public async Task Send(IdentityHash destination, ChatMessageDto messageDto)
{
ChatRoomContext chatroomContext;
if (!chatRoomTable.TryLookup(destination, out chatroomContext))
{
throw new InvalidStateException("Cannot send message to undiscovered chatroom/user.");
}
var messageDtoBytes = CampfireChatSerializer.GetBytes(messageDto);
if (chatroomContext.IsUnicast)
{
Console.WriteLine("Unicast messaging");
await client.UnicastAsync(destination, messageDtoBytes);
}
else if (destination.Bytes.Any(v => v != 0))
{
Console.WriteLine("Multicast messaging");
await client.MulticastAsync(destination, messageDtoBytes);
}
else
{
Console.WriteLine("Broadcast messaging");
await client.BroadcastAsync(messageDtoBytes);
}
}
public void SendMessage(ChatMessageDto message)
{
// This will write to Merkle Tree which will trigger message received.
Console.WriteLine("Entering send message 3");
chatMessageSender.Send(ChatroomIdentityHash, message).Forget();
Console.WriteLine("Exiting send message 3");
}
public void SendMessage(ChatMessageContentType contentType, byte[] contentRaw)
{
lock (synchronization) {
Console.WriteLine("Entering send message 2");
var message = new ChatMessageDto {
SequenceNumber = Interlocked.Increment(ref outboundMessageSequenceNumber),
LogicalClock = IncrementThenCaptureCurrentLogicalClock(),
FriendlySenderName = campfireChatClient.LocalFriendlyName,
ContentType = ChatMessageContentType.Text,
ContentRaw = contentRaw
};
Console.WriteLine("Made message");
SendMessage(message);
Console.WriteLine("Exiting send message 2");
}
}
public static byte[] GetBytes(ChatMessageDto data)
{
using (var ms = new MemoryStream())
using (var writer = new BinaryWriter(ms)) {
writer.Write((uint)ChatDtoTypeId.Message);
writer.Write((int)data.SequenceNumber);
writer.Write((int)data.LogicalClock.Count);
foreach (var kvp in data.LogicalClock)
{
writer.Write(kvp.Key.Bytes.ToArray());
writer.Write((int)kvp.Value);
}
writer.Write((uint)data.ContentType);
writer.Write((int)data.ContentRaw.Length);
writer.Write(data.ContentRaw, 0, data.ContentRaw.Length);
writer.WriteLengthPrefixedUtf8String(data.FriendlySenderName);
return(ms.ToArray());
}
}
public void HandleMessageReceived(ChatMessageDto message)
{
lock (synchronization) {
messages.Add(message, message);
foreach (var kvp in message.LogicalClock)
{
int storedCounter;
if (!currentLogicalClock.TryGetValue(kvp.Key, out storedCounter) || storedCounter < kvp.Value)
{
currentLogicalClock[kvp.Key] = kvp.Value;
}
}
foreach (var viewModel in viewModels)
{
viewModel.MessageReceivedCallback(this, new ChatMessageReceivedEventArgs(viewModel, message));
}
}
}
public MessageEntry(ChatMessageDto dto, string name, string message)
{
Dto = dto;
Name = name;
Message = message;
}
public ChatMessageReceivedEventArgs(ChatRoomViewModel viewModel, ChatMessageDto message)
{
ViewModel = viewModel;
Message = message;
}