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python实现监控windows服务并自动启动服务示例

WBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWB

Jun 06, 2016 am 11:30 AM

使用Python 2.7 + pywin32 + wxpython开发

每隔一段时间检测一下服务是否停止，如果停止尝试启动服务。进行服务停止日志记录

AppMain.py

代码如下:

#!/usr/bin/env python
#-*- encoding:utf-8 -*-

"""
1. 每隔一分钟检测一次服务状态
2. 如果发现服务状态已经停止，那么尝试启动服务
3. 自动记录日志
4. 任务栏图标显示
"""

import sys;
reload(sys);
sys.setdefaultencoding('utf-8');

import win32service;
import logging;
from logging.handlers import RotatingFileHandler;
import os.path;
import wx;
import AppResource;
import webbrowser;
from AppXml import *;

C_APP_NAME = "Service Moniter 1.0";
C_LOG_DIR = os.path.altsep.join([os.path.curdir,'service.log']);
C_CONFIG_PATH = os.path.altsep.join([os.path.curdir,'config.xml']);
C_LOG_SIZE = 1048576;
C_LOG_FILES = 3;

C_APP_SITE = "http://www.du52.com/?app=service_moniter&version=1.0.0";

class ServiceControl(object):

def __init__(self):
self.scm = win32service.OpenSCManager(None,None,win32service.SC_MANAGER_ALL_ACCESS);

    # 检查服务是否停止
    def isStop(self,name):
        flag = False;
        try:
            handle = win32service.OpenService(self.scm,name,win32service.SC_MANAGER_ALL_ACCESS);
            if handle:
                ret = win32service.QueryServiceStatus(handle);
                flag = ret[1]!=win32service.SERVICE_RUNNING;
                win32service.CloseServiceHandle(handle);
        except Exception,e:
            logging.error(e);
        return flag;

    # 开启服务
    def start(self,name):
        try:
            handle = win32service.OpenService(self.scm,name,win32service.SC_MANAGER_ALL_ACCESS);
            if handle:
                win32service.StartService(handle,None);
                win32service.CloseServiceHandle(handle);
        except Exception,e:
            logging.error(e);

    # 退出
    def close(self):
        try:
            if self.scm:
                win32service.CloseServiceHandle(self.scm);
        except Exception,e:
            logging.error(e);

# 初始化日志
def InitLog():
    logging.getLogger().setLevel(logging.ERROR);
    RtHandler = RotatingFileHandler(filename=C_LOG_DIR,maxBytes=C_LOG_SIZE,backupCount=C_LOG_FILES);
    RtHandler.setLevel(logging.ERROR);
    RtHandler.setFormatter(logging.Formatter('[%(asctime)s][%(levelname)s] %(message)s'));
    logging.getLogger().addHandler(RtHandler);
    logging.error('监控开始执行');

# 系统托盘图标
class TaskIcon(wx.TaskBarIcon):

    def __init__(self):
        wx.TaskBarIcon.__init__(self);
        self.SetIcon(AppResource.TaskIcon.getIcon(),C_APP_NAME);
        self.ID_NAME = wx.NewId();
        self.ID_EXIT = wx.NewId();
        self.ID_AUTHOR = wx.NewId();
        self.Bind(wx.EVT_MENU,self.OnExitEvent,id=self.ID_EXIT);
        self.Bind(wx.EVT_MENU,self.OnHelpEvent,id=self.ID_AUTHOR);

def OnHelpEvent(self,event):
webbrowser.open_new(C_APP_SITE);

def OnExitEvent(self,event):
wx.Exit();

    def CreatePopupMenu(self,event=None):
        menu = wx.Menu();
        menu.Append(self.ID_NAME,C_APP_NAME);
        menu.AppendSeparator();
        menu.Append(self.ID_AUTHOR,"技术支持");
        menu.Append(self.ID_EXIT,"退出");
        return menu;

# 隐藏窗口
class Frame(wx.Frame):

    def __init__(self,timelen,services):
        wx.Frame.__init__(self,parent=None,title=C_APP_NAME);
        self.timelen = timelen*1000;
        self.services = services;
        self.Show(False);
        self.Bind(wx.EVT_TIMER,self.OnTimerEvent);
        self.Bind(wx.EVT_CLOSE,self.OnExitEvent);
        self.timer = wx.Timer(self);
        self.timer.Start(self.timelen);

    def OnTimerEvent(self,event):
        sc = ServiceControl();
        for name in self.services:
            print name;
            if sc.isStop(name):
                logging.error('系统检测到服务[%s]停止'%(name,));
                sc.start(name);
        sc.close();

    def OnExitEvent(self,event):
        if self.timer:
            self.timer.Stop();
            self.timer = None;

