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#include <dbus/dbus-glib.h>
#include <stdio.h>
#include <stdlib.h>
#include "statemachine.h"
#include "sm-marshal.h"
#include "statemachine-server.h"
enum
{
PROP_O,
PROP_BUS
};
enum
{
MACHINE_CREATED,
LAST_SIGNAL
};
static guint sm_server_signals[LAST_SIGNAL] = { 0 };
static void sm_server_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec);
static void sm_server_get_property (GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec);
G_DEFINE_TYPE(SMServer, sm_server, G_TYPE_OBJECT)
#include "statemachine-server-glue.h"
#include "statemachine-glue.h"
static void
sm_server_init (SMServer *obj)
{
obj->machines = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, g_object_unref);
}
static void
sm_server_class_init (SMServerClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
object_class->set_property = sm_server_set_property;
object_class->get_property = sm_server_get_property;
g_object_class_install_property (object_class,
PROP_BUS,
g_param_spec_boxed ("bus",
"bus",
"bus",
DBUS_TYPE_G_CONNECTION,
G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY));
sm_server_signals[MACHINE_CREATED] =
g_signal_new ("machine-created",
G_OBJECT_CLASS_TYPE (klass),
G_SIGNAL_RUN_LAST | G_SIGNAL_DETAILED,
0,
NULL, NULL,
sm_marshal_VOID__STRING_BOXED,
G_TYPE_NONE, 2, G_TYPE_STRING, DBUS_TYPE_G_OBJECT_PATH);
}
static void
sm_server_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec)
{
SMServer *server = SM_SERVER (object);
switch (prop_id)
{
case PROP_BUS:
server->bus = g_value_get_boxed (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
sm_server_get_property (GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec)
{
SMServer *server = SM_SERVER (object);
switch (prop_id)
{
case PROP_BUS:
g_value_set_boxed (value, server->bus);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
machine_state_changed_cb (SMObject *obj, const char *state, gpointer data)
{
char *name;
g_object_get (obj, "name", &name, NULL);
g_print ("Machine %s switching to state %s\n", name, state);
g_free (name);
}
static void
machine_acquisition_changed_cb (SMObject *obj, gdouble progress, gpointer data)
{
char *name;
g_object_get (obj, "name", &name, NULL);
g_print ("Machine %s got progress %f\n", name, progress);
g_free (name);
}
gboolean
sm_server_create_machine (SMServer *server, const char *name, GError **error)
{
SMObject *machine;
char *path;
machine = g_hash_table_lookup (server->machines, name);
if (machine != NULL)
{
g_set_error (error,
SM_ERROR,
SM_ERROR_NAME_IN_USE,
"Statemachine name \"%s\" is already in use",
name);
return FALSE;
}
machine = g_object_new (SM_TYPE_OBJECT, "name", name, NULL);
path = g_strdup_printf ("/com/example/StateMachines/%s", name);
dbus_g_connection_register_g_object (server->bus, path, G_OBJECT (machine));
g_hash_table_insert (server->machines, g_strdup (name), machine);
g_print ("Created state machine with name %s at %s\n", name, path);
g_signal_connect_object (machine, "state-changed",
G_CALLBACK (machine_state_changed_cb),
NULL, 0);
g_signal_connect_object (machine, "acquisition-progress",
G_CALLBACK (machine_acquisition_changed_cb),
NULL, 0);
g_signal_emit (server, sm_server_signals[MACHINE_CREATED], 0, name, path);
return TRUE;
}
static void
add_machine_to_ptr_array (gpointer key, gpointer val, gpointer data)
{
const char *name = key;
/* SMObject *sm = val; */
GPtrArray *ptrarray = data;
g_ptr_array_add (ptrarray, g_strdup_printf ("/com/example/StateMachines/%s",
name));
}
gboolean
sm_server_get_machines (SMServer *server, GPtrArray **machines, GError **error)
{
*machines = g_ptr_array_new ();
g_hash_table_foreach (server->machines, add_machine_to_ptr_array, *machines);
return TRUE;
}
int
main (int argc, char **argv)
{
DBusGConnection *bus;
DBusGProxy *bus_proxy;
GError *error = NULL;
SMServer *server;
GMainLoop *mainloop;
guint request_name_result;
g_type_init ();
dbus_g_object_type_install_info (SM_TYPE_SERVER, &dbus_glib_sm_server_object_info);
dbus_g_object_type_install_info (SM_TYPE_OBJECT, &dbus_glib_sm_object_object_info);
dbus_g_error_domain_register (SM_ERROR, NULL, SM_TYPE_ERROR);
mainloop = g_main_loop_new (NULL, FALSE);
bus = dbus_g_bus_get (DBUS_BUS_SESSION, &error);
if (!bus)
g_critical ("Couldn't connect to session bus: %s\n", error->message);
bus_proxy = dbus_g_proxy_new_for_name (bus, "org.freedesktop.DBus",
"/org/freedesktop/DBus",
"org.freedesktop.DBus");
if (!dbus_g_proxy_call (bus_proxy, "RequestName", &error,
G_TYPE_STRING, "com.example.StateServer",
G_TYPE_UINT, DBUS_NAME_FLAG_PROHIBIT_REPLACEMENT,
G_TYPE_INVALID,
G_TYPE_UINT, &request_name_result,
G_TYPE_INVALID))
g_critical ("Couldn't acquire com.example.StateServer: %s\n", error->message);
server = g_object_new (SM_TYPE_SERVER, "bus", bus, NULL);
dbus_g_connection_register_g_object (bus, "/com/example/StateServer", G_OBJECT (server));
g_print ("StateMachine server initialized\n");
g_main_loop_run (mainloop);
exit (0);
}
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