diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/astra/Float32ProjectionData2D.h | 25 | ||||
| -rw-r--r-- | include/astra/Float32ProjectionData3D.h | 5 | ||||
| -rw-r--r-- | include/astra/Float32VolumeData2D.h | 25 | ||||
| -rw-r--r-- | include/astra/Float32VolumeData3D.h | 5 | ||||
| -rw-r--r-- | include/astra/Logger.h | 72 | ||||
| -rw-r--r-- | include/astra/Logging.h | 159 | ||||
| -rw-r--r-- | include/astra/clog.h | 693 |
7 files changed, 912 insertions, 72 deletions
diff --git a/include/astra/Float32ProjectionData2D.h b/include/astra/Float32ProjectionData2D.h index 7461491..bb99f4b 100644 --- a/include/astra/Float32ProjectionData2D.h +++ b/include/astra/Float32ProjectionData2D.h @@ -101,6 +101,19 @@ public: * Copy constructor */ CFloat32ProjectionData2D(const CFloat32ProjectionData2D& _other); + + /** Constructor. Create an instance of the CFloat32ProjectionData2D class with pre-allocated memory. + * + * Creates an instance of the CFloat32ProjectionData2D class. Memory + * is pre-allocated and passed via the abstract CFloat32CustomMemory handle + * class. The handle will be deleted when the memory can be freed. + * You should override the destructor to provide custom behaviour on free. + * + * @param _pGeometry Projection Geometry object. This object will be HARDCOPIED into this class. + * @param _pCustomMemory custom memory handle + * + */ + CFloat32ProjectionData2D(CProjectionGeometry2D* _pGeometry, CFloat32CustomMemory* _pCustomMemory); /** * Assignment operator @@ -148,6 +161,18 @@ public: * @param _fScalar scalar value to be put at each index. */ bool initialize(CProjectionGeometry2D* _pGeometry, float32 _fScalar); + + /** Initialization. Initializes an instance of the CFloat32ProjectionData2D class with pre-allocated memory. + * + * Memory is pre-allocated and passed via the abstract CFloat32CustomMemory handle + * class. The handle will be deleted when the memory can be freed. + * You should override the destructor to provide custom behaviour on free. + * + * @param _pGeometry Projection Geometry object. This object will be HARDCOPIED into this class. + * @param _pCustomMemory custom memory handle + * + */ + bool initialize(CProjectionGeometry2D* _pGeometry, CFloat32CustomMemory* _pCustomMemory); /** Get the number of detectors. * diff --git a/include/astra/Float32ProjectionData3D.h b/include/astra/Float32ProjectionData3D.h index 79b762e..329c9a4 100644 --- a/include/astra/Float32ProjectionData3D.h +++ b/include/astra/Float32ProjectionData3D.h @@ -196,6 +196,11 @@ public: * @return pointer to projection geometry. */ virtual CProjectionGeometry3D* getGeometry() const; + + /** Change the projection geometry. + * Note that this can't change the dimensions of the data. + */ + virtual void changeGeometry(CProjectionGeometry3D* pGeometry); }; diff --git a/include/astra/Float32VolumeData2D.h b/include/astra/Float32VolumeData2D.h index 4f44a8c..abecebf 100644 --- a/include/astra/Float32VolumeData2D.h +++ b/include/astra/Float32VolumeData2D.h @@ -92,6 +92,19 @@ public: * Copy constructor */ CFloat32VolumeData2D(const CFloat32VolumeData2D& _other); + + /** Constructor. Create an instance of the CFloat32VolumeData2D class with pre-allocated memory. + * + * Creates an instance of the CFloat32VolumeData2D class. Memory + * is pre-allocated and passed via the abstract CFloat32CustomMemory handle + * class. The handle will be deleted when the memory can be freed. + * You should override the destructor to provide custom behaviour on free. + * + * @param _pGeometry Volume Geometry object. This object will be HARDCOPIED into this class. + * @param _pCustomMemory custom memory handle + * + */ + CFloat32VolumeData2D(CVolumeGeometry2D* _pGeometry, CFloat32CustomMemory* _pCustomMemory); /** * Assignment operator @@ -132,6 +145,18 @@ public: * @param _fScalar scalar value to be put at each index. */ bool initialize(CVolumeGeometry2D* _pGeometry, float32 _fScalar); + + /** Initialization. Initializes