DCMTK: DcmSCPConfig Class Reference

DCMTK Version 3.7.0 OFFIS DICOM Toolkit

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DcmSCPConfig Class Reference

Class that encapsulates an SCP configuration that is needed in order to configure the service negotiation behavior (presentation contexts, AE title, listening port, etc) as well as some runtime configuration like the DIMSE timeout. More...

## Public Member Functions
| DcmSCPConfig ()
| Constructor, sets configuration's default values.
| ~DcmSCPConfig ()
| Destructor, cleans up memory.
| DcmSCPConfig (const DcmSCPConfig &old)
| copy constructor, performs deep copy.
DcmSCPConfig & | operator= (const DcmSCPConfig &obj)
| assignment operator, performs deep copy.
OFCondition | evaluateIncomingAssociation (T_ASC_Association &assoc) const
| This method evaluates an incoming association request according presentation context settings maintained by this configuration.
OFCondition | addPresentationContext (const OFString &abstractSyntax, const OFList< OFString > &xferSyntaxes, const T_ASC_SC_ROLE role=ASC_SC_ROLE_DEFAULT, const OFString &profile="DEFAULT")
| Add abstract syntax to presentation contexts the SCP is able to negotiate with SCUs.
void | setPort (const Uint16 port)
| Set SCP's TCP/IP listening port.
void | setAETitle (const OFString &aetitle)
| Set AE title of the server.
void | setRespondWithCalledAETitle (const OFBool useCalled)
| Set SCP to use the called AE title from the SCU request for the response, i.e. the SCP will always respond with setting its own name to the one the SCU used for calling.
OFCondition | loadAssociationCfgFile (const OFString &assocFile)
| Loads association configuration file.
OFCondition | setAndCheckAssociationProfile (const OFString &profileName)
| If an association profile should be selected, either by loading an association configuration file or using the addPresentationContext() function, one of those can be selected and checked for validity using this method.
OFString | getActiveAssociationProfile () const
| Returns the name of the currently active association profile.
OFCondition | checkAssociationProfile (const OFString &profileName, OFString &mangledName) const
| The profile with the given name is checked for validity using this method.
void | setImplementationIdentification (const T_ASC_ImplementationIdentification &implIdentification)
| Set association implementation identification parameters.
const T_ASC_ImplementationIdentification & | getImplementationIdentification () const
| Returns association implementation identification parameters.
void | forceAssociationRefuse (const OFBool doRefuse)
| Force every association request to be refused by SCP, no matter what the SCU is offering.
void | setMaxReceivePDULength (const Uint32 maxRecPDU)
| Set maximum PDU size the SCP is able to receive.
void | setConnectionBlockingMode (const DUL_BLOCKOPTIONS blockingMode)
| Set whether waiting for a TCP/IP connection should be blocking or non-blocking.
void | setDIMSEBlockingMode (const T_DIMSE_BlockingMode blockingMode)
| Set whether DIMSE messaging should be blocking or non-blocking.
void | setDIMSETimeout (const Uint32 dimseTimeout)
| Set the timeout to be waited for incoming DIMSE message packets.
void | setACSETimeout (const Uint32 acseTimeout)
| Set the timeout used during ACSE messaging protocol.
void | setConnectionTimeout (const Uint32 timeout)
| Set the timeout that should be waited for connection requests.
void | setVerbosePCMode (const OFBool mode)
| Set whether to show presentation contexts in verbose or debug mode.
void | setHostLookupEnabled (const OFBool mode)
| Enables or disables looking up the host name from a connecting system.
void | setProgressNotificationMode (const OFBool mode)
| Set the mode that specifies whether the progress of sending and receiving DIMSE messages is notified by calling DcmSCP::notifySENDProgress() and DcmSCP::notifyRECEIVEProgress(), respectively.
void | setAlwaysAcceptDefaultRole (const OFBool enabled)
| Option to always accept a default role as association acceptor.
Uint16 | getPort () const
| Returns TCP/IP port number SCP listens for new connection requests.
const OFString & | getAETitle () const
| Returns SCP's own AE title.
OFBool | getRespondWithCalledAETitle () const
| Returns whether SCP uses the called AE title from SCU requests to respond to connection requests instead of a configured AE title.
OFBool | getRefuseAssociation () const
| Returns whether SCP should refuse any association request no matter what the SCU proposes.
Uint32 | getMaxReceivePDULength () const
| Returns maximum PDU length configured to be received by SCP.
DUL_BLOCKOPTIONS | getConnectionBlockingMode () const
| Returns whether receiving of TCP/IP connection requests is done in blocking or unblocking mode.
T_DIMSE_BlockingMode | getDIMSEBlockingMode () const
| Returns whether receiving of DIMSE messages is done in blocking or unblocking mode.
Uint32 | getDIMSETimeout () const
| Returns DIMSE timeout (only applicable in blocking mode).
Uint32 | getACSETimeout () const
| Returns ACSE timeout.
Uint32 | getConnectionTimeout () const
| Returns connection timeout.
OFBool | getVerbosePCMode () const
| Returns the verbose presentation context mode configured specifying whether details on the presentation contexts (negotiated during association setup) should be shown in verbose or debug mode.
OFBool | getHostLookupEnabled () const
| Returns whether a connecting system's host name is looked up.
OFBool | getProgressNotificationMode () const
| Returns the mode that specifies whether the progress of sending and receiving DIMSE messages is notified by calling DcmSCP::notifySENDProgress() and DcmSCP::notifyRECEIVEProgress(), respectively.
OFBool | transportLayerEnabled () const
| Returns true if an external transport layer (e.g.
DcmTransportLayer * | getTransportLayer () const
| Returns pointer to the transport layer object in use.
void | setTransportLayer (DcmTransportLayer *tlayer)
| set an explicit transport layer (e.g.
void | dumpPresentationContexts (STD_NAMESPACE ostream &out, OFString profileName="")
| Dump presentation contexts to given output stream, useful for debugging.

