BSER Binary Serialization

system 2

<h2>BSER Binary Serialization</h2>

<p>BSER is a binary serialization scheme that can be used as an alternative to JSON.</p>
<p>BSER uses a framed encoding that makes it simpler to use to stream a sequence of</p>
<p>encoded values.</p>

<p>It is intended to be used for local-IPC only and strings are represented as binary</p>
<p>with no specific encoding; this matches the convention employed by most operating</p>
<p>system filename storage.</p>

<p>For more details about the serialization scheme see</p>
<p><a href="https://facebook.github.io/watchman/docs/bser.html">Watchman's docs</a>.</p>

<pre><code>
var bser = require('bser');
</code></pre>

<h4>bser.loadFromBuffer</h4>

<p>The is the synchronous decoder; given an input string or buffer,</p>
<p>decodes a single value and returns it. Throws an error if the</p>
<p>input is invalid.</p>

<pre><code>
var obj = bser.loadFromBuffer(buf);
</code></pre>

<h4>bser.dumpToBuffer</h4>

<p>Synchronously encodes a value as BSER.</p>

<pre><code>
var encoded = bser.dumpToBuffer(['hello']);
console.log(bser.loadFromBuffer(encoded)); // ['hello']
</code></pre>

<h4>BunserBuf</h4>

<p>The asynchronous decoder API is implemented in the BunserBuf object.</p>
<p>You may incrementally append data to this object and it will emit the</p>
<p>decoded values via its <code>value</code> event.</p>

<pre><code>
var bunser = new bser.BunserBuf();

bunser.on('value', function(obj) {
console.log(obj);
});
</code></pre>

<p>Then in your socket <code>data</code> event:</p>

<pre><code>
bunser.append(buf);
</code></pre>

<h3>Example</h3>

<p>Read BSER from socket:</p>

<pre><code>
var bunser = new bser.BunserBuf();

bunser.on('value', function(obj) {
console.log('data from socket', obj);
});

var socket = net.connect('/socket');

socket.on('data', function(buf) {
bunser.append(buf);
});
</code></pre>

<p>Write BSER to socket:</p>

<pre><code>
socket.write(bser.dumpToBuffer(obj));
</code></pre>

<hr>

<p>本文由模极社发布</p>

<table>
<tr><td>分类</td><td>要点</td><td>建议/说明</td></tr>
<tr><td>核心概念</td><td>BSER Binary Serializ</td><td>详见正文</td></tr>
<tr><td>操作步骤</td><td>BSER Binary Serializ</td><td>详见正文</td></tr>
<tr><td>注意事项</td><td>BSER Binary Serializ</td><td>详见正文</td></tr>
<tr><td>适用场景</td><td>BSER Binary Serializ</td><td>详见正文</td></tr>
<tr><td>常见问题</td><td>BSER Binary Serializ</td><td>详见正文</td></tr>
</table>

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<p>各位师傅觉得这个方案怎么样？有更好的做法吗？</p>