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Author SHA1 Message Date
Gustavo Henrique Miranda 9c3a1126a7 Merge pull request #11 from gmbrax/feature/implement-genre-management
Implement Genre Management with CRUD Operations
2025-11-29 06:09:44 -03:00
Gustavo Henrique Santos Souza de Miranda f70c1e1d94 Switch from EntityManager to EntityManagerFactory across repositories, managers, and services for improved resource management and thread safety. 2025-11-29 03:02:49 -03:00
Gustavo Henrique Santos Souza de Miranda 32fff9c725 Add null-safe ID handling in GenreMapper and fix minor logging format in IPCManager
- Ensure `GenreMapper` sets ID only if it's non-null and valid (> 0) to prevent potential NPEs.
- Adjust logging format in `IPCManager` for consistent indentation.
2025-11-29 02:50:07 -03:00
Gustavo Henrique Santos Souza de Miranda 7b61b2071e Implement Genre Management with CRUD Operations
- Add `Genre` entity with JPA annotations and database mapping.
- Create repository, service, and delegate handlers for Genre CRUD operations.
- Register handlers (`create_genre`, `get_genres`, `get_genre_by_id`, `update_genre`, `delete_genre`) in `DelegateActionManager`.
- Introduce Protobuf definitions for Genre messages.
- Update `DatabaseManager` to expose `EntityManager`.
- Enhance `DelegateActionManager` constructor to use `EntityManager` for handler initialization.
2025-11-28 23:33:27 -03:00
Gustavo Henrique Miranda ba53d4d8c4 Merge pull request #10 from gmbrax/refactor/add-hibernate-and-reflection-dependency
Remove `Media` entity and integrate Hibernate ORM into `DatabaseManager`:
2025-11-28 00:38:21 -03:00
Gustavo Henrique Santos Souza de Miranda 081a1f1ed4 Add exception handling for entity scanning in DatabaseManager
- Wrap entity scanning in a try-catch block to handle potential exceptions.
- Log descriptive error messages and throw a runtime exception for failure cases.
- Warn if no `@Entity` classes are found during the scan.
2025-11-27 19:20:22 -03:00
Gustavo Henrique Santos Souza de Miranda e395e21e8c Add validation for required Hibernate configuration properties in DatabaseManager
- Ensure non-null and non-empty values for `hibernate.dialect`, `database.driver`, and `connectionUrl`.
- Throw `IllegalStateException` when required properties are missing.
2025-11-27 19:08:11 -03:00
Gustavo Henrique Santos Souza de Miranda 412a590a98 Add exception handling for Hibernate initialization in DatabaseManager
- Wrap Hibernate setup in a try-catch block.
- Log errors during initialization failure with descriptive messages.
- Throw a runtime exception if setup fails to ensure proper error propagation.
2025-11-27 19:04:44 -03:00
Gustavo Henrique Santos Souza de Miranda bc0199312f Add null and open-state checks for EntityManager and EntityManagerFactory closure
- Ensure safe closure of `EntityManager` and `EntityManagerFactory`.
- Add logging for successful closure and error handling during exceptions.
2025-11-27 18:55:43 -03:00
Gustavo Henrique Santos Souza de Miranda 4ae1e3075d Remove Media entity and integrate Hibernate ORM into DatabaseManager:
- Deleted `Media` class and its annotations.
- Added Hibernate ORM initialization in `DatabaseManager`, including dynamic entity scanning and configuration.
- Updated `pom.xml` to include dependencies for Hibernate community dialects and Reflections.
2025-11-27 18:40:08 -03:00
Gustavo Henrique Miranda fc09c4e257 Merge pull request #9 from gmbrax/fix/fix-unsecure-postgres-version
Fix the pom.xml
2025-11-24 22:19:31 -03:00
Gustavo Henrique Santos Souza de Miranda 53004a3730 Fix the pom.xml to alter the postgres dependency to a safer version due a CVE in the 42.7.5 then it was bumped t0 42.7.7 2025-11-24 21:59:35 -03:00
Gustavo Henrique Miranda 7e154eb01c Merge pull request #7 from gmbrax/feature/IPC-Unix-Socket
Feature/ipc unix socket
2025-11-22 23:41:12 -03:00
Gustavo Henrique Miranda 24fadf9474 Merge pull request #6 from gmbrax/feature/add-SQLite-Implementation
Feature/add sq lite implementation
2025-11-22 23:37:31 -03:00
Gustavo Henrique Santos Souza de Miranda 269780d8cf Add CloseHandler to support graceful connection termination.
- Extend `test.proto` with `CloseCommand` and `CloseResponse` messages.
- Introduce `CloseHandler` to process "close" actions and respond with connection termination notice.
- Update `DelegateActionManager` to register `CloseHandler`.
- Refactor `IPCManager` to handle "close" response headers and terminate client connections gracefully.
2025-11-22 23:27:04 -03:00
Gustavo Henrique Santos Souza de Miranda 6576b54057 - Add HeartbeatHandler and enhance EchoHandler for Protocol Buffers support.
- Extend `test.proto` schema with heartbeat and echo message definitions.
- Register `HeartbeatHandler` in `DelegateActionManager`.
- Refactor Log4j2 configuration to standardize log levels.
- Optimize client wait time in `IPCManager` for reduced latency.
2025-11-22 02:29:28 -03:00
Gustavo Henrique Santos Souza de Miranda 2704be31bc Fix logging library dependency in pom.xml: replace log4j-slf4j2-impl with log4j-slf4j-impl. 2025-11-21 18:19:38 -03:00
Gustavo Henrique Santos Souza de Miranda dc4b6cbdfa Add SQLite support with SqliteDatabaseManager and application mode handling:
- Created `SqliteDatabaseManager` for SQLite database initialization and management.
- Refactored `DatabaseManager` into an abstract class to support different database implementations.
- Introduced `ApplicationMode` enum to switch between `local` and `server` modes.
- Updated `MediaManagerApplication` to handle `runtype` configuration and initialize SQLite in `local` mode.
- Updated `config.properties.example` with new `runtype` property.
- Added SQLite JDBC dependency to `pom.xml`.
