2003-08-30 Havoc Pennington <hp@pobox.com>
authorHavoc Pennington <hp@redhat.com>
Sun, 31 Aug 2003 01:51:44 +0000 (01:51 +0000)
committerHavoc Pennington <hp@redhat.com>
Sun, 31 Aug 2003 01:51:44 +0000 (01:51 +0000)
* test/data/valid-config-files/system.d/test.conf: change to
root for the user so warnings don't get printed

* dbus/dbus-message.c: add dbus_message_get_path,
dbus_message_set_path

* dbus/dbus-object-tree.c (do_test_dispatch): add test of
dispatching to a path

* dbus/dbus-string.c (_dbus_string_validate_path): add

* dbus/dbus-marshal.c (_dbus_demarshal_object_path): implement
(_dbus_marshal_object_path): implement

* dbus/dbus-protocol.h (DBUS_HEADER_FIELD_PATH): new header field
to contain the path to the target object
(DBUS_HEADER_FIELD_SENDER_SERVICE): rename
DBUS_HEADER_FIELD_SENDER to explicitly say it's the sender service

39 files changed:
ChangeLog
bus/dispatch.c
bus/driver.c
dbus/dbus-bus.c
dbus/dbus-connection.c
dbus/dbus-connection.h
dbus/dbus-marshal.c
dbus/dbus-message-builder.c
dbus/dbus-message.c
dbus/dbus-message.h
dbus/dbus-object-tree.c
dbus/dbus-protocol.h
dbus/dbus-string.c
dbus/dbus-string.h
dbus/dbus-test.c
doc/TODO
glib/dbus-gidl.c
glib/dbus-gidl.h
glib/test-dbus-glib.c
glib/test-profile.c
glib/test-thread-client.c
test/data/valid-config-files/system.d/test.conf
test/data/valid-messages/array-of-array-of-uint32.message
test/data/valid-messages/dict-simple.message
test/data/valid-messages/dict.message
test/data/valid-messages/emptiness.message
test/data/valid-messages/lots-of-arguments.message
test/data/valid-messages/no-padding.message
test/data/valid-messages/opposite-endian.message
test/data/valid-messages/recursive-types.message
test/data/valid-messages/simplest-manual.message
test/data/valid-messages/simplest.message
test/data/valid-messages/standard-acquire-service.message
test/data/valid-messages/standard-hello.message
test/data/valid-messages/standard-list-services.message
test/data/valid-messages/standard-service-exists.message
test/data/valid-messages/unknown-header-field.message
tools/dbus-send.1
tools/dbus-send.c

index 0c20af4..a31c168 100644 (file)
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,26 @@
 2003-08-30  Havoc Pennington  <hp@pobox.com>
 
+       * test/data/valid-config-files/system.d/test.conf: change to 
+       root for the user so warnings don't get printed
+
+       * dbus/dbus-message.c: add dbus_message_get_path,
+       dbus_message_set_path
+       
+       * dbus/dbus-object-tree.c (do_test_dispatch): add test of
+       dispatching to a path
+
+       * dbus/dbus-string.c (_dbus_string_validate_path): add
+
+       * dbus/dbus-marshal.c (_dbus_demarshal_object_path): implement
+       (_dbus_marshal_object_path): implement
+
+       * dbus/dbus-protocol.h (DBUS_HEADER_FIELD_PATH): new header field 
+       to contain the path to the target object
+       (DBUS_HEADER_FIELD_SENDER_SERVICE): rename
+       DBUS_HEADER_FIELD_SENDER to explicitly say it's the sender service
+
+2003-08-30  Havoc Pennington  <hp@pobox.com>
+
        * dbus/dbus-object-tree.c: write tests and fix the discovered bugs
 
 2003-08-29  Havoc Pennington  <hp@pobox.com>
index 16102aa..2f2e9e9 100644 (file)
@@ -727,9 +727,10 @@ check_hello_message (BusContext     *context,
   acquired = NULL;
   message = NULL;
   
-  message = dbus_message_new_method_call (DBUS_INTERFACE_ORG_FREEDESKTOP_DBUS,
-                                          "Hello",
-                                          DBUS_SERVICE_ORG_FREEDESKTOP_DBUS);
+  message = dbus_message_new_method_call (DBUS_SERVICE_ORG_FREEDESKTOP_DBUS,
+                                          DBUS_PATH_ORG_FREEDESKTOP_DBUS,
+                                          DBUS_INTERFACE_ORG_FREEDESKTOP_DBUS,
+                                          "Hello");
 
   if (message == NULL)
     return TRUE;
@@ -958,9 +959,10 @@ check_nonexistent_service_activation (BusContext     *context,
   
   dbus_error_init (&error);
   
-  message = dbus_message_new_method_call (DBUS_INTERFACE_ORG_FREEDESKTOP_DBUS,
-                                          "ActivateService",
-                                          DBUS_SERVICE_ORG_FREEDESKTOP_DBUS);
+  message = dbus_message_new_method_call (DBUS_SERVICE_ORG_FREEDESKTOP_DBUS,
+                                          DBUS_PATH_ORG_FREEDESKTOP_DBUS,
+                                          DBUS_INTERFACE_ORG_FREEDESKTOP_DBUS,
+                                          "ActivateService");
 
   if (message == NULL)
     return TRUE;
@@ -1341,9 +1343,10 @@ check_send_exit_to_service (BusContext     *context,
   retval = FALSE;
   
   /* Kill off the test service by sending it a quit message */
-  message = dbus_message_new_method_call ("org.freedesktop.TestSuite",
-                                          "Exit",
-                                          service_name);
+  message = dbus_message_new_method_call (service_name,
+                                          "/org/freedesktop/TestSuite",
+                                          "org.freedesktop.TestSuite",
+                                          "Exit");
       
   if (message == NULL)
     {
@@ -1510,9 +1513,10 @@ check_existent_service_activation (BusContext     *context,
   
   dbus_error_init (&error);
   
-  message = dbus_message_new_method_call (DBUS_INTERFACE_ORG_FREEDESKTOP_DBUS,
-                                          "ActivateService",
-                                          DBUS_SERVICE_ORG_FREEDESKTOP_DBUS);
+  message = dbus_message_new_method_call (DBUS_SERVICE_ORG_FREEDESKTOP_DBUS,
+                                          DBUS_PATH_ORG_FREEDESKTOP_DBUS,
+                                          DBUS_INTERFACE_ORG_FREEDESKTOP_DBUS,
+                                          "ActivateService");
 
   if (message == NULL)
     return TRUE;
@@ -1720,9 +1724,10 @@ check_segfault_service_activation (BusContext     *context,
   
   dbus_error_init (&error);
   
-  message = dbus_message_new_method_call (DBUS_INTERFACE_ORG_FREEDESKTOP_DBUS,
-                                          "ActivateService",
-                                          DBUS_SERVICE_ORG_FREEDESKTOP_DBUS);
+  message = dbus_message_new_method_call (DBUS_SERVICE_ORG_FREEDESKTOP_DBUS,
+                                          DBUS_PATH_ORG_FREEDESKTOP_DBUS,
+                                          DBUS_INTERFACE_ORG_FREEDESKTOP_DBUS,
+                                          "ActivateService");
 
   if (message == NULL)
     return TRUE;
index 7fd9cd8..61bfe1c 100644 (file)
@@ -49,7 +49,8 @@ bus_driver_send_service_deleted (const char     *service_name,
   
   _dbus_verbose ("sending service deleted: %s\n", service_name);
 
-  message = dbus_message_new_signal (DBUS_INTERFACE_ORG_FREEDESKTOP_DBUS,
+  message = dbus_message_new_signal (DBUS_PATH_ORG_FREEDESKTOP_DBUS,
+                                     DBUS_INTERFACE_ORG_FREEDESKTOP_DBUS,
                                      "ServiceDeleted");
   
   if (message == NULL)
@@ -84,7 +85,8 @@ bus_driver_send_service_created (const char     *service_name,
 
   _DBUS_ASSERT_ERROR_IS_CLEAR (error);
   
-  message = dbus_message_new_signal (DBUS_INTERFACE_ORG_FREEDESKTOP_DBUS,
+  message = dbus_message_new_signal (DBUS_PATH_ORG_FREEDESKTOP_DBUS,
+                                     DBUS_INTERFACE_ORG_FREEDESKTOP_DBUS,
                                      "ServiceCreated");
   
   if (message == NULL)
@@ -125,7 +127,8 @@ bus_driver_send_service_lost (DBusConnection *connection,
 
   _DBUS_ASSERT_ERROR_IS_CLEAR (error);
   
-  message = dbus_message_new_signal (DBUS_INTERFACE_ORG_FREEDESKTOP_DBUS,
+  message = dbus_message_new_signal (DBUS_PATH_ORG_FREEDESKTOP_DBUS,
+                                     DBUS_INTERFACE_ORG_FREEDESKTOP_DBUS,
                                      "ServiceLost");
   
   if (message == NULL)
@@ -167,7 +170,8 @@ bus_driver_send_service_acquired (DBusConnection *connection,
 
   _DBUS_ASSERT_ERROR_IS_CLEAR (error);
   
-  message = dbus_message_new_signal (DBUS_INTERFACE_ORG_FREEDESKTOP_DBUS,
+  message = dbus_message_new_signal (DBUS_PATH_ORG_FREEDESKTOP_DBUS,
+                                     DBUS_INTERFACE_ORG_FREEDESKTOP_DBUS,
                                      "ServiceAcquired");
 
   if (message == NULL)
index 89a2d12..a38b4a2 100644 (file)
@@ -403,10 +403,10 @@ dbus_bus_register (DBusConnection *connection,
       return TRUE;
     }
   
-  message = dbus_message_new_method_call (DBUS_INTERFACE_ORG_FREEDESKTOP_DBUS,
-                                          "Hello",
-                                          DBUS_SERVICE_ORG_FREEDESKTOP_DBUS);
-                             
+  message = dbus_message_new_method_call (DBUS_SERVICE_ORG_FREEDESKTOP_DBUS,
+                                          DBUS_PATH_ORG_FREEDESKTOP_DBUS,
+                                          DBUS_INTERFACE_ORG_FREEDESKTOP_DBUS,
+                                          "Hello"); 
 
   if (!message)
     {
@@ -522,9 +522,10 @@ dbus_bus_acquire_service (DBusConnection *connection,
   _dbus_return_val_if_fail (service_name != NULL, 0);
   _dbus_return_val_if_error_is_set (error, 0);
   
-  message = dbus_message_new_method_call (DBUS_INTERFACE_ORG_FREEDESKTOP_DBUS,
-                                          "AcquireService",
-                                          DBUS_SERVICE_ORG_FREEDESKTOP_DBUS);
+  message = dbus_message_new_method_call (DBUS_SERVICE_ORG_FREEDESKTOP_DBUS,
+                                          DBUS_PATH_ORG_FREEDESKTOP_DBUS,
+                                          DBUS_INTERFACE_ORG_FREEDESKTOP_DBUS,
+                                          "AcquireService");
 
   if (message == NULL)
     {
@@ -596,9 +597,10 @@ dbus_bus_service_exists (DBusConnection *connection,
   _dbus_return_val_if_fail (service_name != NULL, FALSE);
   _dbus_return_val_if_error_is_set (error, FALSE);
   
-  message = dbus_message_new_method_call (DBUS_INTERFACE_ORG_FREEDESKTOP_DBUS,
-                                          "ServiceExists",
-                                          DBUS_SERVICE_ORG_FREEDESKTOP_DBUS);
+  message = dbus_message_new_method_call (DBUS_SERVICE_ORG_FREEDESKTOP_DBUS,
+                                          DBUS_PATH_ORG_FREEDESKTOP_DBUS,
+                                          DBUS_INTERFACE_ORG_FREEDESKTOP_DBUS,
+                                          "ServiceExists");
   if (message == NULL)
     {
       _DBUS_SET_OOM (error);
@@ -659,9 +661,10 @@ dbus_bus_activate_service (DBusConnection *connection,
   DBusMessage *msg;
   DBusMessage *reply;
 
-  msg = dbus_message_new_method_call (DBUS_INTERFACE_ORG_FREEDESKTOP_DBUS,
-                                      "ActivateService",
-                                      DBUS_SERVICE_ORG_FREEDESKTOP_DBUS);
+  msg = dbus_message_new_method_call (DBUS_SERVICE_ORG_FREEDESKTOP_DBUS,
+                                      DBUS_PATH_ORG_FREEDESKTOP_DBUS,
+                                      DBUS_INTERFACE_ORG_FREEDESKTOP_DBUS,
+                                      "ActivateService");
 
   if (!dbus_message_append_args (msg, DBUS_TYPE_STRING, service_name,
                                 DBUS_TYPE_UINT32, flags, DBUS_TYPE_INVALID))
index 0c38459..8667867 100644 (file)
@@ -825,7 +825,8 @@ _dbus_connection_new_for_transport (DBusTransport *transport)
   if (io_path_cond == NULL)
     goto error;
 
-  disconnect_message = dbus_message_new_signal (DBUS_INTERFACE_ORG_FREEDESKTOP_LOCAL,
+  disconnect_message = dbus_message_new_signal (DBUS_PATH_ORG_FREEDESKTOP_LOCAL,
+                                                DBUS_INTERFACE_ORG_FREEDESKTOP_LOCAL,
                                                 "Disconnected");
   
   if (disconnect_message == NULL)
@@ -2522,7 +2523,7 @@ dbus_connection_dispatch (DBusConnection *connection)
   /* We're still protected from dispatch() reentrancy here
    * since we acquired the dispatcher
    */
-  _dbus_verbose ("  running object handler on message %p (%s)\n",
+  _dbus_verbose ("  running object path dispatch on message %p (%s)\n",
                  message,
                  dbus_message_get_interface (message) ?
                  dbus_message_get_interface (message) :
index 12ad068..0b34653 100644 (file)
@@ -200,7 +200,6 @@ void                  dbus_connection_send_preallocated      (DBusConnection
 /* Object tree functionality */
 
 typedef void              (* DBusObjectPathUnregisterFunction) (DBusConnection  *connection,
-                                                                const char     **path,
                                                                 void            *user_data);
 typedef DBusHandlerResult (* DBusObjectPathMessageFunction)    (DBusConnection  *connection,
                                                                 DBusMessage     *message,
index 449dd33..6343056 100644 (file)
@@ -871,8 +871,6 @@ _dbus_marshal_string_array (DBusString  *str,
 
 /**
  * Marshals an object path value.
- *
- * @todo implement this function
  * 
  * @param str the string to append the marshalled value to
  * @param byte_order the byte order to use
@@ -886,7 +884,41 @@ _dbus_marshal_object_path (DBusString            *str,
                            const char           **path,
                            int                    path_len)
 {
+  int array_start, old_string_len;
+  int i;
+  
+  old_string_len = _dbus_string_get_length (str);
+  
+  /* Set the length to 0 temporarily */
+  if (!_dbus_marshal_uint32 (str, byte_order, 0))
+    goto nomem;
+
+  array_start = _dbus_string_get_length (str);
+  
+  i = 0;
+  while (i < path_len)
+    {
+      if (!_dbus_string_append_byte (str, '/'))
+        goto nomem;
+      
+      if (!_dbus_string_append (str, path[0]))
+        goto nomem;
+
+      ++i;
+    }
+
+  /* Write the length now that we know it */
+  _dbus_marshal_set_uint32 (str, byte_order,
+                           _DBUS_ALIGN_VALUE (old_string_len, sizeof(dbus_uint32_t)),
+                           _dbus_string_get_length (str) - array_start);  
+
   return TRUE;
+
+ nomem:
+  /* Restore the previous length */
+  _dbus_string_set_length (str, old_string_len);
+  
+  return FALSE;
 }
 
 static dbus_uint32_t
@@ -1438,10 +1470,10 @@ _dbus_demarshal_string_array (const DBusString   *str,
   return FALSE;
 }
 
