internal void Init(ServiceExecutionHost host, ServiceEnvironmentConfiguration envConfig, ServiceConfiguration config, SchedulingInfo schedulingInfo, Guid instanceID, Guid parentInstanceID)
{
Host = host;
this.Environment = new ServiceEnvironment(envConfig);
this.InstanceID = instanceID;
this.Configuration = config;
this.SchedulingInfo = schedulingInfo;
if (parentInstanceID != Guid.Empty)
{
this.ParentInstance = Environment.GetServiceInstance(parentInstanceID);
}
Current = this;
// Monitor app domain-level events
AppDomain.CurrentDomain.UnhandledException += new UnhandledExceptionEventHandler(this.DomainUnhandledException);
AppDomain.CurrentDomain.DomainUnload += new EventHandler(this.DomainUnload);
StateInfo.TimeInitialized = DateTime.Now;
StateInfo.State = ServiceState.Ready;
NotifyState();
}
protected ServiceInstance NewChildService(ServiceConfiguration child)
{
return(Environment.NewServiceInstance(child, ServiceInstance.FromService(this)));
}
protected virtual void CopyConfigurationData(ServiceConfiguration sourceConfig, ServiceConfiguration targetConfig)
{
}
internal ServiceConfiguration Derive(ServiceConfigurationLevel newLevel, object parent)
{
if (this.ConfigurationLevel == ServiceConfigurationLevel.Instance)
{
throw new ServiceConfigurationException("Cannot derive from an instance configuration.");
}
ServiceConfiguration config;
try { config = (ServiceConfiguration)Activator.CreateInstance(this.GetType()); }
catch (MissingMethodException) { throw new MissingMethodException("Sub-types of ServiceConfiguration require a parameterless constructor."); }
// Inherit from parent
config.BaseConfiguration = this;
config._isEnabled = true;
config._isPublic = this._isPublic;
config._assemblyPath = this._assemblyPath;
config._serviceType = this._serviceType;
config._serviceName = this._serviceName;
config._hostName = this._hostName;
this.Limits.CopyTo(config.Limits);
CopyConfigurationData(this, config);
// Merge parameters
foreach (var param in this.Parameters)
{
config.Parameters[param.Key] = param.Value;
}
// Associate with profile
ServiceProfile profile = parent as ServiceProfile;
if (this.Profile != null)
{
if (profile == null)
{
profile = this.Profile;
}
else if (profile != this.Profile)
{
// This should never happen because it is checked by ServiceProfile.DeriveConfiguration()
throw new ServiceConfigurationException("Profile mismatch - internal Derive should not be called this way");
}
}
if (profile != null)
{
config.Profile = profile;
config.ConfigurationLevel = ServiceConfigurationLevel.Profile;
// Deriving from a new profile, so merge parameters (if this.Profile is not null, parameters were already merged in a previous Derive())
if (this.Profile == null)
{
foreach (var param in profile.Parameters)
{
config.Parameters[param.Key] = param.Value;
}
}
}
else
{
config.ConfigurationLevel = newLevel;
}
// Get scheduling rules only if this one is empty
foreach (SchedulingRule rule in this.SchedulingRules)
{
config.SchedulingRules.Add(rule.Clone());
}
// Parameter inheritance from parent service configuration
ServiceConfiguration parentInstanceConfig = parent as ServiceConfiguration;
if (parentInstanceConfig != null)
{
// Ignore parameters that are already in the config
foreach (var param in parentInstanceConfig.Parameters)
{
if (!config.Parameters.ContainsKey(param.Key))
{
config.Parameters[param.Key] = param.Value;
}
}
}
return(config);
}
internal ServiceInstance NewServiceInstance(ServiceConfiguration configuration, ServiceInstance parent)
{
return(new ServiceInstance(configuration, this, parent));
}
public ServiceInstance NewServiceInstance(ServiceConfiguration configuration)
{
return(NewServiceInstance(configuration, null));
}