2025-11-21 18:03:20 -03:00
24 changed files with 1033 additions and 273 deletions
+15 -6
View File
@@ -13,7 +13,7 @@
<maven.compiler.target>17</maven.compiler.target>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<hibernate.version>7.1.7.Final</hibernate.version>
<postgresql.version>42.7.5</postgresql.version>
<postgresql.version>42.7.7</postgresql.version>
<hikaricp.version>5.1.0</hikaricp.version>
<log4j.version>2.23.1</log4j.version>
<junit.version>5.10.2</junit.version>
@@ -35,6 +35,12 @@
<version>${hibernate.version}</version>
</dependency>
<dependency>
<groupId>org.hibernate.orm</groupId>
<artifactId>hibernate-community-dialects</artifactId>
<version>${hibernate.version}</version>
</dependency>
<!-- HikariCP for connection pooling -->
<dependency>
<groupId>com.zaxxer</groupId>
@@ -84,12 +90,15 @@
<version>4.32.0</version>
</dependency>
<dependency>
<groupId>io.zonky.test</groupId>
<artifactId>embedded-postgres</artifactId>
<version>2.2.0</version>
<groupId>org.xerial</groupId>
<artifactId>sqlite-jdbc</artifactId>
<version>3.44.1.0</version>
</dependency>
<dependency>
<groupId>org.reflections</groupId>
<artifactId>reflections</artifactId>
<version>0.10.2</version>
</dependency>
</dependencies>
<build>
@@ -1,5 +1,6 @@
package com.mediamanager;
import com.mediamanager.service.database.DatabaseManager;
import com.mediamanager.service.delegate.DelegateActionManager;
import com.mediamanager.service.ipc.IPCManager;
import org.apache.logging.log4j.LogManager;
@@ -9,12 +10,12 @@ import java.io.IOException;
import java.io.InputStream;
import java.util.Properties;
import com.mediamanager.service.database.LocalDatabaseManager;
import com.mediamanager.service.database.SqliteDatabaseManager;
public class MediaManagerApplication {
private static final Logger logger = LogManager.getLogger(MediaManagerApplication.class);
private static Properties config;
private static LocalDatabaseManager databaseManager;
private static DatabaseManager databaseManager;
private static DelegateActionManager actionManager;
private static IPCManager ipcManager;
@@ -52,14 +53,14 @@ public class MediaManagerApplication {
switch (mode) {
case LOCAL:
logger.info("Starting local database...");
databaseManager = new LocalDatabaseManager(config);
databaseManager = new SqliteDatabaseManager(config);
break;
case SERVER:
throw new Exception("Server mode not yet implemented");
default:
}
databaseManager.init();
actionManager = new DelegateActionManager();
actionManager = new DelegateActionManager(databaseManager.getEntityManagerFactory());
actionManager.start();
ipcManager = new IPCManager(config,actionManager);
ipcManager.init();
@@ -135,4 +136,4 @@ public class MediaManagerApplication {
public static Properties getConfig() {
return config;
}
}
}
@@ -0,0 +1,40 @@
package com.mediamanager.mapper;
import com.mediamanager.model.Genre;
import com.mediamanager.protocol.messages.GenreMessages;
public class GenreMapper {
public static GenreMessages.Genre toProtobuf(Genre entity) {
if (entity == null) {
return null;
}
GenreMessages.Genre.Builder builder = GenreMessages.Genre.newBuilder()
.setName(entity.getName());
// Only set ID when it's present and valid (> 0). Avoids NPE for null IDs.
Integer id = entity.getId();
if (id != null && id > 0) {
builder.setId(id);
}
return builder.build();
}
public static Genre toEntity(GenreMessages.Genre protobuf) {
if (protobuf == null) {
return null;
}
Genre entity = new Genre();
// Só seta ID se for > 0 (protobuf default é 0)
if (protobuf.getId() > 0) {
entity.setId(protobuf.getId());
}
entity.setName(protobuf.getName());
return entity;
}
}
@@ -0,0 +1,30 @@
package com.mediamanager.model;
import jakarta.persistence.*;
@Entity
@Table(name = "genre")
public class Genre {
@Id
@GeneratedValue(strategy = GenerationType.IDENTITY)
private Integer id;
@Column(nullable = false)
private String name;
public Integer getId() {
return id;
}
public void setId(Integer id) {
this.id = id;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
}
@@ -1,128 +0,0 @@
package com.mediamanager.model;
import jakarta.persistence.*;
import java.time.LocalDateTime;
@Entity
@Table(name = "media")
public class Media {
@Id
@GeneratedValue(strategy = GenerationType.IDENTITY)
private Long id;
@Column(nullable = false)
private String title;
@Column(nullable = false, unique = true)
private String filePath;
@Enumerated(EnumType.STRING)
@Column(nullable = false)
private MediaType type;
@Column
private Long fileSize;
@Column
private String mimeType;
@Column(name = "created_at", nullable = false, updatable = false)
private LocalDateTime createdAt;
@Column(name = "updated_at")
private LocalDateTime updatedAt;
@PrePersist
protected void onCreate() {
createdAt = LocalDateTime.now();
updatedAt = LocalDateTime.now();
}
@PreUpdate
protected void onUpdate() {
updatedAt = LocalDateTime.now();
}
// Constructors
public Media() {}
public Media(String title, String filePath, MediaType type) {
this.title = title;
this.filePath = filePath;
this.type = type;
}
// Getters and Setters
public Long getId() {
return id;
}
public void setId(Long id) {
this.id = id;
}
public String getTitle() {
return title;
}
public void setTitle(String title) {
this.title = title;
}
public String getFilePath() {
return filePath;
}
public void setFilePath(String filePath) {
this.filePath = filePath;
}
public MediaType getType() {
return type;
}
public void setType(MediaType type) {
this.type = type;
}
public Long getFileSize() {
return fileSize;
}
public void setFileSize(Long fileSize) {
this.fileSize = fileSize;
}
public String getMimeType() {
return mimeType;
}
public void setMimeType(String mimeType) {
this.mimeType = mimeType;
}
public LocalDateTime getCreatedAt() {
return createdAt;
}
