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
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
|
<!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="http://www.nevrax.org/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="http://www.nevrax.org/inc/img/pixel.gif" WIDTH="16" HEIGHT="16" BORDER=0 ALT=""></TD>
<TD WIDTH=140 BGCOLOR=#dddddd><IMG SRC="http://www.nevrax.org/inc/img/pixel.gif" WIDTH="140" HEIGHT="16" BORDER=0 ALT=""></TD>
<TD WIDTH=16><IMG SRC="http://www.nevrax.org/inc/img/pixel.gif" WIDTH="16" HEIGHT="16" BORDER=0 ALT=""></TD>
<TD><IMG width=6 height=14 SRC="http://www.nevrax.org/inc/img/reddots.gif" ALT="#" VSPACE=2 HSPACE=2 BORDER=0 ></TD><TD VALIGN=middle> <A CLASS=uplinks HREF=http://www.nevrax.org><b>Home</B></FONT></A> </TD>
<TD><IMG width=6 height=14 SRC="http://www.nevrax.org/inc/img/reddots.gif" ALT="#" VSPACE=2 HSPACE=2 BORDER=0 ></TD><TD VALIGN=middle> <A CLASS=uplinks HREF=http://www.nevrax.com><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="http://www.nevrax.org/inc/img/black_banner.jpg"><A HREF="http://www.nevrax.org"><IMG SRC="http://www.nevrax.org/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="http://www.nevrax.org/inc/img/pixel.gif" WIDTH="16" HEIGHT="10" BORDER=0 ALT=""></TD>
<TD WIDTH=140 BGCOLOR=#dddddd VALIGN=TOP ALIGN=middle><IMG SRC="http://www.nevrax.org/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="http://www.nevrax.org/news/" TITLE="Rubrique news"><img width=13 height=15 hspace=5 border=0 src=http://www.nevrax.org/inc/img/picto-news.gif ALT=#></A></td><td><a class='linkbox' href="http://www.nevrax.org/news/" TITLE="News">News</a></td></tr>
<tr><td ALIGN=middle><a class='linkbox' href="http://www.nevrax.org/mail/" TITLE="Rubrique mail"><img width=15 height=11 hspace=5 border=0 src=http://www.nevrax.org/inc/img/picto-mail.gif ALT=#></A></td><td><a class='linkbox' href="http://www.nevrax.org/mail/" TITLE="Mailing list archive">Mailing-list</a></td></tr>
<tr><td ALIGN=middle><a class='linkbox' href="http://www.nevrax.org/docs/" TITLE="Rubrique docs"><img width=14 height=16 hspace=5 border=0 src=http://www.nevrax.org/inc/img/picto-docs.gif ALT=#></A></td><td><a class='linkbox' href="http://www.nevrax.org/docs/" TITLE="Documentation">Documentation</a></td></tr>
<tr><td ALIGN=middle><a class='linkbox' href="http://www.nevrax.org/cvs/" TITLE="Rubrique cvs"><img width=13 height=17 hspace=5 border=0 src=http://www.nevrax.org/inc/img/picto-cvs.gif ALT=#></A></td><td><a class='linkbox' href="http://www.nevrax.org/cvs/" TITLE="CVS Web">CVS</a></td></tr>
<tr><td ALIGN=middle><a class='linkbox' href="http://www.nevrax.org/bugs/" TITLE="Rubrique bugs"><img width=20 height=16 hspace=5 border=0 src=http://www.nevrax.org/inc/img/picto-bugs.gif ALT=#></A></td><td><a class='linkbox' href="http://www.nevrax.org/bugs/" TITLE="Bugtracking">Bugs</a></td></tr>
<tr><td ALIGN=middle><a class='linkbox' href="http://www.nevrax.org/GPL.php3" TITLE="Rubrique license"><img width=18 height=12 hspace=5 border=0 src=http://www.nevrax.org/inc/img/picto-gpl.gif ALT=#></A></td><td><a class='linkbox' href="http://www.nevrax.org/GPL.php3" TITLE="License">License</a></td></tr>
</TABLE>
</TD></TR></TABLE></TD></TR></TABLE>
<!------ End Box ------>
</TD>
<TD WIDTH=15><IMG SRC="http://www.nevrax.org/inc/img/pixel.gif" WIDTH="16" HEIGHT="16" BORDER=0 ALT=""></TD>
<TD ALIGN=left valign=top><IMG SRC="http://www.nevrax.org/inc/img/pixel.gif" WIDTH="140" HEIGHT="10" BORDER=0 ALT="">
<!-- title -->
<TABLE background="http://www.nevrax.org/inc/img/redline.gif" CELLSPACING=0 CELLPADDING=0 BORDER=0 width=100%><tr><td>
<A HREF="http://www.nevrax.org/docs/"><img src="http://www.nevrax.org/inc/img/t_docs.gif" ALT="Docs" HEIGHT=20 BORDER=0></A>
</td><td><IMG SRC="http://www.nevrax.org/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="http://www.nevrax.org/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:http://www.nevrax.org/cgi-bin/nel-search.cgi" href="http://www.nevrax.org/cgi-bin/nel-search.cgi">Search</a> </center>
<hr><h1>buf_server.cpp</h1><a href="buf__server_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="stdnet_8h.html">stdnet.h</a>"</font>
00027
00028 <font class="preprocessor">#include "<a class="code" href="hierarchical__timer_8h.html">nel/misc/hierarchical_timer.h</a>"</font>
00029
00030 <font class="preprocessor">#include "<a class="code" href="buf__server_8h.html">nel/net/buf_server.h</a>"</font>
00031
00032 <font class="preprocessor">#ifdef NL_OS_WINDOWS</font>
00033 <font class="preprocessor"></font><font class="preprocessor">#include <winsock2.h></font>
00034 <font class="comment">//typedef sint socklen_t;</font>
00035
00036 <font class="preprocessor">#elif defined NL_OS_UNIX</font>
00037 <font class="preprocessor"></font><font class="preprocessor">#include <<a class="code" href="unistd_8h.html">unistd.h</a>></font>
00038 <font class="preprocessor">#include <sys/types.h></font>
00039 <font class="preprocessor">#include <sys/time.h></font>
00040 <font class="preprocessor">#endif</font>
00041 <font class="preprocessor"></font>
00042
00043 <font class="keyword">using</font> <font class="keyword">namespace </font>NLMISC;
00044 <font class="keyword">using</font> <font class="keyword">namespace </font>std;
00045
00046 <font class="keyword">namespace </font>NLNET {
00047
00048
00049 <font class="comment">/***************************************************************************************************</font>
00050 <font class="comment"> * User main thread (initialization)</font>
00051 <font class="comment"> **************************************************************************************************/</font>
00052
00053
00054 <font class="comment">/*</font>
00055 <font class="comment"> * Constructor</font>
00056 <font class="comment"> */</font>
<a name="l00057"></a><a class="code" href="classNLNET_1_1CBufServer.html#a0">00057</a> CBufServer::CBufServer( TThreadStategy strategy,
00058 uint16 max_threads, uint16 max_sockets_per_thread, <font class="keywordtype">bool</font> nodelay, <font class="keywordtype">bool</font> replaymode ) :
00059 CBufNetBase(),
00060 _NoDelay( nodelay ),
00061 _ThreadStrategy( strategy ),
00062 _MaxThreads( max_threads ),
00063 _MaxSocketsPerThread( max_sockets_per_thread ),
00064 _ListenTask( NULL ),
00065 _ListenThread( NULL ),
00066 _ThreadPool("CBufServer::_ThreadPool"),
00067 _ConnectionCallback( NULL ),
00068 _ConnectionCbArg( NULL ),
00069 _BytesPushedOut( 0 ),
00070 _BytesPoppedIn( 0 ),
00071 _PrevBytesPoppedIn( 0 ),
00072 _PrevBytesPushedOut( 0 ),
00073 _NbConnections (0),
00074 _ReplayMode( replaymode )
00075 {
00076 <a class="code" href="buf__sock_8h.html#a0">nlnettrace</a>( <font class="stringliteral">"CBufServer::CBufServer"</font> );
00077 <font class="keywordflow">if</font> ( ! <a class="code" href="classNLNET_1_1CBufServer.html#o14">_ReplayMode</a> )
00078 {
00079 <a class="code" href="classNLNET_1_1CBufServer.html#o4">_ListenTask</a> = <font class="keyword">new</font> <a class="code" href="classNLNET_1_1CBufServer.html#l1">CListenTask</a>( <font class="keyword">this</font> );
00080 <a class="code" href="classNLNET_1_1CBufServer.html#o5">_ListenThread</a> = IThread::create( <a class="code" href="classNLNET_1_1CBufServer.html#o4">_ListenTask</a> );
00081 }
00082 <font class="comment">/*{</font>
00083 <font class="comment"> CSynchronized<uint32>::CAccessor syncbpi ( &_BytesPushedIn );</font>
00084 <font class="comment"> syncbpi.value() = 0;</font>
00085 <font class="comment"> }*/</font>
00086 }
00087
00088
00089 <font class="comment">/*</font>
00090 <font class="comment"> * Listens on the specified port</font>
00091 <font class="comment"> */</font>
<a name="l00092"></a><a class="code" href="classNLNET_1_1CBufServer.html#a2">00092</a> <font class="keywordtype">void</font> CBufServer::init( uint16 port )
00093 {
00094 <a class="code" href="buf__sock_8h.html#a0">nlnettrace</a>( <font class="stringliteral">"CBufServer::init"</font> );
00095 <font class="keywordflow">if</font> ( ! <a class="code" href="classNLNET_1_1CBufServer.html#o14">_ReplayMode</a> )
00096 {
00097 <a class="code" href="classNLNET_1_1CBufServer.html#o4">_ListenTask</a>->init( port );
00098 <a class="code" href="classNLNET_1_1CBufServer.html#o5">_ListenThread</a>-><a class="code" href="classNLMISC_1_1IThread.html#a1">start</a>();
00099 }
00100 <font class="keywordflow">else</font>
00101 {
00102 <a class="code" href="debug_8h.html#a0">nldebug</a>( <font class="stringliteral">"LNETL0: Binding listen socket to any address, port %hu"</font>, port );
00103 }
00104 }
00105
00106
00107 <font class="comment">/*</font>
00108 <font class="comment"> * Begins to listen on the specified port (call before running thread)</font>
00109 <font class="comment"> */</font>
<a name="l00110"></a><a class="code" href="classNLNET_1_1CListenTask.html#a1">00110</a> <font class="keywordtype">void</font> CListenTask::init( uint16 port )
