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Merge remote-tracking branch 'upstream/master' into security

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This commit is contained in:
Erik Boasson 2020-02-13 13:13:54 +01:00
commit 54fad0d601
11 changed files with 214 additions and 37 deletions
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3
.travis.yml
View file

@ -219,6 +219,9 @@ script:
;;
esac
- CYCLONEDDS_URI='<CycloneDDS><Domain><Internal><EnableExpensiveChecks>all</EnableExpensiveChecks><LivelinessMonitoring>true</LivelinessMonitoring></Internal><Tracing><Verbosity>config</Verbosity><OutputFile>stderr</OutputFile></Tracing></Domain></CycloneDDS>' ctest -j 4 --output-on-failure -T test -E '^CUnit_ddsrt_random_default_random$' -C ${BUILD_TYPE}
- if [ "${ASAN}" = "none" ]; then
${SHELL} ../src/tools/ddsperf/sanity.bash;
fi
- if [ "${ASAN}" != "none" ]; then
CMAKE_LINKER_FLAGS="-DCMAKE_LINKER_FLAGS=-fsanitize=${USE_SANITIZER}";
CMAKE_C_FLAGS="-DCMAKE_C_FLAGS=-fsanitize=${USE_SANITIZER}";

2
src/core/ddsc/src/dds_whc.c
View file

@ -1311,7 +1311,7 @@ static int whc_default_insert (struct whc *whc_generic, seqno_t max_drop_seq, se
newn->idxnode = idxn;
newn->idxnode_pos = idxn->headidx;
if (oldn && (whc->wrinfo.hdepth > 0 || oldn->seq <= max_drop_seq) && whc->wrinfo.tldepth > 0)
if (oldn && (whc->wrinfo.hdepth > 0 || oldn->seq <= max_drop_seq) && (!whc->wrinfo.is_transient_local || whc->wrinfo.tldepth > 0))
{
TRACE (" prune whcn %p", (void *)oldn);
assert (oldn != whc->maxseq_node || whc->wrinfo.has_deadline);

39
src/core/ddsc/tests/whc.c
View file

@ -110,27 +110,41 @@ static dds_entity_t create_and_sync_reader(dds_entity_t subscriber, dds_entity_t
return reader;
}
static void check_whc_state(dds_entity_t writer, seqno_t exp_min, seqno_t exp_max)
static void get_writer_whc_state (dds_entity_t writer, struct whc_state *whcst)
{
struct dds_entity *wr_entity;
struct writer *wr;
struct whc_state whcst;
CU_ASSERT_EQUAL_FATAL(dds_entity_pin(writer, &wr_entity), 0);
thread_state_awake(lookup_thread_state(), &wr_entity->m_domain->gv);
wr = entidx_lookup_writer_guid(wr_entity->m_domain->gv.entity_index, &wr_entity->m_guid);
CU_ASSERT_FATAL(wr != NULL);
assert(wr != NULL); /* for Clang's static analyzer */
whc_get_state(wr->whc, &whcst);
whc_get_state(wr->whc, whcst);
thread_state_asleep(lookup_thread_state());
dds_entity_unpin(wr_entity);
}
static void check_intermediate_whc_state(dds_entity_t writer, seqno_t exp_min, seqno_t exp_max)
{
struct whc_state whcst;
get_writer_whc_state (writer, &whcst);
/* WHC must not contain any samples < exp_min and must contain at least exp_max if it
contains at least one sample. (We never know for certain when ACKs arrive.) */
printf(" -- intermediate state: unacked: %zu; min %"PRId64" (exp %"PRId64"); max %"PRId64" (exp %"PRId64")\n", whcst.unacked_bytes, whcst.min_seq, exp_min, whcst.max_seq, exp_max);
CU_ASSERT_FATAL (whcst.min_seq >= exp_min || (whcst.min_seq == -1 && whcst.max_seq == -1));
CU_ASSERT_FATAL (whcst.max_seq == exp_max || (whcst.min_seq == -1 && whcst.max_seq == -1));
}
static void check_whc_state(dds_entity_t writer, seqno_t exp_min, seqno_t exp_max)
{
struct whc_state whcst;
get_writer_whc_state (writer, &whcst);
printf(" -- final state: unacked: %zu; min %"PRId64" (exp %"PRId64"); max %"PRId64" (exp %"PRId64")\n", whcst.unacked_bytes, whcst.min_seq, exp_min, whcst.max_seq, exp_max);
CU_ASSERT_EQUAL_FATAL (whcst.unacked_bytes, 0);
CU_ASSERT_EQUAL_FATAL (whcst.min_seq, exp_min);
CU_ASSERT_EQUAL_FATAL (whcst.max_seq, exp_max);
}
#define V DDS_DURABILITY_VOLATILE
#define TL DDS_DURABILITY_TRANSIENT_LOCAL
#define R DDS_RELIABILITY_RELIABLE
@ -191,6 +205,23 @@ static void test_whc_end_state(dds_durability_kind_t d, dds_reliability_kind_t r
ret = dds_write (writer, &sample_keyless);
CU_ASSERT_FATAL (ret == DDS_RETCODE_OK);
}
/* if history is truly keep last, there may never be more data present than the max of the
history depth(s) */
if (r == R && h != KA && (d == V || dh != KA))
{
if (rrd || d != V)
{
int32_t depth = (d == V || hd >= dhd) ? hd : dhd;
int32_t exp_max = ni * (s + 1);
int32_t exp_min = exp_max - ni * (depth - 1) - (ni - 1);
check_intermediate_whc_state (writer, exp_min, exp_max);
}
else
{
check_intermediate_whc_state (writer, -1, -1);
}
}
}
/* delete readers, wait until no matching reader */

