Mantis#1647. Thank you very much, Sempuki for a patch that:
Updates the previous module loader work.0.6.0-stable
Charles Krinke
parent
ce5122ebf3
commit
23ec21e44a
|
|
@ -61,4 +61,20 @@ namespace OpenSim.Framework
|
|||
/// </summary>
|
||||
void Initialise();
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Any plugins which need to pass parameters to their initialisers must
|
||||
/// inherit this class and use it to set the PluginLoader Initialiser property
|
||||
/// </summary>
|
||||
public class PluginInitialiserBase
|
||||
{
|
||||
// this would be a lot simpler if C# supported currying or typedefs
|
||||
|
||||
// default initialisation
|
||||
public virtual void Initialise (IPlugin plugin)
|
||||
{
|
||||
plugin.Initialise();
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
|
|
|
|||
|
|
@ -37,11 +37,21 @@ namespace OpenSim.Framework
|
|||
/// <summary>
|
||||
/// Exception thrown if an incorrect number of plugins are loaded
|
||||
/// </summary>
|
||||
public class PluginCountInvalidException : Exception
|
||||
public class PluginConstraintViolatedException : Exception
|
||||
{
|
||||
public PluginCountInvalidException () : base() {}
|
||||
public PluginCountInvalidException (string msg) : base(msg) {}
|
||||
public PluginCountInvalidException (string msg, Exception e) : base(msg, e) {}
|
||||
public PluginConstraintViolatedException () : base() {}
|
||||
public PluginConstraintViolatedException (string msg) : base(msg) {}
|
||||
public PluginConstraintViolatedException (string msg, Exception e) : base(msg, e) {}
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Classes wishing to impose constraints on plugin loading must implement
|
||||
/// this class and pass it to PluginLoader AddConstraint()
|
||||
/// </summary>
|
||||
public interface IPluginConstraint
|
||||
{
|
||||
bool Fail (string extpoint);
|
||||
string Message { get; }
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
|
|
@ -49,26 +59,42 @@ namespace OpenSim.Framework
|
|||
/// </summary>
|
||||
public class PluginLoader <T> : IDisposable where T : IPlugin
|
||||
{
|
||||
private struct Range
|
||||
{
|
||||
public int min;
|
||||
public int max;
|
||||
public Range (int n, int x) { min=n; max=x; }
|
||||
}
|
||||
|
||||
private const int max_loadable_plugins = 10000;
|
||||
|
||||
private static readonly ILog log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
|
||||
private List<T> loaded = new List<T>();
|
||||
private List<string> extpoints = new List<string>();
|
||||
private Dictionary<string,Range> constraints = new Dictionary<string,Range>();
|
||||
private PluginInitialiserBase initialiser;
|
||||
private Dictionary<string,IPluginConstraint> constraints
|
||||
= new Dictionary<string,IPluginConstraint>();
|
||||
|
||||
public delegate void Initialiser (IPlugin p);
|
||||
private void default_initialiser_ (IPlugin p) { p.Initialise(); }
|
||||
private static readonly ILog log
|
||||
= LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
|
||||
|
||||
public PluginLoader (string dir)
|
||||
public PluginInitialiserBase Initialiser
|
||||
{
|
||||
AddPluginDir (dir);
|
||||
set { initialiser = value; }
|
||||
get { return initialiser; }
|
||||
}
|
||||
|
||||
public List<T> Plugins
|
||||
{
|
||||
get { return loaded; }
|
||||
}
|
||||
|
||||
public PluginLoader ()
|
||||
{
|
||||
Initialiser = new PluginInitialiserBase();
|
||||
}
|
||||
|
||||
public PluginLoader (PluginInitialiserBase init)
|
||||
{
|
||||
Initialiser = init;
|
||||
}
|
||||
|
||||
public PluginLoader (PluginInitialiserBase init, string dir)
|
||||
{
|
||||
Initialiser = init;
|
||||
AddPluginDir (dir);
|
||||
}
|
||||
|
||||
public void AddPluginDir (string dir)
|
||||
|
|
@ -84,65 +110,45 @@ namespace OpenSim.Framework
