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
|
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html><head><meta http-equiv="Content-Type" content="text/html;charset=iso-8859-1">
<title>OmniEvents: SupplierAdmin.cc Source File</title>
<link href="doxygen.css" rel="stylesheet" type="text/css">
</head><body>
<!-- Generated by Doxygen 1.4.3-20050530 -->
<div class="qindex"><a class="qindex" href="main.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="annotated.html">Class List</a> | <a class="qindex" href="dirs.html">Directories</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">Class Members</a> | <a class="qindex" href="globals.html">File Members</a></div>
<div class="nav">
<a class="el" href="dir_000000.html">src</a></div>
<h1>SupplierAdmin.cc</h1><a href="a00137.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">// Package : omniEvents</span>
<a name="l00002"></a>00002 <span class="comment">// SupplierAdmin.h Created : 2003/12/04</span>
<a name="l00003"></a>00003 <span class="comment">// Author : Alex Tingle</span>
<a name="l00004"></a>00004 <span class="comment">//</span>
<a name="l00005"></a>00005 <span class="comment">// Copyright (C) 2003-2005 Alex Tingle.</span>
<a name="l00006"></a>00006 <span class="comment">//</span>
<a name="l00007"></a>00007 <span class="comment">// This file is part of the omniEvents application.</span>
<a name="l00008"></a>00008 <span class="comment">//</span>
<a name="l00009"></a>00009 <span class="comment">// omniEvents is free software; you can redistribute it and/or</span>
<a name="l00010"></a>00010 <span class="comment">// modify it under the terms of the GNU Lesser General Public</span>
<a name="l00011"></a>00011 <span class="comment">// License as published by the Free Software Foundation; either</span>
<a name="l00012"></a>00012 <span class="comment">// version 2.1 of the License, or (at your option) any later version.</span>
<a name="l00013"></a>00013 <span class="comment">//</span>
<a name="l00014"></a>00014 <span class="comment">// omniEvents is distributed in the hope that it will be useful,</span>
<a name="l00015"></a>00015 <span class="comment">// but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
<a name="l00016"></a>00016 <span class="comment">// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</span>
<a name="l00017"></a>00017 <span class="comment">// Lesser General Public License for more details.</span>
<a name="l00018"></a>00018 <span class="comment">//</span>
<a name="l00019"></a>00019 <span class="comment">// You should have received a copy of the GNU Lesser General Public</span>
<a name="l00020"></a>00020 <span class="comment">// License along with this library; if not, write to the Free Software</span>
<a name="l00021"></a>00021 <span class="comment">// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA</span>
<a name="l00022"></a>00022 <span class="comment">//</span>
<a name="l00023"></a>00023
<a name="l00024"></a>00024 <span class="preprocessor">#include "<a class="code" href="a00138.html">SupplierAdmin.h</a>"</span>
<a name="l00025"></a>00025
<a name="l00026"></a>00026 <span class="preprocessor">#include "<a class="code" href="a00094.html">EventChannel.h</a>"</span>
<a name="l00027"></a>00027 <span class="preprocessor">#include "<a class="code" href="a00126.html">ProxyPushConsumer.h</a>"</span>
<a name="l00028"></a>00028 <span class="preprocessor">#include "<a class="code" href="a00122.html">ProxyPullConsumer.h</a>"</span>
<a name="l00029"></a>00029 <span class="preprocessor">#include "<a class="code" href="a00116.html">Orb.h</a>"</span>
<a name="l00030"></a>00030 <span class="preprocessor">#include "<a class="code" href="a00118.html">PersistNode.h</a>"</span>
<a name="l00031"></a>00031
<a name="l00032"></a><a class="code" href="a00137.html#a0">00032</a> <span class="preprocessor">#define MILLION 1000000</span>
<a name="l00033"></a><a class="code" href="a00137.html#a1">00033</a> <span class="preprocessor"></span><span class="preprocessor">#define BILLION 1000000000</span>
<a name="l00034"></a>00034 <span class="preprocessor"></span>
