1 files changed, 110 insertions, 0 deletions
diff --git a/src/libnm-client-impl/nm-dbus-helpers.c b/src/libnm-client-impl/nm-dbus-helpers.c
new file mode 100644
index 0000000000..3b5f9ff88a
--- /dev/null
+++ b/src/libnm-client-impl/nm-dbus-helpers.c
@@ -0,0 +1,110 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+/*
+ * Copyright (C) 2013 Red Hat, Inc.
+ */
+
+#include "libnm-client-impl/nm-default-libnm.h"
+
+#include "nm-dbus-helpers.h"
+
+#include "nm-dbus-interface.h"
+
+GBusType
+_nm_dbus_bus_type(void)
+{
+    static volatile int bus_type = G_BUS_TYPE_NONE;
+    int                 v;
+
+    v = g_atomic_int_get(&bus_type);
+    if (G_UNLIKELY(v == G_BUS_TYPE_NONE)) {
+        v = G_BUS_TYPE_SYSTEM;
+        if (g_getenv("LIBNM_USE_SESSION_BUS"))
+            v = G_BUS_TYPE_SESSION;
+        if (!g_atomic_int_compare_and_exchange(&bus_type, G_BUS_TYPE_NONE, v))
+            v = g_atomic_int_get(&bus_type);
+        nm_assert(v != G_BUS_TYPE_NONE);
+    }
+    return v;
+}
+
+/* Binds the properties on a generated server-side GDBus object to the
+ * corresponding properties on the public object.
+ */
+void
+_nm_dbus_bind_properties(gpointer object, gpointer skeleton)
+{
+    GParamSpec **properties;
+    guint        n_properties;
+    int          i;
+
+    properties = g_object_class_list_properties(G_OBJECT_GET_CLASS(skeleton), &n_properties);
+    for (i = 0; i < n_properties; i++) {
+        if (g_str_has_prefix(properties[i]->name, "g-"))
+            continue;
+
+        g_object_bind_property(object,
+                               properties[i]->name,
+                               skeleton,
+                               properties[i]->name,
+                               G_BINDING_BIDIRECTIONAL | G_BINDING_SYNC_CREATE);
+    }
+    g_free(properties);
+}
+
+static char *
+signal_name_from_method_name(const char *method_name)
+{
+    GString *   signal_name;
+    const char *p;
+
+    signal_name = g_string_new("handle");
+    for (p = method_name; *p; p++) {
+        if (g_ascii_isupper(*p))
+            g_string_append_c(signal_name, '-');
+        g_string_append_c(signal_name, g_ascii_tolower(*p));
+    }
+
+    return g_string_free(signal_name, FALSE);
+}
+
+static void
+_nm_dbus_method_meta_marshal(GClosure *    closure,
+                             GValue *      return_value,
+                             guint         n_param_values,
+                             const GValue *param_values,
+                             gpointer      invocation_hint,
+                             gpointer      marshal_data)
+{
+    closure->marshal(closure,
+                     return_value,
+                     n_param_values,
+                     param_values,
+                     invocation_hint,
+                     ((GCClosure *) closure)->callback);
+
+    g_value_set_boolean(return_value, TRUE);
+}
+
+/* Takes (method_name, handler_func) pairs and connects the handlers to the
+ * signals on skeleton, with object as the user_data, but swapped so it comes
+ * first in the argument list, and handling the return value automatically.
+ */
+void
+_nm_dbus_bind_methods(gpointer object, gpointer skeleton, ...)
+{
+    va_list     ap;
+    const char *method_name;
+    char *      signal_name;
+    GCallback   handler;
+    GClosure *  closure;
+
+    va_start(ap, skeleton);
+    while ((method_name = va_arg(ap, const char *)) && (handler = va_arg(ap, GCallback))) {
+        signal_name = signal_name_from_method_name(method_name);
+        closure     = g_cclosure_new_swap(handler, object, NULL);
+        g_closure_set_meta_marshal(closure, NULL, _nm_dbus_method_meta_marshal);
+        g_signal_connect_closure(skeleton, signal_name, closure, FALSE);
+        g_free(signal_name);
+    }
+    va_end(ap);
+}