librpc/idl/notify.idl

   1 #include "idl_types.h"
   2
   3 import "file_id.idl", "server_id.idl";
   4
   5 /*
   6    IDL structures for notify change code
   7
   8    this defines the structures used in the notify database code, and
   9    the change notify buffers
  10 */
  11
  12 [
  13   pointer_default(unique)
  14 ]
  15 interface notify
  16 {
  17
  18         /* structure used in the notify database */
  19         typedef [public] struct {
  20                 server_id server;
  21                 uint32 filter; /* filter to apply in this directory */
  22                 uint32 subdir_filter; /* filter to apply in child directories */
  23                 uint32 dir_fd;   /* fd of open directory */
  24                 file_id dir_id;  /* file_id of open directory */
  25                 utf8string path;
  26                 uint32 path_len; /* saves some computation on search */
  27                 pointer private_data;
  28         } notify_entry;
  29
  30         typedef [public] struct {
  31                 uint32 num_entries;
  32                 notify_entry entries[num_entries];
  33         } notify_entry_array;
  34
  35         /*
  36           to allow for efficient search for matching entries, we
  37           divide them by the directory depth, with a separate array
  38           per depth. The entries within each depth are sorted by path,
  39           allowing for a bisection search.
  40
  41           The max_mask and max_mask_subdir at each depth is the
  42           bitwise or of the filters and subdir filters for all entries
  43           at that depth. This allows a depth to be quickly skipped if
  44           no entries will match the target filter
  45         */
  46         typedef struct {
  47                 uint32 max_mask;
  48                 uint32 max_mask_subdir;
  49                 uint32 num_entries;
  50                 notify_entry entries[num_entries];
  51         } notify_depth;
  52
  53         typedef [public] struct {
  54                 uint32 num_depths;
  55                 notify_depth depth[num_depths];
  56         } notify_array;
  57
  58         /* structure sent between servers in notify messages */
  59         typedef [public] struct {
  60                 uint32 action;
  61                 utf8string path;
  62                 pointer private_data;
  63         } notify_event;
  64
  65         typedef [v1_enum] enum {
  66                 FILE_ACTION_ADDED               = 0x00000001,
  67                 FILE_ACTION_REMOVED             = 0x00000002,
  68                 FILE_ACTION_MODIFIED            = 0x00000003,
  69                 FILE_ACTION_RENAMED_OLD_NAME    = 0x00000004,
  70                 FILE_ACTION_RENAMED_NEW_NAME    = 0x00000005,
  71                 FILE_ACTION_ADDED_STREAM        = 0x00000006,
  72                 FILE_ACTION_REMOVED_STREAM      = 0x00000007,
  73                 FILE_ACTION_MODIFIED_STREAM     = 0x00000008
  74         } FILE_NOTIFY_ACTION;
  75
  76         /* structure sent at the CIFS layer */
  77         /* Align on 4-byte boundary according to MS-CIFS 2.2.7.4.2 */
  78         typedef [public,gensize,flag(NDR_ALIGN4)] struct {
  79                 uint32 NextEntryOffset;
  80                 FILE_NOTIFY_ACTION Action;
  81                 [value(strlen_m(FileName1)*2)] uint32 FileNameLength;
  82                 [charset(UTF16),flag(STR_NOTERM)] uint16 FileName1[FileNameLength];
  83         } FILE_NOTIFY_INFORMATION;
  84 }