#include "query.h"
#include <stdbool.h>
-#include <assert.h>
+#include <babeltrace2/assert-internal.h>
#include "metadata.h"
#include "../common/metadata/decoder.h"
-#include <babeltrace/common-internal.h>
+#include <babeltrace2/common-internal.h>
+#include <babeltrace2/babeltrace-internal.h>
+#include <babeltrace2/babeltrace.h>
+#include "fs.h"
#define BT_LOG_TAG "PLUGIN-CTF-FS-QUERY-SRC"
#include "logging.h"
#define METADATA_TEXT_SIG "/* CTF 1.8"
+struct range {
+ int64_t begin_ns;
+ int64_t end_ns;
+ bool set;
+};
+
BT_HIDDEN
-struct bt_value *metadata_info_query(struct bt_component_class *comp_class,
- struct bt_value *params)
+bt_query_status metadata_info_query(
+ bt_self_component_class_source *comp_class,
+ const bt_value *params,
+ const bt_value **user_result)
{
- struct bt_value *results = NULL;
- struct bt_value *path_value = NULL;
+ bt_query_status status = BT_QUERY_STATUS_OK;
+ bt_value *result = NULL;
+ const bt_value *path_value = NULL;
char *metadata_text = NULL;
FILE *metadata_fp = NULL;
GString *g_metadata_text = NULL;
const char *path;
bool is_packetized;
- results = bt_value_map_create();
- if (!results) {
+ result = bt_value_map_create();
+ if (!result) {
+ status = BT_QUERY_STATUS_NOMEM;
goto error;
}
+ BT_ASSERT(params);
+
if (!bt_value_is_map(params)) {
- fprintf(stderr,
- "Query parameters is not a map value object\n");
+ BT_LOGE_STR("Query parameters is not a map value object.");
+ status = BT_QUERY_STATUS_INVALID_PARAMS;
goto error;
}
- path_value = bt_value_map_get(params, "path");
- ret = bt_value_string_get(path_value, &path);
- if (ret) {
- fprintf(stderr,
- "Cannot get `path` string parameter\n");
+ path_value = bt_value_map_borrow_entry_value_const(params, "path");
+ if (!path_value) {
+ BT_LOGE_STR("Mandatory `path` parameter missing");
+ status = BT_QUERY_STATUS_INVALID_PARAMS;
+ goto error;
+ }
+
+ if (!bt_value_is_string(path_value)) {
+ BT_LOGE_STR("`path` parameter is required to be a string value");
+ status = BT_QUERY_STATUS_INVALID_PARAMS;
goto error;
}
- assert(path);
+ path = bt_value_string_get(path_value);
+
+ BT_ASSERT(path);
metadata_fp = ctf_fs_metadata_open_file(path);
if (!metadata_fp) {
- fprintf(stderr,
- "Cannot open trace at path `%s`\n", path);
+ BT_LOGE("Cannot open trace metadata: path=\"%s\".", path);
goto error;
}
ret = ctf_metadata_decoder_packetized_file_stream_to_buf(
metadata_fp, &metadata_text, bo);
if (ret) {
- fprintf(stderr,
- "Cannot decode packetized metadata file\n");
+ BT_LOGE("Cannot decode packetized metadata file: path=\"%s\"",
+ path);
goto error;
}
} else {
long filesize;
- fseek(metadata_fp, 0, SEEK_END);
+ ret = fseek(metadata_fp, 0, SEEK_END);
+ if (ret) {
+ BT_LOGE_ERRNO("Failed to seek to the end of the metadata file",
+ ": path=\"%s\"", path);
+ goto error;
+ }
filesize = ftell(metadata_fp);
+ if (filesize < 0) {
+ BT_LOGE_ERRNO("Failed to get the current position in the metadata file",
+ ": path=\"%s\"", path);
+ goto error;
+ }
rewind(metadata_fp);
metadata_text = malloc(filesize + 1);
if (!metadata_text) {
- fprintf(stderr,
- "Cannot allocate buffer for metadata text\n");
+ BT_LOGE_STR("Cannot allocate buffer for metadata text.");
goto error;
}
if (fread(metadata_text, filesize, 1, metadata_fp) != 1) {
- fprintf(stderr,
- "Cannot read metadata file\n");
+ BT_LOGE_ERRNO("Cannot read metadata file", ": path=\"%s\"",
