From c1aaec6159d38a7929edb7cdcbffa786f658bccc Mon Sep 17 00:00:00 2001
From: "B. Blechschmidt" <github@blechschmidt.pw>
Date: Tue, 21 Mar 2023 01:08:44 +0100
Subject: [PATCH] Make manager references immutable

---
 src/http.rs      | 4 ++--
 src/socks5.rs    | 4 ++--
 src/tun2proxy.rs | 4 ++--
 3 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/src/http.rs b/src/http.rs
index 14c6c17..a1c40eb 100644
--- a/src/http.rs
+++ b/src/http.rs
@@ -163,14 +163,14 @@ impl ConnectionManager for HttpManager {
         connection.proto == smoltcp::wire::IpProtocol::Tcp.into()
     }
 
-    fn new_connection(&mut self, connection: &Connection) -> Option<std::boxed::Box<dyn TcpProxy>> {
+    fn new_connection(&self, connection: &Connection) -> Option<std::boxed::Box<dyn TcpProxy>> {
         if connection.proto != smoltcp::wire::IpProtocol::Tcp.into() {
             return None;
         }
         Some(std::boxed::Box::new(HttpConnection::new(connection)))
     }
 
-    fn close_connection(&mut self, _: &Connection) {}
+    fn close_connection(&self, _: &Connection) {}
 
     fn get_server(&self) -> SocketAddr {
         self.server
diff --git a/src/socks5.rs b/src/socks5.rs
index 1006750..6b9534c 100644
--- a/src/socks5.rs
+++ b/src/socks5.rs
@@ -233,14 +233,14 @@ impl ConnectionManager for Socks5Manager {
         connection.proto == smoltcp::wire::IpProtocol::Tcp.into()
     }
 
-    fn new_connection(&mut self, connection: &Connection) -> Option<std::boxed::Box<dyn TcpProxy>> {
+    fn new_connection(&self, connection: &Connection) -> Option<std::boxed::Box<dyn TcpProxy>> {
         if connection.proto != smoltcp::wire::IpProtocol::Tcp.into() {
             return None;
         }
         Some(std::boxed::Box::new(SocksConnection::new(connection)))
     }
 
-    fn close_connection(&mut self, _: &Connection) {}
+    fn close_connection(&self, _: &Connection) {}
 
     fn get_server(&self) -> SocketAddr {
         self.server
diff --git a/src/tun2proxy.rs b/src/tun2proxy.rs
index 76cba69..9b592ab 100644
--- a/src/tun2proxy.rs
+++ b/src/tun2proxy.rs
@@ -171,8 +171,8 @@ pub(crate) trait TcpProxy {
 
 pub(crate) trait ConnectionManager {
     fn handles_connection(&self, connection: &Connection) -> bool;
-    fn new_connection(&mut self, connection: &Connection) -> Option<std::boxed::Box<dyn TcpProxy>>;
-    fn close_connection(&mut self, connection: &Connection);
+    fn new_connection(&self, connection: &Connection) -> Option<std::boxed::Box<dyn TcpProxy>>;
+    fn close_connection(&self, connection: &Connection);
     fn get_server(&self) -> SocketAddr;
 }