static struct ctf_fs_file *get_file(const char *trace_path)
{
struct ctf_fs_file *file = ctf_fs_file_create();
if (!file) {
goto error;
}
g_string_append(file->path, trace_path);
g_string_append(file->path, G_DIR_SEPARATOR_S CTF_FS_METADATA_FILENAME);
if (ctf_fs_file_open(file, "rb")) {
goto error;
}
goto end;
error:
if (file) {
ctf_fs_file_destroy(file);
file = NULL;
}
end:
return file;
}
static
int create_ds_file_groups(struct ctf_fs_trace *ctf_fs_trace)
{
int ret = 0;
const char *basename;
GError *error = NULL;
GDir *dir = NULL;
/* Check each file in the path directory, except specific ones */
dir = g_dir_open(ctf_fs_trace->path->str, 0, &error);
if (!dir) {
BT_LOGE("Cannot open directory `%s`: %s (code %d)",
ctf_fs_trace->path->str, error->message,
error->code);
goto error;
}
while ((basename = g_dir_read_name(dir))) {
struct ctf_fs_file *file;
if (!strcmp(basename, CTF_FS_METADATA_FILENAME)) {
/* Ignore the metadata stream. */
BT_LOGD("Ignoring metadata file `%s" G_DIR_SEPARATOR_S "%s`",
ctf_fs_trace->path->str, basename);
continue;
}
if (basename[0] == '.') {
BT_LOGD("Ignoring hidden file `%s" G_DIR_SEPARATOR_S "%s`",
ctf_fs_trace->path->str, basename);
continue;
}
/* Create the file. */
file = ctf_fs_file_create();
if (!file) {
BT_LOGE("Cannot create stream file object for file `%s" G_DIR_SEPARATOR_S "%s`",
ctf_fs_trace->path->str, basename);
goto error;
}
/* Create full path string. */
g_string_append_printf(file->path, "%s" G_DIR_SEPARATOR_S "%s",
ctf_fs_trace->path->str, basename);
if (!g_file_test(file->path->str, G_FILE_TEST_IS_REGULAR)) {
BT_LOGD("Ignoring non-regular file `%s`",
file->path->str);
ctf_fs_file_destroy(file);
file = NULL;
continue;
}
ret = ctf_fs_file_open(file, "rb");
if (ret) {
BT_LOGE("Cannot open stream file `%s`", file->path->str);
goto error;
}
if (file->size == 0) {
/* Skip empty stream. */
BT_LOGD("Ignoring empty file `%s`", file->path->str);
ctf_fs_file_destroy(file);
continue;
}
ret = add_ds_file_to_ds_file_group(ctf_fs_trace,
file->path->str);
if (ret) {
BT_LOGE("Cannot add stream file `%s` to stream file group",
file->path->str);
ctf_fs_file_destroy(file);
goto error;
}
ctf_fs_file_destroy(file);
}
goto end;
error:
ret = -1;
end:
if (dir) {
g_dir_close(dir);
dir = NULL;
}
if (error) {
g_error_free(error);
}
return ret;
}