public ManagedBitmap ResizeGDI(ManagedBitmap source, int targetWidth, int targetHeight, Profile profile)
{
EnsureStarted(profile);
ManagedBitmap result;
string mapId;
int width, height;
Profile serverProfile;
bool succeeded = false;
profile.Push("Remote call");
ClientServerCommunication.SendMessage(
null /*log*/,
channel,
ClientServerCommunication.Commands.ResizeGDI,
new object[]
{
(int)Thread.CurrentThread.Priority,
(string)source.BackingName,
(int)source.Width,
(int)source.Height,
(int)targetWidth,
(int)targetHeight
});
try
{
ClientServerCommunication.WaitForPending(channel, out serverProfile, out mapId, out width, out height);
profile.Add(serverProfile);
result = new ManagedBitmap32(width, height, mapId);
succeeded = true;
}
catch (ClientServerCommunication.RemoteException)
{
result = ManagedBitmap.CreateFromGDI(new Bitmap(Properties.Resources.InvalidPlaceHolder));
}
profile.Pop();
if (succeeded)
{
profile.Push("Remote call");
ClientServerCommunication.SendMessage(
null /*log*/,
channel,
ClientServerCommunication.Commands.Clear,
null);
ClientServerCommunication.WaitForDone(channel, out serverProfile);
profile.Add(serverProfile);
profile.Pop();
}
return(result);
}
private const bool Logging = true; // TODO: turn off
public static int RunServer(string pipeName)
{
TextWriter log;
if (Logging)
{
int i = 0;
while (true)
{
try
{
log = new StreamWriter(Path.Combine(Path.GetTempPath(), String.Concat("ImageServerLog-", i, ".log")));
}
catch (Exception)
{
i++;
continue;
}
break;
}
log = TextWriter.Synchronized(log);
}
ManagedBitmap currentBitmap = null;
try
{
ThreadPriority savedThreadPriority = Thread.CurrentThread.Priority;
if (log != null)
{
log.WriteLine("Connecting to pipe {0}", pipeName);
log.Flush();
}
using (NamedPipeClientStream channel = new NamedPipeClientStream(".", pipeName))
{
channel.Connect();
Thread disconnectMonitorThread = new Thread(new ThreadStart(
delegate()
{
TimeoutThread(channel);
if (log != null)
{
log.WriteLine("TimeoutThread terminated - connection broken, exiting");
log.Flush();
}
}));
disconnectMonitorThread.Start();
while (true)
{
if (log != null)
{
log.WriteLine("Waiting");
log.Flush();
}
ClientServerCommunication.Commands command;
object[] args;
ClientServerCommunication.ReceiveMessage(log, channel, out command, out args);
object[] extraResults = null;
if (log != null)
{
log.WriteLine("Processing command");
log.Flush();
}
Profile profile;
try
{
profile = new Profile("ImageServer process command");
if (log != null)
{
log.WriteLine("Command: {0}", command);
log.Flush();
}
switch (command)
{
default:
Debug.Assert(false);
throw new ArgumentException(command.ToString());
case ClientServerCommunication.Commands.Quit:
if (args.Length != 0)
{
const string Message = "remote command: wrong number of arguments";
Debug.Assert(false, Message);
throw new ArgumentException(Message);
}
if (log != null)
{
log.WriteLine("Main thread exiting");
log.Flush();
log.Close();
log = null;
}
return(0);
case ClientServerCommunication.Commands.Clear:
if (args.Length != 0)
{
const string Message = "remote command: wrong number of arguments";
Debug.Assert(false, Message);
throw new ArgumentException(Message);
}
if (currentBitmap == null)
{
const string Message = "Current bitmap is null";
Debug.Assert(false, Message);
throw new InvalidOperationException(Message);
}
currentBitmap.Dispose();
currentBitmap = null;
break;
case ClientServerCommunication.Commands.LoadAndOrientGDI:
if (args.Length != 3)
{
const string Message = "remote command: wrong number of arguments";
Debug.Assert(false, Message);
throw new ArgumentException(Message);
}
if (currentBitmap != null)
{
const string Message = "Current bitmap hasn't been cleared";
Debug.Assert(false, Message);
throw new InvalidOperationException(Message);
}
Thread.CurrentThread.Priority = (ThreadPriority)args[0];
RotateFlipType exifOrientation;
LoadAndOrientGDI(
profile,
(string)args[1],
(int)args[2],
out currentBitmap,
out exifOrientation);
extraResults = new object[] { (int)exifOrientation };