|
|||
extpoints.Add (extpoint);
|
||||
}
|
||||
|
||||
public void AddConstrainedExtensionPoint (string extpoint, int min, int max)
|
||||
public void AddConstraint (string extpoint, IPluginConstraint cons)
|
||||
{
|
||||
constraints.Add (extpoint, new Range (min, max));
|
||||
constraints.Add (extpoint, cons);
|
||||
}
|
||||
|
||||
public void Load (string extpoint, string dir)
|
||||
{
|
||||
AddPluginDir (dir);
|
||||
AddExtensionPoint (extpoint);
|
||||
Load();
|
||||
}
|
||||
|
||||
public void LoadAll (Initialiser initialise)
|
||||
{
|
||||
foreach (string pt in extpoints)
|
||||
Load (pt, initialise);
|
||||
}
|
||||
|
||||
public void Load (string extpoint)
|
||||
{
|
||||
Load (extpoint, default_initialiser_);
|
||||
}
|
||||
|
||||
public void Load (string extpoint, Initialiser initialise)
|
||||
{
|
||||
int min = 0;
|
||||
int max = max_loadable_plugins;
|
||||
|
||||
if (constraints.ContainsKey (extpoint))
|
||||
{
|
||||
min = constraints[extpoint].min;
|
||||
max = constraints[extpoint].max;
|
||||
}
|
||||
|
||||
Load (extpoint, initialise, min, max);
|
||||
}
|
||||
|
||||
public void Load (string extpoint, Initialiser initialise, int min, int max)
|
||||
public void Load ()
|
||||
{
|
||||
suppress_console_output_ (true);
|
||||
AddinManager.Registry.Update (null);
|
||||
suppress_console_output_ (false);
|
||||
|
||||
ExtensionNodeList ns = AddinManager.GetExtensionNodes(extpoint);
|
||||
|
||||
if ((ns.Count < min) || (ns.Count > max))
|
||||
throw new PluginCountInvalidException
|
||||
("The number of plugins for " + extpoint +
|
||||
" is constrained to the interval [" + min + ", " + max + "]");
|
||||
|
||||
foreach (TypeExtensionNode n in ns)
|
||||
foreach (string ext in extpoints)
|
||||
{
|
||||
T p = (T) n.CreateInstance();
|
||||
initialise (p);
|
||||
Plugins.Add (p);
|
||||
if (constraints.ContainsKey (ext))
|
||||
{
|
||||
IPluginConstraint cons = constraints [ext];
|
||||
if (cons.Fail (ext))
|
||||
throw new PluginConstraintViolatedException (cons.Message);
|
||||
}
|
||||
|
||||
log.Info("[PLUGINS]: Loading plugin " + n.Path);
|
||||
ExtensionNodeList ns = AddinManager.GetExtensionNodes (ext);
|
||||
foreach (TypeExtensionNode n in ns)
|
||||
{
|
||||
T p = (T) n.CreateInstance();
|
||||
Initialiser.Initialise (p);
|
||||
Plugins.Add (p);
|
||||
|
||||
log.Info("[PLUGINS]: Loading plugin " + n.Path);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
public List<T> Plugins
|
||||
{
|
||||
get { return loaded; }
|
||||
}
|
||||
|
||||
public void Dispose ()
|
||||
{
|
||||
foreach (T p in Plugins)
|
||||
|
|
@ -174,6 +180,73 @@ namespace OpenSim.Framework
|
|||
System.Console.SetOut(prev_console_);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
public class PluginCountConstraint : IPluginConstraint
|
||||
{
|
||||
private int min;
|
||||
private int max;
|
||||
|
||||
public PluginCountConstraint (int exact)
|
||||
{
|
||||
min = exact;
|
||||
max = exact;
|
||||
}
|
||||
|
||||
public PluginCountConstraint (int minimum, int maximum)
|
||||
{
|
||||
min = minimum;
|
||||
max = maximum;
|
||||
}
|
||||
|
||||
public string Message
|
||||
{
|
||||
get
|
||||
{
|
||||
return "The number of plugins is constrained to the interval ["
|
||||
+ min + ", " + max + "]";
|
||||
}
|
||||
}
|
||||
|
||||
public bool Fail (string extpoint)
|
||||
{
|
||||
ExtensionNodeList ns = AddinManager.GetExtensionNodes (extpoint);
|
||||
if ((ns.Count < min) || (ns.Count > max))
|
||||
return true;
|
||||
else
|
||||
return false;
|
||||
}
|
||||
}
|
||||
|
||||
public class PluginFilenameConstraint : IPluginConstraint
|
||||
{
|
||||
private string filename;
|
||||
|
||||
public PluginFilenameConstraint (string name)
|
||||
{
|
||||
filename = name;
|
