/*
 * 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 its 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_SOCKET,
		.title = "Socket Error",
		.description = "When attempting to access a socket a system error has occured\nand we were unable to properly complete the request",
		.suggestion = "Ensure that there are sufficient system resources available and\nensure that the frr user has sufficient permisions to work",
	},
	{
		.code = LIB_ERR_ZAPI_MISSMATCH,
		.title = "ZAPI Error",
		.description = "A version miss-match has been detected between zebra and client protocol",
		.suggestion = "Two different versions of FRR have been installed and the install is\nnot properly setup.  Completely stop FRR, remove it from the system and\nreinstall.  Typically only developers should see this issue."
	},
	{
		.code = LIB_ERR_ZAPI_ENCODE,
		.title = "ZAPI Error",
		.description = "The ZAPI subsystem has detected an encoding issue, between zebra and a client protocol",
		.suggestion = "Restart FRR"
	},
	{
		.code = LIB_ERR_ZAPI_SOCKET,
		.title = "ZAPI Error",
		.description = "The ZAPI subsystem has detected a socket error between zebra and a client",
		.suggestion = "Restart FRR"
	},
	{
		.code = LIB_ERR_SYSTEM_CALL,
		.title = "System Call Error",
		.description = "FRR has detected a error from using a vital system call and has probably\nalready exited",
		.suggestion = "Ensure permissions are correct for FRR files, users and groups are correct.\nAdditionally check that sufficient system resources are available."
	},
	{
		.code = LIB_ERR_VTY,
		.title = "VTY Subsystem Error",
		.description = "FRR has detected a problem with the specified configuration file",
		.suggestion = "Ensure configuration file exists and has correct permissions for operations\nAdditionally ensure that all config lines are correct as well",
	},
	{
		.code = LIB_ERR_SNMP,
		.title = "SNMP Subsystem Error",
		.description = "FRR has detected a problem with the snmp library it uses\nA callback from this subsystem has indicated some error",
		.suggestion = "Examine callback message and ensure snmp is properly setup and working"
	},
	{
		.code = LIB_ERR_INTERFACE,
		.title = "Interface Subsystem Error",
		.description = "FRR has detected a problem with interface data from the kernel as it deviates\nfrom what we would expect to happen via normal netlink messaging",
		.suggestion = "Open an Issue with all relevant log files and restart FRR"
	},
	{
		.code = LIB_ERR_NS,
		.title = "NameSpace Subsystem Error",
		.description = "FRR has detected a problem with NameSpace data from the kernel as it deviates\nfrom what we would expect to happen via normal kernel messaging",
		.suggestion = "Open an Issue with all relevant log files and restart FRR"
	},
	{
		.code = LIB_ERR_DEVELOPMENT,
		.title = "Developmental Escape Error",
		.description = "FRR has detected an issue where new development has not properly\nupdated all code paths.",
		.suggestion = "Open an Issue with all relevant log files"
	},
	{
		.code = END_FERR,
	}
};

void lib_error_init(void)
{
	ferr_ref_init();
	ferr_ref_add(ferr_lib_err);
}