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<h1>libhpsangoma.c</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*****************************************************************************</span>
<a name="l00002"></a>00002 <span class="comment"> * libhpsangoma.c: Sangoma High Performance TDM API - Span Based Library</span>
<a name="l00003"></a>00003 <span class="comment"> *</span>
<a name="l00004"></a>00004 <span class="comment"> * Author(s): Nenad Corbic &lt;ncorbic@sangoma.com&gt;</span>
<a name="l00005"></a>00005 <span class="comment"> *</span>
<a name="l00006"></a>00006 <span class="comment"> * Copyright: (c) 2008 Nenad Corbic &lt;ncorbic@sangoma.com&gt;</span>
<a name="l00007"></a>00007 <span class="comment"> *</span>
<a name="l00008"></a>00008 <span class="comment"> * This program is free software; you can redistribute it and/or</span>
<a name="l00009"></a>00009 <span class="comment"> * modify it under the terms of the GNU General Public License</span>
<a name="l00010"></a>00010 <span class="comment"> * as published by the Free Software Foundation; either version</span>
<a name="l00011"></a>00011 <span class="comment"> * 2 of the License, or (at your option) any later version.</span>
<a name="l00012"></a>00012 <span class="comment"> * ============================================================================</span>
<a name="l00013"></a>00013 <span class="comment"> *</span>
<a name="l00014"></a>00014 <span class="comment"> */</span>
<a name="l00015"></a>00015
<a name="l00016"></a>00016 <span class="preprocessor">#include "libhpsangoma.h"</span>
<a name="l00017"></a>00017 <span class="preprocessor">#include "libhpsangoma_priv.h"</span>
<a name="l00018"></a>00018
<a name="l00019"></a>00019 <span class="comment">/*---------------------------------------------------------</span>
<a name="l00020"></a>00020 <span class="comment"> PRIVATE STRUCTURES</span>
<a name="l00021"></a>00021 <span class="comment"> ----------------------------------------------------------*/</span>
<a name="l00022"></a>00022
<a name="l00023"></a>00023 void (*lib_log)(<span class="keywordtype">int</span> level, FILE *fp, <span class="keywordtype">char</span> *file, <span class="keyword">const</span> <span class="keywordtype">char</span> *func, <span class="keywordtype">int</span> line, <span class="keywordtype">char</span> *fmt, ...)=NULL;
<a name="l00024"></a>00024
<a name="l00025"></a>00025
<a name="l00034"></a>00034 <span class="keyword">static</span> <span class="keywordtype">int</span> sangoma_hp_tdm_chan_push(<span class="keyword">struct</span> <a class="code" href="structsangoma__hptdm__chan.html">sangoma_hptdm_chan</a> *chan, <span class="keywordtype">char</span> *data, <span class="keywordtype">int</span> len)
<a name="l00035"></a>00035 {
<a name="l00036"></a>00036 <a class="code" href="structhp__tdm__chunk.html">hp_tmd_chunk_t</a> *tx_chunk;
<a name="l00037"></a>00037 <span class="keywordtype">int</span> free_slots;
<a name="l00038"></a>00038
<a name="l00039"></a>00039 <span class="keywordflow">if</span> (!chan-&gt;<a class="code" href="structsangoma__hptdm__chan.html#7a43df2f36462e48e1104704fe38ccc1">init</a>) {
<a name="l00040"></a>00040 <span class="keywordflow">return</span> -2;
<a name="l00041"></a>00041 }
<a name="l00042"></a>00042
<a name="l00043"></a>00043 <span class="keywordflow">if</span> (len &gt;= SMG_HP_MAX_CHAN_DATA) {
<a name="l00044"></a>00044 <span class="comment">/* Data Too Big */</span>
<a name="l00045"></a>00045 lib_printf(0,NULL,<span class="stringliteral">"chan_push c%i tx chunk len %i too big\n"</span>,
<a name="l00046"></a>00046 chan-&gt;<a class="code" href="structsangoma__hptdm__chan.html#1604a853c601891fe97c0e1dfef97430">span_no</a>+1,chan-&gt;<a class="code" href="structsangoma__hptdm__chan.html#5e5053195c086b7e5bfa683573484e8c">chan_no</a>+1,chan-&gt;<a class="code" href="structsangoma__hptdm__chan.html#14b1cadb6d30cb61a7fcd163f72a417c">tx_idx_in</a>,len);
<a name="l00047"></a>00047 <span class="keywordflow">return</span> -1;
<a name="l00048"></a>00048 }
<a name="l00049"></a>00049
<a name="l00050"></a>00050 <span class="comment">/* Lock */</span>
<a name="l00051"></a>00051 <span class="keywordflow">if</span> (chan-&gt;<a class="code" href="structsangoma__hptdm__chan.html#14b1cadb6d30cb61a7fcd163f72a417c">tx_idx_in</a> &gt;= chan-&gt;<a class="code" href="structsangoma__hptdm__chan.html#f006a684b96712e6ad2a14b13a2665cc">tx_idx_out</a>) {
<a name="l00052"></a>00052 free_slots=SMG_HP_TDM_CHUNK_IDX_SZ-(chan-&gt;<a class="code" href="structsangoma__hptdm__chan.html#14b1cadb6d30cb61a7fcd163f72a417c">tx_idx_in</a>-chan-&gt;<a class="code" href="structsangoma__hptdm__chan.html#f006a684b96712e6ad2a14b13a2665cc">tx_idx_out</a>);
<a name="l00053"></a>00053 } <span class="keywordflow">else</span> {
