lib: rename "notification" -> "message"
[babeltrace.git] / plugins / ctf / fs-src / fs.c
index b612d2c6809ff8d2fb423fca5ae9771b36c6fe71..5b15ffa2491a57e4349f2c7909c985b12bf7710b 100644 (file)
@@ -37,7 +37,7 @@
 #include "data-stream-file.h"
 #include "file.h"
 #include "../common/metadata/decoder.h"
-#include "../common/notif-iter/notif-iter.h"
+#include "../common/msg-iter/msg-iter.h"
 #include "../common/utils/utils.h"
 #include "query.h"
 
 #include "logging.h"
 
 static
-int notif_iter_data_set_current_ds_file(struct ctf_fs_notif_iter_data *notif_iter_data)
+int msg_iter_data_set_current_ds_file(struct ctf_fs_msg_iter_data *msg_iter_data)
 {
        struct ctf_fs_ds_file_info *ds_file_info;
        int ret = 0;
 
-       BT_ASSERT(notif_iter_data->ds_file_info_index <
-               notif_iter_data->ds_file_group->ds_file_infos->len);
+       BT_ASSERT(msg_iter_data->ds_file_info_index <
+               msg_iter_data->ds_file_group->ds_file_infos->len);
        ds_file_info = g_ptr_array_index(
-               notif_iter_data->ds_file_group->ds_file_infos,
-               notif_iter_data->ds_file_info_index);
-
-       ctf_fs_ds_file_destroy(notif_iter_data->ds_file);
-       notif_iter_data->ds_file = ctf_fs_ds_file_create(
-               notif_iter_data->ds_file_group->ctf_fs_trace,
-               notif_iter_data->pc_notif_iter,
-               notif_iter_data->notif_iter,
-               notif_iter_data->ds_file_group->stream,
+               msg_iter_data->ds_file_group->ds_file_infos,
+               msg_iter_data->ds_file_info_index);
+
+       ctf_fs_ds_file_destroy(msg_iter_data->ds_file);
+       msg_iter_data->ds_file = ctf_fs_ds_file_create(
+               msg_iter_data->ds_file_group->ctf_fs_trace,
+               msg_iter_data->pc_msg_iter,
+               msg_iter_data->msg_iter,
+               msg_iter_data->ds_file_group->stream,
                ds_file_info->path->str);
-       if (!notif_iter_data->ds_file) {
+       if (!msg_iter_data->ds_file) {
                ret = -1;
        }
 
@@ -71,121 +71,121 @@ int notif_iter_data_set_current_ds_file(struct ctf_fs_notif_iter_data *notif_ite
 }
 
 static
-void ctf_fs_notif_iter_data_destroy(
-               struct ctf_fs_notif_iter_data *notif_iter_data)
+void ctf_fs_msg_iter_data_destroy(
+               struct ctf_fs_msg_iter_data *msg_iter_data)
 {
-       if (!notif_iter_data) {
+       if (!msg_iter_data) {
                return;
        }
 
-       ctf_fs_ds_file_destroy(notif_iter_data->ds_file);
+       ctf_fs_ds_file_destroy(msg_iter_data->ds_file);
 
-       if (notif_iter_data->notif_iter) {
-               bt_notif_iter_destroy(notif_iter_data->notif_iter);
+       if (msg_iter_data->msg_iter) {
+               bt_msg_iter_destroy(msg_iter_data->msg_iter);
        }
 
-       g_free(notif_iter_data);
+       g_free(msg_iter_data);
 }
 
 static
-enum bt_self_notification_iterator_status ctf_fs_iterator_next_one(
-               struct ctf_fs_notif_iter_data *notif_iter_data,
-               const bt_notification **notif)
+enum bt_self_message_iterator_status ctf_fs_iterator_next_one(
+               struct ctf_fs_msg_iter_data *msg_iter_data,
+               const bt_message **msg)
 {
-       enum bt_self_notification_iterator_status status;
-       bt_notification *priv_notif;
+       enum bt_self_message_iterator_status status;
+       bt_message *priv_msg;
        int ret;
 
-       BT_ASSERT(notif_iter_data->ds_file);
-       status = ctf_fs_ds_file_next(notif_iter_data->ds_file, &priv_notif);
-       *notif = priv_notif;
+       BT_ASSERT(msg_iter_data->ds_file);
+       status = ctf_fs_ds_file_next(msg_iter_data->ds_file, &priv_msg);
+       *msg = priv_msg;
 
