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Overview
| Comment: | Incomplete work in progress on stream adapter object lifetime fixes. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | sessionStreamManager |
| Files: | files | file ages | folders |
| SHA1: |
c4fb95f1eb9275fc36d7f08b5dcc6dfc |
| User & Date: | mistachkin 2017-10-12 22:27:05 |
Context
|
2017-10-13
| ||
| 16:47 | Further adjustments. check-in: fc3f62b4be user: mistachkin tags: sessionStreamManager | |
|
2017-10-12
| ||
| 22:27 | Incomplete work in progress on stream adapter object lifetime fixes. check-in: c4fb95f1eb user: mistachkin tags: sessionStreamManager | |
| 20:04 | Add stream tests for the CombineWith and Apply methods. check-in: cce9d5de83 user: mistachkin tags: sessions | |
Changes
Changes to System.Data.SQLite/SQLiteSession.cs.
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///////////////////////////////////////////////////////////////////////////
#region SQLiteStreamChangeSetIterator Class
internal sealed class SQLiteStreamChangeSetIterator :
SQLiteChangeSetIterator
{
#region Private Constructors
private SQLiteStreamChangeSetIterator(
IntPtr iterator,
bool ownHandle
)
: base(iterator, ownHandle)
{
// do nothing.
}
#endregion
///////////////////////////////////////////////////////////////////////
#region Static "Factory" Methods
public static SQLiteStreamChangeSetIterator Create(
................................................................................
Stream stream,
SQLiteConnectionFlags flags
)
{
if (stream == null)
throw new ArgumentNullException("stream");
SQLiteStreamChangeSetIterator result = null;
IntPtr iterator = IntPtr.Zero;
try
{
SQLiteErrorCode rc = UnsafeNativeMethods.sqlite3changeset_start_strm(
ref iterator, new SQLiteStreamAdapter(stream, flags).xInput,
IntPtr.Zero);
if (rc != SQLiteErrorCode.Ok)
throw new SQLiteException(rc, "sqlite3changeset_start_strm");
result = new SQLiteStreamChangeSetIterator(iterator, true);
}
finally
{
if (result == null)
{
if (iterator != IntPtr.Zero)
{
UnsafeNativeMethods.sqlite3changeset_finalize(
iterator);
iterator = IntPtr.Zero;
}
}
}
return result;
}
#endregion
................................................................................
return flags;
}
#endregion
///////////////////////////////////////////////////////////////////////
#region Native Callback Methods
internal SQLiteErrorCode xInput(
IntPtr context,
IntPtr pData,
ref int nData
)
{
try
{
Stream localStream = Interlocked.CompareExchange(
ref stream, null, null);
if (localStream == null)
return SQLiteErrorCode.Misuse;
if (nData > 0)
{
byte[] bytes = new byte[nData];
nData = localStream.Read(bytes, 0, nData);
if (nData > 0)
Marshal.Copy(bytes, 0, pData, nData);
}
return SQLiteErrorCode.Ok;
}
catch (Exception e)
{
try
................................................................................
}
return SQLiteErrorCode.IoErr_Read;
}
///////////////////////////////////////////////////////////////////////
internal SQLiteErrorCode xOutput(
IntPtr context,
IntPtr pData,
int nData
)
{
try
{
Stream localStream = Interlocked.CompareExchange(
ref stream, null, null);
if (localStream == null)
return SQLiteErrorCode.Misuse;
if (nData > 0)
{
byte[] bytes = new byte[nData];
Marshal.Copy(pData, bytes, 0, nData);
localStream.Write(bytes, 0, nData);
}
localStream.Flush();
return SQLiteErrorCode.Ok;
}
................................................................................
///////////////////////////////////////////////////////////////////////
private /* protected virtual */ void Dispose(bool disposing)
{
try
{
//if (!disposed)
//{
// if (disposing)
// {
// ////////////////////////////////////
// // dispose managed resources here...
// ////////////////////////////////////
// }
// //////////////////////////////////////
// // release unmanaged resources here...
// //////////////////////////////////////
//}
}
finally
{
//
// NOTE: Everything should be fully disposed at this point.
//
disposed = true;
................................................................................
}
#endregion
}
#endregion
///////////////////////////////////////////////////////////////////////////
#region SQLiteChangeGroup Class
internal sealed class SQLiteChangeGroup : ISQLiteChangeGroup
{
#region Private Data
private SQLiteConnectionFlags flags;
///////////////////////////////////////////////////////////////////////
private IntPtr changeGroup;
#endregion
................................................................................
#region Public Constructors
public SQLiteChangeGroup(
SQLiteConnectionFlags flags
)
{
this.flags = flags;
Initialize();
}
#endregion
///////////////////////////////////////////////////////////////////////
#region Private Methods
private void CheckHandle()
................................................................................
{
if (changeGroup == IntPtr.Zero)
throw new InvalidOperationException("change group not open");
}
///////////////////////////////////////////////////////////////////////
private void Initialize()
{
if (changeGroup != IntPtr.Zero)
return;
SQLiteErrorCode rc = UnsafeNativeMethods.sqlite3changegroup_new(
ref changeGroup);
if (rc != SQLiteErrorCode.Ok)
throw new SQLiteException(rc, "sqlite3changegroup_new");
}
#endregion
///////////////////////////////////////////////////////////////////////
#region ISQLiteChangeGroup Members
public void AddChangeSet(
byte[] rawData
................................................................................
