platform: add network namespace support to platformth/platform-netns

Platform not only uses the netlink socket, but also sysfs, udev,
ethtool, mii. To properly support network namespaces, we must
switch the namespace as necessary. In case of udev, it is only
supported on the main namespace.

1 files changed, 44 insertions, 0 deletions

diff --git a/src/platform/tests/test-link.c b/src/platform/tests/test-link.c
index 3fa5ad5001..cc9a832a61 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-utils.h"
+#include "nm-platform-utils.h"
 
 #include "test-common.h"
 #include "nm-test-utils.h"
@@ -1846,6 +1848,46 @@ again:
 	nmtstp_link_del (-1, ifindex_dummy0, IFACE_DUMMY0);
 }
 
+/******************************************************************/
+
+static void
+test_netns_new (void)
+{
+	gs_unref_object NMPlatform *platform_1 = NULL;
+	gs_unref_object NMPlatform *platform_2 = NULL;
+	gs_unref_object NMPNetns *netns_2 = NULL;
+	char sbuf[100];
+
+	platform_1 = g_object_new (NM_TYPE_LINUX_PLATFORM, NULL);
+
+	netns_2 = nmp_netns_new ();
+	platform_2 = g_object_new (NM_TYPE_LINUX_PLATFORM, NULL);
+	nmp_netns_pop (netns_2);
+
+	g_assert_cmpint (nm_platform_link_dummy_add (platform_1, "dummy1_", NULL), ==, NM_PLATFORM_ERROR_SUCCESS);
+	g_assert_cmpint (nm_platform_link_dummy_add (platform_1, "dummy2a", NULL), ==, NM_PLATFORM_ERROR_SUCCESS);
+	g_assert_cmpint (nm_platform_link_dummy_add (platform_2, "dummy1_", NULL), ==, NM_PLATFORM_ERROR_SUCCESS);
+	g_assert_cmpint (nm_platform_link_dummy_add (platform_2, "dummy2b", NULL), ==, NM_PLATFORM_ERROR_SUCCESS);
+
+	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));
+
+	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 (nm_platform_netns_push (platform_2, NULL));
+
+	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));
+}
+
 /*****************************************************************************/
 
 void
@@ -1894,5 +1936,7 @@ 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_func ("/general/netns/new", test_netns_new);
 	}
 }