websocket API
This commit is contained in:
Face
@@ -1569,6 +1569,219 @@ var HTML_CONTENTa = """<head>
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""".to_utf8_buffer()
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""".to_utf8_buffer()
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var HTML_CONTENT = """<head>
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var HTML_CONTENT = """<head>
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<title>WebSocket API Demo</title>
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<icon src="https://upload.wikimedia.org/wikipedia/commons/thumb/c/cf/Lua-Logo.svg/256px-Lua-Logo.svg.png">
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<meta name="theme-color" content="#059669">
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<meta name="description" content="Demonstrating WebSocket real-time communication API">
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<style>
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body { bg-[#f0fdf4] p-6 }
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h1 { text-[#059669] text-3xl font-bold text-center }
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h2 { text-[#047857] text-xl font-semibold }
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.container { bg-[#ffffff] p-6 rounded-lg shadow-lg max-w-4xl mx-auto }
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.button-group { flex gap-3 justify-center items-center flex-wrap }
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.ws-button { px-4 py-2 rounded-lg font-medium cursor-pointer transition-colors bg-[#10b981] text-white hover:bg-[#059669] }
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.send-button { px-4 py-2 rounded-lg font-medium cursor-pointer transition-colors bg-[#3b82f6] text-white hover:bg-[#2563eb] }
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.disconnect-button { px-4 py-2 rounded-lg font-medium cursor-pointer transition-colors bg-[#ef4444] text-white hover:bg-[#dc2626] }
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.clear-button { px-4 py-2 rounded-lg font-medium cursor-pointer transition-colors bg-[#6b7280] text-white hover:bg-[#4b5563] }
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.log-area { bg-[#f1f5f9] p-4 rounded-lg min-h-32 font-mono text-sm max-h-96 overflow-auto }
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.info-box { bg-[#dbeafe] border border-[#3b82f6] p-4 rounded-lg }
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.input-area { bg-[#f9fafb] p-4 rounded-lg border }
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.status-connected { text-[#059669] font-bold }
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.status-disconnected { text-[#ef4444] font-bold }
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.status-connecting { text-[#f59e0b] font-bold }
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</style>
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<script>
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-- Get UI elements
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local logArea = gurt.select('#log-area')
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local statusDisplay = gurt.select('#status-display')
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local connectBtn = gurt.select('#connect-btn')
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local disconnectBtn = gurt.select('#disconnect-btn')
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local sendBtn = gurt.select('#send-btn')
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local clearLogBtn = gurt.select('#clear-log-btn')
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local urlInput = gurt.select('#url-input')
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local messageInput = gurt.select('#message-input')
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gurt.log('WebSocket API demo script started.')
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local logMessages = {}
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local socket = nil
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local connected = false
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-- Function to add message to log
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local function addLog(message)
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table.insert(logMessages, Time.format(Time.now(), '%H:%M:%S') .. ' - ' .. message)
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if #logMessages > 50 then
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table.remove(logMessages, 1)
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end
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logArea.text = table.concat(logMessages, '\\n')
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end
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-- Function to update status display
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local function updateStatus(status, color)
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statusDisplay.text = 'Status: ' .. status
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statusDisplay.style = 'status-' .. color
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end
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-- Initialize with default values
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urlInput.text = 'wss://echo.websocket.org'
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messageInput.text = 'Hello from Gurted!'
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-- Connect to WebSocket
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connectBtn:on('click', function()
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local url = urlInput.text
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addLog('Attempting to connect to: ' .. url)
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updateStatus('Connecting...', 'connecting')
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socket = WebSocket:new(url)
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socket:on('open', function()
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addLog('✅ Connected to WebSocket server!')
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updateStatus('Connected', 'connected')
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connected = true
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socket:send('Hello from the Gurted web!')
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end)
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socket:on('message', function(event)
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addLog('📨 Received: ' .. event.data)
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end)
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socket:on('close', function()
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addLog('❌ Connection closed')
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updateStatus('Disconnected', 'disconnected')
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connected = false
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end)
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socket:on('error', function(event)
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addLog('🚨 Error: ' .. (event.message or 'Unknown error'))
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updateStatus('Error', 'disconnected')
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connected = false
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end)
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end)
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-- Disconnect from WebSocket
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disconnectBtn:on('click', function()
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if socket and connected then
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addLog('Disconnecting from WebSocket...')
