log.h

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/* Simple Plugin API */
/* SPDX-FileCopyrightText: Copyright © 2022 Wim Taymans */
/* SPDX-License-Identifier: MIT */
 
#ifndef SPA_DEBUG_LOG_H
#define SPA_DEBUG_LOG_H
 
#include <stdio.h>
#include <stdarg.h>
 
#include <spa/utils/defs.h>
#include <spa/support/log.h>
#include <spa/debug/context.h>
#include <spa/debug/dict.h>
#include <spa/debug/format.h>
#include <spa/debug/mem.h>
#include <spa/debug/pod.h>
 
#ifdef __cplusplus
extern "C" {
#endif
 
#ifndef SPA_API_DEBUG_LOG
 #ifdef SPA_API_IMPL
  #define SPA_API_DEBUG_LOG SPA_API_IMPL
 #else
  #define SPA_API_DEBUG_LOG static inline
 #endif
#endif

 
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)
SPA_API_DEBUG_LOG void spa_debug_log_log(struct spa_debug_context *ctx, const char *fmt, ...)
{
        struct spa_debug_log_ctx *c = SPA_CONTAINER_OF(ctx, 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);                      \
})
 
#define spa_debug_log_dict(l,lev,indent,dict)                                   \
({                                                                              \
        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_dict(&c.ctx, indent, dict);                          \
})
 
#define spa_debug_log_error_location(l,lev,loc,fmt,...)                                 \
({                                                                                      \
        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))) {       \
                if (fmt) spa_debugc(&c.ctx, fmt, __VA_ARGS__);                          \
                spa_debugc_error_location(&c.ctx, loc);                                 \
        }                                                                               \
})

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