// This function executes the activity.
// It is highly recommended to not to block the execution of this function while executing the activity.
// All the information should be logged into the queue and the function should be returned.
// In a separate thread or on a separate machine, read the data from the queue and execute the activity.
// Once the activity action is completed the bookmark should be resumed.
// Design the activity controller to hanlde multiple activities from one workflowflow.
public override void StartResumablePSCommand(Guid jobInstanceId, Bookmark bookmark, PowerShell command, PowerShellStreams <PSObject, PSObject> streams, PSActivityEnvironment environment, PSActivity activityInstance)
{
ActivityActionData data = new ActivityActionData();
data.jobInstanceId = jobInstanceId;
data.bookmark = bookmark;
data.command = command;
data.streams = streams;
data.environment = environment;
// Add the request to the queue.
ActivityActionsQueue.TryAdd(jobInstanceId, data);
// Return the fucntion and allow the workfow do other work in parallel.
// There should be a servicing thead which gets the data from the queue and perform the action.
// To keep this sample simple, the worker thread calls the servicing function.
ThreadPool.QueueUserWorkItem(ServiceRequests, jobInstanceId);
}
/// <summary>
/// Begin invocation of command specified in activity
/// </summary>
/// <param name="command">pipeline of command to execute</param>
/// <param name="input">input collection</param>
/// <param name="output">output collection</param>
/// <param name="policy">policy to use for the activity</param>
/// <param name="callback">optional callback</param>
/// <param name="state">optional caller specified state</param>
/// <returns>IAsyncResult</returns>
internal IAsyncResult BeginInvokePowerShell(System.Management.Automation.PowerShell command,
PSDataCollection <PSObject> input, PSDataCollection <PSObject> output, PSActivityEnvironment policy,
AsyncCallback callback, object state)
{
if (command == null)
{
throw new ArgumentNullException("command");
}
ConnectionAsyncResult result = new ConnectionAsyncResult(state, callback, command.InstanceId);
_structuredTracer.OutOfProcessRunspaceStarted(command.ToString());
ActivityInvoker invoker =
new ActivityInvoker
{
Input = input,
Output = output,
Policy = policy,
PowerShell = command,
AsyncResult = result
};
result.Invoker = invoker;
_requests.Enqueue(invoker);
PerfCountersMgr.UpdateCounterByValue(
PSWorkflowPerformanceCounterSetInfo.CounterSetId,
PSWorkflowPerformanceCounterIds.ActivityHostMgrIncomingRequestsPerSec);
PerfCountersMgr.UpdateCounterByValue(
PSWorkflowPerformanceCounterSetInfo.CounterSetId,
PSWorkflowPerformanceCounterIds.ActivityHostMgrPendingRequestsQueueLength);
CheckAndStartServicingThread();
return(result);
}
internal IAsyncResult BeginInvokePowerShell(System.Management.Automation.PowerShell command, PSDataCollection <PSObject> input, PSDataCollection <PSObject> output, PSActivityEnvironment policy, AsyncCallback callback, object state)
{
if (command != null)
{
ConnectionAsyncResult connectionAsyncResult = new ConnectionAsyncResult(state, callback, command.InstanceId);
this._structuredTracer.OutOfProcessRunspaceStarted(command.ToString());
ActivityInvoker activityInvoker = new ActivityInvoker();
activityInvoker.Input = input;
activityInvoker.Output = output;
activityInvoker.Policy = policy;
activityInvoker.PowerShell = command;
activityInvoker.AsyncResult = connectionAsyncResult;
ActivityInvoker activityInvoker1 = activityInvoker;
connectionAsyncResult.Invoker = activityInvoker1;
this._requests.Enqueue(activityInvoker1);
PSOutOfProcessActivityController.PerfCountersMgr.UpdateCounterByValue(PSWorkflowPerformanceCounterSetInfo.CounterSetId, 19, (long)1, true);
PSOutOfProcessActivityController.PerfCountersMgr.UpdateCounterByValue(PSWorkflowPerformanceCounterSetInfo.CounterSetId, 20, (long)1, true);
this.CheckAndStartServicingThread();
return(connectionAsyncResult);
}
else
{
throw new ArgumentNullException("command");
}
}
internal void RunPowerShellInActivityHost(System.Management.Automation.PowerShell powershell, PSDataCollection <PSObject> input,
PSDataCollection <PSObject> output, PSActivityEnvironment policy, ConnectionAsyncResult asyncResult)
{
ActivityInvoker invoker =
new ActivityInvoker
{
Input = input,
Output = output,
Policy = policy,
PowerShell = powershell,
AsyncResult = asyncResult
};
_requests.Enqueue(invoker);
CheckAndStartServicingThread();
}
internal void RunPowerShellInActivityHost(System.Management.Automation.PowerShell powershell, PSDataCollection <PSObject> input, PSDataCollection <PSObject> output, PSActivityEnvironment policy, ConnectionAsyncResult asyncResult)
{
ActivityInvoker activityInvoker = new ActivityInvoker();
activityInvoker.Input = input;
activityInvoker.Output = output;
activityInvoker.Policy = policy;
activityInvoker.PowerShell = powershell;
activityInvoker.AsyncResult = asyncResult;
ActivityInvoker activityInvoker1 = activityInvoker;
this._requests.Enqueue(activityInvoker1);
this.CheckAndStartServicingThread();
}
