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<div class="title">CCRakNetSlidingWindow.cpp</div> </div>
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<a href="../../d3/d96/_c_c_rak_net_sliding_window_8cpp.xhtml">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span>&#160;<span class="comment">/*</span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span>&#160;<span class="comment"> * Original work: Copyright (c) 2014, Oculus VR, Inc.</span></div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span>&#160;<span class="comment"> * All rights reserved.</span></div>
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span>&#160;<span class="comment"> * This source code is licensed under the BSD-style license found in the</span></div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span>&#160;<span class="comment"> * RakNet License.txt file in the licenses directory of this source tree. An additional grant </span></div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span>&#160;<span class="comment"> * of patent rights can be found in the RakNet Patents.txt file in the same directory.</span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span>&#160;<span class="comment"> * Modified work: Copyright (c) 2016-2017, SLikeSoft UG (haftungsbeschränkt)</span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span>&#160;<span class="comment"> * This source code was modified by SLikeSoft. Modifications are licensed under the MIT-style</span></div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span>&#160;<span class="comment"> * license found in the license.txt file in the root directory of this source tree.</span></div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span>&#160;</div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="../../d0/dfb/_c_c_rak_net_sliding_window_8h.xhtml">slikenet/CCRakNetSlidingWindow.h</a>&quot;</span></div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span>&#160;</div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span>&#160;<span class="preprocessor">#if USE_SLIDING_WINDOW_CONGESTION_CONTROL==1</span></div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span>&#160;<span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">double</span> <a class="code" href="../../d8/d52/_c_c_rak_net_u_d_t_8cpp.xhtml#a8091bcafbec27f4e2118c1edc9c7038f">UNSET_TIME_US</a>=-1;</div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span>&#160;</div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span>&#160;<span class="preprocessor">#if CC_TIME_TYPE_BYTES==4</span></div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span>&#160;<span class="preprocessor"></span><span class="keyword">static</span> <span class="keyword">const</span> <a class="code" href="../../d0/dfb/_c_c_rak_net_sliding_window_8h.xhtml#af68854e24d09ea8058bf8b27ce0f24e6">CCTimeType</a> <a class="code" href="../../d8/d52/_c_c_rak_net_u_d_t_8cpp.xhtml#a55937587b422b0e8c051011deb28c4a4">SYN</a>=10;</div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span>&#160;<span class="preprocessor">#else</span></div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span>&#160;<span class="preprocessor"></span><span class="keyword">static</span> <span class="keyword">const</span> <a class="code" href="../../d0/dfb/_c_c_rak_net_sliding_window_8h.xhtml#af68854e24d09ea8058bf8b27ce0f24e6">CCTimeType</a> <a class="code" href="../../d8/d52/_c_c_rak_net_u_d_t_8cpp.xhtml#a55937587b422b0e8c051011deb28c4a4">SYN</a>=10000;</div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="../../d2/d24/_m_t_u_size_8h.xhtml" title="[Internal] Defines the default maximum transfer unit.">slikenet/MTUSize.h</a>&quot;</span></div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>&#160;<span class="preprocessor">#include &lt;stdio.h&gt;</span></div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>&#160;<span class="preprocessor">#include &lt;cmath&gt;</span></div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>&#160;<span class="preprocessor">#include &lt;stdlib.h&gt;</span></div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="../../dc/da7/assert_8h.xhtml">slikenet/assert.h</a>&quot;</span></div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="../../d1/d42/alloca_8h.xhtml">slikenet/alloca.h</a>&quot;</span></div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>&#160;</div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>&#160;<span class="keyword">using namespace </span>SLNet;</div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>&#160;</div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>&#160;<span class="comment">// ****************************************************** PUBLIC METHODS ******************************************************</span></div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>&#160;</div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>&#160;<a class="code" href="../../dd/d68/class_s_l_net_1_1_c_c_rak_net_sliding_window.xhtml#a1121e95a320412448007afbcfb061fa2">CCRakNetSlidingWindow::CCRakNetSlidingWindow</a>()</div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>&#160;{</div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>&#160;}</div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>&#160;<span class="comment">// ----------------------------------------------------------------------------------------------------------------------------</span></div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>&#160;<a class="code" href="../../dd/d68/class_s_l_net_1_1_c_c_rak_net_sliding_window.xhtml#a5b04152942c61602b16b101e156d9d3a">CCRakNetSlidingWindow::~CCRakNetSlidingWindow</a>()</div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>&#160;{</div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>&#160;</div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>&#160;}</div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>&#160;<span class="comment">// ----------------------------------------------------------------------------------------------------------------------------</span></div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>&#160;<span class="keywordtype">void</span> <a class="code" href="../../dd/d68/class_s_l_net_1_1_c_c_rak_net_sliding_window.xhtml#a65ead904b5610bcb7b9d5aedbe2ba092" title="Reset all variables to their initial states, for a new connection.">CCRakNetSlidingWindow::Init</a>(<a class="code" href="../../d0/dfb/_c_c_rak_net_sliding_window_8h.xhtml#af68854e24d09ea8058bf8b27ce0f24e6">CCTimeType</a> curTime, <a class="code" href="../../df/df2/_native_types_8h.xhtml#a6eb1e68cc391dd753bc8ce896dbb8315">uint32_t</a> maxDatagramPayload)</div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>&#160;{</div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>&#160; (void) curTime;</div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>&#160;</div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>&#160; <a class="code" href="../../dd/d68/class_s_l_net_1_1_c_c_rak_net_sliding_window.xhtml#ad5ed60de06715a4a2455f563ce479a3c">lastRtt</a>=<a class="code" href="../../dd/d68/class_s_l_net_1_1_c_c_rak_net_sliding_window.xhtml#a31d66c05668f3d05f08d2d405e5b41eb">estimatedRTT</a>=<a class="code" href="../../dd/d68/class_s_l_net_1_1_c_c_rak_net_sliding_window.xhtml#ac8d552b986fe04d789909b377ade2a0f">deviationRtt</a>=<a class="code" href="../../d8/d52/_c_c_rak_net_u_d_t_8cpp.xhtml#a8091bcafbec27f4e2118c1edc9c7038f">UNSET_TIME_US</a>;</div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>&#160; <a class="code" href="../../d8/db0/defines_8h.xhtml#afaa3647d29f5960651eb23fd3d2b5368">RakAssert</a>(maxDatagramPayload &lt;= <a class="code" href="../../d2/d24/_m_t_u_size_8h.xhtml#a39d9da73f39bf9acabfc9e0ad2ae97c5">MAXIMUM_MTU_SIZE</a>);</div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>&#160; <a class="code" href="../../dd/d68/class_s_l_net_1_1_c_c_rak_net_sliding_window.xhtml#afa36e77d1d60ef91d8ad186cc8166c89">MAXIMUM_MTU_INCLUDING_UDP_HEADER</a>=maxDatagramPayload;</div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>&#160; <a class="code" href="../../dd/d68/class_s_l_net_1_1_c_c_rak_net_sliding_window.xhtml#ac7ec19f4ce6df6b2d5e21f17330f8d6e">cwnd</a>=maxDatagramPayload;</div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>&#160; <a class="code" href="../../dd/d68/class_s_l_net_1_1_c_c_rak_net_sliding_window.xhtml#a49ae0029e074d8cf7159ec94e512e256">ssThresh</a>=0.0;</div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>&#160; <a class="code" href="../../dd/d68/class_s_l_net_1_1_c_c_rak_net_sliding_window.xhtml#a6daa3c9ea01cb4da42e7684457a5f736">oldestUnsentAck</a>=0;</div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>&#160; <a class="code" href="../../dd/d68/class_s_l_net_1_1_c_c_rak_net_sliding_window.xhtml#ae19101f7f41f54027830d22d2c2e950d" title="Every outgoing datagram is assigned a sequence number, which increments by 1 every assignment...">nextDatagramSequenceNumber</a>=0;</div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>&#160; <a