zframe_t *
zmsg_last (zmsg_t *self)
{
assert (self);
zframe_t *frame = (zframe_t *) zlist_first (self->frames);
while (frame) {
zframe_t *next = (zframe_t *) zlist_next (self->frames);
if (!next)
break;
frame = next;
}
return frame;
}
static
int rabbitmq_setup_queues(amqp_connection_state_t conn, zlist_t* streams)
{
amqp_channel_t channel = 1;
char *stream = zlist_first(streams);
while (stream) {
rabbitmq_add_queue(conn, &channel, stream);
stream = zlist_next(streams);
}
return channel;
}
static void
s_timer_remove (zloop_t *self, int timer_id)
{
s_timer_t *timer = (s_timer_t *) zlist_first (self->timers);
while (timer) {
if (timer->timer_id == timer_id) {
zlist_remove (self->timers, timer);
free (timer);
break;
}
timer = (s_timer_t *) zlist_next (self->timers);
}
}
static zsync_peer_t *
zsync_node_peers_lookup (zsync_node_t *self, char *uuid)
{
assert (self);
zsync_peer_t *peer = zlist_first (self->peers);
while (peer) {
if (streq (zsync_peer_uuid (peer), uuid)) {
return peer;
}
peer = zlist_next (self->peers);
}
return NULL;
}
static int invoke_cbs (flux_t *h, int64_t j, json_object *jcb, int errnum)
{
int rc = 0;
cb_pair_t *c = NULL;
jscctx_t *ctx = getctx (h);
for (c = zlist_first (ctx->callbacks); c; c = zlist_next (ctx->callbacks)) {
if (c->cb (jcb, c->arg, errnum) < 0) {
flux_log (h, LOG_ERR, "callback returns an error");
rc = -1;
}
}
return rc;
}
END_TEST
// --------------------------------------------------------------------------
/// Try to _pop () two succeesding lists
START_TEST(test_msg_pop_l_double)
{
sam_selftest_introduce ("test_msg_pop_l_double");
sam_selftest_introduce ("test_msg_get_l_double");
zmsg_t *zmsg = zmsg_new ();
if (zmsg_pushstr (zmsg, "two") ||
zmsg_pushstr (zmsg, "1") ||
zmsg_pushstr (zmsg, "one") ||
zmsg_pushstr (zmsg, "1")) {
ck_abort_msg ("could not build zmsg");
}
sam_msg_t *msg = sam_msg_new (&zmsg);
ck_assert_int_eq (sam_msg_size (msg), 4);
zlist_t *list1, *list2;
int rc = sam_msg_pop (msg, "ll", &list1, &list2);
ck_assert_int_eq (rc, 0);
ck_assert_int_eq (sam_msg_size (msg), 0);
ck_assert_int_eq (zlist_size (list1), 1);
ck_assert_int_eq (zlist_size (list2), 1);
ck_assert_str_eq (zlist_first (list1), "one");
ck_assert_str_eq (zlist_first (list2), "two");
zlist_destroy (&list1);
zlist_destroy (&list2);
sam_msg_destroy (&msg);
}
static void
s_worker_ready (worker_t *self, zlist_t *workers)
{
worker_t *worker = (worker_t *) zlist_first (workers);
while (worker) {
if (streq (self->identity, worker->identity)) {
zlist_remove (workers, worker);
s_worker_destroy (&worker);
break;
}
worker = (worker_t *) zlist_next (workers);
}
zlist_append (workers, self);
}
// If message was already on pending list, remove it and return true,
// else return false.
