ODM_pro/preprocess/odm_monitor.py

import os
import time
import psutil
import logging
import subprocess
from typing import Optional, Tuple

class ODMProcessMonitor:
    """ODM进程监控器"""
    
    def __init__(self, max_retries: int = 3, check_interval: int = 300):
        """
        初始化监控器
        
        Args:
            max_retries: 最大重试次数
            check_interval: 检查间隔（秒）
        """
        self.max_retries = max_retries
        self.check_interval = check_interval
        self.logger = logging.getLogger('UAV_Preprocess.ODMMonitor')

    def _is_process_running(self, pid: int) -> bool:
        """检查进程是否在运行"""
        try:
            process = psutil.Process(pid)
            return process.is_running()
        except psutil.NoSuchProcess:
            return False

    def _check_success(self, grid_dir: str) -> bool:
        """检查ODM是否执行成功"""
        # ODM成功完成时会生成这些文件夹
        if self.mode == "快拼模式":
            success_markers = ['odm_orthophoto', 'odm_georeferencing']
        else:
            success_markers = ['odm_orthophoto', 'odm_georeferencing', 'odm_texturing']
        return all(os.path.exists(os.path.join(grid_dir, marker)) for marker in success_markers)

    def run_odm_with_monitor(self, command: str, grid_dir: str, grid_idx: int) -> Tuple[bool, str]:
        """
        运行ODM命令并监控进程
        
        Args:
            command: ODM命令
            grid_dir: 网格目录
            grid_idx: 网格索引
            
        Returns:
            Tuple[bool, str]: (是否成功, 错误信息)
        """
        attempt = 0
        while attempt < self.max_retries:
            try:
                self.logger.info(f"网格 {grid_idx + 1} 第 {attempt + 1} 次尝试执行ODM")
                
                # 启动ODM进程
                process = subprocess.Popen(
                    command,
                    shell=True,
                    cwd=grid_dir,
                    stdout=subprocess.PIPE,
                    stderr=subprocess.PIPE,
                    text=True
                )
                
                pid = process.pid
                self.logger.info(f"ODM进程启动，PID: {pid}")

                # 监控进程
                while True:
                    if not self._is_process_running(pid):
                        # 进程结束，检查是否成功
                        stdout, stderr = process.communicate()
                        
                        # 保存日志
                        log_file = os.path.join(grid_dir, f'odm_attempt_{attempt + 1}.log')
                        with open(log_file, 'w', encoding='utf-8') as f:
                            f.write(f"=== 标准输出 ===\n{stdout}\n\n=== 错误输出 ===\n{stderr}")

                        if self._check_success(grid_dir):
                            self.logger.info(f"网格 {grid_idx + 1} ODM处理成功")
                            return True, ""
                        else:
                            self.logger.warning(f"网格 {grid_idx + 1} 第 {attempt + 1} 次尝试失败")
                            break
                    
                    time.sleep(self.check_interval)

                # 如果不是最后一次尝试，等待后重试
                if attempt < self.max_retries - 1:
                    wait_time = (attempt + 1) * 30
                    self.logger.info(f"等待 {wait_time} 秒后重试...")
                    time.sleep(wait_time)
                
                attempt += 1
                
            except Exception as e:
                error_msg = f"监控进程发生异常: {str(e)}"
                self.logger.error(error_msg)
                return False, error_msg

        error_msg = f"网格 {grid_idx + 1} 在 {self.max_retries} 次尝试后仍然失败，需要人工查看"
        self.logger.error(error_msg)
        return False, error_msg