// 重新用不同详细级别获取事项内容
// parameters:
// item 要被重新获取内容的对象
// nLevel 内容详细级别。0/1/2。0 为最详细级
public OperLogItem LoadOperLogItem(OperLogItem item, int nLevel)
{
OperLogItemLoader loader = new OperLogItemLoader();
loader.Stop = this.Stop;
loader.Channel = this.Channel;
loader.estimate = null;//
loader.FileName = item.Date + ".log";
loader.Level = nLevel;
loader.lServerFileSize = -1;
loader.Range = item.Index.ToString() + "-" + item.Index.ToString();
loader.AutoCache = this.AutoCache;
loader.lProgressValue = 0;
loader.lSize = 0;
loader.Filter = this.Filter;
loader.LogType = this.LogType;
#if NO
loader.Prompt -= new MessagePromptEventHandler(loader_Prompt);
loader.Prompt += new MessagePromptEventHandler(loader_Prompt);
#endif
foreach (OperLogItem new_item in loader)
{
return(new_item);
}
return(null);
}
// 重新用不同详细级别获取事项内容
// parameters:
// item 要被重新获取内容的对象
// nLevel 内容详细级别。0/1/2。0 为最详细级
public OperLogItem LoadOperLogItem(OperLogItem item, int nLevel)
{
OperLogItemLoader loader = new OperLogItemLoader();
loader.Stop = this.Stop;
loader.Channel = this.Channel;
loader.estimate = null;//
loader.FileName = item.Date + ".log";
loader.Level = nLevel;
loader.lServerFileSize = -1;
loader.Range = item.Index.ToString() + "-" + item.Index.ToString();
loader.AutoCache = this.AutoCache;
loader.lProgressValue = 0;
loader.lSize = 0;
loader.Filter = this.Filter;
loader.LogType = this.LogType;
#if NO
loader.Prompt -= new MessagePromptEventHandler(loader_Prompt);
loader.Prompt += new MessagePromptEventHandler(loader_Prompt);
#endif
foreach (OperLogItem new_item in loader)
{
return new_item;
}
return null;
}
public IEnumerator GetEnumerator()
{
string strError = "";
int nRet = 0;
long lRet = 0;
if ((this.LogType & dp2Circulation.LogType.AccessLog) != 0 &&
(this.LogType & dp2Circulation.LogType.OperLog) != 0)
{
throw new ArgumentException("OperLogItemLoader 的 LogType 只能使用一种类型");
}
if (this.Stop != null && this.estimate != null)
{
this.Stop.SetMessage("正在装入日志文件 " + this.FileName + " 中的记录。"
+ "剩余时间 " + ProgressEstimate.Format(estimate.Estimate(lProgressValue)) + " 已经过时间 " + ProgressEstimate.Format(estimate.delta_passed));
}
string strXml = "";
long lAttachmentTotalLength = 0;
byte[] attachment_data = null;
long lFileSize = 0;
if (lServerFileSize == -1)
{
long _lServerFileSize = 0;
string strStyle = "level-" + Level.ToString();
if ((this.LogType & dp2Circulation.LogType.AccessLog) != 0)
{
strStyle += ",accessLog";
}
// 获得服务器端日志文件尺寸
lRet = this.Channel.GetOperLog(
this.Stop,
this.FileName,
-1, // lIndex,
-1, // lHint,
strStyle,
"", // strFilter
out strXml,
out _lServerFileSize,
0, // lAttachmentFragmentStart,
0, // nAttachmentFramengLength,
out attachment_data,
out lAttachmentTotalLength,
out strError);
// 2015/11/25
if (lRet == -1)
{
throw new Exception(strError);
}
this.lServerFileSize = _lServerFileSize;
if (lRet == 0)
{
yield break;
}
// 2015/11/25
if (_lServerFileSize == -1)
{
yield break; // 此类型的日志尚未启用
}
}
Stream stream = null;
bool bCacheFileExist = false;
bool bRemoveCacheFile = false; // 是否要自动删除未全部完成的本地缓存文件
