// Do a possible commit before read request in case there is buffered data
// inside DFSClient which has been flushed but not synced.
internal virtual int CommitBeforeRead(DFSClient dfsClient, FileHandle fileHandle,
long commitOffset)
{
int status;
OpenFileCtx openFileCtx = fileContextCache.Get(fileHandle);
if (openFileCtx == null)
{
if (Log.IsDebugEnabled())
{
Log.Debug("No opened stream for fileId: " + fileHandle.GetFileId() + " commitOffset="
+ commitOffset + ". Return success in this case.");
}
status = Nfs3Status.Nfs3Ok;
}
else
{
// commit request triggered by read won't create pending comment obj
OpenFileCtx.COMMIT_STATUS ret = openFileCtx.CheckCommit(dfsClient, commitOffset,
null, 0, null, true);
switch (ret)
{
case OpenFileCtx.COMMIT_STATUS.CommitFinished:
case OpenFileCtx.COMMIT_STATUS.CommitInactiveCtx:
{
status = Nfs3Status.Nfs3Ok;
break;
}
case OpenFileCtx.COMMIT_STATUS.CommitInactiveWithPendingWrite:
case OpenFileCtx.COMMIT_STATUS.CommitError:
{
status = Nfs3Status.Nfs3errIo;
break;
}
case OpenFileCtx.COMMIT_STATUS.CommitWait:
case OpenFileCtx.COMMIT_STATUS.CommitSpecialWait:
{
status = Nfs3Status.Nfs3errJukebox;
break;
}
case OpenFileCtx.COMMIT_STATUS.CommitSpecialSuccess:
{
// Read beyond eof could result in partial read
status = Nfs3Status.Nfs3Ok;
break;
}
default:
{
Log.Error("Should not get commit return code: " + ret.ToString());
throw new RuntimeException("Should not get commit return code: " + ret.ToString()
);
}
}
}
return(status);
}
internal virtual void HandleCommit(DFSClient dfsClient, FileHandle fileHandle, long
commitOffset, Org.Jboss.Netty.Channel.Channel channel, int xid, Nfs3FileAttributes
preOpAttr)
{
long startTime = Runtime.NanoTime();
int status;
OpenFileCtx openFileCtx = fileContextCache.Get(fileHandle);
if (openFileCtx == null)
{
Log.Info("No opened stream for fileId: " + fileHandle.GetFileId() + " commitOffset="
+ commitOffset + ". Return success in this case.");
status = Nfs3Status.Nfs3Ok;
}
else
{
OpenFileCtx.COMMIT_STATUS ret = openFileCtx.CheckCommit(dfsClient, commitOffset,
channel, xid, preOpAttr, false);
switch (ret)
{
case OpenFileCtx.COMMIT_STATUS.CommitFinished:
case OpenFileCtx.COMMIT_STATUS.CommitInactiveCtx:
{
status = Nfs3Status.Nfs3Ok;
break;
}
case OpenFileCtx.COMMIT_STATUS.CommitInactiveWithPendingWrite:
case OpenFileCtx.COMMIT_STATUS.CommitError:
{
status = Nfs3Status.Nfs3errIo;
break;
}
case OpenFileCtx.COMMIT_STATUS.CommitWait:
{
// Do nothing. Commit is async now.
