def filter(data):
flag =True;
uri =data['uri']
base_uri = "^/.*$"
if not filter_base_uri(base_uri, uri):
flag=False;
copy_log.log_error("not match base uri %s" % uri)
if not filter_uri(uri):
flag=False;
copy_log.log_error("not match uri %s" % uri)
return flag;
def capture(nc, port=65533):
try:
local_ip = get_local_ip(nc)
# eth1
pc = pcap.pcap(name="%s" % nc)
# tcp port 80
pc.setfilter('udp port %d' % port)
for p_time, p_data in pc:
main_pcap(p_time, p_data, local_ip, port)
except Exception, e:
error_str = "Copy network %s:port %s:exception: %s" % (nc, port, e)
copy_log.log_error(error_str)
sys.exit(1)
pass
def main_pcap(p_time, p_data, local_ip, port):
p = dpkt.ethernet.Ethernet(p_data)
if p.type == dpkt.ethernet.ETH_TYPE_IP:
ip_data = p.data
src_ip = '%d.%d.%d.%d' % tuple(map(ord, list(ip_data.src)))
if ip_data.p == dpkt.ip.IP_PROTO_UDP:
udp_data = p.data.data
if (cmp(src_ip, local_ip) != 0):
if udp_data.data:
try:
copy_log.log_info("send copy data: %s" % udp_data.data)
copy_udp.send_groupcast_UDP(udp_data.data, port,
local_ip)
except Exception, e:
error_str = "Capture src_ip %s:local_ip %s:exception: %s" % (
src_ip, local_ip, e)
copy_log.log_error(error_str)
pass