void GetPackets() {
Packet p;
try {
while (!stop) {
var succ = comm.ReceivePacket(out p);
if (succ == PacketCommunicatorReceiveResult.Timeout) {
DumpPackets();
continue;
}
else if (succ == PacketCommunicatorReceiveResult.BreakLoop)
break;
var ip = p.Ethernet.IpV4;
var tcp = ip.Tcp;
var data = tcp.Payload.ToMemoryStream();
if (data.Length == 0) {
#if DEBUG
//Console.WriteLine("Dropped packet of length 0");
#endif
continue;
}
#if DEBUG
//Console.WriteLine($"Caught packet of length {data.Length} from {ip.Source}");
//Console.WriteLine($"SEQ: {tcp.SequenceNumber}, ACK: {tcp.AcknowledgmentNumber}, Time: {p.Timestamp.Ticks}");
#endif
var inc = IsIncoming(ip);
var isl = IsLogin(tcp, inc);
var isw = IsWorld(tcp, inc);
var isc = IsChat(tcp, inc);
var isa = IsAuction(tcp, inc);
ushort port = (inc)
? tcp.SourcePort
: tcp.DestinationPort;
ushort lport = (inc)
? tcp.DestinationPort
: tcp.SourcePort;
if (!clientCrypt.ContainsKey(port) || ((isl && lport != ports[0]) || (isw && lport != ports[1]) || (isc && lport != ports[2] || (isa && lport != ports[3])))) {
#if DEBUG
Console.WriteLine($"Creating new encryption instances for [{ip.Source} - {ip.Destination}]");
#endif
clientCrypt[port] = new Cryption.Client();
serverCrypt[port] = new Cryption.Server();
if (isl) {
ports[0] = lport;
partil = null;
partol = null;
}
else if (isw) {
ports[1] = lport;
partiw = null;
partow = null;
}
else if (isc) {
ports[2] = lport;
partic = null;
partoc = null;
}
else {
ports[3] = lport;
partia = null;
partoa = null;
}
}
var daemon =
(isl) ? PacketInfo.Daemon.Login :
(isw) ? PacketInfo.Daemon.World :
(isc) ? PacketInfo.Daemon.Chat :
PacketInfo.Daemon.Auction;
AddPacket(tcp, inc, daemon, port);
}
}
catch (Exception) { }
}
void GetPackets()
{
Packet p;
try {
while (!stop)
{
var succ = comm.ReceivePacket(out p);
if (succ == PacketCommunicatorReceiveResult.Timeout)
{
DumpPackets();
continue;
}
else if (succ == PacketCommunicatorReceiveResult.BreakLoop)
{
break;
}
var ip = p.Ethernet.IpV4;
var tcp = ip.Tcp;
var data = tcp.Payload.ToMemoryStream();
if (data.Length == 0)
{
#if DEBUG
//Console.WriteLine("Dropped packet of length 0");
#endif
continue;
}
#if DEBUG
//Console.WriteLine($"Caught packet of length {data.Length} from {ip.Source}");
//Console.WriteLine($"SEQ: {tcp.SequenceNumber}, ACK: {tcp.AcknowledgmentNumber}, Time: {p.Timestamp.Ticks}");
#endif
var inc = IsIncoming(ip);
var isl = IsLogin(tcp, inc);
var isw = IsWorld(tcp, inc);
var isc = IsChat(tcp, inc);
var isa = IsAuction(tcp, inc);
ushort port = (inc)
? tcp.SourcePort
: tcp.DestinationPort;
ushort lport = (inc)
? tcp.DestinationPort
: tcp.SourcePort;
if (!clientCrypt.ContainsKey(port) || ((isl && lport != ports[0]) || (isw && lport != ports[1]) || (isc && lport != ports[2] || (isa && lport != ports[3]))))
{
#if DEBUG
Console.WriteLine($"Creating new encryption instances for [{ip.Source} - {ip.Destination}]");
#endif
clientCrypt[port] = new Cryption.Client();
serverCrypt[port] = new Cryption.Server();
if (isl)
{
ports[0] = lport;
partil = null;
partol = null;
}
else if (isw)
{
ports[1] = lport;
partiw = null;
partow = null;
}
else if (isc)
{
ports[2] = lport;
partic = null;
partoc = null;
}
else
{
ports[3] = lport;
partia = null;
partoa = null;
}
}
var daemon =
(isl) ? PacketInfo.Daemon.Login :
(isw) ? PacketInfo.Daemon.World :
(isc) ? PacketInfo.Daemon.Chat :
PacketInfo.Daemon.Auction;
AddPacket(tcp, inc, daemon, port);
}
}
catch (Exception) { }
}
