public bool Connect(LocationData location)
{
if (location.UserID == Network.Local.UserID && location.Source.ClientID == Network.Local.ClientID)
return false;
ulong id = location.UserID ^ location.Source.ClientID;
if (SessionMap.ContainsKey(id))
return SessionMap[id].Status != SessionStatus.Closed;
RudpSession session = new RudpSession(this, location.UserID, location.Source.ClientID, false);
SessionMap[id] = session;
session.Comm.AddAddress(new RudpAddress(new DhtAddress(location.IP, location.Source)));
foreach (DhtAddress address in location.Proxies)
session.Comm.AddAddress(new RudpAddress(address));
foreach (DhtAddress server in location.TunnelServers)
session.Comm.AddAddress(new RudpAddress(new DhtContact(location.Source, location.IP, location.TunnelClient, server)));
session.Connect();
return true;
}
public static LocationData Decode(byte[] data)
{
G2Header root = new G2Header(data);
G2Protocol.ReadPacket(root);
if (root.Name != LocationPacket.Data)
{
return(null);
}
LocationData loc = new LocationData();
G2Header child = new G2Header(root.Data);
while (G2Protocol.ReadNextChild(root, child) == G2ReadResult.PACKET_GOOD)
{
if (!G2Protocol.ReadPayload(child))
{
continue;
}
switch (child.Name)
{
case Packet_Key:
loc.Key = Utilities.ExtractBytes(child.Data, child.PayloadPos, child.PayloadSize);
loc.UserID = Utilities.KeytoID(loc.Key);
break;
case Packet_Source:
loc.Source = DhtSource.ReadPacket(child);
loc.UserID = loc.Source.UserID; // encode light doesnt send full key
break;
case Packet_IP:
loc.IP = new IPAddress(Utilities.ExtractBytes(child.Data, child.PayloadPos, child.PayloadSize));
break;
case Packet_Proxies:
loc.Proxies.Add(DhtAddress.ReadPacket(child));
break;
case Packet_Name:
loc.Name = UTF8Encoding.UTF8.GetString(child.Data, child.PayloadPos, child.PayloadSize);
break;
case Packet_Place:
loc.Place = UTF8Encoding.UTF8.GetString(child.Data, child.PayloadPos, child.PayloadSize);
break;
case Packet_Version:
loc.Version = CompactNum.ToUInt32(child.Data, child.PayloadPos, child.PayloadSize);
break;
case Packet_GMTOffset:
loc.GmtOffset = BitConverter.ToInt32(child.Data, child.PayloadPos);
break;
case Packet_Away:
loc.Away = BitConverter.ToBoolean(child.Data, child.PayloadPos);
break;
case Packet_AwayMsg:
loc.AwayMessage = UTF8Encoding.UTF8.GetString(child.Data, child.PayloadPos, child.PayloadSize);
break;
case Packet_Tag:
loc.Tags.Add(PatchTag.FromBytes(child.Data, child.PayloadPos, child.PayloadSize));
break;
case Packet_TunnelClient:
loc.TunnelClient = TunnelAddress.FromBytes(child.Data, child.PayloadPos);
break;
case Packet_TunnelServers:
loc.TunnelServers.Add(DhtAddress.ReadPacket(child));
break;
}
}
return(loc);
}
public static LocationData Decode(byte[] data)
{
G2Header root = new G2Header(data);
G2Protocol.ReadPacket(root);
if (root.Name != LocationPacket.Data)
return null;
LocationData loc = new LocationData();
G2Header child = new G2Header(root.Data);
while (G2Protocol.ReadNextChild(root, child) == G2ReadResult.PACKET_GOOD)
{
if (!G2Protocol.ReadPayload(child))
continue;
switch (child.Name)
{
case Packet_Key:
loc.Key = Utilities.ExtractBytes(child.Data, child.PayloadPos, child.PayloadSize);
loc.UserID = Utilities.KeytoID(loc.Key);
break;
case Packet_Source:
loc.Source = DhtSource.ReadPacket(child);
loc.UserID = loc.Source.UserID; // encode light doesnt send full key
break;
case Packet_IP:
loc.IP = new IPAddress(Utilities.ExtractBytes(child.Data, child.PayloadPos, child.PayloadSize));
break;
case Packet_Proxies:
