CameraMachine/python/mcu/capture/smart_shooter_class.py

import json
import datetime
import random
import zmq
import asyncio
from PIL import Image
from io import BytesIO
import base64
import zmq, sys, time
from utils.SingletonType import SingletonType

import logging

logger = logging.getLogger(__name__)
# 定义为单例模式,避免被重复实例化
class SmartShooter(metaclass=SingletonType):
    SET_REQ = "tcp://127.0.0.1:54544"
    LISTEN_REQ = "tcp://127.0.0.1:54543"

    def __init__(self, websocket_manager):
        self.msg_type = "smart_shooter"
        self.websocket_manager = websocket_manager
        # 是否停止监听
        self.stop_listen = False
        # 相机连接状态
        self.connect_status = False
        # self.preview_queue = asyncio.Queue()
        # 实时预览状态
        self.perview_state = False
        self.callback_listen = None
        self.listen_init = None
        self.websocket = None
        # loop = asyncio.get_event_loop()
        # loop.create_task(
        #         self.connect_listen(),
        #         name="connect_listen",
        #     )

    def __send_tcp_message(self, socket, msg):
        # await asyncio.sleep(0.01)
        socket.send_string(json.dumps(msg))
        rep = socket.recv()
        str_msg = rep.decode("utf-8")
        json_msg = json.loads(str_msg)
        return json_msg

    def __create_req(self, time_out=5) -> tuple[zmq.Socket, zmq.Context]:
        context = zmq.Context()
        req_socket = context.socket(zmq.REQ)
        # 设置发送超时为 5000 毫秒（5 秒）
        req_socket.setsockopt(zmq.RCVTIMEO, time_out * 1000)
        # 设置接收超时为 5000 毫秒（5 秒）
        req_socket.setsockopt(zmq.SNDTIMEO, time_out * 1000)
        req_socket.setsockopt(zmq.LINGER, 0)  # 设置为 0 表示不等待未完成的操作
        req_socket.connect(self.SET_REQ)
        return req_socket, context

    def __create_listen(self) -> tuple[zmq.Socket, zmq.Context]:
        context = zmq.Context()
        listen_socket = context.socket(zmq.SUB)
        listen_socket.setsockopt(zmq.SUBSCRIBE, b"")
        # 设置发送超时为 5000 毫秒（5 秒）
        listen_socket.setsockopt(zmq.RCVTIMEO, 4000)
        # 设置接收超时为 5000 毫秒（5 秒）
        listen_socket.setsockopt(zmq.SNDTIMEO, 4000)
        listen_socket.setsockopt(zmq.LINGER, 0)  # 设置为 0 表示不等待未完成的操作
        listen_socket.connect(self.LISTEN_REQ)
        return listen_socket, context

    async def GetCameraInfo(self, is_send=True, msg_type=""):
        await asyncio.sleep(0.01)
        self.msg_type = msg_type
        """
            实时获取相机信息，是否连接、软件是否被打开
            """
        socket, context = self.__create_req(time_out=2)
        try:
            req = {}
            req["msg_type"] = "Request"
            req["msg_id"] = "GetCamera"
            req["msg_seq_num"] = 0
            req["CameraSelection"] = "All"
            json_msg = self.__send_tcp_message(socket, req)
            msg_result = json_msg.get("msg_result")
            if not msg_result:
                self.connect_status = False
                msg_send = "相机未连接或软件未打开"
                if is_send:
                    message = {
                        "code": 1,
                        "msg": msg_send,
                        "data": msg_result,
                        "msg_type": self.msg_type,
                        "device_status": -1,
                    }
                    await self.websocket_manager.send_personal_message(
                        message, self.websocket
                    )
                return False, msg_send
            cameraInfo = json_msg.get("CameraInfo")
            if cameraInfo == None or len(cameraInfo) == 0:
                self.connect_status = False
                msg_send = "相机未连接"
                if is_send:
                    message = {
                        "code": 1,
                        "msg": msg_send,
                        "data": msg_result,
                        "msg_type": self.msg_type,
                        "device_status": -1,
                    }
                    await self.websocket_manager.send_personal_message(
                        message, self.websocket
                    )
                return False, "相机未连接"
            # 链接的相机
            # connect_camera = cameraInfo
            # for item in cameraInfo:
            #     print("相机状态::::>>>>>>>", item.get("CameraStatus"))
            CameraStatus = any(
                item.get("CameraStatus") in ["Ready", "Busy"] for item in cameraInfo
            )
            # CameraStatus = connect_camera.get("CameraStatus")
            if not CameraStatus:
                self.connect_status = False
                msg_send = "相机未连接"
                if is_send:
                    message = {
                        "code": 1,
                        "msg": msg_send,
                        "data": msg_result,
                        "msg_type": self.msg_type,
                        "device_status": -1,
                    }
                    await self.websocket_manager.send_personal_message(
                        message, self.websocket
                    )
                return False, msg_send
            self.connect_status = True
            msg_send = "相机已连接"
            if is_send:
                message = {
                    "code": 0,
                    "msg": msg_send,
                    "data": msg_result,
                    "msg_type": self.msg_type,
                    "device_status": 2,
                }
                await self.websocket_manager.send_personal_message(
                    message, self.websocket
                )
            return True, "相机已连接"
        except zmq.Again:
            print("获取相机信息超时，继续监听...")
            msg_send = "相机未连接或软件未打开"
            if is_send:
                message = {
                    "code": 1,
                    "msg": msg_send,
                    "data": None,
                    "msg_type": self.msg_type,
                    "device_status": -1,
                }
                await self.websocket_manager.send_personal_message(
                    message, self.websocket
                )
            return False, msg_send
        except Exception as e:
            print("拍照异常", e)
            self.connect_status = False
            socket.close()
            context.term()
            msg_send = "相机未连接或软件未打开"
            if is_send:
                message = {
                    "code": 1,
                    "msg": msg_send,
                    "data": None,
                    "msg_type": self.msg_type,
                    "device_status": -1,
                }
                await self.websocket_manager.send_personal_message(
                    message, self.websocket
                )
            return False, msg_send

