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2002-05-29
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/*
* READW.ME of the Alaska Web Application Adaptor Version 1.80
* for Windows NT/2000/XP and Windows 95/98/Me
*
* Release: 1.80.284
* Date: May 29th 2002
*
*/
________________
1.0 Installation
1.1 Procedure
When you have downloaded the Web Application Adaptor (WAA) as
a ZIP archive, unpack the archive in a temporary directory and start
the SETUP program.
If you have received WAA on CD-ROM, insert the CD in your CD-ROM
drive and start the SETUP program from the WAA1W32 directory.
Note for Xbase++ users: Select "Custom installation" (see 1.2 below)
The WAA development kit is installed by default on drive C: with
the following directory structure:
\ALASKA\WAA1W32
|---APACHE Apache HTTP server
| |---OS2 OS/2 version
| |---W32 Windows 9x and Windows NT version
|
|---BOOK WAA documentation
|
|---GATEWAY Gateway between the HTTP server and WAA
| |---OS2 OS/2 version
| |---W32 Windows 95/98/ME and Windows NT/2000/XP
| | version
| |---ISAPI Gateway for MS Internet Information Server
| |---LINUX Gateway for LINUX glibc2
|
|---SOURCE
| |---SAMPLES
| |---WAA Source code for example applications
|
|---SERVER Web Application Adaptor (WAA)
(and Xbase++ runtime, when installed)
When the installation program has finished, the file WAA1SRV.EXE
is located in the ..\SERVER directory. This file is the WAA server
and it needs a connection to your HTTP server. The connection is
provided by a gateway which is available for OS/2, Windows and Linux
platforms. How to install and configure the gateway depends on
the HTTP server you are using.
Please refer to the online documentation for further configuration
steps.
1.2 You have Xbase++ installed
Select "Custom Installation" and unselect the checkbox for the Xbase++
runtime libraries. It is not recommended to install the Xbase++ runtime
environment twice.
1.3 You do not have Xbase++ installed
The setup program of the Alaska WAA does not change any environment
variable nor will any component of the system be replaced.
If you install the Xbase++ runtime files they will reside in the
SERVER directory. The package contains only those Xbase++ runtime
files needed by the WAA.
1.4 WAA worker-threads
Each request to the WAA is initiated by a Web browser and sent to the
HTTP server. In turn, the HTTP server forwards browser requests via the
WAA gateway (WAA1GATE.EXE) to the WAA server (WAA1SRV.EXE). On startup,
the WAA initiates several worker-threads which actually receive a request
and return an answer via the gateway back to the HTTP server which in turn
serves the Web browser.
The recommended number of worker-threads depends on a variety of issues and
is hard to specify in general. As a rule of thumb, the following should be
considered:
o The faster a request can be fulfilled, the lesser worker-threads are
required.
o The higher the workload for a package request is, the more worker-threads
are needed to achieve a good response time.
o The optimum amount of worker-threads is determined by the CPU capacity, not
by RAM capacity bec. a workerthread consumes approx. only 100K. The higher
the CPU capacity the more worker-threads can be serviced.
1.5 Linux gateway
The source code of the WAA gateways is available with the professional sub-
scription. Customers who have reported that they were not able to build the
waa1gate.exe for the Linux platform will find a reworked Unix version with
the 3rd Subscription delivery. The following shell command should initiate
the make process:
make -f gate.mak
IMPORTANT: Due to the nature of a Unix operating system (lightweight processes)
our research has prooven the fact that a Linux gateway is up to 25 times
faster than the gateway on a Windows platform.
1.6 Samples
The samples are located in a subdirectory "WAA". To run the samples, it is
required to configure this directory as Document Root directory of the HTTP
server. For further details read the chapter "HTTP Server" in the online
documentation. It might also be necessary to edit the waa1gate.cfg accordingly.
____________________________
2. Support and contact info
2.1 Technical support
Technical support is available for every registered user of
Alaska Software products. If you are not a registered user
you can also make support requests but it may be handled at
a lower priority compared to others and thus a response will
not be guaranteed by Alaska Software in this case.
To get in contact with our Technical Support use one of the
contacts listed in 2.2.
2.2 How to contact Alaska
You can use one of the following possibilities:
Customers in Europe, Middle East, Africa use:
support@de.alaska-software.com
FAX: (+49) 6196 / 779 3622
Phone: (+49) 6196 / 779 360
Mail: Alaska Software Technology AG
Hauptstrasse 71-79
65760 Eschborn
Germany
Customers in America, Asia, Pacific Rim, Australia use:
support@us.alaska-software.com
FAX: (+1) 970-242-7557
Phone: (+1) 970-242-1084
Mail: Alaska Software, Inc.
PBM 502
569 32 Road, Ste. 7B
Grand Junction CO 81504
U.S.A.
2.3 News groups
The Alaska Software news server address is:
news.alaska-software.com
A variety of Xbase++ related news groups are hosted by Alaska
Software on this server and you are invited to visit our news
groups regularly. The news groups provide access to a tremendous
amount of technical know how and experience that is shared between
Xbase++ users world wide.
If you have questions about WAA or if you want to share your
experiences with other programmers, this is the right place to do it:
news://news.alaska-software.com/alaska-software.news.waa
_________________
3. Miscellaneous
3.1 Trademark and copyright
* Alaska Xbase++, Alaska XbToolsIII, DMLB, XBP and WAA are registered
trademarks or trademarks of the Alaska Software.
* OS/2 is a registered trademark of the International Business Machines
Corporation.
* Windows NT, Windows 2000, Windows XP and Windows 95 / 98 / ME are
registered trademarks or trademarks of the Microsoft Corporation.
WITH BEST REGARDS
Your Xbase++ Team...