moving (un)marshal to crate tuic

tuic-quinn/Cargo.toml

@@ -4,9 +4,8 @@ version = "0.1.0"
 edition = "2021"
 
 [dependencies]
-async-trait = { version = "0.1.62", default-features = false }
 bytes = { version = "1.3.0", default-features = false, features = ["std"] }
 futures-util = { version = "0.3.25", default-features = false, features = ["io", "std"] }
 quinn = { version = "0.9.3", default-features = false, features = ["futures-io"] }
 thiserror = { version = "1.0.38", default-features = false }
-tuic = { path = "../tuic", default-features = false, features = ["model"] }
+tuic = { path = "../tuic", default-features = false, features = ["marshal", "model"] }

tuic-quinn/src/lib.rs

@@ -1,8 +1,4 @@
-use self::{
-    marshal::Marshal,
-    side::Side,
-    unmarshal::{Unmarshal, UnmarshalError},
-};
+use self::side::Side;
 use bytes::Bytes;
 use futures_util::{io::Cursor, AsyncRead, AsyncReadExt, AsyncWrite, AsyncWriteExt};
 use quinn::{
@@ -20,12 +16,9 @@ use tuic::{
         AssembleError, Connect as ConnectModel, Connection as ConnectionModel,
         Packet as PacketModel,
     },
-    protocol::{Address, Header},
+    Address, Header, Marshal, Unmarshal, UnmarshalError,
 };
 
-mod marshal;
-mod unmarshal;
-
 pub mod side {
     pub struct Client;
     pub struct Server;

tuic/Cargo.toml

@@ -4,11 +4,14 @@ version = "0.1.0"
 edition = "2021"
 
 [features]
+marshal = ["async-trait", "futures-io"]
 model = ["parking_lot", "thiserror"]
 
 [dependencies]
+async-trait = { version = "0.1.62", default-features = false, optional = true }
+futures-io = { version = "0.3.25", default-features = false, features = ["std"], optional = true }
 parking_lot = { version = "0.12.1", default-features = false, optional = true }
 thiserror = { version = "1.0.38", default-features = false, optional = true }
 
 [dev-dependencies]
-tuic = { path = ".", features = ["model"] }
+tuic = { path = ".", features = ["marshal", "model"] }

tuic/src/lib.rs

@@ -1,6 +1,22 @@
 //! The TUIC protocol
 
-pub mod protocol;
+mod protocol;
+
+#[cfg(feature = "marshal")]
+mod marshal;
+
+#[cfg(feature = "marshal")]
+mod unmarshal;
+
+pub use self::protocol::{
+    Address, Authenticate, Command, Connect, Dissociate, Header, Heartbeat, Packet, VERSION,
+};
+
+#[cfg(feature = "marshal")]
+pub use self::{
+    marshal::Marshal,
+    unmarshal::{Unmarshal, UnmarshalError},
+};
 
 #[cfg(feature = "model")]
 pub mod model;

tuic/src/marshal.rs

@@ -1,10 +1,10 @@
+use crate::protocol::Header;
 use async_trait::async_trait;
-use futures_util::AsyncWrite;
+use futures_io::AsyncWrite;
 use std::io::Error as IoError;
-use tuic::protocol::Header;
 
 #[async_trait]
-pub(super) trait Marshal {
+pub trait Marshal {
     async fn marshal(&self, s: &mut impl AsyncWrite) -> Result<(), IoError>;
 }
 

tuic/src/unmarshal.rs

@@ -1,10 +1,10 @@
+use crate::protocol::Header;
 use async_trait::async_trait;
-use futures_util::AsyncRead;
+use futures_io::AsyncRead;
 use thiserror::Error;
-use tuic::protocol::Header;
 
 #[async_trait]
-pub(super) trait Unmarshal
+pub trait Unmarshal
 where
     Self: Sized,
 {