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    66. 

  66. <a href="#func-members">Functions</a>  </div>
    67. 

  67.   <div class="headertitle">
    68. 

  68. <div class="title">MQTTPacketOut.c File Reference</div>  </div>
    69. 

  69. </div><!--header-->
    70. 

  70. <div class="contents">
    71. 

  71. 

  72. <p>functions to deal with reading and writing of MQTT packets from and to sockets  
    73. 

  73. <a href="#details">More...</a></p>
    74. 

  74. <div class="textblock"><code>#include &quot;MQTTPacketOut.h&quot;</code><br />
    75. 

  75. <code>#include &quot;Log.h&quot;</code><br />
    76. 

  76. <code>#include &quot;StackTrace.h&quot;</code><br />
    77. 

  77. <code>#include &lt;string.h&gt;</code><br />
    78. 

  78. <code>#include &lt;stdlib.h&gt;</code><br />
    79. 

  79. <code>#include &quot;Heap.h&quot;</code><br />
    80. 

  80. </div><div class="textblock"><div class="dynheader">
    81. 

  81. Include dependency graph for MQTTPacketOut.c:</div>
    82. 

  82. <div class="dyncontent">
    83. 

  83. <div class="center"><img src="MQTTPacketOut_8c__incl.png" border="0" usemap="#MQTTPacketOut_8c" alt=""/></div>
    84. 

  84. <map name="MQTTPacketOut_8c" id="MQTTPacketOut_8c">
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  85. <area shape="rect" title="functions to deal with reading and writing of MQTT packets from and to sockets" alt="" coords="16,5,147,32"/>
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  86. <area shape="rect" title=" " alt="" coords="5,80,69,107"/>
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  88. </map>
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  89. </div>
    90. 

  90. </div><table class="memberdecls">
    91. 

  91. <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a>
    92. 

  92. Functions</h2></td></tr>
    93. 

  93. <tr class="memitem:ad3c3f0919760286998e9b9eafaa47a36"><td class="memItemLeft" align="right" valign="top">int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="MQTTPacketOut_8c.html#ad3c3f0919760286998e9b9eafaa47a36">MQTTPacket_send_connect</a> (<a class="el" href="structClients.html">Clients</a> *client, int MQTTVersion, <a class="el" href="structMQTTProperties.html">MQTTProperties</a> *connectProperties, <a class="el" href="structMQTTProperties.html">MQTTProperties</a> *willProperties)</td></tr>
    94. 

  94. <tr class="memdesc:ad3c3f0919760286998e9b9eafaa47a36"><td class="mdescLeft">&#160;</td><td class="mdescRight">Send an MQTT CONNECT packet down a socket for V5 or later.  <a href="MQTTPacketOut_8c.html#ad3c3f0919760286998e9b9eafaa47a36">More...</a><br /></td></tr>
    95. 

  95. <tr class="separator:ad3c3f0919760286998e9b9eafaa47a36"><td class="memSeparator" colspan="2">&#160;</td></tr>
    96. 

  96. <tr class="memitem:ad05dd32a547e82e0741d9d8279568a65"><td class="memItemLeft" align="right" valign="top">void *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="MQTTPacketOut_8c.html#ad05dd32a547e82e0741d9d8279568a65">MQTTPacket_connack</a> (int MQTTVersion, unsigned char aHeader, char *data, size_t datalen)</td></tr>
    97. 

  97. <tr class="memdesc:ad05dd32a547e82e0741d9d8279568a65"><td class="mdescLeft">&#160;</td><td class="mdescRight">Function used in the new packets table to create connack packets.  <a href="MQTTPacketOut_8c.html#ad05dd32a547e82e0741d9d8279568a65">More...</a><br /></td></tr>
    98. 

  98. <tr class="separator:ad05dd32a547e82e0741d9d8279568a65"><td class="memSeparator" colspan="2">&#160;</td></tr>
    99. 

  99. <tr class="memitem:a49e8e6789e17a29f5a448b8fab0a4137"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="MQTTPacketOut_8c.html#a49e8e6789e17a29f5a448b8fab0a4137">MQTTPacket_freeConnack</a> (<a class="el" href="structConnack.html">Connack</a> *pack)</td></tr>
    100. 

  100. <tr class="memdesc:a49e8e6789e17a29f5a448b8fab0a4137"><td class="mdescLeft">&#160;</td><td class="mdescRight">Free allocated storage for a connack packet.  <a href="MQTTPacketOut_8c.html#a49e8e6789e17a29f5a448b8fab0a4137">More...</a><br /></td></tr>
    101. 

  101. <tr class="separator:a49e8e6789e17a29f5a448b8fab0a4137"><td class="memSeparator" colspan="2">&#160;</td></tr>
    102. 

