// TODO dispose pattern
public void Dispose()
{
if (Channel != null)
{
Channel.Close();
}
}
/// <summary>
/// Close all the files.
/// </summary>
/// <exception cref="SecurityException"> if a security manager exists and if
/// the caller does not have <tt>LoggingPermission("control")</tt>. </exception>
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in .NET:
//ORIGINAL LINE: @Override public synchronized void close() throws SecurityException
public override void Close()
{
lock (this)
{
base.Close();
// Unlock any lock file.
if (LockFileName == null)
{
return;
}
try
{
// Close the lock file channel (which also will free any locks)
LockFileChannel.Close();
}
catch (Exception)
{
// Problems closing the stream. Punt.
}
lock (Locks)
{
Locks.Remove(LockFileName);
}
if (System.IO.Directory.Exists(LockFileName))
{
System.IO.Directory.Delete(LockFileName, true);
}
else
{
System.IO.File.Delete(LockFileName);
}
LockFileName = null;
LockFileChannel = null;
}
}
/// <exception cref="System.IO.IOException"/>
public override void Close()
{
if (fp == null)
{
throw new IOException("Trying to use aborted output stream");
}
try
{
// close should have been called after all pending transactions
// have been flushed & synced.
// if already closed, just skip
if (doubleBuf != null)
{
doubleBuf.Close();
doubleBuf = null;
}
// remove any preallocated padding bytes from the transaction log.
if (fc != null && fc.IsOpen())
{
fc.Truncate(fc.Position());
fc.Close();
fc = null;
}
fp.Close();
fp = null;
}
finally
{
IOUtils.Cleanup(Log, fc, fp);
doubleBuf = null;
fc = null;
fp = null;
}
fp = null;
}
static long CopyFileStream(FileInputStream @is, FileOutputStream os)
{
FileChannel srcChannel = null;
FileChannel destChannel = null;
long length;
try
{
srcChannel = @is.Channel;
destChannel = os.Channel;
length = srcChannel.TransferTo(0L, srcChannel.Size(), destChannel);
}
finally
{
if (srcChannel != null)
{
srcChannel.Close();
}
if (destChannel != null)
{
destChannel.Close();
}
}
return(length);
}
/// <exception cref="System.Exception"/>
public virtual void TestMlock()
{
Assume.AssumeTrue(NativeIO.IsAvailable());
FilePath TestFile = new FilePath(new FilePath(Runtime.GetProperty("test.build.data"
, "build/test/data")), "testMlockFile");
int BufLen = 12289;
byte[] buf = new byte[BufLen];
int bufSum = 0;
for (int i = 0; i < buf.Length; i++)
{
buf[i] = unchecked ((byte)(i % 60));
bufSum += buf[i];
}
FileOutputStream fos = new FileOutputStream(TestFile);
try
{
fos.Write(buf);
fos.GetChannel().Force(true);
}
finally
{
fos.Close();
}
FileInputStream fis = null;
FileChannel channel = null;
try
{
// Map file into memory
fis = new FileInputStream(TestFile);
channel = fis.GetChannel();
long fileSize = channel.Size();
MappedByteBuffer mapbuf = channel.Map(FileChannel.MapMode.ReadOnly, 0, fileSize);
// mlock the buffer
NativeIO.POSIX.Mlock(mapbuf, fileSize);
// Read the buffer
int sum = 0;
for (int i_1 = 0; i_1 < fileSize; i_1++)
{
sum += mapbuf.Get(i_1);
}
Assert.Equal("Expected sums to be equal", bufSum, sum);
// munmap the buffer, which also implicitly unlocks it
NativeIO.POSIX.Munmap(mapbuf);
}
finally
{
if (channel != null)
{
channel.Close();
}
if (fis != null)
{
fis.Close();
}
}
}
/// <exception cref="System.IO.IOException"/>
public virtual void Close()
{
if (ch != null)
{
ch.Close();
ch = null;
}
}
/// <summary>
/// Closes this file input stream and releases any system resources
/// associated with the stream.
///
/// <para> If this stream has an associated channel then the channel is closed
/// as well.
///
/// </para>
/// </summary>
/// <exception cref="IOException"> if an I/O error occurs.
