protected override void Execute(List <NetworkEntity> entities)
{
var connDict = new Dictionary <IPEndPoint, ServerConnectionComponent>();
foreach (var sg in serverConnectionGroup.GetEntities())
{
var comp = sg.serverConnection;
connDict.Add(comp.clientEP, comp);
}
var connInfo = connInfoGroup.GetSingleEntity().serverConnectionInfo;
foreach (var entity in entities)
{
var comp = entity.recvPacket;
if (connDict.ContainsKey(comp.source))
{
continue;
}
ServerConnectionComponent serverConn;
connDict.TryGetValue(comp.source, out serverConn);
// Start new ServerConnection
if (serverConn == null)
{
serverConn = new ServerConnectionComponent();
serverConn.clientEP = comp.source;
serverConn.playerMetadata = new PlayerMetadata();
using (var reader = new BinaryReader(
new MemoryStream(comp.packet.data))) {
serverConn.playerMetadata.ReadBytes(reader);
}
ctx.CreateEntity()
.AddComponent(NetworkComponentsLookup.ServerConnection, serverConn);
var e = ctx.CreateEntity();
e.AddConnectionStart(serverConn);
e.isCleanup = true;
}
var playerID = connInfo.currentPlayerID++;
// Send SyncAck packet to client
ctx.CreateEntity()
.AddComponent(NetworkComponentsLookup.SendPacket, new SendPacketComponent {
target = comp.source,
packet = new Packet(PacketType.SyncAck, BitConverter.GetBytes(playerID))
});
}
}
public void Initialize()
{
var ent = ctx.CreateEntity();
ent.AddServerConnectionInfo(0);
connectionInfo = ent.serverConnectionInfo;
}
public void Execute()
{
foreach (var ent in groupPings.GetEntities())
{
var data = ent.pingTest;
data.cooldown -= Time.deltaTime;
if (data.cooldown <= 0)
{
data.cooldown = data.testIntervalMsec / 1000.0f;
ctx.CreateEntity()
.AddSendPacket(data.target, new Packet(PacketType.Ping, new byte[128]));
Debug.Log("Ping Test to " + data.target);
}
}
}
public void Execute()
{
var framePacket = BuildFramePacket();
byte[] packetData;
using (var stream = new MemoryStream()) {
var writer = new BinaryWriter(stream);
framePacket.Write(writer);
packetData = stream.ToArray();
}
var packet = new Packet(PacketType.Frame, packetData);
foreach (var connEntity in serverConnectionGroup.GetEntities())
{
var conn = connEntity.serverConnection;
if (conn.state == ServerConnectionComponent.State.Connected)
{
networkCtx.CreateEntity()
.AddSendPacket(conn.clientEP, packet);
}
}
}
public void Execute()
{
var entity = connectionGroup.GetSingleEntity();
var conn = entity.clientConnection;
conn.packetUnreceivedTime += Time.deltaTime;
conn.stateTime += Time.deltaTime;
conn.timeoutCounter += Time.deltaTime;
conn.keepAliveCounter += Time.deltaTime;
if (recvPacketGroup.count != 0)
{
conn.packetUnreceivedTime = 0;
}
var myPackets = recvPacketGroup.GetEntities()
.Select(e => e.recvPacket);
switch (conn.state)
{
case State.Disconnected: {
if (startConnectionGroup.count != 0)
{
var startConnection = startConnectionGroup.GetSingleEntity();
var info = startConnection.clientStartConnection;
conn.serverEP = info.serverEP;
conn.playerMetadata = info.playerMetadata;
conn.state = State.Initalize;
SendSyncPacket(conn);
startConnection.Destroy();
}
} break;
case State.Initalize: {
// Resend Sync
if (conn.timeoutCounter > HandshakeTimeout)
{
if (conn.retryTime > MaxInitializeRetry)
{
conn.state = State.Disconnected;
}
else
{
SendSyncPacket(conn);
++conn.retryTime;
}
conn.timeoutCounter = 0;
}
// React to SyncAck packet
var syncAckPacket = myPackets
.Where(e => e.packet.packetType == PacketType.SyncAck)
.ElementAtOrDefault(0);
if (syncAckPacket != null)
{
conn.state = State.Connected;
var playerID = BitConverter.ToUInt16(syncAckPacket.packet.data, 0);
// Rewrite player ID
conn.playerMetadata.playerID = playerID;
// Send Ack
SendAckPacket(conn, playerID);
}
} break;
case State.Connected: {
// Handle time-outs
if (conn.packetUnreceivedTime > ConnectionTimeOut)
{
StartTearDown(conn);
}
// KeepAlive
if (conn.keepAliveCounter > KeepAliveTimeOut)
{
conn.keepAliveCounter = 0;
ctx.CreateEntity()
.AddSendPacket(conn.serverEP, new Packet(PacketType.KeepAlive, new byte[0]));
}
// Handle Fin
var finPackets = myPackets
.Where(recv => recv.packet.packetType == PacketType.Fin)
.Count();
if (finPackets > 0)
{
ctx.CreateEntity()
.AddSendPacket(conn.serverEP, new Packet(PacketType.FinAck, new byte[0]));
conn.state = State.Disconnected;
}
} break;
case State.TearDown: {
// Resend Fin
if (conn.timeoutCounter > TearDownTimeOut)
{
if (conn.retryTime > MaxTearDownRetry)
{
conn.state = State.Disconnected;
}
else
{
++conn.retryTime;
conn.timeoutCounter = 0;
SendFinPacket(conn);
}
}
// Handle FinAck
var finAckPackets = myPackets.Where(recv => recv.packet.packetType == PacketType.FinAck).Count();
if (finAckPackets > 0)
{
conn.state = State.Disconnected;
}
} break;
}
}
