Add lttng-kconsumerd.h

[lttng-tools.git] / include / lttng-kconsumerd.h

diff --git a/include/lttng-kconsumerd.h b/include/lttng-kconsumerd.h
new file mode 100644 (file)
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+++ b/include/lttng-kconsumerd.h
@@ -0,0 +1,44 @@
+/*
+ * Copyright (C) 2011 - Julien Desfossez <julien.desfossez@polymtl.ca>
+ *                      David Goulet <david.goulet@polymtl.ca>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program 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 General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ */
+
+#ifndef _LTTNG_KCONSUMERD_H
+#define _LTTNG_KCONSUMERD_H
+
+#include "lttng-share.h"
+
+/* Kernel consumer path */
+#define KCONSUMERD_PATH                                                LTTNG_RUNDIR "/kconsumerd"
+#define KCONSUMERD_CMD_SOCK_PATH                       KCONSUMERD_PATH "/command"
+#define KCONSUMERD_ERR_SOCK_PATH                       KCONSUMERD_PATH "/error"
+
+/* Commands for kconsumerd */
+enum kconsumerd_command {
+       ADD_STREAM,
+       UPDATE_STREAM, /* pause, delete, start depending on fd state */
+       STOP, /* delete all */
+};
+
+/* State of each fd in consumerd */
+enum kconsumerd_fd_state {
+       ACTIVE_FD,
+       PAUSE_FD,
+       DELETE_FD,
+};
+
+#endif /* _LTTNG_KCONSUMERD_H */