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267 lines
9.3 KiB
Rust
267 lines
9.3 KiB
Rust
use std::io;
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use std::path::PathBuf;
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use async_trait::async_trait;
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use distant_core_protocol::*;
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mod checker;
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mod ctx;
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mod unsupported;
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pub use checker::*;
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pub use ctx::*;
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pub use unsupported::*;
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/// Full API that represents a distant-compatible server.
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#[async_trait]
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pub trait Api: Send + Sync {
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/// Specific implementation of [`FileSystemApi`] associated with this [`Api`].
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type FileSystem: FileSystemApi;
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/// Specific implementation of [`ProcessApi`] associated with this [`Api`].
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type Process: ProcessApi;
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/// Specific implementation of [`SearchApi`] associated with this [`Api`].
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type Search: SearchApi;
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/// Specific implementation of [`SystemInfoApi`] associated with this [`Api`].
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type SystemInfo: SystemInfoApi;
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/// Specific implementation of [`VersionApi`] associated with this [`Api`].
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type Version: VersionApi;
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/// Specific implementation of [`WatchApi`] associated with this [`Api`].
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type Watch: WatchApi;
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/// Returns a reference to the [`FileSystemApi`] implementation tied to this [`Api`].
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fn file_system(&self) -> &Self::FileSystem;
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/// Returns a reference to the [`ProcessApi`] implementation tied to this [`Api`].
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fn process(&self) -> &Self::Process;
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/// Returns a reference to the [`SearchApi`] implementation tied to this [`Api`].
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fn search(&self) -> &Self::Search;
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/// Returns a reference to the [`SystemInfoApi`] implementation tied to this [`Api`].
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fn system_info(&self) -> &Self::SystemInfo;
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/// Returns a reference to the [`VersionApi`] implementation tied to this [`Api`].
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fn version(&self) -> &Self::Version;
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/// Returns a reference to the [`WatchApi`] implementation tied to this [`Api`].
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fn watch(&self) -> &Self::Watch;
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}
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/// API supporting filesystem operations.
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#[async_trait]
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pub trait FileSystemApi: Send + Sync {
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/// Reads bytes from a file.
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///
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/// * `path` - the path to the file
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async fn read_file(&self, ctx: Box<dyn Ctx>, path: PathBuf) -> io::Result<Vec<u8>>;
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/// Reads bytes from a file as text.
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///
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/// * `path` - the path to the file
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async fn read_file_text(&self, ctx: Box<dyn Ctx>, path: PathBuf) -> io::Result<String>;
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/// Writes bytes to a file, overwriting the file if it exists.
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///
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/// * `path` - the path to the file
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/// * `data` - the data to write
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async fn write_file(&self, ctx: Box<dyn Ctx>, path: PathBuf, data: Vec<u8>) -> io::Result<()>;
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/// Writes text to a file, overwriting the file if it exists.
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///
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/// * `path` - the path to the file
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/// * `data` - the data to write
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async fn write_file_text(
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&self,
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ctx: Box<dyn Ctx>,
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path: PathBuf,
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data: String,
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) -> io::Result<()>;
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/// Writes bytes to the end of a file, creating it if it is missing.
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///
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/// * `path` - the path to the file
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/// * `data` - the data to append
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async fn append_file(&self, ctx: Box<dyn Ctx>, path: PathBuf, data: Vec<u8>) -> io::Result<()>;
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/// Writes bytes to the end of a file, creating it if it is missing.
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///
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/// * `path` - the path to the file
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/// * `data` - the data to append
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async fn append_file_text(
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&self,
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ctx: Box<dyn Ctx>,
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path: PathBuf,
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data: String,
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) -> io::Result<()>;
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/// Reads entries from a directory.
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///
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/// * `path` - the path to the directory
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/// * `depth` - how far to traverse the directory, 0 being unlimited
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/// * `absolute` - if true, will return absolute paths instead of relative paths
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/// * `canonicalize` - if true, will canonicalize entry paths before returned
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/// * `include_root` - if true, will include the directory specified in the entries
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async fn read_dir(
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&self,
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ctx: Box<dyn Ctx>,
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path: PathBuf,
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depth: usize,
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absolute: bool,
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canonicalize: bool,
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include_root: bool,
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) -> io::Result<(Vec<DirEntry>, Vec<io::Error>)>;
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/// Creates a directory.
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///
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/// * `path` - the path to the directory
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/// * `all` - if true, will create all missing parent components
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async fn create_dir(&self, ctx: Box<dyn Ctx>, path: PathBuf, all: bool) -> io::Result<()>;
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/// Copies some file or directory.
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///
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/// * `src` - the path to the file or directory to copy
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/// * `dst` - the path where the copy will be placed
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async fn copy(&self, ctx: Box<dyn Ctx>, src: PathBuf, dst: PathBuf) -> io::Result<()>;
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/// Removes some file or directory.
