int
main(void)
{
skip_if_unavailable("/proc/self/fd/");
const int fd = create_nl_socket(NETLINK_ROUTE);
const unsigned int hdrlen = sizeof(struct netconfmsg);
void *nlh0 = tail_alloc(NLMSG_SPACE(hdrlen));
static char pattern[4096];
fill_memory_ex(pattern, sizeof(pattern), 'a', 'z' - 'a' + 1);
const unsigned int nla_type = 0xffff & NLA_TYPE_MASK;
char nla_type_str[256];
sprintf(nla_type_str, "%#x /* NETCONFA_??? */", nla_type);
TEST_NLATTR_(fd, nlh0, hdrlen,
init_netconfmsg, print_netconfmsg,
nla_type, nla_type_str,
4, pattern, 4,
print_quoted_hex(pattern, 4));
puts("+++ exited with 0 +++");
return 0;
}
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);
const uint32_t num = 0xabacdbcd;
TEST_NESTED_NLATTR_OBJECT(fd, nlh0, hdrlen,
init_ifinfomsg, print_ifinfomsg,
IFLA_PORT_VF, pattern, num,
printf("%u", num));
#ifdef HAVE_STRUCT_IFLA_PORT_VSI
static const struct ifla_port_vsi vsi = {
.vsi_mgr_id = 0xab,
.vsi_type_id = "abc",
.vsi_type_version = 0xef
};
TEST_NESTED_NLATTR_OBJECT(fd, nlh0, hdrlen,
init_ifinfomsg, print_ifinfomsg,
IFLA_PORT_VSI_TYPE, pattern, vsi,
PRINT_FIELD_U("{", vsi, vsi_mgr_id);
printf(", vsi_type_id=\"\\x61\\x62\\x63\"");
PRINT_FIELD_U(", ", vsi, vsi_type_version);
printf("}"));
#endif
puts("+++ exited with 0 +++");
return 0;
}
int
genl_client_init ()
{
reset_nl_attrs ();
create_nl_socket ();
get_family_id ();
return 0;
}
int
main(void)
{
skip_if_unavailable("/proc/self/fd/");
const int fd = create_nl_socket(NETLINK_ROUTE);
const unsigned int hdrlen = sizeof(struct ndmsg);
void *nlh0 = midtail_alloc(NLMSG_SPACE(hdrlen),
NLA_HDRLEN + sizeof(struct nda_cacheinfo));
static char pattern[4096];
fill_memory_ex(pattern, sizeof(pattern), 'a', 'z' - 'a' + 1);
const unsigned int nla_type = 0xffff & NLA_TYPE_MASK;
char nla_type_str[256];
sprintf(nla_type_str, "%#x /* NDA_??? */", nla_type);
TEST_NLATTR_(fd, nlh0, hdrlen,
init_ndmsg, print_ndmsg,
nla_type, nla_type_str,
4, pattern, 4,
print_quoted_hex(pattern, 4));
TEST_NLATTR(fd, nlh0, hdrlen,
init_ndmsg, print_ndmsg,
NDA_DST, 4, pattern, 4,
print_quoted_hex(pattern, 4));
static const struct nda_cacheinfo ci = {
.ndm_confirmed = 0xabcdedad,
.ndm_used = 0xbcdaedad,
.ndm_updated = 0xcdbadeda,
.ndm_refcnt = 0xdeadbeda
};
TEST_NLATTR_OBJECT(fd, nlh0, hdrlen,
init_ndmsg, print_ndmsg,
NDA_CACHEINFO, pattern, ci,
PRINT_FIELD_U("{", ci, ndm_confirmed);
PRINT_FIELD_U(", ", ci, ndm_used);
PRINT_FIELD_U(", ", ci, ndm_updated);
PRINT_FIELD_U(", ", ci, ndm_refcnt);
printf("}"));
const uint16_t port = 0xabcd;
TEST_NLATTR_OBJECT(fd, nlh0, hdrlen,
init_ndmsg, print_ndmsg,
NDA_PORT, pattern, port,
printf("htons(%u)", ntohs(port)));
puts("+++ exited with 0 +++");
return 0;
}
int
main(void)
{
skip_if_unavailable("/proc/self/fd/");
const uint32_t ifindex = ifindex_lo();
const uint8_t type = MDB_RTR_TYPE_DISABLED;
static const struct nlattr nla = {
.nla_len = NLA_HDRLEN + sizeof(type),
.nla_type = MDBA_ROUTER_PATTR_TYPE
};
char buf[NLMSG_ALIGN(ifindex) + NLA_HDRLEN + sizeof(type)];
const int fd = create_nl_socket(NETLINK_ROUTE);
void *nlh0 = midtail_alloc(NLMSG_SPACE(hdrlen),
NLA_HDRLEN + sizeof(buf));
static char pattern[4096];
fill_memory_ex(pattern, sizeof(pattern), 'a', 'z' - 'a' + 1);
TEST_NESTED_NLATTR_OBJECT(fd, nlh0, hdrlen,
init_br_port_msg, print_br_port_msg,
MDBA_ROUTER_PORT, pattern, ifindex,
printf(IFINDEX_LO_STR));
memcpy(buf, &ifindex, sizeof(ifindex));
memcpy(buf + NLMSG_ALIGN(ifindex), &nla, sizeof(nla));
memcpy(buf + NLMSG_ALIGN(ifindex) + NLA_HDRLEN, &type, sizeof(type));
TEST_NLATTR(fd, nlh0 - NLA_HDRLEN, hdrlen + NLA_HDRLEN,
init_br_port_msg, print_br_port_msg,
MDBA_ROUTER_PORT, sizeof(buf), buf, sizeof(buf),
printf(IFINDEX_LO_STR
", {{nla_len=%u, nla_type=MDBA_ROUTER_PATTR_TYPE}"
", MDB_RTR_TYPE_DISABLED}}",
nla.nla_len));
puts("+++ exited with 0 +++");
return 0;
}
#else
SKIP_MAIN_UNDEFINED("HAVE_STRUCT_BR_PORT_MSG")
static void
test_selnl_msg_setenforce(const int fd)
{
void *const nlh0 = tail_alloc(NLMSG_HDRLEN);
static const struct selnl_msg_setenforce msg = {
.val = 0xfbdcdfab
};
TEST_NETLINK_OBJECT(fd, nlh0,
SELNL_MSG_SETENFORCE, NLM_F_REQUEST, msg,
PRINT_FIELD_D("{", msg, val);
printf("}"));
}
static void
test_selnl_msg_policyload(const int fd)
{
void *const nlh0 = tail_alloc(NLMSG_HDRLEN);
static const struct selnl_msg_policyload msg = {
.seqno = 0xabdcfabc
};
TEST_NETLINK_OBJECT(fd, nlh0,
SELNL_MSG_POLICYLOAD, NLM_F_REQUEST, msg,
PRINT_FIELD_U("{", msg, seqno);
printf("}"));
}
int main(void)
{
skip_if_unavailable("/proc/self/fd/");
int fd = create_nl_socket(NETLINK_SELINUX);
test_nlmsg_type(fd);
test_selnl_msg_unspec(fd);
test_selnl_msg_setenforce(fd);
test_selnl_msg_policyload(fd);
printf("+++ exited with 0 +++\n");
return 0;
}
int main(int argc, char *argv[])
{
int c, rc, rep_len, aggr_len, len2;
int cmd_type = TASKSTATS_CMD_ATTR_UNSPEC;
__u16 id;
__u32 mypid;
struct nlattr *na;
int nl_sd = -1;
int len = 0;
pid_t tid = 0;
pid_t rtid = 0;
int fd = 0;
int count = 0;
int write_file = 0;
int maskset = 0;
char *logfile = NULL;
int loop = 0;
int containerset = 0;
char *containerpath = NULL;
int cfd = 0;
int forking = 0;
sigset_t sigset;
struct msgtemplate msg;
while (!forking) {
c = getopt(argc, argv, "qdiw:r:m:t:p:vlC:c:");
if (c < 0)
break;
switch (c) {
case 'd':
