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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.html">Channel</a></li>  </ul>
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<a href="#pub-methods">Public Member Functions</a> &#124;
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<p>Channels represent a connection to an endpoint. Created by <em>CreateChannel</em>.  
 <a href="classgrpc_1_1_channel.html#details">More...</a></p>

<p><code>#include &lt;<a class="el" href="grpcpp_2channel_8h_source.html">channel.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:af12754677a599351077d6f68cc0c9159"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classgrpc_1_1_channel.html#af12754677a599351077d6f68cc0c9159">~Channel</a> ()</td></tr>
<tr class="separator:af12754677a599351077d6f68cc0c9159"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a646d7a9d01f22037a72092d3a0bf159c"><td class="memItemLeft" align="right" valign="top"><a class="el" href="connectivity__state_8h.html#a065b65f5cdd062a67d82e2b6bcf68cf2">grpc_connectivity_state</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classgrpc_1_1_channel.html#a646d7a9d01f22037a72092d3a0bf159c">GetState</a> (bool try_to_connect) override</td></tr>
<tr class="memdesc:a646d7a9d01f22037a72092d3a0bf159c"><td class="mdescLeft">&#160;</td><td class="mdescRight">Get the current channel state.  <a href="#a646d7a9d01f22037a72092d3a0bf159c">More...</a><br /></td></tr>
<tr class="separator:a646d7a9d01f22037a72092d3a0bf159c"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a2cfba5ae4aae03ca016f902b2070a8a8"><td class="memItemLeft" align="right" valign="top"><a class="el" href="namespacegrpc.html#ab04a87625da3bf85cdaf5e7856b00203">grpc::string</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classgrpc_1_1_channel.html#a2cfba5ae4aae03ca016f902b2070a8a8">GetLoadBalancingPolicyName</a> () const</td></tr>
<tr class="memdesc:a2cfba5ae4aae03ca016f902b2070a8a8"><td class="mdescLeft">&#160;</td><td class="mdescRight">Returns the LB policy name, or the empty string if not yet available.  <a href="#a2cfba5ae4aae03ca016f902b2070a8a8">More...</a><br /></td></tr>
<tr class="separator:a2cfba5ae4aae03ca016f902b2070a8a8"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:adeb2242c598bcc5179c90148eb0e289f"><td class="memItemLeft" align="right" valign="top"><a class="el" href="namespacegrpc.html#ab04a87625da3bf85cdaf5e7856b00203">grpc::string</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classgrpc_1_1_channel.html#adeb2242c598bcc5179c90148eb0e289f">GetServiceConfigJSON</a> () const</td></tr>
<tr class="memdesc:adeb2242c598bcc5179c90148eb0e289f"><td class="mdescLeft">&#160;</td><td class="mdescRight">Returns the service config in JSON form, or the empty string if not available.  <a href="#adeb2242c598bcc5179c90148eb0e289f">More...</a><br /></td></tr>
<tr class="separator:adeb2242c598bcc5179c90148eb0e289f"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="inherit_header pub_methods_classgrpc_1_1_channel_interface"><td colspan="2" onclick="javascript:toggleInherit('pub_methods_classgrpc_1_1_channel_interface')"><img src="closed.png" alt="-"/>&#160;Public Member Functions inherited from <a class="el" href="classgrpc_1_1_channel_interface.html">grpc::ChannelInterface</a></td></tr>
<tr class="memitem:a3f5145d4778aa952540dc9983cefe13f inherit pub_methods_classgrpc_1_1_channel_interface"><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 inherit pub_methods_classgrpc_1_1_channel_interface"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ac2e0a00712088ca461359a78eb0e2c69 inherit pub_methods_classgrpc_1_1_channel_interface"><td class="memTemplParams" colspan="2">template&lt;typename T &gt; </td></tr>
<tr class="memitem:ac2e0a00712088ca461359a78eb0e2c69 inherit pub_methods_classgrpc_1_1_channel_interface"><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> (<a class="el" href="connectivity__state_8h.html#a065b65f5cdd062a67d82e2b6bcf68cf2">grpc_connectivity_state</a> 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 inherit pub_methods_classgrpc_1_1_channel_interface"><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="classgrpc_1_1_channel_interface.html#ac2e0a00712088ca461359a78eb0e2c69">More...</a><br /></td></tr>
