public static UDPBoxBroadcast GenerateStandardUDPBoxBroadcastAndSetup(
UDPBox_UDPClient udpClient
, int broadcastSendPort
, string netPrefixIP
, UDPBoxContainer container)
{
var broadcast = new UDPBoxBroadcast(udpClient, broadcastSendPort);
var broadcastPackage = new BroadcastPackage(container.PackageHeadBytes);
if (container.IsMaster)
{
broadcast.ListenBroadcast((bytes, endPoint) =>
{
if (UDPBoxUtility.PackageIsBroken(bytes, container.PackageHeadBytes))
{
return;
}
if (!UDPBoxUtility.ComparePackageID(bytes, container.PackageHeadBytes, broadcastPackage.ID))
{
return;
}
if (!broadcastPackage.Deserialize(bytes))
{
return;
}
var ipEndPoint = new IPEndPoint(IPAddress.Parse(broadcastPackage.IpAddress), broadcastPackage.BeginPort);
if (ipEndPoint.Address.Equals(container.SelfIPAddress) &&
ipEndPoint.Port < container.UdpBoxEndPort && ipEndPoint.Port >= container.UdpBoxBeginPort)
{
return;
}
//Avoid self connect to the self.
var establishConnectPackage = new EstablishConnectPackage(container.PackageHeadBytes);
establishConnectPackage.SenderType = EstablishConnectPackage.ESenderType.Server;
establishConnectPackage.IpAddress = container.SelfIPAddress.ToString();
establishConnectPackage.BeginPort = container.UdpBoxBeginPort;
establishConnectPackage.EndPort = container.UdpBoxEndPort;
establishConnectPackage.IsReceipt = false;
container.SendUDPMessage(establishConnectPackage.Serialize(), ipEndPoint);
//Server notify to client.
});
}
else
{
broadcastPackage.IpAddress = container.SelfIPAddress.ToString();
broadcastPackage.BeginPort = container.UdpBoxBeginPort;
broadcastPackage.EndPort = container.UdpBoxEndPort;
broadcast.StartBroadcast(broadcastPackage.Serialize(), netPrefixIP);
//Client through broadcast notify to server.
}
return(broadcast);
}
bool InterceptAndUpdateConnectState(UDPBox.MessageInterceptInfo messageInterceptInfo)
{
if (UDPBoxUtility.PackageIsBroken(messageInterceptInfo.Bytes, PackageHeadBytes))
{
return(true);
}
var packageID = UDPBoxUtility.GetPackageID(messageInterceptInfo.Bytes, PackageHeadBytes);
if (packageID == UDPBoxUtility.ESTABLISH_CONNECT_ID)
{
if (!mEstablishConnectPackage.Deserialize(messageInterceptInfo.Bytes))
{
return(true);
}
var senderType = mEstablishConnectPackage.SenderType;
var establishIPAddress = mEstablishConnectPackage.IpAddress;
var packageBeginPort = mEstablishConnectPackage.BeginPort;
var packageEndPort = mEstablishConnectPackage.EndPort;
var isReceipt = mEstablishConnectPackage.IsReceipt;
if (senderType == EstablishConnectPackage.ESenderType.Server)
{
MasterIPConnectInfo = new ConnectInfo()
{
IPEndPoint = new IPEndPoint(IPAddress.Parse(establishIPAddress), packageBeginPort),
BeginPort = packageBeginPort,
EndPort = packageEndPort,
};
OnConnectedMaster?.Invoke();
if (!isReceipt)
{
mEstablishConnectPackage.SenderType = EstablishConnectPackage.ESenderType.Client;
mEstablishConnectPackage.IpAddress = SelfIPAddress.ToString();
mEstablishConnectPackage.BeginPort = UdpBoxBeginPort;
mEstablishConnectPackage.EndPort = UdpBoxEndPort;
mEstablishConnectPackage.IsReceipt = true;
SendUDPMessageToRandomPort(mEstablishConnectPackage.Serialize(), packageBeginPort, packageEndPort, IPAddress.Parse(establishIPAddress));
}
}
else if (senderType == EstablishConnectPackage.ESenderType.Client)
{
var connectInfo = new ConnectInfo()
{
IPEndPoint = new IPEndPoint(IPAddress.Parse(establishIPAddress), packageBeginPort),
BeginPort = packageBeginPort,
EndPort = packageEndPort,
};
if (ClientIPConnectList.Count < MAX_CLIENT &&
!ClientIPConnectList.Find(m => m.IsPortAndIPContain(connectInfo.IPEndPoint)).Valid)
{
ClientIPConnectList.Add(connectInfo);
OnConnectedClient?.Invoke();
}
if (!isReceipt)
{
mEstablishConnectPackage.SenderType = EstablishConnectPackage.ESenderType.Server;
mEstablishConnectPackage.IpAddress = SelfIPAddress.ToString();
mEstablishConnectPackage.BeginPort = UdpBoxBeginPort;
mEstablishConnectPackage.EndPort = UdpBoxEndPort;
mEstablishConnectPackage.IsReceipt = true;
SendUDPMessageToRandomPort(mEstablishConnectPackage.Serialize(), packageBeginPort, packageEndPort, IPAddress.Parse(establishIPAddress));
}
}
}
else if (packageID == UDPBoxUtility.PING_PONG_ID)
{
if (!mPingPongPackageTemplate.Deserialize(messageInterceptInfo.Bytes))
{
return(true);
}
if (mPingPongPackageTemplate.PingPong == PingPongPackage.EPingPong.Pong)
{
return(true);
}
if (IsMaster)
{
for (int i = 0, iMax = ClientIPConnectList.Count; i < iMax; i++)
{
var clientEndPoint = ClientIPConnectList[i];
if (clientEndPoint.IsPortAndIPContain(messageInterceptInfo.IPEndPoint))
{
ClientIPConnectList[i] = new ConnectInfo()
{
AliveTimer = 0f,
IPEndPoint = clientEndPoint.IPEndPoint,
BeginPort = clientEndPoint.BeginPort,
EndPort = clientEndPoint.EndPort,
IsClientEstablished = true
};
}
}
}
else
{
if (MasterIPConnectInfo.Valid && MasterIPConnectInfo.IsPortAndIPContain(messageInterceptInfo.IPEndPoint))
{
MasterIPConnectInfo = new ConnectInfo()
{
AliveTimer = 0f,
IPEndPoint = messageInterceptInfo.IPEndPoint,
BeginPort = MasterIPConnectInfo.BeginPort,
EndPort = MasterIPConnectInfo.EndPort,
};
}
}
return(true);
}
return(false);
}
