twisted.protocols.htb.Bucket.html [plain text]
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<a href="twisted.html">Package twisted</a> ::
<a href="twisted.protocols.html">Package protocols</a> ::
<a href="twisted.protocols.htb.html">Module htb</a> ::
Class Bucket
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<h2 class="class">Class Bucket</h2>
<hr/>
<p>Token bucket, or something like it.</p>
I can hold up to a certain number of tokens, and I drain over
time.
<hr/>
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<td><code><a name="__init__"></a><span class="summary-sig"><span class="summary-sig-name">__init__</span>(<span class=summary-sig-arg>self</span>,
<span class=summary-sig-arg>parentBucket</span>)</span></code>
</td></tr>
<tr><td align="right" valign="top" width="15%"><font size="-1"> int
</font></td>
<td><code><span class="summary-sig"><a href="twisted.protocols.htb.Bucket.html#add" class="summary-sig-name"><code>add</code></a>(<span class=summary-sig-arg>self</span>,
<span class=summary-sig-arg>amount</span>)</span></code>
<br />
Add tokens to me.</td></tr>
<tr><td align="right" valign="top" width="15%"><font size="-1"> bool
</font></td>
<td><code><span class="summary-sig"><a href="twisted.protocols.htb.Bucket.html#drip" class="summary-sig-name"><code>drip</code></a>(<span class=summary-sig-arg>self</span>)</span></code>
<br />
Let some of the bucket drain.</td></tr>
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<tr><td align="right" valign="top" width="15%"><font size="-1"><code>int</code></font></td>
<td><b><a href="twisted.protocols.htb.Bucket.html#_refcount"><code>_refcount</code></a></b> = <span title="0">0 </span></td></tr>
<tr><td align="right" valign="top" width="15%"><font size="-1">int</font></td>
<td><b><a href="twisted.protocols.htb.Bucket.html#maxburst"><code>maxburst</code></a></b>: Size of the bucket, in bytes.</td></tr>
<tr><td align="right" valign="top" width="15%"><font size="-1">int</font></td>
<td><b><a href="twisted.protocols.htb.Bucket.html#rate"><code>rate</code></a></b>: Rate the bucket drains, in bytes per second.</td></tr>
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<a name="add"></a>
<table width="100%" class="func-details" bgcolor="#e0e0e0"><tr><td>
<h3><span class="sig"><span class="sig-name">add</span>(<span class=sig-arg>self</span>,
<span class=sig-arg>amount</span>)</span>
</h3>
Add tokens to me.
<dl><dt></dt><dd>
<dl><dt><b>Parameters:</b></dt>
<dd><code><b>amount</b></code> -
A quanity of tokens to add.
<br /><i>
(type=int)</i>
</dd>
</dl>
<dl><dt><b>Returns:</b></dt>
<dd>
The number of tokens that fit.
<br /><i>
(type=int)</i>
</dd>
</dl>
</dd></dl>
</td></tr></table>
<a name="drip"></a>
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<h3><span class="sig"><span class="sig-name">drip</span>(<span class=sig-arg>self</span>)</span>
</h3>
<p>Let some of the bucket drain.</p>
How much of the bucket drains depends on how long it has been since
I was last called.
<dl><dt></dt><dd>
<dl><dt><b>Returns:</b></dt>
<dd>
True if I am now empty.
<br /><i>
(type=bool)</i>
</dd>
</dl>
</dd></dl>
</td></tr></table>
<br />
<!-- =========== START OF CLASS VARIABLE DETAILS =========== -->
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<a name="_refcount"></a>
<h3>_refcount</h3>
<dl>
<dt></dt>
<dd>
<dl>
<dt><b>Type:</b></dt>
<dd>
<code>int</code>
</dd>
<span title="0"> <dt><b>Value:</b></dt>
<dd><table><tr><td>
<pre class="variable">
0 </pre>
</td></tr></table></dd>
</span> </dl>
</dd>
</dl></td></tr></table>
<table width="100%" class="var-details" bgcolor="#e0e0e0"><tr><td>
<a name="maxburst"></a>
<h3>maxburst</h3>
Size of the bucket, in bytes. If None, the bucket is never full.
<dl>
<dt></dt>
<dd>
<dl>
<dt><b>Type:</b></dt>
<dd>
int
</dd>
<span title="None"> <dt><b>Value:</b></dt>
<dd><table><tr><td>
<pre class="variable">
None </pre>
</td></tr></table></dd>
</span> </dl>
</dd>
</dl></td></tr></table>
<table width="100%" class="var-details" bgcolor="#e0e0e0"><tr><td>
<a name="rate"></a>
<h3>rate</h3>
Rate the bucket drains, in bytes per second. If None, the bucket
drains instantaneously.
<dl>
<dt></dt>
<dd>
<dl>
<dt><b>Type:</b></dt>
<dd>
int
</dd>
<span title="None"> <dt><b>Value:</b></dt>
<dd><table><tr><td>
<pre class="variable">
None </pre>
</td></tr></table></dd>
</span> </dl>
</dd>
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