Java Code Examples for net.openhft.chronicle.bytes.Bytes#readSkip()
The following examples show how to use
net.openhft.chronicle.bytes.Bytes#readSkip() .
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Example 1
Source File: ReplicatedInput.java From Chronicle-Map with Apache License 2.0 | 6 votes |
public void processReplicatedEvent(byte remoteNodeIdentifier, Bytes replicatedInputBytes) { long timestamp = replicatedInputBytes.readStopBit(); byte identifier = replicatedInputBytes.readByte(); ru.initReplicationUpdate(identifier, timestamp, remoteNodeIdentifier); boolean isDeleted = replicatedInputBytes.readBoolean(); long keySize = mh.m().keySizeMarshaller.readSize(replicatedInputBytes); long keyOffset = replicatedInputBytes.readPosition(); q.initInputKey(q.getInputKeyBytesAsData(replicatedInputBytes, keyOffset, keySize)); replicatedInputBytes.readSkip(keySize); if (isDeleted) { s.innerUpdateLock.lock(); mh.m().remoteOperations.remove(this); } else { long valueSize = mh.m().valueSizeMarshaller.readSize(replicatedInputBytes); long valueOffset = replicatedInputBytes.readPosition(); Data<V> value = q.wrapValueBytesAsData(replicatedInputBytes, valueOffset, valueSize); replicatedInputBytes.readSkip(valueSize); s.innerWriteLock.lock(); mh.m().remoteOperations.put(this, value); } }
Example 2
Source File: RollEOFTest.java From Chronicle-Queue with Apache License 2.0 | 6 votes |
private void removeEOF(Path path) throws IOException { long blockSize = 64 << 10; long chunkSize = OS.pageAlign(blockSize); long overlapSize = OS.pageAlign(blockSize / 4); final MappedBytes mappedBytes = MappedBytes.mappedBytes(path.toFile(), chunkSize, overlapSize, false); mappedBytes.reserve(test); try { final Wire wire = WireType.BINARY_LIGHT.apply(mappedBytes); final Bytes<?> bytes = wire.bytes(); bytes.readLimitToCapacity(); bytes.readSkip(4); // move past header try (final SingleChronicleQueueStore qs = loadStore(wire)) { assertNotNull(qs); long l = qs.writePosition(); long len = Wires.lengthOf(bytes.readVolatileInt(l)); long eofOffset = l + len + 4L; bytes.writePosition(eofOffset); bytes.writeInt(0); } } finally { mappedBytes.release(test); } }
Example 3
Source File: EchoHandler.java From Chronicle-Network with Apache License 2.0 | 5 votes |
@Override public void process(@NotNull final Bytes in, @NotNull final Bytes out, T nc) { // System.out.println(in.readRemaining()); if (in.readRemaining() == 0) return; // System.out.println("P start " + in.toDebugString()); long toWrite = Math.min(in.readRemaining(), out.writeRemaining()); out.write(in, in.readPosition(), toWrite); in.readSkip(toWrite); // System.out.println("... P End " + in.toDebugString()); }
Example 4
Source File: TimedEchoHandler.java From Chronicle-Network with Apache License 2.0 | 5 votes |
@Override public void process(@NotNull final Bytes in, @NotNull final Bytes out, T nc) { if (in.readRemaining() == 0) return; long toWrite = Math.min(in.readRemaining(), out.writeRemaining()); out.write(in, in.readPosition(), toWrite); out.writeLong(System.nanoTime()); in.readSkip(toWrite); }
Example 5
Source File: VanillaChronicleMap.java From Chronicle-Map with Apache License 2.0 | 5 votes |
public void alignReadPosition(Bytes entry) { throwExceptionIfClosed(); long positionAddr = entry.addressForRead(entry.readPosition()); long skip = alignAddr(positionAddr, alignment) - positionAddr; if (skip > 0) entry.readSkip(skip); }
Example 6
Source File: Lexer.java From SAXophone with GNU Lesser General Public License v3.0 | 4 votes |
private void unreadChar(Bytes txt) { txt.readSkip(-1); }
Example 7
Source File: SCQIndexing.java From Chronicle-Queue with Apache License 2.0 | 4 votes |
@NotNull private ScanResult linearScan0(@NotNull final Wire wire, final long toIndex, long fromKnownIndex, long knownAddress) { this.linearScanCount++; @NotNull final Bytes<?> bytes = wire.bytes(); // optimized if the `toIndex` is the last sequence long lastAddress = writePosition.getVolatileValue(); long lastIndex = this.sequence.getSequence(lastAddress); if (toIndex == lastIndex) { assert (lastAddress >= knownAddress && lastIndex >= fromKnownIndex); knownAddress = lastAddress; fromKnownIndex = lastIndex; } bytes.readPositionUnlimited(knownAddress); for (long i = fromKnownIndex; ; i++) { try { if (wire.readDataHeader()) { if (i == toIndex) { return ScanResult.FOUND; } int header = bytes.readVolatileInt(); if (Wires.isNotComplete(header)) { // or isEndOfFile return ScanResult.NOT_REACHED; } bytes.readSkip(Wires.lengthOf(header)); continue; } } catch (EOFException fallback) { // reached the end of the file. if (i == toIndex) { return ScanResult.END_OF_FILE; } } return i == toIndex ? ScanResult.NOT_FOUND : ScanResult.NOT_REACHED; } }
Example 8
Source File: RawAccessJava.java From Chronicle-Queue with Apache License 2.0 | 4 votes |
@Test public void Tailer() { if (!assert_from_cpp()) return; String tmp = "/dev/shm/RawAccessCtoJ"; System.out.println(tmp); // so C++ knows this ran rather than skipped try (ChronicleQueue cq = SingleChronicleQueueBuilder.binary(tmp).build()) { ExcerptTailer tailer = cq.createTailer(); for (int i = 0; i < COUNT; ++i) { try (DocumentContext dc = tailer.readingDocument()) { Bytes bytes = dc.wire().bytes(); bytes.readSkip(-QUEUE_HEADER_SIZE); int header = bytes.readInt(); // document length, inc 4-byte length int length = Wires.lengthOf(header); // actual length of data int data_length = bytes.readInt(); assertEquals(bytes.readByte(), (byte) 0xab); assertEquals(bytes.readShort(), (short) 12); assertEquals(bytes.readInt(), 123); assertEquals(bytes.readLong(), 123456789L); assertEquals(bytes.readFloat(), 1.234f, 1.0e-7); assertEquals(bytes.readDouble(), 123.456, 1.0e-7); assertEquals(bytes.readChar(), 'a'); StringBuilder sb = new StringBuilder(); bytes.read8bit(sb); assertEquals(sb.toString(), "Hello World"); } } } }