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Package flumotion ::
<a href="flumotion.component-module.html">Package component</a> ::
<a href="flumotion.component.feed-module.html">Module feed</a> ::
Class FeedMedium
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<!-- ==================== CLASS DESCRIPTION ==================== -->
<h1 class="epydoc">Class FeedMedium</h1><p class="nomargin-top"><span class="codelink"><a href="flumotion.component.feed-pysrc.html#FeedMedium">source code</a></span></p>
<pre class="base-tree">
twisted.spread.jelly.Jellyable --+
|
twisted.spread.flavors.Serializable --+
|
twisted.spread.flavors.Referenceable --+
|
<a href="flumotion.extern.log.log.Loggable-class.html">extern.log.log.Loggable</a> --+
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<a href="flumotion.twisted.pb.Referenceable-class.html">twisted.pb.Referenceable</a> --+
|
<strong class="uidshort">FeedMedium</strong>
</pre>
<hr />
<p>I am a client for a Feed Server.</p>
<p>I am used as the remote interface between a component and another
component.</p>
<!-- ==================== INSTANCE METHODS ==================== -->
<a name="section-InstanceMethods"></a>
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<span class="summary-type"> </span>
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<td><span class="summary-sig"><a name="__init__"></a><span class="summary-sig-name">__init__</span>(<span class="summary-sig-arg">self</span>,
<span class="summary-sig-arg">logName</span>=<span class="summary-sig-default">None</span>)</span></td>
<td align="right" valign="top">
<span class="codelink"><a href="flumotion.component.feed-pysrc.html#FeedMedium.__init__">source code</a></span>
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<span class="summary-type"> </span>
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<td><span class="summary-sig"><a href="flumotion.component.feed.FeedMedium-class.html#startConnecting" class="summary-sig-name">startConnecting</a>(<span class="summary-sig-arg">self</span>,
<span class="summary-sig-arg">host</span>,
<span class="summary-sig-arg">port</span>,
<span class="summary-sig-arg">authenticator</span>,
<span class="summary-sig-arg">timeout</span>=<span class="summary-sig-default">30</span>,
<span class="summary-sig-arg">bindAddress</span>=<span class="summary-sig-default">None</span>)</span><br />
Optional helper method to connect to a remote feed server.</td>
<td align="right" valign="top">
<span class="codelink"><a href="flumotion.component.feed-pysrc.html#FeedMedium.startConnecting">source code</a></span>
</td>
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<span class="summary-type"> </span>
</td><td class="summary">
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<tr>
<td><span class="summary-sig"><a href="flumotion.component.feed.FeedMedium-class.html#requestFeed" class="summary-sig-name">requestFeed</a>(<span class="summary-sig-arg">self</span>,
<span class="summary-sig-arg">host</span>,
<span class="summary-sig-arg">port</span>,
<span class="summary-sig-arg">authenticator</span>,
<span class="summary-sig-arg">fullFeedId</span>)</span><br />
Request a feed from a remote feed server.</td>
<td align="right" valign="top">
<span class="codelink"><a href="flumotion.component.feed-pysrc.html#FeedMedium.requestFeed">source code</a></span>
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<span class="summary-type"> </span>
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<tr>
<td><span class="summary-sig"><a href="flumotion.component.feed.FeedMedium-class.html#sendFeed" class="summary-sig-name">sendFeed</a>(<span class="summary-sig-arg">self</span>,
<span class="summary-sig-arg">host</span>,
<span class="summary-sig-arg">port</span>,
<span class="summary-sig-arg">authenticator</span>,
<span class="summary-sig-arg">fullFeedId</span>)</span><br />
Send a feed to a remote feed server.</td>
<td align="right" valign="top">
<span class="codelink"><a href="flumotion.component.feed-pysrc.html#FeedMedium.sendFeed">source code</a></span>
</td>
