Cellular Data Network Simulator

Cellular Data Network Simulator is dedicated WiFi network to monitor network usage and simulate network link conditions for mobile applications. It uses well established technologies: OpenWrt, tc, iptables and CloudShark.

Read more at Polidea Blog

Features

• Easy to use web and mobile interface
• Simulate: bandwidth, delay, loss, corruption, occasional loss of signal
• Can capture the traffic and send it to CloudShark
• Apply limits per-device
• Works well in environment with multiple devices and multiple testers
• Works well as virtual machine bridged with separate wireless network

Requirements

• OpenWrt device running on Barrier Breaker (trunk repository) - can be router or virtual machine
• Two network interfaces - one for WAN and one for WIFI/LAN

Installation

The are a few simple steps to install Cellular Data Network Simulator:

1. Install cdns:

    opkg update
    opkg install http://polidea.github.io/Cellular-Data-Network-Simulator/cdns_0.5-1_all.ipk
   

   Installation of Cellular Data Network Simulator replaces default Luci webpage. The Luci can be accessed using: http://ip-address/index-old.html

2. Configure:

    vim /etc/config/cdns
   

   By default there are 5 profiles: Full, HSDPA, Edge, GPRS and Disabled.

3. Start the service:

    /etc/init.d/cdns enable
    /etc/init.d/cdns start
   

   That simply enables and starts the service,

4. Start the uhttpd daemon:

    /etc/init.d/uhttpd enable
    /etc/init.d/uhttpd start
   

   If you didn’t do it before you have to enable and start the uhttpd daemon.

5. Start using:

   Simply open: http://ip-address/.

Uninstallation

    /etc/init.d/cdns stop
    opkg remove cdns

Compile yourself

1. Download sources:

    git clone <repo-path>
   

2. Build the package yourself:

    make
   

3. For more options view help:

    make help
   

License

   BSD 2-Clause License    

Changelog

• v.0.5-0: First public release (25.11.2013)
• v.0.5-1: Bug fixing (12.02.2014)