def example2():
nodes_h = {}
tcpconf = ('tcp', ('127.0.0.1', 1234))
host = init_host(tcpconf)
t1 = time()
# Create and initialize nodes
for i in range(100):
nodes_h[i] = host.spawn_id(str(id()), 'chord_protocol', 'Node', [])
nodes_h[i].init_node()
for i in range(len(nodes_h)):
j = 0 if i is 0 else i-1
try:
nodes_h[i].join(nodes_h[j])
except:
print 'Node %s fails' % str(i)
else:
interval_host(host, 0.5, update, nodes_h[i])
t2 = time()
print 'Time to create 100 nodes'
print t2 - t1
# Wait to give time to chord to fix its tables.
# Note that if we use the class chord_improved we will need less time to fix the node tables.
sleep(30)
key = hash('pedro')
print key
found = nodes_h[0].find_predecessor(key)
print found.get_id()
def example1():
nodes = [1,8,14,21,32,38,42,48,51,56]
nodes_h = {}
tcpconf = ('tcp', ('127.0.0.1', 1234))
host = init_host(tcpconf)
# Create and initialize nodes
for i in range(len(nodes)):
nodes_h[i] = host.spawn_id(str(nodes[i]), 'chord_protocol', 'Node', [])
nodes_h[i].init_node()
for i in range(len(nodes)):
j = 0 if i is 0 else i-1
try:
nodes_h[i].join(nodes_h[j])
except:
print 'Node %s fails' % str(i)
else:
interval_host(host, 0.5, update, nodes_h[i])
# Wait to give time to chord to fix its tables.
sleep(5)
found = nodes_h[0].find_successor(40)
print 'found', found.get_id()
def test():
host = init_host()
e1 = host.spawn_id('1', 'actor5c', 'Echo', [])
bot = host.spawn_id('1', 'actor5c', 'Bot', [])
bot.set_channel()
bot.insult()
sleep(4)
def testN():
net_conf = ('tcp',('127.0.0.1',6664))
host = init_host(net_conf)
print 'TEST ',NUM_NODES,' nodes and', NUM_MSGS, "messages."
nf = host.spawn_id('init', 'ring3','Node',['nf'])
ni = nf;
for i in range (NUM_NODES-2):
ni = host.spawn_id(str(i), 'ring3','Node',[('n',i),ni])
n1 = host.spawn_id('end','ring3','Node',['n1',ni])
nf.set_next(n1)
print 'start time!!'
init = time()
nf.init_token()
while(not n1.is_finished()):
sleep(0.01)
end = time()
print ((end - init)*1000),' ms.'
def test_log():
host = init_host()
log = host.spawn_id('log', 'log', 'Log', [])
host.set_tracer(log)
ref = host.spawn_id('1', 'log', 'Server', [])
ref.substract(6, 5)
print ref.add(5, 5)
sleep(1)
def serve_forever(func, params=[]):
threads[current_thread()] = 'atom://localhost/'+func.__module__+'/'+func.__name__
func(*params)
signal.signal(signal.SIGINT, signal_handler)
print 'Press Ctrl+C to kill the execution'
while True:
controller.sleep(1)
def launch(func, params=[]):
t1 = Thread(target=func, args=params)
threads[t1] = 'atom://localhost/'+func.__module__+'/'+func.__name__
t1.start()
t1.join()
controller.sleep(2)
host = controller.get_host()
host._shutdown()
def test_log():
host = init_host()
log = host.spawn_id('log', 'log','Log',[])
host.set_tracer(log)
ref = host.spawn_id('1','log','Server',[])
ref.substract(6,5)
print ref.add(5,5)
sleep(1)
def test1(test):
n2 = test.host.spawn_id('0', 'ring', 'Node', ['n2'])
n1 = test.host.spawn_id('1', 'ring', 'Node', ['n1', n2])
n3 = test.host.spawn_id('2', 'ring', 'Node', ['n3', n2])
n1.start()
n3.start()
sleep(0.5)
cnt = n2.get_cnt()
test.assertEqual(cnt, 200, "testing load oneway")
def test1():
host = init_host()
n2 = host.spawn_id('2','test_sync_parallel','Server',[])
n1 = host.spawn_id('3','test_sync_parallel','Server',[n2])
n3 = host.spawn_id('4','test_sync_parallel','Server',[n2])
n1.start()
sleep(1)
n3.start2()
sleep(15)
def test1(test):
n2 = test.host.spawn_id('0','ring','Node',['n2'])
n1 = test.host.spawn_id('1','ring','Node',['n1',n2])
n3 = test.host.spawn_id('2','ring','Node',['n3',n2])
n1.start()
n3.start()
sleep(0.5)
cnt = n2.get_cnt()
test.assertEqual(cnt, 200, "testing load oneway")
def test1():
host = init_host()
n2 = host.spawn_id('2','parallel1','Node',['n2'])
n1 = host.spawn_id('1','parallel1','Node',['n1',n2])
n3 = host.spawn_id('3','parallel1','Node',['n3',n1])
n1.start()
sleep(2)
n3.start_n3()
sleep(15)
def test():
host = init_host()
e1 = host.spawn_id('1', 'actor4', 'Echo', [])