public void setCreatedAt(LocalDateTime createdAt) {
this.createdAt = createdAt;
}
public LocalDateTime getUpdatedAt() {
return updatedAt;
}
public void setUpdatedAt(LocalDateTime updatedAt) {
this.updatedAt = updatedAt;
}
public enum MediaType {
VIDEO,
AUDIO,
IMAGE,
DOCUMENT,
OTHER
}
}
@@ -0,0 +1,121 @@
package com.mediamanager.repository;
import com.mediamanager.model.Genre;
import jakarta.persistence.EntityManager;
import jakarta.persistence.EntityManagerFactory;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import java.util.List;
import java.util.Optional;
/**
* Repository para acesso a dados de Genre
* Encapsula todas as operações de banco de dados
*/
public class GenreRepository {
private static final Logger logger = LogManager.getLogger(GenreRepository.class);
private final EntityManagerFactory entityManagerFactory;
public GenreRepository(EntityManagerFactory entityManagerFactory) {
this.entityManagerFactory = entityManagerFactory;
}
/**
* Salva um novo genre
*/
public Genre save(Genre genre) {
logger.debug("Saving genre: {}", genre.getName());
EntityManager em = entityManagerFactory.createEntityManager();
em.getTransaction().begin();
try {
em.persist(genre);
em.getTransaction().commit();
logger.debug("Genre saved with ID: {}", genre.getId());
return genre;
} catch (Exception e) {
em.getTransaction().rollback();
logger.error("Error saving genre", e);
throw e;
} finally {
if (em.isOpen()) em.close();
}
}
/**
* Busca todos os genres
*/
public List<Genre> findAll() {
logger.debug("Finding all genres");
EntityManager em = entityManagerFactory.createEntityManager();
try {
return em
.createQuery("SELECT g FROM Genre g ORDER BY g.name", Genre.class)
.getResultList();
} finally {
if (em.isOpen()) em.close();
}
}
/**
* Busca genre por ID
*/
public Optional<Genre> findById(Integer id) {
logger.debug("Finding genre by ID: {}", id);
EntityManager em = entityManagerFactory.createEntityManager();
try {
Genre genre = em.find(Genre.class, id);
return Optional.ofNullable(genre);
} finally {
if (em.isOpen()) em.close();
}
}
/**
* Atualiza um genre existente
*/
public Genre update(Genre genre) {
logger.debug("Updating genre ID: {}", genre.getId());
EntityManager em = entityManagerFactory.createEntityManager();
em.getTransaction().begin();
try {
Genre updated = em.merge(genre);
em.getTransaction().commit();
logger.debug("Genre updated successfully");
return updated;
} catch (Exception e) {
em.getTransaction().rollback();
logger.error("Error updating genre", e);
throw e;
} finally {
if (em.isOpen()) em.close();
}
}
/**
* Deleta um genre por ID
*/
public boolean deleteById(Integer id) {
logger.debug("Deleting genre by ID: {}", id);
EntityManager em = entityManagerFactory.createEntityManager();
em.getTransaction().begin();
try {
Genre genre = em.find(Genre.class, id);
if (genre == null) {
em.getTransaction().rollback();
return false;
}
em.remove(genre);
em.getTransaction().commit();
logger.debug("Genre deleted successfully");
return true;
} catch (Exception e) {
em.getTransaction().rollback();
logger.error("Error deleting genre", e);
throw e;
} finally {
if (em.isOpen()) em.close();
}
}
}
@@ -1,16 +1,24 @@
package com.mediamanager.service.database;
import jakarta.persistence.EntityManagerFactory;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.hibernate.cfg.Configuration;
import org.reflections.Reflections;
import org.reflections.scanners.Scanners;
import jakarta.persistence.Entity;
import java.util.Set;
import java.sql.Connection;
import java.sql.SQLException;
import java.sql.Statement;
import java.util.Properties;
public abstract class DatabaseManager {
protected final Properties configuration;
protected Connection connection;
protected String connectionUrl;
protected EntityManagerFactory entityManagerFactory;
protected static final Logger logger = LogManager.getLogger(DatabaseManager.class);
public DatabaseManager(Properties config) {
@@ -38,6 +46,14 @@ public abstract class DatabaseManager {
}
public void close() {
if (entityManagerFactory != null && entityManagerFactory.isOpen()) {
try {
entityManagerFactory.close();
logger.info("EntityManagerFactory closed");
} catch (Exception e) {
logger.error("Error closing EntityManagerFactory: {}", e.getMessage());
}
}
if (connection != null) {
try {
logger.info("Closing database connection...");
@@ -50,6 +66,7 @@ public abstract class DatabaseManager {
logger.debug("No database connection to close");
}
}
protected boolean testConnection() {
try (Statement stmt = connection.createStatement()) {
stmt.execute("SELECT 1");
@@ -59,4 +76,67 @@ public abstract class DatabaseManager {
return false;
}
}
}
protected void initializeHibernate() {
logger.info("Initializing Hibernate ORM...");
Configuration hibernateConfig = new Configuration();
String dialect = configuration.getProperty("hibernate.dialect");
String hbm2ddl = configuration.getProperty("hibernate.hbm2ddl.auto");
String driver = configuration.getProperty("database.driver");
if (dialect == null || dialect.isEmpty()) {
throw new IllegalStateException("hibernate.dialect property is required but not configured");
}
if (driver == null || driver.isEmpty()) {
throw new IllegalStateException("database.driver property is required but not configured");
}
if (connectionUrl == null || connectionUrl.isEmpty()) {
throw new IllegalStateException("connectionUrl must be set before initializing Hibernate");
}
hibernateConfig.setProperty("hibernate.connection.url", connectionUrl);
hibernateConfig.setProperty("hibernate.connection.driver_class", driver);
hibernateConfig.setProperty("hibernate.dialect", dialect);
hibernateConfig.setProperty("hibernate.hbm2ddl.auto", hbm2ddl);
hibernateConfig.setProperty("hibernate.show_sql",
configuration.getProperty("hibernate.show_sql", "false"));
