httcld - Micro-HTTP server with embedded TCL

Version 1.1

http://httcld.sourceforge.net/

httcld is a very small [HTTP] [server] with an embedded [Tcl] (http://www.tcl.tk/) interpreter. In addition to static .html files, it serves .htcl files, which are [HTML] with embedded [Tcl] code. The [Tcl] is executed on the [server], and the resulting output is embedded in the stream sent back to the [client]. In addition, variables in the [Tcl] [namespace] may be set and retrieved directly, say by an [AJAX] script.

The idea for this [server] came out of a need to have a flexible, fast, but very lightweight backend to support a [GUI] on an embedded platform. I also wanted efficient support for a more dynamic [AJAX]-like interface, but the existing backends were much too big for the box. [Apache] and its modules took too much memory and storage space, [Ruby] and [Rails] likewise. [Java] was right out.

Thus was born the idea of a specialized [HTTP] [server] that could update a very dynamic [UI] without any more CPU overhead than necessary. Along the way, I decided that it would be nice if I could make the web pages in the [UI] smarter. This led to the embedded .htcl format.

httcld requires 2 external libraries:

http://www.gnu.org/software/libmicrohttpd Version 0.4.0pre1

and

http://www.tcl.tk Tcl Version 8.5

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