Renamed LocalParticipant, removed Register

Examples/BB2B_networking.py

@@ -3,14 +3,14 @@ from os import path
 sys.path.append(path.abspath(path.join(path.dirname(__file__), '..')))
 import time
 
-from LocalParticipant import LocalParticipant
+from ParticipantUDP import ParticipantUDP
 from Thing import *
 from Things.DifferentialDrive import DifferentialDrive
 from Things.TouchSensor import TouchSensor
 
 # Create a local participant for handling communcation
 # using default settings (UDP communciation over port 7681)
-participant = LocalParticipant(port=7681, local_port=7682, ip_address="127.0.0.1")
+participant = ParticipantUDP(port=7681, local_port=7682, ip_address="127.0.0.1")
 # The robot's propulsion is a differential drive
 bb2b = DifferentialDrive(participant)
 bb2b.name = "BB2B"

ParticipantUDP.py

@@ -17,7 +17,7 @@ micropython = 'micropython' in sys.modules
 if micropython:
     from MicroPython.uPythonParticipant import Bla
 
-class LocalParticipant(Participant):
+class ParticipantUDP(Participant):
     """! A local participant is the local device which can communicate with other participants.
     
     It manages all local things and communcation with other participants. Each application has a local participant which is usually explicit in the code.
@@ -46,19 +46,18 @@ class LocalParticipant(Participant):
         # Isolated participants do not communicate with other participants
         self.isolated = True
 
-        ## The remote site when this participant is connected to a site
-        self.remote_site = None
+        ## The other participants communicating with this participant
+        self.others = []
 
         if self.port != 0:
             self.isolated = False
             if ip_address is not None:
-                self.remote_site = Participant(ip_address, port)
+                self.others.append(Participant(ip_address, port))
 
-        self.others = []
-        self.network_id = 0
+        # self.network_id = 0
         self.buffer = bytearray(256)
-        self.thing_msg_processors = {}
-        self.new_thing_handlers = []
+        # self.thing_msg_processors = {}
+        # self.new_thing_handlers = []
         self.publishInterval = 3000 # 3 seconds
 
         self.udp_socket = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)        
@@ -70,9 +69,9 @@ class LocalParticipant(Participant):
         self.thread.start()
     
     def Isolated():
-        if LocalParticipant.isolated_participant == None:
-            LocalParticipant.isolated_participant = LocalParticipant(0)
-        return LocalParticipant.isolated_participant
+        if ParticipantUDP.isolated_participant == None:
+            ParticipantUDP.isolated_participant = ParticipantUDP(0)
+        return ParticipantUDP.isolated_participant
 
 #region Update
 
@@ -100,10 +99,11 @@ class LocalParticipant(Participant):
         if self.isolated == False:
             if self.publishInterval > 0 and currentTimeMs > self.nextPublishMe:
                 msg = ParticipantMsg(self.network_id)
-                if self.remote_site is None:
+                if self.others.count == 0: 
                     self.Publish(msg)
                 else:
-                    self.Send(self.remote_site, msg)
+                    for other_participant in self.others:
+                        self.Send(other_participant, msg)
                     
                 print(f'Publish ParticipantMsg {self.network_id}')
                 self.nextPublishMe = currentTimeMs + self.publishInterval
@@ -203,15 +203,15 @@ class LocalParticipant(Participant):
 
     def ProcessThingMsg(self, msg: ThingMsg):
         print(f'received thing {msg.network_id} {msg.thing_id}')
-        if msg.thing_type in self.thing_msg_processors:
-            constructor = self.thing_msg_processors[msg.thing_type]
-            constructor(msg.network_id, msg.thing_id)
+        # if msg.thing_type in self.thing_msg_processors:
+        #     constructor = self.thing_msg_processors[msg.thing_type]
+        #     constructor(msg.network_id, msg.thing_id)
 
