Merge "Fix default network transition event recording" into nyc-dev

This commit is contained in:
Hugo Benichi
2016-05-25 03:22:31 +00:00
committed by Android (Google) Code Review

View File

@@ -2245,6 +2245,11 @@ public class ConnectivityService extends IConnectivityManager.Stub
final boolean wasDefault = isDefaultNetwork(nai);
if (wasDefault) {
mDefaultInetConditionPublished = 0;
// Log default network disconnection before required book-keeping.
// Let rematchAllNetworksAndRequests() below record a new default network event
// if there is a fallback. Taken together, the two form a X -> 0, 0 -> Y sequence
// whose timestamps tell how long it takes to recover a default network.
logDefaultNetworkEvent(null, nai);
}
notifyIfacesChangedForNetworkStats();
// TODO - we shouldn't send CALLBACK_LOST to requests that can be satisfied
@@ -2278,10 +2283,6 @@ public class ConnectivityService extends IConnectivityManager.Stub
}
mLegacyTypeTracker.remove(nai, wasDefault);
rematchAllNetworksAndRequests(null, 0);
if (wasDefault && getDefaultNetwork() == null) {
// Log that we lost the default network and there is no replacement.
logDefaultNetworkEvent(null, nai);
}
if (nai.created) {
// Tell netd to clean up the configuration for this network
// (routing rules, DNS, etc).
@@ -4584,7 +4585,7 @@ public class ConnectivityService extends IConnectivityManager.Stub
teardownUnneededNetwork(oldNetwork);
}
private void makeDefault(NetworkAgentInfo newNetwork, NetworkAgentInfo prevNetwork) {
private void makeDefault(NetworkAgentInfo newNetwork) {
if (DBG) log("Switching to new default network: " + newNetwork);
setupDataActivityTracking(newNetwork);
try {
@@ -4596,7 +4597,6 @@ public class ConnectivityService extends IConnectivityManager.Stub
handleApplyDefaultProxy(newNetwork.linkProperties.getHttpProxy());
updateTcpBufferSizes(newNetwork);
setDefaultDnsSystemProperties(newNetwork.linkProperties.getDnsServers());
logDefaultNetworkEvent(newNetwork, prevNetwork);
}
// Handles a network appearing or improving its score.
@@ -4747,7 +4747,9 @@ public class ConnectivityService extends IConnectivityManager.Stub
}
if (isNewDefault) {
// Notify system services that this network is up.
makeDefault(newNetwork, oldDefaultNetwork);
makeDefault(newNetwork);
// Log 0 -> X and Y -> X default network transitions, where X is the new default.
logDefaultNetworkEvent(newNetwork, oldDefaultNetwork);
synchronized (ConnectivityService.this) {
// have a new default network, release the transition wakelock in
// a second if it's held. The second pause is to allow apps