+#define VERBOSE_DECOMPOSE 0
+
 /**
  * Demarshals an object path.
- *
- * @todo implement this function
  * 
  * @param str the string containing the data
  * @param byte_order the byte order
@@ -1458,7 +1490,82 @@ _dbus_demarshal_object_path (const DBusString *str,
                              char           ***path,
                              int              *path_len)
 {
+  int len;
+  char **retval;
+  const char *data;
+  int n_components;
+  int i, j, comp;
+  
+  len = _dbus_demarshal_uint32 (str, byte_order, pos, &pos);
+  data = _dbus_string_get_const_data_len (str, pos, len + 1);
+  _dbus_assert (data != NULL);
+
+#if VERBOSE_DECOMPOSE
+  _dbus_verbose ("Decomposing path \"%s\"\n",
+                 data);
+#endif
+  
+  n_components = 0;
+  i = 0;
+  while (i < len)
+    {
+      if (data[i] == '/')
+        n_components += 1;
+      ++i;
+    }
+  
+  retval = dbus_new0 (char*, n_components + 1);
+
+  if (retval == NULL)
+    return FALSE;
+
+  comp = 0;
+  i = 0;
+  while (i < len)
+    {
+      if (data[i] == '/')
+        ++i;
+      j = i;
+
+      while (j < len && data[j] != '/')
+        ++j;
+
+      /* Now [i, j) is the path component */
+      _dbus_assert (i < j);
+      _dbus_assert (data[i] != '/');
+      _dbus_assert (j == len || data[j] == '/');
+
+#if VERBOSE_DECOMPOSE
+      _dbus_verbose ("  (component in [%d,%d))\n",
+                     i, j);
+#endif
+      
+      retval[comp] = _dbus_memdup (&data[i], j - i + 1);
+      if (retval[comp] == NULL)
+        {
+          dbus_free_string_array (retval);
+          return FALSE;
+        }
+      retval[comp][j-i] = '\0';
+#if VERBOSE_DECOMPOSE
+      _dbus_verbose ("  (component %d = \"%s\")\n",
+                     comp, retval[comp]);
+#endif
+
+      ++comp;
+      i = j;
+    }
+  _dbus_assert (i == len);
+  _dbus_assert (retval[0] != NULL);
+  
+  *path = retval;
+  if (path_len)
+    *path_len = n_components;
   
+  if (new_pos)
+    *new_pos = pos + len + 1;
+  
+  return TRUE;
 }
 
 /** 
@@ -1514,6 +1621,7 @@ _dbus_marshal_get_arg_end_pos (const DBusString *str,
       *end_pos = _DBUS_ALIGN_VALUE (pos, 8) + 8;
       break;
 
+    case DBUS_TYPE_OBJECT_PATH:
     case DBUS_TYPE_STRING:
       {
        int len;
@@ -1540,8 +1648,7 @@ _dbus_marshal_get_arg_end_pos (const DBusString *str,
        *end_pos = pos + len;
       }
       break;
-
-    case DBUS_TYPE_OBJECT_PATH:
+      
     case DBUS_TYPE_ARRAY:
       {
        int len;
@@ -1917,6 +2024,7 @@ _dbus_marshal_validate_arg (const DBusString *str,
       }
       break;
 
+    case DBUS_TYPE_OBJECT_PATH:
     case DBUS_TYPE_STRING:
       {
        int len;
@@ -1930,6 +2038,12 @@ _dbus_marshal_validate_arg (const DBusString *str,
 
         if (!validate_string (str, pos, len, end_pos))
           return FALSE;
+
+        if (type == DBUS_TYPE_OBJECT_PATH)
+          {
+            if (!_dbus_string_validate_path (str, pos, len))
+              return FALSE;
+          }
       }
       break;
 
@@ -2521,7 +2635,6 @@ _dbus_marshal_test (void)
   s = _dbus_demarshal_string (&str, DBUS_BIG_ENDIAN, 0, NULL);
   _dbus_assert (strcmp (s, "Hello") == 0);
   dbus_free (s);
-
   
   _dbus_string_free (&str);
       
index f779c8c..6d16231 100644 (file)
@@ -288,6 +288,56 @@ message_type_from_string (const DBusString *str,
     return -1;
 }
 
+static dbus_bool_t
+append_string_field (DBusString *dest,
+                     int         endian,
+                     const char *field_name,
+                     int         type,
+                     const char *value)
+{
+  int len;
+  
+  if (!_dbus_string_align_length (dest, 4))
+    {
+      _dbus_warn ("could not align field name\n");
+      return FALSE;
+    }
+
+  if (!_dbus_string_append (dest, field_name))
+    {
+      _dbus_warn ("couldn't append field name\n");
+      return FALSE;
+    }
+  
+  if (!_dbus_string_append_byte (dest, type))
+    {
+      _dbus_warn ("could not append typecode byte\n");
+      return FALSE;
+    }
+
+  len = strlen (value);
+
+  if (!_dbus_marshal_uint32 (dest, endian, len))
+    {
+      _dbus_warn ("couldn't append string length\n");
+      return FALSE;
+    }
+  
+  if (!_dbus_string_append (dest, value))
+    {
+      _dbus_warn ("couldn't append field value\n");
+      return FALSE;
+    }
+
+  if (!_dbus_string_append_byte (dest, 0))
+    {
+      _dbus_warn ("couldn't append string nul term\n");
+      return FALSE;
+    }
+
+  return TRUE;
+}
+
 /**
  * Reads the given filename, which should be in "message description
  * language" (look at some examples), and builds up the message data
@@ -298,6 +348,7 @@ message_type_from_string (const DBusString *str,
  * The file format is:
  * @code
  *   VALID_HEADER <type> normal header; byte order, type, padding, header len, body len, serial
+ *   REQUIRED_FIELDS add required fields with placeholder values
  *   BIG_ENDIAN switch to big endian
  *   LITTLE_ENDIAN switch to little endian
  *   OPPOSITE_ENDIAN switch to opposite endian
@@ -322,6 +373,7 @@ message_type_from_string (const DBusString *str,
  *   UINT64 <N> marshals a UINT64
  *   DOUBLE <N> marshals a double
  *   STRING 'Foo' marshals a string
+ *   OBJECT_PATH '/foo/bar' marshals an object path
  *   BYTE_ARRAY { 'a', 3, 4, 5, 6} marshals a BYTE array
  *   BOOLEAN_ARRAY { false, true, false} marshals a BOOLEAN array
  *   INT32_ARRAY { 3, 4, 5, 6} marshals an INT32 array
@@ -468,6 +520,25 @@ _dbus_message_data_load (DBusString       *dest,
             }
         }
       else if (_dbus_string_starts_with_c_str (&line,
+                                               "REQUIRED_FIELDS"))
+        {
+          if (!append_string_field (dest, endian,
+                                    DBUS_HEADER_FIELD_INTERFACE,
+                                    DBUS_TYPE_STRING,
+                                    "org.freedesktop.BlahBlahInterface"))
+            goto parse_failed;
+          if (!append_string_field (dest, endian,
+                                    DBUS_HEADER_FIELD_MEMBER,
+                                    DBUS_TYPE_STRING,
+                                    "BlahBlahMethod"))
+            goto parse_failed;
+          if (!append_string_field (dest, endian,
+                                    DBUS_HEADER_FIELD_PATH,
+                                    DBUS_TYPE_OBJECT_PATH,
+                                    "/blah/blah/path"))
+            goto parse_failed;
+        }
+      else if (_dbus_string_starts_with_c_str (&line,
                                                "BIG_ENDIAN"))
         {
           endian = DBUS_BIG_ENDIAN;
@@ -648,6 +719,8 @@ _dbus_message_data_load (DBusString       *dest,
             code = DBUS_TYPE_DOUBLE;
           else if (_dbus_string_starts_with_c_str (&line, "STRING"))
             code = DBUS_TYPE_STRING;
+          else if (_dbus_string_starts_with_c_str (&line, "OBJECT_PATH"))
+            code = DBUS_TYPE_OBJECT_PATH;
           else if (_dbus_string_starts_with_c_str (&line, "NAMED"))
             code = DBUS_TYPE_NAMED;
           else if (_dbus_string_starts_with_c_str (&line, "ARRAY"))
@@ -1270,6 +1343,36 @@ _dbus_message_data_load (DBusString       *dest,
           
           PERFORM_UNALIGN (dest);
         }
+      else if (_dbus_string_starts_with_c_str (&line,
+                                               "OBJECT_PATH"))
+        {
+          SAVE_FOR_UNALIGN (dest, 4);
+          int size_offset;
+          int old_len;
+          
+          _dbus_string_delete_first_word (&line);
+          
+          size_offset = _dbus_string_get_length (dest);
+          size_offset = _DBUS_ALIGN_VALUE (size_offset, 4);
+          if (!_dbus_marshal_uint32 (dest, endian, 0))
+            {
+              _dbus_warn ("Failed to append string size\n");
+              goto parse_failed;
+            }
+
+          old_len = _dbus_string_get_length (dest);
+          if (!append_quoted_string (dest, &line, 0, NULL))
+            {
+              _dbus_warn ("Failed to append quoted string\n");
+              goto parse_failed;
+            }
+
+          _dbus_marshal_set_uint32 (dest, endian, size_offset,
+                                    /* subtract 1 for nul */
+                                    _dbus_string_get_length (dest) - old_len - 1);
+          
+          PERFORM_UNALIGN (dest);
+        }      
       else
         goto parse_failed;
       
index 9b87c3d..090bdfc 100644 (file)
@@ -47,11 +47,12 @@ enum
   FIELD_HEADER_LENGTH,
   FIELD_BODY_LENGTH,
   FIELD_CLIENT_SERIAL,
+  FIELD_PATH,
   FIELD_INTERFACE,
   FIELD_MEMBER,
   FIELD_ERROR_NAME,
   FIELD_SERVICE,
-  FIELD_SENDER,
+  FIELD_SENDER_SERVICE,
   FIELD_REPLY_SERIAL,
 
   FIELD_LAST
@@ -62,11 +63,12 @@ static dbus_bool_t field_is_named[FIELD_LAST] =
   FALSE, /* FIELD_HEADER_LENGTH */
   FALSE, /* FIELD_BODY_LENGTH */
   FALSE, /* FIELD_CLIENT_SERIAL */
+  TRUE,  /* FIELD_PATH */
   TRUE,  /* FIELD_INTERFACE */
   TRUE,  /* FIELD_MEMBER */
   TRUE,  /* FIELD_ERROR_NAME */
   TRUE,  /* FIELD_SERVICE */
-  TRUE,  /* FIELD_SENDER */
+  TRUE,  /* FIELD_SENDER_SERVICE */
   TRUE   /* FIELD_REPLY_SERIAL */
 };
 
@@ -289,6 +291,31 @@ get_string_field (DBusMessage *message,
   return data + (offset + 4); 
 }
 
+/* returns FALSE if no memory, TRUE with NULL path if no field */
+static dbus_bool_t
+get_path_field_decomposed (DBusMessage  *message,
+                           int           field,
+                           char       ***path)
+{
+  int offset;
+
+  offset = message->header_fields[field].offset;
+
+  _dbus_assert (field < FIELD_LAST);
+  
+  if (offset < 0)
+    {
+      *path = NULL;
+      return TRUE;
+    }
+
+  return _dbus_demarshal_object_path (&message->header,
+                                      message->byte_order,
+                                      offset,
+                                      NULL,
+                                      path, NULL);
+}
+
 #ifdef DBUS_BUILD_TESTS
 static dbus_bool_t
 append_int_field (DBusMessage *message,
@@ -394,6 +421,7 @@ append_uint_field (DBusMessage *message,
 static dbus_bool_t
 append_string_field (DBusMessage *message,
                      int          field,
+                     int          type,
                      const char  *name,
                      const char  *value)
 {
@@ -411,7 +439,7 @@ append_string_field (DBusMessage *message,
   if (!_dbus_string_append_len (&message->header, name, 4))
     goto failed;
   
-  if (!_dbus_string_append_byte (&message->header, DBUS_TYPE_STRING))
+  if (!_dbus_string_append_byte (&message->header, type))
     goto failed;
 
   if (!_dbus_string_align_length (&message->header, 4))
@@ -580,6 +608,7 @@ set_uint_field (DBusMessage  *message,
 static dbus_bool_t
 set_string_field (DBusMessage *message,
                   int          field,
+                  int          type,
                   const char  *value)
 {
   int offset = message->header_fields[field].offset;
@@ -593,24 +622,28 @@ set_string_field (DBusMessage *message,
 
       switch (field)
         {
-        case FIELD_SENDER:
-          return append_string_field (message, field,
-                                      DBUS_HEADER_FIELD_SENDER,
+        case FIELD_PATH:
+          return append_string_field (message, field, type,
+                                      DBUS_HEADER_FIELD_PATH,
+                                      value);
+        case FIELD_SENDER_SERVICE:
+          return append_string_field (message, field, type,
+                                      DBUS_HEADER_FIELD_SENDER_SERVICE,
                                       value);
         case FIELD_INTERFACE:
-          return append_string_field (message, field,
+          return append_string_field (message, field, type,
                                       DBUS_HEADER_FIELD_INTERFACE,
                                       value);
         case FIELD_MEMBER:
-          return append_string_field (message, field,
+          return append_string_field (message, field, type,
                                       DBUS_HEADER_FIELD_MEMBER,
                                       value);
         case FIELD_ERROR_NAME:
-          return append_string_field (message, field,
+          return append_string_field (message, field, type,
                                       DBUS_HEADER_FIELD_ERROR_NAME,
                                       value);
         case FIELD_SERVICE:
-          return append_string_field (message, field,
+          return append_string_field (message, field, type,
                                       DBUS_HEADER_FIELD_SERVICE,
                                       value);
         default:
@@ -829,10 +862,11 @@ _dbus_message_remove_size_counter (DBusMessage  *message,
 static dbus_bool_t
 dbus_message_create_header (DBusMessage *message,
                             int          type,
+                            const char  *service,
+                            const char  *path,
                             const char  *interface,
                             const char  *member,
-                            const char  *error_name,
-                            const char  *service)
+                            const char  *error_name)
 {
   unsigned int flags;
 
@@ -865,11 +899,21 @@ dbus_message_create_header (DBusMessage *message,
   if (!_dbus_marshal_int32 (&message->header, message->byte_order, -1))
     return FALSE;
   
