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
|
/*
* Oreka -- A media capture and retrieval platform
*
* Copyright (C) 2005, orecx LLC
*
* http://www.orecx.com
*
* This program is free software, distributed under the terms of
* the GNU General Public License.
* Please refer to http://www.gnu.org/copyleft/gpl.html
*
*/
package net.sf.oreka.orktrack;
import java.util.ArrayList;
import java.util.Date;
import java.util.Iterator;
import java.util.LinkedList;
import net.sf.oreka.orktrack.messages.MetadataMessage;
import net.sf.oreka.orktrack.messages.TapeMessage;
import net.sf.oreka.persistent.RecPort;
import net.sf.oreka.persistent.RecPortFace;
import net.sf.oreka.persistent.RecSegment;
import net.sf.oreka.persistent.RecTape;
import net.sf.oreka.persistent.Service;
import net.sf.oreka.persistent.User;
import org.apache.log4j.Logger;
import org.hibernate.Session;
public class Port {
public ArrayList<RecPortFace> portFaces = new ArrayList<RecPortFace>();
private RecPort recPort = null;
private TapeMessage lastTapeMessage = null;
private MetadataMessage lastMetadataMessage = null;
private User user = null;
private LinkedList<RecSegment> recSegments = new LinkedList<RecSegment> ();
private LinkedList<RecTape> recTapes = new LinkedList<RecTape> ();
static Logger logger = Logger.getLogger(ProgramManager.class);
public Port(RecPort recPort) {
this.recPort = recPort;
}
private synchronized void addTapeToLocalCache(RecTape tape) {
if (recTapes.size() > 50) {
recTapes.removeLast();
}
recTapes.addFirst(tape);
}
private synchronized void addSegmentToLocalCache(RecSegment seg) {
if (recSegments.size() > 50) {
recSegments.removeLast();
}
recSegments.addFirst(seg);
}
private boolean areTogether(RecTape tape, RecSegment seg) {
boolean result = false;
long segStartTime = seg.getTimestamp().getTime();
long tapeStartTime = tape.getTimestamp().getTime();
long segStopTime = segStartTime + seg.getDuration();
long tapeStopTime = tapeStartTime + tape.getDuration();
if( segStartTime > tapeStartTime ||
(tapeStartTime - segStartTime) < 3000 ) {
if ( segStopTime < tapeStopTime ||
(segStopTime-tapeStopTime) < 3000 ) {
result = true;
}
}
return result;
}
private void joinTogether(RecTape tape, RecSegment seg, Session hbnSession) {
seg.setRecTape(tape);
seg.setRecTapeOffset(seg.getTimestamp().getTime() - tape.getTimestamp().getTime());
hbnSession.save(seg);
}
private synchronized void findAndAssociateTape(RecSegment segment, Session hbnSession) {
// Iterate over tapes and find the ones corresponding to this segment
Iterator<RecTape> it = recTapes.iterator();
boolean foundOne = false;
boolean done = false;
while (it.hasNext() && !done) {
RecTape tape = it.next();
if (areTogether(tape, segment)) {
joinTogether(tape, segment, hbnSession);
logger.info("#" + recPort.getId() + ": associating segment:" + segment.getId() + " with tape:" + tape.getId());
foundOne = true;
}
else {
if (foundOne) {
done = true;
}
}
}
}
private synchronized void findAndAssociateSegment(RecTape tape, Session hbnSession) {
// Iterate over segments and find the ones corresponding to this tape
Iterator<RecSegment> it = recSegments.iterator();
boolean foundOne = false;
boolean done = false;
while (it.hasNext() && !done) {
RecSegment segment = it.next();
if (areTogether(tape, segment)) {
joinTogether(tape, segment, hbnSession);
logger.info("#" + recPort.getId() + ": associating segment:" + segment.getId() + " with tape:" + tape.getId());
foundOne = true;
}
else {
if (foundOne) {
done = true;
}
}
}
}
public void notifyMetadataMessage(MetadataMessage metadataMessage, Session hbnSession, Service srv) {
long duration = 0;
Date startDate = null;
if (metadataMessage.getStage() == TapeMessage.CaptureStage.START) {
lastMetadataMessage = metadataMessage;
}
else if (metadataMessage.getStage() == TapeMessage.CaptureStage.STOP) {
if (lastMetadataMessage != null) {
duration = ((long)metadataMessage.getTimestamp() - (long)lastMetadataMessage.getTimestamp())*1000;
startDate = new Date((long)lastMetadataMessage.getTimestamp()*1000);
}
}
else if (metadataMessage.getStage() == TapeMessage.CaptureStage.COMPLETE) {
duration = (long)metadataMessage.getDuration()*1000;
startDate = new Date(metadataMessage.getTimestamp()*1000);
}
if (startDate != null) {
if (srv.isRecordMaster()) {
// create segment
RecSegment recSegment = new RecSegment();
recSegment.setTimestamp(startDate);
recSegment.setDirection(metadataMessage.getDirection());
recSegment.setDuration(duration);
recSegment.setLocalParty(metadataMessage.getLocalParty());
recSegment.setLocalEntryPoint(metadataMessage.getLocalEntryPoint());
recSegment.setRecSessionOffset(0);
recSegment.setRecPort(recPort);
if(metadataMessage.getLocalParty() != "") {
User user = UserManager.instance().getByLoginString(metadataMessage.getLocalParty(), hbnSession);
recSegment.setUser(user);
}
// is this retained by a program ?