class="code" href="../../dd/d68/class_s_l_net_1_1_c_c_rak_net_sliding_window.xhtml#abdf9a85716394acf4345c03ff944d683">nextCongestionControlBlock</a>=0;</div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>&#160; <a class="code" href="../../dd/d68/class_s_l_net_1_1_c_c_rak_net_sliding_window.xhtml#ac17ef69900aeefc7c290e3f9b1a836fb">backoffThisBlock</a>=<a class="code" href="../../dd/d68/class_s_l_net_1_1_c_c_rak_net_sliding_window.xhtml#a09ae3fbc0d4d0675096a2f21635be7c5">speedUpThisBlock</a>=<span class="keyword">false</span>;</div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>&#160; <a class="code" href="../../dd/d68/class_s_l_net_1_1_c_c_rak_net_sliding_window.xhtml#a9bf408527629f8a98e9cf6ebf6d70d84">expectedNextSequenceNumber</a>=0;</div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>&#160; <a class="code" href="../../dd/d68/class_s_l_net_1_1_c_c_rak_net_sliding_window.xhtml#a18b35cd38cf16c3b7860e297353f155e">_isContinuousSend</a>=<span class="keyword">false</span>;</div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>&#160;}</div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>&#160;<span class="comment">// ----------------------------------------------------------------------------------------------------------------------------</span></div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>&#160;<span class="keywordtype">void</span> <a class="code" href="../../dd/d68/class_s_l_net_1_1_c_c_rak_net_sliding_window.xhtml#af9c5cf2adc3ec317f165d8f3efef9768" title="Update over time.">CCRakNetSlidingWindow::Update</a>(<a class="code" href="../../d0/dfb/_c_c_rak_net_sliding_window_8h.xhtml#af68854e24d09ea8058bf8b27ce0f24e6">CCTimeType</a> curTime, <span class="keywordtype">bool</span> hasDataToSendOrResend)</div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>&#160;{</div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>&#160; (void) curTime;</div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>&#160; (void) hasDataToSendOrResend;</div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>&#160;}</div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>&#160;<span class="comment">// ----------------------------------------------------------------------------------------------------------------------------</span></div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>&#160;<span class="keywordtype">int</span> <a class="code" href="../../dd/d68/class_s_l_net_1_1_c_c_rak_net_sliding_window.xhtml#a0a570e7f1363a07aa5fc02f47a8fb1af">CCRakNetSlidingWindow::GetRetransmissionBandwidth</a>(<a class="code" href="../../d0/dfb/_c_c_rak_net_sliding_window_8h.xhtml#af68854e24d09ea8058bf8b27ce0f24e6">CCTimeType</a> curTime, <a class="code" href="../../d0/dfb/_c_c_rak_net_sliding_window_8h.xhtml#af68854e24d09ea8058bf8b27ce0f24e6">CCTimeType</a> timeSinceLastTick, <a class="code" href="../../df/df2/_native_types_8h.xhtml#a6eb1e68cc391dd753bc8ce896dbb8315">uint32_t</a> unacknowledgedBytes, <span class="keywordtype">bool</span> isContinuousSend)</div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>&#160;{</div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>&#160; (void) curTime;</div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>&#160; (void) isContinuousSend;</div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>&#160; (void) timeSinceLastTick;</div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>&#160;</div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>&#160; <span class="keywordflow">return</span> unacknowledgedBytes;</div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>&#160;}</div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>&#160;<span class="comment">// ----------------------------------------------------------------------------------------------------------------------------</span></div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>&#160;<span class="keywordtype">int</span> <a class="code" href="../../dd/d68/class_s_l_net_1_1_c_c_rak_net_sliding_window.xhtml#a0240d5c3ea1246a1f95073749dfbd287">CCRakNetSlidingWindow::GetTransmissionBandwidth</a>(<a class="code" href="../../d0/dfb/_c_c_rak_net_sliding_window_8h.xhtml#af68854e24d09ea8058bf8b27ce0f24e6">CCTimeType</a> curTime, <a class="code" href="../../d0/dfb/_c_c_rak_net_sliding_window_8h.xhtml#af68854e24d09ea8058bf8b27ce0f24e6">CCTimeType</a> timeSinceLastTick, <a class="code" href="../../df/df2/_native_types_8h.xhtml#a6eb1e68cc391dd753bc8ce896dbb8315">uint32_t</a> unacknowledgedBytes, <span class="keywordtype">bool</span> isContinuousSend)</div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>&#160;{</div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>&#160; (void) curTime;</div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>&#160; (void) timeSinceLastTick;</div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>&#160;</div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>&#160; <a class="code" href="../../dd/d68/class_s_l_net_1_1_c_c_rak_net_sliding_window.xhtml#a18b35cd38cf16c3b7860e297353f155e">_isContinuousSend</a>=isContinuousSend;</div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>&#160;</div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>&#160; <span class="keywordflow">if</span> (unacknowledgedBytes&lt;=<a class="code" href="../../dd/d68/class_s_l_net_1_1_c_c_rak_net_sliding_window.xhtml#ac7ec19f4ce6df6b2d5e21f17330f8d6e">cwnd</a>)</div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>&#160; <span class="keywordflow">return</span> (<span class="keywordtype">int</span>) (<a class="code" href="../../dd/d68/class_s_l_net_1_1_c_c_rak_net_sliding_window.xhtml#ac7ec19f4ce6df6b2d5e21f17330f8d6e">cwnd</a>-unacknowledgedBytes);</div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>&#160; <span class="keywordflow">else</span></div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>&#160; <span class="keywordflow">return</span> 0;</div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>&#160;}</div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>&#160;<span class="comment">// ----------------------------------------------------------------------------------------------------------------------------</span></div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>&#160;<span class="keywordtype">bool</span> <a class="code" href="../../dd/d68/class_s_l_net_1_1_c_c_rak_net_sliding_window.xhtml#ae0bf8d4ef21a7e4a8abf7f4e424e182c">CCRakNetSlidingWindow::ShouldSendACKs</a>(<a class="code" href="../../d0/dfb/_c_c_rak_net_sliding_window_8h.xhtml#af68854e24d09ea8058bf8b27ce0f24e6">CCTimeType</a> curTime, <a class="code" href="../../d0/dfb/_c_c_rak_net_sliding_window_8h.xhtml#af68854e24d09ea8058bf8b27ce0f24e6">CCTimeType</a> estimatedTimeToNextTick)</div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>&#160;{</div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>&#160; <a class="code" href="../../d0/dfb/_c_c_rak_net_sliding_window_8h.xhtml#af68854e24d09ea8058bf8b27ce0f24e6">CCTimeType</a> rto = <a class="code" href="../../dd/d68/class_s_l_net_1_1_c_c_rak_net_sliding_window.xhtml#a700e3d07b59bbbb0ca0005e6545d7d71">GetSenderRTOForACK</a>();</div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>&#160; (void) estimatedTimeToNextTick;</div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>&#160;</div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>&#160; <span class="comment">// iphone crashes on comparison between double and int64 http://www.jenkinssoftware.com/forum/index.php?topic=2717.0</span></div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>&#160; <span class="keywordflow">if</span> (rto==(<a class="code" href="../../d0/dfb/_c_c_rak_net_sliding_window_8h.xhtml#af68854e24d09ea8058bf8b27ce0f24e6">CCTimeType</a>) <a class="code" href="../../d8/d52/_c_c_rak_net_u_d_t_8cpp.xhtml#a8091bcafbec27f4e2118c1edc9c7038f">UNSET_TIME_US</a>)</div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>&#160; {</div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>&#160; <span class="comment">// Unknown how long until the remote system will retransmit, so better send right away</span></div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>&#160; <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>&#160; }</div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>&#160;</div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>&#160; <span class="keywordflow">return</span> curTime &gt;= <a class="code" href="../../dd/d68/class_s_l_net_1_1_c_c_rak_net_sliding_window.xhtml#a6daa3c9ea01cb4da42e7684457a5f736">oldestUnsentAck</a> + <a class="code" href="../../d8/d52/_c_c_rak_net_u_d_t_8cpp.xhtml#a55937587b422b0e8c051011deb28c4a4">SYN</a>;</div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>&#160;}</div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>&#160;<span class="comment">// ----------------------------------------------------------------------------------------------------------------------------</span></div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>&#160;<a class="code" href="../../d9/d6a/struct_s_l_net_1_1uint24__t.xhtml">DatagramSequenceNumberType</a> <a