internal void SendPong(int pingNumber)
{
m_peer.VerifyNetworkThread();
NetOutgoingMessage om = m_peer.CreateMessage(5);
om.Write((byte)pingNumber);
om.Write((float)NetTime.Now); // we should update this value to reflect the exact point in time the packet is SENT
om.m_messageType = NetMessageType.Pong;
int len = om.Encode(m_peer.m_sendBuffer, 0, 0);
m_peer.SendPacket(len, m_remoteEndPoint, 1, out var connectionReset);
m_statistics.PacketSent(len, 1);
m_peer.Recycle(om);
}
private bool SendOutMessage(NetOutgoingMessage msg, IPEndPoint endPoint)
{
byte[] data = new byte[msg.GetEncodedSize()];
int len = msg.Encode(data, 0, 0);
try
{
peer.Send(data, data.Length, endPoint);
}
catch (Exception e)
{
Debug.LogError("Cannot send message to MS. \n" + e.ToString());
// if udp client has a connection socket, than forget it
return(false);
}
return(true);
}
internal void SendPing()
{
m_peer.VerifyNetworkThread();
m_sentPingNumber++;
m_sentPingTime = NetTime.Now;
NetOutgoingMessage om = m_peer.CreateMessage(1);
om.Write((byte)m_sentPingNumber); // truncating to 0-255
om.m_messageType = NetMessageType.Ping;
int len = om.Encode(m_peer.m_sendBuffer, 0, 0);
m_peer.SendPacket(len, m_remoteEndPoint, 1, out var connectionReset);
m_statistics.PacketSent(len, 1);
m_peer.Recycle(om);
}
private void SendExpandMTU(double now, int size)
{
NetOutgoingMessage om = m_peer.CreateMessage(size);
byte[] tmp = new byte[size];
om.Write(tmp);
om.m_messageType = NetMessageType.ExpandMTURequest;
int len = om.Encode(m_peer.m_sendBuffer, 0, 0);
bool ok = m_peer.SendMTUPacket(len, m_remoteEndPoint);
if (ok == false)
{
//m_peer.LogDebug("Send MTU failed for size " + size);
// failure
if (m_smallestFailedMTU == -1 || size < m_smallestFailedMTU)
{
m_smallestFailedMTU = size;
m_mtuAttemptFails++;
if (m_mtuAttemptFails >= m_peerConfiguration.ExpandMTUFailAttempts)
{
FinalizeMTU(m_largestSuccessfulMTU);
return;
}
}
ExpandMTU(now);
return;
}
m_lastSentMTUAttemptSize = size;
m_lastSentMTUAttemptTime = now;
m_statistics.PacketSent(len, 1);
m_peer.Recycle(om);
}
// Queue an item for immediate sending on the wire
// This method is called from the ISenderChannels
internal void QueueSendMessage(NetOutgoingMessage om, int seqNr)
{
m_peer.VerifyNetworkThread();
int sz = om.GetEncodedSize();
if (sz > m_currentMTU)
m_peer.LogWarning("Message larger than MTU! Fragmentation must have failed!");
if (m_sendBufferWritePtr + sz > m_currentMTU)
{
bool connReset; // TODO: handle connection reset
NetException.Assert(m_sendBufferWritePtr > 0 && m_sendBufferNumMessages > 0); // or else the message should have been fragmented earlier
m_peer.SendPacket(m_sendBufferWritePtr, m_remoteEndPoint, m_sendBufferNumMessages, out connReset);
m_statistics.PacketSent(m_sendBufferWritePtr, m_sendBufferNumMessages);
m_sendBufferWritePtr = 0;
m_sendBufferNumMessages = 0;
}
m_sendBufferWritePtr = om.Encode(m_peer.m_sendBuffer, m_sendBufferWritePtr, seqNr);
m_sendBufferNumMessages++;
NetException.Assert(m_sendBufferWritePtr > 0, "Encoded zero size message?");
NetException.Assert(m_sendBufferNumMessages > 0);
}
// send message immediately
internal void SendLibrary(NetOutgoingMessage msg, IPEndPoint recipient)
{
VerifyNetworkThread();
NetException.Assert(msg.m_isSent == false);
bool connReset;
int len = msg.Encode(m_sendBuffer, 0, 0);
SendPacket(len, recipient, 1, out connReset);
}