printf("print delayacct stats ON\n");
print_delays = 1;
break;
case 'i':
printf("printing IO accounting\n");
print_io_accounting = 1;
break;
case 'q':
printf("printing task/process context switch rates\n");
print_task_context_switch_counts = 1;
break;
case 'C':
containerset = 1;
containerpath = optarg;
break;
case 'w':
logfile = strdup(optarg);
printf("write to file %s\n", logfile);
write_file = 1;
break;
case 'r':
rcvbufsz = atoi(optarg);
printf("receive buf size %d\n", rcvbufsz);
if (rcvbufsz < 0)
err(1, "Invalid rcv buf size\n");
break;
case 'm':
strncpy(cpumask, optarg, sizeof(cpumask));
cpumask[sizeof(cpumask) - 1] = '\0';
maskset = 1;
printf("cpumask %s maskset %d\n", cpumask, maskset);
break;
case 't':
tid = atoi(optarg);
if (!tid)
err(1, "Invalid tgid\n");
cmd_type = TASKSTATS_CMD_ATTR_TGID;
break;
case 'p':
tid = atoi(optarg);
if (!tid)
err(1, "Invalid pid\n");
cmd_type = TASKSTATS_CMD_ATTR_PID;
break;
case 'c':
/* Block SIGCHLD for sigwait() later */
if (sigemptyset(&sigset) == -1)
err(1, "Failed to empty sigset");
if (sigaddset(&sigset, SIGCHLD))
err(1, "Failed to set sigchld in sigset");
sigprocmask(SIG_BLOCK, &sigset, NULL);
/* fork/exec a child */
tid = fork();
if (tid < 0)
err(1, "Fork failed\n");
if (tid == 0)
if (execvp(argv[optind - 1],
&argv[optind - 1]) < 0)
exit(-1);
/* Set the command type and avoid further processing */
cmd_type = TASKSTATS_CMD_ATTR_PID;
forking = 1;
break;
case 'v':
printf("debug on\n");
dbg = 1;
break;
case 'l':
printf("listen forever\n");
loop = 1;
break;
default:
usage();
exit(-1);
}
}
if (write_file) {
fd = open(logfile, O_WRONLY | O_CREAT | O_TRUNC,
S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH);
if (fd == -1) {
perror("Cannot open output file\n");
exit(1);
}
}
nl_sd = create_nl_socket(NETLINK_GENERIC);
if (nl_sd < 0)
err(1, "error creating Netlink socket\n");
mypid = getpid();
id = get_family_id(nl_sd);
if (!id) {
fprintf(stderr, "Error getting family id, errno %d\n", errno);
goto err;
}
PRINTF("family id %d\n", id);
if (maskset) {
rc = send_cmd(nl_sd, id, mypid, TASKSTATS_CMD_GET,
TASKSTATS_CMD_ATTR_REGISTER_CPUMASK,
&cpumask, strlen(cpumask) + 1);
PRINTF("Sent register cpumask, retval %d\n", rc);
if (rc < 0) {
fprintf(stderr, "error sending register cpumask\n");
goto err;
}
}
if (tid && containerset) {
fprintf(stderr, "Select either -t or -C, not both\n");
goto err;
}
/*
* If we forked a child, wait for it to exit. Cannot use waitpid()
* as all the delicious data would be reaped as part of the wait
*/
if (tid && forking) {
int sig_received;
sigwait(&sigset, &sig_received);
}
if (tid) {
rc = send_cmd(nl_sd, id, mypid, TASKSTATS_CMD_GET,
cmd_type, &tid, sizeof(__u32));
PRINTF("Sent pid/tgid, retval %d\n", rc);
if (rc < 0) {
fprintf(stderr, "error sending tid/tgid cmd\n");
goto done;
}
}
if (containerset) {
cfd = open(containerpath, O_RDONLY);
if (cfd < 0) {
perror("error opening container file");
goto err;
}
rc = send_cmd(nl_sd, id, mypid, CGROUPSTATS_CMD_GET,
CGROUPSTATS_CMD_ATTR_FD, &cfd, sizeof(__u32));
if (rc < 0) {
perror("error sending cgroupstats command");
goto err;
}
}
if (!maskset && !tid && !containerset) {
usage();
goto err;
}
do {
rep_len = recv(nl_sd, &msg, sizeof(msg), 0);
PRINTF("received %d bytes\n", rep_len);
if (rep_len < 0) {
fprintf(stderr, "nonfatal reply error: errno %d\n",
errno);
continue;
}
if (msg.n.nlmsg_type == NLMSG_ERROR ||
!NLMSG_OK((&msg.n), rep_len)) {
struct nlmsgerr *err = NLMSG_DATA(&msg);
fprintf(stderr, "fatal reply error, errno %d\n",
err->error);
goto done;
}
PRINTF("nlmsghdr size=%zu, nlmsg_len=%d, rep_len=%d\n",
sizeof(struct nlmsghdr), msg.n.nlmsg_len, rep_len);
rep_len = GENLMSG_PAYLOAD(&msg.n);
na = (struct nlattr *) GENLMSG_DATA(&msg);
len = 0;
while (len < rep_len) {
len += NLA_ALIGN(na->nla_len);
switch (na->nla_type) {
case TASKSTATS_TYPE_AGGR_TGID:
/* Fall through */
case TASKSTATS_TYPE_AGGR_PID:
aggr_len = NLA_PAYLOAD(na->nla_len);
len2 = 0;
/* For nested attributes, na follows */
na = (struct nlattr *) NLA_DATA(na);
done = 0;
while (len2 < aggr_len) {
switch (na->nla_type) {
case TASKSTATS_TYPE_PID:
rtid = *(int *) NLA_DATA(na);
if (print_delays)
printf("PID\t%d\n", rtid);
break;
case TASKSTATS_TYPE_TGID:
rtid = *(int *) NLA_DATA(na);
if (print_delays)
printf("TGID\t%d\n", rtid);
break;
case TASKSTATS_TYPE_STATS:
count++;
if (print_delays)
print_delayacct((struct taskstats *) NLA_DATA(na));
if (print_io_accounting)
print_ioacct((struct taskstats *) NLA_DATA(na));
if (print_task_context_switch_counts)
task_context_switch_counts((struct taskstats *) NLA_DATA(na));
if (fd) {
if (write(fd, NLA_DATA(na), na->nla_len) < 0) {
err(1,"write error\n");
}
}
if (!loop)
goto done;
break;
case TASKSTATS_TYPE_NULL:
break;
default:
fprintf(stderr, "Unknown nested"
" nla_type %d\n",
na->nla_type);
break;
}
len2 += NLA_ALIGN(na->nla_len);
na = (struct nlattr *)((char *)na +
NLA_ALIGN(na->nla_len));
}
break;
case CGROUPSTATS_TYPE_CGROUP_STATS:
print_cgroupstats(NLA_DATA(na));
break;
default:
fprintf(stderr, "Unknown nla_type %d\n",
na->nla_type);
case TASKSTATS_TYPE_NULL:
break;
}
na = (struct nlattr *) (GENLMSG_DATA(&msg) + len);
}
} while (loop);
done:
if (maskset) {
rc = send_cmd(nl_sd, id, mypid, TASKSTATS_CMD_GET,
TASKSTATS_CMD_ATTR_DEREGISTER_CPUMASK,
