Rename bt_ctf_X -> bt_X, maintain backward compat. for pre-2.0 CTF writer
[babeltrace.git] / plugins / ctf / fs-sink / writer.c
index 211a6a9c037c0657bdba27cd993b5bda15866cfe..fcc618661d29dc658ec5bce59395f071ab712512 100644 (file)
  * SOFTWARE.
  */
 
-#include <babeltrace/ctf-ir/packet.h>
-#include <babeltrace/plugin/plugin-dev.h>
-#include <babeltrace/graph/component.h>
-#include <babeltrace/graph/private-component.h>
-#include <babeltrace/graph/component-sink.h>
-#include <babeltrace/graph/private-component-sink.h>
-#include <babeltrace/graph/private-port.h>
-#include <babeltrace/graph/private-connection.h>
-#include <babeltrace/graph/notification.h>
-#include <babeltrace/graph/notification-iterator.h>
-#include <babeltrace/graph/notification-event.h>
-#include <babeltrace/graph/notification-packet.h>
+#define BT_LOG_TAG "PLUGIN-CTF-FS-SINK-WRITER"
+#include "logging.h"
+
+#include <babeltrace/babeltrace.h>
 #include <plugins-common.h>
 #include <stdio.h>
 #include <stdbool.h>
 #include "writer.h"
 #include <assert.h>
 
+static
+gboolean empty_trace_map(gpointer key, gpointer value, gpointer user_data)
+{
+       struct fs_writer *fs_writer = value;
+       struct writer_component *writer_component = user_data;
+
+       fs_writer->trace_static = 1;
+       writer_close(writer_component, fs_writer);
+
+       return TRUE;
+}
+
 static
 void destroy_writer_component_data(struct writer_component *writer_component)
 {
        bt_put(writer_component->input_iterator);
-       g_hash_table_destroy(writer_component->stream_map);
-       g_hash_table_destroy(writer_component->stream_class_map);
+
+       g_hash_table_foreach_remove(writer_component->trace_map,
+                       empty_trace_map, writer_component);
        g_hash_table_destroy(writer_component->trace_map);
+
        g_string_free(writer_component->base_path, true);
        g_string_free(writer_component->trace_name_base, true);
 }
@@ -67,21 +73,10 @@ void writer_component_finalize(struct bt_private_component *component)
 }
 
 static
-void unref_stream_class(struct bt_ctf_stream_class *writer_stream_class)
+void free_fs_writer(struct fs_writer *fs_writer)
 {
-       bt_put(writer_stream_class);
-}
-
-static
-void unref_stream(struct bt_ctf_stream_class *writer_stream)
-{
-       bt_put(writer_stream);
-}
-
-static
-void unref_trace(struct bt_ctf_writer *writer)
-{
-       bt_put(writer);
+       bt_put(fs_writer->writer);
+       g_free(fs_writer);
 }
 
 static
@@ -97,7 +92,6 @@ struct writer_component *create_writer_component(void)
        writer_component->err = stderr;
        writer_component->trace_id = 0;
        writer_component->trace_name_base = g_string_new("trace");
-       writer_component->processed_first_event = false;
        if (!writer_component->trace_name_base) {
                g_free(writer_component);
                writer_component = NULL;
@@ -108,11 +102,7 @@ struct writer_component *create_writer_component(void)
         * Reader to writer corresponding structures.
         */
        writer_component->trace_map = g_hash_table_new_full(g_direct_hash,
-                       g_direct_equal, NULL, (GDestroyNotify) unref_trace);
-       writer_component->stream_class_map = g_hash_table_new_full(g_direct_hash,
-                       g_direct_equal, NULL, (GDestroyNotify) unref_stream_class);
-       writer_component->stream_map = g_hash_table_new_full(g_direct_hash,
-                       g_direct_equal, NULL, (GDestroyNotify) unref_stream);
+                       g_direct_equal, NULL, (GDestroyNotify) free_fs_writer);
 
 end:
        return writer_component;
@@ -133,7 +123,7 @@ enum bt_component_status handle_notification(
        switch (bt_notification_get_type(notification)) {
        case BT_NOTIFICATION_TYPE_PACKET_BEGIN:
        {
-               struct bt_ctf_packet *packet =
+               struct bt_packet *packet =
                        bt_notification_packet_begin_get_packet(notification);
 
