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Improved the data compression for storing the recorded sensor values in the config file.

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This commit is contained in:
Michael Möller 2012-07-17 16:12:07 +00:00
parent 194d0a6d5d
commit 90838f671b
1 changed files with 12 additions and 5 deletions
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17
Hardware/Sensor.cs
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@ -4,7 +4,7 @@
License, v. 2.0. If a copy of the MPL was not distributed with this
file, You can obtain one at http://mozilla.org/MPL/2.0/.
Copyright (C) 2009-2011 Michael Möller <mmoeller@openhardwaremonitor.org>
Copyright (C) 2009-2012 Michael Möller <mmoeller@openhardwaremonitor.org>
*/
@ -76,14 +76,19 @@ namespace OpenHardwareMonitor.Hardware {
private void SetSensorValuesToSettings() {
using (MemoryStream m = new MemoryStream()) {
using (GZipStream c = new GZipStream(m, CompressionMode.Compress))
using (BinaryWriter writer = new BinaryWriter(c)) {
using (BufferedStream b = new BufferedStream(c, 65536))
using (BinaryWriter writer = new BinaryWriter(b)) {
long t = 0;
foreach (SensorValue sensorValue in values) {
writer.Write(sensorValue.Time.ToBinary());
long v = sensorValue.Time.ToBinary();
writer.Write(v - t);
t = v;
writer.Write(sensorValue.Value);
}
writer.Flush();
}
settings.SetValue(new Identifier(Identifier, "values").ToString(),
Convert.ToBase64String(m.ToArray()));
Convert.ToBase64String(m.ToArray()));
}
}
@ -98,8 +103,10 @@ namespace OpenHardwareMonitor.Hardware {
using (GZipStream c = new GZipStream(m, CompressionMode.Decompress))
using (BinaryReader reader = new BinaryReader(c)) {
try {
long t = 0;
while (true) {
DateTime time = DateTime.FromBinary(reader.ReadInt64());
t += reader.ReadInt64();
DateTime time = DateTime.FromBinary(t);
float value = reader.ReadSingle();
AppendValue(value, time);
}