introduce the initialization code for the aircraft data receiver

aman/com/EuroscopeReceiver.py

@@ -0,0 +1,38 @@
+#!/usr/bin/env python
+
+import zmq
+from zmq.asyncio import Context
+import zmq.auth
+from zmq.auth.asyncio import AsyncioAuthenticator
+
+from pathlib import Path
+from typing import Union, Optional
+
+# @brief Receives the information of EuroScope
+def EuroscopeReceiver():
+    # @brief Initializes the ZMQ socket
+    # @param[in] address The server address
+    # @param[in] serverKeyPath Path to the server's keypair
+    # @param[in] clientKeys Path to the client's keypairs
+    def __init__(self, address: str, serverKeyPath: Union[str, Path], clientKeys: Union[str, Path]):
+        self.context = Context.instance()
+
+        # initialize the authentication module
+        authLocation = (
+            str(clientKeys)
+        )
+        self.auth = AsyncioAuthenticator(context = self.context)
+        self.auth.configure_curve(domain='*', location = authLocation)
+        self.auth.allow('127.0.0.1')
+        self.auth.start()
+
+        # initialize the socket
+        self.socket = self.context.socket(zmq.REP)
+        keys = zmq.auth.load_certificate(serverKeyPath)
+        self.socket.setsockopt(zmq.CURVE_PUBLICKEY, keys[0])
+        self.socket.setsockopt(zmq.CURVE_SECRETKEY, keys[1])
+        self.socket.setsockopt(zmq.CURVE_SERVER, True)
+        self.socket.bind(address)
+
+    def __exit__(self, *_exc):
+        self.auth.stop()