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<div class="title">gr_block_gateway.h</div> </div>
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<a href="gr__block__gateway_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">/*</span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment"> * Copyright 2011-2012 Free Software Foundation, Inc.</span></div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> * This file is part of GNU Radio</span></div>
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> * GNU Radio is free software; you can redistribute it and/or modify</span></div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> * it under the terms of the GNU General Public License as published by</span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> * the Free Software Foundation; either version 3, or (at your option)</span></div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"> * any later version.</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"> * GNU Radio is distributed in the hope that it will be useful,</span></div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> * but WITHOUT ANY WARRANTY; without even the implied warranty of</span></div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</span></div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> * GNU General Public License for more details.</span></div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> * You should have received a copy of the GNU General Public License</span></div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"> * along with GNU Radio; see the file COPYING. If not, write to</span></div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment"> * the Free Software Foundation, Inc., 51 Franklin Street,</span></div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment"> * Boston, MA 02110-1301, USA.</span></div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> </div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#ifndef INCLUDED_GRBLOCK_GATEWAY_H</span></div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor"></span><span class="preprocessor">#define INCLUDED_GRBLOCK_GATEWAY_H</span></div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</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="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor">#include <<a class="code" href="gr__block_8h.html">gr_block.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__feval_8h.html">gr_feval.h</a>></span></div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="comment"></span></div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="comment">/*!</span></div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="comment"> * The work type enum tells the gateway what kind of block to implement.</span></div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="comment"> * The choices are familiar gnuradio block overloads (sync, decim, interp).</span></div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00033"></a><span class="lineno"><a class="code" href="gr__block__gateway_8h.html#a2c3dd80094ed70d765ebe51b00cc5dcc"> 33</a></span> <span class="keyword">enum</span> <a class="code" href="gr__block__gateway_8h.html#a2c3dd80094ed70d765ebe51b00cc5dcc">gr_block_gw_work_type</a>{</div>
<div class="line"><a name="l00034"></a><span class="lineno"><a class="code" href="gr__block__gateway_8h.html#a2c3dd80094ed70d765ebe51b00cc5dccae675f6a975118bef09376597b2135a4a"> 34</a></span>  <a class="code" href="gr__block__gateway_8h.html#a2c3dd80094ed70d765ebe51b00cc5dccae675f6a975118bef09376597b2135a4a">GR_BLOCK_GW_WORK_GENERAL</a>,</div>
<div class="line"><a name="l00035"></a><span class="lineno"><a class="code" href="gr__block__gateway_8h.html#a2c3dd80094ed70d765ebe51b00cc5dcca7cd86914ddb4e2b58ec126dcac1f8b5e"> 35</a></span>  <a class="code" href="gr__block__gateway_8h.html#a2c3dd80094ed70d765ebe51b00cc5dcca7cd86914ddb4e2b58ec126dcac1f8b5e">GR_BLOCK_GW_WORK_SYNC</a>,</div>
<div class="line"><a name="l00036"></a><span class="lineno"><a class="code" href="gr__block__gateway_8h.html#a2c3dd80094ed70d765ebe51b00cc5dccae68b9a368f4c8f24f6650f21a5ea44c5"> 36</a></span>  <a class="code" href="gr__block__gateway_8h.html#a2c3dd80094ed70d765ebe51b00cc5dccae68b9a368f4c8f24f6650f21a5ea44c5">GR_BLOCK_GW_WORK_DECIM</a>,</div>
<div class="line"><a name="l00037"></a><span class="lineno"><a class="code" href="gr__block__gateway_8h.html#a2c3dd80094ed70d765ebe51b00cc5dccaf71bb4297772df563228b2f5df5a1438"> 37</a></span>  <a class="code" href="gr__block__gateway_8h.html#a2c3dd80094ed70d765ebe51b00cc5dccaf71bb4297772df563228b2f5df5a1438">GR_BLOCK_GW_WORK_INTERP</a>,</div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</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"> 40</span> <span class="comment">/*!</span></div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="comment"> * Shared message structure between python and gateway.</span></div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="comment"> * Each action type represents a scheduler-called function.</span></div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00044"></a><span class="lineno"><a class="code" href="structgr__block__gw__message__type.html"> 44</a></span> <span class="keyword">struct </span><a class="code" href="structgr__block__gw__message__type.html">gr_block_gw_message_type</a>{</div>
<div class="line"><a name="l00045"></a><span class="lineno"><a class="code" href="structgr__block__gw__message__type.html#a59987772ef45d2fa3e97d3094d74427f"> 45</a></span>  <span class="keyword">enum</span> <a class="code" href="structgr__block__gw__message__type.html#a59987772ef45d2fa3e97d3094d74427f">action_type</a>{</div>
