rssi__list_8h.html
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<div id="projectbrief">Project based on Indoor Positionning System</div>
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<div class="title">/home/junicode/Documents/LO53_Project/LO53_AP_Development/rssi_list.h File Reference</div> </div>
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<div class="textblock"><code>#include <stdio.h></code><br />
<code>#include <string.h></code><br />
<code>#include <stdlib.h></code><br />
<code>#include <math.h></code><br />
<code>#include <arpa/inet.h></code><br />
<code>#include <sys/time.h></code><br />
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Include dependency graph for rssi_list.h:</div>
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<p><a href="rssi__list_8h_source.html">Go to the source code of this file.</a></p>
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="nested-classes"></a>
Data Structures</h2></td></tr>
<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct  </td><td class="memItemRight" valign="bottom"><a class="el" href="struct___rssi__sample.html">_Rssi_sample</a></td></tr>
<tr class="separator:"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct  </td><td class="memItemRight" valign="bottom"><a class="el" href="struct___deque.html">_Deque</a></td></tr>
<tr class="separator:"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct  </td><td class="memItemRight" valign="bottom"><a class="el" href="struct___element.html">_Element</a></td></tr>
<tr class="separator:"><td class="memSeparator" colspan="2"> </td></tr>
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Macros</h2></td></tr>
<tr class="memitem:a35f1467bf87db9e9d057b19e73342bf1"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="rssi__list_8h.html#a35f1467bf87db9e9d057b19e73342bf1">SAMPLE_DELAY</a>   6</td></tr>
<tr class="separator:a35f1467bf87db9e9d057b19e73342bf1"><td class="memSeparator" colspan="2"> </td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="typedef-members"></a>
Typedefs</h2></td></tr>
<tr class="memitem:abc61de7957d5cdb893864e72aa753310"><td class="memItemLeft" align="right" valign="top">typedef struct <a class="el" href="struct___rssi__sample.html">_Rssi_sample</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="rssi__list_8h.html#abc61de7957d5cdb893864e72aa753310">Rssi_sample</a></td></tr>
<tr class="separator:abc61de7957d5cdb893864e72aa753310"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a9eed9490a3149e7896fd7c4fc27bcaa2"><td class="memItemLeft" align="right" valign="top">typedef struct <a class="el" href="struct___deque.html">_Deque</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="rssi__list_8h.html#a9eed9490a3149e7896fd7c4fc27bcaa2">Deque</a></td></tr>
<tr class="separator:a9eed9490a3149e7896fd7c4fc27bcaa2"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a4f4b1330ac9fceee38f2a479e6e72f9e"><td class="memItemLeft" align="right" valign="top">typedef struct <a class="el" href="struct___element.html">_Element</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="rssi__list_8h.html#a4f4b1330ac9fceee38f2a479e6e72f9e">Element</a></td></tr>
<tr class="separator:a4f4b1330ac9fceee38f2a479e6e72f9e"><td class="memSeparator" colspan="2"> </td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a>
Functions</h2></td></tr>
<tr class="memitem:a535cd027bf00cf939326973eb2af2a37"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="rssi__list_8h.html#a535cd027bf00cf939326973eb2af2a37">clear_outdated_values</a> (<a class="el" href="struct_deque.html">Deque</a> *list)</td></tr>
<tr class="memdesc:a535cd027bf00cf939326973eb2af2a37"><td class="mdescLeft"> </td><td class="mdescRight">clear_outdated_values removes all outdated RSSI in a RSSI deque. <a href="#a535cd027bf00cf939326973eb2af2a37">More...</a><br /></td></tr>
<tr class="separator:a535cd027bf00cf939326973eb2af2a37"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ae44fbcd3fb8dd7a4a9015cf282b16406"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="rssi__list_8h.html#ae44fbcd3fb8dd7a4a9015cf282b16406">add_value</a> (<a class="el" href="struct_deque.html">Deque</a> *list, double value)</td></tr>
<tr class="memdesc:ae44fbcd3fb8dd7a4a9015cf282b16406"><td class="mdescLeft"> </td><td class="mdescRight">add_value adds a new RSSI value at the end of the deque. <a href="#ae44fbcd3fb8dd7a4a9015cf282b16406">More...</a><br /></td></tr>
<tr class="separator:ae44fbcd3fb8dd7a4a9015cf282b16406"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a12d58f846d9ea5a76d657991fc0bb6ab"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="rssi__list_8h.html#a12d58f846d9ea5a76d657991fc0bb6ab">clear_outdated_Elements</a> (<a class="el" href="struct_element.html">Element</a> **list)</td></tr>