class="code" href="../../dd/d68/class_s_l_net_1_1_c_c_rak_net_sliding_window.xhtml#a6e5f5dbabedba16b5d531ac5f579b4b1">CCRakNetSlidingWindow::GetNextDatagramSequenceNumber</a>(<span class="keywordtype">void</span>)</div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>&#160;{</div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>&#160; <span class="keywordflow">return</span> <a class="code" href="../../dd/d68/class_s_l_net_1_1_c_c_rak_net_sliding_window.xhtml#ae19101f7f41f54027830d22d2c2e950d" title="Every outgoing datagram is assigned a sequence number, which increments by 1 every assignment...">nextDatagramSequenceNumber</a>;</div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>&#160;}</div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>&#160;<span class="comment">// ----------------------------------------------------------------------------------------------------------------------------</span></div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>&#160;<a class="code" href="../../d9/d6a/struct_s_l_net_1_1uint24__t.xhtml">DatagramSequenceNumberType</a> <a class="code" href="../../dd/d68/class_s_l_net_1_1_c_c_rak_net_sliding_window.xhtml#a0f67214ccf63488a0e725e438cba8413">CCRakNetSlidingWindow::GetAndIncrementNextDatagramSequenceNumber</a>(<span class="keywordtype">void</span>)</div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>&#160;{</div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>&#160; <a class="code" href="../../d9/d6a/struct_s_l_net_1_1uint24__t.xhtml">DatagramSequenceNumberType</a> dsnt=<a class="code" href="../../dd/d68/class_s_l_net_1_1_c_c_rak_net_sliding_window.xhtml#ae19101f7f41f54027830d22d2c2e950d" title="Every outgoing datagram is assigned a sequence number, which increments by 1 every assignment...">nextDatagramSequenceNumber</a>;</div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>&#160; <a class="code" href="../../dd/d68/class_s_l_net_1_1_c_c_rak_net_sliding_window.xhtml#ae19101f7f41f54027830d22d2c2e950d" title="Every outgoing datagram is assigned a sequence number, which increments by 1 every assignment...">nextDatagramSequenceNumber</a>++;</div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>&#160; <span class="keywordflow">return</span> dsnt;</div>
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>&#160;}</div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>&#160;<span class="comment">// ----------------------------------------------------------------------------------------------------------------------------</span></div>
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>&#160;<span class="keywordtype">void</span> <a class="code" href="../../dd/d68/class_s_l_net_1_1_c_c_rak_net_sliding_window.xhtml#a582e898a54d4dc5f946a511bcb724c78">CCRakNetSlidingWindow::OnSendBytes</a>(<a class="code" href="../../d0/dfb/_c_c_rak_net_sliding_window_8h.xhtml#af68854e24d09ea8058bf8b27ce0f24e6">CCTimeType</a> curTime, <a class="code" href="../../df/df2/_native_types_8h.xhtml#a6eb1e68cc391dd753bc8ce896dbb8315">uint32_t</a> numBytes)</div>
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>&#160;{</div>
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>&#160; (void) curTime;</div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>&#160; (void) numBytes;</div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>&#160;}</div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>&#160;<span class="comment">// ----------------------------------------------------------------------------------------------------------------------------</span></div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>&#160;<span class="keywordtype">void</span> <a class="code" href="../../dd/d68/class_s_l_net_1_1_c_c_rak_net_sliding_window.xhtml#afaf69c11fd208e0c549d13079b0d184f" title="Call this when you get a packet pair.">CCRakNetSlidingWindow::OnGotPacketPair</a>(<a class="code" href="../../d9/d6a/struct_s_l_net_1_1uint24__t.xhtml">DatagramSequenceNumberType</a> datagramSequenceNumber, <a class="code" href="../../df/df2/_native_types_8h.xhtml#a6eb1e68cc391dd753bc8ce896dbb8315">uint32_t</a> sizeInBytes, <a class="code" href="../../d0/dfb/_c_c_rak_net_sliding_window_8h.xhtml#af68854e24d09ea8058bf8b27ce0f24e6">CCTimeType</a> curTime)</div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>&#160;{</div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>&#160; (void) curTime;</div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>&#160; (void) sizeInBytes;</div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>&#160; (void) datagramSequenceNumber;</div>
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>&#160;}</div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>&#160;<span class="comment">// ----------------------------------------------------------------------------------------------------------------------------</span></div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>&#160;<span class="keywordtype">bool</span> <a class="code" href="../../dd/d68/class_s_l_net_1_1_c_c_rak_net_sliding_window.xhtml#a2bfdcc41ab28fe3af677501e64eca96d">CCRakNetSlidingWindow::OnGotPacket</a>(<a class="code" href="../../d9/d6a/struct_s_l_net_1_1uint24__t.xhtml">DatagramSequenceNumberType</a> datagramSequenceNumber, <span class="keywordtype">bool</span> isContinuousSend, <a class="code" href="../../d0/dfb/_c_c_rak_net_sliding_window_8h.xhtml#af68854e24d09ea8058bf8b27ce0f24e6">CCTimeType</a> curTime, <a class="code" href="../../df/df2/_native_types_8h.xhtml#a6eb1e68cc391dd753bc8ce896dbb8315">uint32_t</a> sizeInBytes, <a class="code" href="../../df/df2/_native_types_8h.xhtml#a6eb1e68cc391dd753bc8ce896dbb8315">uint32_t</a> *skippedMessageCount)</div>
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>&#160;{</div>
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>&#160; (void) curTime;</div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>&#160; (void) sizeInBytes;</div>
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>&#160; (void) isContinuousSend;</div>
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>&#160;</div>
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>&#160; <span class="keywordflow">if</span> (<a class="code" href="../../dd/d68/class_s_l_net_1_1_c_c_rak_net_sliding_window.xhtml#a6daa3c9ea01cb4da42e7684457a5f736">oldestUnsentAck</a>==0)</div>
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>&#160; <a class="code" href="../../dd/d68/class_s_l_net_1_1_c_c_rak_net_sliding_window.xhtml#a6daa3c9ea01cb4da42e7684457a5f736">oldestUnsentAck</a>=curTime;</div>
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>&#160;</div>
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>&#160; <span class="keywordflow">if</span> (datagramSequenceNumber==<a class="code" href="../../dd/d68/class_s_l_net_1_1_c_c_rak_net_sliding_window.xhtml#a9bf408527629f8a98e9cf6ebf6d70d84">expectedNextSequenceNumber</a>)</div>
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>&#160; {</div>
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>&#160; *skippedMessageCount=0;</div>
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>&#160; <a class="code" href="../../dd/d68/class_s_l_net_1_1_c_c_rak_net_sliding_window.xhtml#a9bf408527629f8a98e9cf6ebf6d70d84">expectedNextSequenceNumber</a>=datagramSequenceNumber+(<a class="code" href="../../d0/dfb/_c_c_rak_net_sliding_window_8h.xhtml#ae16c16e7f0604671c945b768e0532da7">DatagramSequenceNumberType</a>)1;</div>
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>&#160; }</div>
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>&#160; <span class="keywordflow">else</span> <span class="keywordflow">if</span> (<a class="code" href="../../dd/d68/class_s_l_net_1_1_c_c_rak_net_sliding_window.xhtml#a0dfce620bc2d00dcd87767d5282b969f" title="Is a &gt; b, accounting for variable overflow?">GreaterThan</a>(datagramSequenceNumber, <a class="code" href="../../dd/d68/class_s_l_net_1_1_c_c_rak_net_sliding_window.xhtml#a9bf408527629f8a98e9cf6ebf6d70d84">expectedNextSequenceNumber</a>))</div>
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>&#160; {</div>
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>&#160; *skippedMessageCount=datagramSequenceNumber-<a class="code" href="../../dd/d68/class_s_l_net_1_1_c_c_rak_net_sliding_window.xhtml#a9bf408527629f8a98e9cf6ebf6d70d84">expectedNextSequenceNumber</a>;</div>
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>&#160; <span class="comment">// Sanity check, just use timeout resend if this was really valid</span></div>
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>&#160; <span class="keywordflow">if</span> (*skippedMessageCount&gt;1000)</div>
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>&#160; {</div>
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>&#160; <span class="comment">// During testing, the nat punchthrough server got 51200 on the first packet. I have no idea where this comes from, but has happened twice</span></div>