+ path);
goto error;
}
g_string_append(g_metadata_text, metadata_text);
- ret = bt_value_map_insert_string(results, "text",
+ ret = bt_value_map_insert_string_entry(result, "text",
g_metadata_text->str);
if (ret) {
- fprintf(stderr, "Cannot insert metadata text into results\n");
+ BT_LOGE_STR("Cannot insert metadata text into query result.");
goto error;
}
- ret = bt_value_map_insert_bool(results, "is-packetized",
+ ret = bt_value_map_insert_bool_entry(result, "is-packetized",
is_packetized);
if (ret) {
- fprintf(stderr, "Cannot insert is packetized into results\n");
+ BT_LOGE_STR("Cannot insert \"is-packetized\" attribute into query result.");
goto error;
}
goto end;
error:
- BT_PUT(results);
+ BT_VALUE_PUT_REF_AND_RESET(result);
+ result = NULL;
+
+ if (status >= 0) {
+ status = BT_QUERY_STATUS_ERROR;
+ }
end:
- bt_put(path_value);
free(metadata_text);
if (g_metadata_text) {
if (metadata_fp) {
fclose(metadata_fp);
}
- return results;
+
+ *user_result = result;
+ return status;
+}
+
+static
+int add_range(bt_value *info, struct range *range,
+ const char *range_name)
+{
+ int ret = 0;
+ bt_value_status status;
+ bt_value *range_map = NULL;
+
+ if (!range->set) {
+ /* Not an error. */
+ goto end;
+ }
+
+ range_map = bt_value_map_create();
+ if (!range_map) {
+ ret = -1;
+ goto end;
+ }
+
+ status = bt_value_map_insert_signed_integer_entry(range_map, "begin",
+ range->begin_ns);
+ if (status != BT_VALUE_STATUS_OK) {
+ ret = -1;
+ goto end;
+ }
+
+ status = bt_value_map_insert_signed_integer_entry(range_map, "end",
+ range->end_ns);
+ if (status != BT_VALUE_STATUS_OK) {
+ ret = -1;
+ goto end;
+ }
+
+ status = bt_value_map_insert_entry(info, range_name,
+ range_map);
+ if (status != BT_VALUE_STATUS_OK) {
+ ret = -1;
+ goto end;
+ }
+
+end:
+ bt_value_put_ref(range_map);
+ return ret;
+}
+
+static
+int add_stream_ids(bt_value *info, struct ctf_fs_ds_file_group *ds_file_group)
+{
+ int ret = 0;
+ bt_value_status status;
+
+ if (ds_file_group->stream_id != UINT64_C(-1)) {
+ status = bt_value_map_insert_unsigned_integer_entry(info, "id",
+ ds_file_group->stream_id);
+ if (status != BT_VALUE_STATUS_OK) {
+ ret = -1;
+ goto end;
+ }
+ }
+
+ status = bt_value_map_insert_unsigned_integer_entry(info, "class-id",
+ ds_file_group->sc->id);
+ if (status != BT_VALUE_STATUS_OK) {
+ ret = -1;
+ goto end;
+ }
+
+end:
+ return ret;
+}
+
+static
+int populate_stream_info(struct ctf_fs_ds_file_group *group,
+ bt_value *group_info, struct range *stream_range)
+{
+ int ret = 0;
+ size_t file_idx;
+ bt_value_status status;
+ bt_value *file_paths;
+ struct ctf_fs_ds_index_entry *first_ds_index_entry, *last_ds_index_entry;
+ gchar *port_name = NULL;
+
+ file_paths = bt_value_array_create();
+ if (!file_paths) {
+ ret = -1;
+ goto end;
+ }
+
+ for (file_idx = 0; file_idx < group->ds_file_infos->len; file_idx++) {
+ struct ctf_fs_ds_file_info *info =
+ g_ptr_array_index(group->ds_file_infos,
+ file_idx);
+
+ status = bt_value_array_append_string_element(file_paths,
+ info->path->str);
+ if (status != BT_VALUE_STATUS_OK) {
+ ret = -1;
+ goto end;
+ }
+ }
+
+ /*
+ * Since each `struct ctf_fs_ds_file_group` has a sorted array of
+ * `struct ctf_fs_ds_index_entry`, we can compute the stream range from
+ * the timestamp_begin of the first index entry and the timestamp_end
+ * of the last index entry.