<div class="line"><a name="l00046"></a><span class="lineno"><a class="code" href="structgr__block__gw__message__type.html#a59987772ef45d2fa3e97d3094d74427fa281228bb2b0c35f9b9debfce4587f636"> 46</a></span>  <a class="code" href="structgr__block__gw__message__type.html#a59987772ef45d2fa3e97d3094d74427fa281228bb2b0c35f9b9debfce4587f636">ACTION_GENERAL_WORK</a>, <span class="comment">//dispatch work</span></div>
<div class="line"><a name="l00047"></a><span class="lineno"><a class="code" href="structgr__block__gw__message__type.html#a59987772ef45d2fa3e97d3094d74427fa0c160b622fbf99febf9a6bb09781da8b"> 47</a></span>  <a class="code" href="structgr__block__gw__message__type.html#a59987772ef45d2fa3e97d3094d74427fa0c160b622fbf99febf9a6bb09781da8b">ACTION_WORK</a>, <span class="comment">//dispatch work</span></div>
<div class="line"><a name="l00048"></a><span class="lineno"><a class="code" href="structgr__block__gw__message__type.html#a59987772ef45d2fa3e97d3094d74427faadabe58027757164ff350829698983e3"> 48</a></span>  <a class="code" href="structgr__block__gw__message__type.html#a59987772ef45d2fa3e97d3094d74427faadabe58027757164ff350829698983e3">ACTION_FORECAST</a>, <span class="comment">//dispatch forecast</span></div>
<div class="line"><a name="l00049"></a><span class="lineno"><a class="code" href="structgr__block__gw__message__type.html#a59987772ef45d2fa3e97d3094d74427fadbbc1dd6df1826eedf870420ee3ec8c3"> 49</a></span>  <a class="code" href="structgr__block__gw__message__type.html#a59987772ef45d2fa3e97d3094d74427fadbbc1dd6df1826eedf870420ee3ec8c3">ACTION_START</a>, <span class="comment">//dispatch start</span></div>
<div class="line"><a name="l00050"></a><span class="lineno"><a class="code" href="structgr__block__gw__message__type.html#a59987772ef45d2fa3e97d3094d74427fa6ca448c9fd35be700ebb81b7ee3614ed"> 50</a></span>  <a class="code" href="structgr__block__gw__message__type.html#a59987772ef45d2fa3e97d3094d74427fa6ca448c9fd35be700ebb81b7ee3614ed">ACTION_STOP</a>, <span class="comment">//dispatch stop</span></div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  };</div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span> </div>
<div class="line"><a name="l00053"></a><span class="lineno"><a class="code" href="structgr__block__gw__message__type.html#a78e34594b2a8976f8d9d0b4ed53c5bac"> 53</a></span>  <a class="code" href="structgr__block__gw__message__type.html#a59987772ef45d2fa3e97d3094d74427f">action_type</a> <a class="code" href="structgr__block__gw__message__type.html#a78e34594b2a8976f8d9d0b4ed53c5bac">action</a>;</div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span> </div>
<div class="line"><a name="l00055"></a><span class="lineno"><a class="code" href="structgr__block__gw__message__type.html#a9dfb78a5af3fe7c153096388a24a36a1"> 55</a></span>  <span class="keywordtype">int</span> <a class="code" href="structgr__block__gw__message__type.html#a9dfb78a5af3fe7c153096388a24a36a1">general_work_args_noutput_items</a>;</div>
<div class="line"><a name="l00056"></a><span class="lineno"><a class="code" href="structgr__block__gw__message__type.html#a274df2f89275db5543cd66fa1fcb245e"> 56</a></span>  std::vector<int> <a class="code" href="structgr__block__gw__message__type.html#a274df2f89275db5543cd66fa1fcb245e">general_work_args_ninput_items</a>;</div>
<div class="line"><a name="l00057"></a><span class="lineno"><a class="code" href="structgr__block__gw__message__type.html#a50f9a2237a908ef99cfc096992436135"> 57</a></span>  std::vector<void *> <a class="code" href="structgr__block__gw__message__type.html#a50f9a2237a908ef99cfc096992436135">general_work_args_input_items</a>; <span class="comment">//TODO this should be const void*, but swig cant int cast it right</span></div>
<div class="line"><a name="l00058"></a><span class="lineno"><a class="code" href="structgr__block__gw__message__type.html#a5194941346486361529bba2efd3291b2"> 58</a></span>  std::vector<void *> <a class="code" href="structgr__block__gw__message__type.html#a5194941346486361529bba2efd3291b2">general_work_args_output_items</a>;</div>
<div class="line"><a name="l00059"></a><span class="lineno"><a class="code" href="structgr__block__gw__message__type.html#a347209cdbcabc3aabb82f8b9242f5c66"> 59</a></span>  <span class="keywordtype">int</span> <a class="code" href="structgr__block__gw__message__type.html#a347209cdbcabc3aabb82f8b9242f5c66">general_work_args_return_value</a>;</div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span> </div>
<div class="line"><a name="l00061"></a><span class="lineno"><a class="code" href="structgr__block__gw__message__type.html#a9b36f1f9ffee07f6ab2161145be4cb73"> 61</a></span>  <span class="keywordtype">int</span> <a class="code" href="structgr__block__gw__message__type.html#a9b36f1f9ffee07f6ab2161145be4cb73">work_args_ninput_items</a>;</div>
<div class="line"><a name="l00062"></a><span class="lineno"><a class="code" href="structgr__block__gw__message__type.html#ad94f7a8b8d0ae5638f3138bbfa6b5588"> 62</a></span>  <span class="keywordtype">int</span> <a class="code" href="structgr__block__gw__message__type.html#ad94f7a8b8d0ae5638f3138bbfa6b5588">work_args_noutput_items</a>;</div>
<div class="line"><a name="l00063"></a><span class="lineno"><a class="code" href="structgr__block__gw__message__type.html#a3f309bd5a89c354182d0adee479d5f51"> 63</a></span>  std::vector<void *> <a class="code" href="structgr__block__gw__message__type.html#a3f309bd5a89c354182d0adee479d5f51">work_args_input_items</a>; <span class="comment">//TODO this should be const void*, but swig cant int cast it right</span></div>
<div class="line"><a name="l00064"></a><span class="lineno"><a class="code" href="structgr__block__gw__message__type.html#af90b82f38ed0c77d48c9420c98ed7980"> 64</a></span>  std::vector<void *> <a class="code" href="structgr__block__gw__message__type.html#af90b82f38ed0c77d48c9420c98ed7980">work_args_output_items</a>;</div>