)
{
CheckDisposed();
CheckHandle();
if (stream == null)
throw new ArgumentNullException("stream");
SQLiteErrorCode rc = UnsafeNativeMethods.sqlite3changegroup_add_strm(
changeGroup, new SQLiteStreamAdapter(stream, flags).xInput,
IntPtr.Zero);
if (rc != SQLiteErrorCode.Ok)
throw new SQLiteException(rc, "sqlite3changegroup_add_strm");
}
///////////////////////////////////////////////////////////////////////
................................................................................
)
{
CheckDisposed();
CheckHandle();
if (stream == null)
throw new ArgumentNullException("stream");
SQLiteErrorCode rc = UnsafeNativeMethods.sqlite3changegroup_output_strm(
changeGroup, new SQLiteStreamAdapter(stream, flags).xOutput,
IntPtr.Zero);
if (rc != SQLiteErrorCode.Ok)
throw new SQLiteException(rc, "sqlite3changegroup_output_strm");
}
#endregion
///////////////////////////////////////////////////////////////////////
................................................................................
{
if (disposing)
{
////////////////////////////////////
// dispose managed resources here...
////////////////////////////////////
if (changeGroup != IntPtr.Zero)
{
UnsafeNativeMethods.sqlite3changegroup_delete(
changeGroup);
changeGroup = IntPtr.Zero;
}
}
//////////////////////////////////////
// release unmanaged resources here...
//////////////////////////////////////
}
}
finally
{
//
// NOTE: Everything should be fully disposed at this point.
//
................................................................................
///////////////////////////////////////////////////////////////////////////
#region SQLiteSession Class
internal sealed class SQLiteSession : SQLiteConnectionLock, ISQLiteSession
{
#region Private Data
private string databaseName;
///////////////////////////////////////////////////////////////////////
private IntPtr session;
///////////////////////////////////////////////////////////////////////
................................................................................
SQLiteConnectionFlags flags,
string databaseName
)
: base(handle, flags)
{
this.databaseName = databaseName;
Initialize();
}
#endregion
///////////////////////////////////////////////////////////////////////
#region Private Methods
private void CheckHandle()
................................................................................
{
if (session == IntPtr.Zero)
throw new InvalidOperationException("session is not open");
}
///////////////////////////////////////////////////////////////////////
private void Initialize()
{
if (session != IntPtr.Zero)
return;
SQLiteErrorCode rc = UnsafeNativeMethods.sqlite3session_create(
GetIntPtr(), SQLiteString.GetUtf8BytesFromString(databaseName),
ref session);
................................................................................
{
this.tableFilterCallback = callback;
this.tableFilterClientData = clientData;
return (callback != null) ?
xFilter : (UnsafeNativeMethods.xSessionFilter)null;
}
///////////////////////////////////////////////////////////////////////
#region Native Callback Methods
private int xFilter(
IntPtr context, /* NOT USED */
IntPtr pTblName
................................................................................
{
CheckDisposed();
CheckHandle();
if (stream == null)
throw new ArgumentNullException("stream");
SQLiteConnectionFlags flags = GetFlags();
SQLiteErrorCode rc = UnsafeNativeMethods.sqlite3session_changeset_strm(
session, new SQLiteStreamAdapter(stream, flags).xOutput,
IntPtr.Zero);
if (rc != SQLiteErrorCode.Ok)
throw new SQLiteException(rc, "sqlite3session_changeset_strm");
}
///////////////////////////////////////////////////////////////////////
................................................................................
{
CheckDisposed();
CheckHandle();
if (stream == null)
throw new ArgumentNullException("stream");
SQLiteConnectionFlags flags = GetFlags();
SQLiteErrorCode rc = UnsafeNativeMethods.sqlite3session_patchset_strm(
session, new SQLiteStreamAdapter(stream, flags).xOutput,
IntPtr.Zero);
if (rc != SQLiteErrorCode.Ok)
throw new SQLiteException(rc, "sqlite3session_patchset_strm");
}
///////////////////////////////////////////////////////////////////////
................................................................................
protected override void Dispose(bool disposing)
{
try
{
if (!disposed)
{
//if (disposing)
//{
// ////////////////////////////////////
// // dispose managed resources here...
// ////////////////////////////////////
//}
//////////////////////////////////////
// release unmanaged resources here...
//////////////////////////////////////
if (session != IntPtr.Zero)
{
................................................................................
///////////////////////////////////////////////////////////////////////////
#region SQLiteStreamChangeSet Class
internal sealed class SQLiteStreamChangeSet :
SQLiteChangeSetBase, ISQLiteChangeSet
{
#region Private Data
private Stream inputStream;
private Stream outputStream;
#endregion
///////////////////////////////////////////////////////////////////////
#region Private Constructors
................................................................................
private void CheckInputStream()
{
if (inputStream == null)
{
throw new InvalidOperationException(
"input stream unavailable");
}
}
///////////////////////////////////////////////////////////////////////
private void CheckOutputStream()
{
if (outputStream == null)
{
throw new InvalidOperationException(
"output stream unavailable");
}
}
#endregion
///////////////////////////////////////////////////////////////////////
#region ISQLiteChangeSet Members
public ISQLiteChangeSet Invert()
{
CheckDisposed();
CheckInputStream();
CheckOutputStream();
SQLiteConnectionFlags flags = GetFlags();
SQLiteErrorCode rc = UnsafeNativeMethods.sqlite3changeset_invert_strm(
new SQLiteStreamAdapter(inputStream, flags).xInput, IntPtr.Zero,
new SQLiteStreamAdapter(outputStream, flags).xOutput, IntPtr.Zero);
if (rc != SQLiteErrorCode.Ok)
throw new SQLiteException(rc, "sqlite3changeset_invert_strm");
return null;
}
................................................................................
