twisted.internet.tcp.Connection.html [plain text]
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<a href="twisted.html">Package twisted</a> ::
<a href="twisted.internet.html">Package internet</a> ::
<a href="twisted.internet.tcp.html">Module tcp</a> ::
Class Connection
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<!-- =========== START OF CLASS DESCRIPTION =========== -->
<h2 class="class">Class Connection</h2>
<pre class="base-tree">
<a href="twisted.persisted.styles.Ephemeral.html"><code>Ephemeral</code></a> --+
|
<a href="twisted.python.log.Logger.html"><code>Logger</code></a> --+
|
<a href="twisted.internet.abstract.FileDescriptor.html"><code>FileDescriptor</code></a> --+
|
<b>Connection</b>
</pre><br />
<dl><dt><b>Known Subclasses:</b></dt>
<dd>
<a href="twisted.internet.tcp.BaseClient.html"><code>BaseClient</code></a>,
<a href="twisted.internet.tcp.Server.html"><code>Server</code></a></dd></dl>
<hr/>
<p>I am the superclass of all socket-based FileDescriptors.</p>
This is an abstract superclass of all objects which represent a TCP/IP
connection based socket.
<hr/>
<!-- =========== START OF METHOD SUMMARY =========== -->
<table class="summary" border="1" cellpadding="3" cellspacing="0" width="100%" bgcolor="white">
<tr bgcolor="#70b0f0" class="summary">
<th colspan="2">Method Summary</th></tr>
<tr><td align="right" valign="top" width="15%"><font size="-1"> </font></td>
<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>skt</span>,
<span class=summary-sig-arg>protocol</span>,
<span class=summary-sig-arg>reactor</span>)</span></code>
</td></tr>
<tr><td align="right" valign="top" width="15%"><font size="-1"> </font></td>
<td><code><span class="summary-sig"><a href="twisted.internet.tcp.Connection.html#_closeSocket" class="summary-sig-name"><code>_closeSocket</code></a>(<span class=summary-sig-arg>self</span>)</span></code>
<br />
Called to close our socket.</td></tr>
<tr><td align="right" valign="top" width="15%"><font size="-1"> </font></td>
<td><code><a name="_startTLS"></a><span class="summary-sig"><span class="summary-sig-name">_startTLS</span>(<span class=summary-sig-arg>self</span>)</span></code>
</td></tr>
<tr><td align="right" valign="top" width="15%"><font size="-1"> </font></td>
<td><code><span class="summary-sig"><a href="twisted.internet.tcp.Connection.html#connectionLost" class="summary-sig-name"><code>connectionLost</code></a>(<span class=summary-sig-arg>self</span>,
<span class=summary-sig-arg>reason</span>)</span></code>
<br />
See abstract.FileDescriptor.connectionLost().</td></tr>
<tr><td align="right" valign="top" width="15%"><font size="-1"> </font></td>
<td><code><span class="summary-sig"><a href="twisted.internet.tcp.Connection.html#doRead" class="summary-sig-name"><code>doRead</code></a>(<span class=summary-sig-arg>self</span>)</span></code>
<br />
Calls self.protocol.dataReceived with all available data.</td></tr>
<tr><td align="right" valign="top" width="15%"><font size="-1"> </font></td>
<td><code><span class="summary-sig"><a href="twisted.internet.tcp.Connection.html#getHandle" class="summary-sig-name"><code>getHandle</code></a>(<span class=summary-sig-arg>self</span>)</span></code>
<br />
Return the socket for this connection.</td></tr>
<tr><td align="right" valign="top" width="15%"><font size="-1"> </font></td>
<td><code><a name="getTcpKeepAlive"></a><span class="summary-sig"><span class="summary-sig-name">getTcpKeepAlive</span>(<span class=summary-sig-arg>self</span>)</span></code>
</td></tr>
<tr><td align="right" valign="top" width="15%"><font size="-1"> </font></td>
