} \
} while (0)
+/*
+ * Logs error and appends error cause from message iterator context.
+ *
+ * There is no BT_SELF_MSG_LOGE yet, so use BT_COMP_LOGE for now.
+ */
+#define BT_MSG_ITER_LOGE_APPEND_CAUSE(_self_msg_iter, _fmt, ...) \
+ do { \
+ BT_COMP_LOG(BT_LOG_ERROR, bt_self_message_iterator_borrow_component(_self_msg_iter), \
+ _fmt, ##__VA_ARGS__); \
+ (void) BT_CURRENT_THREAD_ERROR_APPEND_CAUSE_FROM_MESSAGE_ITERATOR( \
+ _self_msg_iter, _fmt, ##__VA_ARGS__); \
+ } while (0)
+
#endif /* BABELTRACE_LOGGING_COMP_LOGGING_H */
static
enum ctf_msg_iter_status switch_packet_state(struct ctf_msg_iter *msg_it)
{
- enum ctf_msg_iter_status status = CTF_MSG_ITER_STATUS_OK;
+ enum ctf_msg_iter_status status;
bt_self_component *self_comp = msg_it->self_comp;
/*
release_all_dscopes(msg_it);
msg_it->cur_dscope_field = NULL;
+ if (msg_it->medium.medops.switch_packet) {
+ enum ctf_msg_iter_medium_status medium_status;
+
+ medium_status = msg_it->medium.medops.switch_packet(msg_it->medium.data);
+ if (medium_status == CTF_MSG_ITER_MEDIUM_STATUS_EOF) {
+ /* No more packets. */
+ msg_it->state = STATE_CHECK_EMIT_MSG_STREAM_END;
+ status = CTF_MSG_ITER_STATUS_OK;
+ goto end;
+ } else if (medium_status != CTF_MSG_ITER_MEDIUM_STATUS_OK) {
+ status = (int) medium_status;
+ goto end;
+ }
+
+ /*
+ * After the packet switch, the medium might want to give us a
+ * different buffer for the new packet.
+ */
+ status = request_medium_bytes(msg_it);
+ if (status != CTF_MSG_ITER_STATUS_OK) {
+ goto end;
+ }
+ }
+
/*
* Adjust current buffer so that addr points to the beginning of the new
* packet.
msg_it->snapshots.end_clock = UINT64_C(-1);
msg_it->state = STATE_DSCOPE_TRACE_PACKET_HEADER_BEGIN;
+ status = CTF_MSG_ITER_STATUS_OK;
end:
return status;
}
return status;
}
-BT_HIDDEN
-void ctf_msg_iter_set_medops_data(struct ctf_msg_iter *msg_it,
- void *medops_data)
-{
- BT_ASSERT(msg_it);
- msg_it->medium.data = medops_data;
-}
-
BT_HIDDEN
enum ctf_msg_iter_status ctf_msg_iter_seek(struct ctf_msg_iter *msg_it,
off_t offset)
*/
/**
- * Medium operations status codes.
+ * Medium operations status codes. These use the same values as
+ * libbabeltrace2.
*/
enum ctf_msg_iter_medium_status {
/**
/** General error. */
CTF_MSG_ITER_MEDIUM_STATUS_ERROR = -1,
+ /** Memory error. */
+ CTF_MSG_ITER_MEDIUM_STATUS_MEMORY_ERROR = -12,
+
/** Everything okay. */
CTF_MSG_ITER_MEDIUM_STATUS_OK = 0,
};
/** General error. */
CTF_MSG_ITER_STATUS_ERROR = CTF_MSG_ITER_MEDIUM_STATUS_ERROR,
+ /** Memory error. */
+ CTF_MSG_ITER_STATUS_MEMORY_ERROR = CTF_MSG_ITER_MEDIUM_STATUS_MEMORY_ERROR,
+
/** Everything okay. */
CTF_MSG_ITER_STATUS_OK = CTF_MSG_ITER_MEDIUM_STATUS_OK,
};
*/
enum ctf_msg_iter_medium_status (* seek)(off_t offset, void *data);
+ /**
+ * Called when the message iterator wishes to inform the medium that it
+ * is about to start a new packet.
