def calc_stats(filename,controller,port):
pending = {}
ip = inet_pton(AF_INET,controller)
ip = struct.unpack("I",ip)[0]
oft = oftrace.oftrace_open(filename)
m = oftrace.oftrace_next_msg(oft,ip,port)
while(m != None):
if(m.type == oftrace.OFPT_PACKET_IN):
eth = oftrace.uint_to_oft_ethhdr(m.ptr.packet_in.data)
etype = ntohs(eth.ether_type)
# don't capture LLDP packets
if(etype != 0x88cc):
# don't store the whole message. python seems to trouble with
# shallow and deep copies of swig objects...
msg = {}
msg["src_ip"] = inet_ntop(AF_INET,struct.pack("I",m.ip.saddr))
msg["tcp_src"] = m.tcp.source
msg["dst_ip"] = inet_ntop(AF_INET,struct.pack("I",m.ip.daddr))
msg["tcp_dst"] = m.tcp.dest
msg["sec"] = m.phdr.ts_sec
msg["usec"] = m.phdr.ts_usec
msg["type"] = m.type
# enqueue packet in pending-response queue
buf_id = m.ptr.packet_in.buffer_id
pending[buf_id] = msg
elif(m.type == oftrace.OFPT_PACKET_OUT or m.type == oftrace.OFPT_FLOW_MOD):
if (m.type == oftrace.OFPT_PACKET_OUT):
buf_id = m.ptr.packet_out.buffer_id
else:
buf_id = m.ptr.flow_mod.buffer_id
if pending.has_key(buf_id):
src_ip = inet_ntop(AF_INET,struct.pack("I",m.ip.saddr))
dst_ip = inet_ntop(AF_INET,struct.pack("I",m.ip.daddr))
diff_time = timesub(m,pending[buf_id])
print ("%ld.%.6ld secs_to_resp %ld.%.6ld buf_id:%x from %s:%u -> %s:%u (%d packets queued)") % \
(diff_time["sec"],
diff_time["usec"],
pending[buf_id]['sec'],
pending[buf_id]['usec'],
buf_id,
src_ip,
ntohs(m.tcp.source),
dst_ip,
ntohs(m.tcp.dest),
len(pending))
# ok, now we can remove initial request (packet-in) from queue
del pending[buf_id]
elif(buf_id != 0xffffffff):
sys.stderr.write("weird, bufid %x not found \n" % (buf_id) )
m = oftrace.oftrace_next_msg(oft,ip,port)
def do_analyze(filename, controller, port):
msg_count = 0
start_time = {}
# a bit ugly...
ip = inet_pton(AF_INET, controller)
ip = struct.unpack("I", ip)[0]
oft = oftrace.oftrace_open(filename)
m = oftrace.oftrace_next_msg(oft, ip, port)
# save this for timestamp reference
if (m != None):
start_time["sec"] = m.phdr.ts_sec
start_time["usec"] = m.phdr.ts_usec
# dump all packets
while (m != None):
msg_count = msg_count + 1
dump_msg(msg_count, m, start_time)
m = oftrace.oftrace_next_msg(oft, ip, port)
def do_analyze(filename, controller, port):
msg_count = 0
start_time = {}
# a bit ugly...
ip = inet_pton(AF_INET, controller)
ip = struct.unpack("I", ip)[0]
oft = oftrace.oftrace_open(filename)
m = oftrace.oftrace_next_msg(oft, ip, port)
# save this for timestamp reference
if m != None:
start_time["sec"] = m.phdr.ts_sec
start_time["usec"] = m.phdr.ts_usec
# dump all packets
while m != None:
msg_count = msg_count + 1
dump_msg(msg_count, m, start_time)
m = oftrace.oftrace_next_msg(oft, ip, port)
def calc_stats(filename, controller, port):
pending = {}
ip = inet_pton(AF_INET, controller)
ip = struct.unpack("I", ip)[0]
oft = oftrace.oftrace_open(filename)
m = oftrace.oftrace_next_msg(oft, ip, port)
last_progress = -1.0
while (m != None):
progress = oftrace.oftrace_progress(oft)
if (progress > (last_progress + MinProgress)):
sys.stderr.write("--------- %f done ----\n" % (progress))
last_progress = progress
if m.type == oftrace.OFPT_PACKET_OUT:
if m.ptr.packet_out.buffer_id != 4294967295L: # skip if this packet_out
m = oftrace.oftrace_next_msg(oft, ip, port)
continue # is releasing a packet in a buffer
eth = m.embedded_packet
etype = ntohs(eth.ether_type)
# capture only LLDP packets
if (etype == 0x88cc):