<div class="line"><a name="l00065"></a><span class="lineno"><a class="code" href="structgr__block__gw__message__type.html#a53a331469d4ad1114fdb51e29b8a086c"> 65</a></span>  <span class="keywordtype">int</span> <a class="code" href="structgr__block__gw__message__type.html#a53a331469d4ad1114fdb51e29b8a086c">work_args_return_value</a>;</div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span> </div>
<div class="line"><a name="l00067"></a><span class="lineno"><a class="code" href="structgr__block__gw__message__type.html#af3d2b10d06d436e1b551fbb37d99dd15"> 67</a></span>  <span class="keywordtype">int</span> <a class="code" href="structgr__block__gw__message__type.html#af3d2b10d06d436e1b551fbb37d99dd15">forecast_args_noutput_items</a>;</div>
<div class="line"><a name="l00068"></a><span class="lineno"><a class="code" href="structgr__block__gw__message__type.html#a05c35c0dc338aee6355859f87d32635a"> 68</a></span>  std::vector<int> <a class="code" href="structgr__block__gw__message__type.html#a05c35c0dc338aee6355859f87d32635a">forecast_args_ninput_items_required</a>;</div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span> </div>
<div class="line"><a name="l00070"></a><span class="lineno"><a class="code" href="structgr__block__gw__message__type.html#a0e942303ed9982042aff7d874c6aca1e"> 70</a></span>  <span class="keywordtype">bool</span> <a class="code" href="structgr__block__gw__message__type.html#a0e942303ed9982042aff7d874c6aca1e">start_args_return_value</a>;</div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span> </div>
<div class="line"><a name="l00072"></a><span class="lineno"><a class="code" href="structgr__block__gw__message__type.html#afb8ce2e8afc294d08a01d811b30d5c16"> 72</a></span>  <span class="keywordtype">bool</span> <a class="code" href="structgr__block__gw__message__type.html#afb8ce2e8afc294d08a01d811b30d5c16">stop_args_return_value</a>;</div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span> };</div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span> <span class="comment"></span></div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span> <span class="comment">/*!</span></div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span> <span class="comment"> * The gateway block which performs all the magic.</span></div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span> <span class="comment"> * The gateway provides access to all the gr_block routines.</span></div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span> <span class="comment"> * The methods prefixed with gr_block__ are renamed</span></div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span> <span class="comment"> * to class methods without the prefix in python.</span></div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00082"></a><span class="lineno"><a class="code" href="classgr__block__gateway.html"> 82</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__block__gateway.html">gr_block_gateway</a> : <span class="keyword">virtual</span> <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="l00083"></a><span class="lineno"> 83</span> <span class="keyword">public</span>:<span class="comment"></span></div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span> <span class="comment"> //! Provide access to the shared message object</span></div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span> <span class="comment"></span> <span class="keyword">virtual</span> <a class="code" href="structgr__block__gw__message__type.html">gr_block_gw_message_type</a> &gr_block_message(<span class="keywordtype">void</span>) = 0;</div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span> </div>
<div class="line"><a name="l00087"></a><span class="lineno"><a class="code" href="classgr__block__gateway.html#ad4d8947fcf344d27672eda902e6996ec"> 87</a></span>  <span class="keywordtype">long</span> <a class="code" href="classgr__block__gateway.html#ad4d8947fcf344d27672eda902e6996ec">gr_block__unique_id</a>(<span class="keywordtype">void</span>)<span class="keyword"> const</span>{</div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  <span class="keywordflow">return</span> <a class="code" href="classgr__basic__block.html#aa2a2947744d418c5470fbf4e623b58fe">gr_block::unique_id</a>();</div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  }</div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span> </div>
<div class="line"><a name="l00091"></a><span class="lineno"><a class="code" href="classgr__block__gateway.html#a05cf3297ae0d714e40a059bd8a15975d"> 91</a></span>  std::string <a class="code" href="classgr__block__gateway.html#a05cf3297ae0d714e40a059bd8a15975d">gr_block__name</a>(<span class="keywordtype">void</span>)<span class="keyword"> const</span>{</div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <span class="keywordflow">return</span> <a class="code" href="classgr__basic__block.html#aa12a20d8b8eab341da935530d29299d2">gr_block::name</a>();</div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  }</div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span> </div>
<div class="line"><a name="l00095"></a><span class="lineno"><a class="code" href="classgr__block__gateway.html#abe0c5869c330a8f2e9cfc4635ad96d5d"> 95</a></span>  <span class="keywordtype">unsigned</span> <a class="code" href="classgr__block__gateway.html#abe0c5869c330a8f2e9cfc4635ad96d5d">gr_block__history</a>(<span class="keywordtype">void</span>)<span class="keyword"> const</span>{</div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <span class="keywordflow">return</span> <a class="code" href="classgr__block.html#ad3b305a663f4b5b5c4e17070d00f05d9">gr_block::history</a>();</div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  }</div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span> </div>
