def get_route_compare_algs(file_path):
all_node = []
all_node_alone = []
all_edge = []
all_edge_alone = []
all_edge_alone_order = []
terminal_random = []
one_edge = []
one_edge1 = []
one_edge_order = []
one_node = []
source = []
terminal = []
weight = []
flow_sfc = []
capacity = {'F1':10,'F2':10,'F3':10,'F4':10,'F5':10,'F6':10,'F7':10,'F8':10,'F9':10,'F10':10,'I1':10,'I2':10,'I3':10,'I4':10,'I5':10,'I6':10,'I7':10,'I8':10,'I9':10,'I10':10,'P1':10,'P2':10,'P3':10,'P4':10,'P5':10,'P6':10,'P7':10,'P8':10,'P9':10,'P10':10,'D1':10,'D2':10,'D3':10,'D4':10,'D5':10,'D6':10,'D7':10,'D8':10,'D9':10,'D10':10,'W1':10,'W2':10,'W3':10,'W4':10,'W5':10,'W6':10,'W7':10,'W8':10,'W9':10,'W10':10}
fd=file_path+'/SIMPLE_path.txt'
if os.path.exists(fd):
os.remove(fd)
fd=file_path+'/PDA_path.txt'
if os.path.exists(fd):
os.remove(fd)
k = 0
for line in open(file_path+"/flow_feasible_vnf.txt"):
flow_path=txt_wrap_by("'","'",line,0)
flow_sfc.append(flow_path)
if k%3 == 0:
source.append(flow_path[0])
terminal.append(flow_path[len(flow_path)-2])
weight.append(flow_path[len(flow_path)-1])
k=k+1
print len(source),len(flow_sfc),k
flow_number = len(source)
print "flow_number",flow_number
for sr in range (0,flow_number):
if sr%100 == 0:
print"source is ",sr,source[sr], terminal[sr]
main_path_all = []
one_source_edge = []
one_source_edge_order = []
one_source_node = []
main_path =[]
for q in range(0,len(flow_sfc[3*sr])-2):
path = dijkstra(g, str(flow_sfc[3*sr][q]),str(flow_sfc[3*sr][q+1]))
main_path_seg = path.get('path')
for i in range(0,len(main_path_seg)):
main_path_seg[i] = main_path_seg[i].encode(CODEC)
for i in range(0,len(main_path_seg)-1):
main_path.append(main_path_seg[i])
if q == len(flow_sfc[3*sr])-3:
main_path.append(main_path_seg[len(main_path_seg)-1])
for i in range(0,len(main_path)):
main_path_all.append(main_path[i])
for f in range(0,len(main_path)-3):
siwtch1 = int(main_path[f+1][1])
siwtch2 = int(main_path[f+2][1])
one_edge_order = main_path[f+1] + main_path[f+2]
if len(main_path[f+1]) == 3:
siwtch1 = siwtch1*10 + int(main_path[f+1][2])
if len(main_path[f+1]) == 4:
siwtch1 = siwtch1*100 + int(main_path[f+1][2])*10 + int(main_path[f+1][3])
if len(main_path[f+2]) == 3:
siwtch2 = siwtch2*10 + int(main_path[f+2][2])
if len(main_path[f+2]) == 4:
siwtch2 = siwtch2*100 + int(main_path[f+2][2])*10 + int(main_path[f+2][3])
if siwtch1 < siwtch2:
one_edge = main_path[f+1] + main_path[f+2]
one_edge1 = main_path[f+2] + main_path[f+1]
else:
one_edge = main_path[f+2] + main_path[f+1]
one_edge1 = main_path[f+1] + main_path[f+2]
if one_edge not in all_edge:
if one_edge1 not in all_edge:
all_edge.append(one_edge)
else:
one_edge = one_edge1
one_source_edge.append(one_edge)
one_source_edge_order.append(one_edge_order)
all_edge_alone.append(one_source_edge)
all_edge_alone_order.append(one_source_edge_order)
for f in range(0,len(main_path)-2):
one_node = main_path[f+1]
if one_node not in all_node:
all_node.append(one_node)
one_source_node.append(one_node)
all_node_alone.append(one_source_node)
one_source_edge_order = []
one_source_node = []
one_source_edge = []
main_path =[]
for q in range(0,len(flow_sfc[3*sr+1])-2):
path = dijkstra2(g, str(flow_sfc[3*sr+1][q]),str(flow_sfc[3*sr+1][q+1]),main_path_all)
main_path_seg = path.get('path')
for i in range(0,len(main_path_seg)):
main_path_seg[i] = main_path_seg[i].encode(CODEC)
for i in range(0,len(main_path_seg)-1):
main_path.append(main_path_seg[i])
if q == len(flow_sfc[3*sr+1])-3:
main_path.append(main_path_seg[len(main_path_seg)-1])
for i in range(0,len(main_path)):
main_path_all.append(main_path[i])
for f in range(0,len(main_path)-3):
siwtch1 = int(main_path[f+1][1])
siwtch2 = int(main_path[f+2][1])
one_edge_order = main_path[f+1] + main_path[f+2]
if len(main_path[f+1]) == 3:
siwtch1 = siwtch1*10 + int(main_path[f+1][2])
if len(main_path[f+1]) == 4:
siwtch1 = siwtch1*100 + int(main_path[f+1][2])*10 + int(main_path[f+1][3])
if len(main_path[f+2]) == 3:
siwtch2 = siwtch2*10 + int(main_path[f+2][2])
if len(main_path[f+2]) == 4:
siwtch2 = siwtch2*100 + int(main_path[f+2][2])*10 + int(main_path[f+2][3])
if siwtch1 < siwtch2:
one_edge = main_path[f+1] + main_path[f+2]
one_edge1 = main_path[f+2] + main_path[f+1]
else:
one_edge = main_path[f+2] + main_path[f+1]
one_edge1 = main_path[f+1] + main_path[f+2]
if one_edge not in all_edge:
if one_edge1 not in all_edge:
all_edge.append(one_edge)
else:
one_edge = one_edge1
one_source_edge.append(one_edge)
one_source_edge_order.append(one_edge_order)
all_edge_alone.append(one_source_edge)
all_edge_alone_order.append(one_source_edge_order)
for f in range(0,len(main_path)-2):
one_node = main_path[f+1]
if one_node not in all_node:
all_node.append(one_node)
one_source_node.append(one_node)
all_node_alone.append(one_source_node)
one_source_node = []
one_source_edge = []
one_source_edge_order = []
main_path =[]
for q in range(0,len(flow_sfc[3*sr+2])-2):
path = dijkstra3(g, str(flow_sfc[3*sr+2][q]),str(flow_sfc[3*sr+2][q+1]),main_path_all)
main_path_seg = path.get('path')
for i in range(0,len(main_path_seg)):
main_path_seg[i] = main_path_seg[i].encode(CODEC)
