1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
|
<!doctype html public "-//W3C//DTD HTML 4.0 Transitional//EN" "http://www.w3.org/TR/REC-html40/loose.dtd">
<HTML>
<HEAD>
<TITLE>nevrax.org : docs</TITLE>
<LINK REL=stylesheet TYPE="text/css" HREF="/inc/css/nevrax.css">
<link href="doxygen.css" rel="stylesheet" type="text/css">
</HEAD>
<BODY MARGINHEIGHT="0" MARGINWIDTH="0">
<!-- uplinks -->
<TABLE CELLSPACING=0 CELLPADDING=0 BORDER=0>
<TR>
<TD WIDTH=16><IMG SRC="/inc/img/pixel.gif" WIDTH="16" HEIGHT="16" BORDER=0 ALT=""></TD>
<TD WIDTH=140 BGCOLOR=#dddddd><IMG SRC="/inc/img/pixel.gif" WIDTH="140" HEIGHT="16" BORDER=0 ALT=""></TD>
<TD WIDTH=16><IMG SRC="/inc/img/pixel.gif" WIDTH="16" HEIGHT="16" BORDER=0 ALT=""></TD>
<TD><IMG width=6 height=14 SRC="/inc/img/reddots.gif" ALT="#" VSPACE=2 HSPACE=2 BORDER=0 ></TD><TD VALIGN=middle> <A CLASS=uplinks HREF='/'><b>Home</B></FONT></A> </TD>
<TD><IMG width=6 height=14 SRC="/inc/img/reddots.gif" ALT="#" VSPACE=2 HSPACE=2 BORDER=0 ></TD><TD VALIGN=middle> <A CLASS=uplinks HREF=><b>nevrax.com</B></FONT></A> </TD>
</TR>
</TABLE>
<!-- banner Nevrax -->
<TABLE CELLSPACING=0 CELLPADDING=0 BORDER=0 WIDTH=100%>
<TR><TD BGCOLOR="#000000" BACKGROUND="/inc/img/black_banner.jpg"><A HREF=""><IMG SRC="/inc/img/nevrax.gif" WIDTH="170" HEIGHT="45" BORDER=0 ALT="Nevrax" ></A></TD></TR>
</TABLE>
<!-- main table -->
<TABLE CELLSPACING=0 CELLPADDING=0 BORDER=0 height=100%>
<TR>
<TD WIDTH=16><IMG SRC="/inc/img/pixel.gif" WIDTH="16" HEIGHT="10" BORDER=0 ALT=""></TD>
<TD WIDTH=140 BGCOLOR=#dddddd VALIGN=TOP ALIGN=middle><IMG SRC="/inc/img/pixel.gif" WIDTH="140" HEIGHT="10" BORDER=0 ALT="">
<!------ Begin Box ------>
<TABLE BORDER=0 CELLSPACING=0 CELLPADDING=0 BGCOLOR=black><TR><TD><TABLE border=0 cellspacing=2 cellpadding=0 width=120><tr><TD ALIGN=middle bgcolor=black>
<FONT COLOR=white FACE="sans-serif"><B>Nevrax.org</B></FONT></TD></TR><tr><td colspan=2 bgcolor=#FFFFFF>
<TABLE cellspacing=0 cellpadding=1 border=0>
<tr><td ALIGN=middle><a class='linkbox' href="/news/" TITLE="Rubrique news"><img width=13 height=15 hspace=5 border=0 src=/inc/img/picto-news.gif ALT=#></A></td><td><a class='linkbox' href="/news/" TITLE="News">News</a></td></tr>
<tr><td ALIGN=middle><a class='linkbox' href="/mail/" TITLE="Rubrique mail"><img width=15 height=11 hspace=5 border=0 src=/inc/img/picto-mail.gif ALT=#></A></td><td><a class='linkbox' href="/mail/" TITLE="Mailing list archive">Mailing-list</a></td></tr>
<tr><td ALIGN=middle><a class='linkbox' href="/docs/" TITLE="Rubrique docs"><img width=14 height=16 hspace=5 border=0 src=/inc/img/picto-docs.gif ALT=#></A></td><td><a class='linkbox' href="/docs/" TITLE="Documentation">Documentation</a></td></tr>
<tr><td ALIGN=middle><a class='linkbox' href="/cvs/" TITLE="Rubrique cvs"><img width=13 height=17 hspace=5 border=0 src=/inc/img/picto-cvs.gif ALT=#></A></td><td><a class='linkbox' href="/cvs/" TITLE="CVS Web">CVS</a></td></tr>
<tr><td ALIGN=middle><a class='linkbox' href="/bugs/" TITLE="Rubrique bugs"><img width=20 height=16 hspace=5 border=0 src=/inc/img/picto-bugs.gif ALT=#></A></td><td><a class='linkbox' href="/bugs/" TITLE="Bugtracking">Bugs</a></td></tr>
<tr><td ALIGN=middle><a class='linkbox' href="/GPL.php3" TITLE="Rubrique license"><img width=18 height=12 hspace=5 border=0 src=/inc/img/picto-gpl.gif ALT=#></A></td><td><a class='linkbox' href="/GPL.php3" TITLE="License">License</a></td></tr>
</TABLE>
</TD></TR></TABLE></TD></TR></TABLE>
<!------ End Box ------>
</TD>
<TD WIDTH=15><IMG SRC="/inc/img/pixel.gif" WIDTH="16" HEIGHT="16" BORDER=0 ALT=""></TD>
<TD ALIGN=left valign=top><IMG SRC="/inc/img/pixel.gif" WIDTH="140" HEIGHT="10" BORDER=0 ALT="">
<!-- title -->
<TABLE background="/inc/img/redline.gif" CELLSPACING=0 CELLPADDING=0 BORDER=0 width=100%><tr><td>
<A HREF="/docs/"><img src="/inc/img/t_docs.gif" ALT="Docs" HEIGHT=20 BORDER=0></A>
</td><td><IMG SRC="/inc/img/pixel.gif" WIDTH="1" HEIGHT="1" BORDER=0 ALT="">
</td></tr></table>
<!-- block -->
<TABLE bgcolor="#dddddd" CELLSPACING=0 CELLPADDING=0 BORDER=0 width=100%><tr><td width=1% valign=middle><img width=6 height=14 hspace=2 vspace=2 src="/inc/img/reddots.gif"></TD>
<TD><B>Documentation</B></TD>
<TD ALIGN=RIGHT> </td>
</tr></table>
<!-- Generated by Doxygen 1.2.14 -->
<center>
<a class="qindex" href="index.html">Main Page</a> <a class="qindex" href="namespaces.html">Namespace List</a> <a class="qindex" href="hierarchy.html">Class Hierarchy</a> <a class="qindex" href="classes.html">Alphabetical List</a> <a class="qindex" href="annotated.html">Compound List</a> <a class="qindex" href="files.html">File List</a> <a class="qindex" href="namespacemembers.html">Namespace Members</a> <a class="qindex" href="functions.html">Compound Members</a> <a class="qindex" href="globals.html">File Members</a> <a class="qindex" href="pages.html">Related Pages</a> <a class="qindexRef" doxygen="_cgi:/cgi-bin/nel-search.cgi" href="/cgi-bin/nel-search.cgi">Search</a> </center>
<hr><h1>buf_fifo.cpp</h1><a href="buf__fifo_8cpp.html">Go to the documentation of this file.</a><div class="fragment"><pre>00001
00007 <font class="comment">/* Copyright, 2001 Nevrax Ltd.</font>
00008 <font class="comment"> *</font>
00009 <font class="comment"> * This file is part of NEVRAX NEL.</font>
00010 <font class="comment"> * NEVRAX NEL is free software; you can redistribute it and/or modify</font>
00011 <font class="comment"> * it under the terms of the GNU General Public License as published by</font>
00012 <font class="comment"> * the Free Software Foundation; either version 2, or (at your option)</font>
00013 <font class="comment"> * any later version.</font>
00014 <font class="comment"></font>
00015 <font class="comment"> * NEVRAX NEL is distributed in the hope that it will be useful, but</font>
00016 <font class="comment"> * WITHOUT ANY WARRANTY; without even the implied warranty of</font>
00017 <font class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</font>
00018 <font class="comment"> * General Public License for more details.</font>
00019 <font class="comment"></font>
00020 <font class="comment"> * You should have received a copy of the GNU General Public License</font>
00021 <font class="comment"> * along with NEVRAX NEL; see the file COPYING. If not, write to the</font>
00022 <font class="comment"> * Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,</font>
00023 <font class="comment"> * MA 02111-1307, USA.</font>
00024 <font class="comment"> */</font>
00025
00026 <font class="preprocessor">#include "<a class="code" href="stdmisc_8h.html">stdmisc.h</a>"</font>
00027
00028 <font class="preprocessor">#include "<a class="code" href="time__nl_8h.html">nel/misc/time_nl.h</a>"</font>
00029
00030 <font class="preprocessor">#include "<a class="code" href="buf__fifo_8h.html">nel/misc/buf_fifo.h</a>"</font>
00031
00032 <font class="keyword">using</font> <font class="keyword">namespace </font>std;
00033
