Paper Details

%T occwserv: An occam Web\-Server
%A Frederick R. M. Barnes
%E Jan F. Broenink, Gerald H. Hilderink
%B Communicating Process Architectures 2003
%X This paper presents ‘occwserv’, the occam web\-server.
   This is a highlyconcurrent web\-server, written in the occam
   multi\-processing language, that supportsthe majority of the
   HTTP/1.1 protocol. Dynamic process and channel creation
   mechanismsare used to create scalable ‘server\-farms’,
   each responsible for a particular webserverfunction \- for
   example, reading client requests or running CGI processes.
   Thedesign of the web\-server is presented, along with some
   early performance benchmarkresults. Although performance may
   appear a limiting factor (when compared to otherweb\-servers
   such as Apache), much is gained from the simplicity and
   security of occam.Extending the web\-server with new
   functionality, for example, is intuitive andlargely trivial
   \- with the guarantees that code is free from race\-hazard
   and aliasingerrors. An experimental non\-standard addition,
   the OGI (occam Gateway Interface),is also presented. This
   provides a mechanism for dynamically loading and
   attachingpre\-compiled occam processes to the running
   web\-server, that can then handle oneor multiple client
   connections. A text\-based style adventure game is examined
   briefly,that allows multiple clients to interact within a
   "multi\-user dungeon" (MUD)
   styleenvironment.

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