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>&#160; <span class="keywordflow">if</span> (*skippedMessageCount&gt;(<a class="code" href="../../df/df2/_native_types_8h.xhtml#a6eb1e68cc391dd753bc8ce896dbb8315">uint32_t</a>)50000)</div>
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>&#160; <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>&#160; *skippedMessageCount=1000;</div>
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>&#160; }</div>
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>&#160; expectedNextSequenceNumber=datagramSequenceNumber+(<a class="code" href="../../d0/dfb/_c_c_rak_net_sliding_window_8h.xhtml#ae16c16e7f0604671c945b768e0532da7">DatagramSequenceNumberType</a>)1;</div>
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>&#160; }</div>
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>&#160; <span class="keywordflow">else</span></div>
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>&#160; {</div>
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>&#160; *skippedMessageCount=0;</div>
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>&#160; }</div>
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>&#160;</div>
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>&#160; <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>&#160;}</div>
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>&#160;<span class="comment">// ----------------------------------------------------------------------------------------------------------------------------</span></div>
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>&#160;<span class="keywordtype">void</span> <a class="code" href="../../dd/d68/class_s_l_net_1_1_c_c_rak_net_sliding_window.xhtml#ac4b95cf1aac0b6da21f56406d91db0a9">CCRakNetSlidingWindow::OnResend</a>(<a class="code" href="../../d0/dfb/_c_c_rak_net_sliding_window_8h.xhtml#af68854e24d09ea8058bf8b27ce0f24e6">CCTimeType</a> curTime, <a class="code" href="../../dd/d30/namespace_s_l_net.xhtml#a3d01a3c6dcc3c11f0cc5359fe290edc7">SLNet::TimeUS</a> nextActionTime)</div>
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>&#160;{</div>
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>&#160; (void) curTime;</div>
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>&#160; (void) nextActionTime;</div>
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>&#160;</div>
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>&#160; <span class="keywordflow">if</span> (<a class="code" href="../../dd/d68/class_s_l_net_1_1_c_c_rak_net_sliding_window.xhtml#a18b35cd38cf16c3b7860e297353f155e">_isContinuousSend</a> &amp;&amp; <a class="code" href="../../dd/d68/class_s_l_net_1_1_c_c_rak_net_sliding_window.xhtml#ac17ef69900aeefc7c290e3f9b1a836fb">backoffThisBlock</a>==<span class="keyword">false</span> &amp;&amp; <a class="code" href="../../dd/d68/class_s_l_net_1_1_c_c_rak_net_sliding_window.xhtml#ac7ec19f4ce6df6b2d5e21f17330f8d6e">cwnd</a>&gt;<a class="code" href="../../dd/d68/class_s_l_net_1_1_c_c_rak_net_sliding_window.xhtml#afa36e77d1d60ef91d8ad186cc8166c89">MAXIMUM_MTU_INCLUDING_UDP_HEADER</a>*2)</div>
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>&#160; {</div>
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>&#160; <span class="comment">// Spec says 1/2 cwnd, but it never recovers because cwnd increases too slowly</span></div>
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>&#160; <span class="comment">//ssThresh=cwnd-8.0 * (MAXIMUM_MTU_INCLUDING_UDP_HEADER*MAXIMUM_MTU_INCLUDING_UDP_HEADER/cwnd);</span></div>
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>&#160; <a class="code" href="../../dd/d68/class_s_l_net_1_1_c_c_rak_net_sliding_window.xhtml#a49ae0029e074d8cf7159ec94e512e256">ssThresh</a>=<a class="code" href="../../dd/d68/class_s_l_net_1_1_c_c_rak_net_sliding_window.xhtml#ac7ec19f4ce6df6b2d5e21f17330f8d6e">cwnd</a>/2;</div>
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>&#160; <span class="keywordflow">if</span> (<a class="code" href="../../dd/d68/class_s_l_net_1_1_c_c_rak_net_sliding_window.xhtml#a49ae0029e074d8cf7159ec94e512e256">ssThresh</a>&lt;<a class="code" href="../../dd/d68/class_s_l_net_1_1_c_c_rak_net_sliding_window.xhtml#afa36e77d1d60ef91d8ad186cc8166c89">MAXIMUM_MTU_INCLUDING_UDP_HEADER</a>)</div>
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>&#160; <a class="code" href="../../dd/d68/class_s_l_net_1_1_c_c_rak_net_sliding_window.xhtml#a49ae0029e074d8cf7159ec94e512e256">ssThresh</a>=<a class="code" href="../../dd/d68/class_s_l_net_1_1_c_c_rak_net_sliding_window.xhtml#afa36e77d1d60ef91d8ad186cc8166c89">MAXIMUM_MTU_INCLUDING_UDP_HEADER</a>;</div>
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>&#160; <a class="code" href="../../dd/d68/class_s_l_net_1_1_c_c_rak_net_sliding_window.xhtml#ac7ec19f4ce6df6b2d5e21f17330f8d6e">cwnd</a>=<a class="code" href="../../dd/d68/class_s_l_net_1_1_c_c_rak_net_sliding_window.xhtml#afa36e77d1d60ef91d8ad186cc8166c89">MAXIMUM_MTU_INCLUDING_UDP_HEADER</a>;</div>
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>&#160;</div>
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>&#160; <span class="comment">// Only backoff once per period</span></div>
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>&#160; <a class="code" href="../../dd/d68/class_s_l_net_1_1_c_c_rak_net_sliding_window.xhtml#abdf9a85716394acf4345c03ff944d683">nextCongestionControlBlock</a>=<a class="code" href="../../dd/d68/class_s_l_net_1_1_c_c_rak_net_sliding_window.xhtml#ae19101f7f41f54027830d22d2c2e950d" title="Every outgoing datagram is assigned a sequence number, which increments by 1 every assignment...">nextDatagramSequenceNumber</a>;</div>
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>&#160; <a class="code" href="../../dd/d68/class_s_l_net_1_1_c_c_rak_net_sliding_window.xhtml#ac17ef69900aeefc7c290e3f9b1a836fb">backoffThisBlock</a>=<span class="keyword">true</span>;</div>
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>&#160;</div>
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>&#160; <span class="comment">// CC PRINTF</span></div>
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>&#160; <span class="comment">//printf(&quot;-- %.0f (Resend) Enter slow start.\n&quot;, cwnd);</span></div>
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>&#160; }</div>
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>&#160;}</div>
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>&#160;<span class="comment">// ----------------------------------------------------------------------------------------------------------------------------</span></div>
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>&#160;<span class="keywordtype">void</span> <a class="code" href="../../dd/d68/class_s_l_net_1_1_c_c_rak_net_sliding_window.xhtml#a931b1481ae951cecf678ecb0a60e16ab">CCRakNetSlidingWindow::OnNAK</a>(<a class="code" href="../../d0/dfb/_c_c_rak_net_sliding_window_8h.xhtml#af68854e24d09ea8058bf8b27ce0f24e6">CCTimeType</a> curTime, <a class="code" href="../../d9/d6a/struct_s_l_net_1_1uint24__t.xhtml">DatagramSequenceNumberType</a> nakSequenceNumber)</div>
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>&#160;{</div>
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>&#160; (void) nakSequenceNumber;</div>
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>&#160; (void) curTime;</div>
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span>&#160;</div>
<div class="line"><a name="l00196"></a><span class="lineno"> 196</span>&#160; <span class="keywordflow">if</span> (<a class="code" href="../../dd/d68/class_s_l_net_1_1_c_c_rak_net_sliding_window.xhtml#a18b35cd38cf16c3b7860e297353f155e">_isContinuousSend</a> &amp;&amp; <a class="code" href="../../dd/d68/class_s_l_net_1_1_c_c_rak_net_sliding_window.xhtml#ac17ef69900aeefc7c290e3f9b1a836fb">backoffThisBlock</a>==<span class="keyword">false</span>)</div>
<div class="line"><a name="l00197"></a><span class="lineno"> 197</span>&#160; {</div>
<div class="line"><a name="l00198"></a><span class="lineno"> 198</span>&#160; <span class="comment">// Start congestion avoidance</span></div>
<div class="line"><a name="l00199"></a><span class="lineno"> 199</span>&#160; <a class="code" href="../../dd/d68/class_s_l_net_1_1_c_c_rak_net_sliding_window.xhtml#a49ae0029e074d8cf7159ec94e512e256">ssThresh</a>=<a class="code" href="../../dd/d68/class_s_l_net_1_1_c_c_rak_net_sliding_window.xhtml#ac7ec19f4ce6df6b2d5e21f17330f8d6e">cwnd</a>/2;</div>
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span>&#160;</div>
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span>&#160; <span class="comment">// CC PRINTF</span></div>
<div class="line"><a name="l00202"></a><span class="lineno"> 202</span>&#160; <span class="comment">//printf(&quot;- %.0f (NAK) Set congestion avoidance.\n&quot;, cwnd);</span></div>
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span>&#160; }</div>
<div class="line"><a name="l00204"></a><span class="lineno"> 204</span>&#160;}</div>
<div class="line"><a name="l00205"></a><span class="lineno"> 205</span>&#160;<span class="comment">// ----------------------------------------------------------------------------------------------------------------------------</span></div>
