diff options
Diffstat (limited to 'tools/net/ynl/lib/ynl.py')
| -rw-r--r-- | tools/net/ynl/lib/ynl.py | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/tools/net/ynl/lib/ynl.py b/tools/net/ynl/lib/ynl.py index c3ff5be33e4e..239e22b7a85f 100644 --- a/tools/net/ynl/lib/ynl.py +++ b/tools/net/ynl/lib/ynl.py @@ -7,6 +7,7 @@ import random import socket import struct from struct import Struct +import sys import yaml import ipaddress import uuid @@ -420,6 +421,7 @@ class YnlFamily(SpecFamily): except KeyError: raise Exception(f"Family '{self.yaml['name']}' not supported by the kernel") + self._recv_dbg = False # Note that netlink will use conservative (min) message size for # the first dump recv() on the socket, our setting will only matter # from the second recv() on. @@ -453,6 +455,17 @@ class YnlFamily(SpecFamily): self.sock.setsockopt(Netlink.SOL_NETLINK, Netlink.NETLINK_ADD_MEMBERSHIP, mcast_id) + def set_recv_dbg(self, enabled): + self._recv_dbg = enabled + + def _recv_dbg_print(self, reply, nl_msgs): + if not self._recv_dbg: + return + print("Recv: read", len(reply), "bytes,", + len(nl_msgs.msgs), "messages", file=sys.stderr) + for nl_msg in nl_msgs: + print(" ", nl_msg, file=sys.stderr) + def _encode_enum(self, attr_spec, value): enum = self.consts[attr_spec['enum']] if enum.type == 'flags' or attr_spec.get('enum-as-flags', False): @@ -819,6 +832,7 @@ class YnlFamily(SpecFamily): return nms = NlMsgs(reply) + self._recv_dbg_print(reply, nms) for nl_msg in nms: if nl_msg.error: print("Netlink error in ntf!?", os.strerror(-nl_msg.error)) @@ -871,6 +885,7 @@ class YnlFamily(SpecFamily): while not done: reply = self.sock.recv(self._recv_size) nms = NlMsgs(reply, attr_space=op.attr_set) + self._recv_dbg_print(reply, nms) for nl_msg in nms: if nl_msg.extack: self._decode_extack(msg, op, nl_msg.extack) |