-       if (status == BT_SELF_NOTIFICATION_ITERATOR_STATUS_OK &&
-                       bt_notification_get_type(*notif) ==
-                       BT_NOTIFICATION_TYPE_STREAM_BEGINNING) {
-               if (notif_iter_data->skip_stream_begin_notifs) {
+       if (status == BT_SELF_MESSAGE_ITERATOR_STATUS_OK &&
+                       bt_message_get_type(*msg) ==
+                       BT_MESSAGE_TYPE_STREAM_BEGINNING) {
+               if (msg_iter_data->skip_stream_begin_msgs) {
                        /*
                         * We already emitted a
-                        * BT_NOTIFICATION_TYPE_STREAM_BEGINNING
-                        * notification: skip this one, get a new one.
+                        * BT_MESSAGE_TYPE_STREAM_BEGINNING
+                        * message: skip this one, get a new one.
                         */
-                       BT_NOTIFICATION_PUT_REF_AND_RESET(*notif);
-                       status = ctf_fs_ds_file_next(notif_iter_data->ds_file,
-                               &priv_notif);
-                       *notif = priv_notif;
-                       BT_ASSERT(status != BT_SELF_NOTIFICATION_ITERATOR_STATUS_END);
+                       BT_MESSAGE_PUT_REF_AND_RESET(*msg);
+                       status = ctf_fs_ds_file_next(msg_iter_data->ds_file,
+                               &priv_msg);
+                       *msg = priv_msg;
+                       BT_ASSERT(status != BT_SELF_MESSAGE_ITERATOR_STATUS_END);
                        goto end;
                } else {
                        /*
-                        * First BT_NOTIFICATION_TYPE_STREAM_BEGINNING
-                        * notification: skip all following.
+                        * First BT_MESSAGE_TYPE_STREAM_BEGINNING
+                        * message: skip all following.
                         */
-                       notif_iter_data->skip_stream_begin_notifs = true;
+                       msg_iter_data->skip_stream_begin_msgs = true;
                        goto end;
                }
        }
 
-       if (status == BT_SELF_NOTIFICATION_ITERATOR_STATUS_OK &&
-                       bt_notification_get_type(*notif) ==
-                       BT_NOTIFICATION_TYPE_STREAM_END) {
-               notif_iter_data->ds_file_info_index++;
+       if (status == BT_SELF_MESSAGE_ITERATOR_STATUS_OK &&
+                       bt_message_get_type(*msg) ==
+                       BT_MESSAGE_TYPE_STREAM_END) {
+               msg_iter_data->ds_file_info_index++;
 
-               if (notif_iter_data->ds_file_info_index ==
-                               notif_iter_data->ds_file_group->ds_file_infos->len) {
+               if (msg_iter_data->ds_file_info_index ==
+                               msg_iter_data->ds_file_group->ds_file_infos->len) {
                        /*
                         * No more stream files to read: we reached the
                         * real end. Emit this
-                        * BT_NOTIFICATION_TYPE_STREAM_END notification.
+                        * BT_MESSAGE_TYPE_STREAM_END message.
                         * The next time ctf_fs_iterator_next() is
-                        * called for this notification iterator,
+                        * called for this message iterator,
                         * ctf_fs_ds_file_next() will return
-                        * BT_SELF_NOTIFICATION_ITERATOR_STATUS_END().
+                        * BT_SELF_MESSAGE_ITERATOR_STATUS_END().
                         */
                        goto end;
                }
 
-               BT_NOTIFICATION_PUT_REF_AND_RESET(*notif);
-               bt_notif_iter_reset(notif_iter_data->notif_iter);
+               BT_MESSAGE_PUT_REF_AND_RESET(*msg);
+               bt_msg_iter_reset(msg_iter_data->msg_iter);
 
                /*
                 * Open and start reading the next stream file within
                 * our stream file group.
                 */
-               ret = notif_iter_data_set_current_ds_file(notif_iter_data);
+               ret = msg_iter_data_set_current_ds_file(msg_iter_data);
                if (ret) {
-                       status = BT_SELF_NOTIFICATION_ITERATOR_STATUS_ERROR;
+                       status = BT_SELF_MESSAGE_ITERATOR_STATUS_ERROR;
                        goto end;
                }
 