00111 {
00112 <a class="code" href="buf__sock_8h.html#a0">nlnettrace</a>( <font class="stringliteral">"CListenTask::init"</font> );
00113 <a class="code" href="classNLNET_1_1CListenTask.html#o1">_ListenSock</a>.init( port );
00114 }
00115
00116
00117 <font class="comment">/***************************************************************************************************</font>
00118 <font class="comment"> * User main thread (running)</font>
00119 <font class="comment"> **************************************************************************************************/</font>
00120
00121
00122 <font class="comment">/*</font>
00123 <font class="comment"> * Constructor</font>
00124 <font class="comment"> */</font>
<a name="l00125"></a><a class="code" href="classNLNET_1_1CServerTask.html#b0">00125</a> CServerTask::CServerTask() : _ExitRequired(false)
00126 {
00127 <font class="preprocessor">#ifdef NL_OS_UNIX</font>
00128 <font class="preprocessor"></font> pipe( _WakeUpPipeHandle );
00129 <font class="preprocessor">#endif</font>
00130 <font class="preprocessor"></font>}
00131
00132
00133
00134 <font class="preprocessor">#ifdef NL_OS_UNIX</font>
00135 <font class="preprocessor"></font><font class="comment">/*</font>
00136 <font class="comment"> * Wake the thread up, when blocked in select (Unix only)</font>
00137 <font class="comment"> */</font>
00138 <font class="keywordtype">void</font> CServerTask::wakeUp()
00139 {
00140 uint8 b;
00141 <font class="keywordflow">if</font> ( write( _WakeUpPipeHandle[PipeWrite], &b, 1 ) == -1 )
00142 {
00143 <a class="code" href="debug_8h.html#a0">nldebug</a>( <font class="stringliteral">"LNETL1: In CServerTask::wakeUp(): write() failed"</font> );
00144 }
00145 }
00146 <font class="preprocessor">#endif</font>
00147 <font class="preprocessor"></font>
00148
00149 <font class="comment">/*</font>
00150 <font class="comment"> * Destructor</font>
00151 <font class="comment"> */</font>
<a name="l00152"></a><a class="code" href="classNLNET_1_1CServerTask.html#a0">00152</a> CServerTask::~CServerTask()
00153 {
00154 <font class="preprocessor">#ifdef NL_OS_UNIX</font>
00155 <font class="preprocessor"></font> close( _WakeUpPipeHandle[PipeRead] );
00156 close( _WakeUpPipeHandle[PipeWrite] );
00157 <font class="preprocessor">#endif</font>
00158 <font class="preprocessor"></font>}
00159
00160
00161 <font class="comment">/*</font>
00162 <font class="comment"> * Destructor</font>
00163 <font class="comment"> */</font>
<a name="l00164"></a><a class="code" href="classNLNET_1_1CBufServer.html#a1">00164</a> CBufServer::~CBufServer()
00165 {
00166 <a class="code" href="buf__sock_8h.html#a0">nlnettrace</a>( <font class="stringliteral">"CBufServer::~CBufServer"</font> );
00167
00168 <font class="comment">// Clean listen thread exit</font>
00169 <font class="keywordflow">if</font> ( ! <a class="code" href="classNLNET_1_1CBufServer.html#o14">_ReplayMode</a> )
00170 {
00171 ((<a class="code" href="classNLNET_1_1CBufServer.html#l1">CListenTask</a>*)(<a class="code" href="classNLNET_1_1CBufServer.html#o5">_ListenThread</a>-><a class="code" href="classNLMISC_1_1IThread.html#a4">getRunnable</a>()))->requireExit();
00172 ((<a class="code" href="classNLNET_1_1CBufServer.html#l1">CListenTask</a>*)(<a class="code" href="classNLNET_1_1CBufServer.html#o5">_ListenThread</a>-><a class="code" href="classNLMISC_1_1IThread.html#a4">getRunnable</a>()))->close();
00173 <font class="preprocessor">#ifdef NL_OS_UNIX</font>
00174 <font class="preprocessor"></font> <a class="code" href="classNLNET_1_1CBufServer.html#o4">_ListenTask</a>->wakeUp();
00175 <font class="preprocessor">#endif</font>
00176 <font class="preprocessor"></font> <a class="code" href="classNLNET_1_1CBufServer.html#o5">_ListenThread</a>-><a class="code" href="classNLMISC_1_1IThread.html#a3">wait</a>();
00177 <font class="keyword">delete</font> <a class="code" href="classNLNET_1_1CBufServer.html#o5">_ListenThread</a>;
00178 <font class="keyword">delete</font> <a class="code" href="classNLNET_1_1CBufServer.html#o4">_ListenTask</a>;
00179
00180 <font class="comment">// Clean receive thread exits</font>
00181 CThreadPool::iterator ipt;
00182 {
00183 <a class="code" href="debug_8h.html#a0">nldebug</a>( <font class="stringliteral">"LNETL1: Waiting for end of threads..."</font> );
00184 CSynchronized<CThreadPool>::CAccessor poolsync( &<a class="code" href="classNLNET_1_1CBufServer.html#o6">_ThreadPool</a> );
00185 <font class="keywordflow">for</font> ( ipt=poolsync.value().begin(); ipt!=poolsync.value().end(); ++ipt )
00186 {
00187 <font class="comment">// Tell the threads to exit and wake them up</font>
00188 <a class="code" href="classNLNET_1_1CBufServer.html#l2">CServerReceiveTask</a> *task = <a class="code" href="classNLNET_1_1CBufServer.html#b2">receiveTask</a>(ipt);
00189 <a class="code" href="buf__sock_8h.html#a0">nlnettrace</a>( <font class="stringliteral">"Requiring exit"</font> );
00190 task->requireExit();
00191
00192 <font class="comment">// Wake the threads up</font>
00193 <font class="preprocessor"> #ifdef NL_OS_UNIX</font>
00194 <font class="preprocessor"></font> task->wakeUp();
00195 <font class="preprocessor"> #else</font>
00196 <font class="preprocessor"></font> CConnections::iterator ipb;
00197 <a class="code" href="buf__sock_8h.html#a0">nlnettrace</a>( <font class="stringliteral">"Closing sockets (Win32)"</font> );
00198 {
00199 CSynchronized<CConnections>::CAccessor connectionssync( &task->_Connections );
00200 <font class="keywordflow">for</font> ( ipb=connectionssync.value().begin(); ipb!=connectionssync.value().end(); ++ipb )
00201 {
00202 (*ipb)->Sock->close();
00203 }
00204 }
00205 <font class="preprocessor"> #endif</font>
00206 <font class="preprocessor"></font>
00207 }
00208
00209 <a class="code" href="buf__sock_8h.html#a0">nlnettrace</a>( <font class="stringliteral">"Waiting"</font> );
00210 <font class="keywordflow">for</font> ( ipt=poolsync.value().begin(); ipt!=poolsync.value().end(); ++ipt )
00211 {
00212 <font class="comment">// Wait until the threads have exited</font>
00213 (*ipt)->wait();
00214 }
00215
00216 <a class="code" href="debug_8h.html#a0">nldebug</a>( <font class="stringliteral">"LNETL1: Deleting sockets, tasks and threads..."</font> );
00217 <font class="keywordflow">for</font> ( ipt=poolsync.value().begin(); ipt!=poolsync.value().end(); ++ipt )
00218 {
00219 <font class="comment">// Delete the socket objects</font>
00220 <a class="code" href="classNLNET_1_1CBufServer.html#l2">CServerReceiveTask</a> *task = <a class="code" href="classNLNET_1_1CBufServer.html#b2">receiveTask</a>(ipt);
00221 CConnections::iterator ipb;
00222 {
00223 CSynchronized<CConnections>::CAccessor connectionssync( &task->_Connections );
00224 <font class="keywordflow">for</font> ( ipb=connectionssync.value().begin(); ipb!=connectionssync.value().end(); ++ipb )
00225 {
00226 <font class="keyword">delete</font> (*ipb);
00227 }
00228 }
00229
00230 <font class="preprocessor"> #ifdef NL_OS_UNIX</font>
00231 <font class="preprocessor"></font> <font class="comment">// Under Unix, close the sockets now</font>
00232 <a class="code" href="buf__sock_8h.html#a0">nlnettrace</a>( <font class="stringliteral">"Closing sockets (Unix)"</font> );
00233 {
00234 CSynchronized<CConnections>::CAccessor connectionssync( &task->_Connections );
00235 <font class="keywordflow">for</font> ( ipb=connectionssync.value().begin(); ipb!=connectionssync.value().end(); ++ipb )
00236 {
00237 (*ipb)->Sock->close();
00238 }
00239 }
00240 <font class="preprocessor"> #endif</font>
00241 <font class="preprocessor"></font>
00242 <font class="comment">// Delete the task objects</font>
00243 <font class="keyword">delete</font> task;
00244
00245 <font class="comment">// Delete the thread objects</font>
00246 <font class="keyword">delete</font> (*ipt);
00247 }
00248 }
00249 }
00250
00251 <a class="code" href="buf__sock_8h.html#a0">nlnettrace</a>( <font class="stringliteral">"Exiting CBufServer::~CBufServer"</font> );
00252 }
00253
00254
00255 <font class="comment">/*</font>
00256 <font class="comment"> * Disconnect the specified host</font>
00257 <font class="comment"> * Set hostid to NULL to disconnect all connections.</font>
00258 <font class="comment"> * If hostid is not null and the socket is not connected, the method does nothing.</font>
00259 <font class="comment"> * If quick is true, any pending data will not be sent before disconnecting.</font>
00260 <font class="comment"> */</font>
<a name="l00261"></a><a class="code" href="classNLNET_1_1CBufServer.html#a3">00261</a> <font class="keywordtype">void</font> CBufServer::disconnect( <a class="code" href="namespaceNLNET.html#a0">TSockId</a> hostid, <font class="keywordtype">bool</font> quick )
00262 {
00263 <a class="code" href="buf__sock_8h.html#a0">nlnettrace</a>( <font class="stringliteral">"CBufServer::disconnect"</font> );
