Threads creation optimization

frontend/index.html

@@ -123,6 +123,18 @@
         renderPlayers(data.players);
     }
 
+    function productPurchaseStart(products) {
+        console.log("productPurchaseStart:", products)
+    }
+
+    function productPurchased(product) {
+        console.log("productPurchased:", product)
+    }
+
+    function productPurchaseDone() {
+        console.log("productPurchaseDone")
+    }
+
     function wsConnect() {
         let ws = new WebSocket('ws://localhost:8011');
         ws.onopen = () => {
@@ -137,6 +149,15 @@
                 case "game_dump":
                     renderGameDump(wsMessage.data);
                     break;
+                case "product_purchase_start":
+                    productPurchaseStart(wsMessage.data)
+                    break;
+                case "product_purchased":
+                    productPurchased(wsMessage.data)
+                    break;
+                case "product_purchase_done":
+                    productPurchaseDone()
+                    break;
                 default:
                     console.error("Unknown message:", wsMessage)
             }

hopper/api/dependencies.py

@@ -2,6 +2,7 @@ from typing import Optional
 
 from hopper.engine import GameEngine, GameEngineFactory
 from hopper.ws_server import WSServer
+from settings import settings
 
 game_engine: Optional[GameEngine] = None
 
@@ -12,7 +13,10 @@ def create_game_engine() -> GameEngine:
     if game_engine:
         raise RuntimeError("Can't call create_game_engine() more than once!")
 
-    ws_server = WSServer(daemon=True)
+    ws_server = WSServer(
+        host=settings.ws_server.HOST,
+        port=settings.ws_server.PORT,
+    )
     ws_server.start()
 
     game_engine = GameEngineFactory.create_default(ws_server=ws_server)

hopper/countdown_timer.py

@@ -10,11 +10,11 @@ class CountdownTimer(Thread):
         self.seconds = seconds
         self.stop_event = Event()
         self.callback = callback
-        super().__init__()
+        super().__init__(daemon=True)
 
     def run(self) -> None:
         cnt = self.seconds
-        while cnt > 0 and not self.stop_event.is_set():
+        while cnt and not self.stop_event.is_set():
             cnt -= 1
             time.sleep(1)
 

hopper/engine.py

@@ -60,7 +60,6 @@ class GameEngine:
             self._inacivity_watchdog = InactivityWatchdog(
                 players=self.players,
                 ws_server=self.ws_server,
-                daemon=True,
             )
             self._inacivity_watchdog.start()
 
@@ -144,20 +143,14 @@ class GameEngine:
 
         if self._is_player_on_destination(player):
             player.state = PlayerState.ON_DESTINATION
-            self._player_on_destination(player)
-            logging.info(f"Player {player} reached destination!")
+            await self._player_on_destination(player)
+            return PlayerMoveResult.DESTINATION_REACHED
 
         if self.ws_server:
             await self.ws_server.send_game_dump()
 
         self.__debug_print_board()
-
-        if player.state == PlayerState.ON_DESTINATION:
-            self.game_state = GameState.LOCK_FOR_MOVEMENT
-            return PlayerMoveResult.DESTINATION_REACHED
-
         await asyncio.sleep(settings.game.MOVE_DELAY)
-
         return PlayerMoveResult.OK
 
     def _is_player_on_destination(self, player: Player) -> bool:
@@ -171,8 +164,15 @@ class GameEngine:
     def _colided_with_obstacle(self, position: Position) -> bool:
         return self.board.get_object_at_position(position) is not None
 
-    def _player_on_destination(self, player: Player) -> None:
+    async def _player_on_destination(self, player: Player) -> None:
+        logging.info(f"Player {player} reached destination!")
+
         self.game_state = GameState.LOCK_FOR_MOVEMENT
+        await self.ws_server.send_game_dump()
+        self.__debug_print_board()
+
+        await self.ws_server.send_product_purchase_message(products=settings.products)
+
         logging.info(f"Starting purchase countdown timer for {settings.purchase_timeout} seconds")
         self._purchase_countdown_timer = CountdownTimer(
             seconds=settings.purchase_timeout,
@@ -183,6 +183,9 @@ class GameEngine:
     def _on_purchase_timeout(self) -> None:
         logging.info("Ding ding! Purchase countdown timer timeout")
         self._purchase_countdown_timer = None
+
+        asyncio.run(self.ws_server.send_product_purchase_done_message(product=None))
+
         self.game_state = GameState.RUNNING
 
     def get_board_layout(self) -> BoardLayout:

hopper/interfaces.py

@@ -1,6 +1,16 @@
-from typing import Protocol
+from typing import Iterable, Optional, Protocol
+
+from hopper.models.product import Product
 
 
 class SendGameDumpInterface(Protocol):
     async def send_game_dump(self) -> None:
         ...
+
+    async def send_product_purchase_message(self, products: Iterable[Product]) -> None:
+        ...
+
+    async def send_product_purchase_done_message(
+        self, product: Optional[Product] = None
+    ) -> None:
+        ...

hopper/models/ws_dto.py

@@ -1,13 +1,14 @@
 from __future__ import annotations
 
 import json
-from typing import TypeVar, Generic
+from typing import Optional, TypeVar
 
 from pydantic import Field
 from pydantic.generics import GenericModel
 
 from hopper.api.dto import BaseModel, BoardDto, DestinationDto, PlayerDto, PositionDto
 from hopper.enums import ObjectType
+from hopper.models.product import Product
 
 
 class LayerObjectDto(BaseModel):
@@ -20,6 +21,11 @@ class LayerDto(BaseModel):
     objects: list[LayerObjectDto]
 
 
+class ProductDto(BaseModel):
+    name: str
+    uuid: str
+
+
 class GameDumpPlayerDto(PlayerDto):
     ...
 
