Add TCP support

[nu-lda]

This Go-Binary currently doesn't support sending the logs via TCP.
For a more secure Graylog deployment sending logs via TCP with TLS is recommended.
Is there a way to implement the option of using TCP as transport instead of UDP?

[SjonHortensius]

There seems to be some progress on this in https://github.com/Graylog2/go-gelf/tree/v2 - but apparently that still doesn't support TLS

[nu-lda]

Thanks for your answer.
Looking into the go-gelf repo I also found https://github.com/Graylog2/go-gelf/tree/tls
Although it's not documented in the README it looks to me like there's an implementation for TLSWriter in there.
Have you considered adding an option of choosing which writer to use when launching the compiled binary (via command line option etc.)?