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span>&#160;<span class="keywordtype">void</span> <a class="code" href="../../dd/d68/class_s_l_net_1_1_c_c_rak_net_sliding_window.xhtml#a09b01f8b5f964fc14846501bbdb825ac">CCRakNetSlidingWindow::OnAck</a>(<a class="code" href="../../d0/dfb/_c_c_rak_net_sliding_window_8h.xhtml#af68854e24d09ea8058bf8b27ce0f24e6">CCTimeType</a> curTime, <a class="code" href="../../d0/dfb/_c_c_rak_net_sliding_window_8h.xhtml#af68854e24d09ea8058bf8b27ce0f24e6">CCTimeType</a> rtt, <span class="keywordtype">bool</span> hasBAndAS, <a class="code" href="../../d0/dfb/_c_c_rak_net_sliding_window_8h.xhtml#a093707671afbde33de2a3aa1ceaf85c3">BytesPerMicrosecond</a> _B, <a class="code" href="../../d0/dfb/_c_c_rak_net_sliding_window_8h.xhtml#a093707671afbde33de2a3aa1ceaf85c3">BytesPerMicrosecond</a> _AS, <span class="keywordtype">double</span> totalUserDataBytesAcked, <span class="keywordtype">bool</span> isContinuousSend, <a class="code" href="../../d9/d6a/struct_s_l_net_1_1uint24__t.xhtml">DatagramSequenceNumberType</a> sequenceNumber )</div>
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span>&#160;{</div>
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span>&#160; (void) _B;</div>
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span>&#160; (void) totalUserDataBytesAcked;</div>
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span>&#160; (void) _AS;</div>
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span>&#160; (void) hasBAndAS;</div>
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span>&#160; (void) curTime;</div>
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>&#160; (void) rtt;</div>
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span>&#160;</div>
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span>&#160; <a class="code" href="../../dd/d68/class_s_l_net_1_1_c_c_rak_net_sliding_window.xhtml#ad5ed60de06715a4a2455f563ce479a3c">lastRtt</a>=(double) rtt;</div>
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>&#160; <span class="keywordflow">if</span> (<a class="code" href="../../dd/d68/class_s_l_net_1_1_c_c_rak_net_sliding_window.xhtml#a31d66c05668f3d05f08d2d405e5b41eb">estimatedRTT</a>==<a class="code" href="../../d8/d52/_c_c_rak_net_u_d_t_8cpp.xhtml#a8091bcafbec27f4e2118c1edc9c7038f">UNSET_TIME_US</a>)</div>
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span>&#160; {</div>
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span>&#160; <a class="code" href="../../dd/d68/class_s_l_net_1_1_c_c_rak_net_sliding_window.xhtml#a31d66c05668f3d05f08d2d405e5b41eb">estimatedRTT</a>=(double) rtt;</div>
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span>&#160; <a class="code" href="../../dd/d68/class_s_l_net_1_1_c_c_rak_net_sliding_window.xhtml#ac8d552b986fe04d789909b377ade2a0f">deviationRtt</a>=(double)rtt;</div>
<div class="line"><a name="l00220"></a><span class="lineno"> 220</span>&#160; }</div>
<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>&#160; <span class="keywordflow">else</span></div>
<div class="line"><a name="l00222"></a><span class="lineno"> 222</span>&#160; {</div>
<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>&#160; <span class="keywordtype">double</span> d = .05;</div>
<div class="line"><a name="l00224"></a><span class="lineno"> 224</span>&#160; <span class="keywordtype">double</span> difference = rtt - <a class="code" href="../../dd/d68/class_s_l_net_1_1_c_c_rak_net_sliding_window.xhtml#a31d66c05668f3d05f08d2d405e5b41eb">estimatedRTT</a>;</div>
<div class="line"><a name="l00225"></a><span class="lineno"> 225</span>&#160; estimatedRTT = estimatedRTT + d * difference;</div>
<div class="line"><a name="l00226"></a><span class="lineno"> 226</span>&#160; <a class="code" href="../../dd/d68/class_s_l_net_1_1_c_c_rak_net_sliding_window.xhtml#ac8d552b986fe04d789909b377ade2a0f">deviationRtt</a> = <a class="code" href="../../dd/d68/class_s_l_net_1_1_c_c_rak_net_sliding_window.xhtml#ac8d552b986fe04d789909b377ade2a0f">deviationRtt</a> + d * (std::abs(difference) - <a class="code" href="../../dd/d68/class_s_l_net_1_1_c_c_rak_net_sliding_window.xhtml#ac8d552b986fe04d789909b377ade2a0f">deviationRtt</a>);</div>
<div class="line"><a name="l00227"></a><span class="lineno"> 227</span>&#160; }</div>
<div class="line"><a name="l00228"></a><span class="lineno"> 228</span>&#160;</div>
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span>&#160; <a class="code" href="../../dd/d68/class_s_l_net_1_1_c_c_rak_net_sliding_window.xhtml#a18b35cd38cf16c3b7860e297353f155e">_isContinuousSend</a>=isContinuousSend;</div>
<div class="line"><a name="l00230"></a><span class="lineno"> 230</span>&#160;</div>
<div class="line"><a name="l00231"></a><span class="lineno"> 231</span>&#160; <span class="keywordflow">if</span> (isContinuousSend==<span class="keyword">false</span>)</div>
<div class="line"><a name="l00232"></a><span class="lineno"> 232</span>&#160; <span class="keywordflow">return</span>;</div>
<div class="line"><a name="l00233"></a><span class="lineno"> 233</span>&#160;</div>
<div class="line"><a name="l00234"></a><span class="lineno"> 234</span>&#160; <span class="keywordtype">bool</span> isNewCongestionControlPeriod;</div>
<div class="line"><a name="l00235"></a><span class="lineno"> 235</span>&#160; isNewCongestionControlPeriod = <a class="code" href="../../dd/d68/class_s_l_net_1_1_c_c_rak_net_sliding_window.xhtml#a0dfce620bc2d00dcd87767d5282b969f" title="Is a &gt; b, accounting for variable overflow?">GreaterThan</a>(sequenceNumber, <a class="code" href="../../dd/d68/class_s_l_net_1_1_c_c_rak_net_sliding_window.xhtml#abdf9a85716394acf4345c03ff944d683">nextCongestionControlBlock</a>);</div>
<div class="line"><a name="l00236"></a><span class="lineno"> 236</span>&#160;</div>
<div class="line"><a name="l00237"></a><span class="lineno"> 237</span>&#160; <span class="keywordflow">if</span> (isNewCongestionControlPeriod)</div>
<div class="line"><a name="l00238"></a><span class="lineno"> 238</span>&#160; {</div>
<div class="line"><a name="l00239"></a><span class="lineno"> 239</span>&#160; <a class="code" href="../../dd/d68/class_s_l_net_1_1_c_c_rak_net_sliding_window.xhtml#ac17ef69900aeefc7c290e3f9b1a836fb">backoffThisBlock</a>=<span class="keyword">false</span>;</div>
<div class="line"><a name="l00240"></a><span class="lineno"> 240</span>&#160; <a class="code" href="../../dd/d68/class_s_l_net_1_1_c_c_rak_net_sliding_window.xhtml#a09ae3fbc0d4d0675096a2f21635be7c5">speedUpThisBlock</a>=<span class="keyword">false</span>;</div>
<div class="line"><a name="l00241"></a><span class="lineno"> 241</span>&#160; <a class="code" href="../../dd/d68/class_s_l_net_1_1_c_c_rak_net_sliding_window.xhtml#abdf9a85716394acf4345c03ff944d683">nextCongestionControlBlock</a>=<a class="code" href="../../dd/d68/class_s_l_net_1_1_c_c_rak_net_sliding_window.xhtml#ae19101f7f41f54027830d22d2c2e950d" title="Every outgoing datagram is assigned a sequence number, which increments by 1 every assignment...">nextDatagramSequenceNumber</a>;</div>
<div class="line"><a name="l00242"></a><span class="lineno"> 242</span>&#160; }</div>
<div class="line"><a name="l00243"></a><span class="lineno"> 243</span>&#160;</div>
<div class="line"><a name="l00244"></a><span class="lineno"> 244</span>&#160; <span class="keywordflow">if</span> (<a class="code" href="../../dd/d68/class_s_l_net_1_1_c_c_rak_net_sliding_window.xhtml#a3e08ed316fddc6aa342b6b6b22cf2ed1">IsInSlowStart</a>())</div>
<div class="line"><a name="l00245"></a><span class="lineno"> 245</span>&#160; {</div>
<div class="line"><a name="l00246"></a><span class="lineno"> 246</span>&#160; <a class="code" href="../../dd/d68/class_s_l_net_1_1_c_c_rak_net_sliding_window.xhtml#ac7ec19f4ce6df6b2d5e21f17330f8d6e">cwnd</a>+=<a class="code" href="../../dd/d68/class_s_l_net_1_1_c_c_rak_net_sliding_window.xhtml#afa36e77d1d60ef91d8ad186cc8166c89">MAXIMUM_MTU_INCLUDING_UDP_HEADER</a>;</div>
<div class="line"><a name="l00247"></a><span class="lineno"> 247</span>&#160; <span class="keywordflow">if</span> (<a class="code" href="../../dd/d68/class_s_l_net_1_1_c_c_rak_net_sliding_window.xhtml#ac7ec19f4ce6df6b2d5e21f17330f8d6e">cwnd</a> &gt; <a class="code" href="../../dd/d68/class_s_l_net_1_1_c_c_rak_net_sliding_window.xhtml#a49ae0029e074d8cf7159ec94e512e256">ssThresh</a> &amp;&amp; <a class="code" href="../../dd/d68/class_s_l_net_1_1_c_c_rak_net_sliding_window.xhtml#a49ae0029e074d8cf7159ec94e512e256">ssThresh</a>!=0)</div>
<div class="line"><a name="l00248"></a><span class="lineno"> 248</span>&#160; <a class="code" href="../../dd/d68/class_s_l_net_1_1_c_c_rak_net_sliding_window.xhtml#ac7ec19f4ce6df6b2d5e21f17330f8d6e">cwnd</a> = <a class="code" href="../../dd/d68/class_s_l_net_1_1_c_c_rak_net_sliding_window.xhtml#a49ae0029e074d8cf7159ec94e512e256">ssThresh</a> + <a class="code" href="../../dd/d68/class_s_l_net_1_1_c_c_rak_net_sliding_window.xhtml#afa36e77d1d60ef91d8ad186cc8166c89">MAXIMUM_MTU_INCLUDING_UDP_HEADER</a>*<a class="code" href="../../dd/d68/class_s_l_net_1_1_c_c_rak_net_sliding_window.xhtml#afa36e77d1d60ef91d8ad186cc8166c89">MAXIMUM_MTU_INCLUDING_UDP_HEADER</a>/<a class="code" href="../../dd/d68/class_s_l_net_1_1_c_c_rak_net_sliding_window.xhtml#ac7ec19f4ce6df6b2d5e21f17330f8d6e">cwnd</a>;</div>
