songqq
87290f15b0
重构SmbFileService以支持多服务器配置，引入连接池和会话池管理机制。主要变更包括： 1. 实现基于主机的多服务器认证配置 2. 新增连接池和会话池管理，提高连接复用率 3. 添加定时清理空闲连接和会话的功能 4. 优化异常处理和重试机制 5. 改进日志记录和资源释放 同时更新相关配置文件和应用属性以支持新功能： 1. 修改application.properties支持多服务器SMB配置 2. 增强SmbConfig类以管理多服务器配置 3. 添加任务映射到tasker_mapper.json 4. 新增客户端和服务端任务规则文档
685 lines
26 KiB
Java
685 lines
26 KiB
Java
package com.ecep.contract.service;
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import com.ecep.contract.SpringApp;
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import com.ecep.contract.config.SmbConfig;
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import com.hierynomus.msdtyp.AccessMask;
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import com.hierynomus.mserref.NtStatus;
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import com.hierynomus.msfscc.FileAttributes;
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import com.hierynomus.msfscc.fileinformation.FileAllInformation;
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import com.hierynomus.mssmb2.SMB2CreateDisposition;
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import com.hierynomus.mssmb2.SMB2CreateOptions;
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import com.hierynomus.mssmb2.SMB2ShareAccess;
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import com.hierynomus.mssmb2.SMBApiException;
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import com.hierynomus.protocol.transport.TransportException;
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import com.hierynomus.smbj.SMBClient;
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import com.hierynomus.smbj.auth.AuthenticationContext;
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import com.hierynomus.smbj.common.SMBRuntimeException;
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import com.hierynomus.smbj.common.SmbPath;
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import com.hierynomus.smbj.event.SessionLoggedOff;
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import com.hierynomus.smbj.share.DiskShare;
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import com.hierynomus.smbj.share.File;
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import lombok.extern.slf4j.Slf4j;
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import org.springframework.beans.factory.DisposableBean;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.stereotype.Service;
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import java.io.IOException;
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import java.io.OutputStream;
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import java.util.*;
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import java.util.concurrent.ConcurrentHashMap;
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import java.util.concurrent.ScheduledExecutorService;
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import java.util.concurrent.TimeUnit;
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import java.util.concurrent.locks.ReentrantLock;
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/**
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* SMB文件服务类，提供SMB/CIFS协议的文件操作功能
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*/
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@Slf4j
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@Service
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public class SmbFileService implements DisposableBean {
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private final SMBClient client;
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private final SmbConfig smbConfig;
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// 连接空闲超时时间：3分钟
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private static final long CONNECTION_IDLE_TIMEOUT_MS = 3 * 60 * 1000;
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// Session信息内部类，用于存储session和最后使用时间
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private static class SessionInfo implements AutoCloseable {
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private final com.hierynomus.smbj.session.Session session;
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private final String username; // 添加用户名字段
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private volatile long lastUsedTimestamp;
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public SessionInfo(com.hierynomus.smbj.session.Session session, String username) {
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this.session = session;
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this.username = username;
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this.lastUsedTimestamp = System.currentTimeMillis();
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}
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public String getUsername() {
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return username;
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}
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public com.hierynomus.smbj.session.Session getSession() {
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return session;
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}
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public long getLastUsedTimestamp() {
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return lastUsedTimestamp;
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}
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public void updateLastUsedTimestamp() {
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this.lastUsedTimestamp = System.currentTimeMillis();
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}
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public boolean isIdle(long timeoutMs) {
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return (System.currentTimeMillis() - lastUsedTimestamp) > timeoutMs;
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}
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public void close() throws IOException {
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session.close();
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}
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}
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// 连接信息内部类，用于存储连接和session连接池
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private static class ConnectionInfo {
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private final com.hierynomus.smbj.connection.Connection connection;
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private volatile long lastUsedTimestamp;
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// Session连接池，使用List存储
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private final List<SessionInfo> sessionPool;
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public ConnectionInfo(com.hierynomus.smbj.connection.Connection connection) {
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this.connection = connection;
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this.lastUsedTimestamp = System.currentTimeMillis();
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this.sessionPool = Collections.synchronizedList(new ArrayList<>());
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}
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public com.hierynomus.smbj.connection.Connection getConnection() {
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return connection;
