1 /*
2 * Copyright (C) 2019 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 //#define LOG_NDEBUG 0
18 #define LOG_TAG "statsd_extractor"
19 #include <utils/Log.h>
20
21 #include <dirent.h>
22 #include <inttypes.h>
23 #include <pthread.h>
24 #include <pwd.h>
25 #include <stdint.h>
26 #include <string.h>
27 #include <sys/stat.h>
28 #include <sys/time.h>
29 #include <sys/types.h>
30 #include <unistd.h>
31
32 #include <statslog.h>
33
34 #include "MediaAnalyticsService.h"
35 #include "frameworks/base/core/proto/android/stats/mediametrics/mediametrics.pb.h"
36 #include "iface_statsd.h"
37
38 namespace android {
39
statsd_extractor(MediaAnalyticsItem * item)40 bool statsd_extractor(MediaAnalyticsItem *item)
41 {
42 if (item == NULL) return false;
43
44 // these go into the statsd wrapper
45 nsecs_t timestamp = item->getTimestamp();
46 std::string pkgName = item->getPkgName();
47 int64_t pkgVersionCode = item->getPkgVersionCode();
48 int64_t mediaApexVersion = 0;
49
50
51 // the rest into our own proto
52 //
53 ::android::stats::mediametrics::ExtractorData metrics_proto;
54
55 // flesh out the protobuf we'll hand off with our data
56 //
57
58 // android.media.mediaextractor.fmt string
59 char *fmt = NULL;
60 if (item->getCString("android.media.mediaextractor.fmt", &fmt)) {
61 metrics_proto.set_format(fmt);
62 }
63 // android.media.mediaextractor.mime string
64 char *mime = NULL;
65 if (item->getCString("android.media.mediaextractor.mime", &mime)) {
66 metrics_proto.set_mime(mime);
67 }
68 // android.media.mediaextractor.ntrk int32
69 int32_t ntrk = -1;
70 if (item->getInt32("android.media.mediaextractor.ntrk", &ntrk)) {
71 metrics_proto.set_tracks(ntrk);
72 }
73
74 std::string serialized;
75 if (!metrics_proto.SerializeToString(&serialized)) {
76 ALOGE("Failed to serialize extractor metrics");
77 return false;
78 }
79
80 if (enabled_statsd) {
81 android::util::BytesField bf_serialized( serialized.c_str(), serialized.size());
82 (void)android::util::stats_write(android::util::MEDIAMETRICS_EXTRACTOR_REPORTED,
83 timestamp, pkgName.c_str(), pkgVersionCode,
84 mediaApexVersion,
85 bf_serialized);
86
87 } else {
88 ALOGV("NOT sending: private data (len=%zu)", strlen(serialized.c_str()));
89 }
90
91 // must free the strings that we were given
92 free(fmt);
93 free(mime);
94
95 return true;
96 }
97
98 };
99