Wed, 24 Jul 2013 14:26:17 +0200
documentation for UcxLogger
ucx/list.h | file | annotate | diff | comparison | revisions | |
ucx/logging.h | file | annotate | diff | comparison | revisions |
1.1 --- a/ucx/list.h Tue Jul 23 14:43:45 2013 +0200 1.2 +++ b/ucx/list.h Wed Jul 24 14:26:17 2013 +0200 1.3 @@ -60,10 +60,13 @@ 1.4 for (UcxList* elem = list ; elem != NULL ; elem = elem->next) 1.5 1.6 /** 1.7 - * UCX list type 1.8 + * UCX list type. 1.9 * @see UcxList 1.10 */ 1.11 typedef struct UcxList UcxList; 1.12 +/** 1.13 + * UCX list structure. 1.14 + */ 1.15 struct UcxList { 1.16 /** 1.17 * List element payload. 1.18 @@ -105,6 +108,7 @@ 1.19 * argument for the <code>data</code> parameter, if you want the copy_func() to 1.20 * make use of the allocator. 1.21 * 1.22 + * @param allocator the allocator to use 1.23 * @param list the list to copy 1.24 * @param cpyfnc a pointer to the function that shall copy an element (may be 1.25 * <code>NULL</code>)
2.1 --- a/ucx/logging.h Tue Jul 23 14:43:45 2013 +0200 2.2 +++ b/ucx/logging.h Wed Jul 24 14:26:17 2013 +0200 2.3 @@ -25,7 +25,12 @@ 2.4 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 2.5 * POSSIBILITY OF SUCH DAMAGE. 2.6 */ 2.7 - 2.8 +/** 2.9 + * Logging API. 2.10 + * 2.11 + * @file logging.h 2.12 + * @author Mike Becker, Olaf Wintermann 2.13 + */ 2.14 #ifndef UCX_LOGGING_H 2.15 #define UCX_LOGGING_H 2.16 2.17 @@ -39,37 +44,169 @@ 2.18 #endif 2.19 2.20 /* leave enough space for custom log levels */ 2.21 +/** Log level for error messages. */ 2.22 #define UCX_LOGGER_ERROR 0x00 2.23 +/** Log level for warning messages. */ 2.24 #define UCX_LOGGER_WARN 0x10 2.25 +/** Log level for information messages. */ 2.26 #define UCX_LOGGER_INFO 0x20 2.27 -#define UCX_LOGGER_TRACE 0x30 2.28 +/** Log level for debug messages. */ 2.29 +#define UCX_LOGGER_DEBUG 0x30 2.30 +/** Log level for trace messages. */ 2.31 +#define UCX_LOGGER_TRACE 0x40 2.32 2.33 +/** 2.34 + * Output flag for the log level. 2.35 + * If this flag is set, the log message will contain the log level. 2.36 + * @see UcxLogger.mask 2.37 + */ 2.38 #define UCX_LOGGER_LEVEL 0x01 2.39 +/** 2.40 + * Output flag for the timestmap. 2.41 + * If this flag is set, the log message will contain the timestmap. 2.42 + * @see UcxLogger.mask 2.43 + */ 2.44 #define UCX_LOGGER_TIMESTAMP 0x02 2.45 +/** 2.46 + * Output flag for the source. 2.47 + * If this flag is set, the log message will contain the source file and line 2.48 + * number. 2.49 + * @see UcxLogger.mask 2.50 + */ 2.51 #define UCX_LOGGER_SOURCE 0x04 2.52 2.53 +/** 2.54 + * The UCX Logger object. 2.55 + */ 2.56 typedef struct { 2.57 + /** The stream this logger writes its messages to.*/ 2.58 void *stream; 2.59 + /** 2.60 + * The write function that shall be used. 2.61 + * For standard file or stdout loggers this might be standard fwrite 2.62 + * (default). 2.63 + */ 2.64 write_func writer; 2.65 + /** 2.66 + * The date format for timestamp outputs 2.67 + * (default: <code>"%F %T %z "</code>). 2.68 + * @see UCX_LOGGER_TIMESTAMP 2.69 + */ 2.70 char *dateformat; 2.71 + /** 2.72 + * The level, this logger operates on. 2.73 + * If a log command is issued, the message will only be logged, if the log 2.74 + * level of the message is less or equal than the log level of the logger. 2.75 + */ 2.76 unsigned int level; 2.77 + /** 2.78 + * A configuration mask for automatic output. 2.79 + * For each flag that is set, the logger automatically outputs some extra 2.80 + * information like the timestamp or the source file and line number. 2.81 + * See the documentation for the flags for details. 2.82 + */ 2.83 unsigned int mask; 2.84 + /** 2.85 + * A map of valid log levels for this logger. 