private void loadPlugin(string name, string pluginSpec, ref string[] cmdArgs)
{
Debug.Assert(_communicator != null);
string[] args = null;
string entryPoint = null;
if (pluginSpec.Length > 0)
{
//
// Split the entire property value into arguments. An entry point containing spaces
// must be enclosed in quotes.
//
try
{
args = IceUtilInternal.Options.split(pluginSpec);
}
catch (IceUtilInternal.Options.BadQuote ex)
{
PluginInitializationException e = new PluginInitializationException();
e.reason = "invalid arguments for plug-in `" + name + "':\n" + ex.Message;
throw e;
}
Debug.Assert(args.Length > 0);
entryPoint = args[0];
//
// Shift the arguments.
//
string[] tmp = new string[args.Length - 1];
Array.Copy(args, 1, tmp, 0, args.Length - 1);
args = tmp;
//
// Convert command-line options into properties. First
// we convert the options from the plug-in
// configuration, then we convert the options from the
// application command-line.
//
Properties properties = _communicator.getProperties();
args = properties.parseCommandLineOptions(name, args);
cmdArgs = properties.parseCommandLineOptions(name, cmdArgs);
}
string err = "unable to load plug-in `" + entryPoint + "': ";
//
// Always check the static plugin factory table first, it takes
// precedence over the the entryPoint specified in the plugin
// property value.
//
PluginFactory pluginFactory = null;
if (!_factories.TryGetValue(name, out pluginFactory))
{
//
// Extract the assembly name and the class name.
//
int sepPos = entryPoint.IndexOf(':');
if (sepPos != -1)
{
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)
{
PluginInitializationException e = new PluginInitializationException();
e.reason = err + "invalid entry point format";
throw e;
}
System.Reflection.Assembly pluginAssembly = 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.
//
// We catch System.Exception as this can fail with System.ArgumentNullException
// or System.IO.IOException depending of the .NET framework and platform.
//
try
{
pluginAssembly = System.Reflection.Assembly.Load(assemblyName);
}
catch (System.Exception ex)
{
try
{
pluginAssembly = System.Reflection.Assembly.LoadFrom(assemblyName);
}
catch (System.IO.IOException)
{
#pragma warning disable CA2200 // Rethrow to preserve stack details
throw ex;
#pragma warning restore CA2200 // Rethrow to preserve stack details
}
}
}
catch (System.Exception ex)
{
PluginInitializationException e = new PluginInitializationException();
e.reason = err + "unable to load assembly: `" + assemblyName + "': " + ex.ToString();
throw e;
}
//
// Instantiate the class.
//
System.Type c = null;
try
{
c = pluginAssembly.GetType(className, true);
}
catch (System.Exception ex)
{
PluginInitializationException e = new PluginInitializationException(ex);
e.reason = err + "GetType failed for `" + className + "'";
throw e;
}
try
{
pluginFactory = (PluginFactory)IceInternal.AssemblyUtil.createInstance(c);
if (pluginFactory == null)
{
PluginInitializationException e = new PluginInitializationException();
e.reason = err + "can't find constructor for `" + className + "'";
throw e;
}
}
catch (InvalidCastException ex)
{
PluginInitializationException e = new PluginInitializationException(ex);
e.reason = err + "InvalidCastException to Ice.PluginFactory";
throw e;
}
catch (UnauthorizedAccessException ex)
{
PluginInitializationException e = new PluginInitializationException(ex);
e.reason = err + "UnauthorizedAccessException: " + ex.ToString();
throw e;
}
catch (System.Exception ex)
{
PluginInitializationException e = new PluginInitializationException(ex);
e.reason = err + "System.Exception: " + ex.ToString();
throw e;
}
}
Plugin plugin = null;
try
{
plugin = pluginFactory.create(_communicator, name, args);
}
catch (PluginInitializationException ex)
{
ex.reason = err + ex.reason;
throw;
}
catch (System.Exception ex)
{
PluginInitializationException e = new PluginInitializationException(ex);
e.reason = err + "System.Exception in factory.create: " + ex.ToString();
throw e;
}
if (plugin == null)
{
PluginInitializationException ex = new PluginInitializationException();
ex.reason = err + "factory.create returned null plug-in";
throw ex;
}
PluginInfo info = new PluginInfo();
info.name = name;
info.plugin = plugin;
_plugins.Add(info);
}
private void loadPlugin(string name, string pluginSpec, ref string[] cmdArgs)
{
Debug.Assert(_communicator != null);
//
// Split the entire property value into arguments. An entry point containing spaces
// must be enclosed in quotes.
