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Fix reporting of network connectivity when parole changes

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When parole state changes, compute the uids that have been
impacted by the change of idle state and inform listeners.

Bug: 31399882
Test: cts-tradefed run commandAndExit cts -m CtsHostsideNetworkTests -t com.android.cts.net.HostsideRestrictBackgroundNetworkTests#testAppIdleNonMetered_whenCharging
Test: cts-tradefed run commandAndExit cts -m CtsHostsideNetworkTests -t com.android.cts.net.HostsideRestrictBackgroundNetworkTests#testAppIdleMetered_whenCharging
Change-Id: I5cc49464a2d359890b5c48033149e569a5b021ca
This commit is contained in:
Amith Yamasani
2016-09-16 12:46:31 -07:00
parent 3dfd09e860
commit 0938f2fa98
1 changed files with 48 additions and 10 deletions
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58
services/core/java/com/android/server/net/NetworkPolicyManagerService.java
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@@ -2728,9 +2728,31 @@ public class NetworkPolicyManagerService extends INetworkPolicyManager.Stub {
}
}
/**
* Toggle the firewall standby chain and inform listeners if the uid rules have effectively
* changed.
*/
void updateRulesForAppIdleParoleUL() {
boolean enableChain = !mUsageStats.isAppIdleParoleOn();
boolean paroled = mUsageStats.isAppIdleParoleOn();
boolean enableChain = !paroled;
enableFirewallChainUL(FIREWALL_CHAIN_STANDBY, enableChain);
int ruleCount = mUidFirewallStandbyRules.size();
for (int i = 0; i < ruleCount; i++) {
int uid = mUidFirewallStandbyRules.keyAt(i);
int oldRules = mUidRules.get(uid);
if (enableChain) {
// Chain wasn't enabled before and the other power-related
// chains are whitelists, so we can clear the
// MASK_ALL_NETWORKS part of the rules and re-inform listeners if
// the effective rules result in blocking network access.
oldRules &= MASK_METERED_NETWORKS;
} else {
// Skip if it had no restrictions to begin with
if ((oldRules & MASK_ALL_NETWORKS) == 0) continue;
}
updateRulesForPowerRestrictionsUL(uid, oldRules, paroled);
}
}
/**
@@ -3084,14 +3106,34 @@ public class NetworkPolicyManagerService extends INetworkPolicyManager.Stub {
* <strong>NOTE: </strong>This method does not update the firewall rules on {@code netd}.
*/
private void updateRulesForPowerRestrictionsUL(int uid) {
final int oldUidRules = mUidRules.get(uid, RULE_NONE);
final int newUidRules = updateRulesForPowerRestrictionsUL(uid, oldUidRules, false);
if (newUidRules == RULE_NONE) {
mUidRules.delete(uid);
} else {
mUidRules.put(uid, newUidRules);
}
}
/**
* Similar to above but ignores idle state if app standby is currently disabled by parole.
*
* @param uid the uid of the app to update rules for
* @param oldUidRules the current rules for the uid, in order to determine if there's a change
* @param paroled whether to ignore idle state of apps and only look at other restrictions.
*
* @return the new computed rules for the uid
*/
private int updateRulesForPowerRestrictionsUL(int uid, int oldUidRules, boolean paroled) {
if (!isUidValidForBlacklistRules(uid)) {
if (LOGD) Slog.d(TAG, "no need to update restrict power rules for uid " + uid);
return;
return RULE_NONE;
}
final boolean isIdle = isUidIdle(uid);
final boolean isIdle = !paroled && isUidIdle(uid);
final boolean restrictMode = isIdle || mRestrictPower || mDeviceIdleMode;
final int oldUidRules = mUidRules.get(uid, RULE_NONE);
final boolean isForeground = isUidForegroundOnRestrictPowerUL(uid);
final boolean isWhitelisted = isWhitelistedBatterySaverUL(uid);
@@ -3125,12 +3167,6 @@ public class NetworkPolicyManagerService extends INetworkPolicyManager.Stub {
+ ", oldUidRules=" + uidRulesToString(oldUidRules));
}
if (newUidRules == RULE_NONE) {
mUidRules.delete(uid);
} else {
mUidRules.put(uid, newUidRules);
}
// Second step: notify listeners if state changed.
if (newRule != oldRule) {
if (newRule == RULE_NONE || (newRule & RULE_ALLOW_ALL) != 0) {
@@ -3147,6 +3183,8 @@ public class NetworkPolicyManagerService extends INetworkPolicyManager.Stub {
}
mHandler.obtainMessage(MSG_RULES_CHANGED, uid, newUidRules).sendToTarget();
}
return newUidRules;
}
private class AppIdleStateChangeListener