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mirror of https://gitlab.nic.cz/labs/bird.git synced 2024-11-13 22:58:42 +00:00
bird/nest/cmds.c
Maria Matejka df338396cd Conf: Symbol hashes for all scopes
This is a backport cherry-pick of commits
  165156beeb
  cce974e8ea

from the v3.0 branch as we need symbol hashes directly inside their
scopes for more general usage than before.

The redefinable keywords must be specified in any .Y file as follows:

  toksym: THE_KEYWORD ;
2023-06-09 13:49:31 +02:00

146 lines
3.4 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)
{
byte tim[TM_DATETIME_BUFFER_SIZE];
cli_msg(-1000, "BIRD " BIRD_VERSION);
tm_format_time(tim, &config->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, &config->tf_base, boot_time);
cli_msg(-1011, "Last reboot on %s", tim);
tm_format_time(tim, &config->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);
}