<a name="l00035"></a>00035 <span class="keyword">namespace </span>OmniEvents {
<a name="l00036"></a>00036
<a name="l00037"></a>00037 CosEventChannelAdmin::ProxyPushConsumer_ptr
<a name="l00038"></a><a class="code" href="a00076.html#a0">00038</a> <a class="code" href="a00076.html#a0">SupplierAdmin_i::obtain_push_consumer</a>()
<a name="l00039"></a>00039 {
<a name="l00040"></a>00040 <span class="keywordflow">return</span> <a class="code" href="a00076.html#r1">_pushConsumer</a>-><a class="code" href="a00067.html#a6">createObject</a>();
<a name="l00041"></a>00041 }
<a name="l00042"></a>00042
<a name="l00043"></a>00043
<a name="l00044"></a>00044 CosEventChannelAdmin::ProxyPullConsumer_ptr
<a name="l00045"></a><a class="code" href="a00076.html#a1">00045</a> <a class="code" href="a00076.html#a1">SupplierAdmin_i::obtain_pull_consumer</a>()
<a name="l00046"></a>00046 {
<a name="l00047"></a>00047 <span class="keywordflow">if</span>(!<a class="code" href="a00076.html#r2">_pullConsumer</a>)
<a name="l00048"></a>00048 <a class="code" href="a00076.html#r2">_pullConsumer</a>=<span class="keyword">new</span> <a class="code" href="a00064.html">ProxyPullConsumerManager</a>(<a class="code" href="a00073.html#p0">_poa</a>,<a class="code" href="a00076.html#r3">_queue</a>);
<a name="l00049"></a>00049 <span class="keywordflow">return</span> <a class="code" href="a00076.html#r2">_pullConsumer</a>-><a class="code" href="a00064.html#a3">createObject</a>();
<a name="l00050"></a>00050 }
<a name="l00051"></a>00051
<a name="l00052"></a>00052
<a name="l00053"></a><a class="code" href="a00076.html#a2">00053</a> <a class="code" href="a00076.html#a2">SupplierAdmin_i::SupplierAdmin_i</a>(
<a name="l00054"></a>00054 <span class="keyword">const</span> <a class="code" href="a00046.html">EventChannel_i</a>& channel,
<a name="l00055"></a>00055 PortableServer::POA_ptr poa
<a name="l00056"></a>00056 )
<a name="l00057"></a>00057 : <a class="code" href="a00073.html">Servant</a>(poa),
<a name="l00058"></a>00058 _channel(channel),
<a name="l00059"></a>00059 _pushConsumer(NULL),
<a name="l00060"></a>00060 _pullConsumer(NULL),
<a name="l00061"></a>00061 _queue(),
<a name="l00062"></a>00062 _nextPull(0,0)
<a name="l00063"></a>00063 {
<a name="l00064"></a>00064 <span class="comment">// Initialise _nextPull. Only set it if the cycle period is LESS than the</span>
<a name="l00065"></a>00065 <span class="comment">// pull retry period - otherwise just pull every cycle.</span>
<a name="l00066"></a>00066 <span class="keywordflow">if</span>(<a class="code" href="a00076.html#r0">_channel</a>.<a class="code" href="a00046.html#a15">pullRetryPeriod_ms</a>() > (<a class="code" href="a00076.html#r0">_channel</a>.<a class="code" href="a00046.html#a18">cyclePeriod_ns</a>()/<a class="code" href="a00137.html#a0">MILLION</a>))
<a name="l00067"></a>00067 {
<a name="l00068"></a>00068 omni_thread::get_time(&(<a class="code" href="a00076.html#r4">_nextPull</a>.first),&(<a class="code" href="a00076.html#r4">_nextPull</a>.second));
<a name="l00069"></a>00069 }
<a name="l00070"></a>00070
<a name="l00071"></a>00071 <span class="comment">// Always create the ProxyPushConsumer_i default servant. This allows</span>
<a name="l00072"></a>00072 <span class="comment">// lazy clients to connect suppliers without having to go through the</span>
<a name="l00073"></a>00073 <span class="comment">// proper procedure - they can make up an appropriate ObjectId, call push()</span>
<a name="l00074"></a>00074 <span class="comment">// and it will just work (TM).</span>
<a name="l00075"></a>00075 <span class="comment">// Note: A SupplierAdmin_i is always created by the EventChannel to allow this</span>
<a name="l00076"></a>00076 <span class="comment">// behaviour.</span>
<a name="l00077"></a>00077 <a class="code" href="a00076.html#r1">_pushConsumer</a>=<span class="keyword">new</span> <a class="code" href="a00067.html">ProxyPushConsumer_i</a>(<a class="code" href="a00073.html#p0">_poa</a>,<a class="code" href="a00076.html#r3">_queue</a>,<a class="code" href="a00076.html#r0">_channel</a>.<a class="code" href="a00046.html#a13">consumerAdmin</a>());
<a name="l00078"></a>00078
