Work on adding cli, and transport layer

unshell-rs-lib/src/packets.rs

@@ -0,0 +1,30 @@
+use bincode::{Decode, Encode};
+use std::fmt::Debug;
+
+#[derive(Debug, Encode, Decode, Clone)]
+pub enum TransportLayerPacket {
+    RequestStreamUnrouted {
+        stream_id: usize,
+    },
+    AckStreamUnrouted {
+        local_stream_id: usize,
+        remote_stream_id: usize,
+    },
+    StreamDataUnrouted {
+        stream_id: usize,
+        data: Vec<u8>,
+    },
+
+    SpontaniousDataUnrouted {
+        data: Vec<u8>,
+    },
+}
+
+#[derive(Debug, Encode, Decode, Clone)]
+pub enum C2Packet {
+    Ping,
+    Pong,
+
+    CreatePTY { width: usize, height: usize },
+    PTYData,
+}