int flux_recover (flux_t h, int rank)
{
uint32_t nodeid = (rank == -1 ? FLUX_NODEID_ANY : rank);
JSON response = NULL;
int rc = -1;
if (flux_json_rpc (h, nodeid, "live.recover", NULL, &response) < 0)
goto done;
rc = 0;
done:
Jput (response);
return rc;
}
/* The req.clog request will not be answered until req.flush is called.
*/
static int stuck_request_cb (flux_t h, int typemask, zmsg_t **zmsg, void *arg)
{
if (flux_json_rpc (h, FLUX_NODEID_ANY, "req.clog", NULL, NULL) < 0) {
flux_log (h, LOG_ERR, "%s: req.clog RPC: %s", __FUNCTION__,
strerror (errno));
return -1;
}
if (flux_err_respond (h, 0, zmsg) < 0) {
flux_log (h, LOG_ERR, "%s: responding: %s", __FUNCTION__,
strerror (errno));
return -1;
}
return 0;
}
static int op_event_unsubscribe (void *impl, const char *topic)
{
ctx_t *ctx = impl;
assert (ctx->magic == MODHANDLE_MAGIC);
JSON in = Jnew ();
int rc = -1;
if (connect_socket (ctx) < 0)
goto done;
Jadd_str (in, "topic", topic);
if (flux_json_rpc (ctx->h, FLUX_NODEID_ANY, "cmb.unsub", in, NULL) < 0)
goto done;
rc = 0;
done:
Jput (in);
return rc;
}
static int wait_for_lwj_watch_init (flux_t h, int64_t id)
{
int rc;
json_object *rpc_o;
json_object *rpc_resp;
rpc_o = util_json_object_new_object ();
util_json_object_add_string (rpc_o, "key", "lwj.next-id");
util_json_object_add_int64 (rpc_o, "val", id);
rc = flux_json_rpc (h, FLUX_NODEID_ANY, "sim_sched.lwj-watch", rpc_o, &rpc_resp);
if (rc >= 0) {
util_json_object_get_int (rpc_resp, "rc", &rc);
json_object_put (rpc_resp);
}
json_object_put (rpc_o);
return rc;
}
/*
* Tree-wide call for lwj_next_id. If not treeroot forward request
* up the tree. Otherwise increment jobid and return result.
*/
static unsigned long lwj_next_id (flux_t h)
{
unsigned long ret;
if (flux_rank (h) == 0)
ret = increment_jobid (h);
else {
json_object *na = json_object_new_object ();
json_object *o = NULL;
if (flux_json_rpc (h, FLUX_NODEID_ANY, "job.next-id", na, &o) < 0
|| util_json_object_get_int64 (o, "id", (int64_t *) &ret) < 0) {
err ("lwj_next_id: Bad object!");
ret = 0;
}
json_object_put (o);
json_object_put (na);
}
return (ret);
}
static flux_msg_t *op_recv (void *impl, int flags)
{
ctx_t *ctx = impl;
assert (ctx->magic == MODHANDLE_MAGIC);
zmq_pollitem_t zp = {
.events = ZMQ_POLLIN, .socket = ctx->sock, .revents = 0, .fd = -1,
};
flux_msg_t *msg = NULL;
if (connect_socket (ctx) < 0)
goto done;
if ((flags & FLUX_O_NONBLOCK)) {
int n;
if ((n = zmq_poll (&zp, 1, 0L)) < 0)
goto done; /* likely: EWOULDBLOCK | EAGAIN */
assert (n == 1);
assert (zp.revents == ZMQ_POLLIN);
}
msg = zmsg_recv (ctx->sock);
done:
return msg;
}
static int op_event_subscribe (void *impl, const char *topic)
{
ctx_t *ctx = impl;
assert (ctx->magic == MODHANDLE_MAGIC);
JSON in = Jnew ();
int rc = -1;
if (connect_socket (ctx) < 0)
goto done;
Jadd_str (in, "topic", topic);
if (flux_json_rpc (ctx->h, FLUX_NODEID_ANY, "cmb.sub", in, NULL) < 0)
goto done;
rc = 0;
done:
Jput (in);
return rc;
}