<td><code><a name="getTcpNoDelay"></a><span class="summary-sig"><span class="summary-sig-name">getTcpNoDelay</span>(<span class=summary-sig-arg>self</span>)</span></code>
</td></tr>
<tr><td align="right" valign="top" width="15%"><font size="-1"> </font></td>
<td><code><span class="summary-sig"><a href="twisted.internet.tcp.Connection.html#logPrefix" class="summary-sig-name"><code>logPrefix</code></a>(<span class=summary-sig-arg>self</span>)</span></code>
<br />
Return the prefix to log with when I own the logging thread.</td></tr>
<tr><td align="right" valign="top" width="15%"><font size="-1"> </font></td>
<td><code><a name="setTcpKeepAlive"></a><span class="summary-sig"><span class="summary-sig-name">setTcpKeepAlive</span>(<span class=summary-sig-arg>self</span>,
<span class=summary-sig-arg>enabled</span>)</span></code>
</td></tr>
<tr><td align="right" valign="top" width="15%"><font size="-1"> </font></td>
<td><code><a name="setTcpNoDelay"></a><span class="summary-sig"><span class="summary-sig-name">setTcpNoDelay</span>(<span class=summary-sig-arg>self</span>,
<span class=summary-sig-arg>enabled</span>)</span></code>
</td></tr>
<tr><td align="right" valign="top" width="15%"><font size="-1"> </font></td>
<td><code><a name="startTLS"></a><span class="summary-sig"><span class="summary-sig-name">startTLS</span>(<span class=summary-sig-arg>self</span>,
<span class=summary-sig-arg>ctx</span>)</span></code>
</td></tr>
<tr><td align="right" valign="top" width="15%"><font size="-1"> </font></td>
<td><code><span class="summary-sig"><a href="twisted.internet.tcp.Connection.html#writeSomeData" class="summary-sig-name"><code>writeSomeData</code></a>(<span class=summary-sig-arg>self</span>,
<span class=summary-sig-arg>data</span>)</span></code>
<br />
Connection.writeSomeData(data) -> #of bytes written |
CONNECTION_LOST This writes as much data as possible to the socket and
returns either the number of bytes read (which is positive) or a
connection error code (which is negative)</td></tr>
<tr bgcolor="#e8f0f8" class="group">
<th colspan="2"> Inherited from FileDescriptor</th></tr>
<tr><td align="right" valign="top" width="15%"><font size="-1"> </font></td>
<td><code><span class="summary-sig"><a href="twisted.internet.abstract.FileDescriptor.html#_postLoseConnection" class="summary-sig-name"><code>_postLoseConnection</code></a>(<span class=summary-sig-arg>self</span>)</span></code>
<br />
Called after a loseConnection(), when all data has been written.</td></tr>
<tr><td align="right" valign="top" width="15%"><font size="-1"> </font></td>
<td><code><span class="summary-sig"><a href="twisted.internet.abstract.FileDescriptor.html#doWrite" class="summary-sig-name"><code>doWrite</code></a>(<span class=summary-sig-arg>self</span>)</span></code>
<br />
Called when data is available for writing.</td></tr>
<tr><td align="right" valign="top" width="15%"><font size="-1"> </font></td>
<td><code><span class="summary-sig"><a href="twisted.internet.abstract.FileDescriptor.html#fileno" class="summary-sig-name"><code>fileno</code></a>(<span class=summary-sig-arg>self</span>)</span></code>
<br />
File Descriptor number for select().</td></tr>
<tr><td align="right" valign="top" width="15%"><font size="-1"> </font></td>
<td><code><span class="summary-sig"><a href="twisted.internet.abstract.FileDescriptor.html#loseConnection" class="summary-sig-name"><code>loseConnection</code></a>(<span class=summary-sig-arg>self</span>)</span></code>
<br />
Close the connection at the next available opportunity.</td></tr>