<div class="line"><a name="l00249"></a><span class="lineno"> 249</span>&#160;</div>
<div class="line"><a name="l00250"></a><span class="lineno"> 250</span>&#160; <span class="comment">// CC PRINTF</span></div>
<div class="line"><a name="l00251"></a><span class="lineno"> 251</span>&#160; <span class="comment">// printf(&quot;++ %.0f Slow start increase.\n&quot;, cwnd);</span></div>
<div class="line"><a name="l00252"></a><span class="lineno"> 252</span>&#160;</div>
<div class="line"><a name="l00253"></a><span class="lineno"> 253</span>&#160; }</div>
<div class="line"><a name="l00254"></a><span class="lineno"> 254</span>&#160; <span class="keywordflow">else</span> <span class="keywordflow">if</span> (isNewCongestionControlPeriod)</div>
<div class="line"><a name="l00255"></a><span class="lineno"> 255</span>&#160; {</div>
<div class="line"><a name="l00256"></a><span class="lineno"> 256</span>&#160; <a class="code" href="../../dd/d68/class_s_l_net_1_1_c_c_rak_net_sliding_window.xhtml#ac7ec19f4ce6df6b2d5e21f17330f8d6e">cwnd</a>+=<a class="code" href="../../dd/d68/class_s_l_net_1_1_c_c_rak_net_sliding_window.xhtml#afa36e77d1d60ef91d8ad186cc8166c89">MAXIMUM_MTU_INCLUDING_UDP_HEADER</a>*<a class="code" href="../../dd/d68/class_s_l_net_1_1_c_c_rak_net_sliding_window.xhtml#afa36e77d1d60ef91d8ad186cc8166c89">MAXIMUM_MTU_INCLUDING_UDP_HEADER</a>/<a class="code" href="../../dd/d68/class_s_l_net_1_1_c_c_rak_net_sliding_window.xhtml#ac7ec19f4ce6df6b2d5e21f17330f8d6e">cwnd</a>;</div>
<div class="line"><a name="l00257"></a><span class="lineno"> 257</span>&#160;</div>
<div class="line"><a name="l00258"></a><span class="lineno"> 258</span>&#160; <span class="comment">// CC PRINTF</span></div>
<div class="line"><a name="l00259"></a><span class="lineno"> 259</span>&#160; <span class="comment">// printf(&quot;+ %.0f Congestion avoidance increase.\n&quot;, cwnd);</span></div>
<div class="line"><a name="l00260"></a><span class="lineno"> 260</span>&#160; }</div>
<div class="line"><a name="l00261"></a><span class="lineno"> 261</span>&#160;}</div>
<div class="line"><a name="l00262"></a><span class="lineno"> 262</span>&#160;<span class="comment">// ----------------------------------------------------------------------------------------------------------------------------</span></div>
<div class="line"><a name="l00263"></a><span class="lineno"> 263</span>&#160;<span class="keywordtype">void</span> <a class="code" href="../../dd/d68/class_s_l_net_1_1_c_c_rak_net_sliding_window.xhtml#a84f89cd55d6b2e8898794c4280bf58ea">CCRakNetSlidingWindow::OnDuplicateAck</a>( <a class="code" href="../../d0/dfb/_c_c_rak_net_sliding_window_8h.xhtml#af68854e24d09ea8058bf8b27ce0f24e6">CCTimeType</a> curTime, <a class="code" href="../../d9/d6a/struct_s_l_net_1_1uint24__t.xhtml">DatagramSequenceNumberType</a> sequenceNumber )</div>
<div class="line"><a name="l00264"></a><span class="lineno"> 264</span>&#160;{</div>
<div class="line"><a name="l00265"></a><span class="lineno"> 265</span>&#160; (void) curTime;</div>
<div class="line"><a name="l00266"></a><span class="lineno"> 266</span>&#160; (void) sequenceNumber;</div>
<div class="line"><a name="l00267"></a><span class="lineno"> 267</span>&#160;}</div>
<div class="line"><a name="l00268"></a><span class="lineno"> 268</span>&#160;<span class="comment">// ----------------------------------------------------------------------------------------------------------------------------</span></div>
<div class="line"><a name="l00269"></a><span class="lineno"> 269</span>&#160;<span class="keywordtype">void</span> <a class="code" href="../../dd/d68/class_s_l_net_1_1_c_c_rak_net_sliding_window.xhtml#a4a983dc4841dc42558e3660617644796">CCRakNetSlidingWindow::OnSendAckGetBAndAS</a>(<a class="code" href="../../d0/dfb/_c_c_rak_net_sliding_window_8h.xhtml#af68854e24d09ea8058bf8b27ce0f24e6">CCTimeType</a> curTime, <span class="keywordtype">bool</span> *hasBAndAS, <a class="code" href="../../d0/dfb/_c_c_rak_net_sliding_window_8h.xhtml#a093707671afbde33de2a3aa1ceaf85c3">BytesPerMicrosecond</a> *_B, <a class="code" href="../../d0/dfb/_c_c_rak_net_sliding_window_8h.xhtml#a093707671afbde33de2a3aa1ceaf85c3">BytesPerMicrosecond</a> *_AS)</div>
<div class="line"><a name="l00270"></a><span class="lineno"> 270</span>&#160;{</div>
<div class="line"><a name="l00271"></a><span class="lineno"> 271</span>&#160; (void) curTime;</div>
<div class="line"><a name="l00272"></a><span class="lineno"> 272</span>&#160; (void) _B;</div>
<div class="line"><a name="l00273"></a><span class="lineno"> 273</span>&#160; (void) _AS;</div>
<div class="line"><a name="l00274"></a><span class="lineno"> 274</span>&#160;</div>
<div class="line"><a name="l00275"></a><span class="lineno"> 275</span>&#160; *hasBAndAS=<span class="keyword">false</span>;</div>
<div class="line"><a name="l00276"></a><span class="lineno"> 276</span>&#160;}</div>
<div class="line"><a name="l00277"></a><span class="lineno"> 277</span>&#160;<span class="comment">// ----------------------------------------------------------------------------------------------------------------------------</span></div>
<div class="line"><a name="l00278"></a><span class="lineno"> 278</span>&#160;<span class="keywordtype">void</span> <a class="code" href="../../dd/d68/class_s_l_net_1_1_c_c_rak_net_sliding_window.xhtml#a4adf5daf407c0bf2445f08c4a0af147b">CCRakNetSlidingWindow::OnSendAck</a>(<a class="code" href="../../d0/dfb/_c_c_rak_net_sliding_window_8h.xhtml#af68854e24d09ea8058bf8b27ce0f24e6">CCTimeType</a> curTime, <a class="code" href="../../df/df2/_native_types_8h.xhtml#a6eb1e68cc391dd753bc8ce896dbb8315">uint32_t</a> numBytes)</div>
<div class="line"><a name="l00279"></a><span class="lineno"> 279</span>&#160;{</div>
<div class="line"><a name="l00280"></a><span class="lineno"> 280</span>&#160; (void) curTime;</div>
<div class="line"><a name="l00281"></a><span class="lineno"> 281</span>&#160; (void) numBytes;</div>
<div class="line"><a name="l00282"></a><span class="lineno"> 282</span>&#160;</div>
<div class="line"><a name="l00283"></a><span class="lineno"> 283</span>&#160; <a class="code" href="../../dd/d68/class_s_l_net_1_1_c_c_rak_net_sliding_window.xhtml#a6daa3c9ea01cb4da42e7684457a5f736">oldestUnsentAck</a>=0;</div>
<div class="line"><a name="l00284"></a><span class="lineno"> 284</span>&#160;}</div>
<div class="line"><a name="l00285"></a><span class="lineno"> 285</span>&#160;<span class="comment">// ----------------------------------------------------------------------------------------------------------------------------</span></div>
<div class="line"><a name="l00286"></a><span class="lineno"> 286</span>&#160;<span class="keywordtype">void</span> <a class="code" href="../../dd/d68/class_s_l_net_1_1_c_c_rak_net_sliding_window.xhtml#afe1ad7ddf762afc2802508caac50d0d5">CCRakNetSlidingWindow::OnSendNACK</a>(<a class="code" href="../../d0/dfb/_c_c_rak_net_sliding_window_8h.xhtml#af68854e24d09ea8058bf8b27ce0f24e6">CCTimeType</a> curTime, <a class="code" href="../../df/df2/_native_types_8h.xhtml#a6eb1e68cc391dd753bc8ce896dbb8315">uint32_t</a> numBytes)</div>
<div class="line"><a name="l00287"></a><span class="lineno"> 287</span>&#160;{</div>
<div class="line"><a name="l00288"></a><span class="lineno"> 288</span>&#160; (void) curTime;</div>
<div class="line"><a name="l00289"></a><span class="lineno"> 289</span>&#160; (void) numBytes;</div>
<div class="line"><a name="l00290"></a><span class="lineno"> 290</span>&#160;</div>
<div class="line"><a name="l00291"></a><span class="lineno"> 291</span>&#160;}</div>
<div class="line"><a name="l00292"></a><span class="lineno"> 292</span>&#160;<span class="comment">// ----------------------------------------------------------------------------------------------------------------------------</span></div>
<div class="line"><a name="l00293"></a><span class="lineno"> 293</span>&#160;<a class="code" href="../../d0/dfb/_c_c_rak_net_sliding_window_8h.xhtml#af68854e24d09ea8058bf8b27ce0f24e6">CCTimeType</a> <a class="code" href="../../dd/d68/class_s_l_net_1_1_c_c_rak_net_sliding_window.xhtml#a733603474e772242a77a743996c788da">CCRakNetSlidingWindow::GetRTOForRetransmission</a>(<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> timesSent)<span class="keyword"> const</span></div>
<div class="line"><a name="l00294"></a><span class="lineno"> 294</span>&#160;<span class="keyword"></span>{</div>
<div class="line"><a name="l00295"></a><span class="lineno"> 295</span>&#160; (void) timesSent;</div>
<div class="line"><a name="l00296"></a><span class="lineno"> 296</span>&#160;</div>
<div class="line"><a name="l00297"></a><span class="lineno"> 297</span>&#160;<span class="preprocessor">#if CC_TIME_TYPE_BYTES==4</span></div>
