package com.ea.nimble;

import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.Iterator;
import java.util.LinkedList;
import java.util.ListIterator;

/* loaded from: classes2.dex */
public class ByteBufferIOStream {
    protected static final int SEGMENT_SIZE = 4096;
    protected int m_availableSegment;
    protected LinkedList<byte[]> m_buffer;
    protected boolean m_closed;
    protected ByteBufferInputStream m_input;
    protected ByteBufferOutputStream m_output;
    protected int m_readPosition;
    protected int m_writePosition;

    public void clear() {
        this.m_closed = false;
        this.m_availableSegment = 0;
        this.m_writePosition = 0;
        this.m_readPosition = 0;
    }

    public void closeIOStream() {
        this.m_closed = true;
    }

    public InputStream getInputStream() {
        return this.m_input;
    }

    public OutputStream getOutputStream() {
        return this.m_output;
    }

    public ByteBufferIOStream() {
        this(1);
    }

    public ByteBufferIOStream(int i) {
        this.m_closed = false;
        this.m_availableSegment = 0;
        this.m_writePosition = 0;
        this.m_readPosition = 0;
        this.m_buffer = new LinkedList<>();
        this.m_input = new ByteBufferInputStream();
        this.m_output = new ByteBufferOutputStream();
        int i2 = (((i <= 0 ? 1 : i) - 1) / 4096) + 1;
        for (int i3 = 0; i3 < i2; i3++) {
            this.m_buffer.add(new byte[4096]);
        }
    }

    public int available() throws IOException {
        return this.m_input.available();
    }

    public byte[] prepareSegment() {
        if (this.m_availableSegment + 1 >= this.m_buffer.size()) {
            return new byte[4096];
        }
        if (this.m_buffer.size() == 0) {
            return null;
        }
        return this.m_buffer.removeLast();
    }

    public void appendSegmentToBuffer(byte[] bArr, int i) throws IOException {
        if (this.m_writePosition == 0 && bArr.length == 4096) {
            ListIterator<byte[]> listIterator = this.m_buffer.listIterator();
            for (int i2 = 0; i2 < this.m_availableSegment; i2++) {
                listIterator.next();
            }
            listIterator.add(bArr);
            if (i != 4096) {
                this.m_writePosition = i;
                return;
            } else {
                this.m_availableSegment++;
                return;
            }
        }
        getOutputStream().write(bArr, 0, i);
    }

    public byte[] growBufferBySegment() throws IOException {
        if (this.m_writePosition != 0) {
            throw new IOException("Bad location to grow buffer");
        }
        ListIterator<byte[]> listIterator = this.m_buffer.listIterator();
        for (int i = 0; i < this.m_availableSegment; i++) {
            listIterator.next();
        }
        byte[] bArr = new byte[4096];
        listIterator.add(bArr);
        this.m_availableSegment++;
        return bArr;
    }

    public class ByteBufferInputStream extends InputStream {
        @Override // java.io.InputStream
        public boolean markSupported() {
            return false;
        }

        public ByteBufferInputStream() {
        }

        @Override // java.io.InputStream
        public int available() throws IOException {
            ByteBufferIOStream byteBufferIOStream = ByteBufferIOStream.this;
            if (byteBufferIOStream.m_closed) {
                throw new IOException("ByteBufferIOStream is closed");
            }
            return ((byteBufferIOStream.m_availableSegment * 4096) + byteBufferIOStream.m_writePosition) - byteBufferIOStream.m_readPosition;
        }

        @Override // java.io.InputStream, java.io.Closeable, java.lang.AutoCloseable
        public void close() throws IOException {
            ByteBufferIOStream.this.closeIOStream();
        }

        @Override // java.io.InputStream
        public int read(byte[] bArr) throws IOException {
            return read(bArr, 0, bArr.length);
        }

        @Override // java.io.InputStream
        public int read() throws IOException {
            if (available() <= 0) {
                throw new IOException("Nothing to read in ByteBufferIOStream");
            }
            byte[] first = ByteBufferIOStream.this.m_buffer.getFirst();
            ByteBufferIOStream byteBufferIOStream = ByteBufferIOStream.this;
            int i = byteBufferIOStream.m_readPosition;
            byte b = first[i];
            int i2 = i + 1;
            byteBufferIOStream.m_readPosition = i2;
            if (i2 >= 4096) {
                LinkedList<byte[]> linkedList = byteBufferIOStream.m_buffer;
                linkedList.add(linkedList.poll());
                ByteBufferIOStream.this.m_readPosition = 0;
                r1.m_availableSegment--;
            }
            return b;
        }