2
src/core/ddsi/src/ddsi_ipaddr.c
View file

@ -13,6 +13,7 @@
#include <string.h>
#include "dds/ddsrt/endian.h"
#include "dds/ddsrt/heap.h"
#include "dds/ddsrt/log.h"
#include "dds/ddsrt/sockets.h"
#include "dds/ddsi/ddsi_ipaddr.h"
@ -103,6 +104,7 @@ enum ddsi_locator_from_string_result ddsi_ipaddr_from_string (ddsi_tran_factory_
return AFSR_UNKNOWN;
}
memcpy(&tmpaddr, &hent->addrs[0], sizeof(hent->addrs[0]));
ddsrt_free (hent);
#else
return AFSR_INVALID;
#endif

1
src/core/ddsi/src/ddsi_tcp.c
View file

@ -699,6 +699,7 @@ static bool ddsi_tcp_supports (const struct ddsi_tran_factory *fact_cmn, int32_t
static int ddsi_tcp_locator (struct ddsi_tran_factory *fact_cmn, ddsi_tran_base_t base, nn_locator_t *loc)
{
loc->tran = fact_cmn;
loc->kind = fact_cmn->m_kind;
memcpy(loc->address, base->gv->extloc.address, sizeof(loc->address));
loc->port = base->m_port;

1
src/ddsrt/src/atomics.c
View file

@ -243,6 +243,7 @@ int ddsrt_atomic_cas64 (volatile ddsrt_atomic_uint64_t *x, uint64_t exp, uint64_
}
#define DDSRT_FAKE_ATOMIC64(name, oper, ret) \
uint64_t ddsrt_atomic_##name##64_##ret (volatile ddsrt_atomic_uint64_t *x, uint64_t v); \
uint64_t ddsrt_atomic_##name##64_##ret (volatile ddsrt_atomic_uint64_t *x, uint64_t v) \
{ \
const uint64_t idx = atomic64_lock_index (x); \

