add udebug support

[project/netifd.git] / main.c

diff --git a/main.c b/main.c
index ec7b1be036337ec61c9fd04eac05cc0691193859..403dc125d5f039546617f84b155760b195fc100d 100644 (file)
--- a/main.c
+++ b/main.c
@@ -19,6 +19,8 @@
 #include <stdarg.h>
 #include <syslog.h>
 
+#include <udebug.h>
+
 #include "netifd.h"
 #include "ubus.h"
 #include "config.h"
@@ -35,6 +37,9 @@ const char *resolv_conf = DEFAULT_RESOLV_CONF;
 static char **global_argv;
 
 static struct list_head process_list = LIST_HEAD_INIT(process_list);
+static struct udebug ud;
+static struct udebug_buf udb;
+static bool udebug_enabled;
 
 #define DEFAULT_LOG_LEVEL L_NOTICE
 
@@ -63,6 +68,49 @@ netifd_delete_process(struct netifd_process *proc)
        close(proc->log.fd.fd);
 }
 
+static void
+netifd_udebug_vprintf(const char *format, va_list ap)
+{
+       if (!udebug_enabled)
+               return;
+
+       udebug_entry_init(&udb);
+       udebug_entry_vprintf(&udb, format, ap);
+       udebug_entry_add(&udb);
+}
+
+void netifd_udebug_printf(const char *format, ...)
+{
+       va_list ap;
+
+       va_start(ap, format);
+       netifd_udebug_vprintf(format, ap);
+       va_end(ap);
+}
+
+void netifd_udebug_set_enabled(bool val)
+{
+       static const struct udebug_buf_meta meta = {
+               .name = "netifd_log",
+               .format = UDEBUG_FORMAT_STRING,
+       };
+
+       if (udebug_enabled == val)
+               return;
+
+       udebug_enabled = val;
+       if (!val) {
+               udebug_buf_free(&udb);
+               udebug_free(&ud);
+               return;
+       }
+
+       udebug_init(&ud);
+       udebug_auto_connect(&ud, NULL);
+       udebug_buf_init(&udb, 1024, 64 * 1024);
+       udebug_buf_add(&ud, &udb, &meta);
+}
+
 void
 __attribute__((format(printf, 2, 0)))
 netifd_log_message(int priority, const char *format, ...)
@@ -73,6 +121,7 @@ netifd_log_message(int priority, const char *format, ...)
                return;
 
        va_start(vl, format);
+       netifd_udebug_vprintf(format, vl);
        if (use_syslog)
                vsyslog(log_class[priority], format, vl);
        else