-               status = ctf_fs_ds_file_next(notif_iter_data->ds_file, &priv_notif);
-               *notif = priv_notif;
+               status = ctf_fs_ds_file_next(msg_iter_data->ds_file, &priv_msg);
+               *msg = priv_msg;
 
                /*
-                * If we get a notification, we expect to get a
-                * BT_NOTIFICATION_TYPE_STREAM_BEGINNING notification
+                * If we get a message, we expect to get a
+                * BT_MESSAGE_TYPE_STREAM_BEGINNING message
                 * because the iterator's state machine emits one before
                 * even requesting the first block of data from the
-                * medium. Skip this notification because we're not
+                * medium. Skip this message because we're not
                 * really starting a new stream here, and try getting a
-                * new notification (which, if it works, is a
-                * BT_NOTIFICATION_TYPE_PACKET_BEGINNING one). We're sure to
+                * new message (which, if it works, is a
+                * BT_MESSAGE_TYPE_PACKET_BEGINNING one). We're sure to
                 * get at least one pair of
-                * BT_NOTIFICATION_TYPE_PACKET_BEGINNING and
-                * BT_NOTIFICATION_TYPE_PACKET_END notifications in the
+                * BT_MESSAGE_TYPE_PACKET_BEGINNING and
+                * BT_MESSAGE_TYPE_PACKET_END messages in the
                 * case of a single, empty packet. We know there's at
                 * least one packet because the stream file group does
                 * not contain empty stream files.
                 */
-               BT_ASSERT(notif_iter_data->skip_stream_begin_notifs);
-
-               if (status == BT_SELF_NOTIFICATION_ITERATOR_STATUS_OK) {
-                       BT_ASSERT(bt_notification_get_type(*notif) ==
-                               BT_NOTIFICATION_TYPE_STREAM_BEGINNING);
-                       BT_NOTIFICATION_PUT_REF_AND_RESET(*notif);
-                       status = ctf_fs_ds_file_next(notif_iter_data->ds_file,
-                               &priv_notif);
-                       *notif = priv_notif;
-                       BT_ASSERT(status != BT_SELF_NOTIFICATION_ITERATOR_STATUS_END);
+               BT_ASSERT(msg_iter_data->skip_stream_begin_msgs);
+
+               if (status == BT_SELF_MESSAGE_ITERATOR_STATUS_OK) {
+                       BT_ASSERT(bt_message_get_type(*msg) ==
+                               BT_MESSAGE_TYPE_STREAM_BEGINNING);
+                       BT_MESSAGE_PUT_REF_AND_RESET(*msg);
+                       status = ctf_fs_ds_file_next(msg_iter_data->ds_file,
+                               &priv_msg);
+                       *msg = priv_msg;
+                       BT_ASSERT(status != BT_SELF_MESSAGE_ITERATOR_STATUS_END);
                }
        }
 
@@ -194,20 +194,20 @@ end:
 }
 
 BT_HIDDEN
-enum bt_self_notification_iterator_status ctf_fs_iterator_next(
-               bt_self_notification_iterator *iterator,
-               bt_notification_array_const notifs, uint64_t capacity,
+enum bt_self_message_iterator_status ctf_fs_iterator_next(
+               bt_self_message_iterator *iterator,
+               bt_message_array_const msgs, uint64_t capacity,
                uint64_t *count)
 {
-       enum bt_self_notification_iterator_status status =
-               BT_SELF_NOTIFICATION_ITERATOR_STATUS_OK;
-       struct ctf_fs_notif_iter_data *notif_iter_data =
-               bt_self_notification_iterator_get_data(iterator);
+       enum bt_self_message_iterator_status status =
+               BT_SELF_MESSAGE_ITERATOR_STATUS_OK;
+       struct ctf_fs_msg_iter_data *msg_iter_data =
+               bt_self_message_iterator_get_data(iterator);
        uint64_t i = 0;
 
