private bool SendMasterMessage(EndpointAddress master)
{
var socket = AssertConnection(master);
var msg = new Message("master", String.Empty);
using(var writer = msg.GetContentWriter())
{
_config.MasterConfiguration.WriteTo(writer);
}
return SendMessageAndWaitForAck(socket,msg);
}
public override Message AsMessage()
{
const string header = "spu";
var args = String.Join(" ", StoreId, JobId, PrevTxnId);
var msg = new Message(header, args);
using(var writer = msg.GetContentWriter())
{
if (!String.IsNullOrEmpty(Expression))
{
writer.WriteLine(Expression);
}
}
return msg;
}
private bool SendMasterMessage(NodeConfiguration master)
{
var socket = AssertConnection(master);
if (socket == null) return false;
var msg = new Message("master", String.Empty);
using(var writer = msg.GetContentWriter())
{
_config.MasterConfiguration.WriteTo(writer);
}
bool masterIsSet = SendMessageAndWaitForAck(socket,msg);
if (masterIsSet)
{
_master = master;
}
return masterIsSet;
}
public override Message AsMessage()
{
const string header = "txn";
var args = String.Join(" ", StoreId, JobId, PrevTxnId);
var msg = new Message(header, args);
using(var writer = msg.GetContentWriter())
{
if (!String.IsNullOrEmpty(Preconditions))
{
writer.WriteLine(Preconditions);
}
writer.WriteLine("||");
if (!String.IsNullOrEmpty(Deletes))
{
writer.WriteLine(Deletes);
}
writer.WriteLine("||");
if (!String.IsNullOrEmpty(Inserts))
{
writer.WriteLine(Inserts);
}
}
return msg;
}
/// <summary>
/// Construct a sync message that lists all the stores we have and the last commited transaction id for each one
/// then start a reader to process the updates the master will send to us
/// </summary>
/// <param name="masterAddress"></param>
/// <param name="lastTxn"></param>
public void SendSyncToMaster(EndpointAddress masterAddress, Dictionary<string, string> lastTxn)
{
var msg = new Message("sync", String.Empty);
using(var writer = msg.GetContentWriter())
{
foreach (var entry in lastTxn)
{
writer.WriteLine("{0}|{1}", entry.Key, entry.Value);
}
}
var socket = new TcpClient(masterAddress.Uri.Host, masterAddress.Uri.Port);
var socketStream = socket.GetStream();
msg.WriteTo(socketStream);
socketStream.Flush();
var messageReader = new MessageReader(socket, HandleSyncMessage);
messageReader.Start();
}