+
−/*
+
− * This Source Code Form is subject to the terms of the Mozilla Public
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− * License, v. 2.0.  If a copy of the MPL was not distributed with this
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− * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
− *
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− * Copyright 1997 - July 2008 CWI, August 2008 - 2020 MonetDB B.V.
+
− */
+
−
+
−import java.sql.*;
+
−import java.util.*;
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−
+
−public class Test_Cforkbomb {
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−	private static String args[];
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−
+
−	static class Worker extends Thread {
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−		private int id;
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−
+
−		public Worker(int id) {
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−			this.id = id;
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−		}
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−
+
−		public void run() {
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−			try {
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−				System.out.print("Establishing Connection " + id + "...");
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−				Connection con = DriverManager.getConnection(args[0]);
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−				System.out.println(" done...");
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−
+
−				// do something with the connection to test if it works
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−				Statement stmt = con.createStatement();
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−				ResultSet rs = stmt.executeQuery("SELECT " + id);
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−				if (!rs.next()) {
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−					System.out.println("thread " + id + " got no response from server :(");
+
−				} else {
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−					if (rs.getInt(1) == id) {
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−						System.out.println("thread " + id + ": connection ok");
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−					} else {
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−						System.out.println("thread " + id + ": got garbage: " + rs.getString(1));
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−					}
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−				}
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−
+
−				con.close();
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−			} catch (SQLException e) {
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−				System.out.println("thread " + id + " unhappy: " + e.toString());
+
−			}
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−		}
+
−	}
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−
+
−	public static void main(String[] args) throws Exception {
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−		Test_Cforkbomb.args = args;
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−		// Class.forName("nl.cwi.monetdb.jdbc.MonetDriver");	// not needed anymore for self registering JDBC drivers
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−
+
−		// just DoS the server full throttle :)
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−		int i;
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−		for (i = 0; i < 200; i++) {
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−			Worker w = new Worker(i);
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−			w.start();
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−		}
+
−	}
+
−}