public void Received(Packet p, int packetId)
{
try
{
if (p is PingPacket)
{
lightClient.startPingStopwatch();
lightClient.sendObject(new PongPacket(), false);
}
else if (p is PingReceive)
{
lightClient.endPingStopwatch();
lightClient.LoggerInstance.Debug("Ping: {0}", lightClient.getPingTime().Milliseconds + "ms");
}
else if (p is IllegalConnectionPacket)
{
lightClient.LoggerInstance.Info(((IllegalConnectionPacket)p).message);
lightClient.disconnect(ServerDisconnectEvent.DisconnectStatus.CONNECTION_LOST);
}
else if (p is InitialHandshakePacket)
{
// Handles object encryption key sharing
var packet = (InitialHandshakePacket)p;
var versionData = packet.getVersionData();
var versionRange = StaticHandler.getVersionRangeStatus(versionData);
if (versionRange == StaticHandler.VersionRange.MATCH_REQUIREMENTS)
{
lightClient.LoggerInstance.Info("Version range requirements match Server version.");
}
else
{
// Current version is smaller than the server's required minimum
if (versionRange == StaticHandler.VersionRange.WE_ARE_LOWER)
{
lightClient.LoggerInstance
.Info(
"The client version ({0}) does not meet server's minimum version ({1}) requirements. Expect incompatibility issues",
StaticHandler.VERSION_DATA.Version.ToString(), versionData.MinVersion.ToString());
}
// Current version is larger than server's minimum version
if (versionRange == StaticHandler.VersionRange.WE_ARE_HIGHER)
{
lightClient.LoggerInstance
.Info(
"The server version ({0}) does not meet client's minimum version ({1}) requirements. Expect incompatibility issues",
versionData.Version.ToString(), StaticHandler.VERSION_DATA.MinVersion.ToString());
}
}
var secretKey = EncryptionUtil.generateAESProvider();
// TODO: Remove this debug
string debug = "Using key " + string.Join(",", secretKey.Key) + " base64:" + Convert.ToBase64String(secretKey.Key);
StaticHandler.Core.Logger.Debug(debug);
lightClient.setSecretKey(secretKey);
var responsePacket = new KeyResponsePacket(secretKey, packet.getPublicKey());
lightClient.sendObject(responsePacket, false);
lightClient.callEvent(new ServerConnectHandshakeEvent(lightClient.Channel));
}
else if (p is RequestConnectInfoPacket)
{
var connectedPacket = lightClient.buildConnectedPacket();
lightClient.sendObject(connectedPacket).ConfigureAwait(false);
StaticHandler.Core.Logger.Info("Sent the connection Packet for request");
}
else if (p is SelfMessagePacket)
{
switch (((SelfMessagePacket)p).type)
{
case SelfMessagePacket.MessageType.TIMED_OUT_REGISTRATION:
lightClient.LoggerInstance.Info("Timed out on registering.");
lightClient.disconnect(ServerDisconnectEvent.DisconnectStatus.TIMEOUT);
break;
case SelfMessagePacket.MessageType.REGISTER_PACKET:
lightClient.registered = true;
lightClient.LoggerInstance.Info("Successfully connected to server");
lightClient.callEvent(new ServerConnectFinishEvent(lightClient.Channel));
break;
case SelfMessagePacket.MessageType.LOST_SERVER_CONNECTION:
lightClient.LoggerInstance.Info("Lost connection to server! Must have shutdown!");
lightClient.disconnect(ServerDisconnectEvent.DisconnectStatus.CONNECTION_LOST);
break;
}
}
foreach (var iPacketHandler in lightClient.getPacketHandlers())
{
Task.Run(() =>
{
try
{
iPacketHandler.handlePacket(p, packetId);
}
catch (Exception e)
{
throw ExceptionUtil.throwParsePacketException(e, p);
}
});
}
}
catch (ParsePacketException ignored)
{
throw;
}
catch (Exception e)
{
throw ExceptionUtil.throwParsePacketException(e, p);
}
}