-  /* Marshal message service */
+  /* Marshal all the fields (Marshall Fields?) */
+  
+  if (path != NULL)
+    {
+      if (!append_string_field (message,
+                                FIELD_PATH, DBUS_TYPE_OBJECT_PATH,
+                                DBUS_HEADER_FIELD_PATH,
+                                path))
+        return FALSE;
+    }
+  
   if (service != NULL)
     {
       if (!append_string_field (message,
-                                FIELD_SERVICE,
+                                FIELD_SERVICE, DBUS_TYPE_STRING,
                                 DBUS_HEADER_FIELD_SERVICE,
                                 service))
         return FALSE;
@@ -878,7 +922,7 @@ dbus_message_create_header (DBusMessage *message,
   if (interface != NULL)
     {
       if (!append_string_field (message,
-                                FIELD_INTERFACE,
+                                FIELD_INTERFACE, DBUS_TYPE_STRING,
                                 DBUS_HEADER_FIELD_INTERFACE,
                                 interface))
         return FALSE;
@@ -887,7 +931,7 @@ dbus_message_create_header (DBusMessage *message,
   if (member != NULL)
     {
       if (!append_string_field (message,
-                                FIELD_MEMBER,
+                                FIELD_MEMBER, DBUS_TYPE_STRING,
                                 DBUS_HEADER_FIELD_MEMBER,
                                 member))
         return FALSE;
@@ -896,7 +940,7 @@ dbus_message_create_header (DBusMessage *message,
   if (error_name != NULL)
     {
       if (!append_string_field (message,
-                                FIELD_ERROR_NAME,
+                                FIELD_ERROR_NAME, DBUS_TYPE_STRING,
                                 DBUS_HEADER_FIELD_ERROR_NAME,
                                 error_name))
         return FALSE;
@@ -1015,7 +1059,7 @@ dbus_message_new (int message_type)
   
   if (!dbus_message_create_header (message,
                                    message_type,
-                                   NULL, NULL, NULL, NULL))
+                                   NULL, NULL, NULL, NULL, NULL))
     {
       dbus_message_unref (message);
       return NULL;
@@ -1029,22 +1073,27 @@ dbus_message_new (int message_type)
  * object. Returns #NULL if memory can't be allocated for the
  * message. The service may be #NULL in which case no service is set;
  * this is appropriate when using D-BUS in a peer-to-peer context (no
- * message bus).
- *
+ * message bus). The interface may be #NULL, which means that
+ * if multiple methods with the given name exist it is undefined
+ * which one will be invoked.
+  *
+ * @param service service that the message should be sent to or #NULL
+ * @param path object path the message should be sent to
  * @param interface interface to invoke method on
  * @param method method to invoke
- * @param destination_service service that the message should be sent to or #NULL
+ * 
  * @returns a new DBusMessage, free with dbus_message_unref()
  * @see dbus_message_unref()
  */
 DBusMessage*
-dbus_message_new_method_call (const char *interface,
-                              const char *method,
-                              const char *destination_service)           
+dbus_message_new_method_call (const char *service,
+                              const char *path,
+                              const char *interface,
+                              const char *method)
 {
   DBusMessage *message;
 
-  _dbus_return_val_if_fail (interface != NULL, NULL);
+  _dbus_return_val_if_fail (path != NULL, NULL);
   _dbus_return_val_if_fail (method != NULL, NULL);
   
   message = dbus_message_new_empty_header ();
@@ -1053,7 +1102,7 @@ dbus_message_new_method_call (const char *interface,
   
   if (!dbus_message_create_header (message,
                                    DBUS_MESSAGE_TYPE_METHOD_CALL,
-                                   interface, method, NULL, destination_service))
+                                   service, path, interface, method, NULL))
     {
       dbus_message_unref (message);
       return NULL;
@@ -1080,8 +1129,8 @@ dbus_message_new_method_return (DBusMessage *method_call)
   _dbus_return_val_if_fail (method_call != NULL, NULL);
   
   sender = get_string_field (method_call,
-                             FIELD_SENDER, NULL);
-
+                             FIELD_SENDER_SERVICE, NULL);
+  
   /* sender is allowed to be null here in peer-to-peer case */
 
   message = dbus_message_new_empty_header ();
@@ -1090,7 +1139,7 @@ dbus_message_new_method_return (DBusMessage *method_call)
   
   if (!dbus_message_create_header (message,
                                    DBUS_MESSAGE_TYPE_METHOD_RETURN,
-                                   NULL, NULL, NULL, sender))
+                                   sender, NULL, NULL, NULL, NULL))
     {
       dbus_message_unref (message);
       return NULL;
@@ -1118,11 +1167,14 @@ dbus_message_new_method_return (DBusMessage *method_call)
  * @see dbus_message_unref()
  */
 DBusMessage*
-dbus_message_new_signal (const char *interface,
+dbus_message_new_signal (const char *path,
+                         const char *interface,
                          const char *name)
 {
   DBusMessage *message;
 
+  _dbus_return_val_if_fail (path != NULL, NULL);
+  _dbus_return_val_if_fail (interface != NULL, NULL);
   _dbus_return_val_if_fail (name != NULL, NULL);
   
   message = dbus_message_new_empty_header ();
@@ -1131,7 +1183,7 @@ dbus_message_new_signal (const char *interface,
   
   if (!dbus_message_create_header (message,
                                    DBUS_MESSAGE_TYPE_SIGNAL,
-                                   interface, name, NULL, NULL))
+                                   NULL, path, interface, name, NULL))
     {
       dbus_message_unref (message);
       return NULL;
@@ -1162,7 +1214,7 @@ dbus_message_new_error (DBusMessage *reply_to,
   _dbus_return_val_if_fail (error_name != NULL, NULL);
   
   sender = get_string_field (reply_to,
-                             FIELD_SENDER, NULL);
+                             FIELD_SENDER_SERVICE, NULL);
 
   /* sender may be NULL for non-message-bus case or
    * when the message bus is dealing with an unregistered
@@ -1174,7 +1226,7 @@ dbus_message_new_error (DBusMessage *reply_to,
   
   if (!dbus_message_create_header (message,
                                    DBUS_MESSAGE_TYPE_ERROR,
-                                   NULL, NULL, error_name, sender))
+                                   sender, NULL, NULL, NULL, error_name))
     {
       dbus_message_unref (message);
       return NULL;
@@ -1353,6 +1405,78 @@ dbus_message_get_type (DBusMessage *message)
 }
 
 /**
+ * Sets the object path this message is being sent to (for
+ * DBUS_MESSAGE_TYPE_METHOD_CALL) or the one a signal is being
+ * emitted from (for DBUS_MESSAGE_TYPE_SIGNAL).
+ *
+ * @param message the message
+ * @param object_path the path
+ * @returns #FALSE if not enough memory
+ */
+dbus_bool_t
+dbus_message_set_path (DBusMessage   *message,
+                       const char    *object_path)
+{
+  _dbus_return_val_if_fail (message != NULL, FALSE);
+  _dbus_return_val_if_fail (!message->locked, FALSE);
+  
+  if (object_path == NULL)
+    {
+      delete_string_field (message, FIELD_PATH);
+      return TRUE;
+    }
+  else
+    {
+      return set_string_field (message,
+                               FIELD_PATH,
+                               DBUS_TYPE_OBJECT_PATH,
+                               object_path);
+    }
+}
+
+/**
+ * Gets the object path this message is being sent to
+ * (for DBUS_MESSAGE_TYPE_METHOD_CALL) or being emitted
+ * from (for DBUS_MESSAGE_TYPE_SIGNAL).
+ *
+ * @param message the message
+ * @returns the path (should not be freed)
+ */
+const char*
+dbus_message_get_path (DBusMessage   *message)
+{
+  _dbus_return_val_if_fail (message != NULL, NULL);
+  
+  return get_string_field (message, FIELD_PATH, NULL);
+}
+
+/**
+ * Gets the object path this message is being sent to
+ * (for DBUS_MESSAGE_TYPE_METHOD_CALL) or being emitted
+ * from (for DBUS_MESSAGE_TYPE_SIGNAL) in a decomposed
+ * format (one array element per path component).
+ * Free the returned array with dbus_free_string_array().
+ *
+ * An empty but non-NULL path array means the path "/".
+ * So the path "/foo/bar" becomes { "foo", "bar", NULL }
+ * and the path "/" becomes { NULL }.
+ *
+ * @param message the message
+ * @param path place to store allocated array of path components; #NULL set here if no path field exists
+ * @returns #FALSE if no memory to allocate the array
+ */
+dbus_bool_t
+dbus_message_get_path_decomposed (DBusMessage   *message,
+                                  char        ***path)
+{
+  _dbus_return_val_if_fail (message != NULL, FALSE);
+  _dbus_return_val_if_fail (path != NULL, FALSE);
+
+  return get_path_field_decomposed (message, FIELD_PATH,
+                                    path);
+}
+
+/**
  * Sets the interface this message is being sent to
  * (for DBUS_MESSAGE_TYPE_METHOD_CALL) or
  * the interface a signal is being emitted from
@@ -1378,6 +1502,7 @@ dbus_message_set_interface (DBusMessage  *message,
     {
       return set_string_field (message,
                                FIELD_INTERFACE,
+                               DBUS_TYPE_STRING,
                                interface);
     }
 }
@@ -1425,6 +1550,7 @@ dbus_message_set_member (DBusMessage  *message,
     {
       return set_string_field (message,
                                FIELD_MEMBER,
+                               DBUS_TYPE_STRING,
                                member);
     }
 }
@@ -1469,6 +1595,7 @@ dbus_message_set_error_name (DBusMessage  *message,
     {
       return set_string_field (message,
                                FIELD_ERROR_NAME,
+                               DBUS_TYPE_STRING,
                                error_name);
     }
 }
@@ -1510,6 +1637,7 @@ dbus_message_set_destination (DBusMessage  *message,
     {
       return set_string_field (message,
                                FIELD_SERVICE,
+                               DBUS_TYPE_STRING,
                                destination);
     }
 }
@@ -3977,13 +4105,14 @@ dbus_message_set_sender (DBusMessage  *message,
 
   if (sender == NULL)
     {
-      delete_string_field (message, FIELD_SENDER);
+      delete_string_field (message, FIELD_SENDER_SERVICE);
       return TRUE;
     }
   else
     {
       return set_string_field (message,
-                               FIELD_SENDER,
+                               FIELD_SENDER_SERVICE,
+                               DBUS_TYPE_STRING,
                                sender);
     }
 }
@@ -4046,7 +4175,7 @@ dbus_message_get_sender (DBusMessage *message)
 {
   _dbus_return_val_if_fail (message != NULL, NULL);
   
-  return get_string_field (message, FIELD_SENDER, NULL);
+  return get_string_field (message, FIELD_SENDER_SERVICE, NULL);
 }
 
 static dbus_bool_t
@@ -4436,6 +4565,10 @@ _dbus_message_loader_get_buffer (DBusMessageLoader  *loader,
                        (((dbus_uint32_t)c) << 8)  |     \
                        ((dbus_uint32_t)d))
 
+/** DBUS_HEADER_FIELD_PATH packed into a dbus_uint32_t */
+#define DBUS_HEADER_FIELD_PATH_AS_UINT32    \
+  FOUR_CHARS_TO_UINT32 ('p', 'a', 't', 'h')
+
 /** DBUS_HEADER_FIELD_INTERFACE packed into a dbus_uint32_t */
 #define DBUS_HEADER_FIELD_INTERFACE_AS_UINT32    \
   FOUR_CHARS_TO_UINT32 ('i', 'f', 'c', 'e')
@@ -4456,9 +4589,9 @@ _dbus_message_loader_get_buffer (DBusMessageLoader  *loader,
 #define DBUS_HEADER_FIELD_REPLY_AS_UINT32   \
   FOUR_CHARS_TO_UINT32 ('r', 'p', 'l', 'y')
 
-/** DBUS_HEADER_FIELD_SENDER Packed into a dbus_uint32_t */
-#define DBUS_HEADER_FIELD_SENDER_AS_UINT32  \
-  FOUR_CHARS_TO_UINT32 ('s', 'n', 'd', 'r')
+/** DBUS_HEADER_FIELD_SENDER_SERVICE Packed into a dbus_uint32_t */
+#define DBUS_HEADER_FIELD_SENDER_SERVICE_AS_UINT32  \
+  FOUR_CHARS_TO_UINT32 ('s', 'd', 'r', 's')
 
 static dbus_bool_t
 decode_string_field (const DBusString   *data,
@@ -4530,7 +4663,7 @@ decode_string_field (const DBusString   *data,
         }
     }
   else if (field == FIELD_SERVICE ||
-           field == FIELD_SENDER)
+           field == FIELD_SENDER_SERVICE)
     {
       if (!_dbus_string_validate_service (&tmp, 0, _dbus_string_get_length (&tmp)))
         {
@@ -4538,7 +4671,7 @@ decode_string_field (const DBusString   *data,
                          field_name, _dbus_string_get_const_data (&tmp));
           return FALSE;
         }
-    }  
+    }
   else
     {
       _dbus_assert_not_reached ("Unknown field\n");
@@ -4601,7 +4734,7 @@ decode_header_data (const DBusString   *data,
           return FALSE;
         }
       
-      field =_dbus_string_get_const_data_len (data, pos, 4);
+      field = _dbus_string_get_const_data_len (data, pos, 4);
       pos += 4;
 
       _dbus_assert (_DBUS_ALIGN_ADDRESS (field, 4) == field);
@@ -4654,12 +4787,51 @@ decode_header_data (const DBusString   *data,
             return FALSE;
           break;
           
-       case DBUS_HEADER_FIELD_SENDER_AS_UINT32:
+       case DBUS_HEADER_FIELD_SENDER_SERVICE_AS_UINT32:
           if (!decode_string_field (data, fields, pos, type,
-                                    FIELD_SENDER,
-                                    DBUS_HEADER_FIELD_SENDER))
+                                    FIELD_SENDER_SERVICE,
+                                    DBUS_HEADER_FIELD_SENDER_SERVICE))
             return FALSE;
          break;
+
+       case DBUS_HEADER_FIELD_PATH_AS_UINT32:
+
+          /* Path was already validated as part of standard
+           * type validation, since there's an OBJECT_PATH
+           * type.
+           */
+          
+          if (fields[FIELD_PATH].offset >= 0)
+            {
+              _dbus_verbose ("%s field provided twice\n",
+                             DBUS_HEADER_FIELD_PATH);
+              return FALSE;
+            }
+          if (type != DBUS_TYPE_OBJECT_PATH)
+            {
+              _dbus_verbose ("%s field has wrong type\n", DBUS_HEADER_FIELD_PATH);
+              return FALSE;
+            }
+
+          fields[FIELD_PATH].offset = _DBUS_ALIGN_VALUE (pos, 4);
+
+          /* No forging signals from the local path */
+          {
+            const char *s;
+            s = _dbus_string_get_const_data_len (data,
+                                                 fields[FIELD_PATH].offset,
+                                                 _dbus_string_get_length (data) -
+                                                 fields[FIELD_PATH].offset);
+            if (strcmp (s, DBUS_PATH_ORG_FREEDESKTOP_LOCAL) == 0)
+              {
+                _dbus_verbose ("Message is on the local path\n");
+                return FALSE;
+              }
+          }
+          
+          _dbus_verbose ("Found path at offset %d\n",
+                         fields[FIELD_PATH].offset);
+         break;
           
        case DBUS_HEADER_FIELD_REPLY_AS_UINT32:
           if (fields[FIELD_REPLY_SERIAL].offset >= 0)
@@ -4707,6 +4879,13 @@ decode_header_data (const DBusString   *data,
     {
     case DBUS_MESSAGE_TYPE_SIGNAL:
     case DBUS_MESSAGE_TYPE_METHOD_CALL:
+      if (fields[FIELD_PATH].offset < 0)
+        {
+          _dbus_verbose ("No %s field provided\n",
+                         DBUS_HEADER_FIELD_PATH);
+          return FALSE;
+        }
+      /* FIXME make this optional, at least for method calls */
       if (fields[FIELD_INTERFACE].offset < 0)
         {
           _dbus_verbose ("No %s field provided\n",
@@ -6310,9 +6489,10 @@ _dbus_message_test (const char *test_data_dir)
   
   _dbus_assert (sizeof (DBusMessageRealIter) <= sizeof (DBusMessageIter));
 
-  message = dbus_message_new_method_call ("Foo.TestInterface",
-                                          "TestMethod",
-                                          "org.freedesktop.DBus.TestService");
+  message = dbus_message_new_method_call ("org.freedesktop.DBus.TestService",
+                                          "/org/freedesktop/TestPath",
+                                          "Foo.TestInterface",
+                                          "TestMethod");
   _dbus_assert (dbus_message_has_destination (message, "org.freedesktop.DBus.TestService"));
   _dbus_assert (dbus_message_is_method_call (message, "Foo.TestInterface",
                                              "TestMethod"));
@@ -6333,9 +6513,10 @@ _dbus_message_test (const char *test_data_dir)
   dbus_message_unref (message);
   
