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webpipe

A simple command line websocket utility for piping messages to and from a browser

Server

while true; do date; sleep 1; done | webpipe -f test.html

Client

webpipe -i '{"type":"subscribe","product_id":"BTC-USD"}' wss://ws-feed.exchange.coinbase.com|sed -n 's/.*price":"\([0-9\.]*\)".*/\1/p'

Installation

git clone https://github.com/emgram769/webpipe && cd webpipe
./build.sh --install

Or you can install the latest version of libwebsockets (source here) and run make instead of ./build.sh.

Try it out

./build.sh
./webpipe -f test.html

Navigate to localhost:8000 and open your browser's console. Type what ever you'd like into your terminal.

Use it as a simple chat

In one shell:

webpipe

and in another:

webpipe localhost:8000

Usage

####Client:

webpipe somesite.com

for example

webpipe -i '{"type":"subscribe","product_id":"BTC-USD"}' wss://ws-feed.exchange.coinbase.com

####Server:

webpipe -p 5000 -f file.html

Flags

  • -p [port] to specify a port number to serve on.
  • -f [file] to host an HTML file (hardcoded mime-type).
  • -i [message] to send a message once the server is connected. This is useful for subscription based services.
  • -s to attempt to connect with SSL.
  • -D [delimiter] to specify a character other than \n as a delimiter.
  • -d to see debug messages in stderr.
  • -U [max users] to specify the maximum number of connections.
  • -B [max buffer size] to specify the maximum size of any sent message.