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
|
/*
* Copyright (C) 2017 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.
*/
#define DEBUG false // STOPSHIP if true
#include "Log.h"
#include "StatsService.h"
#include "socket/StatsSocketListener.h"
#include <binder/IInterface.h>
#include <binder/IPCThreadState.h>
#include <binder/IServiceManager.h>
#include <binder/ProcessState.h>
#include <binder/Status.h>
#include <hidl/HidlTransportSupport.h>
#include <utils/Looper.h>
#include <utils/StrongPointer.h>
#include <memory>
#include <stdio.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <unistd.h>
using namespace android;
using namespace android::os::statsd;
/**
* Thread function data.
*/
struct log_reader_thread_data {
sp<StatsService> service;
};
sp<StatsService> gStatsService = nullptr;
void sigHandler(int sig) {
if (gStatsService != nullptr) {
gStatsService->Terminate();
}
ALOGW("statsd terminated on receiving signal %d.", sig);
exit(1);
}
void registerSigHandler()
{
struct sigaction sa;
sigemptyset(&sa.sa_mask);
sa.sa_flags = 0;
sa.sa_handler = sigHandler;
sigaction(SIGHUP, &sa, nullptr);
sigaction(SIGINT, &sa, nullptr);
sigaction(SIGQUIT, &sa, nullptr);
sigaction(SIGTERM, &sa, nullptr);
}
int main(int /*argc*/, char** /*argv*/) {
// Set up the looper
sp<Looper> looper(Looper::prepare(0 /* opts */));
// Set up the binder
sp<ProcessState> ps(ProcessState::self());
ps->setThreadPoolMaxThreadCount(9);
ps->startThreadPool();
ps->giveThreadPoolName();
IPCThreadState::self()->disableBackgroundScheduling(true);
::android::hardware::configureRpcThreadpool(4 /*threads*/, false /*willJoin*/);
std::shared_ptr<LogEventQueue> eventQueue =
std::make_shared<LogEventQueue>(2000 /*buffer limit. Buffer is NOT pre-allocated*/);
// Create the service
gStatsService = new StatsService(looper, eventQueue);
if (defaultServiceManager()->addService(String16("stats"), gStatsService, false,
IServiceManager::DUMP_FLAG_PRIORITY_NORMAL | IServiceManager::DUMP_FLAG_PROTO)
!= 0) {
ALOGE("Failed to add service as AIDL service");
return -1;
}
auto ret = gStatsService->registerAsService();
if (ret != ::android::OK) {
ALOGE("Failed to add service as HIDL service");
return 1; // or handle error
}
registerSigHandler();
gStatsService->sayHiToStatsCompanion();
gStatsService->Startup();
sp<StatsSocketListener> socketListener = new StatsSocketListener(eventQueue);
ALOGI("Statsd starts to listen to socket.");
// Backlog and /proc/sys/net/unix/max_dgram_qlen set to large value
if (socketListener->startListener(600)) {
exit(1);
}
// Loop forever -- the reports run on this thread in a handler, and the
// binder calls remain responsive in their pool of one thread.
while (true) {
looper->pollAll(-1 /* timeoutMillis */);
}
ALOGW("statsd escaped from its loop.");
return 1;
}
|