  102. <tr class="memitem:acf4b3402e224ac22ffbe74731f374fe0"><td class="memItemLeft" align="right" valign="top">int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="MQTTPacketOut_8c.html#acf4b3402e224ac22ffbe74731f374fe0">MQTTPacket_send_pingreq</a> (<a class="el" href="structnetworkHandles.html">networkHandles</a> *net, const char *clientID)</td></tr>
    103. 

  103. <tr class="memdesc:acf4b3402e224ac22ffbe74731f374fe0"><td class="mdescLeft">&#160;</td><td class="mdescRight">Send an MQTT PINGREQ packet down a socket.  <a href="MQTTPacketOut_8c.html#acf4b3402e224ac22ffbe74731f374fe0">More...</a><br /></td></tr>
    104. 

  104. <tr class="separator:acf4b3402e224ac22ffbe74731f374fe0"><td class="memSeparator" colspan="2">&#160;</td></tr>
    105. 

  105. <tr class="memitem:a90212ed29c311f52a1dce0617133b1a7"><td class="memItemLeft" align="right" valign="top">int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="MQTTPacketOut_8c.html#a90212ed29c311f52a1dce0617133b1a7">MQTTPacket_send_subscribe</a> (<a class="el" href="structList.html">List</a> *topics, <a class="el" href="structList.html">List</a> *qoss, <a class="el" href="structMQTTSubscribe__options.html">MQTTSubscribe_options</a> *opts, <a class="el" href="structMQTTProperties.html">MQTTProperties</a> *props, int msgid, int dup, <a class="el" href="structClients.html">Clients</a> *client)</td></tr>
    106. 

  106. <tr class="memdesc:a90212ed29c311f52a1dce0617133b1a7"><td class="mdescLeft">&#160;</td><td class="mdescRight">Send an MQTT subscribe packet down a socket.  <a href="MQTTPacketOut_8c.html#a90212ed29c311f52a1dce0617133b1a7">More...</a><br /></td></tr>
    107. 

  107. <tr class="separator:a90212ed29c311f52a1dce0617133b1a7"><td class="memSeparator" colspan="2">&#160;</td></tr>
    108. 

  108. <tr class="memitem:aee4b3e106128629671828ae7bfa70850"><td class="memItemLeft" align="right" valign="top">void *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="MQTTPacketOut_8c.html#aee4b3e106128629671828ae7bfa70850">MQTTPacket_suback</a> (int MQTTVersion, unsigned char aHeader, char *data, size_t datalen)</td></tr>
    109. 

  109. <tr class="memdesc:aee4b3e106128629671828ae7bfa70850"><td class="mdescLeft">&#160;</td><td class="mdescRight">Function used in the new packets table to create suback packets.  <a href="MQTTPacketOut_8c.html#aee4b3e106128629671828ae7bfa70850">More...</a><br /></td></tr>
    110. 

  110. <tr class="separator:aee4b3e106128629671828ae7bfa70850"><td class="memSeparator" colspan="2">&#160;</td></tr>
    111. 

  111. <tr class="memitem:a1ad4c9b76c6ab88c394ee925eb4dcd44"><td class="memItemLeft" align="right" valign="top">int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="MQTTPacketOut_8c.html#a1ad4c9b76c6ab88c394ee925eb4dcd44">MQTTPacket_send_unsubscribe</a> (<a class="el" href="structList.html">List</a> *topics, <a class="el" href="structMQTTProperties.html">MQTTProperties</a> *props, int msgid, int dup, <a class="el" href="structClients.html">Clients</a> *client)</td></tr>
    112. 

  112. <tr class="memdesc:a1ad4c9b76c6ab88c394ee925eb4dcd44"><td class="mdescLeft">&#160;</td><td class="mdescRight">Send an MQTT unsubscribe packet down a socket.  <a href="MQTTPacketOut_8c.html#a1ad4c9b76c6ab88c394ee925eb4dcd44">More...</a><br /></td></tr>
    113. 

  113. <tr class="separator:a1ad4c9b76c6ab88c394ee925eb4dcd44"><td class="memSeparator" colspan="2">&#160;</td></tr>
    114. 

  114. <tr class="memitem:a93f6aa4b23d30f6c8c5be87b0b58e37c"><td class="memItemLeft" align="right" valign="top">void *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="MQTTPacketOut_8c.html#a93f6aa4b23d30f6c8c5be87b0b58e37c">MQTTPacket_unsuback</a> (int MQTTVersion, unsigned char aHeader, char *data, size_t datalen)</td></tr>
    115. 

  115. <tr class="memdesc:a93f6aa4b23d30f6c8c5be87b0b58e37c"><td class="mdescLeft">&#160;</td><td class="mdescRight">Function used in the new packets table to create unsuback packets.  <a href="MQTTPacketOut_8c.html#a93f6aa4b23d30f6c8c5be87b0b58e37c">More...</a><br /></td></tr>
    116. 

