B4A Library SecureWebSocket Client Library

This library allows you to create secure (wss://) and non-secure (ws://) WebSocket connections.

It is based on https://github.com/palmerc/SecureWebSockets, which adds SSL support to the Autobahn WebSocket library.

Usage is exactly same as WebSocket library:
http://www.b4x.com/android/forum/threads/websocket-client-library.40221/

Thanks to @Erel for his help!

NOTE: There are some limitations w.r.to connecting to LAN addresses / non-default ports.

 

[woniol]

Do I need to change something in server config?
I just replaced WebSocket with SecureWebsocket Class in my project and I get:

Conneting to WS server at: wss://xx.xx.xxx.xxx:8888/ws
WSHEnandler: WebSockets internal error (java.lang.NullPointerException)
Disconnected from WS server: WebSockets internal error (java.lang.NullPointerException)

the:
WebSockets internal error (java.lang.NullPointerException)
comes form ws_Closed event

 

[woniol]

The same results with Erel's examples from :
http://www.b4x.com/android/forum/threads/websocket-client-library.40221/#content

 

[daemon]

I too have faced this issue. It seems this code supports wss:// connections only to default port (443).

I have tested it working with wss://echo.websocket.org.

 

[woniol]

Works fine with wss://echo.websocket.org

Looks like it needs some config on server side.

 

[daemon]

May be. It works on heroku as well, without any specific configuration.

 

[Erel]

@daemon you should print the full error message in your library. This way you will be able to understand which code fails.

 

[daemon]

Tried debugging a little bit, found that the WebSocket library uses SSLCertificateSocketFactory to create a socket, which seems to return a closed socket for such conditions:
https://github.com/palmerc/SecureWe...avendo/autobahn/WebSocketConnection.java#L484

This results in NullPointerException at:
https://github.com/palmerc/SecureWe...de/tavendo/autobahn/WebSocketWriter.java#L382

And the WebSocket library calls onClose() on any exception with Reason set to details.