Split notification iterator API into base and specialized functions
[babeltrace.git] / plugins / lttng-utils / plugin.c
index ec9c70adbf81d92cdae90b0149c7255b8d3796fa..f7f42f430bca7f7bbdbf3b8848b39aa4900f69ea 100644 (file)
  * SOFTWARE.
  */
 
+#define BT_LOG_TAG "PLUGIN-CTF-LTTNG-UTILS-DEBUG-INFO-FLT"
+#include "logging.h"
+
 #include <babeltrace/graph/notification-iterator.h>
-#include <babeltrace/graph/private-notification-iterator.h>
+#include <babeltrace/graph/private-connection-private-notification-iterator.h>
 #include <babeltrace/graph/connection.h>
 #include <babeltrace/graph/notification.h>
 #include <babeltrace/graph/notification-event.h>
 #include "debug-info.h"
 #include "copy.h"
 
+static
+gboolean empty_trace_map(gpointer key, gpointer value, gpointer user_data)
+{
+       struct debug_info_trace *di_trace = value;
+
+       di_trace->trace_static = 1;
+       debug_info_close_trace(di_trace->debug_it, di_trace);
+
+       return TRUE;
+}
+
 static
 void destroy_debug_info_data(struct debug_info_component *debug_info)
 {
@@ -74,53 +88,31 @@ end:
 }
 
 static
-void unref_debug_info(struct debug_info *debug_info)
-{
-       debug_info_destroy(debug_info);
-}
-
-static
-void unref_trace(struct bt_ctf_trace *trace)
-{
-       bt_put(trace);
-}
-
-static
-void unref_stream(struct bt_ctf_stream *stream)
+void unref_trace(struct debug_info_trace *di_trace)
 {
-       bt_put(stream);
+       bt_put(di_trace->writer_trace);
+       g_free(di_trace);
 }
 
 static
-void unref_packet(struct bt_ctf_packet *packet)
-{
-       bt_put(packet);
-}
-
-static
-void unref_stream_class(struct bt_ctf_stream_class *stream_class)
-{
-       bt_put(stream_class);
-}
-
-static
-void debug_info_iterator_destroy(struct bt_private_notification_iterator *it)
+void debug_info_iterator_destroy(struct bt_private_connection_private_notification_iterator *it)
 {
        struct debug_info_iterator *it_data;
 
-       it_data = bt_private_notification_iterator_get_user_data(it);
+       it_data = bt_private_connection_private_notification_iterator_get_user_data(it);
        assert(it_data);
 
        if (it_data->input_iterator_group) {
                g_ptr_array_free(it_data->input_iterator_group, TRUE);
        }
+
+       g_hash_table_foreach_remove(it_data->trace_map,
+                       empty_trace_map, it_data);
+       g_hash_table_destroy(it_data->trace_map);
+
        bt_put(it_data->current_notification);
        bt_put(it_data->input_iterator);
-       g_hash_table_destroy(it_data->trace_map);
-       g_hash_table_destroy(it_data->stream_map);
-       g_hash_table_destroy(it_data->stream_class_map);
-       g_hash_table_destroy(it_data->packet_map);
-       g_hash_table_destroy(it_data->trace_debug_map);
+
        g_free(it_data);
 }
 
