[OpenSIPS-Users] HEP mi_datagram tracing

[Ben Newlin]

No, I only have the mi_datagram backend configured as shown and tracing is not enabled.

Thanks,
Ben Newlin

From: Bogdan-Andrei Iancu <bogdan at opensips.org>
Date: Wednesday, April 4, 2018 at 11:31 AM
To: OpenSIPS users mailling list <users at lists.opensips.org>, Ben Newlin <Ben.Newlin at genesys.com>
Subject: Re: [OpenSIPS-Users] HEP mi_datagram tracing

Hi Ben,

Do you have tracing enabled for at least one MI backend (does not matter which one) ?

Regards,


Bogdan-Andrei Iancu



OpenSIPS Founder and Developer

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On 03/30/2018 05:43 PM, Ben Newlin wrote:
Hi,

I’m running into an issue in 2.3.3 with HEP tracing and the proto_tcp and mi_datagram modules. I am not setting the trace_destination parameter in the mi_datagram module, so I expect tracing should be disabled. I am setting the parameter in the proto_tcp module, but the trace_on parameter is disabled. However, tracing still seems to be attempting and is causing errors.

This config:

#// Even though we are not receiving HEP,
#// this listener is required by OpenSIPS
#// to use the proto_hep module.
listen=hep_udp:PRIVATE_ADDRESS:9060
listen=hep_tcp:PRIVATE_ADDRESS:9060

#// DATAGRAM Management Interface
loadmodule "mi_datagram.so"
modparam("mi_datagram", "unix_socket_mode", 0666)
modparam("mi_datagram", "socket_name", "/tmp/opensips.sock")
modparam("mi_datagram", "children_count", 1)

#// PROTOcol HEP module
loadmodule "proto_hep.so"
modparam("proto_hep", "hep_id", "[hep_tcp] 127.0.0.1:9060; transport=tcp; version=3")
modparam("proto_hep", "hep_capture_id", 1)
modparam("proto_hep", "homer5_on", 1)

#// PROTOcol TCP module
loadmodule "proto_tcp.so"
modparam("proto_tcp", "trace_destination", "hep_tcp")
modparam("proto_tcp", "trace_on", 0)

Generates these errors:

Mar 30 13:52:25 [328] ERROR:proto_hep:build_hep3_buf: unknown IP family
Mar 30 13:52:25 [328] ERROR:proto_hep:send_hep_message: failed to build hep buffer!
Mar 30 13:52:25 [328] ERROR:core:trace_mi_message: failed to send trace message!
Mar 30 13:52:25 [328] ERROR:mi_datagram:mi_trace_request: failed to trace mi command request!
Mar 30 13:52:25 [328] ERROR:proto_hep:build_hep3_buf: unknown IP family
Mar 30 13:52:25 [328] ERROR:proto_hep:send_hep_message: failed to build hep buffer!
Mar 30 13:52:25 [328] ERROR:core:trace_mi_message: failed to send trace message!
Mar 30 13:52:25 [328] ERROR:mi_datagram:mi_trace_reply: failed to trace mi command reply!

Tracing for the mi_datagram module should not be enabled, but appears to be attempting to trace anyway. If I change the HEP config to use version 2 then the errors change:

#// Even though we are not receiving HEP,
#// this listener is required by OpenSIPS
#// to use the proto_hep module.
listen=hep_udp:PRIVATE_ADDRESS:9060

#// DATAGRAM Management Interface
loadmodule "mi_datagram.so"
modparam("mi_datagram", "unix_socket_mode", 0666)
modparam("mi_datagram", "socket_name", "/tmp/opensips.sock")
modparam("mi_datagram", "children_count", 1)

#// PROTOcol HEP module
loadmodule "proto_hep.so"
modparam("proto_hep", "hep_id", "[hep_udp] 127.0.0.1:9060; transport=udp; version=2")
modparam("proto_hep", "hep_capture_id", 1)
modparam("proto_hep", "homer5_on", 1)

#// PROTOcol TCP module
loadmodule "proto_tcp.so"
modparam("proto_tcp", "trace_destination", "hep_udp")
modparam("proto_tcp", "trace_on", 0)

Generates these errors:

Mar 30 14:33:12 [341] ERROR:proto_hep:unpack_hepv12: unsupported family [1]
Mar 30 14:33:12 [340] ERROR:proto_hep:unpack_hepv12: unsupported family [1]
Mar 30 14:33:12 [341] ERROR:proto_hep:update_recv_info: invalid hep version!
Mar 30 14:33:12 [340] ERROR:proto_hep:update_recv_info: invalid hep version!
Mar 30 14:33:12 [340] ERROR:proto_hep:hep_udp_read_req: failed to run hep callbacks
Mar 30 14:33:12 [341] ERROR:proto_hep:hep_udp_read_req: failed to run hep callbacks

If I remove the trace_destination parameter from the proto_tcp module all errors stop. Interestingly, if I set the HEP listener port to something different than the destination port, the errors also stop.

Thanks,
Ben Newlin





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