Christian Duranleau Tech Demo - WebSockets

Requirements

• Python 3.x
• Pip3
• Terminal interface to a computer

Instructions

Install dependencies

pip3 install -r requirements.txt

Run the Server

python3 main.py server

In a new terminal, run the client.

python3 main.py client

In the terminal for the client, enter some text. Inputs from the user will be denoted with the * symbol. Responses from the server will be denoted with the + symbol.

$ python3 main.py client
* Hello World!
+ Hello World!
*

In the terminal for the server, view the echoed text.

python3 main.py server
+ Hello World!

Exit the Client by pressing ctrl+c. Exit the server by pressing ctrl+c

Additional Verification Method using curl

# This creates a 24 byte key that is used to ensure unique websocket connections
x=`echo "24 byte strings" | base64`

curl --include \
     --no-buffer \
     --header "Connection: Upgrade" \
     --header "Upgrade: websocket" \
     --header "Host: localhost:1234" \
     --header "Origin: http://localhost:1234" \
     --header "Sec-WebSocket-Key: $x" \
     --header "Sec-WebSocket-Version: 13" \
     http://localhost:1234/