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241 lines
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<div id="projectname">NATS C Client with JetStream and Streaming support
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 <span id="projectnumber">3.6.1</span>
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<div id="projectbrief">The nats.io C Client, Supported by Synadia Communications Inc.</div>
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<a href="#func-members">Functions</a> </div>
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<div class="headertitle"><div class="title">Publishing<div class="ingroups"><a class="el" href="group__func_group.html">Functions</a> » <a class="el" href="group__stan_conn_group.html">Streaming Connection</a></div></div></div>
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Functions</h2></td></tr>
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<tr class="memitem:ga24f3f7f709b15fe53e1edaeead08fc7d"><td class="memItemLeft" align="right" valign="top"><a class="el" href="nats_8h.html#a3bc1b3fe7f64083e60c7c3b93f205bad">NATS_EXTERN</a> <a class="el" href="status_8h.html#a36c934157b663b7b5fb5d6609c897c80">natsStatus</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__stan_conn_pub_group.html#ga24f3f7f709b15fe53e1edaeead08fc7d">stanConnection_Publish</a> (<a class="el" href="group__types_group.html#ga9e826493769d23086cfccefe95cdf64c">stanConnection</a> *sc, const char *channel, const void *data, int dataLen)</td></tr>
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<tr class="memdesc:ga24f3f7f709b15fe53e1edaeead08fc7d"><td class="mdescLeft"> </td><td class="mdescRight">Publishes data on a channel. <br /></td></tr>
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<tr class="separator:ga24f3f7f709b15fe53e1edaeead08fc7d"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga0c4d1e4615f8ac834f0a4021f75d39f0"><td class="memItemLeft" align="right" valign="top"><a class="el" href="nats_8h.html#a3bc1b3fe7f64083e60c7c3b93f205bad">NATS_EXTERN</a> <a class="el" href="status_8h.html#a36c934157b663b7b5fb5d6609c897c80">natsStatus</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__stan_conn_pub_group.html#ga0c4d1e4615f8ac834f0a4021f75d39f0">stanConnection_PublishAsync</a> (<a class="el" href="group__types_group.html#ga9e826493769d23086cfccefe95cdf64c">stanConnection</a> *sc, const char *channel, const void *data, int dataLen, <a class="el" href="group__callbacks_group.html#gad5d6a685731b3bf635995b7375af4d18">stanPubAckHandler</a> ah, void *ahClosure)</td></tr>
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<tr class="memdesc:ga0c4d1e4615f8ac834f0a4021f75d39f0"><td class="mdescLeft"> </td><td class="mdescRight">Asynchronously publishes data on a channel. <br /></td></tr>
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<tr class="separator:ga0c4d1e4615f8ac834f0a4021f75d39f0"><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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<p>Publishing functions </p>
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<h2 class="groupheader">Function Documentation</h2>
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<a id="ga24f3f7f709b15fe53e1edaeead08fc7d" name="ga24f3f7f709b15fe53e1edaeead08fc7d"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#ga24f3f7f709b15fe53e1edaeead08fc7d">◆ </a></span>stanConnection_Publish()</h2>
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<div class="memitem">
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<tr>
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<td class="memname"><a class="el" href="nats_8h.html#a3bc1b3fe7f64083e60c7c3b93f205bad">NATS_EXTERN</a> <a class="el" href="status_8h.html#a36c934157b663b7b5fb5d6609c897c80">natsStatus</a> stanConnection_Publish </td>
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<td>(</td>
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<td class="paramtype"><a class="el" href="group__types_group.html#ga9e826493769d23086cfccefe95cdf64c">stanConnection</a> * </td>
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<td class="paramname"><em>sc</em>, </td>
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<td></td>
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<td class="paramtype">const char * </td>
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<td class="paramname"><em>channel</em>, </td>
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<td class="paramkey"></td>
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<td class="paramtype">const void * </td>
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<td class="paramname"><em>data</em>, </td>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">int </td>
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<td class="paramname"><em>dataLen</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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</div><div class="memdoc">
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<p>Publishes the data argument to the given channel. The data argument is left untouched and needs to be correctly interpreted on the receiver.</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="paramname">sc</td><td>the pointer to the <a class="el" href="group__types_group.html#ga9e826493769d23086cfccefe95cdf64c" title="A connection to a NATS Streaming Server.">stanConnection</a> object. </td></tr>
