Added prelim parallel architecture

demo.py

@@ -1,30 +1,15 @@
-import threading
 import time
 
-from nxbt import ControllerServer
+from nxbt import Nxbt
 from nxbt import ControllerTypes
 
-# con = ControllerServer(ControllerTypes.JOYCON_R)
-# con.run()
-# # con.run(reconnect_address="7C:BB:8A:D9:91:5A")
-
-
-def thread_func_1():
-
-    print("Starting Thread 1")
-    con = ControllerServer(ControllerTypes.JOYCON_R)
-    con.run()
-
-
-def thread_func_2():
-
-    print("Starting Thread 2")
-    time.sleep(10)
-    con = ControllerServer(ControllerTypes.JOYCON_L)
-    con.run()
-
 
 if __name__ == "__main__":
 
-    x = threading.Thread(target=thread_func_1)
-    x.start()
+    nxbt = Nxbt()
+    index = nxbt.create_controller(
+        ControllerTypes.PRO_CONTROLLER, "/org/bluez/hci0")
+
+    while True:
+        time.sleep(1)
+        print(nxbt.get_state())

nxbt/__init__.py

@@ -4,5 +4,5 @@ from .controller import ControllerProtocol
 from .controller import SwitchReportParser
 from .controller import SwitchResponses
 from .controller import Controller
-from .bluez import BlueZ
-
+from .bluez import *
+from .nxbt import Nxbt

nxbt/cli.py

@@ -1,2 +1,5 @@
+from .web import start_web_app
+
+
 def main():
-    raise NotImplementedError()
+    start_web_app()

nxbt/nxbt.py

@@ -0,0 +1,144 @@
+from multiprocessing import Process, Lock
+from multiprocessing import Queue, Manager
+import queue
+from enum import Enum
+import atexit
+
+import dbus
+
+from .controller import ControllerServer
+from .bluez import find_objects, SERVICE_NAME, ADAPTER_INTERFACE
+
+
+class NxbtCommands(Enum):
+
+    CREATE_CONTROLLER = 0
+
+
+class Nxbt():
+
+    def __init__(self):
+
+        # Main queue for nbxt tasks
+        self.task_queue = Queue()
+
+        # Creates/manages shared resources
+        self.resource_manager = Manager()
+        # Shared dictionary for viewing overall nxbt state.
+        # Should only be read by threads and wrote to by
+        # the main nxbt multiprocessing process.
+        self.state = self.resource_manager.dict()
+
+        # Shared, controller management properties.
+        # The controller lock is used to sychronize use.
+        self.__controller_lock = Lock()
+        self.__controller_counter = 0
+        self.__adapters_in_use = []
+
+        # Exit handler
+        atexit.register(self.on_exit)
+
+        # Starting the nxbt worker process
+        self.controllers = Process(
+            target=self.__command_manager,
+            args=((self.task_queue), (self.state)))
+        # Disabling daemonization since we need to spawn
+        # other controller processes, however, this means
+        # we need to cleanup on exit.
+        self.controllers.daemon = False
+        self.controllers.start()
+
+    def on_exit(self):
+
+        # Need to explicitly kill the controllers process
+        # since it isn't daemonized.
+        if hasattr(self, "controllers") and self.controllers.is_alive():
+            self.controllers.terminate()
+
+    def __command_manager(self, task_queue, state):
+
+        cm = ControllerManager(state)
+
+        while True:
+
+            try:
+                msg = task_queue.get_nowait()
+            except queue.Empty:
+                msg = None
+
+            if msg:
+                if msg["command"] == NxbtCommands.CREATE_CONTROLLER:
+                    cm.create_controller(
+                        msg["arguments"]["controller_index"],
+                        msg["arguments"]["controller_type"],
+                        msg["arguments"]["adapter_path"])
+
+    def send_input(self, msg):
+
+        self.task_queue.put(msg)
+
+    def create_controller(self, controller_type, adapter_path):
+
+        if adapter_path not in self.get_available_adapters():
+            raise ValueError("Specified adapter is unavailable")
+
+        if adapter_path in self.__adapters_in_use:
+            raise ValueError("Specified adapter in use")
+
+        controller_index = None
+        try:
+            self.__controller_lock.acquire()
+            self.task_queue.put({
+                "command": NxbtCommands.CREATE_CONTROLLER,
+                "arguments": {
+                    "controller_index": self.__controller_counter,
+                    "controller_type": controller_type,
+                    "adapter_path": adapter_path,
+                }
+            })
+            controller_index = self.__controller_counter
+            self.__controller_counter += 1
+            self.__adapters_in_use.append(adapter_path)
+        finally:
+            self.__controller_lock.release()
+            pass
+
+        return controller_index
+
+    def get_available_adapters(self):
+
+        bus = dbus.SystemBus()
+        adapters = find_objects(bus, SERVICE_NAME, ADAPTER_INTERFACE)
+
+        return adapters
+
+    def get_state(self):
+
+        return self.state
+
+
+class ControllerManager():
+
+    def __init__(self, state):
+
+        self.state = state
+        self.controller_states = []
+        self.controller_queues = []
+
+    def create_controller(self, index, controller_type, adapter_path):
+
+        controller_queue = Queue()
+        controller_state = {
+            "state": "initializing",
+            "finished_macros": [],
+            "errors": False
+        }
+        self.state[index] = controller_state
+        # Get the last parameter of the path, AKA the ID
+        device_id = adapter_path.split("/")[-1]
+
+        server = ControllerServer(controller_type, bt_device_id=device_id)
+        controller = Process(target=server.run, args=(
+            None, controller_state, controller_queue))
+        controller.daemon = True
+        controller.start()