private void AddRoomButton_Click(object sender, EventArgs e)
{
if (roomLocation.Text.Length == 0 || this.roomCapacity.Text.Length == 0 || roomName.Text.Length == 0)
{
return;
}
int roomCapacity = 0;
try
{
roomCapacity = int.Parse(this.roomCapacity.Text);
}
catch (FormatException)
{
MessageBox.Show("Room capacity needs to be numeric", "Format Exception", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
catch (OverflowException)
{
MessageBox.Show("Room capacity overflowed", "Overflow Exception", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
foreach (var server in servers)
{
// server.Key -> id
// server.Value -> url
IServer serverObj = (IServer)Activator.GetObject(typeof(IServer), server.Value);
try
{
AddRoomAsync async = new AddRoomAsync(serverObj.AddRoom);
IAsyncResult asyncRes = async.BeginInvoke(roomLocation.Text, roomCapacity, roomName.Text, null, null);
asyncRes.AsyncWaitHandle.WaitOne();
async.EndInvoke(asyncRes);
outputBox.Text += $"Added room <{roomLocation.Text},{roomName.Text}> to server <{server.Key},{server.Value}> \r\n";
}
catch (SocketException)
{
MessageBox.Show($"Could not locate <{server.Key},{server.Value}>",
"Socket Exception", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
roomLocation.Text = "";
this.roomCapacity.Text = "";
roomName.Text = "";
addRoomBox.Enabled = true;
}
private void RunScriptButton_Click(object sender, EventArgs e)
{
if (scriptBox.TextLength == 0)
{
return;
}
outputBox.Text += "Reading " + scriptBox.Text + "...\r\n";
try
{
IPCS pcs = null;
string[] fileLines = File.ReadAllLines(scriptBox.Text);
foreach (string line in fileLines)
{
string[] commandLine = line.Split(' ');
if (commandLine.Length <= 0)
{
continue;
}
outputBox.Text += "Running command " + commandLine[0] + "\r\n";
switch (commandLine[0])
{
case "PCS":
if (commandLine.Length == 2)
{
pcs = (IPCS)Activator.GetObject(typeof(IPCS), commandLine[1]);
}
else
{
outputBox.Text += "ERROR - PCS usage: PCS <pcs_url>\r\n";
return;
}
break;
case "Server":
if (commandLine.Length == 6)
{
// find the pcs with a matching hostname
pcs = GetPCSFromHostname(commandLine[2]);
try
{
pcs.Server(commandLine[1], commandLine[2], Int32.Parse(commandLine[3]),
Int32.Parse(commandLine[4]), Int32.Parse(commandLine[5]));
servers.Add(commandLine[1], commandLine[2]);
}
catch (Exception)
{
outputBox.Text += "ERROR - must be connected to PCS\r\n";
}
}
else
{
outputBox.Text +=
"ERROR - Server usage: Server <server_id> <URL> <max_faults> <min_delay> <max_delay>\r\n";
return;
}
break;
case "Client":
if (commandLine.Length == 5)
{
// find the pcs with a matching hostname
pcs = GetPCSFromHostname(commandLine[2]);
try
{
pcs.Client(commandLine[1], commandLine[2], commandLine[3], commandLine[4]);
clients.Add(commandLine[1], commandLine[2]);
}
catch (Exception)
{
outputBox.Text += "ERROR - must be connected to PCS\r\n";
}
}
else
{
outputBox.Text +=
"ERROR - Client usage: Client <username> <client_URL> <server_URL> <script_file>\r\n";
return;
}
break;
case "AddRoom":
if (commandLine.Length == 4)
{
foreach (var server in servers)
{
// server.Key -> id
// server.Value -> url
IServer serverObj = (IServer)Activator.GetObject(typeof(IServer), server.Value);
try
{
AddRoomAsync async = new AddRoomAsync(serverObj.AddRoom);
IAsyncResult asyncRes = async.BeginInvoke(commandLine[1], Int32.Parse(commandLine[2]), commandLine[3], null, null);
asyncRes.AsyncWaitHandle.WaitOne();
async.EndInvoke(asyncRes);
outputBox.Text += $"Added room <{roomLocation.Text},{roomName.Text}> to server <{server.Key},{server.Value}> \r\n";
}
catch (SocketException)
{
outputBox.Text += $"[Socket Exception] Could not locate <{ server.Key},{ server.Value}> \r\n";
}
}
}
else
{
outputBox.Text +=
"ERROR - AddRoom usage: AddRoom <location> <capacity> <room_name>\r\n";
return;
}
break;
case "Status":
int i = 0;
EventWaitHandle[] handles = new EventWaitHandle[servers.Count + clients.Count];
foreach (string server_url in servers.Values)
{
Thread task = new Thread(() =>
{
((IServer)Activator.GetObject(typeof(IServer), server_url)).Status();
handles[i++].Set();
});
}
foreach (string client_url in clients.Values)
{
Thread task = new Thread(() =>
{
((IServer)Activator.GetObject(typeof(IServer), client_url)).Status();
handles[i++].Set();
});
}
//WaitHandle.WaitAll(handles);
break;
case "Crash":
if (commandLine.Length == 2)
{
if (servers.TryGetValue(commandLine[1], out string server_url))
{
try
{
((IServer)Activator.GetObject(typeof(IServer), server_url)).Crash();
}
catch (SocketException)
{
outputBox.Text += $"[Socket Exception] Could not locate <{commandLine[1]},{server_url}>\r\n";
}
}
else
{
outputBox.Text += "ERROR - server does not exist\r\n";
return;
}
}
else
{
outputBox.Text +=
"ERROR - Crash usage: Crash <server_id>\r\n";
return;
}
break;
case "Freeze":
if (commandLine.Length == 2)
{
if (servers.TryGetValue(commandLine[1], out string server_url))
{
try
{
((IServer)Activator.GetObject(typeof(IServer), server_url)).Freeze();
}
catch (SocketException)
{
outputBox.Text += $"[Socket Exception] Could not locate <{commandLine[1]},{server_url}>\r\n";
}
}
else
{
outputBox.Text += "ERROR - server does not exist\r\n";
return;
}
}
else
{
outputBox.Text +=
"ERROR - Freeze usage: Freeze <server_id>\r\n";
return;
}
break;
case "Unfreeze":
if (commandLine.Length == 2)
{
if (servers.TryGetValue(commandLine[1], out string server_url))
{
try
{
((IServer)Activator.GetObject(typeof(IServer), server_url)).Unfreeze();
}
catch (SocketException)
{
outputBox.Text += $"[Socket Exception] Could not locate <{commandLine[1]},{server_url}>\r\n";
}
}
else
{
outputBox.Text += "ERROR - server does not exist\r\n";
return;
}
}
else
{
outputBox.Text +=
"ERROR - Unfreeze usage: Unfreeze <server_id>\r\n";
return;
}
break;
case "Wait":
if (commandLine.Length == 2)
{
Thread.Sleep(Int32.Parse(commandLine[1]));
}
else
{
outputBox.Text += "ERROR - Wait usage: Wait <ms>\r\n";
return;
}
break;
default:
outputBox.Text += "Command not recognized\r\n";
break;
}
}
}
catch (IOException)
{
outputBox.Text += "ERROR - Could not read file " + scriptBox.Text + "\r\n";
}
catch (FormatException formatException)
{
outputBox.Text += $"ERROR - Could not parse value: ${formatException}\r\n";
}
catch (SocketException)
{
outputBox.Text += "ERROR - Could not connecto to PCS\r\n";
}
}