bot = host.spawn_id('1', 'actor4', 'Bot', [e1])
bot.insult()
sleep(4)
def client_test():
tcpconf = ('tcp',('127.0.0.1',4324))
host = init_host(tcpconf)
e1 = host.lookup('tcp://127.0.0.1:1237/actor2/Echo/1')
e1.echo('hola amigo')
e1.echo('adeu')
sleep(1)
def test1(test):
n3 = test.host.spawn_id('0', 'ring2', 'Node', ['n3'])
n2 = test.host.spawn_id('1', 'ring2', 'Node', ['n2', n3])
n1 = test.host.spawn_id('2', 'ring2', 'Node', ['n1', n2])
n3.set_next(n1)
n1.init_token()
sleep(0.5)
cnt = n3.get_cnt()
test.assertEqual(cnt, 1, "testing message loop")
def test1(test):
n3 = test.host.spawn_id('0','ring2','Node',['n3'])
n2 = test.host.spawn_id('1','ring2','Node',['n2',n3])
n1 = test.host.spawn_id('2','ring2','Node',['n1',n2])
n3.set_next(n1)
n1.init_token()
sleep(0.5)
cnt = n3.get_cnt()
test.assertEqual(cnt, 1, "testing message loop")
def push_data(self,inf,index,on,cont,lamport,index_server): if(self.id==1): # delay de 1 segon al server 1 sleep(1) print 'Informacio streetlight ' + str(index+1) +': ' + str(inf) # feedback self.opcio=3 self.inf[index]=inf self.cont[index]=cont if (int(self.inf[index])==1): # si tenim un "1" posa contador a 0 self.cont[index]=0 if (on==False): # si teniem Streetlight tancat, obre self.opcio=1 else: self.cont[index]=self.cont[index]+1 # si tenim un "0" augmenta contador if (self.cont[index]==4): # si tenim 4 "0" if(on==True): # si el Streetlight esta obert, tanca self.opcio=0 self.cont[index]=0 for i in self.database: if(i.vote(lamport,index)==True): # contem quantes databases estan a favor del commit self.cont_commit+=1 if (self.cont_commit==len(self.database)): # mirem si totes les database estan a favor self.cont_commit=0 #print "commit" for i in self.database: i.commit(lamport,index) # indiquem a les databases que el commit es realitzara i que actualitzin el seu lamport clock print "Lamport "+str(lamport)+" de Streetlight "+str(index+1)+" commited" self.queue.switch(self.opcio,index,self.cont[index]) # canviem estat segons opcio else: print "Lamport "+str(lamport)+ " Streetlight "+str(index+1)+ " aborted" for i in self.database: i.abort(lamport) # indica a les databases que el commit no es realitzara sleep(1) self.queue.send(self.inf[index],index,on,cont,lamport) # reenvia dada a la cua
def test_2pc_bad():
host = init_host()
coord = host.spawn_id('5','2pc_multi','Coordinator',[])
cohort1 = host.spawn_id('1','2pc_multi','GoodCohort',[coord])
cohort2 = host.spawn_id('2','2pc_multi','BadCohort',[coord])
cohort3 = host.spawn_id('3','2pc_multi','GoodCohort',[coord])
cohort4 = host.spawn_id('4','2pc_multi','BadCohort',[coord])
coord.set_cohorts([cohort1, cohort2, cohort3, cohort4])
coord.commit()
sleep(1)
def test():
host = init_host()
f1 = host.spawn_id('1', 'actor9', 'File', [])
web = host.spawn_id('1', 'actor9', 'Web', [])
web.remote_server(f1)
load = host.spawn_id('1', 'actor9', 'Workload', [])
load.remote_server(web)
load2 = host.spawn_id('2', 'actor9', 'Workload', [])
load2.remote_server(web)
load.launch()
load2.download()
sleep(10)
def test():
host = init_host()
# parameters 1 = 'id', 'test_sync' = module name, 'Server' = class name
f1 = host.spawn_id('1', 'actor8', 'File', [])
web = host.spawn_id('1', 'actor8', 'Web', [])
web.remote_server(f1)
load = host.spawn_id('1', 'actor8', 'Workload', [])
load.remote_server(web)
load2 = host.spawn_id('2', 'actor8', 'Workload', [])
load2.remote_server(web)
load.launch()
load2.download()
sleep(10)
def test_2pc():
host = init_host()
#log = host.spawn('loguml','LogUML',[])
#host.set_tracer(log)
coord = host.spawn_id('5', '2pc_multi','Coordinator',[])
cohort1 = host.spawn_id('1', '2pc_multi','GoodCohort',[coord])
cohort2 = host.spawn_id('2', '2pc_multi','GoodCohort',[coord])
cohort3 = host.spawn_id('3', '2pc_multi','GoodCohort',[coord])
cohort4 = host.spawn_id('4', '2pc_multi','GoodCohort',[coord])
coord.set_cohorts([cohort1, cohort2, cohort3, cohort4])
coord.commit()
print 'hola que tal!'
