http_private: add config, launch with cli helpers

aquatic_http_private/src/config.rs

@@ -0,0 +1,121 @@
+use std::{net::SocketAddr, path::PathBuf};
+
+use aquatic_common::privileges::PrivilegeConfig;
+use aquatic_toml_config::TomlConfig;
+use serde::Deserialize;
+
+use aquatic_cli_helpers::LogLevel;
+
+/// aquatic_http_private configuration
+#[derive(Clone, Debug, PartialEq, TomlConfig, Deserialize)]
+#[serde(default)]
+pub struct Config {
+    /// Socket workers receive requests from the socket, parse them and send
+    /// them on to the request workers. They then receive responses from the
+    /// request workers, encode them and send them back over the socket.
+    pub socket_workers: usize,
+    /// Request workers receive a number of requests from socket workers,
+    /// generate responses and send them back to the socket workers.
+    pub request_workers: usize,
+    pub log_level: LogLevel,
+    pub network: NetworkConfig,
+    pub protocol: ProtocolConfig,
+    pub cleaning: CleaningConfig,
+    pub privileges: PrivilegeConfig,
+}
+
+impl Default for Config {
+    fn default() -> Self {
+        Self {
+            socket_workers: 1,
+            request_workers: 1,
+            log_level: LogLevel::default(),
+            network: NetworkConfig::default(),
+            protocol: ProtocolConfig::default(),
+            cleaning: CleaningConfig::default(),
+            privileges: PrivilegeConfig::default(),
+        }
+    }
+}
+
+impl aquatic_cli_helpers::Config for Config {
+    fn get_log_level(&self) -> Option<LogLevel> {
+        Some(self.log_level)
+    }
+}
+
+#[derive(Clone, Debug, PartialEq, TomlConfig, Deserialize)]
+#[serde(default)]
+pub struct NetworkConfig {
+    /// Bind to this address
+    pub address: SocketAddr,
+    /// Path to TLS certificate (DER-encoded X.509)
+    pub tls_certificate_path: PathBuf,
+    /// Path to TLS private key (DER-encoded ASN.1 in PKCS#8 or PKCS#1 format)
+    pub tls_private_key_path: PathBuf,
+    /// Keep connections alive after sending a response
+    pub keep_alive: bool,
+}
+
+impl Default for NetworkConfig {
+    fn default() -> Self {
+        Self {
+            address: SocketAddr::from(([0, 0, 0, 0], 3000)),
+            tls_certificate_path: "".into(),
+            tls_private_key_path: "".into(),
+            keep_alive: false,
+        }
+    }
+}
+
+#[derive(Clone, Debug, PartialEq, TomlConfig, Deserialize)]
+#[serde(default)]
+pub struct ProtocolConfig {
+    /// Maximum number of torrents to accept in scrape request
+    pub max_scrape_torrents: usize,
+    /// Maximum number of requested peers to accept in announce request
+    pub max_peers: usize,
+    /// Ask peers to announce this often (seconds)
+    pub peer_announce_interval: usize,
+}
+
+impl Default for ProtocolConfig {
+    fn default() -> Self {
+        Self {
+            max_scrape_torrents: 100,
+            max_peers: 50,
+            peer_announce_interval: 300,
+        }
+    }
+}
+
+#[derive(Clone, Debug, PartialEq, TomlConfig, Deserialize)]
+#[serde(default)]
+pub struct CleaningConfig {
+    /// Clean peers this often (seconds)
+    pub torrent_cleaning_interval: u64,
+    /// Clean connections this often (seconds)
+    pub connection_cleaning_interval: u64,
+    /// Remove peers that have not announced for this long (seconds)
+    pub max_peer_age: u64,
+    /// Remove connections that haven't seen valid requests for this long (seconds)
+    pub max_connection_idle: u64,
+}
+
+impl Default for CleaningConfig {
+    fn default() -> Self {
+        Self {
+            torrent_cleaning_interval: 30,
+            connection_cleaning_interval: 60,
+            max_peer_age: 360,
+            max_connection_idle: 180,
+        }
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use super::Config;
+
+    ::aquatic_toml_config::gen_serialize_deserialize_test!(Config);
+}