#include <string.h>
#include <unistd.h>
-#include <lttng/liblttngctl.h>
+#include <lttng/lttng.h>
#include "liblttsessiondcomm.h"
#include "lttngerr.h"
size_t size;
void *data = NULL;
+ ret = lttng_connect_sessiond();
+ if (ret < 0) {
+ goto end;
+ }
+
lsm.cmd_type = lct;
/* Send command to session daemon */
ret = size;
end:
- /* Reset lsm data struct */
+ lttng_disconnect_sessiond();
memset(&lsm, 0, sizeof(lsm));
return ret;
}
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
*
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';
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(uuid_t *uuid)
+{
+ uuid_copy(lsm.session_id, *uuid);
+}
+
/*
* lttng_set_tracing_group
*