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add proc-net-netlink parser and tests

This commit is contained in:
Kelly Brazil
2022-09-25 19:36:12 -07:00
parent c9fcd3d203
commit ab3dc41358
6 changed files with 350 additions and 0 deletions

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[Home](https://kellyjonbrazil.github.io/jc/)
<a id="jc.parsers.proc_net_netlink"></a>
# jc.parsers.proc\_net\_netlink
jc - JSON Convert `/proc/net/netlink` file parser
Usage (cli):
$ cat /proc/net/netlink | jc --proc
or
$ jc /proc/net/netlink
or
$ cat /proc/net/netlink | jc --proc-net-netlink
Usage (module):
import jc
result = jc.parse('proc', proc_net_netlink_file)
or
import jc
result = jc.parse('proc_net_netlink', proc_net_netlink_file)
Schema:
[
{
"sk": string,
"Eth": integer,
"Pid": integer,
"Groups": string,
"Rmem": integer,
"Wmem": integer,
"Dump": integer,
"Locks": integer,
"Drops": integer,
"Inode": integer
}
]
Examples:
$ cat /proc/net/netlink | jc --proc -p
[
{
"sk": "ffff9b61adaff000",
"Eth": 0,
"Pid": 1,
"Groups": "800405d5",
"Rmem": 0,
"Wmem": 0,
"Dump": 0,
"Locks": 2,
"Drops": 0,
"Inode": 29791
},
{
"sk": "ffff9b61a792a000",
"Eth": 0,
"Pid": 837,
"Groups": "00000111",
"Rmem": 0,
"Wmem": 0,
"Dump": 0,
"Locks": 2,
"Drops": 0,
"Inode": 35337
},
...
]
$ cat /proc/net/netlink | jc --proc -p -r
[
{
"sk": "ffff9b61adaff000",
"Eth": "0",
"Pid": "1",
"Groups": "800405d5",
"Rmem": "0",
"Wmem": "0",
"Dump": "0",
"Locks": "2",
"Drops": "0",
"Inode": "29791"
},
{
"sk": "ffff9b61a792a000",
"Eth": "0",
"Pid": "837",
"Groups": "00000111",
"Rmem": "0",
"Wmem": "0",
"Dump": "0",
"Locks": "2",
"Drops": "0",
"Inode": "35337"
},
...
]
<a id="jc.parsers.proc_net_netlink.parse"></a>
### parse
```python
def parse(data: str, raw: bool = False, quiet: bool = False) -> List[Dict]
```
Main text parsing function
Parameters:
data: (string) text data to parse
raw: (boolean) unprocessed output if True
quiet: (boolean) suppress warning messages if True
Returns:
List of Dictionaries. Raw or processed structured data.
### Parser Information
Compatibility: linux
Version 1.0 by Kelly Brazil (kellyjonbrazil@gmail.com)

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@ -128,6 +128,7 @@ parsers = [
'proc-net-igmp', 'proc-net-igmp',
'proc-net-igmp6', 'proc-net-igmp6',
'proc-net-ipv6-route', 'proc-net-ipv6-route',
'proc-net-netlink',
'ps', 'ps',
'route', 'route',
'rpm-qi', 'rpm-qi',

