From ef9a7fa1f5e593bf6cd49aab2ee371b7ca84512e Mon Sep 17 00:00:00 2001
From: Zach Hilman <zachhilman@gmail.com>
Date: Sat, 29 Jun 2019 17:18:07 -0400
Subject: lm: Implement manager class to output to reporter

---
 src/core/hle/service/lm/manager.h | 104 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 104 insertions(+)
 create mode 100644 src/core/hle/service/lm/manager.h

(limited to 'src/core/hle/service/lm/manager.h')

diff --git a/src/core/hle/service/lm/manager.h b/src/core/hle/service/lm/manager.h
new file mode 100644
index 000000000..af0a27257
--- /dev/null
+++ b/src/core/hle/service/lm/manager.h
@@ -0,0 +1,104 @@
+// Copyright 2019 yuzu emulator team
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <map>
+#include <ostream>
+#include <vector>
+#include "common/bit_field.h"
+#include "common/common_types.h"
+#include "common/swap.h"
+
+namespace Core {
+class Reporter;
+}
+
+namespace Service::LM {
+
+enum class DestinationFlag : u32 {
+    Default = 1,
+    UART = 2,
+    UARTSleeping = 4,
+
+    All = 0xFFFF,
+};
+
+struct MessageHeader {
+    enum Flags : u32_le {
+        IsHead = 1,
+        IsTail = 2,
+    };
+    enum Severity : u32_le {
+        Trace,
+        Info,
+        Warning,
+        Error,
+        Critical,
+    };
+
+    u64_le pid;
+    u64_le thread_context;
+    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 & IsHead;
+    }
+    bool IsTailLog() const {
+        return flags & IsTail;
+    }
+};
+static_assert(sizeof(MessageHeader) == 0x18, "MessageHeader is incorrect size");
+
+enum class Field : u8 {
+    Skip = 1,
+    Message = 2,
+    Line = 3,
+    Filename = 4,
+    Function = 5,
+    Module = 6,
+    Thread = 7,
+};
+
+std::ostream& operator<<(std::ostream& os, DestinationFlag dest);
+std::ostream& operator<<(std::ostream& os, MessageHeader::Severity severity);
+std::ostream& operator<<(std::ostream& os, Field field);
+
+using FieldMap = std::map<Field, std::vector<u8>>;
+
+struct LogMessage {
+    MessageHeader header;
+    FieldMap fields;
+};
+
+std::string FormatField(Field type, const std::vector<u8>& data);
+
+class Manager {
+public:
+    Manager(Core::Reporter& reporter);
+    ~Manager();
+
+    void SetEnabled(bool enabled);
+    void SetDestination(DestinationFlag destination);
+
+    void Log(LogMessage message);
+
+private:
+    void InitializeLog();
+    void FinalizeLog();
+
+    bool enabled = true;
+    DestinationFlag destination = DestinationFlag::All;
+
+    std::vector<LogMessage> current_log;
+
+    Core::Reporter& reporter;
+};
+
+} // namespace Service::LM
-- 
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