def build_moquitto()
{
  sh '''
  set -e
  DESTDIR="$WORKSPACE/build/$arch/"
  [ -d "$DESTDIR" ] && rm -rf "$DESTDIR" || true
  mkdir -p "$DESTDIR"
  
  # build libwebsocket first
  cd $WORKSPACE
  [ -d libwebsockets/build/ ] && rm -rf libwebsockets/build/ || true
  mkdir -p libwebsockets/build/
  cd libwebsockets/build/
  cmake -DLWS_WITH_EXTERNAL_POLL=ON -DLWS_WITH_STATIC=1 -DLWS_WITH_SHARED=0 ..
  make

  # now build moquitto
    cd $WORKSPACE/mosquitto
    make reallyclean || true
    make WITH_WEBSOCKETS=yes \
        WITH_CJSON=no \
        WITH_SHARED_LIBRARIES=no \
        WITH_SYSTEMD=no \
        WITH_DOCS=no \
        CFLAGS="-I $WORKSPACE/libwebsockets/build/include/" \
        LDFLAGS="-L $WORKSPACE/libwebsockets/build/lib"

  # install neccessary file
  mkdir -p "$DESTDIR/opt/www/bin/"
  mkdir -p "$DESTDIR/opt/www/config/"
  cp ./src/mosquitto $DESTDIR/opt/www/bin/
  cp ./apps/mosquitto_passwd/mosquitto_passwd $DESTDIR/opt/www/bin/
  cp ./mosquitto.conf $DESTDIR/opt/www/config/
  '''

}

pipeline{
  agent { node{ label'master' }}
  options {
    buildDiscarder(logRotator(numToKeepStr: "1"))
    // Enable timestamps in build log console
    timestamps()
    // Maximum time to run the whole pipeline before canceling it
    timeout(time: 3, unit: 'HOURS')
    // Use Jenkins ANSI Color Plugin for log console
    ansiColor('xterm')
    // Limit build concurrency to 1 per branch
    disableConcurrentBuilds()
  }
  stages
  {
    stage('Build AMD64') {
      agent {
          docker {
              image 'xsangle/ci-tools:bionic-amd64'
              reuseNode true
          }
      }
      steps {
        script{
          env.arch = "amd64"
        }
        build_moquitto()
      }
    }
    stage('Build ARM64') {
      agent {
          docker {
              image 'xsangle/ci-tools:bionic-arm64'
              reuseNode true
          }
      }
      steps {
        script{
          env.arch = "arm64"
        }
        build_moquitto()
      }
    }
    stage('Build ARM') {
      agent {
          docker {
              image 'xsangle/ci-tools:bionic-arm'
              reuseNode true
          }
      }
      steps {
        script{
          env.arch = "arm"
        }
        build_moquitto()
      }
    }
    stage('Archive') {
      steps {
        script {
            archiveArtifacts artifacts: 'build/', fingerprint: true
        }
      }
    }
  }
}