Disk caches
Cover cache
Helper function to write (rename) a file to the cover cache. The source file must be on the same filesystem as the cache directory (default: /var/cache/mympd/cover).
local rc, name = mympd.cache_cover_write(src, uri)
Parameters:
| PARAMETER | TYPE | DESCRIPTION |
|---|---|---|
| src | string | Source file to rename. |
| uri | string | Uri to write the cover cache for. |
Returns:
| FIELD | TYPE | DESCRIPTION |
|---|---|---|
| rc | integer | 0 = success, 1 = error |
| name | string | written filename |
Lyrics cache
Helper function to write a entry (file) to the lyrics cache (default: /var/cache/mympd/lyrics).
local rc, name = mympd.mympd.cache_lyrics_write(str, uri)
Parameters:
| PARAMETER | TYPE | DESCRIPTION |
|---|---|---|
| str | string | String to save (it must be a valid lyrics json string) |
| uri | string | Uri to write the lyrics cache for. |
Returns:
| FIELD | TYPE | DESCRIPTION |
|---|---|---|
| rc | integer | 0 = success, 1 = error |
| name | string | written filename |
Thumbs cache
Helper function to write (rename) a file to the thumbs cache. The source file must be on the same filesystem as the cache directory (default: /var/cache/mympd/thumbs).
local rc, name = mympd.cache_thumbs_write(src, value)
Parameters:
| PARAMETER | TYPE | DESCRIPTION |
|---|---|---|
| src | string | Source file to rename. |
| value | string | Tag value to write the thumbs cache for. |
Returns:
| FIELD | TYPE | DESCRIPTION |
|---|---|---|
| rc | integer | 0 = success, 1 = error |
| name | string | written filename |
Temporary files
Generates a random tmp filename for the misc cache (default: /var/cache/mympd/misc/XXXXXXXXXX).
local tmp_file = mympd.tmp_file()
Modification time
Updates the timestamp of a file.
local rc = mympd.mympd_caches_update_mtime(filename)
if rc == 1 then
mympd.log(4, "Failure changing modification time of " .. filename)
fi