struct ctf_fs_ds_group_medops_data *data = (struct ctf_fs_ds_group_medops_data *) void_data;
/* If we have gone through all index entries, we are done. */
- if (data->next_index_entry_index >= data->ds_file_group->index->entries.size()) {
+ if (data->next_index_entry_index >= data->ds_file_group->index.entries.size()) {
return CTF_MSG_ITER_MEDIUM_STATUS_EOF;
}
* for reading.
*/
ctf_msg_iter_medium_status status = ctf_fs_ds_group_medops_set_file(
- data, &data->ds_file_group->index->entries[data->next_index_entry_index]);
+ data, &data->ds_file_group->index.entries[data->next_index_entry_index]);
if (status != CTF_MSG_ITER_MEDIUM_STATUS_OK) {
return status;
}
{
BT_ASSERT(self_msg_iter);
BT_ASSERT(ds_file_group);
- BT_ASSERT(ds_file_group->index);
- BT_ASSERT(!ds_file_group->index->entries.empty());
+ BT_ASSERT(!ds_file_group->index.entries.empty());
out.reset(new ctf_fs_ds_group_medops_data {parentLogger});
clock_class->offset_cycles, ns);
}
-static ctf_fs_ds_index::UP build_index_from_idx_file(struct ctf_fs_ds_file *ds_file,
- struct ctf_fs_ds_file_info *file_info,
- struct ctf_msg_iter *msg_iter)
+static bt2s::optional<ctf_fs_ds_index>
+build_index_from_idx_file(struct ctf_fs_ds_file *ds_file, struct ctf_fs_ds_file_info *file_info,
+ struct ctf_msg_iter *msg_iter)
{
bt2c::GCharUP directory;
bt2c::GCharUP basename;
gsize filesize;
const char *mmap_begin = NULL, *file_pos = NULL;
const struct ctf_packet_index_file_hdr *header = NULL;
- ctf_fs_ds_index::UP index;
ctf_fs_ds_index_entry *prev_index_entry = NULL;
auto totalPacketsSize = bt2c::DataLen::fromBytes(0);
size_t file_index_entry_size;
if (ret) {
BT_CPPLOGI_STR_SPEC(ds_file->logger,
"Cannot read first packet's header and context fields.");
- return nullptr;
+ return bt2s::nullopt;
}
sc = ctf_trace_class_borrow_stream_class_by_id(ds_file->metadata->tc, props.stream_class_id);
BT_ASSERT(sc);
if (!sc->default_clock_class) {
BT_CPPLOGI_STR_SPEC(ds_file->logger, "Cannot find stream class's default clock class.");
- return nullptr;
+ return bt2s::nullopt;
}
/* Look for index file in relative path index/name.idx. */
if (!basename) {
BT_CPPLOGE_SPEC(ds_file->logger, "Cannot get the basename of datastream file {}",
ds_file->file->path);
- return nullptr;
+ return bt2s::nullopt;
}
directory.reset(g_path_get_dirname(ds_file->file->path.c_str()));
if (!directory) {
BT_CPPLOGE_SPEC(ds_file->logger, "Cannot get dirname of datastream file {}",
ds_file->file->path);
- return nullptr;
+ return bt2s::nullopt;
}
index_basename = fmt::format("{}.idx", basename.get());
mapped_file.reset(g_mapped_file_new(index_file_path.get(), FALSE, NULL));
if (!mapped_file) {
BT_CPPLOGD_SPEC(ds_file->logger, "Cannot create new mapped file {}", index_file_path.get());
- return nullptr;
+ return bt2s::nullopt;
}
/*
"Invalid LTTng trace index file: "
"file size ({} bytes) < header size ({} bytes)",
filesize, sizeof(*header));
- return nullptr;
+ return bt2s::nullopt;
}
mmap_begin = g_mapped_file_get_contents(mapped_file.get());
if (be32toh(header->magic) != CTF_INDEX_MAGIC) {
BT_CPPLOGW_STR_SPEC(ds_file->logger,
"Invalid LTTng trace index: \"magic\" field validation failed");
- return nullptr;
+ return bt2s::nullopt;
}
version_major = be32toh(header->index_major);
if (version_major != 1) {
BT_CPPLOGW_SPEC(ds_file->logger, "Unknown LTTng trace index version: major={}, minor={}",
version_major, version_minor);
- return nullptr;
+ return bt2s::nullopt;
}
file_index_entry_size = be32toh(header->packet_index_len);
"Invalid `packet_index_len` in LTTng trace index file (`packet_index_len` < CTF index 1.0 index entry size): "
"packet_index_len={}, CTF_INDEX_1_0_SIZE={}",
file_index_entry_size, CTF_INDEX_1_0_SIZE);
- return nullptr;
+ return bt2s::nullopt;
}
file_entry_count = (filesize - sizeof(*header)) / file_index_entry_size;
"({} bytes) is not a multiple of the index entry size "
"({} bytes)",
(filesize - sizeof(*header)), sizeof(*header));
- return nullptr;
+ return bt2s::nullopt;
}
- index = bt2s::make_unique<ctf_fs_ds_index>();
+ ctf_fs_ds_index index;
for (i = 0; i < file_entry_count; i++) {
struct ctf_packet_index *file_index = (struct ctf_packet_index *) file_pos;
if (packetSize.hasExtraBits()) {
BT_CPPLOGW_SPEC(ds_file->logger,
"Invalid packet size encountered in LTTng trace index file");
- return nullptr;
+ return bt2s::nullopt;
}
const auto offset = bt2c::DataLen::fromBytes(be64toh(file_index->offset));
"Invalid, non-monotonic, packet offset encountered in LTTng trace index file: "
"previous offset={} bytes, current offset={} bytes",
prev_index_entry->offset.bytes(), offset.bytes());
- return nullptr;
+ return bt2s::nullopt;
}
ctf_fs_ds_index_entry index_entry {offset, packetSize};
"Invalid packet time bounds encountered in LTTng trace index file (begin > end): "
"timestamp_begin={}, timestamp_end={}",
index_entry.timestamp_begin, index_entry.timestamp_end);
- return nullptr;
+ return bt2s::nullopt;
}
/* Convert the packet's bound to nanoseconds since Epoch. */
BT_CPPLOGI_STR_SPEC(
ds_file->logger,
"Failed to convert raw timestamp to nanoseconds since Epoch during index parsing");
- return nullptr;
+ return bt2s::nullopt;
}
ret = convert_cycles_to_ns(sc->default_clock_class, index_entry.timestamp_end,
&index_entry.timestamp_end_ns);
BT_CPPLOGI_STR_SPEC(
ds_file->logger,
"Failed to convert raw timestamp to nanoseconds since Epoch during LTTng trace index parsing");
- return nullptr;
+ return bt2s::nullopt;
}
if (version_minor >= 1) {
totalPacketsSize += packetSize;
file_pos += file_index_entry_size;
- index->entries.emplace_back(index_entry);
+ index.entries.emplace_back(index_entry);
- prev_index_entry = &index->entries.back();
+ prev_index_entry = &index.entries.back();
}
/* Validate that the index addresses the complete stream. */
"Invalid LTTng trace index file; indexed size != stream file size