141 lines
4.0 KiB
Rust
141 lines
4.0 KiB
Rust
//! `memoryd` configuration: read `memoryd.toml` into a typed `Config` (M5a spec, section 11).
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//!
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//! Unknown keys are errors in every table, as in the other roles: a misspelt key that silently
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//! fell back to its default would be a setting the owner believes is set and is not.
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use std::path::{Path, PathBuf};
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use proto::DataClass;
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use serde::Deserialize;
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#[derive(Debug, Clone, PartialEq, Eq, Deserialize)]
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#[serde(deny_unknown_fields, default)]
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pub struct Paths {
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pub home: PathBuf,
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}
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impl Default for Paths {
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fn default() -> Self {
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Self {
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home: std::env::var_os("BOXMAKER_HOME")
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.map(PathBuf::from)
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.unwrap_or_else(|| PathBuf::from("/var/lib/boxmaker")),
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}
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}
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}
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/// `[memory]`: the starter `soul.md`, and whether identity writes wait for the owner.
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#[derive(Debug, Clone, PartialEq, Eq, Deserialize)]
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#[serde(deny_unknown_fields, default)]
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pub struct Memory {
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/// A relative path is resolved next to the config file by `Config::load`.
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pub soul_starter: PathBuf,
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pub review: bool,
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}
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impl Default for Memory {
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fn default() -> Self {
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Self {
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soul_starter: PathBuf::from("soul.md"),
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review: false,
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}
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}
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}
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/// `[index]`: records above `max_class` are not indexed.
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#[derive(Debug, Clone, PartialEq, Eq, Deserialize)]
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#[serde(deny_unknown_fields, default)]
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pub struct Index {
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pub max_class: DataClass,
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}
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impl Default for Index {
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fn default() -> Self {
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Self {
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max_class: DataClass::Private,
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}
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}
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}
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/// An empty path means "the default under `home`".
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#[derive(Debug, Clone, PartialEq, Eq, Deserialize, Default)]
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#[serde(deny_unknown_fields, default)]
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pub struct Sockets {
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#[serde(rename = "loop")]
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pub loopd: PathBuf,
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pub broker: PathBuf,
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pub admin: PathBuf,
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}
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#[derive(Debug, Clone, PartialEq, Eq, Deserialize, Default)]
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#[serde(deny_unknown_fields, default)]
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pub struct Config {
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pub paths: Paths,
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pub memory: Memory,
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pub index: Index,
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pub sockets: Sockets,
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}
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#[derive(Debug)]
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pub enum ConfigError {
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Read(PathBuf, std::io::Error),
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Parse(PathBuf, toml::de::Error),
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}
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impl std::fmt::Display for ConfigError {
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fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
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match self {
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ConfigError::Read(path, err) => write!(f, "{}: {err}", path.display()),
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ConfigError::Parse(path, err) => write!(f, "{}: {err}", path.display()),
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}
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}
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}
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impl std::error::Error for ConfigError {}
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impl Config {
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pub fn parse(text: &str) -> Result<Config, toml::de::Error> {
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toml::from_str(text)
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}
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/// Read and parse `path`; a relative `soul_starter` is taken to be next to it.
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pub fn load(path: &Path) -> Result<Config, ConfigError> {
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let text =
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std::fs::read_to_string(path).map_err(|e| ConfigError::Read(path.to_path_buf(), e))?;
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let mut config =
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Config::parse(&text).map_err(|e| ConfigError::Parse(path.to_path_buf(), e))?;
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if config.memory.soul_starter.is_relative() {
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let base = path.parent().unwrap_or_else(|| Path::new("."));
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config.memory.soul_starter = base.join(&config.memory.soul_starter);
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}
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Ok(config)
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}
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fn socket(&self, set: &Path, default: &str) -> PathBuf {
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if set.as_os_str().is_empty() {
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self.paths.home.join(default)
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} else {
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set.to_path_buf()
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}
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}
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pub fn loop_socket(&self) -> PathBuf {
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self.socket(&self.sockets.loopd, "run/loop-memory/memory.sock")
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}
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pub fn broker_socket(&self) -> PathBuf {
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self.socket(&self.sockets.broker, "run/broker-memory/memory.sock")
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}
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pub fn admin_socket(&self) -> PathBuf {
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self.socket(&self.sockets.admin, "run/owner-memory/admin.sock")
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}
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pub fn memory_dir(&self) -> PathBuf {
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self.paths.home.join("memory")
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}
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pub fn index_path(&self) -> PathBuf {
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self.paths.home.join("index/memory.sqlite3")
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}
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pub fn sessions_dir(&self) -> PathBuf {
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self.paths.home.join("sessions")
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}
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}
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