0
0
mirror of https://gitlab.nic.cz/labs/bird.git synced 2024-12-22 09:41:54 +00:00
bird/nest/cli.h
Maria Matejka 6e940c259d CLI: show threads all crash fixed
When socket dropped before finished, it failed to cleanup.
2024-12-12 15:00:26 +01:00

115 lines
3.0 KiB
C

/*
* BIRD Internet Routing Daemon -- Command-Line Interface
*
* (c) 1999--2000 Martin Mares <mj@ucw.cz>
*
* Can be freely distributed and used under the terms of the GNU GPL.
*/
#ifndef _BIRD_CLI_H_
#define _BIRD_CLI_H_
#include "lib/resource.h"
#include "lib/lists.h"
#include "lib/event.h"
#include "lib/timer.h"
#include "lib/tlists.h"
#include "conf/conf.h"
#define CLI_RX_BUF_SIZE 4096
#define CLI_TX_BUF_SIZE 4096
#define CLI_MAX_ASYNC_QUEUE 4096
#define CLI_MSG_SIZE 500
#define CLI_LINE_SIZE 512
struct cli_out {
struct cli_out *next;
byte *wpos, *outpos, *end;
byte buf[0];
};
typedef struct cli {
node n; /* Node in list of all log hooks */
pool *pool;
struct birdsock *sock; /* Underlying socket */
byte *rx_buf, *rx_pos; /* sysdep */
struct cli_out *tx_buf, *tx_pos, *tx_write;
event *event;
void (*cont)(struct cli *c);
bool (*cleanup)(struct cli *c); /* The CLI has closed prematurely; if done, return true,
otherwise return false and call rp_free(c->pool) later yourself.
The socket is closed anyway, tho. */
void *rover; /* Private to continuation routine */
struct config *main_config; /* Main config currently in use */
int last_reply;
int restricted; /* CLI is restricted to read-only commands */
struct timeformat *tf; /* Time format override */
struct linpool *parser_pool; /* Pool used during parsing */
uint log_mask; /* Mask of allowed message levels */
uint log_threshold; /* When free < log_threshold, store only important messages */
uint async_msg_size; /* Total size of async messages queued in tx_buf */
} cli;
struct cli_config {
#define TLIST_PREFIX cli_config
#define TLIST_TYPE struct cli_config
#define TLIST_ITEM n
#define TLIST_DEFINED_BEFORE
#define TLIST_WANT_ADD_TAIL
#define TLIST_WANT_WALK
TLIST_DEFAULT_NODE;
const char *name;
struct config *config;
uint uid, gid, mode;
_Bool restricted;
};
#include "lib/tlists.h"
void cli_config_listen(struct cli_config *, const char *);
extern pool *cli_pool;
extern struct cli *this_cli; /* Used during parsing */
#define CLI_ASYNC_CODE 10000
/* Functions to be called by command handlers */
void cli_vprintf(cli *, int, const char *, va_list);
static inline void cli_printf(cli *cli, int code, const char *fmt, ...)
{
va_list args;
va_start(args, fmt);
cli_vprintf(cli, code, fmt, args);
va_end(args);
}
#define cli_msg(x...) cli_printf(this_cli, x)
void cli_set_timeformat(cli *c, const struct timeformat tf);
static inline void cli_separator(cli *c)
{ if (c->last_reply) cli_printf(c, -c->last_reply, ""); };
/* Functions provided to sysdep layer */
cli *cli_new(struct birdsock *, struct cli_config *);
void cli_init(void);
void cli_free(cli *);
void cli_kick(cli *);
void cli_written(cli *);
static inline int cli_access_restricted(void)
{
if (this_cli && this_cli->restricted)
return (cli_printf(this_cli, 8007, "Access denied"), 1);
else
return 0;
}
/* Functions provided by sysdep layer */
void cli_write_trigger(cli *);
int cli_get_command(cli *);
#endif