///
/// @revised 1.4
/// @spec JSR-51 </exception>
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in .NET:
//ORIGINAL LINE: public void close() throws IOException
public override void Close()
{
lock (CloseLock)
{
if (Closed)
{
return;
}
Closed = true;
}
if (Channel_Renamed != null)
{
Channel_Renamed.Close();
}
Fd.CloseAll(new CloseableAnonymousInnerClassHelper(this));
}
/// <summary>Write content of index to disk.</summary>
/// <remarks>Write content of index to disk.</remarks>
/// <exception cref="System.IO.IOException">System.IO.IOException</exception>
public virtual void Write()
{
CheckWriteOk();
FilePath tmpIndex = new FilePath(cacheFile.GetAbsoluteFile() + ".tmp");
FilePath Lock = new FilePath(cacheFile.GetAbsoluteFile() + ".lock");
if (!Lock.CreateNewFile())
{
throw new IOException(JGitText.Get().indexFileIsInUse);
}
try
{
FileOutputStream fileOutputStream = new FileOutputStream(tmpIndex);
FileChannel fc = fileOutputStream.GetChannel();
ByteBuffer buf = ByteBuffer.Allocate(4096);
MessageDigest newMessageDigest = Constants.NewMessageDigest();
header = new GitIndex.Header(entries);
header.Write(buf);
buf.Flip();
newMessageDigest.Update(((byte[])buf.Array()), buf.ArrayOffset(), buf.Limit());
fc.Write(buf);
buf.Flip();
buf.Clear();
for (Iterator i = entries.Values.Iterator(); i.HasNext();)
{
GitIndex.Entry e = (GitIndex.Entry)i.Next();
e.Write(buf);
buf.Flip();
newMessageDigest.Update(((byte[])buf.Array()), buf.ArrayOffset(), buf.Limit());
fc.Write(buf);
buf.Flip();
buf.Clear();
}
buf.Put(newMessageDigest.Digest());
buf.Flip();
fc.Write(buf);
fc.Close();
fileOutputStream.Close();
if (cacheFile.Exists())
{
if (db.FileSystem.RetryFailedLockFileCommit())
{
// file deletion fails on windows if another
// thread is reading the file concurrently
// So let's try 10 times...
bool deleted = false;
for (int i_1 = 0; i_1 < 10; i_1++)
{
if (cacheFile.Delete())
{
deleted = true;
break;
}
try
{
Sharpen.Thread.Sleep(100);
}
catch (Exception)
{
}
}
// ignore
if (!deleted)
{
throw new IOException(JGitText.Get().couldNotRenameDeleteOldIndex);
}
}
else
{
if (!cacheFile.Delete())
{
throw new IOException(JGitText.Get().couldNotRenameDeleteOldIndex);
}
}
}
if (!tmpIndex.RenameTo(cacheFile))
{
throw new IOException(JGitText.Get().couldNotRenameTemporaryIndexFileToIndex);
}
changed = false;
statDirty = false;
lastCacheTime = cacheFile.LastModified();
db.FireEvent(new IndexChangedEvent());
}
finally
{
if (!Lock.Delete())
{
throw new IOException(JGitText.Get().couldNotDeleteLockFileShouldNotHappen);
}
if (tmpIndex.Exists() && !tmpIndex.Delete())
{
throw new IOException(JGitText.Get().couldNotDeleteTemporaryIndexFileShouldNotHappen
);
}
}
}
/// <summary>
/// Open the set of output files, based on the configured
/// instance variables.
/// </summary>
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in .NET:
//ORIGINAL LINE: private void openFiles() throws java.io.IOException
private void OpenFiles()
{
LogManager manager = LogManager.LogManager;
manager.CheckPermission();
if (Count < 1)
{
throw new IllegalArgumentException("file count = " + Count);
}
if (Limit < 0)
{
Limit = 0;
}
// We register our own ErrorManager during initialization
// so we can record exceptions.
InitializationErrorManager em = new InitializationErrorManager();
ErrorManager = em;
// Create a lock file. This grants us exclusive access
// to our set of output files, as long as we are alive.
int unique = -1;
for (;;)
{
unique++;
if (unique > MAX_LOCKS)
{
throw new IOException("Couldn't get lock for " + Pattern);
}
// Generate a lock file name from the "unique" int.
LockFileName = Generate(Pattern, 0, unique).ToString() + ".lck";
// Now try to lock that filename.
// Because some systems (e.g., Solaris) can only do file locks
// between processes (and not within a process), we first check
// if we ourself already have the file locked.
lock (Locks)
{
if (Locks.Contains(LockFileName))
{
// We already own this lock, for a different FileHandler
// object. Try again.
continue;
}
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final java.nio.file.Path lockFilePath = java.nio.file.Paths.get(lockFileName);
Path lockFilePath = Paths.Get(LockFileName);
FileChannel channel = null;
int retries = -1;
bool fileCreated = false;
while (channel == null && retries++ < 1)
{
try
{
channel = FileChannel.Open(lockFilePath, CREATE_NEW, WRITE);
fileCreated = true;
}
catch (FileAlreadyExistsException)
{
// This may be a zombie file left over by a previous
// execution. Reuse it - but only if we can actually
// write to its directory.
