/// <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 node selected, do nothing.
if (this.listViewNodes.SelectedItems.Count == 0) return;
// Get the node information.
NodeInfo info = (NodeInfo)this.listViewNodes.SelectedItems[0].Tag;
// Confirm the removal.
if (MessageBox.Show(
this,
"You are removing the current slice from the PlanetLab node {0}. Do you want to continue?".FormatWith(info.NodeId),
"Confirm Removing the Slice from Node",
MessageBoxButtons.YesNo,
MessageBoxIcon.Question,
MessageBoxDefaultButton.Button2) == DialogResult.Yes)
{
// Create an identifiers array.
int[] ids = new int[] { info.NodeId };
// 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(slice.Id, ids.Length, ids.Length.PluralSuffix()),
Resources.GlobeLab_16,
Resources.GlobeClock_16);
// Log.
this.controlLogList.Add(this.config.Log.Add(
LogEventLevel.Verbose,
LogEventType.Information,
ControlSlice.logSource.FormatWith(this.slice.Id),
"Removing slice {0} from the PlanetLab node{1} {2}.",
new object[] { slice.Id, ids.Length.PluralSuffix(), ids }));
// Create the request state.
IdsRequestState requestState = new IdsRequestState(
null,
this.OnRemoveSliceFromNodesRequestResult,
this.OnRemoveSliceFromNodesRequestCanceled,
this.OnRemoveSliceFromNodesRequestException,
this.OnRemoveSliceFromNodesRequestFinished,
ids);
// Begin an asynchronous PlanetLab request.
this.BeginRequest(
this.requestRemoveSliceFromNodes,
this.crawler.PlanetLab.Username,
this.crawler.PlanetLab.Password,
new object[] { this.slice.Id.Value, ids },
requestState);
}
}
/// <summary>
/// An event handler called when adding the current slice to PlanetLab nodes.
/// </summary>
/// <param name="ids">The list of node IDs.</param>
private void OnAddSliceToNodes(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.controlLogList.Add(this.config.Log.Add(
LogEventLevel.Verbose,
LogEventType.Information,
ControlSlice.logSource.FormatWith(this.slice.Id),
"Adding slice {0} to the PlanetLab node{1} {2}.",
new object[] { slice.Id, ids.Length.PluralSuffix(), ids }));
// Create the request state.
IdsRequestState requestState = new IdsRequestState(
null,
this.OnAddSliceToNodesRequestResult,
this.OnAddSliceToNodesRequestCanceled,
this.OnAddSliceToNodesRequestException,
this.OnAddSliceToNodesRequestFinished,
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);
}
/// <summary>
/// An event handler called when the list of sites is refreshed.
/// </summary>
private void OnRefreshSites()
{
lock (this.pendingSync)
{
// If there are no sites to refresh, do nothing.
if (this.pendingSites.Count == 0) return;
// Update the status.
this.status.Send(
ApplicationStatus.StatusType.Busy,
@"Slice '{0}' has {1} node{2}.".FormatWith(this.slice.Name, this.slice.NodeIds.Length, this.slice.NodeIds.Length.PluralSuffix()),
"Refreshing the sites information...",
Resources.GlobeLab_16,
Resources.GlobeClock_16);
// Log.
this.controlLogList.Add(this.config.Log.Add(
LogEventLevel.Verbose,
LogEventType.Information,
ControlSlice.logSource.FormatWith(this.slice.Id),
"Refreshing the sites information."
));
// Create the request state.
IdsRequestState requestState = new IdsRequestState(
null,
this.OnRefreshSitesRequestResult,
this.OnRefreshSitesRequestCanceled,
this.OnRefreshSitesRequestException,
null,
this.pendingSites.ToArray());
// Begin an asynchronous PlanetLab request.
this.BeginRequest(
this.requestGetSites,
this.crawler.PlanetLab.Username,
this.crawler.PlanetLab.Password,
PlSite.GetFilter(PlSite.Fields.SiteId, requestState.Ids),
requestState);
// Clear the list of pending sites.
this.pendingSites.Clear();
}
}