   /* Test the vararg functions */
-  message = dbus_message_new_method_call ("Foo.TestInterface",
-                                          "TestMethod",
-                                          "org.freedesktop.DBus.TestService");
+  message = dbus_message_new_method_call ("org.freedesktop.DBus.TestService",
+                                          "/org/freedesktop/TestPath",
+                                          "Foo.TestInterface",
+                                          "TestMethod");
   _dbus_message_set_serial (message, 1);
   dbus_message_append_args (message,
                            DBUS_TYPE_INT32, -0x12345678,
@@ -6406,9 +6587,11 @@ _dbus_message_test (const char *test_data_dir)
   dbus_message_unref (message);
   dbus_message_unref (copy);
 
-  message = dbus_message_new_method_call ("Foo.TestInterface",
-                                          "TestMethod",
-                                          "org.freedesktop.DBus.TestService");
+  message = dbus_message_new_method_call ("org.freedesktop.DBus.TestService",
+                                          "/org/freedesktop/TestPath",
+                                          "Foo.TestInterface",
+                                          "TestMethod");
+
   _dbus_message_set_serial (message, 1);
   dbus_message_set_reply_serial (message, 0x12345678);
 
index 526cf97..def6537 100644 (file)
@@ -58,11 +58,13 @@ struct DBusMessageIter
 };
 
 DBusMessage* dbus_message_new               (int          message_type);
-DBusMessage* dbus_message_new_method_call   (const char  *interface,
-                                             const char  *method,
-                                             const char  *destination_service);
+DBusMessage* dbus_message_new_method_call   (const char  *service,
+                                             const char  *path,
+                                             const char  *interface,
+                                             const char  *method);
 DBusMessage* dbus_message_new_method_return (DBusMessage *method_call);
-DBusMessage* dbus_message_new_signal        (const char  *interface,
+DBusMessage* dbus_message_new_signal        (const char  *path,
+                                             const char  *interface,
                                              const char  *name);
 DBusMessage* dbus_message_new_error         (DBusMessage *reply_to,
                                              const char  *error_name,
@@ -73,6 +75,9 @@ DBusMessage *dbus_message_copy              (const DBusMessage *message);
 void          dbus_message_ref              (DBusMessage   *message);
 void          dbus_message_unref            (DBusMessage   *message);
 int           dbus_message_get_type         (DBusMessage   *message);
+dbus_bool_t   dbus_message_set_path         (DBusMessage   *message,
+                                             const char    *object_path);
+const char*   dbus_message_get_path         (DBusMessage   *message);
 dbus_bool_t   dbus_message_set_interface    (DBusMessage   *message,
                                              const char    *interface);
 const char*   dbus_message_get_interface    (DBusMessage   *message);
@@ -108,6 +113,9 @@ dbus_bool_t   dbus_message_set_reply_serial (DBusMessage   *message,
                                              dbus_uint32_t  reply_serial);
 dbus_uint32_t dbus_message_get_reply_serial (DBusMessage   *message);
 
+dbus_bool_t   dbus_message_get_path_decomposed (DBusMessage   *message,
+                                                char        ***path);
+
 dbus_bool_t dbus_message_append_args          (DBusMessage     *message,
                                               int              first_arg_type,
                                               ...);
index 379e2f0..24e402a 100644 (file)
  * Types and functions related to DBusObjectTree. These
  * are all internal.
  *
+ * @todo this is totally broken, because of the following case:
+ *    /foo, /foo/bar, /foo/baz
+ *  if we then receive a message to /foo/baz we need to hand it
+ * to /foo/baz and /foo but not /foo/bar. So we should be
+ * using a real tree structure as with GConfListeners.
+ *
  * @{
  */
 
 typedef struct DBusObjectSubtree DBusObjectSubtree;
 
-static DBusObjectSubtree* _dbus_object_subtree_new   (const char                 **path,
+static DBusObjectSubtree* _dbus_object_subtree_new   (const char                  *name,
                                                       const DBusObjectPathVTable  *vtable,
                                                       void                        *user_data);
 static void               _dbus_object_subtree_ref   (DBusObjectSubtree           *subtree);
@@ -52,41 +58,42 @@ struct DBusObjectTree
   int                 refcount;
   DBusConnection     *connection;
 
-  /* Each subtree is a separate malloc block since that
-   * lets us refcount them and maybe helps with
-   * reentrancy issues when calling back to application code
-   */
-  DBusObjectSubtree **subtrees;
-  int                 n_subtrees;
-  unsigned int        subtrees_sorted : 1;
+  DBusObjectSubtree  *root;
 };
 
 struct DBusObjectSubtree
 {
   DBusAtomic                         refcount;
+  DBusObjectSubtree                 *parent;
   DBusObjectPathUnregisterFunction   unregister_function;
   DBusObjectPathMessageFunction      message_function;
   void                              *user_data;
-  char                              *path[1]; /**< Allocated as large as necessary */
+  DBusObjectSubtree                **subtrees;
+  int                                n_subtrees;
+  unsigned int                       subtrees_sorted : 1;
+  char                               name[1]; /**< Allocated as large as necessary */
 };
 
 DBusObjectTree*
 _dbus_object_tree_new (DBusConnection *connection)
 {
   DBusObjectTree *tree;
-  
+
   /* the connection passed in here isn't fully constructed,
    * so don't do anything more than store a pointer to
    * it
    */
-  
+
   tree = dbus_new0 (DBusObjectTree, 1);
   if (tree == NULL)
     goto oom;
-  
+
   tree->refcount = 1;
   tree->connection = connection;
-  
+  tree->root = _dbus_object_subtree_new ("/", NULL, NULL);
+  if (tree->root == NULL)
+    goto oom;
+
   return tree;
 
  oom:
@@ -94,7 +101,7 @@ _dbus_object_tree_new (DBusConnection *connection)
     {
       dbus_free (tree);
     }
-  
+
   return NULL;
 }
 
@@ -117,55 +124,15 @@ _dbus_object_tree_unref (DBusObjectTree *tree)
     {
       _dbus_object_tree_free_all_unlocked (tree);
 
-      dbus_free (tree->subtrees);
       dbus_free (tree);
     }
 }
 
 static int
-path_cmp (const char **path_a,
-          const char **path_b)
-{
-  /* strcmp() considers a shorter string less than a longer string if
-   * the shorter string is the initial part of the longer. We
-   * consider a path with less elements less than a path with more
-   * elements.
-   */
-  int i;
-
-  i = 0;
-  while (path_a[i] != NULL)
-    {
-      int v;
-      
-      if (path_b[i] == NULL)
-        return 1; /* a is longer than b */
-
-      _dbus_assert (path_a[i] != NULL);
-      _dbus_assert (path_b[i] != NULL);
-      
-      v = strcmp (path_a[i], path_b[i]);
-
-      if (v != 0)
-        return v;
-
-      ++i;
-    }
-
-  _dbus_assert (path_a[i] == NULL);
-  if (path_b[i] == NULL)
-    return 0;
-  
-  /* b is longer than a */
-  return -1;
-}
-
-static int
 subtree_cmp (DBusObjectSubtree *subtree_a,
              DBusObjectSubtree *subtree_b)
 {
-  return path_cmp ((const char**) subtree_a->path,
-                   (const char**) subtree_b->path);
+  return strcmp (subtree_a->name, subtree_b->name);
 }
 
 static int
@@ -175,163 +142,198 @@ subtree_qsort_cmp (const void *a,
   DBusObjectSubtree **subtree_a_p = (void*) a;
   DBusObjectSubtree **subtree_b_p = (void*) b;
 
-  return subtree_cmp (*subtree_a_p, *subtree_b_p);  
-}
-
-/* Returns TRUE if container is a parent of child
- */
-static dbus_bool_t
-path_contains (const char **container,
-               const char **child)
-{
-  int i;
-
-  i = 0;
-  while (child[i] != NULL)
-    {
-      int v;
-      
-      if (container[i] == NULL)
-        return TRUE; /* container ran out, child continues;
-                      * thus the container is a parent of the
-                      * child.
-                      */
-
-      _dbus_assert (container[i] != NULL);
-      _dbus_assert (child[i] != NULL);
-      
-      v = strcmp (container[i], child[i]);
-
-      if (v != 0)
-        return FALSE; /* they overlap until here and then are different,
-                       * not overlapping
-                       */
-
-      ++i;
-    }
-
-  /* Child ran out; if container also did, they are equal;
-   * otherwise, the child is a parent of the container.
-   */
-  if (container[i] == NULL)
-    return TRUE; /* equal is counted as containing */
-  else
-    return FALSE;
+  return subtree_cmp (*subtree_a_p, *subtree_b_p);
 }
 
 static void
-ensure_sorted (DBusObjectTree *tree)
+ensure_sorted (DBusObjectSubtree *subtree)
 {
-  if (tree->subtrees && !tree->subtrees_sorted)
+  if (subtree->subtrees && !subtree->subtrees_sorted)
     {
-      qsort (tree->subtrees,
-             tree->n_subtrees,
+      qsort (subtree->subtrees,
+             subtree->n_subtrees,
              sizeof (DBusObjectSubtree*),
              subtree_qsort_cmp);
-      tree->subtrees_sorted = TRUE;
+      subtree->subtrees_sorted = TRUE;
     }
 }
 
-static dbus_bool_t
-find_subtree (DBusObjectTree *tree,
-              const char    **path,
-              int            *idx_p)
+#define VERBOSE_FIND 0
+
+static DBusObjectSubtree*
+find_subtree_recurse (DBusObjectSubtree  *subtree,
+                      const char        **path,
+                      dbus_bool_t         return_deepest_match,
+                      dbus_bool_t         create_if_not_found,
+                      int                *index_in_parent)
 {
   int i;
-  
-  if (tree->subtrees == NULL)
-    return FALSE;
 
-  ensure_sorted (tree);  
+  _dbus_assert (!(return_deepest_match && create_if_not_found));
+
+  if (path[0] == NULL)
+    {
+#if VERBOSE_FIND
+      _dbus_verbose ("  path exhausted, returning %s\n",
+                     subtree->name);
+#endif
+      return subtree;
+    }
 
-  /* FIXME this should be a binary search,
-   * as that's the whole point of the sorting
+#if VERBOSE_FIND
+  _dbus_verbose ("  searching children of %s for %s\n",
+                 subtree->name, path[0]);
+#endif
+  
+  ensure_sorted (subtree);
+
+  /* FIXME we should do a binary search here instead
+   * of O(n)
    */
+
   i = 0;
-  while (i < tree->n_subtrees)
+  while (i < subtree->n_subtrees)
     {
       int v;
 
-      v = path_cmp (path,
-                    (const char**) tree->subtrees[i]->path);
+      v = strcmp (path[0], subtree->subtrees[i]->name);
+
+#if VERBOSE_FIND
+      _dbus_verbose ("  %s cmp %s = %d\n",
+                     path[0], subtree->subtrees[i]->name,
+                     v);
+#endif
       
       if (v == 0)
         {
-          if (idx_p)
-            *idx_p = i;
-          
-          return TRUE;
+          if (index_in_parent)
+            {
+#if VERBOSE_FIND
+              _dbus_verbose ("  storing parent index %d\n", i);
+#endif
+              *index_in_parent = i;
+            }
+
+          if (return_deepest_match)
+            {
+              DBusObjectSubtree *next;
+
+              next = find_subtree_recurse (subtree->subtrees[i],
+                                           &path[1], return_deepest_match,
+                                           create_if_not_found, index_in_parent);
+              if (next == NULL)
+                {
+#if VERBOSE_FIND
+                  _dbus_verbose ("  no deeper match found, returning %s\n",
+                                 subtree->name);
+#endif
+                  return subtree;
+                }
+              else
+                return next;
+            }
+          else
+            return find_subtree_recurse (subtree->subtrees[i],
+                                         &path[1], return_deepest_match,
+                                         create_if_not_found, index_in_parent);
         }
       else if (v < 0)
         {
-          return FALSE;
+          goto not_found;
         }
-      
+
       ++i;
     }
-  
-  return FALSE;
-}
 
-static dbus_bool_t
-find_handler (DBusObjectTree *tree,
-              const char    **path,
-              int            *idx_p)
-{
-  int i;
-  int found_so_far;
-  
-  if (tree->subtrees == NULL)
-    return FALSE;
-  
-  ensure_sorted (tree);
+ not_found:
+#if VERBOSE_FIND
+  _dbus_verbose ("  no match found, current tree %s, create_if_not_found = %d\n",
+                 subtree->name, create_if_not_found);
+#endif
   
-  /* FIXME this should be a binary search,
-   * as that's the whole point of the sorting
-   */
-  found_so_far = -1;
-  i = 0;
-  while (i < tree->n_subtrees)
+  if (create_if_not_found)
     {
-      /* Longer paths are after shorter, so we scan
-       * for the latest containing path in the array.
-       * If we did a binary search we'd start with
-       * the first search match.
-       */
-      if (path_contains ((const char**) tree->subtrees[i]->path,
-                         path))
-        found_so_far = i;
-      else if (found_so_far >= 0)
-        break; /* no need to scan further */
+      DBusObjectSubtree* child;
+      DBusObjectSubtree **new_subtrees;
+      int new_n_subtrees;
+
+#if VERBOSE_FIND
+      _dbus_verbose ("  creating subtree %s\n",
+                     path[0]);
+#endif
       
-      ++i;
-    }
+      child = _dbus_object_subtree_new (path[0],
+                                        NULL, NULL);
+      if (child == NULL)
+        return NULL;
+
+      /* FIXME we should do the "double alloc each time" standard thing */
+      new_n_subtrees = subtree->n_subtrees + 1;
+      new_subtrees = dbus_realloc (subtree->subtrees,
+                                   new_n_subtrees * sizeof (DBusObjectSubtree*));
+      if (new_subtrees == NULL)
+        {
+          child->unregister_function = NULL;
+          child->message_function = NULL;
+          _dbus_object_subtree_unref (child);
+          return FALSE;
+        }
 
-  if (idx_p)
-    *idx_p = found_so_far;
+      new_subtrees[subtree->n_subtrees] = child;
+      if (index_in_parent)
+        *index_in_parent = subtree->n_subtrees;
+      subtree->subtrees_sorted = FALSE;
+      subtree->n_subtrees = new_n_subtrees;
+      subtree->subtrees = new_subtrees;
 
-  return FALSE;
+      child->parent = subtree;
+
+      return find_subtree_recurse (child,
+                                   &path[1], return_deepest_match,
+                                   create_if_not_found, index_in_parent);
+    }
+  else
+    return return_deepest_match ? subtree : NULL;
 }
 
-#ifndef DBUS_DISABLE_CHECKS
-static void
-check_already_exists (DBusObjectTree *tree,
-                      const char    **path)
+static DBusObjectSubtree*
+find_subtree (DBusObjectTree *tree,
+              const char    **path,
+              int            *index_in_parent)
 {
-  int i;
+  DBusObjectSubtree *subtree;
 
-  i = 0;
-  while (i < tree->n_subtrees)
-    {
-      if (path_cmp (path, (const char**) tree->subtrees[i]->path) == 0)
-        {
-          _dbus_warn ("New path (path[0] = %s) already registered\n",
-                      path[0]);
-        }
-      ++i;
-    }
+#if VERBOSE_FIND
+  _dbus_verbose ("Looking for exact registered subtree\n");
+#endif
+  
+  subtree = find_subtree_recurse (tree->root, path, FALSE, FALSE, index_in_parent);
+
+  if (subtree && subtree->message_function == NULL)
+    return NULL;
+  else
+    return subtree;
 }
+
+static DBusObjectSubtree*
+find_handler (DBusObjectTree *tree,
+              const char    **path)
+{
+#if VERBOSE_FIND
+  _dbus_verbose ("Looking for deepest handler\n");
 #endif
+  return find_subtree_recurse (tree->root, path, TRUE, FALSE, NULL);
+}
+
+static DBusObjectSubtree*
+ensure_subtree (DBusObjectTree *tree,
+                const char    **path)
+{
+#if VERBOSE_FIND
+  _dbus_verbose ("Ensuring subtree\n");
+#endif
+  return find_subtree_recurse (tree->root, path, FALSE, TRUE, NULL);
+}
 