an instance of the CFloat32VolumeData2D class with pre-allocated memory. + * + * Memory is pre-allocated and passed via the abstract CFloat32CustomMemory handle + * class. The handle will be deleted when the memory can be freed. + * You should override the destructor to provide custom behaviour on free. + * + * @param _pGeometry Volume Geometry object. This object will be HARDCOPIED into this class. + * @param _pCustomMemory custom memory handle + * + */ + bool initialize(CVolumeGeometry2D* _pGeometry, CFloat32CustomMemory* _pCustomMemory); /** Destructor. */ diff --git a/include/astra/Float32VolumeData3D.h b/include/astra/Float32VolumeData3D.h index d8f0ae9..07df78f 100644 --- a/include/astra/Float32VolumeData3D.h +++ b/include/astra/Float32VolumeData3D.h @@ -214,6 +214,11 @@ public: * @return The geometry describing the data stored in this volume */ virtual CVolumeGeometry3D* getGeometry() const; + + /** Change the projection geometry. + * Note that this can't change the dimensions of the data. + */ + virtual void changeGeometry(CVolumeGeometry3D* pGeometry); }; //---------------------------------------------------------------------------------------- diff --git a/include/astra/Logger.h b/include/astra/Logger.h deleted file mode 100644 index 34fd364..0000000 --- a/include/astra/Logger.h +++ /dev/null @@ -1,72 +0,0 @@ -/* ------------------------------------------------------------------------ -Copyright: 2010-2015, iMinds-Vision Lab, University of Antwerp - 2014-2015, CWI, Amsterdam - -Contact: astra@uantwerpen.be -Website: http://sf.net/projects/astra-toolbox - -This file is part of the ASTRA Toolbox. - - -The ASTRA Toolbox 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 3 of the License, or -(at your option) any later version. - -The ASTRA Toolbox 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 the ASTRA Toolbox. If not, see <http://www.gnu.org/licenses/>. - ------------------------------------------------------------------------ -$Id$ -*/ - -#ifndef _INC_ASTRA_LOGGER -#define _INC_ASTRA_LOGGER - -#include <cstdio> - -namespace astra -{ - -/** - * This is the first stab at a decent logger. If the file "astra_logger.txt", it will be replaced - * with the text sent to this logger. If the file doesn't exist when the app starts, nothing is written. - */ -class CLogger -{ - static std::FILE * m_pOutFile; - static bool m_bInitialized; - - static void _assureIsInitialized(); - - CLogger(); - -public: - - /** - * Writes a line to the log file (newline is added). Ignored if logging is turned off. - * - * @param _text char pointer to text in line - */ - static void writeLine(const char * _text); - - /** - * Formats and writes a CUDA error to the log file. Ignored if logging is turned off. - * - * @param _fileName filename where error occurred (typically __FILE__) - * @param _line line in file (typically __LINE__) - * @param _errString string describing the error, can be output of cudaGetErrorString - */ - static void writeTerminalCUDAError(const char * _fileName, int _iLine, const char * _errString); -}; - -} - -#endif /* _INC_ASTRA_LOGGER */ - diff --git a/include/astra/Logging.h b/include/astra/Logging.h new file mode 100644 index 0000000..8e19ea4 --- /dev/null +++ b/include/astra/Logging.h @@ -0,0 +1,159 @@ +/* +----------------------------------------------------------------------- +Copyright: 2010-2015, iMinds-Vision Lab, University of Antwerp + 2014-2015, CWI, Amsterdam + +Contact: astra@uantwerpen.be +Website: http://sf.net/projects/astra-toolbox + +This file is part of the ASTRA Toolbox. + + +The ASTRA Toolbox 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 3 of the License, or +(at your option) any later version. + +The ASTRA Toolbox 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 the ASTRA Toolbox. If not, see <http://www.gnu.org/licenses/>. + +----------------------------------------------------------------------- +$Id$ +*/ + +#ifndef _INC_ASTRA_LOGGING +#define _INC_ASTRA_LOGGING + +#include "astra/Globals.h" + +#define ASTRA_DEBUG(...) astra::CLogger::debug(__FILE__,__LINE__, __VA_ARGS__) +#define ASTRA_INFO(...) astra::CLogger::info(__FILE__,__LINE__, __VA_ARGS__) +#define ASTRA_WARN(...) astra::CLogger::warn(__FILE__,__LINE__, __VA_ARGS__) +#define ASTRA_ERROR(...) astra::CLogger::error(__FILE__,__LINE__, __VA_ARGS__) + +namespace astra +{ + +enum log_level { + LOG_DEBUG, + LOG_INFO, + LOG_WARN, + LOG_ERROR +}; + +class _AstraExport CLogger +{ + CLogger(); + ~CLogger(); + static bool m_bEnabledFile; + static bool m_bEnabledScreen; + static bool m_bFileProvided; + static bool m_bInitialized; + static void _assureIsInitialized(); + static void _setLevel(int id, log_level m_eLevel); + +public: + + /** + * Writes a line to the log file (newline is added). Ignored if logging is turned off. + * + * @param sfile + * The name of the source file making this log call (e.g. __FILE__). + * + * @param sline + * The line number of the call in the source code (e.g. __LINE__). + * + * @param id + * The id of the logger to write to. + * + * @param fmt + * The format string for the message (printf formatting). + * + * @param ... + * Any additional format arguments. + */ + static void debug(const char *sfile, int sline, const char *fmt, ...); + static void info(const char *sfile, int sline, const char *fmt, ...); + static void warn(const char *sfile, int sline, const char *fmt, ...); + static void error(const char *sfile, int sline, const char *fmt, ...); + + /** + * Sets the file to log to, with logging level. + * + * @param filename + * File to log to. + * + * @param m_eLevel + * Logging level (LOG_DEBUG, LOG_WARN, LOG_INFO, LOG_ERROR). + * + */ + static void setOutputFile(const char *filename, log_level m_eLevel); + + /** + * Sets the screen to log to, with logging level. + * + * @param screen_fd + * Screen file descriptor (1 for stdout, 2 for stderr) + * + * @param m_eLevel + * Logging level (LOG_DEBUG, LOG_WARN, LOG_INFO, LOG_ERROR). + * + */ + static void setOutputScreen(int fd, log_level m_eLevel); + + /** + * Set the format string for log messages. Here are the substitutions you may + * use: + * + * %f: Source file name generating the log call. + * %n: Source line number where the log call was made. + * %m: The message text sent to the logger (after printf formatting). + * %d: The current date, formatted using the logger's date format. + * %t: The current time, formatted using the logger's time format. + * %l: The log level (one of "DEBUG", "INFO", "WARN", or "ERROR"). + * %%: A literal percent sign. + * + * The default format string is "%d %t %f(%n): %l: %m\n". + * + * @param fmt + * The new format string, which must be less than 256 bytes. + * You probably will want to end this with a newline (\n). + * + */ + static void setFormatFile(const char *fmt); + static void setFormatScreen(const char *fmt); + + + /** + * Enable logging. + * + */ + static void enable(); + static void enableScreen(); + static void enableFile(); + + /** + * Disable logging. + * + */ + static void disable(); + static void disableScreen(); + static void disableFile(); + + /** + * Set callback function for logging to screen. + * @return whether callback was set succesfully. + * + */ + static bool setCallbackScreen(void (*cb)(const char *msg, size_t len)); + +}; + +} + +#endif /* _INC_ASTRA_LOGGING */ diff --git a/include/astra/clog.h b/include/astra/clog.h new file mode 100644 index 0000000..6ffb660 --- /dev/null +++ b/include/astra/clog.h @@ -0,0 +1,693 @@ +/* clog: Extremely simple logger for C. + * + * Features: + * - Implemented purely as a single header file. + * - Create multiple loggers. + * - Four log levels (debug, info, warn, error). + * - Custom formats. + * - Fast. + * + * Dependencies: + * - Should conform to C89, C++98 (but requires vsnprintf, unfortunately). + * - POSIX environment. + * + * USAGE: + * + * Include this header in any file that wishes to write to logger(s). In + * exactly one file (per executable), define CLOG_MAIN first (e.g. in your + * main .c file). + * + * #define CLOG_MAIN + * #include "clog.h" + * + * This will define the actual objects that all the other units will use. + * + * Loggers are identified by integers (0 - 15). It's expected that you'll + * create meaningful constants and then refer to the loggers as such. + * + * Example: + * + * const int MY_LOGGER = 0; + * + * int main() { + * int r; + * r = clog_init_path(MY_LOGGER, "my_log.txt"); + * if (r != 0) { + * fprintf(stderr, "Logger initialization failed.