<tr class="memdesc:a12d58f846d9ea5a76d657991fc0bb6ab"><td class="mdescLeft"> </td><td class="mdescRight">clear_outdated_Elements removes all outdated Elements in the linked-list. <a href="#a12d58f846d9ea5a76d657991fc0bb6ab">More...</a><br /></td></tr>
<tr class="separator:a12d58f846d9ea5a76d657991fc0bb6ab"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a6c7015cd077f7305b2733eb8b9817f97"><td class="memItemLeft" align="right" valign="top"><a class="el" href="struct_element.html">Element</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="rssi__list_8h.html#a6c7015cd077f7305b2733eb8b9817f97">find_mac</a> (<a class="el" href="struct_element.html">Element</a> *list, u_char *mac_value)</td></tr>
<tr class="memdesc:a6c7015cd077f7305b2733eb8b9817f97"><td class="mdescLeft"> </td><td class="mdescRight">find_mac looks up for a MAC address in the list. <a href="#a6c7015cd077f7305b2733eb8b9817f97">More...</a><br /></td></tr>
<tr class="separator:a6c7015cd077f7305b2733eb8b9817f97"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a24453a17eaee3f01419138bd3350031e"><td class="memItemLeft" align="right" valign="top"><a class="el" href="struct_element.html">Element</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="rssi__list_8h.html#a24453a17eaee3f01419138bd3350031e">add_element</a> (<a class="el" href="struct_element.html">Element</a> **list, u_char *mac_value)</td></tr>
<tr class="memdesc:a24453a17eaee3f01419138bd3350031e"><td class="mdescLeft"> </td><td class="mdescRight">add_element adds an element (a new device node) to the list. Elements shall be ordered. <a href="#a24453a17eaee3f01419138bd3350031e">More...</a><br /></td></tr>
<tr class="separator:a24453a17eaee3f01419138bd3350031e"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:af2c0c85c2a2a3efefa7c5dc3c03c3e4a"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="rssi__list_8h.html#af2c0c85c2a2a3efefa7c5dc3c03c3e4a">calculate_avg</a> (<a class="el" href="struct_element.html">Element</a> **list, u_char *mac_value, u_char *nb_samples, u_char *avg_value)</td></tr>
<tr class="memdesc:af2c0c85c2a2a3efefa7c5dc3c03c3e4a"><td class="mdescLeft"> </td><td class="mdescRight">Calculate avg ss values from a given string mac address. <a href="#af2c0c85c2a2a3efefa7c5dc3c03c3e4a">More...</a><br /></td></tr>
<tr class="separator:af2c0c85c2a2a3efefa7c5dc3c03c3e4a"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a24da2773bae32fa61d7575b189c3cbed"><td class="memItemLeft" align="right" valign="top">unsigned int </td><td class="memItemRight" valign="bottom"><a class="el" href="rssi__list_8h.html#a24da2773bae32fa61d7575b189c3cbed">mac_maching</a> (u_char *mac1, u_char *mac2)</td></tr>
<tr class="memdesc:a24da2773bae32fa61d7575b189c3cbed"><td class="mdescLeft"> </td><td class="mdescRight">This function makes the comparison of two mac addresses to check if they are equals. <a href="#a24da2773bae32fa61d7575b189c3cbed">More...</a><br /></td></tr>
<tr class="separator:a24da2773bae32fa61d7575b189c3cbed"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a215f49fa181cccf9bac2400da4215bb2"><td class="memItemLeft" align="right" valign="top"><a class="el" href="struct_element.html">Element</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="rssi__list_8h.html#a215f49fa181cccf9bac2400da4215bb2">find_deque</a> (<a class="el" href="struct_element.html">Element</a> *list, <a class="el" href="struct_deque.html">Deque</a> *deq)</td></tr>
<tr class="memdesc:a215f49fa181cccf9bac2400da4215bb2"><td class="mdescLeft"> </td><td class="mdescRight">This function find a specific <a class="el" href="struct_deque.html" title="defines a pseudo double ended queue It shall contain the RSSI values sorted by deadline. ">Deque</a> in the <a class="el" href="struct_element.html" title="contains one element of the Device list The device list shall be sorted by device's MAC ...">Element</a> List. <a href="#a215f49fa181cccf9bac2400da4215bb2">More...</a><br /></td></tr>
<tr class="separator:a215f49fa181cccf9bac2400da4215bb2"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a41893db8a4089cb1c64fe72069044637"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="rssi__list_8h.html#a41893db8a4089cb1c64fe72069044637">decrement_all_deadlines</a> (<a class="el" href="struct_element.html">Element</a> *list)</td></tr>
<tr class="memdesc:a41893db8a4089cb1c64fe72069044637"><td class="mdescLeft"> </td><td class="mdescRight">This function decrement every second the deadline value of all the samples included in an element list. <a href="#a41893db8a4089cb1c64fe72069044637">More...</a><br /></td></tr>
