LAS/LAS.py

#!/usr/bin/env python3

from threading import Thread
import configparser
import os
import time
import traceback
import sys
import json

import common.sys_comm as sys_comm
from common.sys_comm import LOGDBG, LOGINFO, LOGWARN, LOGERR
from common.sys_comm import get_utc_time_ms
from common.sys_comm import g_sys_conf, g_sys_conf_mtx, g_log_conf, g_log_conf_mtx

from mqtt import mqtt_process
from mqtt.mqtt_process import MQTTClientThread, MQTTConsumerThread, mqtt_client, mqtt_consumer

import db.db_process as db_process
from db.db_process import db_req_que
from db.db_process import DBRequest
import db.db_sqls as sqls

from device.dev_mng import (
    cb_handle_query_all_dev_info
)


import core.alarm_plan_manager as ap_mgr
from core.alarm_plan_manager import(
    AlarmPlanManager,
    init_alarm_plan_mgr,
    start_event_dispatcher,
    start_alarm_plan_mgr,
    cb_handle_query_all_alarm_plan_info
)

import core.g_LAS as g_las



# 系统初始化
def sys_init():
    try:
        # 创建日志目录
        if not os.path.exists("./log/"):
            os.makedirs("./log/")
        print("create log dir succeed !")

        LOGDBG(f" ================ system init ...")
        print(f" ================ system init ...")

        # 读取配置文件
        config = configparser.ConfigParser()
        with open('./conf.ini', 'r', encoding='utf-8') as f:
            config.read_file(f)
            if not (config.has_option('conf', 'module_name') and
                    config.has_option('conf', 'platform') and
                    config.has_option('conf', 'db_host') and
                    config.has_option('conf', 'log_lvl') and
                    config.has_option('conf', 'max_log_files') and
                    config.has_option('conf', 'max_log_files')):
                LOGDBG("sys_init failed, invalid conf.ini param")
                return 0

            if not (config.has_option('conf', 'db_host')):
                LOGDBG("sys_init failed, invalid db param")
                return 0

            if not (config.has_option('linux', 'host_ip') and 
                    config.has_option('windows', 'host_ip') and 
                    config.has_option('windows', 'server_ip') and 
                    config.has_option('windows', 'ssh_host') and 
                    config.has_option('windows', 'ssh_port')):
                LOGDBG("sys_init failed, invalid host_ip param")
                return 0
        LOGDBG("read conf.ini succeed !")

        

        # 初始化日志配置
        with g_log_conf_mtx:
            g_log_conf["module_name"]     = str(config["conf"]["module_name"])
            g_log_conf["log_lvl"]         = int(config["conf"]["log_lvl"])
            g_log_conf["max_log_size"]    = int(config["conf"]["max_log_size"]) * 1024 * 1024
            g_log_conf["max_log_files"]   = int(config["conf"]["max_log_files"])
        LOGDBG("log init succeed")

        # 初始化系统配置
        with g_sys_conf_mtx:
            g_sys_conf["module_name"]     = str(config["conf"]["module_name"])
            g_sys_conf["platform"]        = int(config["conf"]["platform"])
            g_sys_conf["db_host"]         = str(config["conf"]["db_host"])
            g_sys_conf["log_lvl"]         = int(config["conf"]["log_lvl"])
            g_sys_conf["max_log_size"]    = int(config["conf"]["max_log_size"]) * 1024 * 1024
            g_sys_conf["max_log_files"]   = int(config["conf"]["max_log_files"])

            # windows 本地
            if g_sys_conf["platform"] == 0:
                g_sys_conf["host_ip"]     = str(config["windows"]["host_ip"])
                g_sys_conf["server_ip"]   = str(config["windows"]["server_ip"])
                g_sys_conf["ssh_host"]    = str(config["windows"]["ssh_host"])
                g_sys_conf["ssh_port"]    = int(config["windows"]["ssh_port"])
                mqtt_process.MQTT_BROKER = g_sys_conf["server_ip"]
            # linux 服务器
            elif g_sys_conf["platform"] == 1:
                g_sys_conf["host_ip"]     = str(config["linux"]["host_ip"])
                mqtt_process.MQTT_BROKER = g_sys_conf["host_ip"]

        g_sys_conf["sp_id"] = int(get_utc_time_ms())

        # 报警配置
        g_sys_conf["alarm_conf"] = sys_comm.alarm_conf


        # 启动成功，打印系统信息
        module_name     = g_sys_conf["module_name"]
        platform        = g_sys_conf["platform"]
        host_ip         = g_sys_conf["host_ip"]
        max_log_files   = g_sys_conf["max_log_files"]
        max_log_size    = g_sys_conf["max_log_size"]
        log_lvl         = g_sys_conf["log_lvl"]
        sp_id           = g_sys_conf["sp_id"]
        LOGINFO(f" ================ system init succeed !")
        LOGINFO(f" ================ module         : {module_name}")
        LOGINFO(f" ================ platform       : {platform}")
        LOGINFO(f" ================ host_ip        : {host_ip}")
        LOGINFO(f" ================ max_log_files  : {max_log_files}")
        LOGINFO(f" ================ max_log_size   : {max_log_size}")
        LOGINFO(f" ================ log_lvl        : {log_lvl}")
        LOGINFO(f" ================ sp_id          : {sp_id}")
        LOGINFO(f" ================ version        : v B1.0")

        print(f" ================ system init succeed !")
        print(f" ================ module         : {module_name}")
        print(f" ================ platform       : {platform}")
        print(f" ================ host_ip        : {host_ip}")
        print(f" ================ max_log_files  : {max_log_files}")
        print(f" ================ max_log_size   : {max_log_size}")
        print(f" ================ log_lvl        : {log_lvl}")
        print(f" ================ sp_id          : {sp_id}")
        print(f" ================ version        : v B1.0")

        return 0

    except json.JSONDecodeError as e:
        tb_info = traceback.extract_tb(e.__traceback__)
        for frame in tb_info:
            LOGERR(f"[{frame.filename}:{frame.lineno}] @{frame.name}(), error:{e}, {e.doc}")
        return -1
    except Exception as e:
        tb_info = traceback.extract_tb(e.__traceback__)
        for frame in tb_info:
            LOGERR(f"[{frame.filename}:{frame.lineno}] @{frame.name}(), error: {e}")
        return -1






# 轮循函数，定期执行一些任务
def run():
    # 轮循处理任务
    while True:
        time.sleep(1)


# 主线程
def main_process():
    if not g_las.g_alarm_plan_mgr:
        return -1

    # 查询所有设备信息
    db_req_que.put(DBRequest(sql=sqls.sql_query_all_dev_info,
                             callback=cb_handle_query_all_dev_info))

    # 查询所有告警计划
    db_req_que.put(DBRequest(sql=sqls.sql_query_all_alarm_plan,
                             callback=cb_handle_query_all_alarm_plan_info))

    # 轮循函数
    run()


def main():

    # 初始化
    if (0 != sys_init()):
        sys.exit(-1)

    # 初始化LAS
    init_alarm_plan_mgr()

    # 数据库处理线程
    db_process.create_db_process().start()

    # MQTT 消息线程
    mqtt_client = MQTTClientThread()
    mqtt_client.start()
    mqtt_consumer = MQTTConsumerThread()
    mqtt_consumer.start()

    # 事件分发器
    start_event_dispatcher()
    # 告警计划管理器
    start_alarm_plan_mgr()

    # 主线程
    main_process()


main()