private const int VIRTUAL_NODE_COUNT = NODE_COUNT * 32;//虚拟节点数
public static void Test()
{
HashAlgorithmTest test = new HashAlgorithmTest();
/** Records the times of locating node*/
Dictionary <string, int> nodeRecord = new Dictionary <string, int>();
List <string> allNodes = test.getNodes(NODE_COUNT);
KetamaNodeLocator locator = new KetamaNodeLocator(allNodes, VIRTUAL_NODE_COUNT);
List <String> allKeys = test.getAllStrings();
foreach (string key in allKeys)
{
//最终使用的节点
string node = locator.GetPrimary(key);
if (!nodeRecord.ContainsKey(node))
{
nodeRecord[node] = 1;
}
else
{
nodeRecord[node] = nodeRecord[node] + 1;
}
}
Console.WriteLine("Nodes count : " + NODE_COUNT + ", Keys count : " + EXE_TIMES + ", Normal percent : " + (float)100 / NODE_COUNT + "%");
Console.WriteLine("-------------------- boundary ----------------------");
foreach (string key in nodeRecord.Keys)
{
Console.WriteLine("Node name :" + key + " - Times : " + nodeRecord[key] + " - Percent : " + (float)nodeRecord[key] / EXE_TIMES * 100 + "%");
}
Console.ReadLine();
}
public void TestKetamaNodeHash()
{
var list = new Dictionary <string, int>();
var nodes = new List <string> {
"q0", "q1", "q2", "q3", "q4", "q5", "q6", "q7", "q8", "q9"
};
var ms = new List <string> {
"CNT_BTC", "CNT_LTC", "CNT_IFC", "CNT_NXT", "CNT_DOGE", "BTC_LTC", "BTC_IFC", "BTC_DOGE", "BTC_NXT"
};
var KetamaNode = new KetamaNodeLocator(nodes, 500);
var d = new Random();
for (int i = 0; i < 10000; i++)
{
var key = ms[d.Next(9)] + d.Next(100);
var value = KetamaNode.GetPrimary(key.ToString());
if (list.ContainsKey(value))
{
list[value] += 1;
}
else
{
list[value] = 1;
}
}
//foreach (var key in list.Keys)
//{
// var s = key + ":" + (list[key] / 10000.0D).ToString("P");
// Console.WriteLine(s);
//}
}
public static string getConnectionFromId(string id, string spliter, string connectionKeyList, string connectionList)
{
List <string> keys = new List <string>(connectionKeyList.Split(new string[] { spliter }, StringSplitOptions.RemoveEmptyEntries));
KetamaNodeLocator k = new KetamaNodeLocator(keys);
var key = k.GetPrimary(id);
List <string> conns = new List <string>(connectionList.Split(new string[] { spliter }, StringSplitOptions.RemoveEmptyEntries));
int resindex = 0;
Int32.TryParse(key, out resindex);
return(conns[resindex - 1]);
}
private static void call(List <string> nodes, Dictionary <string, List <string> > map)
{
KetamaNodeLocator locator = new KetamaNodeLocator(nodes, VIRTUAL_NODE_COUNT);
foreach (string key in map.Keys)
{
string node = locator.GetPrimary(key);
if (node != null)
{
List <string> list = map[key];
list.Add(node);
}
}
}
public string getChild(string node, string id, Watcher watcher)
{
ZooKeeper zk = createClientForCall(watcher);
var children = GetChild(ref zk, node, watcher);
List <string> childList = children?.Children;
if (childList?.Count > 0)
{
int i = childList.Count;
KetamaNodeLocator k = new KetamaNodeLocator(childList);
var key = k.GetPrimary(id);
return(GetServer(zk, $"{node}/{key}"));
}
else
{
return("");
}
}
public static void OpenRPCServer(IConfiguration configuration)
{
var hosts = configuration.GetSection("XRPCHosts").Value;
var arr = hosts.Split(";").ToList();
KetamaNodeLocator ketamaNodeLocator = new KetamaNodeLocator(arr);
var host = ketamaNodeLocator.GetPrimary(Guid.NewGuid().ToString());
XRPCServer xRPCServer = new XRPCServer();
xRPCServer.RPCOptions.LogToConsole = true;
xRPCServer.ServerOptions.DefaultListen.Host = host.Split(":")[0];
xRPCServer.ServerOptions.DefaultListen.Port = Convert.ToInt32(host.Split(":")[1]);
xRPCServer.ServerOptions.LogLevel = BeetleX.EventArgs.LogType.Debug;
var assembly = Assembly.Load("Lmf.Purchasing.Service");
xRPCServer.Register(assembly);
xRPCServer.Open();
}
/// <summary>
/// 注册XRPC服务
/// </summary>
/// <param name="services"></param>
/// <returns></returns>
public static IServiceCollection AddXRPCClient(this IServiceCollection services, IConfiguration configuration)
{
var hosts = configuration.GetSection("XRPCClient").Value;
var timeOut = configuration.GetSection("XRPCClientTimeOut").Value;
var arr = hosts.Split(";").ToList();
KetamaNodeLocator ketamaNodeLocator = new KetamaNodeLocator(arr);
var host = ketamaNodeLocator.GetPrimary(Guid.NewGuid().ToString());
var client = new XRPCClient(host.Split(":")[0], Convert.ToInt32(host.Split(":")[1]));
client.TimeOut = Convert.ToInt32(timeOut);
client.Connect();
client.NetError = (c, e) =>
{
Console.WriteLine(e.Error.Message);
};
services.AddSingleton(client);
return(services);
}
static void Main(string[] args)
{
List <string> nodes = new List <string>()
{
"192.168.128:8080",
"192.168.129:8520",
"192.168.130:9898"
};
KetamaNodeLocator ketamaNodeLocator = new KetamaNodeLocator(nodes);
for (int i = 0; i < 100; i++)
{
var h = ketamaNodeLocator.GetPrimary(Guid.NewGuid().ToString("N"));
Console.WriteLine(h);
}
RedisClient redisHelper = new RedisClient(0, "127.0.0.1:6379,allowadmin=true");
var a = redisHelper.StringGet("hello");
Console.WriteLine(a);
Console.ReadLine();
}