sleep(1)
def test3():
host = init_host(('tcp', ('127.0.0.1', 4346)))
aref = 'tcp://127.0.0.1:1234/s1/Server/0'
ref = host.lookup(aref)
ref.substract(34, 2)
ref.add(6, 8)
for i in range(3):
s = ref.add(56, 4)
print s, 'ok'
sleep(1)
try:
ref.wait_a_lot()
except TimeoutError:
print 'correct timeout'
sleep(3)
host.shutdown()
def testN(test):
nf = test.host.spawn_id('3','ring2','Node',['nf'])
ni = nf;
for i in range (10):
ni = test.host.spawn_id(str(i + 4),'ring2','Node',[('n',i+4),ni])
n1 = test.host.spawn_id('16','ring2','Node',['n1',ni])
nf.set_next(n1)
n1.init_token()
sleep(0.5)
cnt = nf.get_cnt()
test.assertEqual(cnt, 1, "testing message loop")
def testN(test):
nf = test.host.spawn_id('3', 'ring2', 'Node', ['nf'])
ni = nf
for i in range(10):
ni = test.host.spawn_id(str(i + 4), 'ring2', 'Node',
[('n', i + 4), ni])
n1 = test.host.spawn_id('16', 'ring2', 'Node', ['n1', ni])
nf.set_next(n1)
n1.init_token()
sleep(0.5)
cnt = nf.get_cnt()
test.assertEqual(cnt, 1, "testing message loop")
def test3():
host = init_host(('tcp',('127.0.0.1',4346)))
aref = 'tcp://127.0.0.1:1234/s1/Server/0'
ref = host.lookup(aref)
ref.substract(34,2)
ref.add(6,8)
for i in range(3):
s = ref.add(56,4)
print s,'ok'
sleep(1)
try:
ref.wait_a_lot()
except TimeoutError:
print 'correct timeout'
sleep(3)
host.shutdown()
def test():
lP = []
lA = []
lL = []
host = init_host()
log = host.spawn_id('log', 'mpaxos_main', 'LogUML', [])
host.set_tracer(log)
interval(1, save_log, log)
for i in range(0, N_SERVERS):
l = host.spawn_id(str(i), 'multi_paxos', 'Server',[N_SERVERS])
lL.append(l)
for i in range(0, N_SERVERS):
if i == 0:
lL[i].set_multi(lL[1:])
else:
lL[i].set_multi(lL[:i] + lL[i+1:])
interval(2, update, lL[i])
lL[N_SERVERS - 1].set_leader()
for i in range(0,N_SERVERS):
num = int(random.random() * 100)
print i, num
lL[i].set_proposal(num)
print lL[N_SERVERS - 1].set_proposal(int(random.random() * 100))
print lL[N_SERVERS - 1].set_proposal(int(random.random() * 100))
print lL[N_SERVERS - 1].set_proposal(int(random.random() * 100))
print lL[N_SERVERS - 1].set_proposal(int(random.random() * 100))
# lP[0].set_multi([lA[0], lA[1],lA[2]])
# lP[1].set_multi([lA[2], lA[3],lA[4]])
# lP[2].set_multi([lA[0], lA[1],lA[2]])
# lP[3].set_multi([lA[2], lA[3],lA[4]])
# p = AMulti(lP)
# p.prepare()
print lL[0].prepare()
print lL[1].prepare()
print lL[2].prepare()
print lL[N_SERVERS - 1].prepare()
sleep(5)
lL[N_SERVERS - 1].set_proposal(num)
print lL[N_SERVERS - 1].prepare()
def test_2pc_bad():
host = init_host()
coord = host.spawn('2pc_multi','Coordinator',[])
cohort1 = host.spawn('2pc_multi','GoodCohort',[coord,'1'])
cohort2 = host.spawn('2pc_multi','BadCohort',[coord,'2'])
cohort3 = host.spawn('2pc_multi','GoodCohort',[coord,'3'])
cohort4 = host.spawn('2pc_multi','BadCohort',[coord,'4'])
group = host.spawn_id('2pc_bad','atom.multi','Multi',[])
#print group.aref,group.members()
group.join(cohort1)
group.join(cohort2)
group.join(cohort3)
coord.set_cohort(group.join(cohort4))
coord.commit()
sleep(0.5)
def test_2pc():
host = init_host()
#log = host.spawn('loguml','LogUML',[])
#host.set_tracer(log)
coord = host.spawn_id('5', '2pc_multi','Coordinator',[])
cohort1 = host.spawn_id('1', '2pc_multi','GoodCohort',[coord,'1'])
cohort2 = host.spawn_id('2', '2pc_multi','GoodCohort',[coord,'2'])
