forked from Mirror/frr
fbdc1c0a84
Confirmed commits allow the user to request an automatic rollback to the previous configuration if the commit operation is not confirmed within a number of minutes. This is particularly useful when the user is accessing the CLI through the network (e.g. using SSH) and any configuration change might cause an unexpected loss of connectivity between the user and the managed device (e.g. misconfiguration of a routing protocol). By using a confirmed commit, the user can rest assured the connectivity will be restored after the given timeout expires, avoiding the need to access the router physically to fix the problem. When "commit confirmed TIMEOUT" is used, a new "commit" command is expected to confirm the previous commit before the given timeout expires. If "commit confirmed TIMEOUT" is used while there's already a confirmed-commit in progress, the confirmed-commit timeout is reset to the new value. In the current implementation, if other users perform commits while there's a confirmed-commit in progress, all commits are rolled back when the confirmed-commit timeout expires. It's recommended to use the "configure exclusive" configuration mode to prevent unexpected outcomes when using confirmed commits. When an user exits from the configuration mode while there's a confirmed-commit in progress, the commit is automatically rolled back and the user is notified about it. In the future we might want to prompt the user if he or she really wants to exit from the configuration mode when there's a pending confirmed commit. Needless to say, confirmed commit only work for configuration commands converted to the new northbound model. vtysh support will be implemented at a later time. Signed-off-by: Renato Westphal <renato@opensourcerouting.org>
100 lines
2.3 KiB
C
100 lines
2.3 KiB
C
/*
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* generic CLI test helper functions
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*
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* Copyright (C) 2015 by David Lamparter,
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* for Open Source Routing / NetDEF, Inc.
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*
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* Quagga is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2, or (at your option) any
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* later version.
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*
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* Quagga is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; see the file COPYING; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include <zebra.h>
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#include "thread.h"
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#include "vty.h"
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#include "command.h"
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#include "memory.h"
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#include "memory_vty.h"
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#include "log.h"
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#include "common_cli.h"
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struct thread_master *master;
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int dump_args(struct vty *vty, const char *descr, int argc,
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struct cmd_token *argv[])
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{
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int i;
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vty_out(vty, "%s with %d args.\n", descr, argc);
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for (i = 0; i < argc; i++) {
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vty_out(vty, "[%02d] %s@%s: %s\n", i, argv[i]->text,
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argv[i]->varname, argv[i]->arg);
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}
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return CMD_SUCCESS;
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}
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static void vty_do_exit(int isexit)
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{
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printf("\nend.\n");
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cmd_terminate();
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vty_terminate();
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nb_terminate();
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yang_terminate();
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thread_master_free(master);
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closezlog();
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log_memstats(stderr, "testcli");
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if (!isexit)
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exit(0);
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}
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/* main routine. */
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int main(int argc, char **argv)
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{
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struct thread thread;
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/* Set umask before anything for security */
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umask(0027);
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/* master init. */
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master = thread_master_create(NULL);
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openzlog("common-cli", "NONE", 0, LOG_CONS | LOG_NDELAY | LOG_PID,
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LOG_DAEMON);
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zlog_set_level(ZLOG_DEST_SYSLOG, ZLOG_DISABLED);
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zlog_set_level(ZLOG_DEST_STDOUT, ZLOG_DISABLED);
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zlog_set_level(ZLOG_DEST_MONITOR, LOG_DEBUG);
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/* Library inits. */
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cmd_init(1);
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cmd_hostname_set("test");
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vty_init(master);
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memory_init();
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yang_init();
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nb_init(master, NULL, 0);
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test_init(argc, argv);
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vty_stdio(vty_do_exit);
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/* Fetch next active thread. */
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while (thread_fetch(master, &thread))
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thread_call(&thread);
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/* Not reached. */
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exit(0);
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}
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