/*
 * Copyright (C) Starfields
 */

#include <ngx_http.h>

#ifndef NGX_HTTP_DAV_EXT_CONF_H
#define NGX_HTTP_DAV_EXT_CONF_H


typedef struct {
  ngx_str_t uri;
  ngx_str_t name;
  time_t mtime;
  off_t size;

  time_t lock_expire;
  ngx_str_t lock_root;
  uint32_t lock_token;

  unsigned dir : 1;
  unsigned lock_supported : 1;
  unsigned lock_infinite : 1;
} ngx_http_dav_ext_entry_t;


typedef struct {
  ngx_queue_t queue;
} ngx_http_dav_ext_lock_sh_t;


typedef struct {
  time_t timeout;
  ngx_slab_pool_t *shpool;
  ngx_http_dav_ext_lock_sh_t *sh;
} ngx_http_dav_ext_lock_t;


typedef struct {
  ngx_queue_t queue;
  uint32_t token;
  time_t expire;
  ngx_uint_t infinite; /* unsigned  infinite:1; */
  size_t len;
  u_char data[1];
} ngx_http_dav_ext_node_t;


ngx_int_t
ngx_http_dav_delete_path(ngx_http_request_t *r, ngx_str_t *path, ngx_uint_t dir);
ngx_int_t ensure_trailing_slash(ngx_http_request_t *r, ngx_str_t *uri);
ngx_int_t ngx_http_dav_depth(ngx_http_request_t *r,
                                        ngx_int_t default_depth);
ngx_int_t ngx_http_dav_ext_depth(ngx_http_request_t *r,
                                        ngx_int_t default_depth);
ngx_int_t ngx_http_dav_location(ngx_http_request_t *r);
ngx_int_t
ngx_http_dav_error(ngx_log_t *log, ngx_err_t err, ngx_int_t not_found,
    char *failed, u_char *path);
uint32_t ngx_http_dav_ext_if(ngx_http_request_t *r, ngx_str_t *uri);
ngx_http_dav_ext_node_t *
ngx_http_dav_ext_lock_lookup(ngx_http_request_t *r,
                             ngx_http_dav_ext_lock_t *lock, ngx_str_t *uri,
                             ngx_int_t depth);
ngx_int_t ngx_http_dav_ext_set_locks(ngx_http_request_t *r,
                                            ngx_http_dav_ext_entry_t *entry);
uintptr_t
ngx_http_dav_ext_format_lockdiscovery(ngx_http_request_t *r, u_char *dst,
                                      ngx_http_dav_ext_entry_t *entry);
uintptr_t ngx_http_dav_ext_format_token(u_char *dst, uint32_t token,
                                               ngx_uint_t brackets);
ngx_int_t ngx_http_dav_ext_strip_uri(ngx_http_request_t *r,
                                            ngx_str_t *uri);
ngx_int_t
ngx_http_dav_noop(ngx_tree_ctx_t *ctx, ngx_str_t *path);


#endif