  116. <tr class="separator:a93f6aa4b23d30f6c8c5be87b0b58e37c"><td class="memSeparator" colspan="2">&#160;</td></tr>
    117. 

  117. </table>
    118. 

  118. <a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
    119. 

  119. <div class="textblock"><p>functions to deal with reading and writing of MQTT packets from and to sockets </p>
    120. 

  120. <p>Some other related functions are in the <a class="el" href="structMQTTPacket.html" title="Data for a packet with header only.">MQTTPacket</a> module </p>
    121. 

  121. </div><h2 class="groupheader">Function Documentation</h2>
    122. 

  122. <a id="ad05dd32a547e82e0741d9d8279568a65"></a>
    123. 

  123. <h2 class="memtitle"><span class="permalink"><a href="#ad05dd32a547e82e0741d9d8279568a65">&#9670;&nbsp;</a></span>MQTTPacket_connack()</h2>
    124. 

  124. 

  125. <div class="memitem">
    126. 

  126. <div class="memproto">
    127. 

  127.       <table class="memname">
    128. 

  128.         <tr>
    129. 

  129.           <td class="memname">void* MQTTPacket_connack </td>
    130. 

  130.           <td>(</td>
    131. 

  131.           <td class="paramtype">int&#160;</td>
    132. 

  132.           <td class="paramname"><em>MQTTVersion</em>, </td>
    133. 

  133.         </tr>
    134. 

  134.         <tr>
    135. 

  135.           <td class="paramkey"></td>
    136. 

  136.           <td></td>
    137. 

  137.           <td class="paramtype">unsigned char&#160;</td>
    138. 

  138.           <td class="paramname"><em>aHeader</em>, </td>
    139. 

  139.         </tr>
    140. 

  140.         <tr>
    141. 

  141.           <td class="paramkey"></td>
    142. 

  142.           <td></td>
    143. 

  143.           <td class="paramtype">char *&#160;</td>
    144. 

  144.           <td class="paramname"><em>data</em>, </td>
    145. 

  145.         </tr>
    146. 

  146.         <tr>
    147. 

  147.           <td class="paramkey"></td>
    148. 

  148.           <td></td>
    149. 

  149.           <td class="paramtype">size_t&#160;</td>
    150. 

  150.           <td class="paramname"><em>datalen</em>&#160;</td>
    151. 

  151.         </tr>
    152. 

  152.         <tr>
    153. 

  153.           <td></td>
    154. 

  154.           <td>)</td>
    155. 

  155.           <td></td><td></td>
    156. 

  156.         </tr>
    157. 

  157.       </table>
    158. 

  158. </div><div class="memdoc">
    159. 

  159. 

  160. <p>Function used in the new packets table to create connack packets. </p>
    161. 

  161. <dl class="params"><dt>Parameters</dt><dd>
    162. 

  162.   <table class="params">
    163. 

  163.     <tr><td class="paramname">MQTTVersion</td><td>MQTT 5 or less? </td></tr>
    164. 

  164.     <tr><td class="paramname">aHeader</td><td>the MQTT header byte </td></tr>
    165. 

  165.     <tr><td class="paramname">data</td><td>the rest of the packet </td></tr>
    166. 

  166.     <tr><td class="paramname">datalen</td><td>the length of the rest of the packet </td></tr>
    167. 

  167.   </table>
    168. 

  168.   </dd>
    169. 

  169. </dl>
    170. 

  170. <dl class="section return"><dt>Returns</dt><dd>pointer to the packet structure </dd></dl>
    171. 

  171. <div class="dynheader">
    172. 

  172. Here is the call graph for this function:</div>
    173. 

  173. <div class="dyncontent">
    174. 

  174. <div class="center"><img src="MQTTPacketOut_8c_ad05dd32a547e82e0741d9d8279568a65_cgraph.png" border="0" usemap="#MQTTPacketOut_8c_ad05dd32a547e82e0741d9d8279568a65_cgraph" alt=""/></div>
    175. 

  175. <map name="MQTTPacketOut_8c_ad05dd32a547e82e0741d9d8279568a65_cgraph" id="MQTTPacketOut_8c_ad05dd32a547e82e0741d9d8279568a65_cgraph">
    176. 

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  177. <area shape="rect" href="MQTTPacket_8c.html#aff1d10b221f5b4ce421b4c2588cbe511" title="Reads one character from the input buffer." alt="" coords="209,5,284,32"/>
    178. 

  178. </map>
    179. 

  179. </div>
    180. 

  180. 

  181. </div>
    182. 

  182. </div>
    183. 

  183. <a id="a49e8e6789e17a29f5a448b8fab0a4137"></a>
    184. 

  184. <h2 class="memtitle"><span class="permalink"><a href="#a49e8e6789e17a29f5a448b8fab0a4137">&#9670;&nbsp;</a></span>MQTTPacket_freeConnack()</h2>
    185. 