00264 <font class="keywordflow">if</font> ( hostid != InvalidSockId )
00265 {
00266 <font class="comment">// Disconnect only if physically connected</font>
00267 <font class="keywordflow">if</font> ( hostid->Sock->connected() )
00268 {
00269 <font class="keywordflow">if</font> ( ! quick )
00270 {
00271 hostid->flush();
00272 }
00273 hostid->Sock->disconnect(); <font class="comment">// the connection will be removed by the next call of update()</font>
00274 }
00275 }
00276 <font class="keywordflow">else</font>
00277 {
00278 <font class="comment">// Disconnect all</font>
00279 CThreadPool::iterator ipt;
00280 {
00281 CSynchronized<CThreadPool>::CAccessor poolsync( &<a class="code" href="classNLNET_1_1CBufServer.html#o6">_ThreadPool</a> );
00282 <font class="keywordflow">for</font> ( ipt=poolsync.value().begin(); ipt!=poolsync.value().end(); ++ipt )
00283 {
00284 <a class="code" href="classNLNET_1_1CBufServer.html#l2">CServerReceiveTask</a> *task = <a class="code" href="classNLNET_1_1CBufServer.html#b2">receiveTask</a>(ipt);
00285 CConnections::iterator ipb;
00286 {
00287 CSynchronized<CConnections>::CAccessor connectionssync( &task->_Connections );
00288 <font class="keywordflow">for</font> ( ipb=connectionssync.value().begin(); ipb!=connectionssync.value().end(); ++ipb )
00289 {
00290 <font class="keywordflow">if</font> ( (*ipb)->Sock->connected() )
00291 {
00292 <font class="keywordflow">if</font> ( ! quick )
00293 {
00294 (*ipb)->flush();
00295 }
00296 (*ipb)->Sock->disconnect();
00297 }
00298 }
00299 }
00300 }
00301 }
00302 }
00303 }
00304
00305
00306 <font class="comment">/*</font>
00307 <font class="comment"> * Send a message to the specified host</font>
00308 <font class="comment"> */</font>
00309 <font class="keywordtype">void</font> CBufServer::send( <font class="keyword">const</font> CMemStream& buffer, <a class="code" href="namespaceNLNET.html#a0">TSockId</a> hostid )
00310 {
00311 <a class="code" href="buf__sock_8h.html#a0">nlnettrace</a>( <font class="stringliteral">"CBufServer::send"</font> );
00312 <a class="code" href="debug_8h.html#a6">nlassert</a>( buffer.length() > 0);
00313 <a class="code" href="debug_8h.html#a6">nlassert</a>( buffer.length() <= <a class="code" href="classNLNET_1_1CBufNetBase.html#a6">maxSentBlockSize</a>() );
00314
00315 <font class="comment">// slow down the layer H_AUTO (CBufServer_send);</font>
00316
00317 <font class="keywordflow">if</font> ( hostid != InvalidSockId )
00318 {
00319 <font class="comment">// debug features, we number all packet to be sure that they are all sent and received</font>
00320 <font class="comment">// \todo remove this debug feature when ok</font>
00321 <font class="comment">// nldebug ("send message number %u", hostid->SendNextValue);</font>
00322 <font class="preprocessor">#ifdef NL_BIG_ENDIAN</font>
00323 <font class="preprocessor"></font> uint32 val = <a class="code" href="stream_8h.html#a1">NLMISC_BSWAP32</a>(hostid->SendNextValue);
00324 <font class="preprocessor">#else</font>
00325 <font class="preprocessor"></font> uint32 val = hostid->SendNextValue;
00326 <font class="preprocessor">#endif</font>
00327 <font class="preprocessor"></font>
00328 *(uint32*)buffer.buffer() = val;
00329 hostid->SendNextValue++;
00330
00331 <a class="code" href="classNLNET_1_1CBufServer.html#b3">pushBufferToHost</a>( buffer, hostid );
00332 }
00333 <font class="keywordflow">else</font>
00334 {
00335 <font class="comment">// Push into all send queues</font>
00336 CThreadPool::iterator ipt;
00337 {
00338 CSynchronized<CThreadPool>::CAccessor poolsync( &<a class="code" href="classNLNET_1_1CBufServer.html#o6">_ThreadPool</a> );
00339 <font class="keywordflow">for</font> ( ipt=poolsync.value().begin(); ipt!=poolsync.value().end(); ++ipt )
00340 {
00341 <a class="code" href="classNLNET_1_1CBufServer.html#l2">CServerReceiveTask</a> *task = <a class="code" href="classNLNET_1_1CBufServer.html#b2">receiveTask</a>(ipt);
00342 CConnections::iterator ipb;
00343 {
00344 CSynchronized<CConnections>::CAccessor connectionssync( &task->_Connections );
00345 <font class="keywordflow">for</font> ( ipb=connectionssync.value().begin(); ipb!=connectionssync.value().end(); ++ipb )
00346 {
00347 <font class="comment">// Send only if the socket is logically connected</font>
00348 <font class="keywordflow">if</font> ( (*ipb)->connectedState() )
00349 {
00350 <font class="comment">// debug features, we number all packet to be sure that they are all sent and received</font>
00351 <font class="comment">// \todo remove this debug feature when ok</font>
00352 <font class="comment">// nldebug ("send message number %u", (*ipb)->SendNextValue);</font>
00353 <font class="preprocessor">#ifdef NL_BIG_ENDIAN</font>
00354 <font class="preprocessor"></font> uint32 val = <a class="code" href="stream_8h.html#a1">NLMISC_BSWAP32</a>((*ipb)->SendNextValue);
00355 <font class="preprocessor">#else</font>
00356 <font class="preprocessor"></font> uint32 val = (*ipb)->SendNextValue;
00357 <font class="preprocessor">#endif</font>
00358 <font class="preprocessor"></font> *(uint32*)buffer.buffer() = val;
00359 (*ipb)->SendNextValue++;
00360
00361 <a class="code" href="classNLNET_1_1CBufServer.html#b3">pushBufferToHost</a>( buffer, *ipb );
00362 }
00363 }
00364 }
00365 }
00366 }
00367 }
00368 }
00369
00370
00371 <font class="comment">/*</font>
00372 <font class="comment"> * Checks if there are some data to receive</font>
00373 <font class="comment"> */</font>
<a name="l00374"></a><a class="code" href="classNLNET_1_1CBufServer.html#a6">00374</a> <font class="keywordtype">bool</font> CBufServer::dataAvailable()
00375 {
00376 <font class="comment">// slow down the layer H_AUTO (CBufServer_dataAvailable);</font>
00377 {
00378 <font class="comment">/* If no data available, enter the 'while' loop and return false (1 volatile test)</font>
00379 <font class="comment"> * If there are user data available, enter the 'while' and return true immediately (1 volatile test + 1 short locking)</font>
00380 <font class="comment"> * If there is a connection/disconnection event (rare), call the callback and loop</font>
00381 <font class="comment"> */</font>
00382 <font class="keywordflow">while</font> ( <a class="code" href="classNLNET_1_1CBufNetBase.html#b7">dataAvailableFlag</a>() )
00383 {
00384 <font class="comment">// Because _DataAvailable is true, the receive queue is not empty at this point</font>
00385 vector<uint8> buffer;
00386 uint8 val;
00387 {
00388 <a class="code" href="namespaceNLNET.html#a5">CFifoAccessor</a> recvfifo( &<a class="code" href="classNLNET_1_1CBufNetBase.html#b1">receiveQueue</a>() );
00389 val = recvfifo.value().frontLast();
00390 <font class="keywordflow">if</font> ( val != CBufNetBase::User )
00391 {
00392 recvfifo.value().front( buffer );
00393 }
00394 }
00395
00396 <font class="comment">/*sint32 mbsize = recvfifo.value().size() / 1048576;</font>
00397 <font class="comment"> if ( mbsize > 0 )</font>
00398 <font class="comment"> {</font>
00399 <font class="comment"> nlwarning( "The receive queue size exceeds %d MB", mbsize );</font>
00400 <font class="comment"> }*/</font>
00401
00402 <font class="comment">/*vector<uint8> buffer;</font>
00403 <font class="comment"> recvfifo.value().front( buffer );*/</font>
00404
00405 <font class="comment">// Test if it the next block is a system event</font>
00406 <font class="comment">//switch ( buffer[buffer.size()-1] )</font>
00407 <font class="keywordflow">switch</font> ( val )
00408 {
00409
00410 <font class="comment">// Normal message available</font>
00411 <font class="keywordflow">case</font> CBufNetBase::User:
00412 <font class="keywordflow">return</font> <font class="keyword">true</font>; <font class="comment">// return immediatly, do not extract the message</font>
00413
00414 <font class="comment">// Process disconnection event</font>
00415 <font class="keywordflow">case</font> CBufNetBase::Disconnection:
00416 {
00417 <a class="code" href="namespaceNLNET.html#a0">TSockId</a> sockid = *((<a class="code" href="namespaceNLNET.html#a0">TSockId</a>*)(&*buffer.begin()));
00418 <a class="code" href="debug_8h.html#a0">nldebug</a>( <font class="stringliteral">"LNETL1: Disconnection event for %p %s"</font>, sockid, sockid->asString().c_str());
00419
00420 sockid->setConnectedState( <font class="keyword">false</font> );
00421
00422 <font class="comment">// Call callback if needed</font>
00423 <font class="keywordflow">if</font> ( <a class="code" href="classNLNET_1_1CBufNetBase.html#b2">disconnectionCallback</a>() != NULL )
00424 {
00425 <a class="code" href="classNLNET_1_1CBufNetBase.html#b2">disconnectionCallback</a>()( sockid, <a class="code" href="classNLNET_1_1CBufNetBase.html#b3">argOfDisconnectionCallback</a>() );
00426 }
00427
00428 <font class="comment">// Add socket object into the synchronized remove list</font>