hibernateConfig.setProperty("hibernate.format_sql",
configuration.getProperty("hibernate.format_sql", "true"));
logger.info("Scanning for entities in package: com.mediamanager.model");
Set<Class<?>> entityClasses;
try {
Reflections reflections = new Reflections("com.mediamanager.model", Scanners.TypesAnnotated);
entityClasses = reflections.getTypesAnnotatedWith(Entity.class);
} catch (Exception e) {
logger.error("Failed to scan for entities: {}", e.getMessage());
throw new RuntimeException("Entity scanning failed", e);
}
logger.info("Found {} entities", entityClasses.size());
if (entityClasses.isEmpty()) {
logger.warn("No @Entity classes found in package com.mediamanager.model - is this expected?");
}
for (Class<?> entityClass : entityClasses) {
logger.debug("Registering entity: {}", entityClass.getSimpleName());
hibernateConfig.addAnnotatedClass(entityClass);
}
try {
entityManagerFactory = hibernateConfig.buildSessionFactory().unwrap(EntityManagerFactory.class);
} catch (Exception e) {
logger.error("Failed to initialize Hibernate: {}", e.getMessage());
throw new RuntimeException("Hibernate initialization failed", e);
}
logger.info("Hibernate ORM initialized successfully");
}
public EntityManagerFactory getEntityManagerFactory() {
return entityManagerFactory;
}
}
@@ -1,87 +0,0 @@
package com.mediamanager.service.database;
import io.zonky.test.db.postgres.embedded.EmbeddedPostgres;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.sql.Connection;
import java.util.Properties;
public class LocalDatabaseManager extends DatabaseManager {
private static final Logger logger = LogManager.getLogger(LocalDatabaseManager.class);
private EmbeddedPostgres embeddedPostgres;
public LocalDatabaseManager(Properties config) {
super(config);
}
@Override
public void init() throws Exception {
logger.info("Initializing embedded PostgreSQL database...");
// Configurações específicas do modo local
String dataDir = configuration.getProperty("local.database.dir",
System.getProperty("user.home") + "/.mediamanager/db");
int port = Integer.parseInt(
configuration.getProperty("local.database.port", "54321")
);
// Cria diretório se não existir
Path dataPath = Paths.get(dataDir);
Files.createDirectories(dataPath);
logger.debug("Using data directory: {}", dataDir);
// Inicia o PostgreSQL embedded
logger.info("Starting embedded PostgreSQL on port {}", port);
embeddedPostgres = EmbeddedPostgres.builder()
.setDataDirectory(dataPath)
.setCleanDataDirectory(false) // Mantém dados
.setPort(port)
.start();
// Cria a conexão
this.connection = createConnection();
logger.info("Embedded database connection established successfully");
// Usa o método da classe pai para sanity checks
performSanityChecks();
logger.info("Database sanity checks passed successfully");
}
@Override
protected Connection createConnection() throws Exception {
if (embeddedPostgres == null) {
throw new IllegalStateException("Embedded PostgreSQL not started");
}
try {
// Pega conexão do embedded
Connection conn = embeddedPostgres.getPostgresDatabase().getConnection();
logger.debug("Got connection from embedded PostgreSQL");
return conn;
} catch (Exception e) {
logger.error("Failed to get embedded connection", e);
throw new Exception("Embedded connection failed: " + e.getMessage(), e);
}
}
@Override
public void close() {
// Primeiro fecha a conexão (método da classe pai)
super.close();
// Depois para o embedded
if (embeddedPostgres != null) {
try {
logger.info("Stopping embedded PostgreSQL...");
embeddedPostgres.close();
logger.info("Embedded PostgreSQL stopped successfully");
} catch (Exception e) {
logger.error("Error stopping embedded PostgreSQL", e);
}
}
}
}
@@ -0,0 +1,99 @@
package com.mediamanager.service.database;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;
import java.sql.Statement;
import java.util.Properties;
public class SqliteDatabaseManager extends DatabaseManager {
private static final Logger logger = LogManager.getLogger(SqliteDatabaseManager.class);
public SqliteDatabaseManager(Properties config) {
super(config);
}
@Override
public void init() throws Exception {
logger.info("Initializing SQLite database...");
String dataDir = configuration.getProperty("database.dir",
System.getProperty("user.home") + "/.mediamanager/db");
String dbFilename = configuration.getProperty("database.filename", "mediamanager.db");
String driverClassName = configuration.getProperty("database.driver", "org.sqlite.JDBC");
try {
Class.forName(driverClassName);
}catch(ClassNotFoundException e) {
logger.error("Failed to load SQLite driver", e);
throw e;
}
Path dataPath = Paths.get(dataDir);
if (!Files.exists(dataPath)) {
Files.createDirectories(dataPath);
logger.debug("Created database directory: {}", dataDir);
}
Path dbFile = dataPath.resolve(dbFilename);
this.connectionUrl = "jdbc:sqlite:" + dbFile.toAbsolutePath().toString();
logger.info("Database file path: {}", dbFile);
logger.info("Connection URL: {}", this.connectionUrl);
initializeHibernate();
this.connection = createConnection();
configurePerformancePragmas();
performSanityChecks();
ensureSchemaExists();
logger.info("SQLite database initialized successfully");
}
@Override
protected Connection createConnection() throws Exception {
try {
// O driver org.xerial.sqlite-jdbc é carregado automaticamente aqui
Connection conn = DriverManager.getConnection(this.connectionUrl);
logger.debug("Got connection to SQLite file");
return conn;
} catch (SQLException e) {
logger.error("Failed to create SQLite connection", e);
throw new Exception("SQLite connection failed: " + e.getMessage(), e);
}
}
private void configurePerformancePragmas() throws SQLException {
try (Statement stmt = connection.createStatement()) {
stmt.execute("PRAGMA journal_mode=WAL;");
