbus_g_pending_call_end_valist): Ditto.

	* glib/dbus-gobject.c (error_metadata): New mapping from GError
	domain (GQuark) to DBusGErrorInfo.
	(gerror_domaincode_to_dbus_error_name): Attempt to look up error
	quark in error_metadata.  Take message interface as default
	error message interface.
	(gerror_to_dbus_error_message): Pass message interface.
	(dbus_set_g_error): Resurrected.
	(dbus_g_error_info_free): New function.
	(dbus_g_object_type_install_info): Use g_type_class_ref instead
	of _peek to actually create the object class if it hasn't been
	created yet.
	(dbus_g_error_domain_register): New function.

	* glib/dbus-gmain.c (dbus_g_bus_get): Switch to dbus_set_g_error.

	* glib/dbus-gparser.c (validate_signature): Ditto.

	* dbus/dbus-glib.h (dbus_g_error_set): Delete.
	(dbus_g_error_domain_register): Prototype.

	* glib/dbus-glib.c (dbus_g_error_set): Delete.
	Update tests.

5 files changed, 134 insertions, 50 deletions

diff --git a/glib/dbus-glib.c b/glib/dbus-glib.c
index 3153deef..5b30ce7a 100644
--- a/glib/dbus-glib.c
+++ b/glib/dbus-glib.c
@@ -26,6 +26,7 @@
 #include <dbus/dbus-glib-lowlevel.h>
 #include "dbus-gtest.h"
 #include "dbus-gutils.h"
+#include "dbus-gobject.h"
 #include <string.h>
 
 #include <libintl.h>
@@ -149,41 +150,6 @@ dbus_g_error_quark (void)
   return quark;
 }
 
-#include "dbus-glib-error-switch.h"
-
-/**
- * Set a GError return location from a D-BUS error name and message.
- * This function should only be used in the implementation of service
- * methods.
- *
- * @param gerror location to store a GError, or #NULL
- * @param name the D-BUS error name
- * @param msg the D-BUS error detailed message
- */
-void
-dbus_g_error_set (GError    **gerror,
-                  const char *name,
-		  const char *msg)
-{
-  int code;
-  g_return_if_fail (name != NULL);
-  g_return_if_fail (msg != NULL);
-
-  code = dbus_error_to_gerror_code (name);
-  if (code == DBUS_GERROR_REMOTE_EXCEPTION)
-    g_set_error (gerror, DBUS_GERROR,
-		 code,
-		 "%s%c%s",
-		 msg,
-		 '\0',
-		 name);
-  else
-    g_set_error (gerror, DBUS_GERROR,
-		 code,
-		 "%s",
-		 msg);
-}
-
 /**
  * Determine whether D-BUS error name for a remote exception matches
  * the given name.  This function is intended to be invoked on a
@@ -463,7 +429,7 @@ _dbus_glib_test (const char *test_data_dir)
   dbus_error_init (&err);
   dbus_set_error_const (&err, DBUS_ERROR_NO_MEMORY, "Out of memory!");
 
-  dbus_g_error_set (&gerror, err.name, err.message);
+  dbus_set_g_error (&gerror, &err);
   g_assert (gerror != NULL);
   g_assert (gerror->domain == DBUS_GERROR);
   g_assert (gerror->code == DBUS_GERROR_NO_MEMORY);
@@ -472,13 +438,6 @@ _dbus_glib_test (const char *test_data_dir)
   dbus_error_init (&err);
   g_clear_error (&gerror);
 
-  dbus_g_error_set (&gerror, "com.example.Foo.BlahFailed", "blah failed");
-  g_assert (gerror != NULL);
-  g_assert (gerror->domain == DBUS_GERROR);
-  g_assert (gerror->code == DBUS_GERROR_REMOTE_EXCEPTION);
-  g_assert (dbus_g_error_has_name (gerror, "com.example.Foo.BlahFailed"));
-  g_assert (!strcmp (gerror->message, "blah failed"));
-
   return TRUE;
 }
 
diff --git a/glib/dbus-gmain.c b/glib/dbus-gmain.c
index 6d3b56c8..9d45ca0e 100644
--- a/glib/dbus-gmain.c
+++ b/glib/dbus-gmain.c
@@ -28,6 +28,7 @@
 #include "dbus-gtest.h"
 #include "dbus-gutils.h"
 #include "dbus-gvalue.h"
+#include "dbus-gobject.h"
 #include "dbus-gvalue-utils.h"
 #include <string.h>
 