  185. 

  186. <div class="memitem">
    187. 

  187. <div class="memproto">
    188. 

  188.       <table class="memname">
    189. 

  189.         <tr>
    190. 

  190.           <td class="memname">void MQTTPacket_freeConnack </td>
    191. 

  191.           <td>(</td>
    192. 

  192.           <td class="paramtype"><a class="el" href="structConnack.html">Connack</a> *&#160;</td>
    193. 

  193.           <td class="paramname"><em>pack</em></td><td>)</td>
    194. 

  194.           <td></td>
    195. 

  195.         </tr>
    196. 

  196.       </table>
    197. 

  197. </div><div class="memdoc">
    198. 

  198. 

  199. <p>Free allocated storage for a connack packet. </p>
    200. 

  200. <dl class="params"><dt>Parameters</dt><dd>
    201. 

  201.   <table class="params">
    202. 

  202.     <tr><td class="paramname">pack</td><td>pointer to the connack packet structure </td></tr>
    203. 

  203.   </table>
    204. 

  204.   </dd>
    205. 

  205. </dl>
    206. 

  206. 

  207. </div>
    208. 

  208. </div>
    209. 

  209. <a id="ad3c3f0919760286998e9b9eafaa47a36"></a>
    210. 

  210. <h2 class="memtitle"><span class="permalink"><a href="#ad3c3f0919760286998e9b9eafaa47a36">&#9670;&nbsp;</a></span>MQTTPacket_send_connect()</h2>
    211. 

  211. 

  212. <div class="memitem">
    213. 

  213. <div class="memproto">
    214. 

  214.       <table class="memname">
    215. 

  215.         <tr>
    216. 

  216.           <td class="memname">int MQTTPacket_send_connect </td>
    217. 

  217.           <td>(</td>
    218. 

  218.           <td class="paramtype"><a class="el" href="structClients.html">Clients</a> *&#160;</td>
    219. 

  219.           <td class="paramname"><em>client</em>, </td>
    220. 

  220.         </tr>
    221. 

  221.         <tr>
    222. 

  222.           <td class="paramkey"></td>
    223. 

  223.           <td></td>
    224. 

  224.           <td class="paramtype">int&#160;</td>
    225. 

  225.           <td class="paramname"><em>MQTTVersion</em>, </td>
    226. 

  226.         </tr>
    227. 

  227.         <tr>
    228. 

  228.           <td class="paramkey"></td>
    229. 

  229.           <td></td>
    230. 

  230.           <td class="paramtype"><a class="el" href="structMQTTProperties.html">MQTTProperties</a> *&#160;</td>
    231. 

  231.           <td class="paramname"><em>connectProperties</em>, </td>
    232. 

  232.         </tr>
    233. 

  233.         <tr>
    234. 

  234.           <td class="paramkey"></td>
    235. 

  235.           <td></td>
    236. 

  236.           <td class="paramtype"><a class="el" href="structMQTTProperties.html">MQTTProperties</a> *&#160;</td>
    237. 

  237.           <td class="paramname"><em>willProperties</em>&#160;</td>
    238. 

  238.         </tr>
    239. 

  239.         <tr>
    240. 

  240.           <td></td>
    241. 

  241.           <td>)</td>
    242. 

  242.           <td></td><td></td>
    243. 

  243.         </tr>
    244. 

  244.       </table>
    245. 

  245. </div><div class="memdoc">
    246. 

  246. 

  247. <p>Send an MQTT CONNECT packet down a socket for V5 or later. </p>
    248. 

  248. <dl class="params"><dt>Parameters</dt><dd>
    249. 

  249.   <table class="params">
    250. 

  250.     <tr><td class="paramname">client</td><td>a structure from which to get all the required values </td></tr>
    251. 

  251.     <tr><td class="paramname">MQTTVersion</td><td>the MQTT version to connect with </td></tr>
    252. 

  252.     <tr><td class="paramname">connectProperties</td><td>MQTT V5 properties for the connect packet </td></tr>
    253. 

  253.     <tr><td class="paramname">willProperties</td><td>MQTT V5 properties for the will message, if any </td></tr>
    254. 

  254.   </table>
    255. 

  255.   </dd>
    256. 

  256. </dl>
    257. 

  257. <dl class="section return"><dt>Returns</dt><dd>the completion code (e.g. TCPSOCKET_COMPLETE) </dd></dl>
    258. 

  258. <div class="dynheader">
    259. 

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  260. <div class="dyncontent">
    261. 

  261. <div class="center"><img src="MQTTPacketOut_8c_ad3c3f0919760286998e9b9eafaa47a36_cgraph.png" border="0" usemap="#MQTTPacketOut_8c_ad3c3f0919760286998e9b9eafaa47a36_cgraph" alt=""/></div>
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  274. </div>
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  275. 

  276. </div>
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  277. </div>
    278. 

