feat: add websocket upstream adapter

2026-04-06 13:23:45 +03:00
parent b5f80c5d2f
commit 45ea011b7f
27 changed files with 978 additions and 30 deletions
@@ -0,0 +1,30 @@
+use serde_json::Value;
+use thiserror::Error;
+
+#[derive(Debug, Error)]
+pub enum WebsocketAdapterError {
+    #[error("invalid websocket url: {url}")]
+    InvalidUrl { url: String },
+    #[error("invalid websocket header name {header}")]
+    InvalidHeaderName { header: String },
+    #[error("invalid websocket header value for {header}")]
+    InvalidHeaderValue { header: String },
+    #[error("invalid websocket subprotocol {value}")]
+    InvalidSubprotocol { value: String },
+    #[error("websocket connect failed")]
+    Connect(#[from] tokio_tungstenite::tungstenite::Error),
+    #[error("websocket window expired before collecting any items")]
+    WindowExpired,
+    #[error("websocket stream produced malformed frame payload")]
+    InvalidFramePayload,
+    #[error("websocket endpoint returned close frame before collection completed")]
+    ClosedEarly,
+    #[error("websocket reconnect policy exhausted")]
+    ReconnectExhausted,
+    #[error("websocket upstream returned invalid subscribe payload")]
+    InvalidSubscribePayload,
+    #[error("websocket upstream returned invalid unsubscribe payload")]
+    InvalidUnsubscribePayload,
+    #[error("websocket upstream status {status}")]
+    UnexpectedStatus { status: u16, body: Value },
+}