335 lines
19 KiB
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335 lines
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 <span id="projectnumber">1.22.0</span>
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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_server_async_reader.html">ServerAsyncReader</a></li> </ul>
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</div><!-- top -->
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<div class="header">
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<div class="summary">
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<a href="#pub-methods">Public Member Functions</a> </div>
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<div class="headertitle">
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<div class="title">grpc::ServerAsyncReader< W, R > Class Template Reference<span class="mlabels"><span class="mlabel">final</span></span></div> </div>
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</div><!--header-->
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<div class="contents">
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<p>Async server-side API for doing client-streaming RPCs, where the incoming message stream from the client has messages of type <em>R</em>, and the single response message sent from the server is type <em>W</em>.
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<a href="classgrpc_1_1_server_async_reader.html#details">More...</a></p>
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<p><code>#include <<a class="el" href="grpcpp_2impl_2codegen_2async__stream_8h_source.html">async_stream.h</a>></code></p>
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<table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a>
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Public Member Functions</h2></td></tr>
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<tr class="memitem:a7f351e1d526b250336402ee03b8cc75e"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classgrpc_1_1_server_async_reader.html#a7f351e1d526b250336402ee03b8cc75e">ServerAsyncReader</a> (<a class="el" href="namespacegrpc.html#a313a79de3d52893dd208c4efbf6662d2">ServerContext</a> *ctx)</td></tr>
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<tr class="separator:a7f351e1d526b250336402ee03b8cc75e"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a3158928c9f07d695b3deeb39e5dd0982"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classgrpc_1_1_server_async_reader.html#a3158928c9f07d695b3deeb39e5dd0982">SendInitialMetadata</a> (void *tag) override</td></tr>
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<tr class="memdesc:a3158928c9f07d695b3deeb39e5dd0982"><td class="mdescLeft"> </td><td class="mdescRight">See <em>ServerAsyncStreamingInterface::SendInitialMetadata</em> for semantics. <a href="#a3158928c9f07d695b3deeb39e5dd0982">More...</a><br /></td></tr>
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<tr class="separator:a3158928c9f07d695b3deeb39e5dd0982"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:aefbe83b79433a6ae85f9f1ce913997c1"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classgrpc_1_1_server_async_reader.html#aefbe83b79433a6ae85f9f1ce913997c1">Read</a> (R *msg, void *tag) override</td></tr>
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<tr class="memdesc:aefbe83b79433a6ae85f9f1ce913997c1"><td class="mdescLeft"> </td><td class="mdescRight">Read a message of type <em>R</em> into <em>msg</em>. <a href="#aefbe83b79433a6ae85f9f1ce913997c1">More...</a><br /></td></tr>
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<tr class="separator:aefbe83b79433a6ae85f9f1ce913997c1"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a0245b202e3b715f3994b80153c1b9272"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classgrpc_1_1_server_async_reader.html#a0245b202e3b715f3994b80153c1b9272">Finish</a> (const W &msg, const <a class="el" href="classgrpc_1_1_status.html">Status</a> &status, void *tag) override</td></tr>
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<tr class="memdesc:a0245b202e3b715f3994b80153c1b9272"><td class="mdescLeft"> </td><td class="mdescRight">See the <em><a class="el" href="classgrpc_1_1internal_1_1_async_reader_interface.html#adf87c602036d69158950b7299d0aae70" title="Read a message of type R into msg. ">ServerAsyncReaderInterface.Read</a></em> method for semantics. <a href="#a0245b202e3b715f3994b80153c1b9272">More...</a><br /></td></tr>
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<tr class="separator:a0245b202e3b715f3994b80153c1b9272"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a20ec38517bcca2f0aa3c3a6f635caa2b"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classgrpc_1_1_server_async_reader.html#a20ec38517bcca2f0aa3c3a6f635caa2b">FinishWithError</a> (const <a class="el" href="classgrpc_1_1_status.html">Status</a> &status, void *tag) override</td></tr>
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<tr class="memdesc:a20ec38517bcca2f0aa3c3a6f635caa2b"><td class="mdescLeft"> </td><td class="mdescRight">See the <em><a class="el" href="classgrpc_1_1internal_1_1_async_reader_interface.html#adf87c602036d69158950b7299d0aae70" title="Read a message of type R into msg. ">ServerAsyncReaderInterface.Read</a></em> method for semantics. <a href="#a20ec38517bcca2f0aa3c3a6f635caa2b">More...</a><br /></td></tr>
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<tr class="separator:a20ec38517bcca2f0aa3c3a6f635caa2b"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="inherit_header pub_methods_classgrpc_1_1internal_1_1_server_async_streaming_interface"><td colspan="2" onclick="javascript:toggleInherit('pub_methods_classgrpc_1_1internal_1_1_server_async_streaming_interface')"><img src="closed.png" alt="-"/> Public Member Functions inherited from <a class="el" href="classgrpc_1_1internal_1_1_server_async_streaming_interface.html">grpc::internal::ServerAsyncStreamingInterface</a></td></tr>
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<tr class="memitem:aeace2295f3792ce24975361c300d641a inherit pub_methods_classgrpc_1_1internal_1_1_server_async_streaming_interface"><td class="memItemLeft" align="right" valign="top">virtual </td><td class="memItemRight" valign="bottom"><a class="el" href="classgrpc_1_1internal_1_1_server_async_streaming_interface.html#aeace2295f3792ce24975361c300d641a">~ServerAsyncStreamingInterface</a> ()</td></tr>
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<tr class="separator:aeace2295f3792ce24975361c300d641a inherit pub_methods_classgrpc_1_1internal_1_1_server_async_streaming_interface"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="inherit_header pub_methods_classgrpc_1_1internal_1_1_async_reader_interface"><td colspan="2" onclick="javascript:toggleInherit('pub_methods_classgrpc_1_1internal_1_1_async_reader_interface')"><img src="closed.png" alt="-"/> Public Member Functions inherited from <a class="el" href="classgrpc_1_1internal_1_1_async_reader_interface.html">grpc::internal::AsyncReaderInterface< R ></a></td></tr>