  278. <a id="acf4b3402e224ac22ffbe74731f374fe0"></a>
    279. 

  279. <h2 class="memtitle"><span class="permalink"><a href="#acf4b3402e224ac22ffbe74731f374fe0">&#9670;&nbsp;</a></span>MQTTPacket_send_pingreq()</h2>
    280. 

  280. 

  281. <div class="memitem">
    282. 

  282. <div class="memproto">
    283. 

  283.       <table class="memname">
    284. 

  284.         <tr>
    285. 

  285.           <td class="memname">int MQTTPacket_send_pingreq </td>
    286. 

  286.           <td>(</td>
    287. 

  287.           <td class="paramtype"><a class="el" href="structnetworkHandles.html">networkHandles</a> *&#160;</td>
    288. 

  288.           <td class="paramname"><em>net</em>, </td>
    289. 

  289.         </tr>
    290. 

  290.         <tr>
    291. 

  291.           <td class="paramkey"></td>
    292. 

  292.           <td></td>
    293. 

  293.           <td class="paramtype">const char *&#160;</td>
    294. 

  294.           <td class="paramname"><em>clientID</em>&#160;</td>
    295. 

  295.         </tr>
    296. 

  296.         <tr>
    297. 

  297.           <td></td>
    298. 

  298.           <td>)</td>
    299. 

  299.           <td></td><td></td>
    300. 

  300.         </tr>
    301. 

  301.       </table>
    302. 

  302. </div><div class="memdoc">
    303. 

  303. 

  304. <p>Send an MQTT PINGREQ packet down a socket. </p>
    305. 

  305. <dl class="params"><dt>Parameters</dt><dd>
    306. 

  306.   <table class="params">
    307. 

  307.     <tr><td class="paramname">socket</td><td>the open socket to send the data to </td></tr>
    308. 

  308.     <tr><td class="paramname">clientID</td><td>the string client identifier, only used for tracing </td></tr>
    309. 

  309.   </table>
    310. 

  310.   </dd>
    311. 

  311. </dl>
    312. 

  312. <dl class="section return"><dt>Returns</dt><dd>the completion code (e.g. TCPSOCKET_COMPLETE) </dd></dl>
    313. 

  313. <div class="dynheader">
    314. 

  314. Here is the call graph for this function:</div>
    315. 

  315. <div class="dyncontent">
    316. 

  316. <div class="center"><img src="MQTTPacketOut_8c_acf4b3402e224ac22ffbe74731f374fe0_cgraph.png" border="0" usemap="#MQTTPacketOut_8c_acf4b3402e224ac22ffbe74731f374fe0_cgraph" alt=""/></div>
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  324. </map>
    325. 

  325. </div>
    326. 

  326. 

  327. </div>
    328. 

  328. </div>
    329. 

  329. <a id="a90212ed29c311f52a1dce0617133b1a7"></a>
    330. 

  330. <h2 class="memtitle"><span class="permalink"><a href="#a90212ed29c311f52a1dce0617133b1a7">&#9670;&nbsp;</a></span>MQTTPacket_send_subscribe()</h2>
    331. 

  331. 

  332. <div class="memitem">
    333. 

  333. <div class="memproto">
    334. 

  334.       <table class="memname">
    335. 

  335.         <tr>
    336. 

  336.           <td class="memname">int MQTTPacket_send_subscribe </td>
    337. 

  337.           <td>(</td>
    338. 

  338.           <td class="paramtype"><a class="el" href="structList.html">List</a> *&#160;</td>
    339. 

  339.           <td class="paramname"><em>topics</em>, </td>
    340. 

  340.         </tr>
    341. 

  341.         <tr>
    342. 

  342.           <td class="paramkey"></td>
    343. 

  343.           <td></td>
    344. 

  344.           <td class="paramtype"><a class="el" href="structList.html">List</a> *&#160;</td>
    345. 

  345.           <td class="paramname"><em>qoss</em>, </td>
    346. 

  346.         </tr>
    347. 

  347.         <tr>
    348. 

  348.           <td class="paramkey"></td>
    349. 

  349.           <td></td>
    350. 

  350.           <td class="paramtype"><a class="el" href="structMQTTSubscribe__options.html">MQTTSubscribe_options</a> *&#160;</td>
    351. 

  351.           <td class="paramname"><em>opts</em>, </td>
    352. 

  352.         </tr>
    353. 

  353.         <tr>
    354. 

  354.           <td class="paramkey"></td>
    355. 

  355.           <td></td>
    356. 

  356.           <td class="paramtype"><a class="el" href="structMQTTProperties.html">MQTTProperties</a> *&#160;</td>
    357. 

  357.           <td class="paramname"><em>props</em>, </td>
    358. 

  358.         </tr>
    359. 

  359.         <tr>
    360. 

  360.           <td class="paramkey"></td>
    361. 

