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65<h1>selective_repeat.h</h1><a href="selective__repeat_8h.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001
66<a name="l00029"></a>00029 <span class="preprocessor">#ifndef SELECTIVE_REPEAT_H</span>
67<a name="l00030"></a>00030 <span class="preprocessor"></span><span class="preprocessor">#define SELECTIVE_REPEAT_H</span>
68<a name="l00031"></a>00031 <span class="preprocessor"></span>
69<a name="l00032"></a>00032 <span class="preprocessor">#include &lt;<a class="code" href="packet_8h.html" title="Definition of a Packet class.">itpp/protocol/packet.h</a>&gt;</span>
70<a name="l00033"></a>00033 <span class="preprocessor">#include &lt;<a class="code" href="front__drop__queue_8h.html" title="Definitions of a Front Drop Queue class.">itpp/protocol/front_drop_queue.h</a>&gt;</span>
71<a name="l00034"></a>00034 <span class="preprocessor">#include &lt;<a class="code" href="vec_8h.html" title="Templated Vector Class Definitions.">itpp/base/vec.h</a>&gt;</span>
72<a name="l00035"></a>00035 <span class="preprocessor">#include &lt;<a class="code" href="array_8h.html" title="Definition of Array class (container).">itpp/base/array.h</a>&gt;</span>
73<a name="l00036"></a>00036
74<a name="l00037"></a>00037
75<a name="l00038"></a>00038 <span class="keyword">namespace </span>itpp
76<a name="l00039"></a>00039 {
77<a name="l00040"></a>00040
78<a name="l00042"></a>00042
79<a name="l00043"></a>00043
80<a name="l00047"></a><a class="code" href="classitpp_1_1Selective__Repeat__ARQ__Sender.html">00047</a> <span class="keyword">class </span><a class="code" href="classitpp_1_1Selective__Repeat__ARQ__Sender.html">Selective_Repeat_ARQ_Sender</a>
81<a name="l00048"></a>00048 {
82<a name="l00049"></a>00049 <span class="keyword">public</span>:
83<a name="l00051"></a>00051   <a class="code" href="classitpp_1_1Selective__Repeat__ARQ__Sender.html#be7c5e8cfb75f35204a877ce6c4dd920" title="ADD DOCUMENTATION HERE.">Selective_Repeat_ARQ_Sender</a>();
84<a name="l00052"></a>00052
85<a name="l00054"></a>00054   <a class="code" href="classitpp_1_1Selective__Repeat__ARQ__Sender.html#be7c5e8cfb75f35204a877ce6c4dd920" title="ADD DOCUMENTATION HERE.">Selective_Repeat_ARQ_Sender</a>(<span class="keyword">const</span> <span class="keywordtype">int</span> Seq_no_size, <span class="keyword">const</span> <span class="keywordtype">int</span> Buffer_size_factor, <span class="keyword">const</span> <span class="keywordtype">int</span> Link_packet_size, <span class="keyword">const</span> <a class="code" href="group__protocol.html#g33cb6c41273f24dbf05adf6e7cdb1a04" title="64-bit floating point time">Ttype</a> Time_out);
86<a name="l00055"></a>00055
87<a name="l00057"></a>00057   <a class="code" href="classitpp_1_1Selective__Repeat__ARQ__Sender.html#d92489242c1a767120dfc4825b78137e" title="ADD DOCUMENTATION HERE.">~Selective_Repeat_ARQ_Sender</a>();
88<a name="l00058"></a>00058
89<a name="l00060"></a>00060   <span class="keywordtype">void</span> <a class="code" href="classitpp_1_1Selective__Repeat__ARQ__Sender.html#ec7c8ead4a22ad6e7990faf76163a824" title="ADD DOCUMENTATION HERE.">set_parameters</a>(<span class="keyword">const</span> <span class="keywordtype">int</span> Seq_no_size,        <span class="comment">// # bits in sequence no.</span>
90<a name="l00061"></a>00061                       <span class="keyword">const</span> <span class="keywordtype">int</span> Buffer_size_factor, <span class="comment">// Link-packet buffer size = 2^(Seq_no_size)*Buffer_size_factor.</span>
91<a name="l00062"></a>00062                       <span class="keyword">const</span> <span class="keywordtype">int</span> Link_packet_size,    <span class="comment">// Size of the link packets in bytes.</span>
