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Handle reconnect logic better to (hopefully) avoid duplicate connections

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James Allen 2014-11-19 11:52:40 +00:00
parent db3537a8eb
commit 861eafd88d
1 changed files with 11 additions and 2 deletions
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13
libraries/redis-wrapper/index.coffee
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@ -41,8 +41,17 @@ module.exports = RedisSharelatex =
reconnectIfInactive = () ->
timeSinceLastHeartbeat = Date.now() - lastHeartbeat
if timeSinceLastHeartbeat > reconnectAfter
console.warn "No heartbeat for #{timeSinceLastHeartbeat}ms, reconnecting"
sub.connection_gone("no heartbeat for #{timeSinceLastHeartbeat}ms")
console.warn "[#{new Date()}] No heartbeat for #{timeSinceLastHeartbeat}ms on #{heartbeatChannel}, reconnecting"
# If the client realises it isn't connected then will be trying to
# restablish the connection, so there's nothing for us to do. If
# it still thinks it's connected, then disconnect it and start to reconnect.
if sub.connected
sub.end()
# We ended the connection, but want to start it up again, so set
# the internal closing variable:
sub.closing = false
# Trigger the reconnect:
sub.connection_gone("no heartbeat for #{timeSinceLastHeartbeat}ms")
# Reset timer after triggering a reconnect to avoid potential cascading failure.
lastHeartbeat = Date.now()