  361.           <td></td>
    362. 

  362.           <td class="paramtype">int&#160;</td>
    363. 

  363.           <td class="paramname"><em>msgid</em>, </td>
    364. 

  364.         </tr>
    365. 

  365.         <tr>
    366. 

  366.           <td class="paramkey"></td>
    367. 

  367.           <td></td>
    368. 

  368.           <td class="paramtype">int&#160;</td>
    369. 

  369.           <td class="paramname"><em>dup</em>, </td>
    370. 

  370.         </tr>
    371. 

  371.         <tr>
    372. 

  372.           <td class="paramkey"></td>
    373. 

  373.           <td></td>
    374. 

  374.           <td class="paramtype"><a class="el" href="structClients.html">Clients</a> *&#160;</td>
    375. 

  375.           <td class="paramname"><em>client</em>&#160;</td>
    376. 

  376.         </tr>
    377. 

  377.         <tr>
    378. 

  378.           <td></td>
    379. 

  379.           <td>)</td>
    380. 

  380.           <td></td><td></td>
    381. 

  381.         </tr>
    382. 

  382.       </table>
    383. 

  383. </div><div class="memdoc">
    384. 

  384. 

  385. <p>Send an MQTT subscribe packet down a socket. </p>
    386. 

  386. <dl class="params"><dt>Parameters</dt><dd>
    387. 

  387.   <table class="params">
    388. 

  388.     <tr><td class="paramname">topics</td><td>list of topics </td></tr>
    389. 

  389.     <tr><td class="paramname">qoss</td><td>list of corresponding QoSs </td></tr>
    390. 

  390.     <tr><td class="paramname">msgid</td><td>the MQTT message id to use </td></tr>
    391. 

  391.     <tr><td class="paramname">dup</td><td>boolean - whether to set the MQTT DUP flag </td></tr>
    392. 

  392.     <tr><td class="paramname">socket</td><td>the open socket to send the data to </td></tr>
    393. 

  393.     <tr><td class="paramname">clientID</td><td>the string client identifier, only used for tracing </td></tr>
    394. 

  394.   </table>
    395. 

  395.   </dd>
    396. 

  396. </dl>
    397. 

  397. <dl class="section return"><dt>Returns</dt><dd>the completion code (e.g. TCPSOCKET_COMPLETE) </dd></dl>
    398. 

  398. <div class="dynheader">
    399. 

  399. Here is the call graph for this function:</div>
    400. 

  400. <div class="dyncontent">
    401. 

  401. <div class="center"><img src="MQTTPacketOut_8c_a90212ed29c311f52a1dce0617133b1a7_cgraph.png" border="0" usemap="#MQTTPacketOut_8c_a90212ed29c311f52a1dce0617133b1a7_cgraph" alt=""/></div>
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  413. </map>
    414. 

  414. </div>
    415. 

  415. 

  416. </div>
    417. 

  417. </div>
    418. 

  418. <a id="a1ad4c9b76c6ab88c394ee925eb4dcd44"></a>
    419. 

  419. <h2 class="memtitle"><span class="permalink"><a href="#a1ad4c9b76c6ab88c394ee925eb4dcd44">&#9670;&nbsp;</a></span>MQTTPacket_send_unsubscribe()</h2>
    420. 

  420. 

  421. <div class="memitem">
    422. 

  422. <div class="memproto">
    423. 

  423.       <table class="memname">
    424. 

  424.         <tr>
    425. 

  425.           <td class="memname">int MQTTPacket_send_unsubscribe </td>
    426. 

  426.           <td>(</td>
    427. 

  427.           <td class="paramtype"><a class="el" href="structList.html">List</a> *&#160;</td>
    428. 

  428.           <td class="paramname"><em>topics</em>, </td>
    429. 

  429.         </tr>
    430. 

  430.         <tr>
    431. 

  431.           <td class="paramkey"></td>
    432. 

  432.           <td></td>
    433. 

  433.           <td class="paramtype"><a class="el" href="structMQTTProperties.html">MQTTProperties</a> *&#160;</td>
    434. 

  434.           <td class="paramname"><em>props</em>, </td>
    435. 

  435.         </tr>
    436. 

  436.         <tr>
    437. 

  437.           <td class="paramkey"></td>
    438. 

  438.           <td></td>
    439. 

  439.           <td class="paramtype">int&#160;</td>
    440. 

  440.           <td class="paramname"><em>msgid</em>, </td>
    441. 

  441.         </tr>
    442. 

  442.         <tr>
    443. 

  443.           <td class="paramkey"></td>
    444. 

  444.           <td></td>
    445. 

  445.           <td class="paramtype">int&#160;</td>
    446. 

  446.           <td class="paramname"><em>dup</em>, </td>
    447. 

  447.         </tr>
    448. 

  448.         <tr>
    449. 

  449.           <td class="paramkey"></td>
    450. 

