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| <div class="title">iclient_persistence.h</div> </div> |
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| <div class="contents"> |
| <a href="iclient__persistence_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> </div> |
| <div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment">/*******************************************************************************</span></div> |
| <div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"> * Copyright (c) 2013-2016 Frank Pagliughi <fpagliughi@mindspring.com></span></div> |
| <div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> *</span></div> |
| <div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> * All rights reserved. This program and the accompanying materials</span></div> |
| <div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> * are made available under the terms of the Eclipse Public License v1.0</span></div> |
| <div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> * and Eclipse Distribution License v1.0 which accompany this distribution.</span></div> |
| <div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> *</span></div> |
| <div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> * The Eclipse Public License is available at</span></div> |
| <div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> * http://www.eclipse.org/legal/epl-v10.html</span></div> |
| <div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"> * and the Eclipse Distribution License is available at</span></div> |
| <div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment"> * http://www.eclipse.org/org/documents/edl-v10.php.</span></div> |
| <div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment"> *</span></div> |
| <div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="comment"> * Contributors:</span></div> |
| <div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="comment"> * Frank Pagliughi - initial implementation and documentation</span></div> |
| <div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="comment"> *******************************************************************************/</span></div> |
| <div class="line"><a name="l00023"></a><span class="lineno"> 23</span> </div> |
| <div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#ifndef __mqtt_iclient_persistence_h</span></div> |
| <div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor"></span><span class="preprocessor">#define __mqtt_iclient_persistence_h</span></div> |
| <div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor"></span></div> |
| <div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor">#include "MQTTAsync.h"</span></div> |
| <div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor">#include "<a class="code" href="types_8h.html">mqtt/types.h</a>"</span></div> |
| <div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor">#include "<a class="code" href="buffer__view_8h.html">mqtt/buffer_view.h</a>"</span></div> |
| <div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="preprocessor">#include "<a class="code" href="string__collection_8h.html">mqtt/string_collection.h</a>"</span></div> |
| <div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="preprocessor">#include <vector></span></div> |
| <div class="line"><a name="l00032"></a><span class="lineno"> 32</span> </div> |
| <div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="keyword">namespace </span>mqtt {</div> |
| <div class="line"><a name="l00034"></a><span class="lineno"> 34</span> </div> |
| <div class="line"><a name="l00036"></a><span class="lineno"> 36</span> </div> |
| <div class="line"><a name="l00054"></a><span class="lineno"><a class="line" href="classmqtt_1_1iclient__persistence.html"> 54</a></span> <span class="keyword">class </span><a class="code" href="classmqtt_1_1iclient__persistence.html">iclient_persistence</a></div> |
| <div class="line"><a name="l00055"></a><span class="lineno"> 55</span> {</div> |
| <div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  <span class="keyword">friend</span> <span class="keyword">class </span><a class="code" href="classmqtt_1_1async__client.html">async_client</a>;</div> |
| <div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  <span class="keyword">friend</span> <span class="keyword">class </span>iclient_persistence_test;</div> |