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<tr class="memitem:a18fe4235232864c8770a562cc2aa1f3c inherit pub_methods_classgrpc_1_1internal_1_1_async_reader_interface"><td class="memItemLeft" align="right" valign="top">virtual </td><td class="memItemRight" valign="bottom"><a class="el" href="classgrpc_1_1internal_1_1_async_reader_interface.html#a18fe4235232864c8770a562cc2aa1f3c">~AsyncReaderInterface</a> ()</td></tr>
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<tr class="separator:a18fe4235232864c8770a562cc2aa1f3c inherit pub_methods_classgrpc_1_1internal_1_1_async_reader_interface"><td class="memSeparator" colspan="2"> </td></tr>
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</table>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
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<div class="textblock"><h3>template<class W, class R><br />
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class grpc::ServerAsyncReader< W, R ></h3>
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<p>Async server-side API for doing client-streaming RPCs, where the incoming message stream from the client has messages of type <em>R</em>, and the single response message sent from the server is type <em>W</em>. </p>
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</div><h2 class="groupheader">Constructor & Destructor Documentation</h2>
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<a id="a7f351e1d526b250336402ee03b8cc75e"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#a7f351e1d526b250336402ee03b8cc75e">◆ </a></span>ServerAsyncReader()</h2>
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template<class W , class R > </div>
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<td class="memname"><a class="el" href="classgrpc_1_1_server_async_reader.html">grpc::ServerAsyncReader</a>< W, R >::<a class="el" href="classgrpc_1_1_server_async_reader.html">ServerAsyncReader</a> </td>
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<td>(</td>
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<td class="paramtype"><a class="el" href="namespacegrpc.html#a313a79de3d52893dd208c4efbf6662d2">ServerContext</a> * </td>
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<td class="paramname"><em>ctx</em></td><td>)</td>
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<td></td>
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<td class="mlabels-right">
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<span class="mlabels"><span class="mlabel">inline</span><span class="mlabel">explicit</span></span> </td>
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</table>
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</div><div class="memdoc">
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<h2 class="groupheader">Member Function Documentation</h2>
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<a id="a0245b202e3b715f3994b80153c1b9272"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#a0245b202e3b715f3994b80153c1b9272">◆ </a></span>Finish()</h2>
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template<class W , class R > </div>
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<td class="memname">void <a class="el" href="classgrpc_1_1_server_async_reader.html">grpc::ServerAsyncReader</a>< W, R >::Finish </td>
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<td>(</td>
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<td class="paramtype">const W & </td>
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<td class="paramname"><em>msg</em>, </td>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">const <a class="el" href="classgrpc_1_1_status.html">Status</a> & </td>
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<td class="paramname"><em>status</em>, </td>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">void * </td>
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<td class="paramname"><em>tag</em> </td>
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<tr>
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<td></td>
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<td>)</td>
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<td></td><td></td>
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</td>
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<td class="mlabels-right">
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<span class="mlabels"><span class="mlabel">inline</span><span class="mlabel">override</span><span class="mlabel">virtual</span></span> </td>
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<p>See the <em><a class="el" href="classgrpc_1_1internal_1_1_async_reader_interface.html#adf87c602036d69158950b7299d0aae70" title="Read a message of type R into msg. ">ServerAsyncReaderInterface.Read</a></em> method for semantics. </p>
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<p>Side effect:</p><ul>
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<li>also sends initial metadata if not alreay sent.</li>
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<li>uses the <em>ServerContext</em> associated with this call to send possible initial and trailing metadata.</li>
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</ul>
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<p>Note: <em>msg</em> is not sent if <em>status</em> has a non-OK code.</p>
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<p>gRPC doesn't take ownership or a reference to <em>msg</em> and <em>status</em>, so it is safe to deallocate once Finish returns. </p>
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<p>Implements <a class="el" href="classgrpc_1_1_server_async_reader_interface.html#aad3ce656b43d5a8e2f2ce851514fc647">grpc::ServerAsyncReaderInterface< W, R ></a>.</p>
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</div>
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</div>
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<a id="a20ec38517bcca2f0aa3c3a6f635caa2b"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#a20ec38517bcca2f0aa3c3a6f635caa2b">◆ </a></span>FinishWithError()</h2>
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template<class W , class R > </div>
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<td class="memname">void <a class="el" href="classgrpc_1_1_server_async_reader.html">grpc::ServerAsyncReader</a>< W, R >::FinishWithError </td>
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<td>(</td>
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<td class="paramtype">const <a class="el" href="classgrpc_1_1_status.html">Status</a> & </td>
