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better icmp debug

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This commit is contained in:
Kevin Hester
2020-12-24 10:14:36 +08:00
parent 8d25a23c19
commit 85b664c63c
1 changed files with 7 additions and 3 deletions
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10
meshtastic/tunnel.py
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@@ -98,9 +98,9 @@ class Tunnel:
def onReceive(self, packet):
p = packet["decoded"]["data"]["payload"]
if packet["from"] == self.iface.myInfo.my_node_num:
logging.log("Ignoring message we sent")
logging.debug("Ignoring message we sent")
else:
logging.debug(f"Received mesh tunnel message, forwarding to IP")
logging.debug(f"Received mesh tunnel message type={type(p)} len={len(p)}, forwarding to IP")
self.tun.write(p)
def __tunReader(self):
@@ -108,6 +108,7 @@ class Tunnel:
logging.debug("TUN reader running")
while True:
p = tap.read()
#logging.debug(f"IP packet received on TUN interface, type={type(p)}")
protocol = p[8 + 1]
srcaddr = p[12:16]
@@ -118,7 +119,10 @@ class Tunnel:
ignore = True
logging.log(LOG_TRACE, f"Ignoring blacklisted protocol 0x{protocol:02x}")
elif protocol == 0x01: # ICMP
logging.debug(f"forwarding ICMP message src={ipstr(srcaddr)}, dest={ipstr(destAddr)}")
icmpType = p[20]
icmpCode = p[21]
checksum = p[22:24]
logging.debug(f"forwarding ICMP message src={ipstr(srcaddr)}, dest={ipstr(destAddr)}, type={icmpType}, code={icmpCode}, checksum={checksum}")
# reply to pings (swap src and dest but keep rest of packet unchanged)
#pingback = p[:12]+p[16:20]+p[12:16]+p[20:]
#tap.write(pingback)