第211集进程间通信架构实战：IPC机制、消息队列、共享内存的企业级解决方案

/**
 * 管道通信管理器
 * 实现匿名管道和命名管道的通信机制
 */
public class PipeCommunicationManager {
    private final Map<String, PipeChannel> pipes;
    private final ExecutorService executorService;
    
    public PipeCommunicationManager() {
        this.pipes = new ConcurrentHashMap<>();
        this.executorService = Executors.newCachedThreadPool();
    }
    
    /**
     * 创建匿名管道
     */
    public AnonymousPipe createAnonymousPipe() {
        try {
            AnonymousPipe pipe = new AnonymousPipe();
            pipe.initialize();
            return pipe;
        } catch (IOException e) {
            throw new RuntimeException("创建匿名管道失败", e);
        }
    }
    
    /**
     * 创建命名管道
     */
    public NamedPipe createNamedPipe(String pipeName) {
        try {
            NamedPipe pipe = new NamedPipe(pipeName);
            pipe.create();
            pipes.put(pipeName, pipe);
            return pipe;
        } catch (IOException e) {
            throw new RuntimeException("创建命名管道失败", e);
        }
    }
    
    /**
     * 通过管道发送数据
     */
    public void sendData(String pipeName, byte[] data) {
        PipeChannel pipe = pipes.get(pipeName);
        if (pipe != null) {
            pipe.write(data);
        }
    }
    
    /**
     * 从管道接收数据
     */
    public byte[] receiveData(String pipeName) {
        PipeChannel pipe = pipes.get(pipeName);
        if (pipe != null) {
            return pipe.read();
        }
        return null;
    }
    
    /**
     * 异步发送数据
     */
    public CompletableFuture<Void> sendDataAsync(String pipeName, byte[] data) {
        return CompletableFuture.runAsync(() -> {
            sendData(pipeName, data);
        }, executorService);
    }
    
    /**
     * 异步接收数据
     */
    public CompletableFuture<byte[]> receiveDataAsync(String pipeName) {
        return CompletableFuture.supplyAsync(() -> {
            return receiveData(pipeName);
        }, executorService);
    }
}

/**
 * 匿名管道
 */
class AnonymousPipe {
    private PipeInputStream inputStream;
    private PipeOutputStream outputStream;
    
    public void initialize() throws IOException {
        PipedInputStream pis = new PipedInputStream();
        PipedOutputStream pos = new PipedOutputStream(pis);
        
        this.inputStream = new PipeInputStream(pis);
        this.outputStream = new PipeOutputStream(pos);
    }
    
    public PipeInputStream getInputStream() {
        return inputStream;
    }
    
    public PipeOutputStream getOutputStream() {
        return outputStream;
    }
}

/**
 * 命名管道
 */
class NamedPipe extends PipeChannel {
    private final String pipeName;
    private final Path pipePath;
    
    public NamedPipe(String pipeName) {
        this.pipeName = pipeName;
        this.pipePath = Paths.get("/tmp", pipeName);
    }
    
    public void create() throws IOException {
        Files.createNamedPipe(pipePath);
    }
    
    public void delete() throws IOException {
        Files.deleteIfExists(pipePath);
    }
    
    @Override
    public void write(byte[] data) {
        try (FileChannel channel = FileChannel.open(pipePath, StandardOpenOption.WRITE)) {
            ByteBuffer buffer = ByteBuffer.wrap(data);
            channel.write(buffer);
        } catch (IOException e) {
            throw new RuntimeException("写入命名管道失败", e);
        }
    }
    
    @Override
    public byte[] read() {
        try (FileChannel channel = FileChannel.open(pipePath, StandardOpenOption.READ)) {
            ByteBuffer buffer = ByteBuffer.allocate(1024);
            int bytesRead = channel.read(buffer);
            
            if (bytesRead > 0) {
                byte[] data = new byte[bytesRead];
                buffer.flip();
                buffer.get(data);
                return data;
            }
        } catch (IOException e) {
            throw new RuntimeException("读取命名管道失败", e);
        }
        return null;
    }
}

/**
 * 管道通道基类
 */
abstract class PipeChannel {
    public abstract void write(byte[] data);
    public abstract byte[] read();
}

