/// <summary>
/// Unsubscribes from information earlier subscribed to. Topics can include wildcards.
/// </summary>
/// <param name="Topics">Topics</param>
/// <returns>Packet identifier assigned to unsubscription.</returns>
public ushort UNSUBSCRIBE(params string[] Topics)
{
BinaryOutput Payload = new BinaryOutput();
ushort PacketIdentifier;
PacketIdentifier = this.packetIdentifier++;
if (PacketIdentifier == 0)
{
PacketIdentifier = this.packetIdentifier++;
}
Payload.WriteUInt16(PacketIdentifier);
foreach (string Topic in Topics)
{
Payload.WriteString(Topic);
}
byte[] PayloadData = Payload.GetPacket();
BinaryOutput Packet = new BinaryOutput();
byte b = (byte)((int)MqttControlPacketType.UNSUBSCRIBE << 4);
b |= 2;
Packet.WriteByte(b);
Packet.WriteUInt((uint)PayloadData.Length);
Packet.WriteBytes(PayloadData);
byte[] PacketData = Packet.GetPacket();
this.BeginWrite(PacketData, PacketIdentifier);
return(PacketIdentifier);
}
private void P2pNetwork_OnPeerConnected(object Listener, PeerConnection Peer)
{
IPEndPoint Endpoint = (IPEndPoint)Peer.Tcp.Client.RemoteEndPoint;
#if LineListener
Console.Out.WriteLine("Receiving connection from " + Endpoint.ToString());
#endif
lock (this.remotePlayersByEndpoint)
{
if (!this.remotePlayerIPs.ContainsKey(Endpoint.Address))
{
Peer.Dispose();
return;
}
}
Peer.OnClosed += new EventHandler(Peer_OnClosed);
Peer.OnReceived += new BinaryEventHandler(Peer_OnReceived);
BinaryOutput Output = new BinaryOutput();
Output.WriteGuid(this.localPlayer.PlayerId);
Output.WriteString(this.ExternalEndpoint.Address.ToString());
Output.WriteUInt16((ushort)this.ExternalEndpoint.Port);
Peer.SendTcp(Output.GetPacket());
}
private void Serialize(Player Player, BinaryOutput Output)
{
Output.WriteString(Player.PublicEndpoint.Address.ToString());
Output.WriteUInt16((ushort)Player.PublicEndpoint.Port);
Output.WriteString(Player.LocalEndpoint.Address.ToString());
Output.WriteUInt16((ushort)Player.LocalEndpoint.Port);
Output.WriteGuid(Player.PlayerId);
Output.WriteUInt((uint)Player.Count);
foreach (KeyValuePair <string, string> P in Player)
{
Output.WriteString(P.Key);
Output.WriteString(P.Value);
}
}
private void PUBCOMP(ushort PacketIdentifier)
{
BinaryOutput Packet = new BinaryOutput();
Packet.WriteByte((byte)MqttControlPacketType.PUBCOMP << 4);
Packet.WriteUInt(2);
Packet.WriteUInt16(PacketIdentifier);
byte[] PacketData = Packet.GetPacket();
this.BeginWrite(PacketData, 0);
}
private ushort PUBLISH(string Topic, MqttQualityOfService QoS, bool Retain, bool Duplicate, byte[] Data)
{
BinaryOutput Payload = new BinaryOutput();
ushort PacketIdentifier;
Payload.WriteString(Topic);
if (QoS > MqttQualityOfService.AtMostOne)
{
PacketIdentifier = this.packetIdentifier++;
if (PacketIdentifier == 0)
{
PacketIdentifier = this.packetIdentifier++;
}
Payload.WriteUInt16(PacketIdentifier);
}
else
{
PacketIdentifier = 0;
}
Payload.WriteBytes(Data);
byte[] PayloadData = Payload.GetPacket();
BinaryOutput Packet = new BinaryOutput();
byte b = (byte)((int)MqttControlPacketType.PUBLISH << 4);
if (Duplicate)
{
b |= 8;
}
b |= (byte)((int)QoS << 1);
if (Retain)
{
b |= 1;
}
Packet.WriteByte(b);
Packet.WriteUInt((uint)PayloadData.Length);
Packet.WriteBytes(PayloadData);
byte[] PacketData = Packet.GetPacket();
this.BeginWrite(PacketData, PacketIdentifier);
return(PacketIdentifier);
}
/// <summary>
/// Subscribes to information from a set of topics. Topics can include wildcards.
