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| import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.security.cert.CertificateException;
import java.security.cert.X509Certificate;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.HashMap;
import java.util.ResourceBundle;
import java.util.concurrent.Executors;
import java.util.concurrent.ScheduledExecutorService;
import java.util.concurrent.TimeUnit;
import javax.net.ssl.SSLContext;
import javax.net.ssl.TrustManager;
import javax.net.ssl.X509TrustManager;
import javazoom.jl.player.Player;
import org.apache.http.HttpHost;
import org.apache.http.HttpResponse;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.conn.ClientConnectionManager;
import org.apache.http.conn.params.ConnRoutePNames;
import org.apache.http.conn.scheme.Scheme;
import org.apache.http.conn.scheme.SchemeRegistry;
import org.apache.http.conn.ssl.SSLSocketFactory;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.params.CoreConnectionPNames;
import org.apache.http.util.EntityUtils;
public class Monitor {
private static ResourceBundle p = ResourceBundle.getBundle("Config");
public static void main(String[] args) {
int interval = Integer.valueOf(p.getString("interval"));
String do_url = p.getString("do_url");
String pharmweb_url = p.getString("pharmweb_url");
String do_login_url = p.getString("do_login_url");
String pharmweb_login_url = p.getString("pharmweb_login_url");
int timeout = Integer.valueOf(p.getString("timeout"));
String proxyAddress = p.getString("proxy");
int port = Integer.valueOf(p.getString("port"));
String musicPath = p.getString("music_path");
int sendmailCount = Integer.valueOf(p
.getString("sendmail_interrupt_count"));
int existCount = Integer.valueOf(p.getString("exit_interrupt_count"));
ScheduledExecutorService service = Executors
.newSingleThreadScheduledExecutor();
Task task = new Task(do_url, do_login_url, pharmweb_url,
pharmweb_login_url, timeout, proxyAddress, port, musicPath,
sendmailCount, existCount);
service.scheduleWithFixedDelay(task, 0, interval, TimeUnit.SECONDS);
}
}
class Task implements Runnable {
private static final SimpleDateFormat sf = new SimpleDateFormat(
"dd/MM/yyyy HH:mm:ss");
private String do_url ;
private String pharmweb_url ;
private String do_login_url ;
private String pharmweb_login_url ;
private int timeout = 30;
private String proxyAddress = "proxy1.scig.gov.hk";
private int port = 8080;
private String music;
private int sendmailCount;
private int existCount;
private static HashMap<String, Integer> interruptCounter = new HashMap<String, Integer>();
private static int totalErrorConnection = 0;
public Task(String do_url, String do_login_url, String pharmweb_url,
String pharmweb_login_url, int timeout, String proxyAddress,
int port, String music, int sendmailCount, int existCount) {
this.do_url = do_url;
this.do_login_url = do_login_url;
this.pharmweb_url = pharmweb_url;
this.pharmweb_login_url = pharmweb_login_url;
this.timeout = timeout;
this.proxyAddress = proxyAddress;
this.port = port;
this.music = music;
this.sendmailCount = sendmailCount;
this.existCount = existCount;
}
@Override
public void run() {
System.out.printf("=============== %s =====================\n", sf
.format(new Date()));
boolean useProxy = false;
if (!"".equals(this.proxyAddress)) {
useProxy = true;
}
System.out.printf("connect: %s\n", do_url);
if (connectionChecking(do_url, useProxy)) {
System.out.printf("connect: %s\n", do_login_url);
checkDoLogin(do_login_url, useProxy);
}
System.out.printf("connect: %s\n", pharmweb_url);
if (connectionChecking(pharmweb_url, false)) {
System.out.printf("connect: %s\n", pharmweb_login_url);
checkPharmwebLogin(pharmweb_login_url);
}
if (totalErrorConnection > 0) {
System.out.printf("total error connection: [%s]\n",