+ */
+ BT_ASSERT(group->index);
+ BT_ASSERT(group->index->entries);
+ BT_ASSERT(group->index->entries->len > 0);
+
+ /* First entry. */
+ first_ds_index_entry = (struct ctf_fs_ds_index_entry *) g_ptr_array_index(
+ group->index->entries, 0);
+
+ /* Last entry. */
+ last_ds_index_entry = (struct ctf_fs_ds_index_entry *) g_ptr_array_index(
+ group->index->entries, group->index->entries->len - 1);
+
+ stream_range->begin_ns = first_ds_index_entry->timestamp_begin_ns;
+ stream_range->end_ns = last_ds_index_entry->timestamp_end_ns;
+ stream_range->set = true;
+
+ if (stream_range->set) {
+ ret = add_range(group_info, stream_range, "range-ns");
+ if (ret) {
+ goto end;
+ }
+ }
+
+ status = bt_value_map_insert_entry(group_info, "paths",
+ file_paths);
+ if (status != BT_VALUE_STATUS_OK) {
+ ret = -1;
+ goto end;
+ }
+
+ ret = add_stream_ids(group_info, group);
+ if (ret) {
+ goto end;
+ }
+
+ port_name = ctf_fs_make_port_name(group);
+ if (!port_name) {
+ ret = -1;
+ goto end;
+ }
+
+ status = bt_value_map_insert_string_entry(group_info, "port-name",
+ port_name);
+ if (status != BT_VALUE_STATUS_OK) {
+ ret = -1;
+ goto end;
+ }
+
+end:
+ bt_value_put_ref(file_paths);
+ return ret;
+}
+
+static
+int populate_trace_info(const struct ctf_fs_trace *trace, bt_value *trace_info)
+{
+ int ret = 0;
+ size_t group_idx;
+ bt_value_status status;
+ bt_value *file_groups = NULL;
+ struct range trace_range = {
+ .begin_ns = INT64_MAX,
+ .end_ns = 0,
+ .set = false,
+ };
+ struct range trace_intersection = {
+ .begin_ns = 0,
+ .end_ns = INT64_MAX,
+ .set = false,
+ };
+
+ BT_ASSERT(trace->ds_file_groups);
+ /* Add trace range info only if it contains streams. */
+ if (trace->ds_file_groups->len == 0) {
+ ret = -1;
+ goto end;
+ }
+
+ file_groups = bt_value_array_create();
+ if (!file_groups) {
+ goto end;
+ }
+
+ status = bt_value_map_insert_string_entry(trace_info, "name",
+ trace->name->str);
+ if (status != BT_VALUE_STATUS_OK) {
+ ret = -1;
+ goto end;
+ }
+ status = bt_value_map_insert_string_entry(trace_info, "path",
+ trace->path->str);
+ if (status != BT_VALUE_STATUS_OK) {
+ ret = -1;
+ goto end;
+ }
+
+ /* Find range of all stream groups, and of the trace. */
+ for (group_idx = 0; group_idx < trace->ds_file_groups->len;
+ group_idx++) {
+ bt_value *group_info;
+ struct range group_range = { .set = false };
+ struct ctf_fs_ds_file_group *group = g_ptr_array_index(
+ trace->ds_file_groups, group_idx);
+
+ group_info = bt_value_map_create();
+ if (!group_info) {
+ ret = -1;
+ goto end;
+ }
+
+ ret = populate_stream_info(group, group_info, &group_range);
+ if (ret) {
+ bt_value_put_ref(group_info);
+ goto end;
+ }
+
+ status = bt_value_array_append_element(file_groups, group_info);
+ bt_value_put_ref(group_info);