static int
s_was_pending (clonesrv_t *self, kvmsg_t *kvmsg)
{
kvmsg_t *held = (kvmsg_t *) zlist_first (self->pending);
while (held) {
if (memcmp (kvmsg_uuid (kvmsg),
kvmsg_uuid (held), sizeof (uuid_t)) == 0) {
zlist_remove (self->pending, held);
return true;
}
held = (kvmsg_t *) zlist_next (self->pending);
}
return false;
}
void
pass_update (char *sender, zlist_t *fmetadata)
{
printf ("[ST] PASS_UPDATE from %s: %"PRId64"\n", sender, zlist_size (fmetadata));
uint64_t size = 0;
zlist_t *paths = zlist_new ();
zs_fmetadata_t *meta = zlist_first (fmetadata);
while (meta) {
zlist_append (paths, zs_fmetadata_path (meta));
size += zs_fmetadata_size (meta);
meta = zlist_next (fmetadata);
}
zsync_agent_send_request_files (agent, sender, paths, size);
}
halutils_err_e disp_table_remove_all (disp_table_t *self)
{
assert (self);
zlist_t *hash_keys = zhash_keys (self->table_h);
void * table_item = zlist_first (hash_keys);
for (; table_item; table_item = zlist_next (hash_keys)) {
zhash_delete (self->table_h, (char *) table_item);
}
zlist_destroy (&hash_keys);
return HALUTILS_SUCCESS;
}
const char *flux_kvsitr_next (flux_kvsitr_t *itr)
{
const char *name = NULL;
if (itr) {
if (itr->reset)
name = zlist_first (itr->keys);
else
name = zlist_next (itr->keys);
if (name)
itr->reset = false;
}
return name;
}
static int subprocess_run_hooks (struct subprocess *p, zlist_t *hooks)
{
subprocess_cb_f fn = zlist_first (hooks);
int rc = 0;
subprocess_ref (p);
while (fn) {
if ((rc = fn (p)) < 0)
goto done;
fn = zlist_next (hooks);
}
done:
subprocess_unref (p);
return (rc);
}
void
zcertstore_fprint (zcertstore_t *self, FILE *file)
{
if (self->location)
fprintf (file, "Certificate store at %s:\n", self->location);
else
fprintf (file, "Certificate store\n");
zcert_t *cert = (zcert_t *) zlist_first (self->cert_list);
while (cert) {
zcert_fprint (cert, file);
cert = (zcert_t *) (zcert_t *) zlist_next (self->cert_list);
}
}
void
zctx_destroy (zctx_t **self_p)
{
assert (self_p);
if (*self_p) {
zctx_t *self = *self_p;
while (zlist_size (self->sockets))
zctx__socket_destroy (self, zlist_first (self->sockets));
zlist_destroy (&self->sockets);
if (self->main && self->context)
zmq_term (self->context);
free (self);
*self_p = NULL;
}
}
static void
mount_sub_purge (mount_t *self, client_t *client)
{
sub_t *sub = (sub_t *) zlist_first (self->subs);
while (sub) {
if (sub->client == client) {
sub_t *next = (sub_t *) zlist_next (self->subs);
zlist_remove (self->subs, sub);
sub_destroy (&sub);
sub = next;
}
else
sub = (sub_t *) zlist_next (self->subs);
}
}
static bool subscription_match (client_t *c, const flux_msg_t *msg)
{
subscription_t *sub;
const char *topic;
if (flux_msg_get_topic (msg, &topic) < 0)
return false;
sub = zlist_first (c->subscriptions);
while (sub) {
if (!strncmp (topic, sub->topic, strlen (sub->topic)))
return true;
sub = zlist_next (c->subscriptions);
}
return false;
}
void
zloop_poller_set_tolerant (zloop_t *self, zmq_pollitem_t *item)
{
assert (self);
assert (item->socket || item->fd);
// Find matching poller(s) and mark as tolerant
s_poller_t *poller = (s_poller_t *) zlist_first (self->pollers);
while (poller) {
if ((item->socket && item->socket == poller->item.socket)
|| (item->fd && item->fd == poller->item.fd))
poller->tolerant = true;
poller = (s_poller_t *) zlist_next (self->pollers);
}
}
static order_t *
s_engine_match_sell_order (engine_t *self)
{
assert (self);
order_t *order = (order_t *) zlist_first (self->sell_orders);
order_t *best_order = order;
while (order) {
if (order->price < best_order->price)
best_order = order;
order = (order_t *) zlist_next (self->sell_orders);
}
return best_order;
}
static char *
zsync_node_zyre_uuid (zsync_node_t *self, char *sender)
{
assert (self);
assert (sender);
zlist_t *keys = zhash_keys (self->zyre_peers);
