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1994-02-17
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6KB
Date: Wednesday 16 February 1994, 12:09:09 CET
From: "Bert Wijnen" <wijnen@vnet.ibm.com>
To: SNMP DPI developers
Subject: DPI version 2.0 - Freely Available SNMP DPI 2.0 API
Version: 0.01
/*********************************************************************/
/* */
/* Copyright - (C) International Business Machines Corp. 1994 */
/* */
/* Permission to use, copy, modify, and distribute this software */
/* and its documentation for any lawful purpose and without fee is */
/* hereby granted, provided that this notice be retained unaltered,*/
/* and that the names of IBM and all other contributors shall not */
/* be used in advertising or publicity pertaining to distribution */
/* of the software without specific written prior permission. */
/* No contributor makes any representations about the suitability */
/* of this software for any purpose. It is provided "as is" */
/* without express or implied warranty. */
/* */
/* IBM AND ALL OTHER CONTRIBUTORS DISCLAIM ALL WARRANTIES WITH */
/* REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF */
/* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, TITLE, */
/* AND NON-INFRINGEMENT. */
/* */
/* IN NO EVENT SHALL IBM OR ANY OTHER CONTRIBUTOR BE LIABLE FOR */
/* ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES, WHETHER IN */
/* CONTRACT, TORT, OR OTHER FORM OF ACTION, ARISING OUT OF OR IN */
/* CONNECTION WITH, THE USE OR PERFORMANCE OF THIS SOFTWARE. */
/* */
/*********************************************************************/
This directory contains a developers toolkit for DPI sub-agent
developers and or prgrammers who want to include the DPI 2.0
protocol in their SNMP agent.
You have the choice to obtain a regular tar file or a compressed
tar file. The files (at software.watson.ibm.com) are:
README - this file
dpi20api.tar - plain tar file
dpi20api.tar.Z - compressed tar file
I have compiled the code with the following compilers:
IBM C-Set++ compiler on OS/2 2.1
IBM XL C compiler on AIX 3.2
Metaware High C compiler on AIX/ESA V2 R2
To install, you must FTP the (compressed) tar file to from the
server (software.watson.ibm.com - /pub/dpi) and untar the files
into a directory.
ftp obtain the dpi20api.tar file from software.watson.com
mkdir dpi20api
cd dpi20api
tar -xvf ../dpi20api.tar
The following files should now be in the dpi20api directory:
dpi20rfc.txt - The draft DPI version 2.0 RFC as it is being
submitted for publication.
dpi20ref.txt - The DPI version 2.0 Programmers Reference in
ASCII format (same page layout as RFC)
snmp_mDPI.c - The base code that encodes/decodes DPI packets
system independent
snmp_qDPI.c - The system independent code for query_DPI_port
snmp_lDPI.c - The somewhat system dependent code for transport
related DPI API functions. You may need to adapt
this file to your needs.
snmp_lDPI.h - Include file used within the above 3 snmp_.DPI.c
files. It is not needed by the DPI sub-agent
programmer.
dpi_version.h - DPI version include file
snmp_dpi.h - The DPI version 2.0 include file.
This is the file that exposes the SNMP DPI API.
snmp_dpi1.h - The DPI version 1.1 compatibility include file
Will be included by snmp_dpi.h file if the
programmers asks for 1.1 compatibilty.
Makefile - Makefile to build the dpisample sub-agent
(this is the AIX 3.2 sample, should work on most
systems or need very little change).
Make.aix32 Makefile for AIX 3.2 system
Make.os21 Makefile for OS/2 2.1 system
dpi_sample.c - A simple sample DPI 2.0 sub-agent.
An explanation of the code is included in
the DPI 2.0 Programmers Reference.
dpiSimple.mib - The dpiSimpleMib as implemented by the
dpi_sample.c program.
README - This readme file.
To generate the dpisample sub-agent, issue:
make
Then to run it issue:
dpisample
Or if you want to see trace info:
dpisample -d 2
Now.. it tries to obtain the dpiPort from the agent at the so
called "localhost". Your agent may not have DPI support yet, so
you will not see much happen. For instance, you may not have
"localhost" defined, in which case you may need to change the
dpi_sample.c file. If you do have a "localhost", and an SNMP
agent is active, then you may see a timeout message if it does
not have DPI support. So then, the next step is to implement a
DPI capable SNMP agent or find one that you can use.
See the dpi20ref.txt file (DPI Programmers Reference) for more
information.
Your comments will be appreciated. If you need to make any fixes
to the code, please inform the author also.
Notes:
1.The mkDPIbulk function has not yet been implemented.
2.There is a SNMPDPI mailing list. You can send you email to:
snmpdpi@watson.ibm.com
3.To subscribe/unsubscribe send e-mail with the subject line
containing SUBSCRIBE (or UNSUBSCRIBE) to:
snmpdpi-request@watson.ibm.com
4.You can also contact the author directly at the e-mail address
listed below.
Bert Wijnen
IBM VNET: wijnen at uitvm1
Internet: wijnen@vnet.ibm.com