add wisp lib

wisp/src/lib.rs

@@ -0,0 +1,25 @@
+mod packet;
+mod ws;
+
+pub use crate::packet::*;
+
+#[derive(Debug, PartialEq)]
+pub enum Role {
+    Client,
+    Server,
+}
+
+pub enum WispError {
+    PacketTooSmall,
+    InvalidPacketType,
+    WsFrameInvalidType,
+    WsFrameNotFinished,
+    WsImplError(Box<dyn std::error::Error>),
+    Utf8Error(std::str::Utf8Error),
+}
+
+impl From<std::str::Utf8Error> for WispError {
+    fn from(err: std::str::Utf8Error) -> WispError {
+        WispError::Utf8Error(err)
+    }
+}