1 /*
2 * Copyright (C) 2018 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 #include "binder/iiorap_impl.h"
18 #include "common/debug.h"
19 #include "common/loggers.h"
20 #include "common/property.h"
21 #include "db/models.h"
22 #include "manager/event_manager.h"
23
24 #include <android-base/logging.h>
25 #include <android-base/properties.h>
26 #include <binder/IPCThreadState.h>
27 #include <server_configurable_flags/get_flags.h>
28 #include <utils/Trace.h>
29
30 #include <stdio.h>
31
32 static constexpr const char* kServiceName = iorap::binder::IIorapImpl::getServiceName();
33
main(int,char ** argv)34 int main(int /*argc*/, char** argv) {
35 bool tracing_allowed = iorap::common::IsTracingEnabled(/*default_value=*/"false");
36 bool readahead_allowed = iorap::common::IsReadAheadEnabled(/*default_value*/"false");
37 if (!tracing_allowed && !readahead_allowed) {
38 LOG(INFO) << "Turn off IORap because both tracing and prefetching are off.";
39 return 0;
40 }
41
42 if (android::base::GetBoolProperty("iorapd.log.verbose", iorap::kIsDebugBuild)) {
43 // Show verbose logs if the property is enabled or if we are a debug build.
44 setenv("ANDROID_LOG_TAGS", "*:v", /*overwrite*/ 1);
45 }
46
47 // Logs go to system logcat.
48 android::base::InitLogging(argv, iorap::common::StderrAndLogdLogger{android::base::SYSTEM});
49
50 LOG(INFO) << kServiceName << " (the prefetchening) firing up";
51 {
52 android::ScopedTrace trace_db_init{ATRACE_TAG_ACTIVITY_MANAGER, "IorapNativeService::db_init"};
53 iorap::db::SchemaModel db_schema =
54 iorap::db::SchemaModel::GetOrCreate(
55 android::base::GetProperty("iorapd.db.location",
56 "/data/misc/iorapd/sqlite.db"));
57 db_schema.MarkSingleton();
58 }
59
60 std::shared_ptr<iorap::manager::EventManager> event_manager;
61 {
62 android::ScopedTrace trace_start{ATRACE_TAG_ACTIVITY_MANAGER, "IorapNativeService::start"};
63
64 // TODO: use fruit for this DI.
65 event_manager =
66 iorap::manager::EventManager::Create();
67 if (!iorap::binder::IIorapImpl::Start(event_manager)) {
68 LOG(ERROR) << "Unable to start IorapNativeService";
69 exit(1);
70 }
71 }
72
73 // This must be logged after all other initialization has finished.
74 LOG(INFO) << kServiceName << " (the prefetchening) readied up";
75
76 event_manager->Join(); // TODO: shutdown somewhere?
77 // Block until something else shuts down the binder service.
78 android::IPCThreadState::self()->joinThreadPool();
79 LOG(INFO) << kServiceName << " shutting down";
80
81 return 0;
82 }
83