/**
 * 管道输入流
 */
class PipeInputStream {
    private final PipedInputStream inputStream;
    
    public PipeInputStream(PipedInputStream inputStream) {
        this.inputStream = inputStream;
    }
    
    public byte[] read() throws IOException {
        byte[] buffer = new byte[1024];
        int bytesRead = inputStream.read(buffer);
        
        if (bytesRead > 0) {
            byte[] data = new byte[bytesRead];
            System.arraycopy(buffer, 0, data, 0, bytesRead);
            return data;
        }
        return null;
    }
    
    public void close() throws IOException {
        inputStream.close();
    }
}

/**
 * 管道输出流
 */
class PipeOutputStream {
    private final PipedOutputStream outputStream;
    
    public PipeOutputStream(PipedOutputStream outputStream) {
        this.outputStream = outputStream;
    }
    
    public void write(byte[] data) throws IOException {
        outputStream.write(data);
        outputStream.flush();
    }
    
    public void close() throws IOException {
        outputStream.close();
    }
}

/**
 * 消息队列管理器
 * 实现POSIX和System V消息队列
 */
public class MessageQueueManager {
    private final Map<String, MessageQueue> queues;
    private final MessageSerializer serializer;
    private final ExecutorService executorService;
    
    public MessageQueueManager() {
        this.queues = new ConcurrentHashMap<>();
        this.serializer = new MessageSerializer();
        this.executorService = Executors.newCachedThreadPool();
    }
    
    /**
     * 创建消息队列
     */
    public MessageQueue createQueue(String queueName, int maxMessages, int maxMessageSize) {
        MessageQueue queue = new MessageQueue(queueName, maxMessages, maxMessageSize);
        queue.create();
        queues.put(queueName, queue);
        return queue;
    }
    
    /**
     * 发送消息
     */
    public void sendMessage(String queueName, Object message, int priority) {
        MessageQueue queue = queues.get(queueName);
        if (queue != null) {
            try {
                byte[] data = serializer.serialize(message);
                queue.send(data, priority);
            } catch (Exception e) {
                throw new RuntimeException("发送消息失败", e);
            }
        }
    }
    
    /**
     * 接收消息
     */
    public <T> T receiveMessage(String queueName, Class<T> messageType) {
        MessageQueue queue = queues.get(queueName);
        if (queue != null) {
            try {
                byte[] data = queue.receive();
                return serializer.deserialize(data, messageType);
            } catch (Exception e) {
                throw new RuntimeException("接收消息失败", e);
            }
        }
        return null;
    }
    
    /**
     * 异步发送消息
     */
    public CompletableFuture<Void> sendMessageAsync(String queueName, Object message, int priority) {
        return CompletableFuture.runAsync(() -> {
            sendMessage(queueName, message, priority);
        }, executorService);
    }
    
    /**
     * 异步接收消息
     */
    public <T> CompletableFuture<T> receiveMessageAsync(String queueName, Class<T> messageType) {
        return CompletableFuture.supplyAsync(() -> {
            return receiveMessage(queueName, messageType);
        }, executorService);
    }
    
    /**
     * 删除消息队列
     */
    public void deleteQueue(String queueName) {
        MessageQueue queue = queues.remove(queueName);
        if (queue != null) {
            queue.delete();
        }
    }
}

/**
 * 消息队列
 */
class MessageQueue {
    private final String queueName;
    private final int maxMessages;
    private final int maxMessageSize;
    private final BlockingQueue<Message> messageQueue;
    private final Semaphore semaphore;
    
    public MessageQueue(String queueName, int maxMessages, int maxMessageSize) {
        this.queueName = queueName;
        this.maxMessages = maxMessages;
        this.maxMessageSize = maxMessageSize;
        this.messageQueue = new ArrayBlockingQueue<>(maxMessages);
        this.semaphore = new Semaphore(maxMessages);
    }
    
    public void create() {
        // 创建消息队列
        System.out.println("创建消息队列: " + queueName);
    }
    
    public void send(byte[] data, int priority) {
        try {
            semaphore.acquire();
            Message message = new Message(data, priority, System.currentTimeMillis());
            messageQueue.offer(message);
        } catch (InterruptedException e) {
            Thread.currentThread().interrupt();
            throw new RuntimeException("发送消息被中断", e);
        }
    }
    
    public byte[] receive() {
        try {
            Message message = messageQueue.take();
            semaphore.release();
            return message.getData();
        } catch (InterruptedException e) {
            Thread.currentThread().interrupt();
            throw new RuntimeException("接收消息被中断", e);
        }
    }
    
    public void delete() {
        messageQueue.clear();
        System.out.println("删除消息队列: " + queueName);
    }
    
    public int getMessageCount() {
        return messageQueue.size();
    }
    
    public boolean isEmpty() {
        return messageQueue.isEmpty();
    }
}

/**
 * 消息
 */
class Message implements Comparable<Message> {
    private final byte[] data;
    private final int priority;
    private final long timestamp;
    
    public Message(byte[] data, int priority, long timestamp) {
        this.data = data;
        this.priority = priority;
        this.timestamp = timestamp;
    }
    
    public byte[] getData() { return data; }
    public int getPriority() { return priority; }
    public long getTimestamp() { return timestamp; }
    
    @Override
    public int compareTo(Message other) {
        // 优先级高的消息排在前面
        int priorityCompare = Integer.compare(other.priority, this.priority);
        if (priorityCompare != 0) {
            return priorityCompare;
        }
        // 相同优先级按时间戳排序
        return Long.compare(this.timestamp, other.timestamp);
    }
}

