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Port the server to RACv1.99.2 and handle logs erasing in client

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pixtaded 2025-02-09 15:32:22 +03:00
parent 61ddfc86d1
commit 57d5f5ea1e
3 changed files with 43 additions and 16 deletions
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12
src/main/java/net/pixtaded/crab/client/CrabClient.java
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@ -3,6 +3,7 @@ package net.pixtaded.crab.client;
import net.pixtaded.crab.common.Crab;
import net.pixtaded.crab.common.Logs;
import net.pixtaded.crab.common.Sanitizer;
import net.pixtaded.crab.common.Util;
import java.io.*;
import java.net.InetSocketAddress;
@ -119,13 +120,14 @@ public class CrabClient implements Crab {
private void receiveResponse(byte PID) throws IOException {
switch (PID) {
case LOGS_SIZE -> {
char[] buffer = new char[10];
int response = in.read(buffer);
String convertedString = new String(buffer).trim();
String convertedString = Util.readAsciiNumber(in);
if (!convertedString.isEmpty()) lastBufferLength = Integer.parseInt(convertedString);
} case LOGS -> {
byte[] bytes = socket.getInputStream().readNBytes(lastBufferLength - cache.sizeInBytes());
cache = new Logs(lastBufferLength, cache.content() + new String(bytes, StandardCharsets.UTF_8));
} case COMMUNICATION -> {
byte[] bytes = socket.getInputStream().readNBytes(lastBufferLength);
cache = new Logs(lastBufferLength, new String(bytes, StandardCharsets.UTF_8));
} default -> {
}
}
@ -143,8 +145,10 @@ public class CrabClient implements Crab {
private void getLogs() throws IOException {
sendPacket(LOGS_SIZE, "", true);
if (this.cache.sizeInBytes() != lastBufferLength) {
if (this.cache.sizeInBytes() < lastBufferLength) {
sendPacket(LOGS, String.valueOf(cache.sizeInBytes()), true);
} else if (this.cache.sizeInBytes() != lastBufferLength) {
sendPacket(COMMUNICATION, "", true);
}
closeConnection();
printLogs();

12
src/main/java/net/pixtaded/crab/common/Util.java Normal file
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@ -0,0 +1,12 @@
package net.pixtaded.crab.common;
import java.io.BufferedReader;
import java.io.IOException;
public class Util {
public static String readAsciiNumber(BufferedReader in) throws IOException {
char[] buffer = new char[10];
int response = in.read(buffer);
return new String(buffer).trim();
}
}

35
src/main/java/net/pixtaded/crab/server/ServerThread.java
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@ -2,6 +2,7 @@ package net.pixtaded.crab.server;
import net.pixtaded.crab.common.Logs;
import net.pixtaded.crab.common.Sanitizer;
import net.pixtaded.crab.common.Util;
import java.io.*;
import java.net.Socket;
@ -12,13 +13,12 @@ import static net.pixtaded.crab.common.PID.*;
public class ServerThread implements Runnable {
private Socket socket;
private final Socket socket;
private PrintWriter out;
private BufferedReader in;
private final BufferedReader in;
private OutputStream output;
private InputStream input;
private byte PID;
private CrabServer server;
private final InputStream input;
private final CrabServer server;
public ServerThread(Socket socket, CrabServer server) throws IOException {
this.socket = socket;
@ -50,11 +50,13 @@ public class ServerThread implements Runnable {
new Thread(new LogDBThread(date, address, msg)).start();
} case LOGS_SIZE -> {
respond(String.valueOf(server.cache.sizeInBytes()));
readPID();
sendLogs();
} default -> {
System.out.println("PID not implemented: " + PID[0]);
}
byte[] logPID = readPID();
if (logPID.length == 0) {
socket.close();
return;
}
sendLogs(logPID[0]);
} default -> System.out.println("PID not implemented: " + PID[0]);
}
socket.close();
} catch (Exception e) {
@ -66,8 +68,17 @@ public class ServerThread implements Runnable {
return input.readNBytes(1);
}
private void sendLogs() throws IOException {
respond(server.cache.content());
private void sendLogs(byte PID) throws IOException {
if (PID == COMMUNICATION) respond(server.cache.content());
if (PID == LOGS) {
String clientSize = Util.readAsciiNumber(in);
int clientSizeNum = Integer.parseInt(clientSize);
byte[] serverLogs = server.cache.content().getBytes(StandardCharsets.UTF_8);
int logPartSize = serverLogs.length - clientSizeNum;
byte[] logPart = new byte[logPartSize];
System.arraycopy(serverLogs, serverLogs.length - logPartSize, logPart, 0, logPartSize);
respond(logPart);
}
}
private void respond(byte[] data) throws IOException {