Merge pull request #1808 from qlyoung/debug-mt-safe

MT-safe debug facilities

1 files changed, 46 insertions, 0 deletions

diff --git a/lib/debug.c b/lib/debug.c
new file mode 100644
index 0000000000..0bacf9789c
--- /dev/null
+++ b/lib/debug.c
@@ -0,0 +1,46 @@
+/*
+ * Debugging utilities.
+ * Copyright (C) 2018  Cumulus Networks, Inc.
+ * Quentin Young
+ *
+ * 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; see the file COPYING; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+#include <zebra.h>
+#include "debug.h"
+#include "command.h"
+
+static const struct debug_callbacks *callbacks;
+
+/* All code in this section should be reentrant and MT-safe */
+
+DEFUN_NOSH(debug_all, debug_all_cmd, "[no] debug all",
+	   NO_STR DEBUG_STR "Toggle all debugging output\n")
+{
+	bool set = strmatch(argv[0]->text, "no");
+	uint32_t mode = DEBUG_NODE2MODE(vty->node);
+
+	if (callbacks->debug_set_all)
+		callbacks->debug_set_all(mode, set);
+	return CMD_SUCCESS;
+}
+
+/* ------------------------------------------------------------------------- */
+
+void debug_init(const struct debug_callbacks *cb)
+{
+	callbacks = cb;
+	install_element(ENABLE_NODE, &debug_all_cmd);
+	install_element(CONFIG_NODE, &debug_all_cmd);
+}