stmt.execute("PRAGMA foreign_keys=ON;");
stmt.execute("PRAGMA synchronous=NORMAL;");
stmt.execute("PRAGMA busy_timeout=5000;");
logger.debug("SQLite performance PRAGMAs applied (WAL, Synchronous, ForeignKeys).");
}
}
private void ensureSchemaExists() throws SQLException {
}
@Override
public void close() {
super.close();
logger.info("SQLite resources released.");
}
}
@@ -2,7 +2,13 @@ package com.mediamanager.service.delegate;
import com.google.protobuf.ByteString;
import com.mediamanager.protocol.TransportProtocol;
import com.mediamanager.repository.GenreRepository;
import com.mediamanager.service.delegate.handler.CloseHandler;
import com.mediamanager.service.delegate.handler.EchoHandler;
import com.mediamanager.service.delegate.handler.HeartbeatHandler;
import com.mediamanager.service.delegate.handler.genre.*;
import com.mediamanager.service.genre.GenreService;
import jakarta.persistence.EntityManagerFactory;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
@@ -13,9 +19,14 @@ public class DelegateActionManager {
private static final Logger logger = LogManager.getLogger(DelegateActionManager.class);
private final Map<String, ActionHandler> handlerRegistry;
public DelegateActionManager() {
private final EntityManagerFactory entityManagerFactory;
private final GenreService genreService;
public DelegateActionManager(EntityManagerFactory entityManagerFactory) {
this.entityManagerFactory = entityManagerFactory;
GenreRepository genreRepository = new GenreRepository(entityManagerFactory);
this.genreService = new GenreService(genreRepository);
logger.debug("DelegateActionManager created");
this.handlerRegistry = new HashMap<>();
registerHandlers();
@@ -23,6 +34,13 @@ public class DelegateActionManager {
private void registerHandlers() {
handlerRegistry.put("echo",new EchoHandler());
handlerRegistry.put("heartbeat",new HeartbeatHandler());
handlerRegistry.put("close", new CloseHandler());
handlerRegistry.put("create_genre", new CreateGenreHandler(genreService));
handlerRegistry.put("get_genres", new GetGenreHandler(genreService));
handlerRegistry.put("get_genre_by_id", new GetGenreByIdHandler(genreService));
handlerRegistry.put("update_genre", new UpdateGenreHandler(genreService));
handlerRegistry.put("delete_genre", new DeleteGenreHandler(genreService));
}
public void start(){
@@ -0,0 +1,32 @@
package com.mediamanager.service.delegate.handler;
import com.google.protobuf.ByteString;
import com.google.protobuf.InvalidProtocolBufferException;
import com.mediamanager.protocol.TestProtocol.CloseCommand;
import com.mediamanager.protocol.TestProtocol.CloseResponse;
import com.mediamanager.protocol.TransportProtocol;
import com.mediamanager.service.delegate.ActionHandler;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
public class CloseHandler implements ActionHandler {
private static final Logger logger = LogManager.getLogger(CloseHandler.class);
@Override
public TransportProtocol.Response.Builder handle(ByteString requestPayload)
throws InvalidProtocolBufferException {
CloseCommand.parseFrom(requestPayload); // Valida
logger.info("Close command received - connection will close");
CloseResponse response = CloseResponse.newBuilder()
.setMessage("Connection closing. Goodbye!")
.build();
return TransportProtocol.Response.newBuilder()
.setPayload(ByteString.copyFrom(response.toByteArray()))
.setStatusCode(200)
.putHeaders("Connection", "close"); // ← Marca para fechar
}
}
@@ -1,17 +1,39 @@
package com.mediamanager.service.delegate.handler;
import com.google.protobuf.ByteString;
import com.google.protobuf.InvalidProtocolBufferException;
import com.mediamanager.protocol.TestProtocol.EchoCommand; // ← Import
import com.mediamanager.protocol.TestProtocol.EchoResponse; // ← Import
import com.mediamanager.protocol.TransportProtocol;
import com.mediamanager.service.delegate.ActionHandler;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
public class EchoHandler implements ActionHandler {
@Override
public TransportProtocol.Response.Builder handle(ByteString requestPayload) {
String payloadText = requestPayload.toStringUtf8();
String responseText = "Server received: " + payloadText;
private static final Logger logger = LogManager.getLogger(EchoHandler.class);
@Override
public TransportProtocol.Response.Builder handle(ByteString requestPayload)
throws InvalidProtocolBufferException { // ← Pode lançar exceção
// 1. Parse Protobuf bytes → EchoCommand
EchoCommand command = EchoCommand.parseFrom(requestPayload);
logger.debug("Echo received: {}", command.getMessage());
// 2. Cria EchoResponse (Protobuf)
EchoResponse echoResponse = EchoResponse.newBuilder()
.setMessage(command.getMessage())
.setServerTimestamp(System.currentTimeMillis())
.build();
// 3. Serializa EchoResponse → bytes
ByteString responsePayload = ByteString.copyFrom(echoResponse.toByteArray());
// 4. Retorna Response
return TransportProtocol.Response.newBuilder()
.setPayload(ByteString.copyFromUtf8(responseText))
.setPayload(responsePayload)
.setStatusCode(200);
}
}
@@ -0,0 +1,36 @@
package com.mediamanager.service.delegate.handler;
import com.google.protobuf.ByteString;
import com.google.protobuf.InvalidProtocolBufferException;
import com.mediamanager.protocol.TestProtocol.HeartbeatCommand;
import com.mediamanager.protocol.TestProtocol.HeartbeatResponse;
import com.mediamanager.protocol.TransportProtocol;
import com.mediamanager.service.delegate.ActionHandler;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
public class HeartbeatHandler implements ActionHandler {
private static final Logger logger = LogManager.getLogger(HeartbeatHandler.class);
@Override
public TransportProtocol.Response.Builder handle(ByteString requestPayload)
throws InvalidProtocolBufferException {