// Note that this is a situation that may happen,
// but not too frequently.
if (Files.IsRegularFile(lockFilePath, LinkOption.NOFOLLOW_LINKS) && IsParentWritable(lockFilePath))
{
try
{
channel = FileChannel.Open(lockFilePath, WRITE, APPEND);
}
catch (NoSuchFileException)
{
// Race condition - retry once, and if that
// fails again just try the next name in
// the sequence.
continue;
}
catch (IOException)
{
// the file may not be writable for us.
// try the next name in the sequence
break;
}
}
else
{
// at this point channel should still be null.
// break and try the next name in the sequence.
break;
}
}
}
if (channel == null) // try the next name;
{
continue;
}
LockFileChannel = channel;
bool available;
try
{
available = LockFileChannel.TryLock() != null;
// We got the lock OK.
// At this point we could call File.deleteOnExit().
// However, this could have undesirable side effects
// as indicated by JDK-4872014. So we will instead
// rely on the fact that close() will remove the lock
// file and that whoever is creating FileHandlers should
// be responsible for closing them.
}
catch (IOException)
{
// We got an IOException while trying to get the lock.
// This normally indicates that locking is not supported
// on the target directory. We have to proceed without
// getting a lock. Drop through, but only if we did
// create the file...
available = fileCreated;
}
catch (OverlappingFileLockException)
{
// someone already locked this file in this VM, through
// some other channel - that is - using something else
// than new FileHandler(...);
// continue searching for an available lock.
available = false;
}
if (available)
{
// We got the lock. Remember it.
Locks.Add(LockFileName);
break;
}
// We failed to get the lock. Try next file.
LockFileChannel.Close();
}
}
Files = new File[Count];
for (int i = 0; i < Count; i++)
{
Files[i] = Generate(Pattern, i, unique);
}
// Create the initial log file.
if (Append)
{
Open(Files[0], true);
}
else
{
Rotate();
}
// Did we detect any exceptions during initialization?
Exception ex = em.LastException;
if (ex != null)
{
if (ex is IOException)
{
throw (IOException)ex;
}
else if (ex is SecurityException)
{
throw (SecurityException)ex;
}
else
{
throw new IOException("Exception: " + ex);
}
}
// Install the normal default ErrorManager.
ErrorManager = new ErrorManager();
}
public void Close()
{
_serverChannel.Close();
}
public static void LoadDict(Context context)
{
try
{
bool resaveEntries = false;
dictParts = new List <byte[]>();
dictIndexes = new List <int>();
File dictFd = new File(context.FilesDir, "dict.db");
if (!dictFd.Exists())
{ // || dictFd.length() != 4961308) {
System.Console.WriteLine("DOES NOT EXIST!!!!!");
CopyFile(context, "dict.db");
dictFd = new File(context.FilesDir, "dict.db");
resaveEntries = true;
}
dictFile = new RandomAccessFile(dictFd, "r");
File idxFd = new File(context.FilesDir, "idx.db");
if (!idxFd.Exists())
{ // || idxFd.length() != 3145553) {
CopyFile(context, "idx.db");
idxFd = new File(context.FilesDir, "idx.db");
resaveEntries = true;
}
FileInputStream idxBuf = new FileInputStream(idxFd);
if (!new File(context.FilesDir, "entries.bin").Exists() || !new File(context.FilesDir, "parts.bin").Exists())
{
resaveEntries = true;
}
entries = IntBuffer.Allocate(1649830);
int index = 0;
//System.Console.WriteLine("LoadDict STEP 1");
if (idxBuf != null)
{
int readLen, offset = 0, partLen = 200000;
byte[] dictPart = new byte[partLen];
int totalRead = 0;
int totalLen = (int)idxFd.Length();
while (totalRead < totalLen && (readLen = idxBuf.Read(dictPart, offset, dictPart.Length - offset)) > 0)
{
//System.Console.WriteLine("LoadDict \ntotalRead = " + totalRead + "\ntotalLen = " + totalLen + "\nreadLen = " + readLen + "\nidxBuf.Read = " + idxBuf.Read(dictPart, offset, dictPart.Length - offset));