&cpumask, strlen(cpumask) + 1);
printf("Sent deregister mask, retval %d\n", rc);
if (rc < 0)
err(rc, "error sending deregister cpumask\n");
}
err:
close(nl_sd);
if (fd)
close(fd);
if (cfd)
close(cfd);
return 0;
}
static void
test_nlmsg_type(const int fd)
{
long rc;
struct nlmsghdr nlh = {
.nlmsg_len = sizeof(nlh),
.nlmsg_flags = NLM_F_REQUEST,
};
nlh.nlmsg_type =
NFNL_SUBSYS_CTNETLINK_TIMEOUT << 8 | IPCTNL_MSG_TIMEOUT_NEW;
rc = sendto(fd, &nlh, nlh.nlmsg_len, MSG_DONTWAIT, NULL, 0);
printf("sendto(%d, {len=%u"
", type=NFNL_SUBSYS_CTNETLINK_TIMEOUT<<8|IPCTNL_MSG_TIMEOUT_NEW"
", flags=NLM_F_REQUEST, seq=0, pid=0}"
", %u, MSG_DONTWAIT, NULL, 0) = %s\n",
fd, nlh.nlmsg_len, nlh.nlmsg_len, sprintrc(rc));
nlh.nlmsg_type = NFNL_SUBSYS_CTNETLINK_TIMEOUT << 8 | 0xff;
rc = sendto(fd, &nlh, nlh.nlmsg_len, MSG_DONTWAIT, NULL, 0);
printf("sendto(%d, {len=%u"
", type=NFNL_SUBSYS_CTNETLINK_TIMEOUT<<8|0xff /* IPCTNL_MSG_TIMEOUT_??? */"
", flags=NLM_F_REQUEST, seq=0, pid=0}"
", %u, MSG_DONTWAIT, NULL, 0) = %s\n",
fd, nlh.nlmsg_len, nlh.nlmsg_len, sprintrc(rc));
}
static void
test_nlmsg_flags(const int fd)
{
long rc;
struct nlmsghdr nlh = {
.nlmsg_len = sizeof(nlh),
};
nlh.nlmsg_type =
NFNL_SUBSYS_CTNETLINK_TIMEOUT << 8 | IPCTNL_MSG_TIMEOUT_NEW;
nlh.nlmsg_flags = NLM_F_REQUEST | NLM_F_APPEND;
rc = sendto(fd, &nlh, nlh.nlmsg_len, MSG_DONTWAIT, NULL, 0);
printf("sendto(%d, {len=%u"
", type=NFNL_SUBSYS_CTNETLINK_TIMEOUT<<8|IPCTNL_MSG_TIMEOUT_NEW"
", flags=NLM_F_REQUEST|NLM_F_APPEND, seq=0, pid=0}"
", %u, MSG_DONTWAIT, NULL, 0) = %s\n",
fd, nlh.nlmsg_len, nlh.nlmsg_len, sprintrc(rc));
nlh.nlmsg_type =
NFNL_SUBSYS_CTNETLINK_TIMEOUT << 8 | IPCTNL_MSG_TIMEOUT_GET;
nlh.nlmsg_flags = NLM_F_REQUEST | NLM_F_ATOMIC;
rc = sendto(fd, &nlh, nlh.nlmsg_len, MSG_DONTWAIT, NULL, 0);
printf("sendto(%d, {len=%u"
", type=NFNL_SUBSYS_CTNETLINK_TIMEOUT<<8|IPCTNL_MSG_TIMEOUT_GET"
", flags=NLM_F_REQUEST|NLM_F_ATOMIC, seq=0, pid=0}"
", %u, MSG_DONTWAIT, NULL, 0) = %s\n",
fd, nlh.nlmsg_len, nlh.nlmsg_len, sprintrc(rc));
nlh.nlmsg_type =
NFNL_SUBSYS_CTNETLINK_TIMEOUT << 8 | IPCTNL_MSG_TIMEOUT_DELETE;
nlh.nlmsg_flags = NLM_F_REQUEST | NLM_F_NONREC;
rc = sendto(fd, &nlh, nlh.nlmsg_len, MSG_DONTWAIT, NULL, 0);
printf("sendto(%d, {len=%u"
", type=NFNL_SUBSYS_CTNETLINK_TIMEOUT<<8|IPCTNL_MSG_TIMEOUT_DELETE"
", flags=NLM_F_REQUEST|NLM_F_NONREC, seq=0, pid=0}"
", %u, MSG_DONTWAIT, NULL, 0) = %s\n",
fd, nlh.nlmsg_len, nlh.nlmsg_len, sprintrc(rc));
}
int
main(void)
{
skip_if_unavailable("/proc/self/fd/");
int fd = create_nl_socket(NETLINK_NETFILTER);
test_nlmsg_type(fd);
test_nlmsg_flags(fd);
puts("+++ exited with 0 +++");
return 0;
}
int main(int argc, char *argv[])
{
int c, rc, rep_len, aggr_len, len2, cmd_type;
__u16 id;
__u32 mypid;
struct nlattr *na;
int nl_sd = -1;
int len = 0;
pid_t tid = 0;
pid_t rtid = 0;
int fd = 0;
int count = 0;
int write_file = 0;
int maskset = 0;
char *logfile = NULL;
int loop = 0;
int containerset = 0;
char containerpath[1024];
int cfd = 0;
struct msgtemplate msg;
while (1) {
c = getopt(argc, argv, "qdiw:r:m:t:p:vlC:");
if (c < 0)
break;
switch (c) {
case 'd':
printf("print delayacct stats ON\n");
print_delays = 1;
break;
case 'i':
printf("printing IO accounting\n");
print_io_accounting = 1;
break;
case 'q':
printf("printing task/process context switch rates\n");
print_task_context_switch_counts = 1;
break;
case 'C':
containerset = 1;
strncpy(containerpath, optarg, strlen(optarg) + 1);
break;
case 'w':
logfile = strdup(optarg);
printf("write to file %s\n", logfile);
write_file = 1;
break;
case 'r':
rcvbufsz = atoi(optarg);
printf("receive buf size %d\n", rcvbufsz);
if (rcvbufsz < 0)
err(1, "Invalid rcv buf size\n");
break;
case 'm':
strncpy(cpumask, optarg, sizeof(cpumask));
maskset = 1;
printf("cpumask %s maskset %d\n", cpumask, maskset);
break;
case 't':
tid = atoi(optarg);
if (!tid)
err(1, "Invalid tgid\n");
cmd_type = TASKSTATS_CMD_ATTR_TGID;
break;
case 'p':
tid = atoi(optarg);
if (!tid)
err(1, "Invalid pid\n");
cmd_type = TASKSTATS_CMD_ATTR_PID;
break;
case 'v':
printf("debug on\n");
dbg = 1;
break;
case 'l':
printf("listen forever\n");
loop = 1;
break;
default:
usage();
exit(1);
}
}
if (write_file) {
fd = open(logfile, O_WRONLY | O_CREAT | O_TRUNC,
S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH);
if (fd == -1) {
perror("Cannot open output file\n");
exit(1);
}
}
if ((nl_sd = create_nl_socket(NETLINK_GENERIC)) < 0)
err(1, "error creating Netlink socket\n");
mypid = getpid();
id = get_family_id(nl_sd);
if (!id) {
fprintf(stderr, "Error getting family id, errno %d\n", errno);
exit(1);
}
PRINTF("family id %d\n", id);
if (maskset) {
rc = send_cmd(nl_sd, id, mypid, TASKSTATS_CMD_GET,
TASKSTATS_CMD_ATTR_REGISTER_CPUMASK,
&cpumask, strlen(cpumask) + 1);
PRINTF("Sent register cpumask, retval %d\n", rc);
if (rc < 0) {
fprintf(stderr, "error sending register cpumask\n");
exit(1);
}
}
if (tid && containerset) {
fprintf(stderr, "Select either -t or -C, not both\n");
exit(1);
}
if (tid) {
rc = send_cmd(nl_sd, id, mypid, TASKSTATS_CMD_GET,
cmd_type, &tid, sizeof(__u32));
PRINTF("Sent pid/tgid, retval %d\n", rc);
if (rc < 0) {
fprintf(stderr, "error sending tid/tgid cmd\n");
exit(1);
}
}
if (containerset) {
cfd = open(containerpath, O_RDONLY);
