cdac.medinfo.sdk.dcm30_04.services.cecho.scp

Class CEchoSCP

java.lang.Object

cdac.medinfo.sdk.dcm30_04.services.scp.commons.SCP

cdac.medinfo.sdk.dcm30_04.services.cecho.scp.CEchoSCP

All Implemented Interfaces:

IProcessHandler

public class CEchoSCP
extends SCP

The C-Echo service is for verification of communication to a remote DICOM AE. The C-Echo SCP supporting the Verification SOP Class SCP role, issues an CECHO response primitive.

Field Summary

Fields inherited from class cdac.medinfo.sdk.dcm30_04.services.scp.commons.SCP

objClientSession

Method Summary

Methods

Modifier and Type	Method and Description
void	close() Closes all the currently executing sessions gracefully.
static CEchoSCP	createInstance() Creates instance of C-Echo SCP.
static CEchoSCP	createInstance(ClientSession objClientSession) Creates instance of C-Echo SCP.
void	onAssociateReceive(ClientSession objClientSession) This method notifies when Association Request, Associate Release Request or Abort is received from one of the SCUs.
void	onClose(ClientSession objClientSession) Closes client Session.
void	onConnect(ClientSession objClientSession) This method notifies when a new client connection is requested.
void	onServiceRequest(ClientSession objClientSession) This method notifies when a service related request is received.
CEchoRSP	processRequest(DicomMessage objDicomMessage) This will give the response of C-Echo Request.
void	start(java.lang.String strAETitle, int port) This method will Start the C-Store Server on the local host at the port specified.
void	start(java.lang.String strAETitle, java.lang.String strIP, int port) This method will Start the C-Store Server at the IP and Port specified.
void	stopListening() Stops accepting new connection's from SCU's and continue to process already connected clients.

Methods inherited from class cdac.medinfo.sdk.dcm30_04.services.scp.commons.SCP

onException

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

createInstance

public static CEchoSCP createInstance(ClientSession objClientSession)

Creates instance of C-Echo SCP.

Parameters:

objClientSession - object of Client Session.

Returns:

CEchoSCP - Object of C-Echo SCP.

createInstance

public static CEchoSCP createInstance()

Creates instance of C-Echo SCP.

Returns:

CEchoSCP - Object of C-Echo SCP.

start

public void start(java.lang.String strAETitle,
         java.lang.String strIP,
         int port)
           throws java.io.IOException

This method will Start the C-Store Server at the IP and Port specified.

Parameters:

strAETitle - calling AE title for this service provider.

strIP - IP at which C-Store Server has to be started.

port - ort at which C-Store Server has to be started.

Throws:

java.io.IOException - throws IOException if IO operation fails.

start

public void start(java.lang.String strAETitle,
         int port)
           throws java.io.IOException

This method will Start the C-Store Server on the local host at the port specified.

Parameters:

strAETitle - calling AE title for this service provider..

port - port at which C-Store Server has to be started at local host.

Throws:

java.io.IOException - throws IOException if IO operation fails.

processRequest

public CEchoRSP processRequest(DicomMessage objDicomMessage)

This will give the response of C-Echo Request.

Specified by:

processRequest in class SCP

Parameters:

objDIMSERequest - - object of DIMSE request.

Returns:

DIMSEResponse instance of Dimse Response.

Throws:

java.io.IOException - if IO operation fails.

onAssociateReceive

public void onAssociateReceive(ClientSession objClientSession)

This method notifies when Association Request, Associate Release Request or Abort is received from one of the SCUs. If Association Request is received, Create Association Negotiator which negotiates the request with the existing default association and creates an AgreedAssociation which contains the negotiated association values. AssociationNegotiator returns the Association Response as AssociateAC when request is accepted or returns AssociateRQ is none of the values in Association Request are acceptable. If Associate Release Request is received, Create a Associate Release Response and send the response to the SCU using the respective ClientSession. If Abort is received, An Abort response must be generated and sent using ClientSession

Parameters:

objClientSession - object of client session.

onServiceRequest

public void onServiceRequest(ClientSession objClientSession)
                      throws java.io.IOException

This method notifies when a service related request is received. If C-Echo-RQ is received, Create CEchoSCP using the ClientSession. Process the request using the CEchoSCP process request and returns a CEchoRSP containing the response. Send this response using the ClientSession.

Parameters:

objClientSession - object of Client Session.

Throws:

java.io.IOException - Signals that an I/O exception has occurred.

onConnect

public void onConnect(ClientSession objClientSession)

This method notifies when a new client connection is requested. A decision is to be made whether to accept or reject the connection.

Parameters:

objClientSession - object of client session which will accept the connection.

onClose

public void onClose(ClientSession objClientSession)

Closes client Session.

Parameters:

objClientSession - Object of Client Session.

stopListening

public void stopListening()

Stops accepting new connection's from SCU's and continue to process already connected clients.

close

public void close()

Closes all the currently executing sessions gracefully.