Varnish VMOD to send data over UDP from VCL.
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vmod-dgram.spec

README.rst

vmod_dgram

Varnish 4.0 Dgram Module

Author: Matthew M. Boedicker
Author: Maksim Naumov
Date: 2015-08-05
Version: 0.2
Manual section:3

SYNOPSIS

import dgram;

sub vcl_deliver {
dgram.send(req.request + " " + req.http.host + req.url, "127.0.0.1", 12345);

}

DESCRIPTION

Varnish module to send arbitrary data over UDP from VCL.

The original use case is a hit counter that will send the URL served for every request to a simple UDP server for further processing.

FUNCTIONS

dgram

Prototype
send(STRING S, STRING HOST, INT PORT)
Return value
VOID
Description
Sends S as UDP to HOST:PORT.
Example
dgram.send("Hello world", "127.0.0.1", 12345);

INSTALLATION

If you received this package without a pre-generated configure script, you must have the GNU Autotools installed, and can then run the 'autogen.sh' script. If you received this package with a configure script, skip to the second command-line under Usage to configure.

Usage:

# Generate configure script
./autogen.sh

# Execute configure script
./configure [PKG_CONFIG=PATH]

Make targets:

  • make - builds the vmod
  • make install - installs your vmod
  • make check - runs the unit tests in src/tests/*.vtc

HISTORY

COPYRIGHT

  • Copyright (c) 2013 Matthew M. Boedicker
  • Copyright (c) 2015 Maksim Naumov