68
src/ddsrt/src/ifaddrs/windows/ifaddrs.c
View file

@ -167,14 +167,37 @@ guess_iftype (const PIP_ADAPTER_ADDRESSES iface)
}
}
static int
static dds_return_t
copyname(const wchar_t *wstr, char **strp)
{
int cnt, len;
char buf[1], *str;
len = WideCharToMultiByte(
CP_UTF8, WC_ERR_INVALID_CHARS, wstr, -1, buf, 0, NULL, NULL);
if (len == 0) {
return DDS_RETCODE_BAD_PARAMETER;
} else if ((str = ddsrt_malloc_s(len)) == NULL) {
return DDS_RETCODE_OUT_OF_RESOURCES;
}
cnt = WideCharToMultiByte(
CP_UTF8, WC_ERR_INVALID_CHARS, wstr, -1, str, len, NULL, NULL);
assert(cnt == len);
assert(str[len - 1] == '\0');
*strp = str;
return DDS_RETCODE_OK;
}
static dds_return_t
copyaddr(
ddsrt_ifaddrs_t **ifap,
const PIP_ADAPTER_ADDRESSES iface,
const PMIB_IPADDRTABLE addrtable,
const PIP_ADAPTER_UNICAST_ADDRESS addr)
{
dds_return_t err = DDS_RETCODE_OK;
dds_return_t rc = DDS_RETCODE_OK;
ddsrt_ifaddrs_t *ifa;
struct sockaddr *sa;
size_t sz;
@ -187,15 +210,17 @@ copyaddr(
sz = (size_t)addr->Address.iSockaddrLength;
if ((ifa = ddsrt_calloc_s(1, sizeof(*ifa))) == NULL) {
err = DDS_RETCODE_OUT_OF_RESOURCES;
rc = DDS_RETCODE_OUT_OF_RESOURCES;
} else {
ifa->flags = getflags(iface);
ifa->type = guess_iftype(iface);
ifa->addr = ddsrt_memdup(sa, sz);
(void)ddsrt_asprintf(&ifa->name, "%wS", iface->FriendlyName);
if (ifa->addr == NULL || ifa->name == NULL) {
err = DDS_RETCODE_OUT_OF_RESOURCES;
} else if (ifa->addr->sa_family == AF_INET6) {
if ((ifa->addr = ddsrt_memdup(sa, sz)) == NULL) {
rc = DDS_RETCODE_OUT_OF_RESOURCES;
} else {
rc = copyname(iface->FriendlyName, &ifa->name);
}
if (ifa->addr->sa_family == AF_INET6) {
ifa->index = iface->Ipv6IfIndex;
/* Address is not in addrtable if the interface is not connected. */
@ -222,18 +247,18 @@ copyaddr(
if ((ifa->netmask = ddsrt_memdup(&nm, sz)) == NULL ||
(ifa->broadaddr = ddsrt_memdup(&bc, sz)) == NULL)
{
err = DDS_RETCODE_OUT_OF_RESOURCES;
rc = DDS_RETCODE_OUT_OF_RESOURCES;
}
}
}
if (err == 0) {
if (rc == DDS_RETCODE_OK) {
*ifap = ifa;
} else {
ddsrt_freeifaddrs(ifa);
}
return err;
return rc;
}
dds_return_t
@ -241,7 +266,7 @@ ddsrt_getifaddrs(
ddsrt_ifaddrs_t **ifap,
const int *afs)
{
int err = 0;
dds_return_t rc = DDS_RETCODE_OK;
int use;
PIP_ADAPTER_ADDRESSES ifaces = NULL, iface;
PIP_ADAPTER_UNICAST_ADDRESS addr = NULL;
@ -257,12 +282,15 @@ ddsrt_getifaddrs(
ifa = ifa_root = ifa_next = NULL;
if ((err = getifaces(&ifaces)) == DDS_RETCODE_OK &&
(err = getaddrtable(&addrtable)) == DDS_RETCODE_OK)
if ((rc = getifaces(&ifaces)) == DDS_RETCODE_OK &&
(rc = getaddrtable(&addrtable)) == DDS_RETCODE_OK)
{
for (iface = ifaces;
iface != NULL && rc == DDS_RETCODE_OK;
iface = iface->Next)
{
for (iface = ifaces; !err && iface != NULL; iface = iface->Next) {
for (addr = iface->FirstUnicastAddress;
addr != NULL;
addr != NULL && rc == DDS_RETCODE_OK;
addr = addr->Next)
{
sa = (struct sockaddr *)addr->Address.lpSockaddr;
@ -272,8 +300,8 @@ ddsrt_getifaddrs(
}
if (use) {
err = copyaddr(&ifa_next, iface, addrtable, addr);
if (err == DDS_RETCODE_OK) {
rc = copyaddr(&ifa_next, iface, addrtable, addr);
if (rc == DDS_RETCODE_OK) {
if (ifa == NULL) {
ifa = ifa_root = ifa_next;
} else {
@ -289,11 +317,11 @@ ddsrt_getifaddrs(
ddsrt_free(ifaces);
ddsrt_free(addrtable);
if (err == DDS_RETCODE_OK) {
if (rc == DDS_RETCODE_OK) {
*ifap = ifa_root;
} else {
ddsrt_freeifaddrs(ifa_root);
}
return err;
return rc;
}

