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78 lines
2.1 KiB
C
78 lines
2.1 KiB
C
/*
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* BIRD Internet Routing Daemon -- Command-Line Interface
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*
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* (c) 1999--2000 Martin Mares <mj@ucw.cz>
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*
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* Can be freely distributed and used under the terms of the GNU GPL.
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*/
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#ifndef _BIRD_CLI_H_
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#define _BIRD_CLI_H_
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#include "lib/resource.h"
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#include "lib/event.h"
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#define CLI_RX_BUF_SIZE 4096
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#define CLI_TX_BUF_SIZE 4096
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#define CLI_MAX_ASYNC_QUEUE 4096
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struct cli_out {
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struct cli_out *next;
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byte *wpos, *outpos, *end;
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byte buf[0];
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};
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typedef struct cli {
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node n; /* Node in list of all log hooks */
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pool *pool;
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void *priv; /* Private to sysdep layer */
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byte *rx_buf, *rx_pos, *rx_aux; /* sysdep */
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struct cli_out *tx_buf, *tx_pos, *tx_write;
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event *event;
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void (*cont)(struct cli *c);
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void (*cleanup)(struct cli *c);
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void *rover; /* Private to continuation routine */
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int last_reply;
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int restricted; /* CLI is restricted to read-only commands */
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struct linpool *parser_pool; /* Pool used during parsing */
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byte *ring_buf; /* Ring buffer for asynchronous messages */
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byte *ring_end, *ring_read, *ring_write; /* Pointers to the ring buffer */
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unsigned int ring_overflow; /* Counter of ring overflows */
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unsigned int log_mask; /* Mask of allowed message levels */
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unsigned int log_threshold; /* When free < log_threshold, store only important messages */
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unsigned int async_msg_size; /* Total size of async messages queued in tx_buf */
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} cli;
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extern pool *cli_pool;
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extern struct cli *this_cli; /* Used during parsing */
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/* Functions to be called by command handlers */
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void cli_printf(cli *, int, char *, ...);
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#define cli_msg(x...) cli_printf(this_cli, x)
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void cli_set_log_echo(cli *, unsigned int mask, unsigned int size);
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/* Functions provided to sysdep layer */
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cli *cli_new(void *);
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void cli_init(void);
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void cli_free(cli *);
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void cli_kick(cli *);
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void cli_written(cli *);
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void cli_echo(unsigned int class, byte *msg);
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static inline int cli_access_restricted(void)
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{
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if (this_cli && this_cli->restricted)
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return (cli_printf(this_cli, 8007, "Access denied"), 1);
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else
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return 0;
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}
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/* Functions provided by sysdep layer */
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void cli_write_trigger(cli *);
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int cli_get_command(cli *);
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#endif
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