 /**
  * Registers a new subtree in the global object tree.
@@ -349,37 +351,25 @@ _dbus_object_tree_register (DBusObjectTree              *tree,
                             void                        *user_data)
 {
   DBusObjectSubtree  *subtree;
-  DBusObjectSubtree **new_subtrees;
-  int new_n_subtrees;
 
   _dbus_assert (tree != NULL);
-  _dbus_assert (vtable->message_function != NULL);  
+  _dbus_assert (vtable->message_function != NULL);
   _dbus_assert (path != NULL);
-#ifndef DBUS_DISABLE_CHECKS
-  check_already_exists (tree, path);
-#endif
-  _dbus_assert (path[0] != NULL);
-  
-  subtree = _dbus_object_subtree_new (path, vtable, user_data);
+
+  subtree = ensure_subtree (tree, path);
   if (subtree == NULL)
     return FALSE;
-  
-  /* FIXME we should do the "double alloc each time" standard thing */
-  new_n_subtrees = tree->n_subtrees + 1;
-  new_subtrees = dbus_realloc (tree->subtrees,
-                               new_n_subtrees * sizeof (DBusObjectSubtree*));
-  if (new_subtrees == NULL)
+
+  if (subtree->message_function != NULL)
     {
-      subtree->unregister_function = NULL;
-      subtree->message_function = NULL;
-      _dbus_object_subtree_unref (subtree);
+      _dbus_warn ("A handler is already registered for the path starting with path[0] = \"%s\"\n",
+                  path[0] ? path[0] : "null");
       return FALSE;
     }
 
-  new_subtrees[tree->n_subtrees] = subtree;
-  tree->subtrees_sorted = FALSE;
-  tree->n_subtrees = new_n_subtrees;
-  tree->subtrees = new_subtrees;
+  subtree->message_function = vtable->message_function;
+  subtree->unregister_function = vtable->unregister_function;
+  subtree->user_data = user_data;
 
   return TRUE;
 }
@@ -397,43 +387,102 @@ _dbus_object_tree_unregister_and_unlock (DBusObjectTree          *tree,
 {
   int i;
   DBusObjectSubtree *subtree;
+  DBusObjectPathUnregisterFunction unregister_function;
+  void *user_data;
+  DBusConnection *connection;
 
   _dbus_assert (path != NULL);
-  _dbus_assert (path[0] != NULL);
 
-  if (!find_subtree (tree, path, &i))
+  subtree = find_subtree (tree, path, &i);
+
+  if (subtree == NULL)
     {
       _dbus_warn ("Attempted to unregister path (path[0] = %s path[1] = %s) which isn't registered\n",
-                  path[0], path[1] ? path[1] : "null");
+                  path[0] ? path[0] : "null",
+                  path[1] ? path[1] : "null");
       return;
     }
 
-  _dbus_assert (i >= 0);
-  
-  subtree = tree->subtrees[i];
-
-  /* assumes a 0-byte memmove is OK */
-  memmove (&tree->subtrees[i],
-           &tree->subtrees[i+1],
-           (tree->n_subtrees - i - 1) * sizeof (tree->subtrees[0]));
-  tree->n_subtrees -= 1;
+  _dbus_assert (subtree->parent == NULL ||
+                (i >= 0 && subtree->parent->subtrees[i] == subtree));
 
   subtree->message_function = NULL;
-  
+
+  unregister_function = subtree->unregister_function;
+  user_data = subtree->user_data;
+
+  subtree->unregister_function = NULL;
+  subtree->user_data = NULL;
+
+  /* If we have no subtrees of our own, remove from
+   * our parent (FIXME could also be more aggressive
+   * and remove our parent if it becomes empty)
+   */
+  if (subtree->parent && subtree->n_subtrees == 0)
+    {
+      /* assumes a 0-byte memmove is OK */
+      memmove (&subtree->parent->subtrees[i],
+               &subtree->parent->subtrees[i+1],
+               (subtree->parent->n_subtrees - i - 1) *
+               sizeof (subtree->parent->subtrees[0]));
+      subtree->parent->n_subtrees -= 1;
+
+      subtree->parent = NULL;
+
+      _dbus_object_subtree_unref (subtree);
+    }
+  subtree = NULL;
+
+  connection = tree->connection;
+
   /* Unlock and call application code */
 #ifdef DBUS_BUILD_TESTS
-  if (tree->connection)
+  if (connection)
 #endif
-    _dbus_connection_unlock (tree->connection);
-  
+    {
+      _dbus_connection_ref_unlocked (connection);
+      _dbus_connection_unlock (connection);
+    }
+
+  if (unregister_function)
+    (* unregister_function) (connection, user_data);
+
+#ifdef DBUS_BUILD_TESTS
+  if (connection)
+#endif
+    dbus_connection_unref (connection);
+}
+
+static void
+free_subtree_recurse (DBusConnection    *connection,
+                      DBusObjectSubtree *subtree)
+{
+  /* Delete them from the end, for slightly
+   * more robustness against odd reentrancy.
+   */
+  while (subtree->n_subtrees > 0)
+    {
+      DBusObjectSubtree *child;
+
+      child = subtree->subtrees[subtree->n_subtrees - 1];
+      subtree->subtrees[subtree->n_subtrees - 1] = NULL;
+      subtree->n_subtrees -= 1;
+      child->parent = NULL;
+
+      free_subtree_recurse (connection, child);
+    }
+
+  /* Call application code */
   if (subtree->unregister_function)
     {
-      (* subtree->unregister_function) (tree->connection,
-                                        (const char**) subtree->path,
+      (* subtree->unregister_function) (connection,
                                         subtree->user_data);
+      subtree->message_function = NULL;
       subtree->unregister_function = NULL;
+      subtree->user_data = NULL;
     }
 
+  /* Now free ourselves */
   _dbus_object_subtree_unref (subtree);
 }
 
@@ -441,37 +490,15 @@ _dbus_object_tree_unregister_and_unlock (DBusObjectTree          *tree,
  * Free all the handlers in the tree. Lock on tree's connection
  * must not be held.
  *
- * @todo implement
- * 
  * @param tree the object tree
  */
 void
 _dbus_object_tree_free_all_unlocked (DBusObjectTree *tree)
 {
-  /* Delete them from the end, for slightly
-   * more robustness against odd reentrancy.
-   */
-  while (tree->n_subtrees > 0)
-    {
-      DBusObjectSubtree *subtree;
-
-      subtree = tree->subtrees[tree->n_subtrees - 1];
-      tree->subtrees[tree->n_subtrees - 1] = NULL;
-      tree->n_subtrees -= 1;
-
-      subtree->message_function = NULL; /* it's been removed */
-
-      /* Call application code */
-      if (subtree->unregister_function)
-        {
-          (* subtree->unregister_function) (tree->connection,
-                                            (const char**) subtree->path,
-                                            subtree->user_data);
-          subtree->unregister_function = NULL;
-        }
-      
-      _dbus_object_subtree_unref (subtree);      
-    }
+  if (tree->root)
+    free_subtree_recurse (tree->connection,
+                          tree->root);
+  tree->root = NULL;
 }
 
 /**
@@ -482,7 +509,7 @@ _dbus_object_tree_free_all_unlocked (DBusObjectTree *tree)
  * to the handler for /foo/bar before the one for /foo.
  *
  * @todo thread problems
- * 
+ *
  * @param tree the global object tree
  * @param message the message to dispatch
  * @returns whether message was handled successfully
@@ -491,52 +518,82 @@ DBusHandlerResult
 _dbus_object_tree_dispatch_and_unlock (DBusObjectTree          *tree,
                                        DBusMessage             *message)
 {
-  const char **path;
-  int i;
+  char **path;
   DBusList *list;
   DBusList *link;
   DBusHandlerResult result;
+  DBusObjectSubtree *subtree;
+
+#if 0
+  _dbus_verbose ("Dispatch of message by object path\n");
+#endif
   
-  path = NULL; /* dbus_message_get_object_path (message); */
+  path = NULL;
+  if (!dbus_message_get_path_decomposed (message, &path))
+    {
+      _dbus_verbose ("No memory to get decomposed path\n");
+      return DBUS_HANDLER_RESULT_NEED_MEMORY;
+    }
 
   if (path == NULL)
-    return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
+    {
+      _dbus_verbose ("No path field in message\n");
+      return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
+    }
 
   /* Find the deepest path that covers the path in the message */
-  if (!find_handler (tree, path, &i))
-    return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
+  subtree = find_handler (tree, (const char**) path);
 
   /* Build a list of all paths that cover the path in the message */
-  
+
   list = NULL;
-  
-  do 
-    {
-      DBusObjectSubtree *subtree;
 
-      subtree = tree->subtrees[i];
+  while (subtree != NULL)
+    {
+      if (subtree->message_function != NULL)
+        {
+          _dbus_object_subtree_ref (subtree);
+
+          /* run deepest paths first */
+          if (!_dbus_list_append (&list, subtree))
+            {
+              result = DBUS_HANDLER_RESULT_NEED_MEMORY;
+              _dbus_object_subtree_unref (subtree);
+              goto free_and_return;
+            }
+        }
 
-      _dbus_object_subtree_ref (subtree);
-      _dbus_list_append (&list, subtree);
+      subtree = subtree->parent;
+    }
 
-      --i;
-      
-    } while (i > 0 && path_contains ((const char**) tree->subtrees[i]->path,
-                                     path));
+  _dbus_verbose ("%d handlers in the path tree for this message\n",
+                 _dbus_list_get_length (&list));
 
   /* Invoke each handler in the list */
-  
+
   result = DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
-  
+
   link = _dbus_list_get_first_link (&list);
   while (link != NULL)
     {
-      DBusObjectSubtree *subtree = link->data;
       DBusList *next = _dbus_list_get_next_link (&list, link);
-      
-      /* message_function is NULL if we're unregistered */
+      subtree = link->data;
+
+      /* message_function is NULL if we're unregistered
+       * due to reentrancy
+       */
       if (subtree->message_function)
         {
+          DBusObjectPathMessageFunction message_function;
+          void *user_data;
+
+          message_function = subtree->message_function;
+          user_data = subtree->user_data;
+
+#if 0
+          _dbus_verbose ("  (invoking a handler)\n");
+#endif
+          
 #ifdef DBUS_BUILD_TESTS
           if (tree->connection)
 #endif
@@ -546,19 +603,20 @@ _dbus_object_tree_dispatch_and_unlock (DBusObjectTree          *tree,
            * before we invoke the callback, and I can't figure out a
            * good way to solve this.
            */
-          
-          result = (* subtree->message_function) (tree->connection,
-                                                  message, subtree->user_data);
-          
-          if (result == DBUS_HANDLER_RESULT_HANDLED)
+
+          result = (* message_function) (tree->connection,
+                                         message,
+                                         user_data);
+
+          if (result != DBUS_HANDLER_RESULT_NOT_YET_HANDLED)
             goto free_and_return;
 
 #ifdef DBUS_BUILD_TESTS
           if (tree->connection)
 #endif
             _dbus_connection_lock (tree->connection);
-        }       
-          
+        }
+
       link = next;
     }
 
@@ -574,82 +632,69 @@ _dbus_object_tree_dispatch_and_unlock (DBusObjectTree          *tree,
       _dbus_object_subtree_unref (link->data);
       _dbus_list_remove_link (&list, link);
     }
-  
+  dbus_free_string_array (path);
+
   return result;
 }
 
 /**
- * Allocates a subtree object with a string array appended as one big
- * memory block, so result is freed with one dbus_free(). Returns
- * #NULL if memory allocation fails.
+ * Allocates a subtree object.
  *
- * @param array array to duplicate.
+ * @param name name to duplicate.
  * @returns newly-allocated subtree
  */
 static DBusObjectSubtree*
-allocate_subtree_object (const char **array)
+allocate_subtree_object (const char *name)
 {
   int len;
-  int member_lens;
-  int i;
-  char *p;
-  void *subtree;
-  char **path_dest;
-  const size_t front_padding = _DBUS_STRUCT_OFFSET (DBusObjectSubtree, path);
-  
-  if (array == NULL)
-    return NULL;
+  DBusObjectSubtree *subtree;
+  const size_t front_padding = _DBUS_STRUCT_OFFSET (DBusObjectSubtree, name);
 
-  member_lens = 0;
-  for (len = 0; array[len] != NULL; ++len)
-    member_lens += strlen (array[len]) + 1;
-  
-  subtree = dbus_malloc (front_padding +
-                         (len + 1) * sizeof (char*) +
-                         member_lens);
-  if (subtree == NULL)
-    return NULL;
+  _dbus_assert (name != NULL);
 
-  path_dest = (char**) (((char*) subtree) + front_padding);
-  
-  path_dest[len] = NULL; /* NULL-terminate the array portion */
-  p = ((char*) subtree) + (len + 1) * sizeof (char*) + front_padding;
-  
-  i = 0;
-  while (i < len)
-    {
-      int this_len;
+  len = strlen (name);
 
-      path_dest[i] = p;
-      
-      this_len = strlen (array[i]);
-      memcpy (p, array[i], this_len + 1);
-      p += this_len + 1;
+  subtree = dbus_malloc (front_padding + (len + 1));
 
-      ++i;
-    }
+  if (subtree == NULL)
+    return NULL;
+
+  memcpy (subtree->name, name, len + 1);
 
   return subtree;
 }
 
 static DBusObjectSubtree*
-_dbus_object_subtree_new (const char                 **path,
+_dbus_object_subtree_new (const char                  *name,
                           const DBusObjectPathVTable  *vtable,
                           void                        *user_data)
 {
   DBusObjectSubtree *subtree;
 
-  subtree = allocate_subtree_object (path);
+  subtree = allocate_subtree_object (name);
   if (subtree == NULL)
     goto oom;
 
-  _dbus_assert (path != NULL);
-  _dbus_assert (path[0] != NULL);
+  _dbus_assert (name != NULL);
+
+  subtree->parent = NULL;
+
+  if (vtable)
+    {
+      subtree->message_function = vtable->message_function;
+      subtree->unregister_function = vtable->unregister_function;
+    }
+  else
+    {
+      subtree->message_function = NULL;
+      subtree->unregister_function = NULL;
+    }
 
-  subtree->message_function = vtable->message_function;
-  subtree->unregister_function = vtable->unregister_function;
   subtree->user_data = user_data;
   subtree->refcount.value = 1;
+  subtree->subtrees = NULL;
+  subtree->n_subtrees = 0;
+  subtree->subtrees_sorted = TRUE;
   
   return subtree;
 
@@ -658,7 +703,7 @@ _dbus_object_subtree_new (const char                 **path,
     {
       dbus_free (subtree);
     }
-  
+
   return NULL;
 }
 
@@ -678,6 +723,8 @@ _dbus_object_subtree_unref (DBusObjectSubtree *subtree)
     {
       _dbus_assert (subtree->unregister_function == NULL);
       _dbus_assert (subtree->message_function == NULL);
+
+      dbus_free (subtree->subtrees);
       dbus_free (subtree);
     }
 }
@@ -694,7 +741,7 @@ flatten_path (const char **path)
   DBusString str;
   int i;
   char *s;
-  
+
   if (!_dbus_string_init (&str))
     return NULL;
 
@@ -703,10 +750,10 @@ flatten_path (const char **path)
     {
       if (!_dbus_string_append_byte (&str, '/'))
         goto nomem;
-      
+
       if (!_dbus_string_append (&str, path[i]))
         goto nomem;
-      
+
       ++i;
     }
 
