Examples with ClusterNode com.alibaba.csp.sentinel.node.ClusterNode used on opensource projects

Example 56 with ClusterNode

use of com.alibaba.csp.sentinel.node.ClusterNode in project Sentinel by alibaba.

the class SentinelAnnotationIntegrationTest method testBlockHandlerNotFound.

@Test(expected = UndeclaredThrowableException.class)
public void testBlockHandlerNotFound() {
    assertThat(fooService.baz("Sentinel")).isEqualTo("cheers, Sentinel");
    String resourceName = "apiBaz";
    ClusterNode cn = ClusterBuilderSlot.getClusterNode(resourceName);
    assertThat(cn).isNotNull();
    assertThat(cn.passQps()).isPositive();
    FlowRuleManager.loadRules(Collections.singletonList(new FlowRule(resourceName).setCount(0)));
    fooService.baz("Sentinel");
}

Example 57 with ClusterNode

use of com.alibaba.csp.sentinel.node.ClusterNode in project Sentinel by alibaba.

the class SentinelAnnotationIntegrationTest method testNormalBlockHandlerAndFallback.

@Test
public void testNormalBlockHandlerAndFallback() throws Exception {
    assertThat(fooService.foo(1)).isEqualTo("Hello for 1");
    String resourceName = "apiFoo";
    ClusterNode cn = ClusterBuilderSlot.getClusterNode(resourceName);
    assertThat(cn).isNotNull();
    assertThat(cn.passQps()).isPositive();
    // Test for biz exception.
    try {
        fooService.foo(5758);
        fail("should not reach here");
    } catch (Exception ex) {
        // Should not be traced.
        assertThat(cn.exceptionQps()).isZero();
    }
    try {
        fooService.foo(5763);
        fail("should not reach here");
    } catch (Exception ex) {
        assertThat(cn.exceptionQps()).isPositive();
    }
    // Test for blockHandler
    FlowRuleManager.loadRules(Collections.singletonList(new FlowRule(resourceName).setCount(0)));
    assertThat(fooService.foo(1121)).isEqualTo("Oops, 1121");
    assertThat(cn.blockQps()).isPositive();
}

Example 58 with ClusterNode

use of com.alibaba.csp.sentinel.node.ClusterNode in project Sentinel by alibaba.

the class SentinelAnnotationIntegrationTest method testDefaultFallbackWithSingleParam.

@Test
public void testDefaultFallbackWithSingleParam() {
    assertThat(fooService.anotherFoo(1)).isEqualTo("Hello for 1");
    String resourceName = "apiAnotherFooWithDefaultFallback";
    ClusterNode cn = ClusterBuilderSlot.getClusterNode(resourceName);
    assertThat(cn).isNotNull();
    assertThat(cn.passQps()).isPositive();
    // Default fallback should take effect.
    assertThat(fooService.anotherFoo(5758)).isEqualTo(FooUtil.FALLBACK_DEFAULT_RESULT);
    assertThat(cn.exceptionQps()).isPositive();
    assertThat(cn.blockQps()).isZero();
    FlowRuleManager.loadRules(Collections.singletonList(new FlowRule(resourceName).setCount(0)));
    // Default fallback should also take effect for BlockException.
    assertThat(fooService.anotherFoo(5758)).isEqualTo(FooUtil.FALLBACK_DEFAULT_RESULT);
    assertThat(cn.blockQps()).isPositive();
}

Example 59 with ClusterNode

use of com.alibaba.csp.sentinel.node.ClusterNode in project Sentinel by alibaba.

the class ClusterBuilderSlot method entry.