                if (!packet) {
@@ -147,7 +137,7 @@ enum bt_component_status handle_notification(
        }
        case BT_NOTIFICATION_TYPE_PACKET_END:
        {
-               struct bt_ctf_packet *packet =
+               struct bt_packet *packet =
                        bt_notification_packet_end_get_packet(notification);
 
                if (!packet) {
@@ -160,14 +150,13 @@ enum bt_component_status handle_notification(
        }
        case BT_NOTIFICATION_TYPE_EVENT:
        {
-               struct bt_ctf_event *event = bt_notification_event_get_event(
+               struct bt_event *event = bt_notification_event_get_event(
                                notification);
 
                if (!event) {
                        ret = BT_COMPONENT_STATUS_ERROR;
                        goto end;
                }
-               ret = BT_COMPONENT_STATUS_OK;
                ret = writer_output_event(writer_component, event);
                bt_put(event);
                if (ret != BT_COMPONENT_STATUS_OK) {
@@ -175,8 +164,32 @@ enum bt_component_status handle_notification(
                }
                break;
        }
+       case BT_NOTIFICATION_TYPE_STREAM_BEGIN:
+       {
+               struct bt_stream *stream =
+                       bt_notification_stream_begin_get_stream(notification);
+
+               if (!stream) {
+                       ret = BT_COMPONENT_STATUS_ERROR;
+                       goto end;
+               }
+               ret = writer_stream_begin(writer_component, stream);
+               bt_put(stream);
+               break;
+       }
        case BT_NOTIFICATION_TYPE_STREAM_END:
+       {
+               struct bt_stream *stream =
+                       bt_notification_stream_end_get_stream(notification);
+
+               if (!stream) {
+                       ret = BT_COMPONENT_STATUS_ERROR;
+                       goto end;
+               }
+               ret = writer_stream_end(writer_component, stream);
+               bt_put(stream);
                break;
+       }
        default:
                puts("Unhandled notification type");
        }
@@ -192,17 +205,24 @@ void writer_component_port_connected(
 {
        struct bt_private_connection *connection;
        struct writer_component *writer;
+       enum bt_connection_status conn_status;
+       static const enum bt_notification_type notif_types[] = {
+               BT_NOTIFICATION_TYPE_EVENT,
+               BT_NOTIFICATION_TYPE_PACKET_BEGIN,
+               BT_NOTIFICATION_TYPE_PACKET_END,
+               BT_NOTIFICATION_TYPE_STREAM_BEGIN,
+               BT_NOTIFICATION_TYPE_STREAM_END,
+               BT_NOTIFICATION_TYPE_SENTINEL,
+       };
 
        writer = bt_private_component_get_user_data(component);
        assert(writer);
        assert(!writer->input_iterator);
        connection = bt_private_port_get_private_connection(self_port);
        assert(connection);
-       writer->input_iterator =
-               bt_private_connection_create_notification_iterator(connection,
-                       NULL);
-
-       if (!writer->input_iterator) {
+       conn_status = bt_private_connection_create_notification_iterator(
+               connection, notif_types, &writer->input_iterator);
+       if (conn_status != BT_CONNECTION_STATUS_OK) {
                writer->error = true;
        }
 
@@ -217,45 +237,70 @@ enum bt_component_status writer_run(struct bt_private_component *component)
        struct bt_notification_iterator *it;
        struct writer_component *writer_component =
                bt_private_component_get_user_data(component);
-
-       it = writer_component->input_iterator;
-       assert(it);
+       enum bt_notification_iterator_status it_ret;
 
        if (unlikely(writer_component->error)) {
                ret = BT_COMPONENT_STATUS_ERROR;
                goto end;
        }
 
