Data Interfaces

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ISO-OSI 7-Layer Model © SAP AG SDLC LU6.2 (APPC) Ethernet Token Ring RFC CPI-C X.25 X.25 Ethernet TCP/IP (sockets) In very simple terms, the ISO-OSI 7-layer model can be split into three sections: A: At the lowest level (layer 1) are the different networks such as Ethernet, Token-Ring, X.25 etc. There is a backup layer (2) between the network layer and the routing layer (3). B: In the middle level (layers 3 and 4) are the transport protocols, including the well-known protocol TCP/IP. Strictly speaking, TCP should be assigned layer 4 and IP to layer 3. Since the SNA-LU6.2 protocol is normally based on IBM’s own SNA architecture model, it is shown in the ISO-OSI 7-layer model on layers 3 to 6. Nevertheless, it should still be considered as a transport protocol. C: The session, presentation and application layers (5, 6, 7) form the upper third of the model. End-users can only access the application layer. The programming interface CPI-C is also included at this last level. RFC is to be found at a higher level still. It is thus based on CPI-C. Token Ring ... 7 6 5 4 3 2 1
SAP Gateway (CPI-C Handler) SD MM PP QM PM R/3 R/3 Client / / Server ABAP/4 HR FI CO AM PS WF IS © SAP AG External program SAP gateway The SAP gateway is used for every CPI-C or RFC communication. MM PP PP QM PM R/3 SD R/3 Client / / Server ABAP/4 HR FI CO AM PS WF IS IBM/SNI host The SAP gateway consists of several programs. At runtime, these can be identified as the "gw*" processes. If you wish, the CPI-C handler can perform a protocol conversion. You need this if, for example, you want to set up a connection to an IBM host system. Every application server has a gateway. It is also possible to install an SAP gateway as a standalone instance. The SAP gateway is ported for SNI BS2000. R/2
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Page 3 and 4: Chapter 1 Basic Techniques © SAP A
Page 5 and 6: Linking Options Overview © SAP AG
Page 7 and 8: Indirect Communication I © SAP AG
Page 9 and 10: Transferring Time-critical Data ©
Page 11 and 12: Direct Communication II Remote call
Page 13: Network: TCP/IP and SNA LU6.2 TCP/I
Page 17 and 18: Chapter 1 Summary © SAP AG l The R
Page 19 and 20: Chapter 2 Objectives © SAP AG l Th
Page 21 and 22: Communication: R/3 External Program
Page 23 and 24: SAP Side Information Tables (CPI-C)
Page 25 and 26: Communication Between Two R/3 Syste
Page 27 and 28: R/3 R/2 Communication (IBM) © SAP
Page 29 and 30: R/3 R/2 Communication (SNI) © SAP
Page 31 and 32: R/3 External Program (UNIX) © SAP
Page 33 and 34: R/3 External Program (Windows NT)
Page 35 and 36: R/3 External Program (WfW , Window
Page 37 and 38: R/3 IBM Host / AS400 © SAP AG Ext
Page 39 and 40: External Program (LU6.2) R/3 Exter
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Page 45 and 46: RFC Features © SAP AG Automatic Au
Page 47 and 48: Local Call of Function Modules ABAP
Page 49 and 50: REMOTE FUNCTION CALL (RFC) SAP syst
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Desktop SDK (for Windows) © SAP AG
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RFC Server: rfcexec R/3 © SAP AG n
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RFC Generator l RFC generator gener
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RFC Generator for Visual Basic Prog
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Chapter 3 Summary © SAP AG l RFC a
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3. Maintain a logical destination (
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Exercise 3 for Chapter 3 Report nam
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ENDCASE. LOOP AT CARRITAB. WRITE: /
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CASE SY-SUBRC. WHEN 1. WRITE: / MES
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IF SY-SUBRC 0. ENDIF. WRITE: / 'Er
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Chapter 4 Objectives © SAP AG l Ce
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SAP Desktop Integration: Tools l Ba
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Component Architecture © SAP AG OL
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OLE 2.0 Components Automation Struc
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R/3 and OLE 2.0 Automation ABAP/4 S
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OLE 2.0 Client Properties l Facilit
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ABAP/4 Statements for OLE 2.0 Five
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OLE Server Architecture in R/3 Desk
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RFC Object Hierarchy Exports collec
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Setting Up a Connection to R/3 Logo
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Calling an R/3 Function (2.1) Creat
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Working with Tables: Results (1) Wo
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Working with Tables: Entry (1) Crea
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Exercise for Chapter 4 Report name:
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* Fill line in EXCEL sheet with hea
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Chapter 5 Objectives © SAP AG l Th
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General Flow System 1 System 2 © S
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the editor program “vi”
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CPI-C Calls in ABAP/4 © SAP AG COM
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Standard Includes (Data Definitions
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Setting Up Connections Actively (AL
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Sending Data (SEND) ABAP/4 C ... CO
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Status and Data Information in RECE
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CPI-C Return Codes ABAP/4: Include
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CPI-C SAP-specific Functions SAP_CM
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ABAP/4 Program as Server © SAP AG
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Conversion Commands © SAP AG ABAP/
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Logon to the SAP System Logon CONN
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CPI-C Development Environment l ABA
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Executing CPI-C Test Programs © SA
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Chapter 5 Summary © SAP AG l SAP p
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Solution for Chapter 5 &-----------
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Outlook: SAP Business Objects l Obj
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Outlook: Object Hierarchy © SAP AG
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© SAP AG Data Transfer Application
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Chapter 1 Sequential Files © SAP A