for i in range(0,len(main_path_seg)-1):
main_path.append(main_path_seg[i])
if q == len(flow_sfc[3*sr+2])-3:
main_path.append(main_path_seg[len(main_path_seg)-1])
for i in range(0,len(main_path)):
main_path_all.append(main_path[i])
for f in range(0,len(main_path)-3):
siwtch1 = int(main_path[f+1][1])
siwtch2 = int(main_path[f+2][1])
one_edge_order = main_path[f+1] + main_path[f+2]
if len(main_path[f+1]) == 3:
siwtch1 = siwtch1*10 + int(main_path[f+1][2])
if len(main_path[f+1]) == 4:
siwtch1 = siwtch1*100 + int(main_path[f+1][2])*10 + int(main_path[f+1][3])
if len(main_path[f+2]) == 3:
siwtch2 = siwtch2*10 + int(main_path[f+2][2])
if len(main_path[f+2]) == 4:
siwtch2 = siwtch2*100 + int(main_path[f+2][2])*10 + int(main_path[f+2][3])
if siwtch1 < siwtch2:
one_edge = main_path[f+1] + main_path[f+2]
one_edge1 = main_path[f+2] + main_path[f+1]
else:
one_edge = main_path[f+2] + main_path[f+1]
one_edge1 = main_path[f+1] + main_path[f+2]
if one_edge not in all_edge:
if one_edge1 not in all_edge:
all_edge.append(one_edge)
else:
one_edge = one_edge1
one_source_edge.append(one_edge)
one_source_edge_order.append(one_edge_order)
all_edge_alone.append(one_source_edge)
all_edge_alone_order.append(one_source_edge_order)
for f in range(0,len(main_path)-2):
one_node = main_path[f+1]
if one_node not in all_node:
all_node.append(one_node)
one_source_node.append(one_node)
all_node_alone.append(one_source_node)
weight [sr] = int (weight[sr])
for flow_traffic in range(1,2):
alg0=0
alg1=0
alg2=0
alg3=0
for randome_time in range(0,1):
for entries in range(31,32): #300-4200
entries = entries *10000
ce = 10000
for alg in range(0,10):
if alg == 2: #SIMPLE alg, linke load balancing
used_ce = defaultdict(lambda:None)
used_entries = defaultdict(lambda:None)
for v in all_node:
used_entries[v] = 0
for e in all_edge:
used_ce[e] = 0
lambda1 = 0
max_entries = 0
temp2 = 0
for i in range(0,flow_number):
temp = [[0 for col in range(2)] for row in range(3)]
for row in range(0,3):
for col in range(0,2):
temp[row][col] = 0
for j in range(0,3):
for n in range(0,len(all_edge_alone[3*i+j])):
q=0
for m in range(0,len(all_edge_alone[3*i+j])):
if all_edge_alone[3*i+j][n] == all_edge_alone[3*i+j][m]:
q=q+1
if temp[j][1]<(used_ce[all_edge_alone[3*i+j][n]] + q*weight[i])/float(ce):
temp[j][1] = (used_ce[all_edge_alone[3*i+j][n]] + q*weight[i])/float(ce)
temp1 = 1000000
k = 0
for j in range(0,3):
if temp[j][1] < temp1:
k = j;
temp1 = temp[j][1];
for n in range(0,len(all_edge_alone[3*i+k])):
used_ce[all_edge_alone[3*i+k][n]] = used_ce[all_edge_alone[3*i+k][n]] + weight[i]
for n in range(0,len(all_node_alone[3*i+k])):
used_entries[all_node_alone[3*i+k][n]] = used_entries[all_node_alone[3*i+k][n]] + 1
alg2_choosed_path=[]
alg2_choosed_path.append(source[i])
for j in range (0,len(all_node_alone[3*i+k])):
alg2_choosed_path.append(all_node_alone[3*i+k][j])
alg2_choosed_path.append(terminal[i])
alg2_choosed_path.append(weight[i])
fd=open(file_path+'/SIMPLE_path.txt','a')
fd.write(str(alg2_choosed_path) + '\n')
fd.close()
alg2_entries ={}
for j in used_entries:
if 's' in str(j):
alg2_entries[j] = used_entries [j]
if max_entries < used_entries[j]:
max_entries = used_entries[j]
p1 = file_path+"/SIMPLE_entries.json" #rounding
fd = open(p1, 'w')
fd.write(json.dumps(alg2_entries, indent=1))
fd.close()
p1 = file_path+"/SIMPLE_ce.json" #rounding
p2 = file_path+"/SIMPLE_NF_load.json" # rounding
fd1 = open(p1, 'w')
fd2 = open(p2, 'w')
alg2_ce_link = {}
alg2_ce_middlebox = {}
for e in all_edge:
isMark = 0
for key in capacity:
if key in e:
alg2_ce_middlebox[key] = float(used_ce[e])/2
isMark = 1
if isMark == 0:
alg2_ce_link[e] = float(used_ce[e]) / float(ce)
fd1.write(json.dumps(alg2_ce_link, indent=1))
fd1.close()
fd2.write(json.dumps(alg2_ce_middlebox, indent=1))
fd2.close()
lambda1 = 0
for j in alg2_ce_link:
if lambda1 < alg2_ce_link[j]:
lambda1 = alg2_ce_link[j]
SIMPLE_max_NF=0
for j in alg2_ce_middlebox:
if SIMPLE_max_NF < alg2_ce_middlebox[j]:
SIMPLE_max_NF = alg2_ce_middlebox[j]
print "SIMPLE",lambda1,max_entries
p1 = file_path+"/SIMPLE_lambda.json"
fd = open(p1, 'w')
fd.write(json.dumps(lambda1))
fd.close()
p1 = file_path+"/SIMPLE_max_entries.json"
fd = open(p1, 'w')
fd.write(json.dumps(max_entries))
fd.close()
p1 = file_path+"/SIMPLE_max_NF.json"
fd = open(p1, 'w')
fd.write(json.dumps(SIMPLE_max_NF))
fd.close()
if alg == 3: #PDA alg
used_ce = defaultdict(lambda:None)
used_entries = defaultdict(lambda:None)
for v in all_node:
used_entries[v] = 0
for e in all_edge:
used_ce[e] = 0
lambda1 = 0
max_entries = 0
temp2 = 0
for i in range(0,flow_number):
temp = [[0 for col in range(2)] for row in range(3)]
for row in range(0,3):
for col in range(0,2):
temp[row][col] = 0
for j in range(0,3):
for n in range(0,len(all_node_alone[3*i+j])):
q=0
for m in range(0,len(all_node_alone[3*i+j])):
if all_node_alone[3*i+j][n] == all_node_alone[3*i+j][m]:
q=q+1
if temp[j][1]<used_entries[all_node_alone[3*i+j][n]] + q:
temp[j][1] = used_entries[all_node_alone[3*i+j][n]] + q
temp1 = 10000000
k = 0 #表示选几个可行路径中的哪一条
for j in range(0,3):
if temp[j][1] < temp1: #选择满足流表约束条件下的，负载最轻的那条可行路径.
