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<div class="title">gr_nop.h</div> </div>
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<a href="gr__nop_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> <span class="comment">/* -*- c++ -*- */</span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> * Copyright 2004,2010 Free Software Foundation, Inc.</span></div>
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> * This file is part of GNU Radio</span></div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> * GNU Radio is free software; you can redistribute it and/or modify</span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> * it under the terms of the GNU General Public License as published by</span></div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"> * the Free Software Foundation; either version 3, or (at your option)</span></div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> * any later version.</span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> * GNU Radio is distributed in the hope that it will be useful,</span></div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> * but WITHOUT ANY WARRANTY; without even the implied warranty of</span></div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</span></div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> * GNU General Public License for more details.</span></div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"> * You should have received a copy of the GNU General Public License</span></div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment"> * along with GNU Radio; see the file COPYING. If not, write to</span></div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment"> * the Free Software Foundation, Inc., 51 Franklin Street,</span></div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="comment"> * Boston, MA 02110-1301, USA.</span></div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> </div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#ifndef INCLUDED_GR_NOP_H</span></div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor"></span><span class="preprocessor">#define INCLUDED_GR_NOP_H</span></div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor">#include <<a class="code" href="gr__core__api_8h.html">gr_core_api.h</a>></span></div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor">#include <<a class="code" href="gr__block_8h.html">gr_block.h</a>></span></div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor">#include <stddef.h></span> <span class="comment">// size_t</span></div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> </div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="keyword">class </span><a class="code" href="classgr__nop.html" title="Does nothing. Used for testing only.">gr_nop</a>;</div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="keyword">typedef</span> <a class="code" href="classboost_1_1shared__ptr.html" title="shared_ptr documentation stub">boost::shared_ptr<gr_nop></a> <a class="code" href="classboost_1_1shared__ptr.html" title="shared_ptr documentation stub">gr_nop_sptr</a>;</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> <a class="code" href="gr__core__api_8h.html#a8b8937b0c61edd85ab57ce8203543248">GR_CORE_API</a> <a class="code" href="classboost_1_1shared__ptr.html" title="shared_ptr documentation stub">gr_nop_sptr</a></div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <a class="code" href="gr__nop_8h.html#a3db28467e79ab7f8728c74f8bcbc1a4c">gr_make_nop</a> (<span class="keywordtype">size_t</span> sizeof_stream_item);</div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="comment"></span></div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="comment">/*!</span></div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="comment"> * \brief Does nothing. Used for testing only.</span></div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="comment"> * \ingroup misc_blk</span></div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00040"></a><span class="lineno"><a class="code" href="classgr__nop.html"> 40</a></span> <span class="keyword">class </span><a class="code" href="gr__core__api_8h.html#a8b8937b0c61edd85ab57ce8203543248">GR_CORE_API</a> <a class="code" href="classgr__nop.html" title="Does nothing. Used for testing only.">gr_nop</a> : <span class="keyword">public</span> <a class="code" href="classgr__block.html" title="The abstract base class for all 'terminal' processing blocks.A signal processing flow is constructed ...">gr_block</a></div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span> {</div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  <span class="keyword">friend</span> <a class="code" href="gr__core__api_8h.html#a8b8937b0c61edd85ab57ce8203543248">GR_CORE_API</a> <a class="code" href="classboost_1_1shared__ptr.html" title="shared_ptr documentation stub">gr_nop_sptr</a> <a class="code" href="gr__nop_8h.html#a3db28467e79ab7f8728c74f8bcbc1a4c">gr_make_nop</a> (<span class="keywordtype">size_t</span> sizeof_stream_item);</div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  <a class="code" href="classgr__nop.html" title="Does nothing. Used for testing only.">gr_nop</a> (<span class="keywordtype">size_t</span> sizeof_stream_item);</div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span> </div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="keyword">protected</span>:</div>
<div class="line"><a name="l00046"></a><span class="lineno"><a class="code" href="classgr__nop.html#aa198205617862de3b381ab4ad8059fd1"> 46</a></span>  <span class="keywordtype">int</span> <a class="code" href="classgr__nop.html#aa198205617862de3b381ab4ad8059fd1">d_nmsgs_recvd</a>;</div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span> </div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  <span class="comment">// Method that just counts any received messages.</span></div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  <span class="keywordtype">void</span> count_received_msgs(<a class="code" href="namespacepmt.html#ab4b70d9293452eb74dd07c670e6811fa" title="typedef for shared pointer (transparent reference counting). See http://www.boost.org/libs/smart_ptr/smart_ptr.htm">pmt::pmt_t</a> msg);</div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span> </div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  <span class="keyword">public</span>:</div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  <span class="keyword">virtual</span> <span class="keywordtype">int</span> <a class="code" href="classgr__block.html#adf59080d10f322e3816b7ac8f7cb2a7c" title="compute output items from input items">general_work</a> (<span class="keywordtype">int</span> noutput_items,</div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  <a class="code" href="gr__types_8h.html#ab02d0a829d67d39e3ac3163016d3a8be">gr_vector_int</a> &ninput_items,</div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  <a class="code" href="gr__types_8h.html#a9852a3d906d823cb70eb9c29e7f2a43d">gr_vector_const_void_star</a> &input_items,</div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  <a class="code" href="gr__types_8h.html#acd3f499576e769966ea44554b359d949">gr_vector_void_star</a> &output_items);</div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span> </div>
<div class="line"><a name="l00057"></a><span class="lineno"><a class="code" href="classgr__nop.html#af5a4eee4367f46c82d77b8a2382957ea"> 57</a></span>  <span class="keywordtype">int</span> <a class="code" href="classgr__nop.html#af5a4eee4367f46c82d77b8a2382957ea">nmsgs_received</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> d_nmsgs_recvd; }</div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span> </div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span> };</div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span> </div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span> <span class="preprocessor">#endif </span><span class="comment">/* INCLUDED_GR_NOP_H */</span><span class="preprocessor"></span></div>
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