92<a name="l00063"></a>00063                       <span class="keyword">const</span> <a class="code" href="group__protocol.html#g33cb6c41273f24dbf05adf6e7cdb1a04" title="64-bit floating point time">Ttype</a> Time_out);        <span class="comment">// Idle time before retransmission.</span>
93<a name="l00064"></a>00064
94<a name="l00065"></a>00065   <span class="comment">// -- Slots -- //</span>
95<a name="l00066"></a><a class="code" href="classitpp_1_1Selective__Repeat__ARQ__Sender.html#96d5e5d1345b66288abeeea3d3bc9573">00066</a>   <a class="code" href="classitpp_1_1Slot.html">Slot&lt;Selective_Repeat_ARQ_Sender, Packet*&gt;</a> <a class="code" href="classitpp_1_1Selective__Repeat__ARQ__Sender.html#96d5e5d1345b66288abeeea3d3bc9573" title="Receives incoming packets.">packet_input</a>;
96<a name="l00067"></a><a class="code" href="classitpp_1_1Selective__Repeat__ARQ__Sender.html#5777c9fd300f7f0fb82b4013bfa708ef">00067</a>   <a class="code" href="classitpp_1_1Slot.html" title="Slot Class.">Slot&lt;Selective_Repeat_ARQ_Sender, Array&lt;Packet*&gt;</a> &gt; <a class="code" href="classitpp_1_1Selective__Repeat__ARQ__Sender.html#5777c9fd300f7f0fb82b4013bfa708ef" title="Receives incoming ack/nacks.">ack_input</a>;
97<a name="l00068"></a><a class="code" href="classitpp_1_1Selective__Repeat__ARQ__Sender.html#ce8a528916688f1ecdb4968012c72367">00068</a>   <a class="code" href="classitpp_1_1Slot.html">Slot&lt;Selective_Repeat_ARQ_Sender, void*&gt;</a> <a class="code" href="classitpp_1_1Selective__Repeat__ARQ__Sender.html#ce8a528916688f1ecdb4968012c72367" title="Receives incoming query for number of packets ready to transmit.">query_nof_ready_packets</a>;
98<a name="l00069"></a><a class="code" href="classitpp_1_1Selective__Repeat__ARQ__Sender.html#c3fd5b4f81a164efbfe28411f24c0d27">00069</a>   <a class="code" href="classitpp_1_1Slot.html">Slot&lt;Selective_Repeat_ARQ_Sender, int&gt;</a> <a class="code" href="classitpp_1_1Selective__Repeat__ARQ__Sender.html#c3fd5b4f81a164efbfe28411f24c0d27" title="Receives incoming packet output requests.">packet_output_request</a>;
99<a name="l00070"></a>00070
100<a name="l00071"></a>00071   <span class="comment">// -- Signals -- //</span>
101<a name="l00072"></a><a class="code" href="classitpp_1_1Selective__Repeat__ARQ__Sender.html#60194786697f2db4e412ffe33b962f5a">00072</a>   <a class="code" href="classitpp_1_1Signal.html" title="Signals and slots.">Signal&lt;Array&lt;Packet*&gt;</a> &gt; <a class="code" href="classitpp_1_1Selective__Repeat__ARQ__Sender.html#60194786697f2db4e412ffe33b962f5a" title="Delivers transmitted packets.">packet_output</a>;
102<a name="l00073"></a><a class="code" href="classitpp_1_1Selective__Repeat__ARQ__Sender.html#01397f16a6caeca19cc38967c297da38">00073</a>   <a class="code" href="classitpp_1_1Signal.html">Signal&lt;int&gt;</a> <a class="code" href="classitpp_1_1Selective__Repeat__ARQ__Sender.html#01397f16a6caeca19cc38967c297da38" title="Delivers no ready packets.">nof_ready_packets</a>;         
103<a name="l00074"></a><a class="code" href="classitpp_1_1Selective__Repeat__ARQ__Sender.html#ded4e0d66e92136ee27aee57568802be">00074</a>   <a class="code" href="classitpp_1_1Signal.html">Signal&lt;int&gt;</a> <a class="code" href="classitpp_1_1Selective__Repeat__ARQ__Sender.html#ded4e0d66e92136ee27aee57568802be" title="Signals buffer overflows.">buffer_overflow</a>;           
104<a name="l00075"></a>00075
105<a name="l00077"></a>00077   <span class="keywordtype">int</span> <a class="code" href="classitpp_1_1Selective__Repeat__ARQ__Sender.html#244c33c71503ff4516dc297afca9d00d" title="ADD DOCUMENTATION HERE.">buffer_size</a>();