@Override
public void entry(Context context, ResourceWrapper resourceWrapper, DefaultNode node, int count, boolean prioritized, Object... args) throws Throwable {
    if (clusterNode == null) {
        synchronized (lock) {
            if (clusterNode == null) {
                // Create the cluster node.
                clusterNode = new ClusterNode(resourceWrapper.getName(), resourceWrapper.getResourceType());
                HashMap<ResourceWrapper, ClusterNode> newMap = new HashMap<>(Math.max(clusterNodeMap.size(), 16));
                newMap.putAll(clusterNodeMap);
                newMap.put(node.getId(), clusterNode);
                clusterNodeMap = newMap;
            }
        }
    }
    node.setClusterNode(clusterNode);
    /*
         * if context origin is set, we should get or create a new {@link Node} of
         * the specific origin.
         */
    if (!"".equals(context.getOrigin())) {
        Node originNode = node.getClusterNode().getOrCreateOriginNode(context.getOrigin());
        context.getCurEntry().setOriginNode(originNode);
    }
    fireEntry(context, resourceWrapper, node, count, prioritized, args);
}

Example 60 with ClusterNode

use of com.alibaba.csp.sentinel.node.ClusterNode in project Sentinel by alibaba.

the class SentinelDubboConsumerFilterTest method verifyInvocationStructure.

/**
 * Simply verify invocation structure in memory:
 * EntranceNode(defaultContextName)
 * --InterfaceNode(interfaceName)
 * ----MethodNode(resourceName)
 */
private void verifyInvocationStructure(Invoker invoker, Invocation invocation) {
    Context context = ContextUtil.getContext();
    assertNotNull(context);
    // As not call ContextUtil.enter(resourceName, application) in SentinelDubboConsumerFilter, use default context
    // In actual project, a consumer is usually also a provider, the context will be created by SentinelDubboProviderFilter
    // If consumer is on the top of Dubbo RPC invocation chain, use default context
    String resourceName = filter.getMethodResourceName(invoker, invocation);
    assertEquals(Constants.CONTEXT_DEFAULT_NAME, context.getName());
    assertEquals("", context.getOrigin());
    DefaultNode entranceNode = context.getEntranceNode();
    ResourceWrapper entranceResource = entranceNode.getId();
    assertEquals(Constants.CONTEXT_DEFAULT_NAME, entranceResource.getName());
    assertSame(EntryType.IN, entranceResource.getEntryType());
    // As SphU.entry(interfaceName, EntryType.OUT);
    Set<Node> childList = entranceNode.getChildList();
    assertEquals(1, childList.size());
    DefaultNode interfaceNode = (DefaultNode) childList.iterator().next();
    ResourceWrapper interfaceResource = interfaceNode.getId();
    assertEquals(DemoService.class.getName(), interfaceResource.getName());
    assertSame(EntryType.OUT, interfaceResource.getEntryType());
    // As SphU.entry(resourceName, EntryType.OUT);
    childList = interfaceNode.getChildList();
    assertEquals(1, childList.size());
    DefaultNode methodNode = (DefaultNode) childList.iterator().next();
    ResourceWrapper methodResource = methodNode.getId();
    assertEquals(resourceName, methodResource.getName());
    assertSame(EntryType.OUT, methodResource.getEntryType());
    // Verify curEntry
    Entry curEntry = context.getCurEntry();
    assertSame(methodNode, curEntry.getCurNode());
    assertSame(interfaceNode, curEntry.getLastNode());
    // As context origin is not "", no originNode should be created in curEntry
    assertNull(curEntry.getOriginNode());
    // Verify clusterNode
    ClusterNode methodClusterNode = methodNode.getClusterNode();
    ClusterNode interfaceClusterNode = interfaceNode.getClusterNode();
    // Different resource->Different ProcessorSlot->Different ClusterNode
    assertNotSame(methodClusterNode, interfaceClusterNode);
    // As context origin is "", the StatisticNode should not be created in originCountMap of ClusterNode
    Map<String, StatisticNode> methodOriginCountMap = methodClusterNode.getOriginCountMap();
    assertEquals(0, methodOriginCountMap.size());
    Map<String, StatisticNode> interfaceOriginCountMap = interfaceClusterNode.getOriginCountMap();
    assertEquals(0, interfaceOriginCountMap.size());
}