| <div class="line"><a name="l00058"></a><span class="lineno"> 58</span> </div> |
| <div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  <span class="keyword">static</span> <span class="keywordtype">int</span> persistence_open(<span class="keywordtype">void</span>** handle, <span class="keyword">const</span> <span class="keywordtype">char</span>* clientID, <span class="keyword">const</span> <span class="keywordtype">char</span>* serverURI, <span class="keywordtype">void</span>* context);</div> |
| <div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  <span class="keyword">static</span> <span class="keywordtype">int</span> persistence_close(<span class="keywordtype">void</span>* handle);</div> |
| <div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <span class="keyword">static</span> <span class="keywordtype">int</span> persistence_put(<span class="keywordtype">void</span>* handle, <span class="keywordtype">char</span>* key, <span class="keywordtype">int</span> bufcount, <span class="keywordtype">char</span>* buffers[], <span class="keywordtype">int</span> buflens[]);</div> |
| <div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  <span class="keyword">static</span> <span class="keywordtype">int</span> persistence_get(<span class="keywordtype">void</span>* handle, <span class="keywordtype">char</span>* key, <span class="keywordtype">char</span>** buffer, <span class="keywordtype">int</span>* buflen);</div> |
| <div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <span class="keyword">static</span> <span class="keywordtype">int</span> persistence_remove(<span class="keywordtype">void</span>* handle, <span class="keywordtype">char</span>* key);</div> |
| <div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <span class="keyword">static</span> <span class="keywordtype">int</span> persistence_keys(<span class="keywordtype">void</span>* handle, <span class="keywordtype">char</span>*** <a class="code" href="classmqtt_1_1iclient__persistence.html#aa4c6614822e259d13374f2ee251aa07e">keys</a>, <span class="keywordtype">int</span>* nkeys);</div> |
| <div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  <span class="keyword">static</span> <span class="keywordtype">int</span> persistence_clear(<span class="keywordtype">void</span>* handle);</div> |
| <div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <span class="keyword">static</span> <span class="keywordtype">int</span> persistence_containskey(<span class="keywordtype">void</span>* handle, <span class="keywordtype">char</span>* key);</div> |
| <div class="line"><a name="l00068"></a><span class="lineno"> 68</span> </div> |
| <div class="line"><a name="l00069"></a><span class="lineno"> 69</span> <span class="keyword">public</span>:</div> |
| <div class="line"><a name="l00071"></a><span class="lineno"><a class="line" href="classmqtt_1_1iclient__persistence.html#a8d4b4f2aeec08433f824fda2a0fc13fe"> 71</a></span>  <span class="keyword">using</span> <a class="code" href="classmqtt_1_1iclient__persistence.html#a8d4b4f2aeec08433f824fda2a0fc13fe">ptr_t</a> = std::shared_ptr<iclient_persistence>;</div> |
| <div class="line"><a name="l00073"></a><span class="lineno"><a class="line" href="classmqtt_1_1iclient__persistence.html#a4d94ac43f630b23389f6936e74452d1d"> 73</a></span>  <span class="keyword">using</span> <a class="code" href="classmqtt_1_1iclient__persistence.html#a4d94ac43f630b23389f6936e74452d1d">const_ptr_t</a> = std::shared_ptr<const iclient_persistence>;</div> |
| <div class="line"><a name="l00074"></a><span class="lineno"> 74</span> </div> |
| <div class="line"><a name="l00078"></a><span class="lineno"><a class="line" href="classmqtt_1_1iclient__persistence.html#aaf9a10b4dc43863f8d62f708e3f8571b"> 78</a></span>  <span class="keyword">virtual</span> <a class="code" href="classmqtt_1_1iclient__persistence.html#aaf9a10b4dc43863f8d62f708e3f8571b">~iclient_persistence</a>() {}</div> |
| <div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classmqtt_1_1iclient__persistence.html#a0072b4a4cadc6e16faa53d2b45e7e612">open</a>(<span class="keyword">const</span> <span class="keywordtype">string</span>& clientId, <span class="keyword">const</span> <span class="keywordtype">string</span>& serverURI) =0;</div> |
| <div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classmqtt_1_1iclient__persistence.html#a4777bfc318f827d2535ae5e47b1909a5">close</a>() =0;</div> |
