From fa6531ab0fbb2d08f9c7e1642d5ff83fb50b829d Mon Sep 17 00:00:00 2001 From: Zach Hilman Date: Sat, 29 Jun 2019 17:18:33 -0400 Subject: [PATCH] lm: Rename Initialize to Log and implement with manager/reporter Allows saving and clearer output of data. --- src/core/hle/service/lm/lm.cpp | 162 +++++---------------------------- 1 file changed, 22 insertions(+), 140 deletions(-) diff --git a/src/core/hle/service/lm/lm.cpp b/src/core/hle/service/lm/lm.cpp index efba18fe7..435f2d286 100644 --- a/src/core/hle/service/lm/lm.cpp +++ b/src/core/hle/service/lm/lm.cpp @@ -17,65 +17,16 @@ namespace Service::LM { class ILogger final : public ServiceFramework { public: - ILogger() : ServiceFramework("ILogger") { + ILogger(Manager& manager) : ServiceFramework("ILogger"), manager(manager) { static const FunctionInfo functions[] = { - {0x00000000, &ILogger::Initialize, "Initialize"}, - {0x00000001, &ILogger::SetDestination, "SetDestination"}, + {0, &ILogger::Log, "Log"}, + {1, &ILogger::SetDestination, "SetDestination"}, }; RegisterHandlers(functions); } private: - struct MessageHeader { - enum Flags : u32_le { - IsHead = 1, - IsTail = 2, - }; - enum Severity : u32_le { - Trace, - Info, - Warning, - Error, - Critical, - }; - - u64_le pid; - u64_le threadContext; - union { - BitField<0, 16, Flags> flags; - BitField<16, 8, Severity> severity; - BitField<24, 8, u32> verbosity; - }; - u32_le payload_size; - - bool IsHeadLog() const { - return flags & Flags::IsHead; - } - bool IsTailLog() const { - return flags & Flags::IsTail; - } - }; - static_assert(sizeof(MessageHeader) == 0x18, "MessageHeader is incorrect size"); - - /// Log field type - enum class Field : u8 { - Skip = 1, - Message = 2, - Line = 3, - Filename = 4, - Function = 5, - Module = 6, - Thread = 7, - }; - - /** - * ILogger::Initialize service function - * Inputs: - * 0: 0x00000000 - * Outputs: - * 0: ResultCode - */ - void Initialize(Kernel::HLERequestContext& ctx) { + void Log(Kernel::HLERequestContext& ctx) { // This function only succeeds - Get that out of the way IPC::ResponseBuilder rb{ctx, 2}; rb.Push(RESULT_SUCCESS); @@ -87,111 +38,42 @@ private: Memory::ReadBlock(addr, &header, sizeof(MessageHeader)); addr += sizeof(MessageHeader); - if (header.IsHeadLog()) { - log_stream.str(""); - log_stream.clear(); - } - - // Parse out log metadata - u32 line{}; - std::string module; - std::string message; - std::string filename; - std::string function; - std::string thread; + FieldMap fields; while (addr < end_addr) { - const Field field{static_cast(Memory::Read8(addr++))}; - const std::size_t length{Memory::Read8(addr++)}; + const auto field = static_cast(Memory::Read8(addr++)); + const auto length = Memory::Read8(addr++); if (static_cast(Memory::Read8(addr)) == Field::Skip) { ++addr; } - switch (field) { - case Field::Skip: - break; - case Field::Message: - message = Memory::ReadCString(addr, length); - break; - case Field::Line: - line = Memory::Read32(addr); - break; - case Field::Filename: - filename = Memory::ReadCString(addr, length); - break; - case Field::Function: - function = Memory::ReadCString(addr, length); - break; - case Field::Module: - module = Memory::ReadCString(addr, length); - break; - case Field::Thread: - thread = Memory::ReadCString(addr, length); - break; + SCOPE_EXIT({ addr += length; }); + + if (field == Field::Skip) { + continue; } - addr += length; + std::vector data(length); + Memory::ReadBlock(addr, data.data(), length); + fields.emplace(field, std::move(data)); } - // Empty log - nothing to do here - if (log_stream.str().empty() && message.empty()) { - return; - } - - // Format a nicely printable string out of the log metadata - if (!filename.empty()) { - log_stream << filename << ':'; - } - if (!module.empty()) { - log_stream << module << ':'; - } - if (!function.empty()) { - log_stream << function << ':'; - } - if (line) { - log_stream << std::to_string(line) << ':'; - } - if (!thread.empty()) { - log_stream << thread << ':'; - } - if (log_stream.str().length() > 0 && log_stream.str().back() == ':') { - log_stream << ' '; - } - log_stream << message; - - if (header.IsTailLog()) { - switch (header.severity) { - case MessageHeader::Severity::Trace: - LOG_DEBUG(Debug_Emulated, "{}", log_stream.str()); - break; - case MessageHeader::Severity::Info: - LOG_INFO(Debug_Emulated, "{}", log_stream.str()); - break; - case MessageHeader::Severity::Warning: - LOG_WARNING(Debug_Emulated, "{}", log_stream.str()); - break; - case MessageHeader::Severity::Error: - LOG_ERROR(Debug_Emulated, "{}", log_stream.str()); - break; - case MessageHeader::Severity::Critical: - LOG_CRITICAL(Debug_Emulated, "{}", log_stream.str()); - break; - } - } + manager.Log({header, std::move(fields)}); } - // This service function is intended to be used as a way to - // redirect logging output to different destinations, however, - // given we always want to see the logging output, it's sufficient - // to do nothing and return success here. void SetDestination(Kernel::HLERequestContext& ctx) { - LOG_DEBUG(Service_LM, "called"); + IPC::RequestParser rp{ctx}; + const auto destination = rp.PopEnum(); + + LOG_DEBUG(Service_LM, "called, destination={:08X}", static_cast(destination)); + + manager.SetDestination(destination); IPC::ResponseBuilder rb{ctx, 2}; rb.Push(RESULT_SUCCESS); } - std::ostringstream log_stream; + Manager& manager; }; class LM final : public ServiceFramework {