From cf07a9fc4fbcd9869ee6df339ece53596a54d873 Mon Sep 17 00:00:00 2001 From: Scott Anderson Date: Mon, 5 Jun 2017 14:50:33 +1200 Subject: [PATCH 1/2] Logging improvements --- CMakeLists.txt | 1 + common/log.c | 66 ++++++++-------------------------------- include/common/log.h | 31 ++++++++++++++----- include/wlr/common/log.h | 4 ++- 4 files changed, 41 insertions(+), 61 deletions(-) diff --git a/CMakeLists.txt b/CMakeLists.txt index efb741dfd..2570b3c00 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -39,6 +39,7 @@ endif() add_definitions(-DWLR_GIT_VERSION=\"${GIT_COMMIT_HASH}\") add_definitions(-DWLR_GIT_BRANCH=\"${GIT_BRANCH}\") +add_definitions(-DWLR_SRC_DIR=\"${CMAKE_SOURCE_DIR}\") string(TIMESTAMP CURRENT_DATE "%Y-%m-%d" UTC) add_definitions(-DWLR_VERSION_DATE=\"${CURRENT_DATE}\") diff --git a/common/log.c b/common/log.c index 7e59fcca1..af07334a5 100644 --- a/common/log.c +++ b/common/log.c @@ -10,7 +10,7 @@ #include "common/log.h" static bool colored = true; -static log_callback_t log_callback; +static log_callback_t log_callback = wlr_log_stderr; static const char *verbosity_colors[] = { [L_SILENT] = "", @@ -21,46 +21,26 @@ static const char *verbosity_colors[] = { void wlr_log_init(log_callback_t callback) { log_callback = callback; - // TODO: Use log callback } -void _wlr_vlog(const char *filename, int line, log_importance_t verbosity, - const char *format, va_list args) { +void wlr_log_stderr(log_importance_t verbosity, const char *fmt, va_list args) { // prefix the time to the log message - static struct tm result; - static time_t t; - static struct tm *tm_info; + struct tm result; + time_t t = time(NULL); + struct tm *tm_info = localtime_r(&t, &result); char buffer[26]; - // get current time - t = time(NULL); - // convert time to local time (determined by the locale) - tm_info = localtime_r(&t, &result); // generate time prefix - strftime(buffer, sizeof(buffer), "%x %X - ", tm_info); + strftime(buffer, sizeof(buffer), "%F %T - ", tm_info); fprintf(stderr, "%s", buffer); - unsigned int c = verbosity; - if (c > sizeof(verbosity_colors) / sizeof(char *) - 1) { - c = sizeof(verbosity_colors) / sizeof(char *) - 1; - } + unsigned c = (verbosity < L_LAST) ? verbosity : L_LAST - 1; if (colored && isatty(STDERR_FILENO)) { fprintf(stderr, "%s", verbosity_colors[c]); } - if (filename && line) { - const char *file = filename + strlen(filename); - while (file != filename && *file != '/') { - --file; - } - if (*file == '/') { - ++file; - } - fprintf(stderr, "[%s:%d] ", file, line); - } - - vfprintf(stderr, format, args); + vfprintf(stderr, fmt, args); if (colored && isatty(STDERR_FILENO)) { fprintf(stderr, "\x1B[0m"); @@ -68,33 +48,13 @@ void _wlr_vlog(const char *filename, int line, log_importance_t verbosity, fprintf(stderr, "\n"); } -void _wlr_log(const char *filename, int line, log_importance_t verbosity, const char* format, ...) { - va_list args; - va_start(args, format); - _wlr_vlog(filename, line, verbosity, format, args); - va_end(args); +void _wlr_vlog(log_importance_t verbosity, const char *fmt, va_list args) { + log_callback(verbosity, fmt, args); } -void wlr_log_errno(log_importance_t verbosity, char* format, ...) { - unsigned int c = verbosity; - if (c > sizeof(verbosity_colors) / sizeof(char *) - 1) { - c = sizeof(verbosity_colors) / sizeof(char *) - 1; - } - - if (isatty(STDERR_FILENO)) { - fprintf(stderr, "%s", verbosity_colors[c]); - } - +void _wlr_log(log_importance_t verbosity, const char *fmt, ...) { va_list args; - va_start(args, format); - vfprintf(stderr, format, args); + va_start(args, fmt); + log_callback(verbosity, fmt, args); va_end(args); - - fprintf(stderr, ": "); - fprintf(stderr, "%s", strerror(errno)); - - if (isatty(STDERR_FILENO)) { - fprintf(stderr, "\x1B[0m"); - } - fprintf(stderr, "\n"); } diff --git a/include/common/log.h b/include/common/log.h index 849f8ef0e..b8654b9bd 100644 --- a/include/common/log.h +++ b/include/common/log.h @@ -1,18 +1,35 @@ #ifndef _WLR_INTERNAL_COMMON_LOG_H #define _WLR_INTERNAL_COMMON_LOG_H #include +#include +#include #include -void wlr_log_errno(log_importance_t verbosity, char* format, ...) __attribute__((format(printf,2,3))); +#ifdef __GNUC__ +#define ATTRIB_PRINTF(start, end) __attribute__((format(printf, start, end))) +#else +#define ATTRIB_PRINTF(start, end) +#endif -void wlr_log_errno(log_importance_t verbosity, char* format, ...) __attribute__((format(printf,2,3))); +void _wlr_log(log_importance_t verbosity, const char *format, ...) ATTRIB_PRINTF(2, 3); +void _wlr_vlog(log_importance_t verbosity, const char *format, va_list args) ATTRIB_PRINTF(2, 0); -void _wlr_log(const char *filename, int line, log_importance_t verbosity, const char* format, ...) __attribute__((format(printf,4,5))); +// Returns a filename relative to wlroots source directory +static inline const char *_relpath(const char *file) { + const char *prefix = WLR_SRC_DIR; + if (strncmp(file, prefix, strlen(prefix)) == 0) { + file += strlen(prefix) + 1; + } + return file; +} -#define wlr_log(VERBOSITY, FMT, ...) \ - _wlr_log(__FILE__, __LINE__, VERBOSITY, FMT, ##__VA_ARGS__) +#define wlr_log(verb, fmt, ...) \ + _wlr_log(verb, "[%s:%d] " fmt, _relpath(__FILE__), __LINE__, ##__VA_ARGS__) -#define wlr_vlog(VERBOSITY, FMT, VA_ARGS) \ - _wlr_vlog(__FILE__, __LINE__, VERBOSITY, FMT, VA_ARGS) +#define wlr_vlog(verb, fmt, args) \ + _wlr_vlog(verb, "[%s:%d] " fmt, _relpath(__FILE__), __LINE__, args) + +#define wlr_log_errno(verb, fmt, ...) \ + wlr_log(verb, fmt ": %s", ##__VA_ARGS__, strerror(errno)) #endif diff --git a/include/wlr/common/log.h b/include/wlr/common/log.h index 079f989a8..c93f9652c 100644 --- a/include/wlr/common/log.h +++ b/include/wlr/common/log.h @@ -8,10 +8,12 @@ typedef enum { L_ERROR = 1, L_INFO = 2, L_DEBUG = 3, + L_LAST, } log_importance_t; typedef void (*log_callback_t)(log_importance_t importance, const char *fmt, va_list args); -void init_log(log_callback_t callback); +void wlr_init_log(log_callback_t callback); +void wlr_log_stderr(log_importance_t verbosity, const char *fmt, va_list args); #endif From b537656b4b09717da3255c1ce8121c4becfa9de5 Mon Sep 17 00:00:00 2001 From: Scott Anderson Date: Mon, 5 Jun 2017 15:09:41 +1200 Subject: [PATCH 2/2] Removed inline function --- include/common/log.h | 13 ++----------- 1 file changed, 2 insertions(+), 11 deletions(-) diff --git a/include/common/log.h b/include/common/log.h index b8654b9bd..3fca0dcf6 100644 --- a/include/common/log.h +++ b/include/common/log.h @@ -14,20 +14,11 @@ void _wlr_log(log_importance_t verbosity, const char *format, ...) ATTRIB_PRINTF(2, 3); void _wlr_vlog(log_importance_t verbosity, const char *format, va_list args) ATTRIB_PRINTF(2, 0); -// Returns a filename relative to wlroots source directory -static inline const char *_relpath(const char *file) { - const char *prefix = WLR_SRC_DIR; - if (strncmp(file, prefix, strlen(prefix)) == 0) { - file += strlen(prefix) + 1; - } - return file; -} - #define wlr_log(verb, fmt, ...) \ - _wlr_log(verb, "[%s:%d] " fmt, _relpath(__FILE__), __LINE__, ##__VA_ARGS__) + _wlr_log(verb, "[%s:%d] " fmt, __FILE__ + strlen(WLR_SRC_DIR) + 1, __LINE__, ##__VA_ARGS__) #define wlr_vlog(verb, fmt, args) \ - _wlr_vlog(verb, "[%s:%d] " fmt, _relpath(__FILE__), __LINE__, args) + _wlr_vlog(verb, "[%s:%d] " fmt, __FILE__ + strlen(WLR_SRC_DIR) + 1, __LINE__, args) #define wlr_log_errno(verb, fmt, ...) \ wlr_log(verb, fmt ": %s", ##__VA_ARGS__, strerror(errno))