i_ d Z ddlZddlZddlZddlZddlZddlmZ ddl m
Z
ddl m Z ddl
mZ ddlmZ dd lmZ d
Z G d d ZdS )
zH
This module contains contains classes implementing SSA Agent behaviour
N)ThreadPoolExecutor)current_thread )
agent_sock)SSAError)
create_socket)RequestProcessor2 c e Zd ZdZd Zd ZddZ eh d Ze dd de
fd
Z e d e
defd Zdd
Zddde
fdZdS ) SimpleAgentz
SSA Simple Agent class
c t j d | _ t | _ t t | _ t j | j
| d S )Nagent) max_workers) logging getLoggerloggerr request_processorr MAX_WORKERSexecutoratexitregister _shutdownlistenselfs @/opt/cloudlinux/venv/lib64/python3.11/site-packages/ssa/agent.py__init__zSimpleAgent.__init__! sW '00 !1!3!3 *{CCC
'''
c < | j d dS )z-Gracefully shutdown the thread pool executor.F)waitN)r shutdownr s r r zSimpleAgent._shutdown) s!
E *****r returnNc t t } | \ }}| j | j | | j d R)z(
Start listening socket
Tz[ThreadPool] Submitted task)r r acceptr submithandler debug)r _socket
connectionaddresss r r zSimpleAgent.listen- s`
++ =").."2"2 J M j 9 9 9 K ; < < < =r > urlduration timestamp wordpresshitting_limitsthrottled_timeio_throttled_timer)
socket objectc | t j t j t j d }t j d| \ }}}|S )z
Get the UID of the peer process using SO_PEERCRED.
:param connection: socket object
:return: UID of the connecting process
3i)
getsockopt
socket_module
SOL_SOCKET SO_PEERCREDstructcalcsizeunpack)r) cred_piduid_gids r
_get_peer_uidzSimpleAgent._get_peer_uid= sP $$ $ % OD ! !
!-d33c4
r datac t |t r|sdS t | | j k S )z
Validate that input data contains exactly the expected metric fields.
The PHP extension always sends all 7 fields (see dump.c), so we
require an exact match to reject both unknown and partial payloads.
F)
isinstancedictsetkeys_REQUIRED_FIELDS)clsrA s r _validate_inputzSimpleAgent._validate_inputL s@ $%% T 5499;; 3#777r c | | }nr# t t j f$ rY}| j dt j t | | Y d}~dS d}~ww xY w| d } |
| }| | s| j dt j |t |t r!t | nt# | j | | dS | j | n# t* t, j t0 f$ rD}| j dt j t | Y d}~nTd}~wt2 $ rD}| j dt j t | Y d}~nd}~ww xY w| | dS # | | w xY w)z
Handle incoming connection
:param connection: socket object usable to
send and receive data on the connection
z'[%s] Failed to get peer credentials: %sNignore)errorsz2[%s] Rejected invalid payload from UID=%d: keys=%sz Handled exception in [%s]: %sz Unexpected exception in [%s]: %s)r@ OSErrorr9 errorr r namestrclosemakefile
read_inputrI warningrC rD sortedrF type__name__r r& r jsonJSONDecodeError
ValueError Exception exception)r r) peer_uidefileobj
input_datas r r& zSimpleAgent.handleW s ))*55HH & K 9 %s1vv
/
/
/
FFFFF %%X%66 11J''
33
##H"$$)81;J1M1MlF:??,,---SWXbScScSln n n
MMOOO
" ) )* 5 5 5 5$.
; = = = K = , . . 3SVV
=
=
=
=
=
=
=
= A A A K ! !"D"0"2"2"7Q
A
A
A
A
A
A
A
A A
MMOOO
MMOOO s^ BABB!B F ,F I H3#:G" I "
H3/:H.)I .H33I *J
fileioz file objectc | }| j dt j t | | |r(t j | d S i S )zy
Read input data and return decoded json
:param fileio: a file-like object providing read method
z [%s] I received %i bytes: %sF)strict)
readr infor rO lenencoderX loadsstrip)r ra rA s r rS zSimpleAgent.read_inputz s{
{{}} 7')).DKKMM0B0B :djjll5999 9Ir )r" N)r) r2 r" N)rW
__module__ __qualname____doc__r r r frozensetrG staticmethodintr@ classmethodrD boolrI r& rS r r r r s + + += = = = !y " " "
/ c \ 84 8D 8 8 8 [8! ! ! ! F 4 r r )rl r rX r socketr6 r9 concurrent.futuresr threadingr internal.constantsr internal.exceptionsr internal.utilsr modules.processorr r r rr r r rz s
1 1 1 1 1 1 $ $ $ $ $ $ * * * * * * ) ) ) ) ) ) ) ) ) ) ) ) / / / / / / j j j j j j j j j jr