+ *
+ * After the iterator has called switch_packet, the following call to
+ * request_bytes must return the content at the start of the next
+ * packet. */
+ enum ctf_msg_iter_medium_status (* switch_packet)(void *data);
+
/**
* Returns a stream instance (weak reference) for the given
* stream class.
enum ctf_msg_iter_status ctf_msg_iter_curr_packet_last_event_clock_snapshot(
struct ctf_msg_iter *msg_it, uint64_t *last_event_cs);
-BT_HIDDEN
-void ctf_msg_iter_set_medops_data(struct ctf_msg_iter *msg_it,
- void *medops_data);
-
BT_HIDDEN
enum ctf_msg_iter_status ctf_msg_iter_seek(
struct ctf_msg_iter *msg_it, off_t offset);
* mapping. If the currently mmap-ed region already contains
* `requested_offset_in_file`, the mapping is kept.
*
- * Set `ds_file->requested_offset_in_mapping` based on `request_offset_in_file`
+ * Set `ds_file->requested_offset_in_mapping` based on `request_offset_in_file`,
+ * such that the next call to `request_bytes` will return bytes starting at that
+ * position.
*
* `requested_offset_in_file` must be a valid offset in the file.
*/
.seek = medop_seek,
};
+struct ctf_fs_ds_group_medops_data {
+ /* Weak, set once at creation time. */
+ struct ctf_fs_ds_file_group *ds_file_group;
+
+ /*
+ * Index (as in element rank) of the index entry of ds_file_groups'
+ * index we will read next (so, the one after the one we are reading
+ * right now).
+ */
+ guint next_index_entry_index;
+
+ /*
+ * File we are currently reading. Changes whenever we switch to
+ * reading another data file.
+ *
+ * Owned by this.
+ */
+ struct ctf_fs_ds_file *file;
+
+ /* Weak, for context / logging / appending causes. */
+ bt_self_message_iterator *self_msg_iter;
+ bt_logging_level log_level;
+};
+
+static
+enum ctf_msg_iter_medium_status medop_group_request_bytes(
+ size_t request_sz,
+ uint8_t **buffer_addr,
+ size_t *buffer_sz,
+ void *void_data)
+{
+ struct ctf_fs_ds_group_medops_data *data = void_data;
+
+ /* Return bytes from the current file. */
+ return medop_request_bytes(request_sz, buffer_addr, buffer_sz, data->file);
+}
+
+static
+bt_stream *medop_group_borrow_stream(
+ bt_stream_class *stream_class,
+ int64_t stream_id,
+ void *void_data)
+{
+ struct ctf_fs_ds_group_medops_data *data = void_data;
+
+ return medop_borrow_stream(stream_class, stream_id, data->file);
+}
+
+/*
+ * Set `data->file` to prepare it to read the packet described
+ * by `index_entry`.
+ */
+
+static
+enum ctf_msg_iter_medium_status ctf_fs_ds_group_medops_set_file(
+ struct ctf_fs_ds_group_medops_data *data,
+ struct ctf_fs_ds_index_entry *index_entry,
+ bt_self_message_iterator *self_msg_iter,
+ bt_logging_level log_level)
+{
+ enum ctf_msg_iter_medium_status status;
+
+ BT_ASSERT(data);
+ BT_ASSERT(index_entry);
+
+ /* Check if that file is already the one mapped. */
+ if (!data->file || strcmp(index_entry->path, data->file->file->path->str) != 0) {
+ /* Destroy the previously used file. */
+ ctf_fs_ds_file_destroy(data->file);
+
+ /* Create the new file. */
+ data->file = ctf_fs_ds_file_create(
+ data->ds_file_group->ctf_fs_trace,
+ self_msg_iter,
+ data->ds_file_group->stream,
+ index_entry->path,
+ log_level);
+ if (!data->file) {
+ BT_MSG_ITER_LOGE_APPEND_CAUSE(self_msg_iter,
+ "failed to create ctf_fs_ds_file.");
+ status = CTF_MSG_ITER_MEDIUM_STATUS_ERROR;
+ goto end;
+ }
+ }
+
+ /*
+ * Ensure the right portion of the file will be returned on the next
+ * request_bytes call.