106<a name="l00079"></a>00079   <span class="keywordtype">int</span> <a class="code" href="classitpp_1_1Selective__Repeat__ARQ__Sender.html#79b225876b56d56652f6ca1a8dbd984e" title="ADD DOCUMENTATION HERE.">link_packets_buffered</a>();
107<a name="l00081"></a>00081   <span class="keywordtype">int</span> <a class="code" href="classitpp_1_1Selective__Repeat__ARQ__Sender.html#a905ea2955e7011a17d9962e15d32760" title="ADD DOCUMENTATION HERE.">nof_ready_link_packets</a>();
108<a name="l00083"></a>00083   <span class="keywordtype">int</span> <a class="code" href="classitpp_1_1Selective__Repeat__ARQ__Sender.html#c3352ba85d1ef066c6fc1de8dacf8f95" title="ADD DOCUMENTATION HERE.">link_packets_queued_waiting_for_transmission</a>();
109<a name="l00085"></a>00085   <a class="code" href="group__protocol.html#g33cb6c41273f24dbf05adf6e7cdb1a04" title="64-bit floating point time">Ttype</a> <a class="code" href="classitpp_1_1Selective__Repeat__ARQ__Sender.html#f13797cf4fcd2db2a204a11846c91429" title="ADD DOCUMENTATION HERE.">link_packets_max_queuing_time</a>();
110<a name="l00087"></a>00087   <span class="keywordtype">void</span> <a class="code" href="classitpp_1_1Selective__Repeat__ARQ__Sender.html#89c61a299a084c87052dbd8c07739f23" title="ADD DOCUMENTATION HERE.">get_link_packets</a>(<span class="keyword">const</span> <span class="keywordtype">int</span> K, <a class="code" href="classitpp_1_1Array.html">Array&lt;Packet*&gt;</a> &amp;pa);
111<a name="l00088"></a>00088
112<a name="l00089"></a>00089 <span class="keyword">private</span>:
113<a name="l00090"></a>00090   <span class="keywordtype">void</span> handle_ack_input(<a class="code" href="classitpp_1_1Array.html">Array&lt;Packet*&gt;</a> packet_array); <span class="comment">// Take care of incomming ack/nacks.</span>
114<a name="l00091"></a>00091   <span class="keywordtype">void</span> handle_packet_input(<a class="code" href="classitpp_1_1Packet.html">Packet</a> *P);          <span class="comment">// Take care of incomming packets.</span>
115<a name="l00092"></a>00092   <span class="keywordtype">void</span> handle_packet_output_request(<span class="keywordtype">int</span> K);     <span class="comment">// Take care of incomming packet requests.</span>
116<a name="l00093"></a>00093   <span class="keywordtype">void</span> handle_query_nof_ready_packets(<span class="keywordtype">void</span>*);   <span class="comment">// Take care of incomming query for number of packets ready to transmit.</span>
117<a name="l00094"></a>00094   <span class="keywordtype">void</span> retransmit(<span class="keywordtype">int</span> Sequence_number);    <span class="comment">// Take care of incomming query for number of packets ready to transmit.</span>
118<a name="l00095"></a>00095   <span class="keywordtype">void</span> <span class="keyword">remove</span>(<span class="keyword">const</span> <span class="keywordtype">int</span> Sequence_number);
119<a name="l00096"></a>00096   <span class="keywordtype">void</span> push_packet_on_tx_buffer(<a class="code" href="classitpp_1_1Packet.html">Packet</a> *packet);
120<a name="l00097"></a>00097   <span class="keywordtype">int</span> buffered_non_outstanding();
121<a name="l00098"></a>00098   <span class="keywordtype">int</span> free_sequence_numbers();
122<a name="l00099"></a>00099   <span class="keywordtype">int</span> sequence_number_2_buffer_index(<span class="keyword">const</span> <span class="keywordtype">int</span> Sequence_number);
123<a name="l00100"></a>00100   <span class="keywordtype">void</span> schedule_output(<span class="keyword">const</span> <span class="keywordtype">int</span> Buffer_index, <span class="keyword">const</span> <span class="keywordtype">int</span> Sequence_number, <span class="keyword">const</span> <span class="keywordtype">bool</span> Retransmission);
