51黑料 v2.0版本的 MD5 值为：cc00ad70c70d95f274d15d4654c16262

以下内容为反编译后的 l.java 源代码，内容仅作参考

package g.e.a;

import android.text.TextUtils;
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 class l {
    public final ExecutorService a = Executors.newSingleThreadExecutor();
    public final String b;
    public final int c;

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

        @Override
        public Boolean call() {
            boolean z;
            i iVar = new i(l.this.a(), new g.e.a.t.b(), new g.e.a.s.a());
            try {
                try {
                    byte[] bytes = "ping ok".getBytes();
                    iVar.a(0L);
                    byte[] bArr = new byte[bytes.length];
                    iVar.read(bArr);
                    z = Arrays.equals(bytes, bArr);
                    String str = "Ping response: `" + new String(bArr) + "`, pinged? " + z;
                    if (str != null) {
                        TextUtils.isEmpty(str);
                    }
                } catch (n e2) {
                    f.a("Error reading ping response", e2);
                    z = false;
                }
                iVar.close();
                return Boolean.valueOf(z);
            } catch (Throwable th) {
                iVar.close();
                throw th;
            }
        }
    }

    public l(String str, int i2) {
        this.b = str;
        this.c = i2;
    }

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

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