if (cfd < 0) {
perror("error opening container file");
exit(1);
}
#ifdef HAVE_LINUX_CGROUPSTATS_H
rc = send_cmd(nl_sd, id, mypid, CGROUPSTATS_CMD_GET,
CGROUPSTATS_CMD_ATTR_FD, &cfd, sizeof(__u32));
#else
errno = ENOSYS;
rc = -1;
#endif
if (rc < 0) {
perror("error sending cgroupstats command");
exit(1);
}
}
if (!maskset && !tid && !containerset) {
usage();
exit(1);
}
do {
int i;
rep_len = recv(nl_sd, &msg, sizeof(msg), 0);
PRINTF("received %d bytes\n", rep_len);
if (rep_len < 0) {
fprintf(stderr, "nonfatal reply error: errno %d\n",
errno);
exit(1);
}
if (msg.n.nlmsg_type == NLMSG_ERROR ||
!NLMSG_OK((&msg.n), rep_len)) {
struct nlmsgerr *err = NLMSG_DATA(&msg);
fprintf(stderr, "fatal reply error, errno %d\n",
err->error);
exit(1);
}
PRINTF("nlmsghdr size=%zu, nlmsg_len=%d, rep_len=%d\n",
sizeof(struct nlmsghdr), msg.n.nlmsg_len, rep_len);
rep_len = GENLMSG_PAYLOAD(&msg.n);
na = (struct nlattr *) GENLMSG_DATA(&msg);
len = 0;
i = 0;
while (len < rep_len) {
len += NLA_ALIGN(na->nla_len);
switch (na->nla_type) {
case TASKSTATS_TYPE_AGGR_TGID:
/* Fall through */
case TASKSTATS_TYPE_AGGR_PID:
aggr_len = NLA_PAYLOAD(na->nla_len);
len2 = 0;
/* For nested attributes, na follows */
na = (struct nlattr *) NLA_DATA(na);
done = 0;
while (len2 < aggr_len) {
switch (na->nla_type) {
case TASKSTATS_TYPE_PID:
rtid = *(int *) NLA_DATA(na);
if (print_delays)
printf("PID\t%d\n", rtid);
break;
case TASKSTATS_TYPE_TGID:
rtid = *(int *) NLA_DATA(na);
if (print_delays)
printf("TGID\t%d\n", rtid);
break;
case TASKSTATS_TYPE_STATS:
count++;
if (print_delays)
print_delayacct((struct taskstats *) NLA_DATA(na));
if (print_io_accounting)
print_ioacct((struct taskstats *) NLA_DATA(na));
if (print_task_context_switch_counts)
task_context_switch_counts((struct taskstats *) NLA_DATA(na));
if (fd) {
if (write(fd, NLA_DATA(na), na->nla_len) < 0) {
err(1,"write error\n");
}
}
if (!loop)
goto done;
break;
default:
fprintf(stderr, "Unknown nested"
" nla_type %d\n",
na->nla_type);
break;
}
len2 += NLA_ALIGN(na->nla_len);
na = (struct nlattr *) ((char *) na + len2);
}
break;
#if HAVE_LINUX_CGROUPSTATS_H
case CGROUPSTATS_TYPE_CGROUP_STATS:
print_cgroupstats(NLA_DATA(na));
break;
#endif
default:
fprintf(stderr, "Unknown nla_type %d\n",
na->nla_type);
exit(1);
}
na = (struct nlattr *) (GENLMSG_DATA(&msg) + len);
}
} while (loop);
done:
if (maskset) {
rc = send_cmd(nl_sd, id, mypid, TASKSTATS_CMD_GET,
TASKSTATS_CMD_ATTR_DEREGISTER_CPUMASK,
&cpumask, strlen(cpumask) + 1);
printf("Sent deregister mask, retval %d\n", rc);
if (rc < 0)
err(rc, "error sending deregister cpumask\n");
}
close(nl_sd);
if (fd)
close(fd);
if (cfd)
close(cfd);
return 0;
}
int main()
{
nl_sd = create_nl_socket(NETLINK_GENERIC,0);
if(nl_sd < 0) {
printf("create failure\n");
return 0;
}
int id = get_family_id(nl_sd);
struct {
struct nlmsghdr n;
struct genlmsghdr g;
char buf[256];
} ans;
struct {
struct nlmsghdr n;
struct genlmsghdr g;
char buf[256];
} req;
struct nlattr *na;
// Send command needed
req.n.nlmsg_len = NLMSG_LENGTH(GENL_HDRLEN);
req.n.nlmsg_type = id;
req.n.nlmsg_flags = NLM_F_REQUEST;
req.n.nlmsg_seq = 60;
req.n.nlmsg_pid = getpid();
req.g.cmd = 1;//DOC_EXMPL_C_ECHO;
//compose message
na = (struct nlattr *) GENLMSG_DATA(&req);
na->nla_type = 1; //DOC_EXMPL_A_MSG
char * message = "hello world!"; //message
int mlength = 14;
na->nla_len = mlength+NLA_HDRLEN; //message length
memcpy(NLA_DATA(na), message, mlength);
req.n.nlmsg_len += NLMSG_ALIGN(na->nla_len);
//send message
struct sockaddr_nl nladdr;
int r;
memset(&nladdr, 0, sizeof(nladdr));
nladdr.nl_family = AF_NETLINK;
r = sendto(nl_sd, (char *)&req, req.n.nlmsg_len, 0,
(struct sockaddr *) &nladdr, sizeof(nladdr));
int rep_len;
//kernel says hello first
rep_len = recv(nl_sd, &ans, sizeof(ans), 0);
// Validate response message
if (ans.n.nlmsg_type == NLMSG_ERROR) { // error
printf("error received NACK - leaving \n");
return -1;
}
if (rep_len < 0) {
printf("error receiving reply message via Netlink \n");
return -1;
}
if (!NLMSG_OK((&ans.n), rep_len)) {
printf("invalid reply message received via Netlink\n");
return -1;
}
rep_len = GENLMSG_PAYLOAD(&ans.n);
//parse reply message
na = (struct nlattr *) GENLMSG_DATA(&ans);
char * result2 = (char *)NLA_DATA(na);
printf("kernel says: %s\n",result2);
while(1)
{
/* recv sector no. */
rep_len = recv(nl_sd, &ans, sizeof(ans), 0);
//int rep_len = recv(nl_sd, &ans, sizeof(ans), 0);
//int rep_len = recv(nl_sd, &ans, sizeof(ans), 0);
// Validate response message
if (ans.n.nlmsg_type == NLMSG_ERROR) { // error
printf("error received NACK - leaving \n");
return -1;
}
if (rep_len < 0) {
printf("error receiving reply message via Netlink \n");
return -1;
}
if (!NLMSG_OK((&ans.n), rep_len)) {
printf("invalid reply message received via Netlink\n");
return -1;
}
rep_len = GENLMSG_PAYLOAD(&ans.n);
//parse reply message
na = (struct nlattr *) GENLMSG_DATA(&ans);
unsigned long *result = (unsigned long *)NLA_DATA(na);
printf("Sect No: %lx\n",*result);
/*recv no of sectors*/
rep_len = recv(nl_sd, &ans, sizeof(ans), 0);
// Validate response message
if (ans.n.nlmsg_type == NLMSG_ERROR) { // error
printf("error received NACK - leaving \n");
return -1;
}
if (rep_len < 0) {
printf("error receiving reply message via Netlink \n");
return -1;
