rstnode: add network packet envelope to wire types

2 files changed, 26 insertions, 7 deletions

diff --git a/games/rstnode/rst-core/src/wire/env.rs b/games/rstnode/rst-core/src/wire/env.rs
new file mode 100644
index 000000000000..fd5ed690453e
--- /dev/null
+++ b/games/rstnode/rst-core/src/wire/env.rs
@@ -0,0 +1,20 @@
+use serde::{de::DeserializeOwned, Deserialize, Serialize};
+
+#[repr(C)]
+#[derive(Serialize, Deserialize)]
+pub struct Envelope {
+    size: u64,
+    data: Vec<u8>,
+}
+
+impl Envelope {
+    pub fn pack<T: Serialize>(d: T) -> Self {
+        let data = bincode::serialize(&d).unwrap();
+        let size = data.len() as u64;
+        Self { size, data }
+    }
+
+    pub fn unpack<T: DeserializeOwned>(self) -> T {
+        bincode::deserialize(&self.data).unwrap()
+    }
+}
diff --git a/games/rstnode/rst-core/src/wire/mod.rs b/games/rstnode/rst-core/src/wire/mod.rs
index cd311383a83a..493f0bcb6885 100644
--- a/games/rstnode/rst-core/src/wire/mod.rs
+++ b/games/rstnode/rst-core/src/wire/mod.rs
@@ -3,20 +3,19 @@
 mod action;
 pub use action::*;
 
-mod req;
-pub use req::*;
+mod env;
+pub use env::*;
 
 mod resp;
 pub use resp::*;
 
+mod req;
+pub use req::*;
+
 mod update;
 pub use update::*;
 
-use crate::{
-    data::{Color, Player},
-    map::Map,
-    Id,
-};
+use crate::{data::Color, Id};
 use serde::{Deserialize, Serialize};
 
 /// An alias for a User's ID