124<a name="l00101"></a>00101   <span class="keywordtype">void</span> cancel_output(<span class="keyword">const</span> <span class="keywordtype">int</span> Sequence_number);
125<a name="l00102"></a>00102   <span class="keywordtype">void</span> fill_output();
126<a name="l00103"></a>00103   <span class="keywordtype">int</span> feasable_blocks();
127<a name="l00104"></a>00104   <span class="keywordtype">bool</span> parameters_ok;
128<a name="l00105"></a>00105   <a class="code" href="classitpp_1_1Front__Drop__Queue.html" title="ADD DOCUMENTATION HERE.">Front_Drop_Queue</a> ip_pkt_queue;
129<a name="l00106"></a>00106   <a class="code" href="classitpp_1_1Array.html">Array&lt;Link_Packet*&gt;</a> input_buffer;
130<a name="l00107"></a>00107   <span class="keywordtype">int</span> input_buffer_size;
131<a name="l00108"></a>00108   <span class="keywordtype">int</span> input_next;
132<a name="l00109"></a>00109   <span class="keywordtype">int</span> input_free_space;
133<a name="l00110"></a>00110   <span class="keywordtype">int</span> seq_no_size;
134<a name="l00111"></a>00111   <span class="keywordtype">int</span> seq_no;
135<a name="l00112"></a>00112   <span class="keywordtype">int</span> seq_no_max;
136<a name="l00113"></a>00113   <span class="keywordtype">int</span> tx_next;
137<a name="l00114"></a>00114   <span class="keywordtype">int</span> tx_last;
138<a name="l00115"></a>00115   <span class="keywordtype">int</span> outstanding;
139<a name="l00116"></a>00116   <span class="keywordtype">int</span> id;
140<a name="l00117"></a>00117   <a class="code" href="group__protocol.html#g33cb6c41273f24dbf05adf6e7cdb1a04" title="64-bit floating point time">Ttype</a> time_out;
141<a name="l00118"></a>00118   <a class="code" href="classitpp_1_1Array.html" title="General array class.">Array&lt;ATimer&lt;Selective_Repeat_ARQ_Sender, int&gt;</a> &gt; timer;
142<a name="l00119"></a>00119   ivec output_indexes;
143<a name="l00120"></a>00120   ivec retransmission_indexes;
144<a name="l00121"></a>00121   <span class="keywordtype">int</span> rd_pos;
145<a name="l00122"></a>00122   <span class="keywordtype">int</span> rt_pos;
146<a name="l00123"></a>00123   <span class="keywordtype">int</span> scheduled_total;
147<a name="l00124"></a>00124   <span class="keywordtype">int</span> scheduled_retransmissions;
148<a name="l00125"></a>00125   <span class="keywordtype">int</span> no_retransmit;
149<a name="l00126"></a>00126   <span class="keywordtype">int</span> link_packet_size;
150<a name="l00127"></a>00127 };
151<a name="l00128"></a>00128
152<a name="l00129"></a>00129
153<a name="l00133"></a><a class="code" href="classitpp_1_1Selective__Repeat__ARQ__Receiver.html">00133</a> <span class="keyword">class </span><a class="code" href="classitpp_1_1Selective__Repeat__ARQ__Receiver.html">Selective_Repeat_ARQ_Receiver</a>
154<a name="l00134"></a>00134 {
155<a name="l00135"></a>00135 <span class="keyword">public</span>:
156<a name="l00137"></a>00137   <a class="code" href="classitpp_1_1Selective__Repeat__ARQ__Receiver.html#28ffc8a0affad3c558393930364361ba" title="ADD DOCUMENTATION HERE.">Selective_Repeat_ARQ_Receiver</a>();
157<a name="l00138"></a>00138
158<a name="l00140"></a>00140   <a class="code" href="classitpp_1_1Selective__Repeat__ARQ__Receiver.html#28ffc8a0affad3c558393930364361ba" title="ADD DOCUMENTATION HERE.">Selective_Repeat_ARQ_Receiver</a>(<span class="keyword">const</span> <span class="keywordtype">int</span> Seq_no_size);
159<a name="l00141"></a>00141
160<a name="l00143"></a>00143   <a class="code" href="classitpp_1_1Selective__Repeat__ARQ__Receiver.html#8dc8b5650a323fba38a501eab7c8219c" title="ADD DOCUMENTATION HERE.">~Selective_Repeat_ARQ_Receiver</a>();
