remove aquatic_common_tcp crate, move contents into aquatic_http

It doesn't make a lot of sense to make a separate crate for
the few things here. I don't really want tight coupling between
the crates anyway, since it impedes making changes in them
and makes understanding them more difficult.

aquatic_http/src/lib/config.rs

@@ -2,7 +2,24 @@ use std::net::SocketAddr;
 
 use serde::{Serialize, Deserialize};
 
-pub use aquatic_common_tcp::config::*;
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+#[serde(rename_all = "lowercase")]
+pub enum LogLevel {
+    Off,
+    Error,
+    Warn,
+    Info,
+    Debug,
+    Trace
+}
+
+
+impl Default for LogLevel {
+    fn default() -> Self {
+        Self::Error
+    }
+}
 
 
 #[derive(Clone, Debug, Serialize, Deserialize)]
@@ -21,6 +38,15 @@ pub struct Config {
 }
 
 
+#[derive(Clone, Debug, Serialize, Deserialize)]
+#[serde(default)]
+pub struct TlsConfig {
+    pub use_tls: bool,
+    pub tls_pkcs12_path: String,
+    pub tls_pkcs12_password: String,
+}
+
+
 #[derive(Clone, Debug, Serialize, Deserialize)]
 #[serde(default)]
 pub struct NetworkConfig {
@@ -46,6 +72,41 @@ pub struct ProtocolConfig {
 }
 
 
+
+#[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 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,
+}
+
+
+#[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 {
@@ -82,4 +143,47 @@ impl Default for ProtocolConfig {
             peer_announce_interval: 120,
         }
     }
-}
+}
+
+
+impl Default for HandlerConfig {
+    fn default() -> Self {
+        Self {
+            max_requests_per_iter: 10000,
+            channel_recv_timeout_microseconds: 200,
+        }
+    }
+}
+
+
+impl Default for CleaningConfig {
+    fn default() -> Self {
+        Self {
+            interval: 30,
+            max_peer_age: 180,
+            max_connection_age: 180,
+        }
+    }
+}
+
+
+impl Default for PrivilegeConfig {
+    fn default() -> Self {
+        Self {
+            drop_privileges: false,
+            chroot_path: ".".to_string(),
+            user: "nobody".to_string(),
+        }
+    }
+}
+
+
+impl Default for TlsConfig {
+    fn default() -> Self {
+        Self {
+            use_tls: false,
+            tls_pkcs12_path: "".into(),
+            tls_pkcs12_password: "".into(),
+        }
+    }
+}