i Series Intro

8/11/2019 i Series Intro

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Logicalis Group

Introduction to iSeries

Programming the iSeries

Programming the iSeries


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Control Language

Device files and display files

Traditional high level languages

RPG, Cobol, C, C++

Integrated Language Environment

Java

WebSphere Development Studio

iSeries-based compilers

Client-based development environment

CODE/400

WDS Client for HTML, Java, JSPs, EJBs, web services,

WebFacing development environment

Popular iSeries change control products have interfaces to WDSC

Visual RPG and other pointless byways

Control Language programming


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...DCL &INPUTFILE *CHAR 30...

MONMSG (CPF0001 CPF0006) EXEC(GOTO VALID)...CHGVAR &INPFILLIB %SST(&INPUTFILE 11 10)...OVRDBF FILE(INPUT) TOFILE(&INPFILLIB/&INPFILOBJ) +

MBR(&INPFILMBR)...FTP RMTSYS(&HOST)OVRPRTF FILE(QSYSPRT) SPLFNAME(FTPBATCH)CPYF FROMFILE(&OUTFILLIB/&OUTFILOBJ) +

TOFILE(QSYSPRT) FROMMBR(&OUTFILMBR)

DLTOVR FILE(*ALL)RETURN/************************************************************/

VALID: RCVMSG MSGTYPE(*DIAG) MSGDTA(&LMSGDTA) MSGID(&LMSGID) + MSGF(&LMSGF) SNDMSGFLIB(&LMSGFLIB)

...

You can even writeyour own commands very useful in opsprogramming.

Used for opsprogrammingand where highlevel languagescant do what isrequired. Farmore powerfulthan manypeople think.


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Probably the only time you will come across DB2/400 multi-member physical files


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Externally described files again. WebFacing translates these into JSPs and servlets

Integrated Language Environment


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Program

*PGM object. traditional via CRTxxxPGM, ILE via CRTPGM

*PGMs contain 1 or more modulesModule

*MODULE object type

Contains translated but unexecutable code

Must be BOUND into a program to run

Input is a source member

May contain one or more procedures

Procedure

Executable code with entry point

Not an AS/400 object

RPG & Cobol: 1 per compilation, C: many per compilation

Service program

Separate object, works like a Windows DLL

Procedure CRTINVNBR

Procedure LOCKSTOCK

RPGMOD1

Module MOD1

Module MOD3

Program INVMAST

CBLMOD1

Module MOD2

Traditional Programming versus Java


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Compile once,run everywhere

Repeat for every platform

SourceCode compiler

Object CodeModule binder

ExecutableCode

versusSourceCode

JAVAcompiler

CLASS File

Compile time

ByteCode

Loader

ByteCode

Verifier

JavaInterpreter

Run time

How can this be?


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Traditional environment

Operating system

Native program codeexecution

Java environment

Operating system

Java program codeexecution

Java Virtual Machine

Java can be invoked efficiently from ILE, and vice versa Java source code and class files are stored in the IFS

Multi language example


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Multi-language example

PTSTSOCKET HOST(PACIFIC6) PORT(1352)If successful, a completion message will bereturnedConnection successfully obtained to PACIFIC6on port 1352Otherwise, an appropriate escape message willbe returnedHost CAT32 name resolved but no connection was


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Logicalis Group


Printing and electronic output

iSeries Printing and Electronic Output


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Printer data streams can be simple (SCS) or complex (AFP)Printer attachment can be LPR/LPD, IPP or Intelligent Printer Data Stream (IPDS)


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R BARLOGO2 AFPRSC('WarringtonMap.jpg' *JFIF +2.0 1.0 (*PATH '/shawm'))


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CRTPRTF FILE(SHAWM/BARLOGO) DEV(PDF)DEVTYPE(*AFPDS) USRDFNDTA('MAILTAG([email protected])')

CRTDEVPRT DEVD(PDF) DEVCLS(*LAN)TYPE(*IPDS) MODEL(0)LANATTACH(*IP) AFP(*YES)PORT(5101) FONT(011)RMTLOCNAME('127.0.0.1')USRDFNOBJ(SHAWM/MANDY *PSFCFG)

STRTFMMGRSTRPRTWTR PDFCALL BARLOGO

CHGPSFCFG PSFCFG(SHAWM/MANDY)PDFGEN(*MAIL)PDFDEVTYPE(*IP40300)PDFPPRDWR1(*A4)PDFPPRDWR2(*A4)

JPEG and TIFF, but not GIF


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Logicalis Group


Day-to-day operation, licensed programs, fixes andsupport, sources of information

Example iSeries Console Provision - Local


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DEV HA

PROD

HMC

HMC

Ethernet

LPARmanagement

V.24

connection

Ops

Console(async)Ops Console (async)

Physicalcontrol panel

Physicalcontrol

panel

Example iSeries Console Provision - Remote


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DEV HA PROD

HMC

HMCLPARmanagement

10/100Ethernet

LANConsole

Remotecontrol panel

WebSM

Remote control panel


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Some monitoring tools


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WRKACTJOB monitorsrunning subsystems and

jobs

WRKCFGSTS monitorscomms lines and IXS/IXA

Management Central for performance data collection and performance monitoringWRKSYSSTS to monitor number of jobs in system and auxiliary storage usage

Housekeeping


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Spool files

Deleted records in physical files (REUSEDLT(*YES) recommended)

Temporary objects (savefiles, Queries and outfiles)

It is still good practice to IPL the box occasionally

PTF downloads: Fix Central


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Management Central manages the distribution

Sources of information


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iSeries Support area of IBM Web site (excellent PTF download area andmuch other good stuff)

http://www.midrange.com (mailing list and archive)

iSeries Network http://www.iseriesnetwork.com (Web version of iSeriesNews you need the ProVIP option - but excellent articles, many codedownloads, frequently nothing else will do)

IBM Infocenter (getting much better)

Redbooks on specific technical topics (e.g. single signon)

Logicalis IT Forum
http://www.midrange.com/http://www.iseriesnetwork.com/http://www.iseriesnetwork.com/http://www.midrange.com/


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Logicalis Group


Communications

Communications: agenda

E h i


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Ethernet options

N.B. 10/100 required for SNA and for LAN Console

Virtual LAN

WAN connectivity

TCP/IP and applications

DNS, DHCP, LDAP, SMTP, FTP

SSL and Digital Certificate Management

Apache, WebSphere Application Server, Tomcat, MQ

iSeries Access

SNA and applications

LU6.2 (APPC/APPN)

SNADS

DDM and DRDA

SNA host connectivity

Anynet

Application integration using MQSI


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pSeries

iSeries

GTS

D B 2

J D B

C

M Q A

d a p t e r

WindowsHolland

M Q A

d a p t e r

iSeries

DB2

iSeries

JD Edwards

D B 2

J D B

C

M Q A

d a p t e r

WindowsCOGNOS

MQ Adapter

M Q

M Q Broker

iSeries Access

Wi d 5250


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Windows 5250

Integrated support for 5.7 of Personal Communications

Will install on

Windows NT 4.0 / 2000 / XP Pro / 2003 Server

Will not install on

Windows 95 / 98 / Me

iSeries Access for Web

5722 XH2


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5722-XH2

Customise 5250 User Interface

Shared Sessions

Download from iSeries

IFS

Send messages

Workstations

Sametime

Short cuts to sessions

iSeries Access for Web


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Non-IP protocols


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Prefer to FTP for object distribution:store and forward, industrial strengtherror checking


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Extraordinarily useful anddead easy!


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i Series Intro

Documents

Transcript of i Series Intro