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-rw-r--r--lib/dns/callbacks.c107
1 files changed, 107 insertions, 0 deletions
diff --git a/lib/dns/callbacks.c b/lib/dns/callbacks.c
new file mode 100644
index 0000000..5200b72
--- /dev/null
+++ b/lib/dns/callbacks.c
@@ -0,0 +1,107 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+/*! \file */
+
+#include <isc/print.h>
+#include <isc/util.h>
+
+#include <dns/callbacks.h>
+#include <dns/log.h>
+
+static void
+stdio_error_warn_callback(dns_rdatacallbacks_t *, const char *, ...)
+ ISC_FORMAT_PRINTF(2, 3);
+
+static void
+isclog_error_callback(dns_rdatacallbacks_t *callbacks, const char *fmt, ...)
+ ISC_FORMAT_PRINTF(2, 3);
+
+static void
+isclog_warn_callback(dns_rdatacallbacks_t *callbacks, const char *fmt, ...)
+ ISC_FORMAT_PRINTF(2, 3);
+
+/*
+ * Private
+ */
+
+static void
+stdio_error_warn_callback(dns_rdatacallbacks_t *callbacks, const char *fmt,
+ ...) {
+ va_list ap;
+
+ UNUSED(callbacks);
+
+ va_start(ap, fmt);
+ vfprintf(stderr, fmt, ap);
+ va_end(ap);
+ fprintf(stderr, "\n");
+}
+
+static void
+isclog_error_callback(dns_rdatacallbacks_t *callbacks, const char *fmt, ...) {
+ va_list ap;
+
+ UNUSED(callbacks);
+
+ va_start(ap, fmt);
+ isc_log_vwrite(dns_lctx, DNS_LOGCATEGORY_GENERAL,
+ DNS_LOGMODULE_MASTER, /* XXX */
+ ISC_LOG_ERROR, fmt, ap);
+ va_end(ap);
+}
+
+static void
+isclog_warn_callback(dns_rdatacallbacks_t *callbacks, const char *fmt, ...) {
+ va_list ap;
+
+ UNUSED(callbacks);
+
+ va_start(ap, fmt);
+
+ isc_log_vwrite(dns_lctx, DNS_LOGCATEGORY_GENERAL,
+ DNS_LOGMODULE_MASTER, /* XXX */
+ ISC_LOG_WARNING, fmt, ap);
+ va_end(ap);
+}
+
+static void
+dns_rdatacallbacks_initcommon(dns_rdatacallbacks_t *callbacks) {
+ REQUIRE(callbacks != NULL);
+
+ callbacks->magic = DNS_CALLBACK_MAGIC;
+ callbacks->add = NULL;
+ callbacks->rawdata = NULL;
+ callbacks->zone = NULL;
+ callbacks->add_private = NULL;
+ callbacks->error_private = NULL;
+ callbacks->warn_private = NULL;
+}
+
+/*
+ * Public.
+ */
+
+void
+dns_rdatacallbacks_init(dns_rdatacallbacks_t *callbacks) {
+ dns_rdatacallbacks_initcommon(callbacks);
+ callbacks->error = isclog_error_callback;
+ callbacks->warn = isclog_warn_callback;
+}
+
+void
+dns_rdatacallbacks_init_stdio(dns_rdatacallbacks_t *callbacks) {
+ dns_rdatacallbacks_initcommon(callbacks);
+ callbacks->error = stdio_error_warn_callback;
+ callbacks->warn = stdio_error_warn_callback;
+}