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lib: add minimal no-config VTY mode

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This silences the following warning from watchquagga:
"Can't save to configuration file, using vtysh."
which otherwise appears when doing a "write file" in vtysh when no
integrated-config is in use.

Also make "show memory" available in watchquagga.

Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
This commit is contained in:
David Lamparter 2016-11-09 14:42:47 +01:00
parent 1f8df88720
commit 87f44e2f0b
3 changed files with 27 additions and 8 deletions
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30
lib/command.c
View File

@ -3146,6 +3146,9 @@ DEFUN (config_write_file,
struct vty *file_vty;
struct stat conf_stat;
if (host.noconfig)
return CMD_SUCCESS;
/* Check and see if we are operating under vtysh configuration */
if (host.config == NULL)
{
@ -3270,6 +3273,9 @@ DEFUN (config_write_terminal,
unsigned int i;
struct cmd_node *node;
if (host.noconfig)
return CMD_SUCCESS;
if (vty->type == VTY_SHELL_SERV)
{
for (i = 0; i < vector_active (cmdvec); i++)
@ -3313,6 +3319,11 @@ DEFUN (show_startup_config,
char buf[BUFSIZ];
FILE *confp;
if (host.noconfig)
return CMD_SUCCESS;
if (host.config == NULL)
return CMD_WARNING;
confp = fopen (host.config, "r");
if (confp == NULL)
{
@ -4203,7 +4214,11 @@ install_default (enum node_type node)
install_element (node, &show_running_config_cmd);
}
/* Initialize command interface. Install basic nodes and commands. */
/* Initialize command interface. Install basic nodes and commands.
*
* terminal = 0 -- vtysh / no logging, no config control
* terminal = 1 -- normal daemon
* terminal = -1 -- watchquagga / no logging, but minimal config control */
void
cmd_init (int terminal)
{
@ -4224,6 +4239,7 @@ cmd_init (int terminal)
host.enable = NULL;
host.logfile = NULL;
host.config = NULL;
host.noconfig = (terminal < 0);
host.lines = -1;
host.motd = default_motd;
host.motdfile = NULL;
@ -4269,12 +4285,17 @@ cmd_init (int terminal)
{
install_element (ENABLE_NODE, &config_logmsg_cmd);
install_default (CONFIG_NODE);
install_element (VIEW_NODE, &show_thread_cpu_cmd);
install_element (ENABLE_NODE, &clear_thread_cpu_cmd);
install_element (VIEW_NODE, &show_work_queues_cmd);
}
install_element (CONFIG_NODE, &hostname_cmd);
install_element (CONFIG_NODE, &no_hostname_cmd);
if (terminal)
if (terminal > 0)
{
install_element (CONFIG_NODE, &password_cmd);
install_element (CONFIG_NODE, &password_text_cmd);
@ -4313,11 +4334,6 @@ cmd_init (int terminal)
install_element (CONFIG_NODE, &service_terminal_length_cmd);
install_element (CONFIG_NODE, &no_service_terminal_length_cmd);
install_element (VIEW_NODE, &show_thread_cpu_cmd);
install_element (ENABLE_NODE, &clear_thread_cpu_cmd);
install_element (VIEW_NODE, &show_work_queues_cmd);
vrf_install_commands ();
}
srandom(time(NULL));

1
lib/command.h
View File

@ -56,6 +56,7 @@ struct host
/* config file name of this host */
char *config;
int noconfig;
/* Flags for services */
int advanced;

4
watchquagga/watchquagga.c
View File

@ -25,6 +25,7 @@
#include <sigevent.h>
#include <lib/version.h>
#include "command.h"
#include "memory_vty.h"
#include <getopt.h>
#include <sys/un.h>
@ -1304,7 +1305,8 @@ main(int argc, char **argv)
zprivs_init (&watchquagga_privs);
master = thread_master_create();
cmd_init(1);
cmd_init(-1);
memory_init();
vty_init(master);
watchquagga_vty_init();
vty_serv_sock(NULL, 0, WATCHQUAGGA_VTYSH_PATH);