static void test_link_get(sd_netlink *rtnl, int ifindex) { sd_netlink_message *m; sd_netlink_message *r; uint32_t mtu = 1500; const char *str_data; uint8_t u8_data; uint32_t u32_data; struct ether_addr eth_data; assert_se(sd_rtnl_message_new_link(rtnl, &m, RTM_GETLINK, ifindex) >= 0); assert_se(m); /* u8 test cases */ assert_se(sd_netlink_message_append_u8(m, IFLA_CARRIER, 0) >= 0); assert_se(sd_netlink_message_append_u8(m, IFLA_OPERSTATE, 0) >= 0); assert_se(sd_netlink_message_append_u8(m, IFLA_LINKMODE, 0) >= 0); /* u32 test cases */ assert_se(sd_netlink_message_append_u32(m, IFLA_MTU, mtu) >= 0); assert_se(sd_netlink_message_append_u32(m, IFLA_GROUP, 0) >= 0); assert_se(sd_netlink_message_append_u32(m, IFLA_TXQLEN, 0) >= 0); assert_se(sd_netlink_message_append_u32(m, IFLA_NUM_TX_QUEUES, 0) >= 0); assert_se(sd_netlink_message_append_u32(m, IFLA_NUM_RX_QUEUES, 0) >= 0); assert_se(sd_netlink_call(rtnl, m, -1, &r) == 1); assert_se(sd_netlink_message_read_string(r, IFLA_IFNAME, &str_data) == 0); assert_se(sd_netlink_message_read_u8(r, IFLA_CARRIER, &u8_data) == 0); assert_se(sd_netlink_message_read_u8(r, IFLA_OPERSTATE, &u8_data) == 0); assert_se(sd_netlink_message_read_u8(r, IFLA_LINKMODE, &u8_data) == 0); assert_se(sd_netlink_message_read_u32(r, IFLA_MTU, &u32_data) == 0); assert_se(sd_netlink_message_read_u32(r, IFLA_GROUP, &u32_data) == 0); assert_se(sd_netlink_message_read_u32(r, IFLA_TXQLEN, &u32_data) == 0); assert_se(sd_netlink_message_read_u32(r, IFLA_NUM_TX_QUEUES, &u32_data) == 0); assert_se(sd_netlink_message_read_u32(r, IFLA_NUM_RX_QUEUES, &u32_data) == 0); assert_se(sd_netlink_message_read_ether_addr(r, IFLA_ADDRESS, ð_data) == 0); assert_se((m = sd_netlink_message_unref(m)) == NULL); assert_se((r = sd_netlink_message_unref(r)) == NULL); }
int link_update_rtnl(Link *l, sd_netlink_message *m) { const char *n = NULL; int r; assert(l); assert(m); r = sd_rtnl_message_link_get_flags(m, &l->flags); if (r < 0) return r; (void) sd_netlink_message_read_u32(m, IFLA_MTU, &l->mtu); (void) sd_netlink_message_read_u8(m, IFLA_OPERSTATE, &l->operstate); if (sd_netlink_message_read_string(m, IFLA_IFNAME, &n) >= 0) { strncpy(l->name, n, sizeof(l->name)-1); char_array_0(l->name); } link_allocate_scopes(l); link_add_rrs(l, false); return 0; }