/*
- * fs.c
- *
- * Babeltrace CTF file system Reader Component
+ * SPDX-License-Identifier: MIT
*
* Copyright 2015-2017 Philippe Proulx <pproulx@efficios.com>
* Copyright 2016 Jérémie Galarneau <jeremie.galarneau@efficios.com>
*
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
+ * Babeltrace CTF file system Reader Component
*/
#define BT_COMP_LOG_SELF_COMP self_comp
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
-bt_component_class_message_iterator_next_method_status ctf_fs_iterator_next_one(
+bt_message_iterator_class_next_method_status ctf_fs_iterator_next_one(
struct ctf_fs_msg_iter_data *msg_iter_data,
const bt_message **out_msg)
{
- bt_component_class_message_iterator_next_method_status status;
+ bt_message_iterator_class_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);
+ msg_iter_status = ctf_msg_iter_get_next_message(
+ msg_iter_data->msg_iter, out_msg);
- while (true) {
- status = ctf_fs_ds_file_next(msg_iter_data->msg_iter, out_msg);
- switch (status) {
- case BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_OK:
- goto end;
- case BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_END:
- {
- int ret;
+ switch (msg_iter_status) {
+ case CTF_MSG_ITER_STATUS_OK:
+ /* Cool, message has been written to *out_msg. */
+ status = BT_MESSAGE_ITERATOR_CLASS_NEXT_METHOD_STATUS_OK;
+ break;
- 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 */
- goto end;
- }
+ case CTF_MSG_ITER_STATUS_EOF:
+ status = BT_MESSAGE_ITERATOR_CLASS_NEXT_METHOD_STATUS_END;
+ 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_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();
- /*
- * 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_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_MESSAGE_ITERATOR_CLASS_NEXT_METHOD_STATUS_ERROR;
+ break;
- /* Continue the loop to get the next message */
- break;
- }
- default:
- goto end;
- }
+ 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_MESSAGE_ITERATOR_CLASS_NEXT_METHOD_STATUS_MEMORY_ERROR;
+ break;
+
+ default:
+ bt_common_abort();
}
-end:
return status;
}
BT_HIDDEN
-bt_component_class_message_iterator_next_method_status ctf_fs_iterator_next(
+bt_message_iterator_class_next_method_status ctf_fs_iterator_next(
bt_self_message_iterator *iterator,
bt_message_array_const msgs, uint64_t capacity,
uint64_t *count)
{
- bt_component_class_message_iterator_next_method_status status;
+ bt_message_iterator_class_next_method_status status;
struct ctf_fs_msg_iter_data *msg_iter_data =
bt_self_message_iterator_get_data(iterator);
uint64_t i = 0;
do {
status = ctf_fs_iterator_next_one(msg_iter_data, &msgs[i]);
- if (status == BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_OK) {
+ if (status == BT_MESSAGE_ITERATOR_CLASS_NEXT_METHOD_STATUS_OK) {
i++;
}
} while (i < capacity &&
- status == BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_OK);
+ status == BT_MESSAGE_ITERATOR_CLASS_NEXT_METHOD_STATUS_OK);
if (i > 0) {
/*
* Even if ctf_fs_iterator_next_one() returned something
- * else than BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_OK, we
+ * else than BT_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_OK, we
* accumulated message objects in the output
* message array, so we need to return
- * BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_OK so that they are
+ * BT_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_OK so that they are
* transfered to downstream. This other status occurs
* again the next time muxer_msg_iter_do_next() is
* called, possibly without any accumulated
}
*count = i;
- status = BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_OK;
+ status = BT_MESSAGE_ITERATOR_CLASS_NEXT_METHOD_STATUS_OK;
}
end:
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
+bt_message_iterator_class_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_MESSAGE_ITERATOR_CLASS_SEEK_BEGINNING_METHOD_STATUS_OK;
}
BT_HIDDEN
}
BT_HIDDEN
-bt_component_class_message_iterator_initialize_method_status ctf_fs_iterator_init(
+bt_message_iterator_class_initialize_method_status ctf_fs_iterator_init(
