| // Copyright 2020 The Fuchsia Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include <lib/async-loop/cpp/loop.h> |
| #include <lib/async-loop/default.h> |
| #include <lib/fidl/cpp/binding.h> |
| #include <lib/sys/cpp/component_context.h> |
| #include <lib/syslog/cpp/log_settings.h> |
| #include <lib/syslog/cpp/macros.h> |
| #include <lib/trace-provider/provider.h> |
| #include <lib/zx/time.h> |
| #include <zircon/processargs.h> |
| |
| #include "src/developer/forensics/feedback_data/constants.h" |
| #include "src/developer/forensics/feedback_data/system_log_recorder/controller.h" |
| #include "src/developer/forensics/feedback_data/system_log_recorder/encoding/production_encoding.h" |
| #include "src/developer/forensics/feedback_data/system_log_recorder/system_log_recorder.h" |
| |
| namespace forensics { |
| namespace feedback_data { |
| namespace system_log_recorder { |
| |
| constexpr zx::duration kWritePeriod = zx::sec(1); |
| |
| int main() { |
| syslog::SetTags({"forensics", "feedback"}); |
| |
| // We receive a channel that we interpret as a fuchsia.feedback.DataProviderController |
| // connection. |
| zx::channel channel(zx_take_startup_handle(PA_HND(PA_USER0, 0))); |
| if (!channel.is_valid()) { |
| FX_LOGS(FATAL) << "Received invalid channel"; |
| return EXIT_FAILURE; |
| } |
| |
| async::Loop main_loop(&kAsyncLoopConfigAttachToCurrentThread); |
| async::Loop write_loop(&kAsyncLoopConfigNoAttachToCurrentThread); |
| trace::TraceProviderWithFdio trace_provider(main_loop.dispatcher(), "system_log_recorder"); |
| |
| if (const zx_status_t status = write_loop.StartThread("writer-thread"); status != ZX_OK) { |
| FX_PLOGS(FATAL, status) << "Failed to start writer thread"; |
| return EXIT_FAILURE; |
| } |
| |
| auto context = sys::ComponentContext::CreateAndServeOutgoingDirectory(); |
| |
| SystemLogRecorder recorder(main_loop.dispatcher(), write_loop.dispatcher(), context->svc(), |
| SystemLogRecorder::WriteParameters{ |
| .period = kWritePeriod, |
| .max_write_size_bytes = kMaxWriteSizeInBytes, |
| .logs_dir = kCurrentLogsDir, |
| .max_num_files = kMaxNumLogFiles, |
| .total_log_size_bytes = kPersistentLogsMaxSizeInKb * 1024, |
| }, |
| std::unique_ptr<Encoder>(new ProductionEncoder())); |
| |
| // Set up the controller to shut down the system log recorder when it gets the signal to do so. |
| Controller controller(&main_loop, &write_loop, &recorder); |
| ::fidl::Binding<fuchsia::feedback::DataProviderController> controller_binding( |
| &controller, std::move(channel), main_loop.dispatcher()); |
| |
| recorder.Start(); |
| |
| main_loop.Run(); |
| |
| FX_LOGS(INFO) << "Shutting down the system log recorder"; |
| |
| return EXIT_SUCCESS; |
| } |
| |
| } // namespace system_log_recorder |
| } // namespace feedback_data |
| } // namespace forensics |