@@ -720,7 +721,7 @@ dbus_g_bus_get (DBusBusType     type,
   connection = dbus_bus_get (type, &derror);
   if (connection == NULL)
     {
-      dbus_g_error_set (error, derror.name, derror.message);
+      dbus_set_g_error (error, &derror);
       dbus_error_free (&derror);
       return NULL;
     }
diff --git a/glib/dbus-gobject.c b/glib/dbus-gobject.c
index 8e399796..c91f1851 100644
--- a/glib/dbus-gobject.c
+++ b/glib/dbus-gobject.c
@@ -39,9 +39,16 @@
  * @{
  */
 
+typedef struct
+{
+  char *default_iface;
+  GType code_enum;
+} DBusGErrorInfo;
+
 static GStaticRWLock globals_lock = G_STATIC_RW_LOCK_INIT;
 static GHashTable *info_hash = NULL;
 static GHashTable *marshal_table = NULL;
+static GData *error_metadata = NULL;
 
 static char*
 uscore_to_wincaps (const char *uscore)
@@ -696,6 +703,7 @@ lookup_object_and_method (GObject      *object,
 
 static char *
 gerror_domaincode_to_dbus_error_name (const DBusGObjectInfo *object_info,
+				      const char *msg_interface,
 				      GQuark domain, gint code)
 {
   const char *domain_str;
@@ -707,6 +715,36 @@ gerror_domaincode_to_dbus_error_name (const DBusGObjectInfo *object_info,
 
   if (!domain_str || !code_str)
     {
+      DBusGErrorInfo *info;
+
+      g_static_rw_lock_reader_lock (&globals_lock);
+
+      if (error_metadata != NULL)
+	info = g_datalist_id_get_data (&error_metadata, domain);
+      else
+	info = NULL;
+
+      g_static_rw_lock_reader_unlock (&globals_lock);
+
+      if (info)
+	{
+	  GEnumValue *value;
+	  GEnumClass *klass;
+
+	  klass = g_type_class_ref (info->code_enum);
+	  value = g_enum_get_value (klass, code);
+	  g_type_class_unref (klass);
+
+	  domain_str = info->default_iface;
+	  code_str = value->value_nick;
+	}
+    }
+
+  if (!domain_str)
+    domain_str = msg_interface;
+
+  if (!domain_str || !code_str)
+    {
       /* If we can't map it sensibly, make up an error name */
       char *domain_from_quark;
       
@@ -752,7 +790,9 @@ gerror_to_dbus_error_message (const DBusGObjectInfo *object_info,
       else
 	{
 	  char *error_name;
-	  error_name = gerror_domaincode_to_dbus_error_name (object_info, error->domain, error->code);
+	  error_name = gerror_domaincode_to_dbus_error_name (object_info,
+							     dbus_message_get_interface (message),
+							     error->domain, error->code);
 	  reply = dbus_message_new_error (message, error_name, error->message);
 	  g_free (error_name); 
 	}
@@ -1256,6 +1296,40 @@ export_signals (DBusGConnection *connection, const DBusGObjectInfo *info, GObjec
     }
 }
 
+#include "dbus-glib-error-switch.h"
+
+void
+dbus_set_g_error (GError    **gerror,
+		  DBusError  *error)
+{
+  int code;
+
+  code = dbus_error_to_gerror_code (error->name);
+  if (code != DBUS_GERROR_REMOTE_EXCEPTION)
+    g_set_error (gerror, DBUS_GERROR,
+		 code,
+		 "%s",
+		 error->message);
+  else
+    g_set_error (gerror, DBUS_GERROR,
+		 code,
+		 "%s%c%s",
+		 error->message,
+		 '\0',
+		 error->name);
+}
+
+static void
+dbus_g_error_info_free (gpointer p)
+{
+  DBusGErrorInfo *info;
+
+  info = p;
+
+  g_free (info->default_iface);
+  g_free (info);
+}
+
 /** @} */ /* end of internals */
 
