Move handler to proto module.

src/main.rs

@@ -3,7 +3,6 @@
 mod client;
 mod config;
 mod control;
-mod handler;
 mod proto;
 mod room;
 mod user;
@@ -24,7 +23,7 @@ use std::thread;
 use mio::EventLoop;
 
 use client::Client;
-use handler::ConnectionHandler;
+use proto::ConnectionHandler;
 
 fn main() {
     match env_logger::init() {

src/handler.rs → src/proto/handler.rs

@@ -6,8 +6,8 @@ use std::sync::mpsc::Sender;
 use mio::{EventLoop, EventSet, Handler, PollOpt, Token};
 use mio::tcp::TcpStream;
 
-use proto::{Packet, PacketStream, Request, Response};
-use proto::server::*;
+use super::{Packet, PacketStream, Request, Response};
+use super::server::*;
 
 struct TokenCounter {
     counter: usize,

src/proto/mod.rs

@@ -1,6 +1,9 @@
+mod handler;
 mod packet;
 pub mod server;
 
+pub use self::handler::ConnectionHandler;
+
 pub use self::packet::{
     Packet,
     PacketReadError,