1 files changed, 87 insertions, 0 deletions
diff --git a/src/modules/module-protocol-pulse/dbus-name.c b/src/modules/module-protocol-pulse/dbus-name.c
new file mode 100644
index 0000000..b82bc45
--- /dev/null
+++ b/src/modules/module-protocol-pulse/dbus-name.c
@@ -0,0 +1,87 @@
+/* PipeWire
+ *
+ * Copyright © 2019 Wim Taymans
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+#include <errno.h>
+
+#include <dbus/dbus.h>
+
+#include <spa/support/dbus.h>
+#include <spa/support/plugin.h>
+#include <pipewire/context.h>
+
+#include "log.h"
+#include "dbus-name.h"
+
+void *dbus_request_name(struct pw_context *context, const char *name)
+{
+	struct spa_dbus *dbus;
+	struct spa_dbus_connection *conn;
+	const struct spa_support *support;
+	uint32_t n_support;
+	DBusConnection *bus;
+	DBusError error;
+
+	support = pw_context_get_support(context, &n_support);
+
+	dbus = spa_support_find(support, n_support, SPA_TYPE_INTERFACE_DBus);
+	if (dbus == NULL) {
+		errno = ENOTSUP;
+		return NULL;
+	}
+
+	conn = spa_dbus_get_connection(dbus, SPA_DBUS_TYPE_SESSION);
+	if (conn == NULL)
+		return NULL;
+
+	bus = spa_dbus_connection_get(conn);
+	if (bus == NULL) {
+		spa_dbus_connection_destroy(conn);
+		return NULL;
+	}
+
+	dbus_error_init(&error);
+
+	if (dbus_bus_request_name(bus, name,
+			DBUS_NAME_FLAG_DO_NOT_QUEUE,
+			&error) == DBUS_REQUEST_NAME_REPLY_PRIMARY_OWNER)
+		return conn;
+
+	if (dbus_error_is_set(&error))
+		pw_log_error("Failed to acquire %s: %s: %s", name, error.name, error.message);
+	else
+		pw_log_error("D-Bus name %s already taken.", name);
+
+	dbus_error_free(&error);
+
+	spa_dbus_connection_destroy(conn);
+
+	errno = EEXIST;
+	return NULL;
+}
+
+void dbus_release_name(void *data)
+{
+	struct spa_dbus_connection *conn = data;
+	spa_dbus_connection_destroy(conn);
+}