private bool SendMessageAndWaitForAck(TcpClient socket, Message messageToSend)
{
var stream = socket.GetStream();
messageToSend.WriteTo(stream);
stream.Flush();
var message = Message.Read(stream);
return message.Header.Equals("ACK", StringComparison.OrdinalIgnoreCase);
}
/// <summary>
/// Create a channel to the master for receiving new transactions
/// </summary>
/// <param name="masterAddress"></param>
public void OpenTransactionChannel(EndpointAddress masterAddress)
{
var tcpClient = new TcpClient(masterAddress.Uri.Host, masterAddress.Uri.Port);
var msg = new Message("listen", String.Empty);
var stream = tcpClient.GetStream();
msg.WriteTo(stream);
stream.Flush();
_transactionMessageReader = new MessageReader(tcpClient, HandleTransactionMessage);
_transactionMessageReader.Start();
}
/// <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();
}
private void SendMessage(Stream networkStream, Message messageToSend)
{
messageToSend.WriteTo(networkStream);
networkStream.Flush();
}