@@ -714,154 +761,89 @@ flatten_path (const char **path)
     goto nomem;
 
   _dbus_string_free (&str);
-  
+
   return s;
-  
+
  nomem:
   _dbus_string_free (&str);
   return NULL;
 }
 
-static void
-spew_tree (DBusObjectTree *tree)
+/* Returns TRUE if container is a parent of child
+ */
+static dbus_bool_t
+path_contains (const char **container,
+               const char **child)
 {
   int i;
 
-  printf ("Tree of %d subpaths\n",
-          tree->n_subtrees);
-  
   i = 0;
-  while (i < tree->n_subtrees)
+  while (child[i] != NULL)
     {
-      char *s;
-
-      s = flatten_path ((const char **) tree->subtrees[i]->path);
-
-      printf ("  %d path = %s\n", i, s);
-
-      dbus_free (s);
-      
-      ++i;
-    }
-}
-
-static dbus_bool_t
-test_subtree_cmp (const char **path1,
-                  const char **path2,
-                  int          expected,
-                  dbus_bool_t  reverse)
-{
-  DBusObjectSubtree *subtree1;
-  DBusObjectSubtree *subtree2;
-  dbus_bool_t retval;
-  DBusObjectPathVTable vtable;
-
-  _DBUS_ZERO (vtable);
-
-  retval = FALSE;
-  
-  subtree1 = _dbus_object_subtree_new (path1, &vtable, NULL);
-  subtree2 = _dbus_object_subtree_new (path2, &vtable, NULL);
-  if (subtree1 == NULL || subtree2 == NULL)
-    goto out;
+      int v;
 
-  _dbus_assert (subtree_cmp (subtree1, subtree2) == expected);
+      if (container[i] == NULL)
+        return TRUE; /* container ran out, child continues;
+                      * thus the container is a parent of the
+                      * child.
+                      */
 
-  retval = TRUE;
-  
- out:
+      _dbus_assert (container[i] != NULL);
+      _dbus_assert (child[i] != NULL);
 
-  if (subtree1)
-    _dbus_object_subtree_unref (subtree1);
+      v = strcmp (container[i], child[i]);
 
-  if (subtree2)
-    _dbus_object_subtree_unref (subtree2);
+      if (v != 0)
+        return FALSE; /* they overlap until here and then are different,
+                       * not overlapping
+                       */
 
-  if (retval && reverse)
-    {
-      /* Verify that the reverse also holds */
-      if (expected > 0)
-        return test_subtree_cmp (path2, path1, -1, FALSE);
-      else if (expected < 0)
-        return test_subtree_cmp (path2, path1, 1, FALSE);
-      else
-        return test_subtree_cmp (path2, path1, 0, FALSE);
+      ++i;
     }
-  
-  return retval;
+
+  /* Child ran out; if container also did, they are equal;
+   * otherwise, the child is a parent of the container.
+   */
+  if (container[i] == NULL)
+    return TRUE; /* equal is counted as containing */
+  else
+    return FALSE;
 }
 
 static void
-test_path_contains (const char  **path1,
-                    const char  **path2,
-                    dbus_bool_t   expected)
+spew_subtree_recurse (DBusObjectSubtree *subtree,
+                      int                indent)
 {
-  if (!path_contains (path1, path2) == expected)
-    {
-      char *s1, *s2;
-      s1 = flatten_path (path1);
-      s2 = flatten_path (path2);
-      
-      _dbus_warn ("Expected that path %s %s %s\n",
-                  s1, expected ? "contains" : "doesn't contain", s2);
-      
-      dbus_free (s1);
-      dbus_free (s2);
-      
-      exit (1);
-    }
-  
-  if (path_cmp (path1, path2) == 0)
+  int i;
+
+  i = 0;
+  while (i < indent)
     {
-      if (!path_contains (path2, path1))
-        {
-          char *s1, *s2;
-          s1 = flatten_path (path1);
-          s2 = flatten_path (path2);
-          
-          _dbus_warn ("Expected that path %s contains %s since the paths are equal\n",
-                      s1, s2);
-          
-          dbus_free (s1);
-          dbus_free (s2);
-          
-          exit (1);
-        }
+      _dbus_verbose (" ");
+      ++i;
     }
-  /* If path1 contains path2, then path2 can't contain path1 */
-  else if (expected && path_contains (path2, path1))
-    {
-      char *s1, *s2;
 
-      s1 = flatten_path (path1);
-      s2 = flatten_path (path2);
-      
-      _dbus_warn ("Expected that path %s doesn't contain %s\n",
-                  s1, s2);
+  _dbus_verbose ("%s (%d children)\n",
+                 subtree->name, subtree->n_subtrees);
 
-      dbus_free (s1);
-      dbus_free (s2);
-      
-      exit (1);
+  i = 0;
+  while (i < subtree->n_subtrees)
+    {
+      spew_subtree_recurse (subtree->subtrees[i], indent + 2);
+
+      ++i;
     }
 }
 
 static void
-test_path_copy (const char **path)
+spew_tree (DBusObjectTree *tree)
 {
-  DBusObjectSubtree *subtree;
-
-  subtree = allocate_subtree_object (path);
-  if (subtree == NULL)
-    return;
-  
-  _dbus_assert (path_cmp (path, (const char**) subtree->path) == 0);
-
-  dbus_free (subtree);
+  spew_subtree_recurse (tree->root, 0);
 }
 
 typedef struct
 {
+  const char **path;
   dbus_bool_t message_handled;
   dbus_bool_t handler_unregistered;
 
@@ -870,7 +852,6 @@ typedef struct
 
 static void
 test_unregister_function (DBusConnection  *connection,
-                          const char     **path,
                           void            *user_data)
 {
   TreeTestData *ttd = user_data;
@@ -886,7 +867,7 @@ test_message_function (DBusConnection  *connection,
   TreeTestData *ttd = user_data;
 
   ttd->message_handled = TRUE;
-  
+
   return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
 }
 
@@ -901,7 +882,8 @@ do_register (DBusObjectTree *tree,
 
   tree_test_data[i].message_handled = FALSE;
   tree_test_data[i].handler_unregistered = FALSE;
-  
+  tree_test_data[i].path = path;
+
   if (!_dbus_object_tree_register (tree, path,
                                    &vtable,
                                    &tree_test_data[i]))
@@ -911,6 +893,68 @@ do_register (DBusObjectTree *tree,
 }
 
 static dbus_bool_t
+do_test_dispatch (DBusObjectTree *tree,
+                  const char    **path,
+                  int             i,
+                  TreeTestData   *tree_test_data,
+                  int             n_test_data)
+{
+  DBusMessage *message;
+  int j;
+  DBusHandlerResult result;
+  char *flat;
+
+  message = NULL;
+  
+  flat = flatten_path (path);
+  if (flat == NULL)
+    goto oom;
+
+  message = dbus_message_new_method_call (NULL,
+                                          flat,
+                                          "org.freedesktop.TestInterface",
+                                          "Foo");
+  dbus_free (flat);
+  if (message == NULL)
+    goto oom;
+
+  j = 0;
+  while (j < n_test_data)
+    {
+      tree_test_data[j].message_handled = FALSE;
+      ++j;
+    }
+
+  result = _dbus_object_tree_dispatch_and_unlock (tree, message);
+  if (result == DBUS_HANDLER_RESULT_NEED_MEMORY)
+    goto oom;
+
+  _dbus_assert (tree_test_data[i].message_handled);
+
+  j = 0;
+  while (j < n_test_data)
+    {
+      if (tree_test_data[j].message_handled)
+        _dbus_assert (path_contains (tree_test_data[j].path,
+                                     path));
+      else
+        _dbus_assert (!path_contains (tree_test_data[j].path,
+                                      path));
+
+      ++j;
+    }
+
+  dbus_message_unref (message);
+
+  return TRUE;
+
+ oom:
+  if (message)
+    dbus_message_unref (message);
+  return FALSE;
+}
+
+static dbus_bool_t
 object_tree_test_iteration (void *data)
 {
   const char *path1[] = { "foo", NULL };
@@ -919,103 +963,51 @@ object_tree_test_iteration (void *data)
   const char *path4[] = { "foo", "bar", "boo", NULL };
   const char *path5[] = { "blah", NULL };
   const char *path6[] = { "blah", "boof", NULL };
+  const char *path7[] = { "blah", "boof", "this", "is", "really", "long", NULL };
+  const char *path8[] = { "childless", NULL };
   DBusObjectTree *tree;
-  TreeTestData tree_test_data[6];
+  TreeTestData tree_test_data[8];
   int i;
-  
-  test_path_copy (path1);
-  test_path_copy (path2);
-  test_path_copy (path3);
-  test_path_copy (path4);
-  test_path_copy (path5);
-  test_path_copy (path6);
-  
+
   tree = NULL;
 
-  test_path_contains (path1, path1, TRUE);
-  test_path_contains (path1, path2, TRUE);
-  test_path_contains (path1, path3, TRUE);
-  test_path_contains (path1, path4, TRUE);
-  test_path_contains (path1, path5, FALSE);
-  test_path_contains (path1, path6, FALSE); 
-
-  test_path_contains (path2, path1, FALSE);
-  test_path_contains (path2, path2, TRUE);
-  test_path_contains (path2, path3, TRUE);
-  test_path_contains (path2, path4, TRUE);
-  test_path_contains (path2, path5, FALSE);
-  test_path_contains (path2, path6, FALSE);
-
-  test_path_contains (path3, path1, FALSE);
-  test_path_contains (path3, path2, FALSE);
-  test_path_contains (path3, path3, TRUE);
-  test_path_contains (path3, path4, FALSE);
-  test_path_contains (path3, path5, FALSE);
-  test_path_contains (path3, path6, FALSE);
-
-  test_path_contains (path4, path1, FALSE);
-  test_path_contains (path4, path2, FALSE);
-  test_path_contains (path4, path3, FALSE);
-  test_path_contains (path4, path4, TRUE);
-  test_path_contains (path4, path5, FALSE);
-  test_path_contains (path4, path6, FALSE);
-
-  test_path_contains (path5, path1, FALSE);
-  test_path_contains (path5, path2, FALSE);
-  test_path_contains (path5, path3, FALSE);
-  test_path_contains (path5, path4, FALSE);
-  test_path_contains (path5, path5, TRUE);
-  test_path_contains (path5, path6, TRUE);
-  
-  test_path_contains (path6, path1, FALSE);
-  test_path_contains (path6, path2, FALSE);
-  test_path_contains (path6, path3, FALSE);
-  test_path_contains (path6, path4, FALSE);
-  test_path_contains (path6, path5, FALSE);
-  test_path_contains (path6, path6, TRUE);
-  
-  if (!test_subtree_cmp (path1, path1, 0, TRUE))
-    goto out;
-  if (!test_subtree_cmp (path3, path3, 0, TRUE))
-    goto out;
-  /* When testing -1, the reverse also gets tested */
-  if (!test_subtree_cmp (path1, path2, -1, TRUE))
-    goto out;
-  if (!test_subtree_cmp (path1, path3, -1, TRUE))
-    goto out;
-  if (!test_subtree_cmp (path2, path3, -1, TRUE))
-    goto out;
-  if (!test_subtree_cmp (path2, path4, -1, TRUE))
-    goto out;
-  if (!test_subtree_cmp (path3, path4, -1, TRUE))
-    goto out;
-  if (!test_subtree_cmp (path5, path1, -1, TRUE))
-    goto out;
-  
   tree = _dbus_object_tree_new (NULL);
   if (tree == NULL)
     goto out;
-  
+
   if (!do_register (tree, path1, 0, tree_test_data))
     goto out;
-  
+
   _dbus_assert (find_subtree (tree, path1, NULL));
   _dbus_assert (!find_subtree (tree, path2, NULL));
   _dbus_assert (!find_subtree (tree, path3, NULL));
   _dbus_assert (!find_subtree (tree, path4, NULL));
   _dbus_assert (!find_subtree (tree, path5, NULL));
   _dbus_assert (!find_subtree (tree, path6, NULL));
-  
+  _dbus_assert (!find_subtree (tree, path7, NULL));
+  _dbus_assert (!find_subtree (tree, path8, NULL));
+
+  _dbus_assert (find_handler (tree, path1));
+  _dbus_assert (find_handler (tree, path2));
+  _dbus_assert (find_handler (tree, path3));
+  _dbus_assert (find_handler (tree, path4));
+  _dbus_assert (find_handler (tree, path5) == tree->root);
+  _dbus_assert (find_handler (tree, path6) == tree->root);
+  _dbus_assert (find_handler (tree, path7) == tree->root);
+  _dbus_assert (find_handler (tree, path8) == tree->root);
+
   if (!do_register (tree, path2, 1, tree_test_data))
     goto out;
-  
-  _dbus_assert (find_subtree (tree, path1, NULL));  
+
+  _dbus_assert (find_subtree (tree, path1, NULL));
   _dbus_assert (find_subtree (tree, path2, NULL));
   _dbus_assert (!find_subtree (tree, path3, NULL));
   _dbus_assert (!find_subtree (tree, path4, NULL));
   _dbus_assert (!find_subtree (tree, path5, NULL));
   _dbus_assert (!find_subtree (tree, path6, NULL));
-  
+  _dbus_assert (!find_subtree (tree, path7, NULL));
+  _dbus_assert (!find_subtree (tree, path8, NULL));
+
   if (!do_register (tree, path3, 2, tree_test_data))
     goto out;
 
@@ -1025,17 +1017,20 @@ object_tree_test_iteration (void *data)
   _dbus_assert (!find_subtree (tree, path4, NULL));
   _dbus_assert (!find_subtree (tree, path5, NULL));
   _dbus_assert (!find_subtree (tree, path6, NULL));
+  _dbus_assert (!find_subtree (tree, path7, NULL));
+  _dbus_assert (!find_subtree (tree, path8, NULL));
   
   if (!do_register (tree, path4, 3, tree_test_data))
     goto out;
 
-
   _dbus_assert (find_subtree (tree, path1, NULL));
   _dbus_assert (find_subtree (tree, path2, NULL));
-  _dbus_assert (find_subtree (tree, path3, NULL));
+  _dbus_assert (find_subtree (tree, path3, NULL));  
   _dbus_assert (find_subtree (tree, path4, NULL));
   _dbus_assert (!find_subtree (tree, path5, NULL));
   _dbus_assert (!find_subtree (tree, path6, NULL));
+  _dbus_assert (!find_subtree (tree, path7, NULL));
+  _dbus_assert (!find_subtree (tree, path8, NULL));
   
   if (!do_register (tree, path5, 4, tree_test_data))
     goto out;
@@ -1046,7 +1041,18 @@ object_tree_test_iteration (void *data)
   _dbus_assert (find_subtree (tree, path4, NULL));
   _dbus_assert (find_subtree (tree, path5, NULL));
   _dbus_assert (!find_subtree (tree, path6, NULL));
+  _dbus_assert (!find_subtree (tree, path7, NULL));
+  _dbus_assert (!find_subtree (tree, path8, NULL));
   
+  _dbus_assert (find_handler (tree, path1) != tree->root);
+  _dbus_assert (find_handler (tree, path2) != tree->root);
+  _dbus_assert (find_handler (tree, path3) != tree->root);
+  _dbus_assert (find_handler (tree, path4) != tree->root);
+  _dbus_assert (find_handler (tree, path5) != tree->root);
+  _dbus_assert (find_handler (tree, path6) != tree->root);
+  _dbus_assert (find_handler (tree, path7) != tree->root);
+  _dbus_assert (find_handler (tree, path8) == tree->root);
+
   if (!do_register (tree, path6, 5, tree_test_data))
     goto out;
 
