internal DeltaWindow(PackConfig pc, DeltaCache dc, ObjectReader or)
{
// The object we are currently considering needs a lot of state:
config = pc;
deltaCache = dc;
reader = or;
// C Git increases the window size supplied by the user by 1.
// We don't know why it does this, but if the user asks for
// window=10, it actually processes with window=11. Because
// the window size has the largest direct impact on the final
// pack file size, we match this odd behavior here to give us
// a better chance of producing a similar sized pack as C Git.
//
// We would prefer to directly honor the user's request since
// PackWriter has a minimum of 2 for the window size, but then
// users might complain that JGit is creating a bigger pack file.
//
window = new DeltaWindowEntry[config.GetDeltaSearchWindowSize() + 1];
for (int i = 0; i < window.Length; i++)
{
window[i] = new DeltaWindowEntry();
}
maxMemory = config.GetDeltaSearchMemoryLimit();
maxDepth = config.GetMaxDeltaDepth();
}
internal DeltaTask(PackConfig config, ObjectReader reader, DeltaCache dc, ThreadSafeProgressMonitor
pm, int batchSize, int start, ObjectToPack[] list)
{
this.config = config;
this.templateReader = reader;
this.dc = dc;
this.pm = pm;
this.batchSize = batchSize;
this.start = start;
this.list = list;
}
/// <summary>Generate and write the bundle to the output stream.</summary>
/// <remarks>
/// Generate and write the bundle to the output stream.
/// <p>
/// This method can only be called once per BundleWriter instance.
/// </remarks>
/// <param name="monitor">progress monitor to report bundle writing status to.</param>
/// <param name="os">
/// the stream the bundle is written to. The stream should be
/// buffered by the caller. The caller is responsible for closing
/// the stream.
/// </param>
/// <exception cref="System.IO.IOException">
/// an error occurred reading a local object's data to include in
/// the bundle, or writing compressed object data to the output
/// stream.
/// </exception>
public virtual void WriteBundle(ProgressMonitor monitor, OutputStream os)
{
PackConfig pc = packConfig;
if (pc == null)
{
pc = new PackConfig(db);
}
PackWriter packWriter = new PackWriter(pc, db.NewObjectReader());
try
{
HashSet<ObjectId> inc = new HashSet<ObjectId>();
HashSet<ObjectId> exc = new HashSet<ObjectId>();
Sharpen.Collections.AddAll(inc, include.Values);
foreach (RevCommit r in assume)
{
exc.AddItem(r.Id);
}
packWriter.SetDeltaBaseAsOffset(true);
packWriter.SetThin(exc.Count > 0);
packWriter.SetReuseValidatingObjects(false);
if (exc.Count == 0)
{
packWriter.SetTagTargets(tagTargets);
}
packWriter.PreparePack(monitor, inc, exc);
TextWriter w = new OutputStreamWriter(os, Constants.CHARSET);
w.Write(NGit.Transport.TransportBundleConstants.V2_BUNDLE_SIGNATURE);
w.Write('\n');
char[] tmp = new char[Constants.OBJECT_ID_STRING_LENGTH];
foreach (RevCommit a in assume)
{
w.Write('-');
a.CopyTo(tmp, w);
if (a.RawBuffer != null)
{
w.Write(' ');
w.Write(a.GetShortMessage());
}
w.Write('\n');
}
foreach (KeyValuePair<string, ObjectId> e in include.EntrySet())
{
e.Value.CopyTo(tmp, w);
w.Write(' ');
w.Write(e.Key);
w.Write('\n');
}
w.Write('\n');
w.Flush();
packWriter.WritePack(monitor, monitor, os);
}
finally
{
packWriter.Release();
}
}
/// <summary>Set the configuration used by the pack generator.</summary>
/// <remarks>Set the configuration used by the pack generator.</remarks>
/// <param name="pc">
/// configuration controlling packing parameters. If null the
/// source repository's settings will be used.
/// </param>
public virtual void SetPackConfig(PackConfig pc)
{
this.packConfig = pc;
}
internal DeltaWindow(PackConfig pc, DeltaCache dc, ObjectReader or)
{
// The object we are currently considering needs a lot of state:
config = pc;
deltaCache = dc;
reader = or;
// C Git increases the window size supplied by the user by 1.
