Merge "rm libbinderthreadstate"
diff --git a/core/java/android/net/ConnectivityDiagnosticsManager.java b/core/java/android/net/ConnectivityDiagnosticsManager.java
index b128ea7..3c39d15 100644
--- a/core/java/android/net/ConnectivityDiagnosticsManager.java
+++ b/core/java/android/net/ConnectivityDiagnosticsManager.java
@@ -202,7 +202,7 @@
          */
         @NetworkProbe
         public static final String KEY_NETWORK_PROBES_ATTEMPTED_BITMASK =
-                "networkProbesAttemped";
+                "networkProbesAttempted";
 
         /** @hide */
         @StringDef(prefix = {"KEY_"}, value = {
diff --git a/services/core/java/com/android/server/ConnectivityService.java b/services/core/java/com/android/server/ConnectivityService.java
index d304152..b3b1722 100644
--- a/services/core/java/com/android/server/ConnectivityService.java
+++ b/services/core/java/com/android/server/ConnectivityService.java
@@ -3113,7 +3113,13 @@
         handleUpdateLinkProperties(nai, new LinkProperties(nai.linkProperties));
     }
 
-    private void updateLingerState(NetworkAgentInfo nai, long now) {
+    /**
+     * Updates the linger state from the network requests inside the NAI.
+     * @param nai the agent info to update
+     * @param now the timestamp of the event causing this update
+     * @return whether the network was lingered as a result of this update
+     */
+    private boolean updateLingerState(@NonNull final NetworkAgentInfo nai, final long now) {
         // 1. Update the linger timer. If it's changed, reschedule or cancel the alarm.
         // 2. If the network was lingering and there are now requests, unlinger it.
         // 3. If this network is unneeded (which implies it is not lingering), and there is at least
@@ -3124,12 +3130,15 @@
             nai.unlinger();
             logNetworkEvent(nai, NetworkEvent.NETWORK_UNLINGER);
         } else if (unneeded(nai, UnneededFor.LINGER) && nai.getLingerExpiry() > 0) {
-            int lingerTime = (int) (nai.getLingerExpiry() - now);
-            if (DBG) log("Lingering " + nai.name() + " for " + lingerTime + "ms");
+            if (DBG) {
+                final int lingerTime = (int) (nai.getLingerExpiry() - now);
+                log("Lingering " + nai.name() + " for " + lingerTime + "ms");
+            }
             nai.linger();
             logNetworkEvent(nai, NetworkEvent.NETWORK_LINGER);
-            notifyNetworkCallbacks(nai, ConnectivityManager.CALLBACK_LOSING, lingerTime);
+            return true;
         }
+        return false;
     }
 
     private void handleAsyncChannelHalfConnect(Message msg) {
@@ -3473,7 +3482,10 @@
                 }
                 // If there are still lingered requests on this network, don't tear it down,
                 // but resume lingering instead.
-                updateLingerState(nai, SystemClock.elapsedRealtime());
+                final long now = SystemClock.elapsedRealtime();
+                if (updateLingerState(nai, now)) {
+                    notifyNetworkLosing(nai, now);
+                }
                 if (unneeded(nai, UnneededFor.TEARDOWN)) {
                     if (DBG) log("no live requests for " + nai.name() + "; disconnecting");
                     teardownUnneededNetwork(nai);
@@ -6620,11 +6632,16 @@
                 }
                 if (currentNetwork == null || currentNetwork.getCurrentScore() < score) {
                     reassignedRequests.put(nri, newNetwork);
+                    changes.addRequestReassignment(new NetworkReassignment.RequestReassignment(
+                            nri, currentNetwork, newNetwork));
                 }
             } else if (newNetwork == currentNetwork) {
                 reassignedRequests.put(nri, null);
+                changes.addRequestReassignment(new NetworkReassignment.RequestReassignment(
+                        nri, currentNetwork, null));
             }
         }
+
         return reassignedRequests;
     }
 
