private void startService(string service, string entryPoint, string[] args)
{
_m.Lock();
try
{
//
// Extract the assembly name and the class name.
//
string err = "ServiceManager: unable to load service '" + entryPoint + "': ";
int sepPos = entryPoint.IndexOf(':');
if (sepPos != -1 && IceInternal.AssemblyUtil.platform_ == IceInternal.AssemblyUtil.Platform.Windows)
{
const string driveLetters = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";
if (entryPoint.Length > 3 &&
sepPos == 1 &&
driveLetters.IndexOf(entryPoint[0]) != -1 &&
(entryPoint[2] == '\\' || entryPoint[2] == '/'))
{
sepPos = entryPoint.IndexOf(':', 3);
}
}
if (sepPos == -1)
{
FailureException e = new FailureException();
e.reason = err + "invalid entry point format";
throw e;
}
System.Reflection.Assembly serviceAssembly = null;
string assemblyName = entryPoint.Substring(0, sepPos);
string className = entryPoint.Substring(sepPos + 1);
try
{
//
// First try to load the assembly using Assembly.Load, which will succeed
// if a fully-qualified name is provided or if a partial name has been qualified
// in configuration. If that fails, try Assembly.LoadFrom(), which will succeed
// if a file name is configured or a partial name is configured and DEVPATH is used.
//
try
{
serviceAssembly = System.Reflection.Assembly.Load(assemblyName);
}
catch (System.IO.IOException ex)
{
try
{
serviceAssembly = System.Reflection.Assembly.LoadFrom(assemblyName);
}
catch (System.IO.IOException)
{
throw ex;
}
}
}
catch (System.Exception ex)
{
FailureException e = new FailureException(ex);
e.reason = err + "unable to load assembly: " + assemblyName;
throw e;
}
//
// Instantiate the class.
//
System.Type c = null;
try
{
c = serviceAssembly.GetType(className, true);
}
catch (System.Exception ex)
{
FailureException e = new FailureException(ex);
e.reason = err + "GetType failed for '" + className + "'";
throw e;
}
ServiceInfo info = new ServiceInfo();
info.name = service;
info.status = ServiceStatus.Stopped;
info.args = args;
//
// If IceBox.UseSharedCommunicator.<name> is defined, create a
// communicator for the service. The communicator inherits
// from the shared communicator properties. If it's not
// defined, add the service properties to the shared
// commnunicator property set.
//
Ice.Communicator communicator;
IceInternal.MetricsAdminI metricsAdmin = null;
if (_communicator.getProperties().getPropertyAsInt("IceBox.UseSharedCommunicator." + service) > 0)
{
Debug.Assert(_sharedCommunicator != null);
communicator = _sharedCommunicator;
if (communicator.getObserver() is IceInternal.CommunicatorObserverI)
{
IceInternal.CommunicatorObserverI o = (IceInternal.CommunicatorObserverI)communicator.getObserver();
metricsAdmin = o.getMetricsAdmin();
}
}
else
{
//
// Create the service properties. We use the communicator properties as the default
// properties if IceBox.InheritProperties is set.
//
Ice.InitializationData initData = new Ice.InitializationData();
initData.properties = createServiceProperties(service);
if (info.args.Length > 0)
{
//
// Create the service properties with the given service arguments. This should
// read the service config file if it's specified with --Ice.Config.
//
initData.properties = Ice.Util.createProperties(ref info.args, initData.properties);
//
// Next, parse the service "<service>.*" command line options (the Ice command
// line options were parsed by the createProperties above)
//
info.args = initData.properties.parseCommandLineOptions(service, info.args);
}
//
// Clone the logger to assign a new prefix. If one of the built-in loggers is configured
// don't set any logger.
//
if (initData.properties.getProperty("Ice.LogFile").Length == 0 &&
(initData.properties.getPropertyAsInt("Ice.UseSyslog") == 0 ||
IceInternal.AssemblyUtil.platform_ == IceInternal.AssemblyUtil.Platform.Windows))
{
initData.logger = _logger.cloneWithPrefix(initData.properties.getProperty("Ice.ProgramName"));
}
//
// If Ice metrics are enabled on the IceBox communicator, we also enable them on
// the service communicator.