<a name="l00034"></a><a class="code" href="buf__fifo_8cpp.html#a0">00034</a> <font class="preprocessor">#define DEBUG_FIFO 0</font>
00035 <font class="preprocessor"></font>
00036 <font class="keyword">namespace </font>NLMISC {
00037
00038
<a name="l00039"></a><a class="code" href="classNLMISC_1_1CBufFIFO.html#a0">00039</a> CBufFIFO::CBufFIFO() : _Buffer(NULL), _BufferSize(0), _Empty(true), _Head(NULL), _Tail(NULL), _Rewinder(NULL)
00040 {
00041 <font class="comment">// reset statistic</font>
00042 <a class="code" href="classNLMISC_1_1CBufFIFO.html#o6">_BiggestBlock</a> = 0;
00043 <a class="code" href="classNLMISC_1_1CBufFIFO.html#o7">_SmallestBlock</a> = 999999999;
00044 <a class="code" href="classNLMISC_1_1CBufFIFO.html#o8">_BiggestBuffer</a> = 0;
00045 <a class="code" href="classNLMISC_1_1CBufFIFO.html#o9">_SmallestBuffer</a> = 999999999;
00046 <a class="code" href="classNLMISC_1_1CBufFIFO.html#o10">_Pushed</a> = 0;
00047 <a class="code" href="classNLMISC_1_1CBufFIFO.html#o11">_Fronted</a> = 0;
00048 <a class="code" href="classNLMISC_1_1CBufFIFO.html#o12">_Resized</a> = 0;
00049 <a class="code" href="classNLMISC_1_1CBufFIFO.html#o13">_PushedTime</a> = 0;
00050 <a class="code" href="classNLMISC_1_1CBufFIFO.html#o14">_FrontedTime</a> = 0;
00051 <a class="code" href="classNLMISC_1_1CBufFIFO.html#o15">_ResizedTime</a> = 0;
00052 }
00053
<a name="l00054"></a><a class="code" href="classNLMISC_1_1CBufFIFO.html#a1">00054</a> CBufFIFO::~CBufFIFO()
00055 {
00056 <font class="keywordflow">if</font> (<a class="code" href="classNLMISC_1_1CBufFIFO.html#o0">_Buffer</a> != NULL)
00057 {
00058 <font class="keyword">delete</font> <a class="code" href="classNLMISC_1_1CBufFIFO.html#o0">_Buffer</a>;
00059 <font class="preprocessor">#if DEBUG_FIFO</font>
00060 <font class="preprocessor"></font> <a class="code" href="debug_8h.html#a0">nldebug</a>(<font class="stringliteral">"%p delete"</font>, <font class="keyword">this</font>);
00061 <font class="preprocessor">#endif</font>
00062 <font class="preprocessor"></font> }
00063 }
00064
<a name="l00065"></a><a class="code" href="classNLMISC_1_1CBufFIFO.html#a4">00065</a> <font class="keywordtype">void</font> CBufFIFO::push (<font class="keyword">const</font> uint8 *buffer, uint32 size)
00066 {
00067 <font class="comment">// if the buffer is more than 1 meg, there s surely a problem, no?</font>
00068 <font class="comment">// nlassert( buffer.size() < 1000000 ); // size check in debug mode</font>
00069
00070 <a class="code" href="namespaceNLMISC.html#a184">TTicks</a> before = CTime::getPerformanceTime();
00071
00072 <font class="preprocessor">#if DEBUG_FIFO</font>
00073 <font class="preprocessor"></font> <a class="code" href="debug_8h.html#a0">nldebug</a>(<font class="stringliteral">"%p push(%d)"</font>, <font class="keyword">this</font>, <a class="code" href="classNLMISC_1_1CBufFIFO.html#a14">size</a>);
00074 <font class="preprocessor">#endif</font>
00075 <font class="preprocessor"></font>
00076 <a class="code" href="debug_8h.html#a6">nlassert</a>(<a class="code" href="classNLMISC_1_1CBufFIFO.html#a14">size</a> > 0 && <a class="code" href="classNLMISC_1_1CBufFIFO.html#a14">size</a> < pow(2, <font class="keyword">sizeof</font>(<a class="code" href="classNLMISC_1_1CBufFIFO.html#u0">TFifoSize</a>)*8));
00077
00078 <font class="comment">// stat code</font>
00079 <font class="keywordflow">if</font> (<a class="code" href="classNLMISC_1_1CBufFIFO.html#a14">size</a> > <a class="code" href="classNLMISC_1_1CBufFIFO.html#o6">_BiggestBlock</a>) <a class="code" href="classNLMISC_1_1CBufFIFO.html#o6">_BiggestBlock</a> = <a class="code" href="classNLMISC_1_1CBufFIFO.html#a14">size</a>;
00080 <font class="keywordflow">if</font> (<a class="code" href="classNLMISC_1_1CBufFIFO.html#a14">size</a> < <a class="code" href="classNLMISC_1_1CBufFIFO.html#o7">_SmallestBlock</a>) <a class="code" href="classNLMISC_1_1CBufFIFO.html#o7">_SmallestBlock</a> = <a class="code" href="classNLMISC_1_1CBufFIFO.html#a14">size</a>;
00081 <a class="code" href="classNLMISC_1_1CBufFIFO.html#o10">_Pushed</a>++;
00082
00083 <font class="keywordflow">while</font> (!<a class="code" href="classNLMISC_1_1CBufFIFO.html#c0">canFit</a> (<a class="code" href="classNLMISC_1_1CBufFIFO.html#a14">size</a> + <font class="keyword">sizeof</font> (<a class="code" href="classNLMISC_1_1CBufFIFO.html#u0">TFifoSize</a>)))
00084 {
00085 <a class="code" href="classNLMISC_1_1CBufFIFO.html#a11">resize</a>(<a class="code" href="classNLMISC_1_1CBufFIFO.html#o1">_BufferSize</a> * 2);
00086 }
00087
00088 *(<a class="code" href="classNLMISC_1_1CBufFIFO.html#u0">TFifoSize</a> *)<a class="code" href="classNLMISC_1_1CBufFIFO.html#o3">_Head</a> = <a class="code" href="classNLMISC_1_1CBufFIFO.html#a14">size</a>;
00089 <a class="code" href="classNLMISC_1_1CBufFIFO.html#o3">_Head</a> += <font class="keyword">sizeof</font>(TFifoSize);
00090
00091 CFastMem::memcpy(<a class="code" href="classNLMISC_1_1CBufFIFO.html#o3">_Head</a>, buffer, <a class="code" href="classNLMISC_1_1CBufFIFO.html#a14">size</a>);
00092
00093 <a class="code" href="classNLMISC_1_1CBufFIFO.html#o3">_Head</a> += <a class="code" href="classNLMISC_1_1CBufFIFO.html#a14">size</a>;
00094
00095 <a class="code" href="classNLMISC_1_1CBufFIFO.html#o2">_Empty</a> = <font class="keyword">false</font>;
00096
00097 <font class="comment">// stat code</font>
00098 <a class="code" href="namespaceNLMISC.html#a184">TTicks</a> after = CTime::getPerformanceTime();
00099 <a class="code" href="classNLMISC_1_1CBufFIFO.html#o13">_PushedTime</a> += after - before;
00100
00101 <font class="preprocessor">#if DEBUG_FIFO</font>
00102 <font class="preprocessor"></font> <a class="code" href="classNLMISC_1_1CBufFIFO.html#a15">display</a> ();
00103 <font class="preprocessor">#endif</font>
00104 <font class="preprocessor"></font>}
00105
<a name="l00106"></a><a class="code" href="classNLMISC_1_1CBufFIFO.html#a5">00106</a> <font class="keywordtype">void</font> CBufFIFO::push(<font class="keyword">const</font> std::vector<uint8> &buffer1, <font class="keyword">const</font> std::vector<uint8> &buffer2)
00107 {
00108 <a class="code" href="namespaceNLMISC.html#a184">TTicks</a> before = CTime::getPerformanceTime();
00109
00110 <a class="code" href="classNLMISC_1_1CBufFIFO.html#u0">TFifoSize</a> <a class="code" href="classNLMISC_1_1CBufFIFO.html#a14">size</a> = buffer1.size() + buffer2.size ();
00111
00112 <font class="preprocessor">#if DEBUG_FIFO</font>
00113 <font class="preprocessor"></font> <a class="code" href="debug_8h.html#a0">nldebug</a>(<font class="stringliteral">"%p push2(%d)"</font>, <font class="keyword">this</font>, <a class="code" href="classNLMISC_1_1CBufFIFO.html#a14">size</a>);
00114 <font class="preprocessor">#endif</font>
00115 <font class="preprocessor"></font>
00116 <a class="code" href="debug_8h.html#a6">nlassert</a>((buffer1.size() + buffer2.size ()) > 0 && (buffer1.size() + buffer2.size ()) < pow(2, <font class="keyword">sizeof</font>(<a class="code" href="classNLMISC_1_1CBufFIFO.html#u0">TFifoSize</a>)*8));