<div class="line"><a name="l00099"></a><span class="lineno"><a class="code" href="classgr__block__gateway.html#a2d8f5400d54e2b9b364de708df662c31"> 99</a></span>  <span class="keywordtype">void</span> <a class="code" href="classgr__block__gateway.html#a2d8f5400d54e2b9b364de708df662c31">gr_block__set_history</a>(<span class="keywordtype">unsigned</span> history){</div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  <span class="keywordflow">return</span> <a class="code" href="classgr__block.html#a7c1c85a2d47f72255efd821a6f98f7ba">gr_block::set_history</a>(history);</div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  }</div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span> </div>
<div class="line"><a name="l00103"></a><span class="lineno"><a class="code" href="classgr__block__gateway.html#a738f4d276109b660925707f51971ee51"> 103</a></span>  <span class="keywordtype">void</span> <a class="code" href="classgr__block__gateway.html#a738f4d276109b660925707f51971ee51">gr_block__set_fixed_rate</a>(<span class="keywordtype">bool</span> fixed_rate){</div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  <span class="keywordflow">return</span> <a class="code" href="classgr__block.html#a176a95343488a9a760c8edf8bb08db20">gr_block::set_fixed_rate</a>(fixed_rate);</div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  }</div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span> </div>
<div class="line"><a name="l00107"></a><span class="lineno"><a class="code" href="classgr__block__gateway.html#aecbed9e2ed9ccd13dfe2358a68fe3ce2"> 107</a></span>  <span class="keywordtype">bool</span> <a class="code" href="classgr__block__gateway.html#aecbed9e2ed9ccd13dfe2358a68fe3ce2">gr_block__fixed_rate</a>(<span class="keywordtype">void</span>)<span class="keyword"> const</span>{</div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  <span class="keywordflow">return</span> <a class="code" href="classgr__block.html#ab4eeb29440f674815ab3b44b4fb0c34d" title="Return true if this block has a fixed input to output rate.">gr_block::fixed_rate</a>();</div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  }</div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span> </div>
<div class="line"><a name="l00111"></a><span class="lineno"><a class="code" href="classgr__block__gateway.html#ad8691fe016f84238b1ca6786e58a1578"> 111</a></span>  <span class="keywordtype">void</span> <a class="code" href="classgr__block__gateway.html#ad8691fe016f84238b1ca6786e58a1578">gr_block__set_output_multiple</a>(<span class="keywordtype">int</span> multiple){</div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  <span class="keywordflow">return</span> <a class="code" href="classgr__block.html#a14e8b799f920e52afb93fac413b1a729" title="Constrain the noutput_items argument passed to forecast and general_work.">gr_block::set_output_multiple</a>(multiple);</div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  }</div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span> </div>
<div class="line"><a name="l00115"></a><span class="lineno"><a class="code" href="classgr__block__gateway.html#ac161cb0d58a180dc80f050e46d1072f7"> 115</a></span>  <span class="keywordtype">int</span> <a class="code" href="classgr__block__gateway.html#ac161cb0d58a180dc80f050e46d1072f7">gr_block__output_multiple</a>(<span class="keywordtype">void</span>)<span class="keyword"> const</span>{</div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  <span class="keywordflow">return</span> <a class="code" href="classgr__block.html#ade8590e9cba9ccfe1b870be46b1416c2">gr_block::output_multiple</a>();</div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  }</div>
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span> </div>
<div class="line"><a name="l00119"></a><span class="lineno"><a class="code" href="classgr__block__gateway.html#aaf182612a7da241a88784ab76cf85257"> 119</a></span>  <span class="keywordtype">void</span> <a class="code" href="classgr__block__gateway.html#aaf182612a7da241a88784ab76cf85257">gr_block__consume</a>(<span class="keywordtype">int</span> which_input, <span class="keywordtype">int</span> how_many_items){</div>
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  <span class="keywordflow">return</span> <a class="code" href="classgr__block.html#ac76b4c53af762a819bca003d5b5cb4d1" title="Tell the scheduler how_many_items of input stream which_input were consumed.">gr_block::consume</a>(which_input, how_many_items);</div>
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  }</div>
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span> </div>
<div class="line"><a name="l00123"></a><span class="lineno"><a class="code" href="classgr__block__gateway.html#aa947d5f542aa77de731d9d4882717804"> 123</a></span>  <span class="keywordtype">void</span> <a class="code" href="classgr__block__gateway.html#aa947d5f542aa77de731d9d4882717804">gr_block__consume_each</a>(<span class="keywordtype">int</span> how_many_items){</div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  <span class="keywordflow">return</span> <a class="code" href="classgr__block.html#a64e9a2096975841b72ff3c1662d27df9" title="Tell the scheduler how_many_items were consumed on each input stream.">gr_block::consume_each</a>(how_many_items);</div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  }</div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span> </div>
