WIP: start work on http tracker

aquatic_http/src/lib/config.rs

@@ -0,0 +1,179 @@
+use std::net::SocketAddr;
+
+use serde::{Serialize, Deserialize};
+
+
+// identical to ws version
+#[derive(Debug, Clone, Serialize, Deserialize)]
+#[serde(rename_all = "lowercase")]
+pub enum LogLevel {
+    Off,
+    Error,
+    Warn,
+    Info,
+    Debug,
+    Trace
+}
+
+
+// identical to ws version
+impl Default for LogLevel {
+    fn default() -> Self {
+        Self::Error
+    }
+}
+
+
+#[derive(Clone, Debug, Serialize, Deserialize)]
+#[serde(default)]
+pub struct Config {
+    /// Socket workers receive requests from the socket, parse them and send
+    /// them on to the request handler. They then recieve responses from the
+    /// request handler, encode them and send them back over the socket.
+    pub socket_workers: usize,
+    pub log_level: LogLevel,
+    pub network: NetworkConfig,
+    pub protocol: ProtocolConfig,
+    pub handlers: HandlerConfig,
+    pub cleaning: CleaningConfig,
+    pub privileges: PrivilegeConfig,
+}
+
+
+#[derive(Clone, Debug, Serialize, Deserialize)]
+#[serde(default)]
+pub struct NetworkConfig {
+    /// Bind to this address
+    pub address: SocketAddr,
+    pub ipv6_only: bool,
+    pub use_tls: bool,
+    pub tls_pkcs12_path: String,
+    pub tls_pkcs12_password: String,
+    pub poll_event_capacity: usize,
+    pub poll_timeout_milliseconds: u64,
+}
+
+
+// identical to ws version
+#[derive(Clone, Debug, Serialize, Deserialize)]
+#[serde(default)]
+pub struct HandlerConfig {
+    /// Maximum number of requests to receive from channel before locking
+    /// mutex and starting work
+    pub max_requests_per_iter: usize,
+    pub channel_recv_timeout_microseconds: u64,
+}
+
+
+#[derive(Clone, Debug, Serialize, 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,
+}
+
+
+// identical to ws version
+#[derive(Clone, Debug, Serialize, Deserialize)]
+#[serde(default)]
+pub struct CleaningConfig {
+    /// Clean peers this often (seconds)
+    pub interval: u64,
+    /// Remove peers that haven't announced for this long (seconds)
+    pub max_peer_age: u64,
+    /// Remove connections that are older than this (seconds)
+    pub max_connection_age: u64,
+}
+
+
+// identical to ws version
+#[derive(Clone, Debug, Serialize, Deserialize)]
+#[serde(default)]
+pub struct PrivilegeConfig {
+    /// Chroot and switch user after binding to sockets
+    pub drop_privileges: bool,
+    /// Chroot to this path
+    pub chroot_path: String,
+    /// User to switch to after chrooting
+    pub user: String,
+}
+
+
+impl Default for Config {
+    fn default() -> Self {
+        Self {
+            socket_workers: 1,
+            log_level: LogLevel::default(),
+            network: NetworkConfig::default(),
+            protocol: ProtocolConfig::default(),
+            handlers: HandlerConfig::default(),
+            cleaning: CleaningConfig::default(),
+            privileges: PrivilegeConfig::default(),
+        }
+    }
+}
+
+
+impl Default for NetworkConfig {
+    fn default() -> Self {
+        Self {
+            address: SocketAddr::from(([0, 0, 0, 0], 3000)),
+            ipv6_only: false,
+            use_tls: false,
+            tls_pkcs12_path: "".into(),
+            tls_pkcs12_password: "".into(),
+            poll_event_capacity: 4096,
+            poll_timeout_milliseconds: 50,
+        }
+    }
+}
+
+
+impl Default for ProtocolConfig {
+    fn default() -> Self {
+        Self {
+            max_scrape_torrents: 255, // FIXME: what value is reasonable?
+            max_peers: 50,
+            peer_announce_interval: 120,
+        }
+    }
+}
+
+
+// identical to ws version
+impl Default for HandlerConfig {
+    fn default() -> Self {
+        Self {
+            max_requests_per_iter: 10000,
+            channel_recv_timeout_microseconds: 200,
+        }
+    }
+}
+
+
+// identical to ws version
+impl Default for CleaningConfig {
+    fn default() -> Self {
+        Self {
+            interval: 30,
+            max_peer_age: 180,
+            max_connection_age: 180,
+        }
+    }
+}
+
+
+// identical to ws version
+impl Default for PrivilegeConfig {
+    fn default() -> Self {
+        Self {
+            drop_privileges: false,
+            chroot_path: ".".to_string(),
+            user: "nobody".to_string(),
+        }
+    }
+}