219 lines
10 KiB
C
219 lines
10 KiB
C
|
/*
|
||
|
|
*
|
||
|
|
* Copyright (C) 1996-2012, OFFIS e.V.
|
||
|
|
* All rights reserved. See COPYRIGHT file for details.
|
||
|
|
*
|
||
|
|
* This software and supporting documentation were developed by
|
||
|
|
*
|
||
|
|
* OFFIS e.V.
|
||
|
|
* R&D Division Health
|
||
|
|
* Escherweg 2
|
||
|
|
* D-26121 Oldenburg, Germany
|
||
|
|
*
|
||
|
|
*
|
||
|
|
* Module: dcmwlm
|
||
|
|
*
|
||
|
|
* Author: Thomas Wilkens
|
||
|
|
*
|
||
|
|
* Purpose: Activity manager class for basic worklist management service
|
||
|
|
* class provider engines.
|
||
|
|
*
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef WlmActivityManager_h
|
||
|
|
#define WlmActivityManager_h
|
||
|
|
|
||
|
|
#include "dcmtk/config/osconfig.h"
|
||
|
|
#include "dcmtk/ofstd/ofcmdln.h" /* for OFCmdUnsignedInt */
|
||
|
|
#include "dcmtk/dcmdata/dcxfer.h" /* for E_TransferSyntax */
|
||
|
|
#include "dcmtk/dcmnet/dimse.h" /* for T_DIMSE_BlockingMode */
|
||
|
|
#include "dcmtk/dcmwlm/wltypdef.h" /* for WlmRefuseReasonType */
|
||
|
|
|
||
|
|
class WlmDataSource;
|
||
|
|
class OFCondition;
|
||
|
|
|
||
|
|
/** This class encapsulates data structures and operations for basic worklist management service
|
||
|
|
* class providers.
|
||
|
|
*/
|
||
|
|
class DCMTK_DCMWLM_EXPORT WlmActivityManager
|
||
|
|
{
|
||
|
|
protected:
|
||
|
|
/// data source connection object
|
||
|
|
WlmDataSource *dataSource;
|
||
|
|
/// port on which the application is listening
|
||
|
|
OFCmdUnsignedInt opt_port;
|
||
|
|
/// indicates if the application shall refuse any association
|
||
|
|
OFBool opt_refuseAssociation;
|
||
|
|
/// indicates if the application shall reject associations without implementation class uids
|
||
|
|
OFBool opt_rejectWithoutImplementationUID;
|
||
|
|
/// indicates how long the application shall sleep after a find
|
||
|
|
OFCmdUnsignedInt opt_sleepAfterFind;
|
||
|
|
/// indicates how long the application shall sleep during a find
|
||
|
|
OFCmdUnsignedInt opt_sleepDuringFind;
|
||
|
|
/// max pdu size
|
||
|
|
OFCmdUnsignedInt opt_maxPDU;
|
||
|
|
/// preferred network transfer syntax
|
||
|
|
E_TransferSyntax opt_networkTransferSyntax;
|
||
|
|
/// indicates if the application shall fail on an invalid C-Find RQ message
|
||
|
|
OFBool opt_failInvalidQuery;
|
||
|
|
/// indicates if the application is run in single process mode or not
|
||
|
|
OFBool opt_singleProcess;
|
||
|
|
/// indicates, that this process was spawn as child from a parent process
|
||
|
|
/// needed for multiprocess mode on WIN32
|
||
|
|
OFBool opt_forkedChild;
|
||
|
|
/// number of arguments in commandline, needed for multiprocess mode on WIN32
|
||
|
|
int cmd_argc;
|
||
|
|
/// complete command line, needed for multiprocess mode on WIN32
|
||
|
|
char **cmd_argv;
|
||
|
|
/// maximum number of association for non-single process mode
|
||
|
|
int opt_maxAssociations;
|
||
|
|
/// blocking mode for DIMSE operations
|
||
|
|
T_DIMSE_BlockingMode opt_blockMode;
|
||
|
|
/// timeout for DIMSE operations
|
||
|
|
int opt_dimse_timeout;
|
||
|
|
/// timeout for ACSE operations
|
||
|
|
int opt_acse_timeout;
|
||
|
|
/// array of supported abstract syntaxes
|
||
|
|
char **supportedAbstractSyntaxes;
|
||
|
|
/// number of array fields
|
||
|
|
int numberOfSupportedAbstractSyntaxes;
|
||
|
|
/// table of processes for non-single process mode
|
||
|
|
OFList<WlmProcessSlotType*> processTable;
|
||
|
|
|
||
|
|
/** This function takes care of receiving, negotiating and accepting/refusing an
|
||
|
|
* association request. Additionally, it handles the request the association
|
||
|
|
* requesting application transmits after a connection isd established.
