Announcing OpenADS

[antonio....@gmail.com]

https://github.com/FiveTechSoft/OpenADS

we do appreciate your comments about it

best regards

[marcos...@gmail.com]

Hi Antonio

Thanks for the new projects

https://github.com/FiveTechSoft/HarbourBuilder
https://github.com/FiveTechSoft/OpenADS

Best regards

[fdaniele]

Mr. Linares, Thank you for existing !!   😂

[Nenad Batoćanin]

If you can do this with a claude, the sky is the limit :)

 

Open source ADS will certainly be a fascinating thing.

 

Regards, NB

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[Zastava EFI]

Hello,

Do you think openADS will work like the old ADS?

Best Regards

To view this discussion visit https://groups.google.com/d/msgid/harbour-users/030d01dcdb10%24b33ecfb0%2419bc6f10%24%40wings.rs.

[antonio....@gmail.com]

After building in just one month Harbour Builder for Windows, Mac and Linux using Claude Code, I thought about something more challenging, and thats how OpenADS project idea arrived.

I must admit I am really impressed about the quality of code and superb design Claude Code is using. You can review the GitHub repo source code and check it for yourself.

Claude Code has built the roadmap, the steps, the testers... all of it comes from its AI engine and info grabbed from the Harbour project source code. I just observe how it builds it. I have not coded a single line of it.

No reverse engineering has been done at all. I carefully asked Claude Code to stay legally safe. If there are any objections, we will remove the repo. There is no commercial interest at all in this.

Please review the project license. 

best regards

[Zastava EFI]

Hello again :)

Do you think open-ads will work under Clipper?

Best Regards

To view this discussion visit https://groups.google.com/d/msgid/harbour-users/3edcb7cd-6b80-459e-a0ea-03bdfb0d41b8n%40googlegroups.com.

[Francesco Perillo]

Hi Antonio,

in order to understand how good is AI for programmers (I attended a brainstorming call this morning that was both entusiatic and disturbing) can you please share one "session" or how it is called, an interaction with Claude Code where you ask to do something and how it works it out? And how many "credits" it uses.

Outcomes from the session today was: "what happens when the credits end?" "what happens if we switch AI?" "what happens if we manually change the code?" "if Claude develops, what should we do with the developers? get rid of them?" "Who to blame if a bug slips in the code tests?"

Anyway, really impressive code (despite I don't actually know what ADS really is... a double faced, dbf/sql database?)

Francesco

[marcos...@gmail.com]

Hello

SAP Advantage Database Server (ADS) is an embedded client-server database engine that enables your Harbour/xHarbour applications to transition from traditional DBF files to a transactional, secure, and scalable architecture without rewriting your code.

More information at the following link

https://miniguiextended.blogspot.com/2026/05/arquitectura-y-optimizacion-del-rddads.html

Best regards

Marcos Jarrin

[antonio....@gmail.com]

Tests: 249 / 4181. 0.3.x = 9 milestones. Project ~62%

[marcop...@gmail.com]

One of my long-standing wishes is that someone would take over the SQLRDD library from xHarbour and actively maintain and improve it.

It’s a powerful tool and, in my opinion, a great gateway for developers who want to move away from DBF files and start using SQL databases with minimal initial effort. At the same time, it offers plenty of room to gradually evolve and enhance applications over time.

Having an actively maintained SQLRDD would make a huge difference for the Harbour/xHarbour community and could help many developers modernize their systems more smoothly.

[antonio....@gmail.com]

>  One of my long-standing wishes is that someone would take over the SQLRDD library from xHarbour and actively maintain and improve it.

You can easily do it yourself using Claude Code or OpenClaude + DeepSeek-v4-flash

best regards

[rjvand...@gmail.com]

Antonio,

We support ADS inside our product X#.

Even though you could see X# as a competitor to Harbour, it would probably be a good idea to work together on this.

Please let me know if we can help with this.

Robert

rob...@xsharp.eu

www.xsharp.eu

Op zondag 3 mei 2026 om 02:53:45 UTC+2 schreef antonio....@gmail.com:

[antonio....@gmail.com]

Dear Robert,

Thank you very much for your message. 

You are very welcome and we do appreciate your feedback very much. The more we cooperate the better for all.

Currently Claude Code is working on testing Harbour's ADS RDD tests with OpenADS. We are in a 92.8% compatibility level.

We are quite close to have it ready for real apps testing !

Please feel free to email me to antonio....@gmail.com or whatsapp me to +34 722461100. Lets join forces on this and lets help the entire xbase community!

best regards

[antonio....@gmail.com]

96.6% ...

[antonio....@gmail.com]

https://github.com/FiveTechSoft/OpenADS/releases/tag/v1.0.0-rc8

Addresses XSharp-Project feedback (Robert van der Hulst):Dual x64+x86 ZIP: bundle now contains both ace64.dll and ace32.dll plus matching openads_serverd_{x64,x86}.exe / openads_bench_{x64,x86}.exe. X#, Harbour-x86, and legacy Clipper apps all pick the right bitness without a separate download.

Static-linked mbedtls 3.6.2: zero runtime libssl / libcrypto / mbedtls DLL dependency. Verified via dumpbin /dependents on both bitnesses — only KERNEL32, WS2_32, bcrypt, MSVCP140, VCRUNTIME, and Windows ucrt api-ms-win-crt-* show up.
openads_serverd --port <N> plus an explicit "port 6262 is the SAP Advantage Database Server default" hint when the bind clashes with a running ADS service.

tools/bench/README.md documents that openads_bench synthesises its own three-column DBF (ID N(8,0), TAG C(4), AMT N(8,2)) on each run from a fixed seed; nothing is shipped, fully reproducible.

Built on Windows 11 / VS 2022 (MSVC 14.37) with -DOPENADS_WITH_TLS=ON.

[bedipr...@gmail.com]

Hi Antonio

I am curious about the term used as OpenADS so pinging here 

Does it implement SERVER side also ?

If yes, does it support MT applications ?

Pritpal Bedi
a student of software analysis & concepts

[antonio....@gmail.com]

Dear Pritpal,

Yes, OpenADS implements both client and server.

  Server: openads_serverd (Windows/Linux/macOS binaries in every release). Speaks an OpenADS-native TCP wire
  protocol; clients connect via:

      AdsConnect60("tcp://host:port/data_dir", ...)

  The same ace64.dll / ace32.dll / libace64.so / libace64.dylib also runs as LocalServer (in-process DLL, no daemon needed) selected via:

      AdsConnect60(path, ADS_LOCAL_SERVER, ...)

  MT support: yes, with the standard caveats every ADS-compatible engine has.

    - The ABI surface is thread-safe — global registry protected by a recursive mutex; per-thread error state via thread_local.
    - 1 ADSHANDLE per thread is the recommended pattern. 
      Don't share a single connection / table / index handle across threads without your own external
      synchronisation.
    - Record / table locks go through LockMgr matching ADS semantics.
    - Wire client serialises requests on a single RemoteConnection; for real parallelism over tcp://, each thread should call AdsConnect60 itself.

  There's a multi-threaded stress harness at tools/stress/openads_concurrency_stress that spawns N workers, each with its own connection, doing
  concurrent append + lock + read against a shared DBF.

best regards

[Alex Strickland]

Hi Antonio

I *think* I remember reading that ADS used UDP rather than TCP/IP.

-- 

Regards

Alex