// 装入一个日志文件中的若干记录
// return:
// -1 error
// 0 file not found
// 1 found
int LoadSomeRecords(string strLogFileName,
string strRange,
ref long lProgressValue,
ref long lSize,
out string strError)
{
strError = "";
stop.SetMessage("正在装入日志文件 " + strLogFileName + " 中的记录。"
+ "剩余时间 " + ProgressEstimate.Format(this.estimate.Estimate(lProgressValue)) + " 已经过时间 " + ProgressEstimate.Format(this.estimate.delta_passed));
string strXml = "";
long lAttachmentTotalLength = 0;
byte[] attachment_data = null;
long lFileSize = 0;
// 获得日志文件尺寸
long lRet = Channel.GetOperLog(
stop,
strLogFileName,
-1, // lIndex,
-1, // lHint,
out strXml,
out lFileSize,
0, // lAttachmentFragmentStart,
0, // nAttachmentFramengLength,
out attachment_data,
out lAttachmentTotalLength,
out strError);
// 2010/12/13
if (lRet == 0)
return 0;
// stop.SetProgressRange(0, lTotalSize);
if (String.IsNullOrEmpty(strRange) == true)
strRange = "0-9999999999";
RangeList rl = new RangeList(strRange);
#if DELAY_UPDATE
this.listView_records.BeginUpdate();
#endif
try
{
for (int i = 0; i < rl.Count; i++)
{
RangeItem ri = (RangeItem)rl[i];
long lHint = -1;
long lHintNext = -1;
for (long lIndex = ri.lStart; lIndex < ri.lStart + ri.lLength; lIndex++)
{
Application.DoEvents();
if (stop != null)
{
if (stop.State != 0)
{
strError = "用户中断1";
goto ERROR1;
}
}
lHint = lHintNext;
// 获得日志
// result.Value
// -1 error
// 0 file not found
// 1 succeed
// 2 超过范围
lRet = Channel.GetOperLog(
stop,
strLogFileName,
lIndex,
lHint,
out strXml,
out lHintNext,
0, // lAttachmentFragmentStart,
0, // nAttachmentFramengLength,
out attachment_data,
out lAttachmentTotalLength,
out strError);
if (lRet == -1)
goto ERROR1;
if (lRet == 0)
return 0;
if (lRet == 2)
break;
#if NO
// 2011/12/30
// 日志记录可能动态地增加了，超过了原先为ProgressBar设置的范围
if (lFizeTotalSize < (int)lHintNext)
{
lFizeTotalSize = lHintNext;
stop.SetProgressRange(0, lFizeTotalSize);
}
#endif
// 校正
if (lProgressValue + lHintNext > lSize)
{
lSize = lProgressValue + lHintNext;
stop.SetProgressRange(0, lSize);
this.estimate.SetRange(0, lSize);
}
stop.SetProgressValue(lProgressValue + lHintNext);
if (lIndex % 100 == 0)
{
stop.SetMessage("正在装入日志文件 " + strLogFileName + " 中的记录 "+lIndex.ToString()+" 。"
+ "剩余时间 " + ProgressEstimate.Format(this.estimate.Estimate(lProgressValue + lHintNext)) + " 已经过时间 " + ProgressEstimate.Format(this.estimate.delta_passed));
}
if (string.IsNullOrEmpty(strXml) == false)
{
OperLogItemInfo info = new OperLogItemInfo();
if (this.StoreInTempFile == true)
{
// 创建临时文件
string strTempFileName = Path.GetTempFileName();
Stream stream = File.Create(strTempFileName);
// 写入xml内容
byte[] buffer = Encoding.UTF8.GetBytes(strXml);
stream.Write(buffer, 0, buffer.Length);
stream.Close();
m_tempFileNames.Add(strTempFileName);
info.IndexOfTempFilename = m_tempFileNames.Count - 1;
}
else
{
info.Hint = lHint;
}
ListViewItem item = new ListViewItem(strLogFileName, 0);
item.SubItems.Add(lIndex.ToString()); // 序号从0开始计数
this.listView_records.Items.Add(item);
item.Tag = info;
int nRet = FillListViewItem(item,
strXml,
lAttachmentTotalLength,
out strError);
if (nRet == -1)
goto ERROR1;
}
}
}
lProgressValue += lFileSize;
}
finally
{
#if DELAY_UPDATE
this.listView_records.EndUpdate();
#endif
}
return 1;
ERROR1:
return -1;
}
int DoRecord(string strLogFileName,
string strXml,
bool bInCacheFile,
long lHint,
long lIndex,
long lAttachmentTotalLength,
object param,
out string strError)
{
strError = "";
if (string.IsNullOrEmpty(strXml) == true)
return 0;
OperLogItemInfo info = new OperLogItemInfo();
if (this.StoreInTempFile == true)
{
// 创建临时文件
string strTempFileName = Path.GetTempFileName();
using (Stream stream = File.Create(strTempFileName))
{
// 写入xml内容
byte[] buffer = Encoding.UTF8.GetBytes(strXml);
stream.Write(buffer, 0, buffer.Length);
}
m_tempFileNames.Add(strTempFileName);
info.IndexOfTempFilename = m_tempFileNames.Count - 1;
}
else
{
info.Hint = lHint;
info.InCacheFile = bInCacheFile;
}
ListViewItem item = new ListViewItem(strLogFileName, 0);
ListViewUtil.ChangeItemText(item, COLUMN_INDEX, lIndex.ToString());
// item.SubItems.Add(lIndex.ToString()); // 序号从0开始计数
this.listView_records.Items.Add(item);
item.Tag = info;
int nRet = FillListViewItem(item,
strXml,
lAttachmentTotalLength,
out strError);
if (nRet == -1)
return -1;
if ((lIndex % 100) == 0)
this.listView_records.ForceUpdate();
return 0;
}
