cipconnectionmanager.h File Reference

#include "opener_user_conf.h"
#include "opener_api.h"
#include "typedefs.h"
#include "ciptypes.h"
#include "cipconnectionobject.h"

Include dependency graph for cipconnectionmanager.h:

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Go to the source code of this file.

Macros
#define	SEQ_GEQ16(a, b)   ( (short)( (a) - (b) ) >= 0 )
#define	SEQ_GEQ32(a, b)   ( (int)( (a) - (b) ) >= 0 )
#define	SEQ_GT32(a, b)   ( (int)( (a) - (b) ) > 0 )
#define	SEQ_LEQ16(a, b)   ( (short)( (a) - (b) ) <= 0 )
	similar macros for comparing 16 bit sequence numbers More...
#define	SEQ_LEQ32(a, b)   ( (int)( (a) - (b) ) <= 0 )
	macros for comparing sequence numbers according to CIP spec vol 2 3-4.2 for int type variables More...

Typedefs
typedef void(*	CloseSessionFunction )(const CipConnectionObject *const connection_object)

Enumerations
enum	ConnectionManagerExtendedStatusCode {   kConnectionManagerExtendedStatusCodeSuccess = 0x00, kConnectionManagerExtendedStatusCodeErrorConnectionInUseOrDuplicateForwardOpen = 0x0100, kConnectionManagerExtendedStatusCodeErrorTransportClassAndTriggerCombinationNotSupported = 0x0103, kConnectionManagerExtendedStatusCodeErrorOwnershipConflict = 0x0106,   kConnectionManagerExtendedStatusCodeErrorConnectionTargetConnectionNotFound, kConnectionManagerExtendedStatusCodeErrorTargetForConnectionNotConfigured, kConnectionManagerExtendedStatusCodeRpiNotSupported = 0x0111, kConnectionManagerExtendedStatusCodeErrorRpiValuesNotAcceptable = 0x0112,   kConnectionManagerExtendedStatusCodeErrorNoMoreConnectionsAvailable = 0x0113, kConnectionManagerExtendedStatusCodeErrorVendorIdOrProductcodeError = 0x0114, kConnectionManagerExtendedStatusCodeErrorDeviceTypeError = 0x0115, kConnectionManagerExtendedStatusCodeErrorRevisionMismatch = 0x0116,   kConnectionManagerExtendedStatusCodeNonListenOnlyConnectionNotOpened = 0x0119, kConnectionManagerExtendedStatusCodeTargetObjectOutOfConnections = 0x011A, kConnectionManagerExtendedStatusCodeProductionInhibitTimerGreaterThanRpi, kConnectionManagerExtendedStatusCodeTransportClassNotSupported = 0x011C,   kConnectionManagerExtendedStatusCodeProductionTriggerNotSuppoerted = 0x011D, kConnectionManagerExtendedStatusCodeDirectionNotSupported = 0x011E, kConnectionManagerExtendedStatusCodeInvalidOToTNetworkConnectionFixVar, kConnectionManagerExtendedStatusCodeInvalidTToONetworkConnectionFixVar,   kConnectionManagerExtendedStatusCodeInvalidOToTNetworkConnectionPriority, kConnectionManagerExtendedStatusCodeInvalidTToONetworkConnectionPriority, kConnectionManagerExtendedStatusCodeErrorInvalidOToTConnectionType = 0x0123, kConnectionManagerExtendedStatusCodeErrorInvalidTToOConnectionType = 0x0124,   kConnectionManagerExtendedStatusCodeInvalidOToTNetworkConnectionRedundantOwner = 0x0125, kConnectionManagerExtendedStatusCodeInvalidConfigurationSize = 0x0126, kConnectionManagerExtendedStatusCodeErrorInvalidOToTConnectionSize = 0x0127, kConnectionManagerExtendedStatusCodeErrorInvalidTToOConnectionSize = 0x0128,   kConnectionManagerExtendedStatusCodeInvalidConfigurationApplicationPath, kConnectionManagerExtendedStatusCodeInvalidConsumingApplicationPath = 0x012A, kConnectionManagerExtendedStatusCodeInvalidProducingApplicationPath = 0x012B, kConnectionManagerExtendedStatusCodeConfigurationSymbolDoesNotExist = 0x012C,   kConnectionManagerExtendedStatusCodeConsumingSymbolDoesNotExist = 0x012D, kConnectionManagerExtendedStatusCodeProducingSymbolDoesNotExist = 0x012E, kConnectionManagerExtendedStatusCodeInconsistentApplicationPathCombo = 0x012F, kConnectionManagerExtendedStatusCodeInconsistentConsumeDataFormat = 0x0130,   kConnectionManagerExtendedStatusCodeInconsistentProduceDataFormat = 0x0131, kConnectionManagerExtendedStatusCodeNullForwardOpenNotSupported = 0x0132, kConnectionManagerExtendedStatusCodeConnectionTimeoutMultiplierNotAcceptable, kConnectionManagerExtendedStatusCodeMismatchedTToONetworkConnectionFixVar,   kConnectionManagerExtendedStatusCodeMismatchedTToONetworkConnectionPriority, kConnectionManagerExtendedStatusCodeMismatchedTransportClass = 0x0137, kConnectionManagerExtendedStatusCodeMismatchedTToOProductionTrigger = 0x0138, kConnectionManagerExtendedStatusCodeMismatchedTToOProductionInhibitTimeSegment = 0x0139,   kConnectionManagerExtendedStatusCodeConnectionTimedOut = 0x0203, kConnectionManagerExtendedStatusCodeUnconnectedRequestTimedOut = 0x0204, kConnectionManagerExtendedStatusCodeErrorParameterErrorInUnconnectedSendService = 0x0205, kConnectionManagerExtendedStatusCodeMessageToLargeForUnconnectedSendService,   kConnectionManagerExtendedStatusCodeUnconnectedAcknowledgeWithoutReply, kConnectionManagerExtendedStatusCodeNoBufferMemoryAvailable = 0x0301, kConnectionManagerExtendedStatusCodeNetworkBandwithNotAvailableForData, kConnectionManagerExtendedStatusCodeNoConsumedConnectionIdFilterAvailable,   kConnectionManagerExtendedStatusCodeNotConfiguredToSendScheduledPriorityData = 0x0304, kConnectionManagerExtendedStatusCodeScheduleSignatureMismatch = 0x0305, kConnectionManagerExtendedStatusCodeScheduleSignatureValidationNotPossible, kConnectionManagerExtendedStatusCodePortNotAvailable = 0x0311,   kConnectionManagerExtendedStatusCodeLinkAddressNotValid = 0x0312, kConnectionManagerExtendedStatusCodeErrorInvalidSegmentTypeInPath = 0x0315, kConnectionManagerExtendedStatusCodeForwardCloseServiceConnectionPathMismatch = 0x0316, kConnectionManagerExtendedStatusCodeSchedulingNotSpecified = 0x0317,   kConnectionManagerExtendedStatusCodeLinkAddressToSelfInvalid = 0x0318, kConnectionManagerExtendedStatusCodeSecondaryResourcesUnavailable = 0x0319, kConnectionManagerExtendedStatusCodeRackConnectionAlreadyEstablished = 0x031A, kConnectionManagerExtendedStatusCodeModuleConnectionAlreadyEstablished,   kConnectionManagerExtendedStatusCodeMiscellaneous = 0x031C, kConnectionManagerExtendedStatusCodeRedundantConnectionMismatch = 0x031D, kConnectionManagerExtendedStatusCodeNoMoreUserConfigurableLinkConsumerResourcesAvailableInTheProducingModule = 0x031E, kConnectionManagerExtendedStatusCodeNoUserConfigurableLinkConsumerResourcesConfiguredInTheProducingModule = 0x031F,   kConnectionManagerExtendedStatusCodeNetworkLinkOffline = 0x0800, kConnectionManagerExtendedStatusCodeNoTargetApplicationDataAvailable = 0x0810, kConnectionManagerExtendedStatusCodeNoOriginatorApplicationDataAvailable, kConnectionManagerExtendedStatusCodeNodeAddressHasChangedSinceTheNetworkWasScheduled = 0x0812,   kConnectionManagerExtendedStatusCodeNotConfiguredForOffSubnetMulticast, kConnectionManagerExtendedStatusCodeInvalidProduceConsumeDataFormat = 0x0814, kConnectionManagerExtendedStatusWrongCloser = 0xFFFF }
	Connection Manager Error codes. More...
enum	ConnectionManagerGeneralStatus {   kConnectionManagerGeneralStatusSuccess = 0x00, kConnectionManagerGeneralStatusExtendedStatus = 0x01, kConnectionManagerGeneralStatusResourceUnavailableForUnconnectedSend = 0x02, kConnectionManagerGeneralStatusPathSegmentErrorInUnconnectedSend = 0x04,   kConnectionManagerGeneralStatusErrorInDataSegment = 0x09, kConnectionManagerGeneralStatusObjectStateError = 0x0C, kConnectionManagerGeneralStatusDeviceStateError = 0x10, kConnectionManagerGeneralStatusNotEnoughData = 0x13,   kConnectionManagerGeneralStatusTooMuchData = 0x15 }
	Connection Type constants of the Forward Open service request Indicates either a. More...