/**
 * 消息序列化器
 */
class MessageSerializer {
    private final ObjectMapper objectMapper;
    
    public MessageSerializer() {
        this.objectMapper = new ObjectMapper();
    }
    
    public byte[] serialize(Object message) throws Exception {
        return objectMapper.writeValueAsBytes(message);
    }
    
    public <T> T deserialize(byte[] data, Class<T> messageType) throws Exception {
        return objectMapper.readValue(data, messageType);
    }
}

/**
 * 共享内存管理器
 * 实现POSIX和System V共享内存
 */
public class SharedMemoryManager {
    private final Map<String, SharedMemorySegment> segments;
    private final MemoryAllocator allocator;
    private final ExecutorService executorService;
    
    public SharedMemoryManager() {
        this.segments = new ConcurrentHashMap<>();
        this.allocator = new MemoryAllocator();
        this.executorService = Executors.newCachedThreadPool();
    }
    
    /**
     * 创建共享内存段
     */
    public SharedMemorySegment createSegment(String segmentName, int size) {
        SharedMemorySegment segment = new SharedMemorySegment(segmentName, size);
        segment.create();
        segments.put(segmentName, segment);
        return segment;
    }
    
    /**
     * 附加到共享内存段
     */
    public SharedMemorySegment attachSegment(String segmentName) {
        SharedMemorySegment segment = segments.get(segmentName);
        if (segment != null) {
            segment.attach();
        }
        return segment;
    }
    
    /**
     * 写入数据到共享内存
     */
    public void writeData(String segmentName, byte[] data, int offset) {
        SharedMemorySegment segment = segments.get(segmentName);
        if (segment != null) {
            segment.write(data, offset);
        }
    }
    
    /**
     * 从共享内存读取数据
     */
    public byte[] readData(String segmentName, int offset, int length) {
        SharedMemorySegment segment = segments.get(segmentName);
        if (segment != null) {
            return segment.read(offset, length);
        }
        return null;
    }
    
    /**
     * 分离共享内存段
     */
    public void detachSegment(String segmentName) {
        SharedMemorySegment segment = segments.get(segmentName);
        if (segment != null) {
            segment.detach();
        }
    }
    
    /**
     * 删除共享内存段
     */
    public void deleteSegment(String segmentName) {
        SharedMemorySegment segment = segments.remove(segmentName);
        if (segment != null) {
            segment.delete();
        }
    }
}

/**
 * 共享内存段
 */
class SharedMemorySegment {
    private final String segmentName;
    private final int size;
    private ByteBuffer buffer;
    private final ReadWriteLock lock;
    private int referenceCount;
    
    public SharedMemorySegment(String segmentName, int size) {
        this.segmentName = segmentName;
        this.size = size;
        this.lock = new ReentrantReadWriteLock();
        this.referenceCount = 0;
    }
    
    public void create() {
        try {
            // 创建共享内存段
            buffer = ByteBuffer.allocateDirect(size);
            System.out.println("创建共享内存段: " + segmentName + ", 大小: " + size);
        } catch (Exception e) {
            throw new RuntimeException("创建共享内存段失败", e);
        }
    }
    
    public void attach() {
        lock.writeLock().lock();
        try {
            referenceCount++;
            System.out.println("附加到共享内存段: " + segmentName + ", 引用计数: " + referenceCount);
        } finally {
            lock.writeLock().unlock();
        }
    }
    
    public void detach() {
        lock.writeLock().lock();
        try {
            referenceCount--;
            System.out.println("分离共享内存段: " + segmentName + ", 引用计数: " + referenceCount);
        } finally {
            lock.writeLock().unlock();
        }
    }
    
    public void write(byte[] data, int offset) {
        lock.writeLock().lock();
        try {
            if (offset + data.length > size) {
                throw new IllegalArgumentException("写入数据超出共享内存段大小");
            }
            
            buffer.position(offset);
            buffer.put(data);
        } finally {
            lock.writeLock().unlock();
        }
    }
    
    public byte[] read(int offset, int length) {
        lock.readLock().lock();
        try {
            if (offset + length > size) {
                throw new IllegalArgumentException("读取数据超出共享内存段大小");
            }
            
            byte[] data = new byte[length];
            buffer.position(offset);
            buffer.get(data);
            return data;
        } finally {
            lock.readLock().unlock();
        }
    }
    
    public void delete() {
        lock.writeLock().lock();
        try {
            if (referenceCount > 0) {
                throw new IllegalStateException("共享内存段仍在使用中，无法删除");
            }
            
            buffer = null;
            System.out.println("删除共享内存段: " + segmentName);
        } finally {
            lock.writeLock().unlock();
        }
    }
    
    public int getSize() { return size; }
    public int getReferenceCount() { return referenceCount; }
}