bool bAutoCache = this.AutoCache;
if (bAutoCache == true)
{
string strFileName = this.FileName;
if ((this.LogType & dp2Circulation.LogType.AccessLog) != 0)
{
strFileName = this.FileName + ".a";
}
nRet = PrepareCacheFile(
this.CacheDir,
strFileName, // this.FileName,
lServerFileSize,
out bCacheFileExist,
out stream,
out strError);
if (nRet == -1)
{
throw new Exception(strError);
}
if (bCacheFileExist == false && stream != null)
{
bRemoveCacheFile = true;
}
}
try
{
if (bCacheFileExist == true)
{
lFileSize = stream.Length;
}
else
{
lFileSize = lServerFileSize;
}
// stop.SetProgressRange(0, lTotalSize);
if (String.IsNullOrEmpty(Range) == true)
{
Range = "0-" + (long.MaxValue - 1).ToString(); // "0-9999999999";
}
RangeList rl = new RangeList(Range);
for (int i = 0; i < rl.Count; i++)
{
RangeItem ri = (RangeItem)rl[i];
// 让 100- 这样的 range 可以使用
if (ri.lLength == -1)
{
ri.lLength = long.MaxValue - ri.lStart;
}
OperLogInfo[] records = null;
long lStartRecords = 0;
long lHint = -1;
long lHintNext = -1;
for (long lIndex = ri.lStart; lIndex < ri.lStart + ri.lLength; lIndex++)
{
Application.DoEvents();
if (this.Stop != null && this.Stop.State != 0)
{
strError = "用户中断";
throw new Exception(strError);
// yield break; ?
}
if (lIndex == ri.lStart)
{
lHint = -1;
}
else
{
lHint = lHintNext;
}
if (bCacheFileExist == true)
{
if (lHint == -1)
{
// return:
// -1 error
// 0 成功
// 1 到达文件末尾或者超出
nRet = LocationRecord(stream,
lIndex,
out strError);
if (nRet == -1)
{
throw new Exception(strError);
}
}
else
{
// 根据暗示找到
if (lHint == stream.Length)
{
break;
}
if (lHint > stream.Length)
{
strError = "lHint参数值不正确";
throw new Exception(strError);
}
if (stream.Position != lHint)
{
stream.Seek(lHint, SeekOrigin.Begin);
}
}
nRet = ReadCachedEnventLog(
stream,
out strXml,
out lAttachmentTotalLength,
out strError);
if (nRet == -1)
{
throw new Exception(strError);
}
lHintNext = stream.Position;
}
else
{
if (records == null || lIndex /*- ri.lStart*/ >= lStartRecords + records.Length)
{
int nCount = -1;
if (ri.lLength >= Int32.MaxValue)
{
nCount = -1; // 500; // -1;
}
else
{
nCount = (int)ri.lLength; // Math.Min(500, (int)ri.lLength);
}
string strStyle = "level-" + Level.ToString();
if ((this.LogType & dp2Circulation.LogType.AccessLog) != 0)
{
strStyle += ",accessLog";
}
REDO:
// 获得日志
// return:
// -1 error
// 0 file not found
// 1 succeed
// 2 超过范围，本次调用无效
lRet = this.Channel.GetOperLogs(
this.Stop,
this.FileName,
lIndex,
lHint,
nCount,
strStyle,
this.Filter, // strFilter
out records,
out strError);
if (lRet == -1)
{
#if NO
DialogResult result = MessageBox.Show(owner,
"获取日志信息 (" + this.FileName + " " + lIndex.ToString() + ") 的操作发生错误： " + strError + "\r\n\r\n是否重试操作?\r\n\r\n(是: 重试; 否: 跳过本次操作，继续后面的操作; 放弃: 停止全部操作)",
"OperLogItemLoader",
MessageBoxButtons.YesNoCancel,
MessageBoxIcon.Question,
MessageBoxDefaultButton.Button1);
if (result == DialogResult.Yes)
{
goto REDO;
}
if (result == DialogResult.Cancel)
{
throw new Exception(strError);
}
else
{
// TODO: 是否要在listview中装入一条表示出错的行?
