connect mediametrics service to statsd
take the collected media.metrics (as they arrive) and push a copy over
to statsd, the statistics logging subsystem.
gather data, wrap in protobufs apppropriately, and submit it to statsd.
Bug: 118782504
Test: statsd's test_drive app
Change-Id: Ieb82c43633851075e9eaf65d2a95c8cba87441ea
diff --git a/services/mediaanalytics/statsd_extractor.cpp b/services/mediaanalytics/statsd_extractor.cpp
new file mode 100644
index 0000000..395c912
--- /dev/null
+++ b/services/mediaanalytics/statsd_extractor.cpp
@@ -0,0 +1,98 @@
+/*
+ * 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.
+ */
+
+//#define LOG_NDEBUG 0
+#define LOG_TAG "statsd_extractor"
+#include <utils/Log.h>
+
+#include <dirent.h>
+#include <inttypes.h>
+#include <pthread.h>
+#include <pwd.h>
+#include <stdint.h>
+#include <string.h>
+#include <sys/stat.h>
+#include <sys/time.h>
+#include <sys/types.h>
+#include <unistd.h>
+
+#include <statslog.h>
+
+#include "MediaAnalyticsService.h"
+#include "frameworks/base/core/proto/android/stats/mediametrics/mediametrics.pb.h"
+#include "iface_statsd.h"
+
+namespace android {
+
+bool statsd_extractor(MediaAnalyticsItem *item)
+{
+ if (item == NULL) return false;
+
+ // these go into the statsd wrapper
+ nsecs_t timestamp = item->getTimestamp();
+ std::string pkgName = item->getPkgName();
+ int64_t pkgVersionCode = item->getPkgVersionCode();
+ int64_t mediaApexVersion = 0;
+
+
+ // the rest into our own proto
+ //
+ ::android::stats::mediametrics::ExtractorData metrics_proto;
+
+ // flesh out the protobuf we'll hand off with our data
+ //
+
+ // android.media.mediaextractor.fmt string
+ char *fmt = NULL;
+ if (item->getCString("android.media.mediaextractor.fmt", &fmt)) {
+ metrics_proto.set_format(fmt);
+ }
+ // android.media.mediaextractor.mime string
+ char *mime = NULL;
+ if (item->getCString("android.media.mediaextractor.mime", &mime)) {
+ metrics_proto.set_mime(mime);
+ }
+ // android.media.mediaextractor.ntrk int32
+ int32_t ntrk = -1;
+ if (item->getInt32("android.media.mediaextractor.ntrk", &ntrk)) {
+ metrics_proto.set_tracks(ntrk);
+ }
+
+ std::string serialized;
+ if (!metrics_proto.SerializeToString(&serialized)) {
+ ALOGE("Failed to serialize extractor metrics");
+ return false;
+ }
+
+ if (enabled_statsd) {
+ android::util::BytesField bf_serialized( serialized.c_str(), serialized.size());
+ (void)android::util::stats_write(android::util::MEDIAMETRICS_EXTRACTOR_REPORTED,
+ timestamp, pkgName.c_str(), pkgVersionCode,
+ mediaApexVersion,
+ bf_serialized);
+
+ } else {
+ ALOGV("NOT sending: private data (len=%zu)", strlen(serialized.c_str()));
+ }
+
+ // must free the strings that we were given
+ free(fmt);
+ free(mime);
+
+ return true;
+}
+
+};