spa/include/spa/debug/log.h

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/* Simple Plugin API
 *
 * Copyright © 2022 Wim Taymans
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice (including the next
 * paragraph) shall be included in all copies or substantial portions of the
 * Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 * DEALINGS IN THE SOFTWARE.
 */

#ifndef SPA_DEBUG_LOG_H
#define SPA_DEBUG_LOG_H

#ifdef __cplusplus
extern "C" {
#endif

#include <stdio.h>
#include <stdarg.h>

#include <spa/utils/defs.h>
#include <spa/support/log.h>
#include <spa/debug/context.h>

struct spa_debug_log_ctx {
        struct spa_debug_context ctx;
        struct spa_log *log;
        enum spa_log_level level;
        const struct spa_log_topic *topic;
        const char *file;
        int line;
        const char *func;
};

SPA_PRINTF_FUNC(2,3)
static inline void spa_debug_log_log(struct spa_debug_context *ctx, const char *fmt, ...)
{
        struct spa_debug_log_ctx *c = (struct spa_debug_log_ctx*)ctx;
        va_list args;
        va_start(args, fmt);
        spa_log_logtv(c->log, c->level, c->topic, c->file, c->line, c->func, fmt, args);
        va_end(args);
}

#define SPA_LOGF_DEBUG_INIT(_l,_lev,_t,_file,_line,_func)                       \
        (struct spa_debug_log_ctx){ { spa_debug_log_log }, _l, _lev, _t,        \
                _file, _line, _func }

#define SPA_LOGT_DEBUG_INIT(_l,_lev,_t)                                         \
        SPA_LOGF_DEBUG_INIT(_l,_lev,_t,__FILE__,__LINE__,__func__)

#define SPA_LOG_DEBUG_INIT(l,lev)       \
        SPA_LOGT_DEBUG_INIT(l,lev,SPA_LOG_TOPIC_DEFAULT)

#define spa_debug_log_pod(l,lev,indent,info,pod)                                \
({                                                                              \
        struct spa_debug_log_ctx c = SPA_LOG_DEBUG_INIT(l,lev);                 \
        if (SPA_UNLIKELY(spa_log_level_topic_enabled(c.log, c.topic, c.level))) \
                spa_debugc_pod(&c.ctx, indent, info, pod);                      \
})

#define spa_debug_log_format(l,lev,indent,info,format)                          \
({                                                                              \
        struct spa_debug_log_ctx c = SPA_LOG_DEBUG_INIT(l,lev);                 \
        if (SPA_UNLIKELY(spa_log_level_topic_enabled(c.log, c.topic, c.level))) \
                spa_debugc_format(&c.ctx, indent, info, format);                \
})

#define spa_debug_log_mem(l,lev,indent,data,len)                                \
({                                                                              \
        struct spa_debug_log_ctx c = SPA_LOG_DEBUG_INIT(l,lev);                 \
        if (SPA_UNLIKELY(spa_log_level_topic_enabled(c.log, c.topic, c.level))) \
                spa_debugc_mem(&c.ctx, indent, data, len);                      \
})

#ifdef __cplusplus
}  /* extern "C" */
#endif

#endif /* SPA_DEBUG_LOG_H */