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_nuplayer.cpp b/services/mediaanalytics/statsd_nuplayer.cpp
new file mode 100644
index 0000000..5ec118a
--- /dev/null
+++ b/services/mediaanalytics/statsd_nuplayer.cpp
@@ -0,0 +1,178 @@
+/*
+ * 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_nuplayer"
+#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 {
+
+/*
+ *  handles nuplayer AND nuplayer2
+ *  checks for the union of what the two players generate
+ */
+bool statsd_nuplayer(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::NuPlayerData metrics_proto;
+
+    // flesh out the protobuf we'll hand off with our data
+    //
+
+    // differentiate between nuplayer and nuplayer2
+    metrics_proto.set_whichplayer(item->getKey().c_str());
+
+    char *video_mime = NULL;
+    if (item->getCString("android.media.mediaplayer.video.mime", &video_mime)) {
+        metrics_proto.set_video_mime(video_mime);
+    }
+    char *video_codec = NULL;
+    if (item->getCString("android.media.mediaplayer.video.codec", &video_codec)) {
+        metrics_proto.set_video_codec(video_codec);
+    }
+
+    int32_t width = -1;
+    if (item->getInt32("android.media.mediaplayer.width", &width)) {
+        metrics_proto.set_width(width);
+    }
+    int32_t height = -1;
+    if (item->getInt32("android.media.mediaplayer.height", &height)) {
+        metrics_proto.set_height(height);
+    }
+
+    int64_t frames = -1;
+    if (item->getInt64("android.media.mediaplayer.frames", &frames)) {
+        metrics_proto.set_frames(frames);
+    }
+    int64_t frames_dropped = -1;
+    if (item->getInt64("android.media.mediaplayer.dropped", &frames_dropped)) {
+        metrics_proto.set_frames_dropped(frames_dropped);
+    }
+    int64_t frames_dropped_startup = -1;
+    if (item->getInt64("android.media.mediaplayer.startupdropped", &frames_dropped_startup)) {
+        metrics_proto.set_frames_dropped_startup(frames_dropped_startup);
+    }
+    double fps = -1.0;
+    if (item->getDouble("android.media.mediaplayer.fps", &fps)) {
+        metrics_proto.set_framerate(fps);
+    }
+
+    char *audio_mime = NULL;
+    if (item->getCString("android.media.mediaplayer.audio.mime", &audio_mime)) {
+        metrics_proto.set_audio_mime(audio_mime);
+    }
+    char *audio_codec = NULL;
+    if (item->getCString("android.media.mediaplayer.audio.codec", &audio_codec)) {
+        metrics_proto.set_audio_codec(audio_codec);
+    }
+
+    int64_t duration_ms = -1;
+    if (item->getInt64("android.media.mediaplayer.durationMs", &duration_ms)) {
+        metrics_proto.set_duration_millis(duration_ms);
+    }
+    int64_t playing_ms = -1;
+    if (item->getInt64("android.media.mediaplayer.playingMs", &playing_ms)) {
+        metrics_proto.set_playing_millis(playing_ms);
+    }
+
+    int32_t err = -1;
+    if (item->getInt32("android.media.mediaplayer.err", &err)) {
+        metrics_proto.set_error(err);
+    }
+    int32_t error_code = -1;
+    if (item->getInt32("android.media.mediaplayer.errcode", &error_code)) {
+        metrics_proto.set_error_code(error_code);
+    }
+    char *error_state = NULL;
+    if (item->getCString("android.media.mediaplayer.errstate", &error_state)) {
+        metrics_proto.set_error_state(error_state);
+    }
+
+    char *data_source_type = NULL;
+    if (item->getCString("android.media.mediaplayer.dataSource", &data_source_type)) {
+        metrics_proto.set_data_source_type(data_source_type);
+    }
+
+    int64_t rebufferingMs = -1;
+    if (item->getInt64("android.media.mediaplayer.rebufferingMs", &rebufferingMs)) {
+        metrics_proto.set_rebuffering_millis(rebufferingMs);
+    }
+    int32_t rebuffers = -1;
+    if (item->getInt32("android.media.mediaplayer.rebuffers", &rebuffers)) {
+        metrics_proto.set_rebuffers(rebuffers);
+    }
+    int32_t rebufferExit = -1;
+    if (item->getInt32("android.media.mediaplayer.rebufferExit", &rebufferExit)) {
+        metrics_proto.set_rebuffer_at_exit(rebufferExit);
+    }
+
+
+    std::string serialized;
+    if (!metrics_proto.SerializeToString(&serialized)) {
+        ALOGE("Failed to serialize nuplayer metrics");
+        return false;
+    }
+
+    if (enabled_statsd) {
+        android::util::BytesField bf_serialized( serialized.c_str(), serialized.size());
+        (void)android::util::stats_write(android::util::MEDIAMETRICS_NUPLAYER_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(video_mime);
+    free(video_codec);
+    free(audio_mime);
+    free(audio_codec);
+    free(error_state);
+    free(data_source_type);
+
+    return true;
+}
+
+};