// 按照命令启动一个批处理任务(不是自动启动)
public int StartBatchTask(string strName,
BatchTaskInfo param,
out BatchTaskInfo info,
out string strError)
{
strError = "";
info = null;
// 2007/12/18
if (this.HangupReason == HangupReason.LogRecover)
{
strError = "当前系统正处在LogRecover挂起状态，无法启动新的批处理任务";
return(-1);
}
BatchTask task = this.BatchTasks.GetBatchTask(strName);
// 创建新的任务
if (task == null)
{
/*
* if (strName == "预约到书管理")
* task = new ArriveMonitor(this, strName);
* else if (strName == "日志恢复")
* task = new OperLogRecover(this, strName);
* else if (strName == "跟踪DTLP数据库")
* task = new TraceDTLP(this, strName);
* else if (strName == "正元一卡通读者信息同步")
* task = new ZhengyuanReplication(this, strName);
* else if (strName == "迪科远望一卡通读者信息同步")
* task = new DkywReplication(this, strName);
* else if (strName == "超期通知")
* task = new ReadersMonitor(this, strName);
* else if (strName == "消息监控")
* task = new MessageMonitor(this, strName);
* else
* {
* strError = "系统不能识别任务名 '" + strName + "'";
* return -1;
* }
* */
strError = "系统不能识别任务名 '" + strName + "'";
return(-1);
try
{
this.BatchTasks.Add(task);
}
catch (Exception ex)
{
strError = ExceptionUtil.GetAutoText(ex);
return(-1);
}
}
else
{
bool bOldStoppedValue = task.Stopped;
// 激活 2007/10/10
task.eventActive.Set();
task.ManualStart = true; // 表示为命令启动
if (bOldStoppedValue == false)
{
strError = "任务 " + task.Name + " 已经在运行中，不能重复启动。本次操作激活了这个任务。";
return(-1);
}
}
// 执行日志恢复任务前，需要先中断正在执行的其他任何任务
// TODO: 日志恢复 任务结束后，原先中断的那些任务并不会自动去启动。需要系统管理员手动重新启动一次Application
if (strName == "日志恢复")
{
StopAllBatchTasks();
}
task.ManualStart = true; // 表示为命令启动
task.StartInfo = param.StartInfo;
task.ClearProgressFile(); // 清除进度文件内容
task.StartWorkerThread();
// 激活 2007/10/10
task.eventActive.Set();
info = task.GetCurrentInfo(param.ResultOffset,
param.MaxResultBytes);
return(0);
}
protected void Page_Load(object sender, EventArgs e)
{
// Debug.WriteLine("Page_Load()");
if (WebUtil.PrepareEnvironment(this,
ref app,
ref sessioninfo) == false)
return;
string strError = "";
// 是否登录?
if (sessioninfo.UserID == "")
{
if (this.Page.Request["forcelogin"] == "on")
{
sessioninfo.LoginCallStack.Push(Request.RawUrl);
Response.Redirect("login.aspx", true);
return;
}
if (this.Page.Request["forcelogin"] == "userid")
{
sessioninfo.LoginCallStack.Push(Request.RawUrl);
Response.Redirect("login.aspx?loginstyle=librarian", true);
return;
}
sessioninfo.LoginCallStack.Push(Request.RawUrl);
Response.Redirect("login.aspx", true);
return;
}
LoginState loginstate = GlobalUtil.GetLoginState(this.Page);
if (loginstate != LoginState.Librarian)
{
strError = "只有工作人员身份才能使用本模块";
goto ERROR1;
}
string strAction = this.Request["action"];
string strName = this.Request["name"];
if (string.IsNullOrEmpty(strName) == true)
strName = "CacheBuilder";
this.Label_taskName.Text = strName;
ResultInfo result_info = new ResultInfo();
if (strAction == "getinfo")
{
string strResultOffset = this.Request["result_offset"];
string strMaxResultBytes = this.Request["max_result_bytes"];
if (string.IsNullOrEmpty(strResultOffset) == true)
{
result_info.ErrorString = "未指定 result_offset 参数";
goto END1;
}
long lResultOffset = 0;
Int64.TryParse(strResultOffset, out lResultOffset);
int nMaxResultBytes = 4096;
Int32.TryParse(strMaxResultBytes, out nMaxResultBytes);
BatchTaskInfo param = new BatchTaskInfo();
BatchTaskInfo info = null;
param.ResultOffset = lResultOffset;
param.MaxResultBytes = nMaxResultBytes;
Debug.WriteLine("GetBatchTaskInfo()");
int nRet = app.GetBatchTaskInfo(strName,
param,
out info,
out strError);
if (nRet == -1)
{
