diff options
Diffstat (limited to 'lib/Plugins.Essentials/src/Middleware')
| -rw-r--r-- | lib/Plugins.Essentials/src/Middleware/MiddlewareController.cs | 23 |
1 files changed, 17 insertions, 6 deletions
diff --git a/lib/Plugins.Essentials/src/Middleware/MiddlewareController.cs b/lib/Plugins.Essentials/src/Middleware/MiddlewareController.cs index 2ce62b3..c3a85c9 100644 --- a/lib/Plugins.Essentials/src/Middleware/MiddlewareController.cs +++ b/lib/Plugins.Essentials/src/Middleware/MiddlewareController.cs @@ -33,12 +33,20 @@ namespace VNLib.Plugins.Essentials.Middleware public async ValueTask<bool> ProcessAsync(HttpEntity entity) { + /* + * Loops through the current linkedlist of the current middleware chain. The + * chain should remain unmodified after GetCurrentHead() is called. + * + * Middleware will return a Continue routine to move to the next middleware + * node. All other routines mean the processor has responded to the client + * itself and must exit control and move to response. + */ + LinkedListNode<IHttpMiddleware>? mwNode = _chain.GetCurrentHead(); //Loop through nodes while (mwNode != null) { - //Invoke mw handler on our event entity.EventArgs = await mwNode.ValueRef.ProcessAsync(entity); switch (entity.EventArgs.Routine) @@ -60,9 +68,14 @@ namespace VNLib.Plugins.Essentials.Middleware public void PostProcess(HttpEntity entity) { - LinkedListNode<IHttpMiddleware>? mwNode = _chain.GetCurrentHead(); + /* + * Middleware nodes may be allowed to inspect, or modify the return + * event arguments as the server may not have responded to the client + * yet. + */ - //Loop through nodes + LinkedListNode<IHttpMiddleware>? mwNode = _chain.GetCurrentHead(); + while (mwNode != null) { //Invoke mw handler on our event @@ -72,6 +85,4 @@ namespace VNLib.Plugins.Essentials.Middleware } } } - - -}
\ No newline at end of file +} |