def main():
logging.basicConfig(format='%(asctime)s - %(levelname)s - %(message)s',
level=logging.DEBUG)
ns = OTNS()
ns.set_title("Ping Example")
ns.set_network_info(version="Latest", commit="master", real=False)
ns.web()
ns.speed = 4
def add_node(*args, **kwargs):
return ns.add(*args, **kwargs, radio_range=RADIO_RANGE)
add_node("fed", 100, 100)
add_node("fed", 100, 300)
add_node("fed", 100, 500)
add_node("fed", 100, 700)
add_node("fed", 100, 900)
add_node("router", 450, 100)
add_node("router", 550, 300)
add_node("router", 450, 500)
add_node("router", 550, 700)
add_node("router", 450, 900)
add_node("fed", 1800, 100)
add_node("fed", 1800, 300)
add_node("fed", 1800, 500)
add_node("fed", 1800, 700)
add_node("fed", 1800, 900)
add_node("router", 1450, 100)
add_node("router", 1350, 300)
add_node("router", 1450, 500)
add_node("router", 1350, 700)
add_node("router", 1450, 900)
C1 = add_node("router", 950, 300)
C2 = add_node("router", 800, 700)
C3 = add_node("router", 1100, 700)
def ping(src: int, dst: int, duration: float):
while duration > 0:
ns.ping(src, dst)
ns.go(1)
duration -= 1
while True:
ping(1, 11, 30)
c1_rlocs = ns.get_ipaddrs(C1, "rloc")
if c1_rlocs:
for i in range(4):
for id in (6, 7, 8, 9, 16, 17, 18, 19, C2, C3):
ns.ping(id, c1_rlocs[0])
ns.delete(C1)
ping(1, 11, 30)
ns.delete(C2)
ns.delete(C3)
ns.go(130)
add_node("router", 950, 300, id=C1)
add_node("router", 800, 700, id=C2)
add_node("router", 1100, 700, id=C3)
ns.go(10)
C1 = add_node("router", 950, 300)
C2 = add_node("router", 800, 700)
C3 = add_node("router", 1100, 700)
def ping(src: int, dst: int, duration: float):
while duration > 0:
ns.ping(src, dst)
ns.go(1)
duration -= 1
while True:
ping(1, 11, 30)
c1_rlocs = ns.get_ipaddrs(C1, "rloc")
if c1_rlocs:
for i in range(4):
for id in (6, 7, 8, 9, 16, 17, 18, 19, C2, C3):
ns.ping(id, c1_rlocs[0])
ns.delete(C1)
ping(1, 11, 30)
ns.delete(C2)
ns.delete(C3)
ns.go(130)
add_node("router", 950, 300, id=C1)
add_node("router", 800, 700, id=C2)
add_node("router", 1100, 700, id=C3)
ns.go(10)
def main():
ns = OTNS(otns_args=['-log', 'info'])
ns.speed = 1
ns.web()
gateway = ns.add("router",
FARM_RECT[0],
FARM_RECT[1],
radio_range=RECEIVER_RADIO_RANGE)
ns.add("router",
FARM_RECT[0],
FARM_RECT[3],
radio_range=RECEIVER_RADIO_RANGE)
ns.add("router",
FARM_RECT[2],
FARM_RECT[1],
radio_range=RECEIVER_RADIO_RANGE)
ns.add("router",
FARM_RECT[2],
FARM_RECT[3],
radio_range=RECEIVER_RADIO_RANGE)
ns.add("router", (FARM_RECT[0] + FARM_RECT[2]) // 2,
FARM_RECT[1],
radio_range=RECEIVER_RADIO_RANGE)
ns.add("router", (FARM_RECT[0] + FARM_RECT[2]) // 2,
FARM_RECT[3],
radio_range=RECEIVER_RADIO_RANGE)
horse_pos = {}
horse_move_dir = {}
for i in range(HORSE_NUM):
rx = random.randint(FARM_RECT[0] + 20, FARM_RECT[2] - 20)
ry = random.randint(FARM_RECT[1] + 20, FARM_RECT[3] - 20)
sid = ns.add("sed", rx, ry, radio_range=HORSE_RADIO_RANGE)
horse_pos[sid] = (rx, ry)
horse_move_dir[sid] = random.uniform(0, math.pi * 2)
def blocked(sid, x, y):
if not (FARM_RECT[0] + 20 < x < FARM_RECT[2] - 20) or not (
FARM_RECT[1] + 20 < y < FARM_RECT[3] - 20):
return True
for oid, (ox, oy) in horse_pos.items():
if oid == sid:
continue
dist2 = (x - ox)**2 + (y - oy)**2
if dist2 <= 1600:
return True
return False
time_accum = 0
while True:
dt = 1
ns.go(dt)
time_accum += dt
for sid, (sx, sy) in horse_pos.items():
for i in range(10):
mdist = random.uniform(0, 2 * R * dt)
sx = int(sx + mdist * math.cos(horse_move_dir[sid]))
sy = int(sy + mdist * math.sin(horse_move_dir[sid]))
if blocked(sid, sx, sy):
horse_move_dir[sid] += random.uniform(0, math.pi * 2)
continue
sx = min(max(sx, FARM_RECT[0]), FARM_RECT[2])
sy = min(max(sy, FARM_RECT[1]), FARM_RECT[3])
ns.move(sid, sx, sy)
horse_pos[sid] = (sx, sy)
break
if time_accum >= 10:
for sid in horse_pos:
ns.ping(sid, gateway)
time_accum -= 10