return;
}
case OpenFileCtx.COMMIT_STATUS.CommitSpecialWait:
{
status = Nfs3Status.Nfs3errJukebox;
break;
}
case OpenFileCtx.COMMIT_STATUS.CommitSpecialSuccess:
{
status = Nfs3Status.Nfs3Ok;
break;
}
default:
{
Log.Error("Should not get commit return code: " + ret.ToString());
throw new RuntimeException("Should not get commit return code: " + ret.ToString()
);
}
}
}
// Send out the response
Nfs3FileAttributes postOpAttr = null;
try
{
postOpAttr = GetFileAttr(dfsClient, new FileHandle(preOpAttr.GetFileId()), iug);
}
catch (IOException e1)
{
Log.Info("Can't get postOpAttr for fileId: " + preOpAttr.GetFileId(), e1);
}
WccData fileWcc = new WccData(Nfs3Utils.GetWccAttr(preOpAttr), postOpAttr);
COMMIT3Response response = new COMMIT3Response(status, fileWcc, Nfs3Constant.WriteCommitVerf
);
RpcProgramNfs3.metrics.AddCommit(Nfs3Utils.GetElapsedTime(startTime));
Nfs3Utils.WriteChannelCommit(channel, response.Serialize(new XDR(), xid, new VerifierNone
()), xid);
}
public virtual void TestCheckCommitFromReadLargeFileUpload()
{
// Validate all the commit check return codes OpenFileCtx.COMMIT_STATUS with large file upload option
DFSClient dfsClient = Org.Mockito.Mockito.Mock <DFSClient>();
Nfs3FileAttributes attr = new Nfs3FileAttributes();
HdfsDataOutputStream fos = Org.Mockito.Mockito.Mock <HdfsDataOutputStream>();
Org.Mockito.Mockito.When(fos.GetPos()).ThenReturn((long)0);
NfsConfiguration config = new NfsConfiguration();
config.SetBoolean(NfsConfigKeys.LargeFileUpload, true);
OpenFileCtx ctx = new OpenFileCtx(fos, attr, "/dumpFilePath", dfsClient, new ShellBasedIdMapping
(config), false, config);
FileHandle h = new FileHandle(1);
// fake handle for "/dumpFilePath"
OpenFileCtx.COMMIT_STATUS ret;
WriteManager wm = new WriteManager(new ShellBasedIdMapping(config), config, false
);
NUnit.Framework.Assert.IsTrue(wm.AddOpenFileStream(h, ctx));
// Test inactive open file context
ctx.SetActiveStatusForTest(false);
Org.Jboss.Netty.Channel.Channel ch = Org.Mockito.Mockito.Mock <Org.Jboss.Netty.Channel.Channel
>();
ret = ctx.CheckCommit(dfsClient, 0, ch, 1, attr, true);
NUnit.Framework.Assert.AreEqual(OpenFileCtx.COMMIT_STATUS.CommitInactiveCtx, ret);
NUnit.Framework.Assert.AreEqual(Nfs3Status.Nfs3Ok, wm.CommitBeforeRead(dfsClient,
h, 0));
ctx.GetPendingWritesForTest()[new OffsetRange(10, 15)] = new WriteCtx(null, 0, 0,
0, null, null, null, 0, false, null);
ret = ctx.CheckCommit(dfsClient, 0, ch, 1, attr, true);
NUnit.Framework.Assert.AreEqual(OpenFileCtx.COMMIT_STATUS.CommitInactiveWithPendingWrite
, ret);
NUnit.Framework.Assert.AreEqual(Nfs3Status.Nfs3errIo, wm.CommitBeforeRead(dfsClient
, h, 0));
// Test request with non zero commit offset
ctx.SetActiveStatusForTest(true);
Org.Mockito.Mockito.When(fos.GetPos()).ThenReturn((long)6);
