OpenSolaris_b135/lib/librstp/common/base.h
/************************************************************************
* RSTP library - Rapid Spanning Tree (802.1t, 802.1w)
* Copyright (C) 2001-2003 Optical Access
* Author: Alex Rozin
*
* This file is part of RSTP library.
*
* RSTP library is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by the
* Free Software Foundation; version 2.1
*
* RSTP library is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser
* General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with RSTP library; see the file COPYING. If not, write to the Free
* Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
* 02111-1307, USA.
**********************************************************************/
/* Mutual RSTP definitions */
#ifndef _STP_BASE_H__
#define _STP_BASE_H__
#include <stdlib.h>
#include <string.h>
#define STP_DBG 1
#if defined(__LINUX__) || defined(__SUN__)
# include <stddef.h>
# include <stdio.h>
# include <netinet/in.h>
# include "uid_stp.h"
#else
# include <psos.h>
# include "comdef.h"
# include "comdef.x"
# include "Bitmap/bitmap.h"
# include "Bitmap/bitmap.x"
# include "Ui/uid_stp.h"
#endif
#ifndef INOUT
# define IN /* consider as comments near 'input' parameters */
# define OUT /* consider as comments near 'output' parameters */
# define INOUT /* consider as comments near 'input/output' parameters */
#endif
#ifndef Zero
# define Zero 0
# define One 1
#endif
#ifndef Bool
# define Bool int
# define False 0
# define True 1
#endif
#include "stp_bpdu.h"
#include "vector.h"
#include "times.h"
#define RSTP_ERRORS { \
CHOOSE(STP_OK), \
CHOOSE(STP_Cannot_Find_Vlan), \
CHOOSE(STP_Implicit_Instance_Create_Failed), \
CHOOSE(STP_Small_Bridge_Priority), \
CHOOSE(STP_Large_Bridge_Priority), \
CHOOSE(STP_Small_Hello_Time), \
CHOOSE(STP_Large_Hello_Time), \
CHOOSE(STP_Small_Max_Age), \
CHOOSE(STP_Large_Max_Age), \
CHOOSE(STP_Small_Forward_Delay), \
CHOOSE(STP_Large_Forward_Delay), \
CHOOSE(STP_Forward_Delay_And_Max_Age_Are_Inconsistent),\
CHOOSE(STP_Hello_Time_And_Max_Age_Are_Inconsistent), \
CHOOSE(STP_Vlan_Had_Not_Yet_Been_Created), \
CHOOSE(STP_Port_Is_Absent_In_The_Vlan), \
CHOOSE(STP_Big_len8023_Format), \
CHOOSE(STP_Small_len8023_Format), \
CHOOSE(STP_len8023_Format_Gt_Len), \
CHOOSE(STP_Not_Proper_802_3_Packet), \
CHOOSE(STP_Invalid_Protocol), \
CHOOSE(STP_Invalid_Version), \
CHOOSE(STP_Had_Not_Yet_Been_Enabled_On_The_Vlan), \
CHOOSE(STP_Cannot_Create_Instance_For_Vlan), \
CHOOSE(STP_Cannot_Create_Instance_For_Port), \
CHOOSE(STP_Invalid_Bridge_Priority), \
CHOOSE(STP_There_Are_No_Ports), \
CHOOSE(STP_Cannot_Compute_Bridge_Prio), \
CHOOSE(STP_Another_Error), \
CHOOSE(STP_Nothing_To_Do), \
CHOOSE(STP_No_Such_State_Machine), \
CHOOSE(STP_LAST_DUMMY) \
}
#define CHOOSE(a) a
typedef enum RSTP_ERRORS RSTP_ERRORS_T;
#undef CHOOSE
#if !defined(__LINUX__) && !defined(__SUN__)
extern char* strdup (const char *s);
extern USHORT Ntohs (USHORT n);
extern ULONG Htonl (ULONG h);
extern USHORT Htons (USHORT h);
extern ULONG Ntohl (ULONG n);
#define htonl Htonl
#define htons Htons
#define ntohl Ntohl
#define ntohs Ntohs
#endif
#if defined(__LINUX__) || defined(__SUN__)
#ifdef STP_DBG
#define STP_FATAL(TXT, MSG, EXCOD) \
{stp_trace ("FATAL:%s failed: %s:%d", TXT, MSG, EXCOD); \
exit (EXCOD);}
#else
#define STP_FATAL(TXT, MSG, EXCOD) \
abort();
#endif
#else
#define STP_FATAL(TXT, MSG, EXCOD) \
printf("FATAL: %s code %s:%d\n", TXT, MSG, EXCOD)
#endif
#define STP_MALLOC(PTR, TYPE, MSG) \
{ \
PTR = (TYPE*) calloc (1, sizeof (TYPE)); \
if (! PTR) { \
STP_FATAL("malloc", MSG, -6); \
} \
}
#define STP_FREE(PTR, MSG) \
{ \
if (! PTR) { \
STP_FATAL("free", MSG, -66); \
} \
free (PTR); \
PTR = NULL; \
}
#define STP_STRDUP(PTR, SRC, MSG) \
{ \
PTR = strdup (SRC); \
if (! PTR) { \
STP_FATAL("strdup", MSG, -7); \
} \
}
#define STP_NEW_IN_LIST(WHAT, TYPE, LIST, MSG) \
{ \
STP_MALLOC(WHAT, TYPE, MSG); \
WHAT->next = LIST; \
LIST = WHAT; \
}
/* for debug trace messages */
#ifdef STP_DBG
#if defined(__LINUX__)
extern char* sprint_time_stump (void);
#define stp_trace(F, B...) printf("%s:" F "\n", sprint_time_stump(), ##B)
#elif defined(__SUN__)
#define stp_trace (*stp_vectors->trace)
#else
extern ULONG stp_trace (const char* fmt, ...);
#endif
#else /* !STP_DBG */
#define stp_trace(F, B...) ((void)0)
#endif /* STP_DBG */
/* Inner usage definitions & functions */
#if defined(__LINUX__) || defined(__SUN__)
# define RSTP_INIT_CRITICAL_PATH_PROTECTIO
# define RSTP_CRITICAL_PATH_START
# define RSTP_CRITICAL_PATH_END
#else
# define RSTP_INIT_CRITICAL_PATH_PROTECTIO STP_OUT_psos_init_semaphore ()
# define RSTP_CRITICAL_PATH_START STP_OUT_psos_close_semaphore ()
# define RSTP_CRITICAL_PATH_END STP_OUT_psos_open_semaphore ()
extern void STP_OUT_psos_init_semaphore (void);
extern void STP_OUT_psos_close_semaphore (void);
extern void STP_OUT_psos_open_semaphore (void);
#endif
#endif /* _STP_BASE_H__ */