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Network InterProcess Communication (NetIPC) is a set of programmatic calls
that can be used to exchange data between peer-to-peer processes on the same
or different nodes in an Hewlett-Packard NS network. Any process can initiate
communication, and any process can send or receive messages by means of common
intrinsics. NetIPC 3000/XL is a version of NetIPC that can be used in programs
written for MPE XL based computer systems.
NetIPC provides programmatic access to the Transmission Control Protocol (TCP),
which is the Transport-Layer protocol used by NS 3000/XL link products.
NetIPC 3000/XL is provided with the purchase of any NS 3000/XL link product.
With the purchase of the X.25 XL System Access link product, NetIPC access to
TCP (level 4) and X.25 (level 3) is provided.
Intended Audience of this Manual
In order for you to use NetIPC, you should be familiar with MPE XL, the
operating system on which NetIPC 3000/XL can be used. You should also be
familiar with the TCP protocol and a high-level language such as Pascal.
If you are using direct access to level 3 (X.25), you should be familiar with
the X.25 protocol and the HP 3000 products that provide X.25 network
communication.
Organization of the Manual
Following is a summary of how this manual is organized:
- Chapter 1 "NetIPC Fundamentals" explains how to
establish connections, send and receive data over connections, and
shutdown connections between processes using NetIPC TCP access or X.25
level 3. This chapter also introduces some of the NetIPC calls.
- Chapter 2 "Cross-System NetIPC" describes what
NetIPC calls need to be considered for a cross-system application (using
TCP access) between an HP 3000 Series 900 and either an HP 1000, HP 9000,
or personal computer.
- Chapter 3 "NetIPC Intrinsics" provides a
detailed description of each NetIPC intrinsic, in alphabetical order.
This chapter also explains programming considerations, syntax, and the
structure and function of several parameters that are common to multiple
NetIPC intrinsics.
- Chapter 4 "NetIPC Examples" provides sample
programs using NetIPC intrinsics for peer-to-peer process communication
for both TCP access and X.25 level 3 access.
- Appendix A "IPC Interpreter (IPCINT)" describes
how to use the IPCINT software utility which provides an interactive
interface to the NetIPC intrinsics used for programmatic access to X.25
level 3.
- Appendix B "Cause and Diagnostic Codes" lists the
possible cause and diagnostic codes generated by NS X.25 packets.
- Appendix C "Error Messages" includes a list of
SOCKERRs and the corresponding protocol module errors returned in the
IPCCHECK intrinsic, and provides a table of NetIPC errors
(SOCKERRs) returned in the result parameter of the NetIPC
intrinsics.
- Appendix D "Migration From PTOP to NetIPC and RPM"
explains how to translate programs written in the Program-to-Program
communication service to NetIPC and RPM.
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Appendix E "C Program Language Considerations" describes program
language differences that affect how NetIPC intrinsics are used in
programs written in C programming language.
Related Publications
The following publications contain additional information that can assist you
in using NetIPC.
NS 3000/XL
- Using NS 3000/XL Network Services Manual
- NS 3000/XL Error Messages Reference Manual
- NS 3000/XL Configuration, Planning and Design Guide
- NS 3000/XL NMMGR Screens Reference Manual
- NS Cross-System NFT Reference Manual
- NS Cross-System Network Manager Reference Manual
X.25 Networking
- X.25 XL System Access Configuration Guide
- Using the OpenView DTC Manager
MPE XL
- MPE XL Commands Reference Manual
- MPE XL Intrinsics Reference Manual
- HP PASCAL Reference Manual
- HP COBOL II/XL Reference Manual
- FORTRAN 77/XL Reference Manual Supplement
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