https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=251541
Bug ID: 251541
Summary: libxo json output for `netstat -Lan` misses statistics
Product: Base System
Version: 12.1-RELEASE
Hardware: amd64
OS: Any
Status: New
Severity: Affects Some People
Priority: ---
Component: bin
Assignee: b...@freebsd.org
Reporter: ya...@apple.com
# /usr/bin/netstat -Lan --libxo json | jq .
{
"statistics": {
"socket": [
{
"queue-length": 0,
"incomplete-queue-length": 0,
"queue-limit": 128,
"path": "/tmp/ssh-NZBPhqvAB7/agent.66959"
},
{},
{},
{},
{},
{},
{},
{},
{},
{},
{},
{},
{},
{},
{},
{},
{},
{},
{},
{},
{},
{},
{},
{},
{},
{},
{},
{},
{},
{},
{},
{},
{},
{},
{},
{},
{},
{},
{},
{},
{},
{},
{},
{},
{},
{},
{},
{},
{
"queue-length": 0,
"incomplete-queue-length": 0,
"queue-limit": 65535,
"path": "/var/run/some.sock"
},
{
"queue-length": 0,
"incomplete-queue-length": 0,
"queue-limit": 255,
"path": "/var/db/syslog-ng.ctl"
},
{
"queue-length": 0,
"incomplete-queue-length": 0,
"queue-limit": 65535,
"path": "/var/run/other.sock"
},
{},
{},
{
"queue-length": 0,
"incomplete-queue-length": 0,
"queue-limit": 5,
"path": "/var/run/lldpd.socket"
},
{},
{},
{
"queue-length": 0,
"incomplete-queue-length": 0,
"queue-limit": 100,
"path": "/var/run/mdnsd"
},
{
"queue-length": 0,
"incomplete-queue-length": 0,
"queue-limit": 4,
"path": "/var/run/devd.pipe"
},
{},
{},
{},
{},
{},
{},
{},
{},
{},
{},
{},
{},
{},
{},
{},
{},
{
"queue-length": 0,
"incomplete-queue-length": 0,
"queue-limit": 4,
"path": "/var/run/devd.seqpacket.pipe"
}
]
}
}
Compared to:
# /usr/bin/netstat -Lan
Current listen queue sizes (qlen/incqlen/maxqlen)
Proto Listen Local Address
tcp4 0/0/65535 127.0.0.1.9465
tcp4 0/0/65535 *.443
tcp6 0/0/65535 *.443
tcp4 0/0/5 127.0.0.1.8083
tcp4 0/0/5 127.0.0.1.5199
tcp46 0/0/65535 *.8888
tcp6 0/0/256 ::1.8954
tcp4 0/0/256 127.0.0.1.8954
tcp6 0/0/256 1000:a9:a6:300.80
tcp6 0/0/256 ::1.53
tcp4 0/0/256 192.212.30.87.80
tcp4 0/0/256 127.0.0.1.80
tcp4 0/0/65535 127.0.0.1.9100
tcp4 0/0/65535 127.0.0.1.9970
tcp4 0/0/65535 127.0.0.1.9123
tcp4 0/0/65535 127.0.0.1.9289
tcp4 0/0/65535 127.0.0.1.9119
tcp46 0/0/65535 *.9324
tcp46 0/0/65535 *.8000
tcp4 0/0/65535 127.0.0.1.4444
tcp4 0/0/128 *.22
tcp6 0/0/128 *.22
Some tcp sockets may have been created.
unix 0/0/128 /tmp/ssh-NZBPhqvAB7/agent.66959
unix 0/0/65535 /var/run/some.sock
unix 0/0/255 /var/db/syslog-ng.ctl
unix 0/0/65535 /var/run/other.sock
unix 0/0/5 /var/run/lldpd.socket
unix 0/0/100 /var/run/mdnsd
unix 0/0/4 /var/run/devd.pipe
unix 0/0/4 /var/run/devd.seqpacket.pipe
It seems like the empty dictionaries tend to show up most of the time anyway,
but in this particular output the interesting statistics are completely
missing.
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