/// <summary>Inlet content</summary>
/// <param name="content">Content</param>
internal void Inlet(Content content)
{
// Last receipt time
LastReceiptTime = (uint)Stopwatch.ElapsedMilliseconds;
// Unreliable content
if ((content.Protocol & Content.IDENTIFIABLE) == 0)
{
// Channel unreliable
Unreliable.Inlet(content);
}
// Reliable content
else
{
// Measure latency
if (content.Protocol == Content.RESPONSE)
{
MeasureLatency(content.Timestamp);
}
// Channel reliable
Reliable.Inlet(content);
}
}
public void Broadcast(byte[] buf, int offset, int size, bool reliable = true)
{
if (reliable)
{
Reliable.Broadcast(buf, offset, size);
}
else
{
Unreliable.Broadcast(buf, offset, size);
}
}
/// <summary>Outlet content</summary>
/// <param name="content">Content</param>
internal void Outlet(Content content)
{
if (content == null)
{
return;
}
if (content.Protocol != Content.PONG)
{
content.Timestamp = (uint)Stopwatch.ElapsedMilliseconds;
}
// Channel unreliable
Unreliable.Outlet(content);
// Channel reliable
Reliable.Outlet(content);
}
/// <summary>
/// Generically sends a datagram to the specified end points, either reliable or unreliable.
/// </summary>
/// <param name="message">The message to send</param>
/// <param name="isReliable">Whether the handler should ensure
/// the message reaches its intended recipient</param>
/// <param name="endPoints">The client(s) to send the datagram to</param>
public void SendDatagram(string message, bool isReliable)
{
byte[] msgBytes;
if (isReliable)
{
if (_resolverBuffer.Count >= 100)
{
return;
}
// Append the ack index count to the message, to communicate to the
// client what reliable datagram count it represents
msgBytes = Encoding.ASCII.GetBytes(Reliable.CreateString(_ackCurrentIndex, message));
// Add a new AckResolver to the resolver buffer, which will
// resend the datagram if the timeout is reached
// before receiving an ACK
AddAckResolver(
new AckResolver()
{
AckIndex = _ackCurrentIndex,
TicksStart = DateTime.Now.Ticks,
Message = message
}
);
_ackCurrentIndex += 1;
}
else
{
msgBytes = Encoding.ASCII.GetBytes(Unreliable.CreateString(message));
}
try
{
_client.Send(msgBytes, msgBytes.Length);
}
catch (SocketException)
{
_displayDisconnection.Display();
}
}
/// <summary>Timeout</summary>
internal void Timeout()
{
// Time
var time = (uint)Stopwatch.ElapsedMilliseconds;
// Channel unreliable
Unreliable.Timeout(time);
// Channel reliable
Reliable.Timeout(time);
// Disconnecting
if (
(
Reliable.Muted() ||
Unreliable.Muted()
) || (
CheckStatus(Status.Close | Status.Wait) &&
Unreliable.Released() &&
Reliable.Released()
)
)
{
// Change status
ChangeStatus(Status.Close | Status.Done);
if (Reliable.Muted() || Reliable.Muted())
{
Network.Raise(EventType.Unlinked, Reason.Muted, this);
}
else
{
Network.Raise(EventType.Unlinked, Reason.Unlinked, this);
}
return;
}
// Settings
var downtime = Network.Settings.Downtime;
var pingInterval = Network.Settings.PingInterval;
// Downtime
if ((time - LastReceiptTime) > downtime)
{
// Timeout
if (
CheckStatus(Status.Connect | Status.Wait) ||
CheckStatus(Status.Connect | Status.Done)
)
{
Network.Raise(EventType.Unlinked, Reason.Timeout, this);
}
// Host not accessible
else if (CheckStatus(Status.Connect))
{
Network.Raise(EventType.Failed, Failure.NotAccessible, this);
}
// Change status
ChangeStatus(Status.Close | Status.Done);
}
// Ping
if (
CheckStatus(Status.Connect | Status.Done) &&
(time - LastPingTime) > pingInterval
)
{
// Last ping interval
LastPingTime = time;
// Ping
var content = Content.Unreliable();
content.Protocol = Content.PING;
// Set the current timestamp and pack
content.Timestamp = time;
content.Packing();
// Send immediately
var size = (uint)Network.Outlet(content, this);
// Statistics
Statistics.PacketSent(size, false);
Network.Statistics.PacketSent(size, false);
}
}
public PacketProcessor(string ip, int port, bool isListener)
{
_connection = new Connection(ip, port, isListener);
_unreliable = new Unreliable();
_reliableFast = new ReliableFast();
}