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1
9 package org.jrobin.core.jrrd;
10
11 import java.io.*;
12 import java.text.NumberFormat  ;
13
14
20 public class DataSource {
21
22 long offset;
23 long size;
24 String name;
25 DataSourceType type;
26 int minimumHeartbeat;
27 double minimum;
28 double maximum;
29 PDPStatusBlock pdpStatusBlock;
30
31 DataSource(RRDFile file) throws IOException {
32
33 offset = file.getFilePointer();
34 name = file.readString(Constants.DS_NAM_SIZE);
35 type = DataSourceType.get(file.readString(Constants.DST_SIZE));
36
37 file.align(8);
38
39 minimumHeartbeat = file.readInt(true);
40
41 file.align(8);
42
43 minimum = file.readDouble();
44 maximum = file.readDouble();
45
46 file.align();
48 file.skipBytes(56);
49
50 size = file.getFilePointer() - offset;
51 }
52
53 void loadPDPStatusBlock(RRDFile file) throws IOException {
54 pdpStatusBlock = new PDPStatusBlock(file);
55 }
56
57
62 public PDPStatusBlock getPDPStatusBlock() {
63 return pdpStatusBlock;
64 }
65
66
71 public int getMinimumHeartbeat() {
72 return minimumHeartbeat;
73 }
74
75
80 public double getMinimum() {
81 return minimum;
82 }
83
84
90 public DataSourceType getType() {
91 return type;
92 }
93
94
99 public double getMaximum() {
100 return maximum;
101 }
102
103
108 public String getName() {
109 return name;
110 }
111
112 void printInfo(PrintStream s, NumberFormat numberFormat) {
113
114 StringBuffer sb = new StringBuffer ("ds[");
115
116 sb.append(name);
117 s.print(sb);
118 s.print("].type = \"");
119 s.print(type);
120 s.println("\"");
121 s.print(sb);
122 s.print("].minimal_heartbeat = ");
123 s.println(minimumHeartbeat);
124 s.print(sb);
125 s.print("].min = ");
126 s.println(Double.isNaN(minimum)
127 ? "NaN"
128 : numberFormat.format(minimum));
129 s.print(sb);
130 s.print("].max = ");
131 s.println(Double.isNaN(maximum)
132 ? "NaN"
133 : numberFormat.format(maximum));
134 s.print(sb);
135 s.print("].last_ds = ");
136 s.println(pdpStatusBlock.lastReading);
137 s.print(sb);
138 s.print("].value = ");
139
140 double value = pdpStatusBlock.value;
141
142 s.println(Double.isNaN(value)
143 ? "NaN"
144 : numberFormat.format(value));
145 s.print(sb);
146 s.print("].unknown_sec = ");
147 s.println(pdpStatusBlock.unknownSeconds);
148 }
149
150 void toXml(PrintStream s) {
151
152 s.println("\t<ds>");
153 s.print("\t\t<name> ");
154 s.print(name);
155 s.println(" </name>");
156 s.print("\t\t<type> ");
157 s.print(type);
158 s.println(" </type>");
159 s.print("\t\t<minimal_heartbeat> ");
160 s.print(minimumHeartbeat);
161 s.println(" </minimal_heartbeat>");
162 s.print("\t\t<min> ");
163 s.print(minimum);
164 s.println(" </min>");
165 s.print("\t\t<max> ");
166 s.print(maximum);
167 s.println(" </max>");
168 s.println();
169 s.println("\t\t<!-- PDP Status -->");
170 s.print("\t\t<last_ds> ");
171 s.print(pdpStatusBlock.lastReading);
172 s.println(" </last_ds>");
173 s.print("\t\t<value> ");
174 s.print(pdpStatusBlock.value);
175 s.println(" </value>");
176 s.print("\t\t<unknown_sec> ");
177 s.print(pdpStatusBlock.unknownSeconds);
178 s.println(" </unknown_sec>");
179 s.println("\t</ds>");
180 s.println();
181 }
182
183
188 public String toString() {
189
190 StringBuffer sb = new StringBuffer ("[DataSource: OFFSET=0x");
191
192 sb.append(Long.toHexString(offset));
193 sb.append(", SIZE=0x");
194 sb.append(Long.toHexString(size));
195 sb.append(", name=");
196 sb.append(name);
197 sb.append(", type=");
198 sb.append(type.toString());
199 sb.append(", minHeartbeat=");
200 sb.append(minimumHeartbeat);
201 sb.append(", min=");
202 sb.append(minimum);
203 sb.append(", max=");
204 sb.append(maximum);
205 sb.append("]");
206 sb.append("\n\t\t");
207 sb.append(pdpStatusBlock.toString());
208
209 return sb.toString();
210 }
211 }
212 |
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