python实现监控windows服务并自动启动服务示例
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
#!/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<=0:
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
#!/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
#----------------------------------------------------------------------
# This file was generated by C:\Python27\Scripts\img2py
#
from wx.lib.embeddedimage import PyEmbeddedImage
TaskIcon = PyEmbeddedImage(
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config.xml
<?xml version="1.0" encoding="utf-8" ?>
<config>
<!-- 需要监控的服务名称列表 -->
<services>
<item>Dhcp</item>
</services>
<!-- 间隔时间(单位秒) -->
<time>10</time>
</config>