#ifndef IPC_H
#define IPC_H

#include <ipc_protocol.h>

// Environment Variable for unix-domain-socket file path
#define IPC_ENV_DOMAIN_SOCKET_PATH "IPC_DOMAIN_PATH"

// return value for API
typedef enum {
    IPC_RET_OK = 0,
    IPC_ERR_PARAM,
    IPC_ERR_SEQUENCE,
    IPC_ERR_NO_RESOURCE,
    IPC_ERR_OTHER
} IPC_RET_E;

// format of callback function
typedef void (*IPC_CHANGE_NOTIFY_CB)(void* pData, signed int size, int kind);

// for Server Function
IPC_RET_E ipcServerStart(IPC_USAGE_TYPE_E usageType);
IPC_RET_E ipcSendMessage(IPC_USAGE_TYPE_E usageType, const void* pData, signed int size);
IPC_RET_E ipcServerStop(IPC_USAGE_TYPE_E usageType);

// for Client Function
IPC_RET_E ipcClientStart(IPC_USAGE_TYPE_E usageType);
IPC_RET_E ipcReadDataPool(IPC_USAGE_TYPE_E usageType, void* pData, signed int* pSize);
IPC_RET_E ipcRegisterCallback(IPC_USAGE_TYPE_E usageType, IPC_CHANGE_NOTIFY_CB changeNotifyCb);
IPC_RET_E ipcClientStop(IPC_USAGE_TYPE_E usageType);

#endif // IPC_H