logging.c

00001 /* logging.c
00002  *
00003  * Copyright (C) 2006-2012 Sawtooth Consulting Ltd.
00004  *
00005  * This file is part of CyaSSL.
00006  *
00007  * CyaSSL is free software; you can redistribute it and/or modify
00008  * it under the terms of the GNU General Public License as published by
00009  * the Free Software Foundation; either version 2 of the License, or
00010  * (at your option) any later version.
00011  *
00012  * CyaSSL is distributed in the hope that it will be useful,
00013  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00014  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00015  * GNU General Public License for more details.
00016  *
00017  * You should have received a copy of the GNU General Public License
00018  * along with this program; if not, write to the Free Software
00019  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
00020  */
00021 
00022 #define DEBUG_CYASSL
00023 
00024 #ifdef HAVE_CONFIG_H
00025     #include <config.h>
00026 #endif
00027 
00028 /* submitted by eof */
00029 
00030 #include <cyassl/ctaocrypt/settings.h>
00031 #include <cyassl/ctaocrypt/logging.h>
00032 #include <cyassl/ctaocrypt/error.h>
00033 
00034 
00035 #ifdef __cplusplus
00036     extern "C" {
00037 #endif
00038     CYASSL_API int  CyaSSL_Debugging_ON(void);
00039     CYASSL_API void CyaSSL_Debugging_OFF(void);
00040 #ifdef __cplusplus
00041     } 
00042 #endif
00043 
00044 
00045 #ifdef DEBUG_CYASSL
00046 
00047 /* Set these to default values initially. */
00048 static CyaSSL_Logging_cb log_function = 0;
00049 static int loggingEnabled = 0;
00050 
00051 #endif /* DEBUG_CYASSL */
00052 
00053 
00054 int CyaSSL_SetLoggingCb(CyaSSL_Logging_cb f)
00055 {
00056 #ifdef DEBUG_CYASSL
00057     int res = 0;
00058 
00059     if (f)
00060         log_function = f;
00061     else
00062         res = BAD_FUNC_ARG;
00063 
00064     return res;
00065 #else
00066     (void)f;
00067     return NOT_COMPILED_IN;
00068 #endif
00069 }
00070 
00071 
00072 int CyaSSL_Debugging_ON(void)
00073 {
00074     
00075 #ifdef DEBUG_CYASSL
00076     loggingEnabled = 1;
00077     return 0;
00078 #else
00079     return NOT_COMPILED_IN;
00080 #endif
00081 }
00082 
00083 
00084 void CyaSSL_Debugging_OFF(void)
00085 {
00086 #ifdef DEBUG_CYASSL
00087     loggingEnabled = 0;
00088 #endif
00089 }
00090 
00091 
00092 #ifdef DEBUG_CYASSL
00093 
00094 #ifdef FREESCALE_MQX
00095     #include <fio.h>
00096 #else
00097     #include <stdio.h>   /* for default printf stuff */
00098 #endif
00099 
00100 #ifdef THREADX
00101     int dc_log_printf(char*, ...);
00102 #endif
00103 
00104 static void cyassl_log(const int logLevel, const char *const logMessage)
00105 {
00106     if (log_function)
00107         log_function(logLevel, logMessage);
00108     else {
00109         if (loggingEnabled) {
00110 #ifdef THREADX
00111             dc_log_printf("%s\n", logMessage);
00112 #elif defined(MICRIUM)
00113         #if (NET_SECURE_MGR_CFG_EN == DEF_ENABLED)
00114             NetSecure_TraceOut((CPU_CHAR *)logMessage);
00115         #endif
00116 #else
00117             //fprintf(stderr, "%s\n", logMessage);
00118             printf("%s\r\n",logMessage);
00119 #endif
00120         }
00121     }
00122 }
00123 
00124 
00125 void CYASSL_MSG(const char* msg)
00126 {
00127     if (loggingEnabled)
00128         cyassl_log(INFO_LOG , msg);
00129 }
00130 
00131 
00132 void CYASSL_ENTER(const char* msg)
00133 {
00134     if (loggingEnabled) {
00135         char buffer[80];
00136         sprintf(buffer, "CyaSSL Entering %s", msg);
00137         cyassl_log(ENTER_LOG , buffer);
00138     }
00139 }
00140 
00141 
00142 void CYASSL_LEAVE(const char* msg, int ret)
00143 {
00144     if (loggingEnabled) {
00145         char buffer[80];
00146         sprintf(buffer, "CyaSSL Leaving %s, return %d", msg, ret);
00147         cyassl_log(LEAVE_LOG , buffer);
00148     }
00149 }
00150 
00151 
00152 void CYASSL_ERROR(int error)
00153 {
00154     if (loggingEnabled) {
00155         char buffer[80];
00156         sprintf(buffer, "CyaSSL error occured, error = %d", error);
00157         cyassl_log(ERROR_LOG , buffer);
00158     }
00159 }
00160 
00161 #endif  /* DEBUG_CYASSL */