// parameters:
// nCount 本次希望获取的记录数。如果==-1，表示希望尽可能多地获取
// strStyle 如果不包含 supervisor，则本函数会自动过滤掉日志记录中读者记录的 password 字段
// return:
// -1 error
// 0 file not found
// 1 succeed
// 2 超过范围，本次调用无效
public int GetOperLogs(
string strLibraryCodeList,
string strFileName,
long lIndex,
long lHint,
int nCount,
string strStyle,
string strFilter,
out OperLogInfo[] records,
out string strError)
{
records = null;
strError = "";
List<OperLogInfo> results = new List<OperLogInfo>();
if (StringUtil.IsInList("getfilenames", strStyle) == true)
{
DirectoryInfo di = new DirectoryInfo(this.m_strDirectory);
FileInfo[] fis = di.GetFiles("????????.log");
if (fis.Length == 0)
return 0; // 一个文件也没有
// 日期小者在前
Array.Sort(fis, new FileInfoCompare(true));
int nStart = (int)lIndex;
int nEnd = fis.Length;
if (nCount == -1)
nEnd = fis.Length;
else
nEnd = Math.Min(nStart + nCount, fis.Length);
// 一次不让超过最大数量
if (nEnd - nStart > MAX_FILENAME_COUNT)
nEnd = nStart + MAX_FILENAME_COUNT;
for (int i = nStart; i < nEnd; i++)
{
OperLogInfo info = new OperLogInfo();
info.Index = i;
info.Xml = fis[i].Name;
info.AttachmentLength = fis[i].Length;
results.Add(info);
}
records = new OperLogInfo[results.Count];
results.CopyTo(records);
return fis.Length; // 返回事项总数
}
int nPackageLength = 0;
string strXml = "";
long lAttachmentLength = 0;
long lHintNext = -1;
for (int i = 0; i < nCount || nCount == -1; i++)
{
// return:
// -1 error
// 0 file not found
// 1 succeed
// 2 超过范围
int nRet = GetOperLog(
strLibraryCodeList,
strFileName,
lIndex,
lHint,
strStyle,
strFilter,
out lHintNext,
out strXml,
out lAttachmentLength,
out strError);
if (nRet == -1)
return -1;
if (nRet == 0)
return 0;
if (nRet == 2)
{
if (i == 0)
return 2; // 本次调用无效
break;
}
nPackageLength += strXml.Length + 100; // 边角尺寸
if (nPackageLength > 500 * 1024
&& i > 0)
break;
OperLogInfo info = new OperLogInfo();
info.Index = lIndex;
info.HintNext = lHintNext;
info.Xml = strXml;
info.AttachmentLength = lAttachmentLength;
results.Add(info);
lIndex++;
lHint = lHintNext;
}
records = new OperLogInfo[results.Count];
results.CopyTo(records);
return 1;
}
// parameters:
// nCount 本次希望获取的记录数。如果==-1，表示希望尽可能多地获取
// return:
// -1 error
// 0 file not found
// 1 succeed
// 2 超过范围，本次调用无效
public int GetOperLogs(
string strLibraryCodeList,
string strFileName,
long lIndex,
long lHint,
int nCount,
string strStyle,
string strFilter,
out OperLogInfo[] records,
out string strError)
{
records = null;
strError = "";
List<OperLogInfo> results = new List<OperLogInfo>();
if (StringUtil.IsInList("getfilenames", strStyle) == true)
{
int hit_count = 0;
List<ValueCount> dates = ListDates(0, MAX_FILENAME_COUNT, out hit_count);
int nStart = (int)lIndex;
int nEnd = dates.Count;
if (nCount == -1)
nEnd = dates.Count;
else
nEnd = Math.Min(nStart + nCount, dates.Count);
// 一次不让超过最大数量
if (nEnd - nStart > MAX_FILENAME_COUNT)
nEnd = nStart + MAX_FILENAME_COUNT;
for (int i = nStart; i < nEnd; i++)
{
ValueCount item = dates[i];
OperLogInfo info = new OperLogInfo();
info.Index = i;
info.Xml = item.Value + ".log";
info.AttachmentLength = item.Count;
results.Add(info);
}
#if NO
records = new OperLogInfo[results.Count];
results.CopyTo(records);
#endif
records = results.ToArray();
return (int)lIndex + hit_count;
#if NO
DirectoryInfo di = new DirectoryInfo(this.m_strDirectory);
FileInfo[] fis = di.GetFiles("????????.log");
if (fis.Length == 0)
return 0; // 一个文件也没有
// 日期小者在前
Array.Sort(fis, new FileInfoCompare(true));
int nStart = (int)lIndex;
int nEnd = fis.Length;
if (nCount == -1)
nEnd = fis.Length;
else
nEnd = Math.Min(nStart + nCount, fis.Length);
// 一次不让超过最大数量
if (nEnd - nStart > MAX_FILENAME_COUNT)
nEnd = nStart + MAX_FILENAME_COUNT;
for (int i = nStart; i < nEnd; i++)
{
OperLogInfo info = new OperLogInfo();
info.Index = i;
info.Xml = fis[i].Name;
info.AttachmentLength = fis[i].Length;
results.Add(info);
}
records = new OperLogInfo[results.Count];
results.CopyTo(records);
return 1;
#endif
}
if (string.IsNullOrEmpty(strFileName) == true
|| strFileName.Length < 8)
{
strError = "strFileName 参数值不能为空，或者长度小于 8 字符";
return -1;
}
string date = strFileName.Substring(0, 8);
IEnumerable<AccessLogItem> collection = Find(date, (int)lIndex);
if (collection == null)
return 0;
List<OperLogInfo> infos = new List<OperLogInfo>();
foreach (AccessLogItem item in collection)
{
OperLogInfo info = new OperLogInfo();
info.AttachmentLength = 0;
info.HintNext = 0;
info.Index = lIndex++;
info.Xml = GetXml(item);
infos.Add(info);
}
if (infos.Count == 0)
return 2;
records = infos.ToArray();
return 1;
}