Revert "add mDNS lookup method to libosmo-mslookup"

This reverts commit f10463c5fc6d9e786ab7c648d99f7450f9a25906, as it
causes all OBS osmo-hlr builds to fail in the mslookup_client_mdns test.

Change-Id: I5aec5b59f304c7f732c4a31131beedf29c966d9d

1 files changed, 0 insertions, 220 deletions

diff --git a/tests/mslookup/mslookup_client_mdns_test.c b/tests/mslookup/mslookup_client_mdns_test.c
deleted file mode 100644
index 6091e3c..0000000
--- a/tests/mslookup/mslookup_client_mdns_test.c
+++ /dev/null
@@ -1,220 +0,0 @@
-/* Copyright 2019 by sysmocom s.f.m.c. GmbH <info@sysmocom.de>
- *
- * All Rights Reserved
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as published by
- * the Free Software Foundation; either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- *
- */
-
-#include <stdbool.h>
-#include <string.h>
-#include <unistd.h>
-#include <osmocom/core/select.h>
-#include <osmocom/core/application.h>
-#include <osmocom/hlr/logging.h>
-#include <osmocom/mslookup/mslookup.h>
-#include <osmocom/mslookup/mslookup_client.h>
-#include <osmocom/mslookup/mslookup_client_mdns.h>
-#include <osmocom/mslookup/mdns.h>
-#include <osmocom/mslookup/mdns_sock.h>
-
-void *ctx = NULL;
-
-#define TEST_IP OSMO_MSLOOKUP_MDNS_IP4
-#define TEST_PORT OSMO_MSLOOKUP_MDNS_PORT
-#define TEST_DOMAIN_SUFFIX "mslookup_client_mdns_test.dgsm.osmocom.org"
-
-/*
- * Test server (emulates the mDNS server in OsmoHLR) and client
- */
-struct osmo_mdns_sock *server_mc;
-
-
-static void server_reply(struct osmo_mslookup_query *query, uint16_t packet_id)
-{
-	struct osmo_mslookup_result result = {0};
-	struct msgb *msg;
-
-	result.rc = OSMO_MSLOOKUP_RC_RESULT;
-	result.age = 3;
-	osmo_sockaddr_str_from_str(&result.host_v4, "42.42.42.42", 444);
-	osmo_sockaddr_str_from_str(&result.host_v6, "1122:3344:5566:7788:99aa:bbcc:ddee:ff00", 666);
-
-	msg = osmo_mdns_result_encode(ctx, packet_id, query, &result, TEST_DOMAIN_SUFFIX);
-	OSMO_ASSERT(msg);
-	OSMO_ASSERT(osmo_mdns_sock_send(server_mc, msg) == 0);
-}
-
-static int server_recv(struct osmo_fd *osmo_fd, unsigned int what)
-{
-	int n;
-	uint8_t buffer[1024];
-	uint16_t packet_id;
-	struct osmo_mslookup_query *query;
-
-	fprintf(stderr, "%s\n", __func__);
-
-	/* Parse the message and print it */
-	n = read(osmo_fd->fd, buffer, sizeof(buffer));
-	OSMO_ASSERT(n >= 0);
-
-	query = osmo_mdns_query_decode(ctx, buffer, n, &packet_id, TEST_DOMAIN_SUFFIX);
-	if (!query)
-		return -1; /* server receiving own answer is expected */
-
-	fprintf(stderr, "received request\n");
-	server_reply(query, packet_id);
-	talloc_free(query);
-	return n;
-}
-
-static void server_init()
-{
-	fprintf(stderr, "%s\n", __func__);
-	server_mc = osmo_mdns_sock_init(ctx, TEST_IP, TEST_PORT, server_recv, NULL, 0);
-	OSMO_ASSERT(server_mc);
-}
-
-static void server_stop()
-{
-	fprintf(stderr, "%s\n", __func__);
-	OSMO_ASSERT(server_mc);
-	osmo_mdns_sock_cleanup(server_mc);
-	server_mc = NULL;
-}
-
-struct osmo_mslookup_client* client;
-struct osmo_mslookup_client_method* client_method;
-
-static void client_init()
-{
-	fprintf(stderr, "%s\n", __func__);
-	client = osmo_mslookup_client_new(ctx);
-	OSMO_ASSERT(client);
-	client_method = osmo_mslookup_client_add_mdns(client, TEST_IP, TEST_PORT, 1337, TEST_DOMAIN_SUFFIX);
-	OSMO_ASSERT(client_method);
-}
-
-static void client_recv(struct osmo_mslookup_client *client, uint32_t request_handle,
