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

Example 26 with DriverChannel

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

the class ControlConnectionTest method should_reconnect_if_channel_goes_down.

@Test
public void should_reconnect_if_channel_goes_down() throws Exception {
    // Given
    when(reconnectionSchedule.nextDelay()).thenReturn(Duration.ofNanos(1));
    DriverChannel channel1 = newMockDriverChannel(1);
    DriverChannel channel2 = newMockDriverChannel(2);
    MockChannelFactoryHelper factoryHelper = MockChannelFactoryHelper.builder(channelFactory).success(node1, channel1).failure(node1, "mock failure").success(node2, channel2).build();
    CompletionStage<Void> initFuture = controlConnection.init(false, false, false);
    factoryHelper.waitForCall(node1);
    assertThatStage(initFuture).isSuccess(v -> assertThat(controlConnection.channel()).isEqualTo(channel1));
    verify(eventBus, VERIFY_TIMEOUT).fire(ChannelEvent.channelOpened(node1));
    // When
    channel1.close();
    // Then
    // a reconnection was started
    verify(reconnectionSchedule, VERIFY_TIMEOUT).nextDelay();
    factoryHelper.waitForCall(node1);
    factoryHelper.waitForCall(node2);
    await().untilAsserted(() -> assertThat(controlConnection.channel()).isEqualTo(channel2));
    verify(eventBus, VERIFY_TIMEOUT).fire(ChannelEvent.channelClosed(node1));
    verify(eventBus, VERIFY_TIMEOUT).fire(ChannelEvent.channelOpened(node2));
    verify(metadataManager, VERIFY_TIMEOUT).refreshNodes();
    verify(loadBalancingPolicyWrapper, VERIFY_TIMEOUT).init();
    factoryHelper.verifyNoMoreCalls();
}

Example 27 with DriverChannel

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

the class ControlConnectionTest method should_close_channel_if_closed_during_reconnection.

@Test
public void should_close_channel_if_closed_during_reconnection() {
    // Given
    when(reconnectionSchedule.nextDelay()).thenReturn(Duration.ofNanos(1));
    DriverChannel channel1 = newMockDriverChannel(1);
    DriverChannel channel2 = newMockDriverChannel(2);
    CompletableFuture<DriverChannel> channel2Future = new CompletableFuture<>();
    MockChannelFactoryHelper factoryHelper = MockChannelFactoryHelper.builder(channelFactory).success(node1, channel1).failure(node1, "mock failure").pending(node2, channel2Future).build();
    CompletionStage<Void> initFuture = controlConnection.init(false, false, false);
    factoryHelper.waitForCall(node1);
    assertThatStage(initFuture).isSuccess(v -> assertThat(controlConnection.channel()).isEqualTo(channel1));
    verify(eventBus, VERIFY_TIMEOUT).fire(ChannelEvent.channelOpened(node1));
    // the channel fails and a reconnection is scheduled
    channel1.close();
    verify(eventBus, VERIFY_TIMEOUT).fire(ChannelEvent.channelClosed(node1));
    verify(reconnectionSchedule, VERIFY_TIMEOUT).nextDelay();
    factoryHelper.waitForCall(node1);
    // channel2 starts initializing (but the future is not completed yet)
    factoryHelper.waitForCall(node2);
    // When
    // the control connection gets closed before channel2 initialization is complete
    CompletionStage<Void> closeFuture = controlConnection.forceCloseAsync();
    assertThatStage(closeFuture).isSuccess();
    channel2Future.complete(channel2);
    // Then
    verify(channel2, VERIFY_TIMEOUT).forceClose();
    // no event because the control connection never "owned" the channel
    verify(eventBus, never()).fire(ChannelEvent.channelOpened(node2));
    verify(eventBus, never()).fire(ChannelEvent.channelClosed(node2));
    factoryHelper.verifyNoMoreCalls();
}

Example 28 with DriverChannel

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

the class ControlConnectionTest method should_force_reconnection_if_pending.

