protected override IGetOperationResult PerformTryGet(string key, out ulong cas, out object value)
{
string str = base.KeyTransformer.Transform(key);
IMemcachedNode startNode = base.Pool.Locate(str);
IGetOperationResult source = base.GetOperationResultFactory.Create();
if (startNode != null)
{
IGetOperation op = base.Pool.OperationFactory.Get(str);
IOperationResult result2 = this.ExecuteWithRedirect(startNode, op);
if (result2.Success)
{
source.Value = value = op.Result.Data; // base.Transcoder.Deserialize(op.Result);
source.Cas = cas = op.CasValue;
if (base.PerformanceMonitor != null)
{
base.PerformanceMonitor.Get(1, true);
}
source.Pass(null);
return(source);
}
value = null;
cas = 0L;
result2.Combine(source);
return(source);
}
value = null;
cas = 0L;
if (base.PerformanceMonitor != null)
{
base.PerformanceMonitor.Get(1, false);
}
source.Fail("Unable to locate node", null);
return(source);
}
public IGetResponse GetDocuments(IGetOperation operation)
{
if (Authorize(operation, false))
{
return(_nodeContext.TopologyImpl.GetDocuments(operation));
}
return(null);
}
public IGetResponse GetDocuments(IGetOperation operation)
{
DatabaseExists(operation.Database);
IStore database = _databases[operation.Database];
return(database.GetDocuments(operation));
}
/// <summary>
/// Gets the Node configuration from "config get cluster" if it's new or "get AmazonElastiCache:cluster" if it's older than
/// 1.4.14
/// </summary>
/// <returns>A string in the format "hostname1|ip1|port1 hostname2|ip2|port2 ..."</returns>
internal string GetNodeConfig()
{
var tries = this.tries;
var nodeVersion = this.GetNodeVersion();
var older = new Version("1.4.14");
var waiting = true;
string message = "";
string[] items = null;
IGetOperation command = nodeVersion.CompareTo(older) < 0 ?
command = new GetOperation("AmazonElastiCache:cluster") :
command = new ConfigGetOperation("cluster");
while (waiting && tries > 0)
{
tries--;
try
{
lock (nodesLock)
{
// This avoids timing out from requesting the config from the endpoint
foreach (var node in this.nodes.ToArray())
{
try
{
var result = node.Execute(command);
if (result.Success)
{
var configCommand = command as IConfigOperation;
items = Encoding.UTF8.GetString(configCommand.ConfigResult.Data.Array, configCommand.ConfigResult.Data.Offset, configCommand.ConfigResult.Data.Count).Split('\n');
waiting = false;
break;
}
else
{
message = result.Message;
}
}
catch (Exception ex)
{
message = ex.Message;
}
}
}
if (waiting)
{
System.Threading.Thread.Sleep(this.delay);
}
}
catch (Exception ex)
{
message = ex.Message;
System.Threading.Thread.Sleep(this.delay);
}
}
if (waiting)
{
throw new TimeoutException(String.Format("Could not get config of version " + this.NodeVersion.ToString() + ". Tries: {0} Delay: {1}. " + message, this.tries, this.delay));
}
lock (clusterLock)
{
if (this.ClusterVersion < Convert.ToInt32(items[0]))
{
this.ClusterVersion = Convert.ToInt32(items[0]);
}
}
return(items[1]);
}
