diff options
Diffstat (limited to 'wifi/java/android/net/wifi/WifiInfo.java')
| -rw-r--r-- | wifi/java/android/net/wifi/WifiInfo.java | 41 |
1 files changed, 27 insertions, 14 deletions
diff --git a/wifi/java/android/net/wifi/WifiInfo.java b/wifi/java/android/net/wifi/WifiInfo.java index dbfd4ef..2ba38e1 100644 --- a/wifi/java/android/net/wifi/WifiInfo.java +++ b/wifi/java/android/net/wifi/WifiInfo.java @@ -167,15 +167,24 @@ public class WifiInfo implements Parcelable { long txbad = stats.lostmpdu_be + stats.lostmpdu_bk + stats.lostmpdu_vi + stats.lostmpdu_vo; - txBadRate = (txBadRate * 0.5) - + ((double) (txbad - txBad) * 0.5); - txSuccessRate = (txSuccessRate * 0.5) - + ((double) (txgood - txSuccess) * 0.5); - rxSuccessRate = (rxSuccessRate * 0.5) - + ((double) (rxgood - rxSuccess) * 0.5); - txRetriesRate = (txRetriesRate * 0.5) - + ((double) (txretries - txRetries) * 0.5); - + if (txBad <= txbad + && txSuccess <= txgood + && rxSuccess <= rxgood + && txRetries <= txretries) { + txBadRate = (txBadRate * 0.5) + + ((double) (txbad - txBad) * 0.5); + txSuccessRate = (txSuccessRate * 0.5) + + ((double) (txgood - txSuccess) * 0.5); + rxSuccessRate = (rxSuccessRate * 0.5) + + ((double) (rxgood - rxSuccess) * 0.5); + txRetriesRate = (txRetriesRate * 0.5) + + ((double) (txretries - txRetries) * 0.5); + } else { + txBadRate = 0; + txSuccessRate = 0; + rxSuccessRate = 0; + txRetriesRate = 0; + } txBad = txbad; txSuccess = txgood; rxSuccess = rxgood; @@ -204,11 +213,15 @@ public class WifiInfo implements Parcelable { txRetries = 0; txBadRate = 0; txRetriesRate = 0; - - txSuccessRate = (txSuccessRate * 0.5) - + ((double) (txPackets - txSuccess) * 0.5); - rxSuccessRate = (rxSuccessRate * 0.5) - + ((double) (rxPackets - rxSuccess) * 0.5); + if (txSuccess <= txPackets && rxSuccess <= rxPackets) { + txSuccessRate = (txSuccessRate * 0.5) + + ((double) (txPackets - txSuccess) * 0.5); + rxSuccessRate = (rxSuccessRate * 0.5) + + ((double) (rxPackets - rxSuccess) * 0.5); + } else { + txBadRate = 0; + txRetriesRate = 0; + } txSuccess = txPackets; rxSuccess = rxPackets; } |