public async Task SendMessage(string message, string orgName, string senderConnectionID, HubConnection hubConnection)
{
try
{
if (await MessageLock.WaitAsync(30000))
{
ChatSession chatSession;
if (!ChatClients.Contains(senderConnectionID))
{
var rcBinaryPath = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "ScreenCast", OSUtils.ScreenCastExecutableFileName);
var procID = await AppLauncher.LaunchChatService(orgName, senderConnectionID, hubConnection);
var clientPipe = new NamedPipeClientStream(".", "Remotely_Chat" + senderConnectionID, PipeDirection.InOut, PipeOptions.Asynchronous);
clientPipe.Connect(15000);
if (!clientPipe.IsConnected)
{
Logger.Write("Failed to connect to chat host.");
return;
}
chatSession = new ChatSession()
{
PipeStream = clientPipe, ProcessID = procID
};
ChatClients.Add(senderConnectionID, chatSession, CacheItemPolicy);
}
chatSession = (ChatSession)ChatClients.Get(senderConnectionID);
if (!chatSession.PipeStream.IsConnected)
{
ChatClients.Remove(senderConnectionID);
await hubConnection.SendAsync("DisplayMessage", "Chat disconnected. Please try again.", "Chat disconnected.");
return;
}
using (var sw = new StreamWriter(chatSession.PipeStream, leaveOpen: true))
{
await sw.WriteLineAsync(message);
await sw.FlushAsync();
}
_ = Task.Run(async() => { await ReadFromStream(chatSession.PipeStream, senderConnectionID, hubConnection); });
}
}
catch (Exception ex)
{
Logger.Write(ex);
}
finally
{
MessageLock.Release();
}
}
public async Task SendMessage(string senderName,
string message,
string orgName,
bool disconnected,
string senderConnectionID,
HubConnection hubConnection)
{
if (!await MessageLock.WaitAsync(30000))
{
Logger.Write("Timed out waiting for chat message lock.", Shared.Enums.EventType.Warning);
return;
}
try
{
ChatSession chatSession;
if (!ChatClients.Contains(senderConnectionID))
{
if (disconnected)
{
// Don't start a new session just to show a disconnected message.
return;
}
var procID = await AppLauncher.LaunchChatService(orgName, senderConnectionID, hubConnection);
if (procID > 0)
{
Logger.Write($"Chat app started. Process ID: {procID}");
}
else
{
Logger.Write($"Chat app did not start successfully.");
return;
}
var clientPipe = new NamedPipeClientStream(".", "Remotely_Chat" + senderConnectionID, PipeDirection.InOut, PipeOptions.Asynchronous);
clientPipe.Connect(15000);
if (!clientPipe.IsConnected)
{
Logger.Write("Failed to connect to chat host.");
return;
}
chatSession = new ChatSession()
{
PipeStream = clientPipe, ProcessID = procID
};
_ = Task.Run(async() => { await ReadFromStream(chatSession.PipeStream, senderConnectionID, hubConnection); });
ChatClients.Add(senderConnectionID, chatSession, CacheItemPolicy);
}
chatSession = (ChatSession)ChatClients.Get(senderConnectionID);
if (!chatSession.PipeStream.IsConnected)
{
ChatClients.Remove(senderConnectionID);
await hubConnection.SendAsync("DisplayMessage", "Chat disconnected. Please try again.", "Chat disconnected.", senderConnectionID);
return;
}
using var sw = new StreamWriter(chatSession.PipeStream, leaveOpen: true);
var chatMessage = new ChatMessage(senderName, message, disconnected);
await sw.WriteLineAsync(JsonSerializer.Serialize(chatMessage));
await sw.FlushAsync();
}
catch (Exception ex)
{
Logger.Write(ex);
}
finally
{
MessageLock.Release();
}
}