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@ -1,5 +1,9 @@ |
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<html> |
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<style> |
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ul { |
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padding: 0; |
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margin: 0; |
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} |
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</style> |
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<script type="text/javascript" src="sh_main.js"></script> |
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<script type="text/javascript" src="sh_javascript.min.js"></script> |
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@ -9,6 +13,13 @@ |
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<title>node.js</title> |
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<body onload="sh_highlightDocument();"> |
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<div id="toc"> |
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<ol> |
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<li><a href="#audience">Audience</a> |
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<li><a href="#about">About</a> |
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<li><a href="#download">Download</a> |
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<li><a href="#build">Build</a> |
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<li><a href="api.html">Documentation</a> |
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</ol> |
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</div> |
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<div id="content"> |
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@ -39,6 +50,17 @@ Server running at http://127.0.0.1:8000/ |
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<p> See the <a href="api.html">API documentation</a> for more examples. |
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<h2 id=audience>Audience</h2> |
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<p>This project is for those interested in |
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<ul> |
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<li>server-side javascript |
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<li>developing evented servers |
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<li>developing new web frameworks |
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</ul> |
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<h2 id=about>About</h2> |
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<p> Node's goal is to provide an easy way to build scalable network |
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programs. |
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In the above example, the 2 second delay does not prevent the server from |
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@ -65,13 +87,12 @@ difficult |
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to |
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use. |
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<p> |
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Node will show much better memory efficency under high-loads |
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Node will show much better memory efficiency under high-loads |
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<!-- TODO benchmark --> |
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than systems which allocate 2mb thread stacks for each connection. |
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<p>Users of Node are free from worries of dead-locking the |
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process—there are no locks. In fact, there arn't even blocking |
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Users of Node are free from worries of dead-locking the |
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process—there are no locks. In fact, there aren't even blocking |
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functions. Because nothing blocks, Node can be given to less-than-export |
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programmers to build servers. |
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@ -79,7 +100,7 @@ programmers to build servers. |
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Ruby's <a href="http://rubyeventmachine.com/">Event Machine</a> |
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or |
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Python's <a href="http://twistedmatrix.com/">Twisted</a>. |
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But Node takes the paradigm. |
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But Node takes the mode event-based API further. |
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In other systems, there is always a blocking call to start the event-loop. |
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Typically one sets up behavior through callbacks and at the end starts the |
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server through a call like <code>EventMachine::run()</code>. In Node, |
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@ -87,13 +108,13 @@ there is no such thing. By default Node enters the event loop after |
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executing the input script. Node exits the event loop when there are no more |
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callbacks to perform. |
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<p>Node's HTTP server has grown out of my difficulties developing |
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<p>Node's HTTP API has grown out of my difficulties developing |
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and working with web servers. For example, streaming data through most web |
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frameworks is difficult or impossible. Or like the oft-made false |
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assumption that all message headers have unique fields. Node attempts to |
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correct these problems by providing a low-level but complete HTTP API. |
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Coupled with Node's purely evented infrastructure, it will make a solid foundation for |
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future frameworks. |
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correct these and other problems in its API. |
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Coupled with Node's purely evented infrastructure, it will make a solid |
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foundation for future frameworks. |
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<p> <i>But what about multiple-processor concurrency? Threads are necessary |
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to scale programs to multi-core computers.</i> The name <i>Node</i> should |
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@ -105,9 +126,6 @@ to be able to spawn new processes (probably using the <a |
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href="http://www.whatwg.org/specs/web-workers/current-work/">Web Workers |
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API</a>), but this is something that fits well into the current design. |
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<p> Node is released under an MIT license.</p> |
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<h2 id="download">Download</h2> |
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<p><a href="http://github.com/ry/node/tree/master">The git repo</a> |
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@ -122,8 +140,10 @@ href="http://s3.amazonaws.com/four.livejournal/20090527/node-0.0.1.tar.gz">node- |
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<h2 id="build">Build</h2> |
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<p>Node eventually wants to support all POSIX operating systems (including |
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Windows with mingw) but at the moment it is only being tested on Linux, |
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Macintosh, and FreeBSD. The build system requires Python. V8, on which |
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Windows with MinGW) but at the moment it is only being tested on |
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<b>Linux</b>, |
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<b>Macintosh</b>, and |
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<b>FreeBSD</b>. The build system requires Python. V8, on which |
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Node is built, supports only IA-32 and ARM processors. V8 is included in the |
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Node distribution. There are no dependencies. |
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Ryan
16 years ago