Examples with XdrOutputStream org.firebirdsql.gds.impl.wire.XdrOutputStream used on opensource projects

Example 1 with XdrOutputStream

use of org.firebirdsql.gds.impl.wire.XdrOutputStream in project jaybird by FirebirdSQL.

the class TestV10EventHandling method testAsynchronousDelivery_fullEvent.

@Test
public void testAsynchronousDelivery_fullEvent() throws Exception {
    final SimpleChannelListener listener = new SimpleChannelListener();
    try (SimpleServer simpleServer = new SimpleServer()) {
        final FbWireAsynchronousChannel channel = new V10AsynchronousChannel(createDummyDatabase());
        channel.addChannelListener(listener);
        Thread establishChannel = new Thread(new Runnable() {

            @Override
            public void run() {
                try {
                    channel.connect("localhost", simpleServer.getPort(), 1);
                } catch (SQLException e) {
                // suppress
                }
            }
        });
        establishChannel.start();
        simpleServer.acceptConnection();
        AsynchronousProcessor.getInstance().registerAsynchronousChannel(channel);
        establishChannel.join(500);
        assertTrue("Expected connected channel", channel.isConnected());
        final XdrOutputStream out = new XdrOutputStream(simpleServer.getOutputStream());
        out.writeInt(op_event);
        out.writeInt(513);
        out.writeBuffer(new byte[] { 1, 3, 69, 86, 84, 3, 0, 0, 0 });
        out.writeLong(0);
        out.writeInt(7);
        out.flush();
        Thread.sleep(500);
        List<AsynchronousChannelListener.Event> receivedEvents = listener.getReceivedEvents();
        assertEquals("Unexpected number of events", 1, receivedEvents.size());
        AsynchronousChannelListener.Event event = receivedEvents.get(0);
        assertEquals("Unexpected eventId", 7, event.getEventId());
        assertEquals("Unexpected event count", 3, event.getEventCount());
    }
}

Example 2 with XdrOutputStream

use of org.firebirdsql.gds.impl.wire.XdrOutputStream in project jaybird by FirebirdSQL.

the class TestV10EventHandling method testAsynchronousDelivery_largeNumberOfEvents.

@Test
public void testAsynchronousDelivery_largeNumberOfEvents() throws Exception {
    final SimpleChannelListener listener = new SimpleChannelListener();
    try (SimpleServer simpleServer = new SimpleServer()) {
        final FbWireAsynchronousChannel channel = new V10AsynchronousChannel(createDummyDatabase());
        channel.addChannelListener(listener);
        Thread establishChannel = new Thread(new Runnable() {

            @Override
            public void run() {
                try {
                    channel.connect("localhost", simpleServer.getPort(), 1);
                } catch (SQLException e) {
                // suppress
                }
            }
        });
        establishChannel.start();
        simpleServer.acceptConnection();
        AsynchronousProcessor.getInstance().registerAsynchronousChannel(channel);
        assertTrue("Expected connected channel", channel.isConnected());
        final XdrOutputStream out = new XdrOutputStream(simpleServer.getOutputStream());
        // Write a large number of events
        final int testEventCount = 1024;
        for (int count = 1; count <= testEventCount; count++) {
            out.writeInt(op_event);
            out.writeInt(513);
            out.writeBuffer(new byte[] { 1, 5, 69, 86, 69, 78, 84, (byte) count, (byte) (count >> 8), (byte) (count >> 16), (byte) (count >> 24) });
            out.writeLong(0);
            out.writeInt(7);
        }
        out.flush();
        // Need to sleep for thread to process all events, might still fail on slower computers
        Thread.sleep(500);
        List<AsynchronousChannelListener.Event> receivedEvents = listener.getReceivedEvents();
        assertEquals("Unexpected number of events", testEventCount, receivedEvents.size());
        AsynchronousChannelListener.Event event = receivedEvents.get(0);
        assertEquals("Unexpected eventId", 7, event.getEventId());
        assertEquals("Unexpected event count", 1, event.getEventCount());
        AsynchronousChannelListener.Event lastEvent = receivedEvents.get(testEventCount - 1);
        assertEquals("Unexpected eventId", 7, lastEvent.getEventId());
        assertEquals("Unexpected event count", testEventCount, lastEvent.getEventCount());
    }
}

Example 3 with XdrOutputStream

use of org.firebirdsql.gds.impl.wire.XdrOutputStream in project jaybird by FirebirdSQL.

the class V10Database method reconnectTransaction.