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socket:close()
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else
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addLog('No active connection to disconnect')
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end
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end)
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-- Send message
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sendBtn:on('click', function()
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if socket and connected then
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local message = messageInput.text
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if message and message ~= '' then
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socket:send(message)
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addLog('📤 Sent: ' .. message)
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else
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addLog('❌ Cannot send empty message')
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end
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else
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addLog('❌ Not connected to WebSocket server')
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end
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end)
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-- Clear log button
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clearLogBtn:on('click', function()
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logMessages = {}
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logArea.text = 'Log cleared.'
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addLog('WebSocket API demo ready')
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end)
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-- Allow Enter key to send messages
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messageInput:on('keypress', function(e)
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if e.key == 'Enter' and socket and connected then
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local message = messageInput.text
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if message and message ~= '' then
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socket:send(message)
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addLog('📤 Sent: ' .. message)
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messageInput.text = ''
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end
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end
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end)
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-- Initialize
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updateStatus('Disconnected', 'disconnected')
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addLog('WebSocket API demo ready')
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addLog('Enter a WebSocket URL and click Connect to start!')
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</script>
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</head>
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<body>
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<h1>🔌 WebSocket API Demo</h1>
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<div style="container mt-6">
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<div style="info-box mb-6">
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<h3 style="text-[#1e40af] font-semibold mb-2">WebSocket API Usage:</h3>
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<p><code>local socket = WebSocket:new(url)</code></p>
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<p><code>socket:on('open', function() ... end)</code></p>
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<p><code>socket:on('message', function(event) print(event.data) end)</code></p>
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<p><code>socket:send('Hello Server!')</code></p>
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<p><code>socket:close()</code></p>
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</div>
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<h2>Connection</h2>
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<div style="input-area mb-6">
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<div style="flex flex-col gap-3">
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<div>
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<label style="block text-sm font-medium mb-1">WebSocket URL:</label>
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<input id="url-input" type="text" style="w-full p-2 border border-gray-300 rounded-md" placeholder="ws://echo.websocket.org" />
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</div>
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<div id="status-display" style="status-disconnected">Status: Disconnected</div>
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<div style="flex gap-2">
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<button id="connect-btn" style="ws-button">🔗 Connect</button>
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<button id="disconnect-btn" style="disconnect-button">❌ Disconnect</button>
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</div>
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</div>
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</div>
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<h2>Send Messages</h2>
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<div style="input-area mb-6">
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<div style="flex flex-col gap-3">
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<div>
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<label style="block text-sm font-medium mb-1">Message:</label>
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<input id="message-input" type="text" style="w-full p-2 border border-gray-300 rounded-md" placeholder="Type your message..." />
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</div>
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<div style="flex gap-2">
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<button id="send-btn" style="send-button">📤 Send Message</button>
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<span style="text-sm text-gray-600">Or press Enter to send</span>
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</div>
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</div>
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</div>