\n"); + * return 1; + * } + * clog_info(CLOG(MY_LOGGER), "Hello, world!"); + * clog_free(MY_LOGGER); + * return 0; + * } + * + * The CLOG macro used in the call to clog_info is a helper that passes the + * __FILE__ and __LINE__ parameters for you, so you don't have to type them + * every time. (It could be prettier with variadic macros, but that requires + * C99 or C++11 to be standards compliant.) + * + * Errors encountered by clog will be printed to stderr. You can suppress + * these by defining a macro called CLOG_SILENT before including clog.h. + * + * License: Do whatever you want. It would be nice if you contribute + * improvements as pull requests here: + * + * https://github.com/mmueller/clog + * + * Copyright 2013 Mike Mueller <mike@subfocal.net>. + * + * As is; no warranty is provided; use at your own risk. + */ + +#ifndef __CLOG_H__ +#define __CLOG_H__ + +#include <sys/types.h> +#include <sys/stat.h> +#include <errno.h> +#include <fcntl.h> +#include <stdarg.h> +#include <stdlib.h> +#include <stdio.h> +#include <string.h> +#include <time.h> +#ifndef _MSC_VER +#include <unistd.h> +#else +#define WIN32_LEAN_AND_MEAN +#include <windows.h> +#include <io.h> +#define open _open +#define close _close +#define write _write +#define snprintf _snprintf +#endif + +/* Number of loggers that can be defined. */ +#define CLOG_MAX_LOGGERS 16 + +/* Format strings cannot be longer than this. */ +#define CLOG_FORMAT_LENGTH 256 + +/* Formatted times and dates should be less than this length. If they are not, + * they will not appear in the log. */ +#define CLOG_DATETIME_LENGTH 256 + +/* Default format strings. */ +#define CLOG_DEFAULT_FORMAT "%d %t %f(%n): %l: %m\n" +#define CLOG_DEFAULT_DATE_FORMAT "%Y-%m-%d" +#define CLOG_DEFAULT_TIME_FORMAT "%H:%M:%S" + +#ifdef __cplusplus +extern "C" { +#endif + +enum clog_level { + CLOG_DEBUG, + CLOG_INFO, + CLOG_WARN, + CLOG_ERROR +}; + +struct clog; + +/** + * Create a new logger writing to the given file path. The file will always + * be opened in append mode. + * + * @param id + * A constant integer between 0 and 15 that uniquely identifies this logger. + * + * @param path + * Path to the file where log messages will be written. + * + * @return + * Zero on success, non-zero on failure. + */ +int clog_init_path(int id, const char *const path); + +/** + * Create a new logger writing to a file descriptor. + * + * @param id + * A constant integer between 0 and 15 that uniquely identifies this logger. + * + * @param fd + * The file descriptor where log messages will be written. + * + * @return + * Zero on success, non-zero on failure. + */ +int clog_init_fd(int id, int fd); + +/** + * Destroy (clean up) a logger. You should do this at the end of execution, + * or when you are done using the logger. + * + * @param id + * The id of the logger to destroy. + */ +void clog_free(int id); + +#define CLOG(id) __FILE__, __LINE__, id + +/** + * Log functions (one per level). Call these to write messages to the log + * file. The first three arguments can be replaced with a call to the CLOG + * macro defined above, e.g.: + * + * clog_debug(CLOG(MY_LOGGER_ID), "This is a log message."); + * + * @param sfile + * The name of the source file making this log call (e.g. __FILE__). + * + * @param sline + * The line number of the call in the source code (e.g. __LINE__). + * + * @param id + * The id of the logger to write to. + * + * @param