Functions
void	AddNewActiveConnection (const CipConnectionObject *const connection_object)
	Insert the given connection object to the list of currently active and managed connections. More...
void	CheckForTimedOutConnectionsAndCloseTCPConnections (const CipConnectionObject *const connection_object, CloseSessionFunction CloseSessions)
void	CloseConnection (CipConnectionObject *RESTRICT connection_object)
	Close the given connection. More...
EipStatus	ConnectionManagerInit (EipUint16 unique_connection_id)
	Initialize the data of the connection manager object. More...
CipConnectionObject *	GetConnectedObject (const EipUint32 connection_id)
	Get a connected object dependent on requested ConnectionID. More...
CipConnectionObject *	GetConnectedOutputAssembly (const EipUint32 output_assembly_id)
CipUint	GetConnectionId (void)
	Generate a new connection Id utilizing the Incarnation Id as described in the EIP specs. More...
EipBool8	IsConnectedOutputAssembly (const EipUint32 instance_number)
void	RemoveFromActiveConnections (CipConnectionObject *const connection_object)
	Removes connection from the list of active connections. More...

Macro Definition Documentation

#define SEQ_GEQ16	(		a,
			b
	)		( (short)( (a) - (b) ) >= 0 )

b

Definition at line 160 of file cipconnectionmanager.h.

#define SEQ_GEQ32	(		a,
			b
	)		( (int)( (a) - (b) ) >= 0 )

b

Definition at line 151 of file cipconnectionmanager.h.

#define SEQ_GT32	(		a,
			b
	)		( (int)( (a) - (b) ) > 0 )

Definition at line 152 of file cipconnectionmanager.h.

Referenced by HandleReceivedConnectedData().

#define SEQ_LEQ16	(		a,
			b
	)		( (short)( (a) - (b) ) <= 0 )

similar macros for comparing 16 bit sequence numbers

Definition at line 159 of file cipconnectionmanager.h.

Referenced by HandleReceivedIoConnectionData().

#define SEQ_LEQ32	(		a,
			b
	)		( (int)( (a) - (b) ) <= 0 )

macros for comparing sequence numbers according to CIP spec vol 2 3-4.2 for int type variables

Definition at line 150 of file cipconnectionmanager.h.

Typedef Documentation

typedef void(* CloseSessionFunction)(const CipConnectionObject *const connection_object)

Definition at line 224 of file cipconnectionmanager.h.

Enumeration Type Documentation

enum ConnectionManagerExtendedStatusCode

Connection Manager Error codes.

