Jetson Linux API Reference

32.7.3 Release
NvLogging.h
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1 /*
2  * Copyright (c) 2016, NVIDIA CORPORATION. All rights reserved.
3  *
4  * Redistribution and use in source and binary forms, with or without
5  * modification, are permitted provided that the following conditions
6  * are met:
7  * * Redistributions of source code must retain the above copyright
8  * notice, this list of conditions and the following disclaimer.
9  * * Redistributions in binary form must reproduce the above copyright
10  * notice, this list of conditions and the following disclaimer in the
11  * documentation and/or other materials provided with the distribution.
12  * * Neither the name of NVIDIA CORPORATION nor the names of its
13  * contributors may be used to endorse or promote products derived
14  * from this software without specific prior written permission.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
17  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
19  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
20  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
21  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
22  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
23  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
24  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27  */
28 
36 #ifndef __NV_LOGGING_H_
37 #define __NV_LOGGING_H_
38 
39 #include <iostream>
40 #include <sstream>
41 
57 #define LOG_LEVEL_INFO 0
58 
61 #define LOG_LEVEL_ERROR 1
62 
65 #define LOG_LEVEL_WARN 2
66 
69 #define LOG_LEVEL_DEBUG 3
70 
75 extern int log_level;
76 
80 #define DEFAULT_LOG_LEVEL LOG_LEVEL_ERROR
81 
85 #define stringify(s) #s
86 #define xstringify(s) stringify(s)
87 #define __LINE_NUM_STR__ xstringify(__LINE__)
88 
89 extern const char *log_level_name[];
107 #define PRINT_MSG(level, str1) if(level <= log_level) { \
108  std::ostringstream ostr; \
109  ostr << "[" << log_level_name[level] << "] (" << \
110  __FILE__ << ":" __LINE_NUM_STR__ ") " << \
111  str1 << std::endl; \
112  std::cerr << ostr.str(); \
113  }
114 
118 #define INFO_MSG(str) PRINT_MSG(LOG_LEVEL_INFO, str)
119 
127 #define COMP_INFO_MSG(str) INFO_MSG("<" << comp_name << "> " << str)
128 
136 #define CAT_INFO_MSG(str) INFO_MSG("<" CAT_NAME "> " << str)
137 
141 #define ERROR_MSG(str) PRINT_MSG(LOG_LEVEL_ERROR, str)
142 
150 #define COMP_ERROR_MSG(str) ERROR_MSG("<" << comp_name << "> " << str)
151 
159 #define CAT_ERROR_MSG(str) ERROR_MSG("<" CAT_NAME "> " << str)
160 
165 #define SYS_ERROR_MSG(str) ERROR_MSG(str << ": " << strerror(errno))
166 
174 #define COMP_SYS_ERROR_MSG(str) SYS_ERROR_MSG("<" << comp_name << "> " << str)
175 
183 #define CAT_SYS_ERROR_MSG(str) SYS_ERROR_MSG("<" CAT_NAME "> " << str)
184 
188 #define WARN_MSG(str) PRINT_MSG(LOG_LEVEL_WARN, str)
189 
197 #define COMP_WARN_MSG(str) WARN_MSG("<" << comp_name << "> :" << str)
198 
207 #define CAT_WARN_MSG(str) WARN_MSG("<" CAT_NAME "> " << str)
208 
212 #define DEBUG_MSG(str) PRINT_MSG(LOG_LEVEL_DEBUG, str)
213 
221 #define COMP_DEBUG_MSG(str) DEBUG_MSG("<" << comp_name << "> :" << str)
222 
230 #define CAT_DEBUG_MSG(str) DEBUG_MSG("<" CAT_NAME "> " << str)
231 
232 #endif
233 
log_level
int log_level
Holds the current log level at runtime by assignment of one of the LOG_LEVEL_* values.