lib, bgpd: Add code to make lib auto create the ferr infrastructure

Add code to auto-create the ferr infrastructure as well as add
some initial error handling for vrf.c

Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>

1 files changed, 52 insertions, 0 deletions

diff --git a/lib/lib_errors.c b/lib/lib_errors.c
new file mode 100644
index 0000000000..73b90a9c55
--- /dev/null
+++ b/lib/lib_errors.c
@@ -0,0 +1,52 @@
+/*
+ * Library-specific error messages.
+ * Copyright (C) 2018  Cumulus Networks, Inc.
+ *                     Donald Sharp
+ *
+ * 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 <lib_errors.h>
+
+static struct ferr_ref ferr_lib_err[] = {
+	{
+		.code = LIB_ERR_PRIVILEGES,
+		.title = "Failure to raise or lower privileges",
+		.description = "FRR attempted to raise or lower it's privileges and was unable to do so",
+		.suggestion = "Ensure that you are running FRR as the frr user and that the user has\nSufficient privileges to properly access root privileges"
+	},
+	{
+		.code = LIB_ERR_VRF_START,
+		.title = "VRF Failure on Start",
+		.description = "Upon startup FRR failed to properly initialize and startup the VRF subsystem",
+		.suggestion = "Ensure that there is sufficient memory to start processes and restart FRR",
+	},
+	{
+		.code = LIB_ERR_VRF_SOCKET,
+		.title = "VRF Socket Error",
+		.description = "When attempting to access a socket for the VRF specified, we\nwere unable to properly complete the request",
+		.suggestion = "Ensure that there is sufficient system resources available and\nensure that the frr user has sufficient permisions to work",
+	},
+	{
+		.code = END_FERR
+	}
+};
+
+void lib_error_init(void)
+{
+	ferr_ref_init();
+	ferr_ref_add(ferr_lib_err);
+}