bt_self_message_iterator *self_msg_iter,
bt_self_message_iterator_configuration *config,
- bt_self_component_source *self_comp_src,
bt_self_component_port_output *self_port)
{
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_message_iterator_class_initialize_method_status status;
bt_logging_level log_level;
+ enum ctf_msg_iter_medium_status medium_status;
bt_self_component *self_comp =
- bt_self_component_source_as_self_component(self_comp_src);
+ bt_self_message_iterator_borrow_component(self_msg_iter);
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_MESSAGE_ITERATOR_CLASS_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;
- 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;
+ status = BT_MESSAGE_ITERATOR_CLASS_INITIALIZE_METHOD_STATUS_MEMORY_ERROR;
goto error;
}
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_MESSAGE_ITERATOR_CLASS_INITIALIZE_METHOD_STATUS_OK;
goto end;
error:
end:
ctf_fs_msg_iter_data_destroy(msg_iter_data);
- return ret;
+ return status;
}
static
g_ptr_array_free(ds_file_group->ds_file_infos, TRUE);
}
- if (ds_file_group->index) {
- if (ds_file_group->index->entries) {
- g_ptr_array_free(ds_file_group->index->entries, TRUE);
- }
- g_free(ds_file_group->index);
- }
+ ctf_fs_ds_index_destroy(ds_file_group->index);
bt_stream_put_ref(ds_file_group->stream);
g_free(ds_file_group);
struct ctf_fs_ds_index_entry *entry)
{
guint i;
- struct ctf_fs_ds_index_entry *other_entry;
+ struct ctf_fs_ds_index_entry *other_entry = NULL;
/* Find the spot where to insert this index entry. */
for (i = 0; i < index->entries->len; i++) {
goto error;
}
+ ctf_msg_iter_set_dry_run(msg_iter, true);
+
ret = ctf_msg_iter_get_packet_properties(msg_iter, &props);
if (ret) {
BT_COMP_OR_COMP_CLASS_LOGE_APPEND_CAUSE(self_comp, self_comp_class,
if (begin_ns == -1) {
/*
- * No beggining timestamp to sort the stream files
+ * No beginning timestamp to sort the stream files
* within a stream file group, so consider that this
* file must be the only one within its group.
*/
first_ds_file_info_b->path->str);
}
+static
+gint compare_strings(gconstpointer p_a, gconstpointer p_b)
+{
+ const char *a = *((const char **) p_a);
+ const char *b = *((const char **) p_b);
+
+ return strcmp(a, b);
+}
+
int ctf_fs_component_create_ctf_fs_trace(
struct ctf_fs_component *ctf_fs,
const bt_value *paths_value,
int ret = 0;
uint64_t i;
bt_logging_level log_level = ctf_fs->log_level;
+ GPtrArray *paths = NULL;
GPtrArray *traces;
const char *trace_name;
goto error;
}
+ paths = g_ptr_array_new_with_free_func(g_free);
+ if (!paths) {
+ BT_COMP_OR_COMP_CLASS_LOGE_APPEND_CAUSE(self_comp, self_comp_class,
+ "Failed to allocate a GPtrArray.");
+ goto error;
+ }
+
trace_name = trace_name_value ? bt_value_string_get(trace_name_value) : NULL;
- /* Start by creating a separate ctf_fs_trace object for each path. */
+ /*
+ * Create a sorted array of the paths, to make the execution of this
+ * component deterministic.
+ */
for (i = 0; i < bt_value_array_get_length(paths_value); i++) {
- const bt_value *path_value = bt_value_array_borrow_element_by_index_const(paths_value, i);
+ const bt_value *path_value =
+ bt_value_array_borrow_element_by_index_const(paths_value, i);
const char *input = bt_value_string_get(path_value);
+ gchar *input_copy;
+
+ input_copy = g_strdup(input);
+ if (!input_copy) {
+ BT_COMP_OR_COMP_CLASS_LOGE_APPEND_CAUSE(self_comp, self_comp_class,
+ "Failed to copy a string.");
+ goto error;
+ }
+
+ g_ptr_array_add(paths, input_copy);
+ }
+
+ g_ptr_array_sort(paths, compare_strings);
+
+ /* Create a separate ctf_fs_trace object for each path. */
+ for (i = 0; i < paths->len; i++) {
+ const char *path = g_ptr_array_index(paths, i);
ret = ctf_fs_component_create_ctf_fs_trace_one_path(ctf_fs,
- input, trace_name, traces, self_comp, self_comp_class);
+ path, trace_name, traces, self_comp, self_comp_class);
if (ret) {
goto end;
}
ret = -1;
end:
- g_ptr_array_free(traces, TRUE);
+ if (traces) {
+ g_ptr_array_free(traces, TRUE);
+ }
+
+ if (paths) {
+ g_ptr_array_free(paths, TRUE);
+ }
+
return ret;
}
projects / babeltrace.git / blobdiff