    async def SetCameraFPS(self, fps=5):
        """
        激活相机预览
        """
        camera_states, _ = await self.GetCameraInfo(is_send=False)
        if not camera_states:
            return False, "请先连接相机"
        try:
            socket, context = self.__create_req()
            req = {}
            req["msg_type"] = "Request"
            req["msg_id"] = "LiveviewFPS"
            req["msg_seq_num"] = 0
            req["CameraSelection"] = "All"
            req["CameraLiveviewFPS"] = fps
            json_msg = self.__send_tcp_message(socket, req)
            msg_result = json_msg.get("msg_result")
            if not msg_result:
                self.perview_state = False
                return False, "设置失败"
            return True, "设置失败"
        except:
            self.perview_state = False
            socket.close()
            context.term()
            return False, "相机未连接或软件未打开"

    async def EnableCameraPreview(self, enable_status=True, msg_type=""):
        self.msg_type = msg_type
        await self.SetCameraFPS(5)
        """
        激活相机预览
        """
        camera_states, _ = await self.GetCameraInfo(is_send=False)
        if not camera_states:
            return False, "请先连接相机"
        try:
            socket, context = self.__create_req()
            req = {}
            req["msg_type"] = "Request"
            req["msg_id"] = "EnableLiveview"
            req["msg_seq_num"] = 0
            req["CameraSelection"] = "All"
            req["Enable"] = enable_status
            json_msg = self.__send_tcp_message(socket, req)
            msg_result = json_msg.get("msg_result")
            if not msg_result:
                self.perview_state = False
                msg_send = "预览启用失败"
                self.sendSocketMessage(
                    code=0,
                    msg=msg_send,
                    device_status=2,
                )
                return False, "预览启用失败"
            msg_send = "预览启用成功" if enable_status else "预览关闭成功"
            message = {
                "code": 0,
                "msg": msg_send,
                "data": None,
                "msg_type": self.msg_type,
                "device_status": 2,
            }
            await self.websocket_manager.send_personal_message(message, self.websocket)
            return True, "预览启用成功" if enable_status else "预览关闭成功"
        except zmq.Again:
            print("启动预览超时，继续监听...")
        except:
            self.perview_state = False
            socket.close()
            context.term()
            msg_send = "相机未连接或软件未打开"
            message = {
                "code": 1,
                "msg": msg_send,
                "data": None,
                "msg_type": self.msg_type,
                "device_status": -1,
            }
            await self.websocket_manager.send_personal_message(message, self.websocket)
            return False, "相机未连接或软件未打开"

    async def CameraAutofocus(self):
        """
        相机自动对焦
        """
        camera_states, _ = await self.GetCameraInfo(is_send=False)
        print("CameraAutofocus 执行对焦")
        if not camera_states:
            return False, "请先连接相机"
        try:
            socket, context = self.__create_req()
            req = {}
            req["msg_type"] = "Request"
            req["msg_id"] = "Autofocus"
            req["msg_seq_num"] = 0
            req["CameraSelection"] = "All"
            json_msg = self.__send_tcp_message(socket, req)
            print("json_msg", json_msg)
            msg_result = json_msg.get("msg_result")
            if not msg_result:
                return False, "对焦失败"
            return True, "对焦成功"
        except zmq.Again:
            print("对焦超时，继续监听...")
        except:
            socket.close()
            context.term()
            return False, "相机未连接或软件未打开"