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<span class="summary-type"> </span>
</td><td class="summary">
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<tr>
<td><span class="summary-sig"><a href="flumotion.component.feed.FeedMedium-class.html#stopConnecting" class="summary-sig-name">stopConnecting</a>(<span class="summary-sig-arg">self</span>)</span><br />
Stop a pending or established connection made via startConnecting().</td>
<td align="right" valign="top">
<span class="codelink"><a href="flumotion.component.feed-pysrc.html#FeedMedium.stopConnecting">source code</a></span>
</td>
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<td width="15%" align="right" valign="top" class="summary">
<span class="summary-type"> </span>
</td><td class="summary">
<table width="100%" cellpadding="0" cellspacing="0" border="0">
<tr>
<td><span class="summary-sig"><a name="setRemoteReference"></a><span class="summary-sig-name">setRemoteReference</span>(<span class="summary-sig-arg">self</span>,
<span class="summary-sig-arg">remoteReference</span>)</span></td>
<td align="right" valign="top">
<span class="codelink"><a href="flumotion.component.feed-pysrc.html#FeedMedium.setRemoteReference">source code</a></span>
</td>
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<td width="15%" align="right" valign="top" class="summary">
<span class="summary-type"> </span>
</td><td class="summary">
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<tr>
<td><span class="summary-sig"><a name="hasRemoteReference"></a><span class="summary-sig-name">hasRemoteReference</span>(<span class="summary-sig-arg">self</span>)</span></td>
<td align="right" valign="top">
<span class="codelink"><a href="flumotion.component.feed-pysrc.html#FeedMedium.hasRemoteReference">source code</a></span>
</td>
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<td width="15%" align="right" valign="top" class="summary">
<span class="summary-type"> </span>
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<tr>
<td><span class="summary-sig"><a name="callRemote"></a><span class="summary-sig-name">callRemote</span>(<span class="summary-sig-arg">self</span>,
<span class="summary-sig-arg">name</span>,
<span class="summary-sig-arg">*args</span>,
<span class="summary-sig-arg">**kwargs</span>)</span></td>
<td align="right" valign="top">
<span class="codelink"><a href="flumotion.component.feed-pysrc.html#FeedMedium.callRemote">source code</a></span>
</td>
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<td width="15%" align="right" valign="top" class="summary">
<span class="summary-type"> </span>
</td><td class="summary">
<table width="100%" cellpadding="0" cellspacing="0" border="0">
<tr>
<td><span class="summary-sig"><a name="remote_sendFeedReply"></a><span class="summary-sig-name">remote_sendFeedReply</span>(<span class="summary-sig-arg">self</span>,
<span class="summary-sig-arg">fullFeedId</span>)</span></td>
<td align="right" valign="top">
<span class="codelink"><a href="flumotion.component.feed-pysrc.html#FeedMedium.remote_sendFeedReply">source code</a></span>
</td>
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<td width="15%" align="right" valign="top" class="summary">
<span class="summary-type"> </span>
</td><td class="summary">
<table width="100%" cellpadding="0" cellspacing="0" border="0">
<tr>
<td><span class="summary-sig"><a name="_doFeedTo"></a><span class="summary-sig-name">_doFeedTo</span>(<span class="summary-sig-arg">self</span>,
<span class="summary-sig-arg">fullFeedId</span>,
<span class="summary-sig-arg">t</span>)</span></td>
<td align="right" valign="top">
<span class="codelink"><a href="flumotion.component.feed-pysrc.html#FeedMedium._doFeedTo">source code</a></span>
</td>
</tr>
</table>
</td>
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<tr>
<td colspan="2" class="summary">
<p class="indent-wrapped-lines"><b>Inherited from <code><a href="flumotion.twisted.pb.Referenceable-class.html">twisted.pb.Referenceable</a></code></b>:
<code><a href="flumotion.twisted.pb.Referenceable-class.html#remoteMessageReceived">remoteMessageReceived</a></code>
</p>