char *key = zlist_first (keys);
while (key) {
zsync_peer_t *peer = zhash_lookup (self->zyre_peers, key);
if (peer && streq (sender, zsync_peer_uuid (peer))) {
return key;
}
key = zlist_next (keys);
}
return NULL;
}
// Apply configuration tree:
// * apply client configuration
// * print any echo items in top-level sections
// * apply sections that match methods
static void
client_apply_config (client_t *self)
{
// Apply echo commands and class methods
fmq_config_t *section = fmq_config_child (self->config);
while (section) {
fmq_config_t *entry = fmq_config_child (section);
while (entry) {
if (streq (fmq_config_name (entry), "echo"))
zclock_log (fmq_config_value (entry));
entry = fmq_config_next (entry);
}
if (streq (fmq_config_name (section), "subscribe")) {
char *path = fmq_config_resolve (section, "path", "?");
// Store subscription along with any previous ones
// Check we don't already have a subscription for this path
self->sub = (sub_t *) zlist_first (self->subs);
while (self->sub) {
if (streq (path, self->sub->path))
return;
self->sub = (sub_t *) zlist_next (self->subs);
}
// Subscription path must start with '/'
// We'll do better error handling later
assert (*path == '/');
// New subscription, store it for later replay
char *inbox = fmq_config_resolve (self->config, "client/inbox", ".inbox");
self->sub = sub_new (self, inbox, path);
zlist_append (self->subs, self->sub);
}
else
if (streq (fmq_config_name (section), "set_inbox")) {
char *path = fmq_config_resolve (section, "path", "?");
fmq_config_path_set (self->config, "client/inbox", path);
}
else
if (streq (fmq_config_name (section), "set_resync")) {
long enabled = atoi (fmq_config_resolve (section, "enabled", ""));
// Request resynchronization from server
fmq_config_path_set (self->config, "client/resync", enabled? "1" :"0");
}
section = fmq_config_next (section);
}
client_config_self (self);
}
static void
store_client_subscription (server_t *self, client_t *client)
{
// Find mount point with longest match to subscription
char *path = fmq_msg_path (client->request);
mount_t *check = (mount_t *) zlist_first (self->mounts);
mount_t *mount = check;
while (check) {
// If check->alias is prefix of path and alias is
// longer than current mount then we have a new mount
if (strncmp (path, check->alias, strlen (check->alias)) == 0
&& strlen (check->alias) > strlen (mount->alias))
mount = check;
check = (mount_t *) zlist_next (self->mounts);
}
mount_sub_store (mount, client, client->request);
}
/* Received an event message from broker.
* Find all subscribers and deliver.
*/
static void event_cb (flux_t h, flux_msg_watcher_t *w,
const flux_msg_t *msg, void *arg)
{
ctx_t *ctx = arg;
client_t *c;
c = zlist_first (ctx->clients);
while (c) {
if (subscription_match (c, msg)) {
if (client_send (c, msg) < 0) { /* FIXME handle errors */
flux_log (h, LOG_ERR, "%s: client_send %s: %s",
__FUNCTION__, zuuid_str (c->uuid), strerror (errno));
errno = 0;
}
}
c = zlist_next (ctx->clients);
}
}
void
zloop_reader_end (zloop_t *self, zsock_t *sock)
{
assert (self);
assert (sock);
s_reader_t *reader = (s_reader_t *) zlist_first (self->readers);
while (reader) {
if (reader->sock == sock) {
zlist_remove (self->readers, reader);
free (reader);
self->need_rebuild = true;
}
reader = (s_reader_t *) zlist_next (self->readers);
}
if (self->verbose)
zsys_debug ("zloop: cancel %s reader", zsock_type_str (sock));
}
static void cleanup (void)
{
const struct cleaner *c;
pthread_mutex_lock(&mutex);
if ( ! cleanup_list || cleaner_pid != getpid())
goto out;
c = zlist_first(cleanup_list);
while (c){
if (c && c->fun){
c->fun(c);
}
c = zlist_next(cleanup_list);
}
zlist_destroy(&cleanup_list);
cleanup_list = NULL;
out:
pthread_mutex_unlock(&mutex);
}
static void
client_apply_config (client_t *self)
{