<tr class="separator:ac2e0a00712088ca461359a78eb0e2c69 inherit pub_methods_classgrpc_1_1_channel_interface"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a70567e7ea3d1a967ecf5ecdc220ac27e inherit pub_methods_classgrpc_1_1_channel_interface"><td class="memTemplParams" colspan="2">template&lt;typename T &gt; </td></tr>
<tr class="memitem:a70567e7ea3d1a967ecf5ecdc220ac27e inherit pub_methods_classgrpc_1_1_channel_interface"><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> (<a class="el" href="connectivity__state_8h.html#a065b65f5cdd062a67d82e2b6bcf68cf2">grpc_connectivity_state</a> last_observed, T deadline)</td></tr>
<tr class="memdesc:a70567e7ea3d1a967ecf5ecdc220ac27e inherit pub_methods_classgrpc_1_1_channel_interface"><td class="mdescLeft">&#160;</td><td class="mdescRight">Blocking wait for channel state change or <em>deadline</em> expiration.  <a href="classgrpc_1_1_channel_interface.html#a70567e7ea3d1a967ecf5ecdc220ac27e">More...</a><br /></td></tr>
<tr class="separator:a70567e7ea3d1a967ecf5ecdc220ac27e inherit pub_methods_classgrpc_1_1_channel_interface"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a31d360cd218614814d68e01e07ce55cc inherit pub_methods_classgrpc_1_1_channel_interface"><td class="memTemplParams" colspan="2">template&lt;typename T &gt; </td></tr>
<tr class="memitem:a31d360cd218614814d68e01e07ce55cc inherit pub_methods_classgrpc_1_1_channel_interface"><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#a31d360cd218614814d68e01e07ce55cc">WaitForConnected</a> (T deadline)</td></tr>
<tr class="memdesc:a31d360cd218614814d68e01e07ce55cc inherit pub_methods_classgrpc_1_1_channel_interface"><td class="mdescLeft">&#160;</td><td class="mdescRight">Wait for this channel to be connected.  <a href="classgrpc_1_1_channel_interface.html#a31d360cd218614814d68e01e07ce55cc">More...</a><br /></td></tr>
<tr class="separator:a31d360cd218614814d68e01e07ce55cc inherit pub_methods_classgrpc_1_1_channel_interface"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="inherit_header pub_methods_classgrpc_1_1internal_1_1_call_hook"><td colspan="2" onclick="javascript:toggleInherit('pub_methods_classgrpc_1_1internal_1_1_call_hook')"><img src="closed.png" alt="-"/>&#160;Public Member Functions inherited from <a class="el" href="classgrpc_1_1internal_1_1_call_hook.html">grpc::internal::CallHook</a></td></tr>
<tr class="memitem:a351f3060b7d6378dabcec53d21842487 inherit pub_methods_classgrpc_1_1internal_1_1_call_hook"><td class="memItemLeft" align="right" valign="top">virtual&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classgrpc_1_1internal_1_1_call_hook.html#a351f3060b7d6378dabcec53d21842487">~CallHook</a> ()</td></tr>
<tr class="separator:a351f3060b7d6378dabcec53d21842487 inherit pub_methods_classgrpc_1_1internal_1_1_call_hook"><td class="memSeparator" colspan="2">&#160;</td></tr>
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="friends"></a>
Friends</h2></td></tr>
<tr class="memitem:a9d3d75894c094247a6a89bdd9d9c068d"><td class="memTemplParams" colspan="2">template&lt;class InputMessage , class OutputMessage &gt; </td></tr>
<tr class="memitem:a9d3d75894c094247a6a89bdd9d9c068d"><td class="memTemplItemLeft" align="right" valign="top">class&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="classgrpc_1_1_channel.html#a9d3d75894c094247a6a89bdd9d9c068d">internal::BlockingUnaryCallImpl</a></td></tr>
<tr class="separator:a9d3d75894c094247a6a89bdd9d9c068d"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:acac59a2ab862b1c60832640b741e6440"><td class="memItemLeft" align="right" valign="top">std::shared_ptr&lt; <a class="el" href="classgrpc_1_1_channel.html">Channel</a> &gt;&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classgrpc_1_1_channel.html#acac59a2ab862b1c60832640b741e6440">CreateChannelInternal</a> (const <a class="el" href="namespacegrpc.html#ab04a87625da3bf85cdaf5e7856b00203">grpc::string</a> &amp;host, <a class="el" href="grpc__types_8h.html#a432bfa6b9f6603643cdf9de8804c254e">grpc_channel</a> *c_channel)</td></tr>
<tr class="separator:acac59a2ab862b1c60832640b741e6440"><td class="memSeparator" colspan="2">&#160;</td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>Channels represent a connection to an endpoint. Created by <em>CreateChannel</em>. </p>
</div><h2 class="groupheader">Constructor &amp; Destructor Documentation</h2>
<a id="af12754677a599351077d6f68cc0c9159"></a>
<h2 class="memtitle"><span class="permalink"><a href="#af12754677a599351077d6f68cc0c9159">&#9670;&nbsp;</a></span>~Channel()</h2>

