public Scan(Program.Options options)
{
log.Debug("creating scan host");
log.DebugFormat("create interprocess input pipe (handle={0})", options.pipeIn);
pipeIn = new AnonymousPipeClientStream(PipeDirection.In, options.pipeIn);
log.DebugFormat("create interprocess output pipe (handle={0})", options.pipeOut);
pipeOut = new AnonymousPipeClientStream(PipeDirection.Out, options.pipeOut);
log.Debug("create sync event");
sync = new ManualResetEvent(false);
log.Debug("create native messaging port");
port = new Port(pipeIn, pipeOut);
log.Debug("create stop event");
stop = new ManualResetEvent(false);
log.Debug("create form");
form = new Form();
form.TopMost = true;
form.BringToFront();
log.Debug("create hook");
hook = new WinFormsWindowMessageHook(form);
log.Debug("create image acquired and image transferred events");
imageAcquired = new ManualResetEvent(false);
imageTransferred = new ManualResetEvent(false);
log.Debug("scan host created");
}
public Echo(Options options)
{
log.Info("creating echo host");
log.DebugFormat("create interprocess input pipe (handle={0})", options.pipeIn);
pipeIn = new AnonymousPipeClientStream(PipeDirection.In, options.pipeIn);
pipeReader = new StreamReader(pipeIn);
log.DebugFormat("create interprocess output pipe (handle={0})", options.pipeOut);
pipeOut = new AnonymousPipeClientStream(PipeDirection.Out, options.pipeOut);
pipeWriter = new StreamWriter(pipeOut);
log.Debug("create native messaging port");
port = new Port(pipeIn, pipeOut);
log.Debug("create stop event");
stop = new ManualResetEvent(false);
log.Debug("synchronize processes");
string sync = pipeReader.ReadLine();
log.DebugFormat("sent {0}", sync);
pipeWriter.WriteLine(sync);
pipeWriter.Flush();
log.DebugFormat("received {0}", sync);
pipeOut.WaitForPipeDrain();
log.Info("created echo host");
}
public Relay(Options options)
{
log.Info("creating relay host");
log.Debug("create interprocess input pipe");
pipeIn = new AnonymousPipeServerStream(PipeDirection.In, HandleInheritability.Inheritable);
pipeReader = new StreamReader(pipeIn);
log.Debug("create interprocess output pipe");
pipeOut = new AnonymousPipeServerStream(PipeDirection.Out, HandleInheritability.Inheritable);
pipeWriter = new StreamWriter(pipeOut);
log.Debug("create processor host");
processor = new Process();
processor.StartInfo.FileName = System.Reflection.Assembly.GetExecutingAssembly().Location;
log.DebugFormat("StartInfo.FileName={0}", processor.StartInfo.FileName);
processor.StartInfo.Arguments = String.Format("--pipe-in={0} --pipe-out={1} process", pipeOut.GetClientHandleAsString(), pipeIn.GetClientHandleAsString());
log.DebugFormat("StartInfo.Arguments={0}", processor.StartInfo.Arguments);
processor.StartInfo.UseShellExecute = false;
log.Debug("start processor host");
try
{
processor.Start();
}
catch (Exception ex)
{
log.Fatal("Exception while starting processor host.", ex);
throw ex;
}
log.DebugFormat("processor host process id : {0}", processor.Id);
log.Debug("join processes into a job so processor host dies together with relay host");
job = new Job();
job.AddProcess(Process.GetCurrentProcess().Id);
job.AddProcess(processor.Id);
log.Debug("create native messaging ports");
portA = new Port();
portB = new Port(pipeIn, pipeOut);
portsExceptions = new List<Exception>();
log.Debug("create stop event");
stop = new ManualResetEvent(false);
log.Debug("synchronize processes");
string sync = "SYNC";
pipeWriter.WriteLine(sync);
pipeWriter.Flush();
log.DebugFormat("sent {0}", sync);
pipeOut.WaitForPipeDrain();
sync = pipeReader.ReadLine();
log.DebugFormat("received {0}", sync);
log.Info("created relay host");
}
public Relay(Program.Options options)
{
log.Debug("creating relay host");
log.Debug("create interprocess input pipe");
pipeIn = new AnonymousPipeServerStream(PipeDirection.In, HandleInheritability.Inheritable);
log.Debug("create interprocess output pipe");
pipeOut = new AnonymousPipeServerStream(PipeDirection.Out, HandleInheritability.Inheritable);
log.Debug("create sync event");
sync = new ManualResetEvent(false);
log.Debug("create processor host");
processor = new Process();
processor.StartInfo.FileName = System.Reflection.Assembly.GetExecutingAssembly().Location;
log.DebugFormat("StartInfo.FileName={0}", processor.StartInfo.FileName);
processor.StartInfo.Arguments = String.Format("--pipe-in={0} --pipe-out={1} process", pipeOut.GetClientHandleAsString(), pipeIn.GetClientHandleAsString());
log.DebugFormat("StartInfo.Arguments={0}", processor.StartInfo.Arguments);
processor.StartInfo.UseShellExecute = false;
//// processor.StartInfo.WindowStyle = ProcessWindowStyle.Hidden; ???? do we really need this ????
log.Debug("start processor host");
try
{
processor.Start();
}
catch (Exception ex)
{
log.Fatal("Exception while starting processor host.", ex);
throw ex;
}
log.DebugFormat("processor host process id : {0}", processor.Id);
log.Debug("join processes into a job so processor host dies together with relay host");
job = new Job();
job.AddProcess(Process.GetCurrentProcess().Id);
job.AddProcess(processor.Id);
log.Debug("create native messaging ports");
portA = new Port();
portB = new Port(pipeIn, pipeOut);
portsExceptions = new List<Exception>();
log.Debug("create stop event");
stop = new ManualResetEvent(false);
log.Debug("relay host created");
}
public AsyncResult(Port port, AsyncCallback callback, object state)
{
this.port = port;
this.callback = callback;
this.state = state;
wait = new ManualResetEvent(false);
lengthIsCompleted = false;
lengthCompletedSynchronously = false;
lengthBuffer = null;
lengthOffset = 0;
lengthException = null;
messageIsCompleted = false;
messageCompletedSynchronously = false;
messageBuffer = null;
messageOffset = 0;
messageException = null;
}
/// <summary>
/// Creates a new instance of native messaging host.
/// </summary>
public Host()
{
port = new Port();
stop = new ManualResetEvent(false);
}