/// </summary>
/// <param name="Topics">Topics together with Quality of Service levels for each topic.</param>
/// <returns>Packet identifier assigned to subscription.</returns>
public ushort SUBSCRIBE(params KeyValuePair <string, MqttQualityOfService>[] Topics)
{
BinaryOutput Payload = new BinaryOutput();
ushort PacketIdentifier;
PacketIdentifier = this.packetIdentifier++;
if (PacketIdentifier == 0)
{
PacketIdentifier = this.packetIdentifier++;
}
Payload.WriteUInt16(PacketIdentifier);
foreach (KeyValuePair <string, MqttQualityOfService> Pair in Topics)
{
Payload.WriteString(Pair.Key);
Payload.WriteByte((byte)Pair.Value);
}
byte[] PayloadData = Payload.GetPacket();
BinaryOutput Packet = new BinaryOutput();
byte b = (byte)((int)MqttControlPacketType.SUBSCRIBE << 4);
b |= 2;
Packet.WriteByte(b);
Packet.WriteUInt((uint)PayloadData.Length);
Packet.WriteBytes(PayloadData);
byte[] PacketData = Packet.GetPacket();
this.BeginWrite(PacketData, PacketIdentifier);
return(PacketIdentifier);
}
private void Connection_OnReceived(object Sender, byte[] Packet)
{
PeerConnection Connection = (PeerConnection)Sender;
Guid PlayerId;
IPAddress PlayerRemoteAddress;
IPEndPoint PlayerRemoteEndpoint;
try
{
BinaryInput Input = new BinaryInput(Packet);
PlayerId = Input.ReadGuid();
PlayerRemoteAddress = IPAddress.Parse(Input.ReadString());
PlayerRemoteEndpoint = new IPEndPoint(PlayerRemoteAddress, Input.ReadUInt16());
}
catch (Exception)
{
Connection.Dispose();
return;
}
Player Player = (Player)Connection.StateObject;
lock (this.remotePlayersByEndpoint)
{
if (!this.playersById.TryGetValue(PlayerId, out Player Player2) || Player2.PlayerId != Player.PlayerId)
{
Connection.Dispose();
return;
}
Player.Connection = Connection;
}
Connection.RemoteEndpoint = Player.GetExpectedEndpoint(this.p2pNetwork);
Connection.OnReceived -= new BinaryEventHandler(Connection_OnReceived);
Connection.OnReceived += new BinaryEventHandler(Peer_OnReceived);
Connection.OnSent += new BinaryEventHandler(Connection_OnSent);
BinaryOutput Output = new BinaryOutput();
Output.WriteGuid(this.localPlayer.PlayerId);
Output.WriteString(this.ExternalAddress.ToString());
Output.WriteUInt16((ushort)this.ExternalEndpoint.Port);
Connection.SendTcp(Output.GetPacket());
MultiPlayerEnvironmentPlayerInformationEventHandler h = this.OnPlayerConnected;
if (h != null)
{
try
{
h(this, Player);
}
catch (Exception ex)
{
Events.Log.Critical(ex);
}
}
}
private void PUBREL(ushort PacketIdentifier)
{
BinaryOutput Packet = new BinaryOutput();
Packet.WriteByte((byte)(((int)MqttControlPacketType.PUBREL << 4) | 2));
Packet.WriteUInt(2);
Packet.WriteUInt16(PacketIdentifier);
byte[] PacketData = Packet.GetPacket();
this.BeginWrite(PacketData, PacketIdentifier);
}
private ushort PUBLISH(string Topic, MqttQualityOfService QoS, bool Retain, bool Duplicate, byte[] Data)
{
BinaryOutput Payload = new BinaryOutput();
ushort PacketIdentifier;
Payload.WriteString(Topic);
if (QoS > MqttQualityOfService.AtMostOne)
{
PacketIdentifier = this.packetIdentifier++;
if (PacketIdentifier == 0)
PacketIdentifier = this.packetIdentifier++;
Payload.WriteUInt16(PacketIdentifier);
}
else
PacketIdentifier = 0;
Payload.WriteBytes(Data);
byte[] PayloadData = Payload.GetPacket();
BinaryOutput Packet = new BinaryOutput();
byte b = (byte)((int)MqttControlPacketType.PUBLISH << 4);
if (Duplicate)
b |= 8;
b |= (byte)((int)QoS << 1);
if (Retain)
b |= 1;
Packet.WriteByte(b);
Packet.WriteUInt((uint)PayloadData.Length);
Packet.WriteBytes(PayloadData);
byte[] PacketData = Packet.GetPacket();
this.BeginWrite(PacketData, PacketIdentifier);
return PacketIdentifier;
}
/// <summary>
/// Unsubscribes from information earlier subscribed to. Topics can include wildcards.