00429 <a class="code" href="debug_8h.html#a0">nldebug</a>( <font class="stringliteral">"LNETL1: Adding the connection to the remove list"</font> );
00430 <a class="code" href="debug_8h.html#a6">nlassert</a>( ((<a class="code" href="classNLNET_1_1CBufServer.html#l0">CServerBufSock</a>*)sockid)->ownerTask() != NULL );
00431 ((<a class="code" href="classNLNET_1_1CBufServer.html#l0">CServerBufSock</a>*)sockid)->ownerTask()->addToRemoveSet( sockid );
00432 <font class="keywordflow">break</font>;
00433 }
00434 <font class="comment">// Process connection event</font>
00435 <font class="keywordflow">case</font> CBufNetBase::Connection:
00436 {
00437 <a class="code" href="namespaceNLNET.html#a0">TSockId</a> sockid = *((<a class="code" href="namespaceNLNET.html#a0">TSockId</a>*)(&*buffer.begin()));
00438 <a class="code" href="debug_8h.html#a0">nldebug</a>( <font class="stringliteral">"LNETL1: Connection event for %p %s"</font>, sockid, sockid->asString().c_str());
00439
00440 sockid->setConnectedState( <font class="keyword">true</font> );
00441
00442 <font class="comment">// Call callback if needed</font>
00443 <font class="keywordflow">if</font> ( <a class="code" href="classNLNET_1_1CBufServer.html#b5">connectionCallback</a>() != NULL )
00444 {
00445 <a class="code" href="classNLNET_1_1CBufServer.html#b5">connectionCallback</a>()( sockid, <a class="code" href="classNLNET_1_1CBufServer.html#b6">argOfConnectionCallback</a>() );
00446 }
00447 <font class="keywordflow">break</font>;
00448 }
00449 <font class="keywordflow">default</font>: <font class="comment">// should not occur</font>
00450 <a class="code" href="debug_8h.html#a1">nlinfo</a>( <font class="stringliteral">"LNETL1: Invalid block type: %hu (should be = to %hu"</font>, (uint16)(buffer[buffer.size()-1]), (uint16)(val) );
00451 <a class="code" href="debug_8h.html#a1">nlinfo</a>( <font class="stringliteral">"LNETL1: Buffer (%d B): [%s]"</font>, buffer.size(), stringFromVector(buffer).c_str() );
00452 <a class="code" href="debug_8h.html#a1">nlinfo</a>( <font class="stringliteral">"LNETL1: Receive queue:"</font> );
00453 {
00454 <a class="code" href="namespaceNLNET.html#a5">CFifoAccessor</a> recvfifo( &<a class="code" href="classNLNET_1_1CBufNetBase.html#b1">receiveQueue</a>() );
00455 recvfifo.value().display();
00456 }
00457 <a class="code" href="debug_8h.html#a3">nlerror</a>( <font class="stringliteral">"LNETL1: Invalid system event type in server receive queue"</font> );
00458
00459 }
00460
00461 <font class="comment">// Extract system event</font>
00462 {
00463 <a class="code" href="namespaceNLNET.html#a5">CFifoAccessor</a> recvfifo( &<a class="code" href="classNLNET_1_1CBufNetBase.html#b1">receiveQueue</a>() );
00464 recvfifo.value().pop();
00465 <a class="code" href="classNLNET_1_1CBufNetBase.html#b6">setDataAvailableFlag</a>( ! recvfifo.value().empty() );
00466 }
00467 }
00468 <font class="comment">// _DataAvailable is false here</font>
00469 <font class="keywordflow">return</font> <font class="keyword">false</font>;
00470 }
00471 }
00472
00473
00474 <font class="comment">/* // OLD VERSION</font>
00475 <font class="comment">bool CBufServer::dataAvailable()</font>
00476 <font class="comment">{</font>
00477 <font class="comment"> // slow down the layer H_AUTO (CBufServer_dataAvailable);</font>
00478 <font class="comment"> {</font>
00479 <font class="comment"> CFifoAccessor recvfifo( &receiveQueue() );</font>
00480 <font class="comment"> do</font>
00481 <font class="comment"> {</font>
00482 <font class="comment"> // Check if the receive queue is empty</font>
00483 <font class="comment"> if ( recvfifo.value().empty() )</font>
00484 <font class="comment"> {</font>
00485 <font class="comment"> return false;</font>
00486 <font class="comment"> }</font>
00487 <font class="comment"> else</font>
00488 <font class="comment"> {</font>
00489 <font class="comment"> //sint32 mbsize = recvfifo.value().size() / 1048576;</font>
00490 <font class="comment"> //if ( mbsize > 0 )</font>
00491 <font class="comment"> //{</font>
00492 <font class="comment"> // nlwarning( "The receive queue size exceeds %d MB", mbsize );</font>
00493 <font class="comment"> //}</font>
00494 <font class="comment"></font>
00495 <font class="comment"> uint8 val = recvfifo.value().frontLast();</font>
00496 <font class="comment"> </font>
00497 <font class="comment"> //vector<uint8> buffer;</font>
00498 <font class="comment"> //recvfifo.value().front( buffer );</font>
00499 <font class="comment"></font>
00500 <font class="comment"> // Test if it the next block is a system event</font>
00501 <font class="comment"> //switch ( buffer[buffer.size()-1] )</font>
00502 <font class="comment"> switch ( val )</font>
00503 <font class="comment"> {</font>
00504 <font class="comment"> </font>
00505 <font class="comment"> // Normal message available</font>
00506 <font class="comment"> case CBufNetBase::User:</font>
00507 <font class="comment"> return true; // return immediatly, do not extract the message</font>
00508 <font class="comment"></font>
00509 <font class="comment"> // Process disconnection event</font>
00510 <font class="comment"> case CBufNetBase::Disconnection:</font>
00511 <font class="comment"> {</font>
00512 <font class="comment"> vector<uint8> buffer;</font>
00513 <font class="comment"> recvfifo.value().front( buffer );</font>
00514 <font class="comment"></font>
00515 <font class="comment"> TSockId sockid = *((TSockId*)(&*buffer.begin()));</font>
00516 <font class="comment"> nldebug( "LNETL1: Disconnection event for %p %s", sockid, sockid->asString().c_str());</font>
00517 <font class="comment"></font>
00518 <font class="comment"> sockid->setConnectedState( false );</font>
00519 <font class="comment"></font>
00520 <font class="comment"> // Call callback if needed</font>
00521 <font class="comment"> if ( disconnectionCallback() != NULL )</font>
00522 <font class="comment"> {</font>
00523 <font class="comment"> disconnectionCallback()( sockid, argOfDisconnectionCallback() );</font>
00524 <font class="comment"> }</font>
00525 <font class="comment"></font>
00526 <font class="comment"> // Add socket object into the synchronized remove list</font>
00527 <font class="comment"> nldebug( "LNETL1: Adding the connection to the remove list" );</font>
00528 <font class="comment"> nlassert( ((CServerBufSock*)sockid)->ownerTask() != NULL );</font>
00529 <font class="comment"> ((CServerBufSock*)sockid)->ownerTask()->addToRemoveSet( sockid );</font>
00530 <font class="comment"> break;</font>
00531 <font class="comment"> }</font>
00532 <font class="comment"> // Process connection event</font>
00533 <font class="comment"> case CBufNetBase::Connection:</font>
00534 <font class="comment"> {</font>
00535 <font class="comment"> vector<uint8> buffer;</font>
00536 <font class="comment"> recvfifo.value().front( buffer );</font>
00537 <font class="comment"></font>
00538 <font class="comment"> TSockId sockid = *((TSockId*)(&*buffer.begin()));</font>
00539 <font class="comment"> nldebug( "LNETL1: Connection event for %p %s", sockid, sockid->asString().c_str());</font>
00540 <font class="comment"></font>
00541 <font class="comment"> sockid->setConnectedState( true );</font>
00542 <font class="comment"> </font>
00543 <font class="comment"> // Call callback if needed</font>
00544 <font class="comment"> if ( connectionCallback() != NULL )</font>
00545 <font class="comment"> {</font>
00546 <font class="comment"> connectionCallback()( sockid, argOfConnectionCallback() );</font>
00547 <font class="comment"> }</font>
00548 <font class="comment"> break;</font>
00549 <font class="comment"> }</font>
00550 <font class="comment"> default:</font>
00551 <font class="comment"> vector<uint8> buffer;</font>
00552 <font class="comment"> recvfifo.value().front( buffer );</font>
00553 <font class="comment"></font>
00554 <font class="comment"> nlinfo( "LNETL1: Invalid block type: %hu (should be = to %hu", (uint16)(buffer[buffer.size()-1]), (uint16)(val) );</font>
00555 <font class="comment"> nlinfo( "LNETL1: Buffer (%d B): [%s]", buffer.size(), stringFromVector(buffer).c_str() );</font>
00556 <font class="comment"> nlinfo( "LNETL1: Receive queue:" );</font>
00557 <font class="comment"> recvfifo.value().display();</font>
00558 <font class="comment"> nlerror( "LNETL1: Invalid system event type in server receive queue" );</font>
00559 <font class="comment"></font>
00560 <font class="comment"> }</font>
00561 <font class="comment"></font>
00562 <font class="comment"> // Extract system event</font>
00563 <font class="comment"> recvfifo.value().pop();</font>
00564 <font class="comment"> }</font>
00565 <font class="comment"> }</font>
00566 <font class="comment"> while ( true );</font>
00567 <font class="comment"> }</font>
00568 <font class="comment">}</font>
00569 <font class="comment">*/</font>
00570
00571 <font class="comment">/*</font>