loc.Proxies.Add( DhtAddress.ReadPacket(child) );
break;
case Packet_Name:
loc.Name = UTF8Encoding.UTF8.GetString(child.Data, child.PayloadPos, child.PayloadSize);
break;
case Packet_Place:
loc.Place = UTF8Encoding.UTF8.GetString(child.Data, child.PayloadPos, child.PayloadSize);
break;
case Packet_Version:
loc.Version = CompactNum.ToUInt32(child.Data, child.PayloadPos, child.PayloadSize);
break;
case Packet_GMTOffset:
loc.GmtOffset = BitConverter.ToInt32(child.Data, child.PayloadPos);
break;
case Packet_Away:
loc.Away = BitConverter.ToBoolean(child.Data, child.PayloadPos);
break;
case Packet_AwayMsg:
loc.AwayMessage = UTF8Encoding.UTF8.GetString(child.Data, child.PayloadPos, child.PayloadSize);
break;
case Packet_Tag:
loc.Tags.Add(PatchTag.FromBytes(child.Data, child.PayloadPos, child.PayloadSize));
break;
case Packet_TunnelClient:
loc.TunnelClient = TunnelAddress.FromBytes(child.Data, child.PayloadPos);
break;
case Packet_TunnelServers:
loc.TunnelServers.Add(DhtAddress.ReadPacket(child));
break;
}
}
return loc;
}
public void Location_Update(LocationData location)
{
if (!ActiveUsers.Contains(location.UserID))
return;
IMStatus status = null;
if (!IMMap.SafeTryGetValue(location.UserID, out status))
return;
Network.RudpControl.Connect(location);
Update(status);
}
} // used only for InternalData debugging
public ClientInfo(LocationData data) :
base(data.UserID, data.Source.ClientID)
{
}
private void Process_LocationData(DataReq data, SignedData signed, LocationData location)
{
Core.IndexKey(location.UserID, ref location.Key);
Debug.Assert(location.UserID == location.Source.UserID);
if (location.UserID != location.Source.UserID)
{
return;
}
ClientInfo client = GetLocationInfo(location.UserID, location.Source.ClientID);
// check location version
if (client != null)
{
if (location.Version == client.Data.Version)
{
return;
}
else if (location.Version < client.Data.Version)
{
if (data != null && data.Source != null)
{
Network.Store.Send_StoreReq(data.Source, data.LocalProxy, new DataReq(null, client.Data.UserID, ServiceID, 0, client.SignedData));
}
return;
}
}
Core.IndexName(location.UserID, location.Name);
// notify components of new versions (usually just localsync service signed up for this)
DhtAddress address = new DhtAddress(location.IP, location.Source);
foreach (PatchTag tag in location.Tags)
{
if (TagReceived.Contains(tag.Service, tag.DataType))
{
TagReceived[tag.Service, tag.DataType].Invoke(address, location.UserID, tag.Tag);
}
}
// add location
if (client == null)
{
// if too many clients, and not us, return
if (location.UserID != Core.UserID && ActiveClientCount(location.UserID) > MaxClientsperUser)
{
return;
}
client = new ClientInfo(location);
Clients.SafeAdd(client.RoutingID, client);
// dont need to worry about remote caching old locs indefinitely because if a loc is cached remotely
// that means the remote is being continuall pinged, or else the loc would expire
// if we're still interested in loc after a min, it will be pinged locally
}
client.Data = location;
client.SignedData = signed.Encode(Network.Protocol);
if (client.Data.UserID == Core.UserID && client.Data.Source.ClientID == Network.Local.ClientID)
{
LocalClient = client;
}
AddRoutingData(location);
// only get down here if loc was new version in first place (recently published)
// with live comm trickle down this prevents highers from being direct ping flooded to find their
// online status
client.LastSeen = Core.TimeNow;
SignalUpdate(client, true);
}