示例#1
0
 public virtual void TestContructor()
 {
     writer = new PackWriter(config, db.NewObjectReader());
     NUnit.Framework.Assert.AreEqual(false, writer.IsDeltaBaseAsOffset());
     NUnit.Framework.Assert.AreEqual(true, config.IsReuseDeltas());
     NUnit.Framework.Assert.AreEqual(true, config.IsReuseObjects());
     NUnit.Framework.Assert.AreEqual(0, writer.GetObjectCount());
 }
示例#2
0
        /// <exception cref="NGit.Errors.MissingObjectException"></exception>
        /// <exception cref="System.IO.IOException"></exception>
        private void CreateVerifyOpenPack(IList <RevObject> objectSource)
        {
            NullProgressMonitor m = NullProgressMonitor.INSTANCE;

            writer = new PackWriter(config, db.NewObjectReader());
            writer.PreparePack(objectSource.Iterator());
            NUnit.Framework.Assert.AreEqual(objectSource.Count, writer.GetObjectCount());
            writer.WritePack(m, m, os);
            writer.Release();
            VerifyOpenPack(false);
        }
        /// <exception cref="NGit.Errors.TransportException"></exception>
        private void Sendpack(IList <RemoteRefUpdate> updates, ProgressMonitor monitor)
        {
            string     pathPack = null;
            string     pathIdx  = null;
            PackWriter writer   = new PackWriter(transport.GetPackConfig(), local.NewObjectReader
                                                     ());

            try
            {
                ICollection <ObjectId> need = new HashSet <ObjectId>();
                ICollection <ObjectId> have = new HashSet <ObjectId>();
                foreach (RemoteRefUpdate r in updates)
                {
                    need.AddItem(r.GetNewObjectId());
                }
                foreach (Ref r_1 in GetRefs())
                {
                    have.AddItem(r_1.GetObjectId());
                    if (r_1.GetPeeledObjectId() != null)
                    {
                        have.AddItem(r_1.GetPeeledObjectId());
                    }
                }
                writer.PreparePack(monitor, need, have);
                // We don't have to continue further if the pack will
                // be an empty pack, as the remote has all objects it
                // needs to complete this change.
                //
                if (writer.GetObjectCount() == 0)
                {
                    return;
                }
                packNames = new LinkedHashMap <string, string>();
                foreach (string n in dest.GetPackNames())
                {
                    packNames.Put(n, n);
                }
                string @base    = "pack-" + writer.ComputeName().Name;
                string packName = @base + ".pack";
                pathPack = "pack/" + packName;
                pathIdx  = "pack/" + @base + ".idx";
                if (Sharpen.Collections.Remove(packNames, packName) != null)
                {
                    // The remote already contains this pack. We should
                    // remove the index before overwriting to prevent bad
                    // offsets from appearing to clients.
                    //
                    dest.WriteInfoPacks(packNames.Keys);
                    dest.DeleteFile(pathIdx);
                }
                // Write the pack file, then the index, as readers look the
                // other direction (index, then pack file).
                //
                string       wt = "Put " + Sharpen.Runtime.Substring(@base, 0, 12);
                OutputStream os = dest.WriteFile(pathPack, monitor, wt + "..pack");
                try
                {
                    os = new SafeBufferedOutputStream(os);
                    writer.WritePack(monitor, monitor, os);
                }
                finally
                {
                    os.Close();
                }
                os = dest.WriteFile(pathIdx, monitor, wt + "..idx");
                try
                {
                    os = new SafeBufferedOutputStream(os);
                    writer.WriteIndex(os);
                }
                finally
                {
                    os.Close();
                }
                // Record the pack at the start of the pack info list. This
                // way clients are likely to consult the newest pack first,
                // and discover the most recent objects there.
                //
                AList <string> infoPacks = new AList <string>();
                infoPacks.AddItem(packName);
                Sharpen.Collections.AddAll(infoPacks, packNames.Keys);
                dest.WriteInfoPacks(infoPacks);
            }
            catch (IOException err)
            {
                SafeDelete(pathIdx);
                SafeDelete(pathPack);
                throw new TransportException(uri, JGitText.Get().cannotStoreObjects, err);
            }
            finally
            {
                writer.Release();
            }
        }
示例#4
0
        /// <exception cref="System.IO.IOException"></exception>
        private PackFile WritePack <_T0, _T1>(ICollection <_T0> want, ICollection <_T1> have
                                              , ICollection <ObjectId> tagTargets, IList <PackIndex> excludeObjects) where _T0 : ObjectId
            where _T1 : ObjectId
        {
            FilePath   tmpPack = null;
            FilePath   tmpIdx  = null;
            PackWriter pw      = new PackWriter(repo);