<p class="indent-wrapped-lines"><b>Inherited from <code>twisted.spread.flavors.Referenceable</code></b>:
<code>jellyFor</code>
</p>
<p class="indent-wrapped-lines"><b>Inherited from <code>twisted.spread.flavors.Serializable</code></b>:
<code>processUniqueID</code>
</p>
<p class="indent-wrapped-lines"><b>Inherited from <code>twisted.spread.jelly.Jellyable</code></b>:
<code>__providedBy__</code>,
<code>getStateFor</code>
</p>
<p class="indent-wrapped-lines"><b>Inherited from <code><a href="flumotion.extern.log.log.Loggable-class.html">extern.log.log.Loggable</a></code></b>:
<code><a href="flumotion.extern.log.log.Loggable-class.html#debug">debug</a></code>,
<code><a href="flumotion.extern.log.log.Loggable-class.html#doLog">doLog</a></code>,
<code><a href="flumotion.extern.log.log.Loggable-class.html#error">error</a></code>,
<code><a href="flumotion.extern.log.log.Loggable-class.html#info">info</a></code>,
<code><a href="flumotion.extern.log.log.Loggable-class.html#log">log</a></code>,
<code><a href="flumotion.extern.log.log.Loggable-class.html#logFunction">logFunction</a></code>,
<code><a href="flumotion.extern.log.log.Loggable-class.html#logObjectName">logObjectName</a></code>,
<code><a href="flumotion.extern.log.log.Loggable-class.html#warning">warning</a></code>,
<code><a href="flumotion.extern.log.log.Loggable-class.html#warningFailure">warningFailure</a></code>,
<code><a href="flumotion.extern.log.log.Loggable-class.html#writeMarker">writeMarker</a></code>
</p>
</td>
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</table>
<!-- ==================== CLASS VARIABLES ==================== -->
<a name="section-ClassVariables"></a>
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<tr bgcolor="#70b0f0" class="table-header">
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<td align="left"><span class="table-header">Class Variables</span></td>
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<span class="summary-type"> </span>
</td><td class="summary">
<a name="logCategory"></a><span class="summary-name">logCategory</span> = <code title="'feedmedium'"><code class="variable-quote">'</code><code class="variable-string">feedmedium</code><code class="variable-quote">'</code></code><br />
Implementors can provide a category to log their messages under.
</td>
</tr>
<tr>
<td width="15%" align="right" valign="top" class="summary">
<span class="summary-type">str</span>
</td><td class="summary">
<a name="remoteLogName"></a><span class="summary-name">remoteLogName</span> = <code title="'feedserver'"><code class="variable-quote">'</code><code class="variable-string">feedserver</code><code class="variable-quote">'</code></code><br />
name to use to log the other side of the connection
</td>
</tr>
<tr>
<td width="15%" align="right" valign="top" class="summary">
<span class="summary-type"> </span>
</td><td class="summary">
<a href="flumotion.component.feed.FeedMedium-class.html#__implemented__" class="summary-name">__implemented__</a> = <code title="<implementedBy flumotion.component.feed.FeedMedium>"><implementedBy flumotion.component.feed.Feed<code class="variable-ellipsis">...</code></code>
</td>
</tr>
<tr>
<td width="15%" align="right" valign="top" class="summary">
<span class="summary-type"> </span>
</td><td class="summary">
<a href="flumotion.component.feed.FeedMedium-class.html#__provides__" class="summary-name">__provides__</a> = <code title="<zope.interface.declarations.ClassProvides object at 0x3048fd0>"><zope.interface.declarations.ClassProvides obje<code class="variable-ellipsis">...</code></code>
</td>
</tr>
<tr>
<td colspan="2" class="summary">
<p class="indent-wrapped-lines"><b>Inherited from <code>twisted.spread.flavors.Referenceable</code></b>:
<code>perspective</code>
</p>
</td>
</tr>
</table>
<!-- ==================== INSTANCE VARIABLES ==================== -->
<a name="section-InstanceVariables"></a>
<table class="summary" border="1" cellpadding="3"
cellspacing="0" width="100%" bgcolor="white">
<tr bgcolor="#70b0f0" class="table-header">
<td colspan="2" class="table-header">