-       while (i < capacity && status == BT_SELF_NOTIFICATION_ITERATOR_STATUS_OK) {
-               status = ctf_fs_iterator_next_one(notif_iter_data, &notifs[i]);
-               if (status == BT_SELF_NOTIFICATION_ITERATOR_STATUS_OK) {
+       while (i < capacity && status == BT_SELF_MESSAGE_ITERATOR_STATUS_OK) {
+               status = ctf_fs_iterator_next_one(msg_iter_data, &msgs[i]);
+               if (status == BT_SELF_MESSAGE_ITERATOR_STATUS_OK) {
                        i++;
                }
        }
@@ -215,81 +215,81 @@ enum bt_self_notification_iterator_status ctf_fs_iterator_next(
        if (i > 0) {
                /*
                 * Even if ctf_fs_iterator_next_one() returned something
-                * else than BT_SELF_NOTIFICATION_ITERATOR_STATUS_OK, we
-                * accumulated notification objects in the output
-                * notification array, so we need to return
-                * BT_SELF_NOTIFICATION_ITERATOR_STATUS_OK so that they are
+                * else than BT_SELF_MESSAGE_ITERATOR_STATUS_OK, we
+                * accumulated message objects in the output
+                * message array, so we need to return
+                * BT_SELF_MESSAGE_ITERATOR_STATUS_OK so that they are
                 * transfered to downstream. This other status occurs
-                * again the next time muxer_notif_iter_do_next() is
+                * again the next time muxer_msg_iter_do_next() is
                 * called, possibly without any accumulated
-                * notification, in which case we'll return it.
+                * message, in which case we'll return it.
                 */
                *count = i;
-               status = BT_SELF_NOTIFICATION_ITERATOR_STATUS_OK;
+               status = BT_SELF_MESSAGE_ITERATOR_STATUS_OK;
        }
 
        return status;
 }
 
-void ctf_fs_iterator_finalize(bt_self_notification_iterator *it)
+void ctf_fs_iterator_finalize(bt_self_message_iterator *it)
 {
-       ctf_fs_notif_iter_data_destroy(
-               bt_self_notification_iterator_get_data(it));
+       ctf_fs_msg_iter_data_destroy(
+               bt_self_message_iterator_get_data(it));
 }
 
-enum bt_self_notification_iterator_status ctf_fs_iterator_init(
-               bt_self_notification_iterator *self_notif_iter,
+enum bt_self_message_iterator_status ctf_fs_iterator_init(
+               bt_self_message_iterator *self_msg_iter,
                bt_self_component_source *self_comp,
                bt_self_component_port_output *self_port)
 {
        struct ctf_fs_port_data *port_data;
-       struct ctf_fs_notif_iter_data *notif_iter_data = NULL;
-       enum bt_self_notification_iterator_status ret =
-               BT_SELF_NOTIFICATION_ITERATOR_STATUS_OK;
+       struct ctf_fs_msg_iter_data *msg_iter_data = NULL;
+       enum bt_self_message_iterator_status ret =
+               BT_SELF_MESSAGE_ITERATOR_STATUS_OK;
        int iret;
 
        port_data = bt_self_component_port_get_data(
                bt_self_component_port_output_as_self_component_port(
                        self_port));
        BT_ASSERT(port_data);
-       notif_iter_data = g_new0(struct ctf_fs_notif_iter_data, 1);
-       if (!notif_iter_data) {
-               ret = BT_SELF_NOTIFICATION_ITERATOR_STATUS_NOMEM;
+       msg_iter_data = g_new0(struct ctf_fs_msg_iter_data, 1);
+       if (!msg_iter_data) {
+               ret = BT_SELF_MESSAGE_ITERATOR_STATUS_NOMEM;
                goto error;
        }
 
-       notif_iter_data->pc_notif_iter = self_notif_iter;
-       notif_iter_data->notif_iter = bt_notif_iter_create(
+       msg_iter_data->pc_msg_iter = self_msg_iter;
+       msg_iter_data->msg_iter = bt_msg_iter_create(
                port_data->ds_file_group->ctf_fs_trace->metadata->tc,
                bt_common_get_page_size() * 8,
                ctf_fs_ds_file_medops, NULL);
-       if (!notif_iter_data->notif_iter) {
-               BT_LOGE_STR("Cannot create a CTF notification iterator.");
-               ret = BT_SELF_NOTIFICATION_ITERATOR_STATUS_NOMEM;
+       if (!msg_iter_data->msg_iter) {
+               BT_LOGE_STR("Cannot create a CTF message iterator.");
+               ret = BT_SELF_MESSAGE_ITERATOR_STATUS_NOMEM;
                goto error;
        }
 