ctx.SetNextOffsetForTest((long)10);
OpenFileCtx.COMMIT_STATUS status = ctx.CheckCommitInternal(5, ch, 1, attr, false);
NUnit.Framework.Assert.AreEqual(OpenFileCtx.COMMIT_STATUS.CommitDoSync, status);
// Do_SYNC state will be updated to FINISHED after data sync
ret = ctx.CheckCommit(dfsClient, 5, ch, 1, attr, true);
NUnit.Framework.Assert.AreEqual(OpenFileCtx.COMMIT_STATUS.CommitFinished, ret);
NUnit.Framework.Assert.AreEqual(Nfs3Status.Nfs3Ok, wm.CommitBeforeRead(dfsClient,
h, 5));
// Test request with sequential writes
status = ctx.CheckCommitInternal(9, ch, 1, attr, true);
NUnit.Framework.Assert.IsTrue(status == OpenFileCtx.COMMIT_STATUS.CommitSpecialWait
);
ret = ctx.CheckCommit(dfsClient, 9, ch, 1, attr, true);
NUnit.Framework.Assert.AreEqual(OpenFileCtx.COMMIT_STATUS.CommitSpecialWait, ret);
NUnit.Framework.Assert.AreEqual(Nfs3Status.Nfs3errJukebox, wm.CommitBeforeRead(dfsClient
, h, 9));
// Test request with non-sequential writes
ConcurrentNavigableMap <long, OpenFileCtx.CommitCtx> commits = ctx.GetPendingCommitsForTest
();
NUnit.Framework.Assert.IsTrue(commits.Count == 0);
ret = ctx.CheckCommit(dfsClient, 16, ch, 1, attr, true);
NUnit.Framework.Assert.AreEqual(OpenFileCtx.COMMIT_STATUS.CommitSpecialSuccess, ret
);
NUnit.Framework.Assert.AreEqual(0, commits.Count);
// commit triggered by read doesn't wait
NUnit.Framework.Assert.AreEqual(Nfs3Status.Nfs3Ok, wm.CommitBeforeRead(dfsClient,
h, 16));
// Test request with zero commit offset
// There is one pending write [10,15]
ret = ctx.CheckCommit(dfsClient, 0, ch, 1, attr, true);
NUnit.Framework.Assert.AreEqual(OpenFileCtx.COMMIT_STATUS.CommitSpecialWait, ret);
NUnit.Framework.Assert.AreEqual(0, commits.Count);
NUnit.Framework.Assert.AreEqual(Nfs3Status.Nfs3errJukebox, wm.CommitBeforeRead(dfsClient
, h, 0));
// Empty pending writes
Sharpen.Collections.Remove(ctx.GetPendingWritesForTest(), new OffsetRange(10, 15)
);
ret = ctx.CheckCommit(dfsClient, 0, ch, 1, attr, true);
NUnit.Framework.Assert.AreEqual(OpenFileCtx.COMMIT_STATUS.CommitSpecialWait, ret);
NUnit.Framework.Assert.AreEqual(Nfs3Status.Nfs3errJukebox, wm.CommitBeforeRead(dfsClient
, h, 0));
}
public virtual void TestCheckCommit()
{
// Validate all the commit check return codes OpenFileCtx.COMMIT_STATUS, which
// includes COMMIT_FINISHED, COMMIT_WAIT, COMMIT_INACTIVE_CTX,
// COMMIT_INACTIVE_WITH_PENDING_WRITE, COMMIT_ERROR, and COMMIT_DO_SYNC.
DFSClient dfsClient = Org.Mockito.Mockito.Mock <DFSClient>();
Nfs3FileAttributes attr = new Nfs3FileAttributes();
HdfsDataOutputStream fos = Org.Mockito.Mockito.Mock <HdfsDataOutputStream>();
Org.Mockito.Mockito.When(fos.GetPos()).ThenReturn((long)0);
NfsConfiguration conf = new NfsConfiguration();
conf.SetBoolean(NfsConfigKeys.LargeFileUpload, false);