00117
00118 <font class="comment">// avoid too big fifo</font>
00119 <font class="keywordflow">if</font> (this-><a class="code" href="classNLMISC_1_1CBufFIFO.html#a14">size</a>() > 10000000)
00120 {
00121 <font class="keywordflow">throw</font> Exception (<font class="stringliteral">"CBufFIFO::push(): stack full (more than 10mb)"</font>);
00122 }
00123
00124
00125 <font class="comment">// stat code</font>
00126 <font class="keywordflow">if</font> (<a class="code" href="classNLMISC_1_1CBufFIFO.html#a14">size</a> > <a class="code" href="classNLMISC_1_1CBufFIFO.html#o6">_BiggestBlock</a>) <a class="code" href="classNLMISC_1_1CBufFIFO.html#o6">_BiggestBlock</a> = <a class="code" href="classNLMISC_1_1CBufFIFO.html#a14">size</a>;
00127 <font class="keywordflow">if</font> (<a class="code" href="classNLMISC_1_1CBufFIFO.html#a14">size</a> < <a class="code" href="classNLMISC_1_1CBufFIFO.html#o7">_SmallestBlock</a>) <a class="code" href="classNLMISC_1_1CBufFIFO.html#o7">_SmallestBlock</a> = <a class="code" href="classNLMISC_1_1CBufFIFO.html#a14">size</a>;
00128
00129 <a class="code" href="classNLMISC_1_1CBufFIFO.html#o10">_Pushed</a>++;
00130
00131 <font class="comment">// resize while the buffer is enough big to accept the block</font>
00132 <font class="keywordflow">while</font> (!<a class="code" href="classNLMISC_1_1CBufFIFO.html#c0">canFit</a> (<a class="code" href="classNLMISC_1_1CBufFIFO.html#a14">size</a> + <font class="keyword">sizeof</font> (<a class="code" href="classNLMISC_1_1CBufFIFO.html#u0">TFifoSize</a>)))
00133 {
00134 <a class="code" href="classNLMISC_1_1CBufFIFO.html#a11">resize</a>(<a class="code" href="classNLMISC_1_1CBufFIFO.html#o1">_BufferSize</a> * 2);
00135 }
00136
00137 <font class="comment">// store the size of the block</font>
00138 *(<a class="code" href="classNLMISC_1_1CBufFIFO.html#u0">TFifoSize</a> *)<a class="code" href="classNLMISC_1_1CBufFIFO.html#o3">_Head</a> = <a class="code" href="classNLMISC_1_1CBufFIFO.html#a14">size</a>;
00139 <a class="code" href="classNLMISC_1_1CBufFIFO.html#o3">_Head</a> += <font class="keyword">sizeof</font>(TFifoSize);
00140
00141 <font class="comment">// store the block itself</font>
00142 CFastMem::memcpy(<a class="code" href="classNLMISC_1_1CBufFIFO.html#o3">_Head</a>, &(buffer1[0]), buffer1.size ());
00143 CFastMem::memcpy(<a class="code" href="classNLMISC_1_1CBufFIFO.html#o3">_Head</a> + buffer1.size(), &(buffer2[0]), buffer2.size ());
00144 <a class="code" href="classNLMISC_1_1CBufFIFO.html#o3">_Head</a> += <a class="code" href="classNLMISC_1_1CBufFIFO.html#a14">size</a>;
00145
00146 <a class="code" href="classNLMISC_1_1CBufFIFO.html#o2">_Empty</a> = <font class="keyword">false</font>;
00147
00148 <font class="comment">// stat code</font>
00149 <a class="code" href="namespaceNLMISC.html#a184">TTicks</a> after = CTime::getPerformanceTime();
00150 <a class="code" href="classNLMISC_1_1CBufFIFO.html#o13">_PushedTime</a> += after - before;
00151
00152 <font class="preprocessor">#if DEBUG_FIFO</font>
00153 <font class="preprocessor"></font> <a class="code" href="classNLMISC_1_1CBufFIFO.html#a15">display</a> ();
00154 <font class="preprocessor">#endif</font>
00155 <font class="preprocessor"></font>}
00156
<a name="l00157"></a><a class="code" href="classNLMISC_1_1CBufFIFO.html#a10">00157</a> <font class="keywordtype">void</font> CBufFIFO::pop ()
00158 {
00159 <font class="keywordflow">if</font> (<a class="code" href="classNLMISC_1_1CBufFIFO.html#a12">empty</a> ())
00160 {
00161 <a class="code" href="debug_8h.html#a2">nlwarning</a>(<font class="stringliteral">"Try to pop an empty fifo!"</font>);
00162 <font class="keywordflow">return</font>;
00163 }
00164
00165 <font class="keywordflow">if</font> (<a class="code" href="classNLMISC_1_1CBufFIFO.html#o5">_Rewinder</a> != NULL && <a class="code" href="classNLMISC_1_1CBufFIFO.html#o4">_Tail</a> == <a class="code" href="classNLMISC_1_1CBufFIFO.html#o5">_Rewinder</a>)
00166 {
00167 <font class="preprocessor">#if DEBUG_FIFO</font>
00168 <font class="preprocessor"></font> <a class="code" href="debug_8h.html#a0">nldebug</a>(<font class="stringliteral">"%p pop rewind!"</font>, <font class="keyword">this</font>);
00169 <font class="preprocessor">#endif</font>
00170 <font class="preprocessor"></font>
00171 <font class="comment">// need to rewind</font>
00172 <a class="code" href="classNLMISC_1_1CBufFIFO.html#o4">_Tail</a> = <a class="code" href="classNLMISC_1_1CBufFIFO.html#o0">_Buffer</a>;
00173 <a class="code" href="classNLMISC_1_1CBufFIFO.html#o5">_Rewinder</a> = NULL;
00174 }
00175
00176 <a class="code" href="classNLMISC_1_1CBufFIFO.html#u0">TFifoSize</a> <a class="code" href="classNLMISC_1_1CBufFIFO.html#a14">size</a> = *(<a class="code" href="classNLMISC_1_1CBufFIFO.html#u0">TFifoSize</a> *)<a class="code" href="classNLMISC_1_1CBufFIFO.html#o4">_Tail</a>;
00177
00178 <font class="preprocessor">#if DEBUG_FIFO</font>
00179 <font class="preprocessor"></font> <a class="code" href="debug_8h.html#a0">nldebug</a>(<font class="stringliteral">"%p pop(%d)"</font>, <font class="keyword">this</font>, <a class="code" href="classNLMISC_1_1CBufFIFO.html#a14">size</a>);
00180 <font class="preprocessor">#endif</font>
00181 <font class="preprocessor"></font>
00182 <font class="preprocessor">#ifdef NL_DEBUG</font>
00183 <font class="preprocessor"></font> <font class="comment">// clear the message to be sure user doesn't use it anymore</font>
00184 memset (<a class="code" href="classNLMISC_1_1CBufFIFO.html#o4">_Tail</a>, <font class="charliteral">'-'</font>, <a class="code" href="classNLMISC_1_1CBufFIFO.html#a14">size</a> + <font class="keyword">sizeof</font> (<a class="code" href="classNLMISC_1_1CBufFIFO.html#u0">TFifoSize</a>));
00185 <font class="preprocessor">#endif</font>
00186 <font class="preprocessor"></font>
00187 <a class="code" href="classNLMISC_1_1CBufFIFO.html#o4">_Tail</a> += <a class="code" href="classNLMISC_1_1CBufFIFO.html#a14">size</a> + <font class="keyword">sizeof</font> (TFifoSize);
00188
00189 <font class="keywordflow">if</font> (<a class="code" href="classNLMISC_1_1CBufFIFO.html#o4">_Tail</a> == <a class="code" href="classNLMISC_1_1CBufFIFO.html#o3">_Head</a>) <a class="code" href="classNLMISC_1_1CBufFIFO.html#o2">_Empty</a> = <font class="keyword">true</font>;
00190
00191 <font class="preprocessor">#if DEBUG_FIFO</font>
00192 <font class="preprocessor"></font> <a class="code" href="classNLMISC_1_1CBufFIFO.html#a15">display</a> ();
00193 <font class="preprocessor">#endif</font>
00194 <font class="preprocessor"></font>}
00195
<a name="l00196"></a><a class="code" href="classNLMISC_1_1CBufFIFO.html#a9">00196</a> uint8 CBufFIFO::frontLast ()
00197 {
00198 uint8 *tail = <a class="code" href="classNLMISC_1_1CBufFIFO.html#o4">_Tail</a>;
00199
00200 <font class="keywordflow">if</font> (<a class="code" href="classNLMISC_1_1CBufFIFO.html#a12">empty</a> ())
00201 {
