Move types into separate module

items/src/inmem.rs

@@ -0,0 +1,34 @@
+use bytes::Bytes;
+use std::fmt;
+
+pub struct InMemoryFrame {
+    pub encid: u32,
+    pub tyid: u32,
+    pub len: u32,
+    pub buf: Bytes,
+}
+
+impl InMemoryFrame {
+    pub fn encid(&self) -> u32 {
+        self.encid
+    }
+    pub fn tyid(&self) -> u32 {
+        self.tyid
+    }
+    pub fn len(&self) -> u32 {
+        self.len
+    }
+    pub fn buf(&self) -> &Bytes {
+        &self.buf
+    }
+}
+
+impl fmt::Debug for InMemoryFrame {
+    fn fmt(&self, fmt: &mut std::fmt::Formatter) -> std::fmt::Result {
+        write!(
+            fmt,
+            "InMemoryFrame {{ encid: {:x}  tyid: {:x}  len {} }}",
+            self.encid, self.tyid, self.len
+        )
+    }
+}