/**

 * @file logging.h

 * @brief Functions for logging.

 */

#ifndef LK_LOGGING_H

#define LK_LOGGING_H

#include <syslog.h>

#include <keymap/context.h>

/**

 * Logging function which uses @ref lk_ctx::log_fn "log_fn" and

 * @ref lk_ctx::log_data "log_data" to write log messages.

 * @param ctx is a keymap library context.

 * @param priority indicates the priority.

 */

void lk_log(struct lk_ctx *ctx, int priority,

            const char *file, int line, const char *fn,

            const char *fmt, ...);

#define lk_log_cond(ctx, level, arg...)                                          \

	do {                                                                     \

		if (ctx->log_priority >= level)                                  \

			lk_log(ctx, level, __FILE__, __LINE__, __func__, ##arg); \

	} while (0)

/**

 * Wrapper to output debug-level messages

 * @param ctx is a keymap library context.

 * @param arg is output message.

 */

#define DBG(ctx, arg...) lk_log_cond(ctx, LOG_DEBUG, ##arg)

/**

 * Wrapper to output informational messages

 * @param ctx is a keymap library context.

 * @param arg is output message.

 */

#define INFO(ctx, arg...) lk_log_cond(ctx, LOG_INFO, ##arg)

/**

 * Wrapper to output warning conditions

 * @param ctx is a keymap library context.

 * @param arg is output message.

 */

#define WARN(ctx, arg...) lk_log_cond(ctx, LOG_WARNING, ##arg)

/**

 * Wrapper to output error conditions

 * @param ctx is a keymap library context.

 * @param arg is output message.

 */

#define ERR(ctx, arg...) lk_log_cond(ctx, LOG_ERR, ##arg)

#endif /* LK_LOGGING_H */