||||
|
||||
}
|
||||
|
||||
public string Message
|
||||
{
|
||||
get
|
||||
{
|
||||
return "The plugin must have the following name: " + filename;
|
||||
}
|
||||
}
|
||||
|
||||
public bool Fail (string extpoint)
|
||||
{
|
||||
ExtensionNodeList ns = AddinManager.GetExtensionNodes (extpoint);
|
||||
if (ns.Count != 1)
|
||||
return true;
|
||||
|
||||
string[] path = ns[0].Path.Split('/');
|
||||
if (path [path.Length-1] == filename)
|
||||
return false;
|
||||
|
||||
return true;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
|
|||
|
|
@ -87,7 +87,7 @@ namespace OpenSim.Grid.GridServer
|
|||
|
||||
AddHttpHandlers();
|
||||
|
||||
LoadGridPlugins();
|
||||
LoadPlugins();
|
||||
|
||||
m_httpServer.Start();
|
||||
|
||||
|
|
@ -116,16 +116,12 @@ namespace OpenSim.Grid.GridServer
|
|||
m_httpServer.AddStreamHandler(new RestStreamHandler("POST", "/regions/", m_gridManager.RestSetRegionMethod));
|
||||
}
|
||||
|
||||
protected void grid_plugin_initialiser_ (IPlugin plugin)
|
||||
protected void LoadPlugins()
|
||||
{
|
||||
IGridPlugin p = plugin as IGridPlugin;
|
||||
p.Initialise (this);
|
||||
}
|
||||
PluginLoader<IGridPlugin> loader =
|
||||
new PluginLoader<IGridPlugin> (new GridPluginInitialiser (this));
|
||||
|
||||
protected void LoadGridPlugins()
|
||||
{
|
||||
PluginLoader<IGridPlugin> loader = new PluginLoader<IGridPlugin> (".");
|
||||
loader.Load ("/OpenSim/GridServer", grid_plugin_initialiser_);
|
||||
loader.Load ("/OpenSim/GridServer", ".");
|
||||
m_plugins = loader.Plugins;
|
||||
}
|
||||
|
||||
|
|
@ -181,7 +177,7 @@ namespace OpenSim.Grid.GridServer
|
|||
|
||||
public override void Shutdown()
|
||||
{
|
||||
foreach (IGridPlugin plugin in m_plugins) plugin.Close();
|
||||
foreach (IGridPlugin plugin in m_plugins) plugin.Dispose();
|
||||
|
||||
base.Shutdown();
|
||||
}
|
||||
|
|
|
|||
|
|
@ -39,4 +39,15 @@ namespace OpenSim.Grid.GridServer
|
|||
void Initialise(GridServerBase gridServer);
|
||||
void Close();
|
||||
}
|
||||
|
||||
public class GridPluginInitialiser : PluginInitialiserBase
|
||||
{
|
||||
private GridServerBase server;
|
||||
public GridPluginInitialiser (GridServerBase s) { server = s; }
|
||||
public override void Initialise (IPlugin plugin)
|
||||
{
|
||||
IGridPlugin p = plugin as IGridPlugin;
|
||||
p.Initialise (server);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
|
|||
|
|
@ -37,4 +37,15 @@ namespace OpenSim
|
|||
{
|
||||
void Initialise(OpenSimBase openSim);
|
||||
}
|
||||
|
||||
public class ApplicationPluginInitialiser : PluginInitialiserBase
|
||||
{
|
||||
private OpenSimBase server;
|
||||
public ApplicationPluginInitialiser (OpenSimBase s) { server = s; }
|
||||
public override void Initialise (IPlugin plugin)
|
||||
{
|
||||
IApplicationPlugin p = plugin as IApplicationPlugin;
|
||||
p.Initialise (server);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
|
|||
|
|
@ -332,16 +332,12 @@ namespace OpenSim
|
|||
m_networkServersInfo.loadFromConfiguration(m_config.Source);
|
||||
}
|
||||
|
||||
protected void plugin_initialiser_ (IPlugin plugin)
|
||||
{
|
||||
IApplicationPlugin p = plugin as IApplicationPlugin;
|
||||
p.Initialise (this);
|
||||
}
|
||||
|
||||
protected void LoadPlugins()
|
||||
{
|
||||
PluginLoader<IApplicationPlugin> loader = new PluginLoader<IApplicationPlugin> (".");
|
||||
loader.Load ("/OpenSim/Startup", plugin_initialiser_);
|
||||
PluginLoader<IApplicationPlugin> loader =
|
||||
new PluginLoader<IApplicationPlugin> (new ApplicationPluginInitialiser (this));
|
||||
|
||||
loader.Load ("/OpenSim/Startup", ".");
|
||||
m_plugins = loader.Plugins;
|
||||
}
|
||||
|
||||
|
|
@ -733,3 +729,4 @@ namespace OpenSim
|
|||
|
||||
|
||||
|
||||
|
||||
|
|
|
|||
Loading…
Reference in New Issue