@@ -31,12 +37,20 @@ class GameDumpDto(BaseModel):
     layers: list[LayerDto]
 
 
+class ProductPurchaseStartDto(BaseModel):
+    products: list[ProductDto]
+
+
+class ProductPurchaseDoneDto(BaseModel):
+    product: Optional[ProductDto] = None
+
+
 TMessageData = TypeVar("TMessageData", bound=BaseModel)
 
 
 class WSMessage(GenericModel):
     message: str
-    data: TMessageData
+    data: Optional[TMessageData] = None
 
     def __str__(self) -> str:
         return self.to_str()
@@ -48,3 +62,13 @@ class WSMessage(GenericModel):
 class WSGameDumpMessage(WSMessage):
     message: str = "game_dump"
     data: GameDumpDto
+
+
+class WSProductPurchaseStart(WSMessage):
+    message: str = "product_purchase_start"
+    data: ProductPurchaseStartDto
+
+
+class WSProductPurchaseDone(WSMessage):
+    message: str = "product_purchase_done"
+    data: ProductPurchaseDoneDto

hopper/watchdog.py

@@ -12,16 +12,12 @@ from settings import settings
 
 class InactivityWatchdog(Thread):
     def __init__(
-        self,
-        players: PlayerList,
-        ws_server: Optional[SendGameDumpInterface] = None,
-        *args,
-        **kwargs,
+        self, players: PlayerList, ws_server: Optional[SendGameDumpInterface] = None
     ) -> None:
         self.players = players
         self.ws_server = ws_server
         self.stopped = False
-        super().__init__(*args, **kwargs)
+        super().__init__(daemon=True)
 
     def run(self) -> None:
         logging.info("Starting inactivity watchdog")

hopper/ws_server.py

@@ -1,16 +1,30 @@
 import asyncio
 import logging
 from threading import Thread
+from typing import Iterable, Optional
 
 import websockets
 from websockets import WebSocketServerProtocol
 from websockets.exceptions import ConnectionClosedOK
 
-from hopper.models.ws_dto import GameDumpDto, WSGameDumpMessage
-from settings import settings
+from hopper.models.product import Product
+from hopper.models.ws_dto import (
+    GameDumpDto,
+    ProductPurchaseDoneDto,
+    ProductPurchaseStartDto,
+    WSGameDumpMessage,
+    WSMessage,
+    WSProductPurchaseDone,
+    WSProductPurchaseStart,
+)
 
 
 class WSServer(Thread):
+    def __init__(self, host: str, port: int) -> None:
+        self.host = host
+        self.port = port
+        super().__init__(daemon=True)
+
     async def handler(self, websocket: WebSocketServerProtocol) -> None:
         """New handler instance spawns for each connected client"""
         self.connected_clients.add(websocket)
@@ -31,6 +45,19 @@ class WSServer(Thread):
             self.connected_clients.remove(websocket)
             logging.info(f"Remove client: {websocket.id}")
 
+    async def send_message_to_client(
+        self, client: WebSocketServerProtocol, message: WSMessage
+    ) -> None:
+        message_str = message.to_str()
+        logging.debug(
+            f"Sending message {message.message} to clients: {self.connected_clients}: {message_str}"
+        )
+        await client.send(message_str)
+
+    async def send_message_to_clients(self, message: WSMessage) -> None:
+        for client in self.connected_clients:
+            await self.send_message_to_client(client, message)
+
     def _create_game_dump_message(self) -> WSGameDumpMessage:
         # avoid circular imports
         from hopper.api.dependencies import get_game_engine
@@ -55,25 +82,30 @@ class WSServer(Thread):
 
     async def send_game_dump(self) -> None:
         """Broadcast game state to all connected clients"""
-        if not self.connected_clients:
-            return
-
         message = self._create_game_dump_message()
-        logging.debug(
-            f"Sending game dump to clients: {self.connected_clients}: {message}"
+        await self.send_message_to_clients(message)
+
+    async def send_product_purchase_message(self, products: Iterable[Product]) -> None:
+        message = WSProductPurchaseStart(
+            data=ProductPurchaseStartDto(products=products)
         )
-        for client in self.connected_clients:
-            await client.send(message)
+        await self.send_message_to_clients(message)
+
+    async def send_product_purchase_done_message(
+        self, product: Optional[Product] = None
+    ) -> None:
+        message = WSProductPurchaseDone(data=ProductPurchaseDoneDto(product=product))
+        await self.send_message_to_clients(message)
 
     async def run_async(self) -> None:
         logging.info(
-            f"Starting FairHopper Websockets Server on {settings.ws_server.HOST}:{settings.ws_server.PORT}"
+            f"Starting FairHopper Websockets Server on {self.host}:{self.port}"
         )
 
         async with websockets.serve(
             ws_handler=self.handler,
-            host=settings.ws_server.HOST,
-            port=settings.ws_server.PORT,
+            host=self.host,
+            port=self.port,
         ):
             await asyncio.Future()  # run forever