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/* -------------------------------------------
Copyright (C) 2024-2025, Amlal El Mahrouss, all rights reserved..
File: IPC.h.
Purpose: IPC protocol.
------------------------------------------- */
#ifndef INC_IPC_H
#define INC_IPC_H
#include <NewKit/Defines.h>
#include <NewKit/KString.h>
#include <hint/CompilerHint.h>
/// @file IPC.h
/// @brief IPC comm. protocol.
/// IA separator.
#define kIPCRemoteSeparator ":"
/// Interchange address, consists of PID:TEAM.
#define kIPCRemoteInvalid "00:00"
#define kIPCHeaderMagic (0x4950434)
namespace Kernel
{
struct IPC_ADDR;
struct IPC_MSG;
/// @brief 128-bit IPC address.
struct PACKED IPC_ADDR final
{
UInt64 UserProcessID;
UInt64 UserProcessTeam;
////////////////////////////////////
// some operators.
////////////////////////////////////
bool operator==(const IPC_ADDR& addr) noexcept;
bool operator==(IPC_ADDR& addr) noexcept;
bool operator!=(const IPC_ADDR& addr) noexcept;
bool operator!=(IPC_ADDR& addr) noexcept;
};
typedef struct IPC_ADDR IPC_ADDR;
enum
{
kIPCLittleEndian = 0,
kIPCBigEndian = 1,
kIPCMixedEndian = 2,
};
constexpr inline auto kIPCMsgSize = 6094U;
/// @brief IPC connection header, message cannot be greater than 6K.
typedef struct IPC_MSG final
{
UInt32 IpcHeaderMagic; // cRemoteHeaderMagic
UInt8 IpcEndianess; // 0 : LE, 1 : BE
SizeT IpcPacketSize;
IPC_ADDR IpcFrom;
IPC_ADDR IpcTo;
UInt32 IpcCRC32;
UInt32 IpcMsg;
UInt32 IpcMsgSz;
UInt8 IpcData[kIPCMsgSize];
/// @brief Passes the message to target, could be anything, HTTP packet, JSON or whatever.
static Bool Pass(IPC_MSG* self, IPC_MSG* target) noexcept;
} PACKED IPC_MSG;
/// @brief Sanitize packet function
/// @retval true packet is correct.
/// @retval false packet is incorrect and process has crashed.
Bool ipc_sanitize_packet(_Input IPC_MSG* pckt_in);
/// @brief Construct packet function
/// @retval true packet is correct.
/// @retval false packet is incorrect and process has crashed.
Bool ipc_construct_packet(_Output _Input IPC_MSG** pckt_in);
} // namespace Kernel
#endif // INC_IPC_H
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