k = j;
temp1 = temp[j][1];
for n in range(0,len(all_edge_alone[3*i+k])): #从可行路径中选择一条（第k条），需要使用链路容量和流表项
used_ce[all_edge_alone[3*i+k][n]] = used_ce[all_edge_alone[3*i+k][n]] + weight[i]
#if used_ce[all_edge_alone[3*i+k][n]]/float(ce) > lambda1:
#lambda1 = used_ce[all_edge_alone[3*i+k][n]]/float(ce) #记录最大的lambda
for n in range(0,len(all_node_alone[3*i+k])):
used_entries[all_node_alone[3*i+k][n]] = used_entries[all_node_alone[3*i+k][n]] + 1
alg3_choosed_path=[]
alg3_choosed_path.append(source[i])
for j in range (0,len(all_node_alone[3*i+k])):
alg3_choosed_path.append(all_node_alone[3*i+k][j])
alg3_choosed_path.append(terminal[i])
alg3_choosed_path.append(weight[i])
fd=open(file_path+'/PDA_path.txt','a')
fd.write(str(alg3_choosed_path) + '\n')
fd.close()
alg3_entries ={}
for j in used_entries:
if 's' in str(j):
alg3_entries[j] = used_entries [j]
if max_entries < used_entries[j]:
max_entries = used_entries[j]
p1 = file_path+"/PDA_entries.json" #rounding
fd = open(p1, 'w')
fd.write(json.dumps(alg3_entries, indent=1))
fd.close()
p1 = file_path+"/PDA_ce.json" #rounding
p2 = file_path+"/PDA_NF_load.json" # rounding
fd1 = open(p1, 'w')
fd2 = open(p2, 'w')
alg3_ce_link = {}
alg3_ce_middlebox = {}
for e in all_edge:
isMark = 0
#链路负载和midllebox负载
for key in capacity:
if key in e:
alg3_ce_middlebox[key] = float(used_ce[e])/2
isMark = 1
if isMark == 0:
alg3_ce_link[e] = float(used_ce[e]) / float(ce)
fd1.write(json.dumps(alg3_ce_link, indent=1))
fd1.close()
fd2.write(json.dumps(alg3_ce_middlebox, indent=1))
fd2.close()
lambda1 = 0
for j in alg3_ce_link:
if lambda1 < alg3_ce_link[j]:
lambda1 = alg3_ce_link[j]
PDA_max_NF=0
for j in alg3_ce_middlebox:
if PDA_max_NF < alg3_ce_middlebox[j]:
PDA_max_NF = alg3_ce_middlebox[j]
print "PDA",lambda1, max_entries
p1 = file_path+"/PDA_lambda.json"
fd = open(p1, 'w')
fd.write(json.dumps(lambda1))
fd.close()
p1 = file_path+"/PDA_max_entries.json"
fd = open(p1, 'w')
fd.write(json.dumps(max_entries))
fd.close()
p1 = file_path+"/PDA_max_NF.json"
fd = open(p1, 'w')
fd.write(json.dumps(PDA_max_NF))
fd.close()
print "Compare_algs Finished"
def gen_data(number_of_flow, net, start_node):
all_node = [] #所有节点 []
all_node_alone = [] #每个路径的所有节点 [[][]]
all_edge = [] #所有边 []
all_edge_alone = [] #每个路径的所有边 [[][]]
source = []
terminal = []
source_random = []
terminal_random = []
one_edge = []
one_node = []
source_tmp = []
source_number = len(start_node)
for i in range(0, source_number - 1):
source_tmp.extend([i for jj in range(0, source_number - 1 - i)])
#0...0 1...1 2...2
terminal_tmp = []
for i in range(0, source_number - 1):
terminal_tmp.extend(range(source_number - 1, i, -1))
#128...1 128...2 128...3
random.shuffle(source_tmp)
random.shuffle(terminal_tmp)
# print source_tmp
# print terminal_tmp
# exit()
count = 0
source_random = []
terminal_random = []
while count < number_of_flow:
s = random.choice(source_tmp)
d = random.choice(terminal_tmp)
while s == d:
s = random.choice(source_tmp)
d = random.choice(terminal_tmp)
source_random.append(s) #源节点的索引
terminal_random.append(d) #目的节点的索引
count += 1
source = [
start_node[source_random[i]] for i in range(0, len(source_random))
] #6000
terminal = [
start_node[terminal_random[i]] for i in range(0, len(terminal_random))
] #6000
number_of_bigflow = len(source_random) / 4
number_of_smallflow = len(source_random) - number_of_bigflow
for sr in range(0, len(source_random)):
main_path_all = []
one_source_edge = []
one_source_node = []
path = dijkstra(g, source[sr], terminal[sr])
main_path = path.get('path')
#每条流的路径
for i in range(0, len(main_path)):
main_path[i] = main_path[i].encode(CODEC)
main_path_all.append(main_path[i])
for f in range(0, len(main_path) - 3):
switch1 = toInt(main_path[f + 1])
switch2 = toInt(main_path[f + 2])
if switch1 < switch2:
one_edge = main_path[f + 1] + main_path[f + 2]
else:
one_edge = main_path[f + 2] + main_path[f + 1]
if one_edge not in all_edge:
all_edge.append(one_edge)
one_source_edge.append(one_edge)
all_edge_alone.append(one_source_edge)
for f in range(0, len(main_path) - 2):
one_node = main_path[f + 1]
if one_node not in all_node:
all_node.append(one_node)
one_source_node.append(one_node)
all_node_alone.append(one_source_node)
#path2
one_source_edge = []
one_source_node = []
path = dijkstra2(g, source[sr], terminal[sr], main_path_all)
main_path = path.get('path')
# 每条流的路径
for i in range(0, len(main_path)):
main_path[i] = main_path[i].encode(CODEC)
main_path_all.append(main_path[i])
for f in range(0, len(main_path) - 3):
switch1 = toInt(main_path[f + 1])
switch2 = toInt(main_path[f + 2])
if switch1 < switch2:
one_edge = main_path[f + 1] + main_path[f + 2]
else:
one_edge = main_path[f + 2] + main_path[f + 1]
if one_edge not in all_edge:
all_edge.append(one_edge)
one_source_edge.append(one_edge)
all_edge_alone.append(one_source_edge)
for f in range(0, len(main_path) - 2):
one_node = main_path[f + 1]
if one_node not in all_node:
all_node.append(one_node)
one_source_node.append(one_node)
all_node_alone.append(one_source_node)
#path3
one_source_edge = []
one_source_node = []
path = dijkstra3(g, source[sr], terminal[sr], main_path_all)
main_path = path.get('path')
# 每条流的路径
for i in range(0, len(main_path)):
main_path[i] = main_path[i].encode(CODEC)
main_path_all.append(main_path[i])
for f in range(0, len(main_path) - 3):
switch1 = toInt(main_path[f + 1])
switch2 = toInt(main_path[f + 2])
if switch1 < switch2:
one_edge = main_path[f + 1] + main_path[f + 2]
else:
one_edge = main_path[f + 2] + main_path[f + 1]
if one_edge not in all_edge:
all_edge.append(one_edge)
one_source_edge.append(one_edge)
all_edge_alone.append(one_source_edge)
#print all_edge_alone
for f in range(0, len(main_path) - 2):
one_node = main_path[f + 1]
if one_node not in all_node:
all_node.append(one_node)
one_source_node.append(one_node)
all_node_alone.append(one_source_node)
#print all_node_alone
# print main_path_all
# print all_edge
# print all_node
#all_node 所有出现的节点 all_edge 所有出现的边 all_node_alone 一个list中为一条路径中出现的节点 all_edge_alone 一个list中为一条路径中出现的边
pickle.dump(
all_node_alone,
open(
"./paper_data2/all_node_alone" + "_" + str(number_of_flow) +
".dat", "wb"), True)
pickle.dump(
all_edge_alone,
open(
"./paper_data2/all_edge_alone" + "_" + str(number_of_flow) +
".dat", "wb"), True)
pickle.dump(
source_random,
open(
"./paper_data2/source_random" + "_" + str(number_of_flow) + ".dat",
"wb"), True)
pickle.dump(
terminal_random,
open(
"./paper_data2/terminal_random" + "_" + str(number_of_flow) +
".dat", "wb"), True)
pickle.dump(
all_node,
open("./paper_data2/all_node" + "_" + str(number_of_flow) + ".dat",
"wb"), True)
pickle.dump(
all_edge,
open("./paper_data2/all_edge" + "_" + str(number_of_flow) + ".dat",
"wb"), True)
one_edge = main_path[f + 2] + main_path[f + 1]
if one_edge not in all_edge:
all_edge.append(one_edge)
one_source_edge.append(one_edge)
all_edge_alone.append(one_source_edge)
for f in range(0, len(main_path) - 2):
one_node = main_path[f + 1]
if one_node not in all_node:
all_node.append(one_node)
one_source_node.append(one_node)
all_node_alone.append(one_source_node)
one_source_node = []
one_source_edge = []
path = dijkstra2(g, source[sr], terminal[sr], main_path_all)
main_path = path.get('path')
for i in range(0, len(main_path)):
main_path[i] = main_path[i].encode(CODEC)
main_path_all.append(main_path[i])
for f in range(0, len(main_path) - 3):
siwtch1 = int(main_path[f + 1][1])
siwtch2 = int(main_path[f + 2][1])
if len(main_path[f + 1]) == 3:
siwtch1 = siwtch1 * 10 + int(main_path[f + 1][2])
if len(main_path[f + 1]) == 4:
siwtch1 = siwtch1 * 100 + int(main_path[f + 1][2]) * 10 + int(
main_path[f + 1][3])
if len(main_path[f + 2]) == 3:
siwtch2 = siwtch2 * 10 + int(main_path[f + 2][2])
if len(main_path[f + 2]) == 4:
def get_route_alg1(file_path):
all_node = []
all_node_alone = []
all_edge = []
all_edge_alone = []
all_edge_alone_order = []
one_edge = []
one_edge1 = []
one_edge_order = []
one_node = []
source = []
terminal = []
weight = []
fd = file_path + '/alg1_path_segment.txt'
if os.path.exists(fd):
os.remove(fd)
fd = file_path + '/alg2_path_segment.txt'
if os.path.exists(fd):
os.remove(fd)
fd = file_path + '/alg1_path.txt'
if os.path.exists(fd):
os.remove(fd)
fd = file_path + '/alg2_path.txt'
if os.path.exists(fd):
os.remove(fd)
fd = file_path + '/flows.txt'
if os.path.exists(fd):
os.remove(fd)
fd = file_path + '/paths.txt'
if os.path.exists(fd):
os.remove(fd)
for line in open(file_path + "/flow_vnf.txt"):
flow_path = txt_wrap_by("'", "'", line, 0)
#print flow_path,flow_path[0]
for i in range(0, len(flow_path) - 2):
#print flow_path[i],flow_path[i+1]
source.append(flow_path[i])
terminal.append(flow_path[i + 1])
weight.append(flow_path[len(flow_path) - 1])
# The above is to randomly generate the stream and the stream bandwidth, that is, generate soure[], terminal[], weight[], as the input of the next part of the code routing.