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"""jc - JSON Convert `/proc/net/netlink` file parser
Usage (cli):
$ cat /proc/net/netlink | jc --proc
or
$ jc /proc/net/netlink
or
$ cat /proc/net/netlink | jc --proc-net-netlink
Usage (module):
import jc
result = jc.parse('proc', proc_net_netlink_file)
or
import jc
result = jc.parse('proc_net_netlink', proc_net_netlink_file)
Schema:
[
{
"sk": string,
"Eth": integer,
"Pid": integer,
"Groups": string,
"Rmem": integer,
"Wmem": integer,
"Dump": integer,
"Locks": integer,
"Drops": integer,
"Inode": integer
}
]
Examples:
$ cat /proc/net/netlink | jc --proc -p
[
{
"sk": "ffff9b61adaff000",
"Eth": 0,
"Pid": 1,
"Groups": "800405d5",
"Rmem": 0,
"Wmem": 0,
"Dump": 0,
"Locks": 2,
"Drops": 0,
"Inode": 29791
},
{
"sk": "ffff9b61a792a000",
"Eth": 0,
"Pid": 837,
"Groups": "00000111",
"Rmem": 0,
"Wmem": 0,
"Dump": 0,
"Locks": 2,
"Drops": 0,
"Inode": 35337
},
...
]
$ cat /proc/net/netlink | jc --proc -p -r
[
{
"sk": "ffff9b61adaff000",
"Eth": "0",
"Pid": "1",
"Groups": "800405d5",
"Rmem": "0",
"Wmem": "0",
"Dump": "0",
"Locks": "2",
"Drops": "0",
"Inode": "29791"
},
{
"sk": "ffff9b61a792a000",
"Eth": "0",
"Pid": "837",
"Groups": "00000111",
"Rmem": "0",
"Wmem": "0",
"Dump": "0",
"Locks": "2",
"Drops": "0",
"Inode": "35337"
},
...
]
"""
from typing import List, Dict
import jc.utils
from jc.parsers.universal import simple_table_parse
class info():
"""Provides parser metadata (version, author, etc.)"""
version = '1.0'
description = '`/proc/net/netlink` file parser'
author = 'Kelly Brazil'
author_email = 'kellyjonbrazil@gmail.com'
compatible = ['linux']
hidden = True
__version__ = info.version
def _process(proc_data: List[Dict]) -> List[Dict]:
"""
Final processing to conform to the schema.
Parameters:
proc_data: (List of Dictionaries) raw structured data to process
Returns:
List of Dictionaries. Structured to conform to the schema.
"""
int_list = {'Eth', 'Pid', 'Rmem', 'Wmem', 'Dump', 'Locks', 'Drops', 'Inode'}
for item in proc_data:
for key, val in item.items():
if key in int_list:
item[key] = int(val)
return proc_data
def parse(
data: str,
raw: bool = False,
quiet: bool = False
) -> List[Dict]:
"""
Main text parsing function
Parameters:
data: (string) text data to parse
raw: (boolean) unprocessed output if True
quiet: (boolean) suppress warning messages if True
Returns:
List of Dictionaries. Raw or processed structured data.
"""
jc.utils.compatibility(__name__, info.compatible, quiet)
jc.utils.input_type_check(data)
raw_output: List = []
if jc.utils.has_data(data):
raw_output = simple_table_parse(data.splitlines())
return raw_output if raw else _process(raw_output)

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@ -625,6 +625,11 @@ PLIST file parser
\fB--proc-net-ipv6-route\fP \fB--proc-net-ipv6-route\fP
`/proc/net/ipv6_route` file parser `/proc/net/ipv6_route` file parser
.TP
.B
\fB--proc-net-netlink\fP
`/proc/net/netlink` file parser
.TP .TP
.B .B
\fB--ps\fP \fB--ps\fP

