安装ns3-gym，ubuntu下python3

Installation

1. Install all required dependencies required by ns-3.

# minimal requirements for C++:
apt-get install gcc g++ python

see https://www.nsnam.org/wiki/Installation

1. Install ZMQ and Protocol Buffers libs:

# to install protobuf-3.6 on ubuntu 16.04:
sudo add-apt-repository ppa:maarten-fonville/protobuf
sudo apt-get update

apt-get install libzmq5 libzmq5-dev
apt-get install libprotobuf-dev
apt-get install protobuf-compiler

1. Configure and build ns-3 project (if you are going to use Python virtual environment, please execute these commands inside it):

# Opengym Protocol Buffer messages (C++ and Python) are build during configure
./waf configure
./waf build

1. Install ns3gym located in src/opengym/model/ns3gym (Python3 required)

pip3 install ./src/opengym/model/ns3gym

1. (Optional) Install all libraries required by your agent (like tensorflow, keras, etc.).

2. Run example:

cd ./scratch/opengym
./simple_test.py

1. (Optional) Start ns-3 simulation script and Gym agent separately in two terminals (useful for debugging):

# Terminal 1
./waf --run "opengym"

# Terminal 2
cd ./scratch/opengym
./test.py --start=0