Struct gdal_sys::VSIFilesystemPluginCallbacksStruct

#[repr(C)]
pub struct VSIFilesystemPluginCallbacksStruct {

    pub pUserData: *mut c_void,
    pub stat: VSIFilesystemPluginStatCallback,
    pub unlink: VSIFilesystemPluginUnlinkCallback,
    pub rename: VSIFilesystemPluginRenameCallback,
    pub mkdir: VSIFilesystemPluginMkdirCallback,
    pub rmdir: VSIFilesystemPluginRmdirCallback,
    pub read_dir: VSIFilesystemPluginReadDirCallback,
    pub open: VSIFilesystemPluginOpenCallback,
    pub tell: VSIFilesystemPluginTellCallback,
    pub seek: VSIFilesystemPluginSeekCallback,
    pub read: VSIFilesystemPluginReadCallback,
    pub read_multi_range: VSIFilesystemPluginReadMultiRangeCallback,
    pub get_range_status: VSIFilesystemPluginGetRangeStatusCallback,
    pub eof: VSIFilesystemPluginEofCallback,
    pub write: VSIFilesystemPluginWriteCallback,
    pub flush: VSIFilesystemPluginFlushCallback,
    pub truncate: VSIFilesystemPluginTruncateCallback,
    pub close: VSIFilesystemPluginCloseCallback,
    pub nBufferSize: usize,
    pub nCacheSize: usize,
    pub sibling_files: VSIFilesystemPluginSiblingFilesCallback,
    pub advise_read: VSIFilesystemPluginAdviseReadCallback,
}

struct containing callbacks to used by the handler. (rw), (r), (w) or () at the end indicate whether the given callback is mandatory for reading and or writing handlers. A (?) indicates that the callback might be mandatory for certain drivers only. @since GDAL 3.0

Fields

pUserData: *mut c_void

Optional opaque pointer passed back to filemanager callbacks (e.g. open, stat, rmdir)

stat: VSIFilesystemPluginStatCallback

< stat handle by name (rw)

unlink: VSIFilesystemPluginUnlinkCallback

< unlink handle by name ()

rename: VSIFilesystemPluginRenameCallback

< rename handle ()

mkdir: VSIFilesystemPluginMkdirCallback

< make directory ()

rmdir: VSIFilesystemPluginRmdirCallback

< remove directory ()

read_dir: VSIFilesystemPluginReadDirCallback

< list directory content (r?)

open: VSIFilesystemPluginOpenCallback

< open handle by name (rw)

tell: VSIFilesystemPluginTellCallback

< get current position of handle (rw)

seek: VSIFilesystemPluginSeekCallback

< set current position of handle (rw)

read: VSIFilesystemPluginReadCallback

< read from current position (r)

read_multi_range: VSIFilesystemPluginReadMultiRangeCallback

< read multiple blocks ()

get_range_status: VSIFilesystemPluginGetRangeStatusCallback

< get range status ()

eof: VSIFilesystemPluginEofCallback

< has end of file been reached (r?)

write: VSIFilesystemPluginWriteCallback

< write bytes to current position (w)

flush: VSIFilesystemPluginFlushCallback

< sync bytes (w)

truncate: VSIFilesystemPluginTruncateCallback

< truncate handle (w?)

close: VSIFilesystemPluginCloseCallback

< close handle (rw)

nBufferSize: usize

< buffer small reads (makes handler read only)

nCacheSize: usize

< max mem to use per file when buffering

sibling_files: VSIFilesystemPluginSiblingFilesCallback

< list related files

advise_read: VSIFilesystemPluginAdviseReadCallback

< AdviseRead()

Trait Implementations

impl Clone for VSIFilesystemPluginCallbacksStruct

fn clone(&self) -> VSIFilesystemPluginCallbacksStruct

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for VSIFilesystemPluginCallbacksStruct

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Copy for VSIFilesystemPluginCallbacksStruct