226 lines
8.8 KiB
Python
226 lines
8.8 KiB
Python
# Machine manipulation request handlers
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#
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# Copyright (C) 2020 Eric Callahan <arksine.code@gmail.com>
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#
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# This file may be distributed under the terms of the GNU GPLv3 license.
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from __future__ import annotations
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import os
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import re
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import pathlib
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import logging
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import platform
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import distro
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from tornado.ioloop import IOLoop
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# Annotation imports
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from typing import (
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TYPE_CHECKING,
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Any,
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Dict,
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)
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if TYPE_CHECKING:
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from confighelper import ConfigHelper
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from websockets import WebRequest
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from . import shell_command
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SCMDComp = shell_command.ShellCommandFactory
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ALLOWED_SERVICES = ["moonraker", "klipper", "webcamd"]
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SD_CID_PATH = "/sys/block/mmcblk0/device/cid"
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SD_CSD_PATH = "/sys/block/mmcblk0/device/csd"
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SD_MFGRS = {
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'1b': "Samsung",
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'03': "Sandisk"
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}
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class Machine:
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def __init__(self, config: ConfigHelper) -> None:
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self.server = config.get_server()
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dist_info: Dict[str, Any]
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dist_info = {'name': distro.name(pretty=True)}
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dist_info.update(distro.info())
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self.system_info: Dict[str, Dict[str, Any]] = {
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'cpu_info': self._get_cpu_info(),
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'sd_info': self._get_sdcard_info(),
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'distribution': dist_info
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}
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# Add system info to log rollover
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sys_info_msg = "\nSystem Info:"
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for header, info in self.system_info.items():
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sys_info_msg += f"\n\n***{header}***"
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for key, val in info.items():
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sys_info_msg += f"\n {key}: {val}"
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self.server.add_log_rollover_item('system_info', sys_info_msg)
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self.server.register_endpoint(
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"/machine/reboot", ['POST'], self._handle_machine_request)
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self.server.register_endpoint(
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"/machine/shutdown", ['POST'], self._handle_machine_request)
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self.server.register_endpoint(
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"/machine/services/restart", ['POST'],
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self._handle_service_request)
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self.server.register_endpoint(
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"/machine/services/stop", ['POST'],
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self._handle_service_request)
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self.server.register_endpoint(
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"/machine/services/start", ['POST'],
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self._handle_service_request)
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self.server.register_endpoint(
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"/machine/system_info", ['GET'],
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self._handle_sysinfo_request)
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# Register remote methods
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self.server.register_remote_method(
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"shutdown_machine", self.shutdown_machine)
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self.server.register_remote_method(
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"reboot_machine", self.reboot_machine)
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async def _handle_machine_request(self, web_request: WebRequest) -> str:
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ep = web_request.get_endpoint()
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if ep == "/machine/shutdown":
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await self.shutdown_machine()
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elif ep == "/machine/reboot":
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await self.reboot_machine()
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else:
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raise self.server.error("Unsupported machine request")
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return "ok"
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async def shutdown_machine(self) -> None:
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await self._execute_cmd("sudo shutdown now")
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async def reboot_machine(self) -> None:
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await self._execute_cmd("sudo shutdown -r now")
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async def do_service_action(self,
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action: str,
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service_name: str
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) -> None:
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await self._execute_cmd(
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f'sudo systemctl {action} {service_name}')
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async def _handle_service_request(self, web_request: WebRequest) -> str:
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name: str = web_request.get('service').lower()
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action = web_request.get_endpoint().split('/')[-1]
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if name == "moonraker":
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if action != "restart":
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raise self.server.error(
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f"Service action '{action}' not available for moonraker")
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IOLoop.current().spawn_callback(
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self.do_service_action, action, name)
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elif name in ALLOWED_SERVICES:
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await self.do_service_action(action, name)
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else:
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raise self.server.error(
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f"Invalid argument recevied for 'name': {name}")
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return "ok"
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async def _handle_sysinfo_request(self,
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web_request: WebRequest