//
string[] args = null;
try
{
args = IceUtilInternal.Options.split(pluginSpec);
}
catch (IceUtilInternal.Options.BadQuote ex)
{
PluginInitializationException e = new PluginInitializationException();
e.reason = "invalid arguments for plug-in `" + name + "':\n" + ex.Message;
throw e;
}
Debug.Assert(args.Length > 0);
string entryPoint = args[0];
//
// Shift the arguments.
//
string[] tmp = new string[args.Length - 1];
Array.Copy(args, 1, tmp, 0, args.Length - 1);
args = tmp;
//
// Convert command-line options into properties. First
// we convert the options from the plug-in
// configuration, then we convert the options from the
// application command-line.
//
Properties properties = _communicator.getProperties();
args = properties.parseCommandLineOptions(name, args);
cmdArgs = properties.parseCommandLineOptions(name, cmdArgs);
//
// Extract the assembly name and the class name.
//
string err = "unable to load plug-in `" + 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)
{
PluginInitializationException e = new PluginInitializationException();
e.reason = err + "invalid entry point format";
throw e;
}
System.Reflection.Assembly pluginAssembly = 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
{
pluginAssembly = System.Reflection.Assembly.Load(assemblyName);
}
catch (System.IO.IOException ex)
{
try
{
pluginAssembly = System.Reflection.Assembly.LoadFrom(assemblyName);
}
catch (System.IO.IOException)
{
throw ex;
}
}
}
catch (System.Exception ex)
{
#if COMPACT
//
// IceSSL is not supported with the Compact Framework.
//
if (name == "IceSSL")
{
if (!_sslWarnOnce)
{
_communicator.getLogger().warning(
"IceSSL plug-in not loaded: IceSSL is not supported with the .NET Compact Framework");
_sslWarnOnce = true;
}
return;
}
#else
//
// IceSSL is not yet supported with Mono. We avoid throwing an exception in that case,
// so the same configuration can be used with Mono or Visual C#.
//
if (IceInternal.AssemblyUtil.runtime_ == IceInternal.AssemblyUtil.Runtime.Mono && name == "IceSSL")
{
if (!_sslWarnOnce)
{
_communicator.getLogger().warning(
"IceSSL plug-in not loaded: IceSSL is not supported with Mono");
_sslWarnOnce = true;
}
return;
}
#endif
PluginInitializationException e = new PluginInitializationException();
e.reason = err + "unable to load assembly: `" + assemblyName + "': " + ex.ToString();
throw e;
}
//
// Instantiate the class.
//
PluginFactory pluginFactory = null;
System.Type c = null;
try
{
c = pluginAssembly.GetType(className, true);
}
catch (System.Exception ex)
{
PluginInitializationException e = new PluginInitializationException(ex);
e.reason = err + "GetType failed for `" + className + "'";
throw e;
}
try
{
pluginFactory = (PluginFactory)IceInternal.AssemblyUtil.createInstance(c);
if (pluginFactory == null)
{
PluginInitializationException e = new PluginInitializationException();
e.reason = err + "can't find constructor for `" + className + "'";
throw e;
}
}
catch (System.InvalidCastException ex)
{
PluginInitializationException e = new PluginInitializationException(ex);
e.reason = err + "InvalidCastException to Ice.PluginFactory";
throw e;
}
catch (System.UnauthorizedAccessException ex)
{
PluginInitializationException e = new PluginInitializationException(ex);
e.reason = err + "UnauthorizedAccessException: " + ex.ToString();
throw e;
}
catch (System.Exception ex)
{
PluginInitializationException e = new PluginInitializationException(ex);
e.reason = err + "System.Exception: " + ex.ToString();
throw e;
}
Plugin plugin = null;
try
{
plugin = pluginFactory.create(_communicator, name, args);
}
catch (PluginInitializationException ex)
{
ex.reason = err + ex.reason;
throw ex;
}
catch (System.Exception ex)
{
PluginInitializationException e = new PluginInitializationException(ex);
e.reason = err + "System.Exception in factory.create: " + ex.ToString();
throw e;
}
if (plugin == null)
{
PluginInitializationException ex = new PluginInitializationException();
ex.reason = err + "factory.create returned null plug-in";
throw ex;
}
PluginInfo info = new PluginInfo();
info.name = name;
info.plugin = plugin;
_plugins.Add(info);
}