<a name="l00054"></a>00054 free_slots=chan-&gt;<a class="code" href="structsangoma__hptdm__chan.html#f006a684b96712e6ad2a14b13a2665cc">tx_idx_out</a>-chan-&gt;<a class="code" href="structsangoma__hptdm__chan.html#14b1cadb6d30cb61a7fcd163f72a417c">tx_idx_in</a>;
<a name="l00055"></a>00055 }
<a name="l00056"></a>00056 <span class="comment">/* Un Lock */</span>
<a name="l00057"></a>00057
<a name="l00058"></a>00058 <span class="keywordflow">if</span> (!free_slots) {
<a name="l00059"></a>00059 <span class="comment">/* We have just overruned the tx buffer */</span>
<a name="l00060"></a>00060 lib_printf(0,NULL,<span class="stringliteral">"chan_push c%i failed no free slots in %i out %i\n"</span>,
<a name="l00061"></a>00061 chan-&gt;<a class="code" href="structsangoma__hptdm__chan.html#1604a853c601891fe97c0e1dfef97430">span_no</a>+1,chan-&gt;<a class="code" href="structsangoma__hptdm__chan.html#5e5053195c086b7e5bfa683573484e8c">chan_no</a>+1, chan-&gt;<a class="code" href="structsangoma__hptdm__chan.html#14b1cadb6d30cb61a7fcd163f72a417c">tx_idx_in</a>,chan-&gt;<a class="code" href="structsangoma__hptdm__chan.html#f006a684b96712e6ad2a14b13a2665cc">tx_idx_out</a>);
<a name="l00062"></a>00062 <span class="keywordflow">return</span> 1;
<a name="l00063"></a>00063 }
<a name="l00064"></a>00064
<a name="l00065"></a>00065 tx_chunk = &amp;chan-&gt;<a class="code" href="structsangoma__hptdm__chan.html#7e12d6e901b165fc5589bd9b88cf15fc">tx_idx</a>[chan-&gt;<a class="code" href="structsangoma__hptdm__chan.html#14b1cadb6d30cb61a7fcd163f72a417c">tx_idx_in</a>];
<a name="l00066"></a>00066 <span class="keywordflow">if</span> (tx_chunk-&gt;<a class="code" href="structhp__tdm__chunk.html#499da7fa85efbeef88ef5e2a499e2191">init</a>) {
<a name="l00067"></a>00067 <span class="comment">/* This should NEVER happen the chunk should be free */</span>
<a name="l00068"></a>00068 lib_printf(15,NULL,<span class="stringliteral">"chan_push s%ic%i tx chunk overrun in %i \n"</span>,
<a name="l00069"></a>00069 chan-&gt;<a class="code" href="structsangoma__hptdm__chan.html#1604a853c601891fe97c0e1dfef97430">span_no</a>+1,chan-&gt;<a class="code" href="structsangoma__hptdm__chan.html#5e5053195c086b7e5bfa683573484e8c">chan_no</a>+1,chan-&gt;<a class="code" href="structsangoma__hptdm__chan.html#14b1cadb6d30cb61a7fcd163f72a417c">tx_idx_in</a>);
<a name="l00070"></a>00070 <span class="keywordflow">return</span> 1;
<a name="l00071"></a>00071 }
<a name="l00072"></a>00072
<a name="l00073"></a>00073 memset(tx_chunk,0,<span class="keyword">sizeof</span>(<a class="code" href="structhp__tdm__chunk.html">hp_tmd_chunk_t</a>));
<a name="l00074"></a>00074 memcpy(&amp;tx_chunk-&gt;<a class="code" href="structhp__tdm__chunk.html#2ef17e4e751a2e523849c09a43727cb6">data</a>,data,len);
<a name="l00075"></a>00075 tx_chunk-&gt;<a class="code" href="structhp__tdm__chunk.html#985fc4301c6bc466ae05e2bc57b0d37c">len</a>=len;
<a name="l00076"></a>00076 tx_chunk-&gt;<a class="code" href="structhp__tdm__chunk.html#499da7fa85efbeef88ef5e2a499e2191">init</a>=1;
<a name="l00077"></a>00077
<a name="l00078"></a>00078 lib_printf(15,NULL,<span class="stringliteral">"chan_push s%ic%i tx chunk in %i \n"</span>,
<a name="l00079"></a>00079 chan-&gt;<a class="code" href="structsangoma__hptdm__chan.html#1604a853c601891fe97c0e1dfef97430">span_no</a>+1,chan-&gt;<a class="code" href="structsangoma__hptdm__chan.html#5e5053195c086b7e5bfa683573484e8c">chan_no</a>+1,chan-&gt;<a class="code" href="structsangoma__hptdm__chan.html#14b1cadb6d30cb61a7fcd163f72a417c">tx_idx_in</a>);
<a name="l00080"></a>00080
<a name="l00081"></a>00081 chan-&gt;<a class="code" href="structsangoma__hptdm__chan.html#14b1cadb6d30cb61a7fcd163f72a417c">tx_idx_in</a>++;
<a name="l00082"></a>00082 <span class="keywordflow">if</span> (chan-&gt;<a class="code" href="structsangoma__hptdm__chan.html#14b1cadb6d30cb61a7fcd163f72a417c">tx_idx_in</a> &gt;= SMG_HP_TDM_CHUNK_IDX_SZ) {
<a name="l00083"></a>00083 chan-&gt;<a class="code" href="structsangoma__hptdm__chan.html#14b1cadb6d30cb61a7fcd163f72a417c">tx_idx_in</a>=0;
<a name="l00084"></a>00084 }
<a name="l00085"></a>00085
<a name="l00086"></a>00086 <span class="keywordflow">return</span> 0;
<a name="l00087"></a>00087 }
<a name="l00088"></a>00088
<a name="l00089"></a>00089 <span class="comment">/*-------------------------------------------------</span>
<a name="l00090"></a>00090 <span class="comment"> Internal Span Methods</span>
<a name="l00091"></a>00091 <span class="comment"> -------------------------------------------------*/</span>
<a name="l00092"></a>00092
<a name="l00093"></a>00093
<a name="l00103"></a>00103 <span class="keyword">static</span> <span class="keywordtype">int</span> sangoma_hp_tdm_open_chan(<a class="code" href="structsangoma__hptdm__span.html">sangoma_hptdm_span_t</a> *span,