## Protected Member Functions
OFString | mangleProfileName (const OFString &profile) const
| Mangles a given string into valid profile name.
OFString | numToString (const size_t num) const
| Convert number to string.
OFCondition | addNewTSList (const OFString &tsListName, const OFList< OFString > &ts)
| Add given list of transfers syntaxes under given name to SCP's association configuration.

## Protected Attributes
DcmAssociationConfiguration | m_assocConfig
| Association configuration.
OFString | m_assocCfgProfileName
| Profile in association configuration that should be used.
T_ASC_ImplementationIdentification | m_implIdentification
| Implementation Class UID and Implementation Version Name.
Uint16 | m_port
| Port on which the SCP is listening for association requests. The default port is 104.
OFString | m_aetitle
| AE title to be used for responding to SCU (default: DCMTK_SCP).
OFBool | m_refuseAssociation
| Indicates if the application shall refuse any association attempt regardless of what the SCU proposes.
Uint32 | m_maxReceivePDULength
| Maximum PDU size the SCP is able to receive.
DUL_BLOCKOPTIONS | m_connectionBlockingMode
| Blocking mode for TCP/IP connection requests.
T_DIMSE_BlockingMode | m_dimseBlockingMode
| Blocking mode for DIMSE operations.
Uint32 | m_dimseTimeout
| Timeout for DIMSE operations in seconds.
Uint32 | m_acseTimeout
| Timeout for ACSE operations in seconds.
OFBool | m_verbosePCMode
| Verbose PC mode.
Uint32 | m_connectionTimeout
| Timeout in seconds that should be waited for an incoming TCP/IP connection until the call returns.
OFBool | m_respondWithCalledAETitle
| If set, the AE title as received in the request (called AE title) is used in response (default: OFTrue).
OFBool | m_progressNotificationMode
| Progress notification mode (default: OFTrue).
DcmTransportLayer * | m_tLayer
| The transport layer in use for communication (e.g.