// We don't know why it does this, but if the user asks for
// window=10, it actually processes with window=11. Because
// the window size has the largest direct impact on the final
// pack file size, we match this odd behavior here to give us
// a better chance of producing a similar sized pack as C Git.
//
// We would prefer to directly honor the user's request since
// PackWriter has a minimum of 2 for the window size, but then
// users might complain that JGit is creating a bigger pack file.
//
window = new DeltaWindowEntry[config.GetDeltaSearchWindowSize() + 1];
for (int i = 0; i < window.Length; i++)
{
window[i] = new DeltaWindowEntry();
}
maxMemory = config.GetDeltaSearchMemoryLimit();
maxDepth = config.GetMaxDeltaDepth();
}
/// <exception cref="System.IO.IOException"></exception>
private void SendPack(bool sideband)
{
ProgressMonitor pm = NullProgressMonitor.INSTANCE;
OutputStream packOut = rawOut;
SideBandOutputStream msgOut = null;
if (sideband)
{
int bufsz = SideBandOutputStream.SMALL_BUF;
if (options.Contains(OPTION_SIDE_BAND_64K))
{
bufsz = SideBandOutputStream.MAX_BUF;
}
packOut = new SideBandOutputStream(SideBandOutputStream.CH_DATA, bufsz, rawOut);
if (!options.Contains(OPTION_NO_PROGRESS))
{
msgOut = new SideBandOutputStream(SideBandOutputStream.CH_PROGRESS, bufsz, rawOut
);
pm = new SideBandProgressMonitor(msgOut);
}
}
try
{
if (wantAll.IsEmpty())
{
preUploadHook.OnSendPack(this, wantIds, commonBase);
}
else
{
preUploadHook.OnSendPack(this, wantAll, commonBase);
}
}
catch (ServiceMayNotContinueException noPack)
{
if (sideband && noPack.Message != null)
{
noPack.SetOutput();
SideBandOutputStream err = new SideBandOutputStream(SideBandOutputStream.CH_ERROR
, SideBandOutputStream.SMALL_BUF, rawOut);
err.Write(Constants.Encode(noPack.Message));
err.Flush();
}
throw;
}
PackConfig cfg = packConfig;
if (cfg == null)
{
cfg = new PackConfig(db);
}
PackWriter pw = new PackWriter(cfg, walk.GetObjectReader());
try
{
pw.SetUseCachedPacks(true);
pw.SetReuseDeltaCommits(true);
pw.SetDeltaBaseAsOffset(options.Contains(OPTION_OFS_DELTA));
pw.SetThin(options.Contains(OPTION_THIN_PACK));
pw.SetReuseValidatingObjects(false);
if (commonBase.IsEmpty() && refs != null)
{
ICollection<ObjectId> tagTargets = new HashSet<ObjectId>();
foreach (Ref @ref in refs.Values)
{
if (@ref.GetPeeledObjectId() != null)
{
tagTargets.AddItem(@ref.GetPeeledObjectId());
}
else
{
if (@ref.GetObjectId() == null)
{
continue;
}
else
{
if (@ref.GetName().StartsWith(Constants.R_HEADS))
{
tagTargets.AddItem(@ref.GetObjectId());
}
}
}
}
pw.SetTagTargets(tagTargets);
}
if (depth > 0)
{
pw.SetShallowPack(depth, unshallowCommits);
}
RevWalk rw = walk;
if (wantAll.IsEmpty())
{
pw.PreparePack(pm, wantIds, commonBase);
}
else
{
walk.Reset();
ObjectWalk ow = walk.ToObjectWalkWithSameObjects();
pw.PreparePack(pm, ow, wantAll, commonBase);
rw = ow;
}
if (options.Contains(OPTION_INCLUDE_TAG) && refs != null)
{
foreach (Ref vref in refs.Values)
{
Ref @ref = vref;
ObjectId objectId = @ref.GetObjectId();
// If the object was already requested, skip it.