<a name="l00104"></a>00104 <a class="code" href="structsangoma__hptdm__chan__reg.html">sangoma_hptdm_chan_reg_t</a> *cfg,
<a name="l00105"></a>00105 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> chan_no,
<a name="l00106"></a>00106 <a class="code" href="structsangoma__hptdm__chan.html">sangoma_hptdm_chan_t</a> **chan_ptr)
<a name="l00107"></a>00107 {
<a name="l00108"></a>00108 <a class="code" href="structsangoma__hptdm__chan.html">sangoma_hptdm_chan_t</a> *chan;
<a name="l00109"></a>00109
<a name="l00110"></a>00110 <span class="keywordflow">if</span> (!span-&gt;<a class="code" href="structsangoma__hptdm__span.html#6cacbe722a1744a26412799552186cb5">init</a>) {
<a name="l00111"></a>00111 <span class="keywordflow">return</span> -1;
<a name="l00112"></a>00112 }
<a name="l00113"></a>00113
<a name="l00114"></a>00114 <span class="keywordflow">if</span> (chan_no &gt;= SMG_HP_TDM_MAX_CHANS) {
<a name="l00115"></a>00115 lib_printf(0,NULL,<span class="stringliteral">"open_chan failed chan_no %i &gt;= max chans %i\n"</span>,
<a name="l00116"></a>00116 chan_no, SMG_HP_TDM_MAX_CHANS);
<a name="l00117"></a>00117 <span class="keywordflow">return</span> -1;
<a name="l00118"></a>00118 }
<a name="l00119"></a>00119
<a name="l00120"></a>00120 <span class="keywordflow">if</span> (!cfg-&gt;<a class="code" href="structsangoma__hptdm__chan__reg.html#1caaaa25e6cafef313bca8ea29c6b612">rx_data</a> || !cfg-&gt;<a class="code" href="structsangoma__hptdm__chan__reg.html#5c1df036c59cdb8dbf90bc5f39dab51e">p</a>) {
<a name="l00121"></a>00121 <span class="keywordflow">return</span> -1;
<a name="l00122"></a>00122 }
<a name="l00123"></a>00123
<a name="l00124"></a>00124 <span class="keywordflow">if</span> (span-&gt;<a class="code" href="structsangoma__hptdm__span.html#63de8342af835a970d8105c2fe5282dc">chan_idx</a>[chan_no].<a class="code" href="structsangoma__hptdm__chan__map.html#895d7b39838f0245ac6829cd72489818">chan_no_hw</a> &lt; 0) {
<a name="l00125"></a>00125 lib_printf(0,NULL,<span class="stringliteral">"open_chan failed chan_no s%ic%i is not mapped to hardware\n"</span>,
<a name="l00126"></a>00126 span-&gt;<a class="code" href="structsangoma__hptdm__span.html#6ddf12c36674099ef529234d9057e5ef">span_no</a>+1,chan_no+1);
<a name="l00127"></a>00127 <span class="keywordflow">return</span> -1;
<a name="l00128"></a>00128 }
<a name="l00129"></a>00129
<a name="l00130"></a>00130 chan = &amp;span-&gt;<a class="code" href="structsangoma__hptdm__span.html#63de8342af835a970d8105c2fe5282dc">chan_idx</a>[chan_no].<a class="code" href="structsangoma__hptdm__chan__map.html#65a3733433aa931afb5002994bb4a4cf">chan</a>;
<a name="l00131"></a>00131 <span class="keywordflow">if</span> (chan-&gt;<a class="code" href="structsangoma__hptdm__chan.html#7a43df2f36462e48e1104704fe38ccc1">init</a>) {
<a name="l00132"></a>00132 <span class="comment">/* Chan Busy */</span>
<a name="l00133"></a>00133 lib_printf(0,NULL,<span class="stringliteral">"open_chan failed chan_no s%ic%i is busy\n"</span>,
<a name="l00134"></a>00134 span-&gt;<a class="code" href="structsangoma__hptdm__span.html#6ddf12c36674099ef529234d9057e5ef">span_no</a>+1,chan_no+1);
<a name="l00135"></a>00135 <span class="keywordflow">return</span> 1;
<a name="l00136"></a>00136 }
<a name="l00137"></a>00137
<a name="l00138"></a>00138 memset(chan,0,<span class="keyword">sizeof</span>(<a class="code" href="structsangoma__hptdm__chan.html">sangoma_hptdm_chan_t</a>));
<a name="l00139"></a>00139
<a name="l00140"></a>00140 chan-&gt;<a class="code" href="structsangoma__hptdm__chan.html#5e5053195c086b7e5bfa683573484e8c">chan_no</a> = chan_no;
<a name="l00141"></a>00141 chan-&gt;<a class="code" href="structsangoma__hptdm__chan.html#bb56d955a8e925149cbd28d4fd2dbb6a">span</a> = span;
<a name="l00142"></a>00142 memcpy(&amp;chan-&gt;<a class="code" href="structsangoma__hptdm__chan.html#0a79dfe92034591ad20bd1656e585776">chan_reg</a>, cfg, <span class="keyword">sizeof</span>(<a class="code" href="structsangoma__hptdm__chan__reg.html">sangoma_hptdm_chan_reg_t</a>));
<a name="l00143"></a>00143
<a name="l00144"></a>00144 chan-&gt;<a class="code" href="structsangoma__hptdm__chan.html#40fbdc65035c69d876d4a1a806e5a5db">push</a> = sangoma_hp_tdm_chan_push;
<a name="l00145"></a>00145
<a name="l00146"></a>00146 chan-&gt;<a class="code" href="structsangoma__hptdm__chan.html#7a43df2f36462e48e1104704fe38ccc1">init</a>=1;
<a name="l00147"></a>00147 lib_printf(15,NULL,<span class="stringliteral">"open_chan chan_no s%ic%i ok\n"</span>,
<a name="l00148"></a>00148 span-&gt;<a class="code" href="structsangoma__hptdm__span.html#6ddf12c36674099ef529234d9057e5ef">span_no</a>+1,chan_no+1);
<a name="l00149"></a>00149
<a name="l00150"></a>00150 *chan_ptr = chan;
<a name="l00151"></a>00151