## Detailed Description

Class that encapsulates an SCP configuration that is needed in order to configure the service negotiation behavior (presentation contexts, AE title, listening port, etc) as well as some runtime configuration like the DIMSE timeout.

The configuration, however, is not updated to reflect any runtime connection information, e.g. information about the current SCU connected or the like. The presentation context configuration is held in profiles. Per default, the name of the active association configuration is DEFAULT.

## Constructor & Destructor Documentation

## ◆ DcmSCPConfig()

DcmSCPConfig::DcmSCPConfig | ( | const DcmSCPConfig & | old | ) |

copy constructor, performs deep copy.

Parameters

  old | item to be copied

References DcmSCPConfig().

## Member Function Documentation

## ◆ addNewTSList()

OFCondition DcmSCPConfig::addNewTSList | ( | const OFString & | tsListName,
|  | const OFList< OFString > & | ts )
| protected

Add given list of transfers syntaxes under given name to SCP's association configuration.

Parameters

  tsListName | [in] The name of the transfer syntax list to create
  ts | [in] The list of transfer snytaxes to add

Returns
  EC_Normal if adding was successful, error otherwise

## ◆ addPresentationContext()

OFCondition DcmSCPConfig::addPresentationContext | ( | const OFString & | abstractSyntax,
|  | const OFList< OFString > & | xferSyntaxes,
|  | const T_ASC_SC_ROLE | role = ASC_SC_ROLE_DEFAULT,
|  | const OFString & | profile = "DEFAULT" )

Add abstract syntax to presentation contexts the SCP is able to negotiate with SCUs.

Parameters

  abstractSyntax | [in] The UID of the abstract syntax (e.g. SOP class) to add
  xferSyntaxes | [in] List of transfer syntaxes (UIDs) that should be supported for the given abstract syntax name
  role | [in] The role to be negotiated
  profile | [in] The profile the abstract syntax should be added to. The default is to add it to the DcmSCP's internal standard profile called "DEFAULT".

Returns
  EC_Normal if adding was successful, an error code otherwise

## ◆ checkAssociationProfile()

OFCondition DcmSCPConfig::checkAssociationProfile | ( | const OFString & | profileName,
|  | OFString & | mangledName ) const

The profile with the given name is checked for validity using this method.

Parameters

  profileName | [in] The name of the association profile which should be checked
  mangledName | [out] The mangled profile name

Returns
  EC_Normal if profile is a valid SCP profile, error otherwise

## ◆ dumpPresentationContexts()

void DcmSCPConfig::dumpPresentationContexts | ( | STD_NAMESPACE ostream & | out,
|  | OFString | profileName = "" )

Dump presentation contexts to given output stream, useful for debugging.

Parameters

  out | [out] The output stream
  profileName | [in] The profile to dump. If empty (default), the currently selected profile is dumped.

## ◆ evaluateIncomingAssociation()

OFCondition DcmSCPConfig::evaluateIncomingAssociation | ( | T_ASC_Association & | assoc | ) | const

This method evaluates an incoming association request according presentation context settings maintained by this configuration.

Parameters

  assoc | T_ASC_Association structure to be evaluated

Returns
  EC_Normal if successful, an error code otherwise

## ◆ forceAssociationRefuse()

void DcmSCPConfig::forceAssociationRefuse | ( | const OFBool | doRefuse | ) |

Force every association request to be refused by SCP, no matter what the SCU is offering.

Parameters

  doRefuse | [in] If OFTrue, every association is being refused. DcmSCP's default is not to refuse every association.

## ◆ getACSETimeout()

Uint32 DcmSCPConfig::getACSETimeout | ( |  | ) | const

Returns ACSE timeout.

Returns
  ACSE timeout in seconds

## ◆ getActiveAssociationProfile()

OFString DcmSCPConfig::getActiveAssociationProfile | ( |  | ) | const

Returns the name of the currently active association profile.

