Struct ContainerStateManager 

pub struct ContainerStateManager { /* private fields */ }

Container state manager

Manages persistent state of running containers

Implementations

impl ContainerStateManager

pub fn new_with_root(root: Option<PathBuf>) -> Result<Self>

Create a state manager rooted at an explicit directory, falling back to default candidates if root is None.

pub fn new() -> Result<Self>

Create a new state manager

Creates the state directory if it doesn’t exist

pub fn with_state_dir(state_dir: PathBuf) -> Result<Self>

Create a state manager rooted at an explicit directory.

pub fn exec_fifo_path(&self, container_id: &str) -> Result<PathBuf>

Return the path to the exec FIFO used for two-phase create/start.

pub fn rootfs_overlay_dir_path(&self, container_id: &str) -> Result<PathBuf>

Return the persistent overlayfs state directory for a container.

pub fn resolve_container(&self, reference: &str) -> Result<ContainerState>

Resolve a container reference by exact ID, name, or ID prefix

pub fn save_state(&self, state: &ContainerState) -> Result<()>

Save container state

pub fn read_file_nofollow(path: &Path) -> Result<String, Error>

Read a file with O_NOFOLLOW to prevent symlink attacks.

pub fn load_state(&self, container_id: &str) -> Result<ContainerState>

Load container state

Opens with O_NOFOLLOW to prevent symlink-based TOCTOU attacks.

pub fn delete_state(&self, container_id: &str) -> Result<()>

Delete container state

pub fn list_states(&self) -> Result<Vec<ContainerState>>

List all container states

pub fn list_running(&self) -> Result<Vec<ContainerState>>

List only running containers

pub fn cleanup_stale(&self) -> Result<()>

Clean up stale state files (for containers that are no longer running)