# don't store the whole message. python seems to trouble with
# shallow and deep copies of swig objects...
msg = {}
msg["src_ip"] = inet_ntop(AF_INET,
struct.pack("I", m.ip.saddr))
msg["tcp_src"] = m.tcp.source
msg["dst_ip"] = inet_ntop(AF_INET,
struct.pack("I", m.ip.daddr))
msg["tcp_dst"] = m.tcp.dest
msg["sec"] = m.phdr.ts_sec
msg["usec"] = m.phdr.ts_usec
msg["type"] = m.type
# enqueue packet in pending-response queue
srcdst = srcdst2str(eth.ether_dhost, eth.ether_shost)
if pending.has_key(srcdst):
print_dropped(pending, srcdst)
pending[srcdst] = msg
elif (m.type == oftrace.OFPT_PACKET_IN):
eth = m.embedded_packet
etype = ntohs(eth.ether_type)
# capture only LLDP packets
if (etype == 0x88cc):
srcdst = srcdst2str(eth.ether_dhost, eth.ether_shost)
# pdb.set_trace()
if pending.has_key(srcdst):
src_ip = inet_ntop(AF_INET, struct.pack("I", m.ip.saddr))
dst_ip = inet_ntop(AF_INET, struct.pack("I", m.ip.daddr))
diff_time = timesub(m, pending[srcdst])
print ("%ld.%.6ld secs_to_resp %ld.%.6ld %s from %s:%u -> %s:%u (%d packets queued)") % \
(diff_time["sec"],
diff_time["usec"],
pending[srcdst]['sec'],
pending[srcdst]['usec'],
srcdst,
src_ip,
ntohs(m.tcp.source),
dst_ip,
ntohs(m.tcp.dest),
len(pending))
del pending[srcdst]
# grab next message at bottom of loop b/c Python is brain dead
# and doesn't allow this inside the conditional
#print "----------- Grabbing next packet ----------"
m = oftrace.oftrace_next_msg(oft, ip, port)
def calc_stats(filename, controller, port):
pending = {}
ip = inet_pton(AF_INET, controller)
ip = struct.unpack("I", ip)[0]
oft = oftrace.oftrace_open(filename)
m = oftrace.oftrace_next_msg(oft, ip, port)
while (m != None):
if (m.type == oftrace.OFPT_PACKET_IN):
eth = oftrace.uint_to_oft_ethhdr(m.ptr.packet_in.data)
etype = ntohs(eth.ether_type)
# don't capture LLDP packets
if (etype != 0x88cc):
