/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License (the "License").
 * You may not use this file except in compliance with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 */

/*
 * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 *
 * ident        "%Z%%M% %I%     %E% SMI"
 */

import org.opensolaris.os.dtrace.*;

/**
 * Prove that enable() handles multiple programs, recognizing programs
 * that are already enabled and programs that were compiled by another
 * consumer.
 */
public class TestEnable {
    static void
    exit(int status)
    {
        System.out.flush();
        System.err.flush();
        System.exit(status);
    }

    public static void
    main(String[] args)
    {
        Consumer consumer = new LocalConsumer();

        try {
            consumer.open();
            Program p0 = consumer.compile("dtrace:::BEGIN");
            Program p1 = consumer.compile("syscall:::entry");
            Program p2 = consumer.compile("dtrace:::END");
            consumer.enable(p0);
            consumer.enable(p1);
            try {
                consumer.go();
                System.err.println("go() illegal, not all programs " +
                        "enabled (p0, p1)");
                exit(1);
            } catch (IllegalStateException e) {
                System.out.println(e);
            } catch (Exception e) {
                e.printStackTrace();
                exit(1);
            }
            try {
                consumer.enable();
                System.err.println("enable() illegal, some programs " +
                        "already enabled (p0, p1)");
                exit(1);
            } catch (IllegalStateException e) {
                System.out.println(e);
            } catch (Exception e) {
                e.printStackTrace();
                exit(1);
            }
            try {
                consumer.enable(p0);
                System.err.println("cannot enable a program that " +
                        "has already been enabled (p0)");
                exit(1);
            } catch (IllegalStateException e) {
                System.out.println(e);
            } catch (Exception e) {
                e.printStackTrace();
                exit(1);
            }
            consumer.enable(p2);
            Program p3 = consumer.compile("syscall:::return");
            try {
                consumer.go();
                System.err.println("go() illegal, not all programs " +
                        "enabled (p0, p1, p2)");
                exit(1);
            } catch (IllegalStateException e) {
                System.out.println(e);
            } catch (Exception e) {
                e.printStackTrace();
                exit(1);
            }
            try {
                consumer.enable();
                System.err.println("enable() illegal, some programs " +
                        "already enabled (p0, p1, p2)");
                exit(1);
            } catch (IllegalStateException e) {
                System.out.println(e);
            } catch (Exception e) {
                e.printStackTrace();
                exit(1);
            }
            // Try to fool the consumer with a program compiled by
            // another consumer
            Consumer consumer2 = new LocalConsumer();
            consumer2.open();
            Program p3x = consumer2.compile("syscall:::return");
            try {
                consumer.enable(p3x);
                System.err.println("cannot enable program compiled " +
                        "by another consumer");
                exit(1);
            } catch (IllegalArgumentException e) {
                System.out.println(e);
            } catch (Exception e) {
                e.printStackTrace();
                exit(1);
            } finally {
                consumer2.close();
            }
            consumer.enable(p3);
            consumer.go();
            consumer.close();

            // Enable all compiled programs at once
            consumer = new LocalConsumer();
            consumer.open();
            consumer.compile("dtrace:::BEGIN");
            consumer.compile("syscall:::entry");
            consumer.compile("dtrace:::END");
            consumer.enable();
            consumer.go();
            consumer.close();
            exit(0);
        } catch (DTraceException e) {
            e.printStackTrace();
            exit(1);
        }
    }
}