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	gio/tests/gdbus-example-subtree.c:76:1: error: missing initializer for field ‘padding’ of ‘GDBusInterfaceVTable’ {aka ‘const struct _GDBusInterfaceVTable’}
   76 | };
      | ^
gio/tests/gdbus-example-subtree.c:190:1: error: missing initializer for field ‘padding’ of ‘GDBusInterfaceVTable’ {aka ‘const struct _GDBusInterfaceVTable’}
  190 | };
      | ^
gio/tests/gdbus-example-subtree.c:228:1: error: missing initializer for field ‘get_property’ of ‘GDBusInterfaceVTable’ {aka ‘const struct _GDBusInterfaceVTable’}
  228 | };
      | ^
gio/tests/gdbus-example-subtree.c:325:1: error: missing initializer for field ‘padding’ of ‘GDBusSubtreeVTable’ {aka ‘const struct _GDBusSubtreeVTable’}
  325 | };
      | ^
		
	
		
			
				
	
	
		
			403 lines
		
	
	
		
			13 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			403 lines
		
	
	
		
			13 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
#include <gio/gio.h>
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#include <stdlib.h>
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#include <string.h>
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/* ---------------------------------------------------------------------------------------------------- */
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static GDBusNodeInfo *introspection_data = NULL;
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static GDBusInterfaceInfo *manager_interface_info = NULL;
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static GDBusInterfaceInfo *block_interface_info = NULL;
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static GDBusInterfaceInfo *partition_interface_info = NULL;
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/* Introspection data for the service we are exporting */
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static const gchar introspection_xml[] =
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  "<node>"
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  "  <interface name='org.gtk.GDBus.Example.Manager'>"
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  "    <method name='Hello'>"
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  "      <arg type='s' name='greeting' direction='in'/>"
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  "      <arg type='s' name='response' direction='out'/>"
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  "    </method>"
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  "  </interface>"
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  "  <interface name='org.gtk.GDBus.Example.Block'>"
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  "    <method name='Hello'>"
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  "      <arg type='s' name='greeting' direction='in'/>"
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  "      <arg type='s' name='response' direction='out'/>"
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  "    </method>"
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  "    <property type='i' name='Major' access='read'/>"
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  "    <property type='i' name='Minor' access='read'/>"
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  "    <property type='s' name='Notes' access='readwrite'/>"
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  "  </interface>"
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  "  <interface name='org.gtk.GDBus.Example.Partition'>"
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  "    <method name='Hello'>"
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  "      <arg type='s' name='greeting' direction='in'/>"
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  "      <arg type='s' name='response' direction='out'/>"
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  "    </method>"
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  "    <property type='i' name='PartitionNumber' access='read'/>"
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  "    <property type='s' name='Notes' access='readwrite'/>"
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  "  </interface>"
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  "</node>";
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/* ---------------------------------------------------------------------------------------------------- */
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static void
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manager_method_call (GDBusConnection       *connection,
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                     const gchar           *sender,
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                     const gchar           *object_path,
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                     const gchar           *interface_name,
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                     const gchar           *method_name,
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                     GVariant              *parameters,
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                     GDBusMethodInvocation *invocation,
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                     gpointer               user_data)
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{
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  const gchar *greeting;
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  gchar *response;
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  g_assert_cmpstr (interface_name, ==, "org.gtk.GDBus.Example.Manager");
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  g_assert_cmpstr (method_name, ==, "Hello");
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  g_variant_get (parameters, "(&s)", &greeting);
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  response = g_strdup_printf ("Method %s.%s with user_data '%s' on object path %s called with arg '%s'",
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                              interface_name,
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                              method_name,
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                              (const gchar *) user_data,
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                              object_path,
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                              greeting);
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  g_dbus_method_invocation_return_value (invocation,
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                                         g_variant_new ("(s)", response));
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  g_free (response);
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}
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const GDBusInterfaceVTable manager_vtable =
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{
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  manager_method_call,
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  NULL,                 /* get_property */
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  NULL,                 /* set_property */
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  { 0 }
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};
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/* ---------------------------------------------------------------------------------------------------- */
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static void
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block_method_call (GDBusConnection       *connection,
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                   const gchar           *sender,
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                   const gchar           *object_path,
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                   const gchar           *interface_name,
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                   const gchar           *method_name,
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                   GVariant              *parameters,
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                   GDBusMethodInvocation *invocation,
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                   gpointer               user_data)
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{
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  g_assert_cmpstr (interface_name, ==, "org.gtk.GDBus.Example.Block");
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  if (g_strcmp0 (method_name, "Hello") == 0)
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    {
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      const gchar *greeting;
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      gchar *response;
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      g_variant_get (parameters, "(&s)", &greeting);
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      response = g_strdup_printf ("Method %s.%s with user_data '%s' on object path %s called with arg '%s'",
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                                  interface_name,
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                                  method_name,
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                                  (const gchar *) user_data,
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                                  object_path,
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                                  greeting);
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      g_dbus_method_invocation_return_value (invocation,
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                                             g_variant_new ("(s)", response));
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      g_free (response);
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    }
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  else if (g_strcmp0 (method_name, "DoStuff") == 0)
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    {
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      g_dbus_method_invocation_return_dbus_error (invocation,
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                                                  "org.gtk.GDBus.TestSubtree.Error.Failed",
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                                                  "This method intentionally always fails");
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    }
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  else
