X-Git-Url: http://git.liburcu.org/?a=blobdiff_plain;f=src%2Fbin%2Flttng-sessiond%2Fclient.c;h=f0b0efd3c3d86d89fee6184087baa896e40d62c4;hb=f19f5c968f63a83a83c47390020e6ff0dd7c85aa;hp=2c7bd4787c9371305455dfa7765ab9397d07877f;hpb=2d97a0067600335f07eecb2c1d9ba68fc164583e;p=lttng-tools.git

diff --git a/src/bin/lttng-sessiond/client.c b/src/bin/lttng-sessiond/client.c
index 2c7bd4787..f0b0efd3c 100644
--- a/src/bin/lttng-sessiond/client.c
+++ b/src/bin/lttng-sessiond/client.c
@@ -28,6 +28,7 @@
 #include <lttng/event-internal.h>
 #include <lttng/session-internal.h>
 #include <lttng/session-descriptor-internal.h>
+#include <lttng/tracker-internal.h>
 
 #include "client.h"
 #include "lttng-sessiond.h"
@@ -1568,80 +1569,41 @@ error_add_context:
 	case LTTNG_LIST_TRACKER_IDS:
 	{
 		struct lttcomm_tracker_command_header cmd_header;
-		struct lttng_tracker_id **ids = NULL;
-		ssize_t nr_ids, i;
+		struct lttng_tracker_ids *ids = NULL;
+		enum lttng_tracker_id_status status;
+		unsigned int nr_ids;
 		struct lttng_dynamic_buffer buf;
 
-		nr_ids = cmd_list_tracker_ids(
+		ret = cmd_list_tracker_ids(
 				cmd_ctx->lsm->u.id_tracker.tracker_type,
 				cmd_ctx->session, cmd_ctx->lsm->domain.type,
 				&ids);
-		if (nr_ids < 0) {
-			/* Return value is a negative lttng_error_code. */
-			ret = -nr_ids;
+		if (ret != LTTNG_OK) {
 			goto error;
 		}
 
 		lttng_dynamic_buffer_init(&buf);
-		for (i = 0; i < nr_ids; i++) {
-			struct lttng_tracker_id *id = ids[i];
-			struct lttcomm_tracker_id_header id_hdr;
-			size_t var_data_len = 0;
-			enum lttng_tracker_id_status status;
-			const char *string;
-			int value;
-
-			memset(&id_hdr, 0, sizeof(id_hdr));
-			id_hdr.type = lttng_tracker_id_get_type(id);
-			switch (id_hdr.type) {
-			case LTTNG_ID_ALL:
-				break;
-			case LTTNG_ID_VALUE:
-				status = lttng_tracker_id_get_value(id, &value);
-				id_hdr.u.value = value;
-				if (status != LTTNG_TRACKER_ID_STATUS_OK) {
-					ret = LTTNG_ERR_INVALID;
-					goto error_list_tracker;
-				}
-				break;
-			case LTTNG_ID_STRING:
-				status = lttng_tracker_id_get_string(
-						id, &string);
-				if (status != LTTNG_TRACKER_ID_STATUS_OK) {
-					ret = LTTNG_ERR_INVALID;
-					goto error_list_tracker;
-				}
 
-				id_hdr.u.var_data_len = var_data_len =
-						strlen(string) + 1;
-				break;
-			default:
-				ret = LTTNG_ERR_INVALID;
-				goto error_list_tracker;
-			}
-			ret = lttng_dynamic_buffer_append(
-					&buf, &id_hdr, sizeof(id_hdr));
-			if (ret) {
-				ret = LTTNG_ERR_NOMEM;
-				goto error_list_tracker;
-			}
-			ret = lttng_dynamic_buffer_append(
-					&buf, string, var_data_len);
-			if (ret) {
-				ret = LTTNG_ERR_NOMEM;
-				goto error_list_tracker;
-			}
+		status = lttng_tracker_ids_get_count(ids, &nr_ids);
+		if (status != LTTNG_TRACKER_ID_STATUS_OK) {
+			ret = -LTTNG_ERR_INVALID;
+			goto error_list_tracker;
 		}
 
 		cmd_header.nb_tracker_id = nr_ids;
+
+		ret = lttng_tracker_ids_serialize(ids, &buf);
+		if (ret < 0) {
+			goto error_list_tracker;
+		}
+
 		ret = setup_lttng_msg(cmd_ctx, buf.data, buf.size, &cmd_header,
 				sizeof(cmd_header));
 	error_list_tracker:
-		lttng_tracker_ids_destroy(ids, nr_ids);
-		free(ids);
+		lttng_tracker_ids_destroy(ids);
 		lttng_dynamic_buffer_reset(&buf);
 		if (ret < 0) {
-			goto setup_error;
+			goto error;
 		}
 
 		ret = LTTNG_OK;