public async Task EnusreInit()
{
if (_zk != null)
{
return;
}
await _semaphoreSlim.WaitAsync();
try
{
if (_zk == null)
{
var client = new ZookeeperClient(_sessionTimeout);
_watcher = new LeaderWatcher();
_zk = await client.CreateClient(_hostPort);
await EnsureExists(ROOT); //确保root已存在
await EnsureLocalNodeExists(); //确保创建当前节点
_watcher.NodeDeletedEvent += () =>
{
return(ElectionLeader());
};
}
}
finally
{
_semaphoreSlim.Release();
}
}
public void Initialize()
{
var address = Configurations.ZooKeeperAddress;
_zk = ZooKeeperFactory.Instance.Connect(address);
_election = new LeaderElection(_zk, "/ElectionTest", (_watcher = new LeaderWatcher()), new byte[0]);
}
public LeaderWatcher GetLeaderWatcher(string keyForLeadership)
{
LeaderWatcher returnValue;
lock (_leaderWatchers)
{
if (!_leaderWatchers.TryGetValue(keyForLeadership, out returnValue))
{
returnValue = new LeaderWatcher(_serviceManager, keyForLeadership);
_leaderWatchers[keyForLeadership] = returnValue;
}
}
return(returnValue);
}