}
if (!NLMSG_OK((&ans.n), rep_len)) {
printf("invalid reply message received via Netlink\n");
return -1;
}
rep_len = GENLMSG_PAYLOAD(&ans.n);
//parse reply message
na = (struct nlattr *) GENLMSG_DATA(&ans);
unsigned long *result1 = (unsigned long *)NLA_DATA(na);
printf("No. of Sectors : %lx\n\n",*result1);
}
close(nl_sd);
return 1;
}
int
main(void)
{
skip_if_unavailable("/proc/self/fd/");
static const struct rtnl_link_stats st = {
.rx_packets = 0xabcdefac,
.tx_packets = 0xbcdacdab,
.rx_bytes = 0xcdbafaab,
.tx_bytes = 0xdafabadb,
.rx_errors = 0xeabcdaeb,
.tx_errors = 0xfefabeab,
.rx_dropped = 0xadbafafb,
.tx_dropped = 0xbdffabda,
.multicast = 0xcdabdfea,
.collisions = 0xefadbaeb,
.rx_length_errors = 0xfabffabd,
.rx_over_errors = 0xafbafabc,
.rx_crc_errors = 0xbfdabdad,
.rx_frame_errors = 0xcfdabfad,
.rx_fifo_errors = 0xddfdebad,
.rx_missed_errors = 0xefabdcba,
.tx_aborted_errors = 0xefdadbfa,
.tx_carrier_errors = 0xfaefbada,
.tx_fifo_errors = 0xaebdffab,
.tx_heartbeat_errors = 0xbadebaaf,
.tx_window_errors = 0xcdafbada,
.rx_compressed = 0xdeffadbd,
.tx_compressed = 0xefdadfab
};
const int fd = create_nl_socket(NETLINK_ROUTE);
const unsigned int hdrlen = sizeof(struct ifinfomsg);
void *nlh0 = midtail_alloc(NLMSG_SPACE(hdrlen),
NLA_HDRLEN + sizeof(st));
static char pattern[4096];
fill_memory_ex(pattern, sizeof(pattern), 'a', 'z' - 'a' + 1);
const unsigned int nla_type = 0xffff & NLA_TYPE_MASK;
char nla_type_str[256];
sprintf(nla_type_str, "%#x /* IFLA_??? */", nla_type);
TEST_NLATTR_(fd, nlh0, hdrlen,
init_ifinfomsg, print_ifinfomsg,
nla_type, nla_type_str,
4, pattern, 4,
print_quoted_hex(pattern, 4));
const int32_t netnsid = 0xacbdabda;
TEST_NLATTR_OBJECT(fd, nlh0, hdrlen,
init_ifinfomsg, print_ifinfomsg,
IFLA_LINK_NETNSID, pattern, netnsid,
printf("%d", netnsid));
TEST_NLATTR_OBJECT(fd, nlh0, hdrlen,
init_ifinfomsg, print_ifinfomsg,
IFLA_STATS, pattern, st,
PRINT_FIELD_U("{", st, rx_packets);
PRINT_FIELD_U(", ", st, tx_packets);
PRINT_FIELD_U(", ", st, rx_bytes);
PRINT_FIELD_U(", ", st, tx_bytes);
PRINT_FIELD_U(", ", st, rx_errors);
PRINT_FIELD_U(", ", st, tx_errors);
PRINT_FIELD_U(", ", st, rx_dropped);
PRINT_FIELD_U(", ", st, tx_dropped);
PRINT_FIELD_U(", ", st, multicast);
PRINT_FIELD_U(", ", st, collisions);
PRINT_FIELD_U(", ", st, rx_length_errors);
PRINT_FIELD_U(", ", st, rx_over_errors);
PRINT_FIELD_U(", ", st, rx_crc_errors);
PRINT_FIELD_U(", ", st, rx_frame_errors);
PRINT_FIELD_U(", ", st, rx_fifo_errors);
PRINT_FIELD_U(", ", st, rx_missed_errors);
PRINT_FIELD_U(", ", st, tx_aborted_errors);
PRINT_FIELD_U(", ", st, tx_carrier_errors);
PRINT_FIELD_U(", ", st, tx_fifo_errors);
PRINT_FIELD_U(", ", st, tx_heartbeat_errors);
PRINT_FIELD_U(", ", st, tx_window_errors);
PRINT_FIELD_U(", ", st, rx_compressed);
PRINT_FIELD_U(", ", st, tx_compressed);
#ifdef HAVE_STRUCT_RTNL_LINK_STATS_RX_NOHANDLER
PRINT_FIELD_U(", ", st, rx_nohandler);
#endif
printf("}"));
#ifdef HAVE_STRUCT_RTNL_LINK_STATS_RX_NOHANDLER
const unsigned int sizeof_stats =
offsetofend(struct rtnl_link_stats, tx_compressed);
TEST_NLATTR(fd, nlh0, hdrlen,
init_ifinfomsg, print_ifinfomsg,
IFLA_STATS, sizeof_stats, &st, sizeof_stats,
PRINT_FIELD_U("{", st, rx_packets);
PRINT_FIELD_U(", ", st, tx_packets);
PRINT_FIELD_U(", ", st, rx_bytes);
PRINT_FIELD_U(", ", st, tx_bytes);
PRINT_FIELD_U(", ", st, rx_errors);
PRINT_FIELD_U(", ", st, tx_errors);
PRINT_FIELD_U(", ", st, rx_dropped);
PRINT_FIELD_U(", ", st, tx_dropped);
PRINT_FIELD_U(", ", st, multicast);
PRINT_FIELD_U(", ", st, collisions);
PRINT_FIELD_U(", ", st, rx_length_errors);
PRINT_FIELD_U(", ", st, rx_over_errors);
PRINT_FIELD_U(", ", st, rx_crc_errors);
PRINT_FIELD_U(", ", st, rx_frame_errors);
PRINT_FIELD_U(", ", st, rx_fifo_errors);
PRINT_FIELD_U(", ", st, rx_missed_errors);
PRINT_FIELD_U(", ", st, tx_aborted_errors);
PRINT_FIELD_U(", ", st, tx_carrier_errors);
PRINT_FIELD_U(", ", st, tx_fifo_errors);
PRINT_FIELD_U(", ", st, tx_heartbeat_errors);
PRINT_FIELD_U(", ", st, tx_window_errors);
PRINT_FIELD_U(", ", st, rx_compressed);
PRINT_FIELD_U(", ", st, tx_compressed);
printf("}"));
#endif /* HAVE_STRUCT_RTNL_LINK_STATS_RX_NOHANDLER */
static const struct rtnl_link_ifmap map = {
.mem_start = 0xadcbefedefbcdedb,
.mem_end = 0xefcbeabdecdcdefa,
.base_addr = 0xaddbeabdfaacdbae,
.irq = 0xefaf,
.dma = 0xab,
.port = 0xcd
};
const unsigned int sizeof_ifmap =
offsetofend(struct rtnl_link_ifmap, port);
const unsigned int plen = sizeof_ifmap - 1 > DEFAULT_STRLEN
? DEFAULT_STRLEN
: (int) sizeof_ifmap - 1;
/* len < sizeof_ifmap */
TEST_NLATTR(fd, nlh0, hdrlen,
init_ifinfomsg, print_ifinfomsg,
IFLA_MAP, plen, pattern, plen,
print_quoted_hex(pattern, plen));
/* short read of sizeof_ifmap */
TEST_NLATTR(fd, nlh0, hdrlen,
init_ifinfomsg, print_ifinfomsg,
IFLA_MAP, sizeof_ifmap, &map, sizeof_ifmap - 1,
printf("%p", RTA_DATA(TEST_NLATTR_nla)));
/* sizeof_ifmap */
TEST_NLATTR(fd, nlh0, hdrlen,
init_ifinfomsg, print_ifinfomsg,
IFLA_MAP, sizeof_ifmap, &map, sizeof_ifmap,
PRINT_FIELD_X("{", map, mem_start);
PRINT_FIELD_X(", ", map, mem_end);
PRINT_FIELD_X(", ", map, base_addr);
PRINT_FIELD_U(", ", map, irq);
PRINT_FIELD_U(", ", map, dma);
PRINT_FIELD_U(", ", map, port);
printf("}"));
#ifdef HAVE_STRUCT_RTNL_LINK_STATS64