<a name="l00152"></a>00152 <span class="keywordflow">return</span> 0;
<a name="l00153"></a>00153
<a name="l00154"></a>00154 }
<a name="l00155"></a>00155
<a name="l00156"></a>00156
<a name="l00163"></a>00163 <span class="keyword">static</span> <span class="keywordtype">int</span> sangoma_hp_tdm_close_chan(<a class="code" href="structsangoma__hptdm__chan.html">sangoma_hptdm_chan_t</a> *chan)
<a name="l00164"></a>00164 {
<a name="l00165"></a>00165 chan-&gt;<a class="code" href="structsangoma__hptdm__chan.html#7a43df2f36462e48e1104704fe38ccc1">init</a>=0;
<a name="l00166"></a>00166 chan-&gt;<a class="code" href="structsangoma__hptdm__chan.html#0a79dfe92034591ad20bd1656e585776">chan_reg</a>.<a class="code" href="structsangoma__hptdm__chan__reg.html#5c1df036c59cdb8dbf90bc5f39dab51e">p</a>=NULL;
<a name="l00167"></a>00167 lib_printf(15,NULL,<span class="stringliteral">"close_chan chan_no s%ic%i ok\n"</span>,
<a name="l00168"></a>00168 chan-&gt;<a class="code" href="structsangoma__hptdm__chan.html#1604a853c601891fe97c0e1dfef97430">span_no</a>+1,chan-&gt;<a class="code" href="structsangoma__hptdm__chan.html#5e5053195c086b7e5bfa683573484e8c">chan_no</a>+1);
<a name="l00169"></a>00169 <span class="keywordflow">return</span> 0;
<a name="l00170"></a>00170 }
<a name="l00171"></a>00171
<a name="l00172"></a>00172
<a name="l00178"></a>00178 <span class="keyword">static</span> <span class="keywordtype">int</span> sangoma_hp_tdm_is_chan_closed (<a class="code" href="structsangoma__hptdm__chan.html">sangoma_hptdm_chan_t</a> *chan)
<a name="l00179"></a>00179 {
<a name="l00180"></a>00180 <span class="keywordflow">return</span> (chan-&gt;<a class="code" href="structsangoma__hptdm__chan.html#7a43df2f36462e48e1104704fe38ccc1">init</a> == 0) ? 1:0;
<a name="l00181"></a>00181 }
<a name="l00182"></a>00182
<a name="l00188"></a>00188 <span class="keyword">static</span> <span class="keywordtype">int</span> sangoma_hp_tdm_close_span(<a class="code" href="structsangoma__hptdm__span.html">sangoma_hptdm_span_t</a> *span)
<a name="l00189"></a>00189 {
<a name="l00190"></a>00190 <span class="keywordtype">int</span> i;
<a name="l00191"></a>00191 <a class="code" href="structsangoma__hptdm__chan.html">sangoma_hptdm_chan_t</a> *chan=NULL;
<a name="l00192"></a>00192
<a name="l00193"></a>00193 <span class="keywordflow">for</span> (i=0;i&lt;SMG_HP_TDM_MAX_CHANS;i++) {
<a name="l00194"></a>00194 chan = &amp;span-&gt;<a class="code" href="structsangoma__hptdm__span.html#63de8342af835a970d8105c2fe5282dc">chan_idx</a>[i].<a class="code" href="structsangoma__hptdm__chan__map.html#65a3733433aa931afb5002994bb4a4cf">chan</a>;
<a name="l00195"></a>00195 if (chan-&gt;<a class="code" href="structsangoma__hptdm__chan.html#7a43df2f36462e48e1104704fe38ccc1">init</a>) {
<a name="l00196"></a>00196 chan-&gt;<a class="code" href="structsangoma__hptdm__chan.html#7a43df2f36462e48e1104704fe38ccc1">init</a>=0;
<a name="l00197"></a>00197 }
<a name="l00198"></a>00198 }
<a name="l00199"></a>00199
<a name="l00200"></a>00200 close(span-&gt;<a class="code" href="structsangoma__hptdm__span.html#2beb9a0490cfda191875bbaf58e79453">sock</a>);
<a name="l00201"></a>00201 span-&gt;<a class="code" href="structsangoma__hptdm__span.html#2beb9a0490cfda191875bbaf58e79453">sock</a>=-1;
<a name="l00202"></a>00202
<a name="l00203"></a>00203 <span class="keywordflow">return</span> 0;
<a name="l00204"></a>00204 }
<a name="l00205"></a>00205
<a name="l00211"></a>00211 <span class="keyword">static</span> <span class="keywordtype">int</span> sangoma_hp_tdm_event_ctrl_span(<a class="code" href="structsangoma__hptdm__span.html">sangoma_hptdm_span_t</a> *span, hp_tdmapi_tx_event_t *event)
<a name="l00212"></a>00212 {
<a name="l00213"></a>00213 <span class="keywordtype">int</span> err;
<a name="l00214"></a>00214
<a name="l00215"></a>00215 <span class="keywordflow">if</span> (!span-&gt;<a class="code" href="structsangoma__hptdm__span.html#6cacbe722a1744a26412799552186cb5">init</a> || span-&gt;<a class="code" href="structsangoma__hptdm__span.html#2beb9a0490cfda191875bbaf58e79453">sock</a> &lt; 0) {
<a name="l00216"></a>00216 <span class="keywordflow">return</span> -1;
<a name="l00217"></a>00217 }
<a name="l00218"></a>00218
<a name="l00219"></a>00219 err = ioctl(span-&gt;<a class="code" href="structsangoma__hptdm__span.html#2beb9a0490cfda191875bbaf58e79453">sock</a>,SIOC_WANPIPE_API,event);
<a name="l00220"></a>00220 <span class="keywordflow">if</span> (err &lt; 0){
<a name="l00221"></a>00221 lib_printf(0,NULL,<span class="stringliteral">"Error: SPAN %i Failed to execute event!\n"</span>,
<a name="l00222"></a>00222 span-&gt;<a class="code" href="structsangoma__hptdm__span.html#6ddf12c36674099ef529234d9057e5ef">span_no</a>+1);
<a name="l00223"></a>00223 <span class="keywordflow">return</span> -1;
<a name="l00224"></a>00224 }