<tr><td align="right" valign="top" width="15%"><font size="-1"> </font></td>
<td><code><span class="summary-sig"><a href="twisted.internet.abstract.FileDescriptor.html#pauseProducing" class="summary-sig-name"><code>pauseProducing</code></a>(<span class=summary-sig-arg>self</span>)</span></code>
</td></tr>
<tr><td align="right" valign="top" width="15%"><font size="-1"> </font></td>
<td><code><span class="summary-sig"><a href="twisted.internet.abstract.FileDescriptor.html#registerProducer" class="summary-sig-name"><code>registerProducer</code></a>(<span class=summary-sig-arg>self</span>,
<span class=summary-sig-arg>producer</span>,
<span class=summary-sig-arg>streaming</span>)</span></code>
<br />
Register to receive data from a producer.</td></tr>
<tr><td align="right" valign="top" width="15%"><font size="-1"> </font></td>
<td><code><span class="summary-sig"><a href="twisted.internet.abstract.FileDescriptor.html#resumeProducing" class="summary-sig-name"><code>resumeProducing</code></a>(<span class=summary-sig-arg>self</span>)</span></code>
</td></tr>
<tr><td align="right" valign="top" width="15%"><font size="-1"> </font></td>
<td><code><span class="summary-sig"><a href="twisted.internet.abstract.FileDescriptor.html#startReading" class="summary-sig-name"><code>startReading</code></a>(<span class=summary-sig-arg>self</span>)</span></code>
<br />
Start waiting for read availability.</td></tr>
<tr><td align="right" valign="top" width="15%"><font size="-1"> </font></td>
<td><code><span class="summary-sig"><a href="twisted.internet.abstract.FileDescriptor.html#startWriting" class="summary-sig-name"><code>startWriting</code></a>(<span class=summary-sig-arg>self</span>)</span></code>
<br />
Start waiting for write availability.</td></tr>
<tr><td align="right" valign="top" width="15%"><font size="-1"> </font></td>
<td><code><span class="summary-sig"><a href="twisted.internet.abstract.FileDescriptor.html#stopConsuming" class="summary-sig-name"><code>stopConsuming</code></a>(<span class=summary-sig-arg>self</span>)</span></code>
<br />
Stop consuming data.</td></tr>
<tr><td align="right" valign="top" width="15%"><font size="-1"> </font></td>
<td><code><span class="summary-sig"><a href="twisted.internet.abstract.FileDescriptor.html#stopProducing" class="summary-sig-name"><code>stopProducing</code></a>(<span class=summary-sig-arg>self</span>)</span></code>
</td></tr>
<tr><td align="right" valign="top" width="15%"><font size="-1"> </font></td>
<td><code><span class="summary-sig"><a href="twisted.internet.abstract.FileDescriptor.html#stopReading" class="summary-sig-name"><code>stopReading</code></a>(<span class=summary-sig-arg>self</span>)</span></code>
<br />
Stop waiting for read availability.</td></tr>
<tr><td align="right" valign="top" width="15%"><font size="-1"> </font></td>
<td><code><span class="summary-sig"><a href="twisted.internet.abstract.FileDescriptor.html#stopWriting" class="summary-sig-name"><code>stopWriting</code></a>(<span class=summary-sig-arg>self</span>)</span></code>
<br />
Stop waiting for write availability.</td></tr>
<tr><td align="right" valign="top" width="15%"><font size="-1"> </font></td>
<td><code><span class="summary-sig"><a href="twisted.internet.abstract.FileDescriptor.html#unregisterProducer" class="summary-sig-name"><code>unregisterProducer</code></a>(<span class=summary-sig-arg>self</span>)</span></code>
<br />
Stop consuming data from a producer, without disconnecting.</td></tr>
<tr><td align="right" valign="top" width="15%"><font size="-1"> </font></td>
