1 /*
2 * Copyright 2023 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 <base/at_exit.h>
18 #include <base/files/file_descriptor_watcher_posix.h>
19 #include <base/files/file_util.h>
20 #include <base/logging.h>
21 #include <base/run_loop.h>
22 #include <base/strings/stringprintf.h>
23 #include <base/task/single_thread_task_executor.h>
24 #include <bluetooth/log.h>
25 #include <sys/syslog.h>
26
27 #include "mmc/daemon/service.h"
28
29 // syslog.h and base/logging.h both try to #define LOG_INFO and LOG_WARNING.
30 // We need to #undef at least these two before including base/logging.h. The
31 // others are included to be consistent.
32 namespace {
33 const int kSyslogDebug = LOG_DEBUG;
34 const int kSyslogInfo = LOG_INFO;
35 const int kSyslogWarning = LOG_WARNING;
36 const int kSyslogError = LOG_ERR;
37 const int kSyslogCritical = LOG_CRIT;
38
39 #undef LOG_INFO
40 #undef LOG_WARNING
41 #undef LOG_ERR
42 #undef LOG_CRIT
43 } // namespace
44
MessageHandler(int severity,const char * file,int line,size_t message_start,const std::string & message)45 static bool MessageHandler(int severity, const char* file, int line, size_t message_start,
46 const std::string& message) {
47 const auto str =
48 base::StringPrintf("%s:%d - %s", file, line, message.substr(message_start).c_str());
49
50 switch (severity) {
51 case logging::LOGGING_INFO:
52 severity = kSyslogInfo;
53 break;
54
55 case logging::LOGGING_WARNING:
56 severity = kSyslogWarning;
57 break;
58
59 case logging::LOGGING_ERROR:
60 severity = kSyslogError;
61 break;
62
63 case logging::LOGGING_FATAL:
64 severity = kSyslogCritical;
65 break;
66
67 default:
68 severity = kSyslogDebug;
69 break;
70 }
71
72 syslog(severity, "%s", str.c_str());
73
74 if (severity == kSyslogCritical) {
75 abort();
76 }
77
78 return true;
79 }
80
main(int argc,char * argv[])81 int main(int argc, char* argv[]) {
82 // Set up syslog to stderr.
83 logging::LoggingSettings settings;
84 settings.logging_dest = logging::LOG_TO_SYSTEM_DEBUG_LOG | logging::LOG_TO_STDERR;
85 logging::SetLogItems(false, false, false, false);
86 logging::InitLogging(settings);
87 logging::SetLogMessageHandler(MessageHandler);
88
89 bluetooth::log::info("Start MMC daemon");
90
91 // These are needed to send D-Bus signals and receive messages.
92 // Even though they are not used directly, they set up some global state
93 // needed by the D-Bus library.
94 base::SingleThreadTaskExecutor task_executor(base::MessagePumpType::IO);
95 base::FileDescriptorWatcher watcher(task_executor.task_runner());
96 base::AtExitManager at_exit_manager;
97
98 base::RunLoop run_loop;
99
100 auto service = std::make_unique<mmc::Service>(run_loop.QuitClosure());
101 bluetooth::log::assert_that(service->Init(), "assert failed: service->Init()");
102
103 run_loop.Run();
104
105 return 0;
106 }
107