Take 2: Integrate StateTracker into statsd

Changes in this CL compared to previous StateTracker version:
- MetricsManager parses StatsdConfig for State information and updates
MetricProducers accordingly
- MetricProducer implements StateListener
- MetricProducer has a list of atom ids of its slice_by_states and any
state maps from these states. MetricProducers are responsible for
handling the conversion from original state value to mapped state value.
- More unit tests added and e2e CountMetric test added

Test: bit statsd_test:*
Bug: 136566566
Change-Id: I07ce468733a1affcadf2be0206e081fddbbce4c5

1 files changed, 14 insertions, 6 deletions

diff --git a/cmds/statsd/src/metrics/MetricsManager.cpp b/cmds/statsd/src/metrics/MetricsManager.cpp
index 963205ee56f4..7bae4b929b48 100644
--- a/cmds/statsd/src/metrics/MetricsManager.cpp
+++ b/cmds/statsd/src/metrics/MetricsManager.cpp
@@ -15,8 +15,12 @@
  */
 #define DEBUG false  // STOPSHIP if true
 #include "Log.h"
+
 #include "MetricsManager.h"
-#include "statslog.h"
+
+#include <log/logprint.h>
+#include <private/android_filesystem_config.h>
+#include <utils/SystemClock.h>
 
 #include "CountMetricProducer.h"
 #include "condition/CombinationConditionTracker.h"
@@ -25,12 +29,10 @@
 #include "matchers/CombinationLogMatchingTracker.h"
 #include "matchers/SimpleLogMatchingTracker.h"
 #include "metrics_manager_util.h"
-#include "stats_util.h"
+#include "state/StateManager.h"
 #include "stats_log_util.h"
-
-#include <log/logprint.h>
-#include <private/android_filesystem_config.h>
-#include <utils/SystemClock.h>
+#include "stats_util.h"
+#include "statslog.h"
 
 using android::util::FIELD_COUNT_REPEATED;
 using android::util::FIELD_TYPE_INT32;
@@ -149,6 +151,12 @@ MetricsManager::MetricsManager(const ConfigKey& key, const StatsdConfig& config,
 }
 
 MetricsManager::~MetricsManager() {
+    for (auto it : mAllMetricProducers) {
+        for (int atomId : it->getSlicedStateAtoms()) {
+            StateManager::getInstance().unregisterListener(atomId, it);
+        }
+    }
+
     VLOG("~MetricsManager()");
 }