@@ -148,6 +140,7 @@ struct bt_notification *handle_notification(FILE *err,
                                writer_packet);
                assert(new_notification);
                bt_put(packet);
+               bt_put(writer_packet);
                break;
        }
        case BT_NOTIFICATION_TYPE_PACKET_END:
@@ -166,6 +159,7 @@ struct bt_notification *handle_notification(FILE *err,
                                writer_packet);
                assert(new_notification);
                bt_put(packet);
+               bt_put(writer_packet);
                break;
        }
        case BT_NOTIFICATION_TYPE_EVENT:
@@ -190,6 +184,25 @@ struct bt_notification *handle_notification(FILE *err,
                bt_put(writer_event);
                break;
        }
+       case BT_NOTIFICATION_TYPE_STREAM_BEGIN:
+       {
+               struct bt_ctf_stream *stream =
+                       bt_notification_stream_begin_get_stream(notification);
+               struct bt_ctf_stream *writer_stream;
+
+               if (!stream) {
+                       goto end;
+               }
+
+               writer_stream = debug_info_stream_begin(debug_it, stream);
+               assert(writer_stream);
+               new_notification = bt_notification_stream_begin_create(
+                               writer_stream);
+               assert(new_notification);
+               bt_put(stream);
+               bt_put(writer_stream);
+               break;
+       }
        case BT_NOTIFICATION_TYPE_STREAM_END:
        {
                struct bt_ctf_stream *stream =
@@ -209,37 +222,33 @@ struct bt_notification *handle_notification(FILE *err,
                bt_put(writer_stream);
                break;
        }
-       case BT_NOTIFICATION_TYPE_INACTIVITY:
-       {
+       default:
                new_notification = bt_get(notification);
                break;
        }
-       default:
-               puts("Unhandled notification type");
-       }
 
 end:
        return new_notification;
 }
 
 static
-struct bt_notification_iterator_next_return debug_info_iterator_next(
-               struct bt_private_notification_iterator *iterator)
+struct bt_notification_iterator_next_method_return debug_info_iterator_next(
+               struct bt_private_connection_private_notification_iterator *iterator)
 {
        struct debug_info_iterator *debug_it = NULL;
        struct bt_private_component *component = NULL;
        struct debug_info_component *debug_info = NULL;
        struct bt_notification_iterator *source_it = NULL;
        struct bt_notification *notification;
-       struct bt_notification_iterator_next_return ret = {
+       struct bt_notification_iterator_next_method_return ret = {
                .status = BT_NOTIFICATION_ITERATOR_STATUS_OK,
                .notification = NULL,
        };
 
-       debug_it = bt_private_notification_iterator_get_user_data(iterator);
+       debug_it = bt_private_connection_private_notification_iterator_get_user_data(iterator);
        assert(debug_it);
 
-       component = bt_private_notification_iterator_get_private_component(iterator);
+       component = bt_private_connection_private_notification_iterator_get_private_component(iterator);
        assert(component);
        debug_info = bt_private_component_get_user_data(component);
        assert(debug_info);
@@ -270,7 +279,7 @@ end:
 
 static
 enum bt_notification_iterator_status debug_info_iterator_init(
-               struct bt_private_notification_iterator *iterator,
+               struct bt_private_connection_private_notification_iterator *iterator,
                struct bt_private_port *port)
 {
        enum bt_notification_iterator_status ret =
@@ -279,16 +288,9 @@ enum bt_notification_iterator_status debug_info_iterator_init(
        enum bt_connection_status conn_status;
        struct bt_private_connection *connection = NULL;
        struct bt_private_component *component =
-               bt_private_notification_iterator_get_private_component(iterator);
+               bt_private_connection_private_notification_iterator_get_private_component(iterator);
        struct debug_info_iterator *it_data = g_new0(struct debug_info_iterator, 1);
        struct bt_private_port *input_port;
-       static const enum bt_notification_type notif_types[] = {
-               BT_NOTIFICATION_TYPE_EVENT,
-               BT_NOTIFICATION_TYPE_STREAM_END,
-               BT_NOTIFICATION_TYPE_PACKET_BEGIN,
-               BT_NOTIFICATION_TYPE_PACKET_END,
-               BT_NOTIFICATION_TYPE_SENTINEL,
-       };
 
        if (!it_data) {
                ret = BT_NOTIFICATION_ITERATOR_STATUS_NOMEM;
@@ -310,7 +312,7 @@ enum bt_notification_iterator_status debug_info_iterator_init(
        }
 
