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      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_audiorecord"
     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 
     40 bool statsd_audiorecord(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::AudioRecordData metrics_proto;
     54 
     55     // flesh out the protobuf we'll hand off with our data
     56     //
     57     char *encoding = NULL;
     58     if (item->getCString("android.media.audiorecord.encoding", &encoding)) {
     59         metrics_proto.set_encoding(encoding);
     60     }
     61 
     62     char *source = NULL;
     63     if (item->getCString("android.media.audiorecord.source", &source)) {
     64         metrics_proto.set_source(source);
     65     }
     66 
     67     int32_t latency = -1;
     68     if (item->getInt32("android.media.audiorecord.latency", &latency)) {
     69         metrics_proto.set_latency(latency);
     70     }
     71 
     72     int32_t samplerate = -1;
     73     if (item->getInt32("android.media.audiorecord.samplerate", &samplerate)) {
     74         metrics_proto.set_samplerate(samplerate);
     75     }
     76 
     77     int32_t channels = -1;
     78     if (item->getInt32("android.media.audiorecord.channels", &channels)) {
     79         metrics_proto.set_channels(channels);
     80     }
     81 
     82     int64_t createdMs = -1;
     83     if (item->getInt64("android.media.audiorecord.createdMs", &createdMs)) {
     84         metrics_proto.set_created_millis(createdMs);
     85     }
     86 
     87     int64_t durationMs = -1;
     88     if (item->getInt64("android.media.audiorecord.durationMs", &durationMs)) {
     89         metrics_proto.set_duration_millis(durationMs);
     90     }
     91 
     92     int32_t count = -1;
     93     if (item->getInt32("android.media.audiorecord.n", &count)) {
     94         metrics_proto.set_count(count);
     95     }
     96 
     97     int32_t errcode = -1;
     98     if (item->getInt32("android.media.audiorecord.errcode", &errcode)) {
     99         metrics_proto.set_error_code(errcode);
    100     } else if (item->getInt32("android.media.audiorecord.lastError.code", &errcode)) {
    101         metrics_proto.set_error_code(errcode);
    102     }
    103 
    104     char *errfunc = NULL;
    105     if (item->getCString("android.media.audiorecord.errfunc", &errfunc)) {
    106         metrics_proto.set_error_function(errfunc);
    107     } else if (item->getCString("android.media.audiorecord.lastError.at", &errfunc)) {
    108         metrics_proto.set_error_function(errfunc);
    109     }
    110 
    111     // portId (int32)
    112     int32_t port_id = -1;
    113     if (item->getInt32("android.media.audiorecord.portId", &port_id)) {
    114         metrics_proto.set_port_id(count);
    115     }
    116     // frameCount (int32)
    117     int32_t frameCount = -1;
    118     if (item->getInt32("android.media.audiorecord.frameCount", &frameCount)) {
    119         metrics_proto.set_frame_count(frameCount);
    120     }
    121     // attributes (string)
    122     char *attributes = NULL;
    123     if (item->getCString("android.media.audiorecord.attributes", &attributes)) {
    124         metrics_proto.set_attributes(attributes);
    125     }
    126     // channelMask (int64)
    127     int64_t channelMask = -1;
    128     if (item->getInt64("android.media.audiorecord.channelMask", &channelMask)) {
    129         metrics_proto.set_channel_mask(channelMask);
    130     }
    131     // startcount (int64)
    132     int64_t startcount = -1;
    133     if (item->getInt64("android.media.audiorecord.startcount", &startcount)) {
    134         metrics_proto.set_start_count(startcount);
    135     }
    136 
    137 
    138     std::string serialized;
    139     if (!metrics_proto.SerializeToString(&serialized)) {
    140         ALOGE("Failed to serialize audiorecord metrics");
    141         return false;
    142     }
    143 
    144     if (enabled_statsd) {
    145         android::util::BytesField bf_serialized( serialized.c_str(), serialized.size());
    146         (void)android::util::stats_write(android::util::MEDIAMETRICS_AUDIORECORD_REPORTED,
    147                                    timestamp, pkgName.c_str(), pkgVersionCode,
    148                                    mediaApexVersion,
    149                                    bf_serialized);
    150 
    151     } else {
    152         ALOGV("NOT sending: private data (len=%zu)", strlen(serialized.c_str()));
    153     }
    154 
    155     // must free the strings that we were given
    156     free(encoding);
    157     free(source);
    158     free(errfunc);
    159     free(attributes);
    160 
    161     return true;
    162 }
    163 
    164 };
    165