|
||
|
|
* @param net Contains network parameters.
|
||
|
|
*/
|
||
|
|
OFCondition WaitForAssociation( T_ASC_Network *net );
|
||
|
|
|
||
|
|
/** This function takes care of removing items referring to (terminated) subprocess
|
||
|
|
* from the table which stores all subprocess information. Three different versions
|
||
|
|
* for three different platforms are implemented.
|
||
|
|
*/
|
||
|
|
void CleanChildren();
|
||
|
|
|
||
|
|
/** This function negotiates a presentation context which will be used by this application
|
||
|
|
* and the other DICOM appliation that requests an association.
|
||
|
|
* @param assoc The association (network connection to another DICOM application).
|
||
|
|
*/
|
||
|
|
OFCondition NegotiateAssociation( T_ASC_Association *assoc );
|
||
|
|
|
||
|
|
/** This function adds a process to the table that stores process information.
|
||
|
|
* @param pid the process id of the sub-process which was just started.
|
||
|
|
* @param assoc The association (network connection to another DICOM application).
|
||
|
|
*/
|
||
|
|
void AddProcessToTable( int pid, T_ASC_Association *assoc );
|
||
|
|
|
||
|
|
/** This function removes one particular item from the table which stores all subprocess
|
||
|
|
* information. The item which shall be deleted will be identified by its process id.
|
||
|
|
* @param pid process id.
|
||
|
|
*/
|
||
|
|
void RemoveProcessFromTable( int pid );
|
||
|
|
|
||
|
|
/** This function takes care of refusing an assocation request.
|
||
|
|
* @param assoc The association (network connection to another DICOM application).
|
||
|
|
* @param reason The reason why the association request will be refused.
|
||
|
|
*/
|
||
|
|
void RefuseAssociation( T_ASC_Association **assoc, WlmRefuseReasonType reason );
|
||
|
|
|
||
|
|
/** This function takes care of handling the other DICOM application's request. After
|
||
|
|
* having accomplished all necessary steps, the association will be dropped and destroyed.
|
||
|
|
* @param assoc The association (network connection to another DICOM application).
|
||
|
|
*/
|
||
|
|
void HandleAssociation( T_ASC_Association *assoc );
|
||
|
|
|
||
|
|
/** This function takes care of handling the other DICOM application's request.
|
||
|
|
* @param assoc The association (network connection to another DICOM application).
|
||
|
|
* @return An OFCondition value 'cond' for which 'cond.bad()' will always be set
|
||
|
|
* indicating that either some kind of error occurred, or that the peer aborted
|
||
|
|
* the association (DUL_PEERABORTEDASSOCIATION), or that the peer requested the
|
||
|
|
* release of the association (DUL_PEERREQUESTEDRELEASE).
|
||
|
|
*/
|
||
|
|
OFCondition ReceiveAndHandleCommands( T_ASC_Association *assoc );
|
||
|
|
|
||
|
|
/** Having received a DIMSE C-ECHO-RQ message, this function takes care of sending a
|
||
|
|
* DIMSE C-ECHO-RSP message over the network connection.
|
||
|
|
* @param assoc The association (network connection to another DICOM application).
|
||
|
|
* @param req The DIMSE C-ECHO-RQ message that was received.
|
||
|
|
* @param presId The ID of the presentation context which was specified in the PDV
|
||
|
|
* which contained the DIMSE command.
|
||
|
|
* @return OFCondition value denoting success or error.
|
||
|
|
*/
|
||
|
|
OFCondition HandleEchoSCP( T_ASC_Association *assoc, T_DIMSE_C_EchoRQ *req, T_ASC_PresentationContextID presId );
|
||
|
|
|
||
|
|
/** This function processes a DIMSE C-FIND-RQ commmand that was
|
||
|
|
* received over the network connection.
|
||
|
|
* @param assoc The association (network connection to another DICOM application).
|
||
|
|
* @param request The DIMSE C-FIND-RQ message that was received.
|
||
|
|
* @param presID The ID of the presentation context which was specified in the PDV
|
||
|
|
* which contained the DIMSE command.
