static
int cmd_print_lttng_live_sessions(struct bt_config *cfg)
{
- printf("TODO\n");
- return -1;
+ int ret = 0;
+ struct bt_component_class *comp_cls = NULL;
+ struct bt_value *results = NULL;
+ struct bt_value *params = NULL;
+ struct bt_value *map = NULL;
+ struct bt_value *v = NULL;
+ static const char * const plugin_name = "ctf";
+ static const char * const comp_cls_name = "lttng-live";
+ static const enum bt_component_class_type comp_cls_type =
+ BT_COMPONENT_CLASS_TYPE_SOURCE;
+ int64_t array_size, i;
+
+ assert(cfg->cmd_data.print_lttng_live_sessions.url);
+ comp_cls = find_component_class(plugin_name, comp_cls_name,
+ comp_cls_type);
+ if (!comp_cls) {
+ BT_LOGE("Cannot find component class: plugin-name=\"%s\", "
+ "comp-cls-name=\"%s\", comp-cls-type=%d",
+ plugin_name, comp_cls_name,
+ BT_COMPONENT_CLASS_TYPE_SOURCE);
+ fprintf(stderr, "%s%sCannot find component class %s",
+ bt_common_color_bold(),
+ bt_common_color_fg_red(),
+ bt_common_color_reset());
+ print_plugin_comp_cls_opt(stderr, plugin_name,
+ comp_cls_name, comp_cls_type);
+ fprintf(stderr, "\n");
+ goto error;
+ }
+
+ params = bt_value_map_create();
+ if (!params) {
+ goto error;
+ }
+
+ ret = bt_value_map_insert_string(params, "url",
+ cfg->cmd_data.print_lttng_live_sessions.url->str);
+ if (ret) {
+ goto error;
+ }
+
+ results = bt_component_class_query(comp_cls, "sessions",
+ params);
+ if (!results) {
+ BT_LOGE_STR("Failed to query for sessions.");
+ fprintf(stderr, "%s%sFailed to request sessions%s\n",
+ bt_common_color_bold(),
+ bt_common_color_fg_red(),
+ bt_common_color_reset());
+ goto error;
+ }
+
+ if (!bt_value_is_array(results)) {
+ BT_LOGE_STR("Expecting an array for sessions query.");
+ fprintf(stderr, "%s%sUnexpected type returned by session query%s\n",
+ bt_common_color_bold(),
+ bt_common_color_fg_red(),
+ bt_common_color_reset());
+ goto error;
+ }
+
+ array_size = bt_value_array_size(results);
+ for (i = 0; i < array_size; i++) {
+ const char *url_text;
+ int64_t timer_us, streams, clients;
+
+ map = bt_value_array_get(results, i);
+ if (!map) {
+ BT_LOGE_STR("Unexpected empty array entry.");
+ goto error;
+ }
+ if (!bt_value_is_map(map)) {
+ BT_LOGE_STR("Unexpected entry type.");
+ goto error;
+ }
+
+ v = bt_value_map_get(map, "url");
+ if (!v) {
+ BT_LOGE_STR("Unexpected empty array \"url\" entry.");
+ goto error;
+ }
+ ret = bt_value_string_get(v, &url_text);
+ assert(ret == 0);
+ printf("%s", url_text);
+ BT_PUT(v);
+
+ v = bt_value_map_get(map, "timer-us");
+ if (!v) {
+ BT_LOGE_STR("Unexpected empty array \"timer-us\" entry.");
+ goto error;
+ }
+ ret = bt_value_integer_get(v, &timer_us);
+ assert(ret == 0);
+ printf(" (timer = %" PRIu64 ", ", timer_us);
+ BT_PUT(v);
+
+ v = bt_value_map_get(map, "stream-count");
+ if (!v) {
+ BT_LOGE_STR("Unexpected empty array \"stream-count\" entry.");
+ goto error;
+ }
+ ret = bt_value_integer_get(v, &streams);
+ assert(ret == 0);
+ printf("%" PRIu64 " stream(s), ", streams);
+ BT_PUT(v);
+
+ v = bt_value_map_get(map, "client-count");
+ if (!v) {
+ BT_LOGE_STR("Unexpected empty array \"client-count\" entry.");
+ goto error;
+ }
+ ret = bt_value_integer_get(v, &clients);
+ assert(ret == 0);
+ printf("%" PRIu64 " client(s) connected)\n", clients);
+ BT_PUT(v);
+
+ BT_PUT(map);
+ }
+end:
+ bt_put(v);
+ bt_put(map);
