Examples of org.apache.derby.drda.NetworkServerControl

org.apache.derby.drda.NetworkServerControl
NetworkServerControl provides the ability to start a Network Server or connect to a running Network Server to shutdown, configure or retreive diagnostic information. With the exception of ping, these commands can only be performed from the machine on which the server is running. Commands can be performed from the command line with the following arguments:
- start [-h <host>] [-p <portnumber>]: This starts the network server on the port/host specified or on localhost, port 1527 if no host/port is specified and no properties are set to override the defaults. By default Network Server will only listen for connections from the machine on which it is running. Use -h 0.0.0.0 to listen on all interfaces or -h <hostname> to listen on a specific interface on a multiple IP machine.
- shutdown [-h <host>][-p <portnumber>]: This shutdowns the network server on the host and port specified or on the local host and port 1527(default) if no host or port is specified.
- ping [-h <host>] [-p <portnumber>] This will test whether the Network Server is up.
- sysinfo [-h <host>] [-p <portnumber>]: This prints classpath and version information about the Network Server, the JVM and the Derby engine.
- runtimeinfo [-h <host] [-p <portnumber]: This prints extensive debbugging information about sessions, threads, prepared statements, and memory usage for the running Network Server.
- logconnections {on | off} [-h <host>] [-p <portnumber>]: This turns logging of connections on or off. Connections are logged to derby.log. Default is off.
- maxthreads <max> [-h <host>][-p <portnumber>]: This sets the maximum number of threads that can be used for connections. Default 0 (unlimitted).
- timeslice <milliseconds> [-h <host>][-p <portnumber>]: This sets the time each session can have using a connection thread before yielding to a waiting session. Default is 0 (no yeild).
- trace {on | off} [-s <session id>] [-h <host>] [-p <portnumber>]: This turns drda tracing on or off for the specified session or if no session is specified for all sessions. Default is off
- tracedirectory <tracedirectory> [-h <host>] [-p <portnumber>]: This changes where new trace files will be placed. For sessions with tracing already turned on, trace files remain in the previous location. Default is derby.system.home, if it is set. Otherwise the default is the current directory.
Properties can be set in the derby.properties file or on the command line. Properties on the command line take precedence over properties in the derby.properties file. Arguments on the command line take precedence over properties. The following is a list of properties that can be set for NetworkServerControl:
- derby.drda.portNumber=<port number>: This property indicates which port should be used for the Network Server.
- derby.drda.host=<host name or ip address >: This property indicates the ip address to which NetworkServerControl should connect
- derby.drda.traceDirectory=<trace directory>: This property indicates where to put trace files.
- derby.drda.traceAll=true: This property turns on tracing for all sessions. Default is tracing is off.
- derby.drda.logConnections=true: This property turns on logging of connections. Default is connections are not logged.
- derby.drda.minThreads=<value>: If this property is set, the <value> number of threads will be created when the Network Server is booted.
- derby.drda.maxThreads=<value>: If this property is set, the <value> is the maximum number of connection threads that will be created. If a session starts when there are no connection threads available and the maximum number of threads has been reached, it will wait until a conection thread becomes available.
- derby.drda.timeSlice=<milliseconds>: If this property is set, the connection threads will not check for waiting sessions until the current session has been working for <milliseconds>. A value of 0 causes the thread to work on the current session until the session exits. If this property is not set, the default value is 0.

        int maxValue = server.getMaxThreads();
        assertEquals("Fail! Max threads value incorrect!", 0, maxValue);
    }


    public void test_05_MaxThreads_Neg1() throws Exception {
        NetworkServerControl server = new NetworkServerControl(InetAddress.getLocalHost(),TestConfiguration.getCurrent().getPort());
        String[] maxthreadsCmd2 = new String[]{"org.apache.derby.drda.NetworkServerControl",
                "maxthreads", "-1", "-h", "localhost", "-p", String.valueOf(TestConfiguration.getCurrent().getPort())};
        String host = TestUtil.getHostName();
        maxthreadsCmd2[4] = host;
        assertExecJavaCmdAsExpected(new String[]{"Max threads changed to 0."}, maxthreadsCmd2, 0);
        //test maxthreads -1
        int maxValue = server.getMaxThreads();
        assertEquals("Fail! Max threads value incorrect!", 0, maxValue);
    }

