/// <summary>
/// When connected, sends broadcast message
/// of this clients' username and starts listening for messages
/// </summary>
private async Task OnConnected()
{
_ = Task.Run(() => AcceptChatConnections());
await userInfoBroadcaster.SendAsync(
Encoding.ASCII.GetBytes(PtpChatCommands.ClientNeedsConnection + " " + clientName),
(PtpChatCommands.ClientNeedsConnection + " " + clientName).Length,
DefaultOnConnectedEndpoint);
OnLocalEventHappened?.Invoke(this, new LogEventArgs()
{
message = "Sent \"OnConnected\" broadcast message ."
});
}
/// <summary>
/// Opens tcp connection on <see cref="connectedUserEntries"/>[userEntryIndex]
/// if it's opened, returns
/// </summary>
/// <param name="userEntryIndex"></param>
/// <returns></returns>
private async Task InitiateTcpConnection(int userEntryIndex)
{
//Check if user's tcpConnection is open, if not, open it
if (connectedUserEntries[userEntryIndex].chatConnection != null &&
connectedUserEntries[userEntryIndex].chatConnection.Connected)
{
return;
}
var newConnection = new TcpClient();
newConnection.Connect(new IPEndPoint(connectedUserEntries[userEntryIndex].ipAddress, DefaultValues.TcpMessagingPort));
connectedUserEntries[userEntryIndex].chatConnection = newConnection;
_ = Task.Run(() => messagesTracer.TraceConnectionMessages(
newConnection,
connectedUserEntries[userEntryIndex].username,
newConnection.Client.GetRemoteEndPointIpAddress() == newConnection.Client.GetLocalEndPointIpAddress()));
OnLocalEventHappened.Invoke(this, new LogEventArgs()
{
message = $"Connected to {connectedUserEntries[userEntryIndex].username} ."
});
//send who we are to the user,
//add "header" to distinguish between usual OnConnected messages.
var userInfoBytes = Encoding.ASCII.GetBytes(PtpChatCommands.UserIdentification + " " + clientName);
await userInfoBroadcaster.SendAsync(
userInfoBytes,
userInfoBytes.Length,
DefaultOnConnectedEndpoint);
}