diff options
Diffstat (limited to 'utils.h')
| -rw-r--r-- | utils.h | 137 |
1 files changed, 137 insertions, 0 deletions
diff --git a/utils.h b/utils.h new file mode 100644 index 000000000..0a78264c3 --- /dev/null +++ b/utils.h @@ -0,0 +1,137 @@ +#ifndef UTILS_H +#define UTILS_H 1 + +#include <stdarg.h> +#include <stdint.h> +#include <sys/types.h> + +#define WARN_UNUSED __attribute__((__warn_unused_result__)) + +#define INI_MAX_SECTION 50 +#define INI_MAX_NAME 50 + +#define CMDARG_STR(_default_value) \ + { \ + .is_set = 0, .type = CMDTYPE_STRING, .string.value = NULL, .string.default_value = (_default_value) \ + } +#define CMDARG_BOOL(_default_value) \ + { \ + .is_set = 0, .type = CMDTYPE_BOOLEAN, .boolean.value = 0, .boolean.default_value = (_default_value) \ + } +#define CMDARG_ULL(_default_value) \ + { \ + .is_set = 0, .type = CMDTYPE_ULL, .ull.value = 0ull, .ull.default_value = (_default_value) \ + } +#define CONFOPT(_key, _opt) \ + { \ + .key = _key, .opt = _opt \ + } +#define GET_CMDARG_STR(cmdarg) ((cmdarg).string.value) +#define GET_CMDARG_BOOL(cmdarg) ((cmdarg).boolean.value) +#define GET_CMDARG_ULL(cmdarg) ((cmdarg).ull.value) +#define IS_CMDARG_SET(cmdarg) ((cmdarg).is_set) + +enum cmdtype +{ + CMDTYPE_INVALID = 0, + CMDTYPE_STRING, + CMDTYPE_BOOLEAN, + CMDTYPE_ULL +}; + +struct cmdarg +{ + enum cmdtype type; + int is_set; + union + { + struct + { + char * value; + char const * const default_value; + } string; + struct + { + uint8_t value; + uint8_t const default_value; + } boolean; + struct + { + unsigned long long int value; + unsigned long long int const default_value; + } ull; + }; +}; + +struct confopt +{ + char const * const key; + struct cmdarg * const opt; +}; + +typedef int (*config_line_callback)( + int lineno, char const * const section, char const * const key, char const * const value, void * const user_data); + +void set_config_defaults(struct confopt * const co_array, size_t array_length); + +WARN_UNUSED +int set_config_from(struct confopt * const co, char const * const from); + +void set_cmdarg_string(struct cmdarg * const ca, char const * const val); + +void set_cmdarg_boolean(struct cmdarg * const ca, uint8_t val); + +void set_cmdarg_ull(struct cmdarg * const ca, unsigned long long int val); + +WARN_UNUSED +int is_path_absolute(char const * const prefix, char const * const path); + +void daemonize_enable(void); + +WARN_UNUSED +int is_daemonize_enabled(void); + +WARN_UNUSED +int daemonize_with_pidfile(char const * const pidfile); + +int daemonize_shutdown(char const * const pidfile); + +WARN_UNUSED +int change_user_group(char const * const user, char const * const group, char const * const pidfile); + +WARN_UNUSED +int chmod_chown(char const * const path, mode_t mode, char const * const user, char const * const group); + +void init_logging(char const * const daemon_name); + +void log_app_info(void); + +void shutdown_logging(void); + +WARN_UNUSED +int enable_file_logger(char const * const log_file); + +WARN_UNUSED +int get_log_file_fd(void); + +void enable_console_logger(void); + +WARN_UNUSED +int is_console_logger_enabled(void); + +void vlogger(int is_error, char const * const format, va_list ap); + +__attribute__((format(printf, 2, 3))) void logger(int is_error, char const * const format, ...); + +__attribute__((format(printf, 2, 3))) void logger_early(int is_error, char const * const format, ...); + +WARN_UNUSED +int set_fd_cloexec(int fd); + +WARN_UNUSED +char const * get_nDPId_version(void); + +WARN_UNUSED +int parse_config_file(char const * const config_file, config_line_callback cb, void * const user_data); + +#endif |