<a name="l00225"></a>00225
<a name="l00226"></a>00226 <span class="keywordflow">return</span> 0;
<a name="l00227"></a>00227 }
<a name="l00228"></a>00228
<a name="l00234"></a>00234 <span class="keyword">static</span> <span class="keywordtype">int</span> sangoma_hp_tdm_event_get_cfg(<a class="code" href="structsangoma__hptdm__span.html">sangoma_hptdm_span_t</a> *span, wan_if_cfg_t *if_cfg)
<a name="l00235"></a>00235 {
<a name="l00236"></a>00236 memcpy(if_cfg,&amp;span-&gt;<a class="code" href="structsangoma__hptdm__span.html#000b5bc46e96a6ce6ce0601b262758a4">span_cfg</a>,<span class="keyword">sizeof</span>(if_cfg));
<a name="l00237"></a>00237 <span class="keywordflow">return</span> 0;
<a name="l00238"></a>00238 }
<a name="l00239"></a>00239
<a name="l00245"></a>00245 <span class="keyword">static</span> <span class="keywordtype">int</span> sangoma_hp_tdm_run_span(<a class="code" href="structsangoma__hptdm__span.html">sangoma_hptdm_span_t</a> *span)
<a name="l00246"></a>00246 {
<a name="l00247"></a>00247 <span class="keywordtype">int</span> err=0;
<a name="l00248"></a>00248 fd_set sock_read,sock_write,sock_oob;
<a name="l00249"></a>00249
<a name="l00250"></a>00250 <span class="keywordflow">if</span> (!span-&gt;<a class="code" href="structsangoma__hptdm__span.html#6cacbe722a1744a26412799552186cb5">init</a>) {
<a name="l00251"></a>00251 lib_printf(0, NULL, <span class="stringliteral">"Span %i not initialized %i\n"</span>,span-&gt;<a class="code" href="structsangoma__hptdm__span.html#6ddf12c36674099ef529234d9057e5ef">span_no</a>+1);
<a name="l00252"></a>00252 <span class="keywordflow">return</span> -1;
<a name="l00253"></a>00253 }
<a name="l00254"></a>00254
<a name="l00255"></a>00255 lib_printf(15, NULL, <span class="stringliteral">"Starting RUN SPAN %i Sock=%i\n"</span>,span-&gt;<a class="code" href="structsangoma__hptdm__span.html#6ddf12c36674099ef529234d9057e5ef">span_no</a>+1, span-&gt;<a class="code" href="structsangoma__hptdm__span.html#2beb9a0490cfda191875bbaf58e79453">sock</a>);
<a name="l00256"></a>00256
<a name="l00257"></a>00257 <span class="keywordflow">if</span> (span-&gt;<a class="code" href="structsangoma__hptdm__span.html#2beb9a0490cfda191875bbaf58e79453">sock</a> &lt; 0) {
<a name="l00258"></a>00258 err=sangoma_hptdm_span_open(span);
<a name="l00259"></a>00259 <span class="keywordflow">if</span> (err) {
<a name="l00260"></a>00260 usleep(500000);
<a name="l00261"></a>00261 err=-2;
<a name="l00262"></a>00262 <span class="keywordflow">goto</span> sangoma_hp_tdm_run_span_exit;
<a name="l00263"></a>00263 }
<a name="l00264"></a>00264 }
<a name="l00265"></a>00265
<a name="l00266"></a>00266 <span class="comment">/* Initialize all select() descriptors */</span>
<a name="l00267"></a>00267 FD_ZERO(&amp;sock_read);
<a name="l00268"></a>00268 FD_ZERO(&amp;sock_write);
<a name="l00269"></a>00269 FD_ZERO(&amp;sock_oob);
<a name="l00270"></a>00270
<a name="l00271"></a>00271 FD_SET(span-&gt;<a class="code" href="structsangoma__hptdm__span.html#2beb9a0490cfda191875bbaf58e79453">sock</a>,&amp;sock_oob);
<a name="l00272"></a>00272 FD_SET(span-&gt;<a class="code" href="structsangoma__hptdm__span.html#2beb9a0490cfda191875bbaf58e79453">sock</a>,&amp;sock_read);
<a name="l00273"></a>00273 FD_SET(span-&gt;<a class="code" href="structsangoma__hptdm__span.html#2beb9a0490cfda191875bbaf58e79453">sock</a>,&amp;sock_write);
<a name="l00274"></a>00274
<a name="l00275"></a>00275 err=select(span-&gt;<a class="code" href="structsangoma__hptdm__span.html#2beb9a0490cfda191875bbaf58e79453">sock</a> + 1,&amp;sock_read, NULL, &amp;sock_oob, NULL);
<a name="l00276"></a>00276
<a name="l00277"></a>00277 <span class="keywordflow">if</span> (err &gt; 0) {
<a name="l00278"></a>00278
<a name="l00279"></a>00279 <span class="keywordflow">if</span> (FD_ISSET(span-&gt;<a class="code" href="structsangoma__hptdm__span.html#2beb9a0490cfda191875bbaf58e79453">sock</a>,&amp;sock_oob)){
<a name="l00280"></a>00280 err=sangoma_hp_tdm_handle_oob_event(span);
<a name="l00281"></a>00281 <span class="keywordflow">if</span> (err) {
<a name="l00282"></a>00282 lib_printf(0, NULL, <span class="stringliteral">"RUN SPAN: %i oob err %i\n"</span>,
<a name="l00283"></a>00283 span-&gt;<a class="code" href="structsangoma__hptdm__span.html#6ddf12c36674099ef529234d9057e5ef">span_no</a>+1, err);
<a name="l00284"></a>00284 err=-3;
<a name="l00285"></a>00285 <span class="keywordflow">goto</span> sangoma_hp_tdm_run_span_exit;
<a name="l00286"></a>00286 }
<a name="l00287"></a>00287 }
<a name="l00288"></a>00288 <span class="keywordflow">if</span> (FD_ISSET(span-&gt;<a class="code" href="structsangoma__hptdm__span.html#2beb9a0490cfda191875bbaf58e79453">sock</a>,&amp;sock_read)){
<a name="l00289"></a>00289 err=sangoma_hp_tdm_handle_read_event(span);
