Dmitry V. Levin
c6782f144a
strace test suite is now provided under the terms of the GNU General Public License version 2 or later, see tests/COPYING for more details.
132 lines
3.3 KiB
C
132 lines
3.3 KiB
C
/*
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* Copyright (c) 2017 JingPiao Chen <chenjingpiao@gmail.com>
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* Copyright (c) 2017-2018 The strace developers.
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* All rights reserved.
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*
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* SPDX-License-Identifier: GPL-2.0-or-later
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*/
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#include "tests.h"
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#ifdef HAVE_STRUCT_GNET_STATS_BASIC
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# include <stdio.h>
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# include <stddef.h>
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# include "test_nlattr.h"
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# include <linux/gen_stats.h>
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# include <linux/rtnetlink.h>
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const unsigned int hdrlen = sizeof(struct tcmsg);
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static void
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init_tcmsg(struct nlmsghdr *const nlh, const unsigned int msg_len)
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{
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SET_STRUCT(struct nlmsghdr, nlh,
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.nlmsg_len = msg_len,
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.nlmsg_type = RTM_GETQDISC,
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.nlmsg_flags = NLM_F_DUMP
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);
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struct tcmsg *const msg = NLMSG_DATA(nlh);
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SET_STRUCT(struct tcmsg, msg,
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.tcm_family = AF_UNIX,
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.tcm_ifindex = ifindex_lo()
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);
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struct nlattr *const nla = NLMSG_ATTR(nlh, sizeof(*msg));
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SET_STRUCT(struct nlattr, nla,
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.nla_len = msg_len - NLMSG_SPACE(hdrlen),
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.nla_type = TCA_STATS2
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);
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}
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static void
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print_tcmsg(const unsigned int msg_len)
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{
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printf("{len=%u, type=RTM_GETQDISC, flags=NLM_F_DUMP"
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", seq=0, pid=0}, {tcm_family=AF_UNIX"
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", tcm_ifindex=" IFINDEX_LO_STR
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", tcm_handle=0, tcm_parent=0, tcm_info=0}"
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", {{nla_len=%u, nla_type=TCA_STATS2}",
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msg_len, msg_len - NLMSG_SPACE(hdrlen));
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}
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int
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main(void)
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{
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skip_if_unavailable("/proc/self/fd/");
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const int fd = create_nl_socket(NETLINK_ROUTE);
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void *nlh0 = midtail_alloc(NLMSG_SPACE(hdrlen), NLA_HDRLEN + 8 * 5);
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static char pattern[4096];
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fill_memory_ex(pattern, sizeof(pattern), 'a', 'z' - 'a' + 1);
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static const struct gnet_stats_basic sb = {
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.bytes = 0xabcdebdafefeadeb,
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.packets = 0xbdcdeabf
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};
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char buf[offsetofend(struct gnet_stats_basic, packets)];
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memcpy(buf, &sb, sizeof(buf));
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TEST_NESTED_NLATTR_OBJECT(fd, nlh0, hdrlen,
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init_tcmsg, print_tcmsg,
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TCA_STATS_BASIC, pattern, buf,
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PRINT_FIELD_U("{", sb, bytes);
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PRINT_FIELD_U(", ", sb, packets);
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printf("}"));
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#ifdef HAVE_STRUCT_GNET_STATS_RATE_EST
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static const struct gnet_stats_rate_est est = {
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.bps = 0xebcdaebd,
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.pps = 0xabdceade,
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};
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TEST_NESTED_NLATTR_OBJECT(fd, nlh0, hdrlen,
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init_tcmsg, print_tcmsg,
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TCA_STATS_RATE_EST, pattern, est,
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PRINT_FIELD_U("{", est, bps);
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PRINT_FIELD_U(", ", est, pps);
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printf("}"));
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#endif
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#ifdef HAVE_STRUCT_GNET_STATS_QUEUE
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static const struct gnet_stats_queue qstats = {
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.qlen = 0xabcdeabd,
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.backlog = 0xbcdaebad,
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.drops = 0xcdbeaedb,
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.requeues = 0xdebaefab,
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.overlimits = 0xefaebade
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};
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TEST_NESTED_NLATTR_OBJECT(fd, nlh0, hdrlen,
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init_tcmsg, print_tcmsg,
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TCA_STATS_QUEUE, pattern, qstats,
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PRINT_FIELD_U("{", qstats, qlen);
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PRINT_FIELD_U(", ", qstats, backlog);
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PRINT_FIELD_U(", ", qstats, drops);
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PRINT_FIELD_U(", ", qstats, requeues);
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PRINT_FIELD_U(", ", qstats, overlimits);
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printf("}"));
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#endif
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#ifdef HAVE_STRUCT_GNET_STATS_RATE_EST64
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static const struct gnet_stats_rate_est64 est64 = {
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.bps = 0xacbdcdefafecaebf,
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.pps = 0xcdabeabdfeabceaf
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};
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TEST_NESTED_NLATTR_OBJECT(fd, nlh0, hdrlen,
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init_tcmsg, print_tcmsg,
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TCA_STATS_RATE_EST64, pattern, est64,
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PRINT_FIELD_U("{", est64, bps);
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PRINT_FIELD_U(", ", est64, pps);
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printf("}"));
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#endif
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puts("+++ exited with 0 +++");
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return 0;
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}
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#else
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SKIP_MAIN_UNDEFINED("HAVE_STRUCT_GNET_STATS_BASIC")
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#endif
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