/
STATS.java
198 lines (163 loc) · 5.87 KB
/
STATS.java
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
package org.jgroups.protocols;
import org.jgroups.stack.Protocol;
import org.jgroups.Event;
import org.jgroups.Message;
import org.jgroups.Address;
import org.jgroups.View;
import java.util.*;
/**
* Provides various stats
* @author Bela Ban
* @version $Id: STATS.java,v 1.3 2006/01/14 14:00:38 belaban Exp $
*/
public class STATS extends Protocol {
long sent_msgs, sent_bytes, sent_ucasts, sent_mcasts, received_ucasts, received_mcasts;
long received_msgs, received_bytes, sent_ucast_bytes, sent_mcast_bytes, received_ucast_bytes, received_mcast_bytes;
/** HashMap<Address,Entry>, maintains stats per target destination */
HashMap sent=new HashMap();
/** HashMap<Address,Entry>, maintains stats per receiver */
HashMap received=new HashMap();
static final short UP=1;
static final short DOWN=2;
public String getName() {
return "STATS";
}
public boolean setProperties(Properties props) {
super.setProperties(props);
down_thread=false; // never use a down thread
up_thread=false; // never use an up thread
if(props.size() > 0) {
log.error("the following properties are not recognized: " + props);
return false;
}
return true;
}
public void resetStats() {
sent_msgs=sent_bytes=sent_ucasts=sent_mcasts=received_ucasts=received_mcasts=0;
received_msgs=received_bytes=sent_ucast_bytes=sent_mcast_bytes=received_ucast_bytes=received_mcast_bytes=0;
sent.clear();
received.clear();
}
public long getSentMessages() {return sent_msgs;}
public long getSentBytes() {return sent_bytes;}
public long getSentUnicastMessages() {return sent_ucasts;}
public long getSentUnicastBytes() {return sent_ucast_bytes;}
public long getSentMcastMessages() {return sent_mcasts;}
public long getSentMcastBytes() {return sent_mcast_bytes;}
public long getReceivedMessages() {return received_msgs;}
public long getReceivedBytes() {return received_bytes;}
public long getReceivedUnicastMessages() {return received_ucasts;}
public long getReceivedUnicastBytes() {return received_ucast_bytes;}
public long getReceivedMcastMessages() {return received_mcasts;}
public long getReceivedMcastBytes() {return received_mcast_bytes;}
public void up(Event evt) {
if(evt.getType() == Event.MSG) {
Message msg=(Message)evt.getArg();
updateStats(msg, UP);
}
else if(evt.getType() == Event.VIEW_CHANGE) {
handleViewChange((View)evt.getArg());
}
passUp(evt);
}
public void down(Event evt) {
if(evt.getType() == Event.MSG) {
Message msg=(Message)evt.getArg();
updateStats(msg, DOWN);
}
else if(evt.getType() == Event.VIEW_CHANGE) {
handleViewChange((View)evt.getArg());
}
passDown(evt);
}
public String printStats() {
Map.Entry entry;
Object key, val;
StringBuffer sb=new StringBuffer();
sb.append("sent:\n");
for(Iterator it=sent.entrySet().iterator(); it.hasNext();) {
entry=(Map.Entry)it.next();
key=entry.getKey();
if(key == null) key="<mcast dest>";
val=entry.getValue();
sb.append(key).append(": ").append(val).append("\n");
}
sb.append("\nreceived:\n");
for(Iterator it=received.entrySet().iterator(); it.hasNext();) {
entry=(Map.Entry)it.next();
key=entry.getKey();
val=entry.getValue();
sb.append(key).append(": ").append(val).append("\n");
}
return sb.toString();
}
private void handleViewChange(View view) {
Vector members=view.getMembers();
Set tmp=new LinkedHashSet(members);
tmp.add(null); // for null destination (= mcast)
sent.keySet().retainAll(tmp);
received.keySet().retainAll(tmp);
}
private void updateStats(Message msg, short direction) {
int length;
HashMap map;
boolean mcast;
Address dest, src;
if(msg == null) return;
length=msg.getLength();
dest=msg.getDest();
src=msg.getSrc();
mcast=dest == null || dest.isMulticastAddress();
if(direction == UP) { // received
received_msgs++;
received_bytes+=length;
if(mcast) {
received_mcasts++;
received_mcast_bytes+=length;
}
else {
received_ucasts++;
received_ucast_bytes+=length;
}
}
else { // sent
sent_msgs++;
sent_bytes+=length;
if(mcast) {
sent_mcasts++;
sent_mcast_bytes+=length;
}
else {
sent_ucasts++;
sent_ucast_bytes+=length;
}
}
Address key=direction == UP? src : dest;
map=direction == UP? received : sent;
Entry entry=(Entry)map.get(key);
if(entry == null) {
entry=new Entry();
map.put(key, entry);
}
entry.msgs++;
entry.bytes+=length;
if(mcast) {
entry.mcasts++;
entry.mcast_bytes+=length;
}
else {
entry.ucasts++;
entry.ucast_bytes+=length;
}
}
static class Entry {
long msgs, bytes, ucasts, mcasts, ucast_bytes, mcast_bytes;
public String toString() {
StringBuffer sb=new StringBuffer();
sb.append(msgs).append(" (").append(bytes).append(" bytes)");
sb.append(": ").append(ucasts).append(" ucasts (").append(ucast_bytes).append(" bytes), ");
sb.append(mcasts).append(" mcasts (").append(mcast_bytes).append(" bytes)");
return sb.toString();
}
}
}