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<li class="navelem"><a class="el" href="namespacegrpc.html">grpc</a></li><li class="navelem"><a class="el" href="classgrpc_1_1_channel_interface.html">ChannelInterface</a></li>  </ul>
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<p>Codegen interface for <em><a class="el" href="classgrpc_1_1_channel.html" title="Channels represent a connection to an endpoint. Created by CreateChannel. ">grpc::Channel</a></em>.  
 <a href="classgrpc_1_1_channel_interface.html#details">More...</a></p>

<p><code>#include &lt;<a class="el" href="channel__interface_8h_source.html">channel_interface.h</a>&gt;</code></p>
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a>
Public Member Functions</h2></td></tr>
<tr class="memitem:a3f5145d4778aa952540dc9983cefe13f"><td class="memItemLeft" align="right" valign="top">virtual&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classgrpc_1_1_channel_interface.html#a3f5145d4778aa952540dc9983cefe13f">~ChannelInterface</a> ()</td></tr>
<tr class="separator:a3f5145d4778aa952540dc9983cefe13f"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a68e987e7b87ca5a2668419736f9ee9b1"><td class="memItemLeft" align="right" valign="top">virtual grpc_connectivity_state&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classgrpc_1_1_channel_interface.html#a68e987e7b87ca5a2668419736f9ee9b1">GetState</a> (bool try_to_connect)=0</td></tr>
<tr class="memdesc:a68e987e7b87ca5a2668419736f9ee9b1"><td class="mdescLeft">&#160;</td><td class="mdescRight">Get the current channel state.  <a href="#a68e987e7b87ca5a2668419736f9ee9b1">More...</a><br/></td></tr>
<tr class="separator:a68e987e7b87ca5a2668419736f9ee9b1"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ac2e0a00712088ca461359a78eb0e2c69"><td class="memTemplParams" colspan="2">template&lt;typename T &gt; </td></tr>
<tr class="memitem:ac2e0a00712088ca461359a78eb0e2c69"><td class="memTemplItemLeft" align="right" valign="top">void&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="classgrpc_1_1_channel_interface.html#ac2e0a00712088ca461359a78eb0e2c69">NotifyOnStateChange</a> (grpc_connectivity_state last_observed, T deadline, <a class="el" href="classgrpc_1_1_completion_queue.html">CompletionQueue</a> *cq, void *tag)</td></tr>
<tr class="memdesc:ac2e0a00712088ca461359a78eb0e2c69"><td class="mdescLeft">&#160;</td><td class="mdescRight">Return the <em>tag</em> on <em>cq</em> when the channel state is changed or <em>deadline</em> expires.  <a href="#ac2e0a00712088ca461359a78eb0e2c69">More...</a><br/></td></tr>
<tr class="separator:ac2e0a00712088ca461359a78eb0e2c69"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a70567e7ea3d1a967ecf5ecdc220ac27e"><td class="memTemplParams" colspan="2">template&lt;typename T &gt; </td></tr>
<tr class="memitem:a70567e7ea3d1a967ecf5ecdc220ac27e"><td class="memTemplItemLeft" align="right" valign="top">bool&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="classgrpc_1_1_channel_interface.html#a70567e7ea3d1a967ecf5ecdc220ac27e">WaitForStateChange</a> (grpc_connectivity_state last_observed, T deadline)</td></tr>
<tr class="memdesc:a70567e7ea3d1a967ecf5ecdc220ac27e"><td class="mdescLeft">&#160;</td><td class="mdescRight">Blocking wait for channel state change or <em>deadline</em> expiration.  <a href="#a70567e7ea3d1a967ecf5ecdc220ac27e">More...</a><br/></td></tr>
<tr class="separator:a70567e7ea3d1a967ecf5ecdc220ac27e"><td class="memSeparator" colspan="2">&#160;</td></tr>
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Friends</h2></td></tr>
<tr class="memitem:ade499098cc91745c1c87147d7a7fb7bf"><td class="memTemplParams" colspan="2">template&lt;class R &gt; </td></tr>
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<tr class="memitem:a4aac0a120f3498d1151460ef89ce8446"><td class="memTemplParams" colspan="2">template&lt;class InputMessage , class OutputMessage &gt; </td></tr>
<tr class="memitem:a4aac0a120f3498d1151460ef89ce8446"><td class="memTemplItemLeft" align="right" valign="top"><a class="el" href="classgrpc_1_1_status.html">Status</a>&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="classgrpc_1_1_channel_interface.html#a4aac0a120f3498d1151460ef89ce8446">BlockingUnaryCall</a> (<a class="el" href="classgrpc_1_1_channel_interface.html">ChannelInterface</a> *channel, const <a class="el" href="classgrpc_1_1_rpc_method.html">RpcMethod</a> &amp;method, <a class="el" href="classgrpc_1_1_client_context.html">ClientContext</a> *context, const InputMessage &amp;request, OutputMessage *result)</td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>Codegen interface for <em><a class="el" href="classgrpc_1_1_channel.html" title="Channels represent a connection to an endpoint. Created by CreateChannel. ">grpc::Channel</a></em>. </p>
</div><h2 class="groupheader">Constructor &amp; Destructor Documentation</h2>
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          <td class="memname">virtual grpc::ChannelInterface::~ChannelInterface </td>
          <td>(</td>
          <td class="paramname"></td><td>)</td>
          <td></td>
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<span class="mlabels"><span class="mlabel">inline</span><span class="mlabel">virtual</span></span>  </td>
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<h2 class="groupheader">Member Function Documentation</h2>
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          <td class="memname">virtual grpc_connectivity_state grpc::ChannelInterface::GetState </td>
          <td>(</td>
          <td class="paramtype">bool&#160;</td>
          <td class="paramname"><em>try_to_connect</em></td><td>)</td>
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<p>Get the current channel state. </p>
<p>If the channel is in IDLE and <em>try_to_connect</em> is set to true, try to connect. </p>