-        # not really 'new' thing, but it is a start
-        thing = Thing.Get(msg.network_id, msg.thing_id)
-        if thing is not None:
-            for handler in self.new_thing_handlers:
-                handler(thing)
+        # # not really 'new' thing, but it is a start
+        # thing = Thing.Get(msg.network_id, msg.thing_id)
+        # if thing is not None:
+        #     for handler in self.new_thing_handlers:
+        #         handler(thing)
 
     def ProcessNameMsg(self, msg: NameMsg):
         print(f'received name {msg.name}')

SiteServer.py

@@ -1,4 +1,4 @@
-from LocalParticipant import LocalParticipant
+from ParticipantUDP import ParticipantUDP
 from Messages.ParticipantMsg import ParticipantMsg
 from Messages.NetworkIdMsg import NetworkIdMsg
 from Things.TemperatureSensor import TemperatureSensor
@@ -7,7 +7,7 @@ from Thing import Thing
 import socket
 import threading
 
-class SiteServer(LocalParticipant):
+class SiteServer(ParticipantUDP):
     """! A site server is a participant which provides a shared simulated environment 
     """
 

Thing.py

@@ -39,8 +39,8 @@ class Thing:
             owner = parent.owner
             self.SetParent(parent)
         elif owner == None:
-            from LocalParticipant import LocalParticipant            
-            owner = LocalParticipant.Isolated()
+            from ParticipantUDP import ParticipantUDP            
+            owner = ParticipantUDP.Isolated()
 
         self.children = []
 

__init__.py

@@ -1,9 +1,9 @@
 __all__ = ['Thing', 
-           'LocalParticipant', 
+           'ParticipantUDP', 
            'SiteServer']
 
 from .LinearAlgebra.Direction import Direction
-from .LocalParticipant import LocalParticipant
+from .ParticipantUDP import ParticipantUDP
 from .Thing import Thing
 from .LinearAlgebra.Spherical import Spherical
 from .LinearAlgebra.SwingTwist import SwingTwist

test/BB2B_dummytest.py

@@ -5,7 +5,7 @@ sys.path.append(str(Path(__file__).resolve().parent.parent))
 import time
 
 from SiteServer import SiteServer
-from LocalParticipant import LocalParticipant
+from ParticipantUDP import ParticipantUDP
 from Thing import *
 from Things.DifferentialDrive import DifferentialDrive
 from Things.TouchSensor import TouchSensor
@@ -15,7 +15,7 @@ site = SiteServer(port=7691)
 
 # Create a local participant for handling communcation
 # using default settings (UDP communciation over port 7681)
-participant = LocalParticipant(port=7691, local_port=7683, ip_address="127.0.0.1")
+participant = ParticipantUDP(port=7691, local_port=7683, ip_address="127.0.0.1")
 # The robot's propulsion is a differential drive
 bb2b = DifferentialDrive(participant)
 bb2b.name = "BB2B"

test/thing_test.py

@@ -8,13 +8,13 @@ sys.path.append(str(Path(__file__).resolve().parent.parent))
 import unittest
 
 from Thing import Thing
-from LocalParticipant import LocalParticipant
+from ParticipantUDP import ParticipantUDP
 from SiteServer import SiteServer
 
 class ThingTest(unittest.TestCase):
 
     def test_participant(self):
-        participant: LocalParticipant = LocalParticipant()
+        participant: ParticipantUDP = ParticipantUDP()
 
         milliseconds = time.time() * 1000
         start_time = milliseconds
@@ -33,7 +33,7 @@ class ThingTest(unittest.TestCase):
 
     def test_site_participant(self):
         site = SiteServer(port=7681)
-        participant = LocalParticipant(port=7681, ip_address="127.0.0.1", local_port=7682)
+        participant = ParticipantUDP(port=7681, ip_address="127.0.0.1", local_port=7682)
 
         milliseconds = time.time() * 1000
         start_time = milliseconds
@@ -46,7 +46,7 @@ class ThingTest(unittest.TestCase):
     def test_thing_msg(self):
         site = SiteServer()
         
-        participant = LocalParticipant(ip_address="127.0.0.1", port=7683)
+        participant = ParticipantUDP(ip_address="127.0.0.1", port=7683)
         thing = Thing()
         thing.name = "First thing"
         thing.model_url = "https://passer.life/extras/ant.jpg"