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<tr><td class="paramname">channel</td><td>the channel name the data is sent to. </td></tr>
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<tr><td class="paramname">data</td><td>the data to be sent, can be <code>NULL</code>. </td></tr>
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<tr><td class="paramname">dataLen</td><td>the length of the data to be sent. </td></tr>
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<a id="ga0c4d1e4615f8ac834f0a4021f75d39f0" name="ga0c4d1e4615f8ac834f0a4021f75d39f0"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#ga0c4d1e4615f8ac834f0a4021f75d39f0">◆ </a></span>stanConnection_PublishAsync()</h2>
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<td class="memname"><a class="el" href="nats_8h.html#a3bc1b3fe7f64083e60c7c3b93f205bad">NATS_EXTERN</a> <a class="el" href="status_8h.html#a36c934157b663b7b5fb5d6609c897c80">natsStatus</a> stanConnection_PublishAsync </td>
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<td>(</td>
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<td class="paramtype"><a class="el" href="group__types_group.html#ga9e826493769d23086cfccefe95cdf64c">stanConnection</a> * </td>
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<td class="paramname"><em>sc</em>, </td>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">const char * </td>
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<td class="paramname"><em>channel</em>, </td>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">const void * </td>
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<td class="paramname"><em>data</em>, </td>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">int </td>
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<td class="paramname"><em>dataLen</em>, </td>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype"><a class="el" href="group__callbacks_group.html#gad5d6a685731b3bf635995b7375af4d18">stanPubAckHandler</a> </td>
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<td class="paramname"><em>ah</em>, </td>
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<td class="paramkey"></td>
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<td class="paramtype">void * </td>
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<td class="paramname"><em>ahClosure</em> </td>
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<td></td>
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<td>)</td>
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<td></td><td></td>
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</div><div class="memdoc">
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<p>Publishes the data argument to the given channel. The data argument is left untouched and needs to be correctly interpreted on the receiver.</p>
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<p>This function does not wait for an acknowledgment back from the server. Instead, the library will invoke the provided callback when that acknowledgment comes.</p>
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<p>In order to correlate the acknowledgment with the published message, you can use the <code>ahClosure</code> since this will be passed to the <a class="el" href="group__callbacks_group.html#gad5d6a685731b3bf635995b7375af4d18" title="Callback used to notify of an asynchronous publish result.">stanPubAckHandler</a> on every invocation. In other words, you should use a unique closure for each published message.</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="paramname">sc</td><td>the pointer to the <a class="el" href="group__types_group.html#gaf88dca0a18efb5c5e994d265a9f04aec" title="A connection to a NATS Server.">natsConnection</a> object. </td></tr>
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<tr><td class="paramname">channel</td><td>the channel name the data is sent to. </td></tr>
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<tr><td class="paramname">data</td><td>the data to be sent, can be <code>NULL</code>. </td></tr>
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<tr><td class="paramname">dataLen</td><td>the length of the data to be sent. </td></tr>
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<tr><td class="paramname">ah</td><td>the publish acknowledgment callback. If <code>NULL</code> the user will not be notified of the publish result. </td></tr>
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<tr><td class="paramname">ahClosure</td><td>the closure the library will pass to the <code>ah</code> callback if one has been set. </td></tr>
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<div id="nav-path" class="navpath"><!-- id is needed for treeview function! -->
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<ul>
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<li class="footer">NATS.IO Supported By Synadia Communications Inc.
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<a href="http://www.nats.io">
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</a></li>
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