X-Git-Url: http://git.lttng.org/?a=blobdiff_plain;f=src%2Flib%2Flttng-ctl%2Flttng-ctl.c;h=bff522201233db0a5e6551e160becfb78a0e1260;hb=ecc48a904cc7c419fd1400afaa9ccb93be490cdd;hp=033a28105ef6744f464434c32ad0f01b2ada889c;hpb=850767541647c102a299d7fbc39c97555ac70224;p=lttng-tools.git

diff --git a/src/lib/lttng-ctl/lttng-ctl.c b/src/lib/lttng-ctl/lttng-ctl.c
index 033a28105..bff522201 100644
--- a/src/lib/lttng-ctl/lttng-ctl.c
+++ b/src/lib/lttng-ctl/lttng-ctl.c
@@ -574,6 +574,7 @@ static int _lttng_stop_tracing(const char *session_name, int wait)
 	}
 
 	_MSG("Waiting for data availability");
+	fflush(stdout);
 
 	/* Check for data availability */
 	do {
@@ -591,6 +592,7 @@ static int _lttng_stop_tracing(const char *session_name, int wait)
 		if (data_ret) {
 			usleep(DEFAULT_DATA_AVAILABILITY_WAIT_TIME);
 			_MSG(".");
+			fflush(stdout);
 		}
 	} while (data_ret != 0);
 
@@ -1594,6 +1596,51 @@ int lttng_create_session_snapshot(const char *name, const char *snapshot_url)
 	return ret;
 }
 
+/*
+ * Create a session exclusively used for live.
+ *
+ * Returns LTTNG_OK on success or a negative error code.
+ */
+int lttng_create_session_live(const char *name, const char *url,
+		unsigned int timer_interval)
+{
+	int ret;
+	ssize_t size;
+	struct lttcomm_session_msg lsm;
+	struct lttng_uri *uris = NULL;
+
+	if (name == NULL) {
+		return -LTTNG_ERR_INVALID;
+	}
+
+	memset(&lsm, 0, sizeof(lsm));
+
+	lsm.cmd_type = LTTNG_CREATE_SESSION_LIVE;
+	lttng_ctl_copy_string(lsm.session.name, name, sizeof(lsm.session.name));
+
+	size = uri_parse_str_urls(url, NULL, &uris);
+	if (size < 0) {
+		ret = -LTTNG_ERR_INVALID;
+		goto end;
+	}
+
+	/* file:// is not accepted for live session. */
+	if (uris[0].dtype == LTTNG_DST_PATH) {
+		ret = -LTTNG_ERR_INVALID;
+		goto end;
+	}
+
+	lsm.u.session_live.nb_uri = size;
+	lsm.u.session_live.timer_interval = timer_interval;
+
+	ret = lttng_ctl_ask_sessiond_varlen(&lsm, uris,
+			sizeof(struct lttng_uri) * size, NULL);
+
+end:
+	free(uris);
+	return ret;
+}
+
 /*
  * lib constructor
  */