return ret;
}
+/*
+ * Copy domain to lttcomm_session_msg domain.
+ *
+ * Return -1 if the domain is unkown.
+ */
+static int copy_lttng_domain(struct lttng_domain *dom)
+{
+ switch (dom->type) {
+ case LTTNG_DOMAIN_KERNEL:
+ case LTTNG_DOMAIN_UST:
+ case LTTNG_DOMAIN_UST_EXEC_NAME:
+ case LTTNG_DOMAIN_UST_PID:
+ case LTTNG_DOMAIN_UST_PID_FOLLOW_CHILDREN:
+ memcpy(&lsm.domain, dom, sizeof(struct lttng_domain));
+ return 0;
+ default:
+ return -1;
+ }
+}
+
/*
* Start tracing for all trace of the session.
*/
}
/*
- * List all available events in the kernel.
+ * List all available kernel events.
*
* Return the size (bytes) of the list and set the event_list array.
* On error, return negative value.
*/
-int lttng_list_events(struct lttng_domain *domain, char **event_list)
+int lttng_list_kernel_events(struct lttng_event **events)
{
int ret;
- switch (domain->type) {
- case LTTNG_DOMAIN_KERNEL:
- ret = ask_sessiond(LTTNG_KERNEL_LIST_EVENTS, (void **) event_list);
- break;
- case LTTNG_DOMAIN_UST:
- ret = LTTCOMM_NOT_IMPLEMENTED;
- break;
- default:
- ret = LTTCOMM_UNKNOWN_DOMAIN;
- break;
- };
+ ret = ask_sessiond(LTTNG_KERNEL_LIST_EVENTS, (void **) events);
- return ret;
+ return ret / sizeof(struct lttng_event);
}
/*
return ret / sizeof(struct lttng_session);
}
+/*
+ * List domain of a session.
+ */
+int lttng_list_domains(const char *session_name, struct lttng_domain **domains)
+{
+ int ret;
+
+ strncpy(lsm.session_name, session_name, NAME_MAX);
+ ret = ask_sessiond(LTTNG_LIST_DOMAINS, (void**) domains);
+ if (ret < 0) {
+ return ret;
+ }
+
+ return ret / sizeof(struct lttng_domain);
+}
+
+/*
+ * List channels of a session
+ */
+int lttng_list_channels(struct lttng_domain *domain,
+ const char *session_name, struct lttng_channel **channels)
+{
+ int ret;
+
+ strncpy(lsm.session_name, session_name, NAME_MAX);
+ ret = copy_lttng_domain(domain);
+ if (ret < 0) {
+ return -LTTCOMM_UNKNOWN_DOMAIN;
+ }
+
+ ret = ask_sessiond(LTTNG_LIST_CHANNELS, (void**) channels);
+ if (ret < 0) {
+ return ret;
+ }
+
+ return ret / sizeof(struct lttng_channel);
+}
+
+/*
+ * List events of a session channel.
+ */
+int lttng_list_events(struct lttng_domain *domain,
+ const char *session_name, const char *channel_name,
+ struct lttng_event **events)
+{
+ int ret;
+
+ strncpy(lsm.session_name, session_name, NAME_MAX);
+ strncpy(lsm.u.list.channel_name, channel_name, NAME_MAX);
+ ret = copy_lttng_domain(domain);
+ if (ret < 0) {
+ return -LTTCOMM_UNKNOWN_DOMAIN;
+ }
+
+ ret = ask_sessiond(LTTNG_LIST_EVENTS, (void**) events);
+ if (ret < 0) {
+ return ret;
+ }
+
+ return ret / sizeof(struct lttng_event);
+}
+
/*
* Set session name for the current lsm.
*/