+ bt_put(results);
+ bt_put(params);
+ bt_put(comp_cls);
+ return 0;
+
+error:
+ ret = -1;
+ goto end;
}
static
struct bt_component *comp = NULL;
struct cmd_run_ctx *ctx = data;
- BT_LOGI("Port added to a graph's component: port-addr=%p, port-name=\"%s\"",
+ comp = bt_port_get_component(port);
+ BT_LOGI("Port added to a graph's component: comp-addr=%p, "
+ "comp-name=\"%s\", port-addr=%p, port-name=\"%s\"",
+ comp, comp ? bt_component_get_name(comp) : "",
port, bt_port_get_name(port));
-
- if (bt_port_is_connected(port)) {
- BT_LOGW_STR("Port is already connected.");
+ if (!comp) {
+ BT_LOGW_STR("Port has no component.");
goto end;
}
- comp = bt_port_get_component(port);
- if (!comp) {
- BT_LOGW_STR("Port has no component.");
+ if (bt_port_is_connected(port)) {
+ BT_LOGW_STR("Port is already connected.");
goto end;
}
void graph_ports_connected_listener(struct bt_port *upstream_port,
struct bt_port *downstream_port, void *data)
{
+ struct bt_component *upstream_comp = bt_port_get_component(upstream_port);
+ struct bt_component *downstream_comp = bt_port_get_component(downstream_port);
+
+ assert(upstream_comp);
+ assert(downstream_comp);
BT_LOGI("Graph's component ports connected: "
+ "upstream-comp-addr=%p, upstream-comp-name=\"%s\", "
"upstream-port-addr=%p, upstream-port-name=\"%s\", "
+ "downstream-comp-addr=%p, downstream-comp-name=\"%s\", "
"downstream-port-addr=%p, downstream-port-name=\"%s\"",
+ upstream_comp, bt_component_get_name(upstream_comp),
upstream_port, bt_port_get_name(upstream_port),
+ downstream_comp, bt_component_get_name(downstream_comp),
downstream_port, bt_port_get_name(downstream_port));
+ bt_put(upstream_comp);
+ bt_put(downstream_comp);
}
static
cfg_comp->instance_name->str, cfg_comp->params);
if (!comp) {
BT_LOGE("Cannot create component: plugin-name=\"%s\", "
- "comp-cls-name=\"%s\", comp-cls-type=%d",
+ "comp-cls-name=\"%s\", comp-cls-type=%d, "
"comp-name=\"%s\"",
cfg_comp->plugin_name->str,
cfg_comp->comp_cls_name->str,
return ret;
}
+static inline
+const char *bt_graph_status_str(enum bt_graph_status status)
+{
+ switch (status) {
+ case BT_GRAPH_STATUS_CANCELED:
+ return "BT_GRAPH_STATUS_CANCELED";
+ case BT_GRAPH_STATUS_AGAIN:
+ return "BT_GRAPH_STATUS_AGAIN";
+ case BT_GRAPH_STATUS_END:
+ return "BT_GRAPH_STATUS_END";
+ case BT_GRAPH_STATUS_OK:
+ return "BT_GRAPH_STATUS_OK";
+ case BT_GRAPH_STATUS_ALREADY_IN_A_GRAPH:
+ return "BT_GRAPH_STATUS_ALREADY_IN_A_GRAPH";
+ case BT_GRAPH_STATUS_INVALID:
+ return "BT_GRAPH_STATUS_INVALID";
+ case BT_GRAPH_STATUS_NO_SINK:
+ return "BT_GRAPH_STATUS_NO_SINK";
+ case BT_GRAPH_STATUS_ERROR:
+ return "BT_GRAPH_STATUS_ERROR";
+ default:
+ return "(unknown)";
+ }
+}
+
static
int cmd_run(struct bt_config *cfg)
{
while (true) {
enum bt_graph_status graph_status = bt_graph_run(ctx.graph);
+ BT_LOGV("bt_graph_run() returned: status=%s",
+ bt_graph_status_str(graph_status));
+
switch (graph_status) {
case BT_GRAPH_STATUS_OK:
break;
case BT_GRAPH_STATUS_CANCELED:
- BT_LOGI("Graph was canceled by user: status=%d",
- graph_status);
+ BT_LOGI_STR("Graph was canceled by user.");
goto error;
case BT_GRAPH_STATUS_AGAIN:
if (bt_graph_is_canceled(ctx.graph)) {
- BT_LOGI("Graph was canceled by user: status=%d",
- graph_status);
+ BT_LOGI_STR("Graph was canceled by user.");
goto error;
}