#ifndef _COMMON_H
#define _COMMON_H

#ifndef TRUE
#define TRUE    (1)
#endif

#ifndef FALSE
#define FALSE   (0)
#endif

#define MAX_NAME_LEN    (32 * 4)
#define MAX_SESSION     (32 + 1)
#define MAX_PATH         (256)
#define MAX_PAGE_ITEMS   (100)
#define MAX_REGEX_LEN    (4096)

#endif

#define GET_FILE_SIZE(path, size)                                              \
    do {                                                                       \
        struct stat st;                                                        \
        memset(&st, 0, sizeof(struct stat));                                   \
        if (stat(path, &st) != 0) {                                            \
            size = -1;                                                         \
        } else {                                                               \
            size = st.st_size;                                                 \
        }                                                                      \
    } while (0)

#if OBJECT_DEMO
#define    RET_OK          0
#define    RET_ERR         1
#define    RET_UNKNOWN     2
#define    RET_SYSERR      3
#define    RET_NOTFOUND    4
#define    RET_TIMEOUT     5

#define    RET_NULLP       6
#define    RET_NOMEM       7
#define    RET_CHKERR      8
#define    RET_NOTSUPPORT  9
#define    RET_INPUTERR    10
#define    RET_EXIST       11
#define    RET_FULL        12
#define    RET_SENDERR     13
#define    RET_NOCMID      14
#define    RET_SRCERR      15
#define    RET_JSONERR     16
#define    RET_USED        17

static inline char *get_err_message(int err)
{
    if(err < 0) {
        err = -err;
    }

    switch(err) {
        case RET_OK:                    return "OK";

        case RET_ERR:                   return "Error";

        case RET_UNKNOWN:               return "Unkown";

        case RET_SYSERR:                return "SystemError";

        case RET_NOTFOUND:              return "NotFound";

        case RET_TIMEOUT:               return "Timeout";

        case RET_NULLP:                 return "NullPointer" ;

        case RET_NOMEM:                 return "NotEnoughMemory";

        case RET_CHKERR:                return "CheckError";

        case RET_NOTSUPPORT:            return "NotSupport";

        case RET_INPUTERR:              return "InputError";

        case RET_EXIST:                 return "AlreadyExist";

        case RET_FULL:                  return "Full";

        case RET_SENDERR:               return "SendErr";

        case RET_NOCMID:                return "CanNotFindConfig";

        case RET_SRCERR:                return "ConfigSourceErr";

        case RET_JSONERR:               return "JsonFormatErr";

        case RET_USED:                  return "ItemUsed";
#if 0

        case RET_IPINVALID:             return "IpInvalid";

        case RET_BRNAMEERR:             return "BrNameInvalid";

        case RET_VIDNUM_INVALID:        return "VidNumInvalid";

        case RET_VID_INVALID:           return "VidValueInvalid";

        case RET_VID_EXIST:             return "VidHasExist";

        case RET_VID_NOT_EXIST:         return "VidHasNotExist";

        case RET_INTERFACE_NOT_EXIST:   return "InterfaceHasNotExist";

        case RET_ATTR_INVALID:          return "AttrInvalid";

        case RET_OPTYPE_ERR:            return "OperationTypeError";

        case RET_SYS_VCONFIG_ERR:       return "SystemVconfigError";

        case RET_SYS_IFCONFIG_ERR:      return "SystemIfconfigError";

        case RET_SYS_FILEOP_ERR:        return "SystemFileOperationError";

        case RET_OPEN_FILE_ERR:         return "CanNotOpenConfigFile";

        case RET_EXEC_ERR:              return "CanNotExecuateShell";

        case RET_METRIC_ERR:            return "InvalidMetric";

        case RET_NETMASK_ERR:           return "InvalidNetmask";

        case RET_EMPTY_STRING:          return "InputEmpty";

        case RET_WRONG_TYPE:            return "WrongType";

        case RET_VERSION_ERR:           return "InvalidProtocol";

        case RET_DESTIP_ERR:            return "InvalidDestIP";

        case RET_GATEWAY_ERR:           return "InvalidGateway";

        case RET_GW_DEV_ERR:            return "Gateway&DevEmpty";
#endif
    }

    return "Unknown err code";
}
#endif