11
src/tools/ddsperf/cputime.c
View file

@ -184,6 +184,11 @@ bool record_cputime (struct record_cputime_state *state, const char *prefix, dds
return print_cputime (&state->s, prefix, false, true);
}
double record_cputime_read_rss (const struct record_cputime_state *state)
{
return state->s.maxrss;
}
struct record_cputime_state *record_cputime_new (dds_entity_t wr)
{
ddsrt_thread_list_id_t tids[100];
@ -251,6 +256,12 @@ bool record_cputime (struct record_cputime_state *state, const char *prefix, dds
(void) tnow;
}
double record_cputime_read_rss (const struct record_cputime_state *state)
{
(void) state;
return 0.0;
}
struct record_cputime_state *record_cputime_new (dds_entity_t wr)
{
(void) wr;

1
src/tools/ddsperf/cputime.h
View file

@ -19,6 +19,7 @@ struct record_cputime_state;
struct record_cputime_state *record_cputime_new (dds_entity_t wr);
void record_cputime_free (struct record_cputime_state *state);
bool record_cputime (struct record_cputime_state *state, const char *prefix, dds_time_t tnow);
double record_cputime_read_rss (const struct record_cputime_state *state);
bool print_cputime (const struct CPUStats *s, const char *prefix, bool print_host, bool is_fresh);
#endif