{
throw new ArgumentException(
"not a stream based change set", "changeSet");
}
streamChangeSet.CheckInputStream();
SQLiteConnectionFlags otherFlags = streamChangeSet.GetFlags();
SQLiteConnectionFlags flags = GetFlags();
SQLiteErrorCode rc = UnsafeNativeMethods.sqlite3changeset_concat_strm(
new SQLiteStreamAdapter(inputStream, flags).xInput,
IntPtr.Zero, new SQLiteStreamAdapter(streamChangeSet.inputStream,
otherFlags).xInput, IntPtr.Zero, new SQLiteStreamAdapter(
outputStream, flags).xOutput, IntPtr.Zero);
if (rc != SQLiteErrorCode.Ok)
throw new SQLiteException(rc, "sqlite3changeset_concat_strm");
return null;
}
................................................................................
UnsafeNativeMethods.xSessionFilter xFilter = GetDelegate(
tableFilterCallback, clientData);
UnsafeNativeMethods.xSessionConflict xConflict = GetDelegate(
conflictCallback, clientData);
SQLiteConnectionFlags flags = GetFlags();
SQLiteErrorCode rc = UnsafeNativeMethods.sqlite3changeset_apply_strm(
GetIntPtr(), new SQLiteStreamAdapter(inputStream, flags).xInput,
IntPtr.Zero, xFilter, xConflict, IntPtr.Zero);
if (rc != SQLiteErrorCode.Ok)
throw new SQLiteException(rc, "sqlite3changeset_apply_strm");
}
#endregion
///////////////////////////////////////////////////////////////////////
|
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///////////////////////////////////////////////////////////////////////////
#region SQLiteStreamChangeSetIterator Class
internal sealed class SQLiteStreamChangeSetIterator :
SQLiteChangeSetIterator
{
#region Private Data
private SQLiteStreamAdapter streamAdapter;
#endregion
///////////////////////////////////////////////////////////////////////
#region Private Constructors
private SQLiteStreamChangeSetIterator(
SQLiteStreamAdapter streamAdapter,
IntPtr iterator,
bool ownHandle
)
: base(iterator, ownHandle)
{
this.streamAdapter = streamAdapter;
}
#endregion
///////////////////////////////////////////////////////////////////////
#region Static "Factory" Methods
public static SQLiteStreamChangeSetIterator Create(
................................................................................
Stream stream,
SQLiteConnectionFlags flags
)
{
if (stream == null)
throw new ArgumentNullException("stream");
SQLiteStreamAdapter streamAdapter = null;
SQLiteStreamChangeSetIterator result = null;
IntPtr iterator = IntPtr.Zero;
try
{
streamAdapter = new SQLiteStreamAdapter(stream, flags);
SQLiteErrorCode rc = UnsafeNativeMethods.sqlite3changeset_start_strm(
ref iterator, streamAdapter.xInput, IntPtr.Zero);
if (rc != SQLiteErrorCode.Ok)
{
throw new SQLiteException(
rc, "sqlite3changeset_start_strm");
}
result = new SQLiteStreamChangeSetIterator(
streamAdapter, iterator, true);
}
finally
{
if (result == null)
{
if (iterator != IntPtr.Zero)
{
UnsafeNativeMethods.sqlite3changeset_finalize(
iterator);
iterator = IntPtr.Zero;
}
if (streamAdapter != null)
{
streamAdapter.Dispose();
streamAdapter = null;
}
}
}
return result;
}
#endregion
................................................................................
return flags;
}
#endregion
///////////////////////////////////////////////////////////////////////
#region Native Callback Methods
public SQLiteErrorCode xInput(
IntPtr context,
IntPtr pData,
ref int nData
)
{
CheckDisposed();
try
{
Stream localStream = Interlocked.CompareExchange(
ref stream, null, null);
if (localStream == null)
return SQLiteErrorCode.Misuse;
if (nData > 0)
{
byte[] bytes = new byte[nData];
int nRead = localStream.Read(bytes, 0, nData);
if (nRead > 0)
{
if (pData != IntPtr.Zero)
Marshal.Copy(bytes, 0, pData, nRead);
nData = nRead;
}
}
return SQLiteErrorCode.Ok;
}
catch (Exception e)
{
try
................................................................................
}
return SQLiteErrorCode.IoErr_Read;
}
///////////////////////////////////////////////////////////////////////
public SQLiteErrorCode xOutput(
IntPtr context,
IntPtr pData,
int nData
)
{
CheckDisposed();
try
{
Stream localStream = Interlocked.CompareExchange(
ref stream, null, null);
if (localStream == null)
return SQLiteErrorCode.Misuse;
if (nData > 0)
{
byte[] bytes = new byte[nData];
if (pData != IntPtr.Zero)
Marshal.Copy(pData, bytes, 0, nData);
localStream.Write(bytes, 0, nData);
}
localStream.Flush();
return SQLiteErrorCode.Ok;
}
................................................................................
