/// <summary>
/// Static failure resolution constructor.
/// </summary>
public YodiiEngineResult(IConfigurationSolver solver, List <PluginData> blockingPlugins, List <ServiceData> blockingServices, YodiiEngine engine)
{
Debug.Assert(blockingPlugins != null || blockingServices != null, "At least one must not be null.");
Debug.Assert(solver != null);
Debug.Assert(engine != null);
var allP = solver.AllPlugins.Select(p => new SolvedPluginSnapshot(p)).ToDictionary(p => p.PluginInfo);
var allS = solver.AllServices.Select(s => new SolvedServiceSnapshot(s)).ToDictionary(s => s.ServiceInfo.ServiceFullName);
_staticOnlyResultConfiguration = new StaticSolvedConfiguration(allP.Values.ToReadOnlyList(), allS.Values.ToReadOnlyList());
var blkP = blockingPlugins == null
? CKReadOnlyListEmpty <IStaticSolvedPlugin> .Empty
: blockingPlugins.Select(p => allP[p.PluginInfo]).ToReadOnlyList();
_pluginCulprits = blkP.Select(ps => ps.PluginInfo).ToReadOnlyList();
var blkS = blockingServices == null
? CKReadOnlyListEmpty <IStaticSolvedService> .Empty
: blockingServices.Select(s => allS[s.ServiceInfo.ServiceFullName]).ToReadOnlyList();
_serviceCulprits = blkS.Select(ss => ss.ServiceInfo).ToReadOnlyList();
_engine = engine;
_staticFailureResult = new StaticFailureResult(_staticOnlyResultConfiguration, blkP, blkS);
}
internal ServiceData(IConfigurationSolver solver, IServiceInfo s, ConfigurationStatus serviceStatus, StartDependencyImpact impact = StartDependencyImpact.Unknown)
: this(s, serviceStatus, impact)
{
Family = new ServiceFamily(solver, this);
_inheritedServicesWithThis = new ServiceData[] { this };
Initialize();
}
/// <summary>
/// Static only success resolution constructor.
/// </summary>
public YodiiEngineResult( IConfigurationSolver solver, YodiiEngine engine )
{
Debug.Assert( solver != null );
Debug.Assert( engine != null );
var allP = solver.AllPlugins.Select( p => new SolvedPluginSnapshot( p ) ).ToDictionary( p => p.PluginInfo );
var allS = solver.AllServices.Select( s => new SolvedServiceSnapshot( s ) ).ToDictionary( s => s.ServiceInfo.ServiceFullName );
_staticOnlyResultConfiguration = new StaticSolvedConfiguration( allP.Values.ToReadOnlyList(), allS.Values.ToReadOnlyList() );
_pluginCulprits = CKReadOnlyListEmpty<IPluginInfo>.Empty;
_serviceCulprits = CKReadOnlyListEmpty<IServiceInfo>.Empty;
_engine = engine;
}
/// <summary>
/// Static only success resolution constructor.
/// </summary>
public YodiiEngineResult(IConfigurationSolver solver, YodiiEngine engine)
{
Debug.Assert(solver != null);
Debug.Assert(engine != null);
var allP = solver.AllPlugins.Select(p => new SolvedPluginSnapshot(p)).ToDictionary(p => p.PluginInfo);
var allS = solver.AllServices.Select(s => new SolvedServiceSnapshot(s)).ToDictionary(s => s.ServiceInfo.ServiceFullName);
_staticOnlyResultConfiguration = new StaticSolvedConfiguration(allP.Values.ToReadOnlyList(), allS.Values.ToReadOnlyList());
_pluginCulprits = CKReadOnlyListEmpty <IPluginInfo> .Empty;
_serviceCulprits = CKReadOnlyListEmpty <IServiceInfo> .Empty;
_engine = engine;
}
/// <summary>
/// Dynamic failure constructor.