2.86 + * 2.87 + * The keys represent all valid log levels and the values provide string 2.88 + * representations, that are used, if the UCX_LOGGER_LEVEL flag is set. 2.89 + * 2.90 + * The exact data types are <code>unsigned int</code> for the key and 2.91 + * <code>const char*</code> for the value. 2.92 + * 2.93 + * @see UCX_LOGGER_LEVEL 2.94 + */ 2.95 UcxMap* levels; 2.96 } UcxLogger; 2.97 2.98 +/** 2.99 + * Creates a new logger. 2.100 + * @param stream the stream, which the logger shall write to 2.101 + * @param level the level on which the logger shall operate 2.102 + * @param mask configuration mask (cf. UcxLogger.mask) 2.103 + * @return a new logger object 2.104 + */ 2.105 UcxLogger *ucx_logger_new(void *stream, unsigned int level, unsigned int mask); 2.106 +/** 2.107 + * Destroys the logger. 2.108 + * 2.109 + * The map containing the valid log levels is also automatically destroyed. 2.110 + * 2.111 + * @param logger the logger to destroy 2.112 + */ 2.113 void ucx_logger_free(UcxLogger* logger); 2.114 2.115 +/** 2.116 + * Internal log function - use macros instead. 2.117 + * 2.118 + * This function uses the <code>format</code> and variadic arguments for a 2.119 + * printf()-style output of the log message. 2.120 + * 2.121 + * Dependent on the UcxLogger.mask some information is prepended. The complete 2.122 + * format is: 2.123 + * 2.124 + * <code>[LEVEL] [TIMESTAMP] [SOURCEFILE]:[LINENO] message</code> 2.125 + * 2.126 + * @param logger the logger to use 2.127 + * @param level the level to log on 2.128 + * @param file information about the source file 2.129 + * @param line information about the source line number 2.130 + * @param format format string 2.131 + * @param ... arguments 2.132 + * @see ucx_logger_log() 2.133 + */ 2.134 void ucx_logger_logf(UcxLogger *logger, unsigned int level, const char* file, 2.135 const unsigned int line, const char* format, ...); 2.136 + 2.137 +/** 2.138 + * Logs a message at the specified level. 2.139 + * @param logger the logger to use 2.140 + * @param level the level to log the message on 2.141 + * @param ... format string and arguments 2.142 + * @see ucx_logger_logf() 2.143 + */ 2.144 #define ucx_logger_log(logger, level, ...) \ 2.145 ucx_logger_logf(logger, level, __FILE__, __LINE__, __VA_ARGS__) 2.146 + 2.147 +/** 2.148 + * Shortcut for logging an error message. 2.149 + * @param logger the logger to use 2.150 + * @param ... format string and arguments 2.151 + * @see ucx_logger_logf() 2.152 + */ 2.153 #define ucx_logger_error(logger, ...) \ 2.154 ucx_logger_log(logger, UCX_LOGGER_ERROR, __VA_ARGS__) 2.155 +/** 2.156 + * Shortcut for logging an information message. 2.157 + * @param logger the logger to use 2.158 + * @param ... format string and arguments 2.159 + * @see ucx_logger_logf() 2.160 + */ 2.161 #define ucx_logger_info(logger, ...) \ 2.162 ucx_logger_log(logger, UCX_LOGGER_INFO, __VA_ARGS__) 2.163 +/** 2.164 + * Shortcut for logging a warning message. 2.165 + * @param logger the logger to use 2.166 + * @param ... format string and arguments 2.167 + * @see ucx_logger_logf() 2.168 + */ 2.169 #define ucx_logger_warn(logger, ...) \ 2.170 ucx_logger_log(logger, UCX_LOGGER_WARN, __VA_ARGS__) 2.171 +/** 2.172 + * Shortcut for logging a debug message. 2.173 + * @param logger the logger to use 2.174 + * @param ... format string and arguments 2.175 + * @see ucx_logger_logf() 2.176 + */ 2.177 +#define ucx_logger_debug(logger, ...) \ 2.178 + ucx_logger_log(logger, UCX_LOGGER_DEBUG, __VA_ARGS__) 2.179 +/** 2.180 + * Shortcut for logging a trace message. 2.181 + * @param logger the logger to use 2.182 + * @param ... format string and arguments 2.183 + * @see ucx_logger_logf() 2.184 + */ 2.185 #define ucx_logger_trace(logger, ...) \ 2.186 ucx_logger_log(logger, UCX_LOGGER_TRACE, __VA_ARGS__) 2.187