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Overview © SAP AG ABAP/4 program R
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File Processing © SAP AG Open file
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Opening a File (Binary and Text Mod
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Opening a File - AT POSITION © SAP
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Reading Data Records © SAP AG READ
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Example: Creating a File © SAP AG
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Example: Reading a File © SAP AG R
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Example: Variable Format (Generate)
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Defining Structures - Summary Yes
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Exercises on Chapter 1: Sequential
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Model Solution 1 for Chapter 1: Seq
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Model Solution 2 for Chapter 1: Seq
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Chapter 2 Introduction to Batch Inp
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Task Overview © SAP AG External Ex
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Technique Overview External system
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Batch Input Processing © SAP AG SA
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Batch Input Queue File © SAP AG Sc
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Creating a Batch Input Session © S
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Function Module BDC_OPEN_GROUP © S
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BDC Table Program Screen Start Fiel
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Filling the BDC Table © SAP AG FOR
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Example: Change Customer Data © SA
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Preparations for BDC Program - Scre
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Declaration Part 1 © SAP AG REPORT
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Filling the BDC Table 2 © SAP AG F
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Filling the BDC Table 4 © SAP AG C
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Generating a Sequential File for BD
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Reading in the Data and Creating Se
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Copying Data to Screens © SAP AG S
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Batch Input Processing © SAP AG Fu
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Creating and Processing Sessions ©
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Summary of Batch Input Programs ©
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Exercises for Chapter 2: Introducti
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The 'U' and 'N' records are filled
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Model solution 1 (Chapter 2): Intro
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ENDDO. * Close the completed sessio
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VALUE TO BDC_TAB-DYNPRO, 'X' TO BDC
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* the BDC_TAB (screen format), irre
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Chapter 3 Objectives © SAP AG l Ac
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Preparations for BDC Program - SFLI
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Creating Sessions - Declaration Par
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BDC Program: Filling the BDC Table
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Special Fields © SAP AG OK code:
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Report RSBDCSUB © SAP AG ABAP/4 de
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Authorizations for Batch Input Proc
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Chapter 3 Summary © SAP AG l In ba
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Chapter 4 General Information on Ap
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Overview © SAP AG Customer system
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Data Analysis © SAP AG Fields and
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Importing SAP Structures © SAP AG
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Other Tasks of a Transfer Program
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Example: Transfer Program 1 © SAP
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Example: Transfer Program 3 © SAP
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Batch Input, CALL TRANSACTION and D
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Data Transfer with Batch Input © S
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Chapter 5 CALL TRANSACTION © SAP A
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Overview © SAP AG Batch input: Seq
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Technical Implementation Roll area
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Example Program - Fill BDC Table ©
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Message Output © SAP AG REPORT RSF
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Chapter 5 Summary © SAP AG l CALL
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Model solution for Chapter 5: CALL
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IF SY-SUBRC = 0. * Text-002 E: Tran
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Chapter 6 Objectives © SAP AG l Th
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Overview Application server files P
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Function Module DOWNLOAD © SAP AG
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Function Module UPLOAD © SAP AG CA
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Example Program: UPLOAD © SAP AG R
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Sequential File and Local File Sequ
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Chapter 6 Summary © SAP AG l The R
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Model solutions for Chapter 6: Loca
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2. *E Text-001: 'In file:' *E Text-
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© SAP AG Appendix IV
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Batch Input Flow © SAP AG SAP unkn
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© SAP AG Master Data Transaction f
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Documents © SAP AG Transaction FB0
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Transfer Options per Company Code
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© SAP AG Automatic Transfer of Leg
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Sequential file SAP data structure
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Phases of Background Job Processing
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