Examples with DriverChannel com.datastax.oss.driver.internal.core.channel.DriverChannel used on opensource projects

Example 31 with DriverChannel

use of com.datastax.oss.driver.internal.core.channel.DriverChannel in project java-driver by datastax.

the class ChannelPoolResizeTest method should_resize_outside_of_reconnection_if_config_changes.

@Test
public void should_resize_outside_of_reconnection_if_config_changes() throws Exception {
    when(reconnectionSchedule.nextDelay()).thenReturn(Duration.ofNanos(1));
    when(defaultProfile.getInt(DefaultDriverOption.CONNECTION_POOL_LOCAL_SIZE)).thenReturn(2);
    DriverChannel channel1 = newMockDriverChannel(1);
    DriverChannel channel2 = newMockDriverChannel(2);
    DriverChannel channel3 = newMockDriverChannel(3);
    DriverChannel channel4 = newMockDriverChannel(4);
    MockChannelFactoryHelper factoryHelper = MockChannelFactoryHelper.builder(channelFactory).success(node, channel1).success(node, channel2).success(node, channel3).success(node, channel4).build();
    InOrder inOrder = inOrder(eventBus);
    CompletionStage<ChannelPool> poolFuture = ChannelPool.init(node, null, NodeDistance.LOCAL, context, "test");
    factoryHelper.waitForCalls(node, 2);
    inOrder.verify(eventBus, VERIFY_TIMEOUT.times(2)).fire(ChannelEvent.channelOpened(node));
    assertThatStage(poolFuture).isSuccess();
    ChannelPool pool = poolFuture.toCompletableFuture().get();
    assertThat(pool.channels).containsOnly(channel1, channel2);
    // Simulate a configuration change
    when(defaultProfile.getInt(DefaultDriverOption.CONNECTION_POOL_LOCAL_SIZE)).thenReturn(4);
    eventBus.fire(ConfigChangeEvent.INSTANCE);
    // It should have triggered a reconnection
    verify(reconnectionSchedule, VERIFY_TIMEOUT).nextDelay();
    inOrder.verify(eventBus, VERIFY_TIMEOUT).fire(ChannelEvent.reconnectionStarted(node));
    factoryHelper.waitForCalls(node, 2);
    inOrder.verify(eventBus, VERIFY_TIMEOUT.times(2)).fire(ChannelEvent.channelOpened(node));
    inOrder.verify(eventBus, VERIFY_TIMEOUT).fire(ChannelEvent.reconnectionStopped(node));
    await().untilAsserted(() -> assertThat(pool.channels).containsOnly(channel1, channel2, channel3, channel4));
    factoryHelper.verifyNoMoreCalls();
}

Example 32 with DriverChannel

use of com.datastax.oss.driver.internal.core.channel.DriverChannel in project java-driver by datastax.

the class ChannelPoolShutdownTest method should_close_all_channels_when_closed.

