Structures ¶ RdtInitStructClientTCP (Struct) RdtInitStructServerTCP (Struct) RdtProtStructCommPh (Struct) RdtProtStructConnection (Struct) RdtProtStructResPh (Struct)

RdtInitStructClientTCP (STRUCT) ¶ TYPE RdtInitStructClientTCP : STRUCT Structurce for TCP client initialization InOut: Name Type Initial Comment sName STRING Name of the client, the name can be completely user defined sIPAddress STRING IpAdd of the server to connect with uiPort UINT Port of the server to connect with tTrsTimeout TIME Transmission timeout tRcvTimeout TIME Receiving timeout tConnActTimeout TIME Connection active timeout xUseTLS BOOL If the TLS encryption is used or not xUseCert BOOL If the certificate is used or not sCertCommonName STRING A string to select the correct certificate in local certificate store, hCert RTS_IEC_HANDLE RTS_INVALID_HANDLE External cert handle to use. Exclusive use vs cert name udiVerificationMode UDINT 2 1 => No peer verification 2 => Active Peer verification (4) => 2+4 = 6 => Force termination, if no client certificate (8) => 2+8=10 or 2+4+8 = 14 => Request client certificate only whithin initial handshake sTLSVersion STRING ‘1.2’ A string to select the correct protocol version, e.g.: ‘1.1’, ‘1.2’, sHostname STRING ‘’ A hostname to select the correct certificate on the server side. sCipher STRING ‘HIGH’ The cipher strings. See for example: https://www.openssl.org/docs/man1.1.1/man1/ciphers.html#CIPHER - LIST-FORMAT itfCertVerifer NBS.ICertificateVerifier 0 A callback for application specific certificate verification

RdtInitStructServerTCP (STRUCT) ¶ TYPE RdtInitStructServerTCP : STRUCT Structurce for TCP server initialization InOut: Name Type Initial Comment sName STRING Name of the client, the name can be completely user defined sIPAddress STRING IpAdd of the server to connect with uiPort UINT Port of the server to connect with iMaxConnections INT Max connection allowed tTrsTimeout TIME Transmission timeout tRcvTimeout TIME Receiving timeout tConnTimeout TIME Connection timeout tWaitAfterReset TIME Time to wait after reset (see time above) xUseTLS BOOL If the TLS encryption is used or not xUseCert BOOL If the certificate is used or not sCertCommonName STRING A string to select the correct certificate in local certificate store, hCert RTS_IEC_HANDLE RTS_INVALID_HANDLE External cert handle to use. Exclusive use vs cert name udiVerificationMode UDINT (2 + 4) 1 => No peer verification 2 => Active Peer verification (4) => 2+4 = 6 => Force termination, if no client certificate (8) => 2+8=10 or 2+4+8 = 14 => Request client certificate only whithin initial handshake sTLSVersion STRING ‘1.2’ A string to select the correct protocol version, e.g.: ‘1.1’, ‘1.2’, sHostname STRING ‘’ A hostname to select the correct certificate on the server side. sCipher STRING ‘HIGH’ The cipher strings. See for example: https://www.openssl.org/docs/man1.1.1/man1/ciphers.html#CIPHER - LIST-FORMAT itfCertVerifer NBS.ICertificateVerifier 0 A callback for application specific certificate verification

RdtProtStructCommPh (STRUCT) ¶ TYPE RdtProtStructCommPh : STRUCT Redundancy Data Transfer Protocol Command phase header InOut: Name Type Comment wKeyH WORD Head key bType BYTE Protocol type bFill BYTE uiCmd UINT Command diLen DINT Data length wKeyT WORD Tail key

RdtProtStructConnection (STRUCT) ¶ TYPE RdtProtStructConnection : STRUCT Redundancy Data Transfer Protocol Structure that contains the connection data InOut: Name Type Comment pConnection POINTER TO NBS.TCP_Connection Pointer to the connection ltLastActivity LTIME Timer to test activity on connection ltTimActivity LTIME Activity timeout before to close connection iResCnt INT Reset counters ltLastReset LTIME When done the last reset ltTimWaitAfterReset LTIME Time to wait after reset

RdtProtStructResPh (STRUCT) ¶ TYPE RdtProtStructResPh : STRUCT Redundancy Data Transfer Protocol Result phase header InOut: Name Type Comment wKeyH WORD Head key uiAns UINT Answer diLen DINT Data length iErr INT Error wKeyT WORD Tail key

