73 lines
2.1 KiB
Rust
73 lines
2.1 KiB
Rust
mod email;
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pub use email::*;
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mod parse_mtx_status;
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pub use parse_mtx_status::*;
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mod mtx_wrapper;
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pub use mtx_wrapper::*;
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mod mtx;
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pub use mtx::*;
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use anyhow::Error;
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/// Interface to media change devices
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pub trait MediaChange {
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/// Returns the changer status
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fn status(&mut self) -> Result<MtxStatus, Error>;
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/// Load media from storage slot into drive
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fn load_media_from_slot(&mut self, slot: u64) -> Result<(), Error>;
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/// Load media by changer-id into drive
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///
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/// This unloads first if the drive is already loaded with another media.
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///
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/// Note: This refuses to load media inside import/export slots.
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fn load_media(&mut self, changer_id: &str) -> Result<(), Error>;
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/// Unload media from drive
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///
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/// This is a nop on drives without autoloader.
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fn unload_media(&mut self, target_slot: Option<u64>) -> Result<(), Error>;
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/// Returns true if unload_media automatically ejects drive media
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fn eject_on_unload(&self) -> bool {
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false
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}
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/// List online media changer IDs (barcodes)
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///
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/// List acessible (online) changer IDs. This does not include
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/// media inside import-export slots or cleaning media.
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fn online_media_changer_ids(&mut self) -> Result<Vec<String>, Error> {
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let status = self.status()?;
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let mut list = Vec::new();
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for drive_status in status.drives.iter() {
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if let ElementStatus::VolumeTag(ref tag) = drive_status.status {
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list.push(tag.clone());
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}
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}
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for (import_export, element_status) in status.slots.iter() {
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if *import_export { continue; }
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if let ElementStatus::VolumeTag(ref tag) = element_status {
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if tag.starts_with("CLN") { continue; }
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list.push(tag.clone());
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}
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}
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Ok(list)
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}
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/// Load/Unload cleaning cartridge
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///
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/// This fail if there is no cleaning cartridge online. Any media
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/// inside the drive is automatically unloaded.
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fn clean_drive(&mut self) -> Result<(), Error>;
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}
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