@Test
public void should_close_all_channels_when_closed() throws Exception {
    when(reconnectionSchedule.nextDelay()).thenReturn(Duration.ofNanos(1));
    when(defaultProfile.getInt(DefaultDriverOption.CONNECTION_POOL_LOCAL_SIZE)).thenReturn(3);
    DriverChannel channel1 = newMockDriverChannel(1);
    DriverChannel channel2 = newMockDriverChannel(2);
    DriverChannel channel3 = newMockDriverChannel(3);
    DriverChannel channel4 = newMockDriverChannel(4);
    CompletableFuture<DriverChannel> channel4Future = new CompletableFuture<>();
    MockChannelFactoryHelper factoryHelper = MockChannelFactoryHelper.builder(channelFactory).success(node, channel1).success(node, channel2).success(node, channel3).pending(node, channel4Future).build();
    InOrder inOrder = inOrder(eventBus);
    CompletionStage<ChannelPool> poolFuture = ChannelPool.init(node, null, NodeDistance.LOCAL, context, "test");
    factoryHelper.waitForCalls(node, 3);
    inOrder.verify(eventBus, VERIFY_TIMEOUT.times(3)).fire(ChannelEvent.channelOpened(node));
    assertThatStage(poolFuture).isSuccess();
    ChannelPool pool = poolFuture.toCompletableFuture().get();
    // Simulate graceful shutdown on channel3
    ((ChannelPromise) channel3.closeStartedFuture()).setSuccess();
    inOrder.verify(eventBus, VERIFY_TIMEOUT.times(1)).fire(ChannelEvent.channelClosed(node));
    // Reconnection should have kicked in and started to open channel4, do not complete it yet
    verify(reconnectionSchedule, VERIFY_TIMEOUT).nextDelay();
    factoryHelper.waitForCalls(node, 1);
    CompletionStage<Void> closeFuture = pool.closeAsync();
    // The two original channels were closed normally
    verify(channel1, VERIFY_TIMEOUT).close();
    verify(channel2, VERIFY_TIMEOUT).close();
    inOrder.verify(eventBus, VERIFY_TIMEOUT.times(2)).fire(ChannelEvent.channelClosed(node));
    // The closing channel was not closed again
    verify(channel3, never()).close();
    // Complete the reconnecting channel
    channel4Future.complete(channel4);
    // It should be force-closed once we find out the pool was closed
    verify(channel4, VERIFY_TIMEOUT).forceClose();
    // No events because the channel was never really associated to the pool
    inOrder.verify(eventBus, never()).fire(ChannelEvent.channelOpened(node));
    inOrder.verify(eventBus, never()).fire(ChannelEvent.channelClosed(node));
    // We don't wait for reconnected channels to close, so the pool only depends on channel 1 to 3
    ((ChannelPromise) channel1.closeFuture()).setSuccess();
    ((ChannelPromise) channel2.closeFuture()).setSuccess();
    ((ChannelPromise) channel3.closeFuture()).setSuccess();
    assertThatStage(closeFuture).isSuccess();
    factoryHelper.verifyNoMoreCalls();
}

Example 33 with DriverChannel

use of com.datastax.oss.driver.internal.core.channel.DriverChannel in project java-driver by datastax.

the class ChannelPoolShutdownTest method should_force_close_all_channels_when_force_closed.

@Test
public void should_force_close_all_channels_when_force_closed() throws Exception {
    when(reconnectionSchedule.nextDelay()).thenReturn(Duration.ofNanos(1));
    when(defaultProfile.getInt(DefaultDriverOption.CONNECTION_POOL_LOCAL_SIZE)).thenReturn(3);
    DriverChannel channel1 = newMockDriverChannel(1);
    DriverChannel channel2 = newMockDriverChannel(2);
    DriverChannel channel3 = newMockDriverChannel(3);
    DriverChannel channel4 = newMockDriverChannel(4);
    CompletableFuture<DriverChannel> channel4Future = new CompletableFuture<>();
    MockChannelFactoryHelper factoryHelper = MockChannelFactoryHelper.builder(channelFactory).success(node, channel1).success(node, channel2).success(node, channel3).pending(node, channel4Future).build();
    InOrder inOrder = inOrder(eventBus);
    CompletionStage<ChannelPool> poolFuture = ChannelPool.init(node, null, NodeDistance.LOCAL, context, "test");
    factoryHelper.waitForCalls(node, 3);
    assertThatStage(poolFuture).isSuccess();
    ChannelPool pool = poolFuture.toCompletableFuture().get();
    inOrder.verify(eventBus, VERIFY_TIMEOUT.times(3)).fire(ChannelEvent.channelOpened(node));
    // Simulate graceful shutdown on channel3
    ((ChannelPromise) channel3.closeStartedFuture()).setSuccess();
    inOrder.verify(eventBus, VERIFY_TIMEOUT.times(1)).fire(ChannelEvent.channelClosed(node));
    // Reconnection should have kicked in and started to open a channel, do not complete it yet
    verify(reconnectionSchedule, VERIFY_TIMEOUT).nextDelay();
    factoryHelper.waitForCalls(node, 1);
    CompletionStage<Void> closeFuture = pool.forceCloseAsync();
    // The three original channels were force-closed
    verify(channel1, VERIFY_TIMEOUT).forceClose();
    verify(channel2, VERIFY_TIMEOUT).forceClose();
    verify(channel3, VERIFY_TIMEOUT).forceClose();
    // Only two events because the one for channel3 was sent earlier
    inOrder.verify(eventBus, VERIFY_TIMEOUT.times(2)).fire(ChannelEvent.channelClosed(node));
    // Complete the reconnecting channel
    channel4Future.complete(channel4);
    // It should be force-closed once we find out the pool was closed
    verify(channel4, VERIFY_TIMEOUT).forceClose();
    // No events because the channel was never really associated to the pool
    inOrder.verify(eventBus, never()).fire(ChannelEvent.channelOpened(node));
    inOrder.verify(eventBus, never()).fire(ChannelEvent.channelClosed(node));
    // We don't wait for reconnected channels to close, so the pool only depends on channel 1-3
    ((ChannelPromise) channel1.closeFuture()).setSuccess();
    ((ChannelPromise) channel2.closeFuture()).setSuccess();
    ((ChannelPromise) channel3.closeFuture()).setSuccess();
    assertThatStage(closeFuture).isSuccess();
    factoryHelper.verifyNoMoreCalls();
}

