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// Copyright 2015 Dolphin Emulator Project
// Licensed under GPLv2+
// Refer to the license.txt file included.
#pragma once
#include <map>
#include <vector>
#include <sys/socket.h>
#include <sys/un.h>
// MemoryWatcher reads a file containing in-game memory addresses and outputs
// changes to those memory addresses to a unix domain socket as the game runs.
//
// The input file is a newline-separated list of hex memory addresses, without
// the "0x". To follow pointers, separate addresses with a space. For example,
// "ABCD EF" will watch the address at (*0xABCD) + 0xEF.
// The output to the socket is two lines. The first is the address from the
// input file, and the second is the new value in hex.
class MemoryWatcher final
{
public:
MemoryWatcher();
~MemoryWatcher();
void Step();
static void Init();
static void Shutdown();
private:
bool LoadAddresses(const std::string& path);
bool OpenSocket(const std::string& path);
void ParseLine(const std::string& line);
u32 ChasePointer(const std::string& line);
std::string ComposeMessage(const std::string& line, u32 value);
bool m_running;
int m_fd;
sockaddr_un m_addr;
// Address as stored in the file -> list of offsets to follow
std::map<std::string, std::vector<u32>> m_addresses;
// Address as stored in the file -> current value
std::map<std::string, u32> m_values;
};
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