lHintNext = -1;
continue;
}
#endif
if (this.Prompt != null)
{
MessagePromptEventArgs e = new MessagePromptEventArgs();
e.MessageText = "获取 " + this._logType.ToString() + " 日志信息 (" + this.FileName + " " + lIndex.ToString() + ") 的操作发生错误： " + strError;
e.Actions = "yes,no,cancel";
this.Prompt(this, e);
if (e.ResultAction == "cancel")
{
throw new Exception(strError);
}
else if (e.ResultAction == "yes")
{
if (this.Stop != null)
{
this.Stop.Continue();
}
goto REDO;
}
else
{
lHintNext = -1;
continue;
}
}
else
{
throw new Exception(strError);
}
}
if (lRet == 0)
{
yield break;
}
if (lRet == 2)
{
break;
}
// records数组表示的起点位置
lStartRecords = lIndex /* - ri.lStart*/;
}
OperLogInfo info = records[lIndex - lStartRecords];
strXml = info.Xml;
lHintNext = info.HintNext;
lAttachmentTotalLength = info.AttachmentLength;
// 写入本地缓存的日志文件
if (stream != null)
{
try
{
WriteCachedEnventLog(
stream,
strXml,
lAttachmentTotalLength);
}
catch (Exception ex)
{
strError = "写入本地缓存文件的时候出错: " + ex.Message;
throw new Exception(strError);
}
}
}
#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
if (lHintNext >= 0)
{
// 校正
if (lProgressValue + lHintNext > lSize)
{
lSize = lProgressValue + lHintNext;
if (this.Stop != null && this.estimate != null)
{
this.Stop.SetProgressRange(0, lSize);
estimate.SetRange(0, lSize);
}
}
this.Stop.SetProgressValue(lProgressValue + lHintNext);
}
if (lIndex % 100 == 0)
{
if (this.Stop != null && this.estimate != null)
{
estimate.Text = "剩余时间 " + ProgressEstimate.Format(estimate.Estimate(lProgressValue + lHintNext)) + " 已经过时间 " + ProgressEstimate.Format(estimate.delta_passed);
this.Stop.SetMessage("正在装入日志文件 " + this.FileName + " 中的记录 " + lIndex.ToString() + " 。"
+ estimate.Text);
}
}
{
OperLogItem item = new OperLogItem();
item.Xml = strXml;
item.Index = lIndex;
item.Date = this.FileName.Substring(0, 8);
yield return(item);
}
}
}
// 创建本地缓存的日志文件的metadata文件
if (bCacheFileExist == false && stream != null)
{
string strFileName = this.FileName;
if ((this.LogType & dp2Circulation.LogType.AccessLog) != 0)
{
strFileName = this.FileName + ".a";
}
nRet = CreateCacheMetadataFile(
this.CacheDir,
strFileName, // this.FileName,
lServerFileSize,
out strError);
if (nRet == -1)
{
throw new Exception(strError);
}
}
bRemoveCacheFile = false; // 不删除
}
finally
{
if (stream != null)
{
stream.Close();
}
if (bRemoveCacheFile == true)
{
string strFileName = this.FileName;
if ((this.LogType & dp2Circulation.LogType.AccessLog) != 0)
{
strFileName = this.FileName + ".a";
}
string strError1 = "";
nRet = DeleteCacheFile(
this.CacheDir,
strFileName, // this.FileName,
out strError1);
if (nRet == -1)
{
// MessageBox.Show(owner, strError1);
if (this.Prompt != null)
{
MessagePromptEventArgs e = new MessagePromptEventArgs();
e.MessageText = strError1;
e.Actions = "ok";
this.Prompt(this, e);
}
}
}
}
lProgressValue += lFileSize;
}
public IEnumerator GetEnumerator()
{
string strError = "";
int nRet = 0;
long lRet = 0;
this.Stop.SetMessage("正在装入日志文件 " + this.FileName + " 中的记录。"
+ "剩余时间 " + ProgressEstimate.Format(estimate.Estimate(lProgressValue)) + " 已经过时间 " + ProgressEstimate.Format(estimate.delta_passed));
string strXml = "";
long lAttachmentTotalLength = 0;
byte[] attachment_data = null;