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) -> Dict[str, Any]:
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return {'system_info': self.system_info}
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async def _execute_cmd(self, cmd: str) -> None:
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shell_cmd: SCMDComp = self.server.lookup_component('shell_command')
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scmd = shell_cmd.build_shell_command(cmd, None)
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try:
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await scmd.run(timeout=2., verbose=False)
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except Exception:
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logging.exception(f"Error running cmd '{cmd}'")
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raise
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def get_system_info(self) -> Dict[str, Dict[str, Any]]:
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return self.system_info
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def _get_sdcard_info(self) -> Dict[str, Any]:
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sd_info: Dict[str, Any] = {}
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cid_file = pathlib.Path(SD_CID_PATH)
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if not cid_file.exists():
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# No SDCard detected at mmcblk0
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return {}
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try:
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cid_text = cid_file.read_text().strip().lower()
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mid = cid_text[:2]
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sd_info['manufacturer_id'] = mid
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sd_info['manufacturer'] = SD_MFGRS.get(mid, "Unknown")
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sd_info['oem_id'] = cid_text[2:6]
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sd_info['product_name'] = bytes.fromhex(cid_text[6:16]).decode(
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encoding="ascii", errors="ignore")
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sd_info['product_revision'] = \
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f"{int(cid_text[16], 16)}.{int(cid_text[17], 16)}"
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sd_info['serial_number'] = cid_text[18:26]
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mfg_year = int(cid_text[27:29], 16) + 2000
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mfg_month = int(cid_text[29], 16)
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sd_info['manufacturer_date'] = f"{mfg_month}/{mfg_year}"
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except Exception:
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logging.info("Error reading SDCard CID Register")
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return {}
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sd_info['capacity'] = "Unknown"
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sd_info['total_bytes'] = 0
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csd_file = pathlib.Path(SD_CSD_PATH)
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# Read CSD Register
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try:
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csd_reg = bytes.fromhex(csd_file.read_text().strip())
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csd_type = (csd_reg[0] >> 6) & 0x3
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if csd_type == 0:
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# Standard Capacity (CSD Version 1.0)
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max_block_len: int = 2**(csd_reg[5] & 0xF)
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c_size = ((csd_reg[6] & 0x3) << 10) | (csd_reg[7] << 2) | \
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((csd_reg[8] >> 6) & 0x3)
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c_mult_reg = ((csd_reg[9] & 0x3) << 1) | (csd_reg[10] >> 7)
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c_mult = 2**(c_mult_reg + 2)
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total_bytes: int = (c_size + 1) * c_mult * max_block_len
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sd_info['capacity'] = f"{(total_bytes / (1024.0**2)):.1f} MiB"
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elif csd_type == 1:
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# High Capacity (CSD Version 2.0)
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c_size = ((csd_reg[7] & 0x3F) << 16) | (csd_reg[8] << 8) | \
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csd_reg[9]
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total_bytes = (c_size + 1) * 512 * 1024
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sd_info['capacity'] = f"{(total_bytes / (1024.0**3)):.1f} GiB"
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elif csd_type == 2:
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# Ultra Capacity (CSD Version 3.0)
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c_size = ((csd_reg[6]) & 0xF) << 24 | (csd_reg[7] << 16) | \
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(csd_reg[8] << 8) | csd_reg[9]
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total_bytes = (c_size + 1) * 512 * 1024
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sd_info['capacity'] = f"{(total_bytes / (1024.0**4)):.1f} TiB"
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else:
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# Invalid CSD, skip capacity check
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return sd_info
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sd_info['total_bytes'] = total_bytes
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except Exception:
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logging.info("Error Reading SDCard CSD Register")
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return sd_info
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def _get_cpu_info(self) -> Dict[str, Any]:
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cpu_file = pathlib.Path("/proc/cpuinfo")
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cpu_info = {
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'cpu_count': os.cpu_count(),
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'bits': platform.architecture()[0],
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'processor': platform.processor() or platform.machine(),
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'cpu_desc': "",
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'hardware_desc': "",
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'model': ""
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}
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if not cpu_file.exists():
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return cpu_info
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try:
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cpu_text = cpu_file.read_text().strip()
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cpu_items = [item.strip() for item in cpu_text.split("\n\n")
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if item.strip()]
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for item in cpu_items:
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cpu_desc_match = re.search(r"model name\s+:\s+(.+)", item)
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if cpu_desc_match is not None:
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cpu_info['cpu_desc'] = cpu_desc_match.group(1).strip()
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continue
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hw_match = re.search(r"Hardware\s+:\s+(.+)", cpu_items[-1])
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if hw_match is not None:
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cpu_info['hardware_desc'] = hw_match.group(1).strip()
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model_match = re.search(r"Model\s+:\s+(.+)", cpu_items[-1])
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if model_match is not None:
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cpu_info['model'] = model_match.group(1).strip()
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except Exception:
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logging.info("Error Reading /proc/cpuinfo")
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return cpu_info
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def load_component(config: ConfigHelper) -> Machine:
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return Machine(config)
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