/*
* MoparScape.org server status page
* Copyright (C) 2012 Travis Burtrum (moparisthebest)
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see .
*/
import java.net.InetSocketAddress;
import java.net.Socket;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.Statement;
import java.util.Date;
import java.util.HashMap;
public class ServerChecker {
// remove dups : SELECT * FROM servers s1, servers s2 WHERE s1.id != s2.id AND s1.ipaddress = s2.ipaddress
/*
select bad_rows.*
from servers as bad_rows
inner join (
SELECT s1.* FROM servers s1, servers s2 WHERE s1.id != s2.id AND s1.ipaddress = s2.ipaddress
) as good_rows on good_rows.id = bad_rows.id;
*/
private static final String userName = "user";
private static final String userPass = "pass";
private static final String databaseUrl = "jdbc:mysql://localhost:3306/serverstat";
private static final String sqlOr = " OR id=";
private HashMap iphostname = new HashMap(1000);
private Connection conn;
public ServerChecker() {
System.out.println(new Date() + " - STARTING...");
try {
connect();
// timeFromDate();
updateServers();
validateNewServers();
// timestamp();
disconnect();
System.out.println(new Date() + " - FINISHED SUCCESSFULLY!!");
} catch (Exception e) {
System.out.println(new Date() + " - ERROR!!");
e.printStackTrace(System.out);
}
}
/*
private void timestamp() throws Exception {
DataOutputStream dos = new DataOutputStream(new FileOutputStream("/opt/lampp/htdocs/moparscape.org/timestamp"));
dos.writeLong(System.currentTimeMillis()/1000);
dos.close();
}
*/
private void connect() throws Exception {
Class.forName("com.mysql.jdbc.Driver").newInstance();
conn = DriverManager.getConnection(databaseUrl, userName, userPass);
}
private void disconnect() throws Exception {
conn.close();
}
private void safeExecuteUpdate(Statement stmt, String update) {
try {
stmt.executeUpdate(update);
} catch (Exception e) {
System.out.println("safeExecuteUpdate error!");
System.out.println("update: " + update);
System.out.println("Error: " + e.getMessage());
e.printStackTrace(System.out);
}
}
private void updateServers() throws Exception {
Statement stmt = conn.createStatement();
ResultSet result = stmt.executeQuery("SELECT `id`, `ip`, `port` from `servers` where sponsored = '0'");
StringBuilder online = new StringBuilder("UPDATE servers SET online=1, totalcount=totalcount+1, oncount=oncount+1, `uptime` = (oncount / totalcount * 100) WHERE id=");
StringBuilder offline = new StringBuilder("UPDATE servers SET online=0, totalcount=totalcount+1, `uptime` = (oncount / totalcount * 100) WHERE id=");
int onLength = online.length();
int offLength = offline.length();
while (result.next()) {
// System.out.println("Name:\t" + result.getString("id"));
// System.out.println("IP:\t" + result.getString("IP"));
// System.out.println("Port:\t" + result.getString("Port"));
if (validServer(result.getString("ip"), result.getInt("port"))) {
// System.out.println("ONLINE");
online.append(result.getString("id")).append(sqlOr);
} else {
// System.out.println("OFFLINE");
offline.append(result.getString("id")).append(sqlOr);
}
}
//System.out.println(online.substring(0, online.length()-sqlOr.length()));
//System.out.println(offline.substring(0, offline.length()-sqlOr.length()));
if (online.length() > onLength)
safeExecuteUpdate(stmt, online.substring(0, online.length() - sqlOr.length()));
if (offline.length() > offLength)
safeExecuteUpdate(stmt, offline.substring(0, offline.length() - sqlOr.length()));
safeExecuteUpdate(stmt, "DELETE FROM `servers` WHERE `uptime` < '40'");
}
private void validateNewServers() throws Exception {
Statement stmt = conn.createStatement();
ResultSet result = stmt.executeQuery("SELECT `id`, `ip`, `port` from `toadd` WHERE `verified` = '1'");
Statement stmt2 = conn.createStatement();
while (result.next()) {
// System.out.println("Name:\t" + result.getString("id"));
// System.out.println("IP:\t" + result.getString("IP"));
// System.out.println("Port:\t" + result.getString("Port"));
if (validServer(result.getString("ip"), result.getInt("port"))) {
// System.out.println("ONLINE");
safeExecuteUpdate(stmt2, "INSERT INTO `servers` (`uid`, `uname`, `name`, `ip`, `port`, `version`, `time`, `info`, `ipaddress`, `rs_name`, `rs_pass`) SELECT `uid`, `uname`, `name`, `ip`, `port`, `version`, `time`, `info`, `ipaddress`, `rs_name`, `rs_pass` FROM `toadd` WHERE `id` = " + result.getString("id"));
safeExecuteUpdate(stmt2, "DELETE FROM `toadd` WHERE `id` = " + result.getString("id"));
}
}
// delete entries that are past a certain date old
// System.currentTimeMillis()/1000 is unix timestamp
// 86400 is 24 hours in seconds
long oldSeconds = (System.currentTimeMillis() / 1000) - 86400;
safeExecuteUpdate(stmt2, "DELETE FROM `toadd` WHERE `time` < " + oldSeconds);
}
/*
private void timeFromDate() throws Exception {
Statement stmt = conn.createStatement();
ResultSet result = stmt.executeQuery("SELECT `id`, `date` from `servers`");
Statement stmt2 = conn.createStatement();
while (result.next()) {
String[] date = result.getString("date").split("-");
safeExecuteUpdate(stmt2, "UPDATE servers SET time="+new GregorianCalendar(Integer.parseInt("20"+date[2]),Integer.parseInt(date[0])-1,Integer.parseInt(date[1])).getTimeInMillis()/1000 +" WHERE id="+result.getString("id"));
}
}
*/
private void deleteServers(String s1, String s2) throws Exception {
Statement stmt = conn.createStatement();
safeExecuteUpdate(stmt, "DELETE FROM `servers` WHERE `ip` = '" + s1 + "' OR `ip` = '" + s2 + "'");
}
private boolean validServer(String ip, int port) throws Exception {
Socket s;
try {
s = new Socket();
s.setSoTimeout(2000);
InetSocketAddress addy = new InetSocketAddress(ip, port);
if (addy.isUnresolved())
return false;
// System.out.println("addy: "+addy.getAddress().getHostAddress());
String resolvedIP = addy.getAddress().getHostAddress();
if (iphostname.containsKey(resolvedIP)) {
// System.out.println("deleteServers("+ip+", "+iphostname.get(resolvedIP)+")");
// if you delete the server in the database, anyone can delete any server by posting a duplicate
// instead simply don't allow this one in.
//deleteServers(ip, iphostname.get(resolvedIP));
return false;
}
// System.out.println("iphostname.put("+resolvedIP+", "+ip+")");
iphostname.put(resolvedIP, ip);
s.connect(addy, 2000);
} catch (Exception e) {
// e.printStackTrace();
return false;
}
try {
s.close();
} catch (Exception e) {
}
return true;
/* try {
DataOutputStream out = new DataOutputStream(s.getOutputStream());
DataInputStream in = new DataInputStream(s.getInputStream());
out.writeChar(14 << 8);
out.flush();
in.skip(8);
int response = in.readByte() & 0xff;
try {
s.close();
} catch (Exception e) {}
return response == 0;
} catch (Exception e) {
// e.printStackTrace();
}
try {
s.close();
} catch (Exception e) {}
return false;
*/
}
public static void main(String args[]) {
// System.out.println(new GregorianCalendar(2008,2-1,1).getTimeInMillis()/1000);// 1204329600
new ServerChecker();
}
}