flow_number = len(source)
print "flow_number", flow_number
for sr in range(0, flow_number):
if sr % 1000 == 0:
print "source is ", sr, source[sr], terminal[sr]
main_path_all = []
one_source_edge = []
one_source_edge_order = []
one_source_node = []
path = dijkstra(g, source[sr], terminal[sr])
main_path = path.get('path')
for i in range(0, len(main_path)):
main_path[i] = main_path[i].encode(CODEC)
main_path_all.append(main_path[i])
for f in range(0, len(main_path) - 3):
siwtch1 = int(main_path[f + 1][1])
siwtch2 = int(main_path[f + 2][1])
one_edge_order = main_path[f + 1] + main_path[f + 2]
if len(main_path[f + 1]) == 3:
siwtch1 = siwtch1 * 10 + int(main_path[f + 1][2])
if len(main_path[f + 1]) == 4:
siwtch1 = siwtch1 * 100 + int(main_path[f + 1][2]) * 10 + int(
main_path[f + 1][3])
if len(main_path[f + 2]) == 3:
siwtch2 = siwtch2 * 10 + int(main_path[f + 2][2])
if len(main_path[f + 2]) == 4:
siwtch2 = siwtch2 * 100 + int(main_path[f + 2][2]) * 10 + int(
main_path[f + 2][3])
if siwtch1 < siwtch2:
one_edge = main_path[f + 1] + main_path[f + 2]
one_edge1 = main_path[f + 2] + main_path[f + 1]
else:
one_edge = main_path[f + 2] + main_path[f + 1]
one_edge1 = main_path[f + 1] + main_path[f + 2]
if one_edge not in all_edge:
if one_edge1 not in all_edge:
all_edge.append(one_edge)
else:
one_edge = one_edge1
one_source_edge.append(one_edge)
one_source_edge_order.append(one_edge_order)
all_edge_alone.append(one_source_edge)
all_edge_alone_order.append(one_source_edge_order)
for f in range(0, len(main_path) - 2):
one_node = main_path[f + 1]
if one_node not in all_node:
all_node.append(one_node)
one_source_node.append(one_node)
all_node_alone.append(one_source_node)
one_source_edge_order = []
one_source_node = []
one_source_edge = []
path = dijkstra2(g, source[sr], terminal[sr], main_path_all)
main_path = path.get('path')
for i in range(0, len(main_path)):
main_path[i] = main_path[i].encode(CODEC)
main_path_all.append(main_path[i])
for f in range(0, len(main_path) - 3):
siwtch1 = int(main_path[f + 1][1])
siwtch2 = int(main_path[f + 2][1])
one_edge_order = main_path[f + 1] + main_path[f + 2]
if len(main_path[f + 1]) == 3:
siwtch1 = siwtch1 * 10 + int(main_path[f + 1][2])
if len(main_path[f + 1]) == 4:
siwtch1 = siwtch1 * 100 + int(main_path[f + 1][2]) * 10 + int(
main_path[f + 1][3])
if len(main_path[f + 2]) == 3:
siwtch2 = siwtch2 * 10 + int(main_path[f + 2][2])
if len(main_path[f + 2]) == 4:
siwtch2 = siwtch2 * 100 + int(main_path[f + 2][2]) * 10 + int(
main_path[f + 2][3])
if siwtch1 < siwtch2:
one_edge = main_path[f + 1] + main_path[f + 2]
one_edge1 = main_path[f + 2] + main_path[f + 1]
else:
one_edge = main_path[f + 2] + main_path[f + 1]
one_edge1 = main_path[f + 1] + main_path[f + 2]
if one_edge not in all_edge:
if one_edge1 not in all_edge:
all_edge.append(one_edge)
else:
one_edge = one_edge1
one_source_edge.append(one_edge)
one_source_edge_order.append(one_edge_order)
all_edge_alone.append(one_source_edge)
all_edge_alone_order.append(one_source_edge_order)
for f in range(0, len(main_path) - 2):
one_node = main_path[f + 1]
if one_node not in all_node:
all_node.append(one_node)
one_source_node.append(one_node)
all_node_alone.append(one_source_node)
one_source_node = []
one_source_edge = []
one_source_edge_order = []
path = dijkstra3(g, source[sr], terminal[sr], main_path_all)
main_path = path.get('path')
for i in range(0, len(main_path)):
main_path[i] = main_path[i].encode(CODEC)
main_path_all.append(main_path[i])
for f in range(0, len(main_path) - 3):
siwtch1 = int(main_path[f + 1][1])
siwtch2 = int(main_path[f + 2][1])
one_edge_order = main_path[f + 1] + main_path[f + 2]
if len(main_path[f + 1]) == 3:
siwtch1 = siwtch1 * 10 + int(main_path[f + 1][2])
if len(main_path[f + 1]) == 4:
siwtch1 = siwtch1 * 100 + int(main_path[f + 1][2]) * 10 + int(
main_path[f + 1][3])
if len(main_path[f + 2]) == 3:
siwtch2 = siwtch2 * 10 + int(main_path[f + 2][2])
if len(main_path[f + 2]) == 4:
siwtch2 = siwtch2 * 100 + int(main_path[f + 2][2]) * 10 + int(
main_path[f + 2][3])
if siwtch1 < siwtch2:
one_edge = main_path[f + 1] + main_path[f + 2]
one_edge1 = main_path[f + 2] + main_path[f + 1]
else:
one_edge = main_path[f + 2] + main_path[f + 1]
one_edge1 = main_path[f + 1] + main_path[f + 2]
if one_edge not in all_edge:
if one_edge1 not in all_edge:
all_edge.append(one_edge)
else:
one_edge = one_edge1
one_source_edge.append(one_edge)
one_source_edge_order.append(one_edge_order)
all_edge_alone.append(one_source_edge)
all_edge_alone_order.append(one_source_edge_order)
for f in range(0, len(main_path) - 2):
one_node = main_path[f + 1]
if one_node not in all_node:
all_node.append(one_node)
one_source_node.append(one_node)
all_node_alone.append(one_source_node)
weight[sr] = int(weight[sr])
for flow_traffic in range(1, 2):
alg0 = 0
alg1 = 0
alg2 = 0
alg3 = 0
for randome_time in range(0, 1):
for entries in range(31, 32): #300-4200
entries = entries * 10000
ce = 10000
#print entries
for alg in range(0, 1):
if alg == 0:
x_e = defaultdict(lambda: (defaultdict(lambda: (
defaultdict(lambda: None)))))
x_v = defaultdict(lambda: (defaultdict(lambda: (
defaultdict(lambda: None)))))
x = [
[0 for col in range(3)]
for row in range(flow_number)
] #3 is the number of path that each flow can choose
for i in range(0, flow_number):
for j in range(
0, 3
): #3 is the number of path that each flow can choose
x[i][j] = "x"
if flow_number < 100000:
if i < 10:
x[i][j] = x[i][j] + "0000"
elif i < 100:
x[i][j] = x[i][j] + "000"
elif i < 1000:
x[i][j] = x[i][j] + "00"
elif i < 10000:
x[i][j] = x[i][j] + "0"
x[i][j] = x[i][j] + str(i) + str(j)
z = []
for i in range(0, flow_number):
z.append("z" + str(i))
temp = []
for i in range(0, flow_number):
for j in range(
0, 3
): #3 si the number of path that each flow can choose
temp.append(x[i][j])
for i in range(0, flow_number):
temp.append(z[i])
prob = LpProblem('lptest', LpMinimize)
r = LpVariable('r', lowBound=0)
xx = LpVariable.dicts("", temp, lowBound=0, upBound=1)
prob += r
for i in range(0, flow_number):
prob += lpSum([xx[j] for j in x[i]]) == xx[z[