Returns
  The name of the association profile that is currently active

## ◆ getAETitle()

const OFString & DcmSCPConfig::getAETitle | ( |  | ) | const

Returns SCP's own AE title.

Only used if the SCP is not configured to respond with the called AE title the SCU uses for association negotiation, see setRespondWithCalledAETitle().

Returns
  The configured AE title

## ◆ getConnectionBlockingMode()

DUL_BLOCKOPTIONS DcmSCPConfig::getConnectionBlockingMode | ( |  | ) | const

Returns whether receiving of TCP/IP connection requests is done in blocking or unblocking mode.

Returns
  DUL_BLOCK if in blocking mode, otherwise DUL_NOBLOCK

## ◆ getConnectionTimeout()

Uint32 DcmSCPConfig::getConnectionTimeout | ( |  | ) | const

Returns connection timeout.

Returns
  TCP/IP connection timeout in seconds

## ◆ getDIMSEBlockingMode()

T_DIMSE_BlockingMode DcmSCPConfig::getDIMSEBlockingMode | ( |  | ) | const

Returns whether receiving of DIMSE messages is done in blocking or unblocking mode.

Returns
  DIMSE_BLOCKING if in blocking mode, otherwise DIMSE_NONBLOCKING

## ◆ getDIMSETimeout()

Uint32 DcmSCPConfig::getDIMSETimeout | ( |  | ) | const

Returns DIMSE timeout (only applicable in blocking mode).

Returns
  DIMSE timeout in seconds

## ◆ getHostLookupEnabled()

OFBool DcmSCPConfig::getHostLookupEnabled | ( |  | ) | const

Returns whether a connecting system's host name is looked up.

Returns
  OFTrue, if host name lookup is enabled, OFFalse otherwise

## ◆ getImplementationIdentification()

const T_ASC_ImplementationIdentification & DcmSCPConfig::getImplementationIdentification | ( |  | ) | const

Returns association implementation identification parameters.

Returns
  Implementation Class UID and Implementation Version Name

## ◆ getMaxReceivePDULength()

Uint32 DcmSCPConfig::getMaxReceivePDULength | ( |  | ) | const

Returns maximum PDU length configured to be received by SCP.

Returns
  Maximum PDU length in bytes

## ◆ getPort()

Uint16 DcmSCPConfig::getPort | ( |  | ) | const

Returns TCP/IP port number SCP listens for new connection requests.

Returns
  The port number

## ◆ getProgressNotificationMode()

OFBool DcmSCPConfig::getProgressNotificationMode | ( |  | ) | const

Returns the mode that specifies whether the progress of sending and receiving DIMSE messages is notified by calling DcmSCP::notifySENDProgress() and DcmSCP::notifyRECEIVEProgress(), respectively.

The progress notification is enabled by default.

Returns
  The current progress notification mode, enabled if OFTrue

## ◆ getRefuseAssociation()

OFBool DcmSCPConfig::getRefuseAssociation | ( |  | ) | const

Returns whether SCP should refuse any association request no matter what the SCU proposes.

Returns
  OFTrue, if SCP is configured to refuse every association

## ◆ getRespondWithCalledAETitle()

OFBool DcmSCPConfig::getRespondWithCalledAETitle | ( |  | ) | const

Returns whether SCP uses the called AE title from SCU requests to respond to connection requests instead of a configured AE title.

Returns
  OFTrue, if the SCU's calling AE title is utilized, OFFalse otherwise

## ◆ getTransportLayer()

DcmTransportLayer * DcmSCPConfig::getTransportLayer | ( |  | ) | const

Returns pointer to the transport layer object in use.

Returns
  pointer to the transport layer object in use, may be NULL.

## ◆ getVerbosePCMode()

OFBool DcmSCPConfig::getVerbosePCMode | ( |  | ) | const

Returns the verbose presentation context mode configured specifying whether details on the presentation contexts (negotiated during association setup) should be shown in verbose or debug mode.