if (wantAll.IsEmpty())
{
if (wantIds.Contains(objectId))
{
continue;
}
}
else
{
RevObject obj = rw.LookupOrNull(objectId);
if (obj != null && obj.Has(WANT))
{
continue;
}
}
if ([email protected]())
{
@ref = db.Peel(@ref);
}
ObjectId peeledId = @ref.GetPeeledObjectId();
if (peeledId == null)
{
continue;
}
objectId = @ref.GetObjectId();
if (pw.WillInclude(peeledId) && !pw.WillInclude(objectId))
{
pw.AddObject(rw.ParseAny(objectId));
}
}
}
pw.WritePack(pm, NullProgressMonitor.INSTANCE, packOut);
statistics = pw.GetStatistics();
if (msgOut != null)
{
string msg = pw.GetStatistics().GetMessage() + '\n';
msgOut.Write(Constants.Encode(msg));
msgOut.Flush();
}
}
finally
{
pw.Release();
}
if (sideband)
{
pckOut.End();
}
if (statistics != null)
{
logger.OnPackStatistics(statistics);
}
}
/// <summary>Get the configuration used by the pack generator to make packs.</summary>
/// <remarks>
/// Get the configuration used by the pack generator to make packs.
/// If
/// <see cref="SetPackConfig(NGit.Storage.Pack.PackConfig)">SetPackConfig(NGit.Storage.Pack.PackConfig)
/// </see>
/// was previously given null a new
/// PackConfig is created on demand by this method using the source
/// repository's settings.
/// </remarks>
/// <returns>the pack configuration. Never null.</returns>
public virtual PackConfig GetPackConfig()
{
if (packConfig == null)
{
packConfig = new PackConfig(local);
}
return packConfig;
}
/// <exception cref="System.IO.IOException"></exception>
private void SendPack()
{
bool sideband = options.Contains(OPTION_SIDE_BAND) || options.Contains(OPTION_SIDE_BAND_64K
);
ProgressMonitor pm = NullProgressMonitor.INSTANCE;
OutputStream packOut = rawOut;
if (sideband)
{
int bufsz = SideBandOutputStream.SMALL_BUF;
if (options.Contains(OPTION_SIDE_BAND_64K))
{
bufsz = SideBandOutputStream.MAX_BUF;
}
packOut = new SideBandOutputStream(SideBandOutputStream.CH_DATA, bufsz, rawOut);
if (!options.Contains(OPTION_NO_PROGRESS))
{
pm = new SideBandProgressMonitor(new SideBandOutputStream(SideBandOutputStream.CH_PROGRESS
, bufsz, rawOut));
}
}
PackConfig cfg = packConfig;
if (cfg == null)
{
cfg = new PackConfig(db);
}
PackWriter pw = new PackWriter(cfg, walk.GetObjectReader());
try
{
pw.SetDeltaBaseAsOffset(options.Contains(OPTION_OFS_DELTA));
pw.SetThin(options.Contains(OPTION_THIN_PACK));
pw.PreparePack(pm, wantAll, commonBase);
if (options.Contains(OPTION_INCLUDE_TAG))
{
foreach (Ref r in refs.Values)
{
RevObject o;
try
{
o = walk.ParseAny(r.GetObjectId());
}
catch (IOException)
{
continue;
}
if (o.Has(WANT) || !(o is RevTag))
{
continue;
}
RevTag t = (RevTag)o;
if (!pw.WillInclude(t) && pw.WillInclude(t.GetObject()))
{
pw.AddObject(t);
}
}
}
pw.WritePack(pm, NullProgressMonitor.INSTANCE, packOut);
}
finally
{
pw.Release();
}
packOut.Flush();
if (sideband)
{
pckOut.End();
}
}
internal DeltaCache(PackConfig pc)
{
size = pc.GetDeltaCacheSize();
entryLimit = pc.GetDeltaCacheLimit();
queue = new ReferenceQueue <byte[]>();
}
internal ThreadSafeDeltaCache(PackConfig pc) : base(pc)
{
Lock = new ReentrantLock();
}
/// <exception cref="System.IO.IOException"></exception>
private void SendPack()
{
bool sideband = options.Contains(OPTION_SIDE_BAND) || options.Contains(OPTION_SIDE_BAND_64K
);
if (!biDirectionalPipe)
{
// Ensure the request was fully consumed. Any remaining input must
// be a protocol error. If we aren't at EOF the implementation is broken.