static const struct rtnl_link_stats64 st64 = {
.rx_packets = 0xadcbefedefbcdedb,
.tx_packets = 0xbdabdedabdcdeabd,
.rx_bytes = 0xcdbaefbaeadfabec,
.tx_bytes = 0xdbaedbafabbeacdb,
.rx_errors = 0xefabfdaefabaefab,
.tx_errors = 0xfaebfabfabbaeabf,
.rx_dropped = 0xacdbaedbadbabeba,
.tx_dropped = 0xbcdeffebdabeadbe,
.multicast = 0xeeffbaeabaeffabe,
.collisions = 0xffbaefcefbafacef,
.rx_length_errors = 0xaabbdeabceffdecb,
.rx_over_errors = 0xbbdcdadebadeaeed,
.rx_crc_errors= 0xccdeabecefaedbef,
.rx_frame_errors = 0xddbedaedebcedaef,
.rx_fifo_errors = 0xeffbadefafdaeaab,
.rx_missed_errors = 0xfefaebccceadeecd,
.tx_aborted_errors = 0xabcdadefcdadef,
.tx_carrier_errors = 0xbccdafaeeaaefe,
.tx_fifo_errors = 0xcddefdbedeadce,
.tx_heartbeat_errors = 0xedaededdadcdea,
.tx_window_errors = 0xfdacdeaccedcda,
.rx_compressed = 0xacdbbcacdbccef,
.tx_compressed = 0xbcdadefcdedfea
};
TEST_NLATTR_OBJECT(fd, nlh0, hdrlen,
init_ifinfomsg, print_ifinfomsg,
IFLA_STATS64, pattern, st64,
PRINT_FIELD_U("{", st64, rx_packets);
PRINT_FIELD_U(", ", st64, tx_packets);
PRINT_FIELD_U(", ", st64, rx_bytes);
PRINT_FIELD_U(", ", st64, tx_bytes);
PRINT_FIELD_U(", ", st64, rx_errors);
PRINT_FIELD_U(", ", st64, tx_errors);
PRINT_FIELD_U(", ", st64, rx_dropped);
PRINT_FIELD_U(", ", st64, tx_dropped);
PRINT_FIELD_U(", ", st64, multicast);
PRINT_FIELD_U(", ", st64, collisions);
PRINT_FIELD_U(", ", st64, rx_length_errors);
PRINT_FIELD_U(", ", st64, rx_over_errors);
PRINT_FIELD_U(", ", st64, rx_crc_errors);
PRINT_FIELD_U(", ", st64, rx_frame_errors);
PRINT_FIELD_U(", ", st64, rx_fifo_errors);
PRINT_FIELD_U(", ", st64, rx_missed_errors);
PRINT_FIELD_U(", ", st64, tx_aborted_errors);
PRINT_FIELD_U(", ", st64, tx_carrier_errors);
PRINT_FIELD_U(", ", st64, tx_fifo_errors);
PRINT_FIELD_U(", ", st64, tx_heartbeat_errors);
PRINT_FIELD_U(", ", st64, tx_window_errors);
PRINT_FIELD_U(", ", st64, rx_compressed);
PRINT_FIELD_U(", ", st64, tx_compressed);
#ifdef HAVE_STRUCT_RTNL_LINK_STATS64_RX_NOHANDLER
PRINT_FIELD_U(", ", st64, rx_nohandler);
#endif
printf("}"));
#ifdef HAVE_STRUCT_RTNL_LINK_STATS64_RX_NOHANDLER
const unsigned int sizeof_stats64 =
offsetofend(struct rtnl_link_stats64, tx_compressed);
TEST_NLATTR(fd, nlh0, hdrlen,
init_ifinfomsg, print_ifinfomsg,
IFLA_STATS64, sizeof_stats64, &st64, sizeof_stats64,
PRINT_FIELD_U("{", st64, rx_packets);
PRINT_FIELD_U(", ", st64, tx_packets);
PRINT_FIELD_U(", ", st64, rx_bytes);
PRINT_FIELD_U(", ", st64, tx_bytes);
PRINT_FIELD_U(", ", st64, rx_errors);
PRINT_FIELD_U(", ", st64, tx_errors);
PRINT_FIELD_U(", ", st64, rx_dropped);
PRINT_FIELD_U(", ", st64, tx_dropped);
PRINT_FIELD_U(", ", st64, multicast);
PRINT_FIELD_U(", ", st64, collisions);
PRINT_FIELD_U(", ", st64, rx_length_errors);
PRINT_FIELD_U(", ", st64, rx_over_errors);
PRINT_FIELD_U(", ", st64, rx_crc_errors);
PRINT_FIELD_U(", ", st64, rx_frame_errors);
PRINT_FIELD_U(", ", st64, rx_fifo_errors);
PRINT_FIELD_U(", ", st64, rx_missed_errors);
PRINT_FIELD_U(", ", st64, tx_aborted_errors);
PRINT_FIELD_U(", ", st64, tx_carrier_errors);
PRINT_FIELD_U(", ", st64, tx_fifo_errors);
PRINT_FIELD_U(", ", st64, tx_heartbeat_errors);
PRINT_FIELD_U(", ", st64, tx_window_errors);
PRINT_FIELD_U(", ", st64, rx_compressed);
PRINT_FIELD_U(", ", st64, tx_compressed);
printf("}"));
#endif /* HAVE_STRUCT_RTNL_LINK_STATS64_RX_NOHANDLER */
#endif /* HAVE_STRUCT_RTNL_LINK_STATS64 */
struct nlattr nla = {
.nla_len = sizeof(nla),
.nla_type = IFLA_INFO_KIND,
};
TEST_NLATTR(fd, nlh0, hdrlen,
init_ifinfomsg, print_ifinfomsg,
IFLA_LINKINFO, sizeof(nla), &nla, sizeof(nla),
printf("{nla_len=%u, nla_type=IFLA_INFO_KIND}",
nla.nla_len));
nla.nla_type = IFLA_VF_PORT;
TEST_NLATTR(fd, nlh0, hdrlen,
init_ifinfomsg, print_ifinfomsg,
IFLA_VF_PORTS, sizeof(nla), &nla, sizeof(nla),
printf("{nla_len=%u, nla_type=IFLA_VF_PORT}",
nla.nla_len));
static const struct {
uint32_t val;
const char *str;
} ifla_events[] = {
{ 0, "IFLA_EVENT_NONE" },
{ 6, "IFLA_EVENT_BONDING_OPTIONS" },
{ ARG_STR(0x7) " /* IFLA_EVENT_??? */" },
{ ARG_STR(0xdeadfeed) " /* IFLA_EVENT_??? */" },
};
for (size_t i = 0; i < ARRAY_SIZE(ifla_events); i++) {
TEST_NLATTR_OBJECT(fd, nlh0, hdrlen,
init_ifinfomsg, print_ifinfomsg,
IFLA_EVENT, pattern, ifla_events[i].val,
printf("%s", ifla_events[i].str));
}
puts("+++ exited with 0 +++");
return 0;
}
.pdmc_type = 0xadef,
.pdmc_alen = 4,
.pdmc_addr = "5678"
}
};
static const struct packet_diag_ring pdr = {
.pdr_block_size = 0xabcdafed,
.pdr_block_nr = 0xbcadefae,
.pdr_frame_size = 0xcabdfeac,
.pdr_frame_nr = 0xdeaeadef,
.pdr_retire_tmo = 0xedbafeac,
.pdr_sizeof_priv = 0xfeadeacd,
.pdr_features = 0xadebadea
};
int fd = create_nl_socket(NETLINK_SOCK_DIAG);
const unsigned int hdrlen = sizeof(struct packet_diag_msg);
void *const nlh0 = midtail_alloc(NLMSG_SPACE(hdrlen),
NLA_HDRLEN + sizeof(dml));
static char pattern[4096];
fill_memory_ex(pattern, sizeof(pattern), 'a', 'z' - 'a' + 1);
TEST_NLATTR_OBJECT(fd, nlh0, hdrlen,
init_packet_diag_msg, print_packet_diag_msg,
PACKET_DIAG_INFO, pattern, pinfo,
printf("{pdi_index=%s", IFINDEX_LO_STR);
printf(", pdi_version=TPACKET_V3");
PRINT_FIELD_U(", ", pinfo, pdi_reserve);
PRINT_FIELD_U(", ", pinfo, pdi_copy_thresh);
PRINT_FIELD_U(", ", pinfo, pdi_tstamp);
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);