The latter is the default.

Returns
  The verbose presentation context mode configured

## ◆ loadAssociationCfgFile()

OFCondition DcmSCPConfig::loadAssociationCfgFile | ( | const OFString & | assocFile | ) |

Loads association configuration file.

Parameters

  assocFile | [in] The filename of the association configuration to be loaded. The association configuration file must be valid for an SCP.

Returns
  EC_Normal if loading was successful, error otherwise

## ◆ mangleProfileName()

OFString DcmSCPConfig::mangleProfileName | ( | const OFString & | profile | ) | const
| protected

Mangles a given string into valid profile name.

Removes all spaces, and converts lower case to upper case characters.

Parameters

  profile | [in] The unmangled profile name

Returns
  The mangled profile name

## ◆ numToString()

OFString DcmSCPConfig::numToString | ( | const size_t | num | ) | const
| protected

Convert number to string.

Parameters

  num | [in] The integer number to convert

Returns
  The string representing the given number

## ◆ operator=()

DcmSCPConfig & DcmSCPConfig::operator= | ( | const DcmSCPConfig & | obj | ) |

assignment operator, performs deep copy.

Parameters

  obj | the config to copy from

Returns
  Reference to "this" object

References DcmSCPConfig().

## ◆ setACSETimeout()

void DcmSCPConfig::setACSETimeout | ( | const Uint32 | acseTimeout | ) |

Set the timeout used during ACSE messaging protocol.

Parameters

  acseTimeout | [in] ACSE timeout in seconds.

## ◆ setAETitle()

void DcmSCPConfig::setAETitle | ( | const OFString & | aetitle | ) |

Set AE title of the server.

Parameters

  aetitle | [in] The AE title of the server. By default, all SCU association requests calling another AE title will be rejected. This behavior can be changed by using the setRespondWithCalledAETitle() method.

## ◆ setAlwaysAcceptDefaultRole()

void DcmSCPConfig::setAlwaysAcceptDefaultRole | ( | const OFBool | enabled | ) |

Option to always accept a default role as association acceptor.

If OFFalse (default) the acceptor will reject a presentation context proposed with Default role (no role selection at all) when it is configured for role SCP only. If this option is set to OFTrue then such presentation contexts will be accepted in Default role (i.e. acceptor does not return role selection for this presentation context at all). Overall, if set to OFTrue, there are no requestor proposals possible that lead to a complete rejection of a presentation context. See also role documentation in dul.h.

Parameters

  enabled | If OFTrue, do not reject Default role proposals when configured for SCP role. OFFalse (default behaviour): Reject such proposals.

## ◆ setAndCheckAssociationProfile()

OFCondition DcmSCPConfig::setAndCheckAssociationProfile | ( | const OFString & | profileName | ) |

If an association profile should be selected, either by loading an association configuration file or using the addPresentationContext() function, one of those can be selected and checked for validity using this method.

Parameters

  profileName | [in] The name of the association profile which must be configured before being selected here

Returns
  EC_Normal if selecting/checking was successful, an error code otherwise

## ◆ setConnectionBlockingMode()

void DcmSCPConfig::setConnectionBlockingMode | ( | const DUL_BLOCKOPTIONS | blockingMode | ) |

Set whether waiting for a TCP/IP connection should be blocking or non-blocking.

In non-blocking mode, the networking routines will wait for specified connection timeout, see setConnectionTimeout() function. In blocking mode, no timeout is set but the operating system's network routines will be used to read from the socket for incoming data. In the worst case, this may be a long time until that call returns. The default of DcmSCP is blocking mode.

Parameters

  blockingMode | [in] Either DUL_BLOCK for blocking mode or DUL_NOBLOCK for non-blocking mode

## ◆ setConnectionTimeout()

void DcmSCPConfig::setConnectionTimeout | ( | const Uint32 | timeout | ) |

Set the timeout that should be waited for connection requests.

