private void listView_records_SelectedIndexChanged(object sender, EventArgs e)
{
if (this.listView_records.SelectedItems.Count == 0)
{
this.textBox_worksheet.Text = "";
this.marcEditor_record.Marc = "";
this.textBox_description.Text = "";
}
else
{
LogItemInfo info = (LogItemInfo)this.listView_records.SelectedItems[0].Tag;
if (info != null)
{
this.textBox_worksheet.Text = info.Encoding.GetString(info.OriginData).Replace(MarcUtil.SUBFLD, '$');
string strMARC = DtlpChannel.GetDt1000LogRecord(info.OriginData, info.Encoding);
this.marcEditor_record.Marc = strMARC;
this.marcEditor_record.DocumentOrgX = 0;
this.marcEditor_record.DocumentOrgY = 0;
string strOperCode = "";
string strOperComment = "";
string strOperPath = "";
string strError = "";
int nRet = DtlpChannel.ParseDt1000LogRecord(strMARC,
out strOperCode,
out strOperComment,
out strOperPath,
out strError);
if (nRet == -1)
{
this.textBox_description.Text = strError;
}
else
{
if (strOperCode == "12")
{
this.textBox_description.Text = "操作: " + strOperComment + "\r\n数据库名: " + strOperPath;
}
else
{
this.textBox_description.Text = "操作: " + strOperComment + "\r\n路径: " + strOperPath;
}
}
}
else
{
this.textBox_worksheet.Text = "(no origin data)";
this.marcEditor_record.Marc = "";
this.textBox_description.Text = "";
}
}
}
// 获得日志记录
// return:
// -1 出错
// 0 日志文件不存在
// 1 日志文件存在
int GetLogRecords(string strServerAddr,
string strLogFileName,
out string strError)
{
strError = "";
int nStartIndex = 0;
stop.OnStop += new StopEventHandler(this.DoStop);
stop.SetMessage("正在从服务器获得日志记录 ...");
stop.BeginLoop();
this.Update();
this.MainForm.Update();
try
{
string strPath = strServerAddr + "/log/" + strLogFileName + "/" + nStartIndex.ToString();
bool bFirst = true;
string strDate = "";
int nRecID = -1;
string strOffset = "";
int nStyle = 0;
for (int i = nStartIndex; ; i++)
{
Application.DoEvents(); // 出让界面控制权
if (stop != null)
{
if (stop.State != 0)
{
strError = "用户中断";
return(-1);
}
}
byte[] baPackage = null;
if (bFirst == true)
{
}
else
{
strPath = strServerAddr + "/log/" + strDate /*strLogFileName*/ + "/" + nRecID.ToString() + "@" + strOffset;
}
Encoding encoding = this.Channel.GetPathEncoding(strPath);
stop.SetMessage("正在获得日志记录 " + strPath);
int nRet = this.Channel.Search(strPath,
DtlpChannel.RIZHI_STYLE | nStyle,
out baPackage);
if (nRet == -1)
{
int errorcode = this.Channel.GetLastErrno();
if (errorcode == DtlpChannel.GL_NOTEXIST)
{
if (bFirst == true)
{
break;
}
}
// 更换新通道
if (errorcode == DtlpChannel.GL_INTR ||
errorcode == DtlpChannel.GL_SEND ||
errorcode == DtlpChannel.GL_RECV)
{
this.Channel = channelArray.CreateChannel(0);
}
strError = "获取日志记录:\r\n"
+ "路径: " + strPath + "\r\n"
+ "错误码: " + errorcode + "\r\n"
+ "错误信息: " + this.Channel.GetErrorString(errorcode) + "\r\n";
return(-1);
}
// 解析出记录
Package package = new Package();
package.LoadPackage(baPackage,
encoding);
package.Parse(PackageFormat.Binary);
// 获得下一路径
string strNextPath = "";
strNextPath = package.GetFirstPath();
if (String.IsNullOrEmpty(strNextPath) == true)
{
if (this.checkBox_loop.Checked == true)
{
i--;
continue;
}
if (bFirst == true)
{
strError = "文件 " + strLogFileName + "不存在";
return(0);
}
// strError = "检索 '" + strPath + "' 响应包中路径部分不存在 ...";
// return -1;
break;
}
// 获得记录内容
byte[] baContent = null;
nRet = package.GetFirstBin(out baContent);
if (nRet != 1)
{
baContent = null; // 但是为空包
}
// 处理记录
string strMARC = DtlpChannel.GetDt1000LogRecord(baContent, encoding);
string strOperCode = "";
string strOperComment = "";
string strOperPath = "";
nRet = DtlpChannel.ParseDt1000LogRecord(strMARC,
out strOperCode,
out strOperComment,
out strOperPath,
out strError);
if (nRet == -1)
{
strOperComment = strError;
}
LogItemInfo info = new LogItemInfo();
info.Index = i;
info.Offset = GetStartOffs(strOffset);
info.OriginData = baContent;
info.Encoding = encoding;
ListViewItem item = new ListViewItem();
item.Text = i.ToString();
item.SubItems.Add(info.Offset);
item.SubItems.Add(strOperComment);
item.SubItems.Add(strOperPath);
item.Tag = info;
this.listView_records.Items.Add(item);
// 将日志记录路径解析为日期、序号、偏移
// 一个日志记录路径的例子为:
// /ip/log/19991231/0@1234~5678
// parameters:
// strLogPath 待解析的日志记录路径
// strDate 解析出的日期
// nRecID 解析出的记录号
// strOffset 解析出的记录偏移，例如1234~5678
// return:
// -1 出错
// 0 正确
nRet = DtlpChannel.ParseLogPath(strNextPath,
out strDate,
out nRecID,
out strOffset,
out strError);
if (nRet == -1)
{
return(-1);
}
// ModiOffset(ref strOffset);
bFirst = false;
}
return(1); // 日志文件存在，已获得了记录
}
finally
{
stop.EndLoop();
stop.OnStop -= new StopEventHandler(this.DoStop);
stop.Initial("");
}
}