# 进程
class Application(wx.App):

    def OnInit(self):
        # 初始化配置
        xml = XmlNode();
        if not xml.LoadFile(C_CONFIG_PATH):
            logging.error('配置文件不存在');
            return False;
        timelen = xml.FindNode('time').GetInt();
        if timelen            logging.error('监控间隔时间必须大于0秒');
            return False;
        services = xml.FindNode('services').GetChildrenList(tag='item');
        if len(services)==0:
            logging.error('监控服务列表不能为空');
            return False;
        self.taskbar = TaskIcon();
        self.frame = Frame(timelen,services);
        return True;

    def OnExit(self):
        logging.error('监控停止执行');
        self.frame.Close();
        self.taskbar.RemoveIcon();
        self.taskbar.Destroy();

if __name__ == '__main__':
    InitLog();
    app = Application();
    app.MainLoop();

AppXml.py

代码如下:

#!/usr/bin/env python
#-*- encoding:utf-8 -*-

"""
XML操作封装
"""

import os.path;
import logging;
import xml.etree.ElementTree as ElementTree;

class XmlNodeValue(object):
    STRING = 1;
    INT = 2;
    FLOAT = 3;
    BOOL = 4;

class XmlNodeMap(object):
    ATTR = 1;
    TEXT = 2;
    NODE = 3;

class XmlNode(object):

    def __init__(self,currentNode=None,rootNode=None):
        self.currentNode = currentNode;
        self.rootNode = rootNode;

    # 加载XML文件
    def LoadFile(self,path):
        if os.path.isabs(path): path = os.path.abspath(path);
        flag = False;
        try:
            self.rootNode = ElementTree.parse(path);
            if self.rootNode is not None: flag = True;
            self.currentNode = self.rootNode;
        except Exception,e:
            logging.error("XML文件加载失败");
            logging.error(e.__str__());
        return flag;

    # 加载XML内容
    def LoadString(self,data):
        if data is None or len(data.strip())==0: return False;
        flag = False;
        try:
            self.rootNode = ElementTree.fromstring(data);
            if self.rootNode is not None: flag = True;
            self.currentNode = self.rootNode;
        except Exception,e:
            logging.error("XML内容加载失败");
            logging.error(e.__str__());
        return flag;

    # 检查数据是否载入正确
    def IsLoad(self):
        return self.currentNode is not None and self.rootNode is not None;

    # 返回根节点对象
    def GetRoot(self):
        return XmlNode(self.rootNode,self.rootNode);

    # 查找节点,开始为“/”从根节点开始查找,否则从当前节点查找
    def FindNode(self,path):
        if path is None or len(path.strip())==0: return XmlNode(None,self.rootNode);
        path = path.strip();
        node = None;
        if path[0]=='/':
            node = self.rootNode.find(path[1:]);
        else:
            node = self.currentNode.find(path);
        return XmlNode(node,self.rootNode);

    # 查找多节点
    def FindNodes(self,path):
        if path is None or len(path.strip())==0: return XmlNode(None,self.rootNode);
        if path[0]=='/':
            nodes = self.rootNode.findall(path[1:]);
        else:
            nodes = self.currentNode.findall(path);
        return [XmlNode(node,self.rootNode) for node in nodes];

    # 获取子节点列表
    def GetChildrens(self,tag=None):
        return [XmlNode(node,self.rootNode) for node in self.currentNode.iter(tag=tag)];

    # 格式化数据
    def GetFormatData(self,node,type):
        if type==XmlNodeValue.STRING:
            v = node.GetStr();
        elif type==XmlNodeValue.INT:
            v = node.GetInt();
        elif type==XmlNodeValue.FLOAT:
            v = node.GetFloat();
        elif type==XmlNodeValue.BOOL:
            v = node.GetBool();
        else:
            v = node.GetData();
        return v;

    # 获取子节点内容列表
    # valueFormat 值类型 1 字符串,2 整数,3 小数,4 布尔值
    def GetChildrenList(self,tag=None,valueFormat=XmlNodeValue.STRING):
        data = [];
        for node in self.GetChildrens(tag=tag):
            data.append(self.GetFormatData(node,valueFormat));
        return data;

