public void OnSurfaceCommand(Client client, UInt32 sessionId, byte[] surfaceCommand)
{
ScreencastingSession session = GetSessionBySenderId(sessionId);
if (session == null)
{
return;
}
if (isSessionAlive(session.sessionKey))
{
foreach (Client receiver in session.authenticatedClients.Keys)
{
UInt32 receiverSessionId = session.authenticatedClients[receiver].sessionId;
if (receiverSessionId != sessionId)
{
try
{
receiver.OnSendSurfaceCommand(receiverSessionId, surfaceCommand);
}
catch (TransportException e)
{
Console.WriteLine("Caught Transport Exception: " + e.Message);
session.RemoveAuthenticatedUser(receiver);
}
}
}
}
}
public void OnSessionTerminationRequested(Client client, UInt32 sessionId, char[] sessionKey, ref UInt32 sessionStatus)
{
if (isSessionAlive(sessionKey))
{
ScreencastingSession screencastSession = getSessionByKey(sessionKey);
/* Only the sender can terminate a session */
if (screencastSession.senderId == sessionId)
{
sessionStatus = 0;
foreach (Client authenticatedClient in screencastSession.authenticatedClients.Keys)
{
UInt32 clientSessionId = screencastSession.authenticatedClients[authenticatedClient].sessionId;
try
{
authenticatedClient.OnSessionTermination(clientSessionId, sessionKey, sessionStatus);
}
catch (TransportException e)
{
Console.WriteLine("Caught Transport Exception: " + e.Message);
screencastSession.RemoveAuthenticatedUser(authenticatedClient);
}
}
screencastSession.authenticatedClients.Clear();
sessions.TryRemove(new string(sessionKey), out screencastSession);
return;
}
}
sessionStatus = 1;
}
public void OnSessionLeaveRequested(Client client, UInt32 sessionId, char[] sessionKey, ref UInt32 sessionStatus, string username)
{
if (isSessionAlive(sessionKey))
{
ScreencastingSession screencastSession = getSessionByKey(sessionKey);
if (screencastSession.authenticatedClients.ContainsKey(client))
{
screencastSession.RemoveAuthenticatedUser(client, username, sessionId);
OnSessionParticipantListUpdated(screencastSession.sessionKey);
sessionStatus = 0;
return;
}
}
sessionStatus = 1;
}
private void OnSessionParticipantListUpdated(char[] sessionKey)
{
if (isSessionAlive(sessionKey))
{
ScreencastingSession session = getSessionByKey(sessionKey);
ArrayList participantUsernames = session.GetParticipantUsernames();
foreach (Client client in session.authenticatedClients.Keys)
{
try
{
client.OnSessionParticipantListUpdated(participantUsernames);
}
catch (TransportException e)
{
Console.WriteLine("Caught Transport Exception: " + e.Message);
session.RemoveAuthenticatedUser(client);
}
}
}
}