00572 <font class="comment"> * Receives next block of data in the specified. The length and hostid are output arguments.</font>
00573 <font class="comment"> * Precond: dataAvailable() has returned true, phostid not null</font>
00574 <font class="comment"> */</font>
<a name="l00575"></a><a class="code" href="classNLNET_1_1CBufServer.html#a7">00575</a> <font class="keywordtype">void</font> CBufServer::receive( CMemStream& buffer, <a class="code" href="namespaceNLNET.html#a0">TSockId</a>* phostid )
00576 {
00577 <a class="code" href="buf__sock_8h.html#a0">nlnettrace</a>( <font class="stringliteral">"CBufServer::receive"</font> );
00578 <font class="comment">//nlassert( dataAvailable() );</font>
00579 <a class="code" href="debug_8h.html#a6">nlassert</a>( phostid != NULL );
00580 {
00581 <a class="code" href="namespaceNLNET.html#a5">CFifoAccessor</a> recvfifo( &<a class="code" href="classNLNET_1_1CBufNetBase.html#b1">receiveQueue</a>() );
00582 <a class="code" href="debug_8h.html#a6">nlassert</a>( ! recvfifo.value().empty() );
00583 recvfifo.value().front( buffer );
00584 recvfifo.value().pop();
00585 <a class="code" href="classNLNET_1_1CBufNetBase.html#b6">setDataAvailableFlag</a>( ! recvfifo.value().empty() );
00586 }
00587
00588 <font class="comment">// Extract hostid (and event type)</font>
00589 *phostid = *((<a class="code" href="namespaceNLNET.html#a0">TSockId</a>*)&(buffer.buffer()[buffer.length()-<font class="keyword">sizeof</font>(TSockId)-1]));
00590 <a class="code" href="debug_8h.html#a6">nlassert</a>( buffer.buffer()[buffer.length()-1] == CBufNetBase::User );
00591
00592 <font class="comment">// debug features, we number all packet to be sure that they are all sent and received</font>
00593 <font class="comment">// \todo remove this debug feature when ok</font>
00594 <font class="preprocessor">#ifdef NL_BIG_ENDIAN</font>
00595 <font class="preprocessor"></font> uint32 val = <a class="code" href="stream_8h.html#a1">NLMISC_BSWAP32</a>(*(uint32*)buffer.buffer());
00596 <font class="preprocessor">#else</font>
00597 <font class="preprocessor"></font> uint32 val = *(uint32*)buffer.buffer();
00598 <font class="preprocessor">#endif</font>
00599 <font class="preprocessor"></font>
00600 <font class="comment">// nldebug ("receive message number %u", val);</font>
00601 <font class="keywordflow">if</font> ((*phostid)->ReceiveNextValue != val)
00602 {
00603 <a class="code" href="debug_8h.html#a2">nlwarning</a> ((<font class="stringliteral">"LNETL1: !!!LOST A MESSAGE!!! I received the message number %u but I'm waiting the message number %u (cnx %s), warn lecroart@nevrax.com with the log now please"</font>, val, (*phostid)->ReceiveNextValue, (*phostid)->asString().c_str()));
00604 <font class="comment">// resync the message number</font>
00605 (*phostid)->ReceiveNextValue = val;
00606 }
00607
00608 (*phostid)->ReceiveNextValue++;
00609
00610 buffer.resize( buffer.length()-<font class="keyword">sizeof</font>(TSockId)-1 );
00611
00612 <font class="comment">// TODO OPTIM remove the nldebug for speed</font>
00613 <font class="comment">//commented for optimisation nldebug( "LNETL1: Read buffer (%d+%d B) from %s", buffer.length(), sizeof(TSockId)+1, /*stringFromVector(buffer).c_str(), */(*phostid)->asString().c_str() );</font>
00614
00615 <font class="comment">// Statistics</font>
00616 <a class="code" href="classNLNET_1_1CBufServer.html#o10">_BytesPoppedIn</a> += buffer.length() + <font class="keyword">sizeof</font>(TBlockSize);
00617 }
00618
00619
00620 <font class="comment">/*</font>
00621 <font class="comment"> * Update the network (call this method evenly)</font>
00622 <font class="comment"> */</font>
<a name="l00623"></a><a class="code" href="classNLNET_1_1CBufServer.html#a8">00623</a> <font class="keywordtype">void</font> CBufServer::update()
00624 {
00625 <font class="comment">//nlnettrace( "CBufServer::update-BEGIN" );</font>
00626
00627 <a class="code" href="classNLNET_1_1CBufServer.html#o13">_NbConnections</a> = 0;
00628
00629 <font class="comment">// For each thread</font>
00630 CThreadPool::iterator ipt;
00631 {
00632 <font class="comment">//nldebug( "UPD: Acquiring the Thread Pool" );</font>
00633 CSynchronized<CThreadPool>::CAccessor poolsync( &<a class="code" href="classNLNET_1_1CBufServer.html#o6">_ThreadPool</a> );
00634 <font class="comment">//nldebug( "UPD: Acquired." );</font>
00635 <font class="keywordflow">for</font> ( ipt=poolsync.value().begin(); ipt!=poolsync.value().end(); ++ipt )
00636 {
00637 <font class="comment">// For each thread of the pool</font>
00638 <a class="code" href="classNLNET_1_1CBufServer.html#l2">CServerReceiveTask</a> *task = <a class="code" href="classNLNET_1_1CBufServer.html#b2">receiveTask</a>(ipt);
00639 CConnections::iterator ipb;
00640 {
00641 CSynchronized<CConnections>::CAccessor connectionssync( &task->_Connections );
00642 <font class="keywordflow">for</font> ( ipb=connectionssync.value().begin(); ipb!=connectionssync.value().end(); ++ipb )
00643 {
00644 <font class="comment">// For each socket of the thread, update sending</font>
00645 <font class="keywordflow">if</font> ( ! ((*ipb)->Sock->connected() && (*ipb)->update()) )
00646 {
00647 <font class="comment">// Update did not work or the socket is not connected anymore</font>
00648 <a class="code" href="debug_8h.html#a0">nldebug</a>( <font class="stringliteral">"LNETL1: Socket %s is disconnected"</font>, (*ipb)->asString().c_str() );
00649 <font class="comment">// Disconnection event if disconnected (known either from flush (in update) or when receiving data)</font>
00650 (*ipb)->advertiseDisconnection( <font class="keyword">this</font>, *ipb );
00651
00652 <font class="comment">/*if ( (*ipb)->advertiseDisconnection( this, *ipb ) )</font>
00653 <font class="comment"> {</font>
00654 <font class="comment"> // Now the connection removal is in dataAvailable()</font>
00655 <font class="comment"> // POLL6</font>
00656 <font class="comment"> }*/</font>
00657 }
00658 <font class="keywordflow">else</font>
00659 {
00660 <a class="code" href="classNLNET_1_1CBufServer.html#o13">_NbConnections</a>++;
00661 }
00662 }
00663 }
00664 }
00665 }
00666
00667 <font class="comment">//nlnettrace( "CBufServer::update-END" );</font>
00668 }
00669
<a name="l00670"></a><a class="code" href="classNLNET_1_1CBufServer.html#a9">00670</a> uint32 CBufServer::getSendQueueSize( <a class="code" href="namespaceNLNET.html#a0">TSockId</a> destid )
00671 {
00672 <font class="keywordflow">if</font> ( destid != InvalidSockId )
00673 {
00674 <font class="keywordflow">return</font> destid->SendFifo.size();
00675 }
00676 <font class="keywordflow">else</font>
00677 {
00678 <font class="comment">// add all client buffers</font>
00679
00680 uint32 total = 0;
00681
00682 <font class="comment">// For each thread</font>
00683 CThreadPool::iterator ipt;
00684 {
00685 CSynchronized<CThreadPool>::CAccessor poolsync( &<a class="code" href="classNLNET_1_1CBufServer.html#o6">_ThreadPool</a> );
00686 <font class="keywordflow">for</font> ( ipt=poolsync.value().begin(); ipt!=poolsync.value().end(); ++ipt )
00687 {
00688 <font class="comment">// For each thread of the pool</font>
00689 <a class="code" href="classNLNET_1_1CBufServer.html#l2">CServerReceiveTask</a> *task = <a class="code" href="classNLNET_1_1CBufServer.html#b2">receiveTask</a>(ipt);
00690 CConnections::iterator ipb;
00691 {
00692 CSynchronized<CConnections>::CAccessor connectionssync( &task->_Connections );
00693 <font class="keywordflow">for</font> ( ipb=connectionssync.value().begin(); ipb!=connectionssync.value().end(); ++ipb )
00694 {
00695 <font class="comment">// For each socket of the thread, update sending</font>
00696 total = (*ipb)->SendFifo.size ();
00697 }
00698 }
00699 }
00700 }
00701 <font class="keywordflow">return</font> total;
00702 }
00703 }
00704
00705
00706 <font class="comment">/*</font>
00707 <font class="comment"> * Returns the number of bytes received since the previous call to this method</font>
00708 <font class="comment"> */</font>
<a name="l00709"></a><a class="code" href="classNLNET_1_1CBufServer.html#a16">00709</a> uint64 CBufServer::newBytesReceived()
00710 {
00711 uint64 b = <a class="code" href="classNLNET_1_1CBufServer.html#a15">bytesReceived</a>();
00712 uint64 nbrecvd = b - <a class="code" href="classNLNET_1_1CBufServer.html#o11">_PrevBytesPoppedIn</a>;
00713 <font class="comment">//nlinfo( "b: %"NL_I64"u new: %"NL_I64"u", b, nbrecvd );</font>
00714 <a class="code" href="classNLNET_1_1CBufServer.html#o11">_PrevBytesPoppedIn</a> = b;
00715 <font class="keywordflow">return</font> nbrecvd;
00716 }
00717
00718 <font class="comment">/*</font>
00719 <font class="comment"> * Returns the number of bytes sent since the previous call to this method</font>
00720 <font class="comment"> */</font>
<a name="l00721"></a><a class="code" href="classNLNET_1_1CBufServer.html#a18">00721</a> uint64 CBufServer::newBytesSent()
