1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
|
//
// Copyright (C) 2022 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.
#include <sys/utsname.h>
#include <uuid.h>
#include "common/libs/utils/files.h"
#include "common/libs/utils/flag_parser.h"
#include "host/commands/metrics/events.h"
#include "host/commands/metrics/metrics_defs.h"
#include "host/commands/metrics/proto/cf_metrics_protos.h"
#include "host/commands/metrics/utils.h"
#include "host/libs/config/cuttlefish_config.h"
#include "host/libs/vm_manager/crosvm_manager.h"
#include "host/libs/vm_manager/qemu_manager.h"
#include "shared/api_level.h"
namespace cuttlefish {
namespace {
constexpr int kLogSourceId = 1753;
constexpr char kLogSourceStr[] = "CUTTLEFISH_METRICS";
constexpr int kCppClientType =
19; // C++ native client type (clientanalytics.proto)
std::pair<uint64_t, uint64_t> ConvertMillisToTime(uint64_t millis) {
uint64_t seconds = millis / 1000;
uint64_t nanos = (millis % 1000) * 1000000;
return {seconds, nanos};
}
std::unique_ptr<CuttlefishLogEvent> BuildCfLogEvent(
uint64_t now_ms, CuttlefishLogEvent::DeviceType device_type) {
auto [now_s, now_ns] = ConvertMillisToTime(now_ms);
// "cfEvent" is the top level CuttlefishLogEvent
auto cfEvent = std::make_unique<CuttlefishLogEvent>();
cfEvent->set_device_type(device_type);
cfEvent->set_session_id(metrics::GenerateSessionId(now_ms));
if (!metrics::GetCfVersion().empty()) {
cfEvent->set_cuttlefish_version(metrics::GetCfVersion());
}
Timestamp* timestamp = cfEvent->mutable_timestamp_ms();
timestamp->set_seconds(now_s);
timestamp->set_nanos(now_ns);
return cfEvent;
}
cuttlefish::MetricsEvent::OsType GetOsType() {
struct utsname buf;
if (uname(&buf) != 0) {
LOG(ERROR) << "failed to retrieve system information";
return cuttlefish::MetricsEvent::CUTTLEFISH_OS_TYPE_UNSPECIFIED;
}
std::string sysname(buf.sysname);
std::string machine(buf.machine);
if (sysname != "Linux") {
return cuttlefish::MetricsEvent::CUTTLEFISH_OS_TYPE_UNSPECIFIED;
}
if (machine == "x86_64") {
return cuttlefish::MetricsEvent::CUTTLEFISH_OS_TYPE_LINUX_X86_64;
}
if (machine == "x86") {
return cuttlefish::MetricsEvent::CUTTLEFISH_OS_TYPE_LINUX_X86;
}
if (machine == "aarch64" || machine == "arm64") {
return cuttlefish::MetricsEvent::CUTTLEFISH_OS_TYPE_LINUX_AARCH64;
}
if (machine[0] == 'a') {
return cuttlefish::MetricsEvent::CUTTLEFISH_OS_TYPE_LINUX_AARCH32;
}
return cuttlefish::MetricsEvent::CUTTLEFISH_OS_TYPE_UNSPECIFIED;
}
cuttlefish::MetricsEvent::VmmType GetVmmManager() {
auto config = cuttlefish::CuttlefishConfig::Get();
CHECK(config) << "Could not open cuttlefish config";
auto vmm = config->vm_manager();
if (vmm == cuttlefish::vm_manager::CrosvmManager::name()) {
return cuttlefish::MetricsEvent::CUTTLEFISH_VMM_TYPE_CROSVM;
}
if (vmm == cuttlefish::vm_manager::QemuManager::name()) {
return cuttlefish::MetricsEvent::CUTTLEFISH_VMM_TYPE_QEMU;
}
return cuttlefish::MetricsEvent::CUTTLEFISH_VMM_TYPE_UNSPECIFIED;
}
// Builds the 2nd level MetricsEvent.
