Timothy
56 lines
1.7 KiB
JavaScript
56 lines
1.7 KiB
JavaScript
/**
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* Offscreen document: hosts the persistent WebSocket connection to Hive.
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*
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* MV3 service workers suspend after ~30s of inactivity, which would drop a
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* WebSocket. The offscreen document lives as long as Chrome does and relays
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* messages to/from the background service worker.
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*/
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const HIVE_WS_URL = "ws://127.0.0.1:9229/bridge";
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let ws = null;
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const RETRY_INTERVAL = 2000; // Poll every 2s while disconnected
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function connect() {
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try {
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ws = new WebSocket(HIVE_WS_URL);
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ws.onopen = () => {
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console.log("[Beeline] WebSocket connected to Hive");
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chrome.runtime.sendMessage({ _beeline: true, type: "ws_open" });
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};
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ws.onmessage = (event) => {
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chrome.runtime.sendMessage({ _beeline: true, type: "ws_message", data: event.data });
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};
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ws.onclose = (event) => {
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console.log(`[Beeline] WebSocket closed: code=${event.code}, reason=${event.reason}`);
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chrome.runtime.sendMessage({ _beeline: true, type: "ws_close" });
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setTimeout(connect, RETRY_INTERVAL);
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};
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ws.onerror = () => {
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console.warn(`[Beeline] WebSocket connection failed (server may not be running)`);
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};
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} catch (error) {
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console.error("[Beeline] Failed to create WebSocket:", error.message);
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setTimeout(connect, RETRY_INTERVAL);
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}
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}
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// Forward outbound messages from the service worker onto the WebSocket.
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chrome.runtime.onMessage.addListener((msg) => {
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if (msg._beeline && msg.type === "ws_send") {
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if (ws && ws.readyState === WebSocket.OPEN) {
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ws.send(msg.data);
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} else {
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console.warn("[Beeline] Cannot send - WebSocket not connected (state: %s)",
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ws ? ws.readyState : "null");
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}
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}
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});
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// Start connection
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connect();
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