Examples of freenet.support.api.LockableRandomAccessBuffer

freenet.support.api.LockableRandomAccessBuffer
A RandomAccessBuffer which allows you to lock it open for a brief period to indicate that you are using it and it would be a bad idea to close the pooled fd. Locking the RAF open does not provide any concurrency guarantees but the implementation must guarantee to do the right thing, either using a mutex or supporting concurrent writes. Also has methods for persisting itself to a DataOutputStream. Implementations must register with BucketTools.restoreRAFFrom(). @author toad

    }


    public void testSmallSplitfileFailureFatalError() throws IOException, InsertException, MissingKeyException {
        Random r = new Random(12121);
        long size = 65536; // Exact multiple, so no last block
        LockableRandomAccessBuffer data = generateData(r, size, smallRAFFactory);
        HashResult[] hashes = getHashes(data);
        MyCallback cb = new MyCallback();
        InsertContext context = baseContext.clone();
        context.maxInsertRetries = 2;
        KeysFetchingLocally keys = new MyKeysFetchingLocally();

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        return hashStream.getResults();
    }


    private LockableRandomAccessBuffer generateData(Random random, long size,
            LockableRandomAccessBufferFactory smallRAFFactory) throws IOException {
        LockableRandomAccessBuffer thing = smallRAFFactory.makeRAF(size);
        BucketTools.fill(thing, random, 0, size);
        return new ReadOnlyRandomAccessBuffer(thing);
    }

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    }
    
    private void testRoundTripSimpleRandom(long size, CompatibilityMode cmode) throws IOException, InsertException, MissingKeyException, FetchException, MetadataParseException, Exception {
        RandomSource r = new DummyRandomSource(12123);
        LockableRandomAccessBuffer data = generateData(r, size, smallRAFFactory);
        Bucket dataBucket = new RAFBucket(data);
        HashResult[] hashes = getHashes(data);
        MyCallback cb = new MyCallback();
        InsertContext context = baseContext.clone();
        context.earlyEncode = true;

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        fcb.waitForFree();
    }
    
    private void testResumeCrossSegment(long size) throws InsertException, IOException, MissingKeyException, StorageFormatException, ChecksumFailedException, ResumeFailedException, MetadataUnresolvedException {
        Random r = new Random(12121);
        LockableRandomAccessBuffer data = generateData(r, size, bigRAFFactory);
        HashResult[] hashes = getHashes(data);
        MyCallback cb = new MyCallback();
        MyKeysFetchingLocally keys = new MyKeysFetchingLocally();
        SplitFileInserterStorage storage = new SplitFileInserterStorage(data, size, cb, null,
                new ClientMetadata(), false, null, smallRAFFactory, true, baseContext.clone(),

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        assertEquals(Status.SUCCEEDED, resumed.getStatus());
    }
    
    private void testEncodeAfterShutdownCrossSegment(long size) throws InsertException, IOException, MissingKeyException, StorageFormatException, ChecksumFailedException, ResumeFailedException, MetadataUnresolvedException {
        Random r = new Random(12121);
        LockableRandomAccessBuffer data = generateData(r, size, bigRAFFactory);
        HashResult[] hashes = getHashes(data);
        MyCallback cb = new MyCallback();
        MyKeysFetchingLocally keys = new MyKeysFetchingLocally();
        SplitFileInserterStorage storage = new SplitFileInserterStorage(data, size, cb, null,
                new ClientMetadata(), false, null, smallRAFFactory, true, baseContext.clone(),

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        resumed.getRAF().free();
    }
    
    private void testRepeatedEncodeAfterShutdownCrossSegment(long size) throws InsertException, IOException, MissingKeyException, StorageFormatException, ChecksumFailedException, ResumeFailedException, MetadataUnresolvedException {
        Random r = new Random(12121);
        LockableRandomAccessBuffer data = generateData(r, size, bigRAFFactory);
        HashResult[] hashes = getHashes(data);
        MyCallback cb = new MyCallback();
        MyKeysFetchingLocally keys = new MyKeysFetchingLocally();
        // Only enough for one segment at a time.
        MemoryLimitedJobRunner memoryLimitedJobRunner = new MemoryLimitedJobRunner(9*1024*1024L, 1, executor);

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        return total;
    }


    private void testRoundTripCrossSegmentRandom(long size) throws IOException, InsertException, MissingKeyException, FetchException, MetadataParseException, Exception {
        RandomSource r = new DummyRandomSource(12123);
        LockableRandomAccessBuffer data = generateData(r, size, smallRAFFactory);
        Bucket dataBucket = new RAFBucket(data);
        HashResult[] hashes = getHashes(data);
        MyCallback cb = new MyCallback();
        InsertContext context = baseContext.clone();
        context.earlyEncode = true;

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        fcb.waitForFree();
    }
    
    private void testRoundTripCrossSegmentDataBlocks(long size) throws IOException, InsertException, MissingKeyException, FetchException, MetadataParseException, Exception {
        RandomSource r = new DummyRandomSource(12123);
        LockableRandomAccessBuffer data = generateData(r, size, smallRAFFactory);
        Bucket dataBucket = new RAFBucket(data);
        HashResult[] hashes = getHashes(data);
        MyCallback cb = new MyCallback();
        InsertContext context = baseContext.clone();
        context.earlyEncode = true;

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    }


    public void testPersistentSmallSplitfileNoLastBlockCompletion() throws IOException, InsertException, StorageFormatException, ChecksumFailedException, ResumeFailedException {
        Random r = new Random(12121);
        long size = 65536; // Exact multiple, so no last block
        LockableRandomAccessBuffer data = generateData(r, size, bigRAFFactory);
        HashResult[] hashes = getHashes(data);
        MyCallback cb = new MyCallback();
        KeysFetchingLocally keys = new MyKeysFetchingLocally();
        SplitFileInserterStorage storage = new SplitFileInserterStorage(data, size, cb, null,
                new ClientMetadata(), false, null, smallRAFFactory, true, baseContext.clone(),

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    }


    public void testPersistentSmallSplitfileNoLastBlockCompletionAfterResume() throws IOException, InsertException, StorageFormatException, ChecksumFailedException, ResumeFailedException {
        Random r = new Random(12121);
        long size = 65536; // Exact multiple, so no last block
        LockableRandomAccessBuffer data = generateData(r, size, bigRAFFactory);
        HashResult[] hashes = getHashes(data);
        MyCallback cb = new MyCallback();
        KeysFetchingLocally keys = new MyKeysFetchingLocally();
        SplitFileInserterStorage storage = new SplitFileInserterStorage(data, size, cb, null,
                new ClientMetadata(), false, null, smallRAFFactory, true, baseContext.clone(),

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