/// </summary>
/// <param name="Topics">Topics</param>
/// <returns>Packet identifier assigned to unsubscription.</returns>
public ushort UNSUBSCRIBE(params string[] Topics)
{
BinaryOutput Payload = new BinaryOutput();
ushort PacketIdentifier;
PacketIdentifier = this.packetIdentifier++;
if (PacketIdentifier == 0)
PacketIdentifier = this.packetIdentifier++;
Payload.WriteUInt16(PacketIdentifier);
foreach (string Topic in Topics)
Payload.WriteString(Topic);
byte[] PayloadData = Payload.GetPacket();
BinaryOutput Packet = new BinaryOutput();
byte b = (byte)((int)MqttControlPacketType.UNSUBSCRIBE << 4);
b |= 2;
Packet.WriteByte(b);
Packet.WriteUInt((uint)PayloadData.Length);
Packet.WriteBytes(PayloadData);
byte[] PacketData = Packet.GetPacket();
this.BeginWrite(PacketData, PacketIdentifier);
return PacketIdentifier;
}
/// <summary>
/// Subscribes to information from a set of topics. Topics can include wildcards.
/// </summary>
/// <param name="Topics">Topics together with Quality of Service levels for each topic.</param>
/// <returns>Packet identifier assigned to subscription.</returns>
public ushort SUBSCRIBE(params KeyValuePair<string, MqttQualityOfService>[] Topics)
{
BinaryOutput Payload = new BinaryOutput();
ushort PacketIdentifier;
PacketIdentifier = this.packetIdentifier++;
if (PacketIdentifier == 0)
PacketIdentifier = this.packetIdentifier++;
Payload.WriteUInt16(PacketIdentifier);
foreach (KeyValuePair<string, MqttQualityOfService> Pair in Topics)
{
Payload.WriteString(Pair.Key);
Payload.WriteByte((byte)Pair.Value);
}
byte[] PayloadData = Payload.GetPacket();
BinaryOutput Packet = new BinaryOutput();
byte b = (byte)((int)MqttControlPacketType.SUBSCRIBE << 4);
b |= 2;
Packet.WriteByte(b);
Packet.WriteUInt((uint)PayloadData.Length);
Packet.WriteBytes(PayloadData);
byte[] PacketData = Packet.GetPacket();
this.BeginWrite(PacketData, PacketIdentifier);
return PacketIdentifier;
}
private async Task <bool> Connection_OnReceived(object Sender, byte[] Buffer, int Offset, int Count)
{
PeerConnection Connection = (PeerConnection)Sender;
Guid PlayerId;
IPAddress PlayerRemoteAddress;
IPEndPoint PlayerRemoteEndpoint;
try
{
BinaryInput Input = new BinaryInput(BinaryTcpClient.ToArray(Buffer, Offset, Count));
PlayerId = Input.ReadGuid();
PlayerRemoteAddress = IPAddress.Parse(Input.ReadString());
PlayerRemoteEndpoint = new IPEndPoint(PlayerRemoteAddress, Input.ReadUInt16());
}
catch (Exception)
{
Connection.Dispose();
return(true);
}
Player Player = (Player)Connection.StateObject;
lock (this.remotePlayersByEndpoint)
{
if (!this.playersById.TryGetValue(PlayerId, out Player Player2) || Player2.PlayerId != Player.PlayerId)
{
Connection.Dispose();
return(true);
}
Player.Connection = Connection;
}
Connection.RemoteEndpoint = Player.GetExpectedEndpoint(this.p2pNetwork);
Connection.OnReceived -= this.Connection_OnReceived;
Connection.OnReceived += this.Peer_OnReceived;
Connection.OnSent += this.Connection_OnSent;
BinaryOutput Output = new BinaryOutput();
Output.WriteGuid(this.localPlayer.PlayerId);
Output.WriteString(this.ExternalAddress.ToString());
Output.WriteUInt16((ushort)this.ExternalEndpoint.Port);
await Connection.SendTcp(Output.GetPacket());
MultiPlayerEnvironmentPlayerInformationEventHandler h = this.OnPlayerConnected;
if (!(h is null))
{
try
{
await h(this, Player);
}
catch (Exception ex)
{
Log.Critical(ex);
}
}
return(true);
}