/// <summary>
/// 监视路径
/// </summary>
/// <param name="nodeName">节点名称</param>
/// <param name="nodeData">节点值</param>
/// <param name="disconfNodeType">节点类型</param>
public void WatchPath(string nodeName, string nodeData, DisconfNodeType disconfNodeType)
{
string monitorPath = CreateMonitorPath(nodeName, nodeData, disconfNodeType);
NodeWatcher nodeWatcher = new NodeWatcher(_zooKeeperClient, nodeName, nodeData, disconfNodeType, monitorPath);
nodeWatcher.Monitor();
}
/// <summary>
/// ZooKeeper事件处理
/// </summary>
/// <param name="watchedEvent">ZooKeeper事件</param>
public void Process(WatchedEvent watchedEvent)
{
string host = _webApi.GetZooKeeperHost();
if (watchedEvent.State == KeeperState.SyncConnected)
{
LogManager.GetLogger().Info(string.Format("DisconfClient.ConnectionWatcher.Connect,host:{0},KeeperState.SyncConnected.", host));
NodeWatcher.ReRegisterAllWatcher();
}
else if (watchedEvent.State == KeeperState.NoSyncConnected)
{
LogManager.GetLogger().Error(string.Format("DisconfClient.ConnectionWatcher.Connect,host:{0},KeeperState.NoSyncConnected.", host));
}
else if (watchedEvent.State == KeeperState.Disconnected)
{
// 这时收到断开连接的消息，这里其实无能为力，因为这时已经和ZK断开连接了，只能等ZK再次开启了
LogManager.GetLogger().Error(string.Format("DisconfClient.ConnectionWatcher.Connect,host:{0},KeeperState.Disconnected.", host));
}
else if (watchedEvent.State == KeeperState.Expired)
{
// 这时收到这个信息，表示，ZK已经重新连接上了，但是会话丢失了，这时需要重新建立会话。
LogManager.GetLogger().Error(string.Format("DisconfClient.ConnectionWatcher.Connect,host:{0},KeeperState.Expired.", host));
ReConnect();
}
else if (watchedEvent.State == KeeperState.Unknown)
{
LogManager.GetLogger().Error(string.Format("DisconfClient.ConnectionWatcher.Connect,host:{0},KeeperState.Unknown.", host));
}
}
/// <summary>
/// 重新连接ZooKeeper
/// </summary>
public void ReConnect()
{
string host = _webApi.GetZooKeeperHost();
ActionRetryHelper.Retry(() =>
{
LogManager.GetLogger().Info(string.Format("DisconfClient.ConnectionWatcher.Connect,host:{0},Start ReConnect.", host));
Close();
Connect();
NodeWatcher.ReRegisterAllWatcher();
}, 3, new TimeSpan(10), () =>
{
//exceptionAction
}, (ex) =>
{
//errorHandle
LogManager.GetLogger().Error(string.Format("DisconfClient.ConnectionWatcher.Connect,host:{0},ReConnect,{1}.", host, ex));
}, () =>
{
//retryExceptionAction
});
}