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Add ns-3 wheel
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‎.github/workflows/build.yml‎

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name: Build
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on:
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push:
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branches:
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- master
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jobs:
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release:
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name: Release
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runs-on: ubuntu-latest
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steps:
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- name: Create draft release
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uses: actions/github-script@0.9.0
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with:
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github-token: ${{secrets.GITHUB_TOKEN}}
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script: |
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const fs = require('fs');
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const release = await github.repos.createRelease({
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owner: context.repo.owner,
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repo: context.repo.repo,
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tag_name: new Date().toISOString().replace(/[T:]/g, '-').split('.')[0],
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target_commitish: context.sha,
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draft: true,
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prerelease: true,
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});
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fs.mkdirSync('release-info');
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fs.writeFileSync('release-info/release.json', JSON.stringify({
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id: release.data.id,
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upload_url: release.data.upload_url,
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}));
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- name: Upload release-info
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uses: actions/upload-artifact@v1
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with:
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name: release-info
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path: release-info
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build:
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name: ${{ matrix.wheel }}
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runs-on: ubuntu-latest
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needs: release
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container:
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image: debian:10
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strategy:
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matrix:
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wheel:
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- ns-3
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fail-fast: false
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steps:
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- name: Checkout code
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uses: actions/checkout@v2
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- name: Execute ${{ matrix.wheel }}/build.sh
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run: exec ${{ matrix.wheel }}/build.sh
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- name: Download release-info
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uses: actions/download-artifact@v1
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with:
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name: release-info
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- name: Upload ${{ matrix.wheel }}
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uses: actions/github-script@0.9.0
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with:
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github-token: ${{secrets.GITHUB_TOKEN}}
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script: |
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const fs = require('fs');
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const release = JSON.parse(fs.readFileSync('release-info/release.json'), 'utf8');
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const path = process.env.ASSET_PATH;
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const name = process.env.ASSET_NAME;
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const data = fs.readFileSync(path);
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await github.repos.uploadReleaseAsset({
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url: release.upload_url,
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headers: {
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'content-type': 'application/zip',
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'content-length': data.length,
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},
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name,
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data,
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});
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publish:
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name: Publish
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runs-on: ubuntu-latest
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needs: build
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steps:
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- name: Download release-info
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uses: actions/download-artifact@v1
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with:
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name: release-info
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- name: Publish release
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uses: actions/github-script@0.9.0
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with:
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github-token: ${{secrets.GITHUB_TOKEN}}
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script: |
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const fs = require('fs');
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const release = JSON.parse(fs.readFileSync('release-info/release.json'), 'utf8');
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await github.repos.updateRelease({
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owner: context.repo.owner,
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repo: context.repo.repo,
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release_id: release.id,
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draft: false,
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});

‎ns-3/__init__.py‎

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import os
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__BASE_PATH = os.path.dirname(os.path.abspath(__file__))
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def __extend_environ(key, *args):
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old_value = os.environ.get(key, '')
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if old_value != '':
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old_value += os.pathsep
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os.environ[key] = old_value + os.path.join(*args)
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__extend_environ('PATH', __BASE_PATH, '_', 'bin')