<div class="line"><a name="l00127"></a><span class="lineno"><a class="code" href="classgr__block__gateway.html#ac96005a4af5c3a2fca27a5783f0df530"> 127</a></span>  <span class="keywordtype">void</span> <a class="code" href="classgr__block__gateway.html#ac96005a4af5c3a2fca27a5783f0df530">gr_block__produce</a>(<span class="keywordtype">int</span> which_output, <span class="keywordtype">int</span> how_many_items){</div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  <span class="keywordflow">return</span> <a class="code" href="classgr__block.html#a7617c4eac84059b96d1a4da40c6d542c" title="Tell the scheduler how_many_items were produced on output stream which_output.">gr_block::produce</a>(which_output, how_many_items);</div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  }</div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span> </div>
<div class="line"><a name="l00131"></a><span class="lineno"><a class="code" href="classgr__block__gateway.html#a7931e9e4219174fe8e89aec737f66746"> 131</a></span>  <span class="keywordtype">void</span> <a class="code" href="classgr__block__gateway.html#a7931e9e4219174fe8e89aec737f66746">gr_block__set_relative_rate</a>(<span class="keywordtype">double</span> relative_rate){</div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  <span class="keywordflow">return</span> <a class="code" href="classgr__block.html#ab9dc7e6d30692bbfa65fc7c4eef6fc9d" title="Set the approximate output rate / input rate.">gr_block::set_relative_rate</a>(relative_rate);</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"><a class="code" href="classgr__block__gateway.html#a385e9a21dc851664c2bd658fc2db921b"> 135</a></span>  <span class="keywordtype">double</span> <a class="code" href="classgr__block__gateway.html#a385e9a21dc851664c2bd658fc2db921b">gr_block__relative_rate</a>(<span class="keywordtype">void</span>)<span class="keyword"> const</span>{</div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  <span class="keywordflow">return</span> <a class="code" href="classgr__block.html#aa9df8c4d3fb92bde98900831546f8b97" title="return the approximate output rate / input rate">gr_block::relative_rate</a>();</div>
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  }</div>
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span> </div>
<div class="line"><a name="l00139"></a><span class="lineno"><a class="code" href="classgr__block__gateway.html#a648c84a56df47aa6c4458b96c2f6a19d"> 139</a></span>  <a class="code" href="stdint_8h.html#aec6fcb673ff035718c238c8c9d544c47">uint64_t</a> <a class="code" href="classgr__block__gateway.html#a648c84a56df47aa6c4458b96c2f6a19d">gr_block__nitems_read</a>(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> which_input){</div>
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  <span class="keywordflow">return</span> <a class="code" href="classgr__block.html#a6ecd7d572bcde020949502875dfa737e" title="Return the number of items read on input stream which_input.">gr_block::nitems_read</a>(which_input);</div>
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  }</div>
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span> </div>
<div class="line"><a name="l00143"></a><span class="lineno"><a class="code" href="classgr__block__gateway.html#a1fe2c3787ee9dd9d1d9dc5ae19267a01"> 143</a></span>  <a class="code" href="stdint_8h.html#aec6fcb673ff035718c238c8c9d544c47">uint64_t</a> <a class="code" href="classgr__block__gateway.html#a1fe2c3787ee9dd9d1d9dc5ae19267a01">gr_block__nitems_written</a>(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> which_output){</div>
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  <span class="keywordflow">return</span> <a class="code" href="classgr__block.html#a476660b94dd365f8b59075fdbcb79cd2" title="Return the number of items written on output stream which_output.">gr_block::nitems_written</a>(which_output);</div>
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  }</div>
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span> </div>
<div class="line"><a name="l00147"></a><span class="lineno"><a class="code" href="classgr__block__gateway.html#a0f1e4d7bc9f34809b03a418c244dd073"> 147</a></span>  <a class="code" href="classgr__block.html#a32561c88f124ea07881879fe79840f61">gr_block::tag_propagation_policy_t</a> <a class="code" href="classgr__block__gateway.html#a0f1e4d7bc9f34809b03a418c244dd073">gr_block__tag_propagation_policy</a>(<span class="keywordtype">void</span>){</div>
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  <span class="keywordflow">return</span> <a class="code" href="classgr__block.html#a46e8fbf665a9a3182a9cc4d3e4402118" title="Asks for the policy used by the scheduler to moved tags downstream.">gr_block::tag_propagation_policy</a>();</div>
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  }</div>
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span> </div>
<div class="line"><a name="l00151"></a><span class="lineno"><a class="code" href="classgr__block__gateway.html#ab629d86ab45700efd1e48a7d666d2ee7"> 151</a></span>  <span class="keywordtype">void</span> <a class="code" href="classgr__block__gateway.html#ab629d86ab45700efd1e48a7d666d2ee7">gr_block__set_tag_propagation_policy</a>(<a class="code" href="classgr__block.html#a32561c88f124ea07881879fe79840f61">gr_block::tag_propagation_policy_t</a> p){</div>
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  <span class="keywordflow">return</span> <a class="code" href="classgr__block.html#af9bce945f28950c1800d8deb6bb997a1" title="Set the policy by the scheduler to determine how tags are moved downstream.">gr_block::set_tag_propagation_policy</a>(p);</div>
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  }</div>
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span> </div>
<div class="line"><a name="l00155"></a><span class="lineno"><a class="code" href="classgr__block__gateway.html#a14b03036863864b1232fed1e45cbe71d"> 155</a></span>  <span class="keywordtype">void</span> gr_block__add_item_tag(</div>