/**
 * 内存分配器
 */
class MemoryAllocator {
    private final Map<String, MemoryBlock> allocatedBlocks;
    
    public MemoryAllocator() {
        this.allocatedBlocks = new ConcurrentHashMap<>();
    }
    
    public MemoryBlock allocate(String blockName, int size) {
        MemoryBlock block = new MemoryBlock(blockName, size);
        allocatedBlocks.put(blockName, block);
        return block;
    }
    
    public void deallocate(String blockName) {
        MemoryBlock block = allocatedBlocks.remove(blockName);
        if (block != null) {
            block.free();
        }
    }
}

/**
 * 内存块
 */
class MemoryBlock {
    private final String blockName;
    private final int size;
    private final ByteBuffer buffer;
    
    public MemoryBlock(String blockName, int size) {
        this.blockName = blockName;
        this.size = size;
        this.buffer = ByteBuffer.allocateDirect(size);
    }
    
    public void free() {
        // 释放内存
        System.out.println("释放内存块: " + blockName);
    }
    
    public ByteBuffer getBuffer() { return buffer; }
    public int getSize() { return size; }
}

/**
 * 信号量管理器
 * 实现POSIX和System V信号量
 */
public class SemaphoreManager {
    private final Map<String, Semaphore> semaphores;
    private final ExecutorService executorService;
    
    public SemaphoreManager() {
        this.semaphores = new ConcurrentHashMap<>();
        this.executorService = Executors.newCachedThreadPool();
    }
    
    /**
     * 创建信号量
     */
    public Semaphore createSemaphore(String semaphoreName, int initialValue) {
        Semaphore semaphore = new Semaphore(initialValue);
        semaphores.put(semaphoreName, semaphore);
        return semaphore;
    }
    
    /**
     * 获取信号量
     */
    public void acquire(String semaphoreName) {
        Semaphore semaphore = semaphores.get(semaphoreName);
        if (semaphore != null) {
            try {
                semaphore.acquire();
            } catch (InterruptedException e) {
                Thread.currentThread().interrupt();
                throw new RuntimeException("获取信号量被中断", e);
            }
        }
    }
    
    /**
     * 释放信号量
     */
    public void release(String semaphoreName) {
        Semaphore semaphore = semaphores.get(semaphoreName);
        if (semaphore != null) {
            semaphore.release();
        }
    }
    
    /**
     * 尝试获取信号量
     */
    public boolean tryAcquire(String semaphoreName) {
        Semaphore semaphore = semaphores.get(semaphoreName);
        if (semaphore != null) {
            return semaphore.tryAcquire();
        }
        return false;
    }
    
    /**
     * 尝试获取信号量（带超时）
     */
    public boolean tryAcquire(String semaphoreName, long timeout, TimeUnit unit) {
        Semaphore semaphore = semaphores.get(semaphoreName);
        if (semaphore != null) {
            try {
                return semaphore.tryAcquire(timeout, unit);
            } catch (InterruptedException e) {
                Thread.currentThread().interrupt();
                return false;
            }
        }
        return false;
    }
    
    /**
     * 获取可用许可数
     */
    public int getAvailablePermits(String semaphoreName) {
        Semaphore semaphore = semaphores.get(semaphoreName);
        if (semaphore != null) {
            return semaphore.availablePermits();
        }
        return 0;
    }
    
    /**
     * 删除信号量
     */
    public void deleteSemaphore(String semaphoreName) {
        semaphores.remove(semaphoreName);
    }
}

/**
 * 互斥锁
 */
class Mutex {
    private final Semaphore semaphore;
    private final String mutexName;
    
    public Mutex(String mutexName) {
        this.mutexName = mutexName;
        this.semaphore = new Semaphore(1);
    }
    
    public void lock() {
        try {
            semaphore.acquire();
        } catch (InterruptedException e) {
            Thread.currentThread().interrupt();
            throw new RuntimeException("获取互斥锁被中断", e);
        }
    }
    
    public void unlock() {
        semaphore.release();
    }
    
    public boolean tryLock() {
        return semaphore.tryAcquire();
    }
    
    public boolean tryLock(long timeout, TimeUnit unit) {
        try {
            return semaphore.tryAcquire(timeout, unit);
        } catch (InterruptedException e) {
            Thread.currentThread().interrupt();
            return false;
        }
    }
}

/**
 * 条件变量
 */
class ConditionVariable {
    private final Object monitor;
    private final String conditionName;
    
    public ConditionVariable(String conditionName) {
        this.conditionName = conditionName;
        this.monitor = new Object();
    }
    
    public void wait() throws InterruptedException {
        synchronized (monitor) {
            monitor.wait();
        }
    }
    
    public void wait(long timeout) throws InterruptedException {
        synchronized (monitor) {
            monitor.wait(timeout);
        }
    }
    
    public void signal() {
        synchronized (monitor) {
            monitor.notify();
        }
    }
    
    public void signalAll() {
        synchronized (monitor) {
            monitor.notifyAll();
        }
    }
}