  450.           <td></td>
    451. 

  451.           <td class="paramtype"><a class="el" href="structClients.html">Clients</a> *&#160;</td>
    452. 

  452.           <td class="paramname"><em>client</em>&#160;</td>
    453. 

  453.         </tr>
    454. 

  454.         <tr>
    455. 

  455.           <td></td>
    456. 

  456.           <td>)</td>
    457. 

  457.           <td></td><td></td>
    458. 

  458.         </tr>
    459. 

  459.       </table>
    460. 

  460. </div><div class="memdoc">
    461. 

  461. 

  462. <p>Send an MQTT unsubscribe packet down a socket. </p>
    463. 

  463. <dl class="params"><dt>Parameters</dt><dd>
    464. 

  464.   <table class="params">
    465. 

  465.     <tr><td class="paramname">topics</td><td>list of topics </td></tr>
    466. 

  466.     <tr><td class="paramname">msgid</td><td>the MQTT message id to use </td></tr>
    467. 

  467.     <tr><td class="paramname">dup</td><td>boolean - whether to set the MQTT DUP flag </td></tr>
    468. 

  468.     <tr><td class="paramname">socket</td><td>the open socket to send the data to </td></tr>
    469. 

  469.     <tr><td class="paramname">clientID</td><td>the string client identifier, only used for tracing </td></tr>
    470. 

  470.   </table>
    471. 

  471.   </dd>
    472. 

  472. </dl>
    473. 

  473. <dl class="section return"><dt>Returns</dt><dd>the completion code (e.g. TCPSOCKET_COMPLETE) </dd></dl>
    474. 

  474. <div class="dynheader">
    475. 

  475. Here is the call graph for this function:</div>
    476. 

  476. <div class="dyncontent">
    477. 

  477. <div class="center"><img src="MQTTPacketOut_8c_a1ad4c9b76c6ab88c394ee925eb4dcd44_cgraph.png" border="0" usemap="#MQTTPacketOut_8c_a1ad4c9b76c6ab88c394ee925eb4dcd44_cgraph" alt=""/></div>
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  489. </div>
    490. 

  490. 

  491. </div>
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    493. 

  493. <a id="aee4b3e106128629671828ae7bfa70850"></a>
    494. 

  494. <h2 class="memtitle"><span class="permalink"><a href="#aee4b3e106128629671828ae7bfa70850">&#9670;&nbsp;</a></span>MQTTPacket_suback()</h2>
    495. 

  495. 

  496. <div class="memitem">
    497. 

  497. <div class="memproto">
    498. 

  498.       <table class="memname">
    499. 

  499.         <tr>
    500. 

  500.           <td class="memname">void* MQTTPacket_suback </td>
    501. 

  501.           <td>(</td>
    502. 

  502.           <td class="paramtype">int&#160;</td>
    503. 

  503.           <td class="paramname"><em>MQTTVersion</em>, </td>
    504. 

  504.         </tr>
    505. 

  505.         <tr>
    506. 

  506.           <td class="paramkey"></td>
    507. 

  507.           <td></td>
    508. 

  508.           <td class="paramtype">unsigned char&#160;</td>
    509. 

  509.           <td class="paramname"><em>aHeader</em>, </td>
    510. 

  510.         </tr>
    511. 

  511.         <tr>
    512. 

  512.           <td class="paramkey"></td>
    513. 

  513.           <td></td>
    514. 

  514.           <td class="paramtype">char *&#160;</td>
    515. 

  515.           <td class="paramname"><em>data</em>, </td>
    516. 

  516.         </tr>
    517. 

  517.         <tr>
    518. 

  518.           <td class="paramkey"></td>
    519. 

  519.           <td></td>
    520. 

  520.           <td class="paramtype">size_t&#160;</td>
    521. 

  521.           <td class="paramname"><em>datalen</em>&#160;</td>
    522. 

  522.         </tr>
    523. 

  523.         <tr>
    524. 

  524.           <td></td>
    525. 

  525.           <td>)</td>
    526. 

  526.           <td></td><td></td>
    527. 

  527.         </tr>
    528. 

  528.       </table>
    529. 

  529. </div><div class="memdoc">
    530. 

  530. 

  531. <p>Function used in the new packets table to create suback packets. </p>
    532. 

  532. <dl class="params"><dt>Parameters</dt><dd>
    533. 

  533.   <table class="params">
    534. 

  534.     <tr><td class="paramname">MQTTVersion</td><td>the version of MQTT </td></tr>
    535. 

  535.     <tr><td class="paramname">aHeader</td><td>the MQTT header byte </td></tr>
    536. 

  536.     <tr><td class="paramname">data</td><td>the rest of the packet </td></tr>
    537. 

  537.     <tr><td class="paramname">datalen</td><td>the length of the rest of the packet </td></tr>
    538. 

  538.   </table>
    539. 

