exo/checkDataIntegrity
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git-svn-id: svn://home0/checkDataIntegrity@3053 71dcc7fd-b1f2-4e5d-bb8e-274146e81173

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(no author)
2023-05-19 19:44:56 +00:00
parent 6eaeb0ae0c
commit c4fd4cf235
3 changed files with 21 additions and 17 deletions
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38
src/checkDataIntegrity/Main.java
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@@ -24,12 +24,12 @@ public class Main {
final long start = System.currentTimeMillis();
final AtomicLong count = new AtomicLong();
final AtomicLong countErr = new AtomicLong();
final ThreadLocal<byte[]> bufs0 = ThreadLocal.withInitial(() -> new byte[4096]);
final ThreadLocal<byte[]> bufs1 = ThreadLocal.withInitial(() -> new byte[4096]);
final ThreadLocal<byte[]> bufs0 = ThreadLocal.withInitial(() -> new byte[8192]);
final ThreadLocal<byte[]> bufs1 = ThreadLocal.withInitial(() -> new byte[8192]);
try (Stream<Path> walk = Files.walk(Path.of(path0))) {
walk
// .parallel()
.parallel()
.filter(Files::isRegularFile)
.forEach(p0 -> {
long cnt = count.incrementAndGet();
@@ -43,21 +43,25 @@ public class Main {
final byte[] buf0 = bufs0.get();
final byte[] buf1 = bufs1.get();
try (InputStream inputStream0 = Files.newInputStream(p0); InputStream inputStream1 = Files.newInputStream(p1);) {
final int len0 = inputStream0.read(buf0);
final int len1 = inputStream1.read(buf1);
if (len0 != len1) {
System.out.println(rel + ": Length mismatch");
countErr.incrementAndGet();
return;
}
if (len0 == -1) {
return;
}
if (!Arrays.equals(buf0, 0, len0, buf1, 0, len1)) {
System.out.println(rel + ": Data mismatch");
countErr.incrementAndGet();
return;
int len0, len1;
do {
len0 = inputStream0.read(buf0);
len1 = inputStream1.read(buf1);
if (len0 != len1) {
System.out.println(rel + ": Length mismatch");
countErr.incrementAndGet();
break;
}
if (len0 == -1) {
break;
}
if (!Arrays.equals(buf0, 0, len0, buf1, 0, len1)) {
System.out.println(rel + ": Data mismatch");
countErr.incrementAndGet();
break;
}
}
while (len0 > -1);
}
catch (NoSuchFileException nsfExc) {
// System.out.println(rel + ": NoSuchFileException");