Much work

src/lib.rs

@@ -13,14 +13,17 @@ extern crate http;
 // Buffer utilities
 extern crate bytes;
 
-// Hash function used for HPACK encoding
+// Hash function used for HPACK encoding and tracking stream states.
 extern crate fnv;
 
+extern crate ordermap;
+
 extern crate byteorder;
 
 #[macro_use]
 extern crate log;
 
+pub mod client;
 pub mod error;
 pub mod hpack;
 pub mod proto;
@@ -29,4 +32,42 @@ pub mod frame;
 mod util;
 
 pub use error::{ConnectionError, StreamError, Reason};
+pub use frame::{StreamId};
 pub use proto::Connection;
+
+/// An H2 connection frame
+pub enum Frame<T> {
+    Message {
+        id: StreamId,
+        message: T,
+        body: bool,
+    },
+    Body {
+        id: StreamId,
+        chunk: Option<()>,
+    },
+    Error {
+        id: StreamId,
+        error: (),
+    }
+}
+
+/// Either a Client or a Server
+pub trait Peer {
+    /// Message type sent into the transport
+    type Send;
+
+    /// Message type polled from the transport
+    type Poll;
+
+    fn check_initiating_id(id: StreamId) -> Result<(), ConnectionError>;
+
+    #[doc(hidden)]
+    fn convert_send_message(
+        id: StreamId,
+        message: Self::Send,
+        body: bool) -> proto::SendMessage;
+
+    #[doc(hidden)]
+    fn convert_poll_message(message: proto::PollMessage) -> Frame<Self::Poll>;
+}