OpenFileCtx ctx = new OpenFileCtx(fos, attr, "/dumpFilePath", dfsClient, new ShellBasedIdMapping
(conf), false, conf);
OpenFileCtx.COMMIT_STATUS ret;
// Test inactive open file context
ctx.SetActiveStatusForTest(false);
Org.Jboss.Netty.Channel.Channel ch = Org.Mockito.Mockito.Mock <Org.Jboss.Netty.Channel.Channel
>();
ret = ctx.CheckCommit(dfsClient, 0, ch, 1, attr, false);
NUnit.Framework.Assert.IsTrue(ret == OpenFileCtx.COMMIT_STATUS.CommitInactiveCtx);
ctx.GetPendingWritesForTest()[new OffsetRange(5, 10)] = new WriteCtx(null, 0, 0,
0, null, null, null, 0, false, null);
ret = ctx.CheckCommit(dfsClient, 0, ch, 1, attr, false);
NUnit.Framework.Assert.IsTrue(ret == OpenFileCtx.COMMIT_STATUS.CommitInactiveWithPendingWrite
);
// Test request with non zero commit offset
ctx.SetActiveStatusForTest(true);
Org.Mockito.Mockito.When(fos.GetPos()).ThenReturn((long)10);
ctx.SetNextOffsetForTest(10);
OpenFileCtx.COMMIT_STATUS status = ctx.CheckCommitInternal(5, null, 1, attr, false
);
NUnit.Framework.Assert.IsTrue(status == OpenFileCtx.COMMIT_STATUS.CommitDoSync);
// Do_SYNC state will be updated to FINISHED after data sync
ret = ctx.CheckCommit(dfsClient, 5, ch, 1, attr, false);
NUnit.Framework.Assert.IsTrue(ret == OpenFileCtx.COMMIT_STATUS.CommitFinished);
status = ctx.CheckCommitInternal(10, ch, 1, attr, false);
NUnit.Framework.Assert.IsTrue(status == OpenFileCtx.COMMIT_STATUS.CommitDoSync);
ret = ctx.CheckCommit(dfsClient, 10, ch, 1, attr, false);
NUnit.Framework.Assert.IsTrue(ret == OpenFileCtx.COMMIT_STATUS.CommitFinished);
ConcurrentNavigableMap <long, OpenFileCtx.CommitCtx> commits = ctx.GetPendingCommitsForTest
();
NUnit.Framework.Assert.IsTrue(commits.Count == 0);
ret = ctx.CheckCommit(dfsClient, 11, ch, 1, attr, false);
NUnit.Framework.Assert.IsTrue(ret == OpenFileCtx.COMMIT_STATUS.CommitWait);
NUnit.Framework.Assert.IsTrue(commits.Count == 1);
long key = commits.FirstKey();
NUnit.Framework.Assert.IsTrue(key == 11);
// Test request with zero commit offset
Sharpen.Collections.Remove(commits, System.Convert.ToInt64(11));
// There is one pending write [5,10]
ret = ctx.CheckCommit(dfsClient, 0, ch, 1, attr, false);
NUnit.Framework.Assert.IsTrue(ret == OpenFileCtx.COMMIT_STATUS.CommitWait);
NUnit.Framework.Assert.IsTrue(commits.Count == 1);
key = commits.FirstKey();
NUnit.Framework.Assert.IsTrue(key == 9);
// Empty pending writes
Sharpen.Collections.Remove(ctx.GetPendingWritesForTest(), new OffsetRange(5, 10));
ret = ctx.CheckCommit(dfsClient, 0, ch, 1, attr, false);
NUnit.Framework.Assert.IsTrue(ret == OpenFileCtx.COMMIT_STATUS.CommitFinished);
}
public virtual void TestCheckCommitLargeFileUpload()
{
// Validate all the commit check return codes OpenFileCtx.COMMIT_STATUS with
// large file upload option.