const unsigned int nla_type = 0xffff & NLA_TYPE_MASK;
char nla_type_str[256];
sprintf(nla_type_str, "%#x /* MDBA_MDB_ENTRY_??? */", nla_type);
TEST_NLATTR_(fd, nlh0 - NLA_HDRLEN * 2, hdrlen + NLA_HDRLEN * 2,
init_br_port_msg, print_br_port_msg,
nla_type, nla_type_str,
4, pattern, 4,
print_quoted_hex(pattern, 4);
printf("}}"));
# ifdef HAVE_STRUCT_BR_MDB_ENTRY
struct br_mdb_entry entry = {
.ifindex = ifindex_lo(),
.state = MDB_TEMPORARY,
# ifdef HAVE_STRUCT_BR_MDB_ENTRY_FLAGS
.flags = MDB_FLAGS_OFFLOAD,
# endif
# ifdef HAVE_STRUCT_BR_MDB_ENTRY_VID
.vid = 0xcdef,
# endif
.addr = {
.proto = htons(AF_UNSPEC)
}
};
memcpy(&entry.addr.u, pattern, sizeof(entry.addr.u));
TEST_NESTED_NLATTR_OBJECT_EX(fd, nlh0, hdrlen,
init_br_port_msg, print_br_port_msg,
MDBA_MDB_ENTRY_INFO, pattern, entry, 2,
printf("{ifindex=" IFINDEX_LO_STR);
printf(", state=MDB_TEMPORARY");
# ifdef HAVE_STRUCT_BR_MDB_ENTRY_FLAGS
printf(", flags=MDB_FLAGS_OFFLOAD");
# endif
# ifdef HAVE_STRUCT_BR_MDB_ENTRY_VID
PRINT_FIELD_U(", ", entry, vid);
# endif
printf(", addr={u=");
print_quoted_hex(&entry.addr.u,
sizeof(entry.addr.u));
printf(", proto=htons(AF_UNSPEC)}}"));
static const struct nlattr nla = {
.nla_len = sizeof(nla),
.nla_type = MDBA_MDB_EATTR_TIMER
};
char buf[NLMSG_ALIGN(sizeof(entry)) + sizeof(nla)];
memcpy(buf, &entry, sizeof(entry));
memcpy(buf + NLMSG_ALIGN(sizeof(entry)), &nla, sizeof(nla));
TEST_NLATTR(fd, nlh0 - NLA_HDRLEN * 2, hdrlen + NLA_HDRLEN * 2,
init_br_port_msg, print_br_port_msg,
MDBA_MDB_ENTRY_INFO, sizeof(buf), buf, sizeof(buf),
printf("{ifindex=" IFINDEX_LO_STR);
printf(", state=MDB_TEMPORARY");
# ifdef HAVE_STRUCT_BR_MDB_ENTRY_FLAGS
printf(", flags=MDB_FLAGS_OFFLOAD");
# endif
# ifdef HAVE_STRUCT_BR_MDB_ENTRY_VID
PRINT_FIELD_U(", ", entry, vid);
# endif
printf(", addr={u=");
print_quoted_hex(&entry.addr.u, sizeof(entry.addr.u));
printf(", proto=htons(AF_UNSPEC)}}"
", {nla_len=%u, nla_type=MDBA_MDB_EATTR_TIMER}}}",
nla.nla_len));
# endif /* HAVE_STRUCT_BR_MDB_ENTRY */
puts("+++ exited with 0 +++");
return 0;
}
#else
SKIP_MAIN_UNDEFINED("HAVE_STRUCT_BR_PORT_MSG")
static void
test_nlmsg_type(const int fd)
{
long rc;
struct nlmsghdr nlh = {
.nlmsg_len = sizeof(nlh),
.nlmsg_flags = NLM_F_REQUEST,
};
nlh.nlmsg_type = NFNL_SUBSYS_NFTABLES << 8 | NFT_MSG_NEWTABLE;
rc = sendto(fd, &nlh, nlh.nlmsg_len, MSG_DONTWAIT, NULL, 0);
printf("sendto(%d, {len=%u"
", type=NFNL_SUBSYS_NFTABLES<<8|NFT_MSG_NEWTABLE"
", flags=NLM_F_REQUEST, seq=0, pid=0}"
", %u, MSG_DONTWAIT, NULL, 0) = %s\n",
fd, nlh.nlmsg_len, nlh.nlmsg_len, sprintrc(rc));
nlh.nlmsg_type = NFNL_SUBSYS_NFTABLES << 8 | 0xff;
rc = sendto(fd, &nlh, nlh.nlmsg_len, MSG_DONTWAIT, NULL, 0);
printf("sendto(%d, {len=%u"
", type=NFNL_SUBSYS_NFTABLES<<8|0xff /* NFT_MSG_??? */"
", flags=NLM_F_REQUEST, seq=0, pid=0}"
", %u, MSG_DONTWAIT, NULL, 0) = %s\n",
fd, nlh.nlmsg_len, nlh.nlmsg_len, sprintrc(rc));
}
static void
test_nlmsg_flags(const int fd)
{
long rc;
struct nlmsghdr nlh = {
.nlmsg_len = sizeof(nlh),
};
nlh.nlmsg_type = NFNL_SUBSYS_NFTABLES << 8 | NFT_MSG_NEWTABLE;
nlh.nlmsg_flags = NLM_F_REQUEST | NLM_F_REPLACE;
rc = sendto(fd, &nlh, nlh.nlmsg_len, MSG_DONTWAIT, NULL, 0);
printf("sendto(%d, {len=%u"
", type=NFNL_SUBSYS_NFTABLES<<8|NFT_MSG_NEWTABLE"
", flags=NLM_F_REQUEST|NLM_F_REPLACE, seq=0, pid=0}"
", %u, MSG_DONTWAIT, NULL, 0) = %s\n",
fd, nlh.nlmsg_len, nlh.nlmsg_len, sprintrc(rc));
nlh.nlmsg_type = NFNL_SUBSYS_NFTABLES << 8 | NFT_MSG_GETTABLE;
nlh.nlmsg_flags = NLM_F_REQUEST | NLM_F_DUMP;
rc = sendto(fd, &nlh, nlh.nlmsg_len, MSG_DONTWAIT, NULL, 0);
printf("sendto(%d, {len=%u"
", type=NFNL_SUBSYS_NFTABLES<<8|NFT_MSG_GETTABLE"
", flags=NLM_F_REQUEST|NLM_F_DUMP, seq=0, pid=0}"
", %u, MSG_DONTWAIT, NULL, 0) = %s\n",
fd, nlh.nlmsg_len, nlh.nlmsg_len, sprintrc(rc));
nlh.nlmsg_type = NFNL_SUBSYS_NFTABLES << 8 | NFT_MSG_DELTABLE;
nlh.nlmsg_flags = NLM_F_REQUEST | NLM_F_NONREC;
rc = sendto(fd, &nlh, nlh.nlmsg_len, MSG_DONTWAIT, NULL, 0);
printf("sendto(%d, {len=%u"
", type=NFNL_SUBSYS_NFTABLES<<8|NFT_MSG_DELTABLE"
", flags=NLM_F_REQUEST|NLM_F_NONREC, seq=0, pid=0}"
", %u, MSG_DONTWAIT, NULL, 0) = %s\n",
fd, nlh.nlmsg_len, nlh.nlmsg_len, sprintrc(rc));
}
int
main(void)
{
skip_if_unavailable("/proc/self/fd/");
int fd = create_nl_socket(NETLINK_NETFILTER);
test_nlmsg_type(fd);
test_nlmsg_flags(fd);
puts("+++ exited with 0 +++");
return 0;
}
int32_t main(int32_t argc, char *argv[])
{
int res =0;
uint8_t *eventbuf = NULL;
uint8_t *dbgbuf = NULL;
int32_t c;
struct dbglog_slot *slot;
int cnss_intf_len = strlen(CNSS_INTF) + 1;
pthread_t thd_id;
progname = argv[0];
uint16_t diag_type = 0;
int32_t option_index = 0;
static struct option long_options[] = {
{"logfile", 1, NULL, 'f'},
{"reclimit", 1, NULL, 'r'},
{"console", 0, NULL, 'c'},
{"qxdm", 0, NULL, 'q'},
{"silent", 0, NULL, 's'},
{"debug", 0, NULL, 'd'},
{ 0, 0, 0, 0}
};
while (1) {
c = getopt_long (argc, argv, "f:scqdr:", long_options, &option_index);
if (c == -1) break;
switch (c) {
case 'f':
memset(dbglogoutfile, 0, PATH_MAX);
memcpy(dbglogoutfile, optarg, strlen(optarg));
optionflag |= LOGFILE_FLAG;
break;
case 'c':
optionflag |= CONSOLE_FLAG;
break;
case 'q':
optionflag |= QXDM_FLAG;
break;
case 'r':
rec_limit = strtoul(optarg, NULL, 0);
break;
case 's':
