Java Code Examples for io.grpc.LoadBalancer.Helper#updateOobChannelAddresses()

The following examples show how to use io.grpc.LoadBalancer.Helper#updateOobChannelAddresses() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: ManagedChannelImplIdlenessTest.java    From grpc-nebula-java with Apache License 2.0 6 votes vote down vote up
@Test
public void updateOobChannelAddresses_newAddressConnects() {
  ClientCall<String, Integer> call = channel.newCall(method, CallOptions.DEFAULT);
  call.start(mockCallListener, new Metadata()); // Create LB
  ArgumentCaptor<Helper> helperCaptor = ArgumentCaptor.forClass(null);
  verify(mockLoadBalancerFactory).newLoadBalancer(helperCaptor.capture());
  Helper helper = helperCaptor.getValue();
  ManagedChannel oobChannel = helper.createOobChannel(servers.get(0), "localhost");

  oobChannel.newCall(method, CallOptions.DEFAULT).start(mockCallListener, new Metadata());
  MockClientTransportInfo t0 = newTransports.poll();
  t0.listener.transportReady();

  helper.updateOobChannelAddresses(oobChannel, servers.get(1));

  oobChannel.newCall(method, CallOptions.DEFAULT).start(mockCallListener, new Metadata());
  MockClientTransportInfo t1 = newTransports.poll();
  t1.listener.transportReady();
}
 
Example 2
Source File: ManagedChannelImplIdlenessTest.java    From grpc-nebula-java with Apache License 2.0 6 votes vote down vote up
@Test
public void updateOobChannelAddresses_existingAddressDoesNotConnect() {
  ClientCall<String, Integer> call = channel.newCall(method, CallOptions.DEFAULT);
  call.start(mockCallListener, new Metadata()); // Create LB
  ArgumentCaptor<Helper> helperCaptor = ArgumentCaptor.forClass(null);
  verify(mockLoadBalancerFactory).newLoadBalancer(helperCaptor.capture());
  Helper helper = helperCaptor.getValue();
  ManagedChannel oobChannel = helper.createOobChannel(servers.get(0), "localhost");

  oobChannel.newCall(method, CallOptions.DEFAULT).start(mockCallListener, new Metadata());
  MockClientTransportInfo t0 = newTransports.poll();
  t0.listener.transportReady();

  List<SocketAddress> changedList = new ArrayList<>(servers.get(0).getAddresses());
  changedList.add(new FakeSocketAddress("aDifferentServer"));
  helper.updateOobChannelAddresses(oobChannel, new EquivalentAddressGroup(changedList));

  oobChannel.newCall(method, CallOptions.DEFAULT).start(mockCallListener, new Metadata());
  assertNull(newTransports.poll());
}
 
Example 3
Source File: ManagedChannelImplIdlenessTest.java    From grpc-java with Apache License 2.0 6 votes vote down vote up
@Test
public void updateOobChannelAddresses_newAddressConnects() {
  ClientCall<String, Integer> call = channel.newCall(method, CallOptions.DEFAULT);
  call.start(mockCallListener, new Metadata()); // Create LB
  ArgumentCaptor<Helper> helperCaptor = ArgumentCaptor.forClass(null);
  verify(mockLoadBalancerProvider).newLoadBalancer(helperCaptor.capture());
  Helper helper = helperCaptor.getValue();
  ManagedChannel oobChannel = helper.createOobChannel(servers.get(0), "localhost");

  oobChannel.newCall(method, CallOptions.DEFAULT).start(mockCallListener, new Metadata());
  MockClientTransportInfo t0 = newTransports.poll();
  t0.listener.transportReady();

  helper.updateOobChannelAddresses(oobChannel, servers.get(1));

  oobChannel.newCall(method, CallOptions.DEFAULT).start(mockCallListener, new Metadata());
  MockClientTransportInfo t1 = newTransports.poll();
  t1.listener.transportReady();

  // Drain InternalSubchannel's delayed shutdown on updateAddresses
  timer.forwardTime(ManagedChannelImpl.SUBCHANNEL_SHUTDOWN_DELAY_SECONDS, TimeUnit.SECONDS);
}
 
Example 4
Source File: ManagedChannelImplIdlenessTest.java    From grpc-java with Apache License 2.0 6 votes vote down vote up
@Test
public void updateOobChannelAddresses_existingAddressDoesNotConnect() {
  ClientCall<String, Integer> call = channel.newCall(method, CallOptions.DEFAULT);
  call.start(mockCallListener, new Metadata()); // Create LB
  ArgumentCaptor<Helper> helperCaptor = ArgumentCaptor.forClass(null);
  verify(mockLoadBalancerProvider).newLoadBalancer(helperCaptor.capture());
  Helper helper = helperCaptor.getValue();
  ManagedChannel oobChannel = helper.createOobChannel(servers.get(0), "localhost");

  oobChannel.newCall(method, CallOptions.DEFAULT).start(mockCallListener, new Metadata());
  MockClientTransportInfo t0 = newTransports.poll();
  t0.listener.transportReady();

  List<SocketAddress> changedList = new ArrayList<>(servers.get(0).getAddresses());
  changedList.add(new FakeSocketAddress("aDifferentServer"));
  helper.updateOobChannelAddresses(oobChannel, new EquivalentAddressGroup(changedList));

  oobChannel.newCall(method, CallOptions.DEFAULT).start(mockCallListener, new Metadata());
  assertNull(newTransports.poll());
}