cohort3 = host.spawn_id('3', '2pc_multi','GoodCohort',[coord,'3'])
cohort4 = host.spawn_id('4', '2pc_multi','GoodCohort',[coord,'4'])
# group = host.new_group('6')
#es queda pillat al join! mirar el enviament de missatges
# group.join(cohort1)
# group.join(cohort2)
# group.join(cohort3)
# pepito = group.join(cohort4)
# print 'pepitooooo', pepito
coord.set_cohort(cohort4)
coord.commit()
sleep(0.5)
def start_node():
nodes_h = {}
num_nodes = 5
cont = 1
retry = 0
index=0
# tcpconf = ('tcp', ('127.0.0.1', 1234))
# host = init_host(tcpconf)
momconf = ('mom',{'name':'s1','ip':'127.0.0.1','port':61613,'namespace':'/topic/test'})
host = init_host(momconf)
log = host.spawn_id('log','chord_log','LogUML',[])
host.set_tracer(log)
# print log
for i in range(num_nodes):
nodes_h[i] = host.spawn_id(str(cont), 'chord_protocol', 'Node', [])
cont += 1
for i in range(num_nodes):
nodes_h[i].init_node()
while index < num_nodes:
try:
if(nodes_h[index].join(nodes_h[0])):
print "True"
interval(5, update, nodes_h[index])
index += 1
retry = 0
sleep(0.2)
except TimeoutError:
retry += 1
if retry > 3:
index += 1
interval(200, show, nodes_h[0])
interval(200, show, nodes_h[num_nodes/2])
interval(200, show, nodes_h[num_nodes - 1])
interval(15, save_log, log)
def test1():
host = init_host()
n2 = host.spawn_id('2','lock_test','Node',['n2'])
sleep(2)
n1 = host.spawn_id('1','lock_test','Node',['n1'])
n1.registry_object(n2)
n3 = host.spawn_id('3','lock_test','Node',['n3'])
n3.registry_object(n1)
n1.start()
n3.start_n3()
sleep(15)
result = n1.start2()
print 'response_start2', result
sleep(20)
def throw_timeout(self):
sleep(3)
return 'timeout test'
def wait_a_lot(self):
sleep(2)
return 'ok'
def tearDownModule(self):
sleep(0.2)
def wait_a_lot(self):
sleep(2)
return 'ok'
def tearDownModule(self):
sleep(0.2)
def return_msg(self):
sleep(10)
return 'Hello World'
def test():
host=init_host()
sensor=host.spawn_id('1','SD_Task2_A','Sensor',[])
sl1=host.spawn_id('1','SD_Task2_A','Streetlight',[])
sl2=host.spawn_id('2','SD_Task2_A','Streetlight',[])
sl3=host.spawn_id('3','SD_Task2_A','Streetlight',[])
q= host.spawn_id('1','SD_Task2_A','Queue',[])
l=host.spawn_id('1','SD_Task2_A','Write_file',[])
sensor.subscribe(sl1) # connectem clients al sensor
sensor.subscribe(sl2)
sensor.subscribe(sl3)
sl1.set_log(l) # connectem clients amb classe per escriure a arxiu
sl2.set_log(l) # connectem clients amb classe per escriure a arxiu
sl3.set_log(l) # connectem clients amb classe per escriure a arxiu
sl1.set_queue(q,0) # connectem clients amb cua
sl2.set_queue(q,1)
sl3.set_queue(q,2)
q.connect_queue(sl1) # connectem cua amb clients
q.connect_queue(sl2)
q.connect_queue(sl3)
s1=host.spawn_id('1','SD_Task2_A','Server',[])
s2=host.spawn_id('2','SD_Task2_A','Server',[])
db1=host.spawn_id('1','SD_Task2_A','Database',[])
db2=host.spawn_id('2','SD_Task2_A','Database',[])
db3=host.spawn_id('3','SD_Task2_A','Database',[])
s1.connect_database(db1) # connectem servidors amb database
s1.connect_database(db2)
s1.connect_database(db3)
s1.set_queue_server(q) # connectem servidors amb cua
q.add_server(s1) # connectem cua amb servidors
sensor.start('arxiu.txt')
sensor.start_interval()
sleep(27) # esperar a tenir tots els valors
sl1.log()
sleep(1)
sl2.log()
sleep(1)
sl3.log()
sleep(1)
l.write()