/**
 * 屏障
 */
class Barrier {
    private final int parties;
    private final CyclicBarrier barrier;
    private final String barrierName;
    
    public Barrier(String barrierName, int parties) {
        this.barrierName = barrierName;
        this.parties = parties;
        this.barrier = new CyclicBarrier(parties);
    }
    
    public void await() throws InterruptedException, BrokenBarrierException {
        barrier.await();
    }
    
    public void await(long timeout, TimeUnit unit) throws InterruptedException, BrokenBarrierException, TimeoutException {
        barrier.await(timeout, unit);
    }
    
    public void reset() {
        barrier.reset();
    }
    
    public int getParties() { return parties; }
    public int getNumberWaiting() { return barrier.getNumberWaiting(); }
}

/**
 * 套接字通信管理器
 * 实现本地套接字和网络套接字通信
 */
public class SocketCommunicationManager {
    private final Map<String, SocketChannel> channels;
    private final ExecutorService executorService;
    private final MessageSerializer serializer;
    
    public SocketCommunicationManager() {
        this.channels = new ConcurrentHashMap<>();
        this.executorService = Executors.newCachedThreadPool();
        this.serializer = new MessageSerializer();
    }
    
    /**
     * 创建服务器套接字
     */
    public ServerSocketChannel createServerSocket(String socketName, int port) {
        try {
            ServerSocketChannel serverChannel = ServerSocketChannel.open();
            serverChannel.bind(new InetSocketAddress(port));
            serverChannel.configureBlocking(false);
            
            // 启动接受连接的任务
            executorService.submit(() -> acceptConnections(serverChannel, socketName));
            
            return serverChannel;
        } catch (IOException e) {
            throw new RuntimeException("创建服务器套接字失败", e);
        }
    }
    
    /**
     * 创建客户端套接字
     */
    public SocketChannel createClientSocket(String socketName, String host, int port) {
        try {
            SocketChannel clientChannel = SocketChannel.open();
            clientChannel.connect(new InetSocketAddress(host, port));
            clientChannel.configureBlocking(false);
            
            channels.put(socketName, clientChannel);
            return clientChannel;
        } catch (IOException e) {
            throw new RuntimeException("创建客户端套接字失败", e);
        }
    }
    
    /**
     * 发送数据
     */
    public void sendData(String socketName, Object data) {
        SocketChannel channel = channels.get(socketName);
        if (channel != null) {
            try {
                byte[] serializedData = serializer.serialize(data);
                ByteBuffer buffer = ByteBuffer.wrap(serializedData);
                
                while (buffer.hasRemaining()) {
                    channel.write(buffer);
                }
            } catch (Exception e) {
                throw new RuntimeException("发送数据失败", e);
            }
        }
    }
    
    /**
     * 接收数据
     */
    public <T> T receiveData(String socketName, Class<T> dataType) {
        SocketChannel channel = channels.get(socketName);
        if (channel != null) {
            try {
                ByteBuffer buffer = ByteBuffer.allocate(1024);
                int bytesRead = channel.read(buffer);
                
                if (bytesRead > 0) {
                    buffer.flip();
                    byte[] data = new byte[bytesRead];
                    buffer.get(data);
                    return serializer.deserialize(data, dataType);
                }
            } catch (Exception e) {
                throw new RuntimeException("接收数据失败", e);
            }
        }
        return null;
    }
    
    /**
     * 异步发送数据
     */
    public CompletableFuture<Void> sendDataAsync(String socketName, Object data) {
        return CompletableFuture.runAsync(() -> {
            sendData(socketName, data);
        }, executorService);
    }
    
    /**
     * 异步接收数据
     */
    public <T> CompletableFuture<T> receiveDataAsync(String socketName, Class<T> dataType) {
        return CompletableFuture.supplyAsync(() -> {
            return receiveData(socketName, dataType);
        }, executorService);
    }
    
    /**
     * 接受连接
     */
    private void acceptConnections(ServerSocketChannel serverChannel, String socketName) {
        try {
            while (true) {
                SocketChannel clientChannel = serverChannel.accept();
                if (clientChannel != null) {
                    String clientName = socketName + "_client_" + System.currentTimeMillis();
                    channels.put(clientName, clientChannel);
                    
                    // 启动处理客户端连接的任务
                    executorService.submit(() -> handleClientConnection(clientChannel, clientName));
                }
            }
        } catch (IOException e) {
            System.err.println("接受连接失败: " + e.getMessage());
        }
    }
    
    /**
     * 处理客户端连接
     */
    private void handleClientConnection(SocketChannel clientChannel, String clientName) {
        try {
            while (clientChannel.isConnected()) {
                ByteBuffer buffer = ByteBuffer.allocate(1024);
                int bytesRead = clientChannel.read(buffer);
                
                if (bytesRead > 0) {
                    buffer.flip();
                    byte[] data = new byte[bytesRead];
                    buffer.get(data);
                    