+ */
+ status = ds_file_mmap(data->file, index_entry->offset);
+ if (status != CTF_MSG_ITER_MEDIUM_STATUS_OK) {
+ goto end;
+ }
+
+ status = CTF_MSG_ITER_MEDIUM_STATUS_OK;
+
+end:
+ return status;
+}
+
+static
+enum ctf_msg_iter_medium_status medop_group_switch_packet(void *void_data)
+{
+ struct ctf_fs_ds_group_medops_data *data = void_data;
+ struct ctf_fs_ds_index_entry *index_entry;
+ enum ctf_msg_iter_medium_status status;
+
+ /* If we have gone through all index entries, we are done. */
+ if (data->next_index_entry_index >=
+ data->ds_file_group->index->entries->len) {
+ status = CTF_MSG_ITER_MEDIUM_STATUS_EOF;
+ goto end;
+ }
+
+ /*
+ * Otherwise, look up the next index entry / packet and prepare it
+ * for reading.
+ */
+ index_entry = g_ptr_array_index(
+ data->ds_file_group->index->entries,
+ data->next_index_entry_index);
+
+ status = ctf_fs_ds_group_medops_set_file(
+ data, index_entry, data->self_msg_iter, data->log_level);
+ if (status != CTF_MSG_ITER_MEDIUM_STATUS_OK) {
+ goto end;
+ }
+
+ data->next_index_entry_index++;
+
+ status = CTF_MSG_ITER_MEDIUM_STATUS_OK;
+end:
+ return status;
+}
+
+BT_HIDDEN
+void ctf_fs_ds_group_medops_data_destroy(
+ struct ctf_fs_ds_group_medops_data *data)
+{
+ if (!data) {
+ goto end;
+ }
+
+ ctf_fs_ds_file_destroy(data->file);
+
+ g_free(data);
+
+end:
+ return;
+}
+
+enum ctf_msg_iter_medium_status ctf_fs_ds_group_medops_data_create(
+ struct ctf_fs_ds_file_group *ds_file_group,
+ bt_self_message_iterator *self_msg_iter,
+ bt_logging_level log_level,
+ struct ctf_fs_ds_group_medops_data **out)
+{
+ struct ctf_fs_ds_group_medops_data *data;
+ enum ctf_msg_iter_medium_status status;
+
+ BT_ASSERT(self_msg_iter);
+ BT_ASSERT(ds_file_group);
+ BT_ASSERT(ds_file_group->index);
+ BT_ASSERT(ds_file_group->index->entries->len > 0);
+
+ data = g_new0(struct ctf_fs_ds_group_medops_data, 1);
+ if (!data) {
+ BT_MSG_ITER_LOGE_APPEND_CAUSE(self_msg_iter,
+ "Failed to allocate a struct ctf_fs_ds_group_medops_data");
+ status = CTF_MSG_ITER_MEDIUM_STATUS_MEMORY_ERROR;
+ goto error;
+ }
+
+ data->ds_file_group = ds_file_group;
+ data->self_msg_iter = self_msg_iter;
+ data->log_level = log_level;
+
+ /*
+ * No need to prepare the first file. ctf_msg_iter will call
+ * switch_packet before reading the first packet, it will be
+ * done then.
+ */
+
+ *out = data;
+ status = CTF_MSG_ITER_MEDIUM_STATUS_OK;
+ goto end;
+
+error:
+ ctf_fs_ds_group_medops_data_destroy(data);
+
+end:
+ return status;
+}
+
+void ctf_fs_ds_group_medops_data_reset(struct ctf_fs_ds_group_medops_data *data)
+{
+ data->next_index_entry_index = 0;
+}
+
+struct ctf_msg_iter_medium_ops ctf_fs_ds_group_medops = {
+ .request_bytes = medop_group_request_bytes,
+ .borrow_stream = medop_group_borrow_stream,
+ .switch_packet = medop_group_switch_packet,
+
+ /*
+ * We don't support seeking using this medops. It would probably be
+ * possible, but it's not needed at the moment.
+ */
+ .seek = NULL,
+};
+
static
struct ctf_fs_ds_index_entry *ctf_fs_ds_index_entry_create(
bt_self_component *self_comp, bt_logging_level log_level)
struct ctf_fs_file;
struct ctf_fs_trace;
struct ctf_fs_ds_file;
+struct ctf_fs_ds_file_group;
+struct ctf_fs_ds_group_medops_data;
struct ctf_fs_ds_file_info {
/* Owned by this. */
BT_HIDDEN
void ctf_fs_ds_index_destroy(struct ctf_fs_ds_index *index);
+/*
+ * Medium operations to iterate on a single ctf_fs_ds_file.
+ *
+ * The data pointer when using this must be a pointer to the ctf_fs_ds_file.
+ */
extern struct ctf_msg_iter_medium_ops ctf_fs_ds_file_medops;
+/*
+ * Medium operations to iterate on the packet of a ctf_fs_ds_group.
