Fix detecting remote ping/pong writers in ddsperf

The status mask on some readers got reduced to just "data available"
when used in conjunction with a waitset, but the consequence is that the
"subscription matched" listener would be suppressed.

Signed-off-by: Erik Boasson <eb@ilities.com>
This commit is contained in:
Erik Boasson 2020-02-11 11:59:26 +01:00 committed by eboasson
parent ab7c95e02f
commit b84eee5abb

View file

@ -969,18 +969,24 @@ static void maybe_send_new_ping (dds_time_t tnow, dds_time_t *tnextping)
}
}
static uint32_t subthread_waitset (void *varg)
static dds_entity_t make_reader_waitset (dds_entity_t rd)
{
struct subthread_arg * const arg = varg;
dds_entity_t ws;
int32_t rc;
ws = dds_create_waitset (dp);
if ((rc = dds_waitset_attach (ws, termcond, 0)) < 0)
error2 ("dds_waitset_attach (termcond, 0): %d\n", (int) rc);
if ((rc = dds_set_status_mask (rd_data, DDS_DATA_AVAILABLE_STATUS)) < 0)
error2 ("dds_set_status_mask (rd_data, DDS_DATA_AVAILABLE_STATUS): %d\n", (int) rc);
if ((rc = dds_waitset_attach (ws, rd_data, 1)) < 0)
error2 ("dds_waitset_attach (ws, rd_data, 1): %d\n", (int) rc);
if ((rc = dds_set_status_mask (rd, DDS_DATA_AVAILABLE_STATUS | DDS_SUBSCRIPTION_MATCHED_STATUS)) < 0)
error2 ("dds_set_status_mask (rd, DDS_DATA_AVAILABLE_STATUS | DDS_SUBSCRIPTION_MATCHED_STATUS): %d\n", (int) rc);
if ((rc = dds_waitset_attach (ws, rd, 1)) < 0)
error2 ("dds_waitset_attach (ws, rd, 1): %d\n", (int) rc);
return ws;
}
static uint32_t subthread_waitset (void *varg)
{
struct subthread_arg * const arg = varg;
dds_entity_t ws = make_reader_waitset (rd_data);
while (!ddsrt_atomic_ld32 (&termflag))
{
if (!process_data (rd_data, arg))
@ -998,15 +1004,7 @@ static uint32_t subthread_waitset (void *varg)
static uint32_t subpingthread_waitset (void *varg)
{
struct subthread_arg * const arg = varg;
dds_entity_t ws;
int32_t rc;
ws = dds_create_waitset (dp);
if ((rc = dds_waitset_attach (ws, termcond, 0)) < 0)
error2 ("dds_waitset_attach (termcond, 0): %d\n", (int) rc);
if ((rc = dds_set_status_mask (rd_ping, DDS_DATA_AVAILABLE_STATUS)) < 0)
error2 ("dds_set_status_mask (rd_ping, DDS_DATA_AVAILABLE_STATUS): %d\n", (int) rc);
if ((rc = dds_waitset_attach (ws, rd_ping, 1)) < 0)
error2 ("dds_waitset_attach (ws, rd_ping, 1): %d\n", (int) rc);
dds_entity_t ws = make_reader_waitset (rd_ping);
while (!ddsrt_atomic_ld32 (&termflag))
{
int32_t nxs;
@ -1020,15 +1018,7 @@ static uint32_t subpingthread_waitset (void *varg)
static uint32_t subpongthread_waitset (void *varg)
{
struct subthread_arg * const arg = varg;
dds_entity_t ws;
int32_t rc;
ws = dds_create_waitset (dp);
if ((rc = dds_waitset_attach (ws, termcond, 0)) < 0)
error2 ("dds_waitset_attach (termcond, 0): %d\n", (int) rc);
if ((rc = dds_set_status_mask (rd_pong, DDS_DATA_AVAILABLE_STATUS)) < 0)
error2 ("dds_set_status_mask (rd_pong, DDS_DATA_AVAILABLE_STATUS): %d\n", (int) rc);
if ((rc = dds_waitset_attach (ws, rd_pong, 1)) < 0)
error2 ("dds_waitset_attach (ws, rd_pong, 1): %d\n", (int) rc);
dds_entity_t ws = make_reader_waitset (rd_pong);
while (!ddsrt_atomic_ld32 (&termflag))
{
int32_t nxs;
@ -1101,7 +1091,7 @@ static dds_entity_t create_pong_writer (dds_instance_handle_t pphandle, const st
return wr_pong;
}
static void delete_pong_writer (dds_instance_handle_t pphandle)
static dds_entity_t delete_pong_writer (dds_instance_handle_t pphandle)
{
uint32_t i = 0;
dds_entity_t wr_pong = 0;
