New upstream version 1.29.90 upstream/1.29.90

1 files changed, 259 insertions, 0 deletions

diff --git a/src/core/devices/tests/test-acd.c b/src/core/devices/tests/test-acd.c
new file mode 100644
index 00000000..b0af59db
--- /dev/null
+++ b/src/core/devices/tests/test-acd.c
@@ -0,0 +1,259 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ * Copyright (C) 2015 Red Hat, Inc.
+ */
+
+#include "src/core/nm-default-daemon.h"
+
+#include "n-acd/src/n-acd.h"
+
+#include <linux/if_ether.h>
+
+#include "devices/nm-acd-manager.h"
+#include "platform/tests/test-common.h"
+
+#define IFACE_VETH0 "nm-test-veth0"
+#define IFACE_VETH1 "nm-test-veth1"
+
+#define ADDR1 0x01010101
+#define ADDR2 0x02020202
+#define ADDR3 0x03030303
+#define ADDR4 0x04040404
+
+/*****************************************************************************/
+
+static gboolean
+_skip_acd_test_check(void)
+{
+    NAcd *       acd;
+    NAcdConfig * config;
+    const guint8 hwaddr[ETH_ALEN] = {0x01, 0x02, 0x03, 0x04, 0x05, 0x06};
+    int          r;
+    static int   skip = -1;
+
+    if (skip == -1) {
+        r = n_acd_config_new(&config);
+        g_assert(r == 0);
+
+        n_acd_config_set_ifindex(config, 1);
+        n_acd_config_set_transport(config, N_ACD_TRANSPORT_ETHERNET);
+        n_acd_config_set_mac(config, hwaddr, sizeof(hwaddr));
+
+        r = n_acd_new(&acd, config);
+        n_acd_config_free(config);
+        if (r == 0)
+            n_acd_unref(acd);
+
+        skip = (r != 0);
+    }
+    return skip;
+}
+
+#define _skip_acd_test()                                               \
+    ({                                                                 \
+        gboolean _skip = _skip_acd_test_check();                       \
+                                                                       \
+        if (_skip)                                                     \
+            g_test_skip("Cannot create NAcd. Running under valgind?"); \
+        _skip;                                                         \
+    })
+
+/*****************************************************************************/
+
+typedef struct {
+    int           ifindex0;
+    int           ifindex1;
+    const guint8 *hwaddr0;
+    const guint8 *hwaddr1;
+    size_t        hwaddr0_len;
+    size_t        hwaddr1_len;
+} test_fixture;
+
+static void
+fixture_setup(test_fixture *fixture, gconstpointer user_data)
+{
+    /* create veth pair. */
+    fixture->ifindex0 =
+        nmtstp_link_veth_add(NM_PLATFORM_GET, -1, IFACE_VETH0, IFACE_VETH1)->ifindex;
+    fixture->ifindex1 =
+        nmtstp_link_get_typed(NM_PLATFORM_GET, -1, IFACE_VETH1, NM_LINK_TYPE_VETH)->ifindex;
+
+    g_assert(nm_platform_link_set_up(NM_PLATFORM_GET, fixture->ifindex0, NULL));
+    g_assert(nm_platform_link_set_up(NM_PLATFORM_GET, fixture->ifindex1, NULL));
+
+    fixture->hwaddr0 =
+        nm_platform_link_get_address(NM_PLATFORM_GET, fixture->ifindex0, &fixture->hwaddr0_len);
+    fixture->hwaddr1 =
+        nm_platform_link_get_address(NM_PLATFORM_GET, fixture->ifindex1, &fixture->hwaddr1_len);
+}
+
+typedef struct {
+    in_addr_t addresses[8];
+    in_addr_t peer_addresses[8];
+    gboolean  expected_result[8];
+} TestInfo;
+
+static void
+acd_manager_probe_terminated(NMAcdManager *acd_manager, gpointer user_data)
+{
+    g_main_loop_quit(user_data);
+}
+
+static void
+test_acd_common(test_fixture *fixture, TestInfo *info)
+{
+    nm_auto_free_acdmgr NMAcdManager *manager = NULL;
+    nm_auto_unref_gmainloop GMainLoop *loop   = NULL;
+    int                                i;
+    const guint                        WAIT_TIME_OPTIMISTIC = 50;
+    guint                              wait_time;
+    static const NMAcdCallbacks        callbacks = {
+        .probe_terminated_callback = acd_manager_probe_terminated,
+        .user_data_destroy         = (GDestroyNotify) g_main_loop_unref,
+    };
+    int r;
+
+    if (_skip_acd_test())
+        return;
+
+    /* first, try with a short waittime. We hope that this is long enough
+     * to successfully complete the test. Only if that's not the case, we
+     * assume the computer is currently busy (high load) and we retry with
+     * a longer timeout. */
+    wait_time = WAIT_TIME_OPTIMISTIC;
+again:
+
+    nm_clear_pointer(&loop, g_main_loop_unref);
+    loop = g_main_loop_new(NULL, FALSE);
+
+    nm_clear_pointer(&manager, nm_acd_manager_free);
+    manager = nm_acd_manager_new(fixture->ifindex0,
+                                 fixture->hwaddr0,
+                                 fixture->hwaddr0_len,
+                                 &callbacks,
+                                 g_main_loop_ref(loop));
+    g_assert(manager != NULL);
+
+    for (i = 0; info->addresses[i]; i++)
+        g_assert(nm_acd_manager_add_address(manager, info->addresses[i]));
+
+    for (i = 0; info->peer_addresses[i]; i++) {
+        nmtstp_ip4_address_add(NULL,
+                               FALSE,
+                               fixture->ifindex1,
+                               info->peer_addresses[i],
+                               24,
+                               0,
+                               3600,
+                               1800,
+                               0,
+                               NULL);
+    }
+
+    r = nm_acd_manager_start_probe(manager, wait_time);
+    g_assert_cmpint(r, ==, 0);
+
+    g_assert(nmtst_main_loop_run(loop, 2000));
+
+    for (i = 0; info->addresses[i]; i++) {
+        gboolean val;
+        char     sbuf[NM_UTILS_INET_ADDRSTRLEN];
+
+        val = nm_acd_manager_check_address(manager, info->addresses[i]);
+        if (val == info->expected_result[i])
+            continue;
+
+        if (wait_time == WAIT_TIME_OPTIMISTIC) {
+            /* probably we just had a glitch and the system took longer than
+             * expected. Re-verify with a large timeout this time. */
+            wait_time = 1000;
+            goto again;
+        }
+
+        g_error("expected check for address #%d (%s) to %s, but it didn't",
+                i,
+                _nm_utils_inet4_ntop(info->addresses[i], sbuf),
+                info->expected_result[i] ? "detect no duplicated" : "detect a duplicate");
+    }
+}
+
+static void
+test_acd_probe_1(test_fixture *fixture, gconstpointer user_data)
+{
+    TestInfo info = {.addresses       = {ADDR1, ADDR2, ADDR3},
+                     .peer_addresses  = {ADDR4},
+                     .expected_result = {TRUE, TRUE, TRUE}};
+
+    test_acd_common(fixture, &info);
+}
+
+static void
+test_acd_probe_2(test_fixture *fixture, gconstpointer user_data)
+{
+    TestInfo info = {.addresses       = {ADDR1, ADDR2, ADDR3, ADDR4},
+                     .peer_addresses  = {ADDR3, ADDR2},
+                     .expected_result = {TRUE, FALSE, FALSE, TRUE}};
+
+    test_acd_common(fixture, &info);
+}
+
+static void
+test_acd_announce(test_fixture *fixture, gconstpointer user_data)
+{
+    nm_auto_free_acdmgr NMAcdManager *manager = NULL;
+    nm_auto_unref_gmainloop GMainLoop *loop   = NULL;
+    int                                r;
+
+    if (_skip_acd_test())
+        return;
+
+    manager =
+        nm_acd_manager_new(fixture->ifindex0, fixture->hwaddr0, fixture->hwaddr0_len, NULL, NULL);
+    g_assert(manager != NULL);
+
+    g_assert(nm_acd_manager_add_address(manager, ADDR1));
+    g_assert(nm_acd_manager_add_address(manager, ADDR2));
+
+    loop = g_main_loop_new(NULL, FALSE);
+    r    = nm_acd_manager_announce_addresses(manager);
+    g_assert_cmpint(r, ==, 0);
+    g_assert(!nmtst_main_loop_run(loop, 200));
+}
+
+static void
+fixture_teardown(test_fixture *fixture, gconstpointer user_data)
+{
+    nm_platform_link_delete(NM_PLATFORM_GET, fixture->ifindex0);
+    nm_platform_link_delete(NM_PLATFORM_GET, fixture->ifindex1);
+}
+
+NMTstpSetupFunc const _nmtstp_setup_platform_func = nm_linux_platform_setup;
+
+void
+_nmtstp_init_tests(int *argc, char ***argv)
+{
+    nmtst_init_with_logging(argc, argv, NULL, "ALL");
+}
+
+void
+_nmtstp_setup_tests(void)
+{
+    g_test_add("/acd/probe/1",
+               test_fixture,
+               NULL,
+               fixture_setup,
+               test_acd_probe_1,
+               fixture_teardown);
+    g_test_add("/acd/probe/2",
+               test_fixture,
+               NULL,
+               fixture_setup,
+               test_acd_probe_2,
+               fixture_teardown);
+    g_test_add("/acd/announce",
+               test_fixture,
+               NULL,
+               fixture_setup,
+               test_acd_announce,
+               fixture_teardown);
+}