def topology(num=100,
max_r=100,
mode="g",
xp=None,
plot=False,
ping=False,
serf_conf=False,
devmodel=None,
sleep_test=-1,
new_met=False):
info(
"Creating a network with docker containers acting as hosts and wireless mesh network environment.\n"
)
net = Containernet(controller=Controller)
#info('*** Adding docker containers\n')
## In automated way will create Hosts
dh = []
if load_topo:
net, dh, num = load_positions(net)
net = start_network(net)
seed_node = "10.0.0.254:5001" ## seed will be always the first container!
config_nodes(seed_node, dh)
printTopo(net, num=num, plotgrp=plot, ping=ping)
if not xp: info("> Not running automatic experience!\n")
else: #TODO: for now there is only one!!!!!
experiment1(net,
dh,
num=num,
sleep_test=sleep_test,
new_met=new_met)
info('*** Running CLI\n')
CLI(net)
info('*** Stopping network')
net.stop()
sys.exit() ## save(?) and exit
#Using the new method to calculate positions
info("*** Creating positions for nodes\n")
listPos, G = prepareGraph(num, max_r)
print("* Nodes positions created!")
print("** Creating %d Station(s) " % (num))
if save_topo:
with open(save_topo_file, "w+") as tdh:
#start writing things
#NumOfHosts;[(posx,posy,posz),..];docker_image;device_model;range;ip?;other info
tdh.write("### Topology for %d hosts\n" % (num))
tdh.write(
"#NumOfHosts;[(posx,posy,posz);docker_image;device_model;range;ip?];other info\n"
)
tdh.write("NumOfHosts=%d;\n" % num)
tdh.flush()
for x in range(0, num):
ip = (254 - x)
posx, posy = getPosition(listPos)
posz = 10
r = max_r
position = str(posx) + ',' + str(posy) + ',' + str(posz)
## This will create the hosts with image ubuntu:trusty, position and range of the device
## other information can be added later
#dh.append("null")
dh.append(
net.addDocker('d' + str(x),
cls=Docker,
ip='10.0.0.' + str(ip),
dimage=docker_image,
position=position,
range=r,
mode=mode,
equipmentModel=devmodel))
d = dh[x]
sys.stdout.write(str(d) + " ")
sys.stdout.flush()
if save_topo:
with open(save_topo_file, "a+") as tdh:
tdh.write(
"[\nnode_num=%d;\nposition=(%s);\ndocker_image=%s;\nequip_model=%s;\nrange=%d;\nmode=%s;\nip=10.0.0.%d;\n]\n"
% (x, position, docker_image, devmodel, r, mode, ip))
tdh.flush()
container_constraint(dh=dh)
info("\n** Adding nodes to Mesh\n")
hlinks = []
for x in dh:
hlinks.append(net.addMesh(x, ssid='meshNet'))
x.verifyingNodes(x)
## Mesh routing is not doing a mesh, only 1 to nearby
meshr = net.meshRouting("custom")
info("** Routing nodes through mesh\n")
for x in dh:
meshRouting.customMeshRouting(x, 0, net.wifiNodes)
sys.stdout.write(str(x) + " ")
sys.stdout.flush()
start_network(net)
seed_node = "10.0.0.254:5001" ## seed will be always the first container!
config_nodes(seed_node, dh)
# This will print the topology and network configuration of the
# random created network
printTopo(net, num=num, plotgrp=plot, ping=ping)
# The simulation selected will start:
if not xp: info("> Not running automatic experiment!\n")
elif xp == "None": info("> Not running automatic experiment\n")
elif xp == 'dataset':
exp_dataset(net)
else: #TODO: for now there is only one!!!!!
experiment1(net, dh, num=num, sleep_test=sleep_test, new_met=new_met)
info('*** Running CLI\n')
CLI(net)
info('*** Stopping network')
net.stop()
def topology(num=100):
info(
"Creating a network with docker containers acting as hosts and wireless mesh network environment.\n"
)
net = Containernet(controller=Controller)
info('*** Adding docker containers\n')
## In automated way will create Hosts
dh = []
listPos = positions(num)
prepareGraph(num)
sys.exit()
print("** Creating %d Station(s) " % (num))
for x in range(0, num):
ip = (254 - x)
posx, posy, posz, r = getPosition(listPos)
## This will create the hosts with image ubuntu:trusty, position and range of the device
## other information can be added later
dh.append(
net.addDocker('d' + str(x),
cls=Docker,
ip='10.0.0.' + str(ip),
dimage="ubuntu:trusty",
position=str(posx) + ',' + str(posy) + ',' +
str(posz),
range=r))
d = dh[x]
sys.stdout.write(str(d) + " ")
sys.stdout.flush()
info("\n** Adding nodes to Mesh\n")
for x in dh:
net.addMesh(x, ssid='meshNet')
#pdb.set_trace()
meshr = net.meshRouting("mesh")
info("** Routing nodes through mesh\n")
for x in dh:
meshRouting.customMeshRouting(x, 0, net.wifiNodes)
sys.stdout.write(str(x) + " ")
sys.stdout.flush()
info('\n*** Starting network\n')
net.build(
) ## Build should do the same as start but it will interconnect hosts
#net.start()
seed_node = "10.0.0.254:5001" ## seed will be always the first container!
info("** Configuring node(s)\n")
for d in dh:
sys.stdout.write(str(d) + " - ")
sys.stdout.flush()
port = 5001
dev = str(d) + "-mp0"
## Calling inside script to configure each container
nn = d.cmd(
"/bin/bash /home/config-serf.sh config rpc=127.0.0.1:7373 port=" +
str(port) + " dev=" + str(dev) + " seed=" + str(seed_node))
if nn:
print("Configured for 10.0.0.%s:%d in device %s " %
(str(ip), port, dev))
print("> %s " % (nn))
else:
print("Error in configuring %s " % (str(d)))
info('*** Starting our simulation\n')
slpv = 10 * num / 4 ### SLEEP VARIABLE!!!!
#This will start our simulation of SERF+monitor
#Calling our inside script to start the processes
st = time.time()
with open('/home/simul.' + str(num) + '-' + str(int(time.time())) + '.txt',
"a+") as myfile:
for d in range(0, num):
dh[d].sendCmd("/bin/bash /home/config-serf.sh test " + str(slpv) +
" 2>&1 /dev/null &")
see_pub(dh, out=myfile)
#dh[d+1].cmd("/bin/bash /home/config-serf.sh test 50")
time.sleep(1) ## So that each will start after each other
info("** All nodes have published services.\n")
info("** waiting for them to end.")
et = 0
while ((st + slpv) - et) >= 0: ## while within the time frame
#for i in range(0,slpv):
sys.stdout.write(".")
sys.stdout.flush()
see_pub(dh, out=myfile)
#time.sleep(1)
et = time.time()
sys.stdout.flush()
myfile.flush()
print("\n")
printTopo(net, num=num)
info("*** Simulation has ended (?)\n")
info('*** Running CLI\n')
CLI(net)
info('*** Stopping network')
net.stop()
