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spy2servers組件化的監(jiān)控平臺使用幫助手冊(更新)

前一篇文章已經(jīng)把spy2servers的用戶使用手冊整理出來了，這次更新主要是把開發(fā)手冊部分的整理。

如果沒有下載的朋友可以從下面下載spy2servers。
1. 下載
下載地址：
二進制程序
第三方類庫下載,第三方類庫下載2 Jetty類庫放到lib目錄下。
api-docs
源代碼

開發(fā)手冊:

spy2servers對外提供三個組件接口，分別SpyComponent, AlertComponent和MessageAlertChannelActiveAwareComponent
下面是接口的實現(xiàn)類圖：

SpyComponent

AlertComponent

MessageAlertChannelActiveAwareComponent

SpyComponet接口提供監(jiān)控組件的功能。我們可以直接去實現(xiàn)該接口即可。不過為了方便 spy2servers還提供AbstractSpyComponent抽象類
幫助我們更快速的開發(fā)。
下面來簡單的根據(jù)來實現(xiàn)一個SimpleSpyComponent.功能很簡單，就是每5秒鐘發(fā)送一個監(jiān)控消息。
SimpleSpyComponent繼承AbstractSpyComponent。
下面源代碼：因為實現(xiàn)非常簡單，我就不解釋了。

1 import java.util.Date;
2 import java.util.UUID;
3
4 import org.xmatthew.spy2servers.core.AbstractSpyComponent;
5 import org.xmatthew.spy2servers.core.Message;
6
7 /**
8  * @author Matthew Xie
9  *
10  */
11 public class SimpleSpyComponent extends AbstractSpyComponent {
12
13     private boolean started;
14
15     /* (non-Javadoc)
16      * @see org.xmatthew.spy2servers.core.Component#startup()
17      */
18     public void startup() {
19
20         started = true;
21         setStatusRun();
22         try {
23             while (started) {
24                 onSpy(createMessage());
25                 Thread.sleep(5000);
26             }
27         } catch (Exception e) {
28             e.printStackTrace();
29         }
30     }
31
32     private Message createMessage() {
33         Message message = new Message();
34         message.setId(UUID.randomUUID().toString());
35         message.setCreateDate(new Date());
36         message.setDescription("message sent by " + getName());
37         message.setLevel(Message.LV_INFO);
38         message.setType("Test Message");
39         return message;
40     }
41
42     public void stop() {
43         started = false;
44       setStatusStop();
45     }
46
47 }

好了，現(xiàn)在我實現(xiàn)一個監(jiān)控組件，讓我們再來實現(xiàn)一個報警組件SimpleAlertComponet，它繼承AbstractAlertComponent抽象類。
下面是實現(xiàn)的源代碼：功能也是超簡單，就是如果組件的狀態(tài)正常，則從屏幕輸出Message消息內(nèi)容

1 import org.xmatthew.spy2servers.core.AbstractAlertComponent;
2 import org.xmatthew.spy2servers.core.Message;
3
4 /**
5  * @author Matthew Xie
6  *
7  */
8 public class SimpleAlertComponet extends AbstractAlertComponent{
9
10     private boolean started;
11
12     @Override
13     protected void onAlert(Message message) {
14         if (started) {
15             System.out.println(message);
16         }
17     }
18
19     public void startup() {
20
21         started = true;
22         setStatusRun();
23
24     }
25
26     public void stop() {
27         started = false;
28         setStatusStop();
29
30     }
31
32 }

接下來我們來實現(xiàn)MessageAlertChannelActiveAwareComponent組件。它的功能是消息調(diào)度監(jiān)控組件接口，提供消息調(diào)度監(jiān)控的管理。
我們知道JmxServiceComponent組件就實現(xiàn)該接口，通過JMX服務(wù)提供消息調(diào)度情況。
下面是實現(xiàn)的源代碼，只是把每次調(diào)試的消息打印出來

1 import java.util.Collections;
2 import java.util.LinkedList;
3 import java.util.List;
4
5 import org.xmatthew.spy2servers.core.AbstractComponent;
6 import org.xmatthew.spy2servers.core.MessageAlertChannel;
7 import org.xmatthew.spy2servers.core.MessageAlertChannelActiveAwareComponent;
8
9 /**
10  * @author Matthew Xie
11  *
12  */
13 public class SimpleChannelAwareComponent extends AbstractComponent implements
14         MessageAlertChannelActiveAwareComponent {
15
16     private boolean started;
17
18     private List<MessageAlertChannel> channels = Collections.synchronizedList(new LinkedList<MessageAlertChannel>());
19
20     public List<MessageAlertChannel> getChannels() {
21         return channels;
22     }
23
24     public void onMessageAlertChannelActive(MessageAlertChannel channel) {
25         if (!started) {
26             return;
27         }
28         channels.add(channel);
29         printChannel(channel);
30     }
31
32     public void startup() {
33         started = true;
34         setStatusRun();
35
36     }
37
38     public void stop() {
39         started = false;
40         setStatusStop();
41
42     }
43
44     private void printChannel(MessageAlertChannel channel) {
45         if (channel != null) {
46             System.out.println("channel aware component say:");
47             System.out.print("spyComponent is: ");
48             System.out.println(channel.getSpyComponent());
49             System.out.print("alertComponent is: ");
50             System.out.println(channel.getAlertComponent());
51             System.out.print("message is: ");
52             System.out.println(channel.getMessage());
53         }
54     }
55
56
57 }

