private void AcceptCallback(IAsyncResult ar)
{
LoginSocketState state = (LoginSocketState)ar.AsyncState;
try
{
Socket client = state.Socket.EndAccept(ar);
Thread.Sleep(1);
if (state.Type == LoginSocketState.SocketType.Client)
{
_clientManagerReset.Set();
}
else if (state.Type == LoginSocketState.SocketType.Search)
{
_searchManagerReset.Set();
}
state.Socket = client;
Logger.Info($"[{state.Type}] New Client: { ((IPEndPoint)state.Socket.RemoteEndPoint).Address}:{((IPEndPoint)state.Socket.RemoteEndPoint).Port}");
if (state.Type == LoginSocketState.SocketType.Client)
{
// ClientManager server sends data first
byte[] buffer = LoginServerMessages.GenerateServerChallenge(ref state);
SendToClient(ref state, buffer);
if (state != null)
{
state.State++;
}
}
else if (state.Type == LoginSocketState.SocketType.Search)
{
// SearchManager server waits for data first
}
}
catch (NullReferenceException)
{
if (state != null)
{
state.Dispose();
}
state = null;
}
catch (SocketException e)
{
Logger.Error(e, $"Error accepting client. SocketErrorCode: {e.SocketErrorCode}");
if (state != null)
{
state.Dispose();
}
state = null;
return;
}
WaitForData(ref state);
}
private void KeepAliveCallback(object s)
{
LoginServer server = (LoginServer)s;
try
{
if (_keepAliveTimer == null)
{
Dispose();
return;
}
LoginSocketState state = this;
HeartbeatState++;
Console.WriteLine("sending keep alive");
if (!server.SendToClient(ref state, LoginServerMessages.SendKeepAlive()))
{
Dispose();
return;
}
// every 2nd keep alive request, we send an additional heartbeat
if (HeartbeatState % 2 == 0)
{
Console.WriteLine("sending heartbeat");
if (!server.SendToClient(ref state, LoginServerMessages.SendHeartbeat()))
{
Dispose();
return;
}
}
}
catch (Exception e)
{
logger.Error(e, "Error running keep alive");
Dispose();
}
}
private void HandleSearchManager(ref LoginSocketState state, string query, Dictionary <string, string> keyValues)
{
if (state.State == 0)
{
if (query.Equals("nicks", StringComparison.InvariantCultureIgnoreCase))
{
SendToClient(ref state, LoginServerMessages.SendNicks(ref state, keyValues));
}
else if (query.Equals("check", StringComparison.InvariantCultureIgnoreCase))
{
SendToClient(ref state, LoginServerMessages.SendCheck(ref state, keyValues));
}
}
else if (state.State == 1)
{
state.State++;
}
else if (state.State >= 2)
{
state.Dispose();
}
}
private void HandleClientManager(ref LoginSocketState state, string query, Dictionary <string, string> keyValues)
{
if (state == null || String.IsNullOrWhiteSpace(query) || keyValues == null)
{
return;
}
if (state.State >= 4)
{
state.Dispose();
}
else
{
switch (query)
{
case "login":
SendToClient(ref state, LoginServerMessages.SendProof(ref state, keyValues));
Users[state.ProfileId] = state;
state.StartKeepAlive(this);
break;
case "newuser":
SendToClient(ref state, LoginServerMessages.NewUser(ref state, keyValues));
break;
case "addbuddy":
// \\addbuddy\\\\sesskey\\51437\\newprofileid\\1\\reason\\just be my friend
var newFriendId = long.Parse(keyValues["newprofileid"]);
if (Database.MainDBInstance.AddFriend(state.ProfileId, newFriendId))
{
//var signature = (state.ProfileId.ToString() + newFriendId.ToString()).ToMD5();
// "\\bm\\%d\\f\\%d\\msg\\%s|signed|%s",GPI_BM_REQUEST,profileid,reason,signature);
//SendToClient(ref state, $@"\bm\2\f\{newFriendId}\msg\{keyValues["reason"]}|signed|{signature}".ToAssciiBytes());
if (Users.TryGetValue(newFriendId, out LoginSocketState friendState))
{
SendToClient(ref friendState, $@"\bm\100\f\{state.ProfileId}\msg\|s|{state.Status}{state.GetLSParameter()}|ss|{state.StatusString}\final\".ToAssciiBytes());
SendToClient(ref state, $@"\bm\100\f\{newFriendId}\msg\|s|{friendState.Status}{friendState.GetLSParameter()}|ss|{friendState.StatusString}\final\".ToAssciiBytes());
}
else
{
SendToClient(ref state, $@"\bm\100\f\{newFriendId}\msg\|s|0|ss|Offline\final\".ToAssciiBytes());
}
}
break;
case "delbuddy":
// \delbuddy\\sesskey\51437\delprofileid\1
Database.MainDBInstance.RemoveFriend(state.ProfileId, long.Parse(keyValues["delprofileid"]));
break;
case "getprofile":
SendToClient(ref state, LoginServerMessages.SendProfile(ref state, keyValues));
break;
case "updatepro":
//LoginServerMessages.UpdateProfile(ref state, keyValues);
break;
case "status":
var remoteEndPoint = ((IPEndPoint)state.Socket.RemoteEndPoint);
var profile = Database.MainDBInstance.GetProfileById(state.ProfileId);
if (profile == null)
{
return;
}
var friends = profile.Friends ?? new List <long>();
SendToClient(ref state, $@"\bdy\{friends.Count + 1}\list\{string.Join(",",friends.Concat(new long[] { profile.Id }))}\final\".ToAssciiBytes());
// var loopbackIp = (uint)IPAddress.NetworkToHostOrder((int)IPAddress.Loopback.Address);
// var loopbackIp = ReverseEndian32((uint)IPAddress.NetworkToHostOrder((int)IPAddress.Parse("192.168.159.128").Address));
// var port = ReverseEndian16(27900);
state.Status = keyValues.GetOrDefault("status") ?? state.Status ?? "0";
state.StatusString = keyValues.GetOrDefault("statstring") ?? state.StatusString ?? "Offline";
state.LocString = keyValues.GetOrDefault("locstring") ?? state.LocString ?? "-1";
//SendToClient(ref state, $@"\bm\100\f\{profile.Id}\msg\|s|{1}|ss|DXP{"|ls|"}{-1}|ip|{loopbackIp}|p|{port}|qm|{0}\final\".ToAssciiBytes());
var statusResult = $@"\bm\100\f\{profile.Id}\msg\|s|{state.Status}{state.GetLSParameter()}|ss|{state.StatusString}\final\".ToAssciiBytes();
SendToClient(ref state, statusResult);
for (int i = 0; i < friends.Count; i++)
{
var friendId = friends[i];
if (Users.TryGetValue(friendId, out LoginSocketState friendState))
{
SendToClient(ref friendState, statusResult);
//SendToClient(ref state, $@"\bm\100\f\{friendId}\msg\|s|{1}|ss|DXP|ls|-1\final\".ToAssciiBytes());
SendToClient(ref state, $@"\bm\100\f\{friendId}\msg\|s|{friendState.Status}{friendState.GetLSParameter()}|ss|{friendState.StatusString}\final\".ToAssciiBytes());
}
else
{
SendToClient(ref state, $@"\bm\100\f\{friendId}\msg\|s|0|ss|Offline\final\".ToAssciiBytes());
}
}
// \status\1\sesskey\17562\statstring\DXP\locstring\-1
// userid\200000003\profileid\100000003\uniquenick\Bambochuk
//sendBuddies()
// SendToClient(ref state, $@"\bdy\1\list\100000003\final\".ToAssciiBytes());
//SendToClient(ref state, $@"\bdy\0\list\\final\".ToAssciiBytes());
// TODO: sendAddRequests();
//sendStatusUpdateToBuddies(this);
// send self status
// |s|%d|ss|%s%s%s|ip|%d|p|%d|qm|%d
/*
* c->status,
* c->statusstr,
* c->locstr[0] != 0 ? "|ls|" : "",
* c->locstr,
* reverse_endian32(c->ip),
* reverse_endian16(c->port),
* c->quietflags
*/
// SendToClient(ref state, $@"\bm\100\f\100000003\msg\|s|{2}|ss|DXP{"|ls|"}{-1}|ip|{(uint)IPAddress.NetworkToHostOrder((int)IPAddress.Loopback.Address)}|p|{ReverseEndian16(6500)}|qm|{0}\final\".ToAssciiBytes());
//SendToClient(ref state, $@"\bm\100\f\100000002\msg\|s|0|ss|Offline\final\".ToAssciiBytes());
//SendToClient(ref state, $@"\bm\100\f\100000001\msg\|s|{1}|ss|DXP{"|ls|"}{-1}|ip|{(uint)IPAddress.NetworkToHostOrder((int)remoteEndPoint.Address.Address)}|p|{ReverseEndian16(6500)}|qm|{0}\final\".ToAssciiBytes());
// send friend status
break;
case "logout":
Users.TryRemove(state.ProfileId, out LoginSocketState removingState);
LoginServerMessages.Logout(ref state, keyValues);
break;
case "registernick":
SendToClient(ref state, DataFunctions.StringToBytes(string.Format(@"\rn\{0}\id\{1}\final\", keyValues["uniquenick"], keyValues["id"])));
break;
case "ka":
SendToClient(ref state, $@"\ka\\final\".ToAssciiBytes());
break;
default:
break;
}
}
}
