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  <h1>Source code for grpc_channelz.v1._servicer</h1><div class="highlight"><pre>
<span></span><span class="c1"># Copyright 2020 The gRPC Authors</span>
<span class="c1">#</span>
<span class="c1"># Licensed under the Apache License, Version 2.0 (the &quot;License&quot;);</span>
<span class="c1"># you may not use this file except in compliance with the License.</span>
<span class="c1"># You may obtain a copy of the License at</span>
<span class="c1">#</span>
<span class="c1">#     http://www.apache.org/licenses/LICENSE-2.0</span>
<span class="c1">#</span>
<span class="c1"># Unless required by applicable law or agreed to in writing, software</span>
<span class="c1"># distributed under the License is distributed on an &quot;AS IS&quot; BASIS,</span>
<span class="c1"># WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span>
<span class="c1"># See the License for the specific language governing permissions and</span>
<span class="c1"># limitations under the License.</span>
<span class="sd">&quot;&quot;&quot;Channelz debug service implementation in gRPC Python.&quot;&quot;&quot;</span>

<span class="kn">import</span> <span class="nn">grpc</span>
<span class="kn">from</span> <span class="nn">grpc._cython</span> <span class="kn">import</span> <span class="n">cygrpc</span>

<span class="kn">import</span> <span class="nn">grpc_channelz.v1.channelz_pb2</span> <span class="k">as</span> <span class="nn">_channelz_pb2</span>
<span class="kn">import</span> <span class="nn">grpc_channelz.v1.channelz_pb2_grpc</span> <span class="k">as</span> <span class="nn">_channelz_pb2_grpc</span>

<span class="kn">from</span> <span class="nn">google.protobuf</span> <span class="kn">import</span> <span class="n">json_format</span>


<div class="viewcode-block" id="ChannelzServicer"><a class="viewcode-back" href="../../../grpc_channelz.html#grpc_channelz.v1.channelz.ChannelzServicer">[docs]</a><span class="k">class</span> <span class="nc">ChannelzServicer</span><span class="p">(</span><span class="n">_channelz_pb2_grpc</span><span class="o">.</span><span class="n">ChannelzServicer</span><span class="p">):</span>
    <span class="sd">&quot;&quot;&quot;Servicer handling RPCs for service statuses.&quot;&quot;&quot;</span>

<div class="viewcode-block" id="ChannelzServicer.GetTopChannels"><a class="viewcode-back" href="../../../grpc_channelz.html#grpc_channelz.v1.channelz.ChannelzServicer.GetTopChannels">[docs]</a>    <span class="nd">@staticmethod</span>
    <span class="k">def</span> <span class="nf">GetTopChannels</span><span class="p">(</span><span class="n">request</span><span class="p">,</span> <span class="n">context</span><span class="p">):</span>
        <span class="k">try</span><span class="p">:</span>
            <span class="k">return</span> <span class="n">json_format</span><span class="o">.</span><span class="n">Parse</span><span class="p">(</span>
                <span class="n">cygrpc</span><span class="o">.</span><span class="n">channelz_get_top_channels</span><span class="p">(</span><span class="n">request</span><span class="o">.</span><span class="n">start_channel_id</span><span class="p">),</span>
                <span class="n">_channelz_pb2</span><span class="o">.</span><span class="n">GetTopChannelsResponse</span><span class="p">(),</span>
            <span class="p">)</span>
        <span class="k">except</span> <span class="p">(</span><span class="ne">ValueError</span><span class="p">,</span> <span class="n">json_format</span><span class="o">.</span><span class="n">ParseError</span><span class="p">)</span> <span class="k">as</span> <span class="n">e</span><span class="p">:</span>
            <span class="n">context</span><span class="o">.</span><span class="n">set_code</span><span class="p">(</span><span class="n">grpc</span><span class="o">.</span><span class="n">StatusCode</span><span class="o">.</span><span class="n">INTERNAL</span><span class="p">)</span>
            <span class="n">context</span><span class="o">.</span><span class="n">set_details</span><span class="p">(</span><span class="nb">str</span><span class="p">(</span><span class="n">e</span><span class="p">))</span></div>