100
src/tools/ddsperf/ddsperf.c
View file

@ -151,6 +151,18 @@ static dds_duration_t ping_intv;
pongs had been received */
static uint32_t ping_timeouts = 0;
/* Maximum allowed increase in RSS between 2nd RSS sample and
final RSS sample: final one must be <=
init * (1 + rss_factor/100) + rss_term */
static bool rss_check = false;
static double rss_factor = 0;
static double rss_term = 0;
/* Minimum number of samples, minimum number of roundtrips to
declare the run a success */
static uint64_t min_received = 0;
static uint64_t min_roundtrips = 0;
static ddsrt_mutex_t disc_lock;
/* Publisher statistics and lock protecting it */
@ -207,6 +219,7 @@ struct subthread_arg_pongstat {
uint64_t min, max;
uint64_t sum;
uint32_t cnt;
uint64_t totcnt;
uint64_t *raw;
};
@ -733,6 +746,7 @@ static bool update_roundtrip (dds_instance_handle_t pubhandle, uint64_t tdelta,
if (x->cnt < PINGPONG_RAWSIZE)
x->raw[x->cnt] = tdelta;
x->cnt++;
x->totcnt++;
ddsrt_mutex_unlock (&pongstat_lock);
return allseen;
}
@ -742,6 +756,7 @@ static bool update_roundtrip (dds_instance_handle_t pubhandle, uint64_t tdelta,
x->pphandle = get_pphandle_for_pubhandle (pubhandle);
x->min = x->max = x->sum = tdelta;
x->cnt = 1;
x->totcnt = 1;
x->raw = malloc (PINGPONG_RAWSIZE * sizeof (*x->raw));
x->raw[0] = tdelta;
npongstat++;
@ -1343,7 +1358,7 @@ static int cmp_uint64 (const void *va, const void *vb)
return (*a == *b) ? 0 : (*a < *b) ? -1 : 1;
}
static void print_stats (dds_time_t tref, dds_time_t tnow, dds_time_t tprev, struct record_cputime_state *cputime_state, struct record_netload_state *netload_state)
static bool print_stats (dds_time_t tref, dds_time_t tnow, dds_time_t tprev, struct record_cputime_state *cputime_state, struct record_netload_state *netload_state)
{
char prefix[128];
const double ts = (double) (tnow - tref) / 1e9;
@ -1469,6 +1484,7 @@ static void print_stats (dds_time_t tref, dds_time_t tnow, dds_time_t tprev, str
if (output)
record_netload (netload_state, prefix, tnow);
fflush (stdout);
return output;
}
static void subthread_arg_init (struct subthread_arg *arg, dds_entity_t rd, uint32_t max_samples)
@ -1555,8 +1571,14 @@ OPTIONS:\n\
-d DEV:BW report network load for device DEV with nominal\n\
bandwidth BW in bits/s (e.g., eth0:1e9)\n\
-D DUR run for at most DUR seconds\n\
-N COUNT require at least COUNT matching participants\n\
-M DUR require those participants to match within DUR seconds\n\
-Q KEY:VAL set success criteria\n\
rss:X%% max allowed increase in RSS, in %%\n\
rss:X max allowed increase in RSS, in MB\n\
samples:N min received messages by \"sub\"\n\
roundtrips:N min roundtrips for \"pong\"\n\
minmatch:N require >= N matching participants\n\
maxwait:DUR require those participants to match\n\
within DUR seconds\n\
-R TREF timestamps in the output relative to TREF instead of\n\
process start\n\
-i ID use domain ID instead of the default domain\n\
@ -1867,7 +1889,7 @@ int main (int argc, char *argv[])
argv0 = argv[0];
while ((opt = getopt (argc, argv, "cd:D:i:n:k:uLK:T:M:N:R:h")) != EOF)
while ((opt = getopt (argc, argv, "cd:D:i:n:k:uLK:T:Q:R:h")) != EOF)
{
switch (opt)
{
@ -1897,11 +1919,28 @@ int main (int argc, char *argv[])
else if (strcmp (optarg, "UK1024") == 0) topicsel = UK1024;
else error3 ("%s: unknown topic\n", optarg);
break;
case 'M': maxwait = atof (optarg); if (maxwait <= 0) maxwait = HUGE_VAL; break;
case 'N': minmatch = (unsigned) atoi (optarg); break;
case 'Q': {
int pos;
double d;
unsigned long n;
if (sscanf (optarg, "rss:%lf%n", &d, &pos) == 1 && (optarg[pos] == 0 || optarg[pos] == '%')) {
if (optarg[pos] == 0) rss_term = d * 1048576.0; else rss_factor = 1.0 + d / 100.0;
rss_check = true;
} else if (sscanf (optarg, "samples:%lu%n", &n, &pos) == 1 && optarg[pos] == 0) {
min_received = (uint64_t) n;
} else if (sscanf (optarg, "roundtrips:%lu%n", &n, &pos) == 1 && optarg[pos] == 0) {
min_roundtrips = (uint64_t) n;
} else if (sscanf (optarg, "maxwait:%lf%n", &maxwait, &pos) == 1 && optarg[pos] == 0) {
maxwait = (maxwait <= 0) ? HUGE_VAL : maxwait;
} else if (sscanf (optarg, "minmatch:%lu%n", &n, &pos) == 1 && optarg[pos] == 0) {
minmatch = (uint32_t) n;
} else {
error3 ("-Q%s: invalid success criterium\n", optarg);
}
break;
}
case 'R': tref = 0; sscanf (optarg, "%"SCNd64, &tref); break;
case 'h': usage (); break;
default: error3 ("-%c: unknown option\n", opt); break;
case 'h': default: usage (); break;
}
}
@ -2006,11 +2045,17 @@ int main (int argc, char *argv[])
/* participants reader must exist before the "publication matched" or "subscription matched"
listener is invoked, or it won't be able to get the details (FIXME: even the DDS spec