break;
case ClientServerCommunication.Commands.ResizeGDI:
if (args.Length != 6)
{
const string Message = "remote command: wrong number of arguments";
Debug.Assert(false, Message);
throw new ArgumentException(Message);
}
if (currentBitmap != null)
{
const string Message = "Current bitmap hasn't been cleared";
Debug.Assert(false, Message);
throw new InvalidOperationException(Message);
}
Thread.CurrentThread.Priority = (ThreadPriority)args[0];
ResizeGDI(
profile,
(string)args[1],
(int)args[2],
(int)args[3],
(int)args[4],
(int)args[5],
out currentBitmap);
break;
case ClientServerCommunication.Commands.CreateTileGDI:
if (args.Length != 10)
{
const string Message = "remote command: wrong number of arguments";
Debug.Assert(false, Message);
throw new ArgumentException(Message);
}
if (currentBitmap != null)
{
const string Message = "Current bitmap hasn't been cleared";
Debug.Assert(false, Message);
throw new InvalidOperationException(Message);
}
Thread.CurrentThread.Priority = (ThreadPriority)args[0];
CreateTileGDI(
profile,
(string)args[1],
(int)args[2],
(int)args[3],
(int)args[4],
(int)args[5],
(int)args[6],
(int)args[7],
(int)args[8],
(int)args[9],
out currentBitmap);
break;
case ClientServerCommunication.Commands.ShrinkExpandGDI:
if (args.Length != 6)
{
const string Message = "remote command: wrong number of arguments";
Debug.Assert(false, Message);
throw new ArgumentException(Message);
}
Thread.CurrentThread.Priority = (ThreadPriority)args[0];
ShrinkExpandGDI(
profile,
(int)args[1],
(int)args[2],
(string)args[3],
(string)args[4],
(double)args[5]);
break;
case ClientServerCommunication.Commands.ShrinkExpandWPF:
if (args.Length != 6)
{
const string Message = "remote command: wrong number of arguments";
Debug.Assert(false, Message);
throw new ArgumentException(Message);
}
Thread.CurrentThread.Priority = (ThreadPriority)args[0];
ShrinkExpandWPF(
profile,
(int)args[1],
(int)args[2],
(string)args[3],
(string)args[4],
(double)args[5]);
break;
}
profile.End();
}
catch (Exception exception)
{
if (log != null)
{
log.WriteLine("Recoverable exception: {0}", exception);
log.Flush();
}
ClientServerCommunication.SendMessage(
log,
channel,
ClientServerCommunication.Commands.Exception,
new object[] { exception.ToString() });
if (log != null)
{
log.WriteLine("Exception response sent");
log.Flush();
}
continue;
}
finally
{
Thread.CurrentThread.Priority = savedThreadPriority;
}
if (log != null)
{
log.WriteLine("Forming response");
log.Flush();
}
using (MemoryStream serializedProfileStream = new MemoryStream())
{
if (log != null)
{
log.WriteLine("Serializing profile");
log.Flush();
}
new BinaryFormatter().Serialize(serializedProfileStream, profile);
if (currentBitmap == null)
{
if (log != null)
{
log.WriteLine("Sending 'Done'");
log.Flush();
}
ClientServerCommunication.SendMessage(
log,
channel,
ClientServerCommunication.Commands.Done,
new object[] { serializedProfileStream.ToArray() });
}
else
{
if (log != null)
{
log.WriteLine("Sending 'Pending'");
log.Flush();
}
ClientServerCommunication.SendMessage(
log,
channel,
ClientServerCommunication.Commands.Pending,
new object[]
{
(string)currentBitmap.BackingName,
(int)currentBitmap.Width,
(int)currentBitmap.Height,
(byte[])serializedProfileStream.ToArray()
},
extraResults);
}
}
if (log != null)
{
log.WriteLine("Sent");
log.Flush();
}
}
}
}
catch (Exception exception)
{
if (log != null)
{
log.WriteLine("Unrecoverable exception: {0}", exception);
log.Flush();
}
if (currentBitmap != null)
{
currentBitmap.Dispose();
}
if (!(exception is ClientServerCommunication.ChannelDisconnectedException))
{
MessageBox.Show(exception.ToString());
}
if (log != null)
{
log.WriteLine("Terminating abnormally");
log.Flush();
log.Close();
log = null;
}
return(1);
}
#pragma warning disable CS0162 // unreachable
if (log != null)
{
log.WriteLine("Terminating normally");
log.Flush();
log.Close();
log = null;
}
#pragma warning restore CS0162
if (currentBitmap != null)
{
currentBitmap.Dispose();
}
return(0);
}