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mirror of https://gitlab.nic.cz/labs/bird.git synced 2024-12-22 17:51:53 +00:00
bird/nest/cmds.c
Piotr Wydrych 82d57fb7ad CLI: Add timeformat command
Adds ability to override time format of show commands for current CLI session
so that it does not depend on configuration and may ease parsing when CLI is
called from tools.

Minor changes by committer.
2024-11-07 15:08:51 +01:00

147 lines
3.5 KiB
C

/*
* BIRD Internet Routing Daemon -- CLI Commands Which Don't Fit Anywhere Else
*
* (c) 2000 Martin Mares <mj@ucw.cz>
*
* Can be freely distributed and used under the terms of the GNU GPL.
*/
#include "nest/bird.h"
#include "nest/protocol.h"
#include "nest/route.h"
#include "nest/cli.h"
#include "conf/conf.h"
#include "nest/cmds.h"
#include "lib/string.h"
#include "lib/resource.h"
#include "filter/filter.h"
extern int shutting_down;
extern int configuring;
void
cmd_show_status(void)
{
struct timeformat *tf_base = this_cli->tf ?: &config->tf_base;
byte tim[TM_DATETIME_BUFFER_SIZE];
cli_msg(-1000, "BIRD " BIRD_VERSION);
tm_format_time(tim, tf_base, current_time());
cli_msg(-1011, "Router ID is %R", config->router_id);
cli_msg(-1011, "Hostname is %s", config->hostname);
cli_msg(-1011, "Current server time is %s", tim);
tm_format_time(tim, tf_base, boot_time);
cli_msg(-1011, "Last reboot on %s", tim);
tm_format_time(tim, tf_base, config->load_time);
cli_msg(-1011, "Last reconfiguration on %s", tim);
graceful_restart_show_status();
if (shutting_down)
cli_msg(13, "Shutdown in progress");
else if (configuring)
cli_msg(13, "Reconfiguration in progress");
else
cli_msg(13, "Daemon is up and running");
}
void
cmd_show_symbols(struct sym_show_data *sd)
{
if (sd->sym)
cli_msg(1010, "%-8s\t%s", sd->sym->name, cf_symbol_class_name(sd->sym));
else
{
for (const struct sym_scope *scope = config->root_scope; scope; scope = scope->next)
HASH_WALK(scope->hash, next, sym)
{
if (!sym->scope->active)
continue;
if (sd->type && (sym->class != sd->type))
continue;
cli_msg(-1010, "%-8s\t%s", sym->name, cf_symbol_class_name(sym));
}
HASH_WALK_END;
cli_msg(0, "");
}
}
#define SIZE_SUFFIX " kMGT"
#define SIZE_FORMAT "% 4u.%1u % 1cB"
#define SIZE_ARGS(a) (a).val, (a).decimal, SIZE_SUFFIX[(a).magnitude]
struct size_args {
u64 val:48;
u64 decimal:8;
u64 magnitude:8;
};
static struct size_args
get_size_args(u64 val)
{
#define VALDEC 10 /* One decimal place */
val *= VALDEC;
uint i = 0;
while ((val >= 10000 * VALDEC) && (i < 4))
{
val = (val + 512) / 1024;
i++;
}
return (struct size_args) {
.val = (val / VALDEC),
.decimal = (val % VALDEC),
.magnitude = i,
};
}
static void
print_size(char *dsc, struct resmem vals)
{
struct size_args effective = get_size_args(vals.effective);
struct size_args overhead = get_size_args(vals.overhead);
cli_msg(-1018, "%-17s " SIZE_FORMAT " " SIZE_FORMAT, dsc, SIZE_ARGS(effective), SIZE_ARGS(overhead));
}
extern pool *rt_table_pool;
extern pool *rta_pool;
extern uint *pages_kept;
void
cmd_show_memory(void)
{
cli_msg(-1018, "BIRD memory usage");
cli_msg(-1018, "%-17s Effective Overhead", "");
print_size("Routing tables:", rmemsize(rt_table_pool));
print_size("Route attributes:", rmemsize(rta_pool));
print_size("Protocols:", rmemsize(proto_pool));
print_size("Current config:", rmemsize(config_pool));
struct resmem total = rmemsize(&root_pool);
#ifdef HAVE_MMAP
print_size("Standby memory:", (struct resmem) { .overhead = page_size * *pages_kept });
total.overhead += page_size * *pages_kept;
#endif
print_size("Total:", total);
cli_msg(0, "");
}
void
cmd_eval(const struct f_line *expr)
{
buffer buf;
LOG_BUFFER_INIT(buf);
if (f_eval_buf(expr, this_cli->parser_pool, &buf) > F_RETURN)
{
cli_msg(8008, "runtime error");
return;
}
cli_msg(23, "%s", buf.start);
}