/// </summary>
internal YodiiEngineResult( IConfigurationSolver solver, IEnumerable<Tuple<IPluginInfo, Exception>> errorInfo, YodiiEngine engine )
{
Debug.Assert( solver != null );
Debug.Assert( errorInfo != null && errorInfo.Any() );
Debug.Assert( engine != null );
var allP = solver.AllPlugins.Select( p => new SolvedPluginSnapshot( p ) ).ToDictionary( ps => ps.PluginInfo );
var allS = solver.AllServices.Select( s => new SolvedServiceSnapshot( s ) ).ToReadOnlyList();
var errors = errorInfo.Select( e => new PluginRuntimeError( allP[e.Item1], e.Item2 ) ).ToReadOnlyList();
_pluginCulprits = errors.Select( e => e.Plugin.PluginInfo ).ToReadOnlyList();
_serviceCulprits = _pluginCulprits.Select( p => p.Service ).Where( s => s != null ).ToReadOnlyList();
_engine = engine;
_hostFailureResult = new DynamicFailureResult( new DynamicSolvedConfiguration( allP.Values.ToReadOnlyList(), allS ), errors );
}
/// <summary>
/// Dynamic failure constructor.
/// </summary>
internal YodiiEngineResult(IConfigurationSolver solver, IEnumerable <Tuple <IPluginInfo, Exception> > errorInfo, YodiiEngine engine)
{
Debug.Assert(solver != null);
Debug.Assert(errorInfo != null && errorInfo.Any());
Debug.Assert(engine != null);
var allP = solver.AllPlugins.Select(p => new SolvedPluginSnapshot(p)).ToDictionary(ps => ps.PluginInfo);
var allS = solver.AllServices.Select(s => new SolvedServiceSnapshot(s)).ToReadOnlyList();
var errors = errorInfo.Select(e => new PluginRuntimeError(allP[e.Item1], e.Item2)).ToReadOnlyList();
_pluginCulprits = errors.Select(e => e.Plugin.PluginInfo).ToReadOnlyList();
_serviceCulprits = _pluginCulprits.Select(p => p.Service).Where(s => s != null).ToReadOnlyList();
_engine = engine;
_hostFailureResult = new DynamicFailureResult(new DynamicSolvedConfiguration(allP.Values.ToReadOnlyList(), allS), errors);
}
/// <summary>
/// Static failure resolution constructor.
/// </summary>
public YodiiEngineResult( IConfigurationSolver solver, List<PluginData> blockingPlugins, List<ServiceData> blockingServices, YodiiEngine engine )
{
Debug.Assert( blockingPlugins != null || blockingServices != null, "At least one must not be null." );
Debug.Assert( solver != null );
Debug.Assert( engine != null );
var allP = solver.AllPlugins.Select( p => new SolvedPluginSnapshot( p ) ).ToDictionary( p => p.PluginInfo );
var allS = solver.AllServices.Select( s => new SolvedServiceSnapshot( s ) ).ToDictionary( s => s.ServiceInfo.ServiceFullName );
_staticOnlyResultConfiguration = new StaticSolvedConfiguration( allP.Values.ToReadOnlyList(), allS.Values.ToReadOnlyList() );
var blkP = blockingPlugins == null
? CKReadOnlyListEmpty<IStaticSolvedPlugin>.Empty
: blockingPlugins.Select( p => allP[p.PluginInfo] ).ToReadOnlyList();
_pluginCulprits = blkP.Select( ps => ps.PluginInfo ).ToReadOnlyList();
var blkS = blockingServices == null
? CKReadOnlyListEmpty<IStaticSolvedService>.Empty
: blockingServices.Select( s => allS[s.ServiceInfo.ServiceFullName] ).ToReadOnlyList();
_serviceCulprits = blkS.Select( ss => ss.ServiceInfo ).ToReadOnlyList();
_engine = engine;
_staticFailureResult = new StaticFailureResult( _staticOnlyResultConfiguration, blkP, blkS );
}
public ServiceFamily(IConfigurationSolver solver, ServiceData root)
{
Solver = solver;
Root = root;
_availableServices = new HashSet <ServiceData>();
}
internal ServiceData( IConfigurationSolver solver, IServiceInfo s, ConfigurationStatus serviceStatus, StartDependencyImpact impact = StartDependencyImpact.Unknown )
: this(s, serviceStatus, impact)
{
Family = new ServiceFamily( solver, this );
_inheritedServicesWithThis = new ServiceData[] { this };
Initialize();
}
internal void UpdateFrom( IConfigurationSolver solver )
{
// 1 - Removes existing items from live info that do not exist anymore in the new running context.
// This raises Collection "item removed" events.
