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Merge "Send empty LinkProperties when entering StoppedState."

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This commit is contained in:
Treehugger Robot
2017-12-15 06:29:15 +00:00
committed by Gerrit Code Review
parent 0abc93177f 94209ab768
commit 5557fe3e2d
2 changed files with 47 additions and 9 deletions
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41
services/net/java/android/net/ip/IpClient.java
View File

@@ -163,10 +163,10 @@ public class IpClient extends StateMachine {
// TODO: Find an lighter weight approach.
private class LoggingCallbackWrapper extends Callback {
private static final String PREFIX = "INVOKE ";
private Callback mCallback;
private final Callback mCallback;
public LoggingCallbackWrapper(Callback callback) {
mCallback = callback;
mCallback = (callback != null) ? callback : new Callback();
}
private void log(String msg) {
@@ -524,6 +524,13 @@ public class IpClient extends StateMachine {
private static final int EVENT_PROVISIONING_TIMEOUT = 10;
private static final int EVENT_DHCPACTION_TIMEOUT = 11;
// Internal commands to use instead of trying to call transitionTo() inside
// a given State's enter() method. Calling transitionTo() from enter/exit
// encounters a Log.wtf() that can cause trouble on eng builds.
private static final int CMD_JUMP_STARTING_TO_RUNNING = 100;
private static final int CMD_JUMP_RUNNING_TO_STOPPING = 101;
private static final int CMD_JUMP_STOPPING_TO_STOPPED = 102;
private static final int MAX_LOG_RECORDS = 500;
private static final int MAX_PACKET_RECORDS = 100;
@@ -1284,6 +1291,9 @@ public class IpClient extends StateMachine {
resetLinkProperties();
if (mStartTimeMillis > 0) {
// Completed a life-cycle; send a final empty LinkProperties
// (cleared in resetLinkProperties() above) and record an event.
mCallback.onLinkPropertiesChange(new LinkProperties(mLinkProperties));
recordMetric(IpManagerEvent.COMPLETE_LIFECYCLE);
mStartTimeMillis = 0;
}
@@ -1342,13 +1352,17 @@ public class IpClient extends StateMachine {
public void enter() {
if (mDhcpClient == null) {
// There's no DHCPv4 for which to wait; proceed to stopped.
transitionTo(mStoppedState);
deferMessage(obtainMessage(CMD_JUMP_STOPPING_TO_STOPPED));
}
}
@Override
public boolean processMessage(Message msg) {
switch (msg.what) {
case CMD_JUMP_STOPPING_TO_STOPPED:
transitionTo(mStoppedState);
break;
case CMD_STOP:
break;
@@ -1382,7 +1396,7 @@ public class IpClient extends StateMachine {
}
if (readyToProceed()) {
transitionTo(mRunningState);
deferMessage(obtainMessage(CMD_JUMP_STARTING_TO_RUNNING));
} else {
// Clear all IPv4 and IPv6 before proceeding to RunningState.
// Clean up any leftover state from an abnormal exit from
@@ -1399,6 +1413,10 @@ public class IpClient extends StateMachine {
@Override
public boolean processMessage(Message msg) {
switch (msg.what) {
case CMD_JUMP_STARTING_TO_RUNNING:
transitionTo(mRunningState);
break;
case CMD_STOP:
transitionTo(mStoppingState);
break;
@@ -1427,7 +1445,7 @@ public class IpClient extends StateMachine {
return HANDLED;
}
boolean readyToProceed() {
private boolean readyToProceed() {
return (!mLinkProperties.hasIPv4Address() &&
!mLinkProperties.hasGlobalIPv6Address());
}
@@ -1459,13 +1477,13 @@ public class IpClient extends StateMachine {
if (mConfiguration.mEnableIPv6 && !startIPv6()) {
doImmediateProvisioningFailure(IpManagerEvent.ERROR_STARTING_IPV6);
transitionTo(mStoppingState);
enqueueJumpToStoppingState();
return;
}
if (mConfiguration.mEnableIPv4 && !startIPv4()) {
doImmediateProvisioningFailure(IpManagerEvent.ERROR_STARTING_IPV4);
transitionTo(mStoppingState);
enqueueJumpToStoppingState();
return;
}
@@ -1473,14 +1491,14 @@ public class IpClient extends StateMachine {
if ((config != null) && !applyInitialConfig(config)) {
// TODO introduce a new IpManagerEvent constant to distinguish this error case.
doImmediateProvisioningFailure(IpManagerEvent.ERROR_INVALID_PROVISIONING);
transitionTo(mStoppingState);
enqueueJumpToStoppingState();
return;
}
if (mConfiguration.mUsingIpReachabilityMonitor && !startIpReachabilityMonitor()) {
doImmediateProvisioningFailure(
IpManagerEvent.ERROR_STARTING_IPREACHABILITYMONITOR);
transitionTo(mStoppingState);
enqueueJumpToStoppingState();
return;
}
}
@@ -1512,6 +1530,10 @@ public class IpClient extends StateMachine {
resetLinkProperties();
}
private void enqueueJumpToStoppingState() {
deferMessage(obtainMessage(CMD_JUMP_RUNNING_TO_STOPPING));
}
private ConnectivityPacketTracker createPacketTracker() {
try {
return new ConnectivityPacketTracker(
@@ -1542,6 +1564,7 @@ public class IpClient extends StateMachine {
@Override
public boolean processMessage(Message msg) {
switch (msg.what) {
case CMD_JUMP_RUNNING_TO_STOPPING:
case CMD_STOP:
transitionTo(mStoppingState);
break;

15
tests/net/java/android/net/ip/IpManagerTest.java
View File

@@ -69,6 +69,8 @@ import java.util.Set;
/**
* Tests for IpManager.
*
* TODO: Rename to IpClientTest.
*/
@RunWith(AndroidJUnit4.class)
@SmallTest
@@ -111,9 +113,18 @@ public class IpManagerTest {
verify(mNMService, times(1)).registerObserver(arg.capture());
mObserver = arg.getValue();
reset(mNMService);
// Verify IpClient doesn't call onLinkPropertiesChange() when it starts.
verify(mCb, never()).onLinkPropertiesChange(any());
reset(mCb);
return ipm;
}
private static LinkProperties makeEmptyLinkProperties(String iface) {
final LinkProperties empty = new LinkProperties();
empty.setInterfaceName(iface);
return empty;
}
@Test
public void testNullCallbackDoesNotThrow() throws Exception {
final IpManager ipm = new IpManager(mContext, "lo", null, mNMService);
@@ -144,6 +155,8 @@ public class IpManagerTest {
ipm.stop();
verify(mNMService, timeout(100).times(1)).disableIpv6(iface);
verify(mNMService, timeout(100).times(1)).clearInterfaceAddresses(iface);
verify(mCb, timeout(100).times(1))
.onLinkPropertiesChange(eq(makeEmptyLinkProperties(iface)));
}
@Test
@@ -193,6 +206,8 @@ public class IpManagerTest {
ipm.stop();
verify(mNMService, timeout(100).times(1)).disableIpv6(iface);
verify(mNMService, timeout(100).times(1)).clearInterfaceAddresses(iface);
verify(mCb, timeout(100).times(1))
.onLinkPropertiesChange(eq(makeEmptyLinkProperties(iface)));
}
@Test