/**
* @param garFile GAR file.
* @param hasDescr Whether GAR file has descriptor.
* @throws IOException If GAR file is not found.
* @return Whether GAR file structure is correct.
*/
private boolean checkStructure(File garFile, boolean hasDescr) throws IOException {
ZipFile zip = new ZipFile(garFile);
String descr = "META-INF/ignite.xml";
ZipEntry entry = zip.getEntry(descr);
if (entry == null && !hasDescr) {
if (log().isInfoEnabled()) {
log()
.info(
"Process deployment without descriptor file [path="
+ descr
+ ", file="
+ garFile.getAbsolutePath()
+ ']');
}
return true;
} else if (entry != null && hasDescr) {
InputStream in = null;
try {
in = new BufferedInputStream(zip.getInputStream(entry));
return true;
} finally {
U.close(in, log());
}
} else return false;
}
/**
* Read block from file.
*
* @param file - File to read.
* @param off - Marker position in file to start read from if {@code -1} read last blockSz bytes.
* @param blockSz - Maximum number of chars to read.
* @param lastModified - File last modification time.
* @return Read file block.
* @throws IOException In case of error.
*/
public static VisorFileBlock readBlock(File file, long off, int blockSz, long lastModified)
throws IOException {
RandomAccessFile raf = null;
try {
long fSz = file.length();
long fLastModified = file.lastModified();
long pos = off >= 0 ? off : Math.max(fSz - blockSz, 0);
// Try read more that file length.
if (fLastModified == lastModified && fSz != 0 && pos >= fSz)
throw new IOException(
"Trying to read file block with wrong offset: " + pos + " while file size: " + fSz);
if (fSz == 0)
return new VisorFileBlock(file.getPath(), pos, fLastModified, 0, false, EMPTY_FILE_BUF);
else {
int toRead = Math.min(blockSz, (int) (fSz - pos));
byte[] buf = new byte[toRead];
raf = new RandomAccessFile(file, "r");
raf.seek(pos);
int cntRead = raf.read(buf, 0, toRead);
if (cntRead != toRead)
throw new IOException(
"Count of requested and actually read bytes does not match [cntRead="
+ cntRead
+ ", toRead="
+ toRead
+ ']');
boolean zipped = buf.length > 512;
return new VisorFileBlock(
file.getPath(), pos, fSz, fLastModified, zipped, zipped ? zipBytes(buf) : buf);
}
} finally {
U.close(raf, null);
}
}
/**
* Converts given input stream expecting XML inside to {@link GridUriDeploymentSpringDocument}.
*
* <p>This is a workaround for the {@link InputStreamResource} which does not work properly.
*
* @param in Input stream with XML.
* @param log Logger
* @return Grid wrapper for the input stream.
* @throws GridSpiException Thrown if incoming input stream could not be read or parsed by {@code
* Spring} {@link XmlBeanFactory}.
* @see XmlBeanFactory
*/
static GridUriDeploymentSpringDocument parseTasksDocument(InputStream in, GridLogger log)
throws GridSpiException {
assert in != null;
// Note: use ByteArrayResource instead of InputStreamResource because InputStreamResource
// doesn't work.
ByteArrayOutputStream out = new ByteArrayOutputStream();
try {
U.copy(in, out);
XmlBeanFactory factory = new XmlBeanFactory(new ByteArrayResource(out.toByteArray()));
return new GridUriDeploymentSpringDocument(factory);
} catch (BeansException e) {
throw new GridSpiException("Failed to parse spring XML file.", e);
} catch (IOException e) {
throw new GridSpiException("Failed to parse spring XML file.", e);
} finally {
U.close(out, log);
}
}
/**
* Checks availability of a classpath resource.
*
* @param name Resource name.
* @return {@code true} if resource is available and ready for read, {@code false} otherwise.
*/
private boolean resourceAvailable(String name) {
InputStream cfgStream =
Thread.currentThread().getContextClassLoader().getResourceAsStream(name);
if (cfgStream == null) {
log.error("Classpath resource not found: " + name);
return false;
}
try {
// Read a single byte to force actual content access by JVM.
cfgStream.read();
return true;
} catch (IOException e) {
log.error("Failed to read classpath resource: " + name, e);
return false;
} finally {
U.close(cfgStream, log);
}
}
/** Clears values for this partition. */
private void clearAll() {
GridCacheVersion clearVer = cctx.versions().next();
boolean swap = cctx.isSwapOrOffheapEnabled();
boolean rec = cctx.events().isRecordable(EVT_CACHE_REBALANCE_OBJECT_UNLOADED);
Iterator<GridDhtCacheEntry> it = map.values().iterator();
GridCloseableIterator<Map.Entry<byte[], GridCacheSwapEntry>> swapIt = null;
if (swap
&& GridQueryProcessor.isEnabled(cctx.config())) { // Indexing needs to unswap cache values.
Iterator<GridDhtCacheEntry> unswapIt = null;
try {
swapIt = cctx.swap().iterator(id);
unswapIt = unswapIterator(swapIt);
} catch (Exception e) {
U.error(log, "Failed to clear swap for evicted partition: " + this, e);
}
if (unswapIt != null) it = F.concat(it, unswapIt);
}
try {
while (it.hasNext()) {
GridDhtCacheEntry cached = it.next();
try {
if (cached.clearInternal(clearVer, swap)) {
map.remove(cached.key(), cached);
if (!cached.isInternal()) {
mapPubSize.decrement();
if (rec)
cctx.events()
.addEvent(
cached.partition(),
cached.key(),
cctx.localNodeId(),
(IgniteUuid) null,
null,
EVT_CACHE_REBALANCE_OBJECT_UNLOADED,
null,
false,
cached.rawGet(),
cached.hasValue(),
null,
null,
null);
}
}
} catch (IgniteCheckedException e) {
U.error(log, "Failed to clear cache entry for evicted partition: " + cached, e);
}
}
} finally {
U.close(swapIt, log);
}
}