// Get standard client configuration
self->heartbeat = atoi (
fmq_config_resolve (self->config, "client/heartbeat", "1")) * 1000;
// Apply echo commands and class methods
fmq_config_t *section = fmq_config_child (self->config);
while (section) {
fmq_config_t *entry = fmq_config_child (section);
while (entry) {
if (streq (fmq_config_name (entry), "echo"))
puts (fmq_config_value (entry));
entry = fmq_config_next (entry);
}
if (streq (fmq_config_name (section), "subscribe")) {
char *path = fmq_config_resolve (section, "path", "?");
// Store subscription along with any previous ones
// Check we don't already have a subscription for this path
sub_t *sub = (sub_t *) zlist_first (self->subs);
while (sub) {
if (streq (path, sub->path))
return;
sub = (sub_t *) zlist_next (self->subs);
}
// Subscription path must start with '/'
// We'll do better error handling later
assert (*path == '/');
// New subscription, so store it for later replay
sub = sub_new (self, path);
zlist_append (self->subs, sub);
// If we're connected, then also send to server
if (self->connected) {
fmq_msg_path_set (self->request, path);
self->next_event = subscribe_event;
}
}
section = fmq_config_next (section);
}
}
void
zctx_destroy (zctx_t **self_p)
{
assert (self_p);
if (*self_p) {
zctx_t *self = *self_p;
while (zlist_size (self->sockets)) {
void *socket = zlist_first (self->sockets);
zsockopt_set_linger (socket, self->linger);
zmq_close (socket);
zlist_remove (self->sockets, socket);
}
zlist_destroy (&self->sockets);
if (self->main && self->context)
zmq_term (self->context);
free (self);
*self_p = NULL;
}
}
rsRetVal outputCZMQ(uchar* msg, instanceData* pData) {
DEFiRet;
/* if auth or socket is missing, initialize */
if((NULL == pData->sock) || (NULL == pData->authActor)) {
CHKiRet(initCZMQ(pData));
}
/* if we have a ZMQ_PUB sock and topics, send once per topic */
if (pData->sockType == ZMQ_PUB && pData->topics) {
char *topic = zlist_first(pData->topics);
while (topic) {
if (pData->topicFrame) {
int rc = zstr_sendx(pData->sock, topic, (char*)msg, NULL);
if (rc != 0) {
pData->sendError = true;
ABORT_FINALIZE(RS_RET_SUSPENDED);
}
}
else {
int rc = zstr_sendf(pData->sock, "%s%s", topic, (char*)msg);
if (rc != 0) {
pData->sendError = true;
ABORT_FINALIZE(RS_RET_SUSPENDED);
}
}
topic = zlist_next(pData->topics);
}
}
/* otherwise do a normal send */
else {
int rc = zstr_send(pData->sock, (char*)msg);
if (rc != 0) {
pData->sendError = true;
ABORT_FINALIZE(RS_RET_SUSPENDED);
}
}
finalize_it:
RETiRet;
}
static void freectx (void *arg)
{
ctx_t *ctx = arg;
zlist_t *keys = zhash_keys (ctx->ping_requests);
char *key = zlist_first (keys);
while (key) {
zmsg_t *zmsg = zhash_lookup (ctx->ping_requests, key);
zmsg_destroy (&zmsg);
key = zlist_next (keys);
}
zlist_destroy (&keys);
zhash_destroy (&ctx->ping_requests);
zmsg_t *zmsg;
while ((zmsg = zlist_pop (ctx->clog_requests)))
zmsg_destroy (&zmsg);
zlist_destroy (&ctx->clog_requests);
free (ctx);
}
int
ztns_append_list (ztns_t *self, zlist_t *data, ztns_list_foreach_fn *fn)
{
ztns_t *items = ztns_new ();
assert (items);
if (!items)
return -1;
void * item = zlist_first (data);
while (item) {
int rc = fn (items, item);
if (0 != rc) {
ztns_destroy (&items);
return rc;
}
item = zlist_next (data);
}
int rc = s_append (self, items->data, ']');
ztns_destroy (&items);
return rc;
}
void
zinterface_test(bool verbose)
{
printf(" * zinterface: ");
zlist_t *interfaces = zinterface_list();
assert(interfaces);
if (verbose) {
printf("Len: %zu\n", zlist_size(interfaces));
zinterface_t *iface = zlist_first(interfaces);
while (iface) {
printf ("%s\t%s\t%s\t%s\n", zinterface_name(iface), zinterface_address(iface),
zinterface_netmask(iface), zinterface_broadcast(iface));
iface = zlist_next(interfaces);
}
}
zlist_destroy(&interfaces);
printf("OK\n");
}