private string ConstructPythonScript(JobId jobId)
{
string pythonScript = Properties.Resources.RemoveJobScript;
return(string.Format(pythonScript,
jobId));
}
private string ConstructPythonScript(JobId jobId)
{
string pythonScript = Properties.Resources.GetJobStatusScript;
return(string.Format(pythonScript,
jobId.ClusterId,
jobId.ProcessId));
}
public static void SendToChild(JobId jobId, object objectToSend)
{
if (!isInitialized)
{
throw new ShappException("before sending a message you have to initialize the CommunicatorWithChildren");
}
server.Send(jobIdToSocket[jobId], objectToSend);
}
public string GetCounterExample(JobId jid)
{
var childFilenamesMap = ReadFilenameMapping(jid); // loads the mapping from the child, can be done only after the child completes
string counterExampleFilename = GetEffectiveFilename(COUNTER_EXAMPLE_FILE, childFilenamesMap);
string counterExample = File.ReadAllText(counterExampleFilename);
return(counterExample);
}
/// <summary>
/// Initializes job's descriptor with its jobId. It is being used mostly by internals of
/// the library, but JobDescriptor may be created for an arbitrary job id (e.g. the one
/// saved in some file before the program shutdown).
/// </summary>
/// <param name="jobId">job's id to bound into descriptor</param>
public JobDescriptor(JobId jobId)
{
JobId = jobId;
StateListener += JobDescriptorEventLauncher;
StateListener += JobDescriptorStateChangeLogger;
jobStateFetcher = new JobStateFetcher(jobId);
jobRemover = new JobRemover(jobId);
SetupJobStatusPoller();
}
public int GetExitCode(JobId jid)
{
var childFilenamesMap = ReadFilenameMapping(jid); // loads the mapping from the child, can be done only after the child completes
// from now, using the files is exaclty mirrored as in the child
string exitCodeFilename = GetEffectiveFilename(EXIT_CODE_FILE, childFilenamesMap);
int exitCode = int.Parse(File.ReadAllText(exitCodeFilename));
return(exitCode);
}
private static Dictionary <String, String> ReadFilenameMapping(JobId jid)
{
Dictionary <String, String> filenamesMap = new Dictionary <string, string>();
using (StreamReader sr = new StreamReader(string.Format("x_{0}_stdout.out", jid))) {
string line;
while ((line = sr.ReadLine()) != null)
{
Regex regex = new Regex(FILENAMES_MAPPING_FORMAT_REGEX);
Match match = regex.Match(line);
string filename = match.Groups[1].Value;
string effectiveFilename = match.Groups[2].Value;
filenamesMap.Add(filename, effectiveFilename);
}
}
return(filenamesMap);
}
private void JobDescriptorEventLauncher(JobState previous, JobState current, JobId jobId)
{
switch (current)
{
case JobState.RUNNING:
JobStartedEvent.Set();
break;
case JobState.COMPLETED:
JobStartedEvent.Set();
JobCompletedEvent.Set();
JobReadyForCommunicationsEvent.Reset();
DisableProbingJobState();
break;
case JobState.REMOVED:
JobStartedEvent.Set();
JobRemovedEvent.Set();
JobReadyForCommunicationsEvent.Reset();
DisableProbingJobState();
break;
}
}
/// <summary>
/// Constructs the status fetcher for one particular job id.
/// </summary>
/// <param name="jobId">job's id which state should be watched</param>
public JobStateFetcher(JobId jobId)
{
JobId = jobId;
PythonScriptWithFetcher = ConstructPythonScript(jobId);
pythonScriptExecutor = new PythonScriptsExecutor(PythonScriptWithFetcher);
}
private void JobDescriptorStateChangeLogger(JobState previous, JobState current, JobId jobId)
{
C.log.Info(string.Format("Job {0} state has changed from {1} to {2}", jobId, previous, current));
}
/// <summary>
/// Constructs the job remover for one particular job id.
/// </summary>
/// <param name="jobId">job's id which state should be removed</param>
public JobRemover(JobId jobId)
{
JobId = jobId;
PythonScriptWithRemover = ConstructPythonScript(jobId);
pythonScriptExecutor = new PythonScriptsExecutor(PythonScriptWithRemover);
}