fmt + * The format string for the message (printf formatting). + * + * @param ... + * Any additional format arguments. + */ +void clog_debug(const char *sfile, int sline, int id, const char *fmt, va_list ap); +void clog_info(const char *sfile, int sline, int id, const char *fmt, va_list ap); +void clog_warn(const char *sfile, int sline, int id, const char *fmt, va_list ap); +void clog_error(const char *sfile, int sline, int id, const char *fmt, va_list ap); + +/** + * Set the minimum level of messages that should be written to the log. + * Messages below this level will not be written. By default, loggers are + * created with level == CLOG_DEBUG. + * + * @param id + * The identifier of the logger. + * + * @param level + * The new minimum log level. + * + * @return + * Zero on success, non-zero on failure. + */ +int clog_set_level(int id, enum clog_level level); + +/** + * Set the format string used for times. See strftime(3) for how this string + * should be defined. The default format string is CLOG_DEFAULT_TIME_FORMAT. + * + * @param fmt + * The new format string, which must be less than CLOG_FORMAT_LENGTH bytes. + * + * @return + * Zero on success, non-zero on failure. + */ +int clog_set_time_fmt(int id, const char *fmt); + +/** + * Set the format string used for dates. See strftime(3) for how this string + * should be defined. The default format string is CLOG_DEFAULT_DATE_FORMAT. + * + * @param fmt + * The new format string, which must be less than CLOG_FORMAT_LENGTH bytes. + * + * @return + * Zero on success, non-zero on failure. + */ +int clog_set_date_fmt(int id, const char *fmt); + +/** + * Set the format string for log messages. Here are the substitutions you may + * use: + * + * %f: Source file name generating the log call. + * %n: Source line number where the log call was made. + * %m: The message text sent to the logger (after printf formatting). + * %d: The current date, formatted using the logger's date format. + * %t: The current time, formatted using the logger's time format. + * %l: The log level (one of "DEBUG", "INFO", "WARN", or "ERROR"). + * %%: A literal percent sign. + * + * The default format string is CLOG_DEFAULT_FORMAT. + * + * @param fmt + * The new format string, which must be less than CLOG_FORMAT_LENGTH bytes. + * You probably will want to end this with a newline (\n). + * + * @return + * Zero on success, non-zero on failure. + */ +int clog_set_fmt(int id, const char *fmt); + +/** + * Set the callback function. + * + * @param cb + * The new callback function. + * + * @return + * Zero on success, non-zero on failure. + */ +int clog_set_cb(int id, void (*cb)(const char *msg, size_t len)); + +/** + * Set the file descriptor. + * + * @param id + * The identifier of the logger. + * + * @param fd + * The new file descriptor. + * + * @return + * Zero on success, non-zero on failure. + */ +int clog_set_fd(int id, int fd); + + +/* + * No need to read below this point. + */ + +/** + * The C logger structure. + */ +struct clog { + + /* The current level of this logger. Messages below it will be dropped. */ + enum clog_level level; + + /* The file being written. */ + int fd; + + /* The format specifier. */ + char fmt[CLOG_FORMAT_LENGTH]; + + /* Date format */ + char date_fmt[CLOG_FORMAT_LENGTH]; + + /* Time format */ + char time_fmt[CLOG_FORMAT_LENGTH]; + + /* Tracks whether the fd needs to be closed eventually. */ + int opened; + + /* Callback function for each log message. */ + void (*cb)(const char *msg, size_t len); +}; + +void _clog_err(const char *fmt, ...); + +#ifdef CLOG_MAIN +struct clog *_clog_loggers[CLOG_MAX_LOGGERS] = { 0 }; +#else +extern struct clog *_clog_loggers[CLOG_MAX_LOGGERS]; +#endif + +#ifdef CLOG_MAIN + +const char *const CLOG_LEVEL_NAMES[] = { + "Debug", + "Info", + "Warning", + "Error", +}; + +int +clog_init_path(int id, const char *const path) +{ + int fd = open(path, O_CREAT | O_WRONLY | O_APPEND, 0666); + if (fd == -1) { + _clog_err("Unable to open %s: %s\n", path, strerror(errno)); + return 1; + } + if (clog_init_fd(id, fd)) { + close(fd); + return 1; + } + _clog_loggers[id]->opened = 1; + return 0; +} + +int +clog_init_fd(int id, int fd) +{ + struct clog *logger; + + if (_clog_loggers[id] != NULL) { + _clog_err("Logger %d already initialized.