@ -1118,8 +1108,7 @@ static void delete_pong_writer (dds_instance_handle_t pphandle)
}
}
ddsrt_mutex_unlock (&pongwr_lock);
if (wr_pong)
dds_delete (wr_pong);
return wr_pong;
}
static void free_ppant (void *vpp)
@ -1143,6 +1132,7 @@ static void participant_data_listener (dds_entity_t rd, void *arg)
if (info.instance_state != DDS_ALIVE_INSTANCE_STATE)
{
ddsrt_avl_dpath_t dpath;
dds_entity_t pong_wr_to_del = 0;
ddsrt_mutex_lock (&disc_lock);
if ((pp = ddsrt_avl_lookup_dpath (&ppants_td, &ppants, &info.instance_handle, &dpath)) != NULL)
{
@ -1151,7 +1141,7 @@ static void participant_data_listener (dds_entity_t rd, void *arg)
if (pp->handle != dp_handle || ignorelocal == DDS_IGNORELOCAL_NONE)
{
delete_pong_writer (pp->handle);
pong_wr_to_del = delete_pong_writer (pp->handle);
n_pong_expected_delta--;
}
@ -1161,6 +1151,7 @@ static void participant_data_listener (dds_entity_t rd, void *arg)
free_ppant (pp);
}
ddsrt_mutex_unlock (&disc_lock);
dds_delete (pong_wr_to_del);
}
else
{
@ -1171,6 +1162,7 @@ static void participant_data_listener (dds_entity_t rd, void *arg)
/* only add unknown participants with the magic user_data value: DDSPerf:X:HOSTNAME, where X is decimal */
if (dds_qget_userdata (sample->qos, &vudata, &usz) && usz > 0)
{
bool make_pongwr = false;
const char *udata = vudata;
int has_reader, pos;
long pid;
@ -1199,15 +1191,17 @@ static void participant_data_listener (dds_entity_t rd, void *arg)
ddsrt_fibheap_insert (&ppants_to_match_fhd, &ppants_to_match, pp);
ddsrt_avl_insert_ipath (&ppants_td, &ppants, pp, &ipath);
if (pp->handle != dp_handle || ignorelocal == DDS_IGNORELOCAL_NONE)
{
struct guidstr guidstr;
make_guidstr (&guidstr, &sample->key);
create_pong_writer (pp->handle, &guidstr);
n_pong_expected_delta++;
}
make_pongwr = (pp->handle != dp_handle || ignorelocal == DDS_IGNORELOCAL_NONE);
}
ddsrt_mutex_unlock (&disc_lock);
if (make_pongwr)
{
struct guidstr guidstr;
make_guidstr (&guidstr, &sample->key);
create_pong_writer (pp->handle, &guidstr);
n_pong_expected_delta++;
}
}
dds_free (vudata);
}
@ -1312,8 +1306,8 @@ static void subscription_matched_listener (dds_entity_t rd, const dds_subscripti
static void publication_matched_listener (dds_entity_t wr, const dds_publication_matched_status_t status, void *arg)
{
/* this only works because the listener is called for every match; but I don't think that is something the
spec guarantees, and I don't think Cyclone should guarantee that either -- and if it isn't guaranteed
_really_ needs the get_matched_... interfaces to not have to implement the matching logic ... */
spec guarantees, and I don't think Cyclone should guarantee that either -- and if it isn't guaranteed
_really_ needs the get_matched_... interfaces to not have to implement the matching logic ... */
(void) wr;
if (status.current_count_change > 0)
{
@ -1326,8 +1320,8 @@ static void publication_matched_listener (dds_entity_t wr, const dds_publication
static void set_data_available_listener (dds_entity_t rd, const char *rd_name, dds_on_data_available_fn fn, void *arg)
{
/* This convoluted code is so that we leave all listeners unchanged, except the
data_available one. There is no real need for these complications, but it is
a nice exercise. */
data_available one. There is no real need for these complications, but it is
a nice exercise. */
dds_listener_t *listener = dds_create_listener (arg);
dds_return_t rc;
dds_lset_data_available (listener, fn);