HeartbeatCommand command = HeartbeatCommand.parseFrom(requestPayload);
long serverTime = System.currentTimeMillis();
logger.debug("Heartbeat received. Client T1={}, Server T2={}",
command.getClientTimestamp(), serverTime);
HeartbeatResponse response = HeartbeatResponse.newBuilder()
.setClientTimestamp(command.getClientTimestamp()) // Echo T1
.setServerTimestamp(serverTime) // T2
.build();
return TransportProtocol.Response.newBuilder()
.setPayload(ByteString.copyFrom(response.toByteArray()))
.setStatusCode(200);
}
}
@@ -0,0 +1,60 @@
package com.mediamanager.service.delegate.handler.genre;
import com.google.protobuf.ByteString;
import com.google.protobuf.InvalidProtocolBufferException;
import com.mediamanager.mapper.GenreMapper;
import com.mediamanager.model.Genre;
import com.mediamanager.protocol.TransportProtocol;
import com.mediamanager.protocol.messages.GenreMessages;
import com.mediamanager.service.delegate.ActionHandler;
import com.mediamanager.service.genre.GenreService;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
public class CreateGenreHandler implements ActionHandler {
private static final Logger logger = LogManager.getLogger(CreateGenreHandler.class);
private final GenreService genreService;
public CreateGenreHandler(GenreService genreService) {
this.genreService = genreService;
}
@Override
public TransportProtocol.Response.Builder handle(ByteString requestPayload)
throws InvalidProtocolBufferException {
try {
// 1. Parse protobuf request
GenreMessages.CreateGenreRequest createRequest =
GenreMessages.CreateGenreRequest.parseFrom(requestPayload);
// 2. Chama service (lógica de negócio)
Genre genre = genreService.createGenre(createRequest.getName());
// 3. Converte entity para protobuf
GenreMessages.Genre genreProto = GenreMapper.toProtobuf(genre);
// 4. Cria response protobuf
GenreMessages.CreateGenreResponse createResponse =
GenreMessages.CreateGenreResponse.newBuilder()
.setGenre(genreProto)
.build();
// 5. Retorna
return TransportProtocol.Response.newBuilder()
.setPayload(createResponse.toByteString());
} catch (IllegalArgumentException e) {
logger.error("Validation error", e);
return TransportProtocol.Response.newBuilder()
.setStatusCode(400)
.setPayload(ByteString.copyFromUtf8("Validation error: " + e.getMessage()));
} catch (Exception e) {
logger.error("Error creating genre", e);
return TransportProtocol.Response.newBuilder()
.setStatusCode(500)
.setPayload(ByteString.copyFromUtf8("Error: " + e.getMessage()));
}
}
}
@@ -0,0 +1,70 @@
package com.mediamanager.service.delegate.handler.genre;
import com.google.protobuf.ByteString;
import com.google.protobuf.InvalidProtocolBufferException;
import com.mediamanager.protocol.TransportProtocol;
import com.mediamanager.protocol.messages.GenreMessages;
import com.mediamanager.service.delegate.ActionHandler;
import com.mediamanager.service.genre.GenreService;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
public class DeleteGenreHandler implements ActionHandler {
private static final Logger logger = LogManager.getLogger(DeleteGenreHandler.class);
private final GenreService genreService;
public DeleteGenreHandler(GenreService genreService) {
this.genreService = genreService;
}
@Override
public TransportProtocol.Response.Builder handle(ByteString requestPayload)
throws InvalidProtocolBufferException {
try {
// 1. Parse protobuf request
GenreMessages.DeleteGenreRequest deleteRequest =
GenreMessages.DeleteGenreRequest.parseFrom(requestPayload);
int id = deleteRequest.getId();
// 2. Deleta via service
boolean success = genreService.deleteGenre(id);
// 3. Cria response
GenreMessages.DeleteGenreResponse deleteResponse;
if (success) {
deleteResponse = GenreMessages.DeleteGenreResponse.newBuilder()
.setSuccess(true)
.setMessage("Genre deleted successfully")
.build();
return TransportProtocol.Response.newBuilder()
.setPayload(deleteResponse.toByteString());
} else {
deleteResponse = GenreMessages.DeleteGenreResponse.newBuilder()
.setSuccess(false)
.setMessage("Genre not found")
.build();
return TransportProtocol.Response.newBuilder()
.setStatusCode(404)
.setPayload(deleteResponse.toByteString());
}
} catch (Exception e) {
logger.error("Error deleting genre", e);
GenreMessages.DeleteGenreResponse deleteResponse =
GenreMessages.DeleteGenreResponse.newBuilder()
.setSuccess(false)
.setMessage("Error: " + e.getMessage())
.build();
return TransportProtocol.Response.newBuilder()
.setStatusCode(500)
.setPayload(deleteResponse.toByteString());
}
}
}
@@ -0,0 +1,64 @@
package com.mediamanager.service.delegate.handler.genre;
import com.google.protobuf.ByteString;
import com.google.protobuf.InvalidProtocolBufferException;
import com.mediamanager.mapper.GenreMapper;
import com.mediamanager.model.Genre;
import com.mediamanager.protocol.TransportProtocol;
import com.mediamanager.protocol.messages.GenreMessages;
import com.mediamanager.service.delegate.ActionHandler;
import com.mediamanager.service.genre.GenreService;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import java.util.Optional;
public class GetGenreByIdHandler implements ActionHandler {
private static final Logger logger = LogManager.getLogger(GetGenreByIdHandler.class);
private final GenreService genreService;
public GetGenreByIdHandler(GenreService genreService) {
this.genreService = genreService;
}
@Override
public TransportProtocol.Response.Builder handle(ByteString requestPayload)
throws InvalidProtocolBufferException {
try {
// 1. Parse protobuf request
GenreMessages.GetGenreByIdRequest getByIdRequest =
GenreMessages.GetGenreByIdRequest.parseFrom(requestPayload);
int id = getByIdRequest.getId();
// 2. Busca via service
Optional<Genre> genreOpt = genreService.getGenreById(id);
if (genreOpt.isEmpty()) {
logger.warn("Genre not found with ID: {}", id);
