Change incorrect WebSocket reference to Unix sockets #133
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I believe that the reference to WebSockets is incorrect in the book. I think that this is not actually WebSockets but instead a standard Unix socket abstraction.
Normally, WebSockets is a protocol for establishing a two-way communication to a backend webserver (after performing a HTTP upgrade).
In the book, only the normal request and response flow is shown.
[1] https://en.wikipedia.org/wiki/WebSocket
[2] https://en.wikipedia.org/wiki/Berkeley_sockets#Socket_API_functions
Once again, thank you for writing this book.
I assign the copyright of this contribution to Pedro Duarte Faria.