<div class="line"><a name="l00298"></a><span class="lineno"> 298</span>&#160;<span class="preprocessor"></span> <span class="keyword">const</span> <a class="code" href="../../d0/dfb/_c_c_rak_net_sliding_window_8h.xhtml#af68854e24d09ea8058bf8b27ce0f24e6">CCTimeType</a> maxThreshold=2000;</div>
<div class="line"><a name="l00299"></a><span class="lineno"> 299</span>&#160; <span class="comment">//const CCTimeType minThreshold=100;</span></div>
<div class="line"><a name="l00300"></a><span class="lineno"> 300</span>&#160; <span class="keyword">const</span> <a class="code" href="../../d0/dfb/_c_c_rak_net_sliding_window_8h.xhtml#af68854e24d09ea8058bf8b27ce0f24e6">CCTimeType</a> additionalVariance=30;</div>
<div class="line"><a name="l00301"></a><span class="lineno"> 301</span>&#160;<span class="preprocessor">#else</span></div>
<div class="line"><a name="l00302"></a><span class="lineno"> 302</span>&#160;<span class="preprocessor"></span> <span class="keyword">const</span> <a class="code" href="../../d0/dfb/_c_c_rak_net_sliding_window_8h.xhtml#af68854e24d09ea8058bf8b27ce0f24e6">CCTimeType</a> maxThreshold=2000000;</div>
<div class="line"><a name="l00303"></a><span class="lineno"> 303</span>&#160; <span class="comment">//const CCTimeType minThreshold=100000;</span></div>
<div class="line"><a name="l00304"></a><span class="lineno"> 304</span>&#160; <span class="keyword">const</span> <a class="code" href="../../d0/dfb/_c_c_rak_net_sliding_window_8h.xhtml#af68854e24d09ea8058bf8b27ce0f24e6">CCTimeType</a> additionalVariance=30000;</div>
<div class="line"><a name="l00305"></a><span class="lineno"> 305</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00306"></a><span class="lineno"> 306</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00307"></a><span class="lineno"> 307</span>&#160;</div>
<div class="line"><a name="l00308"></a><span class="lineno"> 308</span>&#160; <span class="keywordflow">if</span> (<a class="code" href="../../dd/d68/class_s_l_net_1_1_c_c_rak_net_sliding_window.xhtml#a31d66c05668f3d05f08d2d405e5b41eb">estimatedRTT</a>==<a class="code" href="../../d8/d52/_c_c_rak_net_u_d_t_8cpp.xhtml#a8091bcafbec27f4e2118c1edc9c7038f">UNSET_TIME_US</a>)</div>
<div class="line"><a name="l00309"></a><span class="lineno"> 309</span>&#160; <span class="keywordflow">return</span> maxThreshold;</div>
<div class="line"><a name="l00310"></a><span class="lineno"> 310</span>&#160;</div>
<div class="line"><a name="l00311"></a><span class="lineno"> 311</span>&#160; <span class="comment">//double u=1.0f;</span></div>
<div class="line"><a name="l00312"></a><span class="lineno"> 312</span>&#160; <span class="keywordtype">double</span> u=2.0f;</div>
<div class="line"><a name="l00313"></a><span class="lineno"> 313</span>&#160; <span class="keywordtype">double</span> q=4.0f;</div>
<div class="line"><a name="l00314"></a><span class="lineno"> 314</span>&#160;</div>
<div class="line"><a name="l00315"></a><span class="lineno"> 315</span>&#160; <a class="code" href="../../d0/dfb/_c_c_rak_net_sliding_window_8h.xhtml#af68854e24d09ea8058bf8b27ce0f24e6">CCTimeType</a> threshhold = (<a class="code" href="../../d0/dfb/_c_c_rak_net_sliding_window_8h.xhtml#af68854e24d09ea8058bf8b27ce0f24e6">CCTimeType</a>) (u * <a class="code" href="../../dd/d68/class_s_l_net_1_1_c_c_rak_net_sliding_window.xhtml#a31d66c05668f3d05f08d2d405e5b41eb">estimatedRTT</a> + q * <a class="code" href="../../dd/d68/class_s_l_net_1_1_c_c_rak_net_sliding_window.xhtml#ac8d552b986fe04d789909b377ade2a0f">deviationRtt</a>) + additionalVariance;</div>
<div class="line"><a name="l00316"></a><span class="lineno"> 316</span>&#160; <span class="keywordflow">if</span> (threshhold &gt; maxThreshold)</div>
<div class="line"><a name="l00317"></a><span class="lineno"> 317</span>&#160; <span class="keywordflow">return</span> maxThreshold;</div>
<div class="line"><a name="l00318"></a><span class="lineno"> 318</span>&#160; <span class="keywordflow">return</span> threshhold;</div>
<div class="line"><a name="l00319"></a><span class="lineno"> 319</span>&#160;}</div>
<div class="line"><a name="l00320"></a><span class="lineno"> 320</span>&#160;<span class="comment">// ----------------------------------------------------------------------------------------------------------------------------</span></div>
<div class="line"><a name="l00321"></a><span class="lineno"> 321</span>&#160;<span class="keywordtype">void</span> <a class="code" href="../../dd/d68/class_s_l_net_1_1_c_c_rak_net_sliding_window.xhtml#a565fbef9782e4ae5d1113036563e3e53">CCRakNetSlidingWindow::SetMTU</a>(<a class="code" href="../../df/df2/_native_types_8h.xhtml#a6eb1e68cc391dd753bc8ce896dbb8315">uint32_t</a> bytes)</div>
<div class="line"><a name="l00322"></a><span class="lineno"> 322</span>&#160;{</div>
<div class="line"><a name="l00323"></a><span class="lineno"> 323</span>&#160; <a class="code" href="../../d8/db0/defines_8h.xhtml#afaa3647d29f5960651eb23fd3d2b5368">RakAssert</a>(bytes &lt; <a class="code" href="../../d2/d24/_m_t_u_size_8h.xhtml#a39d9da73f39bf9acabfc9e0ad2ae97c5">MAXIMUM_MTU_SIZE</a>);</div>
<div class="line"><a name="l00324"></a><span class="lineno"> 324</span>&#160; <a class="code" href="../../dd/d68/class_s_l_net_1_1_c_c_rak_net_sliding_window.xhtml#afa36e77d1d60ef91d8ad186cc8166c89">MAXIMUM_MTU_INCLUDING_UDP_HEADER</a>=bytes;</div>
<div class="line"><a name="l00325"></a><span class="lineno"> 325</span>&#160;}</div>
<div class="line"><a name="l00326"></a><span class="lineno"> 326</span>&#160;<span class="comment">// ----------------------------------------------------------------------------------------------------------------------------</span></div>
<div class="line"><a name="l00327"></a><span class="lineno"> 327</span>&#160;<a class="code" href="../../df/df2/_native_types_8h.xhtml#a6eb1e68cc391dd753bc8ce896dbb8315">uint32_t</a> <a class="code" href="../../dd/d68/class_s_l_net_1_1_c_c_rak_net_sliding_window.xhtml#a8e5cb3d407d0d7db1b4e069b6bdd2441" title="Return what was set by SetMTU()">CCRakNetSlidingWindow::GetMTU</a>(<span class="keywordtype">void</span>)<span class="keyword"> const</span></div>
<div class="line"><a name="l00328"></a><span class="lineno"> 328</span>&#160;<span class="keyword"></span>{</div>
<div class="line"><a name="l00329"></a><span class="lineno"> 329</span>&#160; <span class="keywordflow">return</span> <a class="code" href="../../dd/d68/class_s_l_net_1_1_c_c_rak_net_sliding_window.xhtml#afa36e77d1d60ef91d8ad186cc8166c89">MAXIMUM_MTU_INCLUDING_UDP_HEADER</a>;</div>
<div class="line"><a name="l00330"></a><span class="lineno"> 330</span>&#160;}</div>
<div class="line"><a name="l00331"></a><span class="lineno"> 331</span>&#160;<span class="comment">// ----------------------------------------------------------------------------------------------------------------------------</span></div>
<div class="line"><a name="l00332"></a><span class="lineno"> 332</span>&#160;<a class="code" href="../../d0/dfb/_c_c_rak_net_sliding_window_8h.xhtml#a093707671afbde33de2a3aa1ceaf85c3">BytesPerMicrosecond</a> <a class="code" href="../../dd/d68/class_s_l_net_1_1_c_c_rak_net_sliding_window.xhtml#a1783f6e8ca3b9747cb83e2d0644e92d2">CCRakNetSlidingWindow::GetLocalReceiveRate</a>(<a class="code" href="../../d0/dfb/_c_c_rak_net_sliding_window_8h.xhtml#af68854e24d09ea8058bf8b27ce0f24e6">CCTimeType</a> currentTime)<span class="keyword"> const</span></div>
<div class="line"><a name="l00333"></a><span class="lineno"> 333</span>&#160;<span class="keyword"></span>{</div>
<div class="line"><a name="l00334"></a><span class="lineno"> 334</span>&#160; (void) currentTime;</div>
<div class="line"><a name="l00335"></a><span class="lineno"> 335</span>&#160;</div>
<div class="line"><a name="l00336"></a><span class="lineno"> 336</span>&#160; <span class="keywordflow">return</span> 0; <span class="comment">// TODO</span></div>
<div class="line"><a name="l00337"></a><span class="lineno"> 337</span>&#160;}</div>
<div class="line"><a name="l00338"></a><span class="lineno"> 338</span>&#160;<span class="comment">// ----------------------------------------------------------------------------------------------------------------------------</span></div>
<div class="line"><a name="l00339"></a><span class="lineno"> 339</span>&#160;<span class="keywordtype">double</span> <a class="code" href="../../dd/d68/class_s_l_net_1_1_c_c_rak_net_sliding_window.xhtml#a9bbf601678f1fa50bd8cd6822bde5c34" title="Query for statistics.">CCRakNetSlidingWindow::GetRTT</a>(<span class="keywordtype">void</span>)<span class="keyword"> const</span></div>
<div class="line"><a name="l00340"></a><span class="lineno"> 340</span>&#160;<span class="keyword"></span>{</div>
<div class="line"><a name="l00341"></a><span class="lineno"> 341</span>&#160; <span class="keywordflow">if</span> (<a class="code" href="../../dd/d68/class_s_l_net_1_1_c_c_rak_net_sliding_window.xhtml#ad5ed60de06715a4a2455f563ce479a3c">lastRtt</a>==<a class="code" href="../../d8/d52/_c_c_rak_net_u_d_t_8cpp.xhtml#a8091bcafbec27f4e2118c1edc9c7038f">UNSET_TIME_US</a>)</div>
<div class="line"><a name="l00342"></a><span class="lineno"> 342</span>&#160; <span class="keywordflow">return</span> 0.0;</div>
