refactor: use new port negotiation style

As changed in the API document, this now uses the new port negotiation style.

ref: N25B-168

src/robot_interface/endpoints/socket_base.py

@@ -2,8 +2,6 @@ from abc import ABCMeta
 
 import zmq
 
-from robot_interface.utils import zmq_socket_type_int_to_str, zmq_socket_type_complement
-
 
 class SocketBase(object):
     __metaclass__ = ABCMeta
@@ -11,16 +9,12 @@ class SocketBase(object):
     name = None
     socket = None
 
-    def __init__(self, name, data_type):
+    def __init__(self, identifier):
         """
-        :param name: The name of the endpoint.
-        :type name: str
-
-        :param data_type: The data type of the endpoint, e.g. "json", "binary", "text", etc.
-        :type data_type: str
+        :param identifier: The identifier of the endpoint.
+        :type identifier: str
         """
-        self.name = name
-        self.data_type = data_type
+        self.identifier = identifier
         self.port = None  # Set later by `create_socket`
         self.socket = None  # Set later by `create_socket`
         self.bound = None  # Set later by `create_socket`
@@ -71,9 +65,7 @@ class SocketBase(object):
         :rtype: dict
         """
         return {
-            "name": self.name,
+            "id": self.identifier,
             "port": self.port,
-            "pattern": zmq_socket_type_int_to_str[zmq_socket_type_complement[self.socket.getsockopt(zmq.TYPE)]],
-            "data_type": self.data_type,
             "bind": not self.bound
         }