mirror of
https://github.com/neoStudiosLCE/neoLegacy.git
synced 2026-07-04 09:07:02 +00:00
be17d4028f
DLL injector + Python GUI for real-time server metrics. Hooks into tick loop, chunk generation, and player chunk map to collect timing data over TCP, displayed in a tkinter dashboard. Includes bot spawner for load testing.
158 lines
4.5 KiB
Python
158 lines
4.5 KiB
Python
"""
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TCP client for the injected performance monitor DLL.
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Connects to the DLL's TCP server, reads length-prefixed JSON frames,
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parses them into model objects, and emits Qt signals.
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"""
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import json
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import logging
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import socket
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import struct
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import threading
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import time
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from PySide6.QtCore import QObject, Signal
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from models import (
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TickSnapshot, AutosaveSnapshot,
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parse_tick, parse_autosave,
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)
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logger = logging.getLogger("perfmon")
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class PerfConnection(QObject):
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"""Manages TCP connection to the injected DLL's metrics server."""
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connected = Signal(dict) # hello_ack payload
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disconnected = Signal(str) # reason
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tick_received = Signal(object) # TickSnapshot
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autosave_received = Signal(object) # AutosaveSnapshot
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error = Signal(str)
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log = Signal(str)
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def __init__(self, parent=None):
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super().__init__(parent)
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self._sock: socket.socket | None = None
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self._thread: threading.Thread | None = None
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self._running = False
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@property
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def is_connected(self) -> bool:
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return self._running and self._sock is not None
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def connect_to(self, host: str, port: int):
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if self._running:
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return
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self._running = True
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self._thread = threading.Thread(
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target=self._run, args=(host, port), daemon=True
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)
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self._thread.start()
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def disconnect(self):
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self._running = False
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if self._sock:
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try:
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self._sock.close()
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except OSError:
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pass
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def _run(self, host: str, port: int):
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try:
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self._do_connect(host, port)
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except Exception as e:
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self.error.emit(str(e))
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finally:
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self._running = False
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if self._sock:
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try:
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self._sock.close()
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except OSError:
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pass
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self._sock = None
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def _do_connect(self, host: str, port: int):
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self.log.emit(f"Connecting to {host}:{port}...")
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self._sock = socket.create_connection((host, port), timeout=10)
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self._sock.settimeout(2.0)
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self.log.emit("Connected, waiting for hello_ack...")
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# Read frames in a loop
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recv_buf = bytearray()
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while self._running:
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try:
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chunk = self._sock.recv(65536)
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except socket.timeout:
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continue
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except OSError:
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break
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if not chunk:
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break
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recv_buf.extend(chunk)
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# Process complete frames
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while len(recv_buf) >= 4:
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payload_len = struct.unpack(">I", recv_buf[:4])[0]
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if payload_len > 1_000_000:
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raw_hex = recv_buf[:min(32, len(recv_buf))].hex()
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self.error.emit(
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f"Frame too large: {payload_len} bytes "
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f"(0x{payload_len:08X}). Raw: {raw_hex} -- "
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f"wrong port? DLL listens on 19800 by default"
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)
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self._running = False
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break
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total = 4 + payload_len
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if len(recv_buf) < total:
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break
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json_bytes = bytes(recv_buf[4:total])
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del recv_buf[:total]
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try:
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data = json.loads(json_bytes)
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except json.JSONDecodeError as e:
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logger.warning("Invalid JSON frame: %s", e)
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continue
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self._dispatch(data)
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self.log.emit("Connection lost")
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self.disconnected.emit("Connection closed")
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time.sleep(0.1)
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def _dispatch(self, data: dict):
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msg_type = data.get("type", "")
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if msg_type == "hello_ack":
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self.log.emit(
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f"Server: {data.get('level_count', '?')} levels, "
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f"target TPS {data.get('server_tps_target', 20)}"
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)
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self.connected.emit(data)
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elif msg_type == "tick":
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try:
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snap = parse_tick(data)
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self.tick_received.emit(snap)
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except Exception as e:
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logger.warning("Failed to parse tick: %s", e)
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elif msg_type == "autosave":
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try:
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snap = parse_autosave(data)
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self.autosave_received.emit(snap)
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except Exception as e:
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logger.warning("Failed to parse autosave: %s", e)
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else:
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self.log.emit(f"Unknown message type: {msg_type}")
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