/** @throws Exception if error occur. */
@SuppressWarnings("unchecked")
private void checkGar() throws Exception {
initGar = true;
String garDir = "modules/extdata/p2p/deploy";
String garFileName = "p2p.gar";
File origGarPath = U.resolveIgnitePath(garDir + '/' + garFileName);
File tmpPath = new File(System.getProperty("java.io.tmpdir"), UUID.randomUUID().toString());
if (!tmpPath.mkdir()) throw new IOException("Can not create temp directory");
try {
File newGarFile = new File(tmpPath, garFileName);
U.copy(origGarPath, newGarFile, false);
assert newGarFile.exists();
try {
garFile = "file:///" + tmpPath.getAbsolutePath();
try {
Ignite ignite1 = startGrid(1);
Ignite ignite2 = startGrid(2);
Integer res =
ignite1
.compute()
.<UUID, Integer>execute(TASK_NAME, ignite2.cluster().localNode().id());
assert res != null;
} finally {
stopGrid(1);
stopGrid(2);
}
} finally {
if (newGarFile != null && !newGarFile.delete()) error("Can not delete temp gar file");
}
} finally {
if (!tmpPath.delete()) error("Can not delete temp directory");
}
}
/** @throws Exception If failed. */
public void testCompact() throws Exception {
File file = new File(UUID.randomUUID().toString());
X.println("file: " + file.getPath());
FileSwapSpaceSpi.SwapFile f = new FileSwapSpaceSpi.SwapFile(file, 8);
Random rnd = new Random();
ArrayList<FileSwapSpaceSpi.SwapValue> arr = new ArrayList<>();
int size = 0;
for (int a = 0; a < 100; a++) {
FileSwapSpaceSpi.SwapValue[] vals = new FileSwapSpaceSpi.SwapValue[1 + rnd.nextInt(10)];
int size0 = 0;
for (int i = 0; i < vals.length; i++) {
byte[] bytes = new byte[1 + rnd.nextInt(49)];
rnd.nextBytes(bytes);
size0 += bytes.length;
vals[i] = new FileSwapSpaceSpi.SwapValue(bytes);
arr.add(vals[i]);
}
f.write(new FileSwapSpaceSpi.SwapValues(vals, size0), 1);
size += size0;
assertEquals(f.length(), size);
assertEquals(file.length(), size);
}
int i = 0;
for (FileSwapSpaceSpi.SwapValue val : arr) assertEquals(val.idx(), ++i);
i = 0;
for (int cnt = arr.size() / 2; i < cnt; i++) {
FileSwapSpaceSpi.SwapValue v = arr.remove(rnd.nextInt(arr.size()));
assertTrue(f.tryRemove(v.idx(), v));
}
int hash0 = 0;
for (FileSwapSpaceSpi.SwapValue val : arr) hash0 += Arrays.hashCode(val.readValue(f.readCh));
ArrayList<T2<ByteBuffer, ArrayDeque<FileSwapSpaceSpi.SwapValue>>> bufs = new ArrayList();
for (; ; ) {
ArrayDeque<FileSwapSpaceSpi.SwapValue> que = new ArrayDeque<>();
ByteBuffer buf = f.compact(que, 1024);
if (buf == null) break;
bufs.add(new T2(buf, que));
}
f.delete();
int hash1 = 0;
for (FileSwapSpaceSpi.SwapValue val : arr) hash1 += Arrays.hashCode(val.value(null));
assertEquals(hash0, hash1);
File file0 = new File(UUID.randomUUID().toString());
FileSwapSpaceSpi.SwapFile f0 = new FileSwapSpaceSpi.SwapFile(file0, 8);
for (T2<ByteBuffer, ArrayDeque<FileSwapSpaceSpi.SwapValue>> t : bufs)
f0.write(t.get2(), t.get1(), 1);
int hash2 = 0;
for (FileSwapSpaceSpi.SwapValue val : arr) hash2 += Arrays.hashCode(val.readValue(f0.readCh));
assertEquals(hash2, hash1);
}