long lFileSize = 0;
if (lServerFileSize == -1)
{
long _lServerFileSize = 0;
// 获得服务器端日志文件尺寸
lRet = this.Channel.GetOperLog(
this.Stop,
this.FileName,
-1, // lIndex,
-1, // lHint,
"level-" + nLevel.ToString(),
"", // strFilter
out strXml,
out _lServerFileSize,
0, // lAttachmentFragmentStart,
0, // nAttachmentFramengLength,
out attachment_data,
out lAttachmentTotalLength,
out strError);
this.lServerFileSize = _lServerFileSize;
if (lRet == 0)
yield break;
}
Stream stream = null;
bool bCacheFileExist = false;
bool bRemoveCacheFile = false; // 是否要自动删除未全部完成的本地缓存文件
bool bAutoCache = this.AutoCache;
if (bAutoCache == true)
{
nRet = PrepareCacheFile(
this.CacheDir,
this.FileName,
lServerFileSize,
out bCacheFileExist,
out stream,
out strError);
if (nRet == -1)
throw new Exception(strError);
if (bCacheFileExist == false && stream != null)
bRemoveCacheFile = true;
}
try
{
if (bCacheFileExist == true)
lFileSize = stream.Length;
else
lFileSize = lServerFileSize;
// stop.SetProgressRange(0, lTotalSize);
if (String.IsNullOrEmpty(Range) == true)
Range = "0-" + (long.MaxValue - 1).ToString(); // "0-9999999999";
RangeList rl = new RangeList(Range);
for (int i = 0; i < rl.Count; i++)
{
RangeItem ri = (RangeItem)rl[i];
// 让 100- 这样的 range 可以使用
if (ri.lLength == -1)
ri.lLength = long.MaxValue - ri.lStart;
OperLogInfo[] records = null;
long lStartRecords = 0;
long lHint = -1;
long lHintNext = -1;
for (long lIndex = ri.lStart; lIndex < ri.lStart + ri.lLength; lIndex++)
{
Application.DoEvents();
if (this.Stop != null && this.Stop.State != 0)
{
strError = "用户中断";
throw new Exception(strError);
// yield break; ?
}
if (lIndex == ri.lStart)
lHint = -1;
else
lHint = lHintNext;
if (bCacheFileExist == true)
{
if (lHint == -1)
{
// return:
// -1 error
// 0 成功
// 1 到达文件末尾或者超出
nRet = LocationRecord(stream,
lIndex,
out strError);
if (nRet == -1)
throw new Exception(strError);
}
else
{
// 根据暗示找到
if (lHint == stream.Length)
break;
if (lHint > stream.Length)
{
strError = "lHint参数值不正确";
throw new Exception(strError);
}
if (stream.Position != lHint)
stream.Seek(lHint, SeekOrigin.Begin);
}
nRet = ReadCachedEnventLog(
stream,
out strXml,
out lAttachmentTotalLength,
out strError);
if (nRet == -1)
throw new Exception(strError);
lHintNext = stream.Position;
}
else
{
if (records == null || lIndex /*- ri.lStart*/ >= lStartRecords + records.Length)
{
int nCount = -1;
if (ri.lLength >= Int32.MaxValue)
nCount = -1; // 500; // -1;
else
nCount = (int)ri.lLength; // Math.Min(500, (int)ri.lLength);
REDO:
// 获得日志
// return:
// -1 error
// 0 file not found
// 1 succeed
// 2 超过范围，本次调用无效
lRet = this.Channel.GetOperLogs(
this.Stop,
this.FileName,
lIndex,
lHint,
nCount,
"level-" + nLevel.ToString(),
this.Filter, // strFilter
out records,
out strError);
if (lRet == -1)
{
#if NO
DialogResult result = MessageBox.Show(owner,
"获取日志信息 ("+this.FileName + " " +lIndex.ToString() + ") 的操作发生错误： " + strError + "\r\n\r\n是否重试操作?\r\n\r\n(是: 重试; 否: 跳过本次操作，继续后面的操作; 放弃: 停止全部操作)",
"OperLogItemLoader",
MessageBoxButtons.YesNoCancel,
MessageBoxIcon.Question,
MessageBoxDefaultButton.Button1);
if (result == DialogResult.Yes)
goto REDO;
if (result == DialogResult.Cancel)
throw new Exception(strError);
else
{
// TODO: 是否要在listview中装入一条表示出错的行?