return TransportProtocol.Response.newBuilder()
.setStatusCode(404)
.setPayload(ByteString.copyFromUtf8("Genre not found"));
}
// 3. Converte para protobuf
GenreMessages.Genre genreProto = GenreMapper.toProtobuf(genreOpt.get());
GenreMessages.GetGenreByIdResponse getByIdResponse =
GenreMessages.GetGenreByIdResponse.newBuilder()
.setGenre(genreProto)
.build();
// 4. Retorna
return TransportProtocol.Response.newBuilder()
.setPayload(getByIdResponse.toByteString());
} catch (Exception e) {
logger.error("Error getting genre by ID", e);
return TransportProtocol.Response.newBuilder()
.setStatusCode(500)
.setPayload(ByteString.copyFromUtf8("Error: " + e.getMessage()));
}
}
}
@@ -0,0 +1,54 @@
package com.mediamanager.service.delegate.handler.genre;
import com.google.protobuf.ByteString;
import com.google.protobuf.InvalidProtocolBufferException;
import com.mediamanager.mapper.GenreMapper;
import com.mediamanager.model.Genre;
import com.mediamanager.protocol.TransportProtocol;
import com.mediamanager.protocol.messages.GenreMessages;
import com.mediamanager.service.delegate.ActionHandler;
import com.mediamanager.service.genre.GenreService;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import java.util.List;
public class GetGenreHandler implements ActionHandler {
private static final Logger logger = LogManager.getLogger(GetGenreHandler.class);
private final GenreService genreService;
public GetGenreHandler(GenreService genreService) {
this.genreService = genreService;
}
@Override
public TransportProtocol.Response.Builder handle(ByteString requestPayload)
throws InvalidProtocolBufferException {
try {
// 1. Busca todos os genres via service
List<Genre> genres = genreService.getAllGenres();
// 2. Converte cada Genre para protobuf
GenreMessages.GetGenresResponse.Builder responseBuilder =
GenreMessages.GetGenresResponse.newBuilder();
for (Genre genre : genres) {
GenreMessages.Genre genreProto = GenreMapper.toProtobuf(genre);
responseBuilder.addGenres(genreProto);
}
GenreMessages.GetGenresResponse getGenresResponse = responseBuilder.build();
// 3. Retorna
return TransportProtocol.Response.newBuilder()
.setPayload(getGenresResponse.toByteString());
} catch (Exception e) {
logger.error("Error getting genres", e);
return TransportProtocol.Response.newBuilder()
.setStatusCode(500)
.setPayload(ByteString.copyFromUtf8("Error: " + e.getMessage()));
}
}
}
@@ -0,0 +1,71 @@
package com.mediamanager.service.delegate.handler.genre;
import com.google.protobuf.ByteString;
import com.google.protobuf.InvalidProtocolBufferException;
import com.mediamanager.mapper.GenreMapper;
import com.mediamanager.model.Genre;
import com.mediamanager.protocol.TransportProtocol;
import com.mediamanager.protocol.messages.GenreMessages;
import com.mediamanager.service.delegate.ActionHandler;
import com.mediamanager.service.genre.GenreService;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import java.util.Optional;
public class UpdateGenreHandler implements ActionHandler {
private static final Logger logger = LogManager.getLogger(UpdateGenreHandler.class);
private final GenreService genreService;
public UpdateGenreHandler(GenreService genreService) {
this.genreService = genreService;
}
@Override
public TransportProtocol.Response.Builder handle(ByteString requestPayload)
throws InvalidProtocolBufferException {
try {
// 1. Parse protobuf request
GenreMessages.UpdateGenreRequest updateRequest =
GenreMessages.UpdateGenreRequest.parseFrom(requestPayload);
int id = updateRequest.getId();
String newName = updateRequest.getName();
// 2. Atualiza via service
Optional<Genre> genreOpt = genreService.updateGenre(id, newName);
if (genreOpt.isEmpty()) {
logger.warn("Genre not found with ID: {}", id);
return TransportProtocol.Response.newBuilder()
.setStatusCode(404)
.setPayload(ByteString.copyFromUtf8("Genre not found"));
}
// 3. Converte para protobuf
GenreMessages.Genre genreProto = GenreMapper.toProtobuf(genreOpt.get());
GenreMessages.UpdateGenreResponse updateResponse =
GenreMessages.UpdateGenreResponse.newBuilder()
.setGenre(genreProto)
.build();
// 4. Retorna
return TransportProtocol.Response.newBuilder()
.setPayload(updateResponse.toByteString());
} catch (IllegalArgumentException e) {
logger.error("Validation error", e);
return TransportProtocol.Response.newBuilder()
.setStatusCode(400)
.setPayload(ByteString.copyFromUtf8("Validation error: " + e.getMessage()));
} catch (Exception e) {
logger.error("Error updating genre", e);
return TransportProtocol.Response.newBuilder()
.setStatusCode(500)
.setPayload(ByteString.copyFromUtf8("Error: " + e.getMessage()));
}
}
}
@@ -0,0 +1,88 @@
package com.mediamanager.service.genre;
import com.mediamanager.model.Genre;
import com.mediamanager.repository.GenreRepository;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import java.util.List;
import java.util.Optional;
/**
* Service para lógica de negócio relacionada a Genre
*/
public class GenreService {
private static final Logger logger = LogManager.getLogger(GenreService.class);
private final GenreRepository genreRepository;
public GenreService(GenreRepository genreRepository) {
this.genreRepository = genreRepository;
}
/**
* Cria um novo genre
*/
public Genre createGenre(String name) {
logger.info("Creating genre: {}", name);
// Aqui poderia ter validações de negócio
if (name == null || name.trim().isEmpty()) {
throw new IllegalArgumentException("Genre name cannot be empty");
}
Genre genre = new Genre();
genre.setName(name.trim());
return genreRepository.save(genre);
}
/**
* Busca todos os genres
*/
public List<Genre> getAllGenres() {
logger.info("Getting all genres");
return genreRepository.findAll();
}
/**
* Busca genre por ID
*/
public Optional<Genre> getGenreById(Integer id) {
