[StructLayout(LayoutKind.Sequential)] public struct MSG { public IntPtr hwnd; public uint message; public IntPtr wParam; public IntPtr lParam; public uint time; public System.Drawing.Point p; } public enum WaitReturn { Complete, Timeout, } class Utils { [DllImport("user32.dll")] [return: MarshalAs(UnmanagedType.Bool)] static extern bool PeekMessage(out MSG lpMsg, IntPtr hWnd, uint wMsgFilterMin, uint wMsgFilterMax, uint wRemoveMsg); [DllImport("user32.dll")] static extern bool TranslateMessage([In] ref MSG lpMsg); [DllImport("user32.dll")] static extern IntPtr DispatchMessage([In] ref MSG lpmsg); const uint PM_REMOVE = 1; public static WaitReturn WaitForComplete(double mill, WaitHandle wh) { TimeSpan goal = new TimeSpan(DateTime.Now.AddMilliseconds(mill).Ticks); do { MSG msg = new MSG(); if (PeekMessage(out msg, IntPtr.Zero, 0, 0, PM_REMOVE)) { TranslateMessage(ref msg); DispatchMessage(ref msg); } if (wh.WaitOne(new TimeSpan(0, 0, 0), false)) { return WaitReturn.Complete; } if (goal.CompareTo(new TimeSpan(DateTime.Now.Ticks)) < 0) { return WaitReturn.Timeout; } } while (true); } } class Client : DicomNet { DicomExceptionCode _LastError = DicomExceptionCode.Success; AutoResetEvent waitEvent = new AutoResetEvent(false); public Client() : base(null, DicomNetSecurityeMode.None) { } public DicomExceptionCode LastError { get { return _LastError; } } public bool Wait() { WaitReturn ret; _LastError = DicomExceptionCode.Success; ret = Utils.WaitForComplete((5 * 60) * 1000, waitEvent); return (ret == WaitReturn.Complete); } protected override void OnConnect(DicomExceptionCode error) { _LastError = error; waitEvent.Set(); } protected override void OnReceiveAssociateAccept(DicomAssociate association) { waitEvent.Set(); } protected override void OnReceiveCStoreResponse(byte presentationID, int messageID, string affectedClass, string instance, DicomCommandStatusType status) { Debug.Assert(status == DicomCommandStatusType.Success, "Status should be success"); waitEvent.Set(); } protected override void OnReceive(DicomExceptionCode error, DicomPduType pduType, IntPtr buffer, int bytes) { base.OnReceive(error, pduType, buffer, bytes); } protected override void OnSend(DicomExceptionCode error, DicomPduType type, int length) { base.OnSend(error, type, length); } } class ServerConnection : DicomNet { public ServerConnection() : base(null, DicomNetSecurityeMode.None) { } protected override void OnReceiveAssociateRequest(DicomAssociate association) { DicomAssociate retAssociation = new DicomAssociate(false); Debug.Assert(association.Called == "ServerTest", "Called AETitle should be ServerTest"); Debug.Assert(association.Calling == "ClientTest", "Calling AETitle should be ClientTest"); Debug.Assert(association.ImplementClass == "1.2.840.114257.1", "Implementation class should be 1.2.840.114257.1"); Debug.Assert(association.ImplementationVersionName == "1", "Implementation version should be 1"); Debug.Assert(association.MaxLength == 0x100000, "Max length should be 0x100000"); Debug.Assert(association.GetAbstract(1) == DicomUidType.VerificationClass, "Presentation index 1 should be " + DicomUidType.VerificationClass); Debug.Assert(association.GetTransfer(1, 0) == DicomUidType.ImplicitVRLittleEndian, "Abstract Syntax (1,0) should be " + DicomUidType.ImplicitVRLittleEndian); // // Build our Association Accept // retAssociation.Called = association.Called; retAssociation.Calling = association.Calling; retAssociation.ImplementClass = association.ImplementClass; retAssociation.ImplementationVersionName = association.ImplementationVersionName; for (int x = 0; x < association.PresentationContextCount; x++) { byte id = association.GetPresentationContextID(x); string abSyntax = association.GetAbstract(id); string trSyntax = DicomUidType.ImplicitVRLittleEndian; retAssociation.AddPresentationContext(id, 0, abSyntax); if (association.GetTransferCount(id) > 0) { trSyntax = association.GetTransfer(id, 0); } retAssociation.AddTransfer(id, trSyntax); } SendAssociateAccept(retAssociation); } protected override void OnReceiveCStoreRequest(byte presentationID, int messageID, string affectedClass, string instance, DicomCommandPriorityType priority, string moveAE, int moveMessageID, DicomDataSet dataSet) { byte id = Association.FindAbstract(affectedClass); Debug.Assert(id == presentationID, "PresentationID is invalid"); Debug.Assert(messageID == 2, "Invalid message id. Should be 2"); Debug.Assert(dataSet != null, "Dataset should not be null"); Debug.Assert(moveAE == "NONE", "Move AE should be NONE"); Debug.Assert(moveMessageID == 1, "Move message id should be 1"); Debug.Assert(priority == DicomCommandPriorityType.Medium, "Priority should be medium"); SendCStoreResponse(presentationID, messageID, affectedClass, instance, DicomCommandStatusType.Success); } } class Server : DicomNet { ServerConnection client; public Server() : base(null, DicomNetSecurityeMode.None) { } protected override void OnAccept(DicomExceptionCode error) { client = new ServerConnection(); Accept(client); } } public void SendCStoreRequestSample() { DicomEngine.Startup(); DicomNet.Startup(); using (Server server = new Server()) { using (Client client = new Client()) { string storageClass = ""; string storageInstance = "998.998.1.1.19950214.94000.1.102"; DicomDataSet ds = new DicomDataSet(); DicomElement element; string transferSyntax = DicomUidType.JPEGLosslessNonhier14; string dicomFileName = @"C:\Program Files\LEAD Technologies, Inc\LEADTOOLS 15\Images\IMAGE3.dic"; // // Connect to server // server.Listen("127.0.0.1", 104, 1); // start server client.Connect(null, 1000, "127.0.0.1", 104); // connect to server if (!client.Wait()) // wait for connection to finish { Debug.Fail("Connection timed out"); } Debug.Assert(client.LastError == DicomExceptionCode.Success, "Connection failed"); Debug.Assert(client.IsConnected(), "Client not connected"); ds.Load(dicomFileName, DicomDataSetLoadFlags.LoadAndClose); element = ds.FindFirstElement(null, DicomTagType.MediaStorageSOPClassUID, true); if (element != null) { storageClass = ds.GetStringValue(element, 0); } if (storageClass.Length == 0) { element = ds.FindFirstElement(null, DicomTagType.SOPInstanceUID, true); if (element != null) { storageClass = ds.GetStringValue(element, 0); } } if (storageClass.Length == 0) storageClass = "1.1.1.1"; // // Get Image transfer syntax // element = ds.FindFirstElement(null, DicomTagType.TransferSyntaxUID, true); if (element != null) { transferSyntax = ds.GetStringValue(element, 0); } element = ds.FindFirstElement(null, DicomTagType.SOPInstanceUID, true); if (element != null) { storageInstance = ds.GetStringValue(element, 0); } // // Send associate request // DicomAssociate associate = new DicomAssociate(true); associate.Called = "ServerTest"; associate.Calling = "ClientTest"; associate.ImplementClass = "1.2.840.114257.1"; associate.ImplementationVersionName = "1"; associate.MaxLength = 0x100000; associate.AddPresentationContext(1, 0, DicomUidType.VerificationClass); associate.AddTransfer(1, DicomUidType.ImplicitVRLittleEndian); associate.AddPresentationContext(3, 0, storageClass); associate.AddTransfer(3, transferSyntax); client.SendAssociateRequest(associate); if (!client.Wait()) // wait for connection to finish { Debug.Fail("SendAssociateRequest timed out"); } // // Send Echo Request // byte pid = client.Association.FindAbstract(storageClass); client.SendCStoreRequest(pid, 2, storageClass, storageInstance, DicomCommandPriorityType.Medium, "NONE", 1, ds); if (!client.Wait()) // wait for connection to finish { Debug.Fail("SendCStoreRequest timed out"); } client.CloseForced(true); } server.CloseForced(true); } DicomEngine.Shutdown(); DicomNet.Shutdown(); } |