<td><code><span class="summary-sig"><a href="twisted.internet.abstract.FileDescriptor.html#write" class="summary-sig-name"><code>write</code></a>(<span class=summary-sig-arg>self</span>,
<span class=summary-sig-arg>data</span>)</span></code>
<br />
Reliably write some data.</td></tr>
<tr><td align="right" valign="top" width="15%"><font size="-1"> </font></td>
<td><code><span class="summary-sig"><a href="twisted.internet.abstract.FileDescriptor.html#writeSequence" class="summary-sig-name"><code>writeSequence</code></a>(<span class=summary-sig-arg>self</span>,
<span class=summary-sig-arg>iovec</span>)</span></code>
</td></tr>
<tr bgcolor="#e8f0f8" class="group">
<th colspan="2"> Inherited from Ephemeral</th></tr>
<tr><td align="right" valign="top" width="15%"><font size="-1"> </font></td>
<td><code><span class="summary-sig"><a href="twisted.persisted.styles.Ephemeral.html#__getstate__" class="summary-sig-name"><code>__getstate__</code></a>(<span class=summary-sig-arg>self</span>)</span></code>
</td></tr>
<tr><td align="right" valign="top" width="15%"><font size="-1"> </font></td>
<td><code><span class="summary-sig"><a href="twisted.persisted.styles.Ephemeral.html#__setstate__" class="summary-sig-name"><code>__setstate__</code></a>(<span class=summary-sig-arg>self</span>,
<span class=summary-sig-arg>state</span>)</span></code>
</td></tr>
</table><br />
<!-- =========== START OF CLASS VARIABLE SUMMARY =========== -->
<table class="summary" border="1" cellpadding="3" cellspacing="0" width="100%" bgcolor="white">
<tr bgcolor="#70b0f0" class="summary">
<th colspan="2">Class Variable Summary</th></tr>
<tr><td align="right" valign="top" width="15%"><font size="-1"><code>tuple</code></font></td>
<td><b><a href="twisted.internet.tcp.Connection.html#__implements__"><code>__implements__</code></a></b> = <span title="((<class twisted.internet.interfaces.IProducer at 0x827b064>, <class twisted.internet.interfaces.IReadWriteDescriptor at 0x827d20c>, <class twisted.internet.interfaces.IConsumer at 0x824feb4>, <class twisted.internet.interfaces.ITransport at 0x8254024>), <class twisted.internet.interfaces.ITCPTransport at 0x8241624>, <class twisted.internet.interfaces.ISystemHandle at 0x827cf14>, <class twisted.internet.interfaces.ITLSTransport at 0x8241654>)"><code>((<class twisted.internet.interfaces.IP<span class="variable-ellipsis">...</span></code>
</span></td></tr>
<tr><td align="right" valign="top" width="15%"><font size="-1"><code>str</code></font></td>
<td><b><a href="twisted.internet.tcp.Connection.html#logstr"><code>logstr</code></a></b> = <span title="'Uninitialized'"><code><span class="variable-quote">'</span>Uninitialized<span class="variable-quote">'</span> </code>
</span></td></tr>
<tr><td align="right" valign="top" width="15%"><font size="-1"><code>int</code></font></td>
<td><b><a href="twisted.internet.tcp.Connection.html#TLS"><code>TLS</code></a></b> = <span title="0">0 </span></td></tr>
<tr bgcolor="#e8f0f8" class="group">
<th colspan="2"> Inherited from FileDescriptor</th></tr>
<tr><td align="right" valign="top" width="15%"><font size="-1"><code>int</code></font></td>
<td><b><a href="twisted.internet.abstract.FileDescriptor.html#bufferSize"><code>bufferSize</code></a></b> = <span title="65536">65536 </span></td></tr>
<tr><td align="right" valign="top" width="15%"><font size="-1"><code>int</code></font></td>
<td><b><a href="twisted.internet.abstract.FileDescriptor.html#connected"><code>connected</code></a></b> = <span title="0">0 </span></td></tr>
<tr><td align="right" valign="top" width="15%"><font size="-1"><code>str</code></font></td>