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@ -0,0 +1 @@
[{"sk":"ffff9b61adaff000","Eth":0,"Pid":1,"Groups":"800405d5","Rmem":0,"Wmem":0,"Dump":0,"Locks":2,"Drops":0,"Inode":29791},{"sk":"ffff9b61a792a000","Eth":0,"Pid":837,"Groups":"00000111","Rmem":0,"Wmem":0,"Dump":0,"Locks":2,"Drops":0,"Inode":35337},{"sk":"ffff9b61b8e4d000","Eth":0,"Pid":0,"Groups":"00000000","Rmem":0,"Wmem":0,"Dump":0,"Locks":2,"Drops":0,"Inode":17},{"sk":"ffff9b61a7464800","Eth":4,"Pid":0,"Groups":"00000000","Rmem":0,"Wmem":0,"Dump":0,"Locks":2,"Drops":0,"Inode":24798},{"sk":"ffff9b61b8216800","Eth":7,"Pid":0,"Groups":"00000000","Rmem":0,"Wmem":0,"Dump":0,"Locks":2,"Drops":0,"Inode":17250},{"sk":"ffff9b61a7592000","Eth":9,"Pid":2875,"Groups":"00000000","Rmem":0,"Wmem":0,"Dump":0,"Locks":2,"Drops":0,"Inode":89117},{"sk":"ffff9b61adafc000","Eth":9,"Pid":4095138316,"Groups":"00000000","Rmem":0,"Wmem":0,"Dump":0,"Locks":2,"Drops":0,"Inode":29927},{"sk":"ffff9b61b8e4e800","Eth":9,"Pid":0,"Groups":"00000000","Rmem":0,"Wmem":0,"Dump":0,"Locks":2,"Drops":0,"Inode":22},{"sk":"ffff9b61b71c4800","Eth":9,"Pid":1,"Groups":"00000001","Rmem":0,"Wmem":0,"Dump":0,"Locks":2,"Drops":0,"Inode":29784},{"sk":"ffff9b61b82ef000","Eth":10,"Pid":0,"Groups":"00000000","Rmem":0,"Wmem":0,"Dump":0,"Locks":2,"Drops":0,"Inode":14333},{"sk":"ffff9b61b821d000","Eth":11,"Pid":0,"Groups":"00000000","Rmem":0,"Wmem":0,"Dump":0,"Locks":2,"Drops":0,"Inode":1026},{"sk":"ffff9b61a6ca7800","Eth":15,"Pid":3496194766,"Groups":"00000002","Rmem":0,"Wmem":0,"Dump":0,"Locks":2,"Drops":0,"Inode":38994},{"sk":"ffff9b61b5a60800","Eth":15,"Pid":835,"Groups":"00000002","Rmem":0,"Wmem":0,"Dump":0,"Locks":2,"Drops":0,"Inode":34728},{"sk":"ffff9b61adafc800","Eth":15,"Pid":3516054882,"Groups":"00000001","Rmem":0,"Wmem":0,"Dump":0,"Locks":2,"Drops":0,"Inode":29794},{"sk":"ffff9b61acb18800","Eth":15,"Pid":701,"Groups":"00000002","Rmem":0,"Wmem":0,"Dump":0,"Locks":2,"Drops":0,"Inode":33113},{"sk":"ffff9b61b71c0800","Eth":15,"Pid":1,"Groups":"00000002","Rmem":0,"Wmem":0,"Dump":0,"Locks":2,"Drops":0,"Inode":29760},{"sk":"ffff9b61a6ca4000","Eth":15,"Pid":4232252993,"Groups":"00000002","Rmem":0,"Wmem":0,"Dump":0,"Locks":2,"Drops":0,"Inode":38995},{"sk":"ffff9b61b1f08800","Eth":15,"Pid":1207,"Groups":"00000002","Rmem":0,"Wmem":0,"Dump":0,"Locks":2,"Drops":0,"Inode":41861},{"sk":"ffff9b61a768d000","Eth":15,"Pid":872,"Groups":"00000002","Rmem":0,"Wmem":0,"Dump":0,"Locks":2,"Drops":0,"Inode":38992},{"sk":"ffff9b61b3c84000","Eth":15,"Pid":870,"Groups":"00000002","Rmem":0,"Wmem":0,"Dump":0,"Locks":2,"Drops":0,"Inode":40752},{"sk":"ffff9b61ad435800","Eth":15,"Pid":8470,"Groups":"00000002","Rmem":0,"Wmem":0,"Dump":0,"Locks":2,"Drops":0,"Inode":104872},{"sk":"ffff9b61a6ca2800","Eth":15,"Pid":3571242113,"Groups":"00000002","Rmem":0,"Wmem":0,"Dump":0,"Locks":2,"Drops":0,"Inode":38993},{"sk":"ffff9b61b8e48800","Eth":15,"Pid":0,"Groups":"00000000","Rmem":0,"Wmem":0,"Dump":0,"Locks":2,"Drops":0,"Inode":24},{"sk":"ffff9b61b821b800","Eth":16,"Pid":0,"Groups":"00000000","Rmem":0,"Wmem":0,"Dump":0,"Locks":2,"Drops":0,"Inode":1037},{"sk":"ffff9b61b5a64000","Eth":16,"Pid":835,"Groups":"00000000","Rmem":0,"Wmem":0,"Dump":0,"Locks":2,"Drops":0,"Inode":34727},{"sk":"ffff9b61b8218800","Eth":18,"Pid":0,"Groups":"00000000","Rmem":0,"Wmem":0,"Dump":0,"Locks":2,"Drops":0,"Inode":1029}]

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import os
import unittest
import json
from typing import Dict
import jc.parsers.proc_net_netlink
THIS_DIR = os.path.dirname(os.path.abspath(__file__))
class MyTests(unittest.TestCase):
f_in: Dict = {}
f_json: Dict = {}
@classmethod
def setUpClass(cls):
fixtures = {
'proc_net_netlink': (
'fixtures/linux-proc/net_netlink',
'fixtures/linux-proc/net_netlink.json')
}
for file, filepaths in fixtures.items():
with open(os.path.join(THIS_DIR, filepaths[0]), 'r', encoding='utf-8') as a, \
open(os.path.join(THIS_DIR, filepaths[1]), 'r', encoding='utf-8') as b:
cls.f_in[file] = a.read()
cls.f_json[file] = json.loads(b.read())
def test_proc_net_netlink_nodata(self):
"""
Test 'proc_net_netlink' with no data
"""
self.assertEqual(jc.parsers.proc_net_netlink.parse('', quiet=True), [])
def test_proc_net_netlink(self):
"""
Test '/proc/net/netlink'
"""
self.assertEqual(jc.parsers.proc_net_netlink.parse(self.f_in['proc_net_netlink'], quiet=True),
self.f_json['proc_net_netlink'])
if __name__ == '__main__':
unittest.main()