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> which_output, <span class="keyword">const</span> <a class="code" href="structgr__tag__t.html">gr_tag_t</a> &tag</div>
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  ){</div>
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  <span class="keywordflow">return</span> <a class="code" href="classgr__block.html#a7578dece9d597abe61db91aae8a0df83" title="Adds a new tag onto the given output buffer.">gr_block::add_item_tag</a>(which_output, tag);</div>
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  }</div>
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span> </div>
<div class="line"><a name="l00161"></a><span class="lineno"><a class="code" href="classgr__block__gateway.html#a180d0786bb0e8a992122cce09cd04f70"> 161</a></span>  <span class="keywordtype">void</span> gr_block__add_item_tag(</div>
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> which_output,</div>
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  <a class="code" href="stdint_8h.html#aec6fcb673ff035718c238c8c9d544c47">uint64_t</a> abs_offset,</div>
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  <span class="keyword">const</span> <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> &key,</div>
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  <span class="keyword">const</span> <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> &value,</div>
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  <span class="keyword">const</span> <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> &srcid=<a class="code" href="namespacepmt.html#a92bfd358b0758d5edf5a0fac84ab806f">pmt::PMT_F</a></div>
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  ){</div>
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  <span class="keywordflow">return</span> <a class="code" href="classgr__block.html#a7578dece9d597abe61db91aae8a0df83" title="Adds a new tag onto the given output buffer.">gr_block::add_item_tag</a>(which_output, abs_offset, key, value, srcid);</div>
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  }</div>
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span> </div>
<div class="line"><a name="l00171"></a><span class="lineno"><a class="code" href="classgr__block__gateway.html#ab8911b3ba79491f3e1a57ca11a632653"> 171</a></span>  std::vector<gr_tag_t> gr_block__get_tags_in_range(</div>
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> which_input,</div>
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  <a class="code" href="stdint_8h.html#aec6fcb673ff035718c238c8c9d544c47">uint64_t</a> abs_start,</div>
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  <a class="code" href="stdint_8h.html#aec6fcb673ff035718c238c8c9d544c47">uint64_t</a> abs_end</div>
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  ){</div>
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  std::vector<gr_tag_t> tags;</div>
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  <a class="code" href="classgr__block.html#a54f69c4cd5ef5b05ac58d0128256def1" title="Given a [start,end), returns a vector of all tags in the range.">gr_block::get_tags_in_range</a>(tags, which_input, abs_start, abs_end);</div>
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  <span class="keywordflow">return</span> tags;</div>
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  }</div>
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span> </div>
<div class="line"><a name="l00181"></a><span class="lineno"><a class="code" href="classgr__block__gateway.html#a949759c7480d63a9ac346af9d1ef92a9"> 181</a></span>  std::vector<gr_tag_t> gr_block__get_tags_in_range(</div>
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> which_input,</div>
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  <a class="code" href="stdint_8h.html#aec6fcb673ff035718c238c8c9d544c47">uint64_t</a> abs_start,</div>
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  <a class="code" href="stdint_8h.html#aec6fcb673ff035718c238c8c9d544c47">uint64_t</a> abs_end,</div>
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  <span class="keyword">const</span> <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> &key</div>
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  ){</div>
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  std::vector<gr_tag_t> tags;</div>
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  <a class="code" href="classgr__block.html#a54f69c4cd5ef5b05ac58d0128256def1" title="Given a [start,end), returns a vector of all tags in the range.">gr_block::get_tags_in_range</a>(tags, which_input, abs_start, abs_end, key);</div>
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  <span class="keywordflow">return</span> tags;</div>
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  }</div>
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span> </div>
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  <span class="comment">/* Message passing interface */</span></div>
<div class="line"><a name="l00193"></a><span class="lineno"><a class="code" href="classgr__block__gateway.html#ae3597d7caf0565217be158ae90502992"> 193</a></span>  <span class="keywordtype">void</span> <a class="code" href="classgr__block__gateway.html#ae3597d7caf0565217be158ae90502992">gr_block__message_port_register_in</a>(<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> port_id){</div>
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  <a class="code" href="classgr__basic__block.html#a29a04836f7bbb7ccdb8ce4057e0fb3c2">gr_basic_block::message_port_register_in</a>(port_id);</div>
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  }</div>
<div class="line"><a name="l00196"></a><span class="lineno"> 196</span> </div>
