1 // Copyright 2021 The Pigweed Authors
2 //
3 // Licensed under the Apache License, Version 2.0 (the "License"); you may not
4 // use this file except in compliance with the License. You may obtain a copy of
5 // the License at
6 //
7 // https://www.apache.org/licenses/LICENSE-2.0
8 //
9 // Unless required by applicable law or agreed to in writing, software
10 // distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
11 // WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
12 // License for the specific language governing permissions and limitations under
13 // the License.
14 #define PW_LOG_MODULE_NAME "pw_system"
15
16 #include "pw_system/init.h"
17
18 #include "pw_log/log.h"
19 #include "pw_metric/global.h"
20 #include "pw_metric/metric_service_pwpb.h"
21 #include "pw_rpc/echo_service_pwpb.h"
22 #include "pw_system/config.h"
23 #include "pw_system/device_service.h"
24 #include "pw_system/log.h"
25 #include "pw_system/rpc_server.h"
26 #include "pw_system/target_hooks.h"
27 #include "pw_system/work_queue.h"
28 #include "pw_thread/detached_thread.h"
29
30 #if PW_SYSTEM_ENABLE_TRANSFER_SERVICE
31 #include "pw_system/file_service.h"
32 #include "pw_system/transfer_service.h"
33 #endif // PW_SYSTEM_ENABLE_TRANSFER_SERVICE
34
35 #if PW_SYSTEM_ENABLE_TRACE_SERVICE
36 #include "pw_system/trace_service.h"
37 #include "pw_trace/trace.h"
38 #endif // PW_SYSTEM_ENABLE_TRACE_SERVICE
39
40 #include "pw_system/file_manager.h"
41
42 #if PW_SYSTEM_ENABLE_THREAD_SNAPSHOT_SERVICE
43 #include "pw_system/thread_snapshot_service.h"
44 #endif // PW_SYSTEM_ENABLE_THREAD_SNAPSHOT_SERVICE
45
46 #if PW_SYSTEM_ENABLE_CRASH_HANDLER
47 #include "pw_system/crash_handler.h"
48 #include "pw_system/crash_snapshot.h"
49 #endif // PW_SYSTEM_ENABLE_CRASH_HANDLER
50
51 namespace pw::system {
52 namespace {
53 metric::MetricService metric_service(metric::global_metrics,
54 metric::global_groups);
55
56 rpc::EchoService echo_service;
57
InitImpl()58 void InitImpl() {
59 #if PW_SYSTEM_ENABLE_TRACE_SERVICE
60 // tracing is off by default, requring a user to enable it through
61 // the trace service
62 PW_TRACE_SET_ENABLED(false);
63 #endif
64
65 PW_LOG_INFO("System init");
66
67 // Setup logging.
68 const Status status = GetLogThread().OpenUnrequestedLogStream(
69 kLoggingRpcChannelId, GetRpcServer(), GetLogService());
70 if (!status.ok()) {
71 PW_LOG_ERROR("Error opening unrequested log streams %d",
72 static_cast<int>(status.code()));
73 }
74
75 PW_LOG_INFO("Registering RPC services");
76 GetRpcServer().RegisterService(echo_service);
77 GetRpcServer().RegisterService(GetLogService());
78 GetRpcServer().RegisterService(metric_service);
79 RegisterDeviceService(GetRpcServer());
80
81 #if PW_SYSTEM_ENABLE_TRANSFER_SERVICE
82 RegisterTransferService(GetRpcServer());
83 RegisterFileService(GetRpcServer());
84 #endif // PW_SYSTEM_ENABLE_TRANSFER_SERVICE
85
86 #if PW_SYSTEM_ENABLE_TRACE_SERVICE
87 RegisterTraceService(GetRpcServer(), FileManager::kTraceTransferHandlerId);
88 #endif // PW_SYSTEM_ENABLE_TRACE_SERVICE
89
90 #if PW_SYSTEM_ENABLE_THREAD_SNAPSHOT_SERVICE
91 RegisterThreadSnapshotService(GetRpcServer());
92 #endif // PW_SYSTEM_ENABLE_THREAD_SNAPSHOT_SERVICE
93
94 PW_LOG_INFO("Starting threads");
95 // Start threads.
96 thread::DetachedThread(system::LogThreadOptions(), GetLogThread());
97 thread::DetachedThread(system::RpcThreadOptions(), GetRpcDispatchThread());
98
99 #if PW_SYSTEM_ENABLE_TRANSFER_SERVICE
100 thread::DetachedThread(system::TransferThreadOptions(), GetTransferThread());
101 InitTransferService();
102 #endif // PW_SYSTEM_ENABLE_TRANSFER_SERVICE
103
104 GetWorkQueue().CheckPushWork(UserAppInit);
105 }
106
107 } // namespace
108
Init()109 void Init() {
110 #if PW_SYSTEM_ENABLE_CRASH_HANDLER
111 RegisterCrashHandler();
112
113 if (HasCrashSnapshot()) {
114 PW_LOG_ERROR("==========================");
115 PW_LOG_ERROR("======CRASH DETECTED======");
116 PW_LOG_ERROR("==========================");
117 PW_LOG_ERROR("Crash snapshots available.");
118 PW_LOG_ERROR(
119 "Run `device.get_crash_snapshots()` to download and clear the "
120 "snapshots.");
121 } else {
122 PW_LOG_DEBUG("No crash snapshot");
123 }
124 #endif // PW_SYSTEM_ENABLE_CRASH_HANDLER
125
126 thread::DetachedThread(system::WorkQueueThreadOptions(), GetWorkQueue());
127 GetWorkQueue().CheckPushWork(InitImpl);
128 }
129
130 } // namespace pw::system
131