/// <summary>
/// B
/// locking thread to receive and process data.
/// </summary>
public void ServerThread()
{
status = 1;
while(status == 1)
{
var message = server.ReceiveMessage(TimeSpan.FromMilliseconds(500));
if (message.FrameCount == 0) continue;
//Determine the identity of the host
var identity = message[0];
var data = message[1];
//Initial connection will be a 15 byte identity.
if(identity.BufferSize == 15)
{
//This person has no identity. Check for hello message
if(data.Buffer[0] == (byte)MessageIdentifier.Init)
{
//Response message
var response = new byte[28];
response[0] = (byte)MessageIdentifier.SetIdentity;
log.Debug("Assigned new client a 27 byte identity.");
//Setup a host object for this.
var host = new Host();
HostCache.RegisterHost(host);
host.Id.CopyTo(response, 1);
server.SendMore(identity.Buffer);
server.Send(response);
}else
{
log.Debug("Client with 1 byte identity, message "+Enum.GetName(typeof(MessageIdentifier), data.Buffer[0]));
}
}else if(identity.BufferSize == 0)
{
log.Error("Empty identity message discarded.");
}
else
{
//Find the host object.
var hostIdentity = HostCache.FindHost(identity.Buffer);
if (hostIdentity == null)
{
log.Debug("Client contacted with invalid identity!");
lock (server)
{
server.SendMore(identity.Buffer);
server.Send(new byte[] {(byte) MessageIdentifier.InvalidIdentity});
}
}else
{
hostIdentity.ProcessMessage(this, data.Buffer);
}
}
}
server.Unbind(Settings.Default.Protocol+"://*:"+port);
}
/// <summary>
/// Register a new host in the database.
/// </summary>
/// <param name="host"></param>
public static void RegisterHost(Host host)
{
hosts[host.Id] = host;
}