DFSClient dfsClient = Org.Mockito.Mockito.Mock <DFSClient>();
Nfs3FileAttributes attr = new Nfs3FileAttributes();
HdfsDataOutputStream fos = Org.Mockito.Mockito.Mock <HdfsDataOutputStream>();
Org.Mockito.Mockito.When(fos.GetPos()).ThenReturn((long)0);
NfsConfiguration conf = new NfsConfiguration();
conf.SetBoolean(NfsConfigKeys.LargeFileUpload, true);
OpenFileCtx ctx = new OpenFileCtx(fos, attr, "/dumpFilePath", dfsClient, new ShellBasedIdMapping
(conf), false, conf);
OpenFileCtx.COMMIT_STATUS ret;
// Test inactive open file context
ctx.SetActiveStatusForTest(false);
Org.Jboss.Netty.Channel.Channel ch = Org.Mockito.Mockito.Mock <Org.Jboss.Netty.Channel.Channel
>();
ret = ctx.CheckCommit(dfsClient, 0, ch, 1, attr, false);
NUnit.Framework.Assert.IsTrue(ret == OpenFileCtx.COMMIT_STATUS.CommitInactiveCtx);
ctx.GetPendingWritesForTest()[new OffsetRange(10, 15)] = new WriteCtx(null, 0, 0,
0, null, null, null, 0, false, null);
ret = ctx.CheckCommit(dfsClient, 0, ch, 1, attr, false);
NUnit.Framework.Assert.IsTrue(ret == OpenFileCtx.COMMIT_STATUS.CommitInactiveWithPendingWrite
);
// Test request with non zero commit offset
ctx.SetActiveStatusForTest(true);
Org.Mockito.Mockito.When(fos.GetPos()).ThenReturn((long)8);
ctx.SetNextOffsetForTest(10);
OpenFileCtx.COMMIT_STATUS status = ctx.CheckCommitInternal(5, null, 1, attr, false
);
NUnit.Framework.Assert.IsTrue(status == OpenFileCtx.COMMIT_STATUS.CommitDoSync);
// Do_SYNC state will be updated to FINISHED after data sync
ret = ctx.CheckCommit(dfsClient, 5, ch, 1, attr, false);
NUnit.Framework.Assert.IsTrue(ret == OpenFileCtx.COMMIT_STATUS.CommitFinished);
// Test commit sequential writes
status = ctx.CheckCommitInternal(10, ch, 1, attr, false);
NUnit.Framework.Assert.IsTrue(status == OpenFileCtx.COMMIT_STATUS.CommitSpecialWait
);
ret = ctx.CheckCommit(dfsClient, 10, ch, 1, attr, false);
NUnit.Framework.Assert.IsTrue(ret == OpenFileCtx.COMMIT_STATUS.CommitSpecialWait);
// Test commit non-sequential writes
ConcurrentNavigableMap <long, OpenFileCtx.CommitCtx> commits = ctx.GetPendingCommitsForTest
();
NUnit.Framework.Assert.IsTrue(commits.Count == 1);
ret = ctx.CheckCommit(dfsClient, 16, ch, 1, attr, false);
NUnit.Framework.Assert.IsTrue(ret == OpenFileCtx.COMMIT_STATUS.CommitSpecialSuccess
);
NUnit.Framework.Assert.IsTrue(commits.Count == 1);
// Test request with zero commit offset
Sharpen.Collections.Remove(commits, System.Convert.ToInt64(10));
// There is one pending write [10,15]
ret = ctx.CheckCommitInternal(0, ch, 1, attr, false);
NUnit.Framework.Assert.IsTrue(ret == OpenFileCtx.COMMIT_STATUS.CommitSpecialWait);
ret = ctx.CheckCommitInternal(9, ch, 1, attr, false);
NUnit.Framework.Assert.IsTrue(ret == OpenFileCtx.COMMIT_STATUS.CommitSpecialWait);
NUnit.Framework.Assert.IsTrue(commits.Count == 2);
// Empty pending writes. nextOffset=10, flushed pos=8
Sharpen.Collections.Remove(ctx.GetPendingWritesForTest(), new OffsetRange(10, 15)
);
ret = ctx.CheckCommit(dfsClient, 0, ch, 1, attr, false);
NUnit.Framework.Assert.IsTrue(ret == OpenFileCtx.COMMIT_STATUS.CommitSpecialWait);
// Empty pending writes
ctx.SetNextOffsetForTest((long)8);
// flushed pos = 8
ret = ctx.CheckCommit(dfsClient, 0, ch, 1, attr, false);
NUnit.Framework.Assert.IsTrue(ret == OpenFileCtx.COMMIT_STATUS.CommitFinished);
}