Examples with Invocation org.apache.servicecomb.core.Invocation used on opensource projects

Example 16 with Invocation

use of org.apache.servicecomb.core.Invocation in project incubator-servicecomb-java-chassis by apache.

the class TestIsolationServerListFilter method testGetFilteredListOfServersOnContinuousFailureReachesThreshold.

@Test
public void testGetFilteredListOfServersOnContinuousFailureReachesThreshold() {
    ((AbstractConfiguration) DynamicPropertyFactory.getBackingConfigurationSource()).addProperty("cse.loadbalance.isolation.continuousFailureThreshold", "3");
    Invocation invocation = Mockito.mock(Invocation.class);
    CseServer testServer = Mockito.mock(CseServer.class);
    Mockito.when(invocation.getMicroserviceName()).thenReturn("microserviceName");
    Mockito.when(testServer.getCountinuousFailureCount()).thenReturn(3);
    Mockito.when(testServer.getLastVisitTime()).thenReturn(System.currentTimeMillis());
    for (int i = 0; i < 3; ++i) {
        loadBalancerStats.incrementNumRequests(testServer);
    }
    List<Server> serverList = new ArrayList<>();
    serverList.add(testServer);
    IsolationServerListFilter.setLoadBalancerStats(loadBalancerStats);
    IsolationServerListFilter.setInvocation(invocation);
    List<Server> returnedServerList = IsolationServerListFilter.getFilteredListOfServers(serverList);
    Assert.assertEquals(0, returnedServerList.size());
}

Example 17 with Invocation

use of org.apache.servicecomb.core.Invocation in project incubator-servicecomb-java-chassis by apache.

the class TestSimpleTransactionControlFilter method testGetFilteredListOfServers.

@Test
public void testGetFilteredListOfServers() {
    Invocation invocation = Mockito.mock(Invocation.class);
    filter.setInvocation(invocation);
    List<Server> servers = new ArrayList<>();
    servers.add(server);
    List<Server> filteredServers = filter.getFilteredListOfServers(servers);
    Assert.assertEquals(1, filteredServers.size());
}

Example 18 with Invocation

use of org.apache.servicecomb.core.Invocation in project incubator-servicecomb-java-chassis by apache.

the class LoadbalanceHandler method sendWithRetry.

private void sendWithRetry(Invocation invocation, AsyncResponse asyncResp, final LoadBalancer chosenLB) throws Exception {
    long time = System.currentTimeMillis();
    // retry in loadbalance, 2.0 feature
    final int currentHandler = invocation.getHandlerIndex();
    final SyncResponseExecutor orginExecutor;
    final Executor newExecutor;
    if (invocation.getResponseExecutor() instanceof SyncResponseExecutor) {
        orginExecutor = (SyncResponseExecutor) invocation.getResponseExecutor();
        newExecutor = new Executor() {

            @Override
            public void execute(Runnable command) {
                // retry的场景，对于同步调用, 同步调用的主线程已经被挂起，无法再主线程中进行重试;
                // 重试也不能在网络线程（event-loop）中进行，未被保护的阻塞操作会导致网络线程挂起
                RETRY_POOL.submit(command);
            }
        };
        invocation.setResponseExecutor(newExecutor);
    } else {
        orginExecutor = null;
        newExecutor = null;
    }
    ExecutionListener<Invocation, Response> listener = new ExecutionListener<Invocation, Response>() {

        @Override
        public void onExecutionStart(ExecutionContext<Invocation> context) throws AbortExecutionException {
        }

        @Override
        public void onStartWithServer(ExecutionContext<Invocation> context, ExecutionInfo info) throws AbortExecutionException {
        }

        @Override
        public void onExceptionWithServer(ExecutionContext<Invocation> context, Throwable exception, ExecutionInfo info) {
            LOGGER.error("onExceptionWithServer msg {}; server {}", exception.getMessage(), context.getRequest().getEndpoint());
        }

