internal void SendRoomScribble(Predicate <IClient> pred, string name, RoomScribble scribble)
{
byte[] buffer;
if (scribble.Size <= 4000)
{
Server.SendAnnounce(pred, string.Format("\x000314--- From {0}", name));
Server.SendPacket(pred, new ClientCustom(string.Empty, "cb0t_scribble_once", scribble.RawImage()));
}
else
{
scribble.Index = 0;
int length = Math.Min((int)scribble.Received, 4000);
buffer = scribble.Read();
Server.SendAnnounce(pred, string.Format("\x000314--- From {0}", name));
Server.SendPacket(pred, new ClientCustom(string.Empty, "cb0t_scribble_first", buffer));
while (scribble.Remaining > 0)
{
buffer = scribble.Read();
if (scribble.Remaining > 0)
{
Server.SendPacket(pred, new ClientCustom(string.Empty, "cb0t_scribble_chunk", buffer));
}
else
{
Server.SendPacket(pred, new ClientCustom(string.Empty, "cb0t_scribble_last", buffer));
}
}
}
var ib0ts = Server.Users.Where(s => s.Socket.Isib0tSocket && pred(s));
if (ib0ts.Count() > 0)
{
buffer = Zlib.Decompress(scribble.RawImage());
int height = RoomScribble.GetHeight(buffer);
string base64 = Convert.ToBase64String(buffer);
string[] chunks = new string[(int)Math.Round((double)(base64.Length / 1024), MidpointRounding.AwayFromZero)];
for (int i = 0; i < chunks.Length; i++)
{
chunks[i] = base64.Substring(i * 1024, 1024);
}
ib0ts.ForEach(s => s.SendPacket(new ScribbleHead(name, height, chunks.Length)));
foreach (string chunk in chunks)
{
ib0ts.ForEach(s => s.SendPacket(new ScribbleBlock(chunk)));
}
}
}
public ChatInstance(ServerRecord channel, Uri baseUri)
{
Channel = channel;
this.baseUri = baseUri;
lastConnect = DateTime.Now;
LastUpdate = DateTime.Now;
Users = new ModelList <ChatUser>();
Users.CollectionChanged += OnUsersChanged;
Messages = new ModelList <ChatMessage>();
Messages.CollectionChanged += OnMessagesChanged;
scribble = new RoomScribble();
outPackets = new ConcurrentQueue <IPacket>();
if (!Channel.SupportJson) // use ib0t proto
{
prefMsgType = WebSocketMessageType.Text;
}
}
public bool Load(object state)
{
if (scribble != null)
{
LoadCallback(state);
return(true);
}
try {
string path = Path.Combine(script.Directory, Source);
if (Uri.TryCreate(Source, UriKind.Absolute, out Uri toGet) ||
Uri.TryCreate(path, UriKind.Absolute, out toGet))
{
if (toGet.IsFile)
{
FileInfo file = new FileInfo(toGet.AbsolutePath);
if (file.Exists && file.Directory.FullName != script.Directory)
{
throw new UnauthorizedAccessException("You are not allowed to access this file.");
}
}
}
else
{
throw new UriFormatException(Source);
}
scribble = new RoomScribble();
scribble.Download(toGet, LoadCallback, state);
}
catch (Exception ex) {
OnError(ex);
return(false);
}
return(true);
}
//Used for Sending scribble objects from another client
//
private void OnRoomScribbleComplete(RoomScribble scribble)
{
AddMessage(new ChatScribble(Convert.ToBase64String(Zlib.Decompress(scribble.RawImage()))));
}