| <div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classmqtt_1_1iclient__persistence.html#adb6ad819aea04897b69e411dd1cb5fc7">clear</a>() =0;</div> |
| <div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  <span class="keyword">virtual</span> <span class="keywordtype">bool</span> <a class="code" href="classmqtt_1_1iclient__persistence.html#a7e216ed0702a4fbad689f5896881cd18">contains_key</a>(<span class="keyword">const</span> <span class="keywordtype">string</span>& key) =0;</div> |
| <div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  <span class="keyword">virtual</span> <span class="keyword">const</span> <a class="code" href="classmqtt_1_1string__collection.html">string_collection</a>& <a class="code" href="classmqtt_1_1iclient__persistence.html#aa4c6614822e259d13374f2ee251aa07e">keys</a>() <span class="keyword">const</span> =0;</div> |
| <div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classmqtt_1_1iclient__persistence.html#a911ee78fdc1c0b93d66b8529274449fa">put</a>(<span class="keyword">const</span> <span class="keywordtype">string</span>& key, <span class="keyword">const</span> std::vector<string_view>& bufs) =0;</div> |
| <div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <span class="keyword">virtual</span> <a class="code" href="classmqtt_1_1buffer__view.html">string_view</a> <span class="keyword">get</span>(<span class="keyword">const</span> <span class="keywordtype">string</span>& key) <span class="keyword">const</span> =0;</div> |
| <div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <span class="keyword">remove</span>(<span class="keyword">const</span> <span class="keywordtype">string</span>& key) =0;</div> |
| <div class="line"><a name="l00123"></a><span class="lineno"> 123</span> };</div> |
| <div class="line"><a name="l00124"></a><span class="lineno"> 124</span> </div> |
| <div class="line"><a name="l00126"></a><span class="lineno"> 126</span> <span class="keyword">using</span> iclient_persistence_ptr = <a class="code" href="classmqtt_1_1iclient__persistence.html#a8d4b4f2aeec08433f824fda2a0fc13fe">iclient_persistence::ptr_t</a>;</div> |
| <div class="line"><a name="l00127"></a><span class="lineno"> 127</span> </div> |
| <div class="line"><a name="l00129"></a><span class="lineno"> 129</span> <span class="keyword">using</span> const_iclient_persistence_ptr = <a class="code" href="classmqtt_1_1iclient__persistence.html#a4d94ac43f630b23389f6936e74452d1d">iclient_persistence::const_ptr_t</a>;</div> |
| <div class="line"><a name="l00130"></a><span class="lineno"> 130</span> </div> |
| <div class="line"><a name="l00132"></a><span class="lineno"> 132</span> <span class="comment">// end namespace mqtt</span></div> |
| <div class="line"><a name="l00133"></a><span class="lineno"> 133</span> }</div> |
| <div class="line"><a name="l00134"></a><span class="lineno"> 134</span> </div> |
| <div class="line"><a name="l00135"></a><span class="lineno"> 135</span> <span class="preprocessor">#endif // __mqtt_iclient_persistence_h</span></div> |
| <div class="ttc" id="classmqtt_1_1async__client_html"><div class="ttname"><a href="classmqtt_1_1async__client.html">mqtt::async_client</a></div><div class="ttdoc">Lightweight client for talking to an MQTT server using non-blocking methods that allow an operation t...</div><div class="ttdef"><b>Definition:</b> async_client.h:60</div></div> |
| <div class="ttc" id="classmqtt_1_1iclient__persistence_html"><div class="ttname"><a href="classmqtt_1_1iclient__persistence.html">mqtt::iclient_persistence</a></div><div class="ttdoc">Represents a persistent data store, used to store outbound and inbound messages while they are in fli...</div><div class="ttdef"><b>Definition:</b> iclient_persistence.h:54</div></div> |
| <div class="ttc" id="classmqtt_1_1iclient__persistence_html_aaf9a10b4dc43863f8d62f708e3f8571b"><div class="ttname"><a href="classmqtt_1_1iclient__persistence.html#aaf9a10b4dc43863f8d62f708e3f8571b">mqtt::iclient_persistence::~iclient_persistence</a></div><div class="ttdeci">virtual ~iclient_persistence()</div><div class="ttdoc">Virtual destructor. </div><div class="ttdef"><b>Definition:</b> iclient_persistence.h:78</div></div> |
| <div class="ttc" id="types_8h_html"><div class="ttname"><a href="types_8h.html">types.h</a></div><div class="ttdoc">Basic types and type conversions for the Paho MQTT C++ library. </div></div> |