<td><b><a href="twisted.internet.abstract.FileDescriptor.html#dataBuffer"><code>dataBuffer</code></a></b> = <span title="''"><code><span class="variable-quote">'</span><span class="variable-quote">'</span> </code>
</span></td></tr>
<tr><td align="right" valign="top" width="15%"><font size="-1"><code>int</code></font></td>
<td><b><a href="twisted.internet.abstract.FileDescriptor.html#disconnected"><code>disconnected</code></a></b> = <span title="0">0 </span></td></tr>
<tr><td align="right" valign="top" width="15%"><font size="-1"><code>int</code></font></td>
<td><b><a href="twisted.internet.abstract.FileDescriptor.html#disconnecting"><code>disconnecting</code></a></b> = <span title="0">0 </span></td></tr>
<tr><td align="right" valign="top" width="15%"><font size="-1"><code>int</code></font></td>
<td><b><a href="twisted.internet.abstract.FileDescriptor.html#offset"><code>offset</code></a></b> = <span title="0">0 </span></td></tr>
<tr><td align="right" valign="top" width="15%"><font size="-1"><code>NoneType</code></font></td>
<td><b><a href="twisted.internet.abstract.FileDescriptor.html#producer"><code>producer</code></a></b> = <span title="None">None </span></td></tr>
<tr><td align="right" valign="top" width="15%"><font size="-1"><code>int</code></font></td>
<td><b><a href="twisted.internet.abstract.FileDescriptor.html#producerPaused"><code>producerPaused</code></a></b> = <span title="0">0 </span></td></tr>
<tr><td align="right" valign="top" width="15%"><font size="-1"><code>int</code></font></td>
<td><b><a href="twisted.internet.abstract.FileDescriptor.html#streamingProducer"><code>streamingProducer</code></a></b> = <span title="0">0 </span></td></tr>
</table><br />
<!-- =========== START OF METHOD DETAILS =========== -->
<table class="details" border="1" cellpadding="3" cellspacing="0" width="100%" bgcolor="white">
<tr bgcolor="#70b0f0" class="details">
<th colspan="2">Method Details</th></tr>
</table>
<a name="_closeSocket"></a>
<table width="100%" class="func-details" bgcolor="#e0e0e0"><tr><td>
<h3><span class="sig"><span class="sig-name">_closeSocket</span>(<span class=sig-arg>self</span>)</span>
</h3>
Called to close our socket.
<dl><dt></dt><dd>
</dd></dl>
</td></tr></table>
<a name="connectionLost"></a>
<table width="100%" class="func-details" bgcolor="#e0e0e0"><tr><td>
<h3><span class="sig"><span class="sig-name">connectionLost</span>(<span class=sig-arg>self</span>,
<span class=sig-arg>reason</span>)</span>
</h3>
See abstract.FileDescriptor.connectionLost().
<dl><dt></dt><dd>
<dl><dt><b>Overrides:</b></dt>
<dd><a href="twisted.internet.abstract.FileDescriptor.html#connectionLost"><code>twisted.internet.abstract.FileDescriptor.connectionLost</code></a></dd>
</dl>
</dd></dl>
</td></tr></table>
<a name="doRead"></a>
<table width="100%" class="func-details" bgcolor="#e0e0e0"><tr><td>
<h3><span class="sig"><span class="sig-name">doRead</span>(<span class=sig-arg>self</span>)</span>
</h3>
<p>Calls self.protocol.dataReceived with all available data.</p>
This reads up to self.bufferSize bytes of data from its socket, then
calls self.dataReceived(data) to process it. If the connection is not
lost through an error in the physical recv(), this function will return
the result of the dataReceived call.
<dl><dt></dt><dd>
</dd></dl>
</td></tr></table>
<a name="getHandle"></a>
<table width="100%" class="func-details" bgcolor="#e0e0e0"><tr><td>
<h3><span class="sig"><span class="sig-name">getHandle</span>(<span class=sig-arg>self</span>)</span>
</h3>
Return the socket for this connection.