161<a name="l00144"></a>00144
162<a name="l00145"></a>00145   <span class="comment">// -- Slots -- //</span>
163<a name="l00146"></a><a class="code" href="classitpp_1_1Selective__Repeat__ARQ__Receiver.html#3e2bb4e46976d0279b7802946f60761c">00146</a>   <a class="code" href="classitpp_1_1Slot.html" title="Slot Class.">Slot&lt;Selective_Repeat_ARQ_Receiver, Array&lt;Packet*&gt;</a> &gt; <a class="code" href="classitpp_1_1Selective__Repeat__ARQ__Receiver.html#3e2bb4e46976d0279b7802946f60761c" title="Receives incoming packets.">packet_input</a>;
164<a name="l00147"></a>00147
165<a name="l00148"></a>00148   <span class="comment">// -- Signals -- //</span>
166<a name="l00149"></a><a class="code" href="classitpp_1_1Selective__Repeat__ARQ__Receiver.html#7994ca431c8da36528be196410a194cb">00149</a>   <a class="code" href="classitpp_1_1Signal.html" title="Signals and slots.">Signal&lt;Array&lt;Packet*&gt;</a> &gt; <a class="code" href="classitpp_1_1Selective__Repeat__ARQ__Receiver.html#7994ca431c8da36528be196410a194cb" title="Delivers ack.">ack_output</a>;
167<a name="l00150"></a><a class="code" href="classitpp_1_1Selective__Repeat__ARQ__Receiver.html#d5b77bf524b2d169624aad0906f9a055">00150</a>   <a class="code" href="classitpp_1_1Signal.html">Signal&lt;Packet*&gt;</a> <a class="code" href="classitpp_1_1Selective__Repeat__ARQ__Receiver.html#d5b77bf524b2d169624aad0906f9a055" title="Delivers received packets.">packet_output</a>;     
168<a name="l00151"></a>00151
169<a name="l00153"></a>00153   <span class="keywordtype">void</span> <a class="code" href="classitpp_1_1Selective__Repeat__ARQ__Receiver.html#cd2460fde4db93e93c5083f5410ac5b3" title="ADD DOCUMENTATION HERE.">set_parameters</a>(<span class="keyword">const</span> <span class="keywordtype">int</span> Seq_no_size); <span class="comment">// # bits in sequence no.</span>
170<a name="l00154"></a>00154
171<a name="l00155"></a>00155 <span class="keyword">private</span>:
172<a name="l00156"></a>00156   <span class="keywordtype">bool</span> greater_modulo_L(<span class="keyword">const</span> <span class="keywordtype">int</span> a, <span class="keyword">const</span> <span class="keywordtype">int</span> b);
173<a name="l00157"></a>00157   <span class="keywordtype">void</span> handle_packet_input(<a class="code" href="classitpp_1_1Array.html">Array&lt;Packet*&gt;</a>); <span class="comment">// Take care of incomming packets.</span>
174<a name="l00158"></a>00158   <span class="keywordtype">int</span> seq_no_size;
175<a name="l00159"></a>00159   <span class="keywordtype">int</span> seq_no_max;
176<a name="l00160"></a>00160   <a class="code" href="classitpp_1_1Array.html">Array&lt;Link_Packet*&gt;</a> rx_buffer;
177<a name="l00161"></a>00161   <span class="keywordtype">int</span> Rnext;
178<a name="l00162"></a>00162   <span class="keywordtype">int</span> id;
179<a name="l00163"></a>00163   <span class="keywordtype">bool</span> parameters_ok;
180<a name="l00164"></a>00164 };
181<a name="l00165"></a>00165
182<a name="l00167"></a>00167
183<a name="l00168"></a>00168 } <span class="comment">// namespace itpp</span>
184<a name="l00169"></a>00169
185<a name="l00170"></a>00170 <span class="preprocessor">#endif // #ifndef SELECTIVE_REPEAT_H</span>
186<a name="l00171"></a>00171 <span class="preprocessor"></span>
187</pre></div></div>
188<hr size="1"><address style="text-align: right;"><small>Generated on Tue Jun 2 10:02:12 2009 for mixpp by&nbsp;
189<a href="http://www.doxygen.org/index.html">
190<img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.5.8 </small></address>
191</body>
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