@Test
public void should_force_reconnection_if_pending() {
    // Given
    when(reconnectionSchedule.nextDelay()).thenReturn(Duration.ofDays(1));
    DriverChannel channel1 = newMockDriverChannel(1);
    DriverChannel channel2 = newMockDriverChannel(2);
    MockChannelFactoryHelper factoryHelper = MockChannelFactoryHelper.builder(channelFactory).success(node1, channel1).failure(node1, "mock failure").success(node2, channel2).build();
    CompletionStage<Void> initFuture = controlConnection.init(false, false, false);
    factoryHelper.waitForCall(node1);
    assertThatStage(initFuture).isSuccess(v -> assertThat(controlConnection.channel()).isEqualTo(channel1));
    verify(eventBus, VERIFY_TIMEOUT).fire(ChannelEvent.channelOpened(node1));
    // the channel fails and a reconnection is scheduled for later
    channel1.close();
    verify(eventBus, VERIFY_TIMEOUT).fire(ChannelEvent.channelClosed(node1));
    verify(reconnectionSchedule, VERIFY_TIMEOUT).nextDelay();
    // When
    controlConnection.reconnectNow();
    factoryHelper.waitForCall(node1);
    factoryHelper.waitForCall(node2);
    // Then
    await().untilAsserted(() -> assertThat(controlConnection.channel()).isEqualTo(channel2));
    verify(eventBus, VERIFY_TIMEOUT).fire(ChannelEvent.channelOpened(node2));
    factoryHelper.verifyNoMoreCalls();
}

Example 29 with DriverChannel

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

the class ControlConnectionTest method should_always_return_same_init_future.

@Test
public void should_always_return_same_init_future() {
    // Given
    DriverChannel channel1 = newMockDriverChannel(1);
    MockChannelFactoryHelper factoryHelper = MockChannelFactoryHelper.builder(channelFactory).success(node1, channel1).build();
    // When
    CompletionStage<Void> initFuture1 = controlConnection.init(false, false, false);
    factoryHelper.waitForCall(node1);
    CompletionStage<Void> initFuture2 = controlConnection.init(false, false, false);
    // Then
    assertThatStage(initFuture1).isEqualTo(initFuture2);
    factoryHelper.verifyNoMoreCalls();
}

Example 30 with DriverChannel

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

the class ControlConnectionTest method should_reconnect_if_event.

private void should_reconnect_if_event(NodeStateEvent event) {
    // Given
    when(reconnectionSchedule.nextDelay()).thenReturn(Duration.ofNanos(1));
    DriverChannel channel1 = newMockDriverChannel(1);
    DriverChannel channel2 = newMockDriverChannel(2);
    MockChannelFactoryHelper factoryHelper = MockChannelFactoryHelper.builder(channelFactory).success(node1, channel1).success(node2, channel2).build();
    CompletionStage<Void> initFuture = controlConnection.init(false, false, false);
    factoryHelper.waitForCall(node1);
    assertThatStage(initFuture).isSuccess(v -> assertThat(controlConnection.channel()).isEqualTo(channel1));
    verify(eventBus, VERIFY_TIMEOUT).fire(ChannelEvent.channelOpened(node1));
    // When
    mockQueryPlan(node2);
    eventBus.fire(event);
    // Then
    // an immediate reconnection was started
    factoryHelper.waitForCall(node2);
    await().untilAsserted(() -> assertThat(controlConnection.channel()).isEqualTo(channel2));
    verify(reconnectionSchedule, never()).nextDelay();
    verify(eventBus, VERIFY_TIMEOUT).fire(ChannelEvent.channelClosed(node1));
    verify(eventBus, VERIFY_TIMEOUT).fire(ChannelEvent.channelOpened(node2));
    verify(metadataManager, VERIFY_TIMEOUT).refreshNodes();
    verify(loadBalancingPolicyWrapper, VERIFY_TIMEOUT).init();
    factoryHelper.verifyNoMoreCalls();
}