<a name="l00290"></a>00290 <span class="keywordflow">if</span> (err) {
<a name="l00291"></a>00291 lib_printf(0, NULL, <span class="stringliteral">"RUN SPAN: %i read err %i\n"</span>,
<a name="l00292"></a>00292 span-&gt;<a class="code" href="structsangoma__hptdm__span.html#6ddf12c36674099ef529234d9057e5ef">span_no</a>+1, err);
<a name="l00293"></a>00293 err=-4;
<a name="l00294"></a>00294 <span class="keywordflow">goto</span> sangoma_hp_tdm_run_span_exit;
<a name="l00295"></a>00295 }
<a name="l00296"></a>00296
<a name="l00297"></a>00297 err=sangoma_hp_tdm_handle_write_event(span);
<a name="l00298"></a>00298 <span class="keywordflow">if</span> (err) {
<a name="l00299"></a>00299 lib_printf(0, NULL, <span class="stringliteral">"RUN SPAN: %i write err %i\n"</span>,
<a name="l00300"></a>00300 span-&gt;<a class="code" href="structsangoma__hptdm__span.html#6ddf12c36674099ef529234d9057e5ef">span_no</a>+1, err);
<a name="l00301"></a>00301 err=-5;
<a name="l00302"></a>00302 <span class="keywordflow">goto</span> sangoma_hp_tdm_run_span_exit;
<a name="l00303"></a>00303 }
<a name="l00304"></a>00304 }
<a name="l00305"></a>00305
<a name="l00306"></a>00306 } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (err==0) {
<a name="l00307"></a>00307 <span class="comment">/* Timeout continue */</span>
<a name="l00308"></a>00308 <span class="keywordflow">return</span> 0;
<a name="l00309"></a>00309
<a name="l00310"></a>00310 } <span class="keywordflow">else</span> {
<a name="l00311"></a>00311 <span class="comment">/* Error */</span>
<a name="l00312"></a>00312 <span class="keywordflow">if</span> (errno == EAGAIN) {
<a name="l00313"></a>00313 <span class="keywordflow">goto</span> sangoma_hp_tdm_run_span_exit;
<a name="l00314"></a>00314 }
<a name="l00315"></a>00315
<a name="l00316"></a>00316 err=-6;
<a name="l00317"></a>00317 }
<a name="l00318"></a>00318
<a name="l00319"></a>00319 sangoma_hp_tdm_run_span_exit:
<a name="l00320"></a>00320
<a name="l00321"></a>00321 <span class="keywordflow">if</span> (err &lt; 0) {
<a name="l00322"></a>00322 <span class="keywordflow">if</span> (span-&gt;<a class="code" href="structsangoma__hptdm__span.html#2beb9a0490cfda191875bbaf58e79453">sock</a>) {
<a name="l00323"></a>00323 close(span-&gt;<a class="code" href="structsangoma__hptdm__span.html#2beb9a0490cfda191875bbaf58e79453">sock</a>);
<a name="l00324"></a>00324 span-&gt;<a class="code" href="structsangoma__hptdm__span.html#2beb9a0490cfda191875bbaf58e79453">sock</a>=-1;
<a name="l00325"></a>00325 }
<a name="l00326"></a>00326 }
<a name="l00327"></a>00327
<a name="l00328"></a>00328 <span class="keywordflow">return</span> err;
<a name="l00329"></a>00329 }
<a name="l00330"></a>00330
<a name="l00331"></a>00331
<a name="l00332"></a>00332
<a name="l00333"></a>00333 <span class="comment">/*---------------------------------------------------------</span>
<a name="l00334"></a>00334 <span class="comment"> PUBLIC STRUCTURES</span>
<a name="l00335"></a>00335 <span class="comment"> ----------------------------------------------------------*/</span>
<a name="l00336"></a>00336
<a name="l00337"></a>00337
<a name="l00338"></a>00338 <span class="comment">/*</span>
<a name="l00339"></a>00339 <span class="comment"> \brief Initialize and Configure Span - private functions not to be used directly!</span>
<a name="l00340"></a>00340 <span class="comment"> \param span_no span number - integer</span>
<a name="l00341"></a>00341 <span class="comment"> \param cfg span registration struct</span>
<a name="l00342"></a>00342 <span class="comment"> \param version library version number added by the macro</span>
<a name="l00343"></a>00343 <span class="comment"> \return NULL: fail, Span Object: pass</span>
<a name="l00344"></a>00344 <span class="comment"> *</span>
<a name="l00345"></a>00345 <span class="comment"> * The __sangoma_hptdm_api_span_init() function must NOT be called directly!</span>
<a name="l00346"></a>00346 <span class="comment"> * One MUST use defined sangoma_hptdm_api_span_init() macro instead</span>
<a name="l00347"></a>00347 <span class="comment"> */</span>
<a name="l00348"></a>00348
<a name="l00349"></a>00349 <a class="code" href="structsangoma__hptdm__span.html">sangoma_hptdm_span_t</a> * __sangoma_hptdm_api_span_init(<span class="keywordtype">int</span> span_no, <a class="code" href="structsangoma__hptdm__span__reg.html">sangoma_hptdm_span_reg_t</a> *cfg, <span class="keywordtype">int</span> version)
<a name="l00350"></a>00350 {
<a name="l00351"></a>00351 <span class="keywordtype">int</span> err,i,ch=0;
<a name="l00352"></a>00352 <a class="code" href="structsangoma__hptdm__span.html">sangoma_hptdm_span_t</a> *span;
<a name="l00353"></a>00353
<a name="l00354"></a>00354 span = malloc(<span class="keyword">sizeof</span>(<a class="code" href="structsangoma__hptdm__span.html">sangoma_hptdm_span_t</a>));
