Publish 0.1.3 and update README

Cargo.lock

@@ -98,7 +98,7 @@ dependencies = [
 
 [[package]]
 name = "fourth"
-version = "0.1.2"
+version = "0.1.3"
 dependencies = [
  "byte_string",
  "bytes 1.1.0",

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "fourth"
-version = "0.1.2"
+version = "0.1.3"
 edition = "2021"
 authors = ["LI Rui <lr_cn@outlook.com>"]
 license = "Apache-2.0"

README-EN.md

@@ -4,6 +4,8 @@
 
 [![](https://img.shields.io/crates/v/fourth)](https://crates.io/crates/fourth) [![CI](https://img.shields.io/github/workflow/status/kernelerr/fourth/Rust)](https://github.com/KernelErr/fourth/actions/workflows/rust.yml)
 
+**Under heavy development, version 0.1 may update frequently**
+
 Fourth is a layer 4 proxy implemented by Rust to listen on specific ports and transfer TCP/KCP data to remote addresses(only TCP) according to configuration.
 
 ## Features
@@ -55,7 +57,7 @@ servers:
 upstream:
   nginx: "127.0.0.1:8080"
   proxy: "127.0.0.1:1024"
-  other: "www.remote.example.com:8082" # proxy to remote address
+  remote: "www.remote.example.com:8082" # proxy to remote address
 ```
 
 Built-in two upstreams: ban(terminate connection immediately), echo

README.md

@@ -6,6 +6,8 @@
 
 [English](/README-EN.md)
 
+**积极开发中，0.1版本迭代可能较快**
+
 Fourth是一个Rust实现的Layer 4代理，用于监听指定端口TCP/KCP流量，并根据规则转发到指定目标（目前只支持TCP）。
 
 ## 功能
@@ -62,7 +64,7 @@ servers:
 upstream:
   nginx: "127.0.0.1:8080"
   proxy: "127.0.0.1:1024"
-  other: "www.remote.example.com:8082" # proxy to remote address
+  remote: "www.remote.example.com:8082" # proxy to remote address
 ```
 
 内置两个的upstream：ban（立即中断连接）、echo（返回读到的数据）。

example-config.yaml

@@ -24,4 +24,4 @@ servers:
 upstream:
   nginx: "127.0.0.1:8080"
   proxy: "127.0.0.1:1024"
-  other: "www.remote.example.com:8082" # proxy to remote address
+  remote: "www.remote.example.com:8082" # proxy to remote address

src/config.rs

@@ -87,7 +87,7 @@ mod tests {
         let config = Config::new("tests/config.yaml").unwrap();
         assert_eq!(config.base.version, 1);
         assert_eq!(config.base.log.unwrap(), "disable");
-        assert_eq!(config.base.servers.len(), 4);
+        assert_eq!(config.base.servers.len(), 5);
         assert_eq!(config.base.upstream.len(), 3);
     }
 }

src/servers/mod.rs

@@ -118,8 +118,11 @@ mod test {
         let server_addr: SocketAddr = "127.0.0.1:54599".parse().unwrap();
         let listener = TcpListener::bind(server_addr).await.unwrap();
         let (mut stream, _) = listener.accept().await.unwrap();
+        let mut buf = [0u8; 1024];
+        let n = stream.read(&mut buf).await.unwrap();
+        if n > 0 {
             stream.write(b"hello").await.unwrap();
-        stream.shutdown().await.unwrap();
+        }
     }
 
     #[tokio::test]
@@ -135,25 +138,19 @@ mod test {
             let _ = server.run();
         });
         sleep(Duration::from_secs(1)); // wait for server to start
-        let mut conn = TcpStream::connect("127.0.0.1:54500").await.unwrap();
-        let mut buf = [0u8; 5];
-        conn.read(&mut buf).await.unwrap();
-        assert_eq!(&buf, b"hello");
-        conn.shutdown().await.unwrap();
-    }
 
-    #[tokio::test]
-    async fn test_tcp_echo_server() {
-        use crate::config::Config;
-        let config = Config::new("tests/config.yaml").unwrap();
-        let mut server = Server::new(config.base);
-        thread::spawn(move || {
-            let _ = server.run();
-        });
-        sleep(Duration::from_secs(1)); // wait for server to start
+        // // test proxy
+        // let mut conn = TcpStream::connect("127.0.0.1:54500").await.unwrap();
+        // let mut buf = [0u8; 5];
+        // conn.write(b"hi").await.unwrap();
+        // conn.read(&mut buf).await.unwrap();
+        // assert_eq!(&buf, b"hello");
+        // conn.shutdown().await.unwrap();
+
+        // test echo
         let mut conn = TcpStream::connect("127.0.0.1:54956").await.unwrap();
         let mut buf = [0u8; 1];
-        for i in 0..=255u8 {
+        for i in 0..=10u8 {
             conn.write(&[i]).await.unwrap();
             conn.read(&mut buf).await.unwrap();
             assert_eq!(&buf, &[i]);
@@ -162,7 +159,7 @@ mod test {
     }
 
     #[tokio::test]
-    async fn test_kcp_echo_server() {
+    async fn test_kcp_proxy() {
         use crate::config::Config;
         let config = Config::new("tests/config.yaml").unwrap();
         let mut server = Server::new(config.base);
@@ -170,6 +167,17 @@ mod test {
             let _ = server.run();
         });
         sleep(Duration::from_secs(1)); // wait for server to start
+
+        // test proxy
+        let kcp_config = KcpConfig::default();
+        let server_addr: SocketAddr = "127.0.0.1:54958".parse().unwrap();
+        let mut conn = KcpStream::connect(&kcp_config, server_addr).await.unwrap();
+        let mut buf = [0u8; 5];
+        conn.write(b"hi").await.unwrap();
+        conn.read(&mut buf).await.unwrap();
+        assert_eq!(&buf, b"hello");
+
+        // test echo
         let kcp_config = KcpConfig::default();
         let server_addr: SocketAddr = "127.0.0.1:54959".parse().unwrap();
         let mut conn = KcpStream::connect(&kcp_config, server_addr).await.unwrap();

tests/config.yaml

@@ -11,15 +11,20 @@ servers:
       proxy.test.com: proxy
       www.test.com: web
     default: ban
-  echo_server:
-    listen:
-      - "0.0.0.0:54956"
-    default: echo
   tcp_server:
     listen:
       - "127.0.0.1:54500"
     default: tester
+  tcp_echo_server:
+    listen:
+      - "0.0.0.0:54956"
+    default: echo
   kcp_server:
+    protocol: kcp
+    listen:
+      - "127.0.0.1:54958"
+    default: tester
+  kcp_echo_server:
     protocol: kcp
     listen:
       - "127.0.0.1:54959"