+ *
+ * The iteration is done based on the index of the group.
+ *
+ * The data pointer when using these medops must be a pointer to a ctf_fs_ds
+ * group_medops_data structure.
+ */
+extern struct ctf_msg_iter_medium_ops ctf_fs_ds_group_medops;
+
+BT_HIDDEN
+enum ctf_msg_iter_medium_status ctf_fs_ds_group_medops_data_create(
+ struct ctf_fs_ds_file_group *ds_file_group,
+ bt_self_message_iterator *self_msg_iter,
+ bt_logging_level log_level,
+ struct ctf_fs_ds_group_medops_data **out);
+
+BT_HIDDEN
+void ctf_fs_ds_group_medops_data_reset(struct ctf_fs_ds_group_medops_data *data);
+
+BT_HIDDEN
+void ctf_fs_ds_group_medops_data_destroy(
+ struct ctf_fs_ds_group_medops_data *data);
+
#endif /* CTF_FS_DS_FILE_H */
int64_t patch;
};
-static
-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(msg_iter_data->ds_file_info_index <
- msg_iter_data->ds_file_group->ds_file_infos->len);
- ds_file_info = g_ptr_array_index(
- msg_iter_data->ds_file_group->ds_file_infos,
- msg_iter_data->ds_file_info_index);
-
- /* Destroy the previous ds file. */
- ctf_fs_ds_file_destroy(msg_iter_data->ds_file);
-
- /* Create the new ds file. */
- msg_iter_data->ds_file = ctf_fs_ds_file_create(
- msg_iter_data->ds_file_group->ctf_fs_trace,
- msg_iter_data->self_msg_iter,
- msg_iter_data->ds_file_group->stream,
- ds_file_info->path->str,
- msg_iter_data->log_level);
- if (!msg_iter_data->ds_file) {
- ret = -1;
- }
-
- /* Tell the ctf message iterator to iterate on the new ds file. */
- ctf_msg_iter_set_medops_data(msg_iter_data->msg_iter,
- msg_iter_data->ds_file);
-
- return ret;
-}
-
static
void ctf_fs_msg_iter_data_destroy(
struct ctf_fs_msg_iter_data *msg_iter_data)
return;
}
- ctf_fs_ds_file_destroy(msg_iter_data->ds_file);
-
if (msg_iter_data->msg_iter) {
ctf_msg_iter_destroy(msg_iter_data->msg_iter);
}
- g_free(msg_iter_data);
-}
+ if (msg_iter_data->msg_iter_medops_data) {
+ ctf_fs_ds_group_medops_data_destroy(
+ msg_iter_data->msg_iter_medops_data);
+ }
-static
-void set_msg_iter_emits_stream_beginning_end_messages(
- struct ctf_fs_msg_iter_data *msg_iter_data)
-{
- ctf_msg_iter_set_emit_stream_beginning_message(
- msg_iter_data->msg_iter,
- msg_iter_data->ds_file_info_index == 0);
- ctf_msg_iter_set_emit_stream_end_message(
- msg_iter_data->msg_iter,
- msg_iter_data->ds_file_info_index ==
- msg_iter_data->ds_file_group->ds_file_infos->len - 1);
+ g_free(msg_iter_data);
}
static
const bt_message **out_msg)
{
bt_component_class_message_iterator_next_method_status status;
+ enum ctf_msg_iter_status msg_iter_status;
+ bt_logging_level log_level = msg_iter_data->log_level;
- BT_ASSERT_DBG(msg_iter_data->ds_file);
-
- while (true) {
- enum ctf_msg_iter_status msg_iter_status;
- int ret;
-
- msg_iter_status = ctf_msg_iter_get_next_message(
- msg_iter_data->msg_iter, out_msg);
-
- switch (msg_iter_status) {
- case CTF_MSG_ITER_STATUS_OK:
- /* Cool, message has been written to *out_msg. */
- status = BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_OK;
- goto end;
+ msg_iter_status = ctf_msg_iter_get_next_message(
+ msg_iter_data->msg_iter, out_msg);
- case CTF_MSG_ITER_STATUS_EOF:
- if (msg_iter_data->ds_file_info_index ==
- msg_iter_data->ds_file_group->ds_file_infos->len - 1) {
- /* End of all group's stream files */
- status = BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_END;
- goto end;
- }
+ switch (msg_iter_status) {
+ case CTF_MSG_ITER_STATUS_OK:
+ /* Cool, message has been written to *out_msg. */
+ status = BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_OK;
+ break;
- msg_iter_data->ds_file_info_index++;
- ctf_msg_iter_reset_for_next_stream_file(
- msg_iter_data->msg_iter);
- set_msg_iter_emits_stream_beginning_end_messages(
- msg_iter_data);
+ case CTF_MSG_ITER_STATUS_EOF:
+ status = BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_END;
+ break;
- /*
- * Open and start reading the next stream file
- * within our stream file group.
