/// <summary>
/// Update properties
/// </summary>
/// <param name="replyEpr">callback URI</param>
/// <param name="processId">vertex process id</param>
/// <param name="infos">property information</param>
/// <param name="blockOnLabel">property update label</param>
/// <param name="blockOnVersion">property update version</param>
/// <param name="maxBlockTime">maximum time to wait for update</param>
/// <param name="getPropLabel">property to get</param>
/// <param name="ProcessStatistics">vertex host process statistics</param>
/// <returns>success/failure of property update</returns>
bool IDryadVertexService.SetGetProps(string replyEpr, int processId, ProcessPropertyInfo[] infos, string blockOnLabel, ulong blockOnVersion, long maxBlockTime, string getPropLabel, bool ProcessStatistics)
{
DryadLogger.LogMethodEntry(replyEpr, processId);
bool success = false;
try
{
// Get the vertex process ID
VertexProcess vp = FindByDryadId(processId);
if (vp != null)
{
success = vp.SetGetProps(replyEpr, infos, blockOnLabel, blockOnVersion, maxBlockTime, getPropLabel, ProcessStatistics);
}
else
{
DryadLogger.LogError(0, null, "Failed to set / get process properties: Unknown process id {0}", processId);
}
}
catch (Exception e)
{
DryadLogger.LogWarning("Set Or Get Process Properties", "Operation threw exception: {0}", e.ToString());
throw new FaultException <VertexServiceError>(new VertexServiceError("SetGetProps", e.ToString()));
}
DryadLogger.LogMethodExit(success);
return(success);
}
/// <summary>
/// Cancels the vertex process with the provided id
/// </summary>
/// <param name="processId">vertex process id</param>
void IDryadVertexService.CancelScheduleProcess(int processId)
{
VertexProcess vp = null;
DryadLogger.LogMethodEntry(processId);
try
{
vp = FindByDryadId(processId);
if (vp != null)
{
vp.Cancel(false);
}
else
{
DryadLogger.LogWarning("Cancel Process", "Unknown process id {0}", processId);
}
}
catch (Exception e)
{
DryadLogger.LogWarning("Cancel Process", "Operation threw exception: {0}", e.ToString());
}
DryadLogger.LogMethodExit();
}
/// <summary>
/// Removes reference to a vertex process
/// </summary>
/// <param name="processId">process id to forget</param>
void IDryadVertexService.ReleaseProcess(int processId)
{
DryadLogger.LogMethodEntry(processId);
VertexProcess vp = null;
try
{
vp = FindByDryadId(processId);
if (vp != null)
{
vertexProcessTable.Remove(vp);
vp.Dispose();
}
else
{
DryadLogger.LogWarning("Release Process", "Unknown process id {0}", processId);
}
}
catch (Exception e)
{
DryadLogger.LogWarning("Release Process", "Operation threw exception: {0}", e.ToString());
}
DryadLogger.LogMethodExit();
}
/// <summary>
/// Schedule a vertex host process using the provided parameters
/// </summary>
/// <param name="replyUri">callback URI</param>
/// <param name="processId">vertex process id</param>
/// <param name="commandLine">vertex host command line</param>
/// <param name="environment">vertex host environment variables</param>
/// <returns>Success/Failure of starting vertex process thread</returns>
bool IDryadVertexService.ScheduleProcess(string replyUri, int processId, string commandLine, StringDictionary environment)
{
DryadLogger.LogMethodEntry(processId, commandLine);
bool startSuccess = false;
Console.WriteLine("Starting process id {0} with commandLIne: '{1}", processId, commandLine);
try
{
VertexProcess newProcess = null;
lock (vertexProcessTable.SyncRoot)
{
foreach (VertexProcess vp in vertexProcessTable)
{
if (vp.DryadId == processId)
{
// This means a previous call to Schedule process partially succeeded:
// the call made it to the service but something went wrong with the response
// so the GM's xcompute machinery retried the call. We can just return success
// for this case rather than tearing down the process and creating a new one.
return(true);
}
if (vp.State <= ProcessState.Running)
{
// There should be no other processes running.
// If there are, it means a previous communication error
// cause the GM to give up on this node for a while.
// Kill anything that's still hanging around.
vp.Cancel(true);
}
}
newProcess = new VertexProcess(
replyUri,
processId,
commandLine,
environment,
OperationContext.Current.Channel.LocalAddress.Uri.ToString()
);
this.vertexProcessTable.Add(newProcess);
}
startSuccess = newProcess.Start(initializedEvent);
}
catch (Exception e)
{
DryadLogger.LogWarning("Schedule Process", "Operation threw exception: {0}", e.ToString());
throw new FaultException <VertexServiceError>(new VertexServiceError("ReleaseProcess", e.ToString()));
}
DryadLogger.LogMethodExit(startSuccess);
return(startSuccess);
}
/// <summary>
/// Schedule a vertex host process using the provided parameters
/// </summary>
/// <param name="replyUri">callback URI</param>
/// <param name="processId">vertex process id</param>
/// <param name="commandLine">vertex host command line</param>
/// <param name="environment">vertex host environment variables</param>
/// <returns>Success/Failure of starting vertex process thread</returns>
bool IDryadVertexService.ScheduleProcess(string replyUri, int processId, string commandLine, StringDictionary environment)
{
DryadLogger.LogMethodEntry(processId, commandLine);
bool startSuccess = false;
Console.WriteLine("Starting process id {0} with commandLIne: '{1}", processId, commandLine);
try
{
VertexProcess newProcess = null;
lock (vertexProcessTable.SyncRoot)
{
foreach (VertexProcess vp in vertexProcessTable)
{
if (vp.DryadId == processId)
{
// This means a previous call to Schedule process partially succeeded:
// the call made it to the service but something went wrong with the response
// so the GM's xcompute machinery retried the call. We can just return success
// for this case rather than tearing down the process and creating a new one.
return true;
}
if (vp.State <= ProcessState.Running)
{
// There should be no other processes running.
// If there are, it means a previous communication error
// cause the GM to give up on this node for a while.
// Kill anything that's still hanging around.
vp.Cancel(true);
}
}
newProcess = new VertexProcess(
replyUri,
processId,
commandLine,
environment,
OperationContext.Current.Channel.LocalAddress.Uri.ToString()
);
this.vertexProcessTable.Add(newProcess);
}
startSuccess = newProcess.Start(initializedEvent);
}
catch (Exception e)
{
DryadLogger.LogWarning("Schedule Process", "Operation threw exception: {0}", e.ToString());
throw new FaultException<VertexServiceError>(new VertexServiceError("ReleaseProcess", e.ToString()));
}
DryadLogger.LogMethodExit(startSuccess);
return startSuccess;
}