00202 <a class="code" href="debug_8h.html#a2">nlwarning</a>(<font class="stringliteral">"Try to get the front of an empty fifo!"</font>);
00203 <font class="keywordflow">return</font> 0;
00204 }
00205
00206 <font class="keywordflow">if</font> (<a class="code" href="classNLMISC_1_1CBufFIFO.html#o5">_Rewinder</a> != NULL && tail == <a class="code" href="classNLMISC_1_1CBufFIFO.html#o5">_Rewinder</a>)
00207 {
00208 <font class="preprocessor">#if DEBUG_FIFO</font>
00209 <font class="preprocessor"></font> <a class="code" href="debug_8h.html#a0">nldebug</a>(<font class="stringliteral">"%p front rewind!"</font>, <font class="keyword">this</font>);
00210 <font class="preprocessor">#endif</font>
00211 <font class="preprocessor"></font>
00212 <font class="comment">// need to rewind</font>
00213 tail = <a class="code" href="classNLMISC_1_1CBufFIFO.html#o0">_Buffer</a>;
00214 }
00215
00216 <a class="code" href="classNLMISC_1_1CBufFIFO.html#u0">TFifoSize</a> <a class="code" href="classNLMISC_1_1CBufFIFO.html#a14">size</a> = *(<a class="code" href="classNLMISC_1_1CBufFIFO.html#u0">TFifoSize</a> *)tail;
00217
00218 <font class="preprocessor">#if DEBUG_FIFO</font>
00219 <font class="preprocessor"></font> <a class="code" href="debug_8h.html#a0">nldebug</a>(<font class="stringliteral">"%p frontLast() returns %d "</font>, <font class="keyword">this</font>, <a class="code" href="classNLMISC_1_1CBufFIFO.html#a14">size</a>, *(tail+<font class="keyword">sizeof</font>(<a class="code" href="classNLMISC_1_1CBufFIFO.html#u0">TFifoSize</a>)+<a class="code" href="classNLMISC_1_1CBufFIFO.html#a14">size</a>-1));
00220 <font class="preprocessor">#endif</font>
00221 <font class="preprocessor"></font>
00222 <font class="keywordflow">return</font> *(tail+<font class="keyword">sizeof</font>(TFifoSize)+<a class="code" href="classNLMISC_1_1CBufFIFO.html#a14">size</a>-1);
00223 }
00224
00225
<a name="l00226"></a><a class="code" href="classNLMISC_1_1CBufFIFO.html#a6">00226</a> <font class="keywordtype">void</font> CBufFIFO::front (vector<uint8> &buffer)
00227 {
00228 uint8 *tmpbuffer;
00229 uint32 <a class="code" href="classNLMISC_1_1CBufFIFO.html#a14">size</a>;
00230
00231 buffer.clear ();
00232
00233 <a class="code" href="classNLMISC_1_1CBufFIFO.html#a6">front</a> (tmpbuffer, <a class="code" href="classNLMISC_1_1CBufFIFO.html#a14">size</a>);
00234
00235 buffer.resize (<a class="code" href="classNLMISC_1_1CBufFIFO.html#a14">size</a>);
00236
00237 CFastMem::memcpy (&(buffer[0]), tmpbuffer, <a class="code" href="classNLMISC_1_1CBufFIFO.html#a14">size</a>);
00238
00239 <font class="comment">/* TTicks before = CTime::getPerformanceTime ();</font>
00240 <font class="comment"></font>
00241 <font class="comment"> uint8 *tail = _Tail;</font>
00242 <font class="comment"> </font>
00243 <font class="comment"> buffer.clear ();</font>
00244 <font class="comment"></font>
00245 <font class="comment"> if (empty ())</font>
00246 <font class="comment"> {</font>
00247 <font class="comment"> nlwarning("Try to get the front of an empty fifo!");</font>
00248 <font class="comment"> return;</font>
00249 <font class="comment"> }</font>
00250 <font class="comment"></font>
00251 <font class="comment"> _Fronted++;</font>
00252 <font class="comment"> </font>
00253 <font class="comment"> if (_Rewinder != NULL && tail == _Rewinder)</font>
00254 <font class="comment"> {</font>
00255 <font class="comment">#if DEBUG_FIFO</font>
00256 <font class="comment"> nldebug("%p front rewind!", this);</font>
00257 <font class="comment">#endif</font>
00258 <font class="comment"></font>
00259 <font class="comment"> // need to rewind</font>
00260 <font class="comment"> tail = _Buffer;</font>
00261 <font class="comment"> }</font>
00262 <font class="comment"></font>
00263 <font class="comment"> TFifoSize size = *(TFifoSize *)tail;</font>
00264 <font class="comment"></font>
00265 <font class="comment">#if DEBUG_FIFO</font>
00266 <font class="comment"> nldebug("%p front(%d)", this, size);</font>
00267 <font class="comment">#endif</font>
00268 <font class="comment"></font>
00269 <font class="comment"> tail += sizeof (TFifoSize);</font>
00270 <font class="comment"></font>
00271 <font class="comment"> buffer.resize (size);</font>
00272 <font class="comment"></font>
00273 <font class="comment"> CFastMem::memcpy (&(buffer[0]), tail, size);</font>
00274 <font class="comment"></font>
00275 <font class="comment"> // stat code</font>
00276 <font class="comment"> TTicks after = CTime::getPerformanceTime ();</font>
00277 <font class="comment"> _FrontedTime += after - before;</font>
00278 <font class="comment"></font>
00279 <font class="comment">#if DEBUG_FIFO</font>
00280 <font class="comment"> display ();</font>
00281 <font class="comment">#endif</font>
00282 <font class="comment">*/</font>}
00283
00284
<a name="l00285"></a><a class="code" href="classNLMISC_1_1CBufFIFO.html#a7">00285</a> <font class="keywordtype">void</font> CBufFIFO::front (<a class="code" href="classNLMISC_1_1CMemStream.html">NLMISC::CMemStream</a> &buffer)
00286 {
00287 uint8 *tmpbuffer;
00288 uint32 <a class="code" href="classNLMISC_1_1CBufFIFO.html#a14">size</a>;
00289
00290 buffer.<a class="code" href="classNLMISC_1_1CMemStream.html#a9">clear</a> ();
00291
00292 <a class="code" href="classNLMISC_1_1CBufFIFO.html#a6">front</a> (tmpbuffer, <a class="code" href="classNLMISC_1_1CBufFIFO.html#a14">size</a>);
00293
00294 buffer.<a class="code" href="classNLMISC_1_1CMemStream.html#a13">fill</a> (tmpbuffer, <a class="code" href="classNLMISC_1_1CBufFIFO.html#a14">size</a>);
00295
00296 <font class="comment">/*</font>
00297 <font class="comment"> TTicks before = CTime::getPerformanceTime ();</font>
00298 <font class="comment"></font>
00299 <font class="comment"> uint8 *tail = _Tail;</font>
00300 <font class="comment"> </font>
00301 <font class="comment"> buffer.clear ();</font>
00302 <font class="comment"></font>
00303 <font class="comment"> if (empty ())</font>
00304 <font class="comment"> {</font>
00305 <font class="comment"> nlwarning("Try to get the front of an empty fifo!");</font>
00306 <font class="comment"> return;</font>
00307 <font class="comment"> }</font>
00308 <font class="comment"></font>
00309 <font class="comment"> _Fronted++;</font>
00310 <font class="comment"> </font>
00311 <font class="comment"> if (_Rewinder != NULL && tail == _Rewinder)</font>
00312 <font class="comment"> {</font>
00313 <font class="comment">#if DEBUG_FIFO</font>
00314 <font class="comment"> nldebug("%p front rewind!", this);</font>
00315 <font class="comment">#endif</font>
00316 <font class="comment"></font>
00317 <font class="comment"> // need to rewind</font>
00318 <font class="comment"> tail = _Buffer;</font>
00319 <font class="comment"> }</font>
00320 <font class="comment"></font>
00321 <font class="comment"> TFifoSize size = *(TFifoSize *)tail;</font>
00322 <font class="comment"></font>
00323 <font class="comment">#if DEBUG_FIFO</font>
00324 <font class="comment"> nldebug("%p front(%d)", this, size);</font>
