internal void SendNewHostSignal()
{
try
{
var endPoint = new IPEndPoint(IPAddress.Broadcast, UdpPortNumber);
var message = new Message { Type = MessageType.NewHost, StringContent = IpAddress };
var bytes = SerializationHelper.ObjectToByteArray(message);
UdpSocket.SendTo(bytes, endPoint);
DoAzureHack();
}
catch (SocketException)
{
}
}
internal static void SendHostLeave()
{
var message = new Message { Type = MessageType.HostLeave, StringContent = IpAddress };
var bytes = SerializationHelper.ObjectToByteArray(message);
lock (ConnectionLock)
{
foreach (var client in Connections)
{
client.ClientSocket.Send(bytes);
XmlRecordFile.Instance.RemoveCacheListFromRemote(client.Ip);
}
}
}
private static void DoAzureHack()
{
try
{
IPAddress ip = null;
if (IpAddress == "10.0.0.4")
{
ip = IPAddress.Parse("10.0.0.5");
}
if (IpAddress == "10.0.0.5")
{
ip = IPAddress.Parse("10.0.0.4");
}
if (ip == null)
{
return;
}
var endPoint = new IPEndPoint(ip, UdpPortNumber);
var message = new Message { Type = MessageType.NewHost, StringContent = IpAddress };
var bytes = SerializationHelper.ObjectToByteArray(message);
UdpSocket.SendTo(bytes, endPoint);
}
catch (SocketException)
{
}
}
private static void SendCacheList(string ipAddress)
{
if (ipAddress == IpAddress)
{
return;
}
var message = new Message { Type = MessageType.CacheList, ListStringContent = XmlRecordFile.Instance.GetLocalCachedItems() };
var bytes = SerializationHelper.ObjectToByteArray(message);
lock (Connections)
{
var client = Connections.First(ip => ip.Ip == ipAddress);
client.ClientSocket.Send(bytes);
}
}
private static void DealWithMessage(Message message)
{
switch (message.Type)
{
case MessageType.NewHost:
TcpConnect(message.StringContent);
SendCacheList(message.StringContent);
break;
case MessageType.HostLeave:
RemoveHost(message.StringContent);
XmlRecordFile.Instance.RemoveCacheListFromRemote(message.StringContent);
break;
case MessageType.CacheList:
XmlRecordFile.Instance.AddToCacheListFromRemote(message.ListStringContent);
break;
default:
throw new ArgumentOutOfRangeException();
}
}
internal static void SendNewCacheUpdate(List<string> newElement)
{
var message = new Message { Type = MessageType.CacheList, ListStringContent = newElement };
var bytes = SerializationHelper.ObjectToByteArray(message);
lock (ConnectionLock)
{
foreach (var client in Connections)
{
client.ClientSocket.Send(bytes);
}
}
}