<a name="l00355"></a>00355 <span class="keywordflow">if</span> (!span) {
<a name="l00356"></a>00356 <span class="keywordflow">return</span> NULL;
<a name="l00357"></a>00357 }
<a name="l00358"></a>00358
<a name="l00359"></a>00359 memset(span,0,<span class="keyword">sizeof</span>(<a class="code" href="structsangoma__hptdm__span.html">sangoma_hptdm_span_t</a>));
<a name="l00360"></a>00360
<a name="l00361"></a>00361 span-&gt;<a class="code" href="structsangoma__hptdm__span.html#6ddf12c36674099ef529234d9057e5ef">span_no</a>=span_no;
<a name="l00362"></a>00362 sprintf(span-&gt;<a class="code" href="structsangoma__hptdm__span.html#ea2f0206a546ae74962f84e482f63276">if_name</a>,<span class="stringliteral">"w%ig1"</span>,span_no+1);
<a name="l00363"></a>00363
<a name="l00364"></a>00364 <span class="keywordflow">if</span> (cfg) {
<a name="l00365"></a>00365 memcpy(&amp;span-&gt;<a class="code" href="structsangoma__hptdm__span.html#3fe0c377ed097e61a98b9b278a2ec870">span_reg</a>,cfg,<span class="keyword">sizeof</span>(<a class="code" href="structsangoma__hptdm__span__reg.html">sangoma_hptdm_span_reg_t</a>));
<a name="l00366"></a>00366 <span class="keywordflow">if</span> (!lib_log) {
<a name="l00367"></a>00367 lib_log=cfg-&gt;<a class="code" href="structsangoma__hptdm__span__reg.html#7bf92eb6462caa381461bd9816b6a913">log</a>;
<a name="l00368"></a>00368 }
<a name="l00369"></a>00369 }
<a name="l00370"></a>00370
<a name="l00371"></a>00371 err=sangoma_hptdm_span_open(span);
<a name="l00372"></a>00372 <span class="keywordflow">if</span> (err) {
<a name="l00373"></a>00373 free(span);
<a name="l00374"></a>00374 <span class="keywordflow">return</span> NULL;
<a name="l00375"></a>00375 }
<a name="l00376"></a>00376
<a name="l00377"></a>00377 <span class="keywordflow">if</span> (span-&gt;<a class="code" href="structsangoma__hptdm__span.html#000b5bc46e96a6ce6ce0601b262758a4">span_cfg</a>.media == WAN_MEDIA_E1) {
<a name="l00378"></a>00378 span-&gt;<a class="code" href="structsangoma__hptdm__span.html#000b5bc46e96a6ce6ce0601b262758a4">span_cfg</a>.active_ch = span-&gt;<a class="code" href="structsangoma__hptdm__span.html#000b5bc46e96a6ce6ce0601b262758a4">span_cfg</a>.active_ch &gt;&gt; 1;
<a name="l00379"></a>00379 }
<a name="l00380"></a>00380
<a name="l00381"></a>00381 lib_printf(0,NULL,<span class="stringliteral">"Span %i Configuration\n"</span>,span-&gt;<a class="code" href="structsangoma__hptdm__span.html#6ddf12c36674099ef529234d9057e5ef">span_no</a>+1);
<a name="l00382"></a>00382 lib_printf(0,NULL,<span class="stringliteral">"Used By\t:%i\n"</span>,span-&gt;<a class="code" href="structsangoma__hptdm__span.html#000b5bc46e96a6ce6ce0601b262758a4">span_cfg</a>.usedby);
<a name="l00383"></a>00383 lib_printf(0,NULL,<span class="stringliteral">"Media\t:%i\n"</span>,span-&gt;<a class="code" href="structsangoma__hptdm__span.html#000b5bc46e96a6ce6ce0601b262758a4">span_cfg</a>.media);
<a name="l00384"></a>00384 lib_printf(0,NULL,<span class="stringliteral">"Active Ch\t:0x%08X\n"</span>,span-&gt;<a class="code" href="structsangoma__hptdm__span.html#000b5bc46e96a6ce6ce0601b262758a4">span_cfg</a>.active_ch);
<a name="l00385"></a>00385 lib_printf(0,NULL,<span class="stringliteral">"Chunk Sz\t:%i\n"</span>,span-&gt;<a class="code" href="structsangoma__hptdm__span.html#000b5bc46e96a6ce6ce0601b262758a4">span_cfg</a>.chunk_sz);
<a name="l00386"></a>00386 lib_printf(0,NULL,<span class="stringliteral">"HW Coding\t:%i\n"</span>,span-&gt;<a class="code" href="structsangoma__hptdm__span.html#000b5bc46e96a6ce6ce0601b262758a4">span_cfg</a>.hw_coding);
<a name="l00387"></a>00387 lib_printf(0,NULL,<span class="stringliteral">"If Number\t:%i\n"</span>,span-&gt;<a class="code" href="structsangoma__hptdm__span.html#000b5bc46e96a6ce6ce0601b262758a4">span_cfg</a>.interface_number);
<a name="l00388"></a>00388
<a name="l00389"></a>00389
<a name="l00390"></a>00390 <span class="comment">/* Map all channels to the actually configued on hardware */</span>
<a name="l00391"></a>00391 <span class="keywordflow">for</span> (i=0;i&lt;SMG_HP_TDM_MAX_CHANS;i++) {
<a name="l00392"></a>00392 span-&gt;<a class="code" href="structsangoma__hptdm__span.html#63de8342af835a970d8105c2fe5282dc">chan_idx</a>[i].<a class="code" href="structsangoma__hptdm__chan__map.html#895d7b39838f0245ac6829cd72489818">chan_no_hw</a>=-1;
<a name="l00393"></a>00393 if (span-&gt;<a class="code" href="structsangoma__hptdm__span.html#000b5bc46e96a6ce6ce0601b262758a4">span_cfg</a>.active_ch &amp; (1&lt;&lt;i)) {
<a name="l00394"></a>00394 span-&gt;<a class="code" href="structsangoma__hptdm__span.html#63de8342af835a970d8105c2fe5282dc">chan_idx</a>[i].<a class="code" href="structsangoma__hptdm__chan__map.html#895d7b39838f0245ac6829cd72489818">chan_no_hw</a>=ch;