 /**
@@ -1287,7 +1361,7 @@ dbus_g_object_type_install_info (GType                  object_type,
 
   dbus_g_value_types_init ();
 
-  object_class = g_type_class_peek (object_type);
+  object_class = g_type_class_ref (object_type);
 
   g_return_if_fail (G_IS_OBJECT_CLASS (object_class));
 
@@ -1301,6 +1375,55 @@ dbus_g_object_type_install_info (GType                  object_type,
   g_hash_table_replace (info_hash, object_class, (void*) info);
 
   g_static_rw_lock_writer_unlock (&globals_lock);
+
+  g_type_class_unref (object_class);
+}
+
+/**
+ * Register a GError domain and set of codes with D-BUS.  You must
+ * have created a GEnum for the error codes.  This function will not
+ * be needed with an introspection-capable GLib.
+ *
+ * @param domain the GError domain 
+ * @param default_iface the D-BUS interface used for error values by default, or #NULL
+ * @param code_enum a GType for a GEnum of the error codes
+ */
+void
+dbus_g_error_domain_register (GQuark                domain,
+			      const char           *default_iface,
+			      GType                 code_enum)
+{
+  DBusGErrorInfo *info;
+  
+  g_return_if_fail (g_quark_to_string (domain) != NULL);
+  g_return_if_fail (code_enum != G_TYPE_INVALID);
+  g_return_if_fail (G_TYPE_FUNDAMENTAL (code_enum) == G_TYPE_ENUM);
+
+  g_static_rw_lock_writer_lock (&globals_lock);
+
+  if (error_metadata == NULL)
+    g_datalist_init (&error_metadata);
+
+  info = g_datalist_id_get_data (&error_metadata, domain);
+
+  if (info != NULL)
+    {
+      g_warning ("Metadata for error domain \"%s\" already registered\n",
+		 g_quark_to_string (domain));
+    }
+  else
+    {
+      info = g_new0 (DBusGErrorInfo, 1);
+      info->default_iface = g_strdup (default_iface);
+      info->code_enum = code_enum;
+
+      g_datalist_id_set_data_full (&error_metadata,
+				   domain,
+				   info,
+				   dbus_g_error_info_free);
+    }
+
+  g_static_rw_lock_writer_unlock (&globals_lock);
 }
 
 static void
diff --git a/glib/dbus-gparser.c b/glib/dbus-gparser.c
index 90798b19..daf9bc8e 100644
--- a/glib/dbus-gparser.c
+++ b/glib/dbus-gparser.c
@@ -23,6 +23,7 @@
 #include "dbus-gparser.h"
 #include "dbus/dbus-glib-lowlevel.h"
 #include "dbus-gidl.h"
+#include "dbus-gobject.h"
 #include "dbus/dbus-signature.h"
 #include <string.h>
 
@@ -474,7 +475,7 @@ validate_signature (const char *str,
   
   if (!dbus_signature_validate (str, &derror))
     {
-      dbus_g_error_set (error, derror.name, derror.message);
+      dbus_set_g_error (&derror, error);
       return FALSE;
     }
   return TRUE;
diff --git a/glib/dbus-gproxy.c b/glib/dbus-gproxy.c
index 9ea4c16c..91cda82f 100644
--- a/glib/dbus-gproxy.c
+++ b/glib/dbus-gproxy.c
@@ -818,7 +818,7 @@ get_name_owner (DBusConnection     *connection,
 
  error:
   g_assert (dbus_error_is_set (&derror));
-  dbus_g_error_set (error, derror.name, derror.message);
+  dbus_set_g_error (error, &derror);
   dbus_error_free (&derror);
 
  out:
@@ -2009,14 +2009,14 @@ dbus_g_pending_call_end_valist (DBusGConnection   *connection,
       break;
     case DBUS_MESSAGE_TYPE_ERROR:
       dbus_set_error_from_message (&derror, reply);
-      dbus_g_error_set (error, derror.name, derror.message);
+      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_g_error_set (error, derror.name, derror.message);
+      dbus_set_g_error (error, &derror);
       dbus_error_free (&derror);
       goto out;
       break;