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-rw-r--r--ldpd/log.c138
1 files changed, 138 insertions, 0 deletions
diff --git a/ldpd/log.c b/ldpd/log.c
new file mode 100644
index 0000000..7c4d782
--- /dev/null
+++ b/ldpd/log.c
@@ -0,0 +1,138 @@
+// SPDX-License-Identifier: ISC
+/* $OpenBSD$ */
+
+/*
+ * Copyright (c) 2003, 2004 Henning Brauer <henning@openbsd.org>
+ */
+
+#include <zebra.h>
+
+#include "ldpd.h"
+#include "ldpe.h"
+#include "lde.h"
+#include "log.h"
+#include "printfrr.h"
+
+#include <lib/log.h>
+
+const char *log_procname;
+
+void
+logit(int pri, const char *fmt, ...)
+{
+ va_list ap;
+
+ va_start(ap, fmt);
+ vlog(pri, fmt, ap);
+ va_end(ap);
+}
+
+void
+vlog(int pri, const char *fmt, va_list ap)
+{
+ char buf[1024];
+
+ switch (ldpd_process) {
+ case PROC_LDE_ENGINE:
+ vsnprintfrr(buf, sizeof(buf), fmt, ap);
+ lde_imsg_compose_parent_sync(IMSG_LOG, pri, buf, strlen(buf) + 1);
+ break;
+ case PROC_LDP_ENGINE:
+ vsnprintfrr(buf, sizeof(buf), fmt, ap);
+ ldpe_imsg_compose_parent_sync(IMSG_LOG, pri, buf, strlen(buf) + 1);
+ break;
+ case PROC_MAIN:
+ vzlog(pri, fmt, ap);
+ break;
+ }
+}
+
+void
+log_warn(const char *emsg, ...)
+{
+ char *nfmt;
+ va_list ap;
+
+ /* best effort to even work in out of memory situations */
+ if (emsg == NULL)
+ logit(LOG_ERR, "%s", strerror(errno));
+ else {
+ va_start(ap, emsg);
+
+ if (asprintf(&nfmt, "%s: %s", emsg, strerror(errno)) == -1) {
+ /* we tried it... */
+ vlog(LOG_ERR, emsg, ap);
+ logit(LOG_ERR, "%s", strerror(errno));
+ } else {
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wformat-nonliteral"
+ /* format extended above */
+ vlog(LOG_ERR, nfmt, ap);
+#pragma GCC diagnostic pop
+ free(nfmt);
+ }
+ va_end(ap);
+ }
+}
+
+void
+log_warnx(const char *emsg, ...)
+{
+ va_list ap;
+
+ va_start(ap, emsg);
+ vlog(LOG_ERR, emsg, ap);
+ va_end(ap);
+}
+
+void
+log_info(const char *emsg, ...)
+{
+ va_list ap;
+
+ va_start(ap, emsg);
+ vlog(LOG_INFO, emsg, ap);
+ va_end(ap);
+}
+
+void
+log_notice(const char *emsg, ...)
+{
+ va_list ap;
+
+ va_start(ap, emsg);
+ vlog(LOG_NOTICE, emsg, ap);
+ va_end(ap);
+}
+
+void
+log_debug(const char *emsg, ...)
+{
+ va_list ap;
+
+ va_start(ap, emsg);
+ vlog(LOG_DEBUG, emsg, ap);
+ va_end(ap);
+}
+
+void
+fatal(const char *emsg)
+{
+ if (emsg == NULL)
+ logit(LOG_CRIT, "fatal in %s: %s", log_procname, strerror(errno));
+ else
+ if (errno)
+ logit(LOG_CRIT, "fatal in %s: %s: %s",
+ log_procname, emsg, strerror(errno));
+ else
+ logit(LOG_CRIT, "fatal in %s: %s", log_procname, emsg);
+
+ exit(1);
+}
+
+void
+fatalx(const char *emsg)
+{
+ errno = 0;
+ fatal(emsg);
+}