private void WriteBlockEntries(BinaryWriter writer, MemoryStream blockStream, bool flushAllData, byte[] compressorBufferCache)
{
int dataRemainder = 0;
int readPosition = 0;
while (true)
{
dataRemainder = (int)Math.Min(blockStream.Length - readPosition, WriterBlockSizeThreshold);
if (dataRemainder == 0 || (dataRemainder < WriterBlockSizeThreshold && !flushAllData))
{
break;
}
var blockEntry = new BlockEntry()
{
DecompressedOffset = WriterDecompressedBlockOffset,
DecompressedSize = (uint)dataRemainder,
Offset = (ulong)writer.BaseStream.Position,
};
// Compress
long compressedSize = Utility.OodleLZ.Compress(blockStream.GetBuffer().AsSpan().Slice(readPosition, dataRemainder), compressorBufferCache);
if (compressedSize == -1)
{
throw new Exception("Buffer compression failed");
}
blockEntry.Size = (uint)compressedSize;
// Encrypt
if (Header.IsEncrypted)
{
blockEntry.XorDataBuffer(compressorBufferCache);
}
// Write to disk
writer.Write(compressorBufferCache, 0, (int)blockEntry.Size);
WriterDecompressedBlockOffset += blockEntry.DecompressedSize;
readPosition += dataRemainder;
BlockEntries.Add(blockEntry);
}
// Free MemoryStream data that was already written to prevent excessive memory consumption
if (readPosition > 0 && dataRemainder > 0)
{
Buffer.BlockCopy(blockStream.GetBuffer(), readPosition, blockStream.GetBuffer(), 0, dataRemainder);
blockStream.SetLength(blockStream.Length - readPosition);
}
}
private void WriteArchiveHeaders(BinaryWriter writer)
{
FileEntries.Sort((x, y) => x.PathHash.CompareTo(y.PathHash));
Header.FileEntryCount = (uint)FileEntries.Count;
BlockEntries.Sort((x, y) => x.DecompressedOffset.CompareTo(y.DecompressedOffset));
Header.BlockEntryCount = (uint)BlockEntries.Count;
Header.ToData(writer);
foreach (var entry in FileEntries)
{
entry.ToData(writer, Header);
}
foreach (var entry in BlockEntries)
{
entry.ToData(writer, Header);
}
}
private void WriteBlockEntries(BinaryWriter writer, ConcurrentBag <CompressBlock> blocks)
{
foreach (var block in blocks.OrderBy(x => x.DecompressedOffset))
{
var blockEntry = new BlockEntry()
{
DecompressedOffset = block.DecompressedOffset,
DecompressedSize = block.DecompressedSize,
Offset = (ulong)writer.BaseStream.Position,
Size = block.Size
};
// Encrypt
if (Header.IsEncrypted)
{
blockEntry.XorDataBuffer(block.CompressBuffer);
}
// Write to disk
writer.Write(block.CompressBuffer, 0, (int)blockEntry.Size);
BlockEntries.Add(blockEntry);
}
}
protected override void ShowPage()
{
if (usergroupinfo.Radminid == 0)
{
AddErrLine("您没有推荐主题的权限！");
return;
}
if (tid == -1)
{
return;
}
DataTable postInfo = BlockEntries.GetPostInfoByTid(tid);
title = postInfo.Rows[0]["title"].ToString();
summary = Utils.RemoveHtml(Utils.ClearUBB(postInfo.Rows[0]["message"].ToString().Trim()));
poster = postInfo.Rows[0]["poster"].ToString();
postdatetime = postInfo.Rows[0]["postdatetime"].ToString().Trim();
//如果是提交...
if (ispost)
{
blockid = DNTRequest.GetFormInt("blockid", -1);
blockName = DNTRequest.GetFormString("blockname");
title = DNTRequest.GetFormString("topicTitle");
summary = DNTRequest.GetFormString("summary");
NormalValidate(blockName, blockid, title, summary);
BlockEntryInfo blockEntries = new BlockEntryInfo();
blockEntries.title = title;
blockEntries.blockid = blockid;
blockEntries.image = DNTRequest.GetFormString("selectImage");
blockEntries.summary = summary;
blockEntries.author = DNTRequest.GetFormString("poster");
blockEntries.postdatetime = TypeConverter.StrToDateTime(DNTRequest.GetFormString("postdatetime"));
blockEntries.link = "showtopic.aspx?tid=" + tid;
blockEntries.foretag = "";
blockEntries.reartag = "";
blockEntries.color = "";
blockEntries.html = "";
blockEntries.pushedbyuid = userid;
blockEntries.pubshedbyusername = username;
blockEntries.pusheddatetime = DateTime.Now;
blockEntries.displayorder = 1;
BlockEntries.AddBlockEntry(blockEntries);
AddMsgLine("推荐成功");
SetUrl(Urls.ShowDebateAspxRewrite(topicid));
#region 验证提交信息
if (IsErr())
{
return;
}
//// 如果用户上传了附件,则检测用户是否有上传附件的权限
//if (ForumUtils.IsPostFile())
//{
// if (Utils.StrIsNullOrEmpty(Attachments.GetAttachmentTypeArray(attachmentTypeSelect)))
// AddErrLine("系统不允许上传附件");
// if (!UserAuthority.PostAttachAuthority(forum, usergroupinfo, userid, ref msg))
// AddErrLine(msg);
//}
////发悬赏校验
//int topicprice = 0;
//bool isbonus = type == "bonus";
//ValidateBonus(ref topicprice, ref isbonus);
////发特殊主题校验
//ValidatePollAndDebate();
//if (IsErr())
// return;
#endregion
if (IsErr())
{
return;
}
if (IsErr())
{
return;
}
//如果已登录就不需要再登录
if (needlogin && userid > 0)
{
needlogin = false;
}
}
else //非提交操作
{
AddLinkCss(BaseConfigs.GetForumPath + "templates/" + templatepath + "/editor.css", "css");
}
}