<div class="viewcode-block" id="ChannelzServicer.GetServers"><a class="viewcode-back" href="../../../grpc_channelz.html#grpc_channelz.v1.channelz.ChannelzServicer.GetServers">[docs]</a>    <span class="nd">@staticmethod</span>
    <span class="k">def</span> <span class="nf">GetServers</span><span class="p">(</span><span class="n">request</span><span class="p">,</span> <span class="n">context</span><span class="p">):</span>
        <span class="k">try</span><span class="p">:</span>
            <span class="k">return</span> <span class="n">json_format</span><span class="o">.</span><span class="n">Parse</span><span class="p">(</span>
                <span class="n">cygrpc</span><span class="o">.</span><span class="n">channelz_get_servers</span><span class="p">(</span><span class="n">request</span><span class="o">.</span><span class="n">start_server_id</span><span class="p">),</span>
                <span class="n">_channelz_pb2</span><span class="o">.</span><span class="n">GetServersResponse</span><span class="p">(),</span>
            <span class="p">)</span>
        <span class="k">except</span> <span class="p">(</span><span class="ne">ValueError</span><span class="p">,</span> <span class="n">json_format</span><span class="o">.</span><span class="n">ParseError</span><span class="p">)</span> <span class="k">as</span> <span class="n">e</span><span class="p">:</span>
            <span class="n">context</span><span class="o">.</span><span class="n">set_code</span><span class="p">(</span><span class="n">grpc</span><span class="o">.</span><span class="n">StatusCode</span><span class="o">.</span><span class="n">INTERNAL</span><span class="p">)</span>
            <span class="n">context</span><span class="o">.</span><span class="n">set_details</span><span class="p">(</span><span class="nb">str</span><span class="p">(</span><span class="n">e</span><span class="p">))</span></div>

<div class="viewcode-block" id="ChannelzServicer.GetServer"><a class="viewcode-back" href="../../../grpc_channelz.html#grpc_channelz.v1.channelz.ChannelzServicer.GetServer">[docs]</a>    <span class="nd">@staticmethod</span>
    <span class="k">def</span> <span class="nf">GetServer</span><span class="p">(</span><span class="n">request</span><span class="p">,</span> <span class="n">context</span><span class="p">):</span>
        <span class="k">try</span><span class="p">:</span>
            <span class="k">return</span> <span class="n">json_format</span><span class="o">.</span><span class="n">Parse</span><span class="p">(</span>
                <span class="n">cygrpc</span><span class="o">.</span><span class="n">channelz_get_server</span><span class="p">(</span><span class="n">request</span><span class="o">.</span><span class="n">server_id</span><span class="p">),</span>
                <span class="n">_channelz_pb2</span><span class="o">.</span><span class="n">GetServerResponse</span><span class="p">(),</span>
            <span class="p">)</span>
        <span class="k">except</span> <span class="ne">ValueError</span> <span class="k">as</span> <span class="n">e</span><span class="p">:</span>
            <span class="n">context</span><span class="o">.</span><span class="n">set_code</span><span class="p">(</span><span class="n">grpc</span><span class="o">.</span><span class="n">StatusCode</span><span class="o">.</span><span class="n">NOT_FOUND</span><span class="p">)</span>
            <span class="n">context</span><span class="o">.</span><span class="n">set_details</span><span class="p">(</span><span class="nb">str</span><span class="p">(</span><span class="n">e</span><span class="p">))</span>
        <span class="k">except</span> <span class="n">json_format</span><span class="o">.</span><span class="n">ParseError</span> <span class="k">as</span> <span class="n">e</span><span class="p">:</span>
            <span class="n">context</span><span class="o">.</span><span class="n">set_code</span><span class="p">(</span><span class="n">grpc</span><span class="o">.</span><span class="n">StatusCode</span><span class="o">.</span><span class="n">INTERNAL</span><span class="p">)</span>
            <span class="n">context</span><span class="o">.</span><span class="n">set_details</span><span class="p">(</span><span class="nb">str</span><span class="p">(</span><span class="n">e</span><span class="p">))</span></div>