@@ -1056,7 +1062,42 @@ object_tree_test_iteration (void *data)
   _dbus_assert (find_subtree (tree, path4, NULL));
   _dbus_assert (find_subtree (tree, path5, NULL));
   _dbus_assert (find_subtree (tree, path6, NULL));
+  _dbus_assert (!find_subtree (tree, path7, NULL));
+  _dbus_assert (!find_subtree (tree, path8, NULL));
+
+  if (!do_register (tree, path7, 6, tree_test_data))
+    goto out;
 
+  _dbus_assert (find_subtree (tree, path1, NULL));
+  _dbus_assert (find_subtree (tree, path2, NULL));
+  _dbus_assert (find_subtree (tree, path3, NULL));
+  _dbus_assert (find_subtree (tree, path4, NULL));
+  _dbus_assert (find_subtree (tree, path5, NULL));
+  _dbus_assert (find_subtree (tree, path6, NULL));
+  _dbus_assert (find_subtree (tree, path7, NULL));
+  _dbus_assert (!find_subtree (tree, path8, NULL));
+
+  if (!do_register (tree, path8, 7, tree_test_data))
+    goto out;
+
+  _dbus_assert (find_subtree (tree, path1, NULL));
+  _dbus_assert (find_subtree (tree, path2, NULL));
+  _dbus_assert (find_subtree (tree, path3, NULL));
+  _dbus_assert (find_subtree (tree, path4, NULL));
+  _dbus_assert (find_subtree (tree, path5, NULL));
+  _dbus_assert (find_subtree (tree, path6, NULL));
+  _dbus_assert (find_subtree (tree, path7, NULL));
+  _dbus_assert (find_subtree (tree, path8, NULL));
+  
+  _dbus_assert (find_handler (tree, path1) != tree->root);
+  _dbus_assert (find_handler (tree, path2) != tree->root);
+  _dbus_assert (find_handler (tree, path3) != tree->root);
+  _dbus_assert (find_handler (tree, path4) != tree->root);
+  _dbus_assert (find_handler (tree, path5) != tree->root);
+  _dbus_assert (find_handler (tree, path6) != tree->root);
+  _dbus_assert (find_handler (tree, path7) != tree->root);
+  _dbus_assert (find_handler (tree, path8) != tree->root);
+  
   /* Check that destroying tree calls unregister funcs */
   _dbus_object_tree_unref (tree);
 
@@ -1072,7 +1113,7 @@ object_tree_test_iteration (void *data)
   tree = _dbus_object_tree_new (NULL);
   if (tree == NULL)
     goto out;
-  
+
   if (!do_register (tree, path1, 0, tree_test_data))
     goto out;
   if (!do_register (tree, path2, 1, tree_test_data))
@@ -1085,7 +1126,11 @@ object_tree_test_iteration (void *data)
     goto out;
   if (!do_register (tree, path6, 5, tree_test_data))
     goto out;
-
+  if (!do_register (tree, path7, 6, tree_test_data))
+    goto out;
+  if (!do_register (tree, path8, 7, tree_test_data))
+    goto out;
+  
   _dbus_object_tree_unregister_and_unlock (tree, path1);
 
   _dbus_assert (!find_subtree (tree, path1, NULL));
@@ -1094,7 +1139,9 @@ object_tree_test_iteration (void *data)
   _dbus_assert (find_subtree (tree, path4, NULL));
   _dbus_assert (find_subtree (tree, path5, NULL));
   _dbus_assert (find_subtree (tree, path6, NULL));
-  
+  _dbus_assert (find_subtree (tree, path7, NULL));
+  _dbus_assert (find_subtree (tree, path8, NULL));
+
   _dbus_object_tree_unregister_and_unlock (tree, path2);
 
   _dbus_assert (!find_subtree (tree, path1, NULL));
@@ -1103,7 +1150,9 @@ object_tree_test_iteration (void *data)
   _dbus_assert (find_subtree (tree, path4, NULL));
   _dbus_assert (find_subtree (tree, path5, NULL));
   _dbus_assert (find_subtree (tree, path6, NULL));
-
+  _dbus_assert (find_subtree (tree, path7, NULL));
+  _dbus_assert (find_subtree (tree, path8, NULL));
+  
   _dbus_object_tree_unregister_and_unlock (tree, path3);
 
   _dbus_assert (!find_subtree (tree, path1, NULL));
@@ -1112,6 +1161,8 @@ object_tree_test_iteration (void *data)
   _dbus_assert (find_subtree (tree, path4, NULL));
   _dbus_assert (find_subtree (tree, path5, NULL));
   _dbus_assert (find_subtree (tree, path6, NULL));
+  _dbus_assert (find_subtree (tree, path7, NULL));
+  _dbus_assert (find_subtree (tree, path8, NULL));
   
   _dbus_object_tree_unregister_and_unlock (tree, path4);
 
@@ -1121,6 +1172,8 @@ object_tree_test_iteration (void *data)
   _dbus_assert (!find_subtree (tree, path4, NULL));
   _dbus_assert (find_subtree (tree, path5, NULL));
   _dbus_assert (find_subtree (tree, path6, NULL));
+  _dbus_assert (find_subtree (tree, path7, NULL));
+  _dbus_assert (find_subtree (tree, path8, NULL));
   
   _dbus_object_tree_unregister_and_unlock (tree, path5);
 
@@ -1130,6 +1183,8 @@ object_tree_test_iteration (void *data)
   _dbus_assert (!find_subtree (tree, path4, NULL));
   _dbus_assert (!find_subtree (tree, path5, NULL));
   _dbus_assert (find_subtree (tree, path6, NULL));
+  _dbus_assert (find_subtree (tree, path7, NULL));
+  _dbus_assert (find_subtree (tree, path8, NULL));
   
   _dbus_object_tree_unregister_and_unlock (tree, path6);
 
@@ -1139,6 +1194,30 @@ object_tree_test_iteration (void *data)
   _dbus_assert (!find_subtree (tree, path4, NULL));
   _dbus_assert (!find_subtree (tree, path5, NULL));
   _dbus_assert (!find_subtree (tree, path6, NULL));
+  _dbus_assert (find_subtree (tree, path7, NULL));
+  _dbus_assert (find_subtree (tree, path8, NULL));
+
+  _dbus_object_tree_unregister_and_unlock (tree, path7);
+
+  _dbus_assert (!find_subtree (tree, path1, NULL));
+  _dbus_assert (!find_subtree (tree, path2, NULL));
+  _dbus_assert (!find_subtree (tree, path3, NULL));
+  _dbus_assert (!find_subtree (tree, path4, NULL));
+  _dbus_assert (!find_subtree (tree, path5, NULL));
+  _dbus_assert (!find_subtree (tree, path6, NULL));
+  _dbus_assert (!find_subtree (tree, path7, NULL));
+  _dbus_assert (find_subtree (tree, path8, NULL));
+
+  _dbus_object_tree_unregister_and_unlock (tree, path8);
+
+  _dbus_assert (!find_subtree (tree, path1, NULL));
+  _dbus_assert (!find_subtree (tree, path2, NULL));
+  _dbus_assert (!find_subtree (tree, path3, NULL));
+  _dbus_assert (!find_subtree (tree, path4, NULL));
+  _dbus_assert (!find_subtree (tree, path5, NULL));
+  _dbus_assert (!find_subtree (tree, path6, NULL));
+  _dbus_assert (!find_subtree (tree, path7, NULL));
+  _dbus_assert (!find_subtree (tree, path8, NULL));
   
   i = 0;
   while (i < (int) _DBUS_N_ELEMENTS (tree_test_data))
@@ -1149,7 +1228,7 @@ object_tree_test_iteration (void *data)
     }
 
   /* Register it all again, and test dispatch */
-  
+
   if (!do_register (tree, path1, 0, tree_test_data))
     goto out;
   if (!do_register (tree, path2, 1, tree_test_data))
@@ -1162,13 +1241,36 @@ object_tree_test_iteration (void *data)
     goto out;
   if (!do_register (tree, path6, 5, tree_test_data))
     goto out;
+  if (!do_register (tree, path7, 6, tree_test_data))
+    goto out;
+  if (!do_register (tree, path8, 7, tree_test_data))
+    goto out;
+
+#if 0
+  spew_tree (tree);
+#endif
   
-  /* FIXME (once messages have an object path field) */
+  if (!do_test_dispatch (tree, path1, 0, tree_test_data, _DBUS_N_ELEMENTS (tree_test_data)))
+    goto out;
+  if (!do_test_dispatch (tree, path2, 1, tree_test_data, _DBUS_N_ELEMENTS (tree_test_data)))
+    goto out;
+  if (!do_test_dispatch (tree, path3, 2, tree_test_data, _DBUS_N_ELEMENTS (tree_test_data)))
+    goto out;
+  if (!do_test_dispatch (tree, path4, 3, tree_test_data, _DBUS_N_ELEMENTS (tree_test_data)))
+    goto out;
+  if (!do_test_dispatch (tree, path5, 4, tree_test_data, _DBUS_N_ELEMENTS (tree_test_data)))
+    goto out;
+  if (!do_test_dispatch (tree, path6, 5, tree_test_data, _DBUS_N_ELEMENTS (tree_test_data)))
+    goto out;
+  if (!do_test_dispatch (tree, path7, 6, tree_test_data, _DBUS_N_ELEMENTS (tree_test_data)))
+    goto out;
+  if (!do_test_dispatch (tree, path8, 7, tree_test_data, _DBUS_N_ELEMENTS (tree_test_data)))
+    goto out;
   
  out:
   if (tree)
     _dbus_object_tree_unref (tree);
-  
+
   return TRUE;
 }
 
@@ -1183,7 +1285,7 @@ _dbus_object_tree_test (void)
   _dbus_test_oom_handling ("object tree",
                            object_tree_test_iteration,
                            NULL);
-  
+
   return TRUE;
 }
 
index a23d746..e56ab75 100644 (file)
@@ -71,17 +71,22 @@ extern "C" {
 #define DBUS_HEADER_FLAG_NO_REPLY_EXPECTED 0x1
   
 /* Header fields */
-#define DBUS_HEADER_FIELD_INTERFACE  "ifce"
-#define DBUS_HEADER_FIELD_MEMBER     "mebr"
-#define DBUS_HEADER_FIELD_ERROR_NAME "ernm"
-#define DBUS_HEADER_FIELD_SERVICE    "srvc"
-#define DBUS_HEADER_FIELD_REPLY             "rply"
-#define DBUS_HEADER_FIELD_SENDER     "sndr"
+#define DBUS_HEADER_FIELD_PATH           "path"
+#define DBUS_HEADER_FIELD_INTERFACE      "ifce"
+#define DBUS_HEADER_FIELD_MEMBER         "mebr"
+#define DBUS_HEADER_FIELD_ERROR_NAME     "ernm"
+#define DBUS_HEADER_FIELD_SERVICE        "srvc"
+#define DBUS_HEADER_FIELD_REPLY                 "rply"
+#define DBUS_HEADER_FIELD_SENDER_SERVICE "sdrs"
 
 /* Services */
 #define DBUS_SERVICE_ORG_FREEDESKTOP_DBUS      "org.freedesktop.DBus"
 #define DBUS_SERVICE_ORG_FREEDESKTOP_BROADCAST "org.freedesktop.Broadcast"
 
+/* Paths */
+#define DBUS_PATH_ORG_FREEDESKTOP_DBUS  "/org/freedesktop/DBus"
+#define DBUS_PATH_ORG_FREEDESKTOP_LOCAL "/org/freedesktop/Local"
+  
 /* Service owner flags */
 #define DBUS_SERVICE_FLAG_PROHIBIT_REPLACEMENT 0x1
 #define DBUS_SERVICE_FLAG_REPLACE_EXISTING     0x2
index 75b38b9..54dbdb7 100644 (file)
@@ -2846,6 +2846,74 @@ _dbus_string_validate_nul (const DBusString *str,
 }
 
 /**
+ * Checks that the given range of the string is a valid object path
+ * name in the D-BUS protocol. This includes a length restriction,
+ * etc., see the specification. It does not validate UTF-8, that has
+ * to be done separately for now.
+ *
+ * @todo this is inconsistent with most of DBusString in that
+ * it allows a start,len range that isn't in the string.
+ *
+ * @todo change spec to disallow more things, such as spaces in the
+ * path name
+ * 
+ * @param str the string
+ * @param start first byte index to check
+ * @param len number of bytes to check
+ * @returns #TRUE if the byte range exists and is a valid name
+ */
+dbus_bool_t
+_dbus_string_validate_path (const DBusString  *str,
+                            int                start,
+                            int                len)
+{
+  const unsigned char *s;
+  const unsigned char *end;
+  const unsigned char *last_slash;
+  
+  DBUS_CONST_STRING_PREAMBLE (str);
+  _dbus_assert (start >= 0);
+  _dbus_assert (len >= 0);
+  _dbus_assert (start <= real->len);
+  
+  if (len > real->len - start)
+    return FALSE;
+
+  if (len > DBUS_MAXIMUM_NAME_LENGTH)
+    return FALSE;
+
+  if (len == 0)
+    return FALSE;
+
+  s = real->str + start;
+  end = s + len;
+
+  if (*s != '/')
+    return FALSE;
+  last_slash = s;
+  ++s;
+  
+  while (s != end)
+    {
+      if (*s == '/')
+        {
+          if ((s - last_slash) < 2)
+            return FALSE; /* no empty path components allowed */
+
+          last_slash = s;
+        }
+      
+      ++s;
+    }
+
+  if ((end - last_slash) < 2 &&
+      len > 1)
+    return FALSE; /* trailing slash not allowed unless the string is "/" */
+  
+  return TRUE;
+}
+
+/**
  * Checks that the given range of the string is a valid interface name
  * in the D-BUS protocol. This includes a length restriction, etc.,
  * see the specification. It does not validate UTF-8, that has to be
@@ -3251,6 +3319,24 @@ _dbus_string_test (void)
   int lens[] = { 0, 1, 2, 3, 4, 5, 10, 16, 17, 18, 25, 31, 32, 33, 34, 35, 63, 64, 65, 66, 67, 68, 69, 70, 71, 127, 128, 129, 130, 131, 132, 133, 134, 135, 136 };
   char *s;
   dbus_unichar_t ch;
+  const char *valid_paths[] = {
+    "/",
+    "/foo/bar",
+    "/foo",
+    "/foo/bar/baz"
+  };
+  const char *invalid_paths[] = {
+    "bar",
+    "bar/baz",
+    "/foo/bar/",
+    "/foo/"
+    "foo/",
+    "boo//blah",
+    "//",
+    "///",
+    "foo///blah/",
+    "Hello World"
+  };
   
   i = 0;
   while (i < _DBUS_N_ELEMENTS (lens))
@@ -3625,7 +3711,38 @@ _dbus_string_test (void)
   /* Base 64 and Hex encoding */
   test_roundtrips (test_base64_roundtrip);
   test_roundtrips (test_hex_roundtrip);
-  
+
+  /* Path validation */
+  i = 0;
+  while (i < (int) _DBUS_N_ELEMENTS (valid_paths))
+    {
+      _dbus_string_init_const (&str, valid_paths[i]);
+
+      if (!_dbus_string_validate_path (&str, 0,
+                                       _dbus_string_get_length (&str)))
+        {
+          _dbus_warn ("Path \"%s\" should have been valid\n", valid_paths[i]);
+          _dbus_assert_not_reached ("invalid path");
+        }
+      
+      ++i;
+    }
+
+  i = 0;
+  while (i < (int) _DBUS_N_ELEMENTS (invalid_paths))
+    {
+      _dbus_string_init_const (&str, invalid_paths[i]);
+      
+      if (_dbus_string_validate_path (&str, 0,
+                                      _dbus_string_get_length (&str)))
+        {
+          _dbus_warn ("Path \"%s\" should have been invalid\n", invalid_paths[i]);
+          _dbus_assert_not_reached ("valid path");
+        }
+      
+      ++i;
+    }
+         
   return TRUE;
 }
 
index 6f164be..761ad48 100644 (file)
@@ -223,6 +223,9 @@ dbus_bool_t   _dbus_string_validate_utf8         (const DBusString  *str,
 dbus_bool_t   _dbus_string_validate_nul          (const DBusString  *str,
                                                   int                start,
                                                   int                len);
+dbus_bool_t   _dbus_string_validate_path         (const DBusString  *str,
+                                                  int                start,
+                                                  int                len);
 dbus_bool_t   _dbus_string_validate_interface    (const DBusString  *str,
                                                   int                start,
                                                   int                len);
index 259244c..774a313 100644 (file)
@@ -81,7 +81,7 @@ dbus_internal_do_not_use_run_tests (const char *test_data_dir)
     die ("strings");
 
   check_memleaks ();
-
+  
   printf ("%s: running sysdeps tests\n", "dbus-test");
   if (!_dbus_sysdeps_test ())
     die ("sysdeps");
index 4cd4eeb..26e85a3 100644 (file)
--- a/doc/TODO
+++ b/doc/TODO
@@ -76,3 +76,6 @@
    really see how to do this without making the user pass around the
    call serial to all method calls all the time, or disallowing 
    async calls.
+
+ - the invalid messages in the test suite are all useless because 
+   they are invalid for the wrong reasons due to protocol changes
index c1a1f6d..d64e95a 100644 (file)
@@ -197,12 +197,6 @@ method_info_get_args (MethodInfo *info)
   return info->args;
 }
 