    # 获取子节点Map表
    # keyType 1 使用属性值 2 使用子节点
    # keyName   属性值名称或子节点名称
    # valueType 1 使用属性值 2 使用子节点
    # ValueName 属性值名称或子节点名称
    def GetChildrenMap(self,tag=None,keyType=XmlNodeMap.ATTR,keyName="name",valueType=XmlNodeMap.TEXT,valueName=None,valueFormat=XmlNodeValue.STRING):
        data = {};
        for node in self.GetChildrens(tag=tag):
            k,v = None,None;
            if keyType==XmlNodeMap.ATTR:
                if keyName is None or len(keyName.strip())==0: continue;
                k = node.GetAttrs().GetStr(keyName);
            elif keyType==XmlNodeMap.NODE:
                if keyName is None or len(keyName.strip())==0: continue;
                t = node.FindNode(keyName);
                if not t.IsLoad(): continue;
                k = t.GetStr();
            elif keyType==XmlNodeMap.TEXT:
                k = node.GetStr();
            else:
                continue;
            if k is None or len(k.strip())==0: continue;
            if valueType==XmlNodeMap.ATTR:
                if valueName is None or len(valueName.strip())==0: continue;
                v = self.GetFormatData(node.GetAttrs(),valueFormat);
            elif valueType==XmlNodeMap.NODE:
                if valueName is None or len(valueName.strip())==0: continue;
                t = node.FindNode(valueName);
                if t.IsLoad():
                    v = self.GetFormatData(t,valueFormat);
            elif valueType==XmlNodeMap.TEXT:
                v = self.GetFormatData(node,valueFormat);
            else:
                v = None;
            data[k] = v;
        return data;

    # 获取节点名称
    def GetTag(self):
        if self.currentNode is None: return "";
        return self.currentNode.tag;

    # 获取节点内容
    def GetData(self,default=None):
        if self.currentNode is None: return default;
        return self.currentNode.text;

    def GetStr(self,default="",strip=True):
        data = self.GetData();
        if data is None: return default;
        try:
            data = str(data.encode("utf-8"));
            if data is None:
                data = default;
            else:
                if strip:
                    data = data.strip();
        except Exception,e:
            print e;
            data = default;
        return data;

    def GetInt(self,default=0):
        data = self.GetData();
        if data is None: return default;
        try:
            data = int(data);
            if data is None: data = default;
        except Exception:
            data = default;
        return data;

    def GetFloat(self,default=0.0):
        data = self.GetData();
        if data is None: return default;
        try:
            data = float(data);
            if data is None: data = default;
        except Exception:
            data = default;
        return data;

    def GetBool(self,default=False):
        data = self.GetData();
        if data is None: return default;
        data = False;
        if self.GetStr().lower()=="true" or self.GetInt()==1: data = True;
        return data;

    # 获取节点属性
    def GetAttrs(self,default={}):
        return XmlAttr(self);

class XmlAttr(object):

    def __init__(self,node):
        self.node = node;
        self.InitAttrs();

    # 获取Node
    def GetNode(self):
        return self.node;

    # 设置Node
    def SetNode(self,node):
        self.node = node;
        self.InitAttrs();

    # 初始化Node属性列表
    def InitAttrs(self):
        if self.node is None or self.node.currentNode is None:
            self.attrs = {};
        self.attrs = self.node.currentNode.attrib;

    # 获取属性
    def GetAttrs(self):
        if self.attrs is None: self.InitAttrs();
        return self.attrs;

    # 获取指定属性
    def GetData(self,key,default=None):
        data = self.attrs.get(key);
        if data is None : data = default;
        return data;

    def GetStr(self,key,default="",strip=True):
        data = self.GetData(key);
        if data is None: return default;
        try:
            data = str(data.encode("utf-8"));
            if data is None:
                data = default;
            else:
                if strip:
                    data = data.strip();
        except Exception:
            data = default;
        return data;

    def GetInt(self,key,default=0):
        data = self.GetData(key);
        if data is None: return default;
        try:
            data = int(data);
            if data is None: data = default;
        except Exception:
            data = default;
        return data;

    def GetFloat(self,key,default=0.0):
        data = self.GetData(key);
        if data is None: return default;
        try:
            data = float(data);
            if data is None: data = default;
        except Exception:
            data = default;
        return data;

    def GetBool(self,key,default=False):
        data = self.GetData(key);
        if data is None: return default;
        data = False;
        if self.GetStr(key).lower()=="true" or self.GetInt(key)==1: data = True;
        return data;

# 测试
if __name__ == "__main__":
    node = XmlNode();
    print node.LoadFile(r"config.xml");
    print node.FindNode("engine/headers").GetChildrenMap("header",XmlNodeMap.ATTR,"name",XmlNodeMap.TEXT,None,XmlNodeValue.STRING);

AppResource.py

代码如下:

#----------------------------------------------------------------------
# This file was generated by C:\Python27\Scripts\img2py
#
from wx.lib.embeddedimage import PyEmbeddedImage

TaskIcon = PyEmbeddedImage(
    "iVBORw0KGgoAAAANSUhEUgAAACAAAAAgCAYAAABzenr0AAAABHNCSVQICAgIfAhkiAAACQdJ"
    "REFUWIXFl31s1eUVxz/P7+2+997evve2pZbaQmmhCOIL9QVBgsjEGSMZOHRGjTFmWcymy7Ko"
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