+ if (status != BT_VALUE_STATUS_OK) {
+ goto end;
+ }
+
+ if (group_range.set) {
+ trace_range.begin_ns = min(trace_range.begin_ns,
+ group_range.begin_ns);
+ trace_range.end_ns = max(trace_range.end_ns,
+ group_range.end_ns);
+ trace_range.set = true;
+
+ trace_intersection.begin_ns = max(trace_intersection.begin_ns,
+ group_range.begin_ns);
+ trace_intersection.end_ns = min(trace_intersection.end_ns,
+ group_range.end_ns);
+ trace_intersection.set = true;
+ }
+ }
+
+ ret = add_range(trace_info, &trace_range, "range-ns");
+ if (ret) {
+ goto end;
+ }
+
+ if (trace_intersection.begin_ns < trace_intersection.end_ns) {
+ ret = add_range(trace_info, &trace_intersection,
+ "intersection-range-ns");
+ if (ret) {
+ goto end;
+ }
+ }
+
+ status = bt_value_map_insert_entry(trace_info, "streams",
+ file_groups);
+ BT_VALUE_PUT_REF_AND_RESET(file_groups);
+ if (status != BT_VALUE_STATUS_OK) {
+ ret = -1;
+ goto end;
+ }
+
+end:
+ bt_value_put_ref(file_groups);
+ return ret;
+}
+
+BT_HIDDEN
+bt_query_status trace_info_query(
+ bt_self_component_class_source *comp_class,
+ const bt_value *params,
+ const bt_value **user_result)
+{
+ struct ctf_fs_component *ctf_fs = NULL;
+ bt_query_status status = BT_QUERY_STATUS_OK;
+ bt_value *result = NULL;
+ const bt_value *paths_value = NULL;
+ int ret = 0;
+ guint i;
+
+ BT_ASSERT(params);
+
+ if (!bt_value_is_map(params)) {
+ BT_LOGE("Query parameters is not a map value object.");
+ status = BT_QUERY_STATUS_INVALID_PARAMS;
+ goto error;
+ }
+
+ ctf_fs = ctf_fs_component_create();
+ if (!ctf_fs) {
+ goto error;
+ }
+
+ if (!read_src_fs_parameters(params, &paths_value, ctf_fs)) {
+ status = BT_QUERY_STATUS_INVALID_PARAMS;
+ goto error;
+ }
+
+ if (ctf_fs_component_create_ctf_fs_traces(NULL, ctf_fs, paths_value)) {
+ goto error;
+ }
+
+ result = bt_value_array_create();
+ if (!result) {
+ status = BT_QUERY_STATUS_NOMEM;
+ goto error;
+ }
+
+ for (i = 0; i < ctf_fs->traces->len; i++) {
+ struct ctf_fs_trace *trace;
+ bt_value *trace_info;
+ bt_value_status status;
+
+ trace = g_ptr_array_index(ctf_fs->traces, i);
+ BT_ASSERT(trace);
+
+ trace_info = bt_value_map_create();
+ if (!trace_info) {
+ BT_LOGE("Failed to create trace info map.");
+ goto error;
+ }
+
+ ret = populate_trace_info(trace, trace_info);
+ if (ret) {
+ bt_value_put_ref(trace_info);
+ goto error;
+ }
+
+ status = bt_value_array_append_element(result, trace_info);
+ bt_value_put_ref(trace_info);
+ if (status != BT_VALUE_STATUS_OK) {
+ goto error;
+ }
+ }
+
+ goto end;
+
+error:
+ BT_VALUE_PUT_REF_AND_RESET(result);
+ result = NULL;
+
+ if (status >= 0) {
+ status = BT_QUERY_STATUS_ERROR;
+ }
+
+end:
+ if (ctf_fs) {
+ ctf_fs_destroy(ctf_fs);
+ ctf_fs = NULL;
+ }
+
+ *user_result = result;
+ return status;
}
projects / babeltrace.git / blobdiff