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<td align="left"><span class="table-header">Instance Variables</span></td>
<td align="right" valign="top"
><span class="options">[<a href="#section-InstanceVariables"
class="privatelink" onclick="toggle_private();"
>hide private</a>]</span></td>
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<span class="summary-type"><code class="link">twisted.spread.pb.RemoteReference</code></span>
</td><td class="summary">
<a name="remote"></a><span class="summary-name">remote</span> = <code title="None">None</code><br />
a reference to a <a
href="flumotion.worker.feedserver.FeedAvatar-class.html"
class="link">flumotion.worker.feedserver.FeedAvatar</a>
</td>
</tr>
<tr>
<td width="15%" align="right" valign="top" class="summary">
<span class="summary-type"><a
href="flumotion.component.feedcomponent010.FeedComponent-class.html"
class="link">flumotion.component.feedcomponent.FeedComponent</a></span>
</td><td class="summary">
<a name="component"></a><span class="summary-name">component</span><br />
the component this is a feed client for
</td>
</tr>
</table>
<!-- ==================== METHOD DETAILS ==================== -->
<a name="section-MethodDetails"></a>
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cellspacing="0" width="100%" bgcolor="white">
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<td align="left"><span class="table-header">Method Details</span></td>
<td align="right" valign="top"
><span class="options">[<a href="#section-MethodDetails"
class="privatelink" onclick="toggle_private();"
>hide private</a>]</span></td>
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<a name="startConnecting"></a>
<div>
<table class="details" border="1" cellpadding="3"
cellspacing="0" width="100%" bgcolor="white">
<tr><td>
<table width="100%" cellpadding="0" cellspacing="0" border="0">
<tr valign="top"><td>
<h3 class="epydoc"><span class="sig"><span class="sig-name">startConnecting</span>(<span class="sig-arg">self</span>,
<span class="sig-arg">host</span>,
<span class="sig-arg">port</span>,
<span class="sig-arg">authenticator</span>,
<span class="sig-arg">timeout</span>=<span class="sig-default">30</span>,
<span class="sig-arg">bindAddress</span>=<span class="sig-default">None</span>)</span>
</h3>
</td><td align="right" valign="top"
><span class="codelink"><a href="flumotion.component.feed-pysrc.html#FeedMedium.startConnecting">source code</a></span>
</td>
</tr></table>
<p>Optional helper method to connect to a remote feed server.</p>
<p>This method starts a client factory connecting via a <a
href="flumotion.component.feed.PassableClientConnector-class.html"
class="link">PassableClientConnector</a>. It offers the possibility of
cancelling an in-progress connection via the stopConnecting() method.</p>
<dl class="fields">
<dt>Parameters:</dt>
<dd><ul class="nomargin-top">
<li><strong class="pname"><code>host</code></strong> (str) - the remote host name</li>
<li><strong class="pname"><code>port</code></strong> - the tcp port on which to connect @param port int</li>
<li><strong class="pname"><code>authenticator</code></strong> (<a href="flumotion.twisted.pb.Authenticator-class.html"
class="link">flumotion.twisted.pb.Authenticator</a>) - the authenticator, normally provided by the worker</li>
</ul></dd>
<dt>Returns:</dt>
<dd>a deferred that will fire with the remote reference, once we have
authenticated.</dd>
</dl>
</td></tr></table>
</div>
<a name="requestFeed"></a>
<div>
<table class="details" border="1" cellpadding="3"
cellspacing="0" width="100%" bgcolor="white">
<tr><td>
<table width="100%" cellpadding="0" cellspacing="0" border="0">
<tr valign="top"><td>
<h3 class="epydoc"><span class="sig"><span class="sig-name">requestFeed</span>(<span class="sig-arg">self</span>,
<span class="sig-arg">host</span>,
<span class="sig-arg">port</span>,
<span class="sig-arg">authenticator</span>,
<span class="sig-arg">fullFeedId</span>)</span>
</h3>
</td><td align="right" valign="top"
><span class="codelink"><a href="flumotion.component.feed-pysrc.html#FeedMedium.requestFeed">source code</a></span>
</td>
</tr></table>
