mirror of
https://github.com/troglobit/finit.git
synced 2026-09-30 13:02:37 +07:00
Joachim Wiberg
1e508f9168
The legacy socket logs a line per command under initctl debug; the bus logged nothing, so the transport that now carries most of initctl was the one you could not watch. libink gets a logger hook rather than a dependency on Finit's: it passes the emitting function and a formatted message, and dbus.c hands both to logit() so the two sources read alike. Trace points cover the connection lifecycle, every inbound call, and why a call was refused. Signed-off-by: Joachim Wiberg <troglobit@gmail.com>
41 lines
981 B
C
41 lines
981 B
C
/* libink — optional debug tracing, routed to whoever embeds us.
|
|
*
|
|
* libink has no logger of its own by design: it must not depend on the
|
|
* host's logging, and PID 1 already has one. The embedder installs a
|
|
* callback and gets a line per connection, call, and authorization
|
|
* decision. Formatting happens before the callback, so an embedder
|
|
* that wants tracing off should uninstall rather than filter.
|
|
*
|
|
* Copyright (c) 2026 Joachim Wiberg <troglobit@gmail.com>
|
|
* SPDX-License-Identifier: MIT
|
|
*/
|
|
|
|
#include <stdarg.h>
|
|
#include <stdio.h>
|
|
|
|
#include "internal.h"
|
|
|
|
static link_log_cb_t logger;
|
|
static void *logger_userdata;
|
|
|
|
void link_set_logger(link_log_cb_t cb, void *userdata)
|
|
{
|
|
logger = cb;
|
|
logger_userdata = userdata;
|
|
}
|
|
|
|
void __log(const char *func, const char *fmt, ...)
|
|
{
|
|
char msg[256];
|
|
va_list ap;
|
|
|
|
if (!logger)
|
|
return;
|
|
|
|
va_start(ap, fmt);
|
|
vsnprintf(msg, sizeof(msg), fmt, ap);
|
|
va_end(ap);
|
|
|
|
logger(logger_userdata, func, msg);
|
|
}
|