def load_exising_experiment(link_id):
session = Session()
# first, if data_sum is already present, try with it
tenant = session.query(Tenant).filter(Tenant.name == link_id).one()
su = session.query(Substrate).one()
rs = RandomState(seed=5)
logging.debug("Data logged from DB")
return tenant, su, rs
def create_new_experiment(link_id):
session = Session()
logging.info("Unexpected error:", sys.exc_info()[0])
logging.debug("Failed to read data_sum from DB, reloading from file")
if link_id == "dummy":
print("powerlaw graph selecteds")
rs, su = clean_and_create_experiment(("powerlaw", (50, 2, 0.3, 1, 500000000, 20, 200,)), seed=5)
else:
print("links %s graph selected" % link_id)
rs, su = clean_and_create_experiment(("links", (link_id,)), 5)
tenant = Tenant(name=link_id)
session.add(tenant)
session.add(su)
session.flush()
return tenant, su, rs
def create_sla(client_count, cdn_count, vcdn_count):
slas = generate_random_slas(rs,
su,
count=1,
user_count=1000000,
max_start_count=client_count,
max_end_count=cdn_count + vcdn_count,
tenant=tenant,
min_start_count=client_count - 1,
min_end_count=cdn_count + vcdn_count - 1)
session = Session()
session.add_all(slas)
session.flush()
logging.debug("SLA saved")
sla = slas[0]
return sla
default=1)
parser.add_argument('--vcdnratio', help="the share of source traffic toward vcdn (default 0.35)", default=0.35,
type=float)
parser.add_argument('--sourcebw', help="cumulated source bw from every source (default 100 bits) ", default=100000000,
type=int)
parser.add_argument('--topo', help="specify topo to use", default=('grid', ["5", "5", "100000000", "10", "200"]),
type=valid_topo)
parser.add_argument('--disable-heuristic', dest="disable_heuristic", action="store_true")
parser.add_argument('--dest_folder', help="destination folder for restults", default=RESULTS_FOLDER)
args = parser.parse_args()
# create the topology
rs, su = clean_and_create_experiment(args.topo, args.seed)
session = Session()
tenant = Tenant()
session.add(tenant)
slas = generate_random_slas(rs, su, count=args.sla_count, user_count=1000, max_start_count=args.max_start,
max_end_count=args.max_cdn, tenant=tenant,min_start_count=args.min_start,
min_end_count=args.min_cdn)
for sla in slas:
try:
logging.debug("full")
service_no_heuristic, count_embedding_no_heuristic = optimize_sla(sla, automatic=True, use_heuristic=False)
service_no_heuristic_mapping_objective_function = service_no_heuristic.mapping.objective_function
except ValueError as e:
service_no_heuristic_mapping_objective_function = float("nan")
try:
parser = argparse.ArgumentParser(description='1 iteration for solver')
parser.add_argument('--svg', dest='dosvg', action='store_true')
parser.add_argument('--dest', help="destination for the SVG file", default=os.path.join(RESULTS_FOLDER, "./res.svg"))
parser.add_argument('--service_link_linewidth', default=5, type=int)
parser.add_argument('--net', dest='net', action='store_true', help="print only the network")
parser.add_argument('--view', dest='view', action='store_true')
parser.add_argument("-s", '--serviceid', type=int)
args = parser.parse_args()
# if not args.net:
# graphiz_exe="neato"
# else:
# graphiz_exe="dot"
session = Session()
service = session.query(Service).order_by(Service.id.desc()).all()
if len(service)>0 :
service = service[0]
service_id = str(service.id)
# service.slas[0].substrate.write(path=str(args.serviceid))
dosvg = args.dosvg
plotsol_from_db(service_link_linewidth=args.service_link_linewidth, net=args.net, service=service)
if not dosvg:
file = tempfile.mkstemp(".pdf")[1]
subprocess.Popen(
["neato", os.path.join(RESULTS_FOLDER, service_id, "../substrate.dot"), "-Tpdf", "-o", file]).wait()
if args.view:
subprocess.Popen(["evince", file]).wait()
else:
parser = argparse.ArgumentParser(description='1 iteration for solver')
parser.add_argument('--svg', dest='dosvg', action='store_true')
parser.add_argument('--dest', help="destination for the SVG file", default=os.path.join(RESULTS_FOLDER, "./res.svg"))
parser.add_argument('--service_link_linewidth', default=5, type=int)
parser.add_argument('--net', dest='net', action='store_true', help="print only the network")
parser.add_argument('--view', dest='view', action='store_true')
parser.add_argument("-s", '--serviceid', type=int)
args = parser.parse_args()
# if not args.net:
# graphiz_exe="neato"
# else:
# graphiz_exe="dot"
session = Session()
service = session.query(Service).order_by(Service.id.desc()).all()[0]
service_id = str(service.id)
# service.slas[0].substrate.write(path=str(args.serviceid))
dosvg = args.dosvg
plotsol_from_db(service_link_linewidth=args.service_link_linewidth, net=args.net, service=service)
if not dosvg:
file = tempfile.mkstemp(".pdf")[1]
subprocess.Popen(
["neato", os.path.join(RESULTS_FOLDER, service_id, "./substrate.dot"), "-Tpdf", "-o", file]).wait()
if args.view:
subprocess.Popen(["evince", file]).wait()
else:
file = args.dest
subprocess.Popen(
parser.add_argument('--topo',
help="specify topo to use",
default=('grid', ["5", "5", "100000000", "10", "200"]),
type=valid_topo)
parser.add_argument('--disable-heuristic',
dest="disable_heuristic",
action="store_true")
parser.add_argument('--dest_folder',
help="destination folder for restults",
default=RESULTS_FOLDER)
args = parser.parse_args()
# create the topology
rs, su = clean_and_create_experiment(args.topo, args.seed)
session = Session()
tenant = Tenant()
session.add(tenant)
slas = generate_random_slas(rs,
su,
count=args.sla_count,
user_count=1000,
max_start_count=args.max_start,
max_end_count=args.max_cdn,
tenant=tenant,
min_start_count=args.min_start,
min_end_count=args.min_cdn)
for sla in slas:
try:
logging.debug("full")