|
||
|
|
* @return OFCondition value denoting success or error.
|
||
|
|
*/
|
||
|
|
OFCondition HandleFindSCP( T_ASC_Association *assoc, T_DIMSE_C_FindRQ *request, T_ASC_PresentationContextID presID );
|
||
|
|
|
||
|
|
/** Protected undefined copy-constructor. Shall never be called.
|
||
|
|
* @param Src Source object.
|
||
|
|
*/
|
||
|
|
WlmActivityManager( const WlmActivityManager &Src );
|
||
|
|
|
||
|
|
/** Protected undefined operator=. Shall never be called.
|
||
|
|
* @param Src Source object.
|
||
|
|
* @return Reference to this.
|
||
|
|
*/
|
||
|
|
WlmActivityManager &operator=( const WlmActivityManager &Src );
|
||
|
|
|
||
|
|
|
||
|
|
public:
|
||
|
|
/** constructor.
|
||
|
|
* @param dataSourcev Pointer to the data source which shall be used.
|
||
|
|
* @param opt_portv The port on which the application is supposed to listen.
|
||
|
|
* @param opt_refuseAssociationv Specifies if an association shall always be refused by the SCP.
|
||
|
|
* @param opt_rejectWithoutImplementationUIDv Specifies if the application shall reject an association if no implementation class UID is provided by the calling SCU.
|
||
|
|
* @param opt_sleepAfterFindv Specifies how many seconds the application is supposed to sleep after having handled a C-FIND-Rsp.
|
||
|
|
* @param opt_sleepDuringFindv Specifies how many seconds the application is supposed to sleep during the handling of a C-FIND-Rsp.
|
||
|
|
* @param opt_maxPDUv Maximum length of a PDU that can be received in bytes.
|
||
|
|
* @param opt_networkTransferSyntaxv Specifies the preferred network transfer syntaxes.
|
||
|
|
* @param opt_failInvalidQueryv Specifies if the application shall fail on an invalid query.
|
||
|
|
* @param opt_singleProcessv Specifies if the application shall run in a single process.
|
||
|
|
* @param opt_maxAssociationsv Specifies many concurrent associations the application shall be able to handle.
|
||
|
|
* @param opt_blockModev Specifies the blocking mode for DIMSE operations
|
||
|
|
* @param opt_dimse_timeoutv Specifies the timeout for DIMSE operations
|
||
|
|
* @param opt_acse_timeoutv Specifies the timeout for ACSE operations
|
||
|
|
* @param opt_forkedChildv Indicates, whether this process was "forked" from a parent process, default: false
|
||
|
|
* @param argcv Number of commandline arguments given
|
||
|
|
* @param argvv Complete command line
|
||
|
|
*/
|
||
|
|
WlmActivityManager(
|
||
|
|
WlmDataSource *dataSourcev,
|
||
|
|
OFCmdUnsignedInt opt_portv,
|
||
|
|
OFBool opt_refuseAssociationv,
|
||
|
|
OFBool opt_rejectWithoutImplementationUIDv,
|
||
|
|
OFCmdUnsignedInt opt_sleepAfterFindv,
|
||
|
|
OFCmdUnsignedInt opt_sleepDuringFindv,
|
||
|
|
OFCmdUnsignedInt opt_maxPDUv,
|
||
|
|
E_TransferSyntax opt_networkTransferSyntaxv,
|
||
|
|
OFBool opt_failInvalidQueryv,
|
||
|
|
OFBool opt_singleProcessv,
|
||
|
|
int opt_maxAssociationsv,
|
||
|
|
T_DIMSE_BlockingMode opt_blockModev,
|
||
|
|
int opt_dimse_timeoutv,
|
||
|
|
int opt_acse_timeoutv,
|
||
|
|
OFBool opt_forkedChild = OFFalse,
|
||
|
|
int argcv = 0,
|
||
|
|
char *argvv[] = NULL );
|
||
|
|
|
||
|
|
/** destructor
|
||
|
|
*/
|
||
|
|
~WlmActivityManager();
|
||
|
|
|
||
|
|
/** Starts providing the implemented service for calling SCUs.
|
||
|
|
* After having created an instance of this class, this function
|
||
|
|
* shall be called from main.
|
||
|
|
* @return Value that is supposed to be returned from main().
|
||
|
|
*/
|
||
|
|
OFCondition StartProvidingService();
|
||
|
|
};
|
||
|
|
|
||
|
|
#endif
|