void Session_Data(RudpSession session, byte[] data)
{
G2Header root = new G2Header(data);
if (G2Protocol.ReadPacket(root))
{
switch (root.Name)
{
case ChatPacket.Data:
ReceiveMessage(ChatText.Decode(root), session);
break;
case ChatPacket.Status:
ReceiveStatus(ChatStatus.Decode(root), session);
break;
case ChatPacket.Invite:
ReceiveInvite(ChatInvite.Decode(root), session);
break;
case ChatPacket.Who:
ReceiveWho(ChatWho.Decode(root), session);
break;
}
}
}
void SendWhoResponse(ChatRoom room, RudpSession session)
{
Debug.Assert(!IsCommandRoom(room.Kind));
List <ChatWho> whoPackets = new List <ChatWho>();
ChatWho who = new ChatWho();
who.RoomID = room.RoomID;
whoPackets.Add(who);
room.Members.LockReading(delegate()
{
foreach (ulong id in room.Members)
{
if (Network.RudpControl.GetActiveSessions(id).Count > 0) // only send members who are connected
{
who.Members.Add(id);
if (who.Members.Count > 40) // 40 * 8 = 320 bytes
{
who = new ChatWho();
who.RoomID = room.RoomID;
whoPackets.Add(who);
}
}
}
});
// send who to already connected locations
foreach (ChatWho packet in whoPackets)
{
session.SendData(ServiceID, 0, packet);
}
}
void SendWhoRequest(ChatRoom room, RudpSession session)
{
ChatWho whoReq = new ChatWho();
whoReq.Request = true;
whoReq.RoomID = room.RoomID;
session.SendData(ServiceID, 0, whoReq);
}
void ReceiveWho(ChatWho who, RudpSession session)
{
// if in room
ChatRoom room;
// if not in room, send status
if (!RoomMap.TryGetValue(who.RoomID, out room))
{
SendStatus(session);
return;
}
// if room not public, and not from verified private room member or host, igonre
if (IsCommandRoom(room.Kind) || (room.Kind == RoomKind.Secret && !room.Verified.ContainsKey(session.UserID)))
{
return;
}
if (!room.Active)
{
return;
}
// if requset
if (who.Request)
{
SendWhoResponse(room, session);
}
// if reply
else
{
// add members to our own list
foreach (ulong id in who.Members)
{
if (!room.Members.SafeContains(id))
{
room.AddMember(id);
if (Trust != null && Trust.GetTrust(id) == null)
{
Trust.Research(id, 0, false);
}
Core.Locations.Research(id);
}
}
// connect to new members
ConnectRoom(room);
}
}
public static ChatWho Decode(G2Header root)
{
ChatWho who = new ChatWho();
G2Protocol.ResetPacket(root);
G2Header child = new G2Header(root.Data);
while (G2Protocol.ReadNextChild(root, child) == G2ReadResult.PACKET_GOOD)
{
if (!G2Protocol.ReadPayload(child))
{
continue;
}
switch (child.Name)
{
case Packet_Request:
who.Request = BitConverter.ToBoolean(child.Data, child.PayloadPos);
break;
case Packet_RoomID:
who.RoomID = BitConverter.ToUInt64(child.Data, child.PayloadPos);
break;
case Packet_Members:
if (child.PayloadSize % 8 == 0)
{
int offset = 0;
while (offset < child.PayloadSize)
{
UInt64 id = BitConverter.ToUInt64(child.Data, child.PayloadPos + offset);
who.Members.Add(id);
offset += 8;
}
}
break;
}
}
return(who);
}
public static ChatWho Decode(G2Header root)
{
ChatWho who = new ChatWho();
G2Protocol.ResetPacket(root);
G2Header child = new G2Header(root.Data);
while (G2Protocol.ReadNextChild(root, child) == G2ReadResult.PACKET_GOOD)
{
if (!G2Protocol.ReadPayload(child))
continue;
switch (child.Name)
{
case Packet_Request:
who.Request = BitConverter.ToBoolean(child.Data, child.PayloadPos);
break;
case Packet_RoomID:
who.RoomID = BitConverter.ToUInt64(child.Data, child.PayloadPos);
break;
case Packet_Members:
if (child.PayloadSize % 8 == 0)
{
int offset = 0;
while (offset < child.PayloadSize)
{
UInt64 id = BitConverter.ToUInt64(child.Data, child.PayloadPos + offset);
who.Members.Add(id);
offset += 8;
}
}
break;
}
}
return who;
}
