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import numpy as np
from variables import *
import json , logging
from context.client.ContextClient import ContextClient
from common.proto.context_pb2 import TopologyId
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def common_slots(a, b):
return list(np.intersect1d(a, b))
def map_modulation_to_op(mod):
if mod == "DP-QPSK":
return 1
if mod == "DP-16QAM":
return 7
if mod == "DP-64QAM":
return 10
def map_band_to_slot(band):
return int(band/12.5)
def map_rate_to_slot(rate):
if rate == 100:
mod = "DP-QPSK"
slots = 4
op = map_modulation_to_op(mod)
return op, slots
if rate == 400:
mod = "DP-16QAM"
slots = 8
op = map_modulation_to_op(mod)
return op, slots
if rate == 1000:
mod = "DP-64QAM"
slots = 18
op = map_modulation_to_op(mod)
return op, slots
else:
return 2, 5
x1 = list(link.keys())
x = str_list_to_int(x1)
if (int(x[i]) == int(x[i - 1]) + 1) and link[str(x[i])] == 1:
else:
if y >= val:
res.extend(temp)
y = 1
if i == len(x) - 1 and y >= val:
res.extend(temp)
return res
def combine(ls1, ls2):
temp = ls1
for i in ls2:
if i not in ls1:
temp.append(i)
temp.sort()
return temp
def str_list_to_int(str_list):
int_list = []
for i in str_list:
int_list.append(int(i))
return int_list
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def list_in_list(a, b):
# convert list A to numpy array
a_arr = np.array(a)
# convert list B to numpy array
b_arr = np.array(b)
for i in range(len(b_arr)):
if np.array_equal(a_arr, b_arr[i:i + len(a_arr)]):
return True
return False
def reverse_link(link):
s, d = link.split('-')
r_link = "{}-{}".format(d, s)
return r_link
def get_slot_frequency(b, n):
if debug:
print(n)
if b == "c_slots":
return Fc + n * 12.5
if b == "s_slots":
return Fs + n * 12.5
if b == "l_slots":
return Fl + n * 12.5
def freqency_converter(b, slots):
l = len(slots)
if debug:
print(slots)
if l % 2 == 0:
if debug:
print("pari {}".format(l))
fx = get_slot_frequency(b, slots[int(l / 2)-1])
if debug:
print(fx)
#GHz
# #f0 = fx + 6.25
#MHz
f0 = int((fx + 6.25) * 1000)
else:
f0 = get_slot_frequency(b, slots[int((l + 1) / 2) - 1])
#GHz
# #return f0, 12.5 * l
# MHz
return f0, int((12.5 * l) * 1000)
def readTopologyData(nodes, topology):
nodes_file = open(nodes, 'r')
topo_file = open(topology, 'r')
nodes = json.load(nodes_file)
topo = json.load(topo_file)
nodes_file.close()
topo_file.close()
return nodes, topo
def readTopologyDataFromContext(topology_id:TopologyId):
ctx_client = ContextClient()
ctx_client.connect()
topo_details = ctx_client.GetTopologyDetails(topology_id)
topo = topo_details.optical_links
nodes = topo_details.devices
ctx_client.close()
return topo , nodes
def reverse_links(links):
temp_links = links.copy()
temp_links.reverse()
result = []
for link in temp_links:
[a, b] = link.split("-")
result.append("{}-{}".format(b, a))
return result
def get_links_from_node(topology, node):
result = {}
for link in topology["links"]:
if "{}-".format(node) in link["name"]:
result[link["name"]] = link
def get_links_to_node(topology, node):
result = {}
for link in topology["links"]:
if "-{}".format(node) in link["name"]:
result[link["name"]] = link
return result
def slot_selection(c, l, s, n_slots, Nc, Nl, Ns):
# First Fit
if isinstance(n_slots, int):
slot_c = n_slots
slot_l = n_slots
slot_s = n_slots
else:
slot_c = Nc
slot_l = Nl
slot_s = Ns
if len(c) >= slot_c:
return "c_slots", c[0: slot_c]
elif len(l) >= slot_l:
return "l_slots", l[0: slot_l]
return "s_slots", s[0: slot_s]
else:
return None, None