-MethodStyle
-method_info_get_style (MethodInfo *info)
-{
-  return info->style;
-}
-
 void
 method_info_add_arg (MethodInfo    *info,
                      ArgInfo       *arg)
index 812e186..68649cf 100644 (file)
@@ -56,7 +56,6 @@ void           method_info_unref          (MethodInfo    *info);
 
 const char*    method_info_get_name       (MethodInfo    *info);
 GSList*        method_info_get_args       (MethodInfo    *info);
-MethodStyle    method_info_get_style      (MethodInfo    *info);
 void           method_info_add_arg        (MethodInfo    *info,
                                            ArgInfo       *arg);
 
index 6b05707..beda0a7 100644 (file)
@@ -30,9 +30,10 @@ main (int argc, char **argv)
 
   dbus_connection_setup_with_g_main (connection, NULL);
 
-  message = dbus_message_new_method_call (DBUS_INTERFACE_ORG_FREEDESKTOP_DBUS,
-                                          "Hello",
-                                          DBUS_SERVICE_ORG_FREEDESKTOP_DBUS);
+  message = dbus_message_new_method_call (DBUS_SERVICE_ORG_FREEDESKTOP_DBUS,
+                                          DBUS_PATH_ORG_FREEDESKTOP_DBUS,
+                                          DBUS_INTERFACE_ORG_FREEDESKTOP_DBUS,
+                                          "Hello");
 
   dbus_error_init (&error);
   reply = dbus_connection_send_with_reply_and_block (connection, message, -1, &error);
index bd04dd9..3eac161 100644 (file)
@@ -34,7 +34,8 @@
 #define N_CLIENT_THREADS 1
 #define N_ITERATIONS 1000
 #define PAYLOAD_SIZE 30
-#define ECHO_INTERFACE "org.freedekstop.EchoTest"
+#define ECHO_PATH "/org/freedesktop/EchoTest"
+#define ECHO_INTERFACE "org.freedesktop.EchoTest"
 #define ECHO_METHOD "EchoProfile"
 
 static const char *address;
@@ -45,7 +46,8 @@ send_echo_message (DBusConnection *connection)
 {
   DBusMessage *message;
 
-  message = dbus_message_new_method_call (ECHO_INTERFACE, ECHO_METHOD, NULL);
+  message = dbus_message_new_method_call (NULL, ECHO_PATH,
+                                          ECHO_INTERFACE, ECHO_METHOD);
   dbus_message_append_args (message,
                             DBUS_TYPE_STRING, "Hello World!",
                             DBUS_TYPE_INT32, 123456,
index 8a1e44c..d51d4e6 100644 (file)
@@ -19,8 +19,10 @@ thread_func (gpointer data)
 
   while (1)
     {
-      message = dbus_message_new_method_call ("org.freedesktop.ThreadTest",
-                                              "TestMethod", NULL);
+      message = dbus_message_new_method_call (NULL,
+                                              "/org/freedesktop/ThreadTest",
+                                              "org.freedesktop.ThreadTest",
+                                              "TestMethod");
 
       dbus_message_append_iter_init (message, &iter);
 
index 3d1b2f5..10a7984 100644 (file)
@@ -5,9 +5,9 @@
        policy so that a particular user can own a service, and other 
        connections can get messages from it -->
 
-  <!-- Only fooserviceuser can own the FooService service, and 
+  <!-- Only root can own the FooService service, and 
        this user can only send the one kind of message -->
-  <policy user="fooserviceuser">
+  <policy user="root">
     <allow own="org.foo.FooService"/>
     <allow send_interface="org.foo.FooBroadcastInterface"/>
   </policy>
index 4fea3d2..692eca0 100644 (file)
@@ -1,12 +1,7 @@
 # Message with an array of array of uint32
 
 VALID_HEADER method_call
-FIELD_NAME ifce
-TYPE STRING
-STRING 'org.freedesktop.Foo'
-FIELD_NAME mebr
-TYPE STRING
-STRING 'Bar'
+REQUIRED_FIELDS
 END_LENGTH Header
 ALIGN 8
 START_LENGTH Body
index 9450ef1..6986d43 100644 (file)
@@ -1,12 +1,7 @@
 # A simple dict
 
 VALID_HEADER method_call
-FIELD_NAME ifce
-TYPE STRING
-STRING 'org.freedesktop.Foo'
-FIELD_NAME mebr
-TYPE STRING
-STRING 'Bar'
+REQUIRED_FIELDS
 END_LENGTH Header
 ALIGN 8
 START_LENGTH Body
index 6b15c62..0f997b1 100644 (file)
@@ -1,12 +1,7 @@
 # Dict with different values
 
 VALID_HEADER method_call
-FIELD_NAME ifce
-TYPE STRING
-STRING 'org.freedesktop.Foo'
-FIELD_NAME mebr
-TYPE STRING
-STRING 'Bar'
+REQUIRED_FIELDS
 ALIGN 8
 END_LENGTH Header
 START_LENGTH Body
index edc7a6c..dbf531c 100644 (file)
@@ -1,12 +1,7 @@
 # Empty arrays and strings
 
 VALID_HEADER method_call
-FIELD_NAME ifce
-TYPE STRING
-STRING 'org.freedesktop.Foo'
-FIELD_NAME mebr
-TYPE STRING
-STRING 'Bar'
+REQUIRED_FIELDS
 END_LENGTH Header
 ALIGN 8
 START_LENGTH Body
index 36cad4c..993755a 100644 (file)
@@ -1,12 +1,7 @@
 # Message with lots of different argument types
 
 VALID_HEADER method_call
-FIELD_NAME ifce
-TYPE STRING
-STRING 'org.freedesktop.Foo'
-FIELD_NAME mebr
-TYPE STRING
-STRING 'Bar'
+REQUIRED_FIELDS
 END_LENGTH Header
 ALIGN 8
 START_LENGTH Body
index 0241c36..e6d27d9 100644 (file)
@@ -3,12 +3,7 @@
 ## VALID_HEADER includes a LENGTH Header and LENGTH Body
 VALID_HEADER method_call
 
-FIELD_NAME ifce
-TYPE STRING
-STRING 'org.freedesktop.Foo'
-FIELD_NAME mebr
-TYPE STRING
-STRING 'Bar'
+REQUIRED_FIELDS
 
 ## this byte array is filled with zeros to the natural length 
 ## of the header
index b225f01..c638b7b 100644 (file)
@@ -5,12 +5,7 @@ OPPOSITE_ENDIAN
 ## VALID_HEADER includes a LENGTH Header and LENGTH Body
 VALID_HEADER method_call
 
-FIELD_NAME ifce
-TYPE STRING
-STRING 'org.freedesktop.Foo'
-FIELD_NAME mebr
-TYPE STRING
-STRING 'Bar'
+REQUIRED_FIELDS
 
 FIELD_NAME unkn
 TYPE INT32
index a8ef044..192fd9b 100644 (file)
@@ -3,12 +3,7 @@
 ## VALID_HEADER includes a LENGTH Header and LENGTH Body
 VALID_HEADER method_call
 
-FIELD_NAME ifce
-TYPE STRING
-STRING 'org.freedesktop.Foo'
-FIELD_NAME mebr
-TYPE STRING
-STRING 'Bar'
+REQUIRED_FIELDS
 
 END_LENGTH Header
 START_LENGTH Body
index 533c117..9779234 100644 (file)
@@ -11,6 +11,9 @@ LENGTH Body
 ## client serial
 INT32 7
 
+FIELD_NAME path
+TYPE OBJECT_PATH
+OBJECT_PATH '/foo'
 FIELD_NAME ifce
 TYPE STRING
 STRING 'org.freedesktop.Foo'
index 868d270..b9ddaf6 100644 (file)
@@ -2,13 +2,7 @@
 
 ## VALID_HEADER includes a LENGTH Header and LENGTH Body
 VALID_HEADER method_call
-
-FIELD_NAME ifce
-TYPE STRING
-STRING 'org.freedesktop.Foo'
-FIELD_NAME mebr
-TYPE STRING
-STRING 'Bar'
+REQUIRED_FIELDS
 
 ALIGN 8
 END_LENGTH Header
index 081473f..f313061 100644 (file)
@@ -1,6 +1,9 @@
 # Standard org.freedesktop.DBus.AcquireService message
 
 VALID_HEADER method_call
+FIELD_NAME path
+TYPE OBJECT_PATH
+OBJECT_PATH '/org/freedesktop/DBus'
 FIELD_NAME ifce
 TYPE STRING
 STRING 'org.freedesktop.DBus'
index ed9ff9e..795ede7 100644 (file)
@@ -1,6 +1,9 @@
 # Standard org.freedesktop.DBus.Hello message
 
 VALID_HEADER method_call
+FIELD_NAME path
+TYPE OBJECT_PATH
+OBJECT_PATH '/org/freedesktop/DBus'
 FIELD_NAME ifce
 TYPE STRING
 STRING 'org.freedesktop.DBus'
index 9a6f1d8..4c9c7c6 100644 (file)
@@ -1,6 +1,9 @@
 # Standard org.freedesktop.DBus.ListServices message
 
 VALID_HEADER method_call
+FIELD_NAME path
+TYPE OBJECT_PATH
+OBJECT_PATH '/org/freedesktop/DBus'
 FIELD_NAME ifce
 TYPE STRING
 STRING 'org.freedesktop.DBus'
index c53319b..ce14811 100644 (file)
@@ -1,6 +1,9 @@
 # Standard org.freedesktop.DBus.ServiceExists message
 
 VALID_HEADER method_call
+FIELD_NAME path
+TYPE OBJECT_PATH
+OBJECT_PATH '/org/freedesktop/DBus'
 FIELD_NAME ifce
 TYPE STRING
 STRING 'org.freedesktop.DBus'
index 17ae116..5d95f81 100644 (file)
@@ -2,12 +2,7 @@
 
 ## VALID_HEADER includes a LENGTH Header and LENGTH Body
 VALID_HEADER method_call
-FIELD_NAME ifce
-TYPE STRING
-STRING 'org.freedesktop.Foo'
-FIELD_NAME mebr
-TYPE STRING
-STRING 'Bar'
+REQUIRED_FIELDS
 FIELD_NAME unkn
 TYPE INT32
 INT32 0xfeeb
index 978ee2e..725507c 100644 (file)
@@ -8,7 +8,8 @@ dbus-send \- Send a message to a message bus
 .SH SYNOPSIS
 .PP
 .B dbus-send
-[\-\-system | \-\-session] [\-\-dest=SERVICE] [\-\-print-reply] [\-\-type=TYPE] <message name> [contents ...]
+[\-\-system | \-\-session] [\-\-dest=SERVICE] [\-\-print-reply]
+[\-\-type=TYPE] <destination object path> <message name> [contents ...]
 
 .SH DESCRIPTION
 
@@ -28,21 +29,22 @@ specified, \fIdbus-send\fP sends to the session bus.
 Nearly all uses of \fIdbus-send\fP must provide the \-\-dest argument
 which is the name of a service on the bus to send the message to. If
 \-\-dest is omitted, a default service name of
-"org.freedesktop.DBus.Broadcast" is used.  
+"org.freedesktop.Broadcast" is used.  
 
 .PP
-The name of the message to send must always be specified. Following
-arguments, if any, are the message contents (message arguments).
-These are given as a type name, a colon, and then the value of the
-argument. The possible type names are: string, int32, uint32, double,
-byte, boolean.  (D-BUS supports more types than these, but
-\fIdbus-send\fP currently does not.)
+The object path and the name of the message to send must always be
+specified. Following arguments, if any, are the message contents
+(message arguments).  These are given as a type name, a colon, and
+then the value of the argument. The possible type names are: string,
+int32, uint32, double, byte, boolean.  (D-BUS supports more types than
+these, but \fIdbus-send\fP currently does not.)
 
 .PP
 Here is an example invocation:
 .nf
 
   dbus-send \-\-dest='org.freedesktop.ExampleService'        \\
+            /org/freedesktop/sample/object/name              \\
             org.freedesktop.ExampleInterface.ExampleMethod   \\
             int32:47 string:'hello world' double:65.32
 
index 7ea49aa..67abe06 100644 (file)
@@ -30,7 +30,7 @@
 static void
 usage (char *name, int ecode)
 {
-  fprintf (stderr, "Usage: %s [--help] [--system | --session] [--dest=SERVICE] [--type=TYPE] [--print-reply] <message name> [contents ...]\n", name);
+  fprintf (stderr, "Usage: %s [--help] [--system | --session] [--dest=SERVICE] [--type=TYPE] [--print-reply] <destination object path> <message name> [contents ...]\n", name);
   exit (ecode);
 }
 
@@ -45,11 +45,12 @@ main (int argc, char *argv[])
   int i;
   DBusBusType type = DBUS_BUS_SESSION;
   const char *dest = DBUS_SERVICE_ORG_FREEDESKTOP_BROADCAST;
-  char *name = NULL;
+  const char *name = NULL;
+  const char *path = NULL;
   int message_type = DBUS_MESSAGE_TYPE_SIGNAL;
   const char *type_str = NULL;
   
-  if (argc < 2)
+  if (argc < 3)
     usage (argv[0], 1);
 
   print_reply = FALSE;
@@ -72,8 +73,12 @@ main (int argc, char *argv[])
        usage (argv[0], 0);
       else if (arg[0] == '-')
        usage (argv[0], 1);
+      else if (path == NULL)
+        path = arg;
+      else if (name == NULL)
+        name = arg;
       else
-       name = arg;
+        usage (argv[0], 1);
     }
 
   if (name == NULL)
@@ -117,9 +122,10 @@ main (int argc, char *argv[])
         }
       *last_dot = '\0';
       
-      message = dbus_message_new_method_call (name,
-                                              last_dot + 1,
-                                              NULL);
+      message = dbus_message_new_method_call (NULL,
+                                              path,
+                                              name,
+                                              last_dot + 1);
     }
   else if (message_type == DBUS_MESSAGE_TYPE_SIGNAL)
     {
@@ -134,7 +140,7 @@ main (int argc, char *argv[])
         }
       *last_dot = '\0';
       
-      message = dbus_message_new_signal (name, last_dot + 1);
+      message = dbus_message_new_signal (path, name, last_dot + 1);
     }
   else
     {