From 3618cc04ffc33e434b18ef6cee2a5ef79273bf7f Mon Sep 17 00:00:00 2001
From: Eugen Rochko <eugen@zeonfederated.com>
Date: Sun, 2 Apr 2017 21:27:14 +0200
Subject: [PATCH] Add heartbeat to websockets streaming API connections
---
streaming/index.js | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/streaming/index.js b/streaming/index.js
index 0f838e411a..7edf6203fb 100644
--- a/streaming/index.js
+++ b/streaming/index.js
@@ -215,8 +215,11 @@ const streamHttpEnd = req => (id, listener) => {
// Setup stream output to WebSockets
const streamToWs = (req, ws) => {
+ const heartbeat = setInterval(() => ws.ping(), 15000)
+
ws.on('close', () => {
log.verbose(req.requestId, `Ending stream for ${req.accountId}`)
+ clearInterval(heartbeat)
})
return (event, payload) => {
@@ -234,6 +237,10 @@ const streamWsEnd = ws => (id, listener) => {
ws.on('close', () => {
unsubscribe(id, listener)
})
+
+ ws.on('error', e => {
+ unsubscribe(id, listener)
+ })
}
app.use(setRequestId)
--
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