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lm: Rename Initialize to Log and implement with manager/reporter
Allows saving and clearer output of data.
This commit is contained in:
Zach Hilman
parent
ef9a7fa1f5
commit
fa6531ab0f
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@ -17,65 +17,16 @@ namespace Service::LM {
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class ILogger final : public ServiceFramework<ILogger> {
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public:
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ILogger() : ServiceFramework("ILogger") {
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ILogger(Manager& manager) : ServiceFramework("ILogger"), manager(manager) {
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static const FunctionInfo functions[] = {
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{0x00000000, &ILogger::Initialize, "Initialize"},
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{0x00000001, &ILogger::SetDestination, "SetDestination"},
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{0, &ILogger::Log, "Log"},
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{1, &ILogger::SetDestination, "SetDestination"},
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};
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RegisterHandlers(functions);
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}
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private:
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struct MessageHeader {
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enum Flags : u32_le {
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IsHead = 1,
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IsTail = 2,
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};
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enum Severity : u32_le {
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Trace,
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Info,
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Warning,
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Error,
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Critical,
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};
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u64_le pid;
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u64_le threadContext;
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union {
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BitField<0, 16, Flags> flags;
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BitField<16, 8, Severity> severity;
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BitField<24, 8, u32> verbosity;
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};
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u32_le payload_size;
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bool IsHeadLog() const {
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return flags & Flags::IsHead;
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}
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bool IsTailLog() const {
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return flags & Flags::IsTail;
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}
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};
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static_assert(sizeof(MessageHeader) == 0x18, "MessageHeader is incorrect size");
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/// Log field type
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enum class Field : u8 {
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Skip = 1,
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Message = 2,
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Line = 3,
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Filename = 4,
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Function = 5,
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Module = 6,
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Thread = 7,
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};
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/**
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* ILogger::Initialize service function
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* Inputs:
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* 0: 0x00000000
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* Outputs:
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* 0: ResultCode
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*/
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void Initialize(Kernel::HLERequestContext& ctx) {
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void Log(Kernel::HLERequestContext& ctx) {
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// This function only succeeds - Get that out of the way
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IPC::ResponseBuilder rb{ctx, 2};
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rb.Push(RESULT_SUCCESS);
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@ -87,111 +38,42 @@ private:
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Memory::ReadBlock(addr, &header, sizeof(MessageHeader));
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addr += sizeof(MessageHeader);
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if (header.IsHeadLog()) {
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log_stream.str("");
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log_stream.clear();
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}
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// Parse out log metadata
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u32 line{};
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std::string module;
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std::string message;
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std::string filename;
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std::string function;
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std::string thread;
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FieldMap fields;
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while (addr < end_addr) {
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const Field field{static_cast<Field>(Memory::Read8(addr++))};
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const std::size_t length{Memory::Read8(addr++)};
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const auto field = static_cast<Field>(Memory::Read8(addr++));
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const auto length = Memory::Read8(addr++);
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if (static_cast<Field>(Memory::Read8(addr)) == Field::Skip) {
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++addr;
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}
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switch (field) {
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case Field::Skip:
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break;
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case Field::Message:
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message = Memory::ReadCString(addr, length);
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break;
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case Field::Line:
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line = Memory::Read32(addr);
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break;
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case Field::Filename:
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filename = Memory::ReadCString(addr, length);
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break;
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case Field::Function:
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function = Memory::ReadCString(addr, length);
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break;
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case Field::Module:
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module = Memory::ReadCString(addr, length);
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break;
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case Field::Thread:
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thread = Memory::ReadCString(addr, length);
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break;
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SCOPE_EXIT({ addr += length; });
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if (field == Field::Skip) {
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continue;
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}
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addr += length;
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std::vector<u8> data(length);
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Memory::ReadBlock(addr, data.data(), length);
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fields.emplace(field, std::move(data));
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}
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// Empty log - nothing to do here
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if (log_stream.str().empty() && message.empty()) {
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return;
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}
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// Format a nicely printable string out of the log metadata
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if (!filename.empty()) {
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log_stream << filename << ':';
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}
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if (!module.empty()) {
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log_stream << module << ':';
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}
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if (!function.empty()) {
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log_stream << function << ':';
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}
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if (line) {
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log_stream << std::to_string(line) << ':';
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}
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if (!thread.empty()) {
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log_stream << thread << ':';
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}
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if (log_stream.str().length() > 0 && log_stream.str().back() == ':') {
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log_stream << ' ';
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}
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log_stream << message;
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if (header.IsTailLog()) {
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switch (header.severity) {
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case MessageHeader::Severity::Trace:
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LOG_DEBUG(Debug_Emulated, "{}", log_stream.str());
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break;
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case MessageHeader::Severity::Info:
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LOG_INFO(Debug_Emulated, "{}", log_stream.str());
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break;
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case MessageHeader::Severity::Warning:
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LOG_WARNING(Debug_Emulated, "{}", log_stream.str());
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break;
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case MessageHeader::Severity::Error:
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LOG_ERROR(Debug_Emulated, "{}", log_stream.str());
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break;
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case MessageHeader::Severity::Critical:
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LOG_CRITICAL(Debug_Emulated, "{}", log_stream.str());
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break;
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}
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}
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manager.Log({header, std::move(fields)});
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}
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// This service function is intended to be used as a way to
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// redirect logging output to different destinations, however,
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// given we always want to see the logging output, it's sufficient
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// to do nothing and return success here.
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void SetDestination(Kernel::HLERequestContext& ctx) {
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LOG_DEBUG(Service_LM, "called");
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IPC::RequestParser rp{ctx};
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const auto destination = rp.PopEnum<DestinationFlag>();
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LOG_DEBUG(Service_LM, "called, destination={:08X}", static_cast<u32>(destination));
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manager.SetDestination(destination);
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IPC::ResponseBuilder rb{ctx, 2};
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rb.Push(RESULT_SUCCESS);
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}
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std::ostringstream log_stream;
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Manager& manager;
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};
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class LM final : public ServiceFramework<LM> {
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