--- /dev/null
+/*
+ * 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.
+ */
+#include <err.h>
+#include <errno.h>
+#include <stdbool.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+#include <isc/buffer.h>
+#include <isc/mem.h>
+#include <isc/result.h>
+#include <isc/time.h>
+#include <isc/util.h>
+
+#include <dns/compress.h>
+#include <dns/fixedname.h>
+#include <dns/name.h>
+
+static void
+CHECKRESULT(isc_result_t result, const char *msg) {
+ if (result != ISC_R_SUCCESS) {
+ printf("%s: %s\n", msg, isc_result_totext(result));
+ exit(1);
+ }
+}
+
+int
+main(void) {
+ isc_result_t result;
+ isc_buffer_t buf;
+
+ isc_mem_t *mctx = NULL;
+ isc_mem_create(&mctx);
+
+ static dns_fixedname_t fixedname[65536];
+ unsigned int count = 0;
+
+ char *line = NULL;
+ size_t linecap = 0;
+ ssize_t linelen;
+ while ((linelen = getline(&line, &linecap, stdin)) > 0) {
+ if (line[linelen - 1] == '\n') {
+ line[--linelen] = '\0';
+ }
+ isc_buffer_init(&buf, line, linelen);
+ isc_buffer_add(&buf, linelen);
+
+ if (count == ARRAY_SIZE(fixedname)) {
+ errx(1, "too many names");
+ }
+ dns_name_t *name = dns_fixedname_initname(&fixedname[count++]);
+ result = dns_name_fromtext(name, &buf, dns_rootname, 0, NULL);
+ CHECKRESULT(result, line);
+ }
+
+ unsigned int repeat = 100;
+
+ isc_time_t start;
+ isc_time_now_hires(&start);
+
+ for (unsigned int n = 0; n < repeat; n++) {
+ static uint8_t wire[4 * 1024];
+ dns_compress_t cctx;
+
+ isc_buffer_init(&buf, wire, sizeof(wire));
+ dns_compress_init(&cctx, mctx, 0);
+
+ for (unsigned int i = 0; i < count; i++) {
+ dns_name_t *name = dns_fixedname_name(&fixedname[i]);
+ result = dns_name_towire(name, &cctx, &buf);
+ if (result == ISC_R_NOSPACE) {
+ dns_compress_invalidate(&cctx);
+ dns_compress_init(&cctx, mctx, 0);
+ isc_buffer_init(&buf, wire, sizeof(wire));
+ } else {
+ CHECKRESULT(result, "dns_name_towire");
+ }
+ }
+ dns_compress_invalidate(&cctx);
+ }
+
+ isc_time_t finish;
+ isc_time_now_hires(&finish);
+
+ uint64_t microseconds = isc_time_microdiff(&finish, &start);
+ printf("time %f / %u\n", (double)microseconds / 1000000.0, repeat);
+
+ printf("names %u\n", count);
+
+ isc_mem_destroy(&mctx);
+
+ return (0);
+}
--- /dev/null
+/*
+ * 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.
