/// <summary>
///
/// </summary>
public void Save(System.IO.Stream stream)
{
stream.Write(BitConverter.GetBytes((int)mHead.AllocSize));
mHead.WriteToStream(stream, 0, mHead.AllocSize);
stream.Write(BitConverter.GetBytes(mAvaiableDataLen));
mData.WriteToStream(stream, 0, mAvaiableDataLen);
}
/// <summary>
/// 执行存储到磁盘
/// </summary>
public void SaveToFile(MarshalMemoryBlock mProcessMemory, long dataOffset, DateTime time)
{
/*
* 1. 检查变量ID是否变动，如果变动则重新记录变量的ID列表
* 2. 拷贝数据块
* 3. 更新数据块指针
*/
//LoggerService.Service.Info("SeriseFileItem" + Id, "*********开始执行存储**********");
try
{
Stopwatch sw = new Stopwatch();
sw.Start();
var totalsize = mProcessMemory.ReadInt(dataOffset);
var count = mProcessMemory.ReadInt(dataOffset + 4);
mTagCount = count;
mCurrentTime = time;
//to do 计算变量信息是否改变
////判断变量的ID列表是否被修改了
//for (int i = 0; i < count; i++)
//{
// var id = mProcessMemory.ReadInt(offset);
// if (!mIdAddrs.ContainsKey(id))
// {
// mNeedUpdateTagHeads = true;
// break;
// }
// offset += 8;
//}
var ltmp = sw.ElapsedMilliseconds;
if (!CheckFile(time))
{
return;
}
var ltmp2 = sw.ElapsedMilliseconds;
long offset = 8 + dataOffset;
long start = count * 8 + offset;//计算出数据起始地址
//LoggerService.Service.Info("SeriseFileItem" + Id, "开始更新指针区域");
var dataAddr = this.mFileWriter.GoToEnd().CurrentPostion;
mBlockPointMemory.CheckAndResize(mTagCount * 8);
mBlockPointMemory.Clear();
//更新BlockPoint
for (int i = 0; i < count; i++)
{
var id = mProcessMemory.ReadInt(offset);
var addr = mProcessMemory.ReadInt(offset + 4) - start + dataAddr;
offset += 8;
if (id > -1)
{
mBlockPointMemory.WriteLong(i * 8, addr);
}
}
//StringBuilder sb = new StringBuilder();
//foreach (var vv in mBlockPointMemory.ToLongList())
//{
// sb.Append(vv + ",");
//}
//计算本次更新对应的指针区域的起始地址
FileStartHour = (time.Hour / FileDuration) * FileDuration;
int bid = ((time.Hour - FileStartHour) * 60 + time.Minute) / BlockDuration;
var pointAddr = mBlockPointOffset + count * 8 * bid;
var ltmp3 = sw.ElapsedMilliseconds;
//lock (mFileLocker)
{
mFileWriter.GoToEnd();
long lpp = mFileWriter.CurrentPostion;
mProcessMemory.WriteToStream(mFileWriter.GetStream(), start, totalsize - start);//直接拷贝数据块
// LoggerService.Service.Info("SeriseFileItem", "数据写入地址:" + lpp + ",更新指针地址：" + pointAddr+" block index:"+bid+" tagcount:"+count+" block point Start Addr:"+ mBlockPointOffset+" point values:"+sb.ToString());
//this.mFileWriter.Append(mProcessMemory.Buffers, (int)start, (int)(totalsize - start));
mFileWriter.Write(mBlockPointMemory.Buffers, pointAddr, 0, (int)mBlockPointMemory.AllocSize);
Flush();
}
sw.Stop();
LoggerService.Service.Info("SeriseFileItem" + Id, "写入数据 " + mCurrentFileName + " 数据大小：" + ((totalsize - start) + mBlockPointMemory.AllocSize) / 1024.0 / 1024 + " m" + "其他脚本耗时:" + ltmp + "," + (ltmp2 - ltmp) + "," + (ltmp3 - ltmp2) + "存储耗时:" + (sw.ElapsedMilliseconds - ltmp3));
}
catch (System.IO.IOException ex)
{
LoggerService.Service.Erro("SeriseEnginer" + Id, ex.Message);
}
//LoggerService.Service.Info("SeriseEnginer" + Id, ">>>>>>>>>完成执行存储>>>>>>>>>");
}