| <div class="ttc" id="classmqtt_1_1iclient__persistence_html_a4d94ac43f630b23389f6936e74452d1d"><div class="ttname"><a href="classmqtt_1_1iclient__persistence.html#a4d94ac43f630b23389f6936e74452d1d">mqtt::iclient_persistence::const_ptr_t</a></div><div class="ttdeci">std::shared_ptr< const iclient_persistence > const_ptr_t</div><div class="ttdoc">Smart/shared pointer to a const object of this class. </div><div class="ttdef"><b>Definition:</b> iclient_persistence.h:73</div></div> |
| <div class="ttc" id="buffer__view_8h_html"><div class="ttname"><a href="buffer__view_8h.html">buffer_view.h</a></div><div class="ttdoc">Buffer reference type for the Paho MQTT C++ library. </div></div> |
| <div class="ttc" id="string__collection_8h_html"><div class="ttname"><a href="string__collection_8h.html">string_collection.h</a></div><div class="ttdoc">Definition of the string_collection class for the Paho MQTT C++ library. </div></div> |
| <div class="ttc" id="classmqtt_1_1iclient__persistence_html_a8d4b4f2aeec08433f824fda2a0fc13fe"><div class="ttname"><a href="classmqtt_1_1iclient__persistence.html#a8d4b4f2aeec08433f824fda2a0fc13fe">mqtt::iclient_persistence::ptr_t</a></div><div class="ttdeci">std::shared_ptr< iclient_persistence > ptr_t</div><div class="ttdoc">Smart/shared pointer to an object of this class. </div><div class="ttdef"><b>Definition:</b> iclient_persistence.h:71</div></div> |
| <div class="ttc" id="classmqtt_1_1string__collection_html"><div class="ttname"><a href="classmqtt_1_1string__collection.html">mqtt::string_collection</a></div><div class="ttdoc">Type for a collection of topics. </div><div class="ttdef"><b>Definition:</b> string_collection.h:40</div></div> |
| <div class="ttc" id="classmqtt_1_1iclient__persistence_html_a0072b4a4cadc6e16faa53d2b45e7e612"><div class="ttname"><a href="classmqtt_1_1iclient__persistence.html#a0072b4a4cadc6e16faa53d2b45e7e612">mqtt::iclient_persistence::open</a></div><div class="ttdeci">virtual void open(const string &clientId, const string &serverURI)=0</div><div class="ttdoc">Initialize the persistent store. </div></div> |
| <div class="ttc" id="classmqtt_1_1iclient__persistence_html_adb6ad819aea04897b69e411dd1cb5fc7"><div class="ttname"><a href="classmqtt_1_1iclient__persistence.html#adb6ad819aea04897b69e411dd1cb5fc7">mqtt::iclient_persistence::clear</a></div><div class="ttdeci">virtual void clear()=0</div><div class="ttdoc">Clears persistence, so that it no longer contains any persisted data. </div></div> |
| <div class="ttc" id="classmqtt_1_1iclient__persistence_html_a911ee78fdc1c0b93d66b8529274449fa"><div class="ttname"><a href="classmqtt_1_1iclient__persistence.html#a911ee78fdc1c0b93d66b8529274449fa">mqtt::iclient_persistence::put</a></div><div class="ttdeci">virtual void put(const string &key, const std::vector< string_view > &bufs)=0</div><div class="ttdoc">Puts the specified data into the persistent store. </div></div> |
| <div class="ttc" id="classmqtt_1_1iclient__persistence_html_a4777bfc318f827d2535ae5e47b1909a5"><div class="ttname"><a href="classmqtt_1_1iclient__persistence.html#a4777bfc318f827d2535ae5e47b1909a5">mqtt::iclient_persistence::close</a></div><div class="ttdeci">virtual void close()=0</div><div class="ttdoc">Close the persistent store that was previously opened. </div></div> |
| <div class="ttc" id="classmqtt_1_1buffer__view_html"><div class="ttname"><a href="classmqtt_1_1buffer__view.html">mqtt::buffer_view</a></div><div class="ttdoc">A reference to a contiguous sequence of items, with no ownership. </div><div class="ttdef"><b>Definition:</b> buffer_view.h:40</div></div> |
| <div class="ttc" id="classmqtt_1_1iclient__persistence_html_a7e216ed0702a4fbad689f5896881cd18"><div class="ttname"><a href="classmqtt_1_1iclient__persistence.html#a7e216ed0702a4fbad689f5896881cd18">mqtt::iclient_persistence::contains_key</a></div><div class="ttdeci">virtual bool contains_key(const string &key)=0</div><div class="ttdoc">Returns whether or not data is persisted using the specified key. </div></div> |
| <div class="ttc" id="classmqtt_1_1iclient__persistence_html_aa4c6614822e259d13374f2ee251aa07e"><div class="ttname"><a href="classmqtt_1_1iclient__persistence.html#aa4c6614822e259d13374f2ee251aa07e">mqtt::iclient_persistence::keys</a></div><div class="ttdeci">virtual const string_collection & keys() const =0</div><div class="ttdoc">Returns a collection of keys in this persistent data store. </div></div> |
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