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<td class="paramname"><em>status</em>, </td>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">void * </td>
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<td class="paramname"><em>tag</em> </td>
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</tr>
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<tr>
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<td></td>
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<td>)</td>
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<td></td><td></td>
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</table>
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</td>
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<td class="mlabels-right">
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<span class="mlabels"><span class="mlabel">inline</span><span class="mlabel">override</span><span class="mlabel">virtual</span></span> </td>
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</tr>
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</div><div class="memdoc">
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<p>See the <em><a class="el" href="classgrpc_1_1internal_1_1_async_reader_interface.html#adf87c602036d69158950b7299d0aae70" title="Read a message of type R into msg. ">ServerAsyncReaderInterface.Read</a></em> method for semantics. </p>
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<p>Side effect:</p><ul>
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<li>also sends initial metadata if not alreay sent.</li>
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<li>uses the <em>ServerContext</em> associated with this call to send possible initial and trailing metadata.</li>
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</ul>
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<p>gRPC doesn't take ownership or a reference to <em>status</em>, so it is safe to to deallocate once FinishWithError returns. </p>
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<p>Implements <a class="el" href="classgrpc_1_1_server_async_reader_interface.html#a39c4168fd67c1658f8ddbbfc52c095d2">grpc::ServerAsyncReaderInterface< W, R ></a>.</p>
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<a id="aefbe83b79433a6ae85f9f1ce913997c1"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#aefbe83b79433a6ae85f9f1ce913997c1">◆ </a></span>Read()</h2>
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template<class W , class R > </div>
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<td class="memname">void <a class="el" href="classgrpc_1_1_server_async_reader.html">grpc::ServerAsyncReader</a>< W, R >::Read </td>
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<td>(</td>
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<td class="paramtype">R * </td>
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<td class="paramname"><em>msg</em>, </td>
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<td class="paramtype">void * </td>
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<td class="paramname"><em>tag</em> </td>
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<td>)</td>
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<span class="mlabels"><span class="mlabel">inline</span><span class="mlabel">override</span><span class="mlabel">virtual</span></span> </td>
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<p>Read a message of type <em>R</em> into <em>msg</em>. </p>
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<p>Completion will be notified by <em>tag</em> on the associated completion queue. This is thread-safe with respect to <em>Write</em> or <em>WritesDone</em> methods. It should not be called concurrently with other streaming APIs on the same stream. It is not meaningful to call it concurrently with another <em>AsyncReaderInterface::Read</em> on the same stream since reads on the same stream are delivered in order.</p>
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<dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramdir">[out]</td><td class="paramname">msg</td><td>Where to eventually store the read message. </td></tr>
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<tr><td class="paramdir">[in]</td><td class="paramname">tag</td><td>The tag identifying the operation.</td></tr>
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<p>Side effect: note that this method attempt to receive initial metadata for a stream if it hasn't yet been received. </p>
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<p>Implements <a class="el" href="classgrpc_1_1internal_1_1_async_reader_interface.html#adf87c602036d69158950b7299d0aae70">grpc::internal::AsyncReaderInterface< R ></a>.</p>
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<a id="a3158928c9f07d695b3deeb39e5dd0982"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#a3158928c9f07d695b3deeb39e5dd0982">◆ </a></span>SendInitialMetadata()</h2>
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template<class W , class R > </div>
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<td class="memname">void <a class="el" href="classgrpc_1_1_server_async_reader.html">grpc::ServerAsyncReader</a>< W, R >::SendInitialMetadata </td>
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<td>(</td>
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<td class="paramtype">void * </td>
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<td class="paramname"><em>tag</em></td><td>)</td>
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<span class="mlabels"><span class="mlabel">inline</span><span class="mlabel">override</span><span class="mlabel">virtual</span></span> </td>
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<p>See <em>ServerAsyncStreamingInterface::SendInitialMetadata</em> for semantics. </p>
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<p>Implicit input parameter:</p><ul>
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<li>The initial metadata that will be sent to the client from this op will be taken from the <em>ServerContext</em> associated with the call. </li>
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<p>Implements <a class="el" href="classgrpc_1_1internal_1_1_server_async_streaming_interface.html#ac55759faf2283db8bf716183881efe01">grpc::internal::ServerAsyncStreamingInterface</a>.</p>
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<hr/>The documentation for this class was generated from the following file:<ul>
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<li>include/grpcpp/impl/codegen/<a class="el" href="grpcpp_2impl_2codegen_2async__stream_8h_source.html">async_stream.h</a></li>
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