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Golang KeyRequest.MinQueryIndex方法代碼示例

本文整理匯總了Golang中github.com/hashicorp/consul/consul/structs.KeyRequest.MinQueryIndex方法的典型用法代碼示例。如果您正苦於以下問題:Golang KeyRequest.MinQueryIndex方法的具體用法?Golang KeyRequest.MinQueryIndex怎麽用?Golang KeyRequest.MinQueryIndex使用的例子?那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在github.com/hashicorp/consul/consul/structs.KeyRequest的用法示例。


在下文中一共展示了KeyRequest.MinQueryIndex方法的1個代碼示例,這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚,您的評價將有助於係統推薦出更棒的Golang代碼示例。

示例1: TestKVSEndpoint_List_Blocking

func TestKVSEndpoint_List_Blocking(t *testing.T) {
	dir1, s1 := testServer(t)
	defer os.RemoveAll(dir1)
	defer s1.Shutdown()
	codec := rpcClient(t, s1)
	defer codec.Close()

	testutil.WaitForLeader(t, s1.RPC, "dc1")

	keys := []string{
		"/test/key1",
		"/test/key2",
		"/test/sub/key3",
	}

	for _, key := range keys {
		arg := structs.KVSRequest{
			Datacenter: "dc1",
			Op:         structs.KVSSet,
			DirEnt: structs.DirEntry{
				Key:   key,
				Flags: 1,
			},
		}
		var out bool
		if err := msgpackrpc.CallWithCodec(codec, "KVS.Apply", &arg, &out); err != nil {
			t.Fatalf("err: %v", err)
		}
	}

	getR := structs.KeyRequest{
		Datacenter: "dc1",
		Key:        "/test",
	}
	var dirent structs.IndexedDirEntries
	if err := msgpackrpc.CallWithCodec(codec, "KVS.List", &getR, &dirent); err != nil {
		t.Fatalf("err: %v", err)
	}

	// Setup a blocking query
	getR.MinQueryIndex = dirent.Index
	getR.MaxQueryTime = time.Second

	// Async cause a change
	start := time.Now()
	go func() {
		time.Sleep(100 * time.Millisecond)
		codec := rpcClient(t, s1)
		defer codec.Close()
		arg := structs.KVSRequest{
			Datacenter: "dc1",
			Op:         structs.KVSDelete,
			DirEnt: structs.DirEntry{
				Key: "/test/sub/key3",
			},
		}
		var out bool
		if err := msgpackrpc.CallWithCodec(codec, "KVS.Apply", &arg, &out); err != nil {
			t.Fatalf("err: %v", err)
		}
	}()

	// Re-run the query
	dirent = structs.IndexedDirEntries{}
	if err := msgpackrpc.CallWithCodec(codec, "KVS.List", &getR, &dirent); err != nil {
		t.Fatalf("err: %v", err)
	}

	// Should block at least 100ms
	if time.Now().Sub(start) < 100*time.Millisecond {
		t.Fatalf("too fast")
	}

	if dirent.Index == 0 {
		t.Fatalf("Bad: %v", dirent)
	}
	if len(dirent.Entries) != 2 {
		for _, ent := range dirent.Entries {
			t.Errorf("Bad: %#v", *ent)
		}
	}
	for i := 0; i < len(dirent.Entries); i++ {
		d := dirent.Entries[i]
		if d.Key != keys[i] {
			t.Fatalf("bad: %v", d)
		}
		if d.Flags != 1 {
			t.Fatalf("bad: %v", d)
		}
		if d.Value != nil {
			t.Fatalf("bad: %v", d)
		}
	}
}
開發者ID:wangyanskin,項目名稱:consul,代碼行數:94,代碼來源:kvs_endpoint_test.go


注:本文中的github.com/hashicorp/consul/consul/structs.KeyRequest.MinQueryIndex方法示例由純淨天空整理自Github/MSDocs等開源代碼及文檔管理平台,相關代碼片段篩選自各路編程大神貢獻的開源項目,源碼版權歸原作者所有,傳播和使用請參考對應項目的License;未經允許,請勿轉載。