1 files changed, 102 insertions, 0 deletions
diff --git a/src/pulsecore/dbus-shared.c b/src/pulsecore/dbus-shared.c
new file mode 100644
index 0000000..3422c29
--- /dev/null
+++ b/src/pulsecore/dbus-shared.c
@@ -0,0 +1,102 @@
+/***
+  This file is part of PulseAudio.
+
+  Copyright 2004-2006, 2009 Lennart Poettering
+  Copyright 2006 Shams E. King
+
+  PulseAudio is free software; you can redistribute it and/or modify
+  it under the terms of the GNU Lesser General Public License as published
+  by the Free Software Foundation; either version 2.1 of the License,
+  or (at your option) any later version.
+
+  PulseAudio is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+  General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public License
+  along with PulseAudio; if not, see <http://www.gnu.org/licenses/>.
+***/
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <pulse/xmalloc.h>
+
+#include <pulsecore/shared.h>
+
+#include "dbus-shared.h"
+
+struct pa_dbus_connection {
+    PA_REFCNT_DECLARE;
+
+    pa_dbus_wrap_connection *connection;
+    pa_core *core;
+    const char *property_name;
+};
+
+static pa_dbus_connection* dbus_connection_new(pa_core *c, pa_dbus_wrap_connection *conn, const char *name) {
+    pa_dbus_connection *pconn;
+
+    pconn = pa_xnew(pa_dbus_connection, 1);
+    PA_REFCNT_INIT(pconn);
+    pconn->core = c;
+    pconn->property_name = name;
+    pconn->connection = conn;
+
+    pa_assert_se(pa_shared_set(c, name, pconn) >= 0);
+
+    return pconn;
+}
+
+pa_dbus_connection* pa_dbus_bus_get(pa_core *c, DBusBusType type, DBusError *error) {
+
+    static const char *const prop_name[] = {
+        [DBUS_BUS_SESSION] = "dbus-connection-session",
+        [DBUS_BUS_SYSTEM] = "dbus-connection-system",
+        [DBUS_BUS_STARTER] = "dbus-connection-starter"
+    };
+    pa_dbus_wrap_connection *conn;
+    pa_dbus_connection *pconn;
+
+    pa_assert(type == DBUS_BUS_SYSTEM || type == DBUS_BUS_SESSION || type == DBUS_BUS_STARTER);
+
+    if ((pconn = pa_shared_get(c, prop_name[type])))
+        return pa_dbus_connection_ref(pconn);
+
+    if (!(conn = pa_dbus_wrap_connection_new(c->mainloop, true, type, error)))
+        return NULL;
+
+    return dbus_connection_new(c, conn, prop_name[type]);
+}
+
+DBusConnection* pa_dbus_connection_get(pa_dbus_connection *c) {
+    pa_assert(c);
+    pa_assert(PA_REFCNT_VALUE(c) > 0);
+    pa_assert(c->connection);
+
+    return pa_dbus_wrap_connection_get(c->connection);
+}
+
+void pa_dbus_connection_unref(pa_dbus_connection *c) {
+    pa_assert(c);
+    pa_assert(PA_REFCNT_VALUE(c) > 0);
+
+    if (PA_REFCNT_DEC(c) > 0)
+        return;
+
+    pa_dbus_wrap_connection_free(c->connection);
+
+    pa_assert_se(pa_shared_remove(c->core, c->property_name) >= 0);
+    pa_xfree(c);
+}
+
+pa_dbus_connection* pa_dbus_connection_ref(pa_dbus_connection *c) {
+    pa_assert(c);
+    pa_assert(PA_REFCNT_VALUE(c) > 0);
+
+    PA_REFCNT_INC(c);
+
+    return c;
+}