Line data    Source code

       1             : /* SPDX-License-Identifier: LGPL-2.1+ */
       2             : #pragma once
       3             : 
       4             : typedef struct Path Path;
       5             : typedef struct PathSpec PathSpec;
       6             : 
       7             : #include "unit.h"
       8             : 
       9             : typedef enum PathType {
      10             :         PATH_EXISTS,
      11             :         PATH_EXISTS_GLOB,
      12             :         PATH_DIRECTORY_NOT_EMPTY,
      13             :         PATH_CHANGED,
      14             :         PATH_MODIFIED,
      15             :         _PATH_TYPE_MAX,
      16             :         _PATH_TYPE_INVALID = -1
      17             : } PathType;
      18             : 
      19             : typedef struct PathSpec {
      20             :         Unit *unit;
      21             : 
      22             :         char *path;
      23             : 
      24             :         sd_event_source *event_source;
      25             : 
      26             :         LIST_FIELDS(struct PathSpec, spec);
      27             : 
      28             :         PathType type;
      29             :         int inotify_fd;
      30             :         int primary_wd;
      31             : 
      32             :         bool previous_exists;
      33             : } PathSpec;
      34             : 
      35             : int path_spec_watch(PathSpec *s, sd_event_io_handler_t handler);
      36             : void path_spec_unwatch(PathSpec *s);
      37             : int path_spec_fd_event(PathSpec *s, uint32_t events);
      38             : void path_spec_done(PathSpec *s);
      39             : 
      40           6 : static inline bool path_spec_owns_inotify_fd(PathSpec *s, int fd) {
      41           6 :         return s->inotify_fd == fd;
      42             : }
      43             : 
      44             : typedef enum PathResult {
      45             :         PATH_SUCCESS,
      46             :         PATH_FAILURE_RESOURCES,
      47             :         PATH_FAILURE_START_LIMIT_HIT,
      48             :         _PATH_RESULT_MAX,
      49             :         _PATH_RESULT_INVALID = -1
      50             : } PathResult;
      51             : 
      52             : struct Path {
      53             :         Unit meta;
      54             : 
      55             :         LIST_HEAD(PathSpec, specs);
      56             : 
      57             :         PathState state, deserialized_state;
      58             : 
      59             :         bool inotify_triggered;
      60             : 
      61             :         bool make_directory;
      62             :         mode_t directory_mode;
      63             : 
      64             :         PathResult result;
      65             : };
      66             : 
      67             : void path_free_specs(Path *p);
      68             : 
      69             : extern const UnitVTable path_vtable;
      70             : 
      71             : const char* path_type_to_string(PathType i) _const_;
      72             : PathType path_type_from_string(const char *s) _pure_;
      73             : 
      74             : const char* path_result_to_string(PathResult i) _const_;
      75             : PathResult path_result_from_string(const char *s) _pure_;
      76             : 
      77         122 : DEFINE_CAST(PATH, Path);