add basic (and not very useful) D-Bus support

1 files changed, 60 insertions, 0 deletions

diff --git a/dbus.h b/dbus.h
new file mode 100644
index 0000000000..6a769c9167
--- /dev/null
+++ b/dbus.h
@@ -0,0 +1,60 @@
+/*-*- Mode: C; c-basic-offset: 8 -*-*/
+
+#ifndef foodbushfoo
+#define foodbushfoo
+
+#include <dbus/dbus.h>
+
+#include "manager.h"
+
+typedef int (*BusPropertyCallback)(Manager *m, DBusMessageIter *iter, const char *property, void *data);
+
+typedef struct BusProperty {
+        const char *interface;           /* interface of the property */
+        const char *property;            /* name of the property */
+        BusPropertyCallback append;      /* Function that is called to serialize this property */
+        const char *signature;
+        void *data;                      /* The data of this property */
+} BusProperty;
+
+#define BUS_PROPERTIES_INTERFACE                                        \
+        " <interface name=\"org.freedesktop.DBus.Properties\">"         \
+        "  <method name=\"Get\">"                                       \
+        "   <arg name=\"interface\" direction=\"in\" type=\"s\"/>"      \
+        "   <arg name=\"property\" direction=\"in\" type=\"s\"/>"       \
+        "   <arg name=\"value\" direction=\"out\" type=\"v\"/>"         \
+        "  </method>"                                                   \
+        "  <method name=\"GetAll\">"                                    \
+        "   <arg name=\"interface\" direction=\"in\" type=\"s\"/>"      \
+        "   <arg name=\"properties\" direction=\"out\" type=\"a{sv}\"/>" \
+        "  </method>"                                                   \
+        " </interface>"
+
+#define BUS_INTROSPECTABLE_INTERFACE                                    \
+        " <interface name=\"org.freedesktop.DBus.Introspectable\">"     \
+        "  <method name=\"Introspect\">"                                \
+        "   <arg name=\"data\" type=\"s\" direction=\"out\"/>"          \
+        "  </method>"                                                   \
+        " </interface>"
+
+int bus_init(Manager *m);
+void bus_done(Manager *m);
+
+void bus_dispatch(Manager *m);
+
+void bus_watch_event(Manager *m, Watch *w, int events);
+void bus_timeout_event(Manager *m, Watch *w, int events);
+
+DBusHandlerResult bus_default_message_handler(Manager *m, DBusMessage *message, const char* introspection, const BusProperty *properties);
+
+DBusHandlerResult bus_send_error_reply(Manager *m, DBusMessage *message, DBusError *bus_error, int error);
+
+int bus_property_append_string(Manager *m, DBusMessageIter *i, const char *property, void *data);
+int bus_property_append_strv(Manager *m, DBusMessageIter *i, const char *property, void *data);
+int bus_property_append_bool(Manager *m, DBusMessageIter *i, const char *property, void *data);
+
+extern const DBusObjectPathVTable bus_manager_vtable;
+extern const DBusObjectPathVTable bus_job_vtable;
+extern const DBusObjectPathVTable bus_unit_vtable;
+
+#endif