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/**
* @file log.c Logging
*
* Copyright (C) 2010 Creytiv.com
*/
#include <re.h>
#include <baresip.h>
static struct {
struct list logl;
bool debug;
bool info;
bool enable_stdout;
} lg = {
LIST_INIT,
false,
true,
true
};
/**
* Register a log handler
*
* @param log Log handler
*/
void log_register_handler(struct log *log)
{
if (!log)
return;
list_append(&lg.logl, &log->le, log);
}
/**
* Unregister a log handler
*
* @param log Log handler
*/
void log_unregister_handler(struct log *log)
{
if (!log)
return;
list_unlink(&log->le);
}
/**
* Enable debug-level logging
*
* @param enable True to enable, false to disable
*/
void log_enable_debug(bool enable)
{
lg.debug = enable;
}
/**
* Enable info-level logging
*
* @param enable True to enable, false to disable
*/
void log_enable_info(bool enable)
{
lg.info = enable;
}
/**
* Enable logging to standard-out
*
* @param enable True to enable, false to disable
*/
void log_enable_stdout(bool enable)
{
lg.enable_stdout = enable;
}
/**
* Print a message to the logging system
*
* @param level Log level
* @param fmt Formatted message
* @param ap Variable argument list
*/
void vlog(enum log_level level, const char *fmt, va_list ap)
{
char buf[4096];
struct le *le;
if (re_vsnprintf(buf, sizeof(buf), fmt, ap) < 0)
return;
if (lg.enable_stdout) {
bool color = level == LEVEL_WARN || level == LEVEL_ERROR;
if (color)
(void)re_fprintf(stdout, "\x1b[31m"); /* Red */
(void)re_fprintf(stdout, "%s", buf);
if (color)
(void)re_fprintf(stdout, "\x1b[;m");
}
le = lg.logl.head;
while (le) {
struct log *log = le->data;
le = le->next;
if (log->h)
log->h(level, buf);
}
}
/**
* Print a message to the logging system
*
* @param level Log level
* @param fmt Formatted message
* @param ... Variable arguments
*/
void loglv(enum log_level level, const char *fmt, ...)
{
va_list ap;
if ((LEVEL_DEBUG == level) && !lg.debug)
return;
if ((LEVEL_INFO == level) && !lg.info)
return;
va_start(ap, fmt);
vlog(level, fmt, ap);
va_end(ap);
}
/**
* Print a DEBUG message to the logging system
*
* @param fmt Formatted message
* @param ... Variable arguments
*/
void debug(const char *fmt, ...)
{
va_list ap;
if (!lg.debug)
return;
va_start(ap, fmt);
vlog(LEVEL_DEBUG, fmt, ap);
va_end(ap);
}
/**
* Print an INFO message to the logging system
*
* @param fmt Formatted message
* @param ... Variable arguments
*/
void info(const char *fmt, ...)
{
va_list ap;
if (!lg.info)
return;
va_start(ap, fmt);
vlog(LEVEL_INFO, fmt, ap);
va_end(ap);
}
/**
* Print a WARNING message to the logging system
*
* @param fmt Formatted message
* @param ... Variable arguments
*/
void warning(const char *fmt, ...)
{
va_list ap;
va_start(ap, fmt);
vlog(LEVEL_WARN, fmt, ap);
va_end(ap);
}
/**
* Print an ERROR message to the logging system
*
* @param fmt Formatted message
* @param ... Variable arguments
*/
void error_msg(const char *fmt, ...)
{
va_list ap;
va_start(ap, fmt);
vlog(LEVEL_ERROR, fmt, ap);
va_end(ap);
}
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