How to : Compile mod_cband module for Apache 2.4.x on Centos 6.3/Fedora /Redhat 6

How to Compile mod_cband module for Apache 2.4.3 on Centos 6.3/ Redhat/ Fedora/ Ubuntu 12.04

mod_cband is an Apache 2 module that solves the problem of limiting the bandwidth usage of users, virtual hosts, and destinations.

INSTALLATION
============
Prerequisites

Apache 2.0.54 or above  Apache 2.4.3- http://www.apache.org/
Other versions may work but have not been tested
I Have tested on Apache 2.4.3
Building
If you have got the apxs/apxs2 (Apache eXtenSion tool) tool installed, write the following commands to build module:

$ wget http://pkgs.fedoraproject.org/repo/pkgs/mod_cband/mod-cband-0.9.7.4.tgz/ff635d7b55bf7ca648d319247dfb45e3/mod-cband-0.9.7.4.tgz
$ tar xzvf mod-cband-0.9.7.4.tgz
$ cd mod-cband-0.9.7.4
$ ./configure
$ make
$ make install

Note : Above Source code having error for Apache 2.4.x version

Error : if You got the error Like this while executing make.

apxs -Wc,-Wall -Wc,-DDST_CLASS=3 -c src/mod_cband.c
/usr/local/apr/build-1/libtool --silent --mode=compile gcc -std=gnu99 -prefer-pic   -DLINUX=2 -D_REENTRANT -D_GNU_SOURCE -g -O2 -pthread -I/usr/local/apache/include  -I/usr/local/apr/include/apr-1   -I/usr/local/apr/include/apr-1  -Wall -DDST_CLASS=3  -c -o src/mod_cband.lo src/mod_cband.c && touch src/mod_cband.slo
src/mod_cband.c: In function 'mod_cband_create_traffic_size':
src/mod_cband.c:1046: warning: comparison with string literal results in unspecified behavior
src/mod_cband.c:1046: warning: comparison with string literal results in unspecified behavior
src/mod_cband.c:1050: warning: comparison with string literal results in unspecified behavior
src/mod_cband.c:1050: warning: comparison with string literal results in unspecified behavior
src/mod_cband.c: In function 'mod_cband_get_dst':
src/mod_cband.c:1325: error: 'conn_rec' has no member named 'remote_ip'
src/mod_cband.c: In function 'mod_cband_get_remote_host':
src/mod_cband.c:1354: error: 'struct conn_rec' has no member named 'remote_ip'
src/mod_cband.c:1355: error: 'struct conn_rec' has no member named 'remote_ip'
src/mod_cband.c:1357: error: 'struct conn_rec' has no member named 'remote_addr'
apxs:Error: Command failed with rc=65536
.
make: *** [src/.libs/mod_cband.so] Error 1

On Source Directory
[root@netwrkspider mod-cband-0.9.7.4]# ls
AUTHORS  conf        config.status  doc      libpatricia.copyright  Makefile     src
Changes  config.log  configure      INSTALL  LICENSE                Makefile.in

open c program file under src folder .
[root@netwrkspider src]# vim mod_cband.c

On c code
1 ) change variable name remote_ip" to "client_ip"

2 ) Search & change the given below line.

else
        addr = c->remote_addr->sa.sin.sin_addr.s_addr;
to
    else
        addr = c->client_addr->sa.sin.sin_addr.s_addr;


Save & exit .

Now try to compile program from mod_cband root directory.

make
make install

Enjoy

Note : API Changes in Apache HTTP Server 2.4 since 2.2
http://httpd.apache.org/docs/2.4/developer/new_api_2_4.html

Code Changes Details :