Merge "Apply forwarding rules before sending onAvailable" into main
diff --git a/service/src/com/android/server/ConnectivityService.java b/service/src/com/android/server/ConnectivityService.java
index ea6d37e..ba9ea86 100755
--- a/service/src/com/android/server/ConnectivityService.java
+++ b/service/src/com/android/server/ConnectivityService.java
@@ -10085,6 +10085,45 @@
// Process default network changes if applicable.
processDefaultNetworkChanges(changes);
+ // Update forwarding rules for the upstreams of local networks. Do this before sending
+ // onAvailable so that by the time onAvailable is sent the forwarding rules are set up.
+ // Don't send CALLBACK_LOCAL_NETWORK_INFO_CHANGED yet though : they should be sent after
+ // onAvailable so clients know what network the change is about. Store such changes in
+ // an array that's only allocated if necessary (because it's almost never necessary).
+ ArrayList<NetworkAgentInfo> localInfoChangedAgents = null;
+ for (final NetworkAgentInfo nai : mNetworkAgentInfos) {
+ if (!nai.isLocalNetwork()) continue;
+ final NetworkRequest nr = nai.localNetworkConfig.getUpstreamSelector();
+ if (null == nr) continue; // No upstream for this local network
+ final NetworkRequestInfo nri = mNetworkRequests.get(nr);
+ final NetworkReassignment.RequestReassignment change = changes.getReassignment(nri);
+ if (null == change) continue; // No change in upstreams for this network
+ final String fromIface = nai.linkProperties.getInterfaceName();
+ if (!hasSameInterfaceName(change.mOldNetwork, change.mNewNetwork)
+ || change.mOldNetwork.isDestroyed()) {
+ // There can be a change with the same interface name if the new network is the
+ // replacement for the old network that was unregisteredAfterReplacement.
+ try {
+ if (null != change.mOldNetwork) {
+ mRoutingCoordinatorService.removeInterfaceForward(fromIface,
+ change.mOldNetwork.linkProperties.getInterfaceName());
+ }
+ // If the new upstream is already destroyed, there is no point in setting up
+ // a forward (in fact, it might forward to the interface for some new network !)
+ // Later when the upstream disconnects CS will try to remove the forward, which
+ // is ignored with a benign log by RoutingCoordinatorService.
+ if (null != change.mNewNetwork && !change.mNewNetwork.isDestroyed()) {
+ mRoutingCoordinatorService.addInterfaceForward(fromIface,
+ change.mNewNetwork.linkProperties.getInterfaceName());
+ }
+ } catch (final RemoteException e) {
+ loge("Can't update forwarding rules", e);
+ }
+ }
+ if (null == localInfoChangedAgents) localInfoChangedAgents = new ArrayList<>();
+ localInfoChangedAgents.add(nai);
+ }
+
// Notify requested networks are available after the default net is switched, but
// before LegacyTypeTracker sends legacy broadcasts
for (final NetworkReassignment.RequestReassignment event :
@@ -10133,38 +10172,12 @@
notifyNetworkLosing(nai, now);
}
- // Update forwarding rules for the upstreams of local networks. Do this after sending
- // onAvailable so that clients understand what network this is about.
- for (final NetworkAgentInfo nai : mNetworkAgentInfos) {
- if (!nai.isLocalNetwork()) continue;
- final NetworkRequest nr = nai.localNetworkConfig.getUpstreamSelector();
- if (null == nr) continue; // No upstream for this local network
- final NetworkRequestInfo nri = mNetworkRequests.get(nr);
- final NetworkReassignment.RequestReassignment change = changes.getReassignment(nri);
- if (null == change) continue; // No change in upstreams for this network
- final String fromIface = nai.linkProperties.getInterfaceName();
- if (!hasSameInterfaceName(change.mOldNetwork, change.mNewNetwork)
- || change.mOldNetwork.isDestroyed()) {
- // There can be a change with the same interface name if the new network is the
- // replacement for the old network that was unregisteredAfterReplacement.
- try {
- if (null != change.mOldNetwork) {
- mRoutingCoordinatorService.removeInterfaceForward(fromIface,
- change.mOldNetwork.linkProperties.getInterfaceName());
- }
- // If the new upstream is already destroyed, there is no point in setting up
- // a forward (in fact, it might forward to the interface for some new network !)
- // Later when the upstream disconnects CS will try to remove the forward, which
- // is ignored with a benign log by RoutingCoordinatorService.
- if (null != change.mNewNetwork && !change.mNewNetwork.isDestroyed()) {
- mRoutingCoordinatorService.addInterfaceForward(fromIface,
- change.mNewNetwork.linkProperties.getInterfaceName());
- }
- } catch (final RemoteException e) {
- loge("Can't update forwarding rules", e);
- }
+ // Send LOCAL_NETWORK_INFO_CHANGED callbacks now that onAvailable and onLost have been sent.
+ if (null != localInfoChangedAgents) {
+ for (final NetworkAgentInfo nai : localInfoChangedAgents) {
+ notifyNetworkCallbacks(nai,
+ ConnectivityManager.CALLBACK_LOCAL_NETWORK_INFO_CHANGED);
}
- notifyNetworkCallbacks(nai, ConnectivityManager.CALLBACK_LOCAL_NETWORK_INFO_CHANGED);
}
updateLegacyTypeTrackerAndVpnLockdownForRematch(changes, nais);