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/** @file
* Header for rmtab.c.
*/
/*
* Author: Lon H. Hohberger <lhh at redhat.com>
*/
#ifndef _RMTAB_H
#define _RMTAB_H
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <stdint.h>
/* Shamelessly ripped from nfs-utils */
#ifndef MAXHOSTNAMELEN
#define MAXHOSTNAMELEN 64
#endif
#ifndef _PATH_RMTAB
#define _PATH_RMTAB "/var/lib/nfs/rmtab"
#endif
/* private types */
#ifndef MSG_RMTAB_UPDATE
#define MSG_RMTAB_UPDATE 978
#endif
#ifndef MSG_RMTAB_BOOT
#define MSG_RMTAB_BOOT 603
#endif
/* Just a mem-size trim for now */
#define __MAXPATHLEN 1024
/**
* rmtab node list entry.
*
* This contains all the information necessary to reconstruct a line in
* /var/lib/nfs/rmtab.
*/
typedef struct _rmtab_node {
struct _rmtab_node *rn_next; /**< Next pointer */
char *rn_hostname; /**< Mount entry hostname */
char *rn_path; /**< Export mounted */
uint32_t rn_count; /**< Number of times export is
mounted. */
} rmtab_node;
/*
* list addition (insert)
*/
int __rmtab_insert(rmtab_node **head, rmtab_node *rnew);
rmtab_node *rmtab_insert(rmtab_node **head, rmtab_node *pre, char *host,
char *path, int count);
/*
* list deletion/removal/etc.
*/
rmtab_node *__rmtab_remove(rmtab_node **head, rmtab_node *entry);
rmtab_node *rmtab_remove(rmtab_node **head, char *host, char *path);
void rmtab_kill(rmtab_node **head);
/*
* diff/merge functions
*/
int rmtab_diff(rmtab_node *old, rmtab_node *new, rmtab_node **diff);
int rmtab_merge(rmtab_node **head, rmtab_node *patch);
/*
* Read/write/import/export...
*/
int rmtab_import(rmtab_node **head, FILE *fp);
int rmtab_export(rmtab_node *head, FILE *fp);
int rmtab_read(rmtab_node **head, char *filename);
int rmtab_write_atomic(rmtab_node *head, char *filename);
/*
* Translation to/from network block [array] style
*/
int rmtab_pack(char *dest, rmtab_node *head);
int rmtab_unpack(rmtab_node **dest, char *src, size_t srclen);
/*
* utility functions
*/
int rmtab_cmp_min(rmtab_node *left, rmtab_node *right);
int rmtab_cmp(rmtab_node *left, rmtab_node *right);
size_t rmtab_pack_size(rmtab_node *head);
int rmtab_move(rmtab_node **dest, rmtab_node **src);
/*
* DEBUG junk
*/
#ifdef DEBUG
int rmtab_dump(rmtab_node *head);
#endif
#endif
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