Only relevant in non-blocking mode (which is not the default).

Parameters

  timeout | [in] TCP/IP connection timeout in seconds.

## ◆ setDIMSEBlockingMode()

void DcmSCPConfig::setDIMSEBlockingMode | ( | const T_DIMSE_BlockingMode | blockingMode | ) |

Set whether DIMSE messaging should be blocking or non-blocking.

In non-blocking mode, the networking routines will wait for DIMSE messages for the specified DIMSE timeout time, see setDIMSETimeout() function. In blocking mode, no timeout is set but the operating system's network routines will be used to read from the socket for new data. In the worst case, this may be a long time until that call returns. The default of DcmSCP is blocking mode.

Parameters

  blockingMode | [in] Either DIMSE_BLOCKING for blocking mode or DIMSE_NONBLOCKING for non-blocking mode

## ◆ setDIMSETimeout()

void DcmSCPConfig::setDIMSETimeout | ( | const Uint32 | dimseTimeout | ) |

Set the timeout to be waited for incoming DIMSE message packets.

This is only relevant for DIMSE blocking mode messaging (see also setDIMSEBlockingMode().

Parameters

  dimseTimeout | [in] DIMSE receive timeout in seconds

## ◆ setHostLookupEnabled()

void DcmSCPConfig::setHostLookupEnabled | ( | const OFBool | mode | ) |

Enables or disables looking up the host name from a connecting system.

Note that this sets a GLOBAL flag in DCMTK, i.e. the behavior changes for all servers. This should be changed in the future.

Parameters

  mode | [in] OFTrue, if host name lookup should be enabled, OFFalse for disabling it.

## ◆ setImplementationIdentification()

void DcmSCPConfig::setImplementationIdentification | ( | const T_ASC_ImplementationIdentification & | implIdentification | ) |

Set association implementation identification parameters.

Parameters

  implIdentification | [in] Implementation Class UID and Implementation Version Name

## ◆ setMaxReceivePDULength()

void DcmSCPConfig::setMaxReceivePDULength | ( | const Uint32 | maxRecPDU | ) |

Set maximum PDU size the SCP is able to receive.

This size is sent in association response message to SCU.

Parameters

  maxRecPDU | [in] The maximum PDU size to use in bytes

## ◆ setPort()

void DcmSCPConfig::setPort | ( | const Uint16 | port | ) |

Set SCP's TCP/IP listening port.

Parameters

  port | [in] The port number to listen on. Note that usually on Unix-like systems only root user is permitted to open ports below 1024. Port number 0 can be used to let the OS assign an available free port. In that case, the class using this SCP configuration should update the actual port using setPort() once it is known.

## ◆ setProgressNotificationMode()

void DcmSCPConfig::setProgressNotificationMode | ( | const OFBool | mode | ) |

Set the mode that specifies whether the progress of sending and receiving DIMSE messages is notified by calling DcmSCP::notifySENDProgress() and DcmSCP::notifyRECEIVEProgress(), respectively.

The progress notification is enabled by default.

Parameters

  mode | [in] Disable progress notification if OFFalse

## ◆ setRespondWithCalledAETitle()

void DcmSCPConfig::setRespondWithCalledAETitle | ( | const OFBool | useCalled | ) |

Set SCP to use the called AE title from the SCU request for the response, i.e. the SCP will always respond with setting its own name to the one the SCU used for calling.

Overrides any AE title eventually set with setAETitle().

Parameters

  useCalled | [in] If OFTrue, the SCP will use the called AE title from the request for responding. DcmSCP's default is OFFalse.

## ◆ setTransportLayer()

void DcmSCPConfig::setTransportLayer | ( | DcmTransportLayer * | tlayer | ) |

set an explicit transport layer (e.g.

for TLS communication) to use

Parameters

  tlayer | [in] The transport layer object. This function does not take ownership of tlayer.