00722 {
00723 uint64 b = <a class="code" href="classNLNET_1_1CBufServer.html#a17">bytesSent</a>();
00724 uint64 nbsent = b - <a class="code" href="classNLNET_1_1CBufServer.html#o12">_PrevBytesPushedOut</a>;
00725 <font class="comment">//nlinfo( "b: %"NL_I64"u new: %"NL_I64"u", b, nbsent );</font>
00726 <a class="code" href="classNLNET_1_1CBufServer.html#o12">_PrevBytesPushedOut</a> = b;
00727 <font class="keywordflow">return</font> nbsent;
00728 }
00729
00730
00731 <font class="comment">/***************************************************************************************************</font>
00732 <font class="comment"> * Listen thread</font>
00733 <font class="comment"> **************************************************************************************************/</font>
00734
00735
00736 <font class="comment">/*</font>
00737 <font class="comment"> * Code of listening thread</font>
00738 <font class="comment"> */</font>
<a name="l00739"></a><a class="code" href="classNLNET_1_1CListenTask.html#a2">00739</a> <font class="keywordtype">void</font> CListenTask::run()
00740 {
00741 <a class="code" href="buf__sock_8h.html#a0">nlnettrace</a>( <font class="stringliteral">"CListenTask::run"</font> );
00742
00743 <font class="preprocessor">#ifdef NL_OS_UNIX</font>
00744 <font class="preprocessor"></font> SOCKET descmax;
00745 fd_set readers;
00746 timeval tv;
00747 descmax = <a class="code" href="classNLNET_1_1CListenTask.html#o1">_ListenSock</a>.descriptor()>_WakeUpPipeHandle[PipeRead]?<a class="code" href="classNLNET_1_1CListenTask.html#o1">_ListenSock</a>.descriptor():_WakeUpPipeHandle[PipeRead];
00748 <font class="preprocessor">#endif</font>
00749 <font class="preprocessor"></font>
00750 <font class="comment">// Accept connections</font>
00751 <font class="keywordflow">while</font> ( ! <a class="code" href="classNLNET_1_1CServerTask.html#b1">exitRequired</a>() )
00752 {
00753 <font class="keywordflow">try</font>
00754 {
00755 <font class="comment">// Get and setup the new socket</font>
00756 <font class="preprocessor">#ifdef NL_OS_UNIX</font>
00757 <font class="preprocessor"></font> FD_ZERO( &readers );
00758 FD_SET( <a class="code" href="classNLNET_1_1CListenTask.html#o1">_ListenSock</a>.descriptor(), &readers );
00759 FD_SET( _WakeUpPipeHandle[PipeRead], &readers );
00760 tv.tv_sec = 60;
00761 tv.tv_usec = 0;
00762 <font class="keywordtype">int</font> <a class="code" href="driver__opengl__extension__def_8h.html#a400">res</a> = ::select( descmax+1, &readers, NULL, NULL, &tv );
00763
00764 <font class="keywordflow">switch</font> ( res )
00765 {
00766 <font class="keywordflow">case</font> 0 : <font class="keywordflow">continue</font>; <font class="comment">// time-out expired, no results</font>
00767 <font class="keywordflow">case</font> -1 :
00768 <font class="comment">// we'll ignore message (Interrupted system call) caused by a CTRL-C</font>
00769 <font class="keywordflow">if</font> (CSock::getLastError() == 4)
00770 {
00771 <a class="code" href="debug_8h.html#a0">nldebug</a> (<font class="stringliteral">"LNETL1: Select failed (in listen thread): %s (code %u) but IGNORED"</font>, CSock::errorString( CSock::getLastError() ).c_str(), CSock::getLastError());
00772 <font class="keywordflow">continue</font>;
00773 }
00774 <a class="code" href="debug_8h.html#a3">nlerror</a>( <font class="stringliteral">"LNETL1: Select failed (in listen thread): %s (code %u)"</font>, CSock::errorString( CSock::getLastError() ).c_str(), CSock::getLastError() );
00775 }
00776
00777 <font class="keywordflow">if</font> ( FD_ISSET( _WakeUpPipeHandle[PipeRead], &readers ) )
00778 {
00779 uint8 b;
00780 <font class="keywordflow">if</font> ( read( _WakeUpPipeHandle[PipeRead], &b, 1 ) == -1 ) <font class="comment">// we were woken-up by the wake-up pipe</font>
00781 {
00782 <a class="code" href="debug_8h.html#a0">nldebug</a>( <font class="stringliteral">"LNETL1: In CListenTask::run(): read() failed"</font> );
00783 }
00784 <a class="code" href="debug_8h.html#a0">nldebug</a>( <font class="stringliteral">"LNETL1: listen thread select woken-up"</font> );
00785 <font class="keywordflow">continue</font>;
00786 }
00787 <font class="preprocessor">#endif</font>
00788 <font class="preprocessor"></font> <a class="code" href="debug_8h.html#a0">nldebug</a>( <font class="stringliteral">"LNETL1: Waiting incoming connection..."</font> );
00789 CServerBufSock *bufsock = <font class="keyword">new</font> CServerBufSock( <a class="code" href="classNLNET_1_1CListenTask.html#o1">_ListenSock</a>.accept() );
00790 <a class="code" href="debug_8h.html#a0">nldebug</a>( <font class="stringliteral">"New connection : %s"</font>, bufsock->asString().c_str() );
00791 bufsock->Sock->setNonBlockingMode( <font class="keyword">true</font> );
00792 <font class="keywordflow">if</font> ( <a class="code" href="classNLNET_1_1CListenTask.html#o0">_Server</a>->noDelay() )
00793 {
00794 bufsock->Sock->setNoDelay( <font class="keyword">true</font> );
00795 }
00796
00797 <font class="comment">// Notify the new connection</font>
00798 bufsock->advertiseConnection( <a class="code" href="classNLNET_1_1CListenTask.html#o0">_Server</a> );
00799
00800 <font class="comment">// Dispatch the socket into the thread pool</font>
00801 <a class="code" href="classNLNET_1_1CListenTask.html#o0">_Server</a>->dispatchNewSocket( bufsock );
00802 }
00803 <font class="keywordflow">catch</font> ( ESocket& e )
00804 {
00805 <a class="code" href="debug_8h.html#a1">nlinfo</a>( <font class="stringliteral">"Exception in listen thread: %s"</font>, e.what() ); <font class="comment">// It can occur in normal behavior (e.g. when exiting)</font>
00806 <font class="comment">// It can also occur when too many sockets are open (e.g. 885 connections)</font>
00807 }
00808 }
00809
00810 <a class="code" href="buf__sock_8h.html#a0">nlnettrace</a>( <font class="stringliteral">"Exiting CListenTask::run"</font> );
00811 }
00812
00813
00814 <font class="comment">/*</font>
00815 <font class="comment"> * Binds a new socket and send buffer to an existing or a new thread</font>
00816 <font class="comment"> * Note: this method is called in the listening thread.</font>
00817 <font class="comment"> */</font>
<a name="l00818"></a><a class="code" href="classNLNET_1_1CBufServer.html#b1">00818</a> <font class="keywordtype">void</font> CBufServer::dispatchNewSocket( CServerBufSock *bufsock )
00819 {
00820 <a class="code" href="buf__sock_8h.html#a0">nlnettrace</a>( <font class="stringliteral">"CBufServer::dispatchNewSocket"</font> );
00821
00822 CSynchronized<CThreadPool>::CAccessor poolsync( &<a class="code" href="classNLNET_1_1CBufServer.html#o6">_ThreadPool</a> );
00823 <font class="keywordflow">if</font> ( <a class="code" href="classNLNET_1_1CBufServer.html#o1">_ThreadStrategy</a> == <a class="code" href="classNLNET_1_1CBufServer.html#s2s0">SpreadSockets</a> )
00824 {
00825 <font class="comment">// Find the thread with the smallest number of connections and check if all</font>
00826 <font class="comment">// threads do not have the same number of connections</font>
00827 uint <a class="code" href="bit__set_8cpp.html#a0">min</a> = 0xFFFFFFFF;
00828 uint max = 0;
00829 CThreadPool::iterator ipt, iptmin, iptmax;
00830 <font class="keywordflow">for</font> ( iptmin=iptmax=ipt=poolsync.value().begin(); ipt!=poolsync.value().end(); ++ipt )
00831 {
00832 uint noc = <a class="code" href="classNLNET_1_1CBufServer.html#b2">receiveTask</a>(ipt)->numberOfConnections();
00833 <font class="keywordflow">if</font> ( noc < <a class="code" href="bit__set_8cpp.html#a0">min</a> )
00834 {
00835 <a class="code" href="bit__set_8cpp.html#a0">min</a> = noc;
00836 iptmin = ipt;
00837 }
00838 <font class="keywordflow">if</font> ( noc > max )
00839 {
00840 max = noc;
00841 iptmax = ipt;
00842 }
00843 }
00844
00845 <font class="comment">// Check if we make the pool of threads grow (if we have not found vacant room</font>
00846 <font class="comment">// and if it is allowed to)</font>
00847 <font class="keywordflow">if</font> ( (poolsync.value().empty()) ||
00848 ((<a class="code" href="bit__set_8cpp.html#a0">min</a> == max) && (poolsync.value().size() < <a class="code" href="classNLNET_1_1CBufServer.html#o2">_MaxThreads</a>)) )
00849 {
00850 <a class="code" href="classNLNET_1_1CBufServer.html#b4">addNewThread</a>( poolsync.value(), bufsock );
00851 }
00852 <font class="keywordflow">else</font>
00853 {
00854 <font class="comment">// Dispatch socket to an existing thread of the pool</font>
00855 <a class="code" href="classNLNET_1_1CBufServer.html#l2">CServerReceiveTask</a> *task = <a class="code" href="classNLNET_1_1CBufServer.html#b2">receiveTask</a>(iptmin);
00856 bufsock->setOwnerTask( task );
00857 task->addNewSocket( bufsock );
00858 <font class="preprocessor">#ifdef NL_OS_UNIX</font>
00859 <font class="preprocessor"></font> task->wakeUp();