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}
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public long getLastUsedTimestamp() {
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return lastUsedTimestamp;
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}
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public void updateLastUsedTimestamp() {
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this.lastUsedTimestamp = System.currentTimeMillis();
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}
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public boolean isIdle(long timeoutMs) {
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return (System.currentTimeMillis() - lastUsedTimestamp) > timeoutMs;
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}
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// 清理空闲的session
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public int cleanupIdleSessions(long timeoutMs) {
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List<SessionInfo> idleSessions = new java.util.ArrayList<>();
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// 查找所有空闲session
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for (SessionInfo sessionInfo : sessionPool) {
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if (sessionInfo != null && sessionInfo.isIdle(timeoutMs)) {
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idleSessions.add(sessionInfo);
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}
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}
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// 关闭并移除空闲session
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synchronized (sessionPool) {
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for (SessionInfo sessionInfo : idleSessions) {
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if (sessionInfo != null && sessionPool.contains(sessionInfo)) {
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try {
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sessionInfo.close();
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} catch (IOException e) {
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log.error("Error closing idle session for username: {}", sessionInfo.getUsername(), e);
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}
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sessionPool.remove(sessionInfo);
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}
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}
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}
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return idleSessions.size();
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}
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// 从session池中获取任意一个有效的session
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public SessionInfo peekSession() {
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if (sessionPool.isEmpty()) {
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return null;
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}
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return sessionPool.removeFirst();
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}
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// 创建新session并添加到池中
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public SessionInfo createSession(AuthenticationContext authContext) throws IOException {
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String username = authContext.getUsername();
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// 创建新session
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com.hierynomus.smbj.session.Session session = connection.authenticate(authContext);
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SessionInfo newSession = new SessionInfo(session, username);
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return newSession;
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}
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// 更新session的最后使用时间
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public void returnSession(SessionInfo sessionInfo) {
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// 重新添加到池中
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sessionPool.addLast(sessionInfo);
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sessionInfo.updateLastUsedTimestamp();
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}
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// 关闭所有session
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public void closeAllSessions() {
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// 创建副本以避免并发修改异常
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List<SessionInfo> sessionsCopy = new ArrayList<>();
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// 先获取副本并清空池
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synchronized (sessionPool) {
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sessionsCopy.addAll(sessionPool);
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sessionPool.clear();
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}
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// 关闭所有session
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for (SessionInfo sessionInfo : sessionsCopy) {
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try {
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if (sessionInfo != null) {
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sessionInfo.close();
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}
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} catch (IOException e) {
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log.error("Error closing session for username: {}", sessionInfo.getUsername(), e);
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}
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}
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}
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}
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// 连接池，使用ConcurrentHashMap确保线程安全
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private final Map<String, ConnectionInfo> connectionPool = new ConcurrentHashMap<>();
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// 连接池锁，用于同步连接的创建和关闭
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private final ReentrantLock connectionPoolLock = new ReentrantLock();
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// 定时清理线程池
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private final ScheduledExecutorService cleanupScheduler;
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/**
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* 构造函数，注入SMB客户端和配置，初始化定时清理任务
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*
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* @param smbClient SMB客户端实例
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*/
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public SmbFileService(@Autowired SMBClient smbClient, @Autowired ScheduledExecutorService executor) {
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this.client = smbClient;
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this.smbConfig = SpringApp.getBean(SmbConfig.class);
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this.smbConfig.subscribe(this);
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// 初始化定时清理任务，每30秒运行一次
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this.cleanupScheduler = executor;
