private void StopServices(ITaskContext context, bool reset)
{
if (this.State == ServiceManagerState.Started || this.State == ServiceManagerState.InitOrStartFailed)
{
context.ProgressSetup(0, m_services.Count, null);
List <IService> reversed = new List <IService>(m_services);
reversed.Reverse();
long i = 0;
bool fails = false;
foreach (var s in reversed)
{
if (s.State == ServiceState.Started)
{
try
{
context.UpdateStatus("Stopping service " + s.Name, i);
s.Stop(this, context);
}
catch (Exception)
{
fails = true;
}
}
i++;
}
if (fails)
{
context.UpdateStatus("Failed stopping all services", m_services.Count);
if (this.State != ServiceManagerState.InitOrStartFailed) // If start failed, keep that state
{
this.State = ServiceManagerState.StopFailed;
}
throw new Exception("Failed starting services. Some dependencies are missing.");
}
else
{
context.UpdateStatus("Stopped all services", m_services.Count);
if (this.State != ServiceManagerState.InitOrStartFailed) // If start failed, keep that state
{
this.State = ServiceManagerState.Stopped;
}
}
}
else
{
context.UpdateStatus($"Failed to stop, because manager is in '{this.State}' state.", 0);
}
if (reset)
{
m_services = new List <IService>();
g_manager = null;
this.State = ServiceManagerState.Initial;
}
}
private void StartServices(ITaskContext context)
{
if (this.State == ServiceManagerState.Initial)
{
this.State = ServiceManagerState.Starting;
if (this.ListUnregisteredDependencies().Any())
{
string failed = String.Join(", ", this.ListUnregisteredDependencies().Select(t => t.Name));
string message = $"Failed starting services. Some dependencies are missing ({failed}).";
context.UpdateStatus(message, 0);
this.State = ServiceManagerState.InitOrStartFailed;
throw new Exception(message);
}
context.ProgressSetup(0, m_services.Count * 2, null);
long i = 0;
foreach (var s in m_services)
{
try
{
context.UpdateStatus("Initializing service " + s.Name, i);
s.Initialize(this, context);
}
catch (Exception ex)
{
context.UpdateStatus("Failed initializing service " + s.Name, i);
this.State = ServiceManagerState.InitOrStartFailed;
throw new Exception("Failed initializing service " + s.Name, ex);
}
i++;
}
foreach (var s in m_services)
{
try
{
context.UpdateStatus("Starting service " + s.Name, i);
s.Start(this, context);
}
catch (Exception ex)
{
context.UpdateStatus("Failed starting service " + s.Name, i);
this.State = ServiceManagerState.InitOrStartFailed;
throw new Exception("Failed starting service " + s.Name, ex);
}
i++;
}
context.UpdateStatus("Started all services", m_services.Count * 2);
this.State = ServiceManagerState.Started;
}
else
{
context.UpdateStatus($"Failed to start, because manager is in state '{this.State}'.", 0);
throw new Exception("Failed starting services. Some dependencies are missing.");
}
}
