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#!/usr/bin/env python
import time, sys
import dnet
sys.path.insert(0, '.')
import dpkt
from impacket import ImpactDecoder, ImpactPacket
from openbsd import packet
import scapy
import xstruct
xip = xstruct.structdef('>', [
('v_hl', ('B', 1), (4 << 4) | (dnet.IP_HDR_LEN >> 2)),
('tos', ('B', 1), dnet.IP_TOS_DEFAULT),
('len', ('H', 1), dnet.IP_HDR_LEN),
('id', ('H', 1), 0),
('off', ('H', 1), 0),
('ttl', ('B', 1), dnet.IP_TTL_DEFAULT),
('p', ('B', 1), 0),
('sum', ('H', 1), 0),
('src', ('s', dnet.IP_ADDR_LEN), dnet.IP_ADDR_ANY),
('dst', ('s', dnet.IP_ADDR_LEN), dnet.IP_ADDR_ANY)
])
xudp = xstruct.structdef('>', [
('sport', ('B', 1), 0),
('dport', ('B', 1), 0),
('ulen', ('H', 1), dnet.UDP_HDR_LEN),
('sum', ('H', 1), 0)
])
def compare_create(cnt):
"""
dpkt: 14915.2445937 pps
dpkt (manual): 15494.3632903 pps
impacket: 3929.30572776 pps
openbsd.packet: 1503.7928579 pps
scapy: 348.449269721 pps
xstruct: 88314.8953732 pps
"""
src = dnet.addr('1.2.3.4').ip
dst = dnet.addr('5.6.7.8').ip
data = 'hello world'
start = time.time()
for i in xrange(cnt):
dnet.ip_checksum(
str(dpkt.ip.IP(src=src, dst=dst, p=dnet.IP_PROTO_UDP,
len = dnet.IP_HDR_LEN + dnet.UDP_HDR_LEN + len(data),
data=dpkt.udp.UDP(sport=111, dport=222,
ulen=dnet.UDP_HDR_LEN + len(data),
data=data))))
print 'dpkt:', cnt / (time.time() - start), 'pps'
start = time.time()
for i in xrange(cnt):
dnet.ip_checksum(str(dpkt.ip.IP(src=src, dst=dst, p=dnet.IP_PROTO_UDP,
len=dnet.IP_HDR_LEN + dnet.UDP_HDR_LEN +
len(data))) +
str(dpkt.udp.UDP(sport=111, dport=222,
ulen=dnet.UDP_HDR_LEN + len(data))) +
data)
print 'dpkt (manual):', cnt / (time.time() - start), 'pps'
start = time.time()
for i in xrange(cnt):
ip = ImpactPacket.IP()
ip.set_ip_src('1.2.3.4')
ip.set_ip_dst('5.6.7.8')
udp = ImpactPacket.UDP()
udp.set_uh_sport(111)
udp.set_uh_dport(222)
udp.contains(ImpactPacket.Data(data))
ip.contains(udp)
ip.get_packet()
print 'impacket:', cnt / (time.time() - start), 'pps'
start = time.time()
for i in xrange(cnt):
p = packet.createPacket(packet.IP, packet.UDP)
p['ip'].src = '1.2.3.4'
p['ip'].dst = '5.6.7.8'
p['udp'].sport = 111
p['udp'].dport = 22
p['udp'].payload = data
p.finalise()
p.getRaw()
print 'openbsd.packet:', cnt / (time.time() - start), 'pps'
start = time.time()
for i in xrange(cnt):
ip = scapy.IP(src='1.2.3.4', dst='5.6.7.8') / \
scapy.UDP(sport=111, dport=222) / data
ip.build()
print 'scapy:', cnt / (time.time() - start), 'pps'
start = time.time()
for i in xrange(cnt):
udp = xudp()
udp.sport = 111
udp.dport = 222
udp.ulen = dnet.UDP_HDR_LEN + len(data)
ip = xip()
ip.src = src
ip.dst = dst
ip.p = dnet.IP_PROTO_UDP
ip.len = dnet.IP_HDR_LEN + udp.ulen
dnet.ip_checksum(str(ip) + str(udp) + data)
print 'xstruct:', cnt / (time.time() - start), 'pps'
def compare_parse(cnt):
"""
dpkt: 23347.462887 pps
impacket: 9937.75963595 pps
openbsd.packet: 6826.5955563 pps
scapy: 1461.74727127 pps
xstruct: 206100.202449 pps
"""
s = 'E\x00\x00T\xc2\xf3\x00\x00\xff\x01\xe2\x18\n\x00\x01\x92\n\x00\x01\x0b\x08\x00\xfc\x11:g\x00\x00A,\xc66\x00\x0e\xcf\x12\x08\t\n\x0b\x0c\r\x0e\x0f\x10\x11\x12\x13\x14\x15\x16\x17\x18\x19\x1a\x1b\x1c\x1d\x1e\x1f!"#$%&\'()*+,-./01234567'
start = time.time()
for i in xrange(cnt):
dpkt.ip.IP(s)
print 'dpkt:', cnt / (time.time() - start), 'pps'
decoder = ImpactDecoder.IPDecoder()
start = time.time()
for i in xrange(cnt):
decoder.decode(s)
print 'impacket:', cnt / (time.time() - start), 'pps'
start = time.time()
for i in xrange(cnt):
packet.Packet(packet.IP, s)
print 'openbsd.packet:', cnt / (time.time() - start), 'pps'
start = time.time()
for i in xrange(cnt):
scapy.IP(s)
print 'scapy:', cnt / (time.time() - start), 'pps'
start = time.time()
for i in xrange(cnt):
ip = xip(s[:dnet.IP_HDR_LEN])
udp = xudp(s[dnet.IP_HDR_LEN:dnet.IP_HDR_LEN + dnet.UDP_HDR_LEN])
data = s[dnet.IP_HDR_LEN + dnet.UDP_HDR_LEN:]
print 'xstruct:', cnt / (time.time() - start), 'pps'
def compare_checksum(cnt):
s = 'A' * 80
start = time.time()
for i in range(cnt):
dpkt.in_cksum(s)
print 'dpkt.in_cksum:', cnt / (time.time() - start), 'pps'
start = time.time()
for i in range(cnt):
dnet.ip_cksum_carry(dnet.ip_cksum_add(s, 0))
print 'dnet.ip_cksum_add/carry:', cnt / (time.time() - start), 'pps'
def main():
import psyco
psyco.full()
ITER=10000
print 'checksum:'
compare_checksum(100000)
print 'create:'
compare_create(ITER)
print 'parse:'
compare_parse(ITER)
if __name__ == '__main__':
main()
"""
import hotshot, hotshot.stats
prof = hotshot.Profile('/var/tmp/dpkt.prof')
prof.runcall(main)
prof.close()
stats = hotshot.stats.load('/var/tmp/dpkt.prof')
stats.strip_dirs()
stats.sort_stats('time', 'calls')
stats.print_stats(20)
"""
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