# don't store the whole message. python seems to trouble with
# shallow and deep copies of swig objects...
msg = {}
msg["src_ip"] = inet_ntop(AF_INET,
struct.pack("I", m.ip.saddr))
msg["tcp_src"] = m.tcp.source
msg["dst_ip"] = inet_ntop(AF_INET,
struct.pack("I", m.ip.daddr))
msg["tcp_dst"] = m.tcp.dest
msg["sec"] = m.phdr.ts_sec
msg["usec"] = m.phdr.ts_usec
msg["type"] = m.type
# enqueue packet in pending-response queue
buf_id = m.ptr.packet_in.buffer_id
pending[buf_id] = msg
elif (m.type == oftrace.OFPT_PACKET_OUT
or m.type == oftrace.OFPT_FLOW_MOD):
if (m.type == oftrace.OFPT_PACKET_OUT):
buf_id = m.ptr.packet_out.buffer_id
else:
buf_id = m.ptr.flow_mod.buffer_id
if pending.has_key(buf_id):
src_ip = inet_ntop(AF_INET, struct.pack("I", m.ip.saddr))
dst_ip = inet_ntop(AF_INET, struct.pack("I", m.ip.daddr))
diff_time = timesub(m, pending[buf_id])
print ("%ld.%.6ld secs_to_resp %ld.%.6ld buf_id:%x from %s:%u -> %s:%u (%d packets queued)") % \
(diff_time["sec"],
diff_time["usec"],
pending[buf_id]['sec'],
pending[buf_id]['usec'],
buf_id,
src_ip,
ntohs(m.tcp.source),
dst_ip,
ntohs(m.tcp.dest),
len(pending))
# ok, now we can remove initial request (packet-in) from queue
del pending[buf_id]
elif (buf_id != 0xffffffff):
sys.stderr.write("weird, bufid %x not found \n" % (buf_id))
m = oftrace.oftrace_next_msg(oft, ip, port)
def calc_stats(filename,controller,port):
pending = {}
ip = inet_pton(AF_INET,controller)
ip = struct.unpack("I",ip)[0]
oft = oftrace.oftrace_open(filename)
m = oftrace.oftrace_next_msg(oft,ip,port)
last_progress=-1.0
while(m != None):
progress = oftrace.oftrace_progress(oft)
if ( progress > ( last_progress + MinProgress)) :
sys.stderr.write( "--------- %f done ----\n" % (progress))
last_progress=progress
if m.type == oftrace.OFPT_PACKET_OUT:
if m.ptr.packet_out.buffer_id != 4294967295L: # skip if this packet_out
m = oftrace.oftrace_next_msg(oft,ip,port)
continue # is releasing a packet in a buffer
eth = m.embedded_packet
etype = ntohs(eth.ether_type)
# capture only LLDP packets
if(etype == 0x88cc):
# don't store the whole message. python seems to trouble with
# shallow and deep copies of swig objects...
msg = {}
msg["src_ip"] = inet_ntop(AF_INET,struct.pack("I",m.ip.saddr))
msg["tcp_src"] = m.tcp.source
msg["dst_ip"] = inet_ntop(AF_INET,struct.pack("I",m.ip.daddr))
msg["tcp_dst"] = m.tcp.dest
msg["sec"] = m.phdr.ts_sec
msg["usec"] = m.phdr.ts_usec
msg["type"] = m.type
# enqueue packet in pending-response queue
srcdst = srcdst2str(eth.ether_dhost , eth.ether_shost);
if pending.has_key(srcdst):
print_dropped(pending,srcdst)
pending[srcdst] = msg
elif(m.type == oftrace.OFPT_PACKET_IN):
eth = m.embedded_packet
etype = ntohs(eth.ether_type)
# capture only LLDP packets
if(etype == 0x88cc):
srcdst = srcdst2str(eth.ether_dhost , eth.ether_shost);
# pdb.set_trace()
if pending.has_key(srcdst):
src_ip = inet_ntop(AF_INET,struct.pack("I",m.ip.saddr))
dst_ip = inet_ntop(AF_INET,struct.pack("I",m.ip.daddr))
diff_time = timesub(m,pending[srcdst])
print ("%ld.%.6ld secs_to_resp %ld.%.6ld %s from %s:%u -> %s:%u (%d packets queued)") % \
(diff_time["sec"],
diff_time["usec"],
pending[srcdst]['sec'],
pending[srcdst]['usec'],
srcdst,
src_ip,
ntohs(m.tcp.source),
dst_ip,
ntohs(m.tcp.dest),
len(pending))
del pending[srcdst]
# grab next message at bottom of loop b/c Python is brain dead
# and doesn't allow this inside the conditional
#print "----------- Grabbing next packet ----------"
m = oftrace.oftrace_next_msg(oft,ip,port)