has convenience functions for that ...) */
if ((rd_participants = dds_create_reader (dp, DDS_BUILTIN_TOPIC_DCPSPARTICIPANT, NULL, NULL)) < 0)
error2 ("dds_create_reader(participants) failed: %d\n", (int) rd_participants);
/* set listener later: DATA_AVAILABLE still has the nasty habit of potentially triggering
before the reader is accessible to the application via its handle */
listener = dds_create_listener (NULL);
dds_lset_data_available (listener, participant_data_listener);
if ((rd_participants = dds_create_reader (dp, DDS_BUILTIN_TOPIC_DCPSPARTICIPANT, NULL, listener)) < 0)
error2 ("dds_create_reader(participants) failed: %d\n", (int) rd_participants);
dds_set_listener (rd_participants, listener);
dds_delete_listener (listener);
/* then there is the matter of data arriving prior to setting the listener ... this state
of affairs is undoubtedly a bug */
participant_data_listener (rd_participants, NULL);
if ((rd_subscriptions = dds_create_reader (dp, DDS_BUILTIN_TOPIC_DCPSSUBSCRIPTION, NULL, NULL)) < 0)
error2 ("dds_create_reader(subscriptions) failed: %d\n", (int) rd_subscriptions);
if ((rd_publications = dds_create_reader (dp, DDS_BUILTIN_TOPIC_DCPSPUBLICATION, NULL, NULL)) < 0)
@ -2155,7 +2200,7 @@ int main (int argc, char *argv[])
const bool pingpong_waitset = (ping_intv != DDS_NEVER && ignorelocal == DDS_IGNORELOCAL_NONE) || pingpongmode == SM_WAITSET;
if (pingpong_waitset)
{
ddsrt_thread_create (&subpingtid, "ping", &attr, subpingthread_waitset, &subarg_pong);
ddsrt_thread_create (&subpingtid, "ping", &attr, subpingthread_waitset, &subarg_ping);
ddsrt_thread_create (&subpongtid, "pong", &attr, subpongthread_waitset, &subarg_pong);
}
else
@ -2179,6 +2224,7 @@ int main (int argc, char *argv[])
dds_time_t tnext = tstart + DDS_SECS (1);
dds_time_t tlast = tstart;
dds_time_t tnextping = (ping_intv == DDS_INFINITY) ? DDS_NEVER : (ping_intv == 0) ? tstart + DDS_SECS (1) : tstart + ping_intv;
double rss_init = 0.0, rss_final = 0.0;
while (!ddsrt_atomic_ld32 (&termflag) && tnow < tstop)
{
dds_time_t twakeup = DDS_NEVER;
@ -2244,12 +2290,17 @@ int main (int argc, char *argv[])
tnow = dds_time ();
if (tnext <= tnow)
{
print_stats (tref, tnow, tlast, cputime_state, netload_state);
bool output;
output = print_stats (tref, tnow, tlast, cputime_state, netload_state);
tlast = tnow;
if (tnow > tnext + DDS_MSECS (500))
tnext = tnow + DDS_SECS (1);
else
tnext += DDS_SECS (1);
if (rss_init == 0.0 && matchcount >= minmatch && output)
rss_init = record_cputime_read_rss (cputime_state);
rss_final = record_cputime_read_rss (cputime_state);
}
/* If a "real" ping doesn't result in the expected number of pongs within a reasonable
@ -2317,8 +2368,13 @@ int main (int argc, char *argv[])
dds_delete (rd_data);
uint64_t nlost = 0;
bool received_ok = true;
for (uint32_t i = 0; i < eseq_admin.nph; i++)
{
nlost += eseq_admin.stats[i].nlost;
if (eseq_admin.stats[i].nrecv < (uint64_t) min_received)
received_ok = false;
}
fini_eseq_admin (&eseq_admin);
subthread_arg_fini (&subarg_data);
subthread_arg_fini (&subarg_ping);
@ -2330,8 +2386,13 @@ int main (int argc, char *argv[])
ddsrt_mutex_destroy (&pubstat_lock);
hist_free (pubstat_hist);
free (pongwr);
bool roundtrips_ok = true;
for (uint32_t i = 0; i < npongstat; i++)
{
if (pongstat[i].totcnt < min_roundtrips)
roundtrips_ok = false;
free (pongstat[i].raw);
}
free (pongstat);
bool ok = true;
@ -2360,5 +2421,20 @@ int main (int argc, char *argv[])
printf ("[%"PRIdPID"] error: %"PRIu64" samples lost\n", ddsrt_getpid (), nlost);
ok = false;
}
if (!roundtrips_ok)
{
printf ("[%"PRIdPID"] error: too few roundtrips for some peers\n", ddsrt_getpid ());
ok = false;
}
if (!received_ok)
{
printf ("[%"PRIdPID"] error: too few samples received from some peers\n", ddsrt_getpid ());
ok = false;
}
if (rss_check && rss_final >= rss_init * rss_factor + rss_term)
{
printf ("[%"PRIdPID"] error: RSS grew too much (%f -> %f)\n", ddsrt_getpid (), rss_init, rss_final);
ok = false;
}
return ok ? 0 : 1;
}

23
src/tools/ddsperf/sanity.bash Executable file
View file

@ -0,0 +1,23 @@
exitcode=0
# RSS/samples/roundtrip numbers are based on experimentation on Travis
bin/ddsperf -L -D10 -n10 -Qminmatch:2 -Qrss:10% -Qrss:0.5 -Qsamples:300000 -Qroundtrips:3000 sub ping & ddsperf_pids=$!
bin/ddsperf -L -D10 -n10 -Qminmatch:2 -Qrss:10% -Qrss:0.5 pub & ddsperf_pids="$ddsperf_pids $!"
sleep 11
for pid in $ddsperf_pids ; do
if kill -0 $pid 2>/dev/null ; then
echo "killing process $pid"
kill -9 $pid
exitcode=2
fi
wait $pid
x=$?
if [[ $x -gt $exitcode ]] ; then
exitcode=$x
fi
done
if [[ $exitcode -gt 0 ]] ; then
echo "** FAILED **"
else
echo "** OK **"
fi
exit $exitcode