quickserv
websocketd
quickserv | websocketd | |
---|---|---|
7 | 14 | |
317 | 17,092 | |
- | - | |
0.0 | 0.0 | |
over 1 year ago | 6 months ago | |
Go | Go | |
MIT License | BSD 2-clause "Simplified" License |
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quickserv
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The beauty of CGI and simple design
> Zero external configuration, other than telling your webserver to enable CGI on your file
This is only true if you've done it before, and know what you're doing. In reality, it looks like a mess of `mod_cgi` configuration, trying different combinations of file permissions, finding the magic `cgi_bin` directory, finding the right obscure log files when there are inevitably errors, wrestling with CORS and other subtleties of HTTP headers, and other complexities that are only easy to navigate if you're already an experienced CGI user.
That being said, I love the philosophy of using CGI for scripts. Instead of using CGI itself, though, I wrote a (single-file, statically-linked) web server called "QuickServ" to bring this philosophy into the twenty-first century. It has all of the upside of CGI, but is much easier to set up and run, especially for beginners.
One of its benefits is that it automatically parses submitted HTTP forms, and converts the form fields to command line arguments. That means it's extremely easy to put existing CLIs on the web with minimal changes other than writing an HTML form front-end.
If you like CGI, I will (shamelessly) ask that you check it out!
https://github.com/jstrieb/quickserv
https://news.ycombinator.com/item?id=29002694
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Websocketd – It's like CGI, twenty years later, for WebSockets
This is awesome! This occupies a similar niche to—and might pair well with—my user friendly, single-binary webserver with CGI-like capabilities called QuickServ. When I released that here, one of the comments was that it would be nice to have WebSocket support. Now, I can just point people to this!
https://github.com/jstrieb/quickserv
- jstrieb/quickserv: Dangerously user-friendly web server for quick prototyping and hackathons
- Introducing QuickServ • Dangerously user-friendly web server for quick prototyping and hackathons
- QuickServ • Dangerously user-friendly web server for quick prototyping and hackathons
- QuickServ – User-friendly web server (only for Local networks!)
- Show HN: QuickServ • Dangerously user-friendly web server
websocketd
- Ask HN: Tips to get started on my own server
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Pipexec – Handling pipe of commands like a single command
Somewhat related: https://github.com/joewalnes/websocketd
> websocketd is a small command-line tool that will wrap an existing command-line interface program, and allow it to be accessed via a WebSocket.
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Structured Logging with Slog
I hadn't even considered collecting traces/spans in this way yet, and have taken the approach of "stuff outputting logs in JSON format to stderr/local file". I usually end up writing a (temporary, structured) log message with the relevant span tags, but wouldn't it would be much better to run the actual trace/span code and be able to verify it locally without the ad-hoc log message?
The prototype I built is a web application that creates websocket connections, and if those connections receive messages that are JSON, log lines are added. Columns are built dynamically as log messages arrive, and then you can pick which columns to render in the table. If you're curious here's the code, including a screenshot: https://github.com/corytheboyd-smartsheet/json-log-explorer
With websockets, it's very easy to use websocketd (http://websocketd.com), which will watch input files for new lines, and write them verbatim as websocket messages to listeners (the web app).
To make the idea real, would want to figure out how to not require the user to run websocketd out of band, but watching good ol' files is dead simple, and very easy to add to most code (add a new log sink, use existing log file, etc.)
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Ask HN: WebSocket server transforming channel subscriptions to gRPC streams
* Additionally, client can stream data to the backend server (if bidirectional GRPC streams are used). I.e. client sends WebSocket messages, those will be transformed to GRPC messages by WebSocket server and delivered to the application backend.
As a result we have a system which allows to quickly create individual streams by using strict GRPC contract but terminating connections over WebSocket transport. So it works well in web browsers. After that no need to write WebSocket protocol, client implementation, handle WebSocket connection. This all will be solved by a suggested WebSocket server and its client SDKs.
The mechanics is similar to Websocketd (https://github.com/joewalnes/websocketd), but instead of creating OS processes we create GRPC streams. The difference from grpc-web (https://github.com/grpc/grpc-web) is that we provide streaming capabilities but not exposing GRPC contract to the client - just allowing to stream any data as payload (both binary and text) with some wrappers from our client SDKs side for managing subscriptions. I.e. it's not native GRPC streams on the client side - we expose just Connection/Subscription object to stream in both directions. GRPC streams used only for communication between WebSocket server and backend. To mention - grpc-web does not support all kinds of streaming now (https://github.com/grpc/grpc-web#streaming-support) while proposed solution can. This all should provide a cross-platform way to quickly write streaming apps due to client SDKs and language-agnostic nature of GRPC.
I personally see both pros and cons in this scheme (without concentrating on both too much here to keep the question short). I spent some time thinking about this myself, already have some working prototypes – but turned out need more opinions before moving forward with the idea and releasing this, kinda lost in doubts.
My main question - whether this seems interesting for someone here? Do you find this useful and see practical value?
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WebSocket to TCP bridge for game servers? Alternative to websockify?
I also used to use this (http://websocketd.com/) along with netcat(1) before just biting the bullet and writing my own websocket library for our server as we needed to scale up slightly.
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A library for exposing simple scripts? (Scripts As A Service)
Another option if you’re ready to implement the frontend part is https://github.com/joewalnes/websocketd which has the advantage of streaming the output of your script
- websocketd
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Show HN: How did I live without Pipe Watch?
Wanted to add websocketd [1]. It's an amazing tool to stream debugging logs to another system where you can build your webapps that accumulate alerts.
Use it only for debugging builds and not for production (obviously).
[1] https://github.com/joewalnes/websocketd
- Websocketd – It's like CGI, twenty years later, for WebSockets
What are some alternatives?
Trusted-CGI - Lightweight runner for lambda functions/apps in CGI like mode
websocat - Command-line client for WebSockets, like netcat (or curl) for ws:// with advanced socat-like functions
vehiclelogserver - Vehicle logging server for Second Life vehicles
Crow - A Fast and Easy to use microframework for the web.
preemptible-thread - How to preempt threads in user space
ArduinoWebsockets - A library for writing modern websockets applications with Arduino (ESP8266 and ESP32)
php - Prolog Home Page
IncludeOS - A minimal, resource efficient unikernel for cloud services
quickserv-examples - Example applications to run with QuickServ
sish - HTTP(S)/WS(S)/TCP Tunnels to localhost using only SSH.
sozluk-cgi - one of the first versions of ekşi sözlük code as of may 1999
lithium - Easy to use C++17 HTTP Server with no compromise on performances. https://matt-42.github.io/lithium