Enumerator
kConnectionManagerExtendedStatusCodeSuccess	Obsolete code, should be General Status - Everything is ok
kConnectionManagerExtendedStatusCodeErrorConnectionInUseOrDuplicateForwardOpen	General Status has to be 0x01, Connection is already in use, or a duplicate Forward Open was received
kConnectionManagerExtendedStatusCodeErrorTransportClassAndTriggerCombinationNotSupported	General Status has to be 0x01, A Transport class and trigger combination has been specified, which is not supported by the target application
kConnectionManagerExtendedStatusCodeErrorOwnershipConflict	General Status has to be 0x01, Another connection has already reserved some needed resources
kConnectionManagerExtendedStatusCodeErrorConnectionTargetConnectionNotFound	General Status has to be 0x01, Forward Close error message, if connection to be closed is not found at the target
kConnectionManagerExtendedStatusCodeErrorTargetForConnectionNotConfigured	General Status has to be 0x01, Target application not configured and connection request does not contain data segment for configuration
kConnectionManagerExtendedStatusCodeRpiNotSupported
kConnectionManagerExtendedStatusCodeErrorRpiValuesNotAcceptable	General Status has to be 0x01, Requested RPI parameters outside of range, needs 6 16-bit extended status words, see Vol.1 Table 3-5.33
kConnectionManagerExtendedStatusCodeErrorNoMoreConnectionsAvailable	General Status has to be 0x01, No free connection slots available
kConnectionManagerExtendedStatusCodeErrorVendorIdOrProductcodeError	General Status has to be 0x01, The Product Code or Vendor ID in the electronic key logical segment does not match the Product Code or Vendor ID of the device, or if the compatibility bit is set and one or both are zero, or cannot be emulated.
kConnectionManagerExtendedStatusCodeErrorDeviceTypeError	General Status has to be 0x01, Device Type specified in the electronic key logical segment does not match the Device Type, or if the compatibility bit is set and Device Type is zero, or cannot be emulated.
kConnectionManagerExtendedStatusCodeErrorRevisionMismatch	General Status has to be 0x01, Major and minor revision specified in the electronic key logical segment is not a valid revision of the device, or if the compatibility bit is set and the requested Major Revision and/or Minor Revision is 0 or the device cannot emulate the specified revision.
kConnectionManagerExtendedStatusCodeNonListenOnlyConnectionNotOpened	General Status has to be 0x01, listen-only connection cannot be established, if no non-listen only connections are established
kConnectionManagerExtendedStatusCodeTargetObjectOutOfConnections	Maximum number of connections supported by the instance of the target object exceeded
kConnectionManagerExtendedStatusCodeProductionInhibitTimerGreaterThanRpi	The Production Inhibit Time is greater than the Target to Originator RPI
kConnectionManagerExtendedStatusCodeTransportClassNotSupported	The transport class requested in the Transport Type/Trigger parameter is not supported.
kConnectionManagerExtendedStatusCodeProductionTriggerNotSuppoerted	The production trigger requested in the Transport Type/Trigger parameter is not supported.
kConnectionManagerExtendedStatusCodeDirectionNotSupported	The direction requested in the Transport Type/Trigger parameter is not supported
kConnectionManagerExtendedStatusCodeInvalidOToTNetworkConnectionFixVar	Shall be returned as the result of specifying an O->T fixed / variable flag that is not supported.
kConnectionManagerExtendedStatusCodeInvalidTToONetworkConnectionFixVar	Shall be returned as the result of specifying an T->O fixed / variable flag that is not supported.
kConnectionManagerExtendedStatusCodeInvalidOToTNetworkConnectionPriority	Shall be returned as the result of specifying an O->T priority code that is not supported.
kConnectionManagerExtendedStatusCodeInvalidTToONetworkConnectionPriority	Shall be returned as the result of specifying an T->O priority code that is not supported.
kConnectionManagerExtendedStatusCodeErrorInvalidOToTConnectionType	Shall be returned as the result of specifying an O->T connection type that is not supported
kConnectionManagerExtendedStatusCodeErrorInvalidTToOConnectionType	Shall be returned as the result of specifying a T->O connection type that is not supported
kConnectionManagerExtendedStatusCodeInvalidOToTNetworkConnectionRedundantOwner	Shall be returned as the result of specifying an O->T Redundant Owner flag that is not supported.
kConnectionManagerExtendedStatusCodeInvalidConfigurationSize	The data segment provided in the Connection_Path parameter did not contain an acceptable number of 16-bit words for the the configuration application path requested. Two additional status words shall follow, the error code plus the max size in words