result_info.ErrorString = strError;
goto END1;
}
result_info.Name = info.Name;
result_info.MaxResultBytes = info.MaxResultBytes;
result_info.ResultText = GetResultText(info.ResultText);
result_info.ProgressText = info.ProgressText;
result_info.ResultOffset = info.ResultOffset;
result_info.ResultTotalLength = info.ResultTotalLength;
result_info.ResultVersion = info.ResultVersion;
END1:
DataContractJsonSerializer ser = new DataContractJsonSerializer(typeof(ResultInfo));
MemoryStream ms = new MemoryStream();
ser.WriteObject(ms, result_info);
string strResult = Encoding.UTF8.GetString(ms.ToArray());
ms.Close();
this.Response.Write(strResult);
this.Response.End();
return;
}
return;
ERROR1:
this.Response.Write(strError);
this.Response.End();
}
public int GetBatchTaskInfo(string strName,
BatchTaskInfo param,
out BatchTaskInfo info,
out string strError)
{
strError = "";
info = null;
BatchTask task = this.BatchTasks.GetBatchTask(strName);
// 任务本来就不存在
if (task == null)
{
strError = "任务 '" + strName + "' 不存在";
return -1;
}
info = task.GetCurrentInfo(param.ResultOffset,
param.MaxResultBytes);
return 1;
}
// 获得任务当前信息
// 多线程：安全
public BatchTaskInfo GetCurrentInfo(long lResultStart,
int nMaxResultBytes)
{
this.m_lock.AcquireReaderLock(m_nLockTimeout);
try
{
BatchTaskInfo info = new BatchTaskInfo();
info.Name = this.Name;
if (this.m_bClosed == false)
info.State = "运行中";
else
info.State = "停止";
info.ProgressText = this.ProgressText;
byte[] baResultText = null; ;
long lOffset = 0;
long lTotalLength = 0;
this.GetResultText(lResultStart,
nMaxResultBytes,
out baResultText,
out lOffset,
out lTotalLength);
info.ResultText = baResultText;
info.ResultOffset = lOffset;
info.ResultTotalLength = lTotalLength;
info.ResultVersion = this.ProgressFileVersion;
return info;
}
finally
{
this.m_lock.ReleaseReaderLock();
}
}
// 按照命令启动一个批处理任务(不是自动启动)
public int StartBatchTask(string strName,
BatchTaskInfo param,
out BatchTaskInfo info,
out string strError)
{
strError = "";
info = null;
// 2007/12/18
if (this.HangupReason == HangupReason.LogRecover)
{
strError = "当前系统正处在LogRecover挂起状态，无法启动新的批处理任务";
return -1;
}
BatchTask task = this.BatchTasks.GetBatchTask(strName);
// 创建新的任务
if (task == null)
{
/*
if (strName == "预约到书管理")
task = new ArriveMonitor(this, strName);
else if (strName == "日志恢复")
task = new OperLogRecover(this, strName);
else if (strName == "跟踪DTLP数据库")
task = new TraceDTLP(this, strName);
else if (strName == "正元一卡通读者信息同步")
task = new ZhengyuanReplication(this, strName);
else if (strName == "迪科远望一卡通读者信息同步")
task = new DkywReplication(this, strName);
else if (strName == "超期通知")
task = new ReadersMonitor(this, strName);
else if (strName == "消息监控")
task = new MessageMonitor(this, strName);
else
{
strError = "系统不能识别任务名 '" + strName + "'";
return -1;
}
* */
strError = "系统不能识别任务名 '" + strName + "'";
return -1;
try
{
this.BatchTasks.Add(task);
}
catch (Exception ex)
{
strError = ex.Message;
return -1;
}
}
else
{
bool bOldStoppedValue = task.Stopped;
// 激活 2007/10/10
task.eventActive.Set();
task.ManualStart = true; // 表示为命令启动
if (bOldStoppedValue == false)
{
strError = "任务 " + task.Name + " 已经在运行中，不能重复启动。本次操作激活了这个任务。";
return -1;
}
}
// 执行日志恢复任务前，需要先中断正在执行的其他任何任务
// TODO: 日志恢复 任务结束后，原先中断的那些任务并不会自动去启动。需要系统管理员手动重新启动一次Application
if (strName == "日志恢复")
{
StopAllBatchTasks();
}
task.ManualStart = true; // 表示为命令启动
task.StartInfo = param.StartInfo;
task.ClearProgressFile(); // 清除进度文件内容
task.StartWorkerThread();
// 激活 2007/10/10
task.eventActive.Set();
info = task.GetCurrentInfo(param.ResultOffset,
param.MaxResultBytes);
return 0;
}
