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https://github.com/ZGCA-Forge/Elevator.git
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259 lines
10 KiB
Python
259 lines
10 KiB
Python
#!/usr/bin/env python3
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"""
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Unified API Client for Elevator Saga
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使用统一数据模型的客户端API封装
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"""
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import json
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import urllib.error
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import urllib.request
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from typing import Any, Dict, Optional, Union
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from elevator_saga.core.models import (
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ElevatorState,
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FloorState,
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GoToFloorCommand,
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PassengerInfo,
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PerformanceMetrics,
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SetIndicatorsCommand,
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SimulationEvent,
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SimulationState,
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StepResponse,
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)
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from elevator_saga.utils.debug import debug_log
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class ElevatorAPIClient:
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"""统一的电梯API客户端"""
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def __init__(self, base_url: str):
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self.base_url = base_url.rstrip("/")
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# 缓存相关字段
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self._cached_state: Optional[SimulationState] = None
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self._cached_tick: int = -1
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self._tick_processed: bool = False # 标记当前tick是否已处理完成
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debug_log(f"API Client initialized for {self.base_url}")
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def get_state(self, force_reload: bool = False) -> SimulationState:
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"""获取模拟状态
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Args:
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force_reload: 是否强制重新加载，忽略缓存
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"""
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# 如果不强制重载且缓存有效（当前tick未处理完成），返回缓存
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if not force_reload and self._cached_state is not None and not self._tick_processed:
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return self._cached_state
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# debug_log(f"Fetching new state (force_reload={force_reload}, tick_processed={self._tick_processed})")
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response_data = self._send_get_request("/api/state")
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if "error" not in response_data:
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# 直接使用服务端返回的真实数据创建SimulationState
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elevators = [ElevatorState.from_dict(e) for e in response_data.get("elevators", [])]
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floors = [FloorState.from_dict(f) for f in response_data.get("floors", [])]
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# 使用服务端返回的passengers和metrics数据
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passengers_data = response_data.get("passengers", {})
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if isinstance(passengers_data, dict) and "completed" in passengers_data:
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# 如果是PassengerSummary格式，则创建空的passengers字典
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passengers: Dict[int, PassengerInfo] = {}
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else:
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# 如果是真实的passengers数据，则转换
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passengers = {
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int(k): PassengerInfo.from_dict(v) for k, v in passengers_data.items() if isinstance(v, dict)
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}
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# 使用服务端返回的metrics数据
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metrics_data = response_data.get("metrics", {})
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if metrics_data:
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# 转换为PerformanceMetrics格式
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metrics = PerformanceMetrics(
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completed_passengers=metrics_data.get("done", 0),
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total_passengers=metrics_data.get("total", 0),
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average_wait_time=metrics_data.get("avg_wait", 0),
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p95_wait_time=metrics_data.get("p95_wait", 0),
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average_system_time=metrics_data.get("avg_system", 0),
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p95_system_time=metrics_data.get("p95_system", 0),
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total_energy_consumption=metrics_data.get("energy_total", 0),
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)
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else:
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metrics = PerformanceMetrics()
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simulation_state = SimulationState(
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tick=response_data.get("tick", 0),
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elevators=elevators,
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floors=floors,
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passengers=passengers,
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metrics=metrics,
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events=[],
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)
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# 更新缓存
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self._cached_state = simulation_state
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self._cached_tick = simulation_state.tick
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self._tick_processed = False # 重置处理标志，表示新tick开始
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return simulation_state
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else:
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raise RuntimeError(f"Failed to get state: {response_data.get('error')}")
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def mark_tick_processed(self) -> None:
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"""标记当前tick处理完成，使缓存在下次get_state时失效"""
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self._tick_processed = True
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def step(self, ticks: int = 1) -> StepResponse:
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"""执行步进"""
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response_data = self._send_post_request("/api/step", {"ticks": ticks})
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if "error" not in response_data:
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# 使用服务端返回的真实数据
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events_data = response_data.get("events", [])
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events = [SimulationEvent.from_dict(event) for event in events_data]
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step_response = StepResponse(
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success=True,
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tick=response_data.get("tick", 0),
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events=events,
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)
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# debug_log(f"Step response: tick={step_response.tick}, events={len(events)}")
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return step_response
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else:
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raise RuntimeError(f"Step failed: {response_data.get('error')}")
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def send_elevator_command(self, command: Union[GoToFloorCommand, SetIndicatorsCommand]) -> bool:
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"""发送电梯命令"""
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endpoint = self._get_elevator_endpoint(command)
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debug_log(f"Sending elevator command: {command.command_type} to elevator {command.elevator_id}")
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response_data = self._send_post_request(endpoint, command.parameters)
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if response_data.get("success"):
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return response_data["success"]
