More work

src/frame/head.rs

@@ -62,7 +62,7 @@ impl Head {
     }
 
     pub fn encode_len(&self) -> usize {
-        super::FRAME_HEADER_LEN
+        super::HEADER_LEN
     }
 
     pub fn encode<T: BufMut>(&self, payload_len: usize, dst: &mut T) -> Result<(), Error> {

src/frame/headers.rs

@@ -0,0 +1,20 @@
+
+/// Header frame
+///
+/// This could be either a request or a response.
+pub struct Headers {
+    stream_id: StreamId,
+    headers: HeaderMap,
+    pseudo: Pseudo,
+}
+
+pub struct Pseudo {
+    // Request
+    method: Option<()>,
+    scheme: Option<()>,
+    authority: Option<()>,
+    path: Option<()>,
+
+    // Response
+    status: Option<()>,
+}

src/frame/mod.rs

@@ -35,7 +35,7 @@ pub use self::head::{Head, Kind, StreamId};
 pub use self::settings::{Settings, SettingSet};
 pub use self::unknown::Unknown;
 
-const FRAME_HEADER_LEN: usize = 9;
+pub const HEADER_LEN: usize = 9;
 
 #[derive(Debug, Clone, PartialEq)]
 pub enum Frame {
@@ -103,8 +103,7 @@ impl Frame {
         let head = Head::parse(&frame);
 
         // Extract the payload from the frame
-        let _ = frame.drain_to(FRAME_HEADER_LEN);
-
+        let _ = frame.drain_to(HEADER_LEN);
 
         match head.kind() {
             Kind::Unknown => {

src/frame/settings.rs

@@ -54,7 +54,7 @@ impl Settings {
         }
     }
 
-    pub fn load(head: Head, payload: Bytes) -> Result<Settings, Error> {
+    pub fn load(head: Head, payload: &[u8]) -> Result<Settings, Error> {
         use self::Setting::*;
 
         debug_assert_eq!(head.kind(), ::frame::Kind::Settings);
@@ -112,7 +112,7 @@ impl Settings {
     }
 
     pub fn encode_len(&self) -> usize {
-        super::FRAME_HEADER_LEN + self.payload_len()
+        super::HEADER_LEN + self.payload_len()
     }
 
     fn payload_len(&self) -> usize {

src/frame/unknown.rs

@@ -1,4 +1,4 @@
-use frame::{Head, Error};
+use frame::{Frame, Head, Error};
 use bytes::{Bytes, BytesMut, BufMut};
 
 #[derive(Debug, Clone, PartialEq, Eq)]
@@ -25,3 +25,9 @@ impl Unknown {
         Ok(())
     }
 }
+
+impl From<Unknown> for Frame {
+    fn from(src: Unknown) -> Frame {
+        Frame::Unknown(src)
+    }
+}