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Add: Move read logic to SessionReader runnable

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This commit is contained in:
Lars Simon Winzer
2026-03-19 18:09:31 +01:00
parent 7b4fd4aeae
commit c10aaf15b5
2 changed files with 56 additions and 56 deletions
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src/main/java/ch/unibas/dmi/dbis/cs108/casono/server/network/sessions/Session.java
+2 -55
View File
@@ -1,24 +1,13 @@
package ch.unibas.dmi.dbis.cs108.casono.server.network.sessions;
import ch.unibas.dmi.dbis.cs108.casono.server.network.events.DisconnectEvent;
import ch.unibas.dmi.dbis.cs108.casono.server.network.events.EventBus;
import ch.unibas.dmi.dbis.cs108.casono.server.network.parser.PrimitiveRequest;
import ch.unibas.dmi.dbis.cs108.casono.server.network.parser.ProtocolParser;
import ch.unibas.dmi.dbis.cs108.casono.server.network.transport.RawPacket;
import ch.unibas.dmi.dbis.cs108.casono.server.network.transport.TransportLayer;
import java.io.EOFException;
import java.io.IOException;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
/** Represents a client session in the network server. */
public class Session implements Runnable {
public class Session {
private SessionId id;
private Thread thread;
private TransportLayer transport;
private Logger logger;
private Boolean running;
private EventBus eventBus;
/**
* Creates a new Session with the given transport and event bus.
@@ -27,15 +16,9 @@ public class Session implements Runnable {
* @param eventBus the event bus for publishing events
* @throws IOException if an I/O error occurs during initialization
*/
public Session(TransportLayer transport, EventBus eventBus) throws IOException {
public Session(TransportLayer transport, EventBus eventBus) {
this.id = new SessionId();
this.thread = new Thread(this, "session-" + this.id.value());
this.transport = transport;
this.running = true;
this.eventBus = eventBus;
this.logger = LogManager.getLogger(Session.class.toString() + id.value());
this.logger.info("Created new session");
}
/**
@@ -55,40 +38,4 @@ public class Session implements Runnable {
public TransportLayer getTransport() {
return transport;
}
/** Starts the session thread. */
public void start() {
thread.start();
}
/**
* Closes the session and its transport.
*
* @throws IOException if an I/O error occurs
*/
public void close() throws IOException {
transport.close();
this.running = false;
}
/** Runs the session loop, reading from the transport. */
@Override
public void run() {
while (running) {
try {
RawPacket rawPacket = transport.read();
logger.debug("Recieved: {}", rawPacket);
PrimitiveRequest primitiveRequest = ProtocolParser.parse(rawPacket);
logger.debug("Parsed request to {}", primitiveRequest);
} catch (EOFException e) {
logger.info("Client disconnected");
eventBus.publish(new DisconnectEvent(id));
break;
} catch (IOException e) {
e.printStackTrace();
break;
}
}
}
}
src/main/java/ch/unibas/dmi/dbis/cs108/casono/server/network/sessions/SessionReader.java
+53
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@@ -0,0 +1,53 @@
package ch.unibas.dmi.dbis.cs108.casono.server.network.sessions;
import ch.unibas.dmi.dbis.cs108.casono.server.network.events.DisconnectEvent;
import ch.unibas.dmi.dbis.cs108.casono.server.network.events.EventBus;
import ch.unibas.dmi.dbis.cs108.casono.server.network.parser.PrimitiveRequest;
import ch.unibas.dmi.dbis.cs108.casono.server.network.parser.ProtocolParser;
import ch.unibas.dmi.dbis.cs108.casono.server.network.parser.ProtocolParserException;
import ch.unibas.dmi.dbis.cs108.casono.server.network.transport.RawPacket;
import ch.unibas.dmi.dbis.cs108.casono.server.network.transport.TransportLayer;
import ch.unibas.dmi.dbis.cs108.casono.server.tokenizer.TokenizerException;
import java.io.EOFException;
import java.io.IOException;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
public class SessionReader implements Runnable {
private final Session session;
private final TransportLayer transport;
private final EventBus eventBus;
private final Logger logger;
public SessionReader(Session session, EventBus eventBus) {
this.session = session;
this.transport = session.getTransport();
this.eventBus = eventBus;
this.logger =
LogManager.getLogger(
SessionReader.class.toString() + "-" + session.getId().value());
}
@Override
public void run() {
while (!Thread.currentThread().isInterrupted()) {
try {
RawPacket rawPacket = transport.read();
logger.debug("Recieved: {}", rawPacket);
PrimitiveRequest primitiveRequest = ProtocolParser.parse(rawPacket);
logger.debug("Parsed request to {}", primitiveRequest);
} catch (EOFException e) {
logger.info("Client disconnected");
eventBus.publish(new DisconnectEvent(session.getId()));
break;
} catch (TokenizerException | ProtocolParserException e) {
logger.trace("Error occured while parsing request", e);
// TODO: Send error response to client
} catch (IOException e) {
logger.trace("Unexpected exception while reading from transport", e);
}
}
}
}