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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_drm"
     19 #include <utils/Log.h>
     20 
     21 #include <stdint.h>
     22 #include <inttypes.h>
     23 #include <sys/types.h>
     24 #include <sys/stat.h>
     25 #include <sys/time.h>
     26 #include <dirent.h>
     27 #include <pthread.h>
     28 #include <unistd.h>
     29 
     30 #include <string.h>
     31 #include <pwd.h>
     32 
     33 #include "MediaAnalyticsService.h"
     34 #include "iface_statsd.h"
     35 
     36 #include <statslog.h>
     37 
     38 namespace android {
     39 
     40 // mediadrm
     41 bool statsd_mediadrm(MediaAnalyticsItem *item)
     42 {
     43     if (item == NULL) return false;
     44 
     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     char *vendor = NULL;
     51     (void) item->getCString("vendor", &vendor);
     52     char *description = NULL;
     53     (void) item->getCString("description", &description);
     54     char *serialized_metrics = NULL;
     55     (void) item->getCString("serialized_metrics", &serialized_metrics);
     56 
     57     if (enabled_statsd) {
     58         android::util::BytesField bf_serialized(serialized_metrics ? serialized_metrics : NULL,
     59                                                 serialized_metrics ? strlen(serialized_metrics)
     60                                                                    : 0);
     61         android::util::stats_write(android::util::MEDIAMETRICS_MEDIADRM_REPORTED,
     62                                    timestamp, pkgName.c_str(), pkgVersionCode,
     63                                    mediaApexVersion,
     64                                    vendor, description,
     65                                    bf_serialized);
     66     } else {
     67         ALOGV("NOT sending: mediadrm private data (len=%zu)",
     68               serialized_metrics ? strlen(serialized_metrics) : 0);
     69     }
     70 
     71     free(vendor);
     72     free(description);
     73     free(serialized_metrics);
     74     return true;
     75 }
     76 
     77 // widevineCDM
     78 bool statsd_widevineCDM(MediaAnalyticsItem *item)
     79 {
     80     if (item == NULL) return false;
     81 
     82     nsecs_t timestamp = item->getTimestamp();
     83     std::string pkgName = item->getPkgName();
     84     int64_t pkgVersionCode = item->getPkgVersionCode();
     85     int64_t mediaApexVersion = 0;
     86 
     87     char *serialized_metrics = NULL;
     88     (void) item->getCString("serialized_metrics", &serialized_metrics);
     89 
     90     if (enabled_statsd) {
     91         android::util::BytesField bf_serialized(serialized_metrics ? serialized_metrics : NULL,
     92                                                 serialized_metrics ? strlen(serialized_metrics)
     93                                                                    : 0);
     94         android::util::stats_write(android::util::MEDIAMETRICS_DRM_WIDEVINE_REPORTED,
     95                                    timestamp, pkgName.c_str(), pkgVersionCode,
     96                                    mediaApexVersion,
     97                                    bf_serialized);
     98     } else {
     99         ALOGV("NOT sending: widevine private data (len=%zu)",
    100               serialized_metrics ? strlen(serialized_metrics) : 0);
    101     }
    102 
    103     free(serialized_metrics);
    104     return true;
    105 }
    106 
    107 } // namespace android
    108