<div class="viewcode-block" id="ChannelzServicer.GetServerSockets"><a class="viewcode-back" href="../../../grpc_channelz.html#grpc_channelz.v1.channelz.ChannelzServicer.GetServerSockets">[docs]</a>    <span class="nd">@staticmethod</span>
    <span class="k">def</span> <span class="nf">GetServerSockets</span><span class="p">(</span><span class="n">request</span><span class="p">,</span> <span class="n">context</span><span class="p">):</span>
        <span class="k">try</span><span class="p">:</span>
            <span class="k">return</span> <span class="n">json_format</span><span class="o">.</span><span class="n">Parse</span><span class="p">(</span>
                <span class="n">cygrpc</span><span class="o">.</span><span class="n">channelz_get_server_sockets</span><span class="p">(</span><span class="n">request</span><span class="o">.</span><span class="n">server_id</span><span class="p">,</span>
                                                   <span class="n">request</span><span class="o">.</span><span class="n">start_socket_id</span><span class="p">,</span>
                                                   <span class="n">request</span><span class="o">.</span><span class="n">max_results</span><span class="p">),</span>
                <span class="n">_channelz_pb2</span><span class="o">.</span><span class="n">GetServerSocketsResponse</span><span class="p">(),</span>
            <span class="p">)</span>
        <span class="k">except</span> <span class="ne">ValueError</span> <span class="k">as</span> <span class="n">e</span><span class="p">:</span>
            <span class="n">context</span><span class="o">.</span><span class="n">set_code</span><span class="p">(</span><span class="n">grpc</span><span class="o">.</span><span class="n">StatusCode</span><span class="o">.</span><span class="n">NOT_FOUND</span><span class="p">)</span>
            <span class="n">context</span><span class="o">.</span><span class="n">set_details</span><span class="p">(</span><span class="nb">str</span><span class="p">(</span><span class="n">e</span><span class="p">))</span>
        <span class="k">except</span> <span class="n">json_format</span><span class="o">.</span><span class="n">ParseError</span> <span class="k">as</span> <span class="n">e</span><span class="p">:</span>
            <span class="n">context</span><span class="o">.</span><span class="n">set_code</span><span class="p">(</span><span class="n">grpc</span><span class="o">.</span><span class="n">StatusCode</span><span class="o">.</span><span class="n">INTERNAL</span><span class="p">)</span>
            <span class="n">context</span><span class="o">.</span><span class="n">set_details</span><span class="p">(</span><span class="nb">str</span><span class="p">(</span><span class="n">e</span><span class="p">))</span></div>

<div class="viewcode-block" id="ChannelzServicer.GetChannel"><a class="viewcode-back" href="../../../grpc_channelz.html#grpc_channelz.v1.channelz.ChannelzServicer.GetChannel">[docs]</a>    <span class="nd">@staticmethod</span>
    <span class="k">def</span> <span class="nf">GetChannel</span><span class="p">(</span><span class="n">request</span><span class="p">,</span> <span class="n">context</span><span class="p">):</span>
        <span class="k">try</span><span class="p">:</span>
            <span class="k">return</span> <span class="n">json_format</span><span class="o">.</span><span class="n">Parse</span><span class="p">(</span>
                <span class="n">cygrpc</span><span class="o">.</span><span class="n">channelz_get_channel</span><span class="p">(</span><span class="n">request</span><span class="o">.</span><span class="n">channel_id</span><span class="p">),</span>
                <span class="n">_channelz_pb2</span><span class="o">.</span><span class="n">GetChannelResponse</span><span class="p">(),</span>
            <span class="p">)</span>
        <span class="k">except</span> <span class="ne">ValueError</span> <span class="k">as</span> <span class="n">e</span><span class="p">:</span>
            <span class="n">context</span><span class="o">.</span><span class="n">set_code</span><span class="p">(</span><span class="n">grpc</span><span class="o">.</span><span class="n">StatusCode</span><span class="o">.</span><span class="n">NOT_FOUND</span><span class="p">)</span>
            <span class="n">context</span><span class="o">.</span><span class="n">set_details</span><span class="p">(</span><span class="nb">str</span><span class="p">(</span><span class="n">e</span><span class="p">))</span>
        <span class="k">except</span> <span class="n">json_format</span><span class="o">.</span><span class="n">ParseError</span> <span class="k">as</span> <span class="n">e</span><span class="p">:</span>
            <span class="n">context</span><span class="o">.</span><span class="n">set_code</span><span class="p">(</span><span class="n">grpc</span><span class="o">.</span><span class="n">StatusCode</span><span class="o">.</span><span class="n">INTERNAL</span><span class="p">)</span>
            <span class="n">context</span><span class="o">.</span><span class="n">set_details</span><span class="p">(</span><span class="nb">str</span><span class="p">(</span><span class="n">e</span><span class="p">))</span></div>

