def test_stop_wait_no_loss():
warning_flag = False
# numhops, simtime, window, qsize, loss, xrate, bottleneck
net = PS9.make_network(1, 10000, 1, 10, 0.00, 0.00, 1)
tput, _, _ = run_network(net)
if (tput < .49 or tput > .51):
print "Warning: Throughput should be near .5 with parameters -w 1 -n 1; yours was %f" % tput
warning_flag = True
net = PS9.make_network(2, 10000, 1, 10, 0.0, 0.0, 1)
tput, _, _ = run_network(net)
if (tput < .24 or tput > .26):
print "Warning: Throughput should be near .25 with parameters -w 1 -n 2; yours was %f" % tput
warning_flag = True
if not warning_flag:
print "PASSED: Window-size = 1, loss prob = 0"
def test_sliding_window_no_loss():
# Basic test; no loss
net = PS9.make_network(10, 10000, 20, 1000, 0.0, 0.00, 1)
tput, _, _ = run_network(net)
if (tput < .99):
print(
"ERROR: Throughput was %f with parameters -w 20 -n 10 -l 0; should be almost 1"
% tput)
else:
print("PASSED: Window-size > 1, loss prob = 0")
def test_sliding_window():
# Basic test; no loss
net = PS9.make_network(10, 10000, 20, 1000, 0.0, 0.00, 1)
tput, _, _ = run_network(net)
if (tput < .99):
print "ERROR: Throughput was %f with parameters -w 20 -n 10 -l 0; should be almost 1" % tput
else:
print "PASSED: Basic sliding-window test"
# Large window test
net = PS9.make_network(10, 10000, 1000, 2000, 0.001, 0.00, 1)
tput, _, _ = run_network(net)
if (tput < .9):
print "ERROR: Throughput was %f with parameters -w 1000 -n 10 -l .001; should be near .96" % tput
print " Are you retransmitting packets correctly? And buffering at the receiver?"
elif (tput < .94):
print "WARNING: Throughput was %f with parameters -w 1000 -n 10 -l .001; should be near .96" % tput
else:
print "PASSED: Large window test"
def test_stop_wait_no_loss():
warning_flag = False
# numhops, simtime, window, qsize, loss, xrate, bottleneck
net = PS9.make_network(1, 10000, 1, 10, 0.00, 0.00, 1)
tput, _, _ = run_network(net)
if (tput < .49 or tput > .51):
print(
"Warning: Throughput should be near .5 with parameters -w 1 -n 1; yours was %f"
% tput)
warning_flag = True
net = PS9.make_network(2, 10000, 1, 10, 0.0, 0.0, 1)
tput, _, _ = run_network(net)
if (tput < .24 or tput > .26):
print(
"Warning: Throughput should be near .25 with parameters -w 1 -n 2; yours was %f"
% tput)
warning_flag = True
if not warning_flag:
print("PASSED: Window-size = 1, loss prob = 0")
def test_stop_wait_loss():
warning_flag = False
error_flag = False
net = PS9.make_network(3, 10000, 1, 10, 0.01, 0.00, 1)
tput, _, _ = run_network(net)
if (tput < .01):
print "ERROR: Throughput was %f with parameters -w 1 -n 3 -l .01; should be near .15"
print " Are you handling retransmissions?"
error_flag = True
if (tput < .15 or tput > .16):
print "Warning: Throughput should be near .155 with parameters -w 1 -n 3 -l .01; yours was %f" % tput
print " Are you setting self.timeout correctly?"
warning_flag = True
if not error_flag and not warning_flag:
print "PASSED: Window-size = 1, loss prob > 0"
def test_infinite_window():
net = PS9.make_network(10, 10000, 10, 2000, 0.000, 0.00, 1)
tput, _, _ = run_network(net)
if (tput < .49):
print(
"ERROR: Throughput was %f with parameters -w 10 -n 10 -l 0; should be near .5"
% tput)
elif (tput > .51):
print(
"WARNING: Throughput was %f with parameters -w 10 -n 10 -l 0; should be near .5"
% tput)
print(
" Are you sending more packets than the size of the window?"
)
else:
print("PASSED: Window-size > 1, loss prob = 0, under-utilized network")
def test_stop_wait_loss():
warning_flag = False
error_flag = False
net = PS9.make_network(3, 10000, 1, 10, 0.01, 0.00, 1)
tput, _, _ = run_network(net)
if (tput < .01):
print(
"ERROR: Throughput was %f with parameters -w 1 -n 3 -l .01; should be near .15"
% tput)
print(" Are you handling retransmissions?")
error_flag = True
if (tput < .15 or tput > .16):
print(
"Warning: Throughput was %f with parameters -w 1 -n 3 -l .01; should be near .155"
% tput)
print(" Are you setting self.timeout correctly?")
warning_flag = True
if not error_flag and not warning_flag:
print("PASSED: Window-size = 1, loss prob > 0")
def test_sliding_window_loss():
# Large window test
net = PS9.make_network(10, 10000, 1000, 2000, 0.001, 0.00, 1)
tput, _, _ = run_network(net)
if (tput < .9):
print(
"ERROR: Throughput was %f with parameters -w 1000 -n 10 -l .001; should be near .96"
% tput)
print(
" Are you retransmitting packets correctly and buffering at the receiver?"
)
print(
" Are you sending more than one new packet per timeslot? (You should not be)"
)
elif (tput < .94):
print(
"WARNING: Throughput was %f with parameters -w 1000 -n 10 -l .001; should be near .96"
% tput)
print(
" Are you sending more than one new packet per timeslot? (You should not be)"
)
else:
print("PASSED: Window-size > 1, loss prob > 1")