00860 <font class="preprocessor">#endif </font>
00861 <font class="preprocessor"></font>
00862 <font class="keywordflow">if</font> ( <a class="code" href="bit__set_8cpp.html#a0">min</a> >= (uint)<a class="code" href="classNLNET_1_1CBufServer.html#o3">_MaxSocketsPerThread</a> )
00863 {
00864 <a class="code" href="debug_8h.html#a2">nlwarning</a>( <font class="stringliteral">"LNETL1: Exceeding the maximum number of sockets per thread"</font> );
00865 }
00866 <a class="code" href="debug_8h.html#a0">nldebug</a>( <font class="stringliteral">"LNETL1: New socket dispatched to thread %d"</font>, iptmin-poolsync.value().begin() );
00867 }
00868
00869 }
00870 <font class="keywordflow">else</font> <font class="comment">// _ThreadStrategy == FillThreads</font>
00871 {
00872 CThreadPool::iterator ipt;
00873 <font class="keywordflow">for</font> ( ipt=poolsync.value().begin(); ipt!=poolsync.value().end(); ++ipt )
00874 {
00875 uint noc = <a class="code" href="classNLNET_1_1CBufServer.html#b2">receiveTask</a>(ipt)->numberOfConnections();
00876 <font class="keywordflow">if</font> ( noc < <a class="code" href="classNLNET_1_1CBufServer.html#o3">_MaxSocketsPerThread</a> )
00877 {
00878 <font class="keywordflow">break</font>;
00879 }
00880 }
00881
00882 <font class="comment">// Check if we have to make the thread pool grow (if we have not found vacant room)</font>
00883 <font class="keywordflow">if</font> ( ipt == poolsync.value().end() )
00884 {
00885 <font class="keywordflow">if</font> ( poolsync.value().size() == <a class="code" href="classNLNET_1_1CBufServer.html#o2">_MaxThreads</a> )
00886 {
00887 <a class="code" href="debug_8h.html#a2">nlwarning</a>( <font class="stringliteral">"LNETL1: Exceeding the maximum number of threads"</font> );
00888 }
00889 <a class="code" href="classNLNET_1_1CBufServer.html#b4">addNewThread</a>( poolsync.value(), bufsock );
00890 }
00891 <font class="keywordflow">else</font>
00892 {
00893 <font class="comment">// Dispatch socket to an existing thread of the pool</font>
00894 <a class="code" href="classNLNET_1_1CBufServer.html#l2">CServerReceiveTask</a> *task = <a class="code" href="classNLNET_1_1CBufServer.html#b2">receiveTask</a>(ipt);
00895 bufsock->setOwnerTask( task );
00896 task->addNewSocket( bufsock );
00897 <font class="preprocessor">#ifdef NL_OS_UNIX</font>
00898 <font class="preprocessor"></font> task->wakeUp();
00899 <font class="preprocessor">#endif </font>
00900 <font class="preprocessor"></font> <a class="code" href="debug_8h.html#a0">nldebug</a>( <font class="stringliteral">"LNETL1: New socket dispatched to thread %d"</font>, ipt-poolsync.value().begin() );
00901 }
00902 }
00903 }
00904
00905
00906 <font class="comment">/*</font>
00907 <font class="comment"> * Creates a new task and run a new thread for it</font>
00908 <font class="comment"> * Precond: bufsock not null</font>
00909 <font class="comment"> */</font>
<a name="l00910"></a><a class="code" href="classNLNET_1_1CBufServer.html#b4">00910</a> <font class="keywordtype">void</font> CBufServer::addNewThread( <a class="code" href="namespaceNLNET.html#a7">CThreadPool</a>& threadpool, CServerBufSock *bufsock )
00911 {
00912 <a class="code" href="buf__sock_8h.html#a0">nlnettrace</a>( <font class="stringliteral">"CBufServer::addNewThread"</font> );
00913 <a class="code" href="debug_8h.html#a6">nlassert</a>( bufsock != NULL );
00914
00915 <font class="comment">// Create new task and dispatch the socket to it</font>
00916 <a class="code" href="classNLNET_1_1CBufServer.html#l2">CServerReceiveTask</a> *task = <font class="keyword">new</font> <a class="code" href="classNLNET_1_1CBufServer.html#l2">CServerReceiveTask</a>( <font class="keyword">this</font> );
00917 bufsock->setOwnerTask( task );
00918 task->addNewSocket( bufsock );
00919
00920 <font class="comment">// Add a new thread to the pool, with this task</font>
00921 IThread *thr = IThread::create( task );
00922 {
00923 threadpool.push_back( thr );
00924 thr->start();
00925 <a class="code" href="debug_8h.html#a0">nldebug</a>( <font class="stringliteral">"LNETL1: Added a new thread; pool size is %d"</font>, threadpool.size() );
00926 <a class="code" href="debug_8h.html#a0">nldebug</a>( <font class="stringliteral">"LNETL1: New socket dispatched to thread %d"</font>, threadpool.size()-1 );
00927 }
00928 }
00929
00930
00931 <font class="comment">/***************************************************************************************************</font>
00932 <font class="comment"> * Receive threads</font>
00933 <font class="comment"> **************************************************************************************************/</font>
00934
00935
00936 <font class="comment">/*</font>
00937 <font class="comment"> * Code of receiving threads for servers</font>
00938 <font class="comment"> */</font>
<a name="l00939"></a><a class="code" href="classNLNET_1_1CServerReceiveTask.html#a1">00939</a> <font class="keywordtype">void</font> CServerReceiveTask::run()
00940 {
00941 <a class="code" href="buf__sock_8h.html#a0">nlnettrace</a>( <font class="stringliteral">"CServerReceiveTask::run"</font> );
00942
00943 SOCKET descmax;
00944 fd_set readers;
00945
00946 <font class="comment">// Time-out value for select (it can be long because we do not do any thing else in this thread)</font>
00947 timeval tv;
00948 <font class="preprocessor">#if defined NL_OS_UNIX</font>
00949 <font class="preprocessor"></font> <font class="comment">// POLL7</font>
00950 nice( 2 );
00951 <font class="preprocessor">#endif // NL_OS_UNIX</font>
00952 <font class="preprocessor"></font>
00953 <font class="comment">// Copy of _Connections</font>
00954 vector<TSockId> connections_copy;
00955
00956 <font class="keywordflow">while</font> ( ! <a class="code" href="classNLNET_1_1CServerTask.html#b1">exitRequired</a>() )
00957 {
00958 <font class="comment">// 1. Remove closed connections</font>
00959 <a class="code" href="classNLNET_1_1CServerReceiveTask.html#a5">clearClosedConnections</a>();
00960
00961 <font class="comment">// POLL8</font>
00962
00963 <font class="comment">// 2-SELECT-VERSION : select() on the sockets handled in the present thread</font>
00964
00965 descmax = 0;
00966 FD_ZERO( &readers );
00967 <font class="keywordtype">bool</font> skip;
00968 <font class="keywordtype">bool</font> alldisconnected = <font class="keyword">true</font>;
00969 CConnections::iterator ipb;
00970 {
00971 <font class="comment">// Lock _Connections</font>
00972 CSynchronized<CConnections>::CAccessor connectionssync( &<a class="code" href="classNLNET_1_1CServerReceiveTask.html#o1">_Connections</a> );
00973
00974 <font class="comment">// Prepare to avoid select if there is no connection</font>
00975 skip = connectionssync.value().empty();
00976
00977 <font class="comment">// Fill the select array and copy _Connections</font>
00978 connections_copy.clear();
00979 <font class="keywordflow">for</font> ( ipb=connectionssync.value().begin(); ipb!=connectionssync.value().end(); ++ipb )
00980 {
00981 <font class="keywordflow">if</font> ( (*ipb)->Sock->connected() ) <font class="comment">// exclude disconnected sockets that are not deleted</font>
00982 {
00983 alldisconnected = <font class="keyword">false</font>;
00984 <font class="comment">// Copy _Connections element</font>
00985 connections_copy.push_back( *ipb );
00986
00987 <font class="comment">// Add socket descriptor to the select array</font>
00988 FD_SET( (*ipb)->Sock->descriptor(), &readers );
00989
00990 <font class="comment">// Calculate descmax for select</font>
00991 <font class="keywordflow">if</font> ( (*ipb)->Sock->descriptor() > descmax )
00992 {
00993 descmax = (*ipb)->Sock->descriptor();
00994 }
00995 }
00996 }
00997
00998 <font class="preprocessor">#ifdef NL_OS_UNIX</font>
00999 <font class="preprocessor"></font> <font class="comment">// Add the wake-up pipe into the select array</font>
01000 FD_SET( _WakeUpPipeHandle[PipeRead], &readers );
01001 <font class="keywordflow">if</font> ( _WakeUpPipeHandle[PipeRead]>descmax )
01002 {
01003 descmax = _WakeUpPipeHandle[PipeRead];
01004 }
01005 <font class="preprocessor">#endif</font>
01006 <font class="preprocessor"></font>
01007 <font class="comment">// Unlock _Connections, use connections_copy instead</font>
01008 }
01009
01010 <font class="preprocessor">#ifndef NL_OS_UNIX</font>
01011 <font class="preprocessor"></font> <font class="comment">// Avoid select if there is no connection (Windows only)</font>
01012 <font class="keywordflow">if</font> ( skip || alldisconnected )
01013 {
01014 <a class="code" href="namespaceNLMISC.html#a236">nlSleep</a>( 1 ); <font class="comment">// nice</font>
01015 <font class="keywordflow">continue</font>;
01016 }
01017 <font class="preprocessor">#endif</font>
01018 <font class="preprocessor"></font>
01019 <font class="preprocessor">#ifdef NL_OS_WINDOWS</font>