<a name="l00395"></a>00395 lib_printf(0,NULL,<span class="stringliteral">"Chan %i Mapped to %i"</span>,i,ch);
<a name="l00396"></a>00396 ch++;
<a name="l00397"></a>00397 span-&gt;<a class="code" href="structsangoma__hptdm__span.html#9efd139e4214d62b07060147acfd2849">max_chans</a>++;
<a name="l00398"></a>00398 } <span class="keywordflow">else</span> {
<a name="l00399"></a>00399 lib_printf(0,NULL,<span class="stringliteral">"Chan %i Not Mapped"</span>,i);
<a name="l00400"></a>00400 }
<a name="l00401"></a>00401 }
<a name="l00402"></a>00402
<a name="l00403"></a>00403 lib_printf(0,NULL,<span class="stringliteral">"Total Chans\t:%i\n"</span>,span-&gt;<a class="code" href="structsangoma__hptdm__span.html#9efd139e4214d62b07060147acfd2849">max_chans</a>);
<a name="l00404"></a>00404
<a name="l00405"></a>00405 <span class="comment">/* Must be configurable */</span>
<a name="l00406"></a>00406 span-&gt;<a class="code" href="structsangoma__hptdm__span.html#c8ea25063a09267bbe22084e6cb7a32c">chunk_sz</a>=span-&gt;<a class="code" href="structsangoma__hptdm__span.html#000b5bc46e96a6ce6ce0601b262758a4">span_cfg</a>.chunk_sz;
<a name="l00407"></a>00407 span-&gt;<a class="code" href="structsangoma__hptdm__span.html#c3bad0a028665de4385f792bf0be3c55">tx_size</a>=span-&gt;<a class="code" href="structsangoma__hptdm__span.html#9efd139e4214d62b07060147acfd2849">max_chans</a>*span-&gt;<a class="code" href="structsangoma__hptdm__span.html#c8ea25063a09267bbe22084e6cb7a32c">chunk_sz</a>;
<a name="l00408"></a>00408
<a name="l00409"></a>00409 span-&gt;<a class="code" href="structsangoma__hptdm__span.html#6cacbe722a1744a26412799552186cb5">init</a>=1;
<a name="l00410"></a>00410 span-&gt;<a class="code" href="structsangoma__hptdm__span.html#15230551ba1429679eda4ac11cf7ebf7">idle</a>=0xFF;
<a name="l00411"></a>00411
<a name="l00412"></a>00412 span-&gt;<a class="code" href="structsangoma__hptdm__span.html#01c3eefc1ed1e4482093deba3d167806">open_chan</a> = sangoma_hp_tdm_open_chan;
<a name="l00413"></a>00413 span-&gt;<a class="code" href="structsangoma__hptdm__span.html#04ab1744bee8d7333303e8da52c46b74">close_chan</a> = sangoma_hp_tdm_close_chan;
<a name="l00414"></a>00414 span-&gt;<a class="code" href="structsangoma__hptdm__span.html#3a41fea372d8c4c8318f842134b93b3e">is_chan_closed</a> = sangoma_hp_tdm_is_chan_closed;
<a name="l00415"></a>00415 span-&gt;<a class="code" href="structsangoma__hptdm__span.html#df409d25fbe30c631146616298d715b8">run_span</a> =sangoma_hp_tdm_run_span;
<a name="l00416"></a>00416 span-&gt;<a class="code" href="structsangoma__hptdm__span.html#374c4f8d8a6df82f7a22ee777d3c0cc9">close_span</a> = sangoma_hp_tdm_close_span;
<a name="l00417"></a>00417 span-&gt;<a class="code" href="structsangoma__hptdm__span.html#c40f099ec1797a9188596912cd9bc545">event_ctrl</a> = sangoma_hp_tdm_event_ctrl_span;
<a name="l00418"></a>00418 span-&gt;<a class="code" href="structsangoma__hptdm__span.html#96b3b3ada170989b083646b3f8e4004b">get_cfg</a> = sangoma_hp_tdm_event_get_cfg;
<a name="l00419"></a>00419
<a name="l00420"></a>00420 lib_printf(5, NULL, <span class="stringliteral">"Span %i Initialized\n"</span>,span-&gt;<a class="code" href="structsangoma__hptdm__span.html#6ddf12c36674099ef529234d9057e5ef">span_no</a>+1);
<a name="l00421"></a>00421
<a name="l00422"></a>00422 <span class="keywordflow">return</span> span;
<a name="l00423"></a>00423 }
<a name="l00424"></a>00424
<a name="l00425"></a>00425 <span class="comment">/*</span>
<a name="l00426"></a>00426 <span class="comment"> \brief Free, Un-Initialize Span</span>
<a name="l00427"></a>00427 <span class="comment"> \param span_no span object</span>
<a name="l00428"></a>00428 <span class="comment"> \return 0 = pass, non zero fail</span>
<a name="l00429"></a>00429 <span class="comment"> */</span>
<a name="l00430"></a>00430
<a name="l00431"></a>00431 <span class="keywordtype">int</span> sangoma_hptdm_api_span_free(<a class="code" href="structsangoma__hptdm__span.html">sangoma_hptdm_span_t</a> *span)
<a name="l00432"></a>00432 {
<a name="l00433"></a>00433 <span class="keywordflow">if</span> (span-&gt;<a class="code" href="structsangoma__hptdm__span.html#2beb9a0490cfda191875bbaf58e79453">sock</a> &gt;= 0) {
<a name="l00434"></a>00434 span-&gt;<a class="code" href="structsangoma__hptdm__span.html#374c4f8d8a6df82f7a22ee777d3c0cc9">close_span</a>(span);
<a name="l00435"></a>00435 }
<a name="l00436"></a>00436
<a name="l00437"></a>00437 free(span);
<a name="l00438"></a>00438 span=NULL;
<a name="l00439"></a>00439
<a name="l00440"></a>00440 <span class="keywordflow">return</span> 0;
<a name="l00441"></a>00441 }
<a name="l00442"></a>00442
</pre></div><hr size="1"><address style="align: right;"><small>Generated on Sun Aug 17 23:56:55 2008 for libhpsangoma by&nbsp;
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