public Message CloseMeetingProposal(String meetingTopic, string username)
{
IClient ic = findClient(username);
User user = ic.getUser();
foreach (MeetingProposal mp in meetingProposals)
{
if (mp.getMPTopic() == meetingTopic)
{
Monitor.Enter(mp);
if (mp.getCoordinator().getName().Equals(user.getName()))
{
if (mp.getStatus() == MeetingProposal.Status.Open)
{
Console.WriteLine("User " + user.getName() + " prompts to close meeting " + meetingTopic);
user.removeMyMP(mp);
Console.WriteLine("---Meeting removed from user's myMP list.");
Tuple <Boolean, String> dm = DecideMeeting(mp);
if (dm.Item1)
{
mp.setStatus(MeetingProposal.Status.Closed);
Console.WriteLine("---Meeting closed successfully.");
ic.setUser(user);
updateBackupProposals();
Monitor.Pulse(mp);
Monitor.Exit(mp);
return(new Message(true, dm.Item2, "Meeting closed successfully."));
}
else
{
mp.setStatus(MeetingProposal.Status.Cancelled);
Console.WriteLine("---Meeting cancelled.");
ic.setUser(user);
Monitor.Pulse(mp);
Monitor.Exit(mp);
return(new Message(true, null, "Meeting cancelled."));
}
}
else if (mp.getStatus() == MeetingProposal.Status.Closed)
{
Monitor.Pulse(mp);
Monitor.Exit(mp);
return(new Message(true, null, "Meeting already closed."));
}
else
{
Monitor.Pulse(mp);
Monitor.Exit(mp);
return(new Message(true, null, "Meeting cancelled."));
}
}
else
{
Monitor.Pulse(mp);
Monitor.Exit(mp);
return(new Message(true, null, "User not allowed to close meeting."));
}
}
}
ic.setUser(user);
return(new Message(true, null, "Meeting to close not found."));
}
public Message sequence(string url, string topic, string username)
{
Message mess = null;
if (!closes.ContainsValue(url + " " + topic + " " + username))
{
seq++;
closes.Add(seq, url + " " + topic + " " + username);
Monitor.Enter(server); //lock
try
{
closes.TryGetValue(request, out string str);
string[] data = str.Split(' ');
if (!data[0].Equals(server.getURL()))
{
ServerCli serv = (ServerCli)Activator.GetObject(typeof(ServerCli), data[0]);
Task <Message> task = Task <Message> .Factory.StartNew(() => serv.CloseMeetingProposal(data[1], data[2]));
bool done = task.Wait(timeout);
if (done)
{
mess = task.Result;
}
else
{
mess = new Message(false, null, "Server to close timed out abort operation");
}
}
else
{
Task <Message> task = Task <Message> .Factory.StartNew(() => CloseMeetingProposal(data[1], data[2]));
bool done = task.Wait(timeout);
if (done)
{
mess = task.Result;
}
else
{
mess = new Message(false, null, "Server to close timed out abort operation");
}
}
request++;
}
finally
{
Monitor.Pulse(server);
Monitor.Exit(server);
}
}
else
{
mess = new Message(false, null, "Duplicated request");
}
return(mess);
}