<p>Request a feed from a remote feed server.</p>
<p>This helper method calls startConnecting() to make the connection and
authenticate, and will return the feed file descriptor or an error. A
pending connection attempt can be cancelled via stopConnecting().</p>
<dl class="fields">
<dt>Parameters:</dt>
<dd><ul class="nomargin-top">
<li><strong class="pname"><code>host</code></strong> (str) - the remote host name</li>
<li><strong class="pname"><code>port</code></strong> (int) - the tcp port on which to connect</li>
<li><strong class="pname"><code>authenticator</code></strong> (<a href="flumotion.twisted.pb.Authenticator-class.html"
class="link">flumotion.twisted.pb.Authenticator</a>) - the authenticator, normally provided by the worker</li>
<li><strong class="pname"><code>fullFeedId</code></strong> (str) - the full feed id (/flow/component:feed) offered by the remote
side</li>
</ul></dd>
<dt>Returns:</dt>
<dd>a deferred that, if successful, will fire with a pair (feedId,
fd). In an error case it will errback and close the remote
connection.</dd>
</dl>
</td></tr></table>
</div>
<a name="sendFeed"></a>
<div>
<table class="details" border="1" cellpadding="3"
cellspacing="0" width="100%" bgcolor="white">
<tr><td>
<table width="100%" cellpadding="0" cellspacing="0" border="0">
<tr valign="top"><td>
<h3 class="epydoc"><span class="sig"><span class="sig-name">sendFeed</span>(<span class="sig-arg">self</span>,
<span class="sig-arg">host</span>,
<span class="sig-arg">port</span>,
<span class="sig-arg">authenticator</span>,
<span class="sig-arg">fullFeedId</span>)</span>
</h3>
</td><td align="right" valign="top"
><span class="codelink"><a href="flumotion.component.feed-pysrc.html#FeedMedium.sendFeed">source code</a></span>
</td>
</tr></table>
<p>Send a feed to a remote feed server.</p>
<p>This helper method calls startConnecting() to make the connection and
authenticate, and will return the feed file descriptor or an error. A
pending connection attempt can be cancelled via stopConnecting().</p>
<dl class="fields">
<dt>Parameters:</dt>
<dd><ul class="nomargin-top">
<li><strong class="pname"><code>host</code></strong> (str) - the remote host name</li>
<li><strong class="pname"><code>port</code></strong> (int) - the tcp port on which to connect</li>
<li><strong class="pname"><code>authenticator</code></strong> (<a href="flumotion.twisted.pb.Authenticator-class.html"
class="link">flumotion.twisted.pb.Authenticator</a>) - the authenticator, normally provided by the worker</li>
<li><strong class="pname"><code>fullFeedId</code></strong> (str) - the full feed id (/flow/component:eaterAlias) to feed to on the
remote size</li>
</ul></dd>
<dt>Returns:</dt>
<dd>a deferred that, if successful, will fire with a pair (feedId,
fd). In an error case it will errback and close the remote
connection.</dd>
</dl>
</td></tr></table>
</div>
<a name="stopConnecting"></a>
<div>
<table class="details" border="1" cellpadding="3"
cellspacing="0" width="100%" bgcolor="white">
<tr><td>
<table width="100%" cellpadding="0" cellspacing="0" border="0">
<tr valign="top"><td>
<h3 class="epydoc"><span class="sig"><span class="sig-name">stopConnecting</span>(<span class="sig-arg">self</span>)</span>
</h3>
</td><td align="right" valign="top"
><span class="codelink"><a href="flumotion.component.feed-pysrc.html#FeedMedium.stopConnecting">source code</a></span>
</td>
</tr></table>
<p>Stop a pending or established connection made via
startConnecting().</p>
<p>Stops any established or pending connection to a remote feed server
started via the startConnecting() method. Safe to call even if connection
has not been started.</p>
<dl class="fields">
</dl>
</td></tr></table>
</div>
<br />
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<implementedBy flumotion.component.feed.FeedMedium>
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<zope.interface.declarations.ClassProvides object at 0x3048fd0>
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distrib
>
Mandriva
>
2010.1
>
x86_64
>
media
>
contrib-release
>
by-pkgid
>
2eca861f24be6048290ed27335ec22aa
>
files
>
772