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<h2>Event Log</h2>
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<div style="button-group mb-3">
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<button id="clear-log-btn" style="clear-button">🧹 Clear Log</button>
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</div>
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<div style="log-area mb-6">
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<pre id="log-area">Initializing...</pre>
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</div>
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<div style="bg-[#f0f9ff] p-4 rounded-lg">
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<h3 style="text-[#0369a1] font-semibold mb-2">WebSocket Events:</h3>
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<ul style="text-[#075985] space-y-1 text-sm">
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<li><strong>open:</strong> Fired when connection is established</li>
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<li><strong>message:</strong> Fired when a message is received (event.data contains the message)</li>
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<li><strong>close:</strong> Fired when connection is closed</li>
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<li><strong>error:</strong> Fired when an error occurs (event.message contains error info)</li>
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</ul>
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<h3 style="text-[#0369a1] font-semibold mt-4 mb-2">WebSocket Methods:</h3>
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<ul style="text-[#075985] space-y-1 text-sm">
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<li><strong>WebSocket:new(url):</strong> Creates and connects to WebSocket server</li>
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<li><strong>socket:send(message):</strong> Sends a text message to the server</li>
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<li><strong>socket:close():</strong> Closes the connection</li>
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<li><strong>socket:on(event, callback):</strong> Registers event handlers</li>
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</ul>
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</div>
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</div>
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</body>
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""".to_utf8_buffer()
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var HTML_CONTENTy = """<head>
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<title>Network & JSON API Demo</title>
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<title>Network & JSON API Demo</title>
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<icon src="https://upload.wikimedia.org/wikipedia/commons/thumb/c/cf/Lua-Logo.svg/256px-Lua-Logo.svg.png">
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<icon src="https://upload.wikimedia.org/wikipedia/commons/thumb/c/cf/Lua-Logo.svg/256px-Lua-Logo.svg.png">
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<meta name="theme-color" content="#0891b2">
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<meta name="theme-color" content="#0891b2">
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@@ -122,10 +122,7 @@ func _lua_thread_worker():
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lua_vm.lua_setfield(-2, "sleep")
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lua_vm.lua_setfield(-2, "sleep")
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lua_vm.lua_setglobal("Time")
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lua_vm.lua_setglobal("Time")
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# Setup GURT API with thread-safe versions
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_setup_threaded_gurt_api()
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_setup_threaded_gurt_api()
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# Setup additional API functions that are needed in callbacks
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_setup_additional_lua_apis()
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_setup_additional_lua_apis()
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while not should_exit:
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while not should_exit:
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@@ -320,17 +317,11 @@ func _setup_additional_lua_apis():
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lua_vm.lua_setfield(-2, "tostring")
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lua_vm.lua_setfield(-2, "tostring")
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lua_vm.lua_pop(1) # Pop table from stack
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lua_vm.lua_pop(1) # Pop table from stack
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# Setup Signal API for threaded execution
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LuaSignalUtils.setup_signal_api(lua_vm)
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LuaSignalUtils.setup_signal_api(lua_vm)
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# Setup Clipboard API for threaded execution
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LuaClipboardUtils.setup_clipboard_api(lua_vm)
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LuaClipboardUtils.setup_clipboard_api(lua_vm)
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# Setup Network API for threaded execution
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LuaNetworkUtils.setup_network_api(lua_vm)
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LuaNetworkUtils.setup_network_api(lua_vm)
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# Setup JSON API for threaded execution
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LuaJSONUtils.setup_json_api(lua_vm)
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LuaJSONUtils.setup_json_api(lua_vm)
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LuaWebSocketUtils.setup_websocket_api(lua_vm)
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func _threaded_table_tostring_handler(vm: LuauVM) -> int:
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func _threaded_table_tostring_handler(vm: LuauVM) -> int:
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vm.luaL_checktype(1, vm.LUA_TTABLE)
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vm.luaL_checktype(1, vm.LUA_TTABLE)
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260
flumi/Scripts/Utils/Lua/WebSocket.gd
Normal file
260
flumi/Scripts/Utils/Lua/WebSocket.gd
Normal file