kConnectionManagerExtendedStatusCodeErrorInvalidOToTConnectionSize	The size of the consuming object declared in the Forward_Open request and available on the target does not match the size declared in the O->T Network Connection Parameter. Two additional status words shall follow, the error code plus the max size in words
kConnectionManagerExtendedStatusCodeErrorInvalidTToOConnectionSize	The size of the consuming object declared in the Forward_Open request and available on the target does not match the size declared in the T->O Network Connection Parameter. Two additional status words shall follow, the error code plus the max size in words
kConnectionManagerExtendedStatusCodeInvalidConfigurationApplicationPath	Configuration application path specified does not correspond to a valid configuration application path within the target application. This error could also be returned if a configuration application path was required, but not provided by a connection request.
kConnectionManagerExtendedStatusCodeInvalidConsumingApplicationPath	Consumed application path specified does not correspond to a valid consumed application path within the target application. This error could also be returned if a consumed application path was required, but not provided by a connection request.
kConnectionManagerExtendedStatusCodeInvalidProducingApplicationPath	Produced application path specified does not correspond to a valid produced application path within the target application. This error could also be returned if a produced application path was required, but not provided by a connection request.
kConnectionManagerExtendedStatusCodeConfigurationSymbolDoesNotExist
kConnectionManagerExtendedStatusCodeConsumingSymbolDoesNotExist
kConnectionManagerExtendedStatusCodeProducingSymbolDoesNotExist
kConnectionManagerExtendedStatusCodeInconsistentApplicationPathCombo
kConnectionManagerExtendedStatusCodeInconsistentConsumeDataFormat
kConnectionManagerExtendedStatusCodeInconsistentProduceDataFormat
kConnectionManagerExtendedStatusCodeNullForwardOpenNotSupported
kConnectionManagerExtendedStatusCodeConnectionTimeoutMultiplierNotAcceptable
kConnectionManagerExtendedStatusCodeMismatchedTToONetworkConnectionFixVar
kConnectionManagerExtendedStatusCodeMismatchedTToONetworkConnectionPriority
kConnectionManagerExtendedStatusCodeMismatchedTransportClass
kConnectionManagerExtendedStatusCodeMismatchedTToOProductionTrigger
kConnectionManagerExtendedStatusCodeMismatchedTToOProductionInhibitTimeSegment
kConnectionManagerExtendedStatusCodeConnectionTimedOut
kConnectionManagerExtendedStatusCodeUnconnectedRequestTimedOut
kConnectionManagerExtendedStatusCodeErrorParameterErrorInUnconnectedSendService
kConnectionManagerExtendedStatusCodeMessageToLargeForUnconnectedSendService
kConnectionManagerExtendedStatusCodeUnconnectedAcknowledgeWithoutReply
kConnectionManagerExtendedStatusCodeNoBufferMemoryAvailable
kConnectionManagerExtendedStatusCodeNetworkBandwithNotAvailableForData
kConnectionManagerExtendedStatusCodeNoConsumedConnectionIdFilterAvailable
kConnectionManagerExtendedStatusCodeNotConfiguredToSendScheduledPriorityData
kConnectionManagerExtendedStatusCodeScheduleSignatureMismatch
kConnectionManagerExtendedStatusCodeScheduleSignatureValidationNotPossible
kConnectionManagerExtendedStatusCodePortNotAvailable
kConnectionManagerExtendedStatusCodeLinkAddressNotValid
kConnectionManagerExtendedStatusCodeErrorInvalidSegmentTypeInPath
kConnectionManagerExtendedStatusCodeForwardCloseServiceConnectionPathMismatch
kConnectionManagerExtendedStatusCodeSchedulingNotSpecified
kConnectionManagerExtendedStatusCodeLinkAddressToSelfInvalid
kConnectionManagerExtendedStatusCodeSecondaryResourcesUnavailable
kConnectionManagerExtendedStatusCodeRackConnectionAlreadyEstablished
kConnectionManagerExtendedStatusCodeModuleConnectionAlreadyEstablished
kConnectionManagerExtendedStatusCodeMiscellaneous
kConnectionManagerExtendedStatusCodeRedundantConnectionMismatch
kConnectionManagerExtendedStatusCodeNoMoreUserConfigurableLinkConsumerResourcesAvailableInTheProducingModule
kConnectionManagerExtendedStatusCodeNoUserConfigurableLinkConsumerResourcesConfiguredInTheProducingModule
kConnectionManagerExtendedStatusCodeNetworkLinkOffline
kConnectionManagerExtendedStatusCodeNoTargetApplicationDataAvailable
kConnectionManagerExtendedStatusCodeNoOriginatorApplicationDataAvailable
kConnectionManagerExtendedStatusCodeNodeAddressHasChangedSinceTheNetworkWasScheduled
kConnectionManagerExtendedStatusCodeNotConfiguredForOffSubnetMulticast
kConnectionManagerExtendedStatusCodeInvalidProduceConsumeDataFormat
kConnectionManagerExtendedStatusWrongCloser

