/*

 * 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/log.h>

#include <isc/util.h>

#include <dns/callbacks.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_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_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 = (dns_rdatacallbacks_t){

    .magic = DNS_CALLBACK_MAGIC,

  };

}

/*

 * 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;

}