//
if (_communicator.getObserver() is IceInternal.CommunicatorObserverI)
{
metricsAdmin = new IceInternal.MetricsAdminI(initData.properties, initData.logger);
initData.observer = new IceInternal.CommunicatorObserverI(metricsAdmin);
}
//
// Remaining command line options are passed to the communicator. This is
// necessary for Ice plug-in properties (e.g.: IceSSL).
//
info.communicator = Ice.Util.initialize(ref info.args, initData);
communicator = info.communicator;
//
// Ensure the metrics admin plugin uses the same property set as the
// communicator. This is necessary to correctly deal with runtime
// property updates.
//
if (metricsAdmin != null)
{
metricsAdmin.setProperties(communicator.getProperties());
}
}
try
{
//
// Add a PropertiesAdmin facet to the service manager's communicator that provides
// access to this service's property set. We do this prior to instantiating the
// service so that the service's constructor is able to access the facet (e.g.,
// in case it wants to set a callback).
//
string facetName = "IceBox.Service." + info.name + ".Properties";
IceInternal.PropertiesAdminI propAdmin = new IceInternal.PropertiesAdminI(facetName,
communicator.getProperties(),
communicator.getLogger());
_communicator.addAdminFacet(propAdmin, facetName);
//
// If a metrics admin facet is setup for the service, register
// it with the IceBox communicator.
//
if (metricsAdmin != null)
{
_communicator.addAdminFacet(metricsAdmin, "IceBox.Service." + info.name + ".Metrics");
// Ensure the metrics admin facet is notified of property updates.
propAdmin.addUpdateCallback(metricsAdmin);
}
//
// Instantiate the service.
//
try
{
//
// If the service class provides a constructor that accepts an Ice.Communicator argument,
// use that in preference to the default constructor.
//
Type[] parameterTypes = new Type[1];
parameterTypes[0] = typeof(Ice.Communicator);
System.Reflection.ConstructorInfo ci = c.GetConstructor(parameterTypes);
if (ci != null)
{
try
{
Object[] parameters = new Object[1];
parameters[0] = _communicator;
info.service = (Service)ci.Invoke(parameters);
}
catch (System.MethodAccessException ex)
{
FailureException e = new FailureException(ex);
e.reason = err + "unable to access service constructor " + className + "(Ice.Communicator)";
throw e;
}
}
else
{
//
// Fall back to the default constructor.
//
try
{
info.service = (Service)IceInternal.AssemblyUtil.createInstance(c);
if (info.service == null)
{
FailureException e = new FailureException();
e.reason = err + "no default constructor for '" + className + "'";
throw e;
}
}
catch (System.UnauthorizedAccessException ex)
{
FailureException e = new FailureException(ex);
e.reason = err + "unauthorized access to default service constructor for " + className;
throw e;
}
}
}
catch (FailureException)
{
throw;
}
catch (System.InvalidCastException ex)
{
FailureException e = new FailureException(ex);
e.reason = err + "service does not implement IceBox.Service";
throw e;
}
catch (System.Reflection.TargetInvocationException ex)
{
if (ex.InnerException is IceBox.FailureException)
{
throw ex.InnerException;
}
else
{
FailureException e = new FailureException(ex.InnerException);
e.reason = err + "exception in service constructor for " + className;
throw e;
}
}
catch (System.Exception ex)
{
FailureException e = new FailureException(ex);
e.reason = err + "exception in service constructor " + className;
throw e;
}
try
{
info.service.start(service, communicator, info.args);
}
catch (FailureException)
{
throw;
}
catch (System.Exception ex)
{
FailureException e = new FailureException(ex);
e.reason = "exception while starting service " + service;
throw e;
}
info.status = ServiceStatus.Started;
_services.Add(info);
}
catch (Ice.ObjectAdapterDeactivatedException)
{
//
// Can be raised by addAdminFacet if the service manager communicator has been shut down.
//
if (info.communicator != null)
{
destroyServiceCommunicator(service, info.communicator);
}
}
catch (System.Exception ex)
{
try
{
_communicator.removeAdminFacet("IceBox.Service." + service + ".Properties");
}
catch (Ice.LocalException)
{
// Ignored
}
if (info.communicator != null)
{
destroyServiceCommunicator(service, info.communicator);
}
throw ex;
}
}
finally
{
_m.Unlock();
}
}
private void startService(string service, string entryPoint, string[] args)
{
_m.Lock();
try
{
//
// Extract the assembly name and the class name.
