public void UpdatePackageAgent(PackageAgent agent, bool updateEnabled)
{
if (agent == null)
{
throw new ArgumentNullException(nameof(agent));
}
var packageAgents = GetExistingSettingsLookup();
packageAgents.TryGetValue(agent.Name, out var agentToUpdate);
if (agentToUpdate != null)
{
AddItem disabledAgentItem = null;
if (updateEnabled)
{
// get list of disabled packages
var disabledAgentsSection = Settings.GetSection(ConfigurationConstants2.DisabledPackageAgents);
disabledAgentItem = disabledAgentsSection?.GetFirstItemWithAttribute <AddItem>(ConfigurationConstants.KeyAttribute, agentToUpdate.ElementName);
}
var oldPackageAgent = ReadPackageAgent(agentToUpdate, disabledAgentItem == null);
var isDirty = false;
UpdatePackageAgent(
agent,
oldPackageAgent,
disabledAgentItem,
updateEnabled,
shouldSkipSave: false,
isDirty: ref isDirty);
}
}
public void AddPackageAgent(PackageAgent agent)
{
if (agent == null)
{
throw new ArgumentNullException(nameof(agent));
}
var isDirty = false;
AddPackageAgent(agent, shouldSkipSave: false, isDirty: ref isDirty);
}
PackageAgent ReadPackageAgent(AgentItem setting, bool isEnabled)
{
var name = setting.Key;
var packageAgent = new PackageAgent(setting.GetValueAsPath(), name, isEnabled)
{
IsMachineWide = setting.Origin?.IsMachineWide ?? false,
};
return(packageAgent);
}
/// <summary>
/// Saves the <paramref name="agent" /> as the active agent.
/// </summary>
/// <param name="agent"></param>
public void SaveActivePackageAgent(PackageAgent agent)
{
try
{
var activePackageAgentSection = Settings.GetSection(ConfigurationConstants2.ActivePackageAgentSectionName);
if (activePackageAgentSection != null)
{
foreach (var activePackageAgent in activePackageAgentSection.Items)
{
Settings.Remove(ConfigurationConstants2.ActivePackageAgentSectionName, activePackageAgent);
}
}
Settings.AddOrUpdate(ConfigurationConstants2.ActivePackageAgentSectionName,
new AddItem(agent.Name, agent.Agent));
Settings.SaveToDisk();
}
// we want to ignore all errors here.
catch (Exception) { }
}
void UpdatePackageAgent(
PackageAgent newAgent,
PackageAgent existingAgent,
AddItem existingDisabledAgentItem,
bool updateEnabled,
bool shouldSkipSave,
ref bool isDirty)
{
if (string.Equals(newAgent.Name, existingAgent.Name, StringComparison.OrdinalIgnoreCase))
{
if ((!string.Equals(newAgent.Agent, existingAgent.Agent, StringComparison.OrdinalIgnoreCase) ||
newAgent.ProtocolVersion != existingAgent.ProtocolVersion) && newAgent.IsPersistable)
{
Settings.AddOrUpdate(ConfigurationConstants2.PackageAgents, newAgent.AsAgentItem());
isDirty = true;
}
if (updateEnabled)
{
if (newAgent.IsEnabled && existingDisabledAgentItem != null)
{
Settings.Remove(ConfigurationConstants2.DisabledPackageAgents, existingDisabledAgentItem);
isDirty = true;
}
if (!newAgent.IsEnabled && existingDisabledAgentItem == null)
{
AddDisabledAgent(newAgent.Name, shouldSkipSave: true, isDirty: ref isDirty);
}
}
if (!shouldSkipSave && isDirty)
{
Settings.SaveToDisk();
OnPackageAgentsChanged();
isDirty = false;
}
}
}
void AddPackageAgent(PackageAgent agent, bool shouldSkipSave, ref bool isDirty)
{
if (agent.IsPersistable)
{
Settings.AddOrUpdate(ConfigurationConstants2.PackageAgents, agent.AsAgentItem());
isDirty = true;
}
if (agent.IsEnabled)
{
RemoveDisabledAgent(agent.Name, shouldSkipSave: true, isDirty: ref isDirty);
}
else
{
AddDisabledAgent(agent.Name, shouldSkipSave: true, isDirty: ref isDirty);
}
if (!shouldSkipSave && isDirty)
{
Settings.SaveToDisk();
OnPackageAgentsChanged();
isDirty = false;
}
}
static int AddOrUpdateIndexedAgent(Dictionary <string, IndexedPackageAgent> packageAgentLookup, int packageIndex, PackageAgent packageAgent, string lookupKey)
{
if (!packageAgentLookup.TryGetValue(lookupKey, out var previouslyAddedAgent))
{
packageAgentLookup[lookupKey] = new IndexedPackageAgent
{
PackageAgent = packageAgent,
Index = packageIndex++
}
}
;
else if (previouslyAddedAgent.PackageAgent.ProtocolVersion < packageAgent.ProtocolVersion && packageAgent.ProtocolVersion <= MaxSupportedProtocolVersion)
{
// Pick the package agent with the highest supported protocol version
previouslyAddedAgent.PackageAgent = packageAgent;
}
return(packageIndex);
}