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#ifndef _VTY_H
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#define _VTY_H
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#include <stdio.h>
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#include <stdarg.h>
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/* GCC have printf type attribute check. */
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#ifdef __GNUC__
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#define PRINTF_ATTRIBUTE(a,b) __attribute__ ((__format__ (__printf__, a, b)))
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#else
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#define PRINTF_ATTRIBUTE(a,b)
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#endif /* __GNUC__ */
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/* Does the I/O error indicate that the operation should be retried later? */
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#define ERRNO_IO_RETRY(EN) \
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(((EN) == EAGAIN) || ((EN) == EWOULDBLOCK) || ((EN) == EINTR))
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/* Vty read buffer size. */
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#define VTY_READ_BUFSIZ 512
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#define VTY_BUFSIZ 512
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#define VTY_MAXHIST 20
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struct vty {
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FILE *file;
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/* File descripter of this vty. */
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int fd;
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/* Is this vty connect to file or not */
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enum { VTY_TERM, VTY_FILE, VTY_SHELL, VTY_SHELL_SERV } type;
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/* Node status of this vty */
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int node;
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/* Failure count */
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int fail;
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/* Output buffer. */
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struct buffer *obuf;
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/* Command input buffer */
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char *buf;
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/* Command cursor point */
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int cp;
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/* Command length */
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int length;
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/* Command max length. */
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int max;
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/* Histry of command */
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char *hist[VTY_MAXHIST];
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/* History lookup current point */
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int hp;
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/* History insert end point */
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int hindex;
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/* For current referencing point of interface, route-map,
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access-list etc... */
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void *index;
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/* For multiple level index treatment such as key chain and key. */
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void *index_sub;
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/* For escape character. */
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unsigned char escape;
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/* Current vty status. */
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enum { VTY_NORMAL, VTY_CLOSE, VTY_MORE, VTY_MORELINE } status;
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/* Window width/height. */
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int width;
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int height;
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/* Configure lines. */
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int lines;
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int monitor;
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/* In configure mode. */
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int config;
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};
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/* Small macro to determine newline is newline only or linefeed needed. */
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#define VTY_NEWLINE ((vty->type == VTY_TERM) ? "\r\n" : "\n")
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static inline char *vty_newline(struct vty *vty)
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{
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return VTY_NEWLINE;
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}
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/* Prototypes. */
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void vty_init (void);
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void vty_init_vtysh (void);
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void vty_reset (void);
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struct vty *vty_new (void);
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struct vty *vty_create (int vty_sock);
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int vty_out (struct vty *, const char *, ...) PRINTF_ATTRIBUTE(2, 3);
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int vty_out_newline(struct vty *);
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int vty_read(struct vty *vty);
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void vty_read_config (char *, char *);
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void vty_time_print (struct vty *, int);
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void vty_close (struct vty *);
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char *vty_get_cwd (void);
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void vty_log (const char *level, const char *proto, const char *fmt, va_list);
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int vty_config_lock (struct vty *);
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int vty_config_unlock (struct vty *);
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int vty_shell (struct vty *);
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int vty_shell_serv (struct vty *);
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void vty_hello (struct vty *);
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#endif
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