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ID: 28232, Delphi Labs: DataSnap XE and XE3 - Transport Filters

by Pawel Glowacki Email: Anonymous

In this lab exercise we are going to use Delphi to explore DataSnap support for transport filters.
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For Delphi, Version 15.0  to 17.0 1006 downloads
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Size: 348,329 bytes
Updated on Thu, 10 Jan 2013 01:38:50 GMT
Originally uploaded on Thu, 17 Feb 2011 05:26:24 GMT
SHA1 Hash: F7C9ED04DBB8636CE1F365CAB776AC61AC9004D0
MD5 Hash: E4CBDEEF5DB94F59E00FC7644267A957

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Updated 2013-Jan-10: Added Delphi XE3 version of the demo

In DataSnap architecture you can use different communication protocols, like TCP/IP, HTTP or HTTPS, and you can also use transport filters that make it possible to programmatically access the raw stream of bytes that are transmitted between client and the server over the wire.
Delphi XE comes with three DataSnap communication filters preinstalled: two for encryption and one for compression.
In this lab we are going to build a simple system consisting of a server and a client application. Both applications will be standalone Delphi VCL Forms applications and they are going to communicate using TCP/IP as the transport protocol and use ZLib compression filters.

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