///////////////////////////////////////////////////////////////////////
private /* protected virtual */ void Dispose(bool disposing)
{
try
{
if (!disposed)
{
if (disposing)
{
////////////////////////////////////
// dispose managed resources here...
////////////////////////////////////
}
//////////////////////////////////////
// release unmanaged resources here...
//////////////////////////////////////
Interlocked.Exchange(ref stream, null); /* NOT OWNED */
}
}
finally
{
//
// NOTE: Everything should be fully disposed at this point.
//
disposed = true;
................................................................................
}
#endregion
}
#endregion
///////////////////////////////////////////////////////////////////////////
#region SQLiteSessionStreamManager Class
internal sealed class SQLiteSessionStreamManager : IDisposable
{
#region Private Data
private Dictionary<Stream, SQLiteStreamAdapter> streamAdapters;
private SQLiteConnectionFlags flags;
#endregion
///////////////////////////////////////////////////////////////////////
#region Public Constructors
public SQLiteSessionStreamManager(
SQLiteConnectionFlags flags
)
{
this.flags = flags;
InitializeStreamAdapters();
}
#endregion
///////////////////////////////////////////////////////////////////////
#region Private Methods
private void InitializeStreamAdapters()
{
if (streamAdapters != null)
return;
streamAdapters = new Dictionary<Stream, SQLiteStreamAdapter>();
}
///////////////////////////////////////////////////////////////////////
private void DisposeStreamAdapters()
{
if (streamAdapters == null)
return;
foreach (KeyValuePair<Stream, SQLiteStreamAdapter> pair
in streamAdapters)
{
SQLiteStreamAdapter streamAdapter = pair.Value;
if (streamAdapter == null)
continue;
streamAdapter.Dispose();
}
streamAdapters.Clear();
streamAdapters = null;
}
#endregion
///////////////////////////////////////////////////////////////////////
#region Public Methods
public SQLiteStreamAdapter GetAdapter(
Stream stream
)
{
CheckDisposed();
if (stream == null)
return null;
SQLiteStreamAdapter streamAdapter;
if (streamAdapters.TryGetValue(stream, out streamAdapter))
return streamAdapter;
streamAdapter = new SQLiteStreamAdapter(stream, flags);
streamAdapters.Add(stream, streamAdapter);
return streamAdapter;
}
#endregion
///////////////////////////////////////////////////////////////////////
#region IDisposable Members
public void Dispose()
{
Dispose(true);
GC.SuppressFinalize(this);
}
#endregion
///////////////////////////////////////////////////////////////////////
#region IDisposable "Pattern" Members
private bool disposed;
private void CheckDisposed() /* throw */
{
#if THROW_ON_DISPOSED
if (disposed)
{
throw new ObjectDisposedException(
typeof(SQLiteSessionStreamManager).Name);
}
#endif
}
///////////////////////////////////////////////////////////////////////
private /* protected virtual */ void Dispose(bool disposing)
{
try
{
if (!disposed)
{
if (disposing)
{
////////////////////////////////////
// dispose managed resources here...
////////////////////////////////////
DisposeStreamAdapters();
}
//////////////////////////////////////
// release unmanaged resources here...
//////////////////////////////////////
}
}
finally
{
//
// NOTE: Everything should be fully disposed at this point.
//
disposed = true;
}
}
#endregion
///////////////////////////////////////////////////////////////////////
#region Destructor
~SQLiteSessionStreamManager()
{
Dispose(false);
}
#endregion
}
#endregion
///////////////////////////////////////////////////////////////////////////
#region SQLiteChangeGroup Class
internal sealed class SQLiteChangeGroup : ISQLiteChangeGroup
{
#region Private Data
private SQLiteSessionStreamManager streamManager;
private SQLiteConnectionFlags flags;
///////////////////////////////////////////////////////////////////////
private IntPtr changeGroup;
#endregion
................................................................................
#region Public Constructors
public SQLiteChangeGroup(
SQLiteConnectionFlags flags
)
{
this.flags = flags;
InitializeHandle();
}
#endregion
///////////////////////////////////////////////////////////////////////
#region Private Methods
private void CheckHandle()
................................................................................
{
if (changeGroup == IntPtr.Zero)
throw new InvalidOperationException("change group not open");
}
///////////////////////////////////////////////////////////////////////
private void InitializeHandle()
{
if (changeGroup != IntPtr.Zero)
return;
SQLiteErrorCode rc = UnsafeNativeMethods.sqlite3changegroup_new(
ref changeGroup);
if (rc != SQLiteErrorCode.Ok)
throw new SQLiteException(rc, "sqlite3changegroup_new");
}
///////////////////////////////////////////////////////////////////////
private void InitializeStreamManager()
{
if (streamManager != null)
return;
streamManager = new SQLiteSessionStreamManager(flags);
}
///////////////////////////////////////////////////////////////////////
private SQLiteStreamAdapter GetStreamAdapter(
Stream stream
)
{
InitializeStreamManager();
return streamManager.GetAdapter(stream);
}
#endregion
///////////////////////////////////////////////////////////////////////
#region ISQLiteChangeGroup Members
public void AddChangeSet(
byte[] rawData
................................................................................