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    /**
     * Calling with -12 should fail.
     * @throws Exception
     */
    public void test_06_MaxThreads_Neg12() throws Exception {
        NetworkServerControl server = new NetworkServerControl(InetAddress.getLocalHost(),
                    TestConfiguration.getCurrent().getPort());
        String[] maxthreadsCmd3 = new String[]{"org.apache.derby.drda.NetworkServerControl",
                "maxthreads", "-12","-p", String.valueOf(TestConfiguration.getCurrent().getPort())};
        //test maxthreads -12
        assertExecJavaCmdAsExpected(new String[]{
                "Invalid value, -12, for maxthreads.",
                "Usage: NetworkServerControl <commands>",
                "Commands:",
                "start [-h <host>] [-p <port number>] [-noSecurityManager] [-ssl <ssl mode>]",
                "shutdown [-h <host>][-p <port number>] [-ssl <ssl mode>] [-user <username>] [-password <password>]",
                "ping [-h <host>][-p <port number>] [-ssl <ssl mode>]",
                "sysinfo [-h <host>][-p <port number>] [-ssl <ssl mode>]",
                "runtimeinfo [-h <host>][-p <port number>] [-ssl <ssl mode>]",
                "logconnections { on|off } [-h <host>][-p <port number>] [-ssl <ssl mode>]",
                "maxthreads <max>[-h <host>][-p <port number>] [-ssl <ssl mode>]",
                "timeslice <milliseconds>[-h <host>][-p <port number>] [-ssl <ssl mode>]",
                "trace { on|off } [-s <session id>][-h <host>][-p <port number>] [-ssl <ssl mode>]",
                "tracedirectory <trace directory>[-h <host>][-p <port number>] [-ssl <ssl mode>]",
        }, maxthreadsCmd3, 1);
        int maxValue = server.getMaxThreads();
        assertEquals("Fail! Max threads value incorrect!", 0, maxValue);
    }

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        int maxValue = server.getMaxThreads();
        assertEquals("Fail! Max threads value incorrect!", 0, maxValue);
    }


    public void test_07_MaxThreads_2147483647() throws Exception {
        NetworkServerControl server = new NetworkServerControl(InetAddress.getLocalHost(),TestConfiguration.getCurrent().getPort());
        String[] maxthreadsCmd4 = new String[]{"org.apache.derby.drda.NetworkServerControl",
                "maxthreads", "2147483647","-p", String.valueOf(TestConfiguration.getCurrent().getPort())};
        assertExecJavaCmdAsExpected(new String[]{"Max threads changed to 2147483647."}, maxthreadsCmd4, 0);
        int maxValue = server.getMaxThreads();
        assertEquals("Fail! Max threads value incorrect!", 2147483647, maxValue);
    }

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        int maxValue = server.getMaxThreads();
        assertEquals("Fail! Max threads value incorrect!", 2147483647, maxValue);
    }


    public void test_08_MaxThreads_9000() throws Exception {
        NetworkServerControl server = new NetworkServerControl(InetAddress.getLocalHost(),TestConfiguration.getCurrent().getPort());
        String[] maxthreadsCmd5 = new String[]{"org.apache.derby.drda.NetworkServerControl",
                "maxthreads", "9000","-p", String.valueOf(TestConfiguration.getCurrent().getPort())};
        assertExecJavaCmdAsExpected(new String[]{"Max threads changed to 9000."}, maxthreadsCmd5, 0);
        int maxValue = server.getMaxThreads();
        assertEquals("Fail! Max threads value incorrect!", 9000, maxValue);
    }

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    /**
     * Calling with 'a' causes a NFE which results in an error.
     * @throws Exception
     */
    public void test_09_MaxThreads_Invalid() throws Exception {
        NetworkServerControl server = new NetworkServerControl(InetAddress.getLocalHost(),TestConfiguration.getCurrent().getPort());
        String[] maxthreadsCmd5 = new String[]{"org.apache.derby.drda.NetworkServerControl",
                "maxthreads", "10000","-p", String.valueOf(TestConfiguration.getCurrent().getPort())};
        assertExecJavaCmdAsExpected(new String[]{"Max threads changed to 10000."}, maxthreadsCmd5, 0);
        int maxValue = server.getMaxThreads();
        assertEquals("Fail! Max threads value incorrect!", 10000, maxValue);


