diff options
Diffstat (limited to 'tests/nlattr_tc_stats.c')
| -rw-r--r-- | tests/nlattr_tc_stats.c | 151 |
1 files changed, 151 insertions, 0 deletions
diff --git a/tests/nlattr_tc_stats.c b/tests/nlattr_tc_stats.c new file mode 100644 index 000000000..dd76cc7d1 --- /dev/null +++ b/tests/nlattr_tc_stats.c @@ -0,0 +1,151 @@ +/* + * Copyright (c) 2017 JingPiao Chen <chenjingpiao@gmail.com> + * Copyright (c) 2017 The strace developers. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include "tests.h" + +#ifdef HAVE_STRUCT_GNET_STATS_BASIC + +# include <stdio.h> +# include <stddef.h> +# include "test_nlattr.h" +# include <linux/gen_stats.h> +# include <linux/rtnetlink.h> + +const unsigned int hdrlen = sizeof(struct tcmsg); + +static void +init_tcmsg(struct nlmsghdr *const nlh, const unsigned int msg_len) +{ + SET_STRUCT(struct nlmsghdr, nlh, + .nlmsg_len = msg_len, + .nlmsg_type = RTM_GETQDISC, + .nlmsg_flags = NLM_F_DUMP + ); + + struct tcmsg *const msg = NLMSG_DATA(nlh); + SET_STRUCT(struct tcmsg, msg, + .tcm_family = AF_UNIX, + .tcm_ifindex = ifindex_lo() + ); + + struct nlattr *const nla = NLMSG_ATTR(nlh, sizeof(*msg)); + SET_STRUCT(struct nlattr, nla, + .nla_len = msg_len - NLMSG_SPACE(hdrlen), + .nla_type = TCA_STATS2 + ); +} + +static void +print_tcmsg(const unsigned int msg_len) +{ + printf("{len=%u, type=RTM_GETQDISC, flags=NLM_F_DUMP" + ", seq=0, pid=0}, {tcm_family=AF_UNIX" + ", tcm_ifindex=" IFINDEX_LO_STR + ", tcm_handle=0, tcm_parent=0, tcm_info=0}" + ", {{nla_len=%u, nla_type=TCA_STATS2}", + msg_len, msg_len - NLMSG_SPACE(hdrlen)); +} + +int +main(void) +{ + skip_if_unavailable("/proc/self/fd/"); + + const int fd = create_nl_socket(NETLINK_ROUTE); + void *nlh0 = tail_alloc(NLMSG_SPACE(hdrlen)); + + static char pattern[4096]; + fill_memory_ex(pattern, sizeof(pattern), 'a', 'z' - 'a' + 1); + + static const struct gnet_stats_basic sb = { + .bytes = 0xabcdebdafefeadeb, + .packets = 0xbdcdeabf + }; + char buf[offsetofend(struct gnet_stats_basic, packets)]; + memcpy(buf, &sb, sizeof(buf)); + TEST_NESTED_NLATTR_OBJECT(fd, nlh0, hdrlen, + init_tcmsg, print_tcmsg, + TCA_STATS_BASIC, pattern, buf, + PRINT_FIELD_U("{", sb, bytes); + PRINT_FIELD_U(", ", sb, packets); + printf("}")); + +#ifdef HAVE_STRUCT_GNET_STATS_RATE_EST + static const struct gnet_stats_rate_est est = { + .bps = 0xebcdaebd, + .pps = 0xabdceade, + }; + TEST_NESTED_NLATTR_OBJECT(fd, nlh0, hdrlen, + init_tcmsg, print_tcmsg, + TCA_STATS_RATE_EST, pattern, est, + PRINT_FIELD_U("{", est, bps); + PRINT_FIELD_U(", ", est, pps); + printf("}")); +#endif + +#ifdef HAVE_STRUCT_GNET_STATS_QUEUE + static const struct gnet_stats_queue qstats = { + .qlen = 0xabcdeabd, + .backlog = 0xbcdaebad, + .drops = 0xcdbeaedb, + .requeues = 0xdebaefab, + .overlimits = 0xefaebade + }; + TEST_NESTED_NLATTR_OBJECT(fd, nlh0, hdrlen, + init_tcmsg, print_tcmsg, + TCA_STATS_QUEUE, pattern, qstats, + PRINT_FIELD_U("{", qstats, qlen); + PRINT_FIELD_U(", ", qstats, backlog); + PRINT_FIELD_U(", ", qstats, drops); + PRINT_FIELD_U(", ", qstats, requeues); + PRINT_FIELD_U(", ", qstats, overlimits); + printf("}")); +#endif + +#ifdef HAVE_STRUCT_GNET_STATS_RATE_EST64 + static const struct gnet_stats_rate_est64 est64 = { + .bps = 0xacbdcdefafecaebf, + .pps = 0xcdabeabdfeabceaf + }; + TEST_NESTED_NLATTR_OBJECT(fd, nlh0, hdrlen, + init_tcmsg, print_tcmsg, + TCA_STATS_RATE_EST64, pattern, est64, + PRINT_FIELD_U("{", est64, bps); + PRINT_FIELD_U(", ", est64, pps); + printf("}")); +#endif + + puts("+++ exited with 0 +++"); + return 0; +} + +#else + +SKIP_MAIN_UNDEFINED("HAVE_STRUCT_GNET_STATS_BASIC") + +#endif |