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# NIOWebSocketServer
This sample application provides a simple WebSocket server which replies to a limited number of WebSocket message types. Initially, it sends clients back a test page response to a valid HTTP1 GET request. A 405 error will be reported for any other type of request. Once upgraded to WebSocket responses it will respond to a number of WebSocket message opcodes. Invoke it using one of the following syntaxes:
```bash
swift run NIOWebSocketServer # Binds the server on 'localhost', port 8888.
swift run NIOWebSocketServer 9899 # Binds the server on 'localhost', port 9899
swift run NIOWebSocketServer /path/to/unix/socket # Binds the server using the given UNIX socket
swift run NIOWebSocketServer 192.168.0.5 9899 # Binds the server on 192.168.0.5:9899
```
## Message Type Opcodes
The WebSocket server responds to the following message type opcodes:
- `connectionClose`: closes the connection.
- `ping`: replies with a 'pong' message containing frame data matching the received message.
- `text`: prints the received string out on the server console.
All other message types are ignored.
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