/// <summary>
/// Loads all the assemblies found in the specified adapter package.
/// </summary>
/// <param name="packageIdentifierAndVersion">The request type package identifier + request adapter version.</param>
/// <returns></returns>
bool Load(string packageIdentifierAndVersion)
{
_appDomainName = packageIdentifierAndVersion;
_packagePath = Path.Combine(RootFolder, packageIdentifierAndVersion + ".zip");
log.Debug("Begin loading of " + _packagePath);
if (!File.Exists(_packagePath))
{
throw new FileNotFoundException("The file: " + packageIdentifierAndVersion + ".zip was not found in " + RootFolder + ".");
}
log.Debug("Creating plugin appdomain named: " + _appDomainName);
//create the appdomain, base directory should be set to the packages base directory which should have the assembly containing the proxy in it
AppDomainSetup setupInfo = new AppDomainSetup();
setupInfo.ApplicationBase = RootFolder;
setupInfo.ApplicationName = _appDomainName;
setupInfo.ConfigurationFile = AppDomain.CurrentDomain.SetupInformation.ConfigurationFile;
_appDomain = AppDomain.CreateDomain(packageIdentifierAndVersion, AppDomain.CurrentDomain.Evidence, setupInfo);
log.Debug("Finished creating AppDomain: " + packageIdentifierAndVersion);
try
{
log4net.Repository.Hierarchy.Hierarchy hierachy = (log4net.Repository.Hierarchy.Hierarchy)LogManager.GetRepository();
log.Debug("Creating domain proxy for AppDomain: " + _appDomainName);
//create the domain proxy
Type proxyType = typeof(AssemblyLoadProxy);
_loadProxy = (AssemblyLoadProxy)_appDomain.CreateInstanceFrom(proxyType.Assembly.Location, proxyType.FullName).Unwrap();
_loadProxySponsor = new LifetimeSponsor(_loadProxy);
//load the domain proxy with the assemblies for the package
log.Debug("Loading the package: " + _packagePath + " into the AppDomain: " + _appDomainName);
_loadProxy.LoadPackage(_packagePath);
log.Debug("Initializing cross-domain logging for AppDomain: " + _appDomainName);
_loadProxy.InitializeLogging(new Logging.CrossDomainParentAppender(), hierachy.Threshold);
}
catch (Exception ex)
{
log.Error("An error occurred initializing the domain proxy for AppDomain: " + _appDomainName, ex);
return(false);
}
return(true);
}
protected virtual void Dispose(bool disposing)
{
if (disposing)
{
log.Debug("Begin dispose of AppDomain: " + _appDomainName);
if (Sponsors.Count > 0)
{
log.Debug("Cleaning up cross-domain lifetime sponsors for AppDomain: " + _appDomainName);
foreach (LifetimeSponsor sponsor in Sponsors)
{
sponsor.Dispose();
}
}
if (_loadProxy != null)
{
log.Debug("Closing domain proxy for AppDomain: " + _appDomainName);
try
{
_loadProxy.Close();
System.Runtime.Remoting.RemotingServices.Disconnect(_loadProxy);
}
catch { }
_loadProxy = null;
}
if (_loadProxySponsor != null)
{
_loadProxySponsor.Dispose();
_loadProxySponsor = null;
}
if (_appDomain != null)
{
log.Debug("Unloading AppDomain: " + _appDomainName);
AppDomain.Unload(_appDomain);
}
}
}
