/// <summary>
/// Execute the actual task functionality.
/// </summary>
/// <param name="result">The current build result.</param>
/// <returns>
/// True if the task was successful, false otherwise.
/// </returns>
protected override bool Execute(IIntegrationResult result)
{
Log.Debug("HttpStatusTask is executing");
bool taskTimedOut = false;
string msg = string.Format(System.Globalization.CultureInfo.CurrentCulture, "Checking http status of URI: '{0}'", this.RequestSettings.Uri.ToString());
if (!String.IsNullOrEmpty(Description))
{
msg = Description + " (" + msg + ")";
}
Log.Debug(msg);
result.BuildProgressInformation.SignalStartRunTask(msg);
XmlTaskResult taskResult = new XmlTaskResult();
List <HttpRequestStatus> resp = new List <HttpRequestStatus>();
long startTimeStamp = -1;
bool keepTrying;
int attempt = 0;
if (this.HasTimeout)
{
startTimeStamp = Stopwatch.GetTimestamp();
}
do
{
try
{
if (this.HasTimeout)
{
long taskDurationTicks = Stopwatch.GetTimestamp() - startTimeStamp;
long taskDurationMilliSecs = (long)Math.Round(((double)taskDurationTicks / Stopwatch.Frequency) * 1000.0);
long msecsLeft = this.Timeout.Millis - taskDurationMilliSecs;
if (msecsLeft < 0)
{
taskTimedOut = true;
break;
}
if (msecsLeft < this.RequestSettings.Timeout.Millis)
{
this.RequestSettings.Timeout = new Timeout((int)msecsLeft, TimeUnits.MILLIS);
}
Log.Debug("Task timeout in T-{0:N1} seconds", msecsLeft / 1000.0);
}
HttpRequestStatus status = this.GetRequestStatus(this.RequestSettings);
if (status.Success)
{
Log.Debug("Checking returned status code ({0}) against success status codes: {1}", ((int)status.StatusCode).ToString(CultureInfo.CurrentCulture), this.SuccessStatusCodes);
for (int i = 0; i < this.successStatusCodes.Length; i++)
{
if ((int)status.StatusCode == this.successStatusCodes[i])
{
Log.Debug("Success, exiting...");
taskResult.Success = true;
break;
}
}
}
resp.Add(status);
}
catch (Exception ex)
{
throw new BuilderException(this, string.Format(System.Globalization.CultureInfo.CurrentCulture, "An exception occured in HttpStatusTask while checking status for: '{0}'", this.RequestSettings.Uri), ex);
}
// sleeping
keepTrying = !taskResult.Success && (this.Retries == -1 || (this.Retries - attempt++) > 0);
if (keepTrying)
{
var delay = this.RetryDelay ?? new Timeout(5000);
if (delay.Millis > 0)
{
delay.Normalize();
Log.Debug("Retrying in {0}...", delay.ToString());
System.Threading.Thread.Sleep(delay.Millis);
}
else
{
Log.Debug("Retrying...");
}
}
}while (keepTrying);
if (taskTimedOut)
{
throw new BuilderException(this, string.Format(System.Globalization.CultureInfo.CurrentCulture, "HttpStatusTask timed out while checking status for: '{0}'", this.RequestSettings.Uri));
}
Log.Debug("Writing output...");
XmlWriter writer = taskResult.GetWriter();
writer.WriteStartElement("httpStatus");
writer.WriteAttributeString("uri", this.RequestSettings.Uri.ToString());
writer.WriteAttributeString("success", XmlConvert.ToString(taskResult.Success));
if (!String.IsNullOrEmpty(this.Description))
{
writer.WriteElementString("description", this.Description);
}
foreach (HttpRequestStatus status in resp)
{
status.WriteTo(writer, this.IncludeContent);
}
writer.WriteEndElement();
writer.Close();
result.AddTaskResult(taskResult);
Log.Debug("HttpStatusTask finished, return value: {0}", taskResult.Success.ToString(CultureInfo.CurrentCulture));
return(taskResult.Success);
}
