Introduction and function summary of Autobahnpython Library
Autobahnpython is a Python library for building a WebSocket client and server.It provides a simple and efficient way to implement the WebSocket protocol and make it easier to develop WebSocket applications.
Autobahnpython library consists of two main components: Autobahn | Python and Autobahn | WebSocket.Autobahn | Python is a Python library based on the Twisted framework, which provides the function of processing network communication.It allows cross -platform operation and supports development on operating systems such as Windows, Linux and Mac OS, and is very stable and reliable.
Autobahn | WebSocket is a library used to handle the WebSocket connection, which provides a complete WebSocket protocol support.Using Autobahn | WebSocket, users can easily create WebSocket clients and servers, and can process and receive WebSocket messages, as well as the opening and closing of the webSocket connection.
Autobahnpython's function is very powerful and flexible.It supports a large number of WebSocket protocol extensions and allows users to add custom functions and protocols as needed.It also provides some advanced functions, such as current control, timeout processing, and asynchronous IO, making it possible to deal with a large number of concurrent connections.
In order to use the Autobahnpython library, it is necessary to install it in the Python environment.You can install it through the PIP command. For example, run the following commands in the command line:
pip install autobahn
After the installation is complete, you can introduce the Autobahnpython library in the Python script, and then use the corresponding class and functions to implement the development of the WebSocket application.The following is a simple example:
python
from autobahn.twisted.websocket import WebSocketServerProtocol, WebSocketServerFactory
class MyServerProtocol(WebSocketServerProtocol):
def onConnect(self, request):
print("Client connected.")
def onMessage(self, payload, isBinary):
if isBinary:
print("Binary message received: {0} bytes".format(len(payload)))
else:
print("Text message received: {0}".format(payload.decode('utf8')))
def onDisconnect(self, wasClean, code, reason):
print("Client disconnected.")
if __name__ == '__main__':
factory = WebSocketServerFactory()
factory.protocol = MyServerProtocol
from twisted.internet import reactor
reactor.listenTCP(9000, factory)
reactor.run()
The above code creates a WebSocket server to monitor the local 9000 port.By inheriting the WebSocketserverprotocol class and implementing the corresponding adjustment function, events can be processed, receiving messages, and disconnecting connections.In the onMessage function, corresponding processing according to the message type (binary or text).
After running this program, it will wait for the client connection and print the corresponding information when receiving the message.You can connect to this server with the WebSocket client tool (such as the JavaScript code in the browser or other Websocket client library) and send messages for testing.
Autobahnpython provides detailed documentation and example code to help developers get started quickly and implement their own WebSocket applications.