<p>Implemented in <a class="el" href="classgrpc_1_1_channel.html#a6535c47d280d9b44fd74c9efcd93f9d8">grpc::Channel</a>.</p>

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template&lt;typename T &gt; </div>
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          <td class="memname">void grpc::ChannelInterface::NotifyOnStateChange </td>
          <td>(</td>
          <td class="paramtype">grpc_connectivity_state&#160;</td>
          <td class="paramname"><em>last_observed</em>, </td>
        </tr>
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          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">T&#160;</td>
          <td class="paramname"><em>deadline</em>, </td>
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          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype"><a class="el" href="classgrpc_1_1_completion_queue.html">CompletionQueue</a> *&#160;</td>
          <td class="paramname"><em>cq</em>, </td>
        </tr>
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          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">void *&#160;</td>
          <td class="paramname"><em>tag</em>&#160;</td>
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          <td></td>
          <td>)</td>
          <td></td><td></td>
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<p>Return the <em>tag</em> on <em>cq</em> when the channel state is changed or <em>deadline</em> expires. </p>
<p><em>GetState</em> needs to called to get the current state. </p>

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          <td class="memname">bool grpc::ChannelInterface::WaitForStateChange </td>
          <td>(</td>
          <td class="paramtype">grpc_connectivity_state&#160;</td>
          <td class="paramname"><em>last_observed</em>, </td>
        </tr>
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          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">T&#160;</td>
          <td class="paramname"><em>deadline</em>&#160;</td>
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          <td>)</td>
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<p>Blocking wait for channel state change or <em>deadline</em> expiration. </p>
<p><em>GetState</em> needs to called to get the current state. </p>

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<h2 class="groupheader">Friends And Related Function Documentation</h2>
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          <td class="memname">friend class ::<a class="el" href="classgrpc_1_1_client_async_reader.html">grpc::ClientAsyncReader</a></td>
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<span class="mlabels"><span class="mlabel">friend</span></span>  </td>
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template&lt;class InputMessage , class OutputMessage &gt; </div>
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          <td class="memname"><a class="el" href="classgrpc_1_1_status.html">Status</a> BlockingUnaryCall </td>
          <td>(</td>
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          <td class="paramname"><em>channel</em>, </td>
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          <td class="paramtype">OutputMessage *&#160;</td>
          <td class="paramname"><em>result</em>&#160;</td>
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          <td>)</td>
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<hr/>The documentation for this class was generated from the following file:<ul>
<li>include/grpc++/impl/codegen/<a class="el" href="channel__interface_8h_source.html">channel_interface.h</a></li>
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