- */
- ret = msg_iter_data_set_current_ds_file(msg_iter_data);
- if (ret) {
- status = BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_ERROR;
- goto end;
- }
+ case CTF_MSG_ITER_STATUS_AGAIN:
+ /*
+ * Should not make it this far as this is
+ * medium-specific; there is nothing for the user to do
+ * and it should have been handled upstream.
+ */
+ bt_common_abort();
- /* Continue the loop to get the next message. */
- break;
+ case CTF_MSG_ITER_MEDIUM_STATUS_ERROR:
+ BT_MSG_ITER_LOGE_APPEND_CAUSE(msg_iter_data->self_msg_iter,
+ "Failed to get next message from CTF message iterator.");
+ status = BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_ERROR;
+ break;
- case CTF_MSG_ITER_STATUS_AGAIN:
- /*
- * Should not make it this far as this is
- * medium-specific; there is nothing for the user to do
- * and it should have been handled upstream.
- */
- bt_common_abort();
+ case CTF_MSG_ITER_MEDIUM_STATUS_MEMORY_ERROR:
+ BT_MSG_ITER_LOGE_APPEND_CAUSE(msg_iter_data->self_msg_iter,
+ "Failed to get next message from CTF message iterator.");
+ status = BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_MEMORY_ERROR;
+ break;
- default:
- status = BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_ERROR;
- goto end;
- }
+ default:
+ bt_common_abort();
}
-end:
return status;
}
return status;
}
-static
-int ctf_fs_iterator_reset(struct ctf_fs_msg_iter_data *msg_iter_data)
-{
- int ret;
-
- msg_iter_data->ds_file_info_index = 0;
- ret = msg_iter_data_set_current_ds_file(msg_iter_data);
- if (ret) {
- goto end;
- }
-
- ctf_msg_iter_reset(msg_iter_data->msg_iter);
- set_msg_iter_emits_stream_beginning_end_messages(msg_iter_data);
-
-end:
- return ret;
-}
-
BT_HIDDEN
bt_component_class_message_iterator_seek_beginning_method_status
ctf_fs_iterator_seek_beginning(bt_self_message_iterator *it)
{
struct ctf_fs_msg_iter_data *msg_iter_data =
bt_self_message_iterator_get_data(it);
- bt_component_class_message_iterator_seek_beginning_method_status status =
- BT_COMPONENT_CLASS_MESSAGE_ITERATOR_SEEK_BEGINNING_METHOD_STATUS_OK;
BT_ASSERT(msg_iter_data);
- if (ctf_fs_iterator_reset(msg_iter_data)) {
- status = BT_COMPONENT_CLASS_MESSAGE_ITERATOR_SEEK_BEGINNING_METHOD_STATUS_ERROR;
- }
- return status;
+ ctf_msg_iter_reset(msg_iter_data->msg_iter);
+ ctf_fs_ds_group_medops_data_reset(msg_iter_data->msg_iter_medops_data);
+
+ return BT_COMPONENT_CLASS_MESSAGE_ITERATOR_SEEK_BEGINNING_METHOD_STATUS_OK;
}
BT_HIDDEN
{
struct ctf_fs_port_data *port_data;
struct ctf_fs_msg_iter_data *msg_iter_data = NULL;
- bt_component_class_message_iterator_initialize_method_status ret =
- BT_COMPONENT_CLASS_MESSAGE_ITERATOR_INITIALIZE_METHOD_STATUS_OK;
+ bt_component_class_message_iterator_initialize_method_status status;
bt_logging_level log_level;
bt_self_component *self_comp =
bt_self_component_source_as_self_component(self_comp_src);
+ enum ctf_msg_iter_medium_status medium_status;
port_data = bt_self_component_port_get_data(
bt_self_component_port_output_as_self_component_port(
