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Mount

adk_rust::code::embedded_python::monty_fs

Struct Mount 

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pub struct Mount { /* private fields */ }
Available on crate features code and embedded-python only.
Expand description

A single mount point mapping a virtual path to a host directory.

Owns the MountMode which includes overlay state for MountMode::OverlayMemory mounts. It can be constructed before its table and transferred into it with MountTable::push_mount.

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impl Mount

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pub fn new( virtual_path: &str, host_path: impl AsRef<Path>, mode: MountMode, write_bytes_limit: Option<u64>, ) -> Result<Mount, MountError>

Creates a new mount point, canonicalizing the host path. Mount memory defaults to DEFAULT_MEMORY_USAGE_LIMIT.

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Returns MountError::InvalidMount if the virtual path is not absolute, or the host path doesn’t exist or isn’t a directory.

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pub fn virtual_path(&self) -> &str

Returns the normalized virtual path prefix for this mount.

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pub fn host_path(&self) -> &Path

Returns the canonical host directory path.

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pub fn mode(&self) -> &MountMode

Returns the access mode for this mount.

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pub fn write_bytes_limit(&self) -> Option<u64>

Returns the optional write bytes limit for this mount.

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pub fn memory_usage_limit(&self) -> u64

Returns the aggregate mount memory budget.

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pub fn with_memory_usage_limit(self, limit: u64) -> Mount

Overrides the aggregate mount memory budget.

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pub fn memory_usage(&self) -> u64

Returns memory currently retained by this mount’s overlay.

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pub fn write_bytes_used(&self) -> u64

Returns the cumulative number of bytes written through this mount.

Trait Implementations§

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impl Debug for Mount

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

Formats the value using the given formatter. Read more

Auto Trait Implementations§

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impl Freeze for Mount

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impl RefUnwindSafe for Mount

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impl Send for Mount

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impl Sync for Mount

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impl Unpin for Mount

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impl UnsafeUnpin for Mount

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impl UnwindSafe for Mount

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