// stolen from http://www.codinghorror.com/blog/archives/000264.html
public static DateTime RetrieveLinkerTimestamp(Assembly asmb)
{
try
{
string filePath = asmb.Location;
const int c_PeHeaderOffset = 60;
const int c_LinkerTimestampOffset = 8;
byte[] b = new byte[2048];
using (Stream s = new FileStream(filePath, FileMode.Open, FileAccess.Read))
s.Read(b, 0, 2048);
int i = System.BitConverter.ToInt32(b, c_PeHeaderOffset);
int secondsSince1970 = System.BitConverter.ToInt32(b, i + c_LinkerTimestampOffset);
DateTime dt = new DateTime(1970, 1, 1, 0, 0, 0);
dt = dt.AddSeconds(secondsSince1970);
dt = dt.AddHours(TimeZone.CurrentTimeZone.GetUtcOffset(dt).Hours);
return(dt);
}
catch (Exception ex)
{
AltUtil.ShowError(ex.Message);
return(DateTime.MaxValue);
}
}
protected void AssertIsReady()
{
if (State != TaskState.Ready)
{
AltUtil.ShowError("Task is not ready when it should have been.");
throw new Util.ShouldNotHappenException();
}
}
private void TimerCbk(object state)
{
if (_timer == null)
{
return; // schedule has been exited
}
TaskBase owner = _owner;
if (owner.Owner == null || !owner.Owner.Contains(owner))
{
RenewTimer();
return;
}
switch (owner.State)
{
case TaskState.Ready:
System.Diagnostics.Debug.Assert(false);
break;
case TaskState.Busy:
try
{
owner.Message = "Could not run task on schedule: task is already running.";
}
catch (Exception ex)
{
AltUtil.ShowError(ex.Message);
}
RenewTimer();
break;
case TaskState.Scheduled:
if (!_skip)
{
LastRunTime = DateTime.Now;
try
{
owner.ScheduledRun(this);
}
catch (Exception ex)
{
AltUtil.ShowError(ex.Message);
}
}
RenewTimer();
break;
case TaskState.Paused:
RenewTimer();
break;
default:
System.Diagnostics.Debug.Assert(false);
break;
}
}
private void tsbClear_Click(object sender, EventArgs e)
{
try
{
_textBox.Clear();
}
catch (Exception ex)
{
AltUtil.ShowError(ex.Message);
}
}
private void txtWcfEndpointBaseAddress_Validating(object sender, CancelEventArgs e)
{
string text = ((TextBox)sender).Text;
string proto = C1ReportsSchedulerService.Defaults.WcfEndpointBaseAddress.Substring(0,
C1ReportsSchedulerService.Defaults.WcfEndpointBaseAddress.IndexOf("://") + 3);
if (!text.StartsWith(proto))
{
AltUtil.ShowError("WCF endpoint base address must start with " + proto);
e.Cancel = true;
}
}
private void OnEntryWritten(EntryWrittenEventArgs e)
{
try
{
_textBox.AppendText(string.Format("{0} {1}: ", e.Entry.TimeGenerated.ToShortDateString(), e.Entry.TimeGenerated.ToLongTimeString()));
_textBox.AppendText(e.Entry.Message);
_textBox.AppendText("\r\n");
}
catch (Exception ex)
{
AltUtil.ShowError(ex.Message);
}
}
public static void SetProperty(object target, string propertyName, string propertyValue)
{
if (target == null)
{
return;
}
try
{
PropertyDescriptor pd = TypeDescriptor.GetProperties(target)[propertyName];
object value = TypeDescriptor.GetConverter(pd.PropertyType).ConvertFrom(propertyValue);
pd.SetValue(target, value);
}
catch
{
AltUtil.ShowError(string.Format("SetProperty failed for {0}, value was {1}.", propertyName, propertyValue));
}
}
public override bool Run()
{
ActionState savedState = State;
State = ActionState.Running;
CheckedStatus = CheckedStatus.Working;
try
{
if (AltUtil.LogActions)
{
string actionLog = string.Format("Running action Id {0} (task Id {1}): Type '{2}', Output file '{3}' (Export format '{4}').",
Id, _owner.Id, this.Kind, this.OutputFileName, this.ExportFormatName);
AltUtil.LogMessage(actionLog);
}
switch (Kind)
{
case ActionKind.Export:
return(Export());
case ActionKind.Print:
return(Print());
case ActionKind.Run:
return(RunProgram());
default:
System.Diagnostics.Debug.Assert(false);
return(false);
}
}
catch (Exception ex)
{
AltUtil.ShowError(string.Format("Error running action Id {0} (task Id {1}): {2}.", Id, _owner.Id, ex.Message));
throw;
}
finally
{
State = savedState;
CheckedStatus = CheckedStatus.CheckedOk;
if (AltUtil.LogActions)
{
AltUtil.LogMessage(string.Format("Finished running action {0}.", Id));
}
}
}
protected override void ResetOutputFileName()
{
switch (Kind)
{
case ActionKind.Export:
OutputFileName = string.Empty;
break;
case ActionKind.Print:
try
{
// at least on my machine, when running as a service, no printer was marked as default.