<div class="line"><a name="l00197"></a><span class="lineno"><a class="code" href="classgr__block__gateway.html#a021e634a77690c3df5ecdc840cfe56ab"> 197</a></span>  <span class="keywordtype">void</span> <a class="code" href="classgr__block__gateway.html#a021e634a77690c3df5ecdc840cfe56ab">gr_block__message_port_register_out</a>(<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> port_id){</div>
<div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  <a class="code" href="classgr__basic__block.html#aff7deffd0983e432c3d7aee067a32a5a">gr_basic_block::message_port_register_out</a>(port_id);</div>
<div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  }</div>
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span> </div>
<div class="line"><a name="l00201"></a><span class="lineno"><a class="code" href="classgr__block__gateway.html#a51cb6279f3c469dd3e5504c6844d4b2a"> 201</a></span>  <span class="keywordtype">void</span> <a class="code" href="classgr__block__gateway.html#a51cb6279f3c469dd3e5504c6844d4b2a">gr_block__message_port_pub</a>(<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> port_id, <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="l00202"></a><span class="lineno"> 202</span>  <a class="code" href="classgr__basic__block.html#ad2e662133322e1ba4aa68ca004a2acb0">gr_basic_block::message_port_pub</a>(port_id, msg);</div>
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  }</div>
<div class="line"><a name="l00204"></a><span class="lineno"> 204</span> </div>
<div class="line"><a name="l00205"></a><span class="lineno"><a class="code" href="classgr__block__gateway.html#ad7d9cba9d7309221bed74fcc1b699894"> 205</a></span>  <span class="keywordtype">void</span> <a class="code" href="classgr__block__gateway.html#ad7d9cba9d7309221bed74fcc1b699894">gr_block__message_port_sub</a>(<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> port_id, <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> target){</div>
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  <a class="code" href="classgr__basic__block.html#ad2f0cebb65d0e47575f583146f470011">gr_basic_block::message_port_sub</a>(port_id, target);</div>
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  }</div>
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span> </div>
<div class="line"><a name="l00209"></a><span class="lineno"><a class="code" href="classgr__block__gateway.html#a618efdce356d1aa1630a3653a856f4c4"> 209</a></span>  <span class="keywordtype">void</span> <a class="code" href="classgr__block__gateway.html#a618efdce356d1aa1630a3653a856f4c4">gr_block__message_port_unsub</a>(<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> port_id, <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> target){</div>
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  <a class="code" href="classgr__basic__block.html#af25a8788a85ab7a3a0bc697f89cd66f5">gr_basic_block::message_port_unsub</a>(port_id, target);</div>
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  }</div>
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  </div>
<div class="line"><a name="l00213"></a><span class="lineno"><a class="code" href="classgr__block__gateway.html#aafd0fde134f7614ca4bac2be20a2dc72"> 213</a></span>  <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> <a class="code" href="classgr__block__gateway.html#aafd0fde134f7614ca4bac2be20a2dc72">gr_block__message_ports_in</a>(){</div>
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  <span class="keywordflow">return</span> <a class="code" href="classgr__basic__block.html#add58577b929acfbd4030842773d9c423" title="Get input message port names.">gr_basic_block::message_ports_in</a>();</div>
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  }</div>
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span> </div>
<div class="line"><a name="l00217"></a><span class="lineno"><a class="code" href="classgr__block__gateway.html#ab50307b68a721ab7d437d41edbeb46ed"> 217</a></span>  <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> <a class="code" href="classgr__block__gateway.html#ab50307b68a721ab7d437d41edbeb46ed">gr_block__message_ports_out</a>(){</div>
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  <span class="keywordflow">return</span> <a class="code" href="classgr__basic__block.html#a8a88820559d69eaf1e04ef60c872d5da" title="Get output message port names.">gr_basic_block::message_ports_out</a>();</div>
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  }</div>
<div class="line"><a name="l00220"></a><span class="lineno"> 220</span> </div>
<div class="line"><a name="l00221"></a><span class="lineno"><a class="code" href="classgr__block__gateway.html#a1345bff9aabd543f542c7147d2d30d80"> 221</a></span>  <span class="keywordtype">void</span> set_msg_handler_feval(<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> which_port, <a class="code" href="classgr__feval__p.html" title="base class for evaluating a function: pmt -> voidThis class is designed to be subclassed in Python or ...">gr_feval_p</a> *msg_handler)</div>
<div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  {</div>
<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  <span class="keywordflow">if</span>(msg_queue.find(which_port) == msg_queue.end()){ </div>
<div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  <span class="keywordflow">throw</span> std::runtime_error(<span class="stringliteral">"attempt to set_msg_handler_feval() on bad input message port!"</span>); </div>
<div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  }</div>
<div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  d_msg_handlers_feval[which_port] = msg_handler;</div>
<div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  }</div>
<div class="line"><a name="l00228"></a><span class="lineno"> 228</span> </div>