00325 <font class="comment">#endif</font>
00326 <font class="comment"></font>
00327 <font class="comment"> tail += sizeof (TFifoSize);</font>
00328 <font class="comment"></font>
00329 <font class="comment"> //buffer.resize (size);</font>
00330 <font class="comment"> //CFastMem::memcpy (&(buffer[0]), tail, size);</font>
00331 <font class="comment"></font>
00332 <font class="comment"> buffer.fill (tail, size);</font>
00333 <font class="comment"></font>
00334 <font class="comment"> // stat code</font>
00335 <font class="comment"> TTicks after = CTime::getPerformanceTime ();</font>
00336 <font class="comment"> _FrontedTime += after - before;</font>
00337 <font class="comment"></font>
00338 <font class="comment">#if DEBUG_FIFO</font>
00339 <font class="comment"> display ();</font>
00340 <font class="comment">#endif*/</font>
00341 }
00342
<a name="l00343"></a><a class="code" href="classNLMISC_1_1CBufFIFO.html#a8">00343</a> <font class="keywordtype">void</font> CBufFIFO::front (uint8 *&buffer, uint32 &size)
00344 {
00345 <a class="code" href="namespaceNLMISC.html#a184">TTicks</a> before = CTime::getPerformanceTime ();
00346
00347 uint8 *tail = <a class="code" href="classNLMISC_1_1CBufFIFO.html#o4">_Tail</a>;
00348
00349 <font class="keywordflow">if</font> (<a class="code" href="classNLMISC_1_1CBufFIFO.html#a12">empty</a> ())
00350 {
00351 <a class="code" href="debug_8h.html#a2">nlwarning</a>(<font class="stringliteral">"Try to get the front of an empty fifo!"</font>);
00352 <font class="keywordflow">return</font>;
00353 }
00354
00355 <a class="code" href="classNLMISC_1_1CBufFIFO.html#o11">_Fronted</a>++;
00356
00357 <font class="keywordflow">if</font> (<a class="code" href="classNLMISC_1_1CBufFIFO.html#o5">_Rewinder</a> != NULL && tail == <a class="code" href="classNLMISC_1_1CBufFIFO.html#o5">_Rewinder</a>)
00358 {
00359 <font class="preprocessor">#if DEBUG_FIFO</font>
00360 <font class="preprocessor"></font> <a class="code" href="debug_8h.html#a0">nldebug</a>(<font class="stringliteral">"%p front rewind!"</font>, <font class="keyword">this</font>);
00361 <font class="preprocessor">#endif</font>
00362 <font class="preprocessor"></font>
00363 <font class="comment">// need to rewind</font>
00364 tail = <a class="code" href="classNLMISC_1_1CBufFIFO.html#o0">_Buffer</a>;
00365 }
00366
00367 <a class="code" href="classNLMISC_1_1CBufFIFO.html#a14">size</a> = *(<a class="code" href="classNLMISC_1_1CBufFIFO.html#u0">TFifoSize</a> *)tail;
00368
00369 <font class="preprocessor">#if DEBUG_FIFO</font>
00370 <font class="preprocessor"></font> <a class="code" href="debug_8h.html#a0">nldebug</a>(<font class="stringliteral">"%p front(%d)"</font>, <font class="keyword">this</font>, <a class="code" href="classNLMISC_1_1CBufFIFO.html#a14">size</a>);
00371 <font class="preprocessor">#endif</font>
00372 <font class="preprocessor"></font>
00373 tail += <font class="keyword">sizeof</font> (TFifoSize);
00374
00375 <font class="comment">// stat code</font>
00376 <a class="code" href="namespaceNLMISC.html#a184">TTicks</a> after = CTime::getPerformanceTime ();
00377 <a class="code" href="classNLMISC_1_1CBufFIFO.html#o14">_FrontedTime</a> += after - before;
00378
00379 <font class="preprocessor">#if DEBUG_FIFO</font>
00380 <font class="preprocessor"></font> <a class="code" href="classNLMISC_1_1CBufFIFO.html#a15">display</a> ();
00381 <font class="preprocessor">#endif</font>
00382 <font class="preprocessor"></font>
00383 buffer = tail;
00384 }
00385
00386
00387
<a name="l00388"></a><a class="code" href="classNLMISC_1_1CBufFIFO.html#a13">00388</a> <font class="keywordtype">void</font> CBufFIFO::clear ()
00389 {
00390 <a class="code" href="classNLMISC_1_1CBufFIFO.html#o4">_Tail</a> = <a class="code" href="classNLMISC_1_1CBufFIFO.html#o3">_Head</a> = <a class="code" href="classNLMISC_1_1CBufFIFO.html#o0">_Buffer</a>;
00391 <a class="code" href="classNLMISC_1_1CBufFIFO.html#o5">_Rewinder</a> = NULL;
00392 <a class="code" href="classNLMISC_1_1CBufFIFO.html#o2">_Empty</a> = <font class="keyword">true</font>;
00393 }
00394
<a name="l00395"></a><a class="code" href="classNLMISC_1_1CBufFIFO.html#a14">00395</a> uint32 <a class="code" href="cf__lexical_8cpp.html#a94">CBufFIFO::size</a> ()
00396 {
00397 <font class="keywordflow">if</font> (<a class="code" href="classNLMISC_1_1CBufFIFO.html#a12">empty</a> ())
00398 {
00399 <font class="keywordflow">return</font> 0;
00400 }
00401 <font class="keywordflow">else</font> <font class="keywordflow">if</font> (<a class="code" href="classNLMISC_1_1CBufFIFO.html#o3">_Head</a> == <a class="code" href="classNLMISC_1_1CBufFIFO.html#o4">_Tail</a>)
00402 {
00403 <font class="comment">// buffer is full</font>
00404 <font class="keywordflow">if</font> (<a class="code" href="classNLMISC_1_1CBufFIFO.html#o5">_Rewinder</a> == NULL)
00405 <font class="keywordflow">return</font> <a class="code" href="classNLMISC_1_1CBufFIFO.html#o1">_BufferSize</a>;
00406 <font class="keywordflow">else</font>
00407 <font class="keywordflow">return</font> <a class="code" href="classNLMISC_1_1CBufFIFO.html#o5">_Rewinder</a> - <a class="code" href="classNLMISC_1_1CBufFIFO.html#o0">_Buffer</a>;
00408 }
00409 <font class="keywordflow">else</font> <font class="keywordflow">if</font> (<a class="code" href="classNLMISC_1_1CBufFIFO.html#o3">_Head</a> > <a class="code" href="classNLMISC_1_1CBufFIFO.html#o4">_Tail</a>)
00410 {
00411 <font class="keywordflow">return</font> <a class="code" href="classNLMISC_1_1CBufFIFO.html#o3">_Head</a> - <a class="code" href="classNLMISC_1_1CBufFIFO.html#o4">_Tail</a>;
00412 }
00413 <font class="keywordflow">else</font> <font class="keywordflow">if</font> (<a class="code" href="classNLMISC_1_1CBufFIFO.html#o3">_Head</a> < <a class="code" href="classNLMISC_1_1CBufFIFO.html#o4">_Tail</a>)
00414 {
00415 <a class="code" href="debug_8h.html#a6">nlassert</a> (<a class="code" href="classNLMISC_1_1CBufFIFO.html#o5">_Rewinder</a> != NULL);
00416 <font class="keywordflow">return</font> (<a class="code" href="classNLMISC_1_1CBufFIFO.html#o5">_Rewinder</a> - <a class="code" href="classNLMISC_1_1CBufFIFO.html#o4">_Tail</a>) + (<a class="code" href="classNLMISC_1_1CBufFIFO.html#o3">_Head</a> - <a class="code" href="classNLMISC_1_1CBufFIFO.html#o0">_Buffer</a>);
00417 }
00418 <a class="code" href="debug_8h.html#a12">nlstop</a>;
00419 <font class="keywordflow">return</font> 0;
00420 }
00421
<a name="l00422"></a><a class="code" href="classNLMISC_1_1CBufFIFO.html#a11">00422</a> <font class="keywordtype">void</font> CBufFIFO::resize (uint32 size)
00423 {
00424 <a class="code" href="namespaceNLMISC.html#a184">TTicks</a> before = CTime::getPerformanceTime();
00425
00426 <font class="keywordflow">if</font> (<a class="code" href="classNLMISC_1_1CBufFIFO.html#a14">size</a> == 0) <a class="code" href="classNLMISC_1_1CBufFIFO.html#a14">size</a> = 100;
00427
00428 <font class="preprocessor">#if DEBUG_FIFO</font>