@@ -6663,41 +6680,39 @@
             final NetworkRequestInfo nri = entry.getKey();
             final NetworkAgentInfo previousSatisfier = nri.mSatisfier;
             final NetworkAgentInfo newSatisfier = entry.getValue();
-            changes.addRequestReassignment(new NetworkReassignment.RequestReassignment(
-                    nri, previousSatisfier, newSatisfier));
-            if (newSatisfier != null) {
-                if (VDBG) log("rematch for " + newSatisfier.name());
-                if (previousSatisfier != null) {
-                    if (VDBG || DDBG) {
-                        log("   accepting network in place of " + previousSatisfier.name());
-                    }
-                    previousSatisfier.removeRequest(nri.request.requestId);
-                    previousSatisfier.lingerRequest(nri.request, now, mLingerDelayMs);
-                } else {
-                    if (VDBG || DDBG) log("   accepting network in place of null");
-                }
-                newSatisfier.unlingerRequest(nri.request);
-                if (!newSatisfier.addRequest(nri.request)) {
-                    Slog.wtf(TAG, "BUG: " + newSatisfier.name() + " already has " + nri.request);
-                }
-            } else {
-                // If "newNetwork" is listed as satisfying "nri" but no longer satisfies "nri",
-                // mark it as no longer satisfying "nri".  Because networks are processed by
-                // rematchAllNetworksAndRequests() in descending score order, "currentNetwork" will
-                // match "newNetwork" before this loop will encounter a "currentNetwork" with higher
-                // score than "newNetwork" and where "currentNetwork" no longer satisfies "nri".
-                // This means this code doesn't have to handle the case where "currentNetwork" no
-                // longer satisfies "nri" when "currentNetwork" does not equal "newNetwork".
-                if (DBG) {
-                    log("Network " + newNetwork.name() + " stopped satisfying" +
-                            " request " + nri.request.requestId);
-                }
-                newNetwork.removeRequest(nri.request.requestId);
-            }
-            nri.mSatisfier = newSatisfier;
+            updateSatisfiersForRematchRequest(nri, previousSatisfier, newSatisfier, now);
         }
     }
 
+    private void updateSatisfiersForRematchRequest(@NonNull final NetworkRequestInfo nri,
+            @Nullable final NetworkAgentInfo previousSatisfier,
+            @Nullable final NetworkAgentInfo newSatisfier,
+            final long now) {
+        if (newSatisfier != null) {
+            if (VDBG) log("rematch for " + newSatisfier.name());
+            if (previousSatisfier != null) {
+                if (VDBG || DDBG) {
+                    log("   accepting network in place of " + previousSatisfier.name());
+                }
+                previousSatisfier.removeRequest(nri.request.requestId);
+                previousSatisfier.lingerRequest(nri.request, now, mLingerDelayMs);
+            } else {
+                if (VDBG || DDBG) log("   accepting network in place of null");
+            }
+            newSatisfier.unlingerRequest(nri.request);
+            if (!newSatisfier.addRequest(nri.request)) {
+                Slog.wtf(TAG, "BUG: " + newSatisfier.name() + " already has " + nri.request);
+            }
+        } else {
+            if (DBG) {
+                log("Network " + previousSatisfier.name() + " stopped satisfying"
+                        + " request " + nri.request.requestId);
+            }
+            previousSatisfier.removeRequest(nri.request.requestId);
+        }
+        nri.mSatisfier = newSatisfier;
+    }
+
     /**
      * Attempt to rematch all Networks with NetworkRequests.  This may result in Networks
      * being disconnected.
@@ -6773,13 +6788,20 @@
             processNewlySatisfiedListenRequests(event.mNetwork);
         }
 
+        final ArrayList<NetworkAgentInfo> lingeredNetworks = new ArrayList<>();
         for (final NetworkAgentInfo nai : nais) {
             // Rematching may have altered the linger state of some networks, so update all linger
             // timers. updateLingerState reads the state from the network agent and does nothing
             // if the state has not changed : the source of truth is controlled with
             // NetworkAgentInfo#lingerRequest and NetworkAgentInfo#unlingerRequest, which have been
             // called while rematching the individual networks above.
-            updateLingerState(nai, now);
+            if (updateLingerState(nai, now)) {
+                lingeredNetworks.add(nai);
+            }
+        }
+
+        for (final NetworkAgentInfo nai : lingeredNetworks) {
+            notifyNetworkLosing(nai, now);
         }
 
         updateLegacyTypeTrackerAndVpnLockdownForRematch(oldDefaultNetwork, newDefaultNetwork, nais);
@@ -6795,7 +6817,9 @@
                     // and became unneeded due to another network improving its score to the
                     // point where this network will no longer be able to satisfy any requests
                     // even if it validates.
-                    updateLingerState(nai, now);
+                    if (updateLingerState(nai, now)) {
+                        notifyNetworkLosing(nai, now);
+                    }
                 } else {
                     if (DBG) log("Reaping " + nai.name());
                     teardownUnneededNetwork(nai);
@@ -7048,6 +7072,12 @@
         callCallbackForRequest(nri, nai, ConnectivityManager.CALLBACK_AVAILABLE, blocked ? 1 : 0);
     }
 
+    // Notify the requests on this NAI that the network is now lingered.
+    private void notifyNetworkLosing(@NonNull final NetworkAgentInfo nai, final long now) {
+        final int lingerTime = (int) (nai.getLingerExpiry() - now);
+        notifyNetworkCallbacks(nai, ConnectivityManager.CALLBACK_LOSING, lingerTime);
+    }
+
     /**
      * Notify of the blocked state apps with a registered callback matching a given NAI.
      *