optionflag |= SILENT_FLAG;
break;
case 'd':
optionflag |= DEBUG_FLAG;
break;
default:
usage();
}
}
if (!(optionflag & (LOGFILE_FLAG | CONSOLE_FLAG | QXDM_FLAG | SILENT_FLAG
| DEBUG_FLAG))) {
usage();
return -1;
}
if (optionflag & QXDM_FLAG) {
/* Intialize the fd required for diag APIs */
if (TRUE != Diag_LSM_Init(NULL))
{
perror("Failed on Diag_LSM_Init\n");
return -1;
}
/* Register CALLABACK for QXDM input data */
DIAGPKT_DISPATCH_TABLE_REGISTER(DIAG_SUBSYS_WLAN, cnss_wlan_tbl);
#ifdef ANDROID
if(cnssdiagservice_cap_handle()) {
printf("Cap bouncing failed EXIT!!!");
exit(1);
}
#endif
}
pthread_create(&thd_id, NULL, &cnss_intf_wait_receive, NULL);
sock_fd = create_nl_socket();
if (sock_fd < 0) {
fprintf(stderr, "Socket creation failed sock_fd 0x%x \n", sock_fd);
return -1;
}
if (is_interface(CNSS_INTF, cnss_intf_len)) {
initialize(sock_fd);
cnssdiag_register_kernel_logging(sock_fd, nlh);
}
signal(SIGINT, stop);
signal(SIGTERM, stop);
if (optionflag & LOGFILE_FLAG) {
if (rec_limit < RECLEN) {
fprintf(stderr, "Too small maximum length (has to be >= %d)\n",
RECLEN);
close(sock_fd);
free(nlh);
return -1;
}
max_records = rec_limit;
printf("Storing last %d records\n", max_records);
log_out = fopen(dbglogoutfile, "w");
if (log_out == NULL) {
perror("Failed to create output file");
close(sock_fd);
free(nlh);
return -1;
}
fwlog_res_file = "./reorder";
}
parser_init();
while ( 1 ) {
if ((res = recvmsg(sock_fd, &msg, 0)) < 0)
continue;
if ((res >= (int)sizeof(struct dbglog_slot)) ||
(nlh->nlmsg_type == WLAN_NL_MSG_CNSS_HOST_EVENT_LOG)) {
process_cnss_diag_msg((tAniNlHdr *)nlh);
memset(nlh,0,NLMSG_SPACE(MAX_MSG_SIZE));
} else {
/* Ignore other messages that might be broadcast */
continue;
}
}
/* Release the handle to Diag*/
Diag_LSM_DeInit();
if (optionflag & LOGFILE_FLAG)
cleanup();
close(sock_fd);
free(nlh);
return 0;
}
int main(int argc, char* argv[])
{
int c, ret = -1;
char* log_file = NULL;
char* cpu_mask = NULL;
int rc, mode = 0, tid;
while ((c = getopt(argc, argv, "c:l:m:")) != -1) {
switch(c) {
case 'l' :
log_file = strdup(optarg);
break;
case 'c' :
cpu_mask = strdup(optarg);
break;
case 'm' :
if (strcmp(optarg, "1") == 0)
mode = 1;
else if (strcmp(optarg, "2") == 0)
mode = 2;
else if (strcmp(optarg, "3") == 0)
mode = 3;
break;
default :
fprintf(stderr, "unknown option %c\n", c);
exit(-1);
}
}
/*
* checking an dealing with input parameters
*/
if (log_file) {
if (!(f = fopen(log_file, "w"))) {
fprintf(stderr, "cannot open file\n");
goto out;
}
}
else {
f = stdout;
}
if (!mode) {
ERROR("must specify mode\n");
goto out;
}
if (!cpu_mask) {
ERROR("need to specify CPU type\n");
goto out;
}
/*
* setting up system stuff
*/
if ((pid_max = get_pid_max()) < 0) {
ERROR("unable to get pid_max\n");
goto out;
}
PRINTF("pid_max is %d\n", pid_max);
signal(SIGINT, sig_int_cb);
if ((nl_sd = create_nl_socket(NETLINK_GENERIC)) < 0) {
ERROR("error creating Netlink socket\n");
goto out;
}
/*
* register taskstats notifier
*/
fam_id = __get_family_id(nl_sd);
if (!fam_id) {
ERROR("Error getting family id, errno %d\n", errno);
goto out;
}
my_pid = getpid();
if ((rc = send_cmd(TASKSTATS_CMD_GET,
TASKSTATS_CMD_ATTR_REGISTER_CPUMASK, cpu_mask, strlen(cpu_mask))) < 0) {
ERROR("error sending register cpumask\n");
goto out;
}
/*
* now for the main loop
* modes of operations
* i) get all process stats and print
* ii) wait until receive signal (be polling for dead process in meantime)
* then get all process stats
* iii) get all process stats, then wait for signal and print diff
*/
if (mode == 1) {
fill_infos(infos1);
for (tid = 0; tid < pid_max; tid++) {
if (!infos1[tid])
continue;
print_taskstats(&infos1[tid]->t);
}
}
else if (mode == 2) {
PRINTF("waiting for signal\n");
while (!sig_int)
sleep(1);
fill_infos(infos1);
for (tid = 0; tid < pid_max; tid++) {
if (!infos1[tid])
continue;
print_taskstats(&infos1[tid]->t);
}
}
else if (mode == 3) {
struct timeval start_since_epoch;
struct timespec start, end;
static struct taskstats ts_tot = {0};
if (fill_infos(infos1) < 0) {
ERROR("error before start\n");
goto out;
}
if (clock_gettime(CLOCK_MONOTONIC, &start) < 0) {
ERROR("unable to get start time\n");
goto out;
}
if (gettimeofday(&start_since_epoch, NULL)) {
ERROR("unable to get start time since epoch\n");
goto out;
}
PRINTF("waiting for signal\n");
while (!sig_int) {
ret = recv_taskstats(MSG_DONTWAIT, infos2);
if (ret == 0 || ret == -EAGAIN) {
usleep(10000);
continue;
}
ERROR("unable to recv taskstats, %d\n", ret);
goto out;
}
if (fill_infos(infos2) < 0) {
ERROR("error at end\n");
goto out;
}
if (clock_gettime(CLOCK_MONOTONIC, &end) < 0) {
ERROR("unable to get end time\n");
goto out;
}
PRINTF("--- task dump start ---\n");
for (tid = 0; tid < pid_max; tid++) {
struct proc_info* p1 = infos1[tid];
struct proc_info* p2 = infos2[tid];
if (!(p1 || p2))
continue;
else if (p1 && p2) {
static struct taskstats ts;
diff_taskstats(&ts, &p2->t, &p1->t);
print_taskstats(&ts);
}
else if (p2) {
print_taskstats(&p2->t);
}
}
PRINTF("--- task dump end ---\n");
PRINTF("Start since epoch (s) %d\n", start_since_epoch.tv_sec);
PRINTF("Elapsed time (ns) %llu\n",
((long long)end.tv_sec - start.tv_sec) * 1000000000LL +
end.tv_nsec - start.tv_nsec);
}
out :
if (f != stdout)
fclose(f);
return ret;
}