<tr class="separator:a41893db8a4089cb1c64fe72069044637"><td class="memSeparator" colspan="2"> </td></tr>
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<h2 class="groupheader">Macro Definition Documentation</h2>
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<td class="memname">#define SAMPLE_DELAY   6</td>
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<h2 class="groupheader">Typedef Documentation</h2>
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<td class="memname">typedef struct <a class="el" href="struct___deque.html">_Deque</a> <a class="el" href="struct_deque.html">Deque</a></td>
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<td class="memname">typedef struct <a class="el" href="struct___element.html">_Element</a> <a class="el" href="struct_element.html">Element</a></td>
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<td class="memname">typedef struct <a class="el" href="struct___rssi__sample.html">_Rssi_sample</a> <a class="el" href="struct_rssi__sample.html">Rssi_sample</a></td>
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<h2 class="groupheader">Function Documentation</h2>
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<td class="memname"><a class="el" href="struct_element.html">Element</a>* add_element </td>
<td>(</td>
<td class="paramtype"><a class="el" href="struct_element.html">Element</a> ** </td>
<td class="paramname"><em>list</em>, </td>
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<td class="paramtype">u_char * </td>
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<p>add_element adds an element (a new device node) to the list. Elements shall be ordered. </p>
<dl class="section return"><dt>Returns</dt><dd>the added element pointer. </dd></dl>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">list</td><td>a pointer to the list head pointer. </td></tr>
<tr><td class="paramname">mac_value</td><td>the MAC address of the new node to be added. </td></tr>
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<td class="memname">void add_value </td>
<td>(</td>
<td class="paramtype"><a class="el" href="struct_deque.html">Deque</a> * </td>
<td class="paramname"><em>list</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">double </td>
<td class="paramname"><em>value</em> </td>
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<p>add_value adds a new RSSI value at the end of the deque. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">the</td><td>deque to append the element to. </td></tr>
<tr><td class="paramname">value</td><td>the RSSI value (dBm, do not forget to convert when inserting!) </td></tr>
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<td class="memname">void calculate_avg </td>
<td>(</td>
<td class="paramtype"><a class="el" href="struct_element.html">Element</a> ** </td>
<td class="paramname"><em>list</em>, </td>
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<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">u_char * </td>
<td class="paramname"><em>mac_value</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">u_char * </td>
<td class="paramname"><em>nb_samples</em>, </td>
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<td class="paramtype">u_char * </td>
<td class="paramname"><em>avg_value</em> </td>
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<p>Calculate avg ss values from a given string mac address. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">mac_value</td><td>the string MAC address necessary to identify the device to which calculation is needed. </td></tr>
<tr><td class="paramname">list</td><td>a pointer to the list head pointer. </td></tr>
<tr><td class="paramname">nb_samples</td><td>is a pointer that will contain the number of sample we need to know. </td></tr>
<tr><td class="paramname">avg_value</td><td>is a pointer that will contain the average rssi_value based on the captured samples. </td></tr>
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<td class="memname">void clear_outdated_Elements </td>
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<td class="paramtype"><a class="el" href="struct_element.html">Element</a> ** </td>
<td class="paramname"><em>list</em></td><td>)</td>
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<p>clear_outdated_Elements removes all outdated Elements in the linked-list. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">list</td><td>the <a class="el" href="struct_element.html" title="contains one element of the Device list The device list shall be sorted by device's MAC ...">Element</a> (devices) list in which the outdated devices need to be removed </td></tr>