//
_services.RemoveWhereAndReturnsRemoved( s => solver.FindService( s.ServiceInfo.ServiceFullName ) == null ).Count();
_plugins.RemoveWhereAndReturnsRemoved( p => solver.FindPlugin( p.PluginInfo.PluginFullName ) == null ).Count();
DelayedPropertyNotification notifier = new DelayedPropertyNotification();
// 2 - Builds two lists of new Services and new Plugins and for already existing ones,
// updates them with the new information.
// This update does not trigger any ProprtyChanged events and consider only
// direct properties of the object.
// Changes to linked items (such as a Generalization reference for instance will be
// done later thanks to their Bind method.
//
List<LiveServiceInfo> servicesToAdd = new List<LiveServiceInfo>();
foreach( var s in solver.AllServices )
{
LiveServiceInfo ls = _services.GetByKey( s.ServiceInfo.ServiceFullName );
if( ls == null ) servicesToAdd.Add( new LiveServiceInfo( s, _engine ) );
else ls.UpdateFrom( s, notifier );
}
List<LivePluginInfo> pluginsToAdd = new List<LivePluginInfo>();
foreach( var p in solver.AllPlugins )
{
LivePluginInfo lp = _plugins.GetByKey( p.PluginInfo.PluginFullName );
if( lp == null ) pluginsToAdd.Add( new LivePluginInfo( p, _engine ) );
else lp.UpdateFrom( p, notifier );
}
// 3 - Intrinsic properties have been updated. We now consider the properties that reference other items.
//
Func<string,LiveServiceInfo> serviceFinder = name => _services.GetByKey( name ) ?? servicesToAdd.First( ls => ls.ServiceInfo.ServiceFullName == name );
Func<string,LivePluginInfo> pluginFinder = id => _plugins.GetByKey( id ) ?? pluginsToAdd.First( lp => lp.PluginInfo.PluginFullName == id );
using( notifier.SilentMode() )
{
foreach( var ls in servicesToAdd ) ls.Bind( solver.FindExistingService( ls.ServiceInfo.ServiceFullName ), serviceFinder, pluginFinder, notifier );
}
foreach( var ls in _services ) ls.Bind( solver.FindExistingService( ls.ServiceInfo.ServiceFullName ), serviceFinder, pluginFinder, notifier );
using( notifier.SilentMode() )
{
foreach( var lp in pluginsToAdd ) lp.Bind( solver.FindExistingPlugin( lp.PluginInfo.PluginFullName ), serviceFinder, notifier );
}
foreach( var lp in _plugins ) lp.Bind( solver.FindExistingPlugin( lp.PluginInfo.PluginFullName ), serviceFinder, notifier );
// 4 - It is time to add the new comers: this raises Collection changed "item added" events.
foreach( var ls in servicesToAdd ) _services.Add( ls );
foreach( var lp in pluginsToAdd ) _plugins.Add( lp );
// 5 - Raises all PropertyChanged events for all objects.
notifier.RaiseEvents();
}
internal PluginData(IConfigurationSolver solver, IPluginInfo p, ServiceData service, ConfigurationStatus pluginStatus, StartDependencyImpact impact = StartDependencyImpact.Unknown)
{
_solver = solver;
PluginInfo = p;
Service = service;
ConfigOriginalStatus = pluginStatus;
switch (pluginStatus)
{
case ConfigurationStatus.Disabled: _configSolvedStatus = SolvedConfigurationStatus.Disabled; break;
case ConfigurationStatus.Running: _configSolvedStatus = SolvedConfigurationStatus.Running; break;
default: _configSolvedStatus = SolvedConfigurationStatus.Runnable; break;
}
_configSolvedStatusReason = PluginRunningRequirementReason.Config;
RawConfigSolvedImpact = ConfigOriginalImpact = impact;
if (RawConfigSolvedImpact == StartDependencyImpact.Unknown && Service != null)
{
RawConfigSolvedImpact = Service.ConfigSolvedImpact;
}
_configSolvedImpact = RawConfigSolvedImpact;
if (_configSolvedImpact == StartDependencyImpact.Unknown || (_configSolvedImpact & StartDependencyImpact.IsTryOnly) != 0)
{
_configSolvedImpact = StartDependencyImpact.Minimal;
}
if (ConfigOriginalStatus == ConfigurationStatus.Disabled)
{
_configDisabledReason = PluginDisabledReason.Config;
}
else if (p.HasError)
{
_configDisabledReason = PluginDisabledReason.PluginInfoHasError;
}
else if (Service != null)
{
if (Service.Disabled)
{
_configDisabledReason = PluginDisabledReason.ServiceIsDisabled;
}
else if (Service.Family.RunningPlugin != null)
{
_configDisabledReason = PluginDisabledReason.AnotherRunningPluginExistsInFamilyByConfig;
}
}
// Immediately check for Runnable references to Disabled Services: this disables us.
