private async Task UpdateChildrenAsync(ZkManager zk)
{
var childrenList = await zk.GetChlidrenListAsync(_routeCoordinatorOption.ParentName);
lock (this)
{
_availableServerList = childrenList;
}
LogUtil.Info($"最新全部连接【{string.Join(",", _availableServerList)}】");
}
private async Task NodeChangedAsync(WatchedEvent @event, ZkManager zk)
{
LogUtil.InfoFormat("NodeChange:{0},{1},{2}", @event.getPath(), @event.getState(), @event.get_Type());
if (@event.getState() == Watcher.Event.KeeperState.SyncConnected)
{
await UpdateChildrenAsync(zk);
}
else if (@event.getState() == Watcher.Event.KeeperState.Disconnected || @event.getState() == Watcher.Event.KeeperState.Expired)
{
await Retry(async() =>
{
//重新连接
await zk.ReConnectAsync();
}, retryCount : _routeCoordinatorOption.RetryCount, everyTryInterval : _routeCoordinatorOption.OperatingTimeout);
}
else if (@event.get_Type() == Watcher.Event.EventType.NodeChildrenChanged)
{
await UpdateChildrenAsync(zk);
}
else if (@event.get_Type() == Watcher.Event.EventType.NodeCreated || @event.get_Type() == Watcher.Event.EventType.NodeDeleted)
{
await UpdateChildrenAsync(zk);
}
}
public ZkCoordinator(RouteCoordinatorOption routeCoordinatorOption)
{
_routeCoordinatorOption = routeCoordinatorOption;
_zkManager = new ZkManager(routeCoordinatorOption, NodeChangedAsync);
}
public ZkWatcher(Func <WatchedEvent, ZkManager, Task> changeEvent, ZkManager zkManager)
{
_changeEvent = changeEvent;
_zkManager = zkManager;
}