static void Main(string[] args)
{
var client = new org.apache.zookeeper.ZooKeeper(
"10.217.9.184:2181,10.217.6.124:2181,10.217.6.140:2181,10.217.6.222:2181,10.217.9.47:2181",
5000,
null);
Thread.Sleep(1000);
var path = "/LinuxMustDie";
var data = "LINUX IS ALIVE!!";
var createResult = client.createAsync(path, new byte[0], ZooDefs.Ids.OPEN_ACL_UNSAFE, CreateMode.PERSISTENT);
Console.WriteLine($"Create result = {createResult}");
var setDataResult = client.setDataAsync(path, Encoding.UTF8.GetBytes(data)).GetAwaiter().GetResult();
Console.WriteLine($"SetData result version = {setDataResult.getVersion()}");
var getDataResult = client.getDataAsync(path).GetAwaiter().GetResult();
Console.WriteLine($"GetData result = {Encoding.UTF8.GetString(getDataResult.Data)}");
Console.ReadKey();
client.deleteAsync(path).Wait();
}
public async Task ChangeValue(string path, string value)
{
var zk = new org.apache.zookeeper.ZooKeeper("127.0.0.1:2181", 60000, null);
await zk.setDataAsync(path, Encoding.UTF8.GetBytes(value));
await zk.closeAsync();
}
public async Task <int> IncrementAndWatchEpochAsync(int currentEpoch, Watcher watcher)
{
string actionToPerform = "increment epoch";
while (true)
{
await BlockUntilConnected(actionToPerform);
try
{
byte[] data = Encoding.UTF8.GetBytes("0");
Stat stat = await zookeeper.setDataAsync(epochPath, data, currentEpoch);
DataResult dataRes = await zookeeper.getDataAsync(epochPath, watcher);
if (dataRes.Stat.getVersion() == stat.getVersion())
{
return(dataRes.Stat.getVersion());
}
throw new ZkStaleVersionException(
"Between incrementing the epoch and setting a watch the epoch was incremented");
}
catch (KeeperException.BadVersionException e)
{
throw new ZkStaleVersionException(
$"Could not {actionToPerform} as the current epoch was incremented already.", e);
}
catch (KeeperException.NoNodeException e)
{
throw new ZkInvalidOperationException($"Could not {actionToPerform} as the node does not exist.",
e);
}
catch (KeeperException.ConnectionLossException)
{
// do nothing, the next iteration will try again
}
catch (KeeperException.SessionExpiredException e)
{
throw new ZkSessionExpiredException($"Could not {actionToPerform} as the session has expired: ", e);
}
catch (Exception e)
{
throw new ZkInvalidOperationException($"Could not {actionToPerform} due to an unexpected error", e);
}
}
}
protected static void SetData(string path, string data, org.apache.zookeeper.ZooKeeper client)
{
var setDataResult = client.setDataAsync(path, Encoding.UTF8.GetBytes(data)).GetAwaiter().GetResult();
setDataResult.Should().NotBeNull();
//setDataResult.EnsureSuccess();
//setDataResult.Status.Should().Be(ZooKeeperStatus.Ok);
//setDataResult.Path.Should().Be(path);
}
public async Task SetDataAsync(string path, byte[] data, int version)
{
await _zooKeeper.setDataAsync(path, data, version);
}
