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SMLserver is a
Web server plugin for the Apache Web server. SMLserver makes it possible to write dynamic Web applications using your favorite programming language without sacrificing efficiency and scalability of your Web service. SMLserver includes the possibility of accessing a
variety of different relational database management systems (RDBMSs),
such as Oracle and Postgresql.
Main Features of SMLserver
| Standard ML '97 |
SMLserver supports all of Standard ML '97, as defined in the Definition
of Standard ML. In particular, SMLserver supports the use of
Standard ML Modules and most of the Standard
ML Basis Library. SMLserver is based on the MLKit.
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| Web Server API |
SMLserver provides an SML interface to much of the Apache
API, thereby giving the SML programmer access to the following features:
- Easy access to form data and request header information, including cookies
- Access to Relational Database Management Systems (RDBMSs) through an efficient generic interface that supports database pooling (i.e, reuse of database connections). Supported RDBMSs include Oracle, Postgresql, and MySql.
- Support for sending email
- Support for extracting data from foreign Web sites
- Caching possibilities for improved efficiency
- XML-RPC client and server support
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| Efficient Multi-threaded Execution |
SMLserver compiles Standard ML programs into bytecode files, which
are loaded only once but may be executed many times upon client
requests. A multi-threaded execution model makes it possible for
SMLserver to serve multiple requests simultaneously.
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| Documentation |
A tutorial book on writing dynamic Web applications using SMLserver is available for download from the
documentation page and in print as a Lulu book.
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Other Features
| Open Source License |
SMLserver is Open Source; it is distributed under the GNU General Public License (GPL) and hosted by
the IT University of
Copenhagen, Denmark.
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| ML Server Pages |
SMLserver supports the execution of dynamic Web pages written using
ML
Server Pages (MSP). A dedicated tool mspcomp compiles
.msp-files into .sml-files with appropriate calls to the Apache API.
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| Quotations |
Built-in support for quotations in the MLKit makes for
an elegant way of embedding HTML and SQL in your Standard ML Web applications.
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| Binary
Distribution | A binary distribution is
available as tgz and deb packages for Debian and Linux systems
from the download page. Source code
distributions are also available.
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| If you like it... |
If you make use of SMLserver, we provide a few logos, which you can include on
your Web pages, if you like (Using the logos is not a requirement, of course.)
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| SMLserver Examples |
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sources | | Time-of-day | 1 | | Count up and down | 1 | | Temperature conversion | 1, 2 | | Dynamic recipe | 1, 2 | | Guess with Bill | 1 | | Form variables | 1, 2 | | Server information | 1 | | Caching support | 1, 2, 3 | | Currency exchange | 1 | | Currency service | 1, 2 | | Send an email | 1, 2 | | Guest book (DB) | 1, 2 | | Employee search (DB) | 1, 2, 3 | | Best Wines (DB) | 1, 2, 3, 4, 5 | | Link database (DB) | 1, 2, 3, 4 | | Cookie example | 1, 2, 3 | | Hello world (MSP) | 1 | | Multiplication (MSP) | 1 | | Calendars (MSP) | 1 | | Tables (MSP) | 1 | | XMLrpc client/server | 1, 2 |
The above examples are all part of the distribution;
most of the examples are described in the book
SMLserver - a Functional Approach to Web Publishing (Second Edition).
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