00429 <font class="preprocessor"></font> <a class="code" href="debug_8h.html#a0">nldebug</a>(<font class="stringliteral">"%p resize(%d)"</font>, <font class="keyword">this</font>, <a class="code" href="classNLMISC_1_1CBufFIFO.html#a14">size</a>);
00430 <font class="preprocessor">#endif</font>
00431 <font class="preprocessor"></font>
00432 <font class="keywordflow">if</font> (<a class="code" href="classNLMISC_1_1CBufFIFO.html#a14">size</a> > <a class="code" href="classNLMISC_1_1CBufFIFO.html#o8">_BiggestBuffer</a>) <a class="code" href="classNLMISC_1_1CBufFIFO.html#o8">_BiggestBuffer</a> = <a class="code" href="classNLMISC_1_1CBufFIFO.html#a14">size</a>;
00433 <font class="keywordflow">if</font> (<a class="code" href="classNLMISC_1_1CBufFIFO.html#a14">size</a> < <a class="code" href="classNLMISC_1_1CBufFIFO.html#o9">_SmallestBuffer</a>) <a class="code" href="classNLMISC_1_1CBufFIFO.html#o9">_SmallestBuffer</a> = <a class="code" href="classNLMISC_1_1CBufFIFO.html#a14">size</a>;
00434
00435 <a class="code" href="classNLMISC_1_1CBufFIFO.html#o12">_Resized</a>++;
00436
00437 uint32 UsedSize = <a class="code" href="cf__lexical_8cpp.html#a94">CBufFIFO::size</a>();
00438
00439 <font class="comment">// creer un nouveau tableau et copie l ancien dans le nouveau.</font>
00440 <font class="keywordflow">if</font> (size < _BufferSize && UsedSize > <a class="code" href="classNLMISC_1_1CBufFIFO.html#a14">size</a>)
00441 {
00442 <font class="comment">// probleme, on a pas assez de place pour caser les datas => on fait pas</font>
00443 <a class="code" href="debug_8h.html#a2">nlwarning</a>(<font class="stringliteral">"Can't resize the FIFO because there's not enough room in the new wanted buffer (%d bytes needed at least)"</font>, UsedSize);
00444 <font class="keywordflow">return</font>;
00445 }
00446
00447 uint8 *NewBuffer = <font class="keyword">new</font> uint8[<a class="code" href="classNLMISC_1_1CBufFIFO.html#a14">size</a>];
00448 <font class="keywordflow">if</font> (NewBuffer == NULL)
00449 {
00450 <a class="code" href="debug_8h.html#a3">nlerror</a>(<font class="stringliteral">"Not enough memory to resize the FIFO to %u bytes"</font>, <a class="code" href="classNLMISC_1_1CBufFIFO.html#a14">size</a>);
00451 }
00452 <font class="preprocessor">#ifdef NL_DEBUG</font>
00453 <font class="preprocessor"></font> <font class="comment">// clear the message to be sure user doesn't use it anymore</font>
00454 memset (NewBuffer, <font class="charliteral">'-'</font>, <a class="code" href="classNLMISC_1_1CBufFIFO.html#a14">size</a>);
00455 <font class="preprocessor">#endif</font>
00456 <font class="preprocessor"></font>
00457 <font class="preprocessor">#if DEBUG_FIFO</font>
00458 <font class="preprocessor"></font> <a class="code" href="debug_8h.html#a0">nldebug</a>(<font class="stringliteral">"%p new %d bytes"</font>, <font class="keyword">this</font>, <a class="code" href="classNLMISC_1_1CBufFIFO.html#a14">size</a>);
00459 <font class="preprocessor">#endif</font>
00460 <font class="preprocessor"></font>
00461 <font class="comment">// copy the old buffer to the new one</font>
00462 <font class="comment">// if _Tail == _Head => empty fifo, don't copy anything</font>
00463 <font class="keywordflow">if</font> (!<a class="code" href="classNLMISC_1_1CBufFIFO.html#a12">empty</a>())
00464 {
00465 <font class="keywordflow">if</font> (<a class="code" href="classNLMISC_1_1CBufFIFO.html#o4">_Tail</a> < <a class="code" href="classNLMISC_1_1CBufFIFO.html#o3">_Head</a>)
00466 {
00467 CFastMem::memcpy (NewBuffer, <a class="code" href="classNLMISC_1_1CBufFIFO.html#o4">_Tail</a>, UsedSize);
00468 }
00469 <font class="keywordflow">else</font> <font class="keywordflow">if</font> (<a class="code" href="classNLMISC_1_1CBufFIFO.html#o4">_Tail</a> >= <a class="code" href="classNLMISC_1_1CBufFIFO.html#o3">_Head</a>)
00470 {
00471 <a class="code" href="debug_8h.html#a6">nlassert</a> (<a class="code" href="classNLMISC_1_1CBufFIFO.html#o5">_Rewinder</a> != NULL);
00472
00473 uint size1 = <a class="code" href="classNLMISC_1_1CBufFIFO.html#o5">_Rewinder</a> - <a class="code" href="classNLMISC_1_1CBufFIFO.html#o4">_Tail</a>;
00474 CFastMem::memcpy (NewBuffer, <a class="code" href="classNLMISC_1_1CBufFIFO.html#o4">_Tail</a>, size1);
00475 uint size2 = <a class="code" href="classNLMISC_1_1CBufFIFO.html#o3">_Head</a> - <a class="code" href="classNLMISC_1_1CBufFIFO.html#o0">_Buffer</a>;
00476 CFastMem::memcpy (NewBuffer + size1, <a class="code" href="classNLMISC_1_1CBufFIFO.html#o0">_Buffer</a>, size2);
00477
00478 <a class="code" href="debug_8h.html#a6">nlassert</a> (size1+size2==UsedSize);
00479 }
00480 }
00481
00482 <font class="comment">// resync the circular pointer</font>
00483 <font class="comment">// Warning: don't invert these 2 lines position or it ll not work</font>
00484 <a class="code" href="classNLMISC_1_1CBufFIFO.html#o4">_Tail</a> = NewBuffer;
00485 <a class="code" href="classNLMISC_1_1CBufFIFO.html#o3">_Head</a> = NewBuffer + UsedSize;
00486 <a class="code" href="classNLMISC_1_1CBufFIFO.html#o5">_Rewinder</a> = NULL;
00487
00488 <font class="comment">// delete old buffer if needed</font>
00489 <font class="keywordflow">if</font> (<a class="code" href="classNLMISC_1_1CBufFIFO.html#o0">_Buffer</a> != NULL)
00490 {
00491 <font class="keyword">delete</font> <a class="code" href="classNLMISC_1_1CBufFIFO.html#o0">_Buffer</a>;
00492 <font class="preprocessor">#if DEBUG_FIFO</font>
00493 <font class="preprocessor"></font> <a class="code" href="debug_8h.html#a0">nldebug</a> (<font class="stringliteral">"delete"</font>, <font class="keyword">this</font>);
00494 <font class="preprocessor">#endif</font>
00495 <font class="preprocessor"></font> }
00496
00497 <font class="comment">// affect new buffer</font>
00498 <a class="code" href="classNLMISC_1_1CBufFIFO.html#o0">_Buffer</a> = NewBuffer;
00499 <a class="code" href="classNLMISC_1_1CBufFIFO.html#o1">_BufferSize</a> = <a class="code" href="classNLMISC_1_1CBufFIFO.html#a14">size</a>;
00500
00501 <a class="code" href="namespaceNLMISC.html#a184">TTicks</a> after = CTime::getPerformanceTime();
00502
00503 <a class="code" href="classNLMISC_1_1CBufFIFO.html#o15">_ResizedTime</a> += after - before;
00504
00505 <font class="preprocessor">#if DEBUG_FIFO</font>
00506 <font class="preprocessor"></font> <a class="code" href="classNLMISC_1_1CBufFIFO.html#a15">display</a> ();
00507 <font class="preprocessor">#endif</font>
00508 <font class="preprocessor"></font>}
00509
<a name="l00510"></a><a class="code" href="classNLMISC_1_1CBufFIFO.html#a16">00510</a> <font class="keywordtype">void</font> CBufFIFO::displayStats ()
00511 {
00512 <a class="code" href="debug_8h.html#a1">nlinfo</a> (<font class="stringliteral">"%p _BiggestBlock: %d"</font>, <font class="keyword">this</font>, <a class="code" href="classNLMISC_1_1CBufFIFO.html#o6">_BiggestBlock</a>);