if (!Disabled)
{
foreach (var sRef in PluginInfo.ServiceReferences)
{
if (sRef.Requirement >= DependencyRequirement.Runnable)
{
// If the required service is already disabled, we immediately disable this plugin.
if (sRef.Reference.HasError && !Disabled)
{
_configDisabledReason = PluginDisabledReason.RunnableReferenceServiceIsOnError;
break;
}
ServiceData sr = _solver.FindExistingService(sRef.Reference.ServiceFullName);
if (sr.Disabled && !Disabled)
{
_configDisabledReason = PluginDisabledReason.RunnableReferenceIsDisabled;
break;
}
}
}
}
if (Service != null)
{
Service.AddPlugin(this);
}
if (!Disabled)
{
// If the plugin is not yet disabled, we register it:
// whenever the referenced service is disabled (or stopped during dynamic resolution), this
// will disable (or stop) the plugin according to its ConfigSolvedImpact.
foreach (var sRef in PluginInfo.ServiceReferences)
{
_solver.FindExistingService(sRef.Reference.ServiceFullName).RegisterPluginReference(this, sRef.Requirement);
}
if (Service != null && ConfigOriginalStatus == ConfigurationStatus.Running)
{
Service.Family.SetRunningPlugin(this);
}
}
}
public ServiceFamily( IConfigurationSolver solver, ServiceData root )
{
Solver = solver;
Root = root;
_availableServices = new HashSet<ServiceData>();
}
internal void UpdateFrom(IConfigurationSolver solver)
{
// 1 - Removes existing items from live info that do not exist anymore in the new running context.
// This raises Collection "item removed" events.
//
_services.RemoveWhereAndReturnsRemoved(s => solver.FindService(s.ServiceInfo.ServiceFullName) == null).Count();
_plugins.RemoveWhereAndReturnsRemoved(p => solver.FindPlugin(p.PluginInfo.PluginFullName) == null).Count();
DelayedPropertyNotification notifier = new DelayedPropertyNotification();
// 2 - Builds two lists of new Services and new Plugins and for already existing ones,
// updates them with the new information.
// This update does not trigger any ProprtyChanged events and consider only
// direct properties of the object.
// Changes to linked items (such as a Generalization reference for instance will be
// done later thanks to their Bind method.
//
List <LiveServiceInfo> servicesToAdd = new List <LiveServiceInfo>();
foreach (var s in solver.AllServices)
{
LiveServiceInfo ls = _services.GetByKey(s.ServiceInfo.ServiceFullName);
if (ls == null)
{
servicesToAdd.Add(new LiveServiceInfo(s, _engine));
}
else
{
ls.UpdateFrom(s, notifier);
}
}
List <LivePluginInfo> pluginsToAdd = new List <LivePluginInfo>();
foreach (var p in solver.AllPlugins)
{
LivePluginInfo lp = _plugins.GetByKey(p.PluginInfo.PluginFullName);
if (lp == null)
{
pluginsToAdd.Add(new LivePluginInfo(p, _engine));
}
else
{
lp.UpdateFrom(p, notifier);
}
}
// 3 - Intrinsic properties have been updated. We now consider the properties that reference other items.
