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<!DOCTYPE html><html lang="en">  <head>    <meta charset="utf-8" />    <meta name="viewport" content="width=device-width, initial-scale=1.0" />    <title>gRPC Channelz — gRPC Python 1.36.1 documentation</title>    <link rel="stylesheet" href="_static/pygments.css" type="text/css" />    <link rel="stylesheet" href="_static/alabaster.css" type="text/css" />    <script id="documentation_options" data-url_root="./" src="_static/documentation_options.js"></script>    <script src="_static/jquery.js"></script>    <script src="_static/underscore.js"></script>    <script src="_static/doctools.js"></script>    <link rel="index" title="Index" href="genindex.html" />    <link rel="search" title="Search" href="search.html" />    <link rel="next" title="gRPC Health Checking" href="grpc_health_checking.html" />    <link rel="prev" title="gRPC AsyncIO API" href="grpc_asyncio.html" />     <link rel="stylesheet" href="_static/custom.css" type="text/css" />      <meta name="viewport" content="width=device-width, initial-scale=0.9, maximum-scale=0.9" />  </head><body>  <div class="document">          <div class="sphinxsidebar" role="navigation" aria-label="main navigation">        <div class="sphinxsidebarwrapper"><h1 class="logo"><a href="index.html">gRPC Python</a></h1><p class="blurb">1.36.1</p><h3>Navigation</h3><p class="caption"><span class="caption-text">Contents:</span></p><ul class="current"><li class="toctree-l1"><a class="reference internal" href="grpc.html">gRPC</a></li><li class="toctree-l1"><a class="reference internal" href="grpc_asyncio.html">gRPC AsyncIO API</a></li><li class="toctree-l1 current"><a class="current reference internal" href="#">gRPC Channelz</a><ul><li class="toctree-l2"><a class="reference internal" href="#what-is-grpc-channelz">What is gRPC Channelz?</a></li><li class="toctree-l2"><a class="reference internal" href="#module-grpc_channelz.v1.channelz">Module Contents</a></li></ul></li><li class="toctree-l1"><a class="reference 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<input type="text" name="q" aria-labelledby="searchlabel" />      <input type="submit" value="Go" />    </form>    </div></div><script>$('#searchbox').show(0);</script>        </div>      </div>      <div class="documentwrapper">        <div class="bodywrapper">                    <div class="body" role="main">              <div class="section" id="grpc-channelz"><h1>gRPC Channelz<a class="headerlink" href="#grpc-channelz" title="Permalink to this headline">¶</a></h1><div class="section" id="what-is-grpc-channelz"><h2>What is gRPC Channelz?<a class="headerlink" href="#what-is-grpc-channelz" title="Permalink to this headline">¶</a></h2><p>Design Document <a class="reference external" href="https://github.com/grpc/proposal/blob/master/A14-channelz.md">gRPC Channelz</a></p></div><div class="section" id="module-grpc_channelz.v1.channelz"><span id="module-contents"></span><h2>Module Contents<a class="headerlink" href="#module-grpc_channelz.v1.channelz" title="Permalink to this headline">¶</a></h2><p>Channelz debug service implementation in gRPC Python.</p><dl class="py class"><dt id="grpc_channelz.v1.channelz.ChannelzServicer"><em class="property"><span class="pre">class</span> </em><code class="sig-prename descclassname"><span class="pre">grpc_channelz.v1.channelz.</span></code><code class="sig-name descname"><span class="pre">ChannelzServicer</span></code><a class="reference internal" href="_modules/grpc_channelz/v1/_servicer.html#ChannelzServicer"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#grpc_channelz.v1.channelz.ChannelzServicer" title="Permalink to this definition">¶</a></dt><dd><p>Servicer handling RPCs for service statuses.</p><dl class="py method"><dt id="grpc_channelz.v1.channelz.ChannelzServicer.GetChannel"><em class="property"><span class="pre">static</span> </em><code class="sig-name descname"><span class="pre">GetChannel</span></code><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">request</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">context</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="_modules/grpc_channelz/v1/_servicer.html#ChannelzServicer.GetChannel"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#grpc_channelz.v1.channelz.ChannelzServicer.GetChannel" title="Permalink to this definition">¶</a></dt><dd><p>Returns a single Channel, or else a NOT_FOUND code.</p></dd></dl><dl class="py method"><dt id="grpc_channelz.v1.channelz.ChannelzServicer.GetServer"><em class="property"><span class="pre">static</span> </em><code class="sig-name descname"><span class="pre">GetServer</span></code><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">request</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">context</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="_modules/grpc_channelz/v1/_servicer.html#ChannelzServicer.GetServer"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#grpc_channelz.v1.channelz.ChannelzServicer.GetServer" title="Permalink to this definition">¶</a></dt><dd><p>Returns a single Server, or else a NOT_FOUND code.