    async def CameraShooter(self, msg_type="", goods_art_no="", id=0, is_af=False,delay=1.5):
        # 这里延迟一秒钟 等待前置命令完成
        await asyncio.sleep(delay)
        # 对焦混用
        if is_af:
            await self.CameraAutofocus()
        self.msg_type = msg_type
        print("camera_states", msg_type)
        """
        执行拍照
        """
        camera_states, _ = await self.GetCameraInfo(is_send=True)
        print("camera_states CameraShooter", camera_states)
        if not camera_states:
            return False, "请先连接相机"
        try:
            socket, context = self.__create_req()
            req = {}
            req["msg_type"] = "Request"
            req["msg_id"] = "Shoot"
            req["msg_seq_num"] = 1
            req["CameraSelection"] = "All"
            if goods_art_no != "" and id != 0:
                # 此处用逗号分割，货号和id，需要在监听部分进行切割保存处理，如果使用下划线或者减号，可能货号中存在对应符号
                req["PhotoOrigin"] = f"{goods_art_no},{id}"
            else:
                req["PhotoOrigin"] = ""
            json_msg = self.__send_tcp_message(socket, req)
            print("CameraShooter", json_msg)
            msg_result = json_msg.get("msg_result")
            if not msg_result:
                msg_send = "拍照失败"
                message = {
                    "code": 1,
                    "msg": msg_send,
                    "data": None,
                    "msg_type": self.msg_type,
                    "device_status": -1,
                }
                await self.websocket_manager.send_personal_message(
                    message, self.websocket
                )
                return False, msg_send
            msg_send = "拍照成功"
            message = {
                "code": 0,
                "msg": msg_send,
                "data": None,
                "msg_type": self.msg_type,
                "device_status": 2,
            }
            msg_send = "相机未连接或软件未打开"
            message = {
                "code": 1,
                "msg": msg_send,
                "data": None,
                "msg_type": self.msg_type,
                "device_status": -1,
            }
            await self.websocket_manager.send_personal_message(message, self.websocket)
            return True, "拍照成功"
        except zmq.Again:
            msg_send = "相机未连接或软件未打开"
            message = {
                "code": 1,
                "msg": msg_send,
                "data": {goods_art_no: goods_art_no, "id": id},
                "msg_type": self.msg_type,
                "device_status": -1,
            }
            await self.websocket_manager.send_personal_message(message, self.websocket)
            return True, "拍照失败"
        except:
            socket.close()
            context.term()
            msg_send = "相机未连接或软件未打开"
            message = {
                "code": 1,
                "msg": msg_send,
                "data": None,
                "msg_type": self.msg_type,
                "device_status": -1,
            }
            await self.websocket_manager.send_personal_message(message, self.websocket)
            return False, msg_send

    def connect_listen(self):
        print("smart shooter connect_listen", self.connect_status, self.listen_init)
        if self.connect_status == True or self.listen_init == True:
            return True
        # 发起监听
        sub_socket, context = self.__create_listen()
        print("构建监听", self.connect_status)
        logger.info("构建监听,%s", self.connect_status)
        while True:
            self.listen_init = True
            if self.callback_listen == None:
                continue
            # camera_states, camera_msg = await self.GetCameraInfo(is_send=False)
            # if not camera_states:
            #     print("相机未连接回调打印", camera_states, camera_msg)
            #     await asyncio.sleep(0.01)  # 等待相机连接
            #     continue
            if self.stop_listen:
                break
            try:
                self.connect_status = True
                raw = sub_socket.recv()
                str_msg = raw.decode("utf-8")
                json_msg = json.loads(str_msg)
                if json_msg["msg_id"] == "NetworkPing":
                    continue
                # self.callback_listen(json_msg)
                asyncio.run(self.callback_listen(json_msg))
            except zmq.Again:
                print("接收超时，继续监听...")
                logger.info("接收超时，继续监听...")
                continue
            except Exception as e:
                self.connect_status = False
                print(f"发生错误: {e}")
                break
        self.listen_init = False
        self.connect_status = False
        self.stop_listen = False
        sub_socket.close()
        context.term()
        print("smart shooter连接断开")