api.py 文件源码

def list_virtual_tns():
    """
    The VirtualTN resource endpoint for listing VirtualTN's from the pool.
    """
    virtual_tns = VirtualTN.query.all()
    res = [{'value': tn.value, 'session_id': tn.session_id} for tn in virtual_tns]
    available = len([tn.value for tn in virtual_tns if tn.session_id is None])
    return Response(
        json.dumps({"virtual_tns": res,
                    "pool_size": len(res),
                    "available": available,
                    "in_use": len(res) - available}),
        content_type="application/json")