//
string err = "ServiceManager: unable to load service '" + entryPoint + "': ";
int sepPos = entryPoint.IndexOf(':');
if(sepPos != -1 && IceInternal.AssemblyUtil.platform_ == IceInternal.AssemblyUtil.Platform.Windows)
{
const string driveLetters = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";
if(entryPoint.Length > 3 &&
sepPos == 1 &&
driveLetters.IndexOf(entryPoint[0]) != -1 &&
(entryPoint[2] == '\\' || entryPoint[2] == '/'))
{
sepPos = entryPoint.IndexOf(':', 3);
}
}
if(sepPos == -1)
{
FailureException e = new FailureException();
e.reason = err + "invalid entry point format";
throw e;
}
System.Reflection.Assembly serviceAssembly = null;
string assemblyName = entryPoint.Substring(0, sepPos);
string className = entryPoint.Substring(sepPos + 1);
try
{
//
// First try to load the assembly using Assembly.Load, which will succeed
// if a fully-qualified name is provided or if a partial name has been qualified
// in configuration. If that fails, try Assembly.LoadFrom(), which will succeed
// if a file name is configured or a partial name is configured and DEVPATH is used.
//
try
{
serviceAssembly = System.Reflection.Assembly.Load(assemblyName);
}
catch(System.IO.IOException ex)
{
try
{
serviceAssembly = System.Reflection.Assembly.LoadFrom(assemblyName);
}
catch(System.IO.IOException)
{
throw ex;
}
}
}
catch(System.Exception ex)
{
FailureException e = new FailureException(ex);
e.reason = err + "unable to load assembly: " + assemblyName;
throw e;
}
//
// Instantiate the class.
//
System.Type c = null;
try
{
c = serviceAssembly.GetType(className, true);
}
catch(System.Exception ex)
{
FailureException e = new FailureException(ex);
e.reason = err + "GetType failed for '" + className + "'";
throw e;
}
ServiceInfo info = new ServiceInfo();
info.name = service;
info.status = ServiceStatus.Stopped;
info.args = args;
//
// If IceBox.UseSharedCommunicator.<name> is defined, create a
// communicator for the service. The communicator inherits
// from the shared communicator properties. If it's not
// defined, add the service properties to the shared
// commnunicator property set.
//
Ice.Communicator communicator;
IceInternal.MetricsAdminI metricsAdmin = null;
if(_communicator.getProperties().getPropertyAsInt("IceBox.UseSharedCommunicator." + service) > 0)
{
Debug.Assert(_sharedCommunicator != null);
communicator = _sharedCommunicator;
if(communicator.getObserver() is IceInternal.CommunicatorObserverI)
{
IceInternal.CommunicatorObserverI o = (IceInternal.CommunicatorObserverI)communicator.getObserver();
metricsAdmin = o.getMetricsAdmin();
}
}
else
{
//
// Create the service properties. We use the communicator properties as the default
// properties if IceBox.InheritProperties is set.
//
Ice.InitializationData initData = new Ice.InitializationData();
initData.properties = createServiceProperties(service);
if(info.args.Length > 0)
{
//
// Create the service properties with the given service arguments. This should
// read the service config file if it's specified with --Ice.Config.
//
initData.properties = Ice.Util.createProperties(ref info.args, initData.properties);
//
// Next, parse the service "<service>.*" command line options (the Ice command
// line options were parsed by the createProperties above)
//
info.args = initData.properties.parseCommandLineOptions(service, info.args);
}
//
// Clone the logger to assign a new prefix. If one of the built-in loggers is configured
// don't set any logger.
//
if(initData.properties.getProperty("Ice.LogFile").Length == 0 &&
(initData.properties.getPropertyAsInt("Ice.UseSyslog") == 0 ||
IceInternal.AssemblyUtil.platform_ == IceInternal.AssemblyUtil.Platform.Windows))
{
initData.logger = _logger.cloneWithPrefix(initData.properties.getProperty("Ice.ProgramName"));
}
//
// If Ice metrics are enabled on the IceBox communicator, we also enable them on
// the service communicator.
