Simon Willison’s Weblog

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Items tagged http, websockets

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See this page fetch itself, byte by byte, over TLS (via) George MacKerron built a TLS 1.3 library in TypeScript and used it to construct this amazing educational demo, which performs a full HTTPS request for its own source code over a WebSocket and displays an annotated byte-by-byte representation of the entire exchange. This is the most useful illustration of how HTTPS actually works that I’ve ever seen. # 10th May 2023, 1:58 pm

Mongrel2 is “Self-Hosting”. Zed Shaw’s Mongrel2 is shaping up to be a really interesting project. “A web server simply written in C that loves all languages equally”, the two most interesting new ideas are the ability to handle HTTP, Flash Sockets and WebSockets all on the same port (thanks to an extension to the Mongrel HTTP parser that can identify all three protocols) and the ability to hook Mongrel2 up to the backend servers using either TCP/IP or ZeroMQ. I’m guessing this means Mongrel2 could hold an HTTP request open, fire off some messages and wait for various backends to send messages back to construct the response, making async processing just as easy as a regular blocking request/response cycle. # 17th June 2010, 8:11 pm

Real time online activity monitor example with node.js and WebSocket. A neat exploration of Node.js—first hooking a “tail -f” process up to an HTTP push stream, then combining that with HTML 5 WebSockets to achieve reliable streaming. # 8th December 2009, 11:07 pm