totalRead += readLen;
int j = offset + readLen - 1;
byte[] newDictPart = null;
if (readLen == partLen - offset)
{
//System.Console.WriteLine("LoadDict STEP 4.1 " + dictPart[j] + " :: j => " + j);
while (dictPart[j] > 0)
{
//System.Console.WriteLine("j = " + j + "\ndictPart[j] = " + dictPart[j]);
j--;
}
//System.Console.WriteLine("LoadDict STEP 4.2");
while (dictPart[j] < 0)
{
System.Console.WriteLine("j = " + j);
j--;
}
//System.Console.WriteLine("LoadDict STEP 4.3");
offset = partLen - j - 1;
//System.Console.WriteLine("LoadDict STEP 4.4");
newDictPart = new byte[Math.Min(totalLen - totalRead + offset, partLen)];
//System.Console.WriteLine("LoadDict STEP 4.5");
Java.Lang.JavaSystem.Arraycopy(dictPart, j + 1, newDictPart, 0, offset);
//Array.Copy(dictPart, j + 1, newDictPart, 0, offset);
}
else
{
offset = 0;
}
//System.Console.WriteLine("LoadDict STEP 5");
if (resaveEntries)
{
dictIndexes.Add(index);
//System.Console.WriteLine("LoadDict STEP 6");
int i = 0;
while (i <= j)
{
entries.Put(index++, i);
while (i <= j && dictPart[i] < 0)
{
i++;
}
while (i <= j && dictPart[i] >= 0)
{
i++;
}
}
}
//System.Console.WriteLine("LoadDict STEP 7");
dictParts.Add(dictPart);
dictPart = newDictPart;
//System.Console.WriteLine("LoadDict STEP 8");
}
idxBuf.Close();
}
if (resaveEntries)
{
//System.Console.WriteLine("LoadDict STEP 9");
DataOutputStream entriesOut = null, partsOut = null;
//System.Console.WriteLine("LoadDict STEP 10");
entriesOut = new DataOutputStream(context.OpenFileOutput("entries.bin", FileCreationMode.Private));
int count = entries.Capacity();
for (int i = 0; i < count; i++)
{
entriesOut.WriteInt(entries.Get(i));
}
//System.Console.WriteLine("LoadDict STEP 11");
partsOut = new DataOutputStream(context.OpenFileOutput("parts.bin", FileCreationMode.Private));
foreach (int i in dictIndexes)
{
partsOut.WriteInt(i);
}
//System.Console.WriteLine("LoadDict STEP 12");
if (entriesOut != null)
{
entriesOut.Flush();
entriesOut.Close();
}
if (partsOut != null)
{
partsOut.Flush();
partsOut.Close();
}
}
else
{
//System.Console.WriteLine("LoadDict NOW RESAVING ENTRIES");
string documentpath = System.Environment.GetFolderPath(System.Environment.SpecialFolder.Personal);
Java.IO.File sdpath = global::Android.OS.Environment.GetExternalStoragePublicDirectory(global::Android.OS.Environment.DirectoryDownloads);
File entriesDB = new File(documentpath, "entries.bin");
File partsDB = new File(documentpath, "parts.bin");
FileInputStream entriesIn = null, partsIn = null;
//entriesIn = context.OpenFileInput("entries.bin");
entriesIn = new FileInputStream(entriesDB);
//entriesIn = new FileInputStream(new File("entries.bin"));
FileChannel file = entriesIn.Channel;
ByteBuffer bb = ByteBuffer.Allocate(4 * 1649830);
file.Read(bb);
bb.Rewind();
entries = bb.AsIntBuffer();
file.Close();
partsIn = new FileInputStream(partsDB);
//partsIn = new FileInputStream(new File("parts.bin"));
//partsIn = (context.OpenFileInput("parts.bin");
file = partsIn.Channel;
bb = ByteBuffer.Allocate((int)file.Size());
file.Read(bb);
bb.Rewind();
IntBuffer ib = bb.AsIntBuffer();
int count = ib.Capacity();
//System.Console.WriteLine("LoadDict STEP 99 " + count);
for (int i = 0; i < count; i++)
{
dictIndexes.Add(ib.Get(i));
}
file.Close();
if (entriesIn != null)
{
entriesIn.Close();
}
if (partsIn != null)
{
partsIn.Close();
}
}
}
catch (Exception e)
{
System.Console.WriteLine("Dict LoadDict ERROR => " + e.Message);
Log.Equals("chinesreader", e.Message);
}
byteBuffer = new byte[1090];
sharedPrefs = PreferenceManager.GetDefaultSharedPreferences(context);
}
public void Close()
{
_clientChannel.Close();
}