01020 <font class="preprocessor"></font> tv.tv_sec = 0; <font class="comment">// short time because the newly added connections can't be added to the select fd_set</font>
01021 tv.tv_usec = 10000; <font class="comment">// NEW: set to 500ms because otherwise new connections handling are too slow</font>
01022 <font class="preprocessor">#elif defined NL_OS_UNIX</font>
01023 <font class="preprocessor"></font> <font class="comment">// POLL7</font>
01024 tv.tv_sec = 3600; <font class="comment">// 1 hour (=> 1 select every 3.6 second for 1000 connections)</font>
01025 tv.tv_usec = 0;
01026 <font class="preprocessor">#endif // NL_OS_WINDOWS</font>
01027 <font class="preprocessor"></font>
01028 <font class="comment">// Call select</font>
01029 <font class="keywordtype">int</font> <a class="code" href="driver__opengl__extension__def_8h.html#a400">res</a> = ::select( descmax+1, &readers, NULL, NULL, &tv );
01030
01031 <font class="comment">// POLL9</font>
01032
01033 <font class="comment">// 3. Test the result</font>
01034 <font class="keywordflow">switch</font> ( res )
01035 {
01036 <font class="keywordflow">case</font> 0 : <font class="keywordflow">continue</font>; <font class="comment">// time-out expired, no results</font>
01037
01039 <font class="keywordflow">case</font> -1 :
01040 <font class="comment">// we'll ignore message (Interrupted system call) caused by a CTRL-C</font>
01041 <font class="comment">/*if (CSock::getLastError() == 4)</font>
01042 <font class="comment"> {</font>
01043 <font class="comment"> nldebug ("LNETL1: Select failed (in receive thread): %s (code %u) but IGNORED", CSock::errorString( CSock::getLastError() ).c_str(), CSock::getLastError());</font>
01044 <font class="comment"> continue;</font>
01045 <font class="comment"> }*/</font>
01046 <font class="comment">//nlerror( "LNETL1: Select failed (in receive thread): %s (code %u)", CSock::errorString( CSock::getLastError() ).c_str(), CSock::getLastError() );</font>
01047 <a class="code" href="debug_8h.html#a0">nldebug</a>( <font class="stringliteral">"LNETL1: Select failed (in receive thread): %s (code %u)"</font>, CSock::errorString( CSock::getLastError() ).c_str(), CSock::getLastError() );
01048 <font class="keywordflow">return</font>;
01049 }
01050
01051 <font class="comment">// 4. Get results</font>
01052
01053 vector<TSockId>::iterator ic;
01054 <font class="keywordflow">for</font> ( ic=connections_copy.begin(); ic!=connections_copy.end(); ++ic )
01055 {
01056 <font class="keywordflow">if</font> ( FD_ISSET( (*ic)->Sock->descriptor(), &readers ) != 0 )
01057 {
01058 CServerBufSock *serverbufsock = static_cast<CServerBufSock*>(static_cast<CBufSock*>(*ic));
01059 <font class="keywordflow">try</font>
01060 {
01061 <font class="comment">// 4. Receive data</font>
01062 <font class="keywordflow">if</font> ( serverbufsock->receivePart() )
01063 {
01064 <font class="comment">// Copy sockid</font>
01065 vector<uint8> hidvec;
01066 hidvec.resize( <font class="keyword">sizeof</font>(<a class="code" href="namespaceNLNET.html#a0">TSockId</a>)+1 );
01067 memcpy( &*hidvec.begin(), &(*ic), <font class="keyword">sizeof</font>(TSockId) );
01068
01069 <font class="comment">// Add event type to hidvec</font>
01070 hidvec[<font class="keyword">sizeof</font>(TSockId)] = (uint8)CBufNetBase::User;
01071
01072 <font class="comment">// Push message into receive queue</font>
01073 <font class="comment">//uint32 bufsize;</font>
01074 <font class="comment">//sint32 mbsize;</font>
01075 {
01076 <font class="comment">//nldebug( "RCV: Acquiring the receive queue... ");</font>
01077 <a class="code" href="namespaceNLNET.html#a5">CFifoAccessor</a> recvfifo( &<a class="code" href="classNLNET_1_1CServerReceiveTask.html#o0">_Server</a>->receiveQueue() );
01078 <font class="comment">//nldebug( "RCV: Acquired, pushing the received buffer... ");</font>
01079 recvfifo.value().push( serverbufsock->receivedBuffer(), hidvec );
01080 <a class="code" href="classNLNET_1_1CServerReceiveTask.html#o0">_Server</a>->setDataAvailableFlag( <font class="keyword">true</font> );
01081 <font class="comment">//nldebug( "RCV: Pushed, releasing the receive queue..." );</font>
01082 <font class="comment">//recvfifo.value().display();</font>
01083 <font class="comment">//bufsize = serverbufsock->receivedBuffer().size();</font>
01084 <font class="comment">//mbsize = recvfifo.value().size() / 1048576;</font>
01085 }
01086 <font class="comment">//nldebug( "RCV: Released." );</font>
01087 <font class="comment">/*if ( mbsize > 1 )</font>
01088 <font class="comment"> {</font>
01089 <font class="comment"> nlwarning( "The receive queue size exceeds %d MB", mbsize );</font>
01090 <font class="comment"> }*/</font>
01091 <font class="comment">/*</font>
01092 <font class="comment"> // Statistics</font>
01093 <font class="comment"> {</font>
01094 <font class="comment"> CSynchronized<uint32>::CAccessor syncbpi ( &_Server->syncBytesPushedIn() );</font>
01095 <font class="comment"> syncbpi.value() += bufsize;</font>
01096 <font class="comment"> }</font>
01097 <font class="comment"> */</font>
01098 }
01099 }
01100 <font class="keywordflow">catch</font> ( ESocketConnectionClosed& )
01101 {
01102 <a class="code" href="debug_8h.html#a0">nldebug</a>( <font class="stringliteral">"LNETL1: Connection %s closed"</font>, serverbufsock->asString().c_str() );
01103 <font class="comment">// The socket went to _Connected=false when throwing the exception</font>
01104 }
01105 <font class="keywordflow">catch</font> ( ESocket& )
01106 {
01107 <a class="code" href="debug_8h.html#a0">nldebug</a>( <font class="stringliteral">"LNETL1: Connection %s broken"</font>, serverbufsock->asString().c_str() );
01108 (*ic)->Sock->disconnect();
01109 }
01110 <font class="comment">/*</font>
01111 <font class="comment">#ifdef NL_OS_UNIX</font>
01112 <font class="comment"> skip = true; // don't check _WakeUpPipeHandle (yes, check it to read any written byte)</font>
01113 <font class="comment">#endif</font>
01114 <font class="comment"></font>
01115 <font class="comment">*/</font>
01116 }
01117
01118 }
01119
01120 <font class="preprocessor">#ifdef NL_OS_UNIX</font>
01121 <font class="preprocessor"></font> <font class="comment">// Test wake-up pipe</font>
01122 <font class="keywordflow">if</font> ( (!skip) && (FD_ISSET( _WakeUpPipeHandle[PipeRead], &readers )) )
01123 {
01124 uint8 b;
01125 <font class="keywordflow">if</font> ( read( _WakeUpPipeHandle[PipeRead], &b, 1 ) == -1 ) <font class="comment">// we were woken-up by the wake-up pipe</font>
01126 {
01127 <a class="code" href="debug_8h.html#a0">nldebug</a>( <font class="stringliteral">"LNETL1: In CServerReceiveTask::run(): read() failed"</font> );
01128 }
01129 <a class="code" href="debug_8h.html#a0">nldebug</a>( <font class="stringliteral">"LNETL1: Receive thread select woken-up"</font> );
01130 }
01131 <font class="preprocessor">#endif</font>
01132 <font class="preprocessor"></font>
01133 }
01134 <a class="code" href="buf__sock_8h.html#a0">nlnettrace</a>( <font class="stringliteral">"Exiting CServerReceiveTask::run"</font> );
01135 }
01136
01137
01138 <font class="comment">/*</font>
01139 <font class="comment"> * Delete all connections referenced in the remove list (double-mutexed)</font>
01140 <font class="comment"> */</font>
01141
<a name="l01142"></a><a class="code" href="classNLNET_1_1CServerReceiveTask.html#a5">01142</a> <font class="keywordtype">void</font> CServerReceiveTask::clearClosedConnections()
01143 {
01144 CConnections::iterator ic;
01145 {
01146 NLMISC::CSynchronized<CConnections>::CAccessor removesetsync( &<a class="code" href="classNLNET_1_1CServerReceiveTask.html#o2">_RemoveSet</a> );
01147 {
01148 <font class="keywordflow">if</font> ( ! removesetsync.value().empty() )
01149 {
01150 <font class="comment">// Delete closed connections</font>
01151 NLMISC::CSynchronized<CConnections>::CAccessor connectionssync( &<a class="code" href="classNLNET_1_1CServerReceiveTask.html#o1">_Connections</a> );
01152 <font class="keywordflow">for</font> ( ic=removesetsync.value().begin(); ic!=removesetsync.value().end(); ++ic )
01153 {
01154 <a class="code" href="debug_8h.html#a0">nldebug</a>( <font class="stringliteral">"LNETL1: Removing a connection"</font> );
01155
01156 <a class="code" href="namespaceNLNET.html#a0">TSockId</a> sid = (*ic);
01157
01158 <font class="comment">// Remove from the connection list</font>
01159 connectionssync.value().erase( *ic );
01160
01161 <font class="comment">// Delete the socket object</font>
01162 <font class="keyword">delete</font> sid;
01163 }
01164 <font class="comment">// Clear remove list</font>
01165 removesetsync.value().clear();
01166 }
01167 }
01168 }
01169 }
01170
01171
01172 } <font class="comment">// NLNET</font>
</pre></div>
<!-- footer -->
<BR><FONT Size=+5> </FONT>
</TD>
<TD WIDTH=15><IMG SRC=http://www.nevrax.org/inc/img/pixel.gif WIDTH=15 HEIGHT=15 BORDER=0 ALT=""></TD>
</TR>
</TABLE>
</BODY>
</HTML>
|