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Improve the code of handleSessionLost()

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Bug: 229350078
Test: atest FrameworksNetTests:VpnTest
Change-Id: Ia5fee854fb6017c08b7b7fb7ad666eed9a932195
(cherry picked from commit 8c37a315ff)
Merged-In: Ia5fee854fb6017c08b7b7fb7ad666eed9a932195
This commit is contained in:
lucaslin
2022-08-02 18:55:07 +08:00
committed by Lucas Lin
parent a7aa18c159
commit 85362a4b17
1 changed files with 34 additions and 81 deletions
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115
services/core/java/com/android/server/connectivity/Vpn.java
View File

@@ -3315,8 +3315,13 @@ public class Vpn {
// Ignore stale runner.
if (mVpnRunner != this) return;
String category = null;
int errorClass = -1;
int errorCode = -1;
if (exception instanceof IkeProtocolException) {
final IkeProtocolException ikeException = (IkeProtocolException) exception;
category = VpnManager.CATEGORY_EVENT_IKE_ERROR;
errorCode = ikeException.getErrorType();
switch (ikeException.getErrorType()) {
case IkeProtocolException.ERROR_TYPE_NO_PROPOSAL_CHOSEN: // Fallthrough
@@ -3326,105 +3331,53 @@ public class Vpn {
case IkeProtocolException.ERROR_TYPE_FAILED_CP_REQUIRED: // Fallthrough
case IkeProtocolException.ERROR_TYPE_TS_UNACCEPTABLE:
// All the above failures are configuration errors, and are terminal
// TODO(b/230548427): Remove SDK check once VPN related stuff are
// decoupled from ConnectivityServiceTest.
if (SdkLevel.isAtLeastT() && isVpnApp(mPackage)) {
sendEventToVpnManagerApp(VpnManager.CATEGORY_EVENT_IKE_ERROR,
VpnManager.ERROR_CLASS_NOT_RECOVERABLE,
ikeException.getErrorType(),
getPackage(), mSessionKey, makeVpnProfileStateLocked(),
network,
getRedactedNetworkCapabilitiesOfUnderlyingNetwork(
mUnderlyingNetworkCapabilities),
getRedactedLinkPropertiesOfUnderlyingNetwork(
mUnderlyingLinkProperties));
}
markFailedAndDisconnect(exception);
return;
errorClass = VpnManager.ERROR_CLASS_NOT_RECOVERABLE;
break;
// All other cases possibly recoverable.
default:
// All the above failures are configuration errors, and are terminal
// TODO(b/230548427): Remove SDK check once VPN related stuff are
// decoupled from ConnectivityServiceTest.
if (SdkLevel.isAtLeastT() && isVpnApp(mPackage)) {
sendEventToVpnManagerApp(VpnManager.CATEGORY_EVENT_IKE_ERROR,
VpnManager.ERROR_CLASS_RECOVERABLE,
ikeException.getErrorType(),
getPackage(), mSessionKey, makeVpnProfileStateLocked(),
network,
getRedactedNetworkCapabilitiesOfUnderlyingNetwork(
mUnderlyingNetworkCapabilities),
getRedactedLinkPropertiesOfUnderlyingNetwork(
mUnderlyingLinkProperties));
}
errorClass = VpnManager.ERROR_CLASS_RECOVERABLE;
}
} else if (exception instanceof IllegalArgumentException) {
// Failed to build IKE/ChildSessionParams; fatal profile configuration error
markFailedAndDisconnect(exception);
return;
} else if (exception instanceof IkeNetworkLostException) {
// TODO(b/230548427): Remove SDK check once VPN related stuff are
// decoupled from ConnectivityServiceTest.