<dl><dt></dt><dd>
</dd></dl>
</td></tr></table>
<a name="logPrefix"></a>
<table width="100%" class="func-details" bgcolor="#e0e0e0"><tr><td>
<h3><span class="sig"><span class="sig-name">logPrefix</span>(<span class=sig-arg>self</span>)</span>
</h3>
Return the prefix to log with when I own the logging thread.
<dl><dt></dt><dd>
<dl><dt><b>Overrides:</b></dt>
<dd><a href="twisted.python.log.Logger.html#logPrefix"><code>twisted.python.log.Logger.logPrefix</code></a></dd>
</dl>
</dd></dl>
</td></tr></table>
<a name="writeSomeData"></a>
<table width="100%" class="func-details" bgcolor="#e0e0e0"><tr><td>
<h3><span class="sig"><span class="sig-name">writeSomeData</span>(<span class=sig-arg>self</span>,
<span class=sig-arg>data</span>)</span>
</h3>
Connection.writeSomeData(data) -> #of bytes written |
CONNECTION_LOST This writes as much data as possible to the socket and
returns either the number of bytes read (which is positive) or a
connection error code (which is negative)
<dl><dt></dt><dd>
<dl><dt><b>Overrides:</b></dt>
<dd><a href="twisted.internet.abstract.FileDescriptor.html#writeSomeData"><code>twisted.internet.abstract.FileDescriptor.writeSomeData</code></a></dd>
</dl>
</dd></dl>
</td></tr></table>
<br />
<!-- =========== START OF CLASS VARIABLE DETAILS =========== -->
<table class="details" border="1" cellpadding="3" cellspacing="0" width="100%" bgcolor="white">
<tr bgcolor="#70b0f0" class="details">
<th colspan="2">Class Variable Details</th></tr>
</table>
<table width="100%" class="var-details" bgcolor="#e0e0e0"><tr><td>
<a name="__implements__"></a>
<h3>__implements__</h3>
<dl>
<dt></dt>
<dd>
<dl>
<dt><b>Type:</b></dt>
<dd>
<code>tuple</code>
</dd>
<span title="((<class twisted.internet.interfaces.IProducer at 0x827b064>, <class twisted.internet.interfaces.IReadWriteDescriptor at 0x827d20c>, <class twisted.internet.interfaces.IConsumer at 0x824feb4>, <class twisted.internet.interfaces.ITransport at 0x8254024>), <class twisted.internet.interfaces.ITCPTransport at 0x8241624>, <class twisted.internet.interfaces.ISystemHandle at 0x827cf14>, <class twisted.internet.interfaces.ITLSTransport at 0x8241654>)"> <dt><b>Value:</b></dt>
<dd><table><tr><td>
<pre class="variable">
((<class twisted.internet.interfaces.IProducer at 0x827b064>,
<class twisted.internet.interfaces.IReadWriteDescriptor at 0x827d20c<span class="variable-linewrap">\</span>
>,
<class twisted.internet.interfaces.IConsumer at 0x824feb4>,
<class twisted.internet.interfaces.ITransport at 0x8254024>),
<class twisted.internet.interfaces.ITCPTransport at 0x8241624>,
<class twisted.internet.interfaces.ISystemHandle at 0x827cf14>,
<class twisted.internet.interfaces.ITLSTransport at 0x8241654>) </pre>
</td></tr></table></dd>
</span> </dl>
</dd>
</dl></td></tr></table>
<table width="100%" class="var-details" bgcolor="#e0e0e0"><tr><td>
<a name="logstr"></a>
<h3>logstr</h3>
<dl>
<dt></dt>
<dd>
<dl>
<dt><b>Type:</b></dt>
<dd>
<code>str</code>
</dd>
<span title="'Uninitialized'"> <dt><b>Value:</b></dt>
<dd><table><tr><td>
<pre class="variable">
<span class="variable-quote">'</span>Uninitialized<span class="variable-quote">'</span> </pre>
</td></tr></table></dd>
</span> </dl>
</dd>
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<table width="100%" class="var-details" bgcolor="#e0e0e0"><tr><td>
<a name="TLS"></a>
<h3>TLS</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>
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