diff options
Diffstat (limited to 'src')
-rw-r--r-- | src/com/android/server/connectivity/NetworkMonitor.java | 23 |
1 files changed, 16 insertions, 7 deletions
diff --git a/src/com/android/server/connectivity/NetworkMonitor.java b/src/com/android/server/connectivity/NetworkMonitor.java index 4e40ba4..9a8b304 100644 --- a/src/com/android/server/connectivity/NetworkMonitor.java +++ b/src/com/android/server/connectivity/NetworkMonitor.java @@ -1034,7 +1034,7 @@ public class NetworkMonitor extends StateMachine { mPrivateDnsConfig = null; validationLog("Strict mode hostname resolution failed: " + uhe.getMessage()); } - mEvaluationState.reportProbeResult(NETWORK_VALIDATION_PROBE_PRIVDNS, + mEvaluationState.noteProbeResult(NETWORK_VALIDATION_PROBE_PRIVDNS, (mPrivateDnsConfig != null) /* succeeded */); } @@ -1086,7 +1086,7 @@ public class NetworkMonitor extends StateMachine { String.format("%dms - Error: %s", time, uhe.getMessage())); } logValidationProbe(time, PROBE_PRIVDNS, success ? DNS_SUCCESS : DNS_FAILURE); - mEvaluationState.reportProbeResult(NETWORK_VALIDATION_PROBE_PRIVDNS, success); + mEvaluationState.noteProbeResult(NETWORK_VALIDATION_PROBE_PRIVDNS, success); return success; } } @@ -2067,11 +2067,21 @@ public class NetworkMonitor extends StateMachine { } // Class to keep state of evaluation results and probe results. - // The main purpose is to ensure NetworkMonitor can notify ConnectivityService of probe results + // + // The main purpose was to ensure NetworkMonitor can notify ConnectivityService of probe results // as soon as they happen, without triggering any other changes. This requires keeping state on - // the most recent evaluation result. Calling reportProbeResult will ensure that the results + // the most recent evaluation result. Calling noteProbeResult will ensure that the results // reported to ConnectivityService contain the previous evaluation result, and thus won't // trigger a validation or partial connectivity state change. + // + // Note that this class is not currently being used for this purpose. The reason is that some + // of the system behaviour triggered by reporting network validation - notably, NetworkAgent + // behaviour - depends not only on the value passed by notifyNetworkTested, but also on the + // fact that notifyNetworkTested was called. For example, telephony triggers network recovery + // any time it is told that validation failed, i.e., if the result does not contain + // NETWORK_VALIDATION_RESULT_VALID. But with this scheme, the first two or three validation + // reports are all failures, because they are "HTTP succeeded but validation not yet passed", + // "HTTP and HTTPS succeeded but validation not yet passed", etc. @VisibleForTesting protected class EvaluationState { // The latest validation result for this network. This is a bitmask of @@ -2088,13 +2098,12 @@ public class NetworkMonitor extends StateMachine { } // Probe result for http probe should be updated from reportHttpProbeResult(). - protected void reportProbeResult(int probeResult, boolean succeeded) { + protected void noteProbeResult(int probeResult, boolean succeeded) { if (succeeded) { mProbeResults |= probeResult; } else { mProbeResults &= ~probeResult; } - notifyNetworkTested(getNetworkTestResult(), mRedirectUrl); } protected void reportEvaluationResult(int result, @Nullable String redirectUrl) { @@ -2138,6 +2147,6 @@ public class NetworkMonitor extends StateMachine { if (succeeded) { probeResult |= NETWORK_VALIDATION_PROBE_DNS; } - mEvaluationState.reportProbeResult(probeResult, succeeded); + mEvaluationState.noteProbeResult(probeResult, succeeded); } } |