/// <summary>
/// An event handler called when the user removes a slice from nodes.
/// </summary>
/// <param name="sender">The sender object.</param>
/// <param name="e">The event arguments.</param>
private void OnRemoveFromNodes(object sender, EventArgs e)
{
// If there is no validated PlanetLab person account, show a message and return.
if (-1 == CrawlerConfig.Static.PlanetLabPersonId)
{
MessageBox.Show(this, "You must set and validate a PlanetLab account in the settings page before configuring the PlanetLab slices.", "PlanetLab Account Not Configured", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
// If there is no selected slice, do nothing.
if (this.listViewSlices.SelectedItems.Count == 0) return;
// Get the slice.
SliceInfo info = (SliceInfo)this.listViewSlices.SelectedItems[0].Tag;
// If the slice does not have an ID, show an error message and return.
if (!info.Slice.Id.HasValue)
{
MessageBox.Show(this, "The selected slice does not have an identifier.", "Remove Slice to Nodes", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
// Show the remove slice from node dialog.
if (this.formRemoveSliceFromNodes.ShowDialog(this, info.Slice) == DialogResult.OK)
{
// Get the PlanetLab node IDs.
int[] ids = this.formRemoveSliceFromNodes.Result;
// Update the status.
this.status.Send(
ApplicationStatus.StatusType.Busy,
"Showing {0} PlanetLab slices.".FormatWith(this.crawler.PlanetLab.LocalSlices.Count),
"Removing slice {0} from {1} PlanetLab node{2}...".FormatWith(info.Slice.Id, ids.Length, ids.Length.PluralSuffix()),
Resources.GlobeLab_16,
Resources.GlobeClock_16);
// Log
this.controlLog.Add(this.crawler.Log.Add(
LogEventLevel.Verbose,
LogEventType.Information,
ControlSlices.logSource,
"Removing slice {0} from {1} PlanetLab node{2}.",
new object[] { info.Slice.Id, ids.Length, ids.Length.PluralSuffix() }));
// Create the request state.
SliceIdsRequestState requestState = new SliceIdsRequestState(
this.OnRemoveSliceFromNodesRequestStarted,
this.OnRemoveSliceFromNodesRequestResult,
this.OnRemoveSliceFromNodesRequestCanceled,
this.OnRemoveSliceFromNodesRequestException,
this.OnRemoveSliceFromNodesRequestFinished,
info.Slice,
ids);
// Begin an asynchronous PlanetLab request.
this.BeginRequest(
this.requestRemoveSliceFromNodes,
this.crawler.PlanetLab.Username,
this.crawler.PlanetLab.Password,
new object[] { info.Slice.Id.Value, ids },
requestState);
}
}
/// <summary>
/// An event handler called when adding a slice to PlanetLab nodes.
/// </summary>
/// <param name="slice">The slice.</param>
/// <param name="ids">The list of node IDs.</param>
private void OnAddSliceToNodes(PlSlice slice, int[] ids)
{
// If the slice does not have an ID, show an error message and return.
if (!slice.Id.HasValue)
{
MessageBox.Show(this, "The selected slice does not have an identifier.", "Add Slice to Nodes", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
// Update the status.
this.status.Send(
ApplicationStatus.StatusType.Busy,
"Showing {0} PlanetLab slices.".FormatWith(this.crawler.PlanetLab.LocalSlices.Count),
"Adding slice {0} to {1} PlanetLab node{2}...".FormatWith(slice.Id, ids.Length, ids.Length.PluralSuffix()),
Resources.GlobeLab_16,
Resources.GlobeClock_16);
// Log
this.controlLog.Add(this.crawler.Log.Add(
LogEventLevel.Verbose,
LogEventType.Information,
ControlSlices.logSource,
"Adding slice {0} to {1} PlanetLab node{2}.",
new object[] { slice.Id, ids.Length, ids.Length.PluralSuffix() }));
// Create the request state.
SliceIdsRequestState requestState = new SliceIdsRequestState(
this.OnAddSliceToNodesRequestStarted,
this.OnAddSliceToNodesRequestResult,
this.OnAddSliceToNodesRequestCanceled,
this.OnAddSliceToNodesRequestException,
this.OnAddSliceToNodesRequestFinished,
slice,
ids);
// Begin an asynchronous PlanetLab request.
this.BeginRequest(
this.requestAddSliceToNodes,
this.crawler.PlanetLab.Username,
this.crawler.PlanetLab.Password,
new object[] { slice.Id.Value, ids },
requestState);
}