i]] #that means, x[i][0]+x[i][1]....+x[i][len(x[i])-1] = 1
prob += xx[z[i]] == 1
print "len(all_edge_alone)", len(all_edge_alone)
for i in range(0, len(all_edge_alone)):
for j in range(
0, len(all_edge_alone[i])
): #for example, all_edge_alone[i][j] = v1v2
length_x_e = len(x_e[all_edge_alone[i][j]])
#print "length_x_e",length_x_e,all_edge_alone[i],all_edge_alone[i][j],i,j
x_e[all_edge_alone[i][j]][length_x_e][0] = x[
i / 3][i % 3]
x_e[all_edge_alone[i]
[j]][length_x_e][1] = weight[i / 3]
print "222"
for h in all_edge:
prob += lpSum(x_e[h][i][1] * xx[x_e[h][i][0]]
for i in x_e[h]) <= ce * r
for i in range(0, len(all_node_alone)):
for j in range(0, len(all_node_alone[i])):
length_x_v = len(x_v[all_node_alone[i][j]])
if i % 3 == 0:
x_v[all_node_alone[i][j]][length_x_v][
1] = 0 #choose dijstra path do not need extra entries
x_v[all_node_alone[i]
[j]][length_x_v][0] = x[i / 3][i % 3]
else:
x_v[all_node_alone[i]
[j]][length_x_v][0] = x[i / 3][i % 3]
if j == len(all_node_alone[i]) - 1:
x_v[all_node_alone[i][j]][length_x_v][
1] = 0 #the last hop do not need extra entries
else:
x_v[all_node_alone[i]
[j]][length_x_v][1] = 1
print "333"
for v in all_node:
prob += lpSum(x_v[v][i][1] * xx[x_v[v][i][0]]
for i in x_v[v]) <= entries
GLPK().solve(prob)
print 'objective_sr =', value(prob.objective)
p1 = file_path + "/alg0.json"
fd = open(p1, 'w')
fd.write(json.dumps(value(prob.objective)))
fd.close()
i = 0
j = 0
l = 0
for v in prob.variables():
l = l + 1
if l < flow_number * 3 + 1: #(the number of flows /cdot 3) +1
x[i][j] = v.varValue
if j < 2:
j = j + 1
else:
i = i + 1
j = 0
lambda1 = 0
used_ce = defaultdict(lambda: None)
for e in all_edge:
used_ce[e] = 0
flows_add = {}
for i in range(0, flow_number):
k = 0
choose = 0
choosed_path = []
for j in range(0, 3):
if x[i][j] >= k:
choose = j
k = x[i][j]
for n in range(0,
len(all_edge_alone[3 * i +
choose])):
used_ce[all_edge_alone[3 * i + choose]
[n]] = used_ce[all_edge_alone[
3 * i + choose][n]] + weight[i]
if used_ce[all_edge_alone[3 * i + choose]
[n]] / float(ce) > lambda1:
lambda1 = used_ce[all_edge_alone[
3 * i + choose][n]] / float(ce)
choosed_path.append(source[i])
for j in range(0,
len(all_node_alone[3 * i +
choose])):
choosed_path.append(all_node_alone[3 * i +
choose][j])
choosed_path.append(terminal[i])
choosed_path.append(str(weight[i]))
fd = open(file_path + '/alg1_path_segment.txt',
'a')
fd.write(str(choosed_path) + '\n')
fd.close()
num_add_flow = 0
for key in range(
0,
len(all_edge_alone_order[3 * i + choose])):
if all_edge_alone_order[3 * i + choose][
key] not in all_edge_alone_order[3 *
i]:
#['v2v9', 'v9v7', 'v7v1']->['', '2', '9']['', '9', '7']['', '7', '1']
add_flow_key = str(all_edge_alone_order[
3 * i + choose][key]).split('s')
for num_i in range(0, 3):
add_flow_key[num_i] = 's' + str(
add_flow_key[num_i])
#print add_flow_key[1]
#If the node is not in the dictionary, vi=1, if the dictionary is in the dictionary, flows_add[vi] = flows_add[vi]+1
if add_flow_key[1] not in flows_add:
flows_add[add_flow_key[1]] = 1
else:
flows_add[add_flow_key[1]] = flows_add[
add_flow_key[1]] + 1
#print add_flow_key
#print "-------------->",all_node
for key_all in all_node:
if key_all not in flows_add:
flows_add[key_all] = 0
p11 = file_path + "/alg1_entries.json" # rounding
fd = open(p11, 'w')
fd.write(json.dumps(flows_add, indent=1))
fd.close()
alg1_max_entries = 0
for j in flows_add:
if alg1_max_entries < flows_add[j]:
alg1_max_entries = flows_add[j]
p11 = file_path + "/alg1_max_entries.json" # rounding
fd = open(p11, 'w')
fd.write(json.dumps(alg1_max_entries))
fd.close()
file_object = open(file_path +
'/alg1_path_segment.txt')
try:
data = file_object.read()
finally:
file_object.close()
print "data", data
data = data.replace("]", "],")
data_len = len(data) - 2
data = '[' + data[:data_len] + ']'
data_list = list(eval(data))
print "data_list", data_list, len(data_list)
stack = []
new_path = []
for i in range(0, len(data_list)):
if len(stack) == 0:
stack.append(data_list[i])
else:
if 'h' not in data_list[i][len(data_list[i]) -
2]:
stack.append(data_list[i])
else:
#If the last host is found, merge this link
this_path = []
for len_stack in range(0, len(stack)):
a = stack.pop()
this_path.append(a)
one_path = []
#print this_path
for t in range(0, len(this_path)):
index = len(this_path) - t - 1
#If it is the last list of this path, take the first four values
if index == (len(this_path) - 1):
for w in range(
0,
(len(this_path[index]) - 1)):
one_path.append(
this_path[index][w])
else:
for w in range(
1,
(len(this_path[index]) - 1)):
one_path.append(
this_path[index][w])
for w in range(1, len(data_list[i])):
one_path.append(data_list[i][w])
print "one_path", one_path
fd = open(file_path + '/alg1_path.txt',
'a')
fd.write(str(one_path) + '\n')
fd.close()
p1 = file_path + "/alg1_ce.json" #rounding
fd = open(p1, 'w')
alg1_ce = {}
for e in all_edge:
alg1_ce[e] = float(used_ce[e]) / float(ce)
fd.write(json.dumps(alg1_ce, indent=1))
fd.close()
print lambda1
p1 = file_path + "/alg1_lambda.json" #rounding
fd = open(p1, 'w')
fd.write(json.dumps(lambda1))
fd.close()
if alg == 2: #heuristic algorithm ,ospf need entries
used_ce = defaultdict(lambda: None)
used_entries = defaultdict(lambda: None)
for v in all_node:
used_entries[v] = 0
for e in all_edge:
used_ce[e] = 0
lambda1 = 0
temp2 = 0
for i in range(0, flow_number):
temp = [[0 for col in range(2)]
for row in range(3)]
for row in range(0, 3):
for col in range(0, 2):
temp[row][col] = 0
for j in range(0, 3):
for n in range(0,
len(all_node_alone[3 * i + j])):
if used_entries[all_node_alone[3 * i + j]
[n]] + 1 > entries * 10000:
temp[j][0] = 1
for n in range(0,
len(all_edge_alone[3 * i + j])):
if temp[j][1] < (used_ce[all_edge_alone[
3 * i + j][n]] +
weight[i]) / float(ce):
temp[j][1] = (used_ce[all_edge_alone[
3 * i + j][n]] +
weight[i]) / float(ce)
temp1 = 10000
k = 0 #Indicate which of several feasible paths is selected
for j in range(0, 3):
if temp[j][0] != 1:
if temp[j][
1] < temp1: #Select the feasible path that meets the flow table constraints and has the lightest load.
