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

Example 16 with DefaultNode

use of com.alibaba.csp.sentinel.node.DefaultNode 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());
}

Example 17 with DefaultNode

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

the class SentinelDubboProviderFilterTest method verifyInvocationStructure.

/**
 * Simply verify invocation structure in memory:
 * EntranceNode(resourceName)
 * --InterfaceNode(interfaceName)
 * ----MethodNode(resourceName)
 */
private void verifyInvocationStructure(String originApplication, Invoker invoker, Invocation invocation) {
    Context context = ContextUtil.getContext();
    assertNotNull(context);
    // As ContextUtil.enter(resourceName, application) in SentinelDubboProviderFilter
    String resourceName = filter.getMethodResourceName(invoker, invocation);
    assertEquals(resourceName, context.getName());
    assertEquals(originApplication, context.getOrigin());
    DefaultNode entranceNode = context.getEntranceNode();
    ResourceWrapper entranceResource = entranceNode.getId();
    assertEquals(resourceName, entranceResource.getName());
    assertSame(EntryType.IN, entranceResource.getEntryType());
    // As SphU.entry(interfaceName, EntryType.IN);
    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.IN, interfaceResource.getEntryType());
    // As SphU.entry(resourceName, EntryType.IN, 1, invocation.getArguments());
    childList = interfaceNode.getChildList();
    assertEquals(1, childList.size());
    DefaultNode methodNode = (DefaultNode) childList.iterator().next();
    ResourceWrapper methodResource = methodNode.getId();
    assertEquals(resourceName, methodResource.getName());
    assertSame(EntryType.IN, methodResource.getEntryType());
    // Verify curEntry
    Entry curEntry = context.getCurEntry();
    assertSame(methodNode, curEntry.getCurNode());
    assertSame(interfaceNode, curEntry.getLastNode());
    // As context origin is not "", originNode should be created
    assertNotNull(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 not "", the StatisticNode should be created in originCountMap of ClusterNode
    Map<String, StatisticNode> methodOriginCountMap = methodClusterNode.getOriginCountMap();
    assertEquals(1, methodOriginCountMap.size());
    assertTrue(methodOriginCountMap.containsKey(originApplication));
    Map<String, StatisticNode> interfaceOriginCountMap = interfaceClusterNode.getOriginCountMap();
    assertEquals(1, interfaceOriginCountMap.size());
    assertTrue(interfaceOriginCountMap.containsKey(originApplication));
}

Example 18 with DefaultNode

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

the class SentinelDubboConsumerFilterTest method getNode.

private DefaultNode getNode(String resourceName, DefaultNode root) {
    Queue<DefaultNode> queue = new LinkedList<>();
    queue.offer(root);
    while (!queue.isEmpty()) {
        DefaultNode temp = queue.poll();
        if (temp.getId().getName().equals(resourceName)) {
            return temp;
        }
        for (Node node : temp.getChildList()) {
            queue.offer((DefaultNode) node);
        }
    }
    return null;
}

Example 19 with DefaultNode

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

the class SentinelDubboConsumerFilterTest method verifyInvocationStructureForAsyncCall.

private void verifyInvocationStructureForAsyncCall(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 = consumerFilter.getMethodName(invoker, invocation, null);
    assertEquals(com.alibaba.csp.sentinel.Constants.CONTEXT_DEFAULT_NAME, context.getName());
    assertEquals("", context.getOrigin());
    DefaultNode entranceNode = context.getEntranceNode();
    ResourceWrapper entranceResource = entranceNode.getId();
    assertEquals(com.alibaba.csp.sentinel.Constants.CONTEXT_DEFAULT_NAME, entranceResource.getName());
    assertSame(EntryType.IN, entranceResource.getEntryType());
    // As SphU.entry(interfaceName, EntryType.OUT);
    Set<Node> childList = entranceNode.getChildList();
    assertEquals(2, childList.size());
    DefaultNode interfaceNode = getNode(DubboUtils.getInterfaceName(invoker), entranceNode);
    ResourceWrapper interfaceResource = interfaceNode.getId();
    assertEquals(DubboUtils.getInterfaceName(invoker), interfaceResource.getName());
    assertSame(EntryType.OUT, interfaceResource.getEntryType());
    // As SphU.entry(resourceName, EntryType.OUT);
    childList = interfaceNode.getChildList();
    assertEquals(0, childList.size());
    DefaultNode methodNode = getNode(resourceName, entranceNode);
    ResourceWrapper methodResource = methodNode.getId();
    assertEquals(resourceName, methodResource.getName());
    assertSame(EntryType.OUT, methodResource.getEntryType());
    // Verify curEntry
    // nothing will bind to local context when use the AsyncEntry
    Entry curEntry = context.getCurEntry();
    assertNull(curEntry);
    // Verify clusterNode
    ClusterNode methodClusterNode = methodNode.getClusterNode();
    ClusterNode interfaceClusterNode = interfaceNode.getClusterNode();
    assertNotSame(methodClusterNode, // Different resource->Different ProcessorSlot->Different ClusterNode
    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());
}

Example 20 with DefaultNode

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

the class SystemRuleTest method testSystemRule_avgRt.

@Test
public void testSystemRule_avgRt() throws BlockException {
    SystemRule systemRule = new SystemRule();
    systemRule.setAvgRt(4L);
    Context context = mock(Context.class);
    DefaultNode node = mock(DefaultNode.class);
    ClusterNode cn = mock(ClusterNode.class);
    when(context.getOrigin()).thenReturn("");
    when(node.getClusterNode()).thenReturn(cn);
}