diff options
Diffstat (limited to 'dbus/examples/statemachine/statemachine-server.c')
| -rw-r--r-- | dbus/examples/statemachine/statemachine-server.c | 232 |
1 files changed, 232 insertions, 0 deletions
diff --git a/dbus/examples/statemachine/statemachine-server.c b/dbus/examples/statemachine/statemachine-server.c new file mode 100644 index 0000000..b92cb0e --- /dev/null +++ b/dbus/examples/statemachine/statemachine-server.c @@ -0,0 +1,232 @@ +#include <config.h> + +#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); + g_free (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, 0, + 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); +} |