blob: ff84f5117dd55826154e8582a5a0b4559e3d0848 (
plain) (
blame)
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
|
// Copyright 2017 Yahoo Holdings. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.vespavisit;
import com.yahoo.documentapi.ProgressToken;
import com.yahoo.documentapi.VisitorControlHandler;
import com.yahoo.documentapi.VisitorDataHandler;
import com.yahoo.vdslib.VisitorStatistics;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.Date;
import java.util.TimeZone;
import java.text.DateFormat;
import java.text.DecimalFormat;
import java.text.SimpleDateFormat;
/**
* An abstract class that can be subclassed by different visitor handlers.
*
* @author <a href="mailto:thomasg@yahoo-inc.com">Thomas Gundersen</a>
*/
public abstract class VdsVisitHandler {
boolean showProgress;
boolean showStatistics;
boolean abortOnClusterDown;
boolean lastLineIsProgress = false;
String lastPercentage;
final Object printLock = new Object();
protected String progressFileName = "";
final VisitorControlHandler controlHandler = new ControlHandler();
public VdsVisitHandler(boolean showProgress, boolean showStatistics, boolean abortOnClusterDown)
{
this.showProgress = showProgress;
this.showStatistics = showStatistics;
this.abortOnClusterDown = abortOnClusterDown;
}
public boolean getShowProgress() {
return showProgress;
}
public boolean getShowStatistics() {
return showStatistics;
}
public boolean getAbortOnClusterDown() {
return abortOnClusterDown;
}
public boolean getLastLineIsProgress() {
return lastLineIsProgress;
}
public void setLastLineIsProgress(boolean isProgress) {
lastLineIsProgress = isProgress;
}
public String getLastPercentage() {
return lastPercentage;
}
public void setLastPercentage(String lastPercentage) {
this.lastPercentage = lastPercentage;
}
public Object getPrintLock() {
return printLock;
}
public void onDone() {
}
public String getProgressFileName() {
return progressFileName;
}
public void setProgressFileName(String progressFileName) {
this.progressFileName = progressFileName;
}
public VisitorControlHandler getControlHandler() { return controlHandler; }
public abstract VisitorDataHandler getDataHandler();
class ControlHandler extends VisitorControlHandler {
VisitorStatistics statistics;
public void onProgress(ProgressToken token) {
if (progressFileName.length() > 0) {
try {
synchronized (token) {
File file = new File(progressFileName + ".tmp");
FileOutputStream fos = new FileOutputStream(file);
fos.write(token.toString().getBytes());
fos.close();
file.renameTo(new File(progressFileName));
}
}
catch (IOException e) {
e.printStackTrace();
}
}
if (showProgress) {
synchronized (printLock) {
DecimalFormat df = new DecimalFormat("#.#");
String percentage = df.format(token.percentFinished());
if (!percentage.equals(lastPercentage)) {
if (lastLineIsProgress) {
System.err.print('\r');
}
System.err.print(percentage + " % finished.");
lastLineIsProgress = true;
lastPercentage = percentage;
}
}
}
super.onProgress(token);
}
@Override
public void onVisitorStatistics(VisitorStatistics visitorStatistics) {
statistics = visitorStatistics;
}
private String getDateTime() {
DateFormat dateFormat =
new SimpleDateFormat("yyyy-MM-dd HH:mm:ss zzz");
dateFormat.setTimeZone(TimeZone.getTimeZone("UTC"));
Date date = new Date();
return dateFormat.format(date);
}
public void onVisitorError(String message) {
synchronized (printLock) {
if (lastLineIsProgress) {
System.err.print('\r');
lastLineIsProgress = false;
}
System.err.println("Visitor error (" + getDateTime() + "): " +
message);
if (abortOnClusterDown &&
!isDone() &&
(message.lastIndexOf("Could not resolve")>=0 ||
message.lastIndexOf("don't allow external load")>=0)) {
System.err.println("Aborting visitor as " +
"--abortonclusterdown flag is set.");
abort();
}
}
}
public void onDone(CompletionCode code, String message) {
if (lastLineIsProgress) {
System.err.print('\n');
lastLineIsProgress = false;
}
if (code != CompletionCode.SUCCESS) {
if (code == CompletionCode.ABORTED) {
System.err.println("Visitor aborted: " + message);
} else if (code == CompletionCode.TIMEOUT) {
System.err.println("Visitor timed out: " + message);
} else {
System.err.println("Visitor aborted due to unknown issue "
+ code + ": " + message);
}
} else {
if (showProgress) {
System.err.println("Completed visiting.");
}
if (showStatistics) {
System.err.println("*** Visitor statistics");
System.err.println(statistics == null ? "Nothing visited" : statistics.toString());
}
}
super.onDone(code, message);
}
}
}
|
