ALE - Another Looping Event - (Alpha)
Created by Ben Lesh http://www.benlesh.com ben@benlesh.com
Licensed under MIT license
===
This project is a Node.js style implementation of an event loop architecture in C#. This is something I whipped up for fun, mostly as a proof of concept. I like it though, and I'm looking for feedback.
Thank you for any feedback you might have.
examples
To start a webserver:
EventLoop.Start(() => {
Server.Create()
.Use((req, res) => {
res.Write("<h1>Hello World</h1>");
}).Listen("http://*:1337");
});To set up a web sockets server:
EventLoop.Start(() => {
Net.CreateServer((socket) => {
socket.Receive((text) => {
socket.Send("Echo: " + text);
});
}).Listen("127.0.0.1", 1338, "http://origin.com");
});Or just to do something like read a file from disk:
EventLoop.Start(() => {
File.ReadAllText(@"C:\File.txt", (text) => {
DoSomething(text);
});
});To start a ALE in IIS:
- Start a new web project.
- Reference ALE and ALE.Web.
- Add a reference to the HttpHandler in the Web.Config (here is the minimum Web.config required):
<?xml version="1.0"?>
<configuration>
<system.web>
<compilation debug="true" targetFramework="4.0" />
</system.web>
<system.webServer>
<validation validateIntegratedModeConfiguration="false"/>
<modules runAllManagedModulesForAllRequests="true"/>
<handlers>
<add verb="*" path="*"
name="AleHttpHandler"
type="ALE.Web.AleHttpHandler"/>
</handlers>
</system.webServer>
</configuration>- Add initialization code to Application_Start in your Global.asax:
void Application_Start(object sender, EventArgs e)
{
// Start the event loop.
EventLoop.Start();
// Get the ALE server instance and wire up your middlware.
ALE.Web.Server.Create()
.Use((req, res) => res.Write("Hello World"))
.Use((req, res) => res.Write("<br/>No seriously, I said hello."));
}- Add teardown in Application_End in your Global.asax:
void Application_End(object sender, EventArgs e)
{
// Shut down the EventLoop.
EventLoop.Stop();
}
See my related blog posts for more information: http://www.benlesh.com/search/label/ALE
Version History
- v 0.0.10.2 - Added basic Promise implementation
- v 0.0.9.4 - Updated EventLoops to be slightly more efficient.
- added unit tests.
- Fixed issues with Razor templating.
- Fixed some issues with routing.
- v 0.0.7.2 - Added FileSystemWatcher implemention.
- added beginnings of Razor template view processor.
- v 0.0.7.0 - Added routing.
- v 0.0.6.1 - Rewrote EventLoop to use Tasks and ContinueWith rather than Actions for performance reasons, and cleaned up the api a little.
- moved File class to proper namespace.
- updated File async methods.
- added File.Read method for streaming file data.
- v 0.0.5.0 - Added asynchronous http handler for IIS integration.
- v 0.0.4.6 - Added a static file server implementation.
- v 0.0.4.4 - Updated web server to use a single event to register all actions
- removed preprocessor and post processor events.
- Create method no longer used to register a main event. There is no main event.
- v 0.0.4.2 - Converted middleware usage to simple event/delegate implementation.
- v 0.0.4.1 - Abstractions and Middleware capabilities added. Laying the groundwork for a routed server.
- Abstracted out Server, Request and Response.
- Added IPreprocessor and IPostprocessor for "before and after" middleware implementations.
- Added Using method and overloards to IServer to handle attaching middleware.
- v 0.0.3.0 - Added non-blocking WebSocket implementation
- v 0.0.2.2 - Fixed a few issues
- Fixed an issue where EventLoop wouldn't pause when Events Queue was empty.
- Added Do.Async functionality.
- Tested multithreaded event-loop processing.
- v 0.0.2.1 - Updated Sql client Reader call to .NET's non-blocking async call.
- v 0.0.2.0 - Updated all I/O called to .NET's non-blocking async calls.
- v 0.0.1.0 - Added a simple SqlClient implementation, ExecuteReader only for now. More soon.