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// 启动定时清理任务，延迟1分钟后开始，每30秒执行一次
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this.cleanupScheduler.scheduleAtFixedRate(this::cleanupIdleConnections, 1, 30, TimeUnit.SECONDS);
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}
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//
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// @net.engio.mbassy.listener.Handler
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// private void onSessionLoggedOff(SessionLoggedOff sessionLoggedOffEvent) {
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//
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// }
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/**
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* 获取认证上下文，根据主机名获取对应的认证信息
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*
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* @param host 主机名
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* @return 认证上下文
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* @throws IOException 如果找不到对应的服务器配置
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*/
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private AuthenticationContext getAuthenticationContext(String host) throws IOException {
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log.debug("Creating AuthenticationContext for host: {}", host);
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// 获取该主机对应的配置信息
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SmbConfig.ServerConfig serverConfig = smbConfig.getServerConfig(host);
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// 检查是否找到配置
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if (serverConfig == null) {
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String errorMsg = String.format("No SMB configuration found for host: %s", host);
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log.error(errorMsg);
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throw new IOException(errorMsg);
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}
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// 检查配置是否完整
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if (serverConfig.getUsername() == null || serverConfig.getPassword() == null) {
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String errorMsg = String.format("Incomplete SMB configuration for host: %s, username or password missing",
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host);
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log.error(errorMsg);
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throw new IOException(errorMsg);
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}
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return new AuthenticationContext(
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serverConfig.getUsername(),
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serverConfig.getPassword().toCharArray(),
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"");
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}
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/**
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* 从连接池获取或创建连接
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*
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* @param hostname 主机名
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* @return SMB连接
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* @throws IOException 如果创建连接失败
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*/
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private ConnectionInfo getConnectionInfo(String hostname) throws IOException {
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// 首先检查连接池是否已有该主机的连接
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com.hierynomus.smbj.connection.Connection connection = null;
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int maxTrys = 3;
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while (maxTrys-- > 0) {
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ConnectionInfo connectionInfo = connectionPool.get(hostname);
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// 如果连接存在且有效，则更新最后使用时间并返回
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if (connectionInfo != null) {
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connection = connectionInfo.getConnection();
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if (connection != null && connection.isConnected()) {
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// 更新连接的最后使用时间
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connectionInfo.updateLastUsedTimestamp();
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log.debug("Reusing SMB connection for host: {}", hostname);
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return connectionInfo;
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}
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log.debug("Closing invalid SMB connection for host: {}", hostname);
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connectionInfo.closeAllSessions();
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}
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// 如果连接不存在或已关闭，则创建新连接
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connectionPoolLock.lock();
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try {
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// 创建新连接
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log.debug("Creating new SMB connection for host: {}", hostname);
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connection = client.connect(hostname);
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connectionInfo = new ConnectionInfo(connection);
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connectionPool.put(hostname, connectionInfo);
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return connectionInfo;
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} finally {
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connectionPoolLock.unlock();
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}
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}
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return null;
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}
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/**
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* 从连接池获取或创建连接（兼容旧方法签名）
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*
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* @param hostname 主机名
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* @return SMB连接
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* @throws IOException 如果创建连接失败
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*/
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private com.hierynomus.smbj.connection.Connection getConnection(String hostname) throws IOException {
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return getConnectionInfo(hostname).getConnection();
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}
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// Session空闲超时时间：2分钟（比连接超时时间短）
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private static final long SESSION_IDLE_TIMEOUT_MS = 2 * 60 * 1000;
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/**
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* 清理空闲连接和session的定时任务
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* 1. 检查并关闭所有超时的session
