/// <summary>同步集群中MasterLeader
/// </summary>
private void SyncMasterLeader()
{
if (_masterLeaderConnection == null)
{
_logger.LogError("同步MasterLeader出错,当前MasterConnection为空.");
return;
}
try
{
//查询集群中的状态
var request = new ClusterStatusRequest();
//执行结果
var task = _seaweedfsExecuter.ExecuteAsync(request);
task.Wait();
//集群状态
var clusterStatus = task.Result;
if (!clusterStatus.IsSuccessful)
{
//如果不成功,Master可能废了,需要构建新的
_masterLeaderConnection = CreateMasterConnection(_masterLeaderConnection.ConnectionAddress);
SyncMasterLeader();
return;
}
//判断集群中的Master服务器的Leader是否发生了改变
if (!clusterStatus.IsLeader || clusterStatus.Leader != _masterLeaderConnection.ConnectionAddress.ToString())
{
//更新当前Master连接
lock (SyncObject)
{
var connectionAddress = new ConnectionAddress(clusterStatus.Leader);
_masterLeaderConnection = _connectionFactory.CreateConnection(connectionAddress, ConnectionType.Master);
}
}
}
catch (AggregateException ex)
{
foreach (var e in ex.InnerExceptions)
{
_logger.LogError(e.InnerException, "同步MasterLeader出现线程异常,{0}", ex.Message);
}
}
catch (Exception ex)
{
_logger.LogError(ex, "同步MasterLeader出错,{0}", ex.Message);
}
}
/// <summary>查询集群状态
/// </summary>
/// <returns><see cref="Seaweedfs.Client.Rest.ClusterStatusResponse"/></returns>
public async Task <ClusterStatusResponse> GetClusterStatus()
{
var request = new ClusterStatusRequest();
return(await _seaweedfsExecuter.ExecuteAsync(request));
}