            try
            {
                // prepare the PackWriter
                pw.SetDeltaBaseAsOffset(true);
                pw.SetReuseDeltaCommits(false);
                if (tagTargets != null)
                {
                    pw.SetTagTargets(tagTargets);
                }
                if (excludeObjects != null)
                {
                    foreach (PackIndex idx in excludeObjects)
                    {
                        pw.ExcludeObjects(idx);
                    }
                }
                pw.PreparePack(pm, want, have);
                if (pw.GetObjectCount() == 0)
                {
                    return(null);
                }
                // create temporary files
                string   id      = pw.ComputeName().GetName();
                FilePath packdir = new FilePath(repo.ObjectsDirectory, "pack");
                tmpPack = FilePath.CreateTempFile("gc_", ".pack_tmp", packdir);
                tmpIdx  = new FilePath(packdir, Sharpen.Runtime.Substring(tmpPack.GetName(), 0, tmpPack
                                                                          .GetName().LastIndexOf('.')) + ".idx_tmp");
                if (!tmpIdx.CreateNewFile())
                {
                    throw new IOException(MessageFormat.Format(JGitText.Get().cannotCreateIndexfile,
                                                               tmpIdx.GetPath()));
                }
                // write the packfile
                FileChannel  channel       = new FileOutputStream(tmpPack).GetChannel();
                OutputStream channelStream = Channels.NewOutputStream(channel);
                try
                {
                    pw.WritePack(pm, pm, channelStream);
                }
                finally
                {
                    channel.Force(true);
                    channelStream.Close();
                    channel.Close();
                }
                // write the packindex
                FileChannel  idxChannel = new FileOutputStream(tmpIdx).GetChannel();
                OutputStream idxStream  = Channels.NewOutputStream(idxChannel);
                try
                {
                    pw.WriteIndex(idxStream);
                }
                finally
                {
                    idxChannel.Force(true);
                    idxStream.Close();
                    idxChannel.Close();
                }
                // rename the temporary files to real files
                FilePath realPack = NameFor(id, ".pack");
                tmpPack.SetReadOnly();
                FilePath realIdx = NameFor(id, ".idx");
                realIdx.SetReadOnly();
                bool delete = true;
                try
                {
                    if (!tmpPack.RenameTo(realPack))
                    {
                        return(null);
                    }
                    delete = false;
                    if (!tmpIdx.RenameTo(realIdx))
                    {
                        FilePath newIdx = new FilePath(realIdx.GetParentFile(), realIdx.GetName() + ".new"
                                                       );
                        if (!tmpIdx.RenameTo(newIdx))
                        {
                            newIdx = tmpIdx;
                        }
                        throw new IOException(MessageFormat.Format(JGitText.Get().panicCantRenameIndexFile
                                                                   , newIdx, realIdx));
                    }
                }
                finally
                {
                    if (delete && tmpPack.Exists())
                    {
                        tmpPack.Delete();
                    }
                    if (delete && tmpIdx.Exists())
                    {
                        tmpIdx.Delete();
                    }
                }
                return(((ObjectDirectory)repo.ObjectDatabase).OpenPack(realPack, realIdx));
            }
            finally
            {
                pw.Release();
                if (tmpPack != null && tmpPack.Exists())
                {
                    tmpPack.Delete();
                }
                if (tmpIdx != null && tmpIdx.Exists())
                {
                    tmpIdx.Delete();
                }
            }
        }
		/// <exception cref="NGit.Errors.TransportException"></exception>
		private void Sendpack(IList<RemoteRefUpdate> updates, ProgressMonitor monitor)
		{
			string pathPack = null;
			string pathIdx = null;
			PackWriter writer = new PackWriter(transport.GetPackConfig(), local.NewObjectReader
				());
			try
			{
				IList<ObjectId> need = new AList<ObjectId>();
				IList<ObjectId> have = new AList<ObjectId>();
				foreach (RemoteRefUpdate r in updates)
				{
					need.AddItem(r.GetNewObjectId());
				}
				foreach (Ref r_1 in GetRefs())
				{
					have.AddItem(r_1.GetObjectId());
					if (r_1.GetPeeledObjectId() != null)
					{
						have.AddItem(r_1.GetPeeledObjectId());
					}
				}
				writer.PreparePack(monitor, need, have);
				// We don't have to continue further if the pack will
				// be an empty pack, as the remote has all objects it
				// needs to complete this change.
				//
				if (writer.GetObjectCount() == 0)
				{
					return;
				}
				packNames = new LinkedHashMap<string, string>();
				foreach (string n in dest.GetPackNames())
				{
					packNames.Put(n, n);
				}
				string @base = "pack-" + writer.ComputeName().Name;
				string packName = @base + ".pack";
				pathPack = "pack/" + packName;
				pathIdx = "pack/" + @base + ".idx";
				if (Sharpen.Collections.Remove(packNames, packName) != null)
				{
					// The remote already contains this pack. We should
					// remove the index before overwriting to prevent bad
					// offsets from appearing to clients.
					//
					dest.WriteInfoPacks(packNames.Keys);
					dest.DeleteFile(pathIdx);
				}
				// Write the pack file, then the index, as readers look the
				// other direction (index, then pack file).
				//
				string wt = "Put " + Sharpen.Runtime.Substring(@base, 0, 12);
				OutputStream os = dest.WriteFile(pathPack, monitor, wt + "..pack");
				try
				{
					os = new BufferedOutputStream(os);
					writer.WritePack(monitor, monitor, os);
				}
				finally
				{
					os.Close();
				}
				os = dest.WriteFile(pathIdx, monitor, wt + "..idx");
				try
				{
					os = new BufferedOutputStream(os);
					writer.WriteIndex(os);
				}
				finally
				{
					os.Close();
				}
				// Record the pack at the start of the pack info list. This
				// way clients are likely to consult the newest pack first,
				// and discover the most recent objects there.
				//
				AList<string> infoPacks = new AList<string>();
				infoPacks.AddItem(packName);
				Sharpen.Collections.AddAll(infoPacks, packNames.Keys);
				dest.WriteInfoPacks(infoPacks);
			}
			catch (IOException err)
			{
				SafeDelete(pathIdx);
				SafeDelete(pathPack);
				throw new TransportException(uri, JGitText.Get().cannotStoreObjects, err);
			}
			finally
			{
				writer.Release();
			}
		}