<div class="line"><a name="l00343"></a><span class="lineno"> 343</span>&#160; <span class="keywordflow">return</span> <a class="code" href="../../dd/d68/class_s_l_net_1_1_c_c_rak_net_sliding_window.xhtml#ad5ed60de06715a4a2455f563ce479a3c">lastRtt</a>;</div>
<div class="line"><a name="l00344"></a><span class="lineno"> 344</span>&#160;}</div>
<div class="line"><a name="l00345"></a><span class="lineno"> 345</span>&#160;<span class="comment">// ----------------------------------------------------------------------------------------------------------------------------</span></div>
<div class="line"><a name="l00346"></a><span class="lineno"> 346</span>&#160;<span class="keywordtype">bool</span> <a class="code" href="../../dd/d68/class_s_l_net_1_1_c_c_rak_net_sliding_window.xhtml#a0dfce620bc2d00dcd87767d5282b969f" title="Is a &gt; b, accounting for variable overflow?">CCRakNetSlidingWindow::GreaterThan</a>(<a class="code" href="../../d9/d6a/struct_s_l_net_1_1uint24__t.xhtml">DatagramSequenceNumberType</a> a, <a class="code" href="../../d9/d6a/struct_s_l_net_1_1uint24__t.xhtml">DatagramSequenceNumberType</a> b)</div>
<div class="line"><a name="l00347"></a><span class="lineno"> 347</span>&#160;{</div>
<div class="line"><a name="l00348"></a><span class="lineno"> 348</span>&#160; <span class="comment">// a &gt; b?</span></div>
<div class="line"><a name="l00349"></a><span class="lineno"> 349</span>&#160; <span class="keyword">const</span> <a class="code" href="../../d9/d6a/struct_s_l_net_1_1uint24__t.xhtml">DatagramSequenceNumberType</a> halfSpan =(<a class="code" href="../../d0/dfb/_c_c_rak_net_sliding_window_8h.xhtml#ae16c16e7f0604671c945b768e0532da7">DatagramSequenceNumberType</a>) (((<a class="code" href="../../d9/d6a/struct_s_l_net_1_1uint24__t.xhtml">DatagramSequenceNumberType</a>)(<span class="keyword">const</span> <a class="code" href="../../df/df2/_native_types_8h.xhtml#a6eb1e68cc391dd753bc8ce896dbb8315">uint32_t</a>)-1)/(<a class="code" href="../../d0/dfb/_c_c_rak_net_sliding_window_8h.xhtml#ae16c16e7f0604671c945b768e0532da7">DatagramSequenceNumberType</a>)2);</div>
<div class="line"><a name="l00350"></a><span class="lineno"> 350</span>&#160; <span class="keywordflow">return</span> b!=a &amp;&amp; b-a&gt;halfSpan;</div>
<div class="line"><a name="l00351"></a><span class="lineno"> 351</span>&#160;}</div>
<div class="line"><a name="l00352"></a><span class="lineno"> 352</span>&#160;<span class="comment">// ----------------------------------------------------------------------------------------------------------------------------</span></div>
<div class="line"><a name="l00353"></a><span class="lineno"> 353</span>&#160;<span class="keywordtype">bool</span> <a class="code" href="../../dd/d68/class_s_l_net_1_1_c_c_rak_net_sliding_window.xhtml#a338c0e94028ac1e271b233ba2366c1ec" title="Is a &lt; b, accounting for variable overflow?">CCRakNetSlidingWindow::LessThan</a>(<a class="code" href="../../d9/d6a/struct_s_l_net_1_1uint24__t.xhtml">DatagramSequenceNumberType</a> a, <a class="code" href="../../d9/d6a/struct_s_l_net_1_1uint24__t.xhtml">DatagramSequenceNumberType</a> b)</div>
<div class="line"><a name="l00354"></a><span class="lineno"> 354</span>&#160;{</div>
<div class="line"><a name="l00355"></a><span class="lineno"> 355</span>&#160; <span class="comment">// a &lt; b?</span></div>
<div class="line"><a name="l00356"></a><span class="lineno"> 356</span>&#160; <span class="keyword">const</span> <a class="code" href="../../d9/d6a/struct_s_l_net_1_1uint24__t.xhtml">DatagramSequenceNumberType</a> halfSpan = ((<a class="code" href="../../d0/dfb/_c_c_rak_net_sliding_window_8h.xhtml#ae16c16e7f0604671c945b768e0532da7">DatagramSequenceNumberType</a>)(<span class="keyword">const</span> <a class="code" href="../../df/df2/_native_types_8h.xhtml#a6eb1e68cc391dd753bc8ce896dbb8315">uint32_t</a>)-1)/(<a class="code" href="../../d9/d6a/struct_s_l_net_1_1uint24__t.xhtml">DatagramSequenceNumberType</a>)2;</div>
<div class="line"><a name="l00357"></a><span class="lineno"> 357</span>&#160; <span class="keywordflow">return</span> b!=a &amp;&amp; b-a&lt;halfSpan;</div>
<div class="line"><a name="l00358"></a><span class="lineno"> 358</span>&#160;}</div>
<div class="line"><a name="l00359"></a><span class="lineno"> 359</span>&#160;<span class="comment">// ----------------------------------------------------------------------------------------------------------------------------</span></div>
<div class="line"><a name="l00360"></a><span class="lineno"> 360</span>&#160;<a class="code" href="../../df/df2/_native_types_8h.xhtml#ad27ed092432b64ff558d2254c278720f">uint64_t</a> <a class="code" href="../../dd/d68/class_s_l_net_1_1_c_c_rak_net_sliding_window.xhtml#a5377c3b1325d57b55434bd7ebd321529">CCRakNetSlidingWindow::GetBytesPerSecondLimitByCongestionControl</a>(<span class="keywordtype">void</span>)<span class="keyword"> const</span></div>
<div class="line"><a name="l00361"></a><span class="lineno"> 361</span>&#160;<span class="keyword"></span>{</div>
<div class="line"><a name="l00362"></a><span class="lineno"> 362</span>&#160; <span class="keywordflow">return</span> 0; <span class="comment">// TODO</span></div>
<div class="line"><a name="l00363"></a><span class="lineno"> 363</span>&#160;}</div>
<div class="line"><a name="l00364"></a><span class="lineno"> 364</span>&#160;<span class="comment">// ----------------------------------------------------------------------------------------------------------------------------</span></div>
<div class="line"><a name="l00365"></a><span class="lineno"> 365</span>&#160;<a class="code" href="../../d0/dfb/_c_c_rak_net_sliding_window_8h.xhtml#af68854e24d09ea8058bf8b27ce0f24e6">CCTimeType</a> <a class="code" href="../../dd/d68/class_s_l_net_1_1_c_c_rak_net_sliding_window.xhtml#a700e3d07b59bbbb0ca0005e6545d7d71">CCRakNetSlidingWindow::GetSenderRTOForACK</a>(<span class="keywordtype">void</span>)<span class="keyword"> const</span></div>
<div class="line"><a name="l00366"></a><span class="lineno"> 366</span>&#160;<span class="keyword"></span>{</div>
<div class="line"><a name="l00367"></a><span class="lineno"> 367</span>&#160; <span class="keywordflow">if</span> (<a class="code" href="../../dd/d68/class_s_l_net_1_1_c_c_rak_net_sliding_window.xhtml#ad5ed60de06715a4a2455f563ce479a3c">lastRtt</a>==<a class="code" href="../../d8/d52/_c_c_rak_net_u_d_t_8cpp.xhtml#a8091bcafbec27f4e2118c1edc9c7038f">UNSET_TIME_US</a>)</div>
<div class="line"><a name="l00368"></a><span class="lineno"> 368</span>&#160; <span class="keywordflow">return</span> (<a class="code" href="../../d0/dfb/_c_c_rak_net_sliding_window_8h.xhtml#af68854e24d09ea8058bf8b27ce0f24e6">CCTimeType</a>) <a class="code" href="../../d8/d52/_c_c_rak_net_u_d_t_8cpp.xhtml#a8091bcafbec27f4e2118c1edc9c7038f">UNSET_TIME_US</a>;</div>
<div class="line"><a name="l00369"></a><span class="lineno"> 369</span>&#160; <span class="keywordflow">return</span> (<a class="code" href="../../d0/dfb/_c_c_rak_net_sliding_window_8h.xhtml#af68854e24d09ea8058bf8b27ce0f24e6">CCTimeType</a>)(<a class="code" href="../../dd/d68/class_s_l_net_1_1_c_c_rak_net_sliding_window.xhtml#ad5ed60de06715a4a2455f563ce479a3c">lastRtt</a> + <a class="code" href="../../d8/d52/_c_c_rak_net_u_d_t_8cpp.xhtml#a55937587b422b0e8c051011deb28c4a4">SYN</a>);</div>
<div class="line"><a name="l00370"></a><span class="lineno"> 370</span>&#160;}</div>
<div class="line"><a name="l00371"></a><span class="lineno"> 371</span>&#160;<span class="comment">// ----------------------------------------------------------------------------------------------------------------------------</span></div>
<div class="line"><a name="l00372"></a><span class="lineno"> 372</span>&#160;<span class="keywordtype">bool</span> <a class="code" href="../../dd/d68/class_s_l_net_1_1_c_c_rak_net_sliding_window.xhtml#a3e08ed316fddc6aa342b6b6b22cf2ed1">CCRakNetSlidingWindow::IsInSlowStart</a>(<span class="keywordtype">void</span>)<span class="keyword"> const</span></div>
<div class="line"><a name="l00373"></a><span class="lineno"> 373</span>&#160;<span class="keyword"></span>{</div>
<div class="line"><a name="l00374"></a><span class="lineno"> 374</span>&#160; <span class="keywordflow">return</span> <a class="code" href="../../dd/d68/class_s_l_net_1_1_c_c_rak_net_sliding_window.xhtml#ac7ec19f4ce6df6b2d5e21f17330f8d6e">cwnd</a> &lt;= <a class="code" href="../../dd/d68/class_s_l_net_1_1_c_c_rak_net_sliding_window.xhtml#a49ae0029e074d8cf7159ec94e512e256">ssThresh</a> || <a class="code" href="../../dd/d68/class_s_l_net_1_1_c_c_rak_net_sliding_window.xhtml#a49ae0029e074d8cf7159ec94e512e256">ssThresh</a>==0;</div>
<div class="line"><a name="l00375"></a><span class="lineno"> 375</span>&#160;}</div>
<div class="line"><a name="l00376"></a><span class="lineno"> 376</span>&#160;<span class="comment">// ----------------------------------------------------------------------------------------------------------------------------</span></div>
<div class="line"><a name="l00377"></a><span class="lineno"> 377</span>&#160;<span class="preprocessor">#endif</span></div>
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