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//opt/cloudlinux/venv/lib/python3.11/site-packages/ssa/agent.py

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# -*- coding: utf-8 -*-

# Copyright © Cloud Linux GmbH & Cloud Linux Software, Inc 2010-2021 All Rights Reserved
#
# Licensed under CLOUD LINUX LICENSE AGREEMENT
# http://cloudlinux.com/docs/LICENSE.TXT

"""
This module contains contains classes implementing SSA Agent behaviour
"""
import atexit
import json
import logging
from concurrent.futures import ThreadPoolExecutor
from threading import current_thread
from .internal.constants import agent_sock
from .internal.exceptions import SSAError
from .internal.utils import create_socket
from .modules.processor import RequestProcessor

# Maximum number of concurrent worker threads for handling requests.
# Limits memory usage on high-traffic servers.
MAX_WORKERS = 50

class SimpleAgent:
    """
    SSA Simple Agent class
    """

def __init__(self):
        self.logger = logging.getLogger('agent')
        self.request_processor = RequestProcessor()
        self.executor = ThreadPoolExecutor(max_workers=MAX_WORKERS)
        atexit.register(self._shutdown)
        # start serving incoming connections
        self.listen()

def _shutdown(self):
        """Gracefully shutdown the thread pool executor."""
        self.executor.shutdown(wait=False)

def listen(self) -> None:
        """
        Start listening socket
        """
        _socket = create_socket(agent_sock)
        while True:
            connection, address = _socket.accept()
            self.executor.submit(self.handle, connection)
            self.logger.debug('[ThreadPool] Submitted task')

def handle(self, connection: 'socket object') -> None:
        """
        Handle incoming connection
        :param connection: socket object usable to
        send and receive data on the connection
        """
        fileobj = connection.makefile(errors='ignore')
        try:
            input_data = self.read_input(fileobj)
            self.request_processor.handle(input_data)
        except SSAError as e:
            self.logger.error('Handled exception in [%s]: %s',
                              current_thread().name, str(e))
            pass
        connection.close()

def read_input(self, fileio: 'file object') -> dict:
        """
        Read input data and return decoded json
        :param fileio: a file-like object providing read method
        """
        data = fileio.read()
        self.logger.info('[%s] I received %i bytes: %s',
                         current_thread().name, len(data.encode()),
                         data)
        if data:
            return json.loads(data.strip(), strict=False)
        else:
            return {}

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Name	Size	Perms	Modified	Actions
autotracing DIR	-	drwxr-xr-x	2026-03-14 07:02:31	Edit Download recursive recursive
configuration DIR	-	drwxr-xr-x	2026-03-14 07:02:31	Edit Download recursive recursive
internal DIR	-	drwxr-xr-x	2026-03-14 07:02:31	Edit Download recursive recursive
modules DIR	-	drwxr-xr-x	2026-03-14 07:02:31	Edit Download recursive recursive
ssa_utils DIR	-	drwxr-xr-x	2026-03-14 07:02:31	Edit Download recursive recursive
__pycache__ DIR	-	drwxr-xr-x	2026-03-14 07:03:38	Edit Download recursive recursive
agent.py	2.55 KB	lrw-r--r--	2026-02-10 14:39:48	Edit Download recursive recursive
clos_ssa_ini.py	1.29 KB	lrw-r--r--	2026-02-10 14:39:48	Edit Download recursive recursive
cloudlinux-autotracing.py	382 B	lrwxr-xr-x	2026-02-10 14:39:48	Edit Download recursive recursive
cloudlinux-ssa-agent.py	374 B	lrwxr-xr-x	2026-02-10 14:39:48	Edit Download recursive recursive
cloudlinux-ssa-manager.py	378 B	lrwxr-xr-x	2026-02-10 14:39:48	Edit Download recursive recursive
db.py	8.07 KB	lrw-r--r--	2026-02-10 14:39:48	Edit Download recursive recursive
manager.py	20.43 KB	lrw-r--r--	2026-02-10 14:39:48	Edit Download recursive recursive
website_isolation.py	8.39 KB	lrw-r--r--	2026-02-10 14:39:48	Edit Download recursive recursive
__init__.py	0 B	lrw-r--r--	2026-02-10 14:39:48	Edit Download recursive recursive

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