                    // 处理接收到的数据
                    processReceivedData(clientName, data);
                }
            }
        } catch (IOException e) {
            System.err.println("处理客户端连接失败: " + e.getMessage());
        } finally {
            try {
                clientChannel.close();
                channels.remove(clientName);
            } catch (IOException e) {
                System.err.println("关闭客户端连接失败: " + e.getMessage());
            }
        }
    }
    
    /**
     * 处理接收到的数据
     */
    private void processReceivedData(String clientName, byte[] data) {
        // 实现数据处理逻辑
        System.out.println("从客户端 " + clientName + " 接收到数据: " + data.length + " 字节");
    }
    
    /**
     * 关闭套接字
     */
    public void closeSocket(String socketName) {
        SocketChannel channel = channels.remove(socketName);
        if (channel != null) {
            try {
                channel.close();
            } catch (IOException e) {
                System.err.println("关闭套接字失败: " + e.getMessage());
            }
        }
    }
}

/**
 * 企业级IPC架构管理器
 * 集成所有IPC机制，提供统一的通信接口
 */
public class EnterpriseIPCArchitecture {
    private final PipeCommunicationManager pipeManager;
    private final MessageQueueManager messageQueueManager;
    private final SharedMemoryManager sharedMemoryManager;
    private final SemaphoreManager semaphoreManager;
    private final SocketCommunicationManager socketManager;
    private final IPCPerformanceMonitor performanceMonitor;
    private final IPCSecurityManager securityManager;
    
    public EnterpriseIPCArchitecture() {
        this.pipeManager = new PipeCommunicationManager();
        this.messageQueueManager = new MessageQueueManager();
        this.sharedMemoryManager = new SharedMemoryManager();
        this.semaphoreManager = new SemaphoreManager();
        this.socketManager = new SocketCommunicationManager();
        this.performanceMonitor = new IPCPerformanceMonitor();
        this.securityManager = new IPCSecurityManager();
        
        // 初始化架构
        initializeArchitecture();
    }
    
    /**
     * 初始化架构
     */
    private void initializeArchitecture() {
        // 启动性能监控
        performanceMonitor.startMonitoring();
        
        // 配置安全管理
        securityManager.configureSecurity();
        
        // 配置IPC策略
        configureIPCStrategies();
    }
    
    /**
     * 配置IPC策略
     */
    private void configureIPCStrategies() {
        // 根据通信需求配置不同的IPC机制
        Map<String, IPCStrategy> strategies = new HashMap<>();
        strategies.put("high_performance", new HighPerformanceIPCStrategy());
        strategies.put("reliable", new ReliableIPCStrategy());
        strategies.put("secure", new SecureIPCStrategy());
        strategies.put("scalable", new ScalableIPCStrategy());
        
        // 应用策略
        for (IPCStrategy strategy : strategies.values()) {
            strategy.configure();
        }
    }
    
    /**
     * 执行IPC操作
     */
    public IPCResponse executeOperation(IPCRequest request) {
        try {
            // 记录操作开始
            long startTime = System.currentTimeMillis();
            
            // 根据操作类型选择IPC机制
            IPCResponse response;
            switch (request.getOperationType()) {
                case PIPE_COMMUNICATION:
                    response = executePipeOperation(request);
                    break;
                case MESSAGE_QUEUE:
                    response = executeMessageQueueOperation(request);
                    break;
                case SHARED_MEMORY:
                    response = executeSharedMemoryOperation(request);
                    break;
                case SOCKET_COMMUNICATION:
                    response = executeSocketOperation(request);
                    break;
                default:
                    throw new IllegalArgumentException("不支持的操作类型: " + request.getOperationType());
            }
            
            // 记录操作结束
            long endTime = System.currentTimeMillis();
            response.setExecutionTime(endTime - startTime);
            
            // 记录性能指标
            performanceMonitor.recordOperation(request, response);
            
            return response;
            
        } catch (Exception e) {
            return IPCResponse.error("IPC操作执行失败: " + e.getMessage());
        }
    }
    
    /**
     * 执行管道操作
     */
    private IPCResponse executePipeOperation(IPCRequest request) {
        try {
            if (request.getAction() == IPCAction.SEND) {
                pipeManager.sendData(request.getTargetName(), request.getData());
                return IPCResponse.success("管道数据发送成功");
            } else if (request.getAction() == IPCAction.RECEIVE) {
                byte[] data = pipeManager.receiveData(request.getTargetName());
                return IPCResponse.success(data);
            }
        } catch (Exception e) {
            return IPCResponse.error("管道操作失败: " + e.getMessage());
        }
        return IPCResponse.error("不支持的管道操作");
    }
    