ok,接下來我們來配置spy2servers.xml文件使用它工作起來。

<?xml version="1.0" encoding="UTF-8"?>
<beans:beans xmlns="http://www.xmatthew.org/spy2servers/schema"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xmlns:beans="http://www.springframework.org/schema/beans"
    xmlns:context="http://www.springframework.org/schema/context"
    xmlns:util="http://www.springframework.org/schema/util"
    xsi:schemaLocation="http://www.springframework.org/schema/beans
        http://www.springframework.org/schema/beans/spring-beans-2.0.xsd
        http://www.xmatthew.org/spy2servers/schema
        http://www.xmatthew.org/spy2servers/schema/spy2servers-1.0.xsd
        http://www.springframework.org/schema/context
        http://www.springframework.org/schema/context/spring-context-2.0.xsd">

    <core-component> 
        <simple-alertRule> 
            <channel>
                <from value="mySpyComponent"/>
                <to value="myAlertComponent"/>
            </channel>
        </simple-alertRule>
    </core-component>

    <jmxService-component/> 

    
    <beans:bean class="org.xmatthew.mypractise.SimpleSpyComponent">
        <beans:property name="name" value="mySpyComponent"></beans:property>
    </beans:bean>

    
    <beans:bean class="org.xmatthew.mypractise.SimpleAlertComponet">
        <beans:property name="name" value="myAlertComponent"></beans:property>
    </beans:bean>

    
    <beans:bean class="org.xmatthew.mypractise.SimpleChannelAwareComponent">
        <beans:property name="name" value="SimpleChannelAwareComponent"></beans:property>
    </beans:bean>

  <jetty> 
    <connectors>
      <nioConnector port="7758" /> 
    </connectors>
    <handlers>
        
      <servlet servletClass="org.xmatthew.spy2servers.component.web.ComponentsViewServlet" path="/admin" />
    </handlers>
  </jetty>

</beans:beans>

好了，現(xiàn)在我們運行start.sh啟動看一下效果

INFO Main - Server starting

INFO  log                            - Logging to org.slf4j.impl.JCLLoggerAdapter(org.mortbay.log) via org.mortbay.log.Slf4jLog
INFO  CoreComponent                  - plug component CoreComponent
INFO  CoreComponent                  - plug component JmxServiceComponent
INFO  CoreComponent                  - plug component mySpyComponent
INFO  CoreComponent                  - plug component myAlertComponent
INFO  CoreComponent                  - plug component SimpleChannelAwareComponent
INFO  log                            - jetty-6.1.4

沒問題我們的組件已經(jīng)運行起來，接下就是五秒輸出結(jié)果:

channel aware component say:
spyComponent is: org.xmatthew.mypractise.SimpleSpyComponent@193385d
alertComponent is: org.xmatthew.mypractise.SimpleAlertComponet@5973ea
message is: org.xmatthew.spy2servers.core.Message@171f189[id=cb8c02c8-62b3-4c7f-8dc3-aea41382c178,body=<null>,level=4,properties={},createDate=Fri Apr 25 22:39:24 CST 2008,description=message sent by mySpyComponent,type=Test Message]
org.xmatthew.spy2servers.core.Message@1a897a9[id=52a954ef-2b3b-4374-a257-e3f3a9b5e209,body=<null>,level=4,properties={from=mySpyComponent, to=myAlertComponent},createDate=Fri Apr 25 22:39:29 CST 2008,description=message sent by mySpyComponent,type=Test Message]
channel aware component say:
spyComponent is: org.xmatthew.mypractise.SimpleSpyComponent@193385d
alertComponent is: org.xmatthew.mypractise.SimpleAlertComponet@5973ea
message is: org.xmatthew.spy2servers.core.Message@17cec96[id=52a954ef-2b3b-4374-a257-e3f3a9b5e209,body=<null>,level=4,properties={},createDate=Fri Apr 25 22:39:29 CST 2008,description=message sent by mySpyComponent,type=Test Message]
org.xmatthew.spy2servers.core.Message@1947496[id=548c0c9f-0aa5-480d-a91b-b0a6d98d4aeb,body=<null>,level=4,properties={from=mySpyComponent, to=myAlertComponent},createDate=Fri Apr 25 22:39:34 CST 2008,description=message sent by mySpyComponent,type=Test Message]

可以使用JMX或是進入web管理頁面查看組件的狀態(tài)。

大功告成，我們已經(jīng)對spy2serves平臺提供三個組件都做了簡單實現(xiàn)。
如果有什么問題歡迎大家給我留言。

Good Luck!
Yours Matthew!
2008年4月25日

posted on 2008-04-25 22:47 x.matthew 閱讀(3650) 評論(18) 編輯收藏所屬分類: Spy2Servers

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