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span> <span class="keyword">protected</span>:</div>
<div class="line"><a name="l00230"></a><span class="lineno"><a class="code" href="classgr__block__gateway.html#af574d027a0db904111e8cb0412cd336f"> 230</a></span>  <span class="keyword">typedef</span> std::map<pmt::pmt_t, gr_feval_p *, pmt::pmt_comperator> <a class="code" href="classgr__block__gateway.html#af574d027a0db904111e8cb0412cd336f">msg_handlers_feval_t</a>;</div>
<div class="line"><a name="l00231"></a><span class="lineno"><a class="code" href="classgr__block__gateway.html#a80ca9da81b4ced86d3320b74d314ce5e"> 231</a></span>  <a class="code" href="classgr__block__gateway.html#af574d027a0db904111e8cb0412cd336f">msg_handlers_feval_t</a> <a class="code" href="classgr__block__gateway.html#a80ca9da81b4ced86d3320b74d314ce5e">d_msg_handlers_feval</a>;</div>
<div class="line"><a name="l00232"></a><span class="lineno"> 232</span> </div>
<div class="line"><a name="l00233"></a><span class="lineno"><a class="code" href="classgr__block__gateway.html#aa157529a95e973a0072d474e69d0b2f1"> 233</a></span>  <span class="keywordtype">void</span> <a class="code" href="classgr__block__gateway.html#aa157529a95e973a0072d474e69d0b2f1">dispatch_msg</a>(<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> which_port, <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="l00234"></a><span class="lineno"> 234</span>  <span class="comment">// Is there a handler?</span></div>
<div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  <span class="keywordflow">if</span> (d_msg_handlers_feval.find(which_port) != d_msg_handlers_feval.end()){</div>
<div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  d_msg_handlers_feval[which_port]->calleval(msg); <span class="comment">// Yes, invoke it.</span></div>
<div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  }</div>
<div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  <span class="comment">// Pass to generic dispatcher if not found</span></div>
<div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  <a class="code" href="classgr__basic__block.html#a6076946479217a4d22cccfe415dcf172">gr_basic_block::dispatch_msg</a>(which_port, msg);</div>
<div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  }</div>
<div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  }</div>
<div class="line"><a name="l00243"></a><span class="lineno"> 243</span> };</div>
<div class="line"><a name="l00244"></a><span class="lineno"> 244</span> <span class="comment"></span></div>
<div class="line"><a name="l00245"></a><span class="lineno"> 245</span> <span class="comment">/*!</span></div>
<div class="line"><a name="l00246"></a><span class="lineno"> 246</span> <span class="comment"> * Make a new gateway block.</span></div>
<div class="line"><a name="l00247"></a><span class="lineno"> 247</span> <span class="comment"> * \param handler the swig director object with callback</span></div>
<div class="line"><a name="l00248"></a><span class="lineno"> 248</span> <span class="comment"> * \param name the name of the block (Ex: "Shirley")</span></div>
<div class="line"><a name="l00249"></a><span class="lineno"> 249</span> <span class="comment"> * \param in_sig the input signature for this block</span></div>
<div class="line"><a name="l00250"></a><span class="lineno"> 250</span> <span class="comment"> * \param out_sig the output signature for this block</span></div>
<div class="line"><a name="l00251"></a><span class="lineno"> 251</span> <span class="comment"> * \param work_type the type of block overload to implement</span></div>
<div class="line"><a name="l00252"></a><span class="lineno"> 252</span> <span class="comment"> * \param factor the decimation or interpolation factor</span></div>
<div class="line"><a name="l00253"></a><span class="lineno"> 253</span> <span class="comment"> * \return a new gateway block</span></div>
<div class="line"><a name="l00254"></a><span class="lineno"> 254</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00255"></a><span class="lineno"> 255</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">boost::shared_ptr<gr_block_gateway></a> <a class="code" href="gr__block__gateway_8h.html#aedaa4b37c82a87e98714ca04134377d9">gr_make_block_gateway</a>(</div>
<div class="line"><a name="l00256"></a><span class="lineno"> 256</span>  <a class="code" href="classgr__feval__ll.html" title="base class for evaluating a function: long -> longThis class is designed to be subclassed in Python or...">gr_feval_ll</a> *handler,</div>
<div class="line"><a name="l00257"></a><span class="lineno"> 257</span>  <span class="keyword">const</span> std::string &name,</div>
<div class="line"><a name="l00258"></a><span class="lineno"> 258</span>  <a class="code" href="classboost_1_1shared__ptr.html">gr_io_signature_sptr</a> in_sig,</div>
<div class="line"><a name="l00259"></a><span class="lineno"> 259</span>  <a class="code" href="classboost_1_1shared__ptr.html">gr_io_signature_sptr</a> out_sig,</div>
<div class="line"><a name="l00260"></a><span class="lineno"> 260</span>  <span class="keyword">const</span> <a class="code" href="gr__block__gateway_8h.html#a2c3dd80094ed70d765ebe51b00cc5dcc">gr_block_gw_work_type</a> work_type,</div>
<div class="line"><a name="l00261"></a><span class="lineno"> 261</span>  <span class="keyword">const</span> <span class="keywordtype">unsigned</span> factor</div>
<div class="line"><a name="l00262"></a><span class="lineno"> 262</span> );</div>
<div class="line"><a name="l00263"></a><span class="lineno"> 263</span> </div>
<div class="line"><a name="l00264"></a><span class="lineno"> 264</span> <span class="preprocessor">#endif </span><span class="comment">/* INCLUDED_GRBLOCK_GATEWAY_H */</span><span class="preprocessor"></span></div>
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