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<td class="memname">void clear_outdated_values </td>
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<td class="paramtype"><a class="el" href="struct_deque.html">Deque</a> * </td>
<td class="paramname"><em>list</em></td><td>)</td>
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<p>clear_outdated_values removes all outdated RSSI in a RSSI deque. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">list</td><td>the deque from which to filter the outdated values. </td></tr>
</table>
</dd>
</dl>
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<td class="memname">void decrement_all_deadlines </td>
<td>(</td>
<td class="paramtype"><a class="el" href="struct_element.html">Element</a> * </td>
<td class="paramname"><em>list</em></td><td>)</td>
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<p>This function decrement every second the deadline value of all the samples included in an element list. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">list</td><td>The <a class="el" href="struct_element.html" title="contains one element of the Device list The device list shall be sorted by device's MAC ...">Element</a> list head pointer </td></tr>
</table>
</dd>
</dl>
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<td class="memname"><a class="el" href="struct_element.html">Element</a>* find_deque </td>
<td>(</td>
<td class="paramtype"><a class="el" href="struct_element.html">Element</a> * </td>
<td class="paramname"><em>list</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="struct_deque.html">Deque</a> * </td>
<td class="paramname"><em>deq</em> </td>
</tr>
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<td>)</td>
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<p>This function find a specific <a class="el" href="struct_deque.html" title="defines a pseudo double ended queue It shall contain the RSSI values sorted by deadline. ">Deque</a> in the <a class="el" href="struct_element.html" title="contains one element of the Device list The device list shall be sorted by device's MAC ...">Element</a> List. </p>
<dl class="section return"><dt>Returns</dt><dd>it return a pointer to the <a class="el" href="struct_element.html" title="contains one element of the Device list The device list shall be sorted by device's MAC ...">Element</a> in which the deque is located </dd></dl>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">list</td><td>the <a class="el" href="struct_element.html" title="contains one element of the Device list The device list shall be sorted by device's MAC ...">Element</a> list head pointer </td></tr>
<tr><td class="paramname">deq</td><td>the address of the <a class="el" href="struct_deque.html" title="defines a pseudo double ended queue It shall contain the RSSI values sorted by deadline. ">Deque</a> to find </td></tr>
</table>
</dd>
</dl>
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<td class="memname"><a class="el" href="struct_element.html">Element</a>* find_mac </td>
<td>(</td>
<td class="paramtype"><a class="el" href="struct_element.html">Element</a> * </td>
<td class="paramname"><em>list</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">u_char * </td>
<td class="paramname"><em>mac_value</em> </td>
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<p>find_mac looks up for a MAC address in the list. </p>
<dl class="section return"><dt>Returns</dt><dd>a pointer to the corresponding element, NULL if not found. </dd></dl>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">list</td><td>the list head pointer. </td></tr>
<tr><td class="paramname">mac_value</td><td>the MAC address to search. </td></tr>
</table>
</dd>
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<td class="memname">unsigned int mac_maching </td>
<td>(</td>
<td class="paramtype">u_char * </td>
<td class="paramname"><em>mac1</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">u_char * </td>
<td class="paramname"><em>mac2</em> </td>
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<td>)</td>
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<p>This function makes the comparison of two mac addresses to check if they are equals. </p>
<dl class="section return"><dt>Returns</dt><dd>it return 0 if they are not equal and 1 if they are equal </dd></dl>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">mac1</td><td>the first string mac address </td></tr>
<tr><td class="paramname">mac2</td><td>the second string mac address </td></tr>
</table>
</dd>
</dl>
</div>
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