Definition at line 35 of file cipconnectionmanager.h.

enum ConnectionManagerGeneralStatus

Connection Type constants of the Forward Open service request Indicates either a.

• Null Request
• Point-to-point connection request (unicast)
• Multicast connection request

Enumerator
kConnectionManagerGeneralStatusSuccess	General Status - Everything is ok
kConnectionManagerGeneralStatusExtendedStatus	Indicates that extended status is set
kConnectionManagerGeneralStatusResourceUnavailableForUnconnectedSend
kConnectionManagerGeneralStatusPathSegmentErrorInUnconnectedSend
kConnectionManagerGeneralStatusErrorInDataSegment
kConnectionManagerGeneralStatusObjectStateError
kConnectionManagerGeneralStatusDeviceStateError
kConnectionManagerGeneralStatusNotEnoughData
kConnectionManagerGeneralStatusTooMuchData

Definition at line 23 of file cipconnectionmanager.h.

Function Documentation

void AddNewActiveConnection

(

const CipConnectionObject *const

connection_object

)

Insert the given connection object to the list of currently active and managed connections.

By adding a connection to the active connection list the connection manager will perform the supervision and handle the timing (e.g., timeout, production inhibit, etc).

Parameters

connection_object

pointer to the connection object to be added.

Definition at line 1406 of file cipconnectionmanager.c.

References ConnectionObjectSetState(), DoublyLinkedListInsertAtHead(), and kConnectionObjectStateEstablished.

Referenced by EstablishClass3Connection(), and EstablishIoConnection().

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void CheckForTimedOutConnectionsAndCloseTCPConnections	(	const CipConnectionObject *const	connection_object,
		CloseSessionFunction	CloseSessions
	)

Definition at line 1506 of file cipconnectionmanager.c.

References ConnectionObjectEqualOriginator(), ConnectionObjectGetState(), doubly_linked_list_node::data, DoublyLinkedList::first, kConnectionObjectStateTimedOut, and doubly_linked_list_node::next.

Referenced by Class3ConnectionTimeoutHandler(), and HandleIoConnectionTimeOut().

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void CloseConnection

(

CipConnectionObject *RESTRICT

connection_object

)

Close the given connection.

This function will take the data form the connection and correctly closes the connection (e.g., open sockets)

Parameters

connection_object

pointer to the connection object structure to be closed

Definition at line 1385 of file cipconnectionmanager.c.