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    {
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      g_assert_not_reached ();
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    }
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}
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static GVariant *
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block_get_property (GDBusConnection  *connection,
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                    const gchar      *sender,
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                    const gchar      *object_path,
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                    const gchar      *interface_name,
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                    const gchar      *property_name,
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                    GError          **error,
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                    gpointer          user_data)
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{
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  GVariant *ret;
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  const gchar *node;
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  gint major;
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  gint minor;
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  node = strrchr (object_path, '/') + 1;
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  if (g_str_has_prefix (node, "sda"))
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    major = 8;
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  else
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    major = 9;
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  if (strlen (node) == 4)
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    minor = node[3] - '0';
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  else
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    minor = 0;
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  ret = NULL;
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  if (g_strcmp0 (property_name, "Major") == 0)
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    {
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      ret = g_variant_new_int32 (major);
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    }
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  else if (g_strcmp0 (property_name, "Minor") == 0)
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    {
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      ret = g_variant_new_int32 (minor);
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    }
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  else if (g_strcmp0 (property_name, "Notes") == 0)
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    {
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      g_set_error (error,
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                   G_IO_ERROR,
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                   G_IO_ERROR_FAILED,
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                   "Hello %s. I thought I said reading this property "
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                   "always results in an error. kthxbye",
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                   sender);
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    }
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  else
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    {
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      g_assert_not_reached ();
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    }
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  return ret;
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}
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static gboolean
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block_set_property (GDBusConnection  *connection,
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                    const gchar      *sender,
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                    const gchar      *object_path,
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                    const gchar      *interface_name,
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                    const gchar      *property_name,
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                    GVariant         *value,
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                    GError          **error,
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                    gpointer          user_data)
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{
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  /* TODO */
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  g_assert_not_reached ();
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}
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const GDBusInterfaceVTable block_vtable =
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{
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  block_method_call,
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  block_get_property,
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  block_set_property,
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  { 0 }
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};
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/* ---------------------------------------------------------------------------------------------------- */
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static void
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partition_method_call (GDBusConnection       *connection,
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                       const gchar           *sender,
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                       const gchar           *object_path,
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                       const gchar           *interface_name,
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                       const gchar           *method_name,
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                       GVariant              *parameters,
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                       GDBusMethodInvocation *invocation,
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                       gpointer               user_data)
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{
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  const gchar *greeting;
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  gchar *response;
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  g_assert_cmpstr (interface_name, ==, "org.gtk.GDBus.Example.Partition");
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  g_assert_cmpstr (method_name, ==, "Hello");
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  g_variant_get (parameters, "(&s)", &greeting);
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  response = g_strdup_printf ("Method %s.%s with user_data '%s' on object path %s called with arg '%s'",
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                              interface_name,
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                              method_name,
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                              (const gchar *) user_data,
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                              object_path,
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                              greeting);
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  g_dbus_method_invocation_return_value (invocation,
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                                         g_variant_new ("(s)", response));
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  g_free (response);
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}
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const GDBusInterfaceVTable partition_vtable =
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{
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  partition_method_call,
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  NULL,
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  NULL,
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  { 0 }
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};
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/* ---------------------------------------------------------------------------------------------------- */
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static gchar **
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subtree_enumerate (GDBusConnection       *connection,
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                   const gchar           *sender,
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                   const gchar           *object_path,
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                   gpointer               user_data)
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{
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  gchar **nodes;
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  GPtrArray *p;
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  p = g_ptr_array_new ();
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  g_ptr_array_add (p, g_strdup ("sda"));
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  g_ptr_array_add (p, g_strdup ("sda1"));
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  g_ptr_array_add (p, g_strdup ("sda2"));
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  g_ptr_array_add (p, g_strdup ("sda3"));
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  g_ptr_array_add (p, g_strdup ("sdb"));
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  g_ptr_array_add (p, g_strdup ("sdb1"));
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  g_ptr_array_add (p, g_strdup ("sdc"));
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  g_ptr_array_add (p, g_strdup ("sdc1"));
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  g_ptr_array_add (p, NULL);
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  nodes = (gchar **) g_ptr_array_free (p, FALSE);
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  return nodes;
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}
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static GDBusInterfaceInfo **
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subtree_introspect (GDBusConnection       *connection,