‎ns-3/build.sh‎

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#!/bin/sh -e
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section() {
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echo "##[section]$@"
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}
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set_env() {
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echo "$1=$2"
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echo "::set-env name=$1::$2"
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}
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command() {
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echo "##[command]$@"
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"$@"
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}
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workdir() {
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if [ ! -d "$1" ]; then
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command mkdir -p "$1"
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fi
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command cd "$1"
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}
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run() {
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echo "##[group]$@"
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local code=0
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("$@") || code=$?
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echo "##[endgroup]"
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return $code
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}
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runsh() {
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echo "##[group]$1"
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local code=0
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(sh -c "$1") || code=$?
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echo "##[endgroup]"
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return $code
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}
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repo="$PWD"
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base="$repo/ns-3"
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section ---------------- Install ----------------
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run apt-get update
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run apt-get install -y --no-install-recommends \
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bzip2 \
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cmake \
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curl \
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g++ \
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git \
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libclang-dev \
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llvm-dev \
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make \
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patch \
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patchelf \
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python3-dev \
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python3-pip \
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python3-setuptools \
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python3-wheel \
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qt5-default \
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zip \
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&& true
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run pip3 install \
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cxxfilt \
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git+https://github.com/felix-gohla/pygccxml@v1.9.2 \
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&& true
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section ---------------- CastXML ----------------
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workdir /opt/castxml
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run git clone --branch v0.2.0 --depth 1 https://github.com/CastXML/CastXML.git .
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run test "$(git rev-parse HEAD)" = 5ba47e3b67c4a9070e8404ed2db4d16c52e4267b
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run cmake .
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run make -j $(nproc)
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run make install
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export NS3_VERSION=3.30
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# 3.30
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ns3_download_sha1=b4d40bb9777ee644bdba50e3a2e221da85715b4e
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section ---------------- download ----------------
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workdir /opt/ns-3
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run curl -L -o ../ns-3.tar.bz2 https://mgjm.de/ns-allinone-$NS3_VERSION.tar.bz2
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runsh "echo '${ns3_download_sha1} ../ns-3.tar.bz2' | sha1sum -c"
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run tar xj --strip-components 1 -f ../ns-3.tar.bz2
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section ---------------- NetAnim ----------------
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run patch -p 1 -i "$base/netanim_python_$NS3_VERSION.patch"
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workdir netanim-*
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run qmake NetAnim.pro
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run make -j $(nproc)
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section ---------------- ns-3 ----------------
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workdir "/opt/ns-3/ns-$NS3_VERSION"
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run ./waf configure
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run ./waf --apiscan=netanim && \
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workdir "/opt/ns-3"
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run ./build.py -- install --destdir=/ns-3-build
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run cp netanim-*/NetAnim /ns-3-build/usr/local/bin
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section ---------------- python wheel ----------------
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run cp "$base/__init__.py" /ns-3-build/usr/local/lib/python3/dist-packages/ns/
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run cp -r "$base/ns" /opt/ns
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workdir /opt/ns
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run python3 setup.py bdist_wheel
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run python3 -m wheel unpack -d patch "dist/ns-$NS3_VERSION-py3-none-any.whl"
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ns3_patch="patch/ns-$NS3_VERSION"
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for f in "$ns3_patch"/ns/*.so; do
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run patchelf --set-rpath '$ORIGIN/_/lib' "$f";
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done
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for f in "$ns3_patch"/ns/_/bin/*; do
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run patchelf --set-rpath '$ORIGIN/../lib' "$f";
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run chmod +x "$f";
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done
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run mkdir dist2
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run python3 -m wheel pack -d dist2 "$ns3_patch"
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asset_name="ns-$NS3_VERSION-py3.whl"
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asset_path="$base/$asset_name"
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run cp "dist2/ns-$NS3_VERSION-py3-none-any.whl" "$asset_path"
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section ---------------- done ----------------
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set_env ASSET_PATH "$asset_path"
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set_env ASSET_NAME "$asset_name"

‎ns-3/netanim_python_3.30.patch‎

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--- a/ns-3.30/src/netanim/wscript 2019-11-28 10:06:08.778243830 +0000
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+++ b/ns-3.30/src/netanim/wscript 2019-11-28 10:06:02.410243559 +0000
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headers.source = ['model/animation-interface.h', ]
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if (bld.env['ENABLE_EXAMPLES']) :
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bld.recurse('examples')
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-
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+ bld.ns3_python_bindings()

‎ns-3/ns/setup.py‎

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#!/usr/bin/env python3
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import os
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from sys import platform
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from setuptools import setup
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from setuptools.command.install import install
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from distutils.command.build import build
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from subprocess import call
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from multiprocessing import cpu_count
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NS3_BUILD_PATH = '/ns-3-build'
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NS3_VERSION = os.environ['NS3_VERSION']
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class NS3Build(build):
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def run(self):
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super().run()
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self.copy_tree(f'{NS3_BUILD_PATH}/usr/local/lib/python3/dist-packages/ns', self.build_lib + '/ns')
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self.copy_tree(f'{NS3_BUILD_PATH}/usr/local/lib', self.build_lib + '/ns/_/lib')
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self.copy_tree(f'{NS3_BUILD_PATH}/usr/local/bin', self.build_lib + '/ns/_/bin')
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class NS3Install(install):
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def run(self):
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super().run()
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self.copy_tree(self.build_lib, self.install_lib)
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def read(filename):
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with open(filename, 'r') as file:
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return file.read()
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setup(
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name='ns',
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version=NS3_VERSION,
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description='a discrete-event network simulator for internet systems',
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maintainer='Martin Michaelis',
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maintainer_email='code@mgjm.de',
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license='GPLv2',
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url='https://www.nsnam.org',
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long_description=read(f'/opt/ns-3/ns-{NS3_VERSION}/README.md'),
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long_description_content_type='text/markdown',
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classifiers=[
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'License :: OSI Approved :: GNU General Public License v2 (GPLv2)',
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'Operating System :: Unix',
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'Programming Language :: C++',
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],
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cmdclass={
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'build': NS3Build,
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'install': NS3Install,
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},
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)

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