-			const struct osmo_mslookup_query *query, const struct osmo_mslookup_result *result)
-{
-	char buf[256];
-	fprintf(stderr, "%s\n", __func__);
-	fprintf(stderr, "client_recv(): %s\n", osmo_mslookup_result_name_b(buf, sizeof(buf), query, result));
-
-	osmo_mslookup_client_request_cancel(client, request_handle);
-}
-
-static void client_query()
-{
-	struct osmo_mslookup_id id = {.type = OSMO_MSLOOKUP_ID_IMSI,
-				      .imsi = "123456789012345"};
-	const struct osmo_mslookup_query query = {
-		.service = "gsup.hlr",
-		.id = id,
-	};
-	struct osmo_mslookup_query_handling handling = {
-		.result_timeout_milliseconds = 2000,
-		.result_cb = client_recv,
-	};
-
-	fprintf(stderr, "%s\n", __func__);
-	osmo_mslookup_client_request(client, &query, &handling);
-}
-
-static void client_stop()
-{
-	fprintf(stderr, "%s\n", __func__);
-	osmo_mslookup_client_free(client);
-	client = NULL;
-}
-const struct timeval fake_time_start_time = { 0, 0 };
-
-#define fake_time_passes(secs, usecs) do \
-{ \
-	struct timeval diff; \
-	osmo_gettimeofday_override_add(secs, usecs); \
-	osmo_clock_override_add(CLOCK_MONOTONIC, secs, usecs * 1000); \
-	timersub(&osmo_gettimeofday_override_time, &fake_time_start_time, &diff); \
-	LOGP(DMSLOOKUP, LOGL_DEBUG, "Total time passed: %d.%06d s\n", \
-	       (int)diff.tv_sec, (int)diff.tv_usec); \
-	osmo_timers_prepare(); \
-	osmo_timers_update(); \
-} while (0)
-
-static void fake_time_start()
-{
-	struct timespec *clock_override;
-
-	osmo_gettimeofday_override_time = fake_time_start_time;
-	osmo_gettimeofday_override = true;
-	clock_override = osmo_clock_override_gettimespec(CLOCK_MONOTONIC);
-	OSMO_ASSERT(clock_override);
-	clock_override->tv_sec = fake_time_start_time.tv_sec;
-	clock_override->tv_nsec = fake_time_start_time.tv_usec * 1000;
-	osmo_clock_override_enable(CLOCK_MONOTONIC, true);
-	fake_time_passes(0, 0);
-}
-static void test_server_client()
-{
-	fprintf(stderr, "-- %s --\n", __func__);
-	server_init();
-	client_init();
-	client_query();
-
-	/* Let the server receive the query and indirectly call server_recv(). As side effect of using the same IP and
-	 * port, the client will also receive its own question. The client will dismiss its own question, as it is just
-	 * looking for answers. */
-	OSMO_ASSERT(osmo_select_main_ctx(1) == 1);
-
-	/* Let the mslookup client receive the answer (also same side effect as above). It does not call the callback
-         * (client_recv()) just yet, because it is waiting for the best result within two seconds. */
-	OSMO_ASSERT(osmo_select_main_ctx(1) == 1);
-
-	/* Time flies by, client_recv() gets called. */
-	fake_time_passes(5, 0);
-
-	server_stop();
-	client_stop();
-}
-
-/*
- * Run all tests
- */
-int main()
-{
-	talloc_enable_null_tracking();
-	ctx = talloc_named_const(NULL, 0, "main");
-	osmo_init_logging2(ctx, NULL);
-
-	log_set_print_filename(osmo_stderr_target, 0);
-	log_set_print_level(osmo_stderr_target, 0);
-	log_set_print_category(osmo_stderr_target, 0);
-	log_set_print_category_hex(osmo_stderr_target, 0);
-	log_set_use_color(osmo_stderr_target, 0);
-	log_set_category_filter(osmo_stderr_target, DMSLOOKUP, true, LOGL_DEBUG);
-
-	fake_time_start();
-
-	test_server_client();
-
-	log_fini();
-
-	OSMO_ASSERT(talloc_total_blocks(ctx) == 1);
-	talloc_free(ctx);
-	OSMO_ASSERT(talloc_total_blocks(NULL) == 1);
-	talloc_disable_null_tracking();
-
-	return 0;
-}