References CloseUdpSocket(), ConnectionObjectGetTransportClassTriggerTransportClass(), ConnectionObjectInitializeEmpty(), kConnectionObjectTransportClassTriggerTransportClass3, kUdpCommuncationDirectionConsuming, kUdpCommuncationDirectionProducing, and RemoveFromActiveConnections().

Referenced by Class3ConnectionTimeoutHandler(), and EstablishClass3Connection().

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EipStatus ConnectionManagerInit

(

EipUint16

unique_connection_id

)

Initialize the data of the connection manager object.

Parameters

unique_connection_id

A unique connection id

Returns

kEipStatusOk if successful, otherwise kEipStatusError

Definition at line 207 of file cipconnectionmanager.c.

References AddConnectableObject(), CreateCipClass(), EstablishClass3Connection(), EstablishIoConnection(), ForwardClose(), ForwardOpen(), g_incarnation_id, GetAttributeAll(), GetAttributeSingle(), GetConnectionOwner(), InitializeConnectionManager(), InitializeConnectionManagerData(), InsertService(), kEipStatusError, kEipStatusOk, kForwardClose, kForwardOpen, kGetAttributeAll, kGetAttributeSingle, and kGetConnectionOwner.

Referenced by CipStackInit().

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CipConnectionObject* GetConnectedObject

(

const EipUint32

connection_id

)

Get a connected object dependent on requested ConnectionID.

Parameters

connection_id

Connection ID of the Connection Object to get

Returns

pointer to connected Object NULL .. connection not present in device

Definition at line 920 of file cipconnectionmanager.c.

References ConnectionObjectGetCipConsumedConnectionID(), ConnectionObjectGetState(), doubly_linked_list_node::data, DoublyLinkedList::first, kConnectionObjectStateEstablished, and doubly_linked_list_node::next.

Referenced by HandleReceivedConnectedData(), and NotifyConnectedCommonPacketFormat().

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CipConnectionObject* GetConnectedOutputAssembly

(

const EipUint32

output_assembly_id

)

Get a connection object for a given output assembly.

Parameters

output_assembly_id

requested output assembly of requested connection

Returns

pointer to connected Object 0 .. connection not present in device

Definition at line 935 of file cipconnectionmanager.c.

References ConnectionObjectGetInstanceType(), ConnectionObjectGetState(), doubly_linked_list_node::data, DoublyLinkedList::first, kConnectionObjectInstanceTypeIOExclusiveOwner, kConnectionObjectStateEstablished, kConnectionObjectStateTimedOut, and doubly_linked_list_node::next.

Referenced by GetExclusiveOwnerConnection().

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CipUint GetConnectionId

(

void

)

Generate a new connection Id utilizing the Incarnation Id as described in the EIP specs.

A unique connectionID is formed from the boot-time-specified "incarnation ID" and the per-new-connection-incremented connection number/counter.

Returns

new connection id

Definition at line 177 of file cipconnectionmanager.c.

References g_incarnation_id.

Referenced by ConnectionObjectGeneralConfiguration().

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EipBool8 IsConnectedOutputAssembly

(

const EipUint32

instance_number

)

Definition at line 1424 of file cipconnectionmanager.c.

References ConnectionObjectIsTypeIOConnection(), cip_connection_object::consumed_path, doubly_linked_list_node::data, DoublyLinkedList::first, connection_path_epath::instance_id, and doubly_linked_list_node::next.

Referenced by SetAssemblyAttributeSingle().

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void RemoveFromActiveConnections

(

CipConnectionObject *const

connection_object

)

Removes connection from the list of active connections.

Parameters

connection_object

Connection object to be removed from the active connection list

Definition at line 1413 of file cipconnectionmanager.c.

References DoublyLinkedListRemoveNode(), DoublyLinkedList::first, doubly_linked_list_node::next, and OPENER_TRACE_ERR.

Referenced by CloseCommunicationChannelsAndRemoveFromActiveConnectionsList(), and CloseConnection().

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