@@ -0,0 +1,260 @@
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class_name LuaWebSocketUtils
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extends RefCounted
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static var websocket_instances: Dictionary = {}
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static var instance_counter: int = 0
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class WebSocketWrapper:
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extends RefCounted
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var instance_id: String
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var vm: LuauVM
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var url: String
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var websocket: WebSocketPeer
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var is_connected: bool = false
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var event_handlers: Dictionary = {}
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var timer: Timer
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var last_state: int = -1
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func _init():
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websocket = WebSocketPeer.new()
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func connect_to_url():
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if is_connected:
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return
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var error = websocket.connect_to_url(url)
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if error == OK:
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# Start polling timer
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if timer:
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timer.queue_free()
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timer = Timer.new()
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timer.wait_time = 0.016 # ~60 FPS polling
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timer.timeout.connect(_poll_websocket)
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# Add to scene tree using call_deferred for thread safety
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var main_loop = Engine.get_main_loop()
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if main_loop and main_loop.current_scene:
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main_loop.current_scene.call_deferred("add_child", timer)
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timer.call_deferred("start")
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else:
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trigger_event("error", {"message": "No scene available for WebSocket timer"})
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else:
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trigger_event("error", {"message": "Failed to connect to " + url + " (error: " + str(error) + ")"})
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func _poll_websocket():
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if not websocket:
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return
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websocket.poll()
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var state = websocket.get_ready_state()
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match state:
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WebSocketPeer.STATE_OPEN:
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if not is_connected:
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is_connected = true
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trigger_event("open", {})
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# Check for messages
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while websocket.get_available_packet_count() > 0:
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var packet = websocket.get_packet()
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var message = packet.get_string_from_utf8()
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trigger_event("message", {"data": message})
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WebSocketPeer.STATE_CLOSED:
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if is_connected:
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is_connected = false
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trigger_event("close", {})
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# Clean up timer
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if timer:
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timer.queue_free()
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timer = null
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WebSocketPeer.STATE_CONNECTING:
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# Still connecting, keep polling
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pass
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WebSocketPeer.STATE_CLOSING:
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# Connection is closing
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if is_connected:
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||||||
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is_connected = false
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||||||
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||||||
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_:
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||||||
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# Unknown state or connection failed
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if is_connected:
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is_connected = false
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trigger_event("close", {})
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elif not is_connected:
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||||||
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# This might be a connection failure
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||||||
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trigger_event("error", {"message": "Connection failed or was rejected by server"})
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||||||
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||||||
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func send_message(message: String):
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if is_connected and websocket:
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||||||