)
{
CheckDisposed();
CheckHandle();
if (stream == null)
throw new ArgumentNullException("stream");
SQLiteStreamAdapter streamAdapter = GetStreamAdapter(stream);
if (streamAdapter == null)
{
throw new SQLiteException(
"could not get or create adapter for input stream");
}
SQLiteErrorCode rc = UnsafeNativeMethods.sqlite3changegroup_add_strm(
changeGroup, streamAdapter.xInput, IntPtr.Zero);
if (rc != SQLiteErrorCode.Ok)
throw new SQLiteException(rc, "sqlite3changegroup_add_strm");
}
///////////////////////////////////////////////////////////////////////
................................................................................
)
{
CheckDisposed();
CheckHandle();
if (stream == null)
throw new ArgumentNullException("stream");
SQLiteStreamAdapter streamAdapter = GetStreamAdapter(stream);
if (streamAdapter == null)
{
throw new SQLiteException(
"could not get or create adapter for output stream");
}
SQLiteErrorCode rc = UnsafeNativeMethods.sqlite3changegroup_output_strm(
changeGroup, streamAdapter.xOutput, IntPtr.Zero);
if (rc != SQLiteErrorCode.Ok)
throw new SQLiteException(rc, "sqlite3changegroup_output_strm");
}
#endregion
///////////////////////////////////////////////////////////////////////
................................................................................
{
if (disposing)
{
////////////////////////////////////
// dispose managed resources here...
////////////////////////////////////
if (streamManager != null)
{
streamManager.Dispose();
streamManager = null;
}
}
//////////////////////////////////////
// release unmanaged resources here...
//////////////////////////////////////
if (changeGroup != IntPtr.Zero)
{
UnsafeNativeMethods.sqlite3changegroup_delete(
changeGroup);
changeGroup = IntPtr.Zero;
}
}
}
finally
{
//
// NOTE: Everything should be fully disposed at this point.
//
................................................................................
///////////////////////////////////////////////////////////////////////////
#region SQLiteSession Class
internal sealed class SQLiteSession : SQLiteConnectionLock, ISQLiteSession
{
#region Private Data
private SQLiteSessionStreamManager streamManager;
private string databaseName;
///////////////////////////////////////////////////////////////////////
private IntPtr session;
///////////////////////////////////////////////////////////////////////
................................................................................
SQLiteConnectionFlags flags,
string databaseName
)
: base(handle, flags)
{
this.databaseName = databaseName;
InitializeHandle();
}
#endregion
///////////////////////////////////////////////////////////////////////
#region Private Methods
private void CheckHandle()
................................................................................
{
if (session == IntPtr.Zero)
throw new InvalidOperationException("session is not open");
}
///////////////////////////////////////////////////////////////////////
private void InitializeHandle()
{
if (session != IntPtr.Zero)
return;
SQLiteErrorCode rc = UnsafeNativeMethods.sqlite3session_create(
GetIntPtr(), SQLiteString.GetUtf8BytesFromString(databaseName),
ref session);
................................................................................
{
this.tableFilterCallback = callback;
this.tableFilterClientData = clientData;
return (callback != null) ?
xFilter : (UnsafeNativeMethods.xSessionFilter)null;
}
///////////////////////////////////////////////////////////////////////
private void InitializeStreamManager()
{
if (streamManager != null)
return;
streamManager = new SQLiteSessionStreamManager(GetFlags());
}
///////////////////////////////////////////////////////////////////////
private SQLiteStreamAdapter GetStreamAdapter(
Stream stream
)
{
InitializeStreamManager();
return streamManager.GetAdapter(stream);
}
///////////////////////////////////////////////////////////////////////
#region Native Callback Methods
private int xFilter(
IntPtr context, /* NOT USED */
IntPtr pTblName
................................................................................
{
CheckDisposed();
CheckHandle();
if (stream == null)
throw new ArgumentNullException("stream");
SQLiteStreamAdapter streamAdapter = GetStreamAdapter(stream);
if (streamAdapter == null)
{
throw new SQLiteException(
"could not get or create adapter for output stream");
}
SQLiteErrorCode rc = UnsafeNativeMethods.sqlite3session_changeset_strm(
session, streamAdapter.xOutput, IntPtr.Zero);
if (rc != SQLiteErrorCode.Ok)
throw new SQLiteException(rc, "sqlite3session_changeset_strm");
}
///////////////////////////////////////////////////////////////////////
................................................................................
{
CheckDisposed();
CheckHandle();
if (stream == null)
throw new ArgumentNullException("stream");
SQLiteStreamAdapter streamAdapter = GetStreamAdapter(stream);
if (streamAdapter == null)
{
throw new SQLiteException(
"could not get or create adapter for output stream");
}
SQLiteErrorCode rc = UnsafeNativeMethods.sqlite3session_patchset_strm(
session, streamAdapter.xOutput, IntPtr.Zero);
if (rc != SQLiteErrorCode.Ok)
throw new SQLiteException(rc, "sqlite3session_patchset_strm");
}
///////////////////////////////////////////////////////////////////////
................................................................................
protected override void Dispose(bool disposing)
{
try
{
if (!disposed)
{
if (disposing)
{
////////////////////////////////////
// dispose managed resources here...
////////////////////////////////////
if (streamManager != null)
{
streamManager.Dispose();
streamManager = null;
}
}
//////////////////////////////////////
// release unmanaged resources here...
//////////////////////////////////////
if (session != IntPtr.Zero)
{
................................................................................
