def sim_weighted_random(n,latencies,traces,outfiles,weights,alphas):
print "Simulating Weighted Random multi-path scheme... alphas:", alphas
traces_file = natsorted(glob.glob(traces[0]+'/*.cell'))
for instance_file in traces_file:
instance = open(instance_file,'r')
instance = instance.read().split('\n')[:-1]
w_out = multipath.getWeights(n,alphas)
w_in = multipath.getWeights(n,alphas)
# Get n circuits latencies as a multipath virtual structure of the same client for this instance
mplatencies = getCircuitLatencies(latencies, n) # it is a list of list of latencies for each of m circuits. length = m
# for each instance I need to create a new randomly created weights vector
routes_server = []
routes_client = []
last_client_route = np.random.choice(np.arange(0,n),p = w_out)
last_server_route = np.random.choice(np.arange(0,n),p = w_in)
routes = []
for i in xrange(0,len(instance)):
packet = instance[i]
packet = packet.replace(' ','\t') #For compatibility when data is space sperated not tab separated
direction = multipath.getDirfromPacket(packet)
if (direction == 1):
routes_server.append(-1) # Just to know that for this packet the exit does not decide the r$
last_client_route = np.random.choice(np.arange(0,n),p = w_out)
routes_client.append(last_client_route)
if (direction == -1):
routes_client.append(-1) # Just to know that for this packet the client does not decide the$
last_server_route = np.random.choice(np.arange(0,n),p = w_in)
routes_server.append(last_server_route)
routes = multipath.joingClientServerRoutes(routes_client,routes_server)
##### Routes Created, next to the multipath simulation
new_instance = multipath.simulate(instance,mplatencies,routes) # Simulate the multipath effect for the give$
saveInFile2(instance_file,new_instance,routes,outfiles)
def sim_bwr_blocked(n,latencies,traces,outfiles,range_):
print "Simulating BWR multi-path scheme blocking last selected route..."
print traces
traces_file = natsorted(glob.glob(traces[0]+'/*.cell'))
ranlow = int(range_.split(',')[0])
ranhigh = int(range_.split(',')[1])
for instance_file in traces_file:
w_out = multipath.getWeights(n)
w_in = multipath.getWeights(n)
instance = open(instance_file,'r')
instance = instance.read().split('\n')[:-1]
mplatencies = getCircuitLatencies(latencies, n) # it is a list of list of latencies for each of m circuits. length = m
routes_client = []
routes_server = []
sent_incomming = 0
sent_outgoing = 0
last_client_route = np.random.choice(np.arange(0,n),p = w_out)
last_server_route = np.random.choice(np.arange(0,n),p = w_in)
for i in xrange(0,len(instance)):
packet = instance[i]
packet = packet.replace(' ','\t') #For compatibility when data is space sperated not tab separated
direction = multipath.getDirfromPacket(packet)
if (direction == 1):
routes_server.append(-1) # Just to know that for this packet the exit does not decide the route
sent_outgoing += 1
C = random.randint(ranlow,ranhigh) #After how many cells the scheduler sets new weights
routes_client.append(last_client_route)
if (sent_outgoing % C == 0): #After C cells are sent, change the circuits
while(1):
client_route = np.random.choice(np.arange(0,n),p = w_out)
if (client_route != last_client_route):
last_client_route = client_route
break # In this way, we block the possibility of choosing the same circuit previously chosen
if (direction == -1):
routes_client.append(-1) # Just to know that for this packet the client does not decide the route
routes_server.append(last_server_route)
sent_incomming += 1
C = random.randint(ranlow,ranhigh) #After how many cells the scheduler sets new weights
if (sent_incomming % C == 0): #After C cells are sent, change the circuits
while(1):
server_route = np.random.choice(np.arange(0,n),p = w_in)
if (server_route != last_server_route):
last_server_route = server_route
break # In this way, we block the possibility of choosing the same circuit previously chosen
routes = multipath.joingClientServerRoutes(routes_client,routes_server)
##### Routes Created, next to the multipath simulation
new_instance = multipath.simulate(instance,mplatencies,routes) # Simulate the multipath effect for the given latencies and routes
saveInFile2(instance_file,new_instance,routes,outfiles)
def sim_bwr_var_paths(n,nmin,latencies,traces,outfiles,range_, alphas):
print "Simulating bwr with variable number of paths", nmin, n
traces_file = natsorted(glob.glob(traces[0]+'/*.cell'))
ranlow = int(range_.split(',')[0])
ranhigh = int(range_.split(',')[1])
for instance_file in traces_file:
## First lets choose the number of circuits randomly
n_random = random.randint(nmin,n)
alphas = np.ones(n_random)
alphas = alphas.astype(str)
alphas = ','.join(alphas)
w_out = multipath.getWeights(n_random, alphas)
w_in = multipath.getWeights(n_random, alphas)
instance = open(instance_file,'r')
instance = instance.read().split('\n')[:-1]
mplatencies = getCircuitLatencies(latencies, n_random)
