/* logging.h
 *
 * Copyright (C) 2006-2016 wolfSSL Inc.
 *
 * This file is part of wolfSSL.
 *
 * wolfSSL is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * wolfSSL 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA
 */


/* submitted by eof */


#ifndef WOLFSSL_LOGGING_H
#define WOLFSSL_LOGGING_H

#include "types.h"

#ifdef __cplusplus
extern "C" {
#endif
    
    
    enum  CYA_Log_Levels {
        ERROR_LOG = 0,
        INFO_LOG,
        ENTER_LOG,
        LEAVE_LOG,
        OTHER_LOG
    };

    typedef void (*wolfSSL_Logging_cb)(const int logLevel,
    const char *const logMessage);
    
    // WOLFSSL_API int wolfSSL_SetLoggingCb(wolfSSL_Logging_cb log_function);
    
#if defined(OPENSSL_EXTRA) || defined(DEBUG_WOLFSSL_VERBOSE)
    WOLFSSL_LOCAL int wc_LoggingInit(void);
    WOLFSSL_LOCAL int wc_LoggingCleanup(void);
    WOLFSSL_LOCAL int wc_AddErrorNode(int error, int line, char* buf,
                                      char* file);
    WOLFSSL_LOCAL int wc_PeekErrorNode(int index, const char **file,
                                       const char **reason, int *line);
    WOLFSSL_LOCAL void wc_RemoveErrorNode(int index);
    WOLFSSL_LOCAL void wc_ClearErrorNodes(void);
    WOLFSSL_API   int wc_SetLoggingHeap(void* h);
#if !defined(NO_FILESYSTEM) && !defined(NO_STDIO_FILESYSTEM)
    WOLFSSL_API   void wc_ERR_print_errors_fp(FILE* fp);
#endif
#endif /* defined(OPENSSL_EXTRA) || defined(DEBUG_WOLFSSL_VERBOSE) */
    
#ifdef DEBUG_WOLFSSL
#if defined(_WIN32)
#if defined(INTIME_RTOS)
#define __func__ NULL
#else
#define __func__ __FUNCTION__
#endif
#endif
    
    /* a is prepended to m and b is appended, creating a log msg a + m + b */
#define WOLFSSL_LOG_CAT(a, m, b) #a " " m " "  #b
    
    void WOLFSSL_ENTER(const char* msg);
    void WOLFSSL_LEAVE(const char* msg, int ret);
#define WOLFSSL_STUB(m) \
WOLFSSL_MSG(WOLFSSL_LOG_CAT(wolfSSL Stub, m, not implemented))
    
    void WOLFSSL_MSG(const char* msg);
    void WOLFSSL_BUFFER(const byte* buffer, word32 length);
    
#else /* DEBUG_WOLFSSL   */
    
#define WOLFSSL_ENTER(m)
#define WOLFSSL_LEAVE(m, r)
#define WOLFSSL_STUB(m)
    
#define WOLFSSL_MSG(m)
#define WOLFSSL_BUFFER(b, l)
    
#endif /* DEBUG_WOLFSSL  */
    
#if (defined(DEBUG_WOLFSSL) || defined(WOLFSSL_NGINX)) || defined(WOLFSSL_HAPROXY)
#if (defined(OPENSSL_EXTRA) || defined(DEBUG_WOLFSSL_VERBOSE))
    void WOLFSSL_ERROR_LINE(int err, const char* func, unsigned int line,
                            const char* file, void* ctx);
#define WOLFSSL_ERROR(x) WOLFSSL_ERROR_LINE((x), __func__, __LINE__, __FILE__,NULL)
#else
    void WOLFSSL_ERROR(int);
#endif
#else
#define WOLFSSL_ERROR(e)
#endif
    
#ifdef __cplusplus
}
#endif
#endif /* WOLFSSL_LOGGING_H */