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websocket.send_text(message)
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||||||
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func close_connection():
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||||||
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if websocket:
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||||||
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websocket.close()
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||||||
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is_connected = false
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||||||
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||||||
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if timer:
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||||||
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timer.queue_free()
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||||||
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timer = null
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||||||
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||||||
|
func trigger_event(event_name: String, data: Dictionary):
|
||||||
|
if not vm or not event_handlers.has(event_name):
|
||||||
|
return
|
||||||
|
|
||||||
|
var func_ref = event_handlers[event_name]
|
||||||
|
|
||||||
|
# Get the function from the reference
|
||||||
|
vm.lua_getref(func_ref)
|
||||||
|
|
||||||
|
if vm.lua_isfunction(-1):
|
||||||
|
# Create event data table
|
||||||
|
vm.lua_newtable()
|
||||||
|
for key in data:
|
||||||
|
vm.lua_pushvariant(data[key])
|
||||||
|
vm.lua_setfield(-2, key)
|
||||||
|
|
||||||
|
# Call the function
|
||||||
|
var result = vm.lua_pcall(1, 0, 0)
|
||||||
|
if result != vm.LUA_OK:
|
||||||
|
vm.lua_pop(1)
|
||||||
|
else:
|
||||||
|
vm.lua_pop(1) # Pop the non-function value
|
||||||
|
|
||||||
|
static func setup_websocket_api(vm: LuauVM):
|
||||||
|
vm.lua_newtable()
|
||||||
|
vm.lua_pushcallable(_websocket_new, "WebSocket.new")
|
||||||
|
vm.lua_setfield(-2, "new")
|
||||||
|
vm.lua_setglobal("WebSocket")
|
||||||
|
|
||||||
|
static func _websocket_new(vm: LuauVM) -> int:
|
||||||
|
# handle both WebSocket:new(url) and WebSocket.new(url) syntax
|
||||||
|
var url: String
|
||||||
|
if vm.lua_gettop() == 2 and vm.lua_istable(1):
|
||||||
|
url = vm.luaL_checkstring(2)
|
||||||
|
else:
|
||||||
|
url = vm.luaL_checkstring(1)
|
||||||
|
|
||||||
|
# Generate unique instance ID
|
||||||
|
instance_counter += 1
|
||||||
|
var instance_id = "ws_" + str(instance_counter)
|
||||||
|
|
||||||
|
# Create WebSocket wrapper object
|
||||||
|
var wrapper = WebSocketWrapper.new()
|
||||||
|
wrapper.instance_id = instance_id
|
||||||
|
wrapper.vm = vm
|
||||||
|
wrapper.url = url
|
||||||
|
|
||||||
|
# Store in global instances to keep it alive
|
||||||
|
websocket_instances[instance_id] = wrapper
|
||||||
|
|
||||||
|
# Create Lua table for the WebSocket
|
||||||
|
vm.lua_newtable()
|
||||||
|
|
||||||
|
# Store instance ID
|
||||||
|
vm.lua_pushstring(instance_id)
|
||||||
|
vm.lua_setfield(-2, "_instance_id")
|
||||||
|
|
||||||
|
# Store URL
|
||||||
|
vm.lua_pushstring(url)
|
||||||
|
vm.lua_setfield(-2, "_url")
|
||||||
|
|
||||||
|
# Store connection state
|
||||||
|
vm.lua_pushboolean(false)
|
||||||
|
vm.lua_setfield(-2, "_connected")
|
||||||
|
|
||||||
|
# Initialize event handlers table
|
||||||
|
vm.lua_newtable()
|
||||||
|
vm.lua_setfield(-2, "_event_handlers")
|
||||||
|
|
||||||
|
# Add methods
|
||||||
|
vm.lua_pushcallable(_websocket_on, "websocket.on")
|
||||||
|
vm.lua_setfield(-2, "on")
|
||||||
|
|
||||||
|
vm.lua_pushcallable(_websocket_send, "websocket.send")
|
||||||
|
vm.lua_setfield(-2, "send")
|
||||||
|
|
||||||
|
vm.lua_pushcallable(_websocket_close, "websocket.close")
|
||||||
|
vm.lua_setfield(-2, "close")
|
||||||
|
|
||||||
|
vm.lua_pushcallable(_websocket_connect, "websocket.connect")
|
||||||
|
vm.lua_setfield(-2, "connect")
|
||||||
|
|
||||||
|
# Auto-connect
|
||||||
|
wrapper.connect_to_url()
|
||||||
|
|
||||||
|
return 1
|
||||||
|
|
||||||
|
static func _websocket_on(vm: LuauVM) -> int:
|
||||||
|
vm.luaL_checktype(1, vm.LUA_TTABLE)
|
||||||
|
var event_name: String = vm.luaL_checkstring(2)
|
||||||
|
vm.luaL_checktype(3, vm.LUA_TFUNCTION)
|
||||||
|
|
||||||
|
# Get instance ID
|
||||||
|
vm.lua_getfield(1, "_instance_id")
|
||||||
|
var instance_id: String = vm.lua_tostring(-1)
|
||||||
|
vm.lua_pop(1)
|
||||||
|
|
||||||
|
# Get wrapper instance
|
||||||
|
var wrapper: WebSocketWrapper = websocket_instances.get(instance_id)
|
||||||
|
if wrapper:
|
||||||
|
# Store the function reference in wrapper
|
||||||
|
var func_ref = vm.lua_ref(3)
|
||||||
|
wrapper.event_handlers[event_name] = func_ref
|
||||||
|
|
||||||
|
return 0
|
||||||
|
|
||||||
|
static func _websocket_send(vm: LuauVM) -> int:
|
||||||
|
vm.luaL_checktype(1, vm.LUA_TTABLE)
|
||||||
|
var message: String = vm.luaL_checkstring(2)
|
||||||
|
|
||||||
|
# Get instance ID
|
||||||
|
vm.lua_getfield(1, "_instance_id")
|
||||||
|
var instance_id: String = vm.lua_tostring(-1)
|
||||||
|
vm.lua_pop(1)
|
||||||
|
|
||||||
|
# Get wrapper instance
|
||||||
|
var wrapper: WebSocketWrapper = websocket_instances.get(instance_id)
|
||||||
|
if wrapper and wrapper.is_connected:
|
||||||
|
wrapper.send_message(message)
|
||||||
|
else:
|
||||||
|
vm.luaL_error("WebSocket is not connected")
|
||||||
|
|
||||||
|
return 0
|
||||||
|
|
||||||
|
static func _websocket_close(vm: LuauVM) -> int:
|
||||||
|
vm.luaL_checktype(1, vm.LUA_TTABLE)
|
||||||
|
|
||||||
|
# Get instance ID
|
||||||
|
vm.lua_getfield(1, "_instance_id")
|
||||||
|
var instance_id: String = vm.lua_tostring(-1)
|
||||||
|
vm.lua_pop(1)
|
||||||
|
|
||||||
|
# Get wrapper instance
|
||||||
|
var wrapper: WebSocketWrapper = websocket_instances.get(instance_id)
|
||||||
|
if wrapper:
|
||||||
|
wrapper.close_connection()
|
||||||
|
|
||||||
|
return 0
|
||||||
|
|
||||||
|
static func _websocket_connect(vm: LuauVM) -> int:
|
||||||
|
vm.luaL_checktype(1, vm.LUA_TTABLE)
|
||||||
|
|
||||||
|
# Get instance ID
|
||||||
|
vm.lua_getfield(1, "_instance_id")
|
||||||
|
var instance_id: String = vm.lua_tostring(-1)
|
||||||
|
vm.lua_pop(1)
|
||||||
|
|
||||||
|
# Get wrapper instance
|
||||||
|
var wrapper: WebSocketWrapper = websocket_instances.get(instance_id)
|
||||||
|
if wrapper:
|
||||||
|
wrapper.connect_to_url()
|
||||||
|
|
||||||
|
return 0
|
||||||
1
flumi/Scripts/Utils/Lua/WebSocket.gd.uid
Normal file
1
flumi/Scripts/Utils/Lua/WebSocket.gd.uid
Normal file
@@ -0,0 +1 @@
|
|||||||
|
uid://boar4c3uf4x1e
|
||||||
Reference in New Issue
Block a user