-       notif_iter_data->ds_file_group = port_data->ds_file_group;
-       iret = notif_iter_data_set_current_ds_file(notif_iter_data);
+       msg_iter_data->ds_file_group = port_data->ds_file_group;
+       iret = msg_iter_data_set_current_ds_file(msg_iter_data);
        if (iret) {
-               ret = BT_SELF_NOTIFICATION_ITERATOR_STATUS_ERROR;
+               ret = BT_SELF_MESSAGE_ITERATOR_STATUS_ERROR;
                goto error;
        }
 
-       bt_self_notification_iterator_set_data(self_notif_iter,
-               notif_iter_data);
-       if (ret != BT_SELF_NOTIFICATION_ITERATOR_STATUS_OK) {
+       bt_self_message_iterator_set_data(self_msg_iter,
+               msg_iter_data);
+       if (ret != BT_SELF_MESSAGE_ITERATOR_STATUS_OK) {
                goto error;
        }
 
-       notif_iter_data = NULL;
+       msg_iter_data = NULL;
        goto end;
 
 error:
-       bt_self_notification_iterator_set_data(self_notif_iter, NULL);
+       bt_self_message_iterator_set_data(self_msg_iter, NULL);
 
 end:
-       ctf_fs_notif_iter_data_destroy(notif_iter_data);
+       ctf_fs_msg_iter_data_destroy(msg_iter_data);
        return ret;
 }
 
@@ -341,7 +341,7 @@ void ctf_fs_trace_destroy(struct ctf_fs_trace *ctf_fs_trace)
 }
 
 static
-void ctf_fs_trace_destroy_notifier(void *data)
+void ctf_fs_trace_destroy_msgier(void *data)
 {
        struct ctf_fs_trace *trace = data;
        ctf_fs_trace_destroy(trace);
@@ -623,18 +623,18 @@ int add_ds_file_to_ds_file_group(struct ctf_fs_trace *ctf_fs_trace,
        size_t i;
        struct ctf_fs_ds_file *ds_file = NULL;
        struct ctf_fs_ds_index *index = NULL;
-       struct bt_notif_iter *notif_iter = NULL;
+       struct bt_msg_iter *msg_iter = NULL;
        struct ctf_stream_class *sc = NULL;
-       struct bt_notif_iter_packet_properties props;
+       struct bt_msg_iter_packet_properties props;
 
-       notif_iter = bt_notif_iter_create(ctf_fs_trace->metadata->tc,
+       msg_iter = bt_msg_iter_create(ctf_fs_trace->metadata->tc,
                bt_common_get_page_size() * 8, ctf_fs_ds_file_medops, NULL);
-       if (!notif_iter) {
-               BT_LOGE_STR("Cannot create a CTF notification iterator.");
+       if (!msg_iter) {
+               BT_LOGE_STR("Cannot create a CTF message iterator.");
                goto error;
        }
 
-       ds_file = ctf_fs_ds_file_create(ctf_fs_trace, NULL, notif_iter,
+       ds_file = ctf_fs_ds_file_create(ctf_fs_trace, NULL, msg_iter,
                NULL, path);
        if (!ds_file) {
                goto error;
@@ -648,7 +648,7 @@ int add_ds_file_to_ds_file_group(struct ctf_fs_trace *ctf_fs_trace,
                goto error;
        }
 
-       ret = bt_notif_iter_get_packet_properties(ds_file->notif_iter, &props);
+       ret = bt_msg_iter_get_packet_properties(ds_file->msg_iter, &props);
        BT_ASSERT(ret == 0);
        sc = ctf_trace_class_borrow_stream_class_by_id(ds_file->metadata->tc,
                props.stream_class_id);
@@ -757,8 +757,8 @@ end:
 
        ctf_fs_ds_file_destroy(ds_file);
 
-       if (notif_iter) {
-               bt_notif_iter_destroy(notif_iter);
+       if (msg_iter) {
+               bt_msg_iter_destroy(msg_iter);
        }
 
        ctf_fs_ds_index_destroy(index);
@@ -1361,7 +1361,7 @@ struct ctf_fs_component *ctf_fs_create(
        }
 
        ctf_fs->traces = g_ptr_array_new_with_free_func(
-                       ctf_fs_trace_destroy_notifier);
+                       ctf_fs_trace_destroy_msgier);
        if (!ctf_fs->traces) {
                goto error;
        }
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