k = j
temp1 = temp[j][1]
for n in range(
0, len(all_edge_alone[3 * i + k])
): #Select one of the feasible paths (Article k), and use link capacity and flow entries.
used_ce[all_edge_alone[3 * i + k]
[n]] = used_ce[all_edge_alone[
3 * i + k][n]] + weight[i]
if used_ce[all_edge_alone[3 * i + k]
[n]] / float(ce) > lambda1:
lambda1 = used_ce[
all_edge_alone[3 * i + k][n]] / float(
ce) #Record the largest lambda
for n in range(0, len(all_node_alone[3 * i + k])):
used_entries[all_node_alone[
3 * i + k][n]] = used_entries[
all_node_alone[3 * i + k][n]] + 1
#print lambda1,all_edge_alone[3*i+k]
alg2_choosed_path = []
alg2_choosed_path.append(source[i])
for j in range(0, len(all_node_alone[3 * i + k])):
alg2_choosed_path.append(all_node_alone[3 * i +
k][j])
alg2_choosed_path.append(terminal[i])
alg2_choosed_path.append(weight[i])
fd = open(file_path + '/alg2_path_segment.txt',
'a')
fd.write(str(alg2_choosed_path) + '\n')
fd.close()
file_object = open(file_path +
'/alg2_path_segment.txt')
try:
data = file_object.read()
finally:
file_object.close()
data = data.replace("]", "],")
data_len = len(data) - 2
data = '[' + data[:data_len] + ']'
data_list = list(eval(data))
print data_list
stack = []
new_path = []
for i in range(0, len(data_list)):
if len(stack) == 0:
stack.append(data_list[i])
else:
if 'h' not in data_list[i][len(data_list[i]) -
2]:
stack.append(data_list[i])
else:
this_path = []
for len_stack in range(0, len(stack)):
a = stack.pop()
this_path.append(a)
one_path = []
print this_path
for t in range(0, len(this_path)):
index = len(this_path) - t - 1
if index == (len(this_path) - 1):
for w in range(
0,
(len(this_path[index]) - 1)):
one_path.append(
this_path[index][w])
else:
for w in range(
1,
(len(this_path[index]) - 1)):
one_path.append(
this_path[index][w])
for w in range(1, len(data_list[i])):
one_path.append(data_list[i][w])
print one_path
fd = open(file_path + '/alg2_path.txt',
'a')
fd.write(str(one_path) + '\n')
fd.close()
p1 = file_path + "/alg2_entries.json" #rounding
fd = open(p1, 'w')
fd.write(json.dumps(used_entries, indent=1))
fd.close()
p1 = file_path + "/alg2_ce.json" #rounding
fd = open(p1, 'w')
alg2_ce = {}
for e in all_edge:
alg2_ce[e] = float(used_ce[e]) / float(ce)
fd.write(json.dumps(alg2_ce, indent=1))
fd.close()
print "greedy", lambda1
p1 = file_path + "/alg2_lambda.json"
fd = open(p1, 'w')
fd.write(json.dumps(lambda1))
fd.write(json.dumps("/"))
fd.close()
alg2 = alg2 + lambda1
if alg == 3: #ospf
lambda1 = 0
used_ce = defaultdict(lambda: None)
used_entries = defaultdict(lambda: None)
for v in all_node:
used_entries[v] = 0
for e in all_edge:
used_ce[e] = 0
for i in range(0, flow_number):
for n in range(0, len(all_edge_alone[3 * i])):
#print n
used_ce[all_edge_alone[3 * i][n]] = used_ce[
all_edge_alone[3 * i][n]] + weight[i]
if used_ce[all_edge_alone[3 * i][n]] / float(
ce) > lambda1:
#print "hhhhh"
lambda1 = used_ce[all_edge_alone[3 * i]
[n]] / float(ce)
#print weight[i],source[i],terminal[i],lambda1,all_edge_alone[3*i+choose]
print "ospf", lambda1
p1 = file_path + "/alg3_lambda.json" #rounding
fd = open(p1, 'w')
fd.write(json.dumps(lambda1))
fd.write(json.dumps("/"))
fd.close()
alg3 = alg3 + lambda1
p1 = file_path + "/alg3_ce.json" #rounding
fd = open(p1, 'w')
alg3_ce = {}
for e in all_edge:
alg3_ce[e] = float(used_ce[e]) / float(ce)
fd.write(json.dumps(alg3_ce, indent=1))
fd.close()
print "Alg1 Finished"
def get_route_compare_algs(file_path):
all_node = []
all_node_alone = []
all_edge = []
all_edge_alone = []
all_edge_alone_order = []
one_edge = []
one_edge1 = []
one_edge_order = []
one_node = []
source = []
terminal = []
weight = []
flow_sfc = []
fd = file_path + '/SIMPLE_path.txt'
if os.path.exists(fd):
os.remove(fd)
fd = file_path + '/PDA_path.txt'
if os.path.exists(fd):
os.remove(fd)
k = 0
for line in open(file_path + "/flow_feasible_vnf.txt"):
flow_path = txt_wrap_by("'", "'", line, 0)
#
#print flow_path,flow_path[0]
flow_sfc.append(flow_path)
if k % 3 == 0:
source.append(flow_path[0])
terminal.append(flow_path[len(flow_path) - 2])
weight.append(flow_path[len(flow_path) - 1])
k = k + 1
print len(source), len(flow_sfc), k
flow_number = len(source)
print "flow_number", flow_number
for sr in range(0, flow_number):
if sr % 100 == 0:
print "source is ", sr, source[sr], terminal[sr]
main_path_all = []
one_source_edge = []
one_source_edge_order = []
one_source_node = []
main_path = []
for q in range(0, len(flow_sfc[3 * sr]) - 2):
#print "sfc",flow_sfc[3*sr][q+1]
path = dijkstra(g, str(flow_sfc[3 * sr][q]),
str(flow_sfc[3 * sr][q + 1]))
main_path_seg = path.get('path')
for i in range(0, len(main_path_seg)):
main_path_seg[i] = main_path_seg[i].encode(CODEC)
for i in range(0, len(main_path_seg) - 1):
main_path.append(main_path_seg[i])
if q == len(flow_sfc[3 * sr]) - 3:
main_path.append(main_path_seg[len(main_path_seg) - 1])
#print main_path
for i in range(0, len(main_path)):
main_path_all.append(main_path[i])
for f in range(0, len(main_path) - 3):
siwtch1 = int(main_path[f + 1][1])
siwtch2 = int(main_path[f + 2][1])
one_edge_order = main_path[f + 1] + main_path[f + 2]
if len(main_path[f + 1]) == 3:
siwtch1 = siwtch1 * 10 + int(main_path[f + 1][2])
if len(main_path[f + 1]) == 4:
siwtch1 = siwtch1 * 100 + int(main_path[f + 1][2]) * 10 + int(
main_path[f + 1][3])
if len(main_path[f + 2]) == 3:
siwtch2 = siwtch2 * 10 + int(main_path[f + 2][2])
if len(main_path[f + 2]) == 4:
siwtch2 = siwtch2 * 100 + int(main_path[f + 2][2]) * 10 + int(
main_path[f + 2][3])
if siwtch1 < siwtch2:
one_edge = main_path[f + 1] + main_path[f + 2]
one_edge1 = main_path[f + 2] + main_path[f + 1]
else:
one_edge = main_path[f + 2] + main_path[f + 1]