Example 34 with DriverChannel

use of com.datastax.oss.driver.internal.core.channel.DriverChannel in project java-driver by datastax.

the class ChannelPoolTestBase method newMockDriverChannel.

DriverChannel newMockDriverChannel(int id) {
    DriverChannel driverChannel = mock(DriverChannel.class);
    EventLoop adminExecutor = adminEventLoopGroup.next();
    Channel channel = mock(Channel.class);
    DefaultChannelPromise closeFuture = new DefaultChannelPromise(channel, adminExecutor);
    DefaultChannelPromise closeStartedFuture = new DefaultChannelPromise(channel, adminExecutor);
    when(driverChannel.close()).thenReturn(closeFuture);
    when(driverChannel.forceClose()).thenReturn(closeFuture);
    when(driverChannel.closeFuture()).thenReturn(closeFuture);
    when(driverChannel.closeStartedFuture()).thenReturn(closeStartedFuture);
    when(driverChannel.setKeyspace(any(CqlIdentifier.class))).thenReturn(adminExecutor.newSucceededFuture(null));
    when(driverChannel.toString()).thenReturn("channel" + id);
    return driverChannel;
}

Example 35 with DriverChannel

use of com.datastax.oss.driver.internal.core.channel.DriverChannel in project java-driver by datastax.

the class ChannelPoolInitTest method should_reconnect_when_init_incomplete.

@Test
public void should_reconnect_when_init_incomplete() throws Exception {
    // Short delay so we don't have to wait in the test
    when(reconnectionSchedule.nextDelay()).thenReturn(Duration.ofNanos(1));
    when(defaultProfile.getInt(DefaultDriverOption.CONNECTION_POOL_LOCAL_SIZE)).thenReturn(2);
    DriverChannel channel1 = newMockDriverChannel(1);
    DriverChannel channel2 = newMockDriverChannel(2);
    CompletableFuture<DriverChannel> channel2Future = new CompletableFuture<>();
    MockChannelFactoryHelper factoryHelper = MockChannelFactoryHelper.builder(channelFactory).failure(node, "mock channel init failure").success(node, channel1).pending(node, channel2Future).build();
    InOrder inOrder = inOrder(eventBus);
    CompletionStage<ChannelPool> poolFuture = ChannelPool.init(node, null, NodeDistance.LOCAL, context, "test");
    factoryHelper.waitForCalls(node, 2);
    assertThatStage(poolFuture).isSuccess();
    ChannelPool pool = poolFuture.toCompletableFuture().get();
    assertThat(pool.channels).containsOnly(channel1);
    inOrder.verify(eventBus, VERIFY_TIMEOUT).fire(ChannelEvent.channelOpened(node));
    // A reconnection should have been scheduled
    verify(reconnectionSchedule, VERIFY_TIMEOUT).nextDelay();
    inOrder.verify(eventBus, VERIFY_TIMEOUT).fire(ChannelEvent.reconnectionStarted(node));
    channel2Future.complete(channel2);
    factoryHelper.waitForCalls(node, 1);
    inOrder.verify(eventBus, VERIFY_TIMEOUT).fire(ChannelEvent.channelOpened(node));
    inOrder.verify(eventBus, VERIFY_TIMEOUT).fire(ChannelEvent.reconnectionStopped(node));
    await().untilAsserted(() -> assertThat(pool.channels).containsOnly(channel1, channel2));
    verify(nodeMetricUpdater, VERIFY_TIMEOUT).incrementCounter(DefaultNodeMetric.CONNECTION_INIT_ERRORS, null);
    factoryHelper.verifyNoMoreCalls();
}