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///
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/// * `path` - the path to a file or directory
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/// * `force` - if true, will remove non-empty directories
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async fn remove(&self, ctx: Box<dyn Ctx>, path: PathBuf, force: bool) -> io::Result<()>;
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/// Renames some file or directory.
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///
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/// * `src` - the path to the file or directory to rename
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/// * `dst` - the new name for the file or directory
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async fn rename(&self, ctx: Box<dyn Ctx>, src: PathBuf, dst: PathBuf) -> io::Result<()>;
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/// Checks if the specified path exists.
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///
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/// * `path` - the path to the file or directory
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async fn exists(&self, ctx: Box<dyn Ctx>, path: PathBuf) -> io::Result<bool>;
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/// Reads metadata for a file or directory.
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///
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/// * `path` - the path to the file or directory
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/// * `canonicalize` - if true, will include a canonicalized path in the metadata
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/// * `resolve_file_type` - if true, will resolve symlinks to underlying type (file or dir)
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async fn metadata(
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&self,
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ctx: Box<dyn Ctx>,
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path: PathBuf,
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canonicalize: bool,
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resolve_file_type: bool,
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) -> io::Result<Metadata>;
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/// Sets permissions for a file, directory, or symlink.
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///
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/// * `path` - the path to the file, directory, or symlink
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/// * `resolve_symlink` - if true, will resolve the path to the underlying file/directory
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/// * `permissions` - the new permissions to apply
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async fn set_permissions(
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&self,
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ctx: Box<dyn Ctx>,
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path: PathBuf,
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permissions: Permissions,
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options: SetPermissionsOptions,
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) -> io::Result<()>;
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}
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/// API supporting process creation and manipulation.
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#[async_trait]
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pub trait ProcessApi: Send + Sync {
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/// Spawns a new process, returning its id.
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///
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/// * `cmd` - the full command to run as a new process (including arguments)
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/// * `environment` - the environment variables to associate with the process
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/// * `current_dir` - the alternative current directory to use with the process
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/// * `pty` - if provided, will run the process within a PTY of the given size
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async fn proc_spawn(
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&self,
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ctx: Box<dyn Ctx>,
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cmd: String,
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environment: Environment,
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current_dir: Option<PathBuf>,
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pty: Option<PtySize>,
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) -> io::Result<ProcessId>;
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/// Kills a running process by its id.
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///
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/// * `id` - the unique id of the process
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async fn proc_kill(&self, ctx: Box<dyn Ctx>, id: ProcessId) -> io::Result<()>;
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/// Sends data to the stdin of the process with the specified id.
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///
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/// * `id` - the unique id of the process
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/// * `data` - the bytes to send to stdin
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async fn proc_stdin(&self, ctx: Box<dyn Ctx>, id: ProcessId, data: Vec<u8>) -> io::Result<()>;
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/// Resizes the PTY of the process with the specified id.
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///
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/// * `id` - the unique id of the process
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/// * `size` - the new size of the pty
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async fn proc_resize_pty(
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&self,
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ctx: Box<dyn Ctx>,
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id: ProcessId,
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size: PtySize,
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) -> io::Result<()>;
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}
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/// API supporting searching through the remote system.
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#[async_trait]
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pub trait SearchApi: Send + Sync {
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/// Searches files for matches based on a query.
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///
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/// * `query` - the specific query to perform
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async fn search(&self, ctx: Box<dyn Ctx>, query: SearchQuery) -> io::Result<SearchId>;
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/// Cancels an actively-ongoing search.
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///
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/// * `id` - the id of the search to cancel
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async fn cancel_search(&self, ctx: Box<dyn Ctx>, id: SearchId) -> io::Result<()>;
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}
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/// API supporting retrieval of information about the remote system.
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#[async_trait]
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pub trait SystemInfoApi: Send + Sync {
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/// Retrieves information about the system.
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async fn system_info(&self, ctx: Box<dyn Ctx>) -> io::Result<SystemInfo>;
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}
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/// API supporting retrieval of the server's version.
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#[async_trait]
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pub trait VersionApi: Send + Sync {
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/// Retrieves information about the server's capabilities.
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async fn version(&self, ctx: Box<dyn Ctx>) -> io::Result<Version>;
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}
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/// API supporting watching of changes to the remote filesystem.
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#[async_trait]
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pub trait WatchApi: Send + Sync {
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/// Watches a file or directory for changes.
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///
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/// * `path` - the path to the file or directory
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/// * `recursive` - if true, will watch for changes within subdirectories and beyond
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/// * `only` - if non-empty, will limit reported changes to those included in this list
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/// * `except` - if non-empty, will limit reported changes to those not included in this list
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async fn watch(
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&self,
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ctx: Box<dyn Ctx>,
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path: PathBuf,
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recursive: bool,
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only: Vec<ChangeKind>,
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except: Vec<ChangeKind>,
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) -> io::Result<()>;
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/// Removes a file or directory from being watched.
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///
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/// * `path` - the path to the file or directory
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async fn unwatch(&self, ctx: Box<dyn Ctx>, path: PathBuf) -> io::Result<()>;
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}
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