<a name="l00079"></a>00079 <a class="code" href="a00073.html#b1">activateObjectWithId</a>(<span class="stringliteral">"SupplierAdmin"</span>);
<a name="l00080"></a>00080 }
<a name="l00081"></a>00081
<a name="l00082"></a>00082
<a name="l00083"></a><a class="code" href="a00076.html#a3">00083</a> <a class="code" href="a00076.html#a3">SupplierAdmin_i::~SupplierAdmin_i</a>()
<a name="l00084"></a>00084 {
<a name="l00085"></a>00085 <a class="code" href="a00116.html#a2">DB</a>(20,<span class="stringliteral">"~SupplierAdmin_i()"</span>)
<a name="l00086"></a>00086 <span class="keywordflow">if</span>(<a class="code" href="a00076.html#r2">_pullConsumer</a>)
<a name="l00087"></a>00087 {
<a name="l00088"></a>00088 <a class="code" href="a00076.html#r2">_pullConsumer</a>->_remove_ref();
<a name="l00089"></a>00089 <a class="code" href="a00076.html#r2">_pullConsumer</a>=NULL;
<a name="l00090"></a>00090 }
<a name="l00091"></a>00091 <span class="keywordflow">if</span>(<a class="code" href="a00076.html#r1">_pushConsumer</a>)
<a name="l00092"></a>00092 {
<a name="l00093"></a>00093 <span class="keyword">delete</span> <a class="code" href="a00076.html#r1">_pushConsumer</a>;
<a name="l00094"></a>00094 <a class="code" href="a00076.html#r1">_pushConsumer</a>=NULL;
<a name="l00095"></a>00095 }
<a name="l00096"></a>00096 <span class="keywordflow">for</span>(list<CORBA::Any*>::iterator i=<a class="code" href="a00076.html#r3">_queue</a>.begin(); i!=<a class="code" href="a00076.html#r3">_queue</a>.end(); ++i)
<a name="l00097"></a>00097 <span class="keyword">delete</span> *i;
<a name="l00098"></a>00098 }
<a name="l00099"></a>00099
<a name="l00100"></a>00100
<a name="l00101"></a>00101 <a class="code" href="a00136.html#a3">OMNIEVENTS__DEBUG_REF_COUNTS__DEFN</a>(<a class="code" href="a00076.html">SupplierAdmin_i</a>)
<a name="l00102"></a>00102
<a name="l00103"></a>00103
<a name="l00104"></a><a class="code" href="a00076.html#a4">00104</a> void <a class="code" href="a00076.html">SupplierAdmin_i</a>::collect(list<CORBA::Any*>& events)
<a name="l00105"></a>00105 {
<a name="l00106"></a>00106 <span class="keywordflow">if</span>(_pullConsumer)
<a name="l00107"></a>00107 {
<a name="l00108"></a>00108 _pullConsumer->collect();
<a name="l00109"></a>00109 <span class="keywordflow">if</span>(0==_nextPull.first)
<a name="l00110"></a>00110 { <span class="comment">// No delay between pulls.</span>
<a name="l00111"></a>00111 _pullConsumer->triggerRequest();
<a name="l00112"></a>00112 }
<a name="l00113"></a>00113 <span class="keywordflow">else</span>
<a name="l00114"></a>00114 { <span class="comment">// Only trigger new pull() calls if `pullRetry' ms have passed.</span>
<a name="l00115"></a>00115 pair<unsigned long,unsigned long> now;
<a name="l00116"></a>00116 omni_thread::get_time(&(now.first),&(now.second));
<a name="l00117"></a>00117 <span class="keywordflow">if</span>(now>=_nextPull)
<a name="l00118"></a>00118 {
<a name="l00119"></a>00119 _pullConsumer->triggerRequest();
<a name="l00120"></a>00120
<a name="l00121"></a>00121 CORBA::ULong p =_channel.pullRetryPeriod_ms();
<a name="l00122"></a>00122 <span class="keywordflow">do</span>{
<a name="l00123"></a>00123 _nextPull.second += (p%1000)*<a class="code" href="a00137.html#a0">MILLION</a>; <span class="comment">// nsec</span>
<a name="l00124"></a>00124 _nextPull.first += p/1000 + _nextPull.second/<a class="code" href="a00137.html#a1">BILLION</a>; <span class="comment">// sec</span>
<a name="l00125"></a>00125 _nextPull.second %= <a class="code" href="a00137.html#a1">BILLION</a>; <span class="comment">// nsec</span>
<a name="l00126"></a>00126 } <span class="keywordflow">while</span>(now>=_nextPull);
<a name="l00127"></a>00127 }
<a name="l00128"></a>00128 }
<a name="l00129"></a>00129 }
<a name="l00130"></a>00130 _pushConsumer->trigger();
<a name="l00131"></a>00131 <span class="comment">// Pick up events from both pull & push consumers.</span>
<a name="l00132"></a>00132 events=_queue;
<a name="l00133"></a>00133 _queue.clear();
<a name="l00134"></a>00134 }
<a name="l00135"></a>00135
<a name="l00136"></a>00136
