Move wayvr-ipc to our workspace (#324)

wayvr-ipc/src/ipc.rs

@@ -0,0 +1,42 @@
+use std::sync::{Arc, Mutex as SyncMutex};
+
+pub type Serial = u64;
+
+#[derive(Clone, Default)]
+pub struct SerialGenerator {
+	serial: Arc<SyncMutex<u64>>,
+}
+
+impl SerialGenerator {
+	pub fn new() -> SerialGenerator {
+		Self {
+			serial: Arc::new(SyncMutex::new(0)),
+		}
+	}
+
+	pub fn increment_get(&self) -> Serial {
+		let mut serial = self.serial.lock().unwrap();
+		let cur = *serial;
+		*serial += 1;
+		cur
+	}
+}
+
+pub const PROTOCOL_VERSION: u32 = 3;
+pub const CONNECTION_MAGIC: &str = "wayvr_ipc";
+
+pub fn data_encode<T>(data: &T) -> Vec<u8>
+where
+	T: serde::Serialize,
+{
+	let str = serde_json::to_string(&data).unwrap();
+	log::debug!("serialized data: {}", str);
+	str.into_bytes()
+}
+
+pub fn data_decode<T>(data: &[u8]) -> anyhow::Result<T>
+where
+	T: for<'a> serde::Deserialize<'a>,
+{
+	Ok(serde_json::from_str::<T>(std::str::from_utf8(data)?)?)
+}