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          <td class="memname">grpc::Channel::~Channel </td>
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<h2 class="groupheader">Member Function Documentation</h2>
<a id="a2cfba5ae4aae03ca016f902b2070a8a8"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a2cfba5ae4aae03ca016f902b2070a8a8">&#9670;&nbsp;</a></span>GetLoadBalancingPolicyName()</h2>

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          <td class="memname"><a class="el" href="namespacegrpc.html#ab04a87625da3bf85cdaf5e7856b00203">grpc::string</a> grpc::Channel::GetLoadBalancingPolicyName </td>
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<p>Returns the LB policy name, or the empty string if not yet available. </p>

</div>
</div>
<a id="adeb2242c598bcc5179c90148eb0e289f"></a>
<h2 class="memtitle"><span class="permalink"><a href="#adeb2242c598bcc5179c90148eb0e289f">&#9670;&nbsp;</a></span>GetServiceConfigJSON()</h2>

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          <td class="memname"><a class="el" href="namespacegrpc.html#ab04a87625da3bf85cdaf5e7856b00203">grpc::string</a> grpc::Channel::GetServiceConfigJSON </td>
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<p>Returns the service config in JSON form, or the empty string if not available. </p>

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<a id="a646d7a9d01f22037a72092d3a0bf159c"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a646d7a9d01f22037a72092d3a0bf159c">&#9670;&nbsp;</a></span>GetState()</h2>

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          <td class="memname"><a class="el" href="connectivity__state_8h.html#a065b65f5cdd062a67d82e2b6bcf68cf2">grpc_connectivity_state</a> grpc::Channel::GetState </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>Implements <a class="el" href="classgrpc_1_1_channel_interface.html#a68e987e7b87ca5a2668419736f9ee9b1">grpc::ChannelInterface</a>.</p>

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<h2 class="groupheader">Friends And Related Function Documentation</h2>
<a id="acac59a2ab862b1c60832640b741e6440"></a>
<h2 class="memtitle"><span class="permalink"><a href="#acac59a2ab862b1c60832640b741e6440">&#9670;&nbsp;</a></span>CreateChannelInternal</h2>

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          <td class="memname">std::shared_ptr&lt;<a class="el" href="classgrpc_1_1_channel.html">Channel</a>&gt; CreateChannelInternal </td>
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<span class="mlabels"><span class="mlabel">friend</span></span>  </td>
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<a id="a9d3d75894c094247a6a89bdd9d9c068d"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a9d3d75894c094247a6a89bdd9d9c068d">&#9670;&nbsp;</a></span>internal::BlockingUnaryCallImpl</h2>

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template&lt;class InputMessage , class OutputMessage &gt; </div>
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          <td class="memname">friend class <a class="el" href="classgrpc_1_1internal_1_1_blocking_unary_call_impl.html">internal::BlockingUnaryCallImpl</a></td>
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<span class="mlabels"><span class="mlabel">friend</span></span>  </td>
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<hr/>The documentation for this class was generated from the following file:<ul>
<li>include/grpcpp/<a class="el" href="grpcpp_2channel_8h_source.html">channel.h</a></li>
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