## ◆ setVerbosePCMode()

void DcmSCPConfig::setVerbosePCMode | ( | const OFBool | mode | ) |

Set whether to show presentation contexts in verbose or debug mode.

Parameters

  mode | [in] Show presentation contexts in verbose mode if OFTrue. By default, the presentation contexts are shown in debug mode.

## ◆ transportLayerEnabled()

OFBool DcmSCPConfig::transportLayerEnabled | ( |  | ) | const

Returns true if an external transport layer (e.g.

TLS) is enabled, false if the default, transparent layer is used.

Returns
  true if an external transport layer is enabled

## Member Data Documentation

## ◆ m_acseTimeout

Uint32 DcmSCPConfig::m_acseTimeout
| protected

Timeout for ACSE operations in seconds.

Maximum time during association negotiation which is given for the SCU to follow the ACSE protocol.

## ◆ m_aetitle

OFString DcmSCPConfig::m_aetitle
| protected

AE title to be used for responding to SCU (default: DCMTK_SCP).

This value is not evaluated if the the SCP is configured to respond to any association requests with the name the SCU used as called AE title (which is the SCP's default behavior); see setRespondWithCalledAETitle().

## ◆ m_assocCfgProfileName

OFString DcmSCPConfig::m_assocCfgProfileName
| protected

Profile in association configuration that should be used.

By default, a profile called "DEFAULT" is used.

## ◆ m_assocConfig

DcmAssociationConfiguration DcmSCPConfig::m_assocConfig
| protected

Association configuration.

May be filled from association configuration file or by adding presentation contexts by calling addPresentationContext() (or both)

## ◆ m_connectionBlockingMode

DUL_BLOCKOPTIONS DcmSCPConfig::m_connectionBlockingMode
| protected

Blocking mode for TCP/IP connection requests.

If non-blocking mode is enabled, the SCP is waiting for new DIMSE data a specific (m_connectionTimeout) amount of time and then returns if not data arrives. In blocking mode, the SCP is calling the underlying operating system function for receiving data from the socket directly, which may return after a very long time (or never...), depending on the system's network configuration. Default is blocking mode.

## ◆ m_connectionTimeout

Uint32 DcmSCPConfig::m_connectionTimeout
| protected

Timeout in seconds that should be waited for an incoming TCP/IP connection until the call returns.

It is only relevant if the the SCP is set to non-blocking connection mode. Otherwise, the timeout is ignored. Default is 1000 seconds.

## ◆ m_dimseBlockingMode

T_DIMSE_BlockingMode DcmSCPConfig::m_dimseBlockingMode
| protected

Blocking mode for DIMSE operations.

If DIMSE non-blocking mode is enabled, the SCP is waiting for new DIMSE data a specific (m_dimseTimeout) amount of time and then returns if not data arrives. In blocking mode the SCP is calling the underlying operating system function for receiving data from the socket directly, which may return after a very long time, depending on the system's network configuration.

## ◆ m_dimseTimeout

Uint32 DcmSCPConfig::m_dimseTimeout
| protected

Timeout for DIMSE operations in seconds.

Maximum time in DIMSE non-blocking mode to wait for incoming DIMSE data.

## ◆ m_maxReceivePDULength

Uint32 DcmSCPConfig::m_maxReceivePDULength
| protected

Maximum PDU size the SCP is able to receive.

This value is sent to the SCU during association negotiation.

## ◆ m_tLayer

DcmTransportLayer* DcmSCPConfig::m_tLayer
| protected

The transport layer in use for communication (e.g.

for TLS). Default is NULL for the normal TCP layer.

## ◆ m_verbosePCMode

OFBool DcmSCPConfig::m_verbosePCMode
| protected

Verbose PC mode.

Flags specifying whether details on the presentation contexts (negotiated during association setup) should be shown in verbose or debug mode.

The documentation for this class was generated from the following file:

- dcmnet/include/dcmtk/dcmnet/scpcfg.h

Generated on for DCMTK Version 3.7.0 by Doxygen 1.16.1