public void Send(StarNetPacket packet, IPEndPoint destination)
{
var memory = new MemoryStream();
var stream = new BinaryWriter(memory);
stream.Write(packet.GetType().Name);
stream.Write((byte)packet.Flags);
if (packet.AssignTransactionId)
{
packet.Transaction = GetTransactionNumber();
}
stream.Write(packet.Transaction);
stream.Write(DateTime.UtcNow.Ticks);
packet.Write(stream);
var payload = new byte[memory.Position];
memory.Seek(0, SeekOrigin.Begin);
memory.Read(payload, 0, payload.Length);
var signature = CryptoProvider.SignMessage(payload);
memory.Write(signature, 0, signature.Length);
payload = new byte[memory.Position];
memory.Seek(0, SeekOrigin.Begin);
memory.Read(payload, 0, payload.Length);
packet.Destination = destination;
packet.ScheduledRetry = DateTime.UtcNow.AddSeconds(10);
if (packet.Retries == 0 && (packet.Flags & MessageFlags.ConfirmationRequired) > 0)
{
lock (NetworkLock) PacketRetryList.Add(packet);
}
NetworkClient.Send(payload, payload.Length, destination);
}
private void HandleConfirmation(StarNetPacket packet)
{
lock (NetworkLock)
{
for (int i = 0; i < PacketRetryList.Count; i++)
{
if (PacketRetryList[i].Transaction == packet.Transaction)
{
PacketRetryList[i].OnConfirmationReceived();
PacketRetryList.RemoveAt(i);
break;
}
}
}
}
private void DoRetries(object discarded)
{
lock (NetworkLock)
{
for (int i = 0; i < PacketRetryList.Count; i++)
{
if (PacketRetryList[i].ScheduledRetry < DateTime.Now)
{
var packet = PacketRetryList[i];
PacketRetryList.RemoveAt(i--);
packet.Retries++;
Send(packet, packet.Destination);
}
}
}
}