<a name="l00137"></a><a class="code" href="a00076.html#a5">00137</a> <span class="keywordtype">void</span> <a class="code" href="a00076.html#a5">SupplierAdmin_i::disconnect</a>()
<a name="l00138"></a>00138 {
<a name="l00139"></a>00139 <span class="keywordflow">if</span>(<a class="code" href="a00076.html#r1">_pushConsumer</a>)
<a name="l00140"></a>00140 <a class="code" href="a00076.html#r1">_pushConsumer</a>-><a class="code" href="a00067.html#a7">disconnect</a>();
<a name="l00141"></a>00141 <span class="keywordflow">if</span>(<a class="code" href="a00076.html#r2">_pullConsumer</a>)
<a name="l00142"></a>00142 <a class="code" href="a00076.html#r2">_pullConsumer</a>-><a class="code" href="a00064.html#a6">disconnect</a>();
<a name="l00143"></a>00143 }
<a name="l00144"></a>00144
<a name="l00145"></a>00145
<a name="l00146"></a><a class="code" href="a00076.html#a6">00146</a> <span class="keywordtype">void</span> <a class="code" href="a00076.html#a6">SupplierAdmin_i::reincarnate</a>(<span class="keyword">const</span> <a class="code" href="a00060.html">PersistNode</a>& node)
<a name="l00147"></a>00147 {
<a name="l00148"></a>00148 <span class="comment">// Build Push Consumer proxies</span>
<a name="l00149"></a>00149 <a class="code" href="a00060.html">PersistNode</a>* pushcNode =node.<a class="code" href="a00060.html#a13">child</a>(<span class="stringliteral">"ProxyPushConsumer"</span>);
<a name="l00150"></a>00150 <span class="keywordflow">if</span>(pushcNode && !pushcNode-><a class="code" href="a00060.html#o0">_child</a>.empty())
<a name="l00151"></a>00151 {
<a name="l00152"></a>00152 assert(<a class="code" href="a00076.html#r1">_pushConsumer</a>!=NULL);
<a name="l00153"></a>00153 <a class="code" href="a00076.html#r1">_pushConsumer</a>-><a class="code" href="a00067.html#a8">reincarnate</a>(*pushcNode);
<a name="l00154"></a>00154 }
<a name="l00155"></a>00155
<a name="l00156"></a>00156 <span class="comment">// Build Pull Consumer proxies</span>
<a name="l00157"></a>00157 <a class="code" href="a00060.html">PersistNode</a>* pullcNode =node.<a class="code" href="a00060.html#a13">child</a>(<span class="stringliteral">"ProxyPullConsumer"</span>);
<a name="l00158"></a>00158 <span class="keywordflow">if</span>(pullcNode && !pullcNode-><a class="code" href="a00060.html#o0">_child</a>.empty())
<a name="l00159"></a>00159 {
<a name="l00160"></a>00160 <span class="keywordflow">if</span>(!<a class="code" href="a00076.html#r2">_pullConsumer</a>)
<a name="l00161"></a>00161 <a class="code" href="a00076.html#r2">_pullConsumer</a>=<span class="keyword">new</span> <a class="code" href="a00064.html">ProxyPullConsumerManager</a>(<a class="code" href="a00073.html#p0">_poa</a>,<a class="code" href="a00076.html#r3">_queue</a>);
<a name="l00162"></a>00162 <a class="code" href="a00076.html#r2">_pullConsumer</a>-><a class="code" href="a00062.html#a1">reincarnate</a>(*pullcNode);
<a name="l00163"></a>00163 }
<a name="l00164"></a>00164 }
<a name="l00165"></a>00165
<a name="l00166"></a>00166
<a name="l00167"></a><a class="code" href="a00076.html#a7">00167</a> <span class="keywordtype">void</span> <a class="code" href="a00076.html#a7">SupplierAdmin_i::output</a>(ostream& os)
<a name="l00168"></a>00168 {
<a name="l00169"></a>00169 <span class="keywordflow">if</span>(<a class="code" href="a00076.html#r1">_pushConsumer</a>)
<a name="l00170"></a>00170 <a class="code" href="a00076.html#r1">_pushConsumer</a>-><a class="code" href="a00067.html#a9">output</a>(os);
<a name="l00171"></a>00171 <span class="keywordflow">if</span>(<a class="code" href="a00076.html#r2">_pullConsumer</a>)
<a name="l00172"></a>00172 <a class="code" href="a00076.html#r2">_pullConsumer</a>-><a class="code" href="a00062.html#a2">output</a>(os);
<a name="l00173"></a>00173 }
<a name="l00174"></a>00174
<a name="l00175"></a>00175
<a name="l00176"></a>00176 }; <span class="comment">// end namespace OmniEvents</span>
</pre></div><hr size="1"><address style="align: right;"><small>Generated on Fri Aug 26 20:56:14 2005 for OmniEvents by
<a href="http://www.doxygen.org/index.html">
<img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.4.3-20050530 </small></address>
</body>
</html>
|