void AddCfMetricsEventToLog(uint64_t now_ms, CuttlefishLogEvent* cfEvent,
MetricsEvent::EventType event_type) {
auto [now_s, now_ns] = ConvertMillisToTime(now_ms);
// "metrics_event" is the 2nd level MetricsEvent
cuttlefish::MetricsEvent* metrics_event = cfEvent->mutable_metrics_event();
metrics_event->set_event_type(event_type);
metrics_event->set_os_type(GetOsType());
metrics_event->set_os_version(metrics::GetOsVersion());
metrics_event->set_vmm_type(GetVmmManager());
if (!metrics::GetVmmVersion().empty()) {
metrics_event->set_vmm_version(metrics::GetVmmVersion());
}
metrics_event->set_company(metrics::GetCompany());
metrics_event->set_api_level(PRODUCT_SHIPPING_API_LEVEL);
Timestamp* metrics_timestamp = metrics_event->mutable_event_time_ms();
metrics_timestamp->set_seconds(now_s);
metrics_timestamp->set_nanos(now_ns);
}
std::unique_ptr<LogRequest> BuildLogRequest(uint64_t now_ms,
CuttlefishLogEvent* cfEvent) {
// "log_request" is the top level LogRequest
auto log_request = std::make_unique<LogRequest>();
log_request->set_request_time_ms(now_ms);
log_request->set_log_source(kLogSourceId);
log_request->set_log_source_name(kLogSourceStr);
ClientInfo* client_info = log_request->mutable_client_info();
client_info->set_client_type(kCppClientType);
std::string cfLogStr;
if (!cfEvent->SerializeToString(&cfLogStr)) {
LOG(ERROR) << "Serialization failed for event";
return nullptr;
}
LogEvent* logEvent = log_request->add_log_event();
logEvent->set_event_time_ms(now_ms);
logEvent->set_source_extension(cfLogStr);
return log_request;
}
} // namespace
int Clearcut::SendEvent(CuttlefishLogEvent::DeviceType device_type,
MetricsEvent::EventType event_type) {
uint64_t now_ms = metrics::GetEpochTimeMs();
auto cfEvent = BuildCfLogEvent(now_ms, device_type);
AddCfMetricsEventToLog(now_ms, cfEvent.get(), event_type);
auto logRequest = BuildLogRequest(now_ms, cfEvent.get());
if (!logRequest) {
LOG(ERROR) << "Failed to build LogRequest";
return MetricsExitCodes::kMetricsError;
}
std::string logRequestStr;
if (!logRequest->SerializeToString(&logRequestStr)) {
LOG(ERROR) << "Serialization failed for LogRequest";
return MetricsExitCodes::kMetricsError;
}
return metrics::PostRequest(logRequestStr, metrics::kProd);
}
int Clearcut::SendVMStart(CuttlefishLogEvent::DeviceType device) {
return SendEvent(device,
MetricsEvent::CUTTLEFISH_EVENT_TYPE_VM_INSTANTIATION);
}
int Clearcut::SendVMStop(CuttlefishLogEvent::DeviceType device) {
return SendEvent(device, MetricsEvent::CUTTLEFISH_EVENT_TYPE_VM_STOP);
}
int Clearcut::SendDeviceBoot(CuttlefishLogEvent::DeviceType device) {
return SendEvent(device, MetricsEvent::CUTTLEFISH_EVENT_TYPE_DEVICE_BOOT);
}
int Clearcut::SendLockScreen(CuttlefishLogEvent::DeviceType device) {
return SendEvent(device,
MetricsEvent::CUTTLEFISH_EVENT_TYPE_LOCK_SCREEN_AVAILABLE);
}
// TODO (moelsherif@): remove this function in the future since it is not used
cuttlefish::CuttlefishLogEvent* sampleEvent() {
cuttlefish::CuttlefishLogEvent* event = new cuttlefish::CuttlefishLogEvent();
event->set_device_type(
cuttlefish::CuttlefishLogEvent::CUTTLEFISH_DEVICE_TYPE_HOST);
return event;
}
// TODO (moelsherif@): remove this function in the future since it is not used
std::string ProtoToString(LogEvent* event) {
std::string output;
if (!event->SerializeToString(&output)) {
LOG(ERROR) << "failed to serialize proto LogEvent";
}
return output;
}
} // namespace cuttlefish
|
