Merge pull request #5778 from ton31337/fix/add_doc_for_ebgp_connected_route_check

[mirror_frr.git] / lib / debug.c

diff --git a/lib/debug.c b/lib/debug.c
index 252e4dd7248f7e363ffc3bbdce2540f5b205198f..3248ceb13b53222e84a143a5a532a73c4cf8d0dd 100644 (file)
--- a/lib/debug.c
+++ b/lib/debug.c
@@ -1,25 +1,63 @@
+/*
+ * 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 "log.h"
+#include "typesafe.h"
+#include "debug.h"
+#include "command.h"
 
-void 
-debug_print_trace (int signal)
+static struct debug_cb_list_head cb_head;
+
+DECLARE_LIST(debug_cb_list, struct debug_callbacks, item)
+
+/* 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")
 {
-#ifdef HAVE_GLIBC_BACKTRACE
-    void *array[10];
-    size_t size;
-    char **strings;   
-    size_t i;
+       struct debug_callbacks *cb;
 
-    size = backtrace (array, 10);
-    strings = backtrace_symbols (array, size);
+       bool set = !strmatch(argv[0]->text, "no");
+       uint32_t mode = DEBUG_NODE2MODE(vty->node);
 
-    printf ("Obtained %zd stack frames.\n", size);
+       frr_each (debug_cb_list, &cb_head, cb)
+               cb->debug_set_all(mode, set);
 
-    for (i = 0; i < size; i++)
-      printf ("%s\n", strings[i]);
+       return CMD_SUCCESS;
+}
+
+/* ------------------------------------------------------------------------- */
 
-    free (strings);
-#endif /* HAVE_GLIBC_BACKTRACE */
-    
-    exit(1);
+void debug_init(struct debug_callbacks *cb)
+{
+       static bool inited = false;
+
+       if (!inited) {
+               inited = true;
+               debug_cb_list_init(&cb_head);
+       }
+
+       debug_cb_list_add_head(&cb_head, cb);
+}
+
+void debug_init_cli(void)
+{
+       install_element(ENABLE_NODE, &debug_all_cmd);
+       install_element(CONFIG_NODE, &debug_all_cmd);
 }