<div class="viewcode-block" id="ChannelzServicer.GetSubchannel"><a class="viewcode-back" href="../../../grpc_channelz.html#grpc_channelz.v1.channelz.ChannelzServicer.GetSubchannel">[docs]</a>    <span class="nd">@staticmethod</span>
    <span class="k">def</span> <span class="nf">GetSubchannel</span><span class="p">(</span><span class="n">request</span><span class="p">,</span> <span class="n">context</span><span class="p">):</span>
        <span class="k">try</span><span class="p">:</span>
            <span class="k">return</span> <span class="n">json_format</span><span class="o">.</span><span class="n">Parse</span><span class="p">(</span>
                <span class="n">cygrpc</span><span class="o">.</span><span class="n">channelz_get_subchannel</span><span class="p">(</span><span class="n">request</span><span class="o">.</span><span class="n">subchannel_id</span><span class="p">),</span>
                <span class="n">_channelz_pb2</span><span class="o">.</span><span class="n">GetSubchannelResponse</span><span class="p">(),</span>
            <span class="p">)</span>
        <span class="k">except</span> <span class="ne">ValueError</span> <span class="k">as</span> <span class="n">e</span><span class="p">:</span>
            <span class="n">context</span><span class="o">.</span><span class="n">set_code</span><span class="p">(</span><span class="n">grpc</span><span class="o">.</span><span class="n">StatusCode</span><span class="o">.</span><span class="n">NOT_FOUND</span><span class="p">)</span>
            <span class="n">context</span><span class="o">.</span><span class="n">set_details</span><span class="p">(</span><span class="nb">str</span><span class="p">(</span><span class="n">e</span><span class="p">))</span>
        <span class="k">except</span> <span class="n">json_format</span><span class="o">.</span><span class="n">ParseError</span> <span class="k">as</span> <span class="n">e</span><span class="p">:</span>
            <span class="n">context</span><span class="o">.</span><span class="n">set_code</span><span class="p">(</span><span class="n">grpc</span><span class="o">.</span><span class="n">StatusCode</span><span class="o">.</span><span class="n">INTERNAL</span><span class="p">)</span>
            <span class="n">context</span><span class="o">.</span><span class="n">set_details</span><span class="p">(</span><span class="nb">str</span><span class="p">(</span><span class="n">e</span><span class="p">))</span></div>

<div class="viewcode-block" id="ChannelzServicer.GetSocket"><a class="viewcode-back" href="../../../grpc_channelz.html#grpc_channelz.v1.channelz.ChannelzServicer.GetSocket">[docs]</a>    <span class="nd">@staticmethod</span>
    <span class="k">def</span> <span class="nf">GetSocket</span><span class="p">(</span><span class="n">request</span><span class="p">,</span> <span class="n">context</span><span class="p">):</span>
        <span class="k">try</span><span class="p">:</span>
            <span class="k">return</span> <span class="n">json_format</span><span class="o">.</span><span class="n">Parse</span><span class="p">(</span>
                <span class="n">cygrpc</span><span class="o">.</span><span class="n">channelz_get_socket</span><span class="p">(</span><span class="n">request</span><span class="o">.</span><span class="n">socket_id</span><span class="p">),</span>
                <span class="n">_channelz_pb2</span><span class="o">.</span><span class="n">GetSocketResponse</span><span class="p">(),</span>
            <span class="p">)</span>
        <span class="k">except</span> <span class="ne">ValueError</span> <span class="k">as</span> <span class="n">e</span><span class="p">:</span>
            <span class="n">context</span><span class="o">.</span><span class="n">set_code</span><span class="p">(</span><span class="n">grpc</span><span class="o">.</span><span class="n">StatusCode</span><span class="o">.</span><span class="n">NOT_FOUND</span><span class="p">)</span>
            <span class="n">context</span><span class="o">.</span><span class="n">set_details</span><span class="p">(</span><span class="nb">str</span><span class="p">(</span><span class="n">e</span><span class="p">))</span>
        <span class="k">except</span> <span class="n">json_format</span><span class="o">.</span><span class="n">ParseError</span> <span class="k">as</span> <span class="n">e</span><span class="p">:</span>
            <span class="n">context</span><span class="o">.</span><span class="n">set_code</span><span class="p">(</span><span class="n">grpc</span><span class="o">.</span><span class="n">StatusCode</span><span class="o">.</span><span class="n">INTERNAL</span><span class="p">)</span>
            <span class="n">context</span><span class="o">.</span><span class="n">set_details</span><span class="p">(</span><span class="nb">str</span><span class="p">(</span><span class="n">e</span><span class="p">))</span></div></div>
</pre></div>

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