if (ProgramManager.instance().filterSegmentAgainstAllPrograms(recSegment, hbnSession)) {
// Try to find associated tape and link it to this
addSegmentToLocalCache(recSegment);
findAndAssociateTape(recSegment, hbnSession);
hbnSession.save(recSegment);
logger.info("#" + metadataMessage.getCapturePort() + ": written segment " + recSegment.getId());
}
else {
logger.info("#" + metadataMessage.getCapturePort() + ": metadata message discarded");
}
}
}
}
public void notifyTapeMessage(TapeMessage tapeMessage, Session hbnSession, Service srv) {
if (tapeMessage.getStage() == TapeMessage.CaptureStage.START) {
lastTapeMessage = tapeMessage;
}
else {
// Tape stop
if (lastTapeMessage == null) {
logger.warn("Port: notifyTapeMessage: stop without a previous tape message");
}
else if (lastTapeMessage.getStage() != TapeMessage.CaptureStage.START) {
logger.warn("Port: notifyTapeMessage: stop without a start");
}
else if (tapeMessage.getStage() == TapeMessage.CaptureStage.STOP){
boolean generateSegment = false;
if (portFaces.size() == 1 || srv.isRecordMaster()) {
generateSegment = true;
}
TapeMessage startMessage = lastTapeMessage;
TapeMessage stopMessage = tapeMessage;
//long duration = (stopMessage.getTimestamp() - startMessage.getTimestamp())*1000;
long duration = stopMessage.getDuration();
long date = ((long)startMessage.getTimestamp()) * 1000;
Date timestamp = new Date(date);
// create a new tape record
RecTape recTape = new RecTape();
recTape.setDirection(stopMessage.getDirection());
recTape.setDuration(duration);
recTape.setExpiryTimestamp(new Date());
recTape.setFilename(stopMessage.getFilename());
recTape.setLocalParty(stopMessage.getLocalParty());
recTape.setRecPort(recPort);
recTape.setRemoteParty(stopMessage.getRemoteParty());
recTape.setTimestamp(timestamp);
recTape.setService(srv);
hbnSession.save(recTape);
logger.info("#" + tapeMessage.getCapturePort() + ": written tape " + recTape.getId());
if (generateSegment) {
RecSegment recSegment = new RecSegment();
recSegment.setTimestamp(timestamp);
recSegment.setDirection(stopMessage.getDirection());
recSegment.setDuration(duration);
recSegment.setRemoteParty(stopMessage.getRemoteParty());
recSegment.setLocalParty(stopMessage.getLocalParty());
recSegment.setLocalEntryPoint(stopMessage.getLocalEntryPoint());
recSegment.setRecTape(recTape);
recSegment.setRecPort(recPort);
if(stopMessage.getLocalParty() != "") {
User user = UserManager.instance().getByLoginString(stopMessage.getLocalParty(), hbnSession);
recSegment.setUser(user);
}
if (ProgramManager.instance().filterSegmentAgainstAllPrograms(recSegment, hbnSession)) {
hbnSession.save(recSegment);
logger.info("#" + tapeMessage.getCapturePort() + ": written segment " + recSegment.getId());
}
else {
logger.info("#" + tapeMessage.getCapturePort() + ": tape message discarded"); }
}
else {
// segments are generated by metadata messages
addTapeToLocalCache(recTape);
findAndAssociateSegment(recTape, hbnSession);
}
}
}
}
public RecPort getRecPort() {
return recPort;
}
public void setRecPort(RecPort recPort) {
this.recPort = recPort;
}
public User getUser() {
return user;
}
public void setUser(User user) {
this.user = user;
}
}
|
