// Data server register from data server itself
public void Register(string address)
{
DataServerInfo dsi = new DataServerInfo(address);
Monitor.Enter(onlineDataServers);
onlineDataServers.Add(dsi);
Monitor.Exit(onlineDataServers);
for (int i = 0; i < msi.GetLength(0); i++)
{
MetadataServerInfo mi = msi[i];
if (mi != null && mi.port != this.metadataPort)
{
try
{
MetadataMessageService metadataServer = (MetadataMessageService)Activator.GetObject(typeof(MetadataMessageService), "tcp://localhost:" + mi.port + "/MessageService");
metadataServer.RegisterDataReplica(dsi.address);
}
catch (RemotingException e)
{
onlineMS[mi.getID(base_port)] = false;
msi[i] = null;
}
catch (SocketException e)
{
onlineMS[mi.getID(base_port)] = false;
msi[i] = null;
}
}
}
// Console.WriteLine("DataServer at " + address + " has registered.");
}
private int ConnectMetadataServer(int port)
{
Console.WriteLine("Connecting to MDS at " + port);
MetadataMessageService metadataServer = (MetadataMessageService)Activator.GetObject(typeof(MetadataMessageService), "tcp://localhost:" + port + "/MessageService");
metadataServer.Register(this.port.ToString());
return(port);
}
private void ConnectMetadataServer(int port, int i)
{
Console.WriteLine("Connecting to MDS at " + port);
MetadataMessageService metadataServer = (MetadataMessageService)Activator.GetObject(typeof(MetadataMessageService), "tcp://localhost:" + port + "/MessageService");
metadataServer.RegisterMetadata(this.metadataPort.ToString());
onlineMS[i] = true;
}
public MetadataServer(int port, int baseMetadataServerPort, int metadataPort)
{
failing = false;
freezer = new ManualResetEvent(true);
timestamp = 0;
ticket = 0;
this.port = port;
this.base_port = baseMetadataServerPort;
this.metadataPort = metadataPort;
metadataDB = new Dictionary <string, MetadataContent>();
onlineDataServers = new SortedSet <DataServerInfo>();
msi = new MetadataServerInfo[3];
commandService = new CommandService();
commandService.FailHandler += Fail;
commandService.RecoverHandler += Recover;
commandService.FreezeHandler += Freeze;
commandService.UnfreezeHandler += Unfreeze;
commandService.DumpHandler += Dump;
requestService = new MetadataRequestService();
requestService.CreateHandler += Create;
requestService.DeleteHandler += Delete;
requestService.CloseHandler += Close;
requestService.OpenHandler += Open;
requestService.SendCreatePromiseHandler += sendCreatePromise;
requestService.SendCreateAcceptedHandler += sendCreateAccepted;
requestService.CreateCommitHandler += createCommit;
messageService = new MetadataMessageService();
messageService.RegisterHandler += Register;
messageService.RegisterDataReplicaHandler += RegisterDataReplica;
messageService.RegisterMetadataHandler += RegisterMetadata;
messageService.GetMetadataDtoHandler += GetMetadataDto;
messageService.SendMetadataDtoHandler += SendMetadataDto;
messageService.MetadataTransferHandler += MetadataTransfer;
}