File and Project Information ¶ Scope Name Type Content FileHeader creationDateTime date 20.07.2023, 15:03:42 companyName string 3S-Smart Software Solutions GmbH libraryFile RedundancyDataTransfer.library primaryProject True productName CODESYS productProfile CODESYS V3.5 SP16 Patch 3 contentFile RedundancyDataTransfer.clean.json version version 2.0.0.0 ProjectInformation AutoResolveUnbound bool True IsEndUserLibrary True Released True SourceLibrary False LastModificationDateTime date 20.07.2023, 15:03:42 LibraryCategories library-category-list Intern|Visu Author string 3S - Smart Software Solutions GmbH Company System CompiledLibraryCompatibilityVersion CODESYS V3.5 SP16 DefaultNamespace RDT Description See: Description DocFormat reStructuredText LanguageModelAttribute qualified-access-only Placeholder RedundancyDataTransfer Project RedundancyDataTransfer Title RedundancyDataTransfer Version version 4.1.0.0

Library Reference ¶ This is a dictionary of all referenced libraries and their name spaces. CAA FB Factory ¶ Library Identification ¶ Placeholder: CAA FB Factory Default Resolution: CAA FB Factory, * (CAA Technical Workgroup) Namespace: FBF Library Properties ¶ LinkAllContent: False Optional: False QualifiedOnly: True SystemLibrary: False Key: CAA FB Factory CAA Types Extern ¶ Library Identification ¶ Placeholder: CAA Types Default Resolution: CAA Types Extern, * (CAA Technical Workgroup) Namespace: CAA Library Properties ¶ LinkAllContent: False Optional: False QualifiedOnly: True SystemLibrary: False Key: CAA Types CmpErrors2 Interfaces ¶ Library Identification ¶ Name: CmpErrors2 Interfaces Version: newest Company: System Namespace: CmpErrors Library Properties ¶ LinkAllContent: False Optional: False QualifiedOnly: False SystemLibrary: False Key: CmpErrors2 Interfaces, * (System) CmpLog ¶ Library Identification ¶ Placeholder: CmpLog Default Resolution: CmpLog, * (System) Namespace: CmpLog Library Properties ¶ LinkAllContent: False Optional: False QualifiedOnly: False SystemLibrary: False Key: CmpLog CmpSettings ¶ Library Identification ¶ Placeholder: CmpSettings Default Resolution: CmpSettings, * (System) Namespace: CmpSettings Library Properties ¶ LinkAllContent: False Optional: False QualifiedOnly: False SystemLibrary: False Key: CmpSettings Net Base Services ¶ Library Identification ¶ Placeholder: NetBaseSrv Default Resolution: Net Base Services, * (3S - Smart Software Solutions GmbH) Namespace: NBS Library Properties ¶ LinkAllContent: False Optional: False QualifiedOnly: True SystemLibrary: False Key: NetBaseSrv Standard ¶ Library Identification ¶ Placeholder: Standard Default Resolution: Standard, * (System) Namespace: Standard Library Properties ¶ LinkAllContent: False Optional: False QualifiedOnly: False SystemLibrary: False Key: Standard StringUtils ¶ Library Identification ¶ Placeholder: StringUtils Default Resolution: StringUtils, * (System) Namespace: Stu Library Properties ¶ LinkAllContent: False Optional: False QualifiedOnly: False SystemLibrary: False Key: StringUtils SysMem ¶ Library Identification ¶ Placeholder: SysMem Default Resolution: SysMem, * (System) Namespace: SysMem Library Properties ¶ LinkAllContent: False Optional: False QualifiedOnly: False SystemLibrary: False Key: SysMem SysSem ¶ Library Identification ¶ Placeholder: SysSem Default Resolution: SysSem, * (System) Namespace: SysSem Library Properties ¶ LinkAllContent: False Optional: False QualifiedOnly: False SystemLibrary: False Key: SysSem SysTypes2 Interfaces ¶ Library Identification ¶ Name: SysTypes2 Interfaces Version: newest Company: System Namespace: SysTypes Library Properties ¶ LinkAllContent: False Optional: False QualifiedOnly: False SystemLibrary: False Key: SysTypes2 Interfaces, * (System)

RDT_Base.FlushRec (METH) ¶ METHOD FlushRec Flush receiving data InOut: Scope Name Type Comment Input itfConnection NBS.IConnection Connection to use

IRdtProt ¶ IPAddress (Property) Port (Property) RcvTimeout (Property) TrsTimeout (Property)