routes_client = []
routes_server = []
sent_incomming = 0
sent_outgoing = 0
last_client_route = np.random.choice(np.arange(0,n_random),p = w_out)
last_server_route = np.random.choice(np.arange(0,n_random),p = w_in)
#C = random.randint(ranlow,ranhigh) #After how many cells the scheduler sets new weights
for i in xrange(0,len(instance)):
packet = instance[i]
packet = packet.replace(' ','\t') #For compatibility when data is space sperated not tab separated
direction = multipath.getDirfromPacket(packet)
if (direction == 1):
routes_server.append(-1) # Just to know that for this packet the exit does not decide the r$
sent_outgoing += 1
C = random.randint(ranlow,ranhigh) #After how many cells the scheduler sets new weights
routes_client.append(last_client_route)
if (sent_outgoing % C == 0): #After C cells are sent, change the circuits
last_client_route = np.random.choice(np.arange(0,n_random),p = w_out)
if (direction == -1):
routes_client.append(-1) # Just to know that for this packet the client does not decide the$
routes_server.append(last_server_route)
sent_incomming += 1
C = random.randint(ranlow,ranhigh) #After how many cells the scheduler sets new weights
if (sent_incomming % C == 0): #After C cells are sent, change the circuits
last_server_route = np.random.choice(np.arange(0,n_random),p = w_in)
routes = multipath.joingClientServerRoutes(routes_client,routes_server)
#### Routes Created, next to the multipath simulation
new_instance = multipath.simulate(instance,mplatencies,routes) # Simulate the multipath effect for the give$
saveInFile2(instance_file,new_instance,routes,outfiles)
def sim_bwr_var_paths_strict(n,nmin,latencies,traces,outfiles,range_):
## Take the dataset and do: m=2 to 20%, m=3 to 20%, m=4 to 20% and m=5 to 20% of the whole dataset.
## It means that e.g., BWR2-5 Strict has almost 20% of instances split into two parts, 20% into three and so on
## BWR 4-5 Strict schould have 50/50 % to m=4 and m=5. However, experimentally we obtained couple of dozens of samples divided into m=2, and m=3.
print "Simulating bwr with variable number of paths strict to avoid less than nmin Cmax and Cmind should be reduced to 15-20"
traces_file = natsorted(glob.glob(traces[0]+'/*.cell'))
ranlow = int(range_.split(',')[0])
ranhigh = int(range_.split(',')[1])
number_of_traces = len(traces_file)
#print number_of_traces, n, nmin
chunks_dataset = 100 / (n - nmin + 1)
n_sel = []
#print chunks_dataset
for i in range(nmin,n+1):
n_sel.extend([i] * chunks_dataset)
#print n_sel, len(n_sel)
#print n_sel
kk = 0
for instance_file in traces_file:
## First lets choose the number of circuits randomly
#print instance_file, "divided into",
n_random = n_sel[kk%len(n_sel)]
kk += 1
#print n_random, instance_file
w_out = multipath.getWeights(n_random)
w_in = multipath.getWeights(n_random)
instance = open(instance_file,'r')
instance = instance.read().split('\n')[:-1]
mplatencies = getCircuitLatencies(latencies, n_random)
routes_client = []
routes_server = []
sent_incomming = 0
sent_outgoing = 0
last_client_route = np.random.choice(np.arange(0,n_random),p = w_out)
last_server_route = np.random.choice(np.arange(0,n_random),p = w_in)
#C = random.randint(ranlow,ranhigh) #After how many cells the scheduler sets new weights
for i in xrange(0,len(instance)):
packet = instance[i]
packet = packet.replace(' ','\t') #For compatibility when data is space sperated not tab separated
direction = multipath.getDirfromPacket(packet)
if (direction == 1):
routes_server.append(-1) # Just to know that for this packet the exit does not decide the r$
sent_outgoing += 1
C = random.randint(ranlow,ranhigh) #After how many cells the scheduler sets new weights
routes_client.append(last_client_route)
if (sent_outgoing % C == 0): #After C cells are sent, change the circuits
while(1):
client_route = np.random.choice(np.arange(0,n_random),p = w_out)
if (client_route != last_client_route):
last_client_route = client_route
break # In this way, we block the possibility of choosing the same circuit previously chosen
if (direction == -1):
routes_client.append(-1) # Just to know that for this packet the client does not decide the$
routes_server.append(last_server_route)
sent_incomming += 1
C = random.randint(ranlow,ranhigh) #After how many cells the scheduler sets new weights
if (sent_incomming % C == 0): #After C cells are sent, change the circuits
while(1):
server_route = np.random.choice(np.arange(0,n_random),p = w_in)
if (server_route != last_server_route):
last_server_route = server_route
break # In this way, we block the possibility of choosing the same circuit previously chosen
routes = multipath.joingClientServerRoutes(routes_client,routes_server)
#### Routes Created, next to the multipath simulation
new_instance = multipath.simulate(instance,mplatencies,routes) # Simulate the multipath effect for the give$
saveInFile2(instance_file,new_instance,routes,outfiles)