one_edge1 = main_path[f + 1] + main_path[f + 2]
if one_edge not in all_edge:
if one_edge1 not in all_edge:
all_edge.append(one_edge)
else:
one_edge = one_edge1
one_source_edge.append(one_edge)
one_source_edge_order.append(one_edge_order)
all_edge_alone.append(one_source_edge)
all_edge_alone_order.append(one_source_edge_order)
for f in range(0, len(main_path) - 2):
one_node = main_path[f + 1]
if one_node not in all_node:
all_node.append(one_node)
one_source_node.append(one_node)
all_node_alone.append(one_source_node)
# print all_node_alone,all_edge_alone,all_edge_alone_order
#sleep(600)
one_source_edge_order = []
one_source_node = []
one_source_edge = []
main_path = []
for q in range(0, len(flow_sfc[3 * sr + 1]) - 2):
#print "sfc",flow_sfc[3*sr+1][q+1]
path = dijkstra2(g, str(flow_sfc[3 * sr + 1][q]),
str(flow_sfc[3 * sr + 1][q + 1]), main_path_all)
main_path_seg = path.get('path')
for i in range(0, len(main_path_seg)):
main_path_seg[i] = main_path_seg[i].encode(CODEC)
for i in range(0, len(main_path_seg) - 1):
main_path.append(main_path_seg[i])
if q == len(flow_sfc[3 * sr + 1]) - 3:
main_path.append(main_path_seg[len(main_path_seg) - 1])
#print main_path
for i in range(0, len(main_path)):
main_path_all.append(main_path[i])
for f in range(0, len(main_path) - 3):
siwtch1 = int(main_path[f + 1][1])
siwtch2 = int(main_path[f + 2][1])
one_edge_order = main_path[f + 1] + main_path[f + 2]
if len(main_path[f + 1]) == 3:
siwtch1 = siwtch1 * 10 + int(main_path[f + 1][2])
if len(main_path[f + 1]) == 4:
siwtch1 = siwtch1 * 100 + int(main_path[f + 1][2]) * 10 + int(
main_path[f + 1][3])
if len(main_path[f + 2]) == 3:
siwtch2 = siwtch2 * 10 + int(main_path[f + 2][2])
if len(main_path[f + 2]) == 4:
siwtch2 = siwtch2 * 100 + int(main_path[f + 2][2]) * 10 + int(
main_path[f + 2][3])
if siwtch1 < siwtch2:
one_edge = main_path[f + 1] + main_path[f + 2]
one_edge1 = main_path[f + 2] + main_path[f + 1]
else:
one_edge = main_path[f + 2] + main_path[f + 1]
one_edge1 = main_path[f + 1] + main_path[f + 2]
if one_edge not in all_edge:
if one_edge1 not in all_edge:
all_edge.append(one_edge)
else:
one_edge = one_edge1
one_source_edge.append(one_edge)
one_source_edge_order.append(one_edge_order)
all_edge_alone.append(one_source_edge)
all_edge_alone_order.append(one_source_edge_order)
for f in range(0, len(main_path) - 2):
one_node = main_path[f + 1]
if one_node not in all_node:
all_node.append(one_node)
one_source_node.append(one_node)
all_node_alone.append(one_source_node)
one_source_node = []
one_source_edge = []
one_source_edge_order = []
main_path = []
for q in range(0, len(flow_sfc[3 * sr + 2]) - 2):
#print "sfc",flow_sfc[3*sr+2][q+1]
path = dijkstra3(g, str(flow_sfc[3 * sr + 2][q]),
str(flow_sfc[3 * sr + 2][q + 1]), main_path_all)
main_path_seg = path.get('path')
for i in range(0, len(main_path_seg)):
main_path_seg[i] = main_path_seg[i].encode(CODEC)
for i in range(0, len(main_path_seg) - 1):
main_path.append(main_path_seg[i])
if q == len(flow_sfc[3 * sr + 2]) - 3:
main_path.append(main_path_seg[len(main_path_seg) - 1])
#print main_path
for i in range(0, len(main_path)):
main_path_all.append(main_path[i])
for f in range(0, len(main_path) - 3):
siwtch1 = int(main_path[f + 1][1])
siwtch2 = int(main_path[f + 2][1])
one_edge_order = main_path[f + 1] + main_path[f + 2]
if len(main_path[f + 1]) == 3:
siwtch1 = siwtch1 * 10 + int(main_path[f + 1][2])
if len(main_path[f + 1]) == 4:
siwtch1 = siwtch1 * 100 + int(main_path[f + 1][2]) * 10 + int(
main_path[f + 1][3])
if len(main_path[f + 2]) == 3:
siwtch2 = siwtch2 * 10 + int(main_path[f + 2][2])
if len(main_path[f + 2]) == 4:
siwtch2 = siwtch2 * 100 + int(main_path[f + 2][2]) * 10 + int(
main_path[f + 2][3])
if siwtch1 < siwtch2:
one_edge = main_path[f + 1] + main_path[f + 2]
one_edge1 = main_path[f + 2] + main_path[f + 1]
else:
one_edge = main_path[f + 2] + main_path[f + 1]
one_edge1 = main_path[f + 1] + main_path[f + 2]
if one_edge not in all_edge:
if one_edge1 not in all_edge:
all_edge.append(one_edge)
else:
one_edge = one_edge1
one_source_edge.append(one_edge)
one_source_edge_order.append(one_edge_order)
all_edge_alone.append(one_source_edge)
all_edge_alone_order.append(one_source_edge_order)
for f in range(0, len(main_path) - 2):
one_node = main_path[f + 1]
if one_node not in all_node:
all_node.append(one_node)
one_source_node.append(one_node)
all_node_alone.append(one_source_node)
#print all_node_alone
#print all_edge_alone_order
weight[sr] = int(weight[sr])
for flow_traffic in range(1, 2):
for randome_time in range(0, 1):
for entries in range(31, 32): #300-4200
entries = entries * 10000
ce = 10000
#print entries
for alg in range(0, 10):
if alg == 2: #SIMPLE alg, linke load balancing
used_ce = defaultdict(lambda: None)
used_entries = defaultdict(lambda: None)
for v in all_node:
used_entries[v] = 0
for e in all_edge:
used_ce[e] = 0
lambda1 = 0
max_entries = 0
temp2 = 0
for i in range(0, flow_number):
temp = [[0 for col in range(2)]
for row in range(3)]
for row in range(0, 3):
for col in range(0, 2):
temp[row][col] = 0
for j in range(0, 3):
for n in range(0,
len(all_edge_alone[3 * i + j])):
q = 0
for m in range(
0, len(all_edge_alone[3 * i + j])):
if all_edge_alone[
3 * i +
j][n] == all_edge_alone[3 * i +
j][m]:
q = q + 1
if temp[j][1] < (used_ce[all_edge_alone[
3 * i + j][n]] + q *
weight[i]) / float(ce):
temp[j][1] = (
used_ce[all_edge_alone[3 * i +
j][n]] +
q * weight[i]) / float(ce)
temp1 = 1000000
k = 0 #Indicate which of several feasible paths is selected
for j in range(0, 3):
if temp[j][
1] < temp1: #Select the feasible path that meets the flow table constraints and has the lightest load.