logger.info("Getting genre by ID: {}", id);
return genreRepository.findById(id);
}
/**
* Atualiza um genre existente
*/
public Optional<Genre> updateGenre(Integer id, String name) {
logger.info("Updating genre ID {}: {}", id, name);
// Validação
if (name == null || name.trim().isEmpty()) {
throw new IllegalArgumentException("Genre name cannot be empty");
}
Optional<Genre> existingGenre = genreRepository.findById(id);
if (existingGenre.isEmpty()) {
logger.warn("Genre not found with ID: {}", id);
return Optional.empty();
}
Genre genre = existingGenre.get();
genre.setName(name.trim());
Genre updated = genreRepository.update(genre);
return Optional.of(updated);
}
/**
* Deleta um genre por ID
*/
public boolean deleteGenre(Integer id) {
logger.info("Deleting genre ID: {}", id);
return genreRepository.deleteById(id);
}
}
@@ -125,7 +125,7 @@ public class IPCManager {
}
logger.info("Closing IPC connection...");
logger.info("Closing IPC connection...");
running.set(false);
if (serverChannel != null && serverChannel.isOpen()) {
@@ -185,7 +185,7 @@ public class IPCManager {
// Nenhum cliente conectado no momento
// Dorme por um curto período antes de verificar novamente
// Isso evita consumir CPU desnecessariamente em um loop vazio
Thread.sleep(100); // 100 milissegundos
Thread.sleep(1); // 1 milissegundos
}
} catch (InterruptedException e) {
@@ -223,9 +223,16 @@ public class IPCManager {
logger.debug("Client {} handler thread started", clientId);
try {
TransportProtocol.Request request = readRequest(channel);
// LOOP: processa múltiplas requests na mesma conexão
while (channel.isOpen()) {
TransportProtocol.Request request = readRequest(channel);
if (request == null) {
// Cliente desconectou gracefully
logger.info("Client {} disconnected (end of stream)", clientId);
break;
}
if (request != null) {
logger.info("Client {} sent request {}", clientId, request.getRequestId());
// Processa usando o DelegateActionManager
@@ -233,17 +240,29 @@ public class IPCManager {
// Envia resposta de volta
writeResponse(channel, response);
logger.info("Client {} response sent", clientId);
} else {
logger.warn("Client {} sent null message", clientId);
// Verifica se é comando CLOSE
String connectionHeader = response.getHeadersOrDefault("Connection", "");
if ("close".equals(connectionHeader)) {
logger.info("Client {} requested connection close", clientId);
break; // Sai do loop e fecha
}
}
} catch (IOException e) {
if (channel.isOpen()) {
logger.error("IO error handling client {}", clientId, e);
} else {
logger.debug("Client {} connection closed by peer", clientId);
}
} catch (Exception e) {
logger.error("Error handling client {}", clientId, e);
logger.error("Unexpected error handling client {}", clientId, e);
} finally {
try {
channel.close();
if (channel.isOpen()) {
channel.close();
}
logger.debug("Client {} channel closed", clientId);
} catch (IOException e) {
logger.error("Error closing client {} channel", clientId, e);
+53
View File
@@ -0,0 +1,53 @@
syntax = "proto3";
option java_package = "com.mediamanager.protocol.messages";
option java_outer_classname = "GenreMessages";
package mediamanager.messages;
message Genre {
int32 id = 1;
string name = 2;
}
message CreateGenreRequest {
string name = 1;
}
message CreateGenreResponse {
Genre genre = 1;
}
message GetGenresRequest {
}
message GetGenresResponse {
repeated Genre genres = 1;
}
message GetGenreByIdRequest {
int32 id = 1;
}
message GetGenreByIdResponse {
Genre genre = 1;
}
message UpdateGenreRequest {
int32 id = 1;
string name = 2; // Novo nome
}
message UpdateGenreResponse {
Genre genre = 1; // Genre atualizado
}
message DeleteGenreRequest {
int32 id = 1;
}
message DeleteGenreResponse {
bool success = 1;
string message = 2;
}
+30
View File
@@ -0,0 +1,30 @@
syntax = "proto3";
option java_package = "com.mediamanager.protocol";
option java_outer_classname = "TestProtocol";
package mediamanager.test;
message EchoCommand {
string message = 1;
}
message EchoResponse {
string message = 1;
int64 server_timestamp = 2;
}
message HeartbeatCommand {
int64 client_timestamp = 1;
}
message HeartbeatResponse {
int64 client_timestamp = 1;
int64 server_timestamp = 2;
}
message CloseCommand {
// Vazio - apenas sinaliza fechamento
}
message CloseResponse {
string message = 1;
}
+3 -2
View File
@@ -21,7 +21,8 @@ hibernate.format_sql=true
ipc.pipe.name=mediamanager-pipe
ipc.pipe.path=/tmp/mediamanager
ipc.buffer.size=8192
ipc.socket.path=/tmp/mediamanager
runtype=local
ipc.socket.path=/tmp/mediamanager
+3 -26
View File
@@ -18,40 +18,17 @@
</Appenders>
<Loggers>
<Logger name="com.mediamanager" level="debug" additivity="false">
<Logger name="com.mediamanager" level="INFO" additivity="false">
<AppenderRef ref="Console"/>
<AppenderRef ref="FileAppender"/>
</Logger>
<Logger name="org.hibernate" level="info" additivity="false">
<AppenderRef ref="Console"/>
<AppenderRef ref="FileAppender"/>
</Logger>
<Logger name="io.zonky.test" level="INFO" additivity="false">
<AppenderRef ref="Console"/>
<AppenderRef ref="FileAppender"/>
</Logger>
<!-- PostgreSQL JDBC Driver -->
<Logger name="org.postgresql" level="WARN" additivity="false">
<AppenderRef ref="Console"/>
<AppenderRef ref="FileAppender"/>
</Logger>
<!-- Processo do PostgreSQL embedded -->
<Logger name="org.postgresql.embedded" level="INFO" additivity="false">
<AppenderRef ref="Console"/>
<AppenderRef ref="FileAppender"/>
</Logger>
<!-- HikariCP Connection Pool -->
<Logger name="com.zaxxer.hikari" level="INFO" additivity="false">
<Logger name="org.hibernate" level="INFO" additivity="false">
<AppenderRef ref="Console"/>
<AppenderRef ref="FileAppender"/>
</Logger>
<Root level="info">
<Root level="INFO">
<AppenderRef ref="Console"/>
<AppenderRef ref="FileAppender"/>
</Root>