lHintNext = -1;
continue;
}
#endif
if (this.Prompt != null)
{
MessagePromptEventArgs e = new MessagePromptEventArgs();
e.MessageText = "获取日志信息 ("+this.FileName + " " +lIndex.ToString() + ") 的操作发生错误： " + strError;
e.Actions = "yes,no,cancel";
this.Prompt(this, e);
if (e.ResultAction == "cancel")
throw new Exception(strError);
else if (e.ResultAction == "yes")
{
if (this.Stop != null)
this.Stop.Continue();
goto REDO;
}
else
{
lHintNext = -1;
continue;
}
}
else
throw new Exception(strError);
}
if (lRet == 0)
yield break;
if (lRet == 2)
break;
// records数组表示的起点位置
lStartRecords = lIndex /* - ri.lStart*/;
}
OperLogInfo info = records[lIndex - lStartRecords];
strXml = info.Xml;
lHintNext = info.HintNext;
lAttachmentTotalLength = info.AttachmentLength;
// 写入本地缓存的日志文件
if (stream != null)
{
try
{
WriteCachedEnventLog(
stream,
strXml,
lAttachmentTotalLength);
}
catch (Exception ex)
{
strError = "写入本地缓存文件的时候出错: " + ex.Message;
throw new Exception(strError);
}
}
}
#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
if (lHintNext >= 0)
{
// 校正
if (lProgressValue + lHintNext > lSize)
{
lSize = lProgressValue + lHintNext;
this.Stop.SetProgressRange(0, lSize);
estimate.SetRange(0, lSize);
}
this.Stop.SetProgressValue(lProgressValue + lHintNext);
}
if (lIndex % 100 == 0)
{
estimate.Text = "剩余时间 " + ProgressEstimate.Format(estimate.Estimate(lProgressValue + lHintNext)) + " 已经过时间 " + ProgressEstimate.Format(estimate.delta_passed);
this.Stop.SetMessage("正在装入日志文件 " + this.FileName + " 中的记录 " + lIndex.ToString() + " 。"
+ estimate.Text);
}
{
OperLogItem item = new OperLogItem();
item.Xml = strXml;
item.Index = lIndex;
item.Date = this.FileName.Substring(0, 8);
yield return item;
}
}
}
// 创建本地缓存的日志文件的metadata文件
if (bCacheFileExist == false && stream != null)
{
nRet = CreateCacheMetadataFile(
this.CacheDir,
this.FileName,
lServerFileSize,
out strError);
if (nRet == -1)
throw new Exception(strError);
}
bRemoveCacheFile = false; // 不删除
}
finally
{
if (stream != null)
stream.Close();
if (bRemoveCacheFile == true)
{
string strError1 = "";
nRet = DeleteCacheFile(
this.CacheDir,
this.FileName,
out strError1);
if (nRet == -1)
{
// MessageBox.Show(owner, strError1);
if (this.Prompt != null)
{
MessagePromptEventArgs e = new MessagePromptEventArgs();
e.MessageText = strError1;
e.Actions = "ok";
this.Prompt(this, e);
}
}
}
}
lProgressValue += lFileSize;
}