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                    const gchar           *sender,
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                    const gchar           *object_path,
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                    const gchar           *node,
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                    gpointer               user_data)
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{
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  GPtrArray *p;
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  p = g_ptr_array_new ();
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  if (node == NULL)
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    {
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      g_ptr_array_add (p, g_dbus_interface_info_ref (manager_interface_info));
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    }
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  else
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    {
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      g_ptr_array_add (p, g_dbus_interface_info_ref (block_interface_info));
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      if (strlen (node) == 4)
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        g_ptr_array_add (p,
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                         g_dbus_interface_info_ref (partition_interface_info));
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    }
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  g_ptr_array_add (p, NULL);
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  return (GDBusInterfaceInfo **) g_ptr_array_free (p, FALSE);
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}
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static const GDBusInterfaceVTable *
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subtree_dispatch (GDBusConnection             *connection,
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                  const gchar                 *sender,
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                  const gchar                 *object_path,
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                  const gchar                 *interface_name,
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                  const gchar                 *node,
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                  gpointer                    *out_user_data,
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                  gpointer                     user_data)
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{
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  const GDBusInterfaceVTable *vtable_to_return;
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  gpointer user_data_to_return;
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  if (g_strcmp0 (interface_name, "org.gtk.GDBus.Example.Manager") == 0)
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    {
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      user_data_to_return = "The Root";
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      vtable_to_return = &manager_vtable;
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    }
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  else
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    {
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      if (strlen (node) == 4)
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        user_data_to_return = "A partition";
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      else
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        user_data_to_return = "A block device";
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      if (g_strcmp0 (interface_name, "org.gtk.GDBus.Example.Block") == 0)
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        vtable_to_return = &block_vtable;
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      else if (g_strcmp0 (interface_name, "org.gtk.GDBus.Example.Partition") == 0)
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        vtable_to_return = &partition_vtable;
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      else
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        g_assert_not_reached ();
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    }
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  *out_user_data = user_data_to_return;
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  return vtable_to_return;
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}
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const GDBusSubtreeVTable subtree_vtable =
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{
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  subtree_enumerate,
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  subtree_introspect,
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  subtree_dispatch,
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  { 0 }
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};
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/* ---------------------------------------------------------------------------------------------------- */
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static void
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on_bus_acquired (GDBusConnection *connection,
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                 const gchar     *name,
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                 gpointer         user_data)
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{
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  guint registration_id;
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  registration_id = g_dbus_connection_register_subtree (connection,
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                                                        "/org/gtk/GDBus/TestSubtree/Devices",
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                                                        &subtree_vtable,
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                                                        G_DBUS_SUBTREE_FLAGS_NONE,
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                                                        NULL,  /* user_data */
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                                                        NULL,  /* user_data_free_func */
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                                                        NULL); /* GError** */
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  g_assert (registration_id > 0);
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}
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static void
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on_name_acquired (GDBusConnection *connection,
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                  const gchar     *name,
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                  gpointer         user_data)
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{
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}
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static void
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on_name_lost (GDBusConnection *connection,
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              const gchar     *name,
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              gpointer         user_data)
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{
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  exit (1);
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}
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int
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main (int argc, char *argv[])
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{
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  guint owner_id;
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  GMainLoop *loop;
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  /* We are lazy here - we don't want to manually provide
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   * the introspection data structures - so we just build
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   * them from XML.
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   */
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  introspection_data = g_dbus_node_info_new_for_xml (introspection_xml, NULL);
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  g_assert (introspection_data != NULL);
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  manager_interface_info = g_dbus_node_info_lookup_interface (introspection_data, "org.gtk.GDBus.Example.Manager");
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  block_interface_info = g_dbus_node_info_lookup_interface (introspection_data, "org.gtk.GDBus.Example.Block");
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  partition_interface_info = g_dbus_node_info_lookup_interface (introspection_data, "org.gtk.GDBus.Example.Partition");
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  g_assert (manager_interface_info != NULL);
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  g_assert (block_interface_info != NULL);
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  g_assert (partition_interface_info != NULL);
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  owner_id = g_bus_own_name (G_BUS_TYPE_SESSION,
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                             "org.gtk.GDBus.TestSubtree",
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                             G_BUS_NAME_OWNER_FLAGS_NONE,
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                             on_bus_acquired,
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                             on_name_acquired,
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                             on_name_lost,
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                             NULL,
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                             NULL);
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  loop = g_main_loop_new (NULL, FALSE);
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  g_main_loop_run (loop);
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  g_bus_unown_name (owner_id);
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  g_dbus_node_info_unref (introspection_data);
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  return 0;
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}
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