*/
#define _LGPL_SOURCE
+#include <stdint.h>
+#include <stddef.h>
#include <stdlib.h>
#include <lttng/ust-events.h>
#include <usterr-signal-safe.h>
#include "jhash.h"
static CDS_LIST_HEAD(lttng_transport_list);
+static CDS_LIST_HEAD(lttng_counter_transport_list);
struct lttng_transport *lttng_transport_find(const char *name)
{
return NULL;
}
+struct lttng_counter_transport *lttng_counter_transport_find(const char *name)
+{
+ struct lttng_counter_transport *transport;
+
+ cds_list_for_each_entry(transport, <tng_counter_transport_list, node) {
+ if (!strcmp(transport->name, name))
+ return transport;
+ }
+ return NULL;
+}
+
/**
* lttng_transport_register - LTT transport registration
* @transport: transport structure
cds_list_del(&transport->node);
}
+/**
+ * lttng_counter_transport_register - LTTng counter transport registration
+ * @transport: transport structure
+ *
+ * Registers a counter transport which can be used as output to extract
+ * the data out of LTTng. Called with ust_lock held.
+ */
+void lttng_counter_transport_register(struct lttng_counter_transport *transport)
+{
+ cds_list_add_tail(&transport->node, <tng_counter_transport_list);
+}
+
+/**
+ * lttng_counter_transport_unregister - LTTng counter transport unregistration
+ * @transport: transport structure
+ * Called with ust_lock held.
+ */
+void lttng_counter_transport_unregister(struct lttng_counter_transport *transport)
+{
+ cds_list_del(&transport->node);
+}
+
/*
* Needed by comm layer.
*/
-struct lttng_enum *lttng_ust_enum_get(struct lttng_session *session,
- const char *enum_name)
+struct lttng_enum *lttng_ust_enum_get_from_desc(struct lttng_session *session,
+ const struct lttng_enum_desc *enum_desc)
{
struct lttng_enum *_enum;
struct cds_hlist_head *head;
struct cds_hlist_node *node;
- size_t name_len = strlen(enum_name);
+ size_t name_len = strlen(enum_desc->name);
uint32_t hash;
- hash = jhash(enum_name, name_len, 0);
+ hash = jhash(enum_desc->name, name_len, 0);
head = &session->enums_ht.table[hash & (LTTNG_UST_ENUM_HT_SIZE - 1)];
cds_hlist_for_each_entry(_enum, node, head, hlist) {
assert(_enum->desc);
- if (!strncmp(_enum->desc->name, enum_name,
- LTTNG_UST_SYM_NAME_LEN - 1))
+ if (_enum->desc == enum_desc)
return _enum;
}
return NULL;