밤친구 v4.7.3版本的 MD5 值为：a58175795b36d9d722726efa7eb4c52a

以下内容为反编译后的 n.java 源代码，内容仅作参考

package w;

import java.io.IOException;
import java.io.OutputStream;
import java.net.Socket;
import java.util.Arrays;
import java.util.Locale;
import java.util.concurrent.Callable;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;

public final class n {

    public final ExecutorService f17437a = Executors.newSingleThreadExecutor();

    public final String f17438b = "127.0.0.1";

    public final int f17439c;

    public class a implements Callable<Boolean> {
        public a() {
        }

        @Override
        public final Boolean call() throws Exception {
            boolean z10;
            k kVar = new k(n.this.a(), new cg.c(), new le.c());
            try {
                try {
                    byte[] bytes = "ping ok".getBytes();
                    kVar.a(0L);
                    byte[] bArr = new byte[bytes.length];
                    kVar.read(bArr);
                    z10 = Arrays.equals(bytes, bArr);
                    cl.d.O0("Ping response: `" + new String(bArr) + "`, pinged? " + z10);
                } catch (p e10) {
                    cl.d.N0("Error reading ping response", e10);
                    kVar.close();
                    z10 = false;
                }
                return Boolean.valueOf(z10);
            } finally {
                kVar.close();
            }
        }
    }

    public n(int i) {
        this.f17439c = i;
    }

    public static void b(Socket socket) throws IOException {
        OutputStream outputStream = socket.getOutputStream();
        outputStream.write("HTTP/1.1 200 OK\n\n".getBytes());
        outputStream.write("ping ok".getBytes());
    }

    public final String a() {
        return String.format(Locale.US, "http://%s:%d/%s", this.f17438b, Integer.valueOf(this.f17439c), "ping");
    }
}