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Add detail about L3 initialization

Browse Source 
Bug: b/70299597
Merge of http://go/wvgerrit/67304
Test: Android, CE CDM, and Linux tests

There's a few different things that can go wrong in the L3
initialization, with seeding and device key failures among others. They
should be recorded in metrics to track. Along the same lines, since
multiple errors can happen in conjunction, metrics needs to change to
add more fields for errors. This CL also adds the
hidl_metrics_adapter_unittest to the Android test scripts.

Change-Id: Ie5bcf81bbe294a1136c58410f90087a13b3d911d
This commit is contained in:
Srujan Gaddam
2018-12-13 10:23:31 -08:00
parent 25d29fd22b
commit 4c5c4caf66
16 changed files with 477068 additions and 474408 deletions
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52
libwvdrmengine/cdm/core/src/oemcrypto_adapter_dynamic.cpp
View File

@@ -437,8 +437,9 @@ class WatchDog {
if (size == size_read && flag) {
LOGE("Previous L3 Init failed.");
if (metrics == NULL) return;
metrics->OemCryptoDynamicAdapterMetrics::SetInitializationMode(
wvcdm::metrics::OEMCrypto_INITIALIZED_L3_INITIALIZATION_FAILED);
metrics
->OemCryptoDynamicAdapterMetrics::SetPreviousInitializationFailure(
wvcdm::metrics::OEMCrypto_INITIALIZED_L3_INITIALIZATION_FAILED);
}
}
}
@@ -480,7 +481,8 @@ class WatchDog {
}
// Called by main thread to wait for worker thread.
OEMCryptoResult WaitForStatusAndCleanUp() {
OEMCryptoResult WaitForStatusAndCleanUp(
wvcdm::metrics::OemCryptoDynamicAdapterMetrics* metrics) {
bool should_delete;
OEMCryptoResult status;
{
@@ -492,15 +494,51 @@ class WatchDog {
gave_up_ = true;
status_ = OEMCrypto_ERROR_INIT_FAILED;
LOGE("XXX WATCH DOG ERROR XXX");
// HACK: this normally just returns an error. However, we are using it
// as a signal to dump debugging information.
Level3_GetOEMPublicCertificate(0, NULL, NULL);
Level3_OutputErrorLogs();
SaveFailureInformation();
// This is controversial. The argument for an abort here is that if we
// do not abort, we will suck all the life out of the user's battery.
// By saving information to the file system, above, we can still track
// metrics.
abort();
} else if (metrics != NULL) {
// Even if we succeeded in calling initialize, there might be failures
// in the initialize process that we want to record.
wvoec3::Level3InitializationState state =
Level3_GetInitializationState();
switch (state) {
case wvoec3::LEVEL3_INITIALIZATION_UNKNOWN_FAILURE:
metrics
->OemCryptoDynamicAdapterMetrics::SetLevel3InitializationError(
wvcdm::metrics::
OEMCrypto_INITIALIZED_L3_INITIALIZATION_FAILED);
break;
case wvoec3::LEVEL3_SEED_FAILURE:
metrics
->OemCryptoDynamicAdapterMetrics::SetLevel3InitializationError(
wvcdm::metrics::OEMCrypto_INITIALIZED_L3_RNG_FAILED);
break;
case wvoec3::LEVEL3_SAVE_DEVICE_KEYS_FAILURE:
metrics
->OemCryptoDynamicAdapterMetrics::SetLevel3InitializationError(
wvcdm::metrics::
OEMCrypto_INITIALIZED_L3_SAVE_DEVICE_KEYS_FAILED);
break;
case wvoec3::LEVEL3_READ_DEVICE_KEYS_FAILURE:
metrics
->OemCryptoDynamicAdapterMetrics::SetLevel3InitializationError(
wvcdm::metrics::
OEMCrypto_INITIALIZED_L3_READ_DEVICE_KEYS_FAILED);
break;
case wvoec3::LEVEL3_VERIFY_DEVICE_KEYS_FAILURE:
metrics
->OemCryptoDynamicAdapterMetrics::SetLevel3InitializationError(
wvcdm::metrics::
OEMCrypto_INITIALIZED_L3_VERIFY_DEVICE_KEYS_FAILED);
break;
default:
break;
}
}
// If we gave up waiting for init thread, we should not delete the mutex
// out from under it.
@@ -600,7 +638,7 @@ class Adapter {
LOGI("Level 3 Build Info (v%d): %s", level3_.version,
level3_.BuildInformation());
}
OEMCryptoResult result = watcher->WaitForStatusAndCleanUp();
OEMCryptoResult result = watcher->WaitForStatusAndCleanUp(&metrics);
if (Level3_IsInApp()) {
metrics.SetInitializationMode(
wvcdm::metrics::OEMCrypto_INITIALIZED_USING_IN_APP);