/*
 * Copyright (C) 2024 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.khronos.cts.testercore;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
public class KhronosCTSTestLogParser{
    static {
        System.loadLibrary("khronosopenglcts");
    }
    private long                        m_nativePointer;
    private KhronosCTSInstrumentation   m_instrumentation;
    private FileInputStream             m_log;
    private String                      m_logFileName;
    private byte[]                      m_buffer;
    private long                        m_logRead;
    public KhronosCTSTestLogParser()
    {
        m_nativePointer = 0;
        m_instrumentation = null;
        m_log = null;
        m_logRead = 0;
        m_buffer = null;
    }
    public void init (KhronosCTSInstrumentation instrumentation, String logFileName, boolean logData) throws FileNotFoundException
    {
        assert instrumentation != null;
        assert m_instrumentation == null;
        assert m_nativePointer == 0;
        assert m_log == null;
        m_logFileName = logFileName;
        m_instrumentation = instrumentation;
        m_nativePointer = nativeCreate(logData);
        m_buffer = new byte[4*1024*1024];
        m_log = new FileInputStream(m_logFileName);
    }
    public void deinit () throws IOException
    {
        assert m_nativePointer != 0;
        assert m_instrumentation != null;
        assert m_log != null;
        nativeDestroy(m_nativePointer);
        if (m_log != null)
        {
            m_log.close();
        }
        m_nativePointer = 0;
        m_instrumentation = null;
        m_log = null;
        m_buffer = null;
    }
    public boolean parse() throws IOException
    {
        assert m_nativePointer != 0;
        assert m_instrumentation != null;
        assert m_log != null;
        boolean gotData = false;
        while (true)
        {
            final int numAvailable = m_log.available();
            if (numAvailable <= 0)
                break;
            final int numRead = m_log.read(m_buffer, 0, Math.min(numAvailable, m_buffer.length));
            assert numRead > 0;
            m_logRead += numRead;
            gotData = true;
            nativeParse(m_nativePointer, m_instrumentation, m_buffer, numRead);
        }
        return gotData;
    }
    private static native long nativeCreate (boolean logData);
    private static native void nativeDestroy (long nativePointer);
    private static native void nativeParse (long nativePointer, KhronosCTSInstrumentation instrumentation, byte[] buffer, int size);
}