    /**
     * 执行消息队列操作
     */
    private IPCResponse executeMessageQueueOperation(IPCRequest request) {
        try {
            if (request.getAction() == IPCAction.SEND) {
                messageQueueManager.sendMessage(request.getTargetName(), request.getData(), request.getPriority());
                return IPCResponse.success("消息发送成功");
            } else if (request.getAction() == IPCAction.RECEIVE) {
                Object message = messageQueueManager.receiveMessage(request.getTargetName(), Object.class);
                return IPCResponse.success(message);
            }
        } catch (Exception e) {
            return IPCResponse.error("消息队列操作失败: " + e.getMessage());
        }
        return IPCResponse.error("不支持的消息队列操作");
    }
    
    /**
     * 执行共享内存操作
     */
    private IPCResponse executeSharedMemoryOperation(IPCRequest request) {
        try {
            if (request.getAction() == IPCAction.WRITE) {
                sharedMemoryManager.writeData(request.getTargetName(), request.getData(), request.getOffset());
                return IPCResponse.success("共享内存写入成功");
            } else if (request.getAction() == IPCAction.READ) {
                byte[] data = sharedMemoryManager.readData(request.getTargetName(), request.getOffset(), request.getLength());
                return IPCResponse.success(data);
            }
        } catch (Exception e) {
            return IPCResponse.error("共享内存操作失败: " + e.getMessage());
        }
        return IPCResponse.error("不支持的共享内存操作");
    }
    
    /**
     * 执行套接字操作
     */
    private IPCResponse executeSocketOperation(IPCRequest request) {
        try {
            if (request.getAction() == IPCAction.SEND) {
                socketManager.sendData(request.getTargetName(), request.getData());
                return IPCResponse.success("套接字数据发送成功");
            } else if (request.getAction() == IPCAction.RECEIVE) {
                Object data = socketManager.receiveData(request.getTargetName(), Object.class);
                return IPCResponse.success(data);
            }
        } catch (Exception e) {
            return IPCResponse.error("套接字操作失败: " + e.getMessage());
        }
        return IPCResponse.error("不支持的套接字操作");
    }
    
    /**
     * 获取IPC状态
     */
    public IPCStatus getIPCStatus() {
        IPCStatus status = new IPCStatus();
        
        // 收集管道状态
        status.setPipeCount(pipeManager.getPipeCount());
        
        // 收集消息队列状态
        status.setMessageQueueCount(messageQueueManager.getQueueCount());
        
        // 收集共享内存状态
        status.setSharedMemoryCount(sharedMemoryManager.getSegmentCount());
        
        // 收集套接字状态
        status.setSocketCount(socketManager.getSocketCount());
        
        // 收集性能指标
        status.setPerformanceMetrics(performanceMonitor.getPerformanceMetrics());
        
        return status;
    }
}

/**
 * IPC请求
 */
class IPCRequest {
    private final OperationType operationType;
    private final IPCAction action;
    private final String targetName;
    private final byte[] data;
    private final int priority;
    private final int offset;
    private final int length;
    private final long timestamp;
    
    public IPCRequest(OperationType operationType, IPCAction action, String targetName, byte[] data) {
        this.operationType = operationType;
        this.action = action;
        this.targetName = targetName;
        this.data = data;
        this.priority = 0;
        this.offset = 0;
        this.length = 0;
        this.timestamp = System.currentTimeMillis();
    }
    
    public IPCRequest(OperationType operationType, IPCAction action, String targetName, byte[] data, int priority) {
        this.operationType = operationType;
        this.action = action;
        this.targetName = targetName;
        this.data = data;
        this.priority = priority;
        this.offset = 0;
        this.length = 0;
        this.timestamp = System.currentTimeMillis();
    }
    
    public IPCRequest(OperationType operationType, IPCAction action, String targetName, byte[] data, int offset, int length) {
        this.operationType = operationType;
        this.action = action;
        this.targetName = targetName;
        this.data = data;
        this.priority = 0;
        this.offset = offset;
        this.length = length;
        this.timestamp = System.currentTimeMillis();
    }
    
    public OperationType getOperationType() { return operationType; }
    public IPCAction getAction() { return action; }
    public String getTargetName() { return targetName; }
    public byte[] getData() { return data; }
    public int getPriority() { return priority; }
    public int getOffset() { return offset; }
    public int getLength() { return length; }
    public long getTimestamp() { return timestamp; }
}

enum OperationType {
    PIPE_COMMUNICATION, MESSAGE_QUEUE, SHARED_MEMORY, SOCKET_COMMUNICATION
}

enum IPCAction {
    SEND, RECEIVE, READ, WRITE
}

/**
 * IPC响应
 */
class IPCResponse {
    private final boolean success;
    private final Object result;
    private final String error;
    private long executionTime;
    private final long timestamp;
    
    private IPCResponse(boolean success, Object result, String error) {
        this.success = success;
        this.result = result;
        this.error = error;
        this.timestamp = System.currentTimeMillis();
    }
    
    public static IPCResponse success(Object result) {
        return new IPCResponse(true, result, null);
    }
    
    public static IPCResponse error(String error) {
        return new IPCResponse(false, null, error);
    }
    
    public boolean isSuccess() { return success; }
    public Object getResult() { return result; }
    public String getError() { return error; }
    public long getExecutionTime() { return executionTime; }
    public void setExecutionTime(long executionTime) { this.executionTime = executionTime; }
    public long getTimestamp() { return timestamp; }
}

