zqz/platform-external-webrtc
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Filter out network-change event with a null interface name.

Browse Source 
This fixes an Android native crash.
This has happened occasionally.

BUG=
R=glaznev@webrtc.org

Review URL: https://codereview.webrtc.org/1771383002 .

Cr-Commit-Position: refs/heads/master@{#11919}
This commit is contained in:
Honghai Zhang
2016-03-08 13:10:12 -08:00
parent 1a018dcda3
commit 13e433902d
1 changed files with 21 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files

27
webrtc/api/java/android/org/webrtc/NetworkMonitorAutoDetect.java
View File

@ -156,8 +156,7 @@ public class NetworkMonitorAutoDetect extends BroadcastReceiver {
private void onNetworkChanged(Network network) {
NetworkInformation networkInformation = connectivityManagerDelegate.networkToInfo(network);
if (networkInformation.type != ConnectionType.CONNECTION_UNKNOWN
&& networkInformation.type != ConnectionType.CONNECTION_NONE) {
if (networkInformation != null) {
observer.onNetworkConnect(networkInformation);
}
}
@ -234,8 +233,7 @@ public class NetworkMonitorAutoDetect extends BroadcastReceiver {
ArrayList<NetworkInformation> netInfoList = new ArrayList<NetworkInformation>();
for (Network network : getAllNetworks()) {
NetworkInformation info = networkToInfo(network);
if (info.name != null && info.type != ConnectionType.CONNECTION_NONE
&& info.type != ConnectionType.CONNECTION_UNKNOWN) {
if (info != null) {
netInfoList.add(info);
}
}
@ -285,10 +283,27 @@ public class NetworkMonitorAutoDetect extends BroadcastReceiver {
@SuppressLint("NewApi")
private NetworkInformation networkToInfo(Network network) {
LinkProperties linkProperties = connectivityManager.getLinkProperties(network);
int networkId = networkToNetId(network);
if (linkProperties.getInterfaceName() == null) {
Logging.w(TAG, "Null interface name for network id " + networkId);
return null;
}
ConnectionType connectionType = getConnectionType(getNetworkState(network));
if (connectionType == ConnectionType.CONNECTION_UNKNOWN
|| connectionType == ConnectionType.CONNECTION_NONE) {
// This may not be an error. The OS may signal a network event with connection type
// NONE when the network disconnects. But in some devices, the OS may incorrectly
// report an UNKNOWN connection type. In either case, it won't benefit to send down
// a network event with this connection type.
Logging.d(TAG, "Network with id " + networkId + " has connection type " + connectionType);
return null;
}
NetworkInformation networkInformation = new NetworkInformation(
linkProperties.getInterfaceName(),
getConnectionType(getNetworkState(network)),
networkToNetId(network),
connectionType,
networkId,
getIPAddresses(linkProperties));
return networkInformation;
}