        String[] maxthreadsCmd6 = new String[]{"org.apache.derby.drda.NetworkServerControl",
                "maxthreads", "a"};
        assertExecJavaCmdAsExpected(new String[]{"Invalid value, a, for maxthreads.",
                "Usage: NetworkServerControl <commands>",
                "Commands:",
                "start [-h <host>] [-p <port number>] [-noSecurityManager] [-ssl <ssl mode>]",
                "shutdown [-h <host>][-p <port number>] [-ssl <ssl mode>] [-user <username>] [-password <password>]",
                "ping [-h <host>][-p <port number>] [-ssl <ssl mode>]",
                "sysinfo [-h <host>][-p <port number>] [-ssl <ssl mode>]",
                "runtimeinfo [-h <host>][-p <port number>] [-ssl <ssl mode>]",
                "logconnections { on|off } [-h <host>][-p <port number>] [-ssl <ssl mode>]",
                "maxthreads <max>[-h <host>][-p <port number>] [-ssl <ssl mode>]",
                "timeslice <milliseconds>[-h <host>][-p <port number>] [-ssl <ssl mode>]",
                "trace { on|off } [-s <session id>][-h <host>][-p <port number>] [-ssl <ssl mode>]",
                "tracedirectory <trace directory>[-h <host>][-p <port number>] [-ssl <ssl mode>]",}, maxthreadsCmd6, 1);




        maxValue = server.getMaxThreads();
        assertEquals("Fail! Max threads value incorrect!", 10000, maxValue);
    }

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        maxValue = server.getMaxThreads();
        assertEquals("Fail! Max threads value incorrect!", 10000, maxValue);
    }


    public void test_10_MaxThreadsCallable_0() throws Exception {
        NetworkServerControl server = new NetworkServerControl(InetAddress.getLocalHost(),TestConfiguration.getCurrent().getPort());
        server.setMaxThreads(0);
        int maxValue = server.getMaxThreads();
        assertEquals("Fail! Max threads value incorrect!", 0, maxValue);
    }

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        int maxValue = server.getMaxThreads();
        assertEquals("Fail! Max threads value incorrect!", 0, maxValue);
    }


    public void test_11_MaxThreadsCallable_Neg1() throws Exception {
        NetworkServerControl server = new NetworkServerControl(InetAddress.getLocalHost(),TestConfiguration.getCurrent().getPort());
        server.setMaxThreads(-1);
        int maxValue = server.getMaxThreads();
        assertEquals("Fail! Max threads value incorrect!", 0, maxValue);
    }

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    /**
     * Test should throw an exception.
     * @throws Exception
     */
    public void test_12_MaxThreadsCallable_Neg12() throws Exception {
        NetworkServerControl server = new NetworkServerControl(InetAddress.getLocalHost(),TestConfiguration.getCurrent().getPort());
        try {
            server.setMaxThreads(-2);
            fail("Should have thrown an exception with 'DRDA_InvalidValue.U:Invalid value, -2, for maxthreads.'");
        } catch (Exception e) {
            assertEquals("DRDA_InvalidValue.U:Invalid value, -2, for maxthreads.", e.getMessage());
        }
    }

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            assertEquals("DRDA_InvalidValue.U:Invalid value, -2, for maxthreads.", e.getMessage());
        }
    }


    public void test_13_MaxThreadsCallable_2147483647() throws Exception {
        NetworkServerControl server = new NetworkServerControl(InetAddress.getLocalHost(),TestConfiguration.getCurrent().getPort());
        server.setMaxThreads(2147483647);
        int maxValue = server.getMaxThreads();
        assertEquals("Fail! Max threads value incorrect!", 2147483647, maxValue);
    }

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        int maxValue = server.getMaxThreads();
        assertEquals("Fail! Max threads value incorrect!", 2147483647, maxValue);
    }


    public void test_14_MaxThreadsCallable_9000() throws Exception {
        NetworkServerControl server = new NetworkServerControl(InetAddress.getLocalHost(),TestConfiguration.getCurrent().getPort());
        server.setMaxThreads(9000);
        int maxValue = server.getMaxThreads();
        assertEquals("Fail! Max threads value incorrect!", 9000, maxValue);
    }

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