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else:
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raise RuntimeError(f"Command failed: {response_data.get('error_message')}")
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def go_to_floor(self, elevator_id: int, floor: int, immediate: bool = False) -> bool:
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"""电梯前往指定楼层"""
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command = GoToFloorCommand(elevator_id=elevator_id, floor=floor, immediate=immediate)
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try:
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response = self.send_elevator_command(command)
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return response
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except Exception as e:
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debug_log(f"Go to floor failed: {e}")
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return False
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def set_indicators(self, elevator_id: int, up: Optional[bool] = None, down: Optional[bool] = None) -> bool:
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"""设置电梯指示灯"""
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command = SetIndicatorsCommand(elevator_id=elevator_id, up=up, down=down)
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try:
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response = self.send_elevator_command(command)
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return response
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except Exception as e:
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debug_log(f"Set indicators failed: {e}")
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return False
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def _get_elevator_endpoint(self, command: Union[GoToFloorCommand, SetIndicatorsCommand]) -> str:
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"""获取电梯命令端点"""
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base = f"/api/elevators/{command.elevator_id}"
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if isinstance(command, GoToFloorCommand):
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return f"{base}/go_to_floor"
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else: # SetIndicatorsCommand
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return f"{base}/set_indicators"
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def _send_get_request(self, endpoint: str) -> Dict[str, Any]:
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"""发送GET请求"""
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url = f"{self.base_url}{endpoint}"
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# debug_log(f"GET {url}")
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try:
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with urllib.request.urlopen(url, timeout=60) as response:
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data = json.loads(response.read().decode("utf-8"))
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# debug_log(f"GET {url} -> {response.status}")
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return data
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except urllib.error.URLError as e:
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raise RuntimeError(f"GET {url} failed: {e}")
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def reset(self) -> bool:
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"""重置模拟"""
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try:
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response_data = self._send_post_request("/api/reset", {})
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success = response_data.get("success", False)
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if success:
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# 清空缓存，因为状态已重置
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self._cached_state = None
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self._cached_tick = -1
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self._tick_processed = False
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debug_log("Cache cleared after reset")
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return success
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except Exception as e:
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debug_log(f"Reset failed: {e}")
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return False
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def next_traffic_round(self) -> bool:
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"""切换到下一个流量文件"""
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try:
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response_data = self._send_post_request("/api/traffic/next", {})
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success = response_data.get("success", False)
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if success:
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# 清空缓存，因为流量文件已切换，状态会改变
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self._cached_state = None
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self._cached_tick = -1
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self._tick_processed = False
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debug_log("Cache cleared after traffic round switch")
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return success
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except Exception as e:
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debug_log(f"Next traffic round failed: {e}")
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return False
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def get_traffic_info(self) -> Optional[Dict[str, Any]]:
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"""获取当前流量文件信息"""
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try:
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response_data = self._send_get_request("/api/traffic/info")
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debug_log(str())
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if "error" not in response_data:
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return response_data
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else:
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debug_log(f"Get traffic info failed: {response_data.get('error')}")
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return None
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except Exception as e:
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debug_log(f"Get traffic info failed: {e}")
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return None
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def force_complete_remaining_passengers(self) -> Optional[int]:
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"""强制完成所有未完成的乘客，返回完成的乘客数量"""
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try:
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response_data = self._send_post_request("/api/force_complete", {})
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if response_data.get("success"):
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completed_count = response_data.get("completed_count", 0)
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debug_log(f"Force completed {completed_count} passengers")
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# 强制完成后清空缓存
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self._cached_state = None
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self._cached_tick = -1
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self._tick_processed = False
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return completed_count
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else:
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debug_log(f"Force complete failed: {response_data.get('error')}")
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return None
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except Exception as e:
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debug_log(f"Force complete failed: {e}")
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return None
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def _send_post_request(self, endpoint: str, data: Dict[str, Any]) -> Dict[str, Any]:
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"""发送POST请求"""
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url = f"{self.base_url}{endpoint}"
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request_body = json.dumps(data).encode("utf-8")
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# debug_log(f"POST {url} with data: {data}")
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req = urllib.request.Request(url, data=request_body, headers={"Content-Type": "application/json"})
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try:
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with urllib.request.urlopen(req, timeout=60) as response:
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response_data = json.loads(response.read().decode("utf-8"))
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# debug_log(f"POST {url} -> {response.status}")
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return response_data
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except urllib.error.URLError as e:
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raise RuntimeError(f"POST {url} failed: {e}")
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