Set up ECU proxy server

server/main.py

@@ -0,0 +1,30 @@
+import asyncio
+from datetime import datetime, timedelta
+
+async def proxy(reader, writer):
+    message = await reader.read(1024)
+    addr = writer.get_extra_info('peername')
+
+    try:
+        print('Recvd from {}: {}'.format(addr[0], message))
+        offset = 32
+        date_time_obj = datetime.strptime(str(message)[offset:offset+14], '%Y%m%d%H%M%S') + timedelta(minutes=-5)
+        send_str = '101' + datetime.strftime(date_time_obj, '%Y%m%d%H%M%S')
+        send_data = send_str.encode()
+        print('Sending to {}: {}'.format(addr[0], send_data))
+        writer.write(send_data)
+        await writer.drain()
+    except ValueError:
+        print('Ignored unnecessary data')
+
+    writer.close()
+
+async def main():
+    for port in [8995, 8996, 8997]:
+        server = await asyncio.start_server(proxy, '192.168.69.69', port)
+        task = asyncio.create_task(server.serve_forever())
+
+    # block here for now
+    await task
+
+asyncio.run(main())