From mboxrd@z Thu Jan 1 00:00:00 1970 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on polar.synack.me X-Spam-Level: X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00 autolearn=ham autolearn_force=no version=3.4.4 X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: 103376,d5f657e0da473b40 X-Google-Attributes: gid103376,public Path: g2news1.google.com!news1.google.com!newsfeed.stanford.edu!headwall.stanford.edu!newshub.sdsu.edu!elnk-nf2-pas!newsfeed.earthlink.net!stamper.news.pas.earthlink.net!newsread1.news.pas.earthlink.net.POSTED!decbec26!not-for-mail From: "Brian Catlin" Newsgroups: comp.lang.ada References: Subject: Re: DBF/Network Application Organization: Sannas Consulting X-Priority: 3 X-MSMail-Priority: Normal X-Newsreader: Microsoft Outlook Express 6.00.2900.2096 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2096 X-RFC2646: Format=Flowed; Original Message-ID: Date: Thu, 17 Jun 2004 20:10:23 GMT NNTP-Posting-Host: 67.101.84.69 X-Complaints-To: abuse@earthlink.net X-Trace: newsread1.news.pas.earthlink.net 1087503023 67.101.84.69 (Thu, 17 Jun 2004 13:10:23 PDT) NNTP-Posting-Date: Thu, 17 Jun 2004 13:10:23 PDT Xref: g2news1.google.com comp.lang.ada:1629 Date: 2004-06-17T20:10:23+00:00 List-Id: Take a look at http://www.adalog.fr/publicat/aws.pdf They dealt with many of the same issues that you are struggling with -Brian "Brian May" wrote in message news:sa4r7ser82r.fsf@snoopy.apana.org.au... > Hello, > > I have been asked to write an application that reads/writes DBF files > and communicates via encrypted TCP connection over a slow network > (GPRS). > > Writing this application without reinventing the wheel is obvious the > preferred approach ;-). > > There is a push to use Delphi as some code is already written with > Delphi, but as I am unfamiliar with Delphi, especially on Linux (both > Windows and Linux platforms are required) where I don't know how much > I can trust it, I am tending to sway towards Ada. > > Questions: > > 1. Are there any Ada libraries for reading/writing dbase DBF files > from Ada? Or would I need to write my own? Alternatively, are there > any C libraries that I could use? > > 2. What is the best way of getting encrypted network communications in > Ada? I have considered: > > * using SOAP over https with AWS, but I gather SOAP has relatively > high overheads, due to encoding everything in XML. This might be an > issue with slow network. > > * Something like Glade or PolyORB might be more appropriate, but I > don't think these support encryption, making it necessarily to add > encryption elsewhere, eg. IPSEC. Also the issue remains that I don't > yet understand the different between the two, although I gather Glade > is specific to Ada, but PolyORB will allow programs written in > different languages to communicate. > > * I probably could use openssl directly, but this probably requires > that I design my own network protocols. > > 3. What is the preferred way of accessing SQL databases via Ada on > Linux? GNADE seems to be one way, except the authors of this article > concluded it was better to > use ODBC directly. > > Any ideas/suggestions? > > Thanks in advance. > -- > Brian May