// hence we use the first one installed if could not find a default.
bool found = false;
for (int i = 0; i < PrinterSettings.InstalledPrinters.Count && !found; ++i)
{
PrinterSettings ps = new PrinterSettings();
ps.PrinterName = PrinterSettings.InstalledPrinters[i];
if (ps.IsDefaultPrinter)
{
OutputFileName = ps.PrinterName;
found = true;
}
}
if (!found)
{
AltUtil.ShowWarning(string.Format("Could not find default printer, using {0}", PrinterSettings.InstalledPrinters[0]));
OutputFileName = PrinterSettings.InstalledPrinters[0];
}
}
catch
{
OutputFileName = string.Empty;
}
break;
case ActionKind.Run:
OutputFileName = string.Empty;
break;
default:
System.Diagnostics.Debug.Assert(false);
break;
}
}
private bool RunProgram()
{
string message;
if (!CanRunProgram(out message))
{
AltUtil.ShowError(string.Format("Cannot run program: {0}", message));
return(false);
}
using (Process prog = new Process())
{
prog.StartInfo.FileName = _owner.FileName;
prog.StartInfo.CreateNoWindow = true;
prog.StartInfo.UseShellExecute = false;
prog.StartInfo.RedirectStandardError = true;
prog.StartInfo.RedirectStandardOutput = true;
// prog.StartInfo.Arguments = ""; todo
prog.ErrorDataReceived += new DataReceivedEventHandler(prog_ErrorDataReceived);
prog.OutputDataReceived += new DataReceivedEventHandler(prog_OutputDataReceived);
prog.Start();
prog.BeginErrorReadLine();
prog.BeginOutputReadLine();
// timeout 1 minute (todo: allow to specify timeout):
int timeout = (int)(TimeSpan.TicksPerMinute / TimeSpan.TicksPerMillisecond);
if (!prog.WaitForExit(timeout))
{
AltUtil.ShowError(string.Format("Timeout waiting for program \"{0}\" to exit (waited {1} milliseconds).", _owner.FileName, timeout));
}
else
{
if (AltUtil.LogActions)
{
AltUtil.LogMessage(string.Format("Program \"{0}\" ended, exit code {1}.", _owner.FileName, prog.ExitCode));
}
}
prog.Close();
}
return(true);
}
private bool Export()
{
string message;
if (!CanExport(out message))
{
AltUtil.ShowError(string.Format("Cannot export: {0}", message));
return(false);
}
// do NOT try/catch here - exceptions should be handled by the caller (Run()):
Exporter exporter = _exporter;
exporter.Document = _owner.Document;
// Note: setting ShowOptions to false should not be needed since a test
// for IsUserInteractive was added in export (2.6.20093 or later).
exporter.ShowOptions = false;
// todo: add action's property to store export options, set them here:
exporter.Export(OutputFileName);
return(true);
}
private void LogOutput(Process prog, DataReceivedEventArgs e, bool error)
{
// ignore empty data:
if (string.IsNullOrEmpty(e.Data))
{
return;
}
if (!AltUtil.LogProgramOutput)
{
return;
}
try
{
string msg = string.Format("Process \"{0}\" {1}: {2}", prog.ProcessName, error ? "ERROR" : "OUTPUT", e.Data);
AltUtil.LogMessage(msg);
}
catch (Exception ex)
{
AltUtil.ShowError(ex.Message);
}
}
/// <summary>
/// Runs all actions synchronously, in the current thread.