log_level = port_data->ctf_fs->log_level;
msg_iter_data = g_new0(struct ctf_fs_msg_iter_data, 1);
if (!msg_iter_data) {
- ret = BT_COMPONENT_CLASS_MESSAGE_ITERATOR_INITIALIZE_METHOD_STATUS_MEMORY_ERROR;
+ status = BT_COMPONENT_CLASS_MESSAGE_ITERATOR_INITIALIZE_METHOD_STATUS_MEMORY_ERROR;
goto error;
}
msg_iter_data->log_level = log_level;
msg_iter_data->self_comp = self_comp;
msg_iter_data->self_msg_iter = self_msg_iter;
+ msg_iter_data->ds_file_group = port_data->ds_file_group;
+
+ medium_status = ctf_fs_ds_group_medops_data_create(
+ msg_iter_data->ds_file_group, self_msg_iter, log_level,
+ &msg_iter_data->msg_iter_medops_data);
+ BT_ASSERT(
+ medium_status == CTF_MSG_ITER_MEDIUM_STATUS_OK ||
+ medium_status == CTF_MSG_ITER_MEDIUM_STATUS_ERROR ||
+ medium_status == CTF_MSG_ITER_MEDIUM_STATUS_MEMORY_ERROR);
+ if (medium_status != CTF_MSG_ITER_MEDIUM_STATUS_OK) {
+ BT_MSG_ITER_LOGE_APPEND_CAUSE(self_msg_iter,
+ "Failed to create ctf_fs_ds_group_medops");
+ status = (int) medium_status;
+ goto error;
+ }
+
msg_iter_data->msg_iter = ctf_msg_iter_create(
- port_data->ds_file_group->ctf_fs_trace->metadata->tc,
+ msg_iter_data->ds_file_group->ctf_fs_trace->metadata->tc,
bt_common_get_page_size(msg_iter_data->log_level) * 8,
- ctf_fs_ds_file_medops, NULL, msg_iter_data->log_level,
+ ctf_fs_ds_group_medops,
+ msg_iter_data->msg_iter_medops_data,
+ msg_iter_data->log_level,
self_comp, self_msg_iter);
if (!msg_iter_data->msg_iter) {
BT_COMP_LOGE_APPEND_CAUSE(self_comp, "Cannot create a CTF message iterator.");
- ret = BT_COMPONENT_CLASS_MESSAGE_ITERATOR_INITIALIZE_METHOD_STATUS_MEMORY_ERROR;
+ status = BT_COMPONENT_CLASS_MESSAGE_ITERATOR_INITIALIZE_METHOD_STATUS_MEMORY_ERROR;
goto error;
}
- msg_iter_data->ds_file_group = port_data->ds_file_group;
- if (ctf_fs_iterator_reset(msg_iter_data)) {
- ret = BT_COMPONENT_CLASS_MESSAGE_ITERATOR_INITIALIZE_METHOD_STATUS_ERROR;
- goto error;
- }
+ /* FIXME: This is temporary, those functions will be removed. */
+ ctf_msg_iter_set_emit_stream_end_message(
+ msg_iter_data->msg_iter, true);
+ ctf_msg_iter_set_emit_stream_beginning_message(
+ msg_iter_data->msg_iter, true);
/*
* This iterator can seek forward if its stream class has a default
bt_self_message_iterator_set_data(self_msg_iter,
msg_iter_data);
- if (ret != BT_COMPONENT_CLASS_MESSAGE_ITERATOR_INITIALIZE_METHOD_STATUS_OK) {
- goto error;
- }
msg_iter_data = NULL;
+
+ status = BT_COMPONENT_CLASS_MESSAGE_ITERATOR_INITIALIZE_METHOD_STATUS_OK;
goto end;
error:
end:
ctf_fs_msg_iter_data_destroy(msg_iter_data);
- return ret;
+ return status;
}
static
/* Weak, belongs to ctf_fs_trace */
struct ctf_fs_ds_file_group *ds_file_group;
- /* Owned by this */
- struct ctf_fs_ds_file *ds_file;
-
- /* Which file the iterator is _currently_ operating on */
- size_t ds_file_info_index;
-
/* Owned by this */
struct ctf_msg_iter *msg_iter;
*/
bt_component_class_message_iterator_next_method_status next_saved_status;
const struct bt_error *next_saved_error;
+
+ struct ctf_fs_ds_group_medops_data *msg_iter_medops_data;
};
BT_HIDDEN