-       if (likely(writer_component->processed_first_event)) {
-               enum bt_notification_iterator_status it_ret;
-
-               it_ret = bt_notification_iterator_next(it);
-               switch (it_ret) {
-                       case BT_NOTIFICATION_ITERATOR_STATUS_ERROR:
-                               ret = BT_COMPONENT_STATUS_ERROR;
-                               goto end;
-                       case BT_NOTIFICATION_ITERATOR_STATUS_END:
-                               ret = BT_COMPONENT_STATUS_END;
-                               BT_PUT(writer_component->input_iterator);
-                               goto end;
-                       default:
-                               break;
-               }
-       }
+       it = writer_component->input_iterator;
+       assert(it);
+       it_ret = bt_notification_iterator_next(it);
 
-       notification = bt_notification_iterator_get_notification(it);
-       if (!notification) {
+       switch (it_ret) {
+       case BT_NOTIFICATION_ITERATOR_STATUS_END:
+               ret = BT_COMPONENT_STATUS_END;
+               BT_PUT(writer_component->input_iterator);
+               goto end;
+       case BT_NOTIFICATION_ITERATOR_STATUS_AGAIN:
+               ret = BT_COMPONENT_STATUS_AGAIN;
+               goto end;
+       case BT_NOTIFICATION_ITERATOR_STATUS_OK:
+               break;
+       default:
                ret = BT_COMPONENT_STATUS_ERROR;
                goto end;
        }
 
+       notification = bt_notification_iterator_get_notification(it);
+       assert(notification);
        ret = handle_notification(writer_component, notification);
-       writer_component->processed_first_event = true;
 end:
        bt_put(notification);
        return ret;
 }
 
+static
+enum bt_component_status apply_one_bool(const char *key,
+               struct bt_value *params,
+               bool *option,
+               bool *found)
+{
+       enum bt_component_status ret = BT_COMPONENT_STATUS_OK;
+       struct bt_value *value = NULL;
+       enum bt_value_status status;
+       bt_bool bool_val;
+
+       value = bt_value_map_get(params, key);
+       if (!value) {
+               goto end;
+       }
+       status = bt_value_bool_get(value, &bool_val);
+       if (status != BT_VALUE_STATUS_OK) {
+               ret = BT_COMPONENT_STATUS_ERROR;
+               goto end;
+       }
+
+       *option = (bool) bool_val;
+       if (found) {
+               *found = true;
+       }
+end:
+       bt_put(value);
+       return ret;
+}
+
 BT_HIDDEN
 enum bt_component_status writer_component_init(
        struct bt_private_component *component, struct bt_value *params,
@@ -266,26 +311,21 @@ enum bt_component_status writer_component_init(
        struct writer_component *writer_component = create_writer_component();
        struct bt_value *value = NULL;
        const char *path;
-       void *priv_port;
 
        if (!writer_component) {
                ret = BT_COMPONENT_STATUS_NOMEM;
                goto end;
        }
 
-       priv_port = bt_private_component_sink_add_input_private_port(component,
-               "in", NULL);
-       if (!priv_port) {
-               ret = BT_COMPONENT_STATUS_NOMEM;
+       ret = bt_private_component_sink_add_input_private_port(component,
+               "in", NULL, NULL);
+       if (ret != BT_COMPONENT_STATUS_OK) {
                goto end;
        }
 
-       bt_put(priv_port);
-
        value = bt_value_map_get(params, "path");
        if (!value || bt_value_is_null(value) || !bt_value_is_string(value)) {
-               fprintf(writer_component->err,
-                               "[error] output path parameter required\n");
+               BT_LOGE_STR("Missing mandatory \"path\" parameter.");
                ret = BT_COMPONENT_STATUS_INVALID;
                goto error;
        }
@@ -298,11 +338,18 @@ enum bt_component_status writer_component_init(
        bt_put(value);
 
        writer_component->base_path = g_string_new(path);
-       if (!writer_component) {
+       if (!writer_component->base_path) {
                ret = BT_COMPONENT_STATUS_ERROR;
                goto error;
        }
 
+       writer_component->single_trace = false;
+       ret = apply_one_bool("single-trace", params,
+                       &writer_component->single_trace, NULL);
+       if (ret != BT_COMPONENT_STATUS_OK) {
+               goto end;
+       }
+
        ret = bt_private_component_set_user_data(component, writer_component);
        if (ret != BT_COMPONENT_STATUS_OK) {
                goto error;
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