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LARN
PRRT
Commits
13aedf79
Commit
13aedf79
authored
Mar 09, 2016
by
Andreas Schmidt
Browse files
Proper array creation. Approximation of processing delay.
parent
5b3d8417
Changes
1
Hide whitespace changes
Inline
Side-by-side
tests/perf/__init__.py
View file @
13aedf79
...
...
@@ -8,7 +8,7 @@ import numpy as np
import
math
class
ReceiverThread
(
threading
.
Thread
):
def
__init__
(
self
,
seqnoDigits
):
def
__init__
(
self
,
seqnoDigits
,
packetCount
):
threading
.
Thread
.
__init__
(
self
)
self
.
sock
=
prrt
.
PrrtSocket
(
7000
,
False
)
self
.
running
=
True
...
...
@@ -17,7 +17,8 @@ class ReceiverThread(threading.Thread):
self
.
received
=
set
()
self
.
duplicates
=
0
self
.
seqnoDigits
=
seqnoDigits
self
.
receivedPackets
=
{}
self
.
receivedPackets
=
np
.
ndarray
((
packetCount
),
dtype
=
"datetime64[us]"
)
self
.
receivedPackets
[:]
=
np
.
NAN
def
run
(
self
):
while
(
1
):
...
...
@@ -28,7 +29,7 @@ class ReceiverThread(threading.Thread):
self
.
duplicates
=
self
.
duplicates
+
1
else
:
self
.
received
.
update
(
set
([
seqno
]))
self
.
receivedPackets
[
seqno
]
=
datetime
.
datetime
.
now
()
self
.
receivedPackets
[
int
(
seqno
)
]
=
datetime
.
datetime
.
now
()
time
.
sleep
(
0.000001
)
...
...
@@ -39,7 +40,8 @@ class SenderThread(threading.Thread):
self
.
packetCount
=
packetCount
self
.
seqnoDigits
=
seqnoDigits
self
.
sentPackets
=
{}
self
.
sentPackets
=
np
.
ndarray
((
packetCount
),
dtype
=
"datetime64[us]"
)
self
.
sentPackets
[:]
=
np
.
NAN
# TODO: create proper arrays
...
...
@@ -47,9 +49,9 @@ class SenderThread(threading.Thread):
self
.
sock
.
connect
(
"127.0.0.1"
,
7000
)
for
i
in
range
(
self
.
packetCount
):
d
=
str
(
i
).
zfill
(
self
.
seqnoDigits
)
self
.
sentPackets
[
d
]
=
datetime
.
datetime
.
now
()
self
.
sentPackets
[
i
]
=
datetime
.
datetime
.
now
()
self
.
sock
.
send
(
d
)
time
.
sleep
(
0.001
)
time
.
sleep
(
0.
000
001
)
self
.
sock
.
close
()
...
...
@@ -65,7 +67,7 @@ class TestResults(object):
plr
=
1
-
(
self
.
packetsReceived
/
self
.
packetsSent
)
loss
=
"Residual Loss: %f%% (received %d of %d)"
%
(
plr
,
self
.
packetsReceived
,
self
.
packetsSent
)
duplicates
=
"Duplicates: %d"
%
(
self
.
duplicates
)
delays
=
"Delay Profile: %f+-%f [%f - %f]"
%
(
np
.
mean
(
self
.
delays
),
np
.
std
(
self
.
delays
),
np
.
min
(
self
.
delays
),
np
.
max
(
self
.
delays
))
delays
=
"Delay Profile
[s]
: %f+-%f [%f - %f]"
%
(
np
.
mean
(
self
.
delays
),
np
.
std
(
self
.
delays
),
np
.
min
(
self
.
delays
),
np
.
max
(
self
.
delays
))
return
"%s
\n
%s
\n
%s"
%
(
loss
,
duplicates
,
delays
)
class
TestSetup
(
object
):
...
...
@@ -79,6 +81,7 @@ class TestSetup(object):
self
.
duplicate
=
duplicate
self
.
reorder
=
reorder
self
.
reorder_correlation
=
reorder_correlation
self
.
processing_delay
=
0.001
# 1ms
def
netem_config
(
self
):
# http://www.linuxfoundation.org/collaborate/workgroups/networking/netem
...
...
@@ -91,21 +94,19 @@ class TestSetup(object):
subprocess
.
run
(
"tc qdisc add dev lo root netem "
+
self
.
netem_config
(),
shell
=
True
)
seqnoDigits
=
math
.
ceil
(
math
.
log10
(
self
.
packets
))
recvThread
=
ReceiverThread
(
seqnoDigits
)
recvThread
=
ReceiverThread
(
seqnoDigits
,
self
.
packets
)
recvThread
.
daemon
=
True
sendThread
=
SenderThread
(
seqnoDigits
,
self
.
packets
)
recvThread
.
start
()
sendThread
.
run
()
# TODO: this time should be packet count and delay dependent
time
.
sleep
(
5
)
time
.
sleep
(
self
.
packets
*
(
self
.
delay
+
self
.
processing_delay
)
)
count
=
len
(
recvThread
.
received
)
delays
=
np
.
ndarray
((
self
.
packets
))
delays
=
np
.
ndarray
((
self
.
packets
)
,
dtype
=
"float"
)
for
i
in
range
(
self
.
packets
):
seqno
=
str
(
i
).
zfill
(
seqnoDigits
)
deltaTime
=
recvThread
.
receivedPackets
[
seqno
]
-
sendThread
.
sentPackets
[
seqno
]
delays
[
i
]
=
deltaTime
.
total_seconds
()
delays
[
i
]
=
(
recvThread
.
receivedPackets
[
i
]
-
sendThread
.
sentPackets
[
i
]).
item
().
total_seconds
()
subprocess
.
run
(
"tc qdisc del dev lo root"
,
shell
=
True
,
check
=
True
)
...
...
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