</p></dd></dl><dl class="py method"><dt id="grpc_channelz.v1.channelz.ChannelzServicer.GetServerSockets"><em class="property"><span class="pre">static</span> </em><code class="sig-name descname"><span class="pre">GetServerSockets</span></code><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">request</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">context</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="_modules/grpc_channelz/v1/_servicer.html#ChannelzServicer.GetServerSockets"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#grpc_channelz.v1.channelz.ChannelzServicer.GetServerSockets" title="Permalink to this definition">¶</a></dt><dd><p>Gets all server sockets that exist in the process.</p></dd></dl><dl class="py method"><dt id="grpc_channelz.v1.channelz.ChannelzServicer.GetServers"><em class="property"><span class="pre">static</span> </em><code class="sig-name descname"><span class="pre">GetServers</span></code><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">request</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">context</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="_modules/grpc_channelz/v1/_servicer.html#ChannelzServicer.GetServers"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#grpc_channelz.v1.channelz.ChannelzServicer.GetServers" title="Permalink to this definition">¶</a></dt><dd><p>Gets all servers that exist in the process.</p></dd></dl><dl class="py method"><dt id="grpc_channelz.v1.channelz.ChannelzServicer.GetSocket"><em class="property"><span class="pre">static</span> </em><code class="sig-name descname"><span class="pre">GetSocket</span></code><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">request</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">context</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="_modules/grpc_channelz/v1/_servicer.html#ChannelzServicer.GetSocket"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#grpc_channelz.v1.channelz.ChannelzServicer.GetSocket" title="Permalink to this definition">¶</a></dt><dd><p>Returns a single Socket or else a NOT_FOUND code.</p></dd></dl><dl class="py method"><dt id="grpc_channelz.v1.channelz.ChannelzServicer.GetSubchannel"><em class="property"><span class="pre">static</span> </em><code class="sig-name descname"><span class="pre">GetSubchannel</span></code><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">request</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">context</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="_modules/grpc_channelz/v1/_servicer.html#ChannelzServicer.GetSubchannel"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#grpc_channelz.v1.channelz.ChannelzServicer.GetSubchannel" title="Permalink to this definition">¶</a></dt><dd><p>Returns a single Subchannel, or else a NOT_FOUND code.</p></dd></dl><dl class="py method"><dt id="grpc_channelz.v1.channelz.ChannelzServicer.GetTopChannels"><em class="property"><span class="pre">static</span> </em><code class="sig-name descname"><span class="pre">GetTopChannels</span></code><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">request</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">context</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="_modules/grpc_channelz/v1/_servicer.html#ChannelzServicer.GetTopChannels"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#grpc_channelz.v1.channelz.ChannelzServicer.GetTopChannels" title="Permalink to this definition">¶</a></dt><dd><p>Gets all root channels (i.e. channels the application has directlycreated). This does not include subchannels nor non-top level channels.</p></dd></dl></dd></dl><dl class="py function"><dt id="grpc_channelz.v1.channelz.add_channelz_servicer"><code class="sig-prename descclassname"><span class="pre">grpc_channelz.v1.channelz.</span></code><code class="sig-name descname"><span class="pre">add_channelz_servicer</span></code><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">server</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="_modules/grpc_channelz/v1/channelz.html#add_channelz_servicer"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#grpc_channelz.v1.channelz.add_channelz_servicer" title="Permalink to this definition">¶</a></dt><dd><p>Add Channelz servicer to a server.</p><p>Channelz servicer is in charge ofpulling information from C-Core for entire process. It will allow theserver to response to Channelz queries.</p><p>The Channelz statistic is enabled by default inside C-Core. Whether thestatistic is enabled or not is isolated from adding Channelz servicer.That means you can query Channelz info with a Channelz-disabled channel,and you can add Channelz servicer to a Channelz-disabled server.</p><p>The Channelz statistic can be enabled or disabled by channel option‘grpc.enable_channelz’. Set to 1 to enable, set to 0 to disable.</p><p>This is an EXPERIMENTAL API.</p><dl class="field-list simple"><dt class="field-odd">Parameters</dt><dd class="field-odd"><p><strong>server</strong> – A gRPC server to which Channelz service will be added.</p></dd></dl></dd></dl></div></div>          </div>                  </div>      </div>    <div class="clearer"></div>  </div>    <div class="footer">      ©2020, The gRPC Authors.            |      <a href="_sources/grpc_channelz.rst.txt"          rel="nofollow">Page source</a>    </div>            <script type="text/javascript">      var _gaq = _gaq || [];      _gaq.push(['_setAccount', 'UA-60127042-1']);      _gaq.push(['_setDomainName', 'none']);      _gaq.push(['_setAllowLinker', true]);      _gaq.push(['_trackPageview']);      (function() {        var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true;        ga.src = ('https:' == document.location.protocol ? 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