        @Override
        public void onExecutionSuccess(ExecutionContext<Invocation> context, Response response, ExecutionInfo info) {
            if (orginExecutor != null) {
                orginExecutor.execute(() -> {
                    asyncResp.complete(response);
                });
            } else {
                asyncResp.complete(response);
            }
        }

        @Override
        public void onExecutionFailed(ExecutionContext<Invocation> context, Throwable finalException, ExecutionInfo info) {
            if (orginExecutor != null) {
                orginExecutor.execute(() -> {
                    asyncResp.consumerFail(finalException);
                });
            } else {
                asyncResp.consumerFail(finalException);
            }
        }
    };
    List<ExecutionListener<Invocation, Response>> listeners = new ArrayList<>(0);
    listeners.add(listener);
    ExecutionContext<Invocation> context = new ExecutionContext<>(invocation, null, null, null);
    LoadBalancerCommand<Response> command = LoadBalancerCommand.<Response>builder().withLoadBalancer(chosenLB).withServerLocator(invocation).withRetryHandler(ExtensionsManager.createRetryHandler(invocation.getMicroserviceName())).withListeners(listeners).withExecutionContext(context).build();
    Observable<Response> observable = command.submit(new ServerOperation<Response>() {

        public Observable<Response> call(Server s) {
            return Observable.create(f -> {
                try {
                    ((CseServer) s).setLastVisitTime(time);
                    chosenLB.getLoadBalancerStats().incrementNumRequests(s);
                    // for retry
                    invocation.setHandlerIndex(currentHandler);
                    invocation.setEndpoint(((CseServer) s).getEndpoint());
                    invocation.next(resp -> {
                        if (resp.isFailed()) {
                            LOGGER.error("service call error, msg is {}, server is {} ", ((Throwable) resp.getResult()).getMessage(), s);
                            chosenLB.getLoadBalancerStats().incrementSuccessiveConnectionFailureCount(s);
                            ((CseServer) s).incrementContinuousFailureCount();
                            f.onError(resp.getResult());
                        } else {
                            chosenLB.getLoadBalancerStats().incrementActiveRequestsCount(s);
                            ((CseServer) s).clearContinuousFailure();
                            chosenLB.getLoadBalancerStats().noteResponseTime(s, (System.currentTimeMillis() - time));
                            f.onNext(resp);
                            f.onCompleted();
                        }
                    });
                } catch (Exception e) {
                    LOGGER.error("execution error, msg is " + e.getMessage());
                    f.onError(e);
                }
            });
        }
    });
    observable.subscribe(response -> {
    }, error -> {
    }, () -> {
    });
}

Example 19 with Invocation

use of org.apache.servicecomb.core.Invocation in project incubator-servicecomb-java-chassis by apache.

the class TestCommandKey method testToHystrixCommandKey.

@Test
public void testToHystrixCommandKey() {
    Invocation invocation = Mockito.mock(Invocation.class);
    Mockito.when(invocation.getOperationMeta()).thenReturn(Mockito.mock(OperationMeta.class));
    Mockito.when(invocation.getOperationMeta().getMicroserviceQualifiedName()).thenReturn("test1");
    Assert.assertNotNull(invocation);
    HystrixCommandKey hystrixCommandGroupKey = CommandKey.toHystrixCommandKey("groupname", invocation);
    Assert.assertNotNull(hystrixCommandGroupKey);
}

Example 20 with Invocation

use of org.apache.servicecomb.core.Invocation in project incubator-servicecomb-java-chassis by apache.

the class TestCommandKey method testToHystrixCommandGroupKey.

@Test
public void testToHystrixCommandGroupKey() {
    Invocation invocation = Mockito.mock(Invocation.class);
    Mockito.when(invocation.getOperationMeta()).thenReturn(Mockito.mock(OperationMeta.class));
    Mockito.when(invocation.getOperationMeta().getMicroserviceQualifiedName()).thenReturn("test1");
    Assert.assertNotNull(invocation);
    HystrixCommandGroupKey hystrixCommandGroupKey = CommandKey.toHystrixCommandGroupKey("groupname", invocation);
    Assert.assertNotNull(hystrixCommandGroupKey);
}