///////////////////////////////////////////////////////////////////////////
#region SQLiteStreamChangeSet Class
internal sealed class SQLiteStreamChangeSet :
SQLiteChangeSetBase, ISQLiteChangeSet
{
#region Private Data
private SQLiteStreamAdapter inputStreamAdapter;
private SQLiteStreamAdapter outputStreamAdapter;
private Stream inputStream;
private Stream outputStream;
#endregion
///////////////////////////////////////////////////////////////////////
#region Private Constructors
................................................................................
private void CheckInputStream()
{
if (inputStream == null)
{
throw new InvalidOperationException(
"input stream unavailable");
}
if (inputStreamAdapter == null)
{
inputStreamAdapter = new SQLiteStreamAdapter(
inputStream, GetFlags());
}
}
///////////////////////////////////////////////////////////////////////
private void CheckOutputStream()
{
if (outputStream == null)
{
throw new InvalidOperationException(
"output stream unavailable");
}
if (outputStreamAdapter == null)
{
outputStreamAdapter = new SQLiteStreamAdapter(
outputStream, GetFlags());
}
}
#endregion
///////////////////////////////////////////////////////////////////////
#region ISQLiteChangeSet Members
public ISQLiteChangeSet Invert()
{
CheckDisposed();
CheckInputStream();
CheckOutputStream();
SQLiteErrorCode rc = UnsafeNativeMethods.sqlite3changeset_invert_strm(
inputStreamAdapter.xInput, IntPtr.Zero,
outputStreamAdapter.xOutput, IntPtr.Zero);
if (rc != SQLiteErrorCode.Ok)
throw new SQLiteException(rc, "sqlite3changeset_invert_strm");
return null;
}
................................................................................
{
throw new ArgumentException(
"not a stream based change set", "changeSet");
}
streamChangeSet.CheckInputStream();
SQLiteErrorCode rc = UnsafeNativeMethods.sqlite3changeset_concat_strm(
inputStreamAdapter.xInput, IntPtr.Zero,
streamChangeSet.inputStreamAdapter.xInput, IntPtr.Zero,
outputStreamAdapter.xOutput, IntPtr.Zero);
if (rc != SQLiteErrorCode.Ok)
throw new SQLiteException(rc, "sqlite3changeset_concat_strm");
return null;
}
................................................................................
UnsafeNativeMethods.xSessionFilter xFilter = GetDelegate(
tableFilterCallback, clientData);
UnsafeNativeMethods.xSessionConflict xConflict = GetDelegate(
conflictCallback, clientData);
SQLiteErrorCode rc = UnsafeNativeMethods.sqlite3changeset_apply_strm(
GetIntPtr(), inputStreamAdapter.xInput, IntPtr.Zero, xFilter,
xConflict, IntPtr.Zero);
if (rc != SQLiteErrorCode.Ok)
throw new SQLiteException(rc, "sqlite3changeset_apply_strm");
}
#endregion
///////////////////////////////////////////////////////////////////////
|
Changes to Tests/session.eagle.
86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 ... 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 ... 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 ... 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 ... 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 ... 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 ... 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 ... 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 ... 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 ... 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 .... 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 |
return [object invoke -flags +NonPublic \
System.Data.SQLite.HelperMethods ToDisplayString $value]
}
}
###############################################################################
proc createMemoryChangeSetForSession { session } {
if {[isObjectHandle $session] && $session ne "null"} then {
set byteArray null
$session -alias CreateChangeSet byteArray
set rawData [createByteArray [arrayToList byteArray]]
object removeref $rawData
return $rawData
}
return null
}
###############################################################################
................................................................................
}
return false
}
###############################################################################
proc writeStreamChangeSetForSession { session fileName } {
if {[isObjectHandle $session] && $session ne "null"} then {
set stream [object create -alias \
System.IO.FileStream $fileName Create Write]
$session -alias CreateChangeSet $stream
$stream Flush; $stream Close
return true
}
return false
}
................................................................................
###############################################################################
proc matchSession { connection session expr } {
if {[isObjectHandle $session] && $session ne "null"} then {
if {![$session IsEmpty]} then {
set rawData [createMemoryChangeSetForSession $session]
object removeref $rawData
if {[isObjectHandle $rawData] && $rawData ne "null"} then {
return [matchChangeSet [set changeSet \
[$connection -alias CreateChangeSet $rawData]] $expr]
}
}
}
................................................................................
$session AttachTable $tableName
if {![isObjectHandle $session] || $session eq "null"} then {
error "cannot create session"
}
catch {uplevel 1 $script}
set rawData [createMemoryChangeSetForSession $session]
object removeref $rawData
return $rawData
}
###############################################################################
proc captureChangeSetFile {
connection databaseName tableName script fileName } {
if {![isObjectHandle $connection] || $connection eq "null"} then {
................................................................................
return $result
}
###############################################################################
proc createByteArray { list } {
set length [llength $list]
set result [object create -alias System.Byte\[\] $length]
for {set index 0} {$index < $length} {incr index} {
set element [lindex $list $index]
set value [object invoke -create Byte Parse $element]
$result SetValue $value $index
}
return $result
}
###############################################################################
proc tableFilterCallbackT1 { clientData name } {
lappend ::callbackResults [object invoke -create \
System.Boolean Parse [expr {[$name ToString] in [list t1]}]]
................................................................................