00513 <a class="code" href="debug_8h.html#a1">nlinfo</a> (<font class="stringliteral">"%p _SmallestBlock: %d"</font>, <font class="keyword">this</font>, <a class="code" href="classNLMISC_1_1CBufFIFO.html#o7">_SmallestBlock</a>);
00514 <a class="code" href="debug_8h.html#a1">nlinfo</a> (<font class="stringliteral">"%p _BiggestBuffer: %d"</font>, <font class="keyword">this</font>, <a class="code" href="classNLMISC_1_1CBufFIFO.html#o8">_BiggestBuffer</a>);
00515 <a class="code" href="debug_8h.html#a1">nlinfo</a> (<font class="stringliteral">"%p _SmallestBuffer: %d"</font>, <font class="keyword">this</font>, <a class="code" href="classNLMISC_1_1CBufFIFO.html#o9">_SmallestBuffer</a>);
00516 <a class="code" href="debug_8h.html#a1">nlinfo</a> (<font class="stringliteral">"%p _Pushed : %d"</font>, <font class="keyword">this</font>, <a class="code" href="classNLMISC_1_1CBufFIFO.html#o10">_Pushed</a>);
00517 <a class="code" href="debug_8h.html#a1">nlinfo</a> (<font class="stringliteral">"%p _Fronted: %d"</font>, <font class="keyword">this</font>, <a class="code" href="classNLMISC_1_1CBufFIFO.html#o11">_Fronted</a>);
00518 <a class="code" href="debug_8h.html#a1">nlinfo</a> (<font class="stringliteral">"%p _Resized: %d"</font>, <font class="keyword">this</font>, <a class="code" href="classNLMISC_1_1CBufFIFO.html#o12">_Resized</a>);
00519 <a class="code" href="debug_8h.html#a1">nlinfo</a> (<font class="stringliteral">"%p _PushedTime: %"</font>NL_I64<font class="stringliteral">"d %f"</font>, <font class="keyword">this</font>, <a class="code" href="classNLMISC_1_1CBufFIFO.html#o13">_PushedTime</a>, (<font class="keywordtype">double</font>)(sint64)<a class="code" href="classNLMISC_1_1CBufFIFO.html#o13">_PushedTime</a> / (<font class="keywordtype">double</font>)<a class="code" href="classNLMISC_1_1CBufFIFO.html#o10">_Pushed</a>);
00520 <a class="code" href="debug_8h.html#a1">nlinfo</a> (<font class="stringliteral">"%p _FrontedTime: %"</font>NL_I64<font class="stringliteral">"d %f"</font>, <font class="keyword">this</font>, <a class="code" href="classNLMISC_1_1CBufFIFO.html#o14">_FrontedTime</a>, (<font class="keywordtype">double</font>)(sint64)<a class="code" href="classNLMISC_1_1CBufFIFO.html#o14">_FrontedTime</a> / (<font class="keywordtype">double</font>)<a class="code" href="classNLMISC_1_1CBufFIFO.html#o11">_Fronted</a>);
00521 <a class="code" href="debug_8h.html#a1">nlinfo</a> (<font class="stringliteral">"%p _ResizedTime: %"</font>NL_I64<font class="stringliteral">"d %f"</font>, <font class="keyword">this</font>, <a class="code" href="classNLMISC_1_1CBufFIFO.html#o15">_ResizedTime</a>, (<font class="keywordtype">double</font>)(sint64)<a class="code" href="classNLMISC_1_1CBufFIFO.html#o15">_ResizedTime</a> / (<font class="keywordtype">double</font>)<a class="code" href="classNLMISC_1_1CBufFIFO.html#o12">_Resized</a>);
00522 }
00523
<a name="l00524"></a><a class="code" href="classNLMISC_1_1CBufFIFO.html#a15">00524</a> <font class="keywordtype">void</font> CBufFIFO::display ()
00525 {
00526 <font class="keywordtype">int</font> <a class="code" href="classNLMISC_1_1CBufFIFO.html#a14">size</a> = 64;
00527 <font class="keywordtype">int</font> gran = <a class="code" href="classNLMISC_1_1CBufFIFO.html#a14">size</a>/30;
00528
00529 <font class="keywordtype">char</font> str[1024];
00530
00531 <a class="code" href="namespaceNLMISC.html#a211">smprintf</a>(str, 1024, <font class="stringliteral">"%p %p (%5d %5d) %p %p %p "</font>, <font class="keyword">this</font>, <a class="code" href="classNLMISC_1_1CBufFIFO.html#o0">_Buffer</a>, <a class="code" href="classNLMISC_1_1CBufFIFO.html#o1">_BufferSize</a>, CBufFIFO::size(), <a class="code" href="classNLMISC_1_1CBufFIFO.html#o5">_Rewinder</a>, <a class="code" href="classNLMISC_1_1CBufFIFO.html#o4">_Tail</a>, <a class="code" href="classNLMISC_1_1CBufFIFO.html#o3">_Head</a>);
00532
00533 <font class="keywordtype">int</font> i;
00534 <font class="keywordflow">for</font> (i = 0; i < (sint32) <a class="code" href="classNLMISC_1_1CBufFIFO.html#o1">_BufferSize</a>; i+= gran)
00535 {
00536 uint8 *pos = <a class="code" href="classNLMISC_1_1CBufFIFO.html#o0">_Buffer</a> + i;
00537 <font class="keywordflow">if</font> (<a class="code" href="classNLMISC_1_1CBufFIFO.html#o4">_Tail</a> >= pos && <a class="code" href="classNLMISC_1_1CBufFIFO.html#o4">_Tail</a> < pos + gran)
00538 {
00539 <font class="keywordflow">if</font> (<a class="code" href="classNLMISC_1_1CBufFIFO.html#o3">_Head</a> >= pos && <a class="code" href="classNLMISC_1_1CBufFIFO.html#o3">_Head</a> < pos + gran)
00540 {
00541 <font class="keywordflow">if</font> (<a class="code" href="classNLMISC_1_1CBufFIFO.html#o5">_Rewinder</a> != NULL && <a class="code" href="classNLMISC_1_1CBufFIFO.html#o5">_Rewinder</a> >= pos && <a class="code" href="classNLMISC_1_1CBufFIFO.html#o5">_Rewinder</a> < pos + gran)
00542 {
00543 strncat (str, <font class="stringliteral">"*"</font>, 1024);
00544 }
00545 <font class="keywordflow">else</font>
00546 {
00547 strncat (str, <font class="stringliteral">"@"</font>, 1024);
00548 }
00549 }
00550 <font class="keywordflow">else</font>
00551 {
00552 strncat (str, <font class="stringliteral">"T"</font>, 1024);
00553 }
00554 }
00555 <font class="keywordflow">else</font> <font class="keywordflow">if</font> (<a class="code" href="classNLMISC_1_1CBufFIFO.html#o3">_Head</a> >= pos && <a class="code" href="classNLMISC_1_1CBufFIFO.html#o3">_Head</a> < pos + gran)
00556 {
00557 strncat (str, <font class="stringliteral">"H"</font>, 1024);
00558 }
00559 <font class="keywordflow">else</font> <font class="keywordflow">if</font> (<a class="code" href="classNLMISC_1_1CBufFIFO.html#o5">_Rewinder</a> != NULL && <a class="code" href="classNLMISC_1_1CBufFIFO.html#o5">_Rewinder</a> >= pos && <a class="code" href="classNLMISC_1_1CBufFIFO.html#o5">_Rewinder</a> < pos + gran)
00560 {
00561 strncat (str, <font class="stringliteral">"R"</font>, 1024);
00562 }
00563 <font class="keywordflow">else</font>
00564 {
00565 <font class="keywordflow">if</font> (strlen(str) < 1023)
00566 {
00567 uint32 p = strlen(str);
00568 <font class="keywordflow">if</font> (isprint(*pos))
00569 str[p] = *pos;
00570 <font class="keywordflow">else</font>
00571 str[p] = <font class="charliteral">'$'</font>;
00572
00573 str[p+1] = <font class="charliteral">'\0'</font>;
00574 }
00575 }
00576 }
00577
00578 <font class="keywordflow">for</font> (; i < <a class="code" href="classNLMISC_1_1CBufFIFO.html#a14">size</a>; i+= gran)
00579 {
00580 strncat (str, <font class="stringliteral">" "</font>, 1024);
00581 }
00582 <font class="preprocessor">#ifdef NL_DEBUG</font>
00583 <font class="preprocessor"></font> strncat (str, <font class="stringliteral">"\n"</font>, 1024);
00584 <font class="preprocessor">#else</font>
00585 <font class="preprocessor"></font> strncat (str, <font class="stringliteral">"\r"</font>, 1024);
00586 <font class="preprocessor">#endif</font>
00587 <font class="preprocessor"></font> <a class="code" href="namespaceNLMISC.html#a11">DebugLog</a>->display (str);
00588 }
00589