if (SdkLevel.isAtLeastT() && isVpnApp(mPackage)) {
sendEventToVpnManagerApp(VpnManager.CATEGORY_EVENT_NETWORK_ERROR,
VpnManager.ERROR_CLASS_RECOVERABLE,
VpnManager.ERROR_CODE_NETWORK_LOST,
getPackage(), mSessionKey, makeVpnProfileStateLocked(),
network,
getRedactedNetworkCapabilitiesOfUnderlyingNetwork(
mUnderlyingNetworkCapabilities),
getRedactedLinkPropertiesOfUnderlyingNetwork(
mUnderlyingLinkProperties));
}
category = VpnManager.CATEGORY_EVENT_NETWORK_ERROR;
errorClass = VpnManager.ERROR_CLASS_RECOVERABLE;
errorCode = VpnManager.ERROR_CODE_NETWORK_LOST;
} else if (exception instanceof IkeNonProtocolException) {
category = VpnManager.CATEGORY_EVENT_NETWORK_ERROR;
errorClass = VpnManager.ERROR_CLASS_RECOVERABLE;
if (exception.getCause() instanceof UnknownHostException) {
// TODO(b/230548427): Remove SDK check once VPN related stuff are
// decoupled from ConnectivityServiceTest.
if (SdkLevel.isAtLeastT() && isVpnApp(mPackage)) {
sendEventToVpnManagerApp(VpnManager.CATEGORY_EVENT_NETWORK_ERROR,
VpnManager.ERROR_CLASS_RECOVERABLE,
VpnManager.ERROR_CODE_NETWORK_UNKNOWN_HOST,
getPackage(), mSessionKey, makeVpnProfileStateLocked(),
network,
getRedactedNetworkCapabilitiesOfUnderlyingNetwork(
mUnderlyingNetworkCapabilities),
getRedactedLinkPropertiesOfUnderlyingNetwork(
mUnderlyingLinkProperties));
}
errorCode = VpnManager.ERROR_CODE_NETWORK_UNKNOWN_HOST;
} else if (exception.getCause() instanceof IkeTimeoutException) {
// TODO(b/230548427): Remove SDK check once VPN related stuff are
// decoupled from ConnectivityServiceTest.
if (SdkLevel.isAtLeastT() && isVpnApp(mPackage)) {
sendEventToVpnManagerApp(VpnManager.CATEGORY_EVENT_NETWORK_ERROR,
VpnManager.ERROR_CLASS_RECOVERABLE,
VpnManager.ERROR_CODE_NETWORK_PROTOCOL_TIMEOUT,
getPackage(), mSessionKey, makeVpnProfileStateLocked(),
network,
getRedactedNetworkCapabilitiesOfUnderlyingNetwork(
mUnderlyingNetworkCapabilities),
getRedactedLinkPropertiesOfUnderlyingNetwork(
mUnderlyingLinkProperties));
}
errorCode = VpnManager.ERROR_CODE_NETWORK_PROTOCOL_TIMEOUT;
} else if (exception.getCause() instanceof IOException) {
// TODO(b/230548427): Remove SDK check once VPN related stuff are
// decoupled from ConnectivityServiceTest.
if (SdkLevel.isAtLeastT() && isVpnApp(mPackage)) {
sendEventToVpnManagerApp(VpnManager.CATEGORY_EVENT_NETWORK_ERROR,
VpnManager.ERROR_CLASS_RECOVERABLE,
VpnManager.ERROR_CODE_NETWORK_IO,
getPackage(), mSessionKey, makeVpnProfileStateLocked(),
network,
getRedactedNetworkCapabilitiesOfUnderlyingNetwork(
mUnderlyingNetworkCapabilities),
getRedactedLinkPropertiesOfUnderlyingNetwork(
mUnderlyingLinkProperties));
}
errorCode = VpnManager.ERROR_CODE_NETWORK_IO;
}
} else if (exception != null) {
Log.wtf(TAG, "onSessionLost: exception = " + exception);
}
scheduleRetryNewIkeSession();
// TODO(b/230548427): Remove SDK check once VPN related stuff are
// decoupled from ConnectivityServiceTest.
if (SdkLevel.isAtLeastT() && category != null && isVpnApp(mPackage)) {
sendEventToVpnManagerApp(category, errorClass, errorCode,
getPackage(), mSessionKey, makeVpnProfileStateLocked(),
mActiveNetwork,
getRedactedNetworkCapabilitiesOfUnderlyingNetwork(
mUnderlyingNetworkCapabilities),
getRedactedLinkPropertiesOfUnderlyingNetwork(
mUnderlyingLinkProperties));
}
if (errorClass == VpnManager.ERROR_CLASS_NOT_RECOVERABLE) {
markFailedAndDisconnect(exception);
return;
} else {
scheduleRetryNewIkeSession();
}
}
mUnderlyingNetworkCapabilities = null;