/// </summary>
public override void ScheduledRun(ScheduleBase runner)
{
System.Diagnostics.Debug.Assert(runner == _schedule);
if (State != TaskState.Scheduled)
{
return; // this could happen if we were caught in a transitional state
}
try
{
State = TaskState.Busy;
CheckedStatus = CheckedStatus.Working;
if (AltUtil.LogTasks)
{
string taskLog = string.Format("Running task Id {0}: Type '{1}', File '{2}' (Report name '{3}').", Id, ReportKind, FileName, ReportName);
AltUtil.LogMessage(taskLog);
}
lock (_actions.SyncRoot)
foreach (ActionBase action in _actions)
{
action.Run();
}
// unloading task ensures that reports are regenerated on each run:
UnLoad();
}
catch
{
// Note: errors if any should've been logged by action.Run, hence we just throw them on here.
// AltUtil.ShowError(string.Format("Error running task Id {0}: {1}.", Id, ex.Message));
throw;
}
finally
{
CheckedStatus = CheckedStatus.CheckedOk;
State = _schedule.Enabled ? TaskState.Scheduled : TaskState.Ready;
if (AltUtil.LogTasks)
{
AltUtil.LogMessage(string.Format("Finished running task Id {0}.", Id));
}
}
}
private bool Print()
{
string message;
if (!CanPrint(out message))
{
AltUtil.ShowError(string.Format("Cannot print: {0}", message));
return(false);
}
object document = _owner.Document;
C1Report report = document as C1Report;
C1PrintDocument printDoc = report == null ? (C1PrintDocument)document : report.C1Document;
PrinterSettings ps = new PrinterSettings();
ps.PrinterName = OutputFileName;
if (!ps.IsValid)
{
return(false);
}
printDoc.Print(ps);
return(true);
}
protected override void OnListChanged(ListChangedEventArgs e)
{
base.OnListChanged(e);
TaskBase owner = _owner;
if (owner == null)
{
return;
}
if (e.ListChangedType == ListChangedType.ItemAdded || e.ListChangedType == ListChangedType.ItemDeleted)
{
owner.CheckedStatus = CheckedStatus.Unknown;
}
TaskListServer tasks = owner.Owner as TaskListServer;
if (tasks == null)
{
return;
}
IC1ReportsSchedulerWcfCallback wcfCallback = tasks.WcfCallback;
if (wcfCallback == null)
{
return;
}
try
{
switch (e.ListChangedType)
{
case ListChangedType.ItemAdded:
try
{
ActionServer action = (ActionServer)this[e.NewIndex];
long ownerId;
long actionId;
string xml;
lock (action.SyncRoot)
{
ownerId = owner.Id;
actionId = action.Id;
xml = action.ToProxyXml();
}
wcfCallback.ActionAdded(ownerId, e.NewIndex, actionId, xml);
}
catch (Exception ex)
{
AltUtil.ShowError(ex.Message);
}
break;
case ListChangedType.ItemChanged:
try
{
ActionServer action = (ActionServer)this[e.NewIndex];
long ownerId;
long actionId;
string xml;
lock (action.SyncRoot)
{
ownerId = owner.Id;
actionId = action.Id;
xml = action.ToProxyXml();
}
wcfCallback.ActionPropertyChanged(ownerId, actionId, xml, e.PropertyDescriptor.Name);
}
catch (Exception ex)
{
AltUtil.ShowError(ex.Message);
}
break;
case ListChangedType.ItemDeleted:
// we need removed task's id, hence TaskRemoved must be called from RemoveItem override:
// wcfCallback.TaskRemoved(TaskId(e.NewIndex));
break;
case ListChangedType.ItemMoved:
break;
case ListChangedType.Reset:
break;
}
}
catch (Exception ex)
{
AltUtil.ShowError(ex.Message);
IC1ReportsSchedulerWcf wcfService = tasks.WcfService;
if (wcfService != null)
{
wcfService.Disconnect(ex.Message);
}
}
}
