return lttcomm_get_readable_code(code);
}
+/*
+ * lttng_ust_start_trace
+ *
+ * Request a trace start for pid.
+ */
+int lttng_ust_start_trace(pid_t pid)
+{
+ int ret;
+
+ lsm.pid = pid;
+ ret = ask_sessiond(UST_START_TRACE, NULL);
+
+ return ret;
+}
+
+/*
+ * lttng_ust_stop_trace
+ *
+ * Request a trace stop for pid.
+ */
+int lttng_ust_stop_trace(pid_t pid)
+{
+ int ret;
+
+ lsm.pid = pid;
+ ret = ask_sessiond(UST_STOP_TRACE, NULL);
+
+ return ret;
+}
+
+/*
+ * lttng_ust_create_trace
+ *
+ * Request a trace creation for pid.
+ */
+int lttng_ust_create_trace(pid_t pid)
+{
+ int ret;
+
+ lsm.pid = pid;
+ ret = ask_sessiond(UST_CREATE_TRACE, NULL);
+
+ return ret;
+}
+
/*
* lttng_ust_list_apps
*
return ret / sizeof(pid_t);
}
+/*
+ * lttng_list_traces
+ *
+ * Ask the session daemon for all traces (kernel and ust)
+ * for the session identified by uuid.
+ *
+ * Return the number of traces.
+ */
+int lttng_list_traces(uuid_t *uuid, struct lttng_trace **traces)
+{
+ int ret;
+
+ uuid_copy(lsm.session_id, *uuid);
+
+ ret = ask_sessiond(LTTNG_LIST_TRACES, (void **) traces);
+ if (ret < 0) {
+ return ret;
+ }
+
+ return ret / sizeof(struct lttng_trace);
+}
+
/*
* lttng_create_session
*
* Create a brand new session using name. Allocate
* the session_id param pointing to the UUID.
*/
-int lttng_create_session(char *name, char **session_id)
+int lttng_create_session(char *name, uuid_t *session_id)
{
int ret;
- char *uuid;
strncpy(lsm.session_name, name, sizeof(lsm.session_name));
+ lsm.session_name[sizeof(lsm.session_name) - 1] = '\0';
ret = ask_sessiond(LTTNG_CREATE_SESSION, NULL);
if (ret < 0) {
goto end;
}
- /* Allocate UUID string length */
- uuid = malloc(UUID_STR_LEN);
+ uuid_copy(*session_id, llm.session_id);
- strncpy(uuid, llm.session_id, UUID_STR_LEN);
- *session_id = uuid;
+end:
+ return ret;
+}
+
+/*
+ * lttng_destroy_session
+ *
+ * Destroy session using name.
+ */
+int lttng_destroy_session(uuid_t *uuid)
+{
+ int ret;
+
+ uuid_copy(lsm.session_id, *uuid);
+
+ ret = ask_sessiond(LTTNG_DESTROY_SESSION, NULL);
+ if (ret < 0) {
+ goto end;
+ }
end:
return ret;
return 0;
}
+/*
+ * lttng_disconnect_sessiond
+ *
+ * Clean disconnect the session daemon.
+ */
+int lttng_disconnect_sessiond(void)
+{
+ int ret = 0;
+
+ if (connected) {
+ ret = lttcomm_close_unix_sock(sessiond_socket);
+ sessiond_socket = 0;
+ connected = 0;
+ }
+
+ return ret;
+}
+
+/*
+ * lttng_set_current_session_uuid
+ *
+ * Set the session uuid for current lsm.
+ */
+void lttng_set_current_session_uuid(char *uuid)
+{
+ uuid_parse(uuid, lsm.session_id);
+}
+
/*
* lttng_set_tracing_group
*