[WS-Client] connect wss...
[WS-Client] connected to realtime.streamelements.com:443.
[WS-Client][sendHeader] sending header...
[WS-Client][sendHeader] handshake GET / HTTP/1.1
Host: realtime.streamelements.com:443
Connection: Upgrade
Upgrade: websocket
Sec-WebSocket-Version: 13
Sec-WebSocket-Key: 4zErqD0I5G2KsZJ1Hh7EOw==
Sec-WebSocket-Protocol: arduino
Origin: file://
User-Agent: arduino-WebSocket-Client

[write] n: %zu t: 258
[WS-Client][sendHeader] sending header... Done (27656us).
[WS-Client][handleHeader] RX: HTTP/1.1 503 Service Unavailable
[WS-Client][handleHeader] RX: Date: Fri, 04 Jan 2019 19:24:36 GMT
[WS-Client][handleHeader] RX: Content-Type: text/html
[WS-Client][handleHeader] RX: Transfer-Encoding: chunked
[WS-Client][handleHeader] RX: Connection: keep-alive
[WS-Client][handleHeader] RX: Set-Cookie: __cfduid=d11ef64fa3ae30c467bac79c79ad173f11546629876; expires=Sat, 04-Jan-20 19:24:36 GMT; path=/; domain=.streamelements.com; HttpOnly; Secure
[WS-Client][handleHeader] RX: Cache-Control: no-cache
[WS-Client][handleHeader] RX: Strict-Transport-Security: max-age=15552000; preload
[WS-Client][handleHeader] RX: X-Content-Type-Options: nosniff
[WS-Client][handleHeader] RX: Expect-CT: max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
[WS-Client][handleHeader] RX: Server: cloudflare
[WS-Client][handleHeader] RX: CF-RAY: 49401617186334b8-LHR
[WS-Client][handleHeader] Header read fin.
[WS-Client][handleHeader] Client settings:
[WS-Client][handleHeader]  - cURL: /
[WS-Client][handleHeader]  - cKey: 4zErqD0I5G2KsZJ1Hh7EOw==
[WS-Client][handleHeader] Server header:
[WS-Client][handleHeader]  - cCode: 503
[WS-Client][handleHeader]  - cIsUpgrade: 0
[WS-Client][handleHeader]  - cIsWebsocket: 1
[WS-Client][handleHeader]  - cAccept:
[WS-Client][handleHeader]  - cProtocol: arduino
[WS-Client][handleHeader]  - cExtensions:
[WS-Client][handleHeader]  - cVersion: 0
[WS-Client][handleHeader]  - cSessionId: d11ef64fa3ae30c467bac79c79ad173f11546629876
[WS-Client][handleHeader] no Websocket connection close.
[write] n: %zu t: 27
[WS-Client] client disconnected.