lotte/ChamplainTechJournals
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migrate to git.charlotte.sh

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Charlotte Croce 2025-04-19 23:42:08 -04:00
commit fbd588721e
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21
sysadmin-ii-sys265/docker_proj1/app/app.py Normal file
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from flask import Flask, render_template
from flask_socketio import SocketIO, send
# initialize flask and socketio
app = Flask(__name__)
socketio = SocketIO(app)
# default page
@app.route('/')
def index():
return render_template('index.html')
# runs when message is received on socket
@socketio.on('message')
def handle_message(msg):
print("message: " + msg)
send(msg, broadcast=True)
# open websocket, listen on port 5000
if __name__ == '__main__':
socketio.run(app, host='0.0.0.0', port=5000, allow_unsafe_werkzeug=True)

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sysadmin-ii-sys265/docker_proj1/app/requirements.txt Normal file
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Flask==2.2.2
flask-socketio==5.3.2
werkzeug==2.2.2

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sysadmin-ii-sys265/docker_proj1/app/templates/index.html Normal file
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<!DOCTYPE html>
<html>
<head>
<title>sys265 chat</title>
</head>
<body>
<ul id="messages"></ul>
<input id="message_input" type="text">
<button onclick="sendMessage()">send</button>
<!-- import javascript sockets.io library-->
<script src="https://cdn.socket.io/4.0.1/socket.io.min.js"></script>
<script>
// create websocket object
const socket = io()
// update html when a message is sent/received
socket.on('message', function(msg) {
let li = document.createElement('li');
li.textContent = msg;
document.getElementById('messages').appendChild(li);
});
// send message on socket when button is clicked
function sendMessage() {
const message = document.getElementById('message_input').value;
socket.send(message);
document.getElementById('message_input').value = '';
}
</script>
</body>
</html>