<a name="l00590"></a><a class="code" href="classNLMISC_1_1CBufFIFO.html#c0">00590</a> <font class="keywordtype">bool</font> CBufFIFO::canFit (uint32 size)
00591 {
00592 <font class="keywordflow">if</font> (<a class="code" href="classNLMISC_1_1CBufFIFO.html#o4">_Tail</a> == <a class="code" href="classNLMISC_1_1CBufFIFO.html#o3">_Head</a>)
00593 {
00594 <font class="keywordflow">if</font> (<a class="code" href="classNLMISC_1_1CBufFIFO.html#a12">empty</a>())
00595 {
00596 <font class="comment">// is the buffer large enough?</font>
00597 <font class="keywordflow">if</font> (<a class="code" href="classNLMISC_1_1CBufFIFO.html#o1">_BufferSize</a> >= <a class="code" href="classNLMISC_1_1CBufFIFO.html#a14">size</a>)
00598 {
00599 <font class="comment">// reset the pointer</font>
00600 <font class="preprocessor">#if DEBUG_FIFO</font>
00601 <font class="preprocessor"></font> <a class="code" href="debug_8h.html#a0">nldebug</a>(<font class="stringliteral">"%p reset tail and head"</font>, <font class="keyword">this</font>);
00602 <font class="preprocessor">#endif</font>
00603 <font class="preprocessor"></font> <a class="code" href="classNLMISC_1_1CBufFIFO.html#o3">_Head</a> = <a class="code" href="classNLMISC_1_1CBufFIFO.html#o4">_Tail</a> = <a class="code" href="classNLMISC_1_1CBufFIFO.html#o0">_Buffer</a>;
00604 <font class="keywordflow">return</font> <font class="keyword">true</font>;
00605 }
00606 <font class="keywordflow">else</font>
00607 {
00608 <font class="comment">// buffer not big enough</font>
00609 <font class="preprocessor">#if DEBUG_FIFO</font>
00610 <font class="preprocessor"></font> <a class="code" href="debug_8h.html#a0">nldebug</a>(<font class="stringliteral">"%p buffer full buffersize<size"</font>, <font class="keyword">this</font>);
00611 <font class="preprocessor">#endif</font>
00612 <font class="preprocessor"></font> <font class="keywordflow">return</font> <font class="keyword">false</font>;
00613 }
00614 }
00615 <font class="keywordflow">else</font>
00616 {
00617 <font class="comment">// buffer full</font>
00618 <font class="preprocessor">#if DEBUG_FIFO</font>
00619 <font class="preprocessor"></font> <a class="code" href="debug_8h.html#a0">nldebug</a>(<font class="stringliteral">"%p buffer full h=t"</font>, <font class="keyword">this</font>);
00620 <font class="preprocessor">#endif</font>
00621 <font class="preprocessor"></font> <font class="keywordflow">return</font> <font class="keyword">false</font>;
00622 }
00623 }
00624 <font class="keywordflow">else</font> <font class="keywordflow">if</font> (<a class="code" href="classNLMISC_1_1CBufFIFO.html#o4">_Tail</a> < <a class="code" href="classNLMISC_1_1CBufFIFO.html#o3">_Head</a>)
00625 {
00626 <font class="keywordflow">if</font> (<a class="code" href="classNLMISC_1_1CBufFIFO.html#o0">_Buffer</a> + <a class="code" href="classNLMISC_1_1CBufFIFO.html#o1">_BufferSize</a> - <a class="code" href="classNLMISC_1_1CBufFIFO.html#o3">_Head</a> >= (sint32) <a class="code" href="classNLMISC_1_1CBufFIFO.html#a14">size</a>)
00627 {
00628 <font class="comment">// can fit after _Head</font>
00629 <font class="preprocessor">#if DEBUG_FIFO</font>
00630 <font class="preprocessor"></font> <a class="code" href="debug_8h.html#a0">nldebug</a>(<font class="stringliteral">"%p fit after"</font>, <font class="keyword">this</font>);
00631 <font class="preprocessor">#endif</font>
00632 <font class="preprocessor"></font> <font class="keywordflow">return</font> <font class="keyword">true</font>;
00633 }
00634 <font class="keywordflow">else</font> <font class="keywordflow">if</font> (<a class="code" href="classNLMISC_1_1CBufFIFO.html#o4">_Tail</a> - <a class="code" href="classNLMISC_1_1CBufFIFO.html#o0">_Buffer</a> >= (sint32) <a class="code" href="classNLMISC_1_1CBufFIFO.html#a14">size</a>)
00635 {
00636 <font class="comment">// can fit at the beginning</font>
00637 <font class="preprocessor">#if DEBUG_FIFO</font>
00638 <font class="preprocessor"></font> <a class="code" href="debug_8h.html#a0">nldebug</a>(<font class="stringliteral">"%p fit at beginning"</font>, <font class="keyword">this</font>);
00639 <font class="preprocessor">#endif</font>
00640 <font class="preprocessor"></font> <a class="code" href="classNLMISC_1_1CBufFIFO.html#o5">_Rewinder</a> = <a class="code" href="classNLMISC_1_1CBufFIFO.html#o3">_Head</a>;
00641 <font class="preprocessor">#if DEBUG_FIFO</font>
00642 <font class="preprocessor"></font> <a class="code" href="debug_8h.html#a0">nldebug</a>(<font class="stringliteral">"%p set the rewinder"</font>, <font class="keyword">this</font>);
00643 <font class="preprocessor">#endif</font>
00644 <font class="preprocessor"></font> <a class="code" href="classNLMISC_1_1CBufFIFO.html#o3">_Head</a> = <a class="code" href="classNLMISC_1_1CBufFIFO.html#o0">_Buffer</a>;
00645 <font class="keywordflow">return</font> <font class="keyword">true</font>;
00646 }
00647 <font class="keywordflow">else</font>
00648 {
00649 <font class="comment">// can't fit</font>
00650 <font class="preprocessor">#if DEBUG_FIFO</font>
00651 <font class="preprocessor"></font> <a class="code" href="debug_8h.html#a0">nldebug</a>(<font class="stringliteral">"%p no room t<h"</font>, <font class="keyword">this</font>);
00652 <font class="preprocessor">#endif</font>
00653 <font class="preprocessor"></font> <font class="keywordflow">return</font> <font class="keyword">false</font>;
00654 }
00655 }
00656 <font class="keywordflow">else</font> <font class="comment">// the last case is : if (_Tail > _Head)</font>
00657 {
00658 <font class="keywordflow">if</font> (<a class="code" href="classNLMISC_1_1CBufFIFO.html#o4">_Tail</a> - <a class="code" href="classNLMISC_1_1CBufFIFO.html#o3">_Head</a> >= (sint32) <a class="code" href="classNLMISC_1_1CBufFIFO.html#a14">size</a>)
00659 {
00660 <font class="preprocessor">#if DEBUG_FIFO</font>
00661 <font class="preprocessor"></font> <a class="code" href="debug_8h.html#a0">nldebug</a>(<font class="stringliteral">"%p fit t>h"</font>, <font class="keyword">this</font>);
00662 <font class="preprocessor">#endif</font>
00663 <font class="preprocessor"></font> <font class="keywordflow">return</font> <font class="keyword">true</font>;
00664 }
00665 <font class="keywordflow">else</font>
00666 {
00667 <font class="preprocessor">#if DEBUG_FIFO</font>
00668 <font class="preprocessor"></font> <a class="code" href="debug_8h.html#a0">nldebug</a>(<font class="stringliteral">"%p no room t>h"</font>, <font class="keyword">this</font>);
00669 <font class="preprocessor">#endif</font>
00670 <font class="preprocessor"></font> <font class="keywordflow">return</font> <font class="keyword">false</font>;
00671 }
00672 }
00673 <a class="code" href="debug_8h.html#a12">nlstop</a>;
00674 }
00675
00676
00677 } <font class="comment">// NLMISC</font>
</pre></div>
<!-- footer -->
<BR><FONT Size=+5> </FONT>
</TD>
<TD WIDTH=15><IMG SRC=/inc/img/pixel.gif WIDTH=15 HEIGHT=15 BORDER=0 ALT=""></TD>
</TR>
</TABLE>
</BODY>
</HTML>
|