\n", id); + return 1; + } + + logger = (struct clog *) malloc(sizeof(struct clog)); + if (logger == NULL) { + _clog_err("Failed to allocate logger: %s\n", strerror(errno)); + return 1; + } + + logger->level = CLOG_DEBUG; + logger->fd = fd; + logger->opened = 0; + strcpy(logger->fmt, CLOG_DEFAULT_FORMAT); + strcpy(logger->date_fmt, CLOG_DEFAULT_DATE_FORMAT); + strcpy(logger->time_fmt, CLOG_DEFAULT_TIME_FORMAT); + logger->cb = NULL; + + _clog_loggers[id] = logger; + return 0; +} + +void +clog_free(int id) +{ + if (_clog_loggers[id]) { + if (_clog_loggers[id]->opened) { + close(_clog_loggers[id]->fd); + } + free(_clog_loggers[id]); + _clog_loggers[id]=NULL; + } +} + +int +clog_set_level(int id, enum clog_level level) +{ + if (_clog_loggers[id] == NULL) { + return 1; + } + if ((unsigned) level > CLOG_ERROR) { + return 1; + } + _clog_loggers[id]->level = level; + return 0; +} + +int +clog_set_fd(int id, int fd) +{ + if (_clog_loggers[id] == NULL) { + return 1; + } + _clog_loggers[id]->fd = fd; + return 0; +} + +int +clog_set_time_fmt(int id, const char *fmt) +{ + struct clog *logger = _clog_loggers[id]; + if (logger == NULL) { + _clog_err("clog_set_time_fmt: No such logger: %d\n", id); + return 1; + } + if (strlen(fmt) >= CLOG_FORMAT_LENGTH) { + _clog_err("clog_set_time_fmt: Format specifier too long.\n"); + return 1; + } + strcpy(logger->time_fmt, fmt); + return 0; +} + +int +clog_set_date_fmt(int id, const char *fmt) +{ + struct clog *logger = _clog_loggers[id]; + if (logger == NULL) { + _clog_err("clog_set_date_fmt: No such logger: %d\n", id); + return 1; + } + if (strlen(fmt) >= CLOG_FORMAT_LENGTH) { + _clog_err("clog_set_date_fmt: Format specifier too long.\n"); + return 1; + } + strcpy(logger->date_fmt, fmt); + return 0; +} + +int +clog_set_fmt(int id, const char *fmt) +{ + struct clog *logger = _clog_loggers[id]; + if (logger == NULL) { + _clog_err("clog_set_fmt: No such logger: %d\n", id); + return 1; + } + if (strlen(fmt) >= CLOG_FORMAT_LENGTH) { + _clog_err("clog_set_fmt: Format specifier too long.\n"); + return 1; + } + strcpy(logger->fmt, fmt); + return 0; +} + +int +clog_set_cb(int id, void (*cb)(const char *msg, size_t len)) +{ + struct clog *logger = _clog_loggers[id]; + if (logger == NULL) { + _clog_err("clog_set_cb: No such logger: %d\n", id); + return 1; + } + logger->cb = cb; + return 0; +} + +/* Internal functions */ + +size_t +_clog_append_str(char **dst, char *orig_buf, const char *src, size_t cur_size) +{ + size_t new_size = cur_size; + + while (strlen(*dst) + strlen(src) >= new_size) { + new_size *= 2; + } + if (new_size != cur_size) { + if (*dst == orig_buf) { + *dst = (char *) malloc(new_size); + strcpy(*dst, orig_buf); + } else { + *dst = (char *) realloc(*dst, new_size); + } + } + + strcat(*dst, src); + return new_size; +} + +size_t +_clog_append_int(char **dst, char *orig_buf, long int d, size_t cur_size) +{ + char buf[40]; /* Enough for 128-bit decimal */ + if (snprintf(buf, 40, "%ld", d) >= 40) { + return cur_size; + } + return _clog_append_str(dst, orig_buf, buf, cur_size); +} + +size_t +_clog_append_time(char **dst, char *orig_buf, struct tm *lt, + const char *fmt, size_t cur_size) +{ + char buf[CLOG_DATETIME_LENGTH]; + size_t result = strftime(buf, CLOG_DATETIME_LENGTH, fmt, lt); + + if (result > 0) { + return _clog_append_str(dst, orig_buf, buf, cur_size); + } + + return cur_size; +} + +const char * +_clog_basename(const char *path) +{ + const char *slash = strrchr(path, '/'); + if (slash) { + path = slash + 1; + } +#ifdef _WIN32 + slash = strrchr(path, '\\'); + if (slash) { + path = slash + 1; + } +#endif + return path; +} + +char * +_clog_format(const struct clog *logger, char buf[], size_t buf_size, + const char *sfile, int sline, const char *level, + const char *message) +{ + size_t cur_size = buf_size; + char *result = buf; + enum { NORMAL, SUBST } state = NORMAL; + size_t fmtlen = strlen(logger->fmt); + size_t i; + time_t t = time(NULL); + struct tm *lt = localtime(&t); + + sfile = _clog_basename(sfile); + result[0] = 0; + for (i = 0; i < fmtlen; ++i) { + if (state == NORMAL) { + if (logger->fmt[i] == '%') { + state = SUBST; + } else { + char str[2] = { 0 }; + str[0] = logger->fmt[i]; + cur_size = _clog_append_str(&result, buf, str, cur_size); + } + } else { + switch (logger->fmt[i]) { + case '%': + cur_size = _clog_append_str(&result, buf, "%", cur_size); + break; + case 't': + cur_size = _clog_append_time(&result, buf, lt, + logger->time_fmt, cur_size); + break; + case 'd': + cur_size = _clog_append_time(&result, buf, lt, + logger->date_fmt, cur_size); + break; + case 'l': + cur_size = _clog_append_str(&result, buf, level, cur_size); + break; + case 'n': + cur_size = _clog_append_int(&result, buf, sline, cur_size); + break; + case 'f': + cur_size = _clog_append_str(&result, buf, sfile, cur_size); + break; + case 'm': + cur_size = _clog_append_str(&result, buf, message, + cur_size); + break; + } + state = NORMAL; + } + } + + return result; +} + +void +_clog_log(const char *sfile, int sline, enum clog_level level, + int id, const char *fmt, va_list ap) +{ + /* For speed: Use a stack buffer until message exceeds 4096, then switch + * to dynamically allocated. This should greatly reduce the number of + * memory allocations (and subsequent fragmentation). */ + char buf[4096]; + size_t buf_size = 4096; + char *dynbuf = buf; + char *message; + int result; + struct clog *logger = _clog_loggers[id]; + + if (!logger) { + _clog_err("No such logger: %d\n", id); + return; + } + + if (level < logger->level) { + return; + } + + /* Format the message text with the argument list. */ + result = vsnprintf(dynbuf, buf_size, fmt, ap); + if ((size_t) result >= buf_size) { + buf_size = result + 1; + dynbuf = (char *) malloc(buf_size); + result = vsnprintf(dynbuf, buf_size, fmt, ap); + if ((size_t) result >= buf_size) { + /* Formatting failed -- too large */ + _clog_err("Formatting failed (1).\n"); + free(dynbuf); + return; + } + } + + /* Format according to log format and write to log */ + { + char message_buf[4096]; + message = _clog_format(logger, message_buf, 4096, sfile, sline, + CLOG_LEVEL_NAMES[level], dynbuf); + if (!message) { + _clog_err("Formatting failed (2).\n"); + if (dynbuf != buf) { + free(dynbuf); + } + return; + } + result = write(logger->fd, message, strlen(message)); + if (logger->cb) logger->cb(message,strlen(message)); + if (result == -1) { + _clog_err("Unable to write to log file: %s\n", strerror(errno)); + } + if (message != message_buf) { + free(message); + } + if (dynbuf != buf) { + free(dynbuf); + } +#ifndef _MSC_VER + fsync(logger->fd); +#else + HANDLE h = (HANDLE) _get_osfhandle(logger->fd); + if (h != INVALID_HANDLE_VALUE) { + // This call will fail on a console fd, but that's ok. + FlushFileBuffers(h); + } +#endif + } +} + +void +clog_debug(const char *sfile, int sline, int id, const char *fmt, va_list ap) +{ + _clog_log(sfile, sline, CLOG_DEBUG, id, fmt, ap); +} + +void +clog_info(const char *sfile, int sline, int id, const char *fmt, va_list ap) +{ + _clog_log(sfile, sline, CLOG_INFO, id, fmt, ap); +} + +void +clog_warn(const char *sfile, int sline, int id, const char *fmt, va_list ap) +{ + _clog_log(sfile, sline, CLOG_WARN, id, fmt, ap); +} + +void +clog_error(const char *sfile, int sline, int id, const char *fmt, va_list ap) +{ + _clog_log(sfile, sline, CLOG_ERROR, id, fmt, ap); +} + +void +_clog_err(const char *fmt, ...) +{ +#ifdef CLOG_SILENT + (void) fmt; +#else + va_list ap; + + va_start(ap, fmt); + vfprintf(stderr, fmt, ap); +#endif +} + +#endif /* CLOG_MAIN */ + +#ifdef __cplusplus +} /* extern "C" */ +#endif + +#endif /* __CLOG_H__ */ |