@Override
public final FbTransaction reconnectTransaction(long transactionId) throws SQLException {
    try {
        checkAttached();
        synchronized (getSynchronizationObject()) {
            try {
                final XdrOutputStream xdrOut = getXdrOut();
                xdrOut.writeInt(op_reconnect);
                xdrOut.writeInt(getHandle());
                final byte[] transactionIdBuffer = getTransactionIdBuffer(transactionId);
                xdrOut.writeBuffer(transactionIdBuffer);
                xdrOut.flush();
            } catch (IOException ioex) {
                throw new FbExceptionBuilder().exception(ISCConstants.isc_net_write_err).cause(ioex).toSQLException();
            }
            try {
                final GenericResponse response = readGenericResponse(null);
                final FbWireTransaction transaction = protocolDescriptor.createTransaction(this, response.getObjectHandle(), TransactionState.PREPARED);
                transactionAdded(transaction);
                return transaction;
            } catch (IOException ioex) {
                throw new FbExceptionBuilder().exception(ISCConstants.isc_net_read_err).cause(ioex).toSQLException();
            }
        }
    } catch (SQLException ex) {
        exceptionListenerDispatcher.errorOccurred(ex);
        throw ex;
    }
}

Example 4 with XdrOutputStream

use of org.firebirdsql.gds.impl.wire.XdrOutputStream in project jaybird by FirebirdSQL.

the class V10Database method initAsynchronousChannel.

@Override
public final FbWireAsynchronousChannel initAsynchronousChannel() throws SQLException {
    checkAttached();
    final int auxHandle;
    final int port;
    synchronized (getSynchronizationObject()) {
        try {
            final XdrOutputStream xdrOut = getXdrOut();
            xdrOut.writeInt(op_connect_request);
            // Connection type (p_req_type)
            xdrOut.writeInt(P_REQ_async);
            // p_req_object
            xdrOut.writeInt(getHandle());
            // p_req_partner
            xdrOut.writeInt(0);
            xdrOut.flush();
        } catch (IOException ex) {
            throw new FbExceptionBuilder().exception(ISCConstants.isc_net_write_err).cause(ex).toSQLException();
        }
        try {
            final GenericResponse response = readGenericResponse(null);
            auxHandle = response.getObjectHandle();
            final byte[] data = response.getData();
            // bytes 0 - 1: sin family (ignore)
            // bytes 2 - 3: sin port (port to connect to)
            port = ((data[2] & 0xFF) << 8) + (data[3] & 0xFF);
        // remaining bytes: IP address + other info(?) (ignore, can't be trusted, and invalid in FB3 and higher; always use original hostname)
        } catch (IOException ex) {
            throw new FbExceptionBuilder().exception(ISCConstants.isc_net_read_err).cause(ex).toSQLException();
        }
    }
    final FbWireAsynchronousChannel channel = protocolDescriptor.createAsynchronousChannel(this);
    channel.connect(connection.getServerName(), port, auxHandle);
    return channel;
}

Example 5 with XdrOutputStream

use of org.firebirdsql.gds.impl.wire.XdrOutputStream in project jaybird by FirebirdSQL.

the class V10Database method doReleaseObjectPacket.

/**
 * Sends - without flushing - the (release) operation and objectId.
 *
 * @param operation
 *         Operation
 * @param objectId
 *         Id of the object to release
 * @throws IOException
 *         For errors writing to the connection
 * @throws SQLException
 *         If the database connection is not available
 */
protected final void doReleaseObjectPacket(int operation, int objectId) throws IOException, SQLException {
    final XdrOutputStream xdrOut = getXdrOut();
    xdrOut.writeInt(operation);
    xdrOut.writeInt(objectId);
}