        @Override // java.io.InputStream
        public int read(byte[] bArr, int i, int i2) throws IOException {
            if (i < 0 || i2 < 0 || i + i2 > bArr.length) {
                throw new IndexOutOfBoundsException("The reading range of out of buffer boundary.");
            }
            int available = available();
            if (available <= 0) {
                return -1;
            }
            if (i2 > available) {
                i2 = available;
            }
            ByteBufferIOStream byteBufferIOStream = ByteBufferIOStream.this;
            int i3 = 4096 - byteBufferIOStream.m_readPosition;
            if (i2 < i3) {
                System.arraycopy(byteBufferIOStream.m_buffer.getFirst(), ByteBufferIOStream.this.m_readPosition, bArr, i, i2);
                ByteBufferIOStream.this.m_readPosition += i2;
            } else {
                System.arraycopy(byteBufferIOStream.m_buffer.getFirst(), ByteBufferIOStream.this.m_readPosition, bArr, i, i3);
                LinkedList<byte[]> linkedList = ByteBufferIOStream.this.m_buffer;
                linkedList.add(linkedList.poll());
                int i4 = i2 - i3;
                int i5 = i + i3;
                int i6 = i4 / 4096;
                for (int i7 = 0; i7 < i6; i7++) {
                    System.arraycopy(ByteBufferIOStream.this.m_buffer.getFirst(), 0, bArr, i5, 4096);
                    LinkedList<byte[]> linkedList2 = ByteBufferIOStream.this.m_buffer;
                    linkedList2.add(linkedList2.poll());
                    i4 -= 4096;
                    i5 += 4096;
                }
                System.arraycopy(ByteBufferIOStream.this.m_buffer.getFirst(), 0, bArr, i5, i4);
                ByteBufferIOStream byteBufferIOStream2 = ByteBufferIOStream.this;
                byteBufferIOStream2.m_readPosition = i4;
                byteBufferIOStream2.m_availableSegment -= i6 + 1;
            }
            return i2;
        }

        @Override // java.io.InputStream
        public long skip(long j) throws IOException {
            int available = available();
            if (available <= 0) {
                return 0L;
            }
            long j2 = available;
            if (j > j2) {
                j = j2;
            }
            int i = (int) j;
            ByteBufferIOStream byteBufferIOStream = ByteBufferIOStream.this;
            int i2 = byteBufferIOStream.m_readPosition;
            int i3 = 4096 - i2;
            if (i < i3) {
                byteBufferIOStream.m_readPosition = i2 + i;
            } else {
                LinkedList<byte[]> linkedList = byteBufferIOStream.m_buffer;
                linkedList.add(linkedList.poll());
                int i4 = i - i3;
                int i5 = i4 / 4096;
                for (int i6 = 0; i6 < i5; i6++) {
                    LinkedList<byte[]> linkedList2 = ByteBufferIOStream.this.m_buffer;
                    linkedList2.add(linkedList2.poll());
                    i4 -= 4096;
                }
                ByteBufferIOStream byteBufferIOStream2 = ByteBufferIOStream.this;
                byteBufferIOStream2.m_readPosition = i4;
                byteBufferIOStream2.m_availableSegment -= i5 + 1;
            }
            return j;
        }
    }

    public class ByteBufferOutputStream extends OutputStream {
        public ByteBufferOutputStream() {
        }

        @Override // java.io.OutputStream, java.io.Closeable, java.lang.AutoCloseable
        public void close() throws IOException {
            ByteBufferIOStream.this.closeIOStream();
        }

        @Override // java.io.OutputStream
        public void write(byte[] bArr, int i, int i2) throws IOException {
            byte[] bArr2;
            if (i < 0 || i2 < 0 || i + i2 > bArr.length) {
                throw new IndexOutOfBoundsException("The writing range is out of buffer boundary.");
            }
            ByteBufferIOStream byteBufferIOStream = ByteBufferIOStream.this;
            if (byteBufferIOStream.m_closed) {
                throw new IOException("ByteBufferIOStream is closed");
            }
            int i3 = 4096 - byteBufferIOStream.m_writePosition;
            Iterator<byte[]> it = byteBufferIOStream.m_buffer.iterator();
            for (int i4 = 0; i4 < ByteBufferIOStream.this.m_availableSegment; i4++) {
                it.next();
            }
            if (i2 < i3) {
                System.arraycopy(bArr, i, it.next(), ByteBufferIOStream.this.m_writePosition, i2);
                ByteBufferIOStream.this.m_writePosition += i2;
                return;
            }
            System.arraycopy(bArr, i, it.next(), ByteBufferIOStream.this.m_writePosition, i3);
            int i5 = i2 - i3;
            int i6 = i + i3;
            ByteBufferIOStream byteBufferIOStream2 = ByteBufferIOStream.this;
            byteBufferIOStream2.m_availableSegment++;
            byteBufferIOStream2.m_writePosition = 0;
            while (i5 > 0) {
                if (it.hasNext()) {
                    bArr2 = it.next();
                } else {
                    bArr2 = new byte[4096];
                    ByteBufferIOStream.this.m_buffer.add(bArr2);
                }
                if (i5 < 4096) {
                    System.arraycopy(bArr, i6, bArr2, 0, i5);
                    ByteBufferIOStream.this.m_writePosition = i5;
                    i5 = 0;
                } else {
                    System.arraycopy(bArr, i6, bArr2, 0, 4096);
                    i5 -= 4096;
                    i6 += 4096;
                    ByteBufferIOStream.this.m_availableSegment++;
                }
            }
        }

        @Override // java.io.OutputStream
        public void write(byte[] bArr) throws IOException {
            write(bArr, 0, bArr.length);
        }

        @Override // java.io.OutputStream
        public void write(int i) throws IOException {
            ByteBufferIOStream byteBufferIOStream = ByteBufferIOStream.this;
            if (byteBufferIOStream.m_closed) {
                throw new IOException("ByteBufferIOStream is closed");
            }
            byte[] first = byteBufferIOStream.m_buffer.getFirst();
            ByteBufferIOStream byteBufferIOStream2 = ByteBufferIOStream.this;
            int i2 = byteBufferIOStream2.m_writePosition;
            first[i2] = (byte) i;
            int i3 = i2 + 1;
            byteBufferIOStream2.m_writePosition = i3;
            if (i3 == 4096) {
                byteBufferIOStream2.m_writePosition = 0;
                byteBufferIOStream2.m_availableSegment++;
            }
        }
    }
}