Created
November 5, 2018 16:26
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Caddy Websocket test
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| <!DOCTYPE html> | |
| <html lang="en"> | |
| <head> | |
| <meta charset="UTF-8"> | |
| <meta name="viewport" content="width=device-width, initial-scale=1.0"> | |
| <title>Caddy Websocket test</title> | |
| </head> | |
| <body> | |
| <pre> | |
| <span id="console" style="border: 1px solid black"></span> | |
| </pre> | |
| <script> | |
| function replaceCrCr(str) { | |
| for (let i = str.indexOf('\r\n'); i >= 0; i = str.indexOf('\r\n')) | |
| str = str.substr(0, i) + str.substr(i + 1); | |
| let firstIndex = str.indexOf('\r'); | |
| let lastIndex = str.lastIndexOf('\r'); | |
| if (firstIndex < 0) | |
| return str; | |
| if (firstIndex !== lastIndex) | |
| return str.substr(0, firstIndex) + str.substr(lastIndex + 1); | |
| let nIndex = str.lastIndexOf('\n'); | |
| if (nIndex >= 0) | |
| return str.substr(0, nIndex + 1) + str.substr(lastIndex + 1); | |
| return str; | |
| } | |
| function wsOnMessage(e) { | |
| let cs = document.getElementById('console'); | |
| let data = replaceCrCr(e.data); | |
| let rIndex = data.indexOf('\r') | |
| if (rIndex >= 0) { | |
| let oldText = cs.innerText; | |
| let nIndex = oldText.lastIndexOf('\n'); | |
| if (nIndex >= 0) | |
| cs.innerText = oldText.substr(0, nIndex + 1) + data.substr(rIndex + 1); | |
| else | |
| cs.innerText = data.substr(rIndex + 1); | |
| } else | |
| cs.innerText += data; | |
| } | |
| let ws = new WebSocket("ws://localhost:2015/test"); | |
| ws.onopen = () => document.getElementById('console').innerText += '[WS OPEN]' + '\n'; | |
| ws.onmessage = wsOnMessage; | |
| ws.onclose = () => document.getElementById('console').innerText += '[WS CLOSED]' + '\n'; | |
| </script> | |
| </body> | |
| </html> |
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