//
if(_communicator.getObserver() is IceInternal.CommunicatorObserverI)
{
metricsAdmin = new IceInternal.MetricsAdminI(initData.properties, initData.logger);
initData.observer = new IceInternal.CommunicatorObserverI(metricsAdmin);
}
//
// Remaining command line options are passed to the communicator. This is
// necessary for Ice plug-in properties (e.g.: IceSSL).
//
info.communicator = Ice.Util.initialize(ref info.args, initData);
communicator = info.communicator;
//
// Ensure the metrics admin plugin uses the same property set as the
// communicator. This is necessary to correctly deal with runtime
// property updates.
//
if(metricsAdmin != null)
{
metricsAdmin.setProperties(communicator.getProperties());
}
}
try
{
//
// Add a PropertiesAdmin facet to the service manager's communicator that provides
// access to this service's property set. We do this prior to instantiating the
// service so that the service's constructor is able to access the facet (e.g.,
// in case it wants to set a callback).
//
string facetName = "IceBox.Service." + info.name + ".Properties";
IceInternal.PropertiesAdminI propAdmin = new IceInternal.PropertiesAdminI(facetName,
communicator.getProperties(),
communicator.getLogger());
_communicator.addAdminFacet(propAdmin, facetName);
//
// If a metrics admin facet is setup for the service, register
// it with the IceBox communicator.
//
if(metricsAdmin != null)
{
_communicator.addAdminFacet(metricsAdmin, "IceBox.Service." + info.name + ".Metrics");
// Ensure the metrics admin facet is notified of property updates.
propAdmin.addUpdateCallback(metricsAdmin);
}
//
// Instantiate the service.
//
try
{
//
// If the service class provides a constructor that accepts an Ice.Communicator argument,
// use that in preference to the default constructor.
//
Type[] parameterTypes = new Type[1];
parameterTypes[0] = typeof(Ice.Communicator);
System.Reflection.ConstructorInfo ci = c.GetConstructor(parameterTypes);
if(ci != null)
{
try
{
Object[] parameters = new Object[1];
parameters[0] = _communicator;
info.service = (Service)ci.Invoke(parameters);
}
catch(System.MethodAccessException ex)
{
FailureException e = new FailureException(ex);
e.reason = err + "unable to access service constructor " + className + "(Ice.Communicator)";
throw e;
}
}
else
{
//
// Fall back to the default constructor.
//
try
{
info.service = (Service)IceInternal.AssemblyUtil.createInstance(c);
if(info.service == null)
{
FailureException e = new FailureException();
e.reason = err + "no default constructor for '" + className + "'";
throw e;
}
}
catch(System.UnauthorizedAccessException ex)
{
FailureException e = new FailureException(ex);
e.reason = err + "unauthorized access to default service constructor for " + className;
throw e;
}
}
}
catch(FailureException)
{
throw;
}
catch(System.InvalidCastException ex)
{
FailureException e = new FailureException(ex);
e.reason = err + "service does not implement IceBox.Service";
throw e;
}
catch(System.Reflection.TargetInvocationException ex)
{
if(ex.InnerException is IceBox.FailureException)
{
throw ex.InnerException;
}
else
{
FailureException e = new FailureException(ex.InnerException);
e.reason = err + "exception in service constructor for " + className;
throw e;
}
}
catch(System.Exception ex)
{
FailureException e = new FailureException(ex);
e.reason = err + "exception in service constructor " + className;
throw e;
}
try
{
info.service.start(service, communicator, info.args);
}
catch(FailureException)
{
throw;
}
catch(System.Exception ex)
{
FailureException e = new FailureException(ex);
e.reason = "exception while starting service " + service;
throw e;
}
info.status = ServiceStatus.Started;
_services.Add(info);
}
catch(Ice.ObjectAdapterDeactivatedException)
{
//
// Can be raised by addAdminFacet if the service manager communicator has been shut down.
//
if(info.communicator != null)
{
destroyServiceCommunicator(service, info.communicator);
}
}
catch(System.Exception ex)
{
try
{
_communicator.removeAdminFacet("IceBox.Service." + service + ".Properties");
}
catch(Ice.LocalException)
{
// Ignored
}
if(info.communicator != null)
{
destroyServiceCommunicator(service, info.communicator);
}
throw ex;
}
}
finally
{
_m.Unlock();
}
}
