internal PlayerStateEvent(EventMessages msg, PlayerPayLoad ppl, bool on) : base(msg)
{
Player = ppl;
Online = on;
}
/// <summary>
/// Will compare the last status with the current one and return event updates.
/// </summary>
/// <returns></returns>
public EventBase[] Update()
{
// event-queue
var events = new List <EventBase>();
var isFirst = last == null;
var current = Base.GetLatestServerInfo();
if (current != null)
{
// if first info, or last success was different from this (either went online or went offline) => invoke
if (NotifyServer && (isFirst || last.HadSuccess != current.HadSuccess))
{
Debug.WriteLine("Server '" + Base.Address + ":" + Base.Port + "' status change: " + current.HadSuccess);
var errMsg = current.LastError != null ? "Connection Failed: " + current.LastError.GetType().Name : "";
events.Add(new OnlineStatusEvent(current.HadSuccess, current.HadSuccess ? current.ServerMotd : errMsg));
}
// if first info, or last player count was different (player went online or offline) => invoke
if (NotifyCount)
{
var diff = isFirst
? current.CurrentPlayerCount
: current.CurrentPlayerCount - last.CurrentPlayerCount;
if (diff != 0)
{
Debug.WriteLine("Server '" + Base.Address + ":" + Base.Port + "' count change: " + diff);
events.Add(new PlayerChangeEvent(diff));
}
}
// check current list for new players
var onlineIds = new List <string>();
if (current.OnlinePlayers != null)
{
foreach (var p in current.OnlinePlayers)
{
// save online user id temporarily
if (!onlineIds.Contains(p.Id))
{
onlineIds.Add(p.Id);
}
// register name
userNames[p.Id] = p.Name;
// if notify and user has state and last state was offline and user is watched, notify change
if (NotifyNames && (!userStates.ContainsKey(p.Id) || !userStates[p.Id]))
{
events.Add(new PlayerStateEvent(p, true));
}
// register state or set to true
userStates[p.Id] = true;
}
}
// this needs to be done to avoid ElementChangedException
var keys = userStates.Keys.ToArray();
// check all states for players who went offline
foreach (var k in keys)
{
if (!userStates[k] || onlineIds.Contains(k))
{
continue;
}
// if user state still true, but he is not in online list => went offline
userStates[k] = false;
// create payload
var p = new PlayerPayLoad {
Id = k, RawName = userNames[k]
};
// notify => invoke
if (NotifyNames)
{
events.Add(new PlayerStateEvent(p, false));
}
}
}
// set new last
last = current;
ApplyServerInfo(current);
return(events.ToArray());
}
protected override async Task <ServerInfoBase> Get(CancellationToken ct, DateTime startPing, Stopwatch pingTime, TcpClient client, NetworkStream stream)
{
var _offset = 0;
var writeBuffer = new List <byte>();
WriteVarInt(writeBuffer, Proto);
WriteString(writeBuffer, address);
WriteShort(writeBuffer, Convert.ToInt16(port));
WriteVarInt(writeBuffer, 1);
Flush(ct, writeBuffer, stream, 0);
// yep, twice.
