Merge changes Ide2567b2,I0ee0ce92,Iac3f55af
* changes:
Fix a bug where callbacks would see blips
Fix a bug where a request would not be refcounted
Fix a bug where UID ranges would not be removed
diff --git a/services/core/java/com/android/server/ConnectivityService.java b/services/core/java/com/android/server/ConnectivityService.java
index b825abb..aacf277 100644
--- a/services/core/java/com/android/server/ConnectivityService.java
+++ b/services/core/java/com/android/server/ConnectivityService.java
@@ -3831,7 +3831,24 @@
removeListenRequestFromNetworks(req);
}
}
- mDefaultNetworkRequests.remove(nri);
+ if (mDefaultNetworkRequests.remove(nri)) {
+ // If this request was one of the defaults, then the UID rules need to be updated
+ // WARNING : if the app(s) for which this network request is the default are doing
+ // traffic, this will kill their connected sockets, even if an equivalent request
+ // is going to be reinstated right away ; unconnected traffic will go on the default
+ // until the new default is set, which will happen very soon.
+ // TODO : The only way out of this is to diff old defaults and new defaults, and only
+ // remove ranges for those requests that won't have a replacement
+ final NetworkAgentInfo satisfier = nri.getSatisfier();
+ if (null != satisfier) {
+ try {
+ mNetd.networkRemoveUidRanges(satisfier.network.getNetId(),
+ toUidRangeStableParcels(nri.getUids()));
+ } catch (RemoteException e) {
+ loge("Exception setting network preference default network", e);
+ }
+ }
+ }
mNetworkRequestCounter.decrementCount(nri.mUid);
mNetworkRequestInfoLogs.log("RELEASE " + nri);
@@ -5237,11 +5254,20 @@
ensureAllNetworkRequestsHaveType(r);
mRequests = initializeRequests(r);
mNetworkRequestForCallback = nri.getNetworkRequestForCallback();
+ // Note here that the satisfier may have corresponded to an old request, that
+ // this code doesn't try to take over. While it is a small discrepancy in the
+ // structure of these requests, it will be fixed by the next rematch and it's
+ // not as bad as having an NRI not storing its real satisfier.
+ // Fixing this discrepancy would require figuring out in the copying code what
+ // is the new request satisfied by this, which is a bit complex and not very
+ // useful as no code is using it until rematch fixes it.
+ mSatisfier = nri.mSatisfier;
mMessenger = nri.mMessenger;
mBinder = nri.mBinder;
mPid = nri.mPid;
mUid = nri.mUid;
mPendingIntent = nri.mPendingIntent;
+ mNetworkRequestCounter.incrementCountOrThrow(mUid);
mCallingAttributionTag = nri.mCallingAttributionTag;
}
@@ -7201,13 +7227,13 @@
private static class NetworkReassignment {
static class RequestReassignment {
@NonNull public final NetworkRequestInfo mNetworkRequestInfo;
- @NonNull public final NetworkRequest mOldNetworkRequest;
- @NonNull public final NetworkRequest mNewNetworkRequest;
+ @Nullable public final NetworkRequest mOldNetworkRequest;
+ @Nullable public final NetworkRequest mNewNetworkRequest;
@Nullable public final NetworkAgentInfo mOldNetwork;
@Nullable public final NetworkAgentInfo mNewNetwork;
RequestReassignment(@NonNull final NetworkRequestInfo networkRequestInfo,
- @NonNull final NetworkRequest oldNetworkRequest,
- @NonNull final NetworkRequest newNetworkRequest,
+ @Nullable final NetworkRequest oldNetworkRequest,
+ @Nullable final NetworkRequest newNetworkRequest,
@Nullable final NetworkAgentInfo oldNetwork,
@Nullable final NetworkAgentInfo newNetwork) {
mNetworkRequestInfo = networkRequestInfo;
@@ -7280,14 +7306,14 @@
}
private void updateSatisfiersForRematchRequest(@NonNull final NetworkRequestInfo nri,
- @NonNull final NetworkRequest previousRequest,
- @NonNull final NetworkRequest newRequest,
+ @Nullable final NetworkRequest previousRequest,
+ @Nullable final NetworkRequest newRequest,
@Nullable final NetworkAgentInfo previousSatisfier,
@Nullable final NetworkAgentInfo newSatisfier,
final long now) {
if (null != newSatisfier && mNoServiceNetwork != newSatisfier) {
if (VDBG) log("rematch for " + newSatisfier.toShortString());
- if (null != previousSatisfier && mNoServiceNetwork != previousSatisfier) {
+ if (null != previousRequest && null != previousSatisfier) {
if (VDBG || DDBG) {
log(" accepting network in place of " + previousSatisfier.toShortString());
}
@@ -7310,7 +7336,7 @@
Log.wtf(TAG, "BUG: " + newSatisfier.toShortString() + " already has "
+ newRequest);
}
- } else if (null != previousSatisfier) {
+ } else if (null != previousRequest && null != previousSatisfier) {
if (DBG) {
log("Network " + previousSatisfier.toShortString() + " stopped satisfying"
+ " request " + previousRequest.requestId);