tpproxy

/*  
 * 
 *                       _oo0oo_ 
 *                      o8888888o 
 *                      88" . "88 
 *                      (| -_- |) 
 *                      0\  =  /0 
 *                    ___/`---'\___ 
 *                  .' \\|     |// '. 
 *                 / \\|||  :  |||// \ 
 *                / _||||| -卍-|||||- \ 
 *               |   | \\\  -  /// |   | 
 *               | \_|  ''\---/''  |_/ | 
 *               \  .-\__  '-'  ___/-. / 
 *             ___'. .'  /--.--\  `. .'___ 
 *          ."" '<  `.___\_<|>_/___.' >' "". 
 *         | | :  `- \`.;`\ _ /`;.`/ - ` : | | 
 *         \  \ `_.   \_ __\ /__ _/   .-` /  / 
 *     =====`-.____`.___ \_____/___.-`___.-'===== 
 *                       `=---=' 
 *                        
 *
 *  
 */  

tcp transparent proxy From CmakeLists.txt, you could find it depends on
the code in https://github.com/SoonyangZhang/net

include_directories(${CMAKE_SOURCE_DIR}/logging)  
include_directories(${CMAKE_SOURCE_DIR}/base)  
include_directories(${CMAKE_SOURCE_DIR}/tcp)     

Download the project and put the folders (logging,base,tcp) under tpproxy.

Build

cd build  
cmake ..
make

Test

cd build   
sudo su  
python 3h1s.py  
xterm h1 h2 h3

In h3 shell

iperf3 -s  

In h2 shell

./t_proxy -p 2223  

In h1 shell

iperf3  -c 10.0.2.2 -i 1 -t 20