set session [$connection -alias CreateSession main]
$session AttachTable null
makeSomeChanges $db t1 [list insert update delete]
set rawData [createMemoryChangeSetForSession $session]
object removeref $rawData
writeRawDataToFile $fileName(1) $rawData
writeStreamChangeSetForSession $session $fileName(2)
openStreamChangeSetForConnection $connection $fileName(2) "" state
list [expr {[file size $fileName(1)] > 0}] \
[string equal [readFile $fileName(1)] [readFile $fileName(2)]] \
................................................................................
set session [$connection -alias CreateSession main]
$session AttachTable null
makeSomeChanges $db t1 [list insert update delete]
set rawData [createMemoryChangeSetForSession $session]
object removeref $rawData
set changeSet(1) [$connection -alias CreateChangeSet $rawData]
set changeSet(2) [$changeSet(1) -alias Invert]
list [changeSetToString $changeSet(2) true]
} -cleanup {
cleanupSomeText
unset -nocomplain changeSet rawData byteArray session
................................................................................
$session SetToDisabled
lappend result IsEnabled [$session IsEnabled]
makeSomeChanges $db t1 [list insert]
lappend result IsEmpty [$session IsEmpty]
set rawData [createMemoryChangeSetForSession $session]
object removeref $rawData
lappend result Length [$rawData Length]
$session SetToEnabled
lappend result IsEnabled [$session IsEnabled]
makeSomeChanges $db t1 [list insert]
lappend result IsEmpty [$session IsEmpty]
set rawData [createMemoryChangeSetForSession $session]
object removeref $rawData
set changeSet(1) [$connection -alias CreateChangeSet $rawData]
lappend result [changeSetToString $changeSet(1) false]
} -cleanup {
cleanupSomeText
unset -nocomplain result changeSet rawData byteArray session
freeDbConnection
................................................................................
$session SetToIndirect
lappend result IsIndirect [$session IsIndirect]
makeSomeChanges $db t1 [list insert]
lappend result IsEmpty [$session IsEmpty]
set rawData [createMemoryChangeSetForSession $session]
object removeref $rawData
$session SetToDirect
lappend result IsIndirect [$session IsIndirect]
makeSomeChanges $db t1 [list insert]
lappend result IsEmpty [$session IsEmpty]
set rawData [createMemoryChangeSetForSession $session]
object removeref $rawData
set changeSet(1) [$connection -alias CreateChangeSet $rawData]
lappend result [changeSetToString $changeSet(1) false]
} -cleanup {
cleanupSomeText
unset -nocomplain result changeSet rawData byteArray session
freeDbConnection
................................................................................
createTheSchema $db main
makeSomeChanges $db t1 [list insert insert]
set connection [getDbConnection]
set rawData(1) [captureChangeSetRawData $connection main null {
makeSomeChanges $db t1 [list delete] 1
}]; object removeref $rawData(1)
makeSomeChanges $db t1 [list insert] 1
set rawData(2) [captureChangeSetRawData $connection main null {
makeSomeChanges $db t1 [list insert]
}]; object removeref $rawData(2)
set changeSet(1) [$connection -alias CreateChangeSet $rawData(1)]
set changeSet(2) [$connection -alias CreateChangeSet $rawData(2)]
set changeSet(3) [$changeSet(1) -alias CombineWith $changeSet(2)]
$changeSet(3) -marshalflags +DynamicCallback \
Apply conflictCallback null
list [changeSetToString $changeSet(3) true] Data \
[sql execute -execute reader -format list $db \
................................................................................
rename changeSetToString ""
rename metadataItemToString ""
rename changeSetFileToString ""
rename writeStreamChangeSetForSession ""
rename openStreamChangeSetForConnection ""
rename writeRawDataToFile ""
rename createMemoryChangeSetForSession ""
rename forDisplay ""
rename cleanupSomeText ""
rename getSomeText ""
###############################################################################
runSQLiteTestEpilogue
runTestEpilogue
|
> > > > > > > > > > > | > > > > | | < < < > | > > > | > > < | < < < > | > > > > > | | > < | > > < < | > > < < | > > | | | > > | > > > |
86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 ... 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 ... 256 257 258 259 260 261 262 263 264 265 266 267 268 269 ... 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 ... 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 ... 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 ... 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 ... 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 ... 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 ... 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 .... 1034 1035 1036 1037 1038 1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049 |
return [object invoke -flags +NonPublic \
System.Data.SQLite.HelperMethods ToDisplayString $value]
}
}
###############################################################################
proc createMemoryChangeSetForConnection { connection rawData } {
if {[isObjectHandle $connection] && $connection ne "null"} then {
return [$connection -alias \
-objectflags +NoReturnReference CreateChangeSet $rawData]
}
return null
}
###############################################################################
proc createMemoryChangeSetForSession { session {patch false} } {
if {[isObjectHandle $session] && $session ne "null"} then {
set byteArray null
if {$patch} then {
$session -alias CreatePatchSet byteArray
} else {
$session -alias CreateChangeSet byteArray
}
return [createByteArray [arrayToList byteArray]]
}
return null
}
###############################################################################
................................................................................
}
return false
}
###############################################################################
proc writeStreamChangeSetForSession { session fileName {patch false} } {
if {[isObjectHandle $session] && $session ne "null"} then {
set stream [object create -alias \
System.IO.FileStream $fileName Create Write]
if {$patch} then {
$session -alias CreatePatchSet $stream
} else {
$session -alias CreateChangeSet $stream
}
$stream Flush; $stream Close
return true
}
return false
}
................................................................................