totalErrorConnection);
if (totalErrorConnection > this.existCount) {
System.exit(0);
}
}
System.out.println("\n");
notifyUser();
}
private void notifyUser() {
for (String url : interruptCounter.keySet()) {
int connectErrors = interruptCounter.get(url);
if (connectErrors > this.sendmailCount) {
System.out.println("send mail to notify users. error url: "
+ url);
interruptCounter.put(url, 0);
}
}
}
private boolean connectionChecking(String url, boolean useProxy) {
DefaultHttpClient client = new DefaultHttpClient();
if (useProxy) {
HttpHost proxy = new HttpHost(proxyAddress, port);
client.getParams().setParameter(ConnRoutePNames.DEFAULT_PROXY,
proxy);
}
client.getParams().setParameter(
CoreConnectionPNames.CONNECTION_TIMEOUT, timeout);
HttpGet httpget = new HttpGet(url);
try {
HttpResponse response = client.execute(httpget);
System.out.println(response.getStatusLine());
return true;
} catch (ClientProtocolException e) {
processException(url, e);
} catch (IOException e) {
processException(url, e);
} finally {
postProcess(client, url);
}
return false;
}
private void checkPharmwebLogin(String url) {
final DefaultHttpClient client = new DefaultHttpClient();
client.getParams().setParameter(
CoreConnectionPNames.CONNECTION_TIMEOUT, timeout);
HttpPost httpget = new HttpPost(url);
try {
HttpResponse response = client.execute(httpget);
System.out.println(response.getStatusLine());
} catch (ClientProtocolException e) {
processException(url, e);
} catch (IOException e) {
processException(url, e);
} finally {
postProcess(client, url);
}
}
private void checkDoLogin(String url, boolean useProxy) {
HttpClient client = WebClientDevWrapper
.wrapClient(new DefaultHttpClient());
HttpPost httpget = new HttpPost(url);
try {
if (useProxy) {
HttpHost proxy = new HttpHost(proxyAddress, port);
client.getParams().setParameter(ConnRoutePNames.DEFAULT_PROXY,
proxy);
}
client.getParams().setParameter(
CoreConnectionPNames.CONNECTION_TIMEOUT, timeout);
HttpResponse response = client.execute(httpget);
System.out.println(response.getStatusLine());
EntityUtils.consume(response.getEntity());
} catch (ClientProtocolException e) {
processException(url, e);
} catch (IOException e) {
processException(url, e);
} finally {
postProcess(client, url);
}
}
private void processException(String url, Exception e) {
e.printStackTrace();
System.out.printf("connect error:[%s]\n ", url);
try {
InputStream in = new FileInputStream(music);
Player player = new Player(in);
player.play();
} catch (Exception e1) {
e1.printStackTrace();
}
int num = 1;
if (interruptCounter.containsKey(url)) {
num = interruptCounter.get(url);
num++;
interruptCounter.put(url, num);
} else {
interruptCounter.put(url, num);
}
System.out.printf("url [%s] interrupt:[%d] \n", url, num);
totalErrorConnection++;
}
private void postProcess(HttpClient client, String url) {
client.getConnectionManager().shutdown();
}
}
class WebClientWrapper {
public static HttpClient wrapClient(HttpClient base) {
try {
SSLContext ctx = SSLContext.getInstance("TLS");
X509TrustManager tm = new X509TrustManager() {
@Override
public void checkClientTrusted(X509Certificate[] arg0,
String arg1) throws CertificateException {
}
@Override
public void checkServerTrusted(X509Certificate[] arg0,
String arg1) throws CertificateException {
}
@Override
public X509Certificate[] getAcceptedIssuers() {
return null;
}
};
ctx.init(null, new TrustManager[] { tm }, null);
SSLSocketFactory ssf = new SSLSocketFactory(ctx,
SSLSocketFactory.ALLOW_ALL_HOSTNAME_VERIFIER);
ClientConnectionManager ccm = base.getConnectionManager();
SchemeRegistry sr = ccm.getSchemeRegistry();
sr.register(new Scheme("https", 443, ssf));
return new DefaultHttpClient(ccm, base.getParams());
} catch (Exception e) {
e.printStackTrace();
return null;
}
}
}
|