k = j
temp1 = temp[j][1]
for n in range(
0, len(all_edge_alone[3 * i + k])
): #Select one of the feasible paths (Article k), and use link capacity and flow entries.
used_ce[all_edge_alone[3 * i + k]
[n]] = used_ce[all_edge_alone[
3 * i + k][n]] + weight[i]
for n in range(0, len(all_node_alone[3 * i + k])):
used_entries[all_node_alone[
3 * i + k][n]] = used_entries[
all_node_alone[3 * i + k][n]] + 1
alg2_choosed_path = []
alg2_choosed_path.append(source[i])
for j in range(0, len(all_node_alone[3 * i + k])):
alg2_choosed_path.append(all_node_alone[3 * i +
k][j])
alg2_choosed_path.append(terminal[i])
alg2_choosed_path.append(weight[i])
fd = open(file_path + '/SIMPLE_path.txt', 'a')
fd.write(str(alg2_choosed_path) + '\n')
fd.close()
alg2_entries = {}
for j in used_entries:
if 's' in str(j):
alg2_entries[j] = used_entries[j]
if max_entries < used_entries[j]:
max_entries = used_entries[j]
p1 = file_path + "/SIMPLE_entries.json" #rounding
fd = open(p1, 'w')
fd.write(json.dumps(alg2_entries, indent=1))
fd.close()
p1 = file_path + "/SIMPLE_ce.json" #rounding
p2 = file_path + "/SIMPLE_NF_load.json" # rounding
fd1 = open(p1, 'w')
fd2 = open(p2, 'w')
alg2_ce_link = {}
alg2_ce_middlebox = {}
for e in all_edge:
isMark = 0
#Link load and midllebox load
for key in capacity:
if key in e:
alg2_ce_middlebox[key] = float(
used_ce[e]
) / 2 #eg, path: s4-F2-s4. ce(F2s4)= double, but load(F2) = single
isMark = 1
if isMark == 0:
alg2_ce_link[e] = float(used_ce[e]) / float(ce)
fd1.write(json.dumps(alg2_ce_link, indent=1))
fd1.close()
fd2.write(json.dumps(alg2_ce_middlebox, indent=1))
fd2.close()
lambda1 = 0
for j in alg2_ce_link:
if lambda1 < alg2_ce_link[j]:
lambda1 = alg2_ce_link[j]
SIMPLE_max_NF = 0
for j in alg2_ce_middlebox:
if SIMPLE_max_NF < alg2_ce_middlebox[j]:
SIMPLE_max_NF = alg2_ce_middlebox[j]
print "SIMPLE", lambda1, max_entries
p1 = file_path + "/SIMPLE_lambda.json"
fd = open(p1, 'w')
fd.write(json.dumps(lambda1))
fd.close()
p1 = file_path + "/SIMPLE_max_entries.json"
fd = open(p1, 'w')
fd.write(json.dumps(max_entries))
fd.close()
p1 = file_path + "/SIMPLE_max_NF.json"
fd = open(p1, 'w')
fd.write(json.dumps(SIMPLE_max_NF))
fd.close()
if alg == 3: #PDA alg
used_ce = defaultdict(lambda: None)
used_entries = defaultdict(lambda: None)
for v in all_node:
used_entries[v] = 0
for e in all_edge:
used_ce[e] = 0
lambda1 = 0
max_entries = 0
temp2 = 0
for i in range(0, flow_number):
temp = [[0 for col in range(2)]
for row in range(3)]
for row in range(0, 3):
for col in range(0, 2):
temp[row][col] = 0
for j in range(0, 3):
for n in range(0,
len(all_node_alone[3 * i + j])):
q = 0
for m in range(
0, len(all_node_alone[3 * i + j])):
if all_node_alone[
3 * i +
j][n] == all_node_alone[3 * i +
j][m]:
q = q + 1
if temp[j][1] < used_entries[
all_node_alone[3 * i + j][n]] + q:
temp[j][1] = used_entries[
all_node_alone[3 * i + j][n]] + q
temp1 = 10000000
k = 0 #Indicate which of several feasible paths is selected
for j in range(0, 3):
if temp[j][
1] < temp1: #Select the feasible path that meets the flow table constraints and has the lightest load.
k = j
temp1 = temp[j][1]
for n in range(
0, len(all_edge_alone[3 * i + k])
): #Select one of the feasible paths (Article k), and use link capacity and flow entries.
used_ce[all_edge_alone[3 * i + k]
[n]] = used_ce[all_edge_alone[
3 * i + k][n]] + weight[i]
#if used_ce[all_edge_alone[3*i+k][n]]/float(ce) > lambda1:
#lambda1 = used_ce[all_edge_alone[3*i+k][n]]/float(ce) #Record the largest lambda
for n in range(0, len(all_node_alone[3 * i + k])):
used_entries[all_node_alone[
3 * i + k][n]] = used_entries[
all_node_alone[3 * i + k][n]] + 1
alg3_choosed_path = []
alg3_choosed_path.append(source[i])
for j in range(0, len(all_node_alone[3 * i + k])):
alg3_choosed_path.append(all_node_alone[3 * i +
k][j])
alg3_choosed_path.append(terminal[i])
alg3_choosed_path.append(weight[i])
fd = open(file_path + '/PDA_path.txt', 'a')
fd.write(str(alg3_choosed_path) + '\n')
fd.close()
print "PDA_used_ce", used_ce["s3F3"], used_ce[
"F3s3"], used_ce["s1s3"], used_ce["s3s1"], all_edge
alg3_entries = {}
for j in used_entries:
if 's' in str(j):
alg3_entries[j] = used_entries[j]
if max_entries < used_entries[j]:
max_entries = used_entries[j]
p1 = file_path + "/PDA_entries.json" #rounding
fd = open(p1, 'w')
fd.write(json.dumps(alg3_entries, indent=1))
fd.close()
p1 = file_path + "/PDA_ce.json" #rounding
p2 = file_path + "/PDA_NF_load.json" # rounding
fd1 = open(p1, 'w')
fd2 = open(p2, 'w')
alg3_ce_link = {}
alg3_ce_middlebox = {}
for e in all_edge:
isMark = 0
#Link load and midllebox load
for key in capacity:
if key in e:
alg3_ce_middlebox[key] = float(
used_ce[e]) / 2
isMark = 1
if isMark == 0:
alg3_ce_link[e] = float(used_ce[e]) / float(ce)
fd1.write(json.dumps(alg3_ce_link, indent=1))
fd1.close()
fd2.write(json.dumps(alg3_ce_middlebox, indent=1))
fd2.close()
lambda1 = 0
for j in alg3_ce_link:
if lambda1 < alg3_ce_link[j]:
lambda1 = alg3_ce_link[j]
PDA_max_NF = 0
for j in alg3_ce_middlebox:
if PDA_max_NF < alg3_ce_middlebox[j]:
PDA_max_NF = alg3_ce_middlebox[j]
print "PDA", lambda1, max_entries
p1 = file_path + "/PDA_lambda.json"
fd = open(p1, 'w')
fd.write(json.dumps(lambda1))
fd.close()
p1 = file_path + "/PDA_max_entries.json"
fd = open(p1, 'w')
fd.write(json.dumps(max_entries))
fd.close()
p1 = file_path + "/PDA_max_NF.json"
fd = open(p1, 'w')
fd.write(json.dumps(PDA_max_NF))
fd.close()
print "Compare_algs Finished"