###############################################################################
proc matchSession { connection session expr } {
if {[isObjectHandle $session] && $session ne "null"} then {
if {![$session IsEmpty]} then {
set rawData [createMemoryChangeSetForSession $session]
if {[isObjectHandle $rawData] && $rawData ne "null"} then {
return [matchChangeSet [set changeSet \
[$connection -alias CreateChangeSet $rawData]] $expr]
}
}
}
................................................................................
$session AttachTable $tableName
if {![isObjectHandle $session] || $session eq "null"} then {
error "cannot create session"
}
catch {uplevel 1 $script}
return [createMemoryChangeSetForSession $session]
}
###############################################################################
proc captureChangeSetFile {
connection databaseName tableName script fileName } {
if {![isObjectHandle $connection] || $connection eq "null"} then {
................................................................................
return $result
}
###############################################################################
proc createByteArray { list } {
set length [llength $list]
set result [object create -alias \
-objectflags +NoReturnReference System.Byte\[\] $length]
for {set index 0} {$index < $length} {incr index} {
set element [lindex $list $index]
set value [object invoke -create Byte Parse $element]
$result SetValue $value $index
}
#
# NOTE: Prevent returning, which unsets all local variables,
# from causing the byte array object to be disposed.
#
object addref $result; object addref $result; return $result
}
###############################################################################
proc tableFilterCallbackT1 { clientData name } {
lappend ::callbackResults [object invoke -create \
System.Boolean Parse [expr {[$name ToString] in [list t1]}]]
................................................................................
set session [$connection -alias CreateSession main]
$session AttachTable null
makeSomeChanges $db t1 [list insert update delete]
set rawData [createMemoryChangeSetForSession $session]
debug break
writeRawDataToFile $fileName(1) $rawData
writeStreamChangeSetForSession $session $fileName(2)
openStreamChangeSetForConnection $connection $fileName(2) "" state
list [expr {[file size $fileName(1)] > 0}] \
[string equal [readFile $fileName(1)] [readFile $fileName(2)]] \
................................................................................
set session [$connection -alias CreateSession main]
$session AttachTable null
makeSomeChanges $db t1 [list insert update delete]
set rawData [createMemoryChangeSetForSession $session]
set changeSet(1) \
[createMemoryChangeSetForConnection $connection $rawData]
set changeSet(2) [$changeSet(1) -alias Invert]
list [changeSetToString $changeSet(2) true]
} -cleanup {
cleanupSomeText
unset -nocomplain changeSet rawData byteArray session
................................................................................
$session SetToDisabled
lappend result IsEnabled [$session IsEnabled]
makeSomeChanges $db t1 [list insert]
lappend result IsEmpty [$session IsEmpty]
set rawData [createMemoryChangeSetForSession $session]
lappend result Length [$rawData Length]
$session SetToEnabled
lappend result IsEnabled [$session IsEnabled]
makeSomeChanges $db t1 [list insert]
lappend result IsEmpty [$session IsEmpty]
set rawData [createMemoryChangeSetForSession $session]
set changeSet(1) \
[createMemoryChangeSetForConnection $connection $rawData]
lappend result [changeSetToString $changeSet(1) false]
} -cleanup {
cleanupSomeText
unset -nocomplain result changeSet rawData byteArray session
freeDbConnection
................................................................................
$session SetToIndirect
lappend result IsIndirect [$session IsIndirect]
makeSomeChanges $db t1 [list insert]
lappend result IsEmpty [$session IsEmpty]
set rawData [createMemoryChangeSetForSession $session]
$session SetToDirect
lappend result IsIndirect [$session IsIndirect]
makeSomeChanges $db t1 [list insert]
lappend result IsEmpty [$session IsEmpty]
set rawData [createMemoryChangeSetForSession $session]
set changeSet(1) \
[createMemoryChangeSetForConnection $connection $rawData]
lappend result [changeSetToString $changeSet(1) false]
} -cleanup {
cleanupSomeText
unset -nocomplain result changeSet rawData byteArray session
freeDbConnection
................................................................................
createTheSchema $db main
makeSomeChanges $db t1 [list insert insert]
set connection [getDbConnection]
set rawData(1) [captureChangeSetRawData $connection main null {
makeSomeChanges $db t1 [list delete] 1
}]
makeSomeChanges $db t1 [list insert] 1
set rawData(2) [captureChangeSetRawData $connection main null {
makeSomeChanges $db t1 [list insert]
}]
set changeSet(1) \
[createMemoryChangeSetForConnection $connection $rawData(1)]
set changeSet(2) \
[createMemoryChangeSetForConnection $connection $rawData(2)]
set changeSet(3) [$changeSet(1) -alias CombineWith $changeSet(2)]
$changeSet(3) -marshalflags +DynamicCallback \
Apply conflictCallback null
list [changeSetToString $changeSet(3) true] Data \
[sql execute -execute reader -format list $db \
................................................................................
rename changeSetToString ""
rename metadataItemToString ""
rename changeSetFileToString ""
rename writeStreamChangeSetForSession ""
rename openStreamChangeSetForConnection ""
rename writeRawDataToFile ""
rename createMemoryChangeSetForSession ""
rename createMemoryChangeSetForConnection ""
rename forDisplay ""
rename cleanupSomeText ""
rename getSomeText ""
###############################################################################
runSQLiteTestEpilogue
runTestEpilogue
|