Persist active metrics to disk and read back
For metric activation that spans across boots, we need to persist active
metrics onto disk upon shutdown and load them on boot.
Bug: 123904359
Test: unit test
Change-Id: I5a4142a42595c8c132175fb574c3aa2ad30dcac0
diff --git a/cmds/statsd/src/active_config_list.proto b/cmds/statsd/src/active_config_list.proto
new file mode 100644
index 0000000..0e9ee03
--- /dev/null
+++ b/cmds/statsd/src/active_config_list.proto
@@ -0,0 +1,43 @@
+/*
+ * Copyright (C) 2019 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+syntax = "proto2";
+
+package android.os.statsd;
+option java_package = "com.android.os";
+option java_multiple_files = true;
+option java_outer_classname = "ActiveConfigProto";
+
+message ActiveMetric {
+ // metric id
+ optional int64 metric_id = 1;
+ // Remaining time to live in nano seconds. -1 for infinity.
+ optional int64 time_to_live_nanos = 2;
+}
+
+message ActiveConfig {
+ // config id
+ optional int64 config_id = 1;
+ // config uid
+ optional int32 uid = 2;
+ // metrics
+ repeated ActiveMetric active_metric = 3;
+}
+
+// all configs and their metrics on device.
+message ActiveConfigList {
+ repeated ActiveConfig active_config = 1;
+}
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