Examples with ByteArray net.i2p.data.ByteArray used on opensource projects

Example 11 with ByteArray

use of net.i2p.data.ByteArray in project i2p.i2p by i2p.

the class PartialPiece method getHash.

/**
 **
 *    public long getCreated() {
 *         return this.createdTime;
 *    }
 ***
 */
/**
 *  Piece must be complete.
 *  The SHA1 hash of the completely read data.
 *  @since 0.9.1
 */
public byte[] getHash() throws IOException {
    MessageDigest sha1 = SHA1.getInstance();
    if (bs != null) {
        sha1.update(bs);
    } else {
        int read = 0;
        int buflen = Math.min(pclen, BUFSIZE);
        ByteArray ba;
        byte[] buf;
        if (buflen == BUFSIZE) {
            ba = _cache.acquire();
            buf = ba.getData();
        } else {
            ba = null;
            buf = new byte[buflen];
        }
        synchronized (this) {
            if (raf == null)
                throw new IOException();
            raf.seek(0);
            while (read < pclen) {
                int rd = raf.read(buf, 0, Math.min(buf.length, pclen - read));
                if (rd < 0)
                    break;
                read += rd;
                sha1.update(buf, 0, rd);
            }
        }
        if (ba != null)
            _cache.release(ba, false);
        if (read < pclen)
            throw new IOException();
    }
    return sha1.digest();
}

Example 12 with ByteArray

use of net.i2p.data.ByteArray in project i2p.i2p by i2p.

the class PartialPiece method write.

/**
 *  Piece must be complete.
 *  Caller must synchronize on out and seek to starting point.
 *  Caller must call release() when done with the whole piece.
 *
 *  @param out stream to write to
 *  @param offset offset in the piece
 *  @param len length to write
 *  @since 0.9.1
 */
public void write(DataOutput out, int offset, int len) throws IOException {
    if (bs != null) {
        out.write(bs, offset, len);
    } else {
        int read = 0;
        int buflen = Math.min(len, BUFSIZE);
        ByteArray ba;
        byte[] buf;
        if (buflen == BUFSIZE) {
            ba = _cache.acquire();
            buf = ba.getData();
        } else {
            ba = null;
            buf = new byte[buflen];
        }
        synchronized (this) {
            if (raf == null)
                throw new IOException();
            raf.seek(offset);
            while (read < len) {
                int rd = Math.min(buf.length, len - read);
                raf.readFully(buf, 0, rd);
                read += rd;
                out.write(buf, 0, rd);
            }
        }
        if (ba != null)
            _cache.release(ba, false);
    }
}

Example 13 with ByteArray

use of net.i2p.data.ByteArray in project i2p.i2p by i2p.

the class MessageInputStreamTest method testRandomDups.

@Test
public void testRandomDups() throws IOException {
    byte[] orig = new byte[256 * 1024];
    _context.random().nextBytes(orig);
    for (int n = 0; n < 3; n++) {
        ArrayList<Integer> order = new ArrayList<Integer>(32);
        for (int i = 0; i < orig.length / 1024; i++) order.add(new Integer(i));
        Collections.shuffle(order);
        for (int i = 0; i < orig.length / 1024; i++) {
            byte[] msg = new byte[1024];
            Integer cur = (Integer) order.get(i);
            System.arraycopy(orig, cur.intValue() * 1024, msg, 0, 1024);
            in.messageReceived(cur.intValue(), new ByteArray(msg));
            _log.debug("Injecting " + cur);
        }
    }
    byte[] read = new byte[orig.length];
    int howMany = DataHelper.read(in, read);
    if (howMany != orig.length)
        fail("not enough bytes read [" + howMany + "]");
    if (!DataHelper.eq(orig, read))
        fail("data read is not equal");
    _log.info("Passed test: random dups");
}

Example 14 with ByteArray

use of net.i2p.data.ByteArray in project i2p.i2p by i2p.

the class MessageInputStreamTest method testRandomOrder.

@Test
public void testRandomOrder() throws IOException {
    byte[] orig = new byte[256 * 1024];
    _context.random().nextBytes(orig);
    ArrayList<Integer> order = new ArrayList<Integer>(32);
    for (int i = 0; i < orig.length / 1024; i++) order.add(new Integer(i));
    Collections.shuffle(order);
    for (int i = 0; i < orig.length / 1024; i++) {
        byte[] msg = new byte[1024];
        Integer cur = (Integer) order.get(i);
        System.arraycopy(orig, cur.intValue() * 1024, msg, 0, 1024);
        in.messageReceived(cur.intValue(), new ByteArray(msg));
        _log.debug("Injecting " + cur);
    }
    byte[] read = new byte[orig.length];
    int howMany = DataHelper.read(in, read);
    if (howMany != orig.length)
        fail("not enough bytes read [" + howMany + "]");
    if (!DataHelper.eq(orig, read))
        fail("data read is not equal");
    _log.info("Passed test: random order");
}

Example 15 with ByteArray

use of net.i2p.data.ByteArray in project i2p.i2p by i2p.

the class MessageInputStreamTest method testUpdateAcks_missingMsgs.

@Test
public void testUpdateAcks_missingMsgs() {
    in.messageReceived(0, new ByteArray());
    in.messageReceived(2, new ByteArray());
    in.updateAcks(packetLocal);
    verify(packetLocal).setAckThrough(2);
    verify(packetLocal).setNacks(new long[] { 1 });
}