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* 2. 检查并关闭所有超时的连接
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*/
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private void cleanupIdleConnections() {
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log.debug(
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"Running idle connections and sessions cleanup task with session timeout: {}ms, connection timeout: {}ms",
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SESSION_IDLE_TIMEOUT_MS, CONNECTION_IDLE_TIMEOUT_MS);
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// 创建要移除的连接列表，避免在迭代时修改Map
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List<String> idleHostnames = new java.util.ArrayList<>();
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int totalClosedSessions = 0;
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// 首先清理每个连接中的空闲session
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for (Map.Entry<String, ConnectionInfo> entry : connectionPool.entrySet()) {
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String hostname = entry.getKey();
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ConnectionInfo connectionInfo = entry.getValue();
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if (connectionInfo != null) {
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// 清理该连接下的空闲session - 检查session是否超时，超时则关闭
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log.debug("Checking for idle sessions on host: {}", hostname);
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int closedSessions = connectionInfo.cleanupIdleSessions(SESSION_IDLE_TIMEOUT_MS);
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totalClosedSessions += closedSessions;
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if (closedSessions > 0) {
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log.debug("Closed {} idle/expired sessions for host: {}", closedSessions, hostname);
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}
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// 然后检查连接是否空闲超时
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if (connectionInfo.isIdle(CONNECTION_IDLE_TIMEOUT_MS)) {
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idleHostnames.add(hostname);
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log.debug("Found idle connection for host: {}, will be closed", hostname);
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}
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}
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}
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// 关闭并移除空闲连接
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if (!idleHostnames.isEmpty()) {
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connectionPoolLock.lock();
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try {
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for (String hostname : idleHostnames) {
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ConnectionInfo connectionInfo = connectionPool.get(hostname);
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if (connectionInfo != null) {
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try {
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// 先关闭所有session
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connectionInfo.closeAllSessions();
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log.debug("Closed all remaining sessions for host: {}", hostname);
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// 再关闭连接
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log.debug("Closing idle connection for host: {}", hostname);
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connectionInfo.getConnection().close();
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} catch (IOException e) {
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log.error("Error closing idle connection for host: {}", hostname, e);
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} finally {
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connectionPool.remove(hostname);
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log.debug("Removed connection from pool for host: {}", hostname);
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}
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}
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}
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} finally {
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connectionPoolLock.unlock();
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}
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}
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log.debug(
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"Idle connections and sessions cleanup completed successfully. Results: closed {} connections and {} expired sessions",
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idleHostnames.size(), totalClosedSessions);
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}
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/**
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* 执行SMB操作的通用方法，使用连接池和session池
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*
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* @param smbPath SMB路径
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* @param operation 要执行的操作
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* @param <T> 操作返回类型
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* @return 操作结果
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* @throws IOException 如果操作失败
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*/
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private <T> T executeSmbOperation(SmbPath smbPath, SmbOperation<T> operation) throws IOException {
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String hostname = smbPath.getHostname();
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ConnectionInfo connectionInfo = null;
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SessionInfo sessionInfo = null;
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T re = null;
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// 尝试执行获取连接执行操作，当发生 TransportException 时 尝试重试，最多3次
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int maxTrys = 3;
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while (maxTrys-- > 0) {
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try {
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// 获取连接
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connectionInfo = getConnectionInfo(hostname);
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// 从session池获取session
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sessionInfo = connectionInfo.peekSession();
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// 如果session不存在
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if (sessionInfo == null) {
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// 获取认证上下文
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AuthenticationContext authContext = getAuthenticationContext(hostname);
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// 创建新session并添加到池中
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sessionInfo = connectionInfo.createSession(authContext);
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log.debug("Created new SMB session for host: {}", hostname);
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} else {
