introspect: add api get daemon info

src/client/introspect.c

@@ -28,7 +28,83 @@
 #include "client/private.h"
 
 static void
-fill_info (PinosSourceInfo *info, GDBusProxy *proxy)
+daemon_fill_info (PinosDaemonInfo *info, GDBusProxy *proxy)
+{
+  GVariant *variant;
+
+  info->id = proxy;
+
+  if ((variant = g_dbus_proxy_get_cached_property (G_DBUS_PROXY (proxy), "UserName"))) {
+    info->user_name = g_variant_get_string (variant, NULL);
+    g_variant_unref (variant);
+  } else {
+    info->user_name = "Unknown";
+  }
+  if ((variant = g_dbus_proxy_get_cached_property (G_DBUS_PROXY (proxy), "HostName"))) {
+    info->host_name = g_variant_get_string (variant, NULL);
+    g_variant_unref (variant);
+  } else {
+    info->host_name = "Unknown";
+  }
+  if ((variant = g_dbus_proxy_get_cached_property (G_DBUS_PROXY (proxy), "Version"))) {
+    info->version = g_variant_get_string (variant, NULL);
+    g_variant_unref (variant);
+  } else {
+    info->version = "Unknown";
+  }
+  if ((variant = g_dbus_proxy_get_cached_property (G_DBUS_PROXY (proxy), "Name"))) {
+    info->name = g_variant_get_string (variant, NULL);
+    g_variant_unref (variant);
+  } else {
+    info->name = "Unknown";
+  }
+  if ((variant = g_dbus_proxy_get_cached_property (G_DBUS_PROXY (proxy), "Cookie"))) {
+    info->cookie = g_variant_get_uint32 (variant);
+    g_variant_unref (variant);
+  } else {
+    info->cookie = 0;
+  }
+  info->properties = pinos_properties_from_variant (
+      g_dbus_proxy_get_cached_property (G_DBUS_PROXY (proxy), "Properties"));
+}
+
+static void
+daemon_clear_info (PinosDaemonInfo *info)
+{
+  if (info->properties)
+    pinos_properties_free (info->properties);
+}
+
+/**
+ * pinos_context_get_daemon_info:
+ * @context: a #PinosContext
+ * @flags: extra flags
+ * @cb: a callback
+ * @cancelable: a #GCancellable
+ * @user_data: user data passed to @cb
+ *
+ * Get the information of the daemon @context is connected to.
+ */
+void
+pinos_context_get_daemon_info (PinosContext *context,
+                               PinosDaemonInfoFlags flags,
+                               PinosDaemonInfoCallback cb,
+                               GCancellable *cancellable,
+                               gpointer user_data)
+{
+  PinosDaemonInfo info;
+
+  g_return_if_fail (PINOS_IS_CONTEXT (context));
+  g_return_if_fail (cb != NULL);
+
+  daemon_fill_info (&info, context->priv->daemon);
+  cb (context, &info, user_data);
+  daemon_clear_info (&info);
+  cb (context, NULL, user_data);
+}
+
+static void
+client_fill_info (PinosSourceInfo *info, GDBusProxy *proxy)
 {
   GVariant *variant;
 

src/client/introspect.h

@@ -28,6 +28,41 @@
 
 G_BEGIN_DECLS
 
+/**
+ * PinosDeamonInfo:
+ * @id: generic id of the daemon
+ * @user_name: name of the user that started the daemon
+ * @host_name: name of the machine the daemon is running on
+ * @version: version of the daemon
+ * @name: name of the daemon
+ * @cookie: a random cookie for identifying this instance of Pinos
+ * @properties: extra properties
+ *
+ * The daemon information. Extra information can be added in later
+ * versions.
+ */
+typedef struct {
+  gpointer id;
+  const char *user_name;
+  const char *host_name;
+  const char *version;
+  const char *name;
+  guint32 cookie;
+  PinosProperties *properties;
+} PinosDaemonInfo;
+
+typedef enum {
+  PINOS_DAEMON_INFO_FLAGS_NONE            = 0,
+} PinosDaemonInfoFlags;
+
+typedef gboolean (*PinosDaemonInfoCallback)  (PinosContext *c, const PinosDaemonInfo *info, gpointer userdata);
+
+void            pinos_context_get_daemon_info (PinosContext *context,
+                                               PinosDaemonInfoFlags flags,
+                                               PinosDaemonInfoCallback cb,
+                                               GCancellable *cancellable,
+                                               gpointer user_data);
+
 /**
  * PinosSourceState:
  * @PINOS_SOURCE_STATE_ERROR: the source is in error