+ */
+#include <err.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <stdbool.h>
+#include <stdint.h>
+#include <stdlib.h>
+#include <sys/stat.h>
+#include <unistd.h>
+
+#include <isc/buffer.h>
+#include <isc/mem.h>
+#include <isc/result.h>
+#include <isc/time.h>
+
+#include <dns/message.h>
+
+static void
+CHECKRESULT(isc_result_t result, const char *msg) {
+ if (result != ISC_R_SUCCESS) {
+ printf("%s: %s\n", msg, isc_result_totext(result));
+ exit(1);
+ }
+}
+
+int
+main(int argc, char *argv[]) {
+ isc_result_t result;
+ ssize_t r;
+
+ isc_mem_t *mctx = NULL;
+ isc_mem_create(&mctx);
+
+ dns_message_t **message;
+ message = isc_mem_allocate(mctx, argc * sizeof(*message));
+
+ for (int i = 1; i < argc; i++) {
+ const char *filename = argv[i];
+
+ int fd = open(filename, O_RDONLY);
+ if (fd < 0)
+ err(1, "open(%s)", filename);
+
+ isc_buffer_t *filebuf = NULL;
+ isc_buffer_allocate(mctx, &filebuf, 64 * 1024);
+
+ struct stat st;
+ r = fstat(fd, &st);
+ if (r < 0)
+ err(1, "stat(%s)", filename);
+ if (st.st_size > isc_buffer_availablelength(filebuf))
+ errx(1, "%s is too large", filename);
+ unsigned int filelen = (unsigned int)st.st_size;
+
+ isc_buffer_reserve(&filebuf, filelen);
+ r = read(fd, isc_buffer_base(filebuf), filelen);
+ if (r < 0)
+ err(1, "read(%s)", filename);
+ if (st.st_size > r)
+ errx(1, "read(%s) truncated", filename);
+ isc_buffer_add(filebuf, filelen);
+ close(fd);
+
+ message[i] = NULL;
+ dns_message_create(mctx, DNS_MESSAGE_INTENTPARSE, &message[i]);
+
+ result = dns_message_parse(message[i], filebuf,
+ DNS_MESSAGEPARSE_PRESERVEORDER);
+ CHECKRESULT(result, "dns_message_parse()");
+ isc_buffer_free(&filebuf);
+
+ continue;
+
+ isc_buffer_t *printbuf = NULL;
+ isc_buffer_allocate(mctx, &printbuf, 1024 * 1024);
+
+ result = dns_message_totext(message[i], &dns_master_style_debug,
+ 0, printbuf);
+ CHECKRESULT(result, "dns_message_totext()");
+
+ r = write(1, isc_buffer_base(printbuf),
+ isc_buffer_usedlength(printbuf));
+ if (r < 0)
+ err(1, "write(%s)", filename);
+ isc_buffer_free(&printbuf);
+ }
+
+ isc_time_t start;
+ isc_time_now_hires(&start);
+
+ unsigned int count = 0;
+ int repeat = 100;
+ for (int n = 0; n < repeat; n++) {
+ for (int i = 1; i < argc; i++) {
+ isc_buffer_t *wirebuf = NULL;
+ isc_buffer_allocate(mctx, &wirebuf, 64 * 1024);
+
+ /* hacks! see wire_test.c */
+ message[i]->from_to_wire = DNS_MESSAGE_INTENTRENDER;
+ for (int s = 0; s < DNS_SECTION_MAX; s++) {
+ message[i]->counts[s] = 0;
+ }
+
+ dns_compress_t cctx;
+ dns_compress_init(&cctx, mctx, DNS_COMPRESS_LARGE);
+
+ result = dns_message_renderbegin(message[i], &cctx,
+ wirebuf);
+ CHECKRESULT(result, "dns_message_renderbegin()");
+ result = dns_message_rendersection(
+ message[i], DNS_SECTION_QUESTION, 0);
+ CHECKRESULT(result,
+ "dns_message_rendersection(QUESTION)");
+ result = dns_message_rendersection(
+ message[i], DNS_SECTION_ANSWER, 0);
+ CHECKRESULT(result,
+ "dns_message_rendersection(ANSWER)");
+ result = dns_message_rendersection(
+ message[i], DNS_SECTION_AUTHORITY, 0);
+ CHECKRESULT(result,
+ "dns_message_rendersection(AUTHORITY)");
+ result = dns_message_rendersection(
+ message[i], DNS_SECTION_ADDITIONAL, 0);
+ CHECKRESULT(result,
+ "dns_message_rendersection(ADDITIONAL)");
+ if (count < cctx.count)
+ count = cctx.count;
+
+ dns_message_renderend(message[i]);
+
+ dns_compress_invalidate(&cctx);
+ isc_buffer_free(&wirebuf);
+ }
+ }
+
+ isc_time_t finish;
+ isc_time_now_hires(&finish);
+ uint64_t microseconds = isc_time_microdiff(&finish, &start);
+ printf("time %f\n", (double)microseconds / (repeat * 1000000.0));
+ printf("count %u\n", count);
+
+ for (int i = 1; i < argc; i++) {
+ dns_message_detach(&message[i]);
+ }
+
+ isc_mem_free(mctx, message);
+ isc_mem_destroy(&mctx);
+
+ return (0);
+}