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log.debug("Reusing SMB session for host: {}", hostname);
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}
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// 连接共享
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try (var share = (DiskShare) sessionInfo.getSession().connectShare(smbPath.getShareName())) {
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re = operation.execute(share, smbPath.getPath());
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// 操作完成后更新session的最后使用时间，将session放回池中
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connectionInfo.returnSession(sessionInfo);
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log.debug("Returned SMB session to pool for host: {}", hostname);
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} catch (SMBRuntimeException e) {
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sessionInfo.close();
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throw e;
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} finally {
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}
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break;
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} catch (TransportException e) {
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log.warn("TransportException occurred while trying to connect to host: {}. Retrying...", hostname);
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// 延迟1秒
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try {
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Thread.sleep(1000);
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} catch (InterruptedException ex) {
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Thread.currentThread().interrupt();
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}
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continue;
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} catch (IOException e) {
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// 如果操作失败且连接信息存在，检查连接状态
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if (connectionInfo != null) {
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com.hierynomus.smbj.connection.Connection connection = connectionInfo.getConnection();
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if (connection != null && !connection.isConnected()) {
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// 从连接池移除失效的连接，并关闭所有session
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connectionInfo.closeAllSessions();
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connectionPool.remove(hostname);
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log.debug("Removed disconnected SMB connection from pool for host: {}", hostname);
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}
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}
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throw e;
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}
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}
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return re;
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}
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/**
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* 上传文件到SMB服务器
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*
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* @param filePath 文件路径
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* @param fileContent 文件内容字节数组
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* @throws IOException 如果上传失败
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*/
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public void uploadFile(String filePath, byte[] fileContent) throws IOException {
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Objects.requireNonNull(filePath, "File path cannot be null");
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Objects.requireNonNull(fileContent, "File content cannot be null");
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log.debug("Uploading file: {} with size: {} bytes", filePath, fileContent.length);
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var smbPath = SmbPath.parse(filePath);
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executeSmbOperation(smbPath, (share, path) -> {
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// 创建目录（如果不存在）
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String directoryPath = path.substring(0, path.lastIndexOf('/'));
|
||
if (!share.folderExists(directoryPath)) {
|
||
share.mkdir(directoryPath);
|
||
log.debug("Created directory: {}", directoryPath);
|
||
}
|
||
|
||
// 上传文件内容
|
||
try (File smbFile = share.openFile(smbPath.getPath(),
|
||
EnumSet.of(AccessMask.GENERIC_WRITE),
|
||
EnumSet.of(FileAttributes.FILE_ATTRIBUTE_NORMAL),
|
||
EnumSet.of(SMB2ShareAccess.FILE_SHARE_WRITE),
|
||
SMB2CreateDisposition.FILE_CREATE,
|
||
EnumSet.noneOf(SMB2CreateOptions.class))) {
|
||
try (OutputStream out = smbFile.getOutputStream()) {
|
||
out.write(fileContent);
|
||
}
|
||
}
|
||
log.info("Successfully uploaded file: {}", filePath);
|
||
return null;
|
||
});
|
||
}
|
||
|
||
/**
|
||
* 检查SMB路径是否存在
|
||
*
|
||
* @param smbPath SMB路径
|
||
* @return 如果路径存在则返回true
|
||
* @throws IOException 如果检查失败
|
||
*/
|
||
public boolean exists(SmbPath smbPath) throws IOException {
|
||
return executeSmbOperation(smbPath, (share, path) -> {
|
||
try {
|
||
FileAllInformation info = share.getFileInformation(path);
|
||
if (info.getStandardInformation().isDirectory()) {
|
||
return share.folderExists(path);
|
||
}
|
||
return share.fileExists(path);
|
||
} catch (SMBApiException e) {
|
||
if (e.getStatus().equals(NtStatus.STATUS_OBJECT_NAME_NOT_FOUND)) {
|
||
return false;
|
||
}
|
||
log.error("Error checking if path exists: {}", path, e);
|
||
throw e;
|
||
}
|
||
});
|
||
}
|
||
|
||
/**
|
||
* 检查文件是否存在（基于File对象）
|
||
*
|
||
* @param file 文件对象
|
||
* @return 如果文件存在则返回true
|
||
*/
|
||
public boolean exists(java.io.File file) {
|
||
Objects.requireNonNull(file, "File cannot be null");
|
||
try {
|
||
var smbPath = SmbPath.parse(file.getAbsolutePath());
|
||
return exists(smbPath);
|
||
} catch (IOException e) {
|
||
log.error("Error checking if file exists: {}", file.getAbsolutePath(), e);
|
||
return false;
|
||
}
|
||
}
|
||
|
||
/**
|
||
* 创建目录
|
||
*
|
||
* @param path 要创建的目录路径
|
||
* @throws IOException 如果创建失败
|
||
*/
|
||
public void mkdir(java.io.File path) throws IOException {
|
||
Objects.requireNonNull(path, "Path cannot be null");
|
||
var smbPath = SmbPath.parse(path.getAbsolutePath());
|
||
|
||
executeSmbOperation(smbPath, (share, smbFilePath) -> {
|
||
if (!share.folderExists(smbFilePath)) {
|
||
share.mkdir(smbFilePath);
|
||
log.debug("Created directory: {}", smbFilePath);
|
||
}
|
||
return null;
|
||
});
|
||
}
|
||
|
||
/**
|
||
* 列出目录中的文件（不包括子目录）
|
||
*
|
||
* @param dir 目录对象
|
||
* @return 文件列表
|
||
* @throws IOException 如果列出失败
|
||
*/
|
||
public List<java.io.File> listFiles(java.io.File dir) throws IOException {
|
||
Objects.requireNonNull(dir, "Directory cannot be null");
|
||
var smbPath = SmbPath.parse(dir.getAbsolutePath());
|
||
|
||
return executeSmbOperation(smbPath, (share, path) -> {
|
||
try {
|
||
FileAllInformation info = share.getFileInformation(path);
|
||
if (info.getStandardInformation().isDirectory() && share.folderExists(path)) {
|
||
var files = share.list(path);
|
||
return files.stream()
|
||
.filter(f -> !f.getFileName().startsWith(".") && !f.getFileName().equals(".."))