  539.   </dd>
    540. 

  540. </dl>
    541. 

  541. <dl class="section return"><dt>Returns</dt><dd>pointer to the packet structure </dd></dl>
    542. 

  542. <div class="dynheader">
    543. 

  543. Here is the call graph for this function:</div>
    544. 

  544. <div class="dyncontent">
    545. 

  545. <div class="center"><img src="MQTTPacketOut_8c_aee4b3e106128629671828ae7bfa70850_cgraph.png" border="0" usemap="#MQTTPacketOut_8c_aee4b3e106128629671828ae7bfa70850_cgraph" alt=""/></div>
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  556. </map>
    557. 

  557. </div>
    558. 

  558. 

  559. </div>
    560. 

  560. </div>
    561. 

  561. <a id="a93f6aa4b23d30f6c8c5be87b0b58e37c"></a>
    562. 

  562. <h2 class="memtitle"><span class="permalink"><a href="#a93f6aa4b23d30f6c8c5be87b0b58e37c">&#9670;&nbsp;</a></span>MQTTPacket_unsuback()</h2>
    563. 

  563. 

  564. <div class="memitem">
    565. 

  565. <div class="memproto">
    566. 

  566.       <table class="memname">
    567. 

  567.         <tr>
    568. 

  568.           <td class="memname">void* MQTTPacket_unsuback </td>
    569. 

  569.           <td>(</td>
    570. 

  570.           <td class="paramtype">int&#160;</td>
    571. 

  571.           <td class="paramname"><em>MQTTVersion</em>, </td>
    572. 

  572.         </tr>
    573. 

  573.         <tr>
    574. 

  574.           <td class="paramkey"></td>
    575. 

  575.           <td></td>
    576. 

  576.           <td class="paramtype">unsigned char&#160;</td>
    577. 

  577.           <td class="paramname"><em>aHeader</em>, </td>
    578. 

  578.         </tr>
    579. 

  579.         <tr>
    580. 

  580.           <td class="paramkey"></td>
    581. 

  581.           <td></td>
    582. 

  582.           <td class="paramtype">char *&#160;</td>
    583. 

  583.           <td class="paramname"><em>data</em>, </td>
    584. 

  584.         </tr>
    585. 

  585.         <tr>
    586. 

  586.           <td class="paramkey"></td>
    587. 

  587.           <td></td>
    588. 

  588.           <td class="paramtype">size_t&#160;</td>
    589. 

  589.           <td class="paramname"><em>datalen</em>&#160;</td>
    590. 

  590.         </tr>
    591. 

  591.         <tr>
    592. 

  592.           <td></td>
    593. 

  593.           <td>)</td>
    594. 

  594.           <td></td><td></td>
    595. 

  595.         </tr>
    596. 

  596.       </table>
    597. 

  597. </div><div class="memdoc">
    598. 

  598. 

  599. <p>Function used in the new packets table to create unsuback packets. </p>
    600. 

  600. <dl class="params"><dt>Parameters</dt><dd>
    601. 

  601.   <table class="params">
    602. 

  602.     <tr><td class="paramname">MQTTVersion</td><td>the version of MQTT </td></tr>
    603. 

  603.     <tr><td class="paramname">aHeader</td><td>the MQTT header byte </td></tr>
    604. 

  604.     <tr><td class="paramname">data</td><td>the rest of the packet </td></tr>
    605. 

  605.     <tr><td class="paramname">datalen</td><td>the length of the rest of the packet </td></tr>
    606. 

  606.   </table>
    607. 

  607.   </dd>
    608. 

  608. </dl>
    609. 

  609. <dl class="section return"><dt>Returns</dt><dd>pointer to the packet structure </dd></dl>
    610. 

  610. <div class="dynheader">
    611. 

  611. Here is the call graph for this function:</div>
    612. 

  612. <div class="dyncontent">
    613. 

  613. <div class="center"><img src="MQTTPacketOut_8c_a93f6aa4b23d30f6c8c5be87b0b58e37c_cgraph.png" border="0" usemap="#MQTTPacketOut_8c_a93f6aa4b23d30f6c8c5be87b0b58e37c_cgraph" alt=""/></div>
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  614. <map name="MQTTPacketOut_8c_a93f6aa4b23d30f6c8c5be87b0b58e37c_cgraph" id="MQTTPacketOut_8c_a93f6aa4b23d30f6c8c5be87b0b58e37c_cgraph">
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    618. 

  618. <area shape="rect" href="LinkedList_8c.html#a27e2cccab9752618ead91eafbe2a9a46" title="Allocates and initializes a new list structure." alt="" coords="216,107,307,133"/>
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  624. </map>
    625. 

  625. </div>
    626. 

  626. 

  627. </div>
    628. 

  628. </div>
    629. 

  629. </div><!-- contents -->
    630. 

  630. <!-- start footer part -->
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