drgreen/android_frameworks_base
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

am 41b35884: Revert "DO NOT MERGE Revert "Fix lease duration handling""

Browse Source 
* commit '41b35884ff68a62f5fc8f65dcc26342d0889113d':
  Revert "DO NOT MERGE Revert "Fix lease duration handling""
This commit is contained in:
Irfan Sheriff
2011-06-22 11:10:16 -07:00
committed by Android Git Automerger
parent cf99765b62 41b35884ff
commit 38053dad9f
1 changed files with 18 additions and 7 deletions
Download Patch File Download Diff File Expand all files Collapse all files

13
core/java/android/net/DhcpStateMachine.java
View File

@ -66,6 +66,9 @@ public class DhcpStateMachine extends StateMachine {
private static final int DHCP_RENEW = 0;
private static final String ACTION_DHCP_RENEW = "android.net.wifi.DHCP_RENEW";
//Used for sanity check on setting up renewal
private static final int MIN_RENEWAL_TIME_SECS = 5 * 60; // 5 minutes
private enum DhcpAction {
START,
RENEW
@ -331,12 +334,20 @@ public class DhcpStateMachine extends StateMachine {
if (success) {
Log.d(TAG, "DHCP succeeded on " + mInterfaceName);
long leaseDuration = dhcpInfoInternal.leaseDuration; //int to long conversion
//Sanity check for renewal
//TODO: would be good to notify the user that his network configuration is
//bad and that the device cannot renew below MIN_RENEWAL_TIME_SECS
if (leaseDuration < MIN_RENEWAL_TIME_SECS) {
leaseDuration = MIN_RENEWAL_TIME_SECS;
}
//Do it a bit earlier than half the lease duration time
//to beat the native DHCP client and avoid extra packets
//48% for one hour lease time = 29 minutes
mAlarmManager.set(AlarmManager.ELAPSED_REALTIME_WAKEUP,
SystemClock.elapsedRealtime() +
dhcpInfoInternal.leaseDuration * 480, //in milliseconds
leaseDuration * 480, //in milliseconds
mDhcpRenewalIntent);
mController.obtainMessage(CMD_POST_DHCP_ACTION, DHCP_SUCCESS, 0, dhcpInfoInternal)