int eof = rawIn.Read();
if (0 <= eof)
{
throw new CorruptObjectException(MessageFormat.Format(JGitText.Get().expectedEOFReceived
, "\\x" + Sharpen.Extensions.ToHexString(eof)));
}
}
ProgressMonitor pm = NullProgressMonitor.INSTANCE;
OutputStream packOut = rawOut;
SideBandOutputStream msgOut = null;
if (sideband)
{
int bufsz = SideBandOutputStream.SMALL_BUF;
if (options.Contains(OPTION_SIDE_BAND_64K))
{
bufsz = SideBandOutputStream.MAX_BUF;
}
packOut = new SideBandOutputStream(SideBandOutputStream.CH_DATA, bufsz, rawOut);
if (!options.Contains(OPTION_NO_PROGRESS))
{
msgOut = new SideBandOutputStream(SideBandOutputStream.CH_PROGRESS, bufsz, rawOut
);
pm = new SideBandProgressMonitor(msgOut);
}
}
try
{
if (wantAll.IsEmpty())
{
preUploadHook.OnSendPack(this, wantIds, commonBase);
}
else
{
preUploadHook.OnSendPack(this, wantAll, commonBase);
}
}
catch (UploadPackMayNotContinueException noPack)
{
if (sideband && noPack.Message != null)
{
noPack.SetOutput();
SideBandOutputStream err = new SideBandOutputStream(SideBandOutputStream.CH_ERROR
, SideBandOutputStream.SMALL_BUF, rawOut);
err.Write(Constants.Encode(noPack.Message));
err.Flush();
}
throw;
}
PackConfig cfg = packConfig;
if (cfg == null)
{
cfg = new PackConfig(db);
}
PackWriter pw = new PackWriter(cfg, walk.GetObjectReader());
try
{
pw.SetUseCachedPacks(true);
pw.SetReuseDeltaCommits(true);
pw.SetDeltaBaseAsOffset(options.Contains(OPTION_OFS_DELTA));
pw.SetThin(options.Contains(OPTION_THIN_PACK));
pw.SetReuseValidatingObjects(false);
if (commonBase.IsEmpty())
{
ICollection<ObjectId> tagTargets = new HashSet<ObjectId>();
foreach (Ref @ref in refs.Values)
{
if (@ref.GetPeeledObjectId() != null)
{
tagTargets.AddItem(@ref.GetPeeledObjectId());
}
else
{
if (@ref.GetObjectId() == null)
{
continue;
}
else
{
if (@ref.GetName().StartsWith(Constants.R_HEADS))
{
tagTargets.AddItem(@ref.GetObjectId());
}
}
}
}
pw.SetTagTargets(tagTargets);
}
RevWalk rw = walk;
if (wantAll.IsEmpty())
{
pw.PreparePack(pm, wantIds, commonBase);
}
else
{
walk.Reset();
ObjectWalk ow = walk.ToObjectWalkWithSameObjects();
pw.PreparePack(pm, ow, wantAll, commonBase);
rw = ow;
}
if (options.Contains(OPTION_INCLUDE_TAG))
{
foreach (Ref vref in refs.Values)
{
Ref @ref = vref;
ObjectId objectId = @ref.GetObjectId();
// If the object was already requested, skip it.
if (wantAll.IsEmpty())
{
if (wantIds.Contains(objectId))
{
continue;
}
}
else
{
RevObject obj = rw.LookupOrNull(objectId);
if (obj != null && obj.Has(WANT))
{
continue;
}
}
if ([email protected]())
{
@ref = db.Peel(@ref);
}
ObjectId peeledId = @ref.GetPeeledObjectId();
if (peeledId == null)
{
continue;
}
objectId = @ref.GetObjectId();
if (pw.WillInclude(peeledId) && !pw.WillInclude(objectId))
{
pw.AddObject(rw.ParseAny(objectId));
}
}
}
pw.WritePack(pm, NullProgressMonitor.INSTANCE, packOut);
statistics = pw.GetStatistics();
if (msgOut != null)
{
string msg = pw.GetStatistics().GetMessage() + '\n';
msgOut.Write(Constants.Encode(msg));
msgOut.Flush();
}
}
finally
{
pw.Release();
}
if (sideband)
{
pckOut.End();
}
if (logger != null && statistics != null)
{
logger.OnPackStatistics(statistics);
}
}
internal ThreadSafeDeltaCache(PackConfig pc) : base(pc)
{
Lock = new ReentrantLock();
}