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 "MediaMetricsService.h"
34 #include "iface_statsd.h"
35
36 #include <statslog.h>
37
38 #include <array>
39 #include <string>
40
41 namespace android {
42
43 // mediadrm
statsd_mediadrm(const mediametrics::Item * item)44 bool statsd_mediadrm(const mediametrics::Item *item)
45 {
46 if (item == nullptr) return false;
47
48 const nsecs_t timestamp = MediaMetricsService::roundTime(item->getTimestamp());
49 std::string pkgName = item->getPkgName();
50 int64_t pkgVersionCode = item->getPkgVersionCode();
51 int64_t mediaApexVersion = 0;
52
53 std::string vendor;
54 (void) item->getString("vendor", &vendor);
55 std::string description;
56 (void) item->getString("description", &description);
57 std::string serialized_metrics;
58 (void) item->getString("serialized_metrics", &serialized_metrics);
59
60 if (enabled_statsd) {
61 android::util::BytesField bf_serialized(serialized_metrics.c_str(),
62 serialized_metrics.size());
63 android::util::stats_write(android::util::MEDIAMETRICS_MEDIADRM_REPORTED,
64 timestamp, pkgName.c_str(), pkgVersionCode,
65 mediaApexVersion,
66 vendor.c_str(),
67 description.c_str(),
68 bf_serialized);
69 } else {
70 ALOGV("NOT sending: mediadrm private data (len=%zu)", serialized_metrics.size());
71 }
72
73 return true;
74 }
75
76 // widevineCDM
statsd_widevineCDM(const mediametrics::Item * item)77 bool statsd_widevineCDM(const mediametrics::Item *item)
78 {
79 if (item == nullptr) return false;
80
81 const nsecs_t timestamp = MediaMetricsService::roundTime(item->getTimestamp());
82 std::string pkgName = item->getPkgName();
83 int64_t pkgVersionCode = item->getPkgVersionCode();
84 int64_t mediaApexVersion = 0;
85
86 std::string serialized_metrics;
87 (void) item->getString("serialized_metrics", &serialized_metrics);
88
89 if (enabled_statsd) {
90 android::util::BytesField bf_serialized(serialized_metrics.c_str(),
91 serialized_metrics.size());
92 android::util::stats_write(android::util::MEDIAMETRICS_DRM_WIDEVINE_REPORTED,
93 timestamp, pkgName.c_str(), pkgVersionCode,
94 mediaApexVersion,
95 bf_serialized);
96 } else {
97 ALOGV("NOT sending: widevine private data (len=%zu)", serialized_metrics.size());
98 }
99
100 return true;
101 }
102
103 // drmmanager
statsd_drmmanager(const mediametrics::Item * item)104 bool statsd_drmmanager(const mediametrics::Item *item)
105 {
106 using namespace std::string_literals;
107 if (item == nullptr) return false;
108
109 if (!enabled_statsd) {
110 ALOGV("NOT sending: drmmanager data");
111 return true;
112 }
113
114 const nsecs_t timestamp = MediaMetricsService::roundTime(item->getTimestamp());
115 std::string pkgName = item->getPkgName();
116 int64_t pkgVersionCode = item->getPkgVersionCode();
117 int64_t mediaApexVersion = 0;
118
119 std::string plugin_id;
120 (void) item->getString("plugin_id", &plugin_id);
121 std::string description;
122 (void) item->getString("description", &description);
123 int32_t method_id = -1;
124 (void) item->getInt32("method_id", &method_id);
125 std::string mime_types;
126 (void) item->getString("mime_types", &mime_types);
127
128 // Corresponds to the 13 APIs tracked in the MediametricsDrmManagerReported statsd proto
129 // Please see also DrmManager::kMethodIdMap
130 std::array<int64_t, 13> methodCounts{};
131 for (size_t i = 0; i < methodCounts.size() ; i++) {
132 item->getInt64(("method"s + std::to_string(i)).c_str(), &methodCounts[i]);
133 }
134
135 android::util::stats_write(android::util::MEDIAMETRICS_DRMMANAGER_REPORTED,
136 timestamp, pkgName.c_str(), pkgVersionCode, mediaApexVersion,
137 plugin_id.c_str(), description.c_str(),
138 method_id, mime_types.c_str(),
139 methodCounts[0], methodCounts[1], methodCounts[2],
140 methodCounts[3], methodCounts[4], methodCounts[5],
141 methodCounts[6], methodCounts[7], methodCounts[8],
142 methodCounts[9], methodCounts[10], methodCounts[11],
143 methodCounts[12]);
144
145 return true;
146 }
147
148 } // namespace android
149