//
Func <string, LiveServiceInfo> serviceFinder = name => _services.GetByKey(name) ?? servicesToAdd.First(ls => ls.ServiceInfo.ServiceFullName == name);
Func <string, LivePluginInfo> pluginFinder = id => _plugins.GetByKey(id) ?? pluginsToAdd.First(lp => lp.PluginInfo.PluginFullName == id);
using (notifier.SilentMode())
{
foreach (var ls in servicesToAdd)
{
ls.Bind(solver.FindExistingService(ls.ServiceInfo.ServiceFullName), serviceFinder, pluginFinder, notifier);
}
}
foreach (var ls in _services)
{
ls.Bind(solver.FindExistingService(ls.ServiceInfo.ServiceFullName), serviceFinder, pluginFinder, notifier);
}
using (notifier.SilentMode())
{
foreach (var lp in pluginsToAdd)
{
lp.Bind(solver.FindExistingPlugin(lp.PluginInfo.PluginFullName), serviceFinder, notifier);
}
}
foreach (var lp in _plugins)
{
lp.Bind(solver.FindExistingPlugin(lp.PluginInfo.PluginFullName), serviceFinder, notifier);
}
// 4 - It is time to add the new comers: this raises Collection changed "item added" events.
foreach (var ls in servicesToAdd)
{
_services.Add(ls);
}
foreach (var lp in pluginsToAdd)
{
_plugins.Add(lp);
}
// 5 - Raises all PropertyChanged events for all objects.
notifier.RaiseEvents();
}
internal PluginData( IConfigurationSolver solver, IPluginInfo p, ServiceData service, ConfigurationStatus pluginStatus, StartDependencyImpact impact = StartDependencyImpact.Unknown )
{
_solver = solver;
PluginInfo = p;
Service = service;
ConfigOriginalStatus = pluginStatus;
switch( pluginStatus )
{
case ConfigurationStatus.Disabled: _configSolvedStatus = SolvedConfigurationStatus.Disabled; break;
case ConfigurationStatus.Running: _configSolvedStatus = SolvedConfigurationStatus.Running; break;
default: _configSolvedStatus = SolvedConfigurationStatus.Runnable; break;
}
_configSolvedStatusReason = PluginRunningRequirementReason.Config;
RawConfigSolvedImpact = ConfigOriginalImpact = impact;
if( RawConfigSolvedImpact == StartDependencyImpact.Unknown && Service != null )
{
RawConfigSolvedImpact = Service.ConfigSolvedImpact;
}
_configSolvedImpact = RawConfigSolvedImpact;
if( _configSolvedImpact == StartDependencyImpact.Unknown || (_configSolvedImpact & StartDependencyImpact.IsTryOnly) != 0 )
{
_configSolvedImpact = StartDependencyImpact.Minimal;
}
if( ConfigOriginalStatus == ConfigurationStatus.Disabled )
{
_configDisabledReason = PluginDisabledReason.Config;
}
else if( p.HasError )
{
_configDisabledReason = PluginDisabledReason.PluginInfoHasError;
}
else if( Service != null )
{
if( Service.Disabled )
{
_configDisabledReason = PluginDisabledReason.ServiceIsDisabled;
}
else if( Service.Family.RunningPlugin != null )
{
_configDisabledReason = PluginDisabledReason.AnotherRunningPluginExistsInFamilyByConfig;
}
}
// Immediately check for Runnable references to Disabled Services: this disables us.
if( !Disabled )
{
foreach( var sRef in PluginInfo.ServiceReferences )
{
if( sRef.Requirement >= DependencyRequirement.Runnable )
{
// If the required service is already disabled, we immediately disable this plugin.
if( sRef.Reference.HasError && !Disabled )
{
_configDisabledReason = PluginDisabledReason.RunnableReferenceServiceIsOnError;
break;
}
ServiceData sr = _solver.FindExistingService( sRef.Reference.ServiceFullName );
if( sr.Disabled && !Disabled )
{
_configDisabledReason = PluginDisabledReason.RunnableReferenceIsDisabled;
break;
}
}
}
}
if( Service != null ) Service.AddPlugin( this );
if( !Disabled )
{
// If the plugin is not yet disabled, we register it:
// whenever the referenced service is disabled (or stopped during dynamic resolution), this
// will disable (or stop) the plugin according to its ConfigSolvedImpact.
foreach( var sRef in PluginInfo.ServiceReferences )
{
_solver.FindExistingService( sRef.Reference.ServiceFullName ).RegisterPluginReference( this, sRef.Requirement );
}
if( Service != null && ConfigOriginalStatus == ConfigurationStatus.Running )
{
Service.Family.SetRunningPlugin( this );
}
}
}
