Added initial grpc setup

.gitignore

+netcode/

client/python/client.py

+import grpc
+from netcode.netcode_pb2_grpc import NotifierComStub
+from netcode.netcode_pb2 import *
+
+channel = grpc.insecure_channel('localhost:8080')
+stub = NotifierComStub(channel)
+
+def sendMessage(msg):
+    request = SendMessageRequest(msg)
+    response = stub.SendMessage(request)
+
+if __name__ == "__main__":
+    sendMessage("test")
\ No newline at end of file

server/server.py

+import grpc
+from concurrent import futures
+
+from netcode.netcode_pb2_grpc import *
+from netcode.netcode_pb2 import *
+
+class NotifierService(NotifierComServicer):
+    def SendMessage(self, request, context):
+        print(request.message)
+        return Nothing()
+
+if __name__ == "__main__":
+    server = grpc.server(futures.ThreadPoolExecutor(max_workers=10))
+    add_NotifierComServicer_to_server(
+        NotifierService, server)
+    server.add_insecure_port('[::]:8080')
+    server.start()
+    server.wait_for_termination()

shared/gen-python-netcode.sh

+#!/bin/bash
+##################################
+# Author: Martin Wistauder
+# Date: 05.10.2021
+# Version: 1.0
+##################################
+set -e
+
+usage='Usage: ./gen-python-netcode.sh {protobuf source dir} {output dir}
+Example usage: ./gen-python-netcode.sh ./protobuf ./netcode'
+
+# check params
+[ -z $1 ] && echo -e "Error: First parameter missing.\n$usage" && exit 1 || proto_dir="$1"
+[ -z $2 ] && echo -e "Error: Second parameter missing.\n$usage" && exit 1 || output_dir="$2"
+
+# vars
+proto_dir="$1"
+output_dir="$2"
+
+# generate the python netcode
+mkdir -p "$output_dir"
+python -m grpc_tools.protoc -I"$proto_dir" --python_out="$output_dir" --grpc_python_out="$output_dir" $(find "$proto_dir" -name "*.proto" -printf "%P ")

shared/netcode.proto

+syntax = "proto3";
+package netcode;
+
+service NotifierCom {
+  rpc SendMessage (SendMessageRequest) returns (Nothing);
+}
+
+message SendMessageRequest {
+  string message = 1;
+}
+
+message Nothing {
+}