        conn_status = bt_private_connection_create_notification_iterator(
-                       connection, notif_types, &it_data->input_iterator);
+                       connection, NULL, &it_data->input_iterator);
        if (conn_status != BT_CONNECTION_STATUS_OK) {
                ret = BT_NOTIFICATION_ITERATOR_STATUS_ERROR;
                goto end;
@@ -321,16 +323,8 @@ enum bt_notification_iterator_status debug_info_iterator_init(
        it_data->err = it_data->debug_info_component->err;
        it_data->trace_map = g_hash_table_new_full(g_direct_hash,
                        g_direct_equal, NULL, (GDestroyNotify) unref_trace);
-       it_data->stream_map = g_hash_table_new_full(g_direct_hash,
-                       g_direct_equal, NULL, (GDestroyNotify) unref_stream);
-       it_data->stream_class_map = g_hash_table_new_full(g_direct_hash,
-                       g_direct_equal, NULL, (GDestroyNotify) unref_stream_class);
-       it_data->packet_map = g_hash_table_new_full(g_direct_hash,
-                       g_direct_equal, NULL, (GDestroyNotify) unref_packet);
-       it_data->trace_debug_map = g_hash_table_new_full(g_direct_hash,
-                       g_direct_equal, NULL, (GDestroyNotify) unref_debug_info);
-
-       it_ret = bt_private_notification_iterator_set_user_data(iterator, it_data);
+
+       it_ret = bt_private_connection_private_notification_iterator_set_user_data(iterator, it_data);
        if (it_ret) {
                goto end;
        }
@@ -359,8 +353,8 @@ enum bt_component_status init_from_params(
                value_ret = bt_value_string_get(value, &tmp);
                if (value_ret) {
                        ret = BT_COMPONENT_STATUS_INVALID;
-                       printf_error("Failed to retrieve debug-info-field-name value. "
-                                       "Expecting a string");
+                       BT_LOGE_STR("Failed to retrieve debug-info-field-name value. "
+                                       "Expecting a string.");
                }
                strcpy(debug_info_component->arg_debug_info_field_name, tmp);
                bt_put(value);
@@ -369,7 +363,8 @@ enum bt_component_status init_from_params(
                        malloc(strlen("debug_info") + 1);
                if (!debug_info_component->arg_debug_info_field_name) {
                        ret = BT_COMPONENT_STATUS_NOMEM;
-                       printf_error();
+                       BT_LOGE_STR("Missing field name.");
+                       goto end;
                }
                sprintf(debug_info_component->arg_debug_info_field_name,
                                "debug_info");
@@ -386,8 +381,8 @@ enum bt_component_status init_from_params(
                                &debug_info_component->arg_debug_dir);
                if (value_ret) {
                        ret = BT_COMPONENT_STATUS_INVALID;
-                       printf_error("Failed to retrieve debug-dir value. "
-                                       "Expecting a string");
+                       BT_LOGE_STR("Failed to retrieve debug-dir value. "
+                                       "Expecting a string.");
                }
        }
        bt_put(value);
@@ -403,8 +398,8 @@ enum bt_component_status init_from_params(
                                &debug_info_component->arg_target_prefix);
                if (value_ret) {
                        ret = BT_COMPONENT_STATUS_INVALID;
-                       printf_error("Failed to retrieve target-prefix value. "
-                                       "Expecting a string");
+                       BT_LOGE_STR("Failed to retrieve target-prefix value. "
+                                       "Expecting a string.");
                }
        }
        bt_put(value);
@@ -421,8 +416,8 @@ enum bt_component_status init_from_params(
                                &bool_val);
                if (value_ret) {
                        ret = BT_COMPONENT_STATUS_INVALID;
-                       printf_error("Failed to retrieve full-path value. "
-                                       "Expecting a boolean");
+                       BT_LOGE_STR("Failed to retrieve full-path value. "
+                                       "Expecting a boolean.");
                }
 
                debug_info_component->arg_full_path = bool_val;
@@ -473,6 +468,10 @@ error:
        return ret;
 }
 
+#ifndef BT_BUILT_IN_PLUGINS
+BT_PLUGIN_MODULE();
+#endif
+
 /* Initialize plug-in entry points. */
 BT_PLUGIN_WITH_ID(lttng_utils, "lttng-utils");
 BT_PLUGIN_DESCRIPTION_WITH_ID(lttng_utils, "LTTng utilities");
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