|
||
.filter(f -> {
|
||
try {
|
||
String fullPath = path + "\\" + f.getFileName();
|
||
return !share.getFileInformation(fullPath).getStandardInformation().isDirectory();
|
||
} catch (SMBApiException e) {
|
||
log.warn("Error checking file type for: {}", f.getFileName(), e);
|
||
return false;
|
||
}
|
||
})
|
||
.map(f -> new java.io.File(dir, f.getFileName()))
|
||
.toList();
|
||
}
|
||
} catch (SMBApiException e) {
|
||
log.error("Error listing files in directory: {}", path, e);
|
||
}
|
||
return Collections.emptyList();
|
||
});
|
||
}
|
||
|
||
/**
|
||
* 检查是否为文件（非目录）
|
||
* 修复：之前的实现逻辑错误，现在正确返回是否为文件
|
||
*
|
||
* @param file 文件对象
|
||
* @return 如果是文件（非目录）则返回true
|
||
* @throws IOException 如果检查失败
|
||
*/
|
||
public boolean isFile(java.io.File file) throws IOException {
|
||
Objects.requireNonNull(file, "File cannot be null");
|
||
var smbPath = SmbPath.parse(file.getAbsolutePath());
|
||
|
||
return executeSmbOperation(smbPath, (share, path) -> {
|
||
FileAllInformation fileInformation = share.getFileInformation(path);
|
||
// 修复：返回是否不是目录，即是否为文件
|
||
return !fileInformation.getStandardInformation().isDirectory();
|
||
});
|
||
}
|
||
|
||
/**
|
||
* 检查是否为目录
|
||
*
|
||
* @param file 文件对象
|
||
* @return 如果是目录则返回true
|
||
* @throws IOException 如果检查失败
|
||
*/
|
||
public boolean isDirectory(java.io.File file) throws IOException {
|
||
Objects.requireNonNull(file, "File cannot be null");
|
||
var smbPath = SmbPath.parse(file.getAbsolutePath());
|
||
|
||
return executeSmbOperation(smbPath, (share, path) -> {
|
||
FileAllInformation fileInformation = share.getFileInformation(path);
|
||
return fileInformation.getStandardInformation().isDirectory();
|
||
});
|
||
}
|
||
|
||
@Override
|
||
public void destroy() throws Exception {
|
||
shutdown();
|
||
}
|
||
|
||
/**
|
||
* 关闭并清理所有连接和session资源
|
||
*/
|
||
public void shutdown() {
|
||
log.debug("Shutting down SMB connection pool and sessions");
|
||
|
||
// 关闭定时清理任务
|
||
try {
|
||
cleanupScheduler.shutdown();
|
||
if (!cleanupScheduler.awaitTermination(5, TimeUnit.SECONDS)) {
|
||
cleanupScheduler.shutdownNow();
|
||
}
|
||
} catch (InterruptedException e) {
|
||
cleanupScheduler.shutdownNow();
|
||
Thread.currentThread().interrupt();
|
||
}
|
||
|
||
// 关闭所有连接和session
|
||
connectionPoolLock.lock();
|
||
try {
|
||
for (Map.Entry<String, ConnectionInfo> entry : connectionPool.entrySet()) {
|
||
String hostname = entry.getKey();
|
||
ConnectionInfo connectionInfo = entry.getValue();
|
||
try {
|
||
// 先关闭所有session
|
||
connectionInfo.closeAllSessions();
|
||
// 再关闭连接
|
||
log.debug("Closing connection to host: {}", hostname);
|
||
connectionInfo.getConnection().close();
|
||
} catch (IOException e) {
|
||
log.error("Error closing connection or sessions to host: {}", hostname, e);
|
||
}
|
||
}
|
||
connectionPool.clear();
|
||
|
||
// 关闭SMB客户端
|
||
client.close();
|
||
} finally {
|
||
connectionPoolLock.unlock();
|
||
}
|
||
}
|
||
|
||
/**
|
||
* SMB操作接口，用于执行具体的SMB操作
|
||
*/
|
||
@FunctionalInterface
|
||
private interface SmbOperation<T> {
|
||
T execute(DiskShare share, String path) throws IOException;
|
||
}
|
||
}
|