Flush(ct, writeBuffer, stream, 0);
var readBuffer = new byte[BufferSize];
await stream.ReadAsync(readBuffer, 0, readBuffer.Length, ct);
// done
stream.Close();
client.Close();
// IF an IOException arises here, thie server is probably not a minecraft-one
var length = ReadVarInt(ref _offset, readBuffer);
var packet = ReadVarInt(ref _offset, readBuffer);
var jsonLength = ReadVarInt(ref _offset, readBuffer);
var json = ReadString(ref _offset, readBuffer, jsonLength);
dynamic ping = JsonConvert.DeserializeObject(json);
var sample = new List <PlayerPayLoad>();
if (json.Contains("\"sample\":["))
{
try
{
foreach (dynamic key in ping.players.sample)
{
if (key.id == null || key.name == null)
{
continue;
}
var plr = new PlayerPayLoad()
{
Id = key.id, RawName = key.name
};
sample.Add(plr);
}
}
catch (Exception e)
{
Program.WriteLine("Error when sample processing: " + e.ToString());
}
}
var desc = "";
if (json.Contains("\"description\":{\""))
{
try
{
desc = (string)ping.description.text;
}
catch (Exception e)
{
Program.WriteLine("Error description text: " + e.ToString());
}
}
if (string.IsNullOrEmpty(desc))
{
try
{
desc = (string)ping.description;
}
catch (Exception ex)
{
Program.WriteLine("Error description text: " + ex.ToString());
}
}
if (string.IsNullOrEmpty(desc))
{
throw new FormatException("Empty description!");
}
return(new ServerInfoBase(startPing, pingTime.ElapsedMilliseconds, desc, (int)ping.players.max, (int)ping.players.online, (string)ping.version.name, sample));
}
protected override async Task <ServerInfoBase> Get(CancellationToken ct, DateTime startPing, Stopwatch pingTime, TcpClient client, NetworkStream stream)
{
var _offset = 0;
var writeBuffer = new List <byte>();
WriteVarInt(writeBuffer, Proto);
WriteString(writeBuffer, address);
WriteShort(writeBuffer, Convert.ToInt16(port));
WriteVarInt(writeBuffer, 1);
Flush(ct, writeBuffer, stream, 0);
// yep, twice.
Flush(ct, writeBuffer, stream, 0);
var readBuffer = new byte[BufferSize];
await stream.ReadAsync(readBuffer, 0, readBuffer.Length, ct);
// done
stream.Close();
client.Close();
// IF an IOException arises here, thie server is probably not a minecraft-one
var length = ReadVarInt(ref _offset, readBuffer);
var packet = ReadVarInt(ref _offset, readBuffer);
var jsonLength = ReadVarInt(ref _offset, readBuffer);
var json = ReadString(ref _offset, readBuffer, jsonLength);
dynamic ping = JsonConvert.DeserializeObject(json);
// parse player sample
var sample = new List <PlayerPayLoad>();
if (json.Contains("\"sample\":["))
{
try
{
foreach (dynamic key in ping.players.sample)
{
if (key.id == null || key.name == null)
{
continue;
}
var plr = new PlayerPayLoad()
{
Id = key.id, RawName = key.name
};
sample.Add(plr);
}
}
catch (Exception e)
{
Logger.WriteLine("Error when sample processing: " + e.ToString(), Types.LogLevel.Debug);
}
}
// parse favicon
Bitmap image = null;
if (json.Contains("\"favicon\":\""))
{
try
{
var hdr = "data:image/png;base64,";
var imgStr = (string)ping.favicon;
if (!imgStr.StartsWith(hdr))
{
throw new Exception("Unkown Format");
}
byte[] imgData = Convert.FromBase64String(imgStr.Substring(hdr.Length));
using (var imgStream = new MemoryStream(imgData, 0, imgData.Length))
image = new Bitmap(imgStream);
}
catch (Exception ie)
{
Logger.WriteLine("Error parsing favicon: " + ie.ToString(), Types.LogLevel.Debug);
}
}
// parse MOTD/description
var desc = "";
if (json.Contains("\"description\":{\""))
{
try
{
desc = (string)ping.description.text;
}
catch (Exception e)
{
Logger.WriteLine("Error description.text: " + e.ToString(), Types.LogLevel.Debug);
}
}
if (string.IsNullOrEmpty(desc))
{
try
{
desc = (string)ping.description;
}
catch (Exception ex)
{
Logger.WriteLine("Error description: " + ex.ToString(), Types.LogLevel.Debug);
}
}
if (string.IsNullOrEmpty(desc))
{
throw new FormatException("Empty description!");
}
return(new ServerInfoBase(startPing, pingTime.ElapsedMilliseconds, desc, (int)ping.players.max, (int)ping.players.online, (string)ping.version.name, image, sample));
}
public PlayerStateEvent(PlayerPayLoad ppl, bool on)
{
Player = ppl;
Online = on;
}