/**
 * IPC状态
 */
class IPCStatus {
    private int pipeCount;
    private int messageQueueCount;
    private int sharedMemoryCount;
    private int socketCount;
    private PerformanceMetrics performanceMetrics;
    
    // getters and setters
    public int getPipeCount() { return pipeCount; }
    public void setPipeCount(int pipeCount) { this.pipeCount = pipeCount; }
    public int getMessageQueueCount() { return messageQueueCount; }
    public void setMessageQueueCount(int messageQueueCount) { this.messageQueueCount = messageQueueCount; }
    public int getSharedMemoryCount() { return sharedMemoryCount; }
    public void setSharedMemoryCount(int sharedMemoryCount) { this.sharedMemoryCount = sharedMemoryCount; }
    public int getSocketCount() { return socketCount; }
    public void setSocketCount(int socketCount) { this.socketCount = socketCount; }
    public PerformanceMetrics getPerformanceMetrics() { return performanceMetrics; }
    public void setPerformanceMetrics(PerformanceMetrics performanceMetrics) { this.performanceMetrics = performanceMetrics; }
}

/**
 * IPC策略接口
 */
interface IPCStrategy {
    void configure();
    void optimize();
}

/**
 * 高性能IPC策略
 */
class HighPerformanceIPCStrategy implements IPCStrategy {
    @Override
    public void configure() {
        // 配置高性能IPC策略
    }
    
    @Override
    public void optimize() {
        // 执行性能优化
    }
}

/**
 * 可靠IPC策略
 */
class ReliableIPCStrategy implements IPCStrategy {
    @Override
    public void configure() {
        // 配置可靠IPC策略
    }
    
    @Override
    public void optimize() {
        // 执行可靠性优化
    }
}

/**
 * 安全IPC策略
 */
class SecureIPCStrategy implements IPCStrategy {
    @Override
    public void configure() {
        // 配置安全IPC策略
    }
    
    @Override
    public void optimize() {
        // 执行安全优化
    }
}

/**
 * 可扩展IPC策略
 */
class ScalableIPCStrategy implements IPCStrategy {
    @Override
    public void configure() {
        // 配置可扩展IPC策略
    }
    
    @Override
    public void optimize() {
        // 执行可扩展性优化
    }
}

/**
 * IPC性能监控器
 */
class IPCPerformanceMonitor {
    private final Map<String, Object> metrics;
    private final ScheduledExecutorService monitorExecutor;
    
    public IPCPerformanceMonitor() {
        this.metrics = new ConcurrentHashMap<>();
        this.monitorExecutor = Executors.newScheduledThreadPool(2);
    }
    
    public void startMonitoring() {
        // 启动监控任务
        monitorExecutor.scheduleAtFixedRate(this::collectMetrics, 0, 60, TimeUnit.SECONDS);
    }
    
    public void recordOperation(IPCRequest request, IPCResponse response) {
        // 记录操作指标
        String key = request.getOperationType().name() + "_" + request.getAction().name();
        metrics.put(key, response.getExecutionTime());
    }
    
    public PerformanceMetrics getPerformanceMetrics() {
        // 获取性能指标
        return new PerformanceMetrics();
    }
    
    private void collectMetrics() {
        // 收集系统指标
    }
}

/**
 * IPC安全管理器
 */
class IPCSecurityManager {
    public void configureSecurity() {
        // 配置IPC安全策略
    }
    
    public boolean authenticate(String processId, String credentials) {
        // 实现进程认证
        return true;
    }
    
    public boolean authorize(String processId, String resource, String action) {
        // 实现资源授权
        return true;
    }
}

/**
 * 性能指标
 */
class PerformanceMetrics {
    private long totalOperations;
    private double averageResponseTime;
    private long maxResponseTime;
    private double errorRate;
    
    // getters and setters
    public long getTotalOperations() { return totalOperations; }
    public void setTotalOperations(long totalOperations) { this.totalOperations = totalOperations; }
    public double getAverageResponseTime() { return averageResponseTime; }
    public void setAverageResponseTime(double averageResponseTime) { this.averageResponseTime = averageResponseTime; }
    public long getMaxResponseTime() { return maxResponseTime; }
    public void setMaxResponseTime(long maxResponseTime) { this.maxResponseTime = maxResponseTime; }
    public double getErrorRate() { return errorRate; }
    public void setErrorRate(double errorRate) { this.errorRate = errorRate; }
}