void Timer_Elapsed(object sender, System.Timers.ElapsedEventArgs e)
{
CheckBuildMachineAliveStatus();
// Check SVN server every 60 seconds for a new HEAD revision.
if (_iLastSVNCheckTimestamp + iSVNRevisionCheckInterval < LinuxDateTime.Now())
{
CheckForNewRevision();
}
lock (_Lock)
{
if (IsHibernationPossible())
{
// Conditions for hibernation are met - increase hibernation timer
_iHibernationTime += iTimerInterval;
if (_iHibernationTime > iHibernationDelay)
{
_iHibernationTime = 0;
// We have been idle for 15min (iHibernationDelay), thus we now go into hibernation.
ezProcessHelper.RunExternalExe("shutdown", "-h", _Settings.AbsOutputFolder, null);
}
}
else
{
// Reset hibernation timer
_iHibernationTime = 0;
}
}
}
bool CheckForNewRevision()
{
_iLastSVNCheckTimestamp = LinuxDateTime.Now();
// Call 'svn info' on the server and extract the HEAD revision from the stdout stream.
const string sRevisionToken = "Revision: ";
string sArguments = string.Format("info -r HEAD {0} --username {1} --password {2} --non-interactive --trust-server-cert",
_Settings.SVNServer, _Settings.SVNUsername, _Settings.SVNPassword);
ezProcessHelper.ProcessResult ProcessRes = ezProcessHelper.RunExternalExe("svn", sArguments, _Settings.AbsOutputFolder, null, 20 * 1000);
if (ProcessRes.ExitCode != 0)
{
return(false);
}
string[] lines = ProcessRes.StdOut.Split('\n');
foreach (string line in lines)
{
if (line.StartsWith(sRevisionToken))
{
string sValue = line.Substring(sRevisionToken.Length);
try
{
int iRev = Convert.ToInt32(sValue);
if (iRev != _HeadRevision)
{
lock (_Lock)
{
_HeadRevision = iRev;
Console.WriteLine("HEAD revision: {0}", _HeadRevision);
}
}
}
catch (FormatException)
{
Console.WriteLine("'CheckForNewRevision' failed to extract revision number from line: '{0}", line);
return(false);
}
return(true);
}
}
lock (_Lock)
{
Console.WriteLine("'CheckForNewRevision' failed to find the revision line in the svn: '{0}{1}", ProcessRes.StdOut, ProcessRes.ErrorOut);
_HeadRevision = -1;
}
return(false);
}
/// <summary>
/// Runs the build process for the given SVN revision.
/// </summary>
/// <param name="iRevision">The SVN revision to which should be updated before building.</param>
/// <param name="bClean">Whether the builds should be cleaned instead of incremental compiles.</param>
/// <returns>If false is returned, SVN update failed and the build machine is now in fatal error state
/// and should not accept any more requests until an admin fixed the issue.</returns>
public bool Run(int iRevision, bool bClean)
{
_Result.Clean();
_Result.Settings.Revision = iRevision;
Console.WriteLine("**** Starting building rev {0} of build {1} ****", iRevision, _Result.Settings.Configuration);
Stopwatch sw = new Stopwatch();
sw.Start();
///
if (!String.IsNullOrEmpty(_Result.Settings.PreBuildStep))
{
ezProcessHelper.RunExternalExe(_Result.Settings.PreBuildStep, "", _Result.Settings.AbsCMakeWorkspace, null);
}
///
_Result.SVNResult = _SVN.Run(iRevision);
_Result.CMakeResult = _CMake.Run(_Result.SVNResult);
_Result.BuildResult = _Build.Run(_Result.CMakeResult, bClean);
_Result.TestResult = _Test.Run(_Result.CMakeResult, _Result.BuildResult);
sw.Stop();
_Result.Duration = sw.Elapsed.TotalSeconds;
_Result.Success = _Result.SVNResult.Success && _Result.CMakeResult.Success &&
_Result.BuildResult.Success && _Result.TestResult.Success;
_Result.Settings.Timestamp = LinuxDateTime.Now();
if (!WriteResultToFile())
{
Console.WriteLine("Writing result to file failed!");
}
Console.WriteLine("**** Building ended ****");
// Returns whether the process of building was run properly, not whether everything succeeded or not.
// If SVN fails somehow we cannot continue and the build machine is set into fatal failure mode.
return(_Result.SVNResult.Success);
}