diff options
Diffstat (limited to 'src/platform/tests/test-link.c')
| -rw-r--r-- | src/platform/tests/test-link.c | 136 |
1 files changed, 136 insertions, 0 deletions
diff --git a/src/platform/tests/test-link.c b/src/platform/tests/test-link.c index 3fa5ad5001..c136bbc640 100644 --- a/src/platform/tests/test-link.c +++ b/src/platform/tests/test-link.c @@ -23,6 +23,8 @@ #include <sched.h> #include "nmp-object.h" +#include "nmp-netns.h" +#include "nm-platform-utils.h" #include "test-common.h" #include "nm-test-utils.h" @@ -1846,6 +1848,138 @@ again: nmtstp_link_del (-1, ifindex_dummy0, IFACE_DUMMY0); } +/******************************************************************/ + +static void +test_netns_general_setup (gpointer fixture, gconstpointer test_data) +{ + /* the singleton platform instance has netns support disabled. + * Destroy the instance before the test and re-create it afterwards. */ + g_object_unref (nm_platform_get ()); +} + +static void +test_netns_general_teardown (gpointer fixture, gconstpointer test_data) +{ + /* re-create platform instance */ + SETUP (); +} + +static void +test_netns_general (gpointer fixture, gconstpointer test_data) +{ + gs_unref_object NMPlatform *platform_1 = NULL; + gs_unref_object NMPlatform *platform_2 = NULL; + gs_unref_object NMPNetns *netns_2 = NULL; + NMPNetns *netns_tmp; + char sbuf[100]; + int i, j, k, errsv; + gboolean ethtool_support; + + netns_tmp = nmp_netns_get_current (); + if (!netns_tmp) { + g_test_skip ("No netns support"); + return; + } + + g_assert (nmp_netns_get_fd_net (netns_tmp) > 0); + if (setns (nmp_netns_get_fd_net (netns_tmp), CLONE_NEWNET) != 0) { + errsv = errno; + _LOGD ("setns() failed with \"%s\". This indicates missing support (valgrind?)", g_strerror (errsv)); + g_test_skip ("No netns support (setns failed)"); + return; + } + + platform_1 = g_object_new (NM_TYPE_LINUX_PLATFORM, NM_PLATFORM_NETNS_SUPPORT, TRUE, NULL); + + netns_2 = nmp_netns_new (); + platform_2 = g_object_new (NM_TYPE_LINUX_PLATFORM, NM_PLATFORM_NETNS_SUPPORT, TRUE, NULL); + nmp_netns_pop (netns_2); + + /* add some dummy devices. The "other-*" devices are there to bump the ifindex */ + for (k = 0; k < 2; k++) { + NMPlatform *p = (k == 0 ? platform_1 : platform_2); + const char *id = (k == 0 ? "a" : "b"); + +#define _ADD_DUMMY(platform, name) \ + g_assert_cmpint (nm_platform_link_dummy_add ((platform), (name), NULL), ==, NM_PLATFORM_ERROR_SUCCESS) + + for (i = 0, j = nmtst_get_rand_int () % 5; i < j; i++) + _ADD_DUMMY (p, nm_sprintf_buf (sbuf, "other-a-%s-%02d", id, i)); + + _ADD_DUMMY (p, "dummy1_"); + + for (i = 0, j = nmtst_get_rand_int () % 5; i < j; i++) + _ADD_DUMMY (p, nm_sprintf_buf (sbuf, "other-b-%s-%02d", id, i)); + + _ADD_DUMMY (p, nm_sprintf_buf (sbuf, "dummy2%s", id)); + + for (i = 0, j = nmtst_get_rand_int () % 5; i < j; i++) + _ADD_DUMMY (p, nm_sprintf_buf (sbuf, "other-c-%s-%02d", id, i)); + +#undef _ADD_DUMMY + } + + g_assert_cmpstr (nm_platform_sysctl_get (platform_1, "/sys/devices/virtual/net/dummy1_/ifindex"), ==, nm_sprintf_buf (sbuf, "%d", nm_platform_link_get_by_ifname (platform_1, "dummy1_")->ifindex)); + g_assert_cmpstr (nm_platform_sysctl_get (platform_1, "/sys/devices/virtual/net/dummy2a/ifindex"), ==, nm_sprintf_buf (sbuf, "%d", nm_platform_link_get_by_ifname (platform_1, "dummy2a")->ifindex)); + g_assert_cmpstr (nm_platform_sysctl_get (platform_1, "/sys/devices/virtual/net/dummy2b/ifindex"), ==, NULL); + + g_assert_cmpstr (nm_platform_sysctl_get (platform_2, "/sys/devices/virtual/net/dummy1_/ifindex"), ==, nm_sprintf_buf (sbuf, "%d", nm_platform_link_get_by_ifname (platform_2, "dummy1_")->ifindex)); + g_assert_cmpstr (nm_platform_sysctl_get (platform_2, "/sys/devices/virtual/net/dummy2a/ifindex"), ==, NULL); + g_assert_cmpstr (nm_platform_sysctl_get (platform_2, "/sys/devices/virtual/net/dummy2b/ifindex"), ==, nm_sprintf_buf (sbuf, "%d", nm_platform_link_get_by_ifname (platform_2, "dummy2b")->ifindex)); + + for (i = 0; i < 10; i++) { + NMPlatform *pl; + const char *path; + + j = nmtst_get_rand_int () % 2; + + if (nmtst_get_rand_int () % 2) { + pl = platform_1; + if (nmtst_get_rand_int () % 2) + path = "/proc/sys/net/ipv6/conf/dummy1_/disable_ipv6"; + else + path = "/proc/sys/net/ipv6/conf/dummy2a/disable_ipv6"; + } else { + pl = platform_2; + if (nmtst_get_rand_int () % 2) + path = "/proc/sys/net/ipv6/conf/dummy1_/disable_ipv6"; + else + path = "/proc/sys/net/ipv6/conf/dummy2b/disable_ipv6"; + } + g_assert (nm_platform_sysctl_set (pl, path, nm_sprintf_buf (sbuf, "%d", j))); + g_assert_cmpstr (nm_platform_sysctl_get (pl, path), ==, nm_sprintf_buf (sbuf, "%d", j)); + } + g_assert_cmpstr (nm_platform_sysctl_get (platform_1, "/proc/sys/net/ipv6/conf/dummy2b/disable_ipv6"), ==, NULL); + g_assert_cmpstr (nm_platform_sysctl_get (platform_2, "/proc/sys/net/ipv6/conf/dummy2a/disable_ipv6"), ==, NULL); + + /* older kernels (Ubuntu 12.04) don't support ethtool -i for dummy devices. Work around that and + * skip asserts that are known to fail. */ + ethtool_support = nmtstp_run_command ("ethtool -i dummy1_ > /dev/null") == 0; + if (ethtool_support) { + g_assert ( nmp_utils_ethtool_get_driver_info ("dummy1_", NULL, NULL, NULL)); + g_assert ( nmp_utils_ethtool_get_driver_info ("dummy2a", NULL, NULL, NULL)); + g_assert (!nmp_utils_ethtool_get_driver_info ("dummy2b", NULL, NULL, NULL)); + g_assert_cmpint (nmtstp_run_command ("ethtool -i dummy1_ > /dev/null"), ==, 0); + g_assert_cmpint (nmtstp_run_command ("ethtool -i dummy2a > /dev/null"), ==, 0); + g_assert_cmpint (nmtstp_run_command ("ethtool -i dummy2b 2> /dev/null"), !=, 0); + } + + g_assert (nm_platform_netns_push (platform_2, &netns_tmp)); + g_assert (netns_tmp == netns_2); + + if (ethtool_support) { + g_assert ( nmp_utils_ethtool_get_driver_info ("dummy1_", NULL, NULL, NULL)); + g_assert (!nmp_utils_ethtool_get_driver_info ("dummy2a", NULL, NULL, NULL)); + g_assert ( nmp_utils_ethtool_get_driver_info ("dummy2b", NULL, NULL, NULL)); + g_assert_cmpint (nmtstp_run_command ("ethtool -i dummy1_ > /dev/null"), ==, 0); + g_assert_cmpint (nmtstp_run_command ("ethtool -i dummy2a 2> /dev/null"), !=, 0); + g_assert_cmpint (nmtstp_run_command ("ethtool -i dummy2b > /dev/null"), ==, 0); + } + + nmp_netns_pop (netns_tmp); +} + /*****************************************************************************/ void @@ -1894,5 +2028,7 @@ setup_tests (void) g_test_add_func ("/link/nl-bugs/veth", test_nl_bugs_veth); g_test_add_func ("/link/nl-bugs/spurious-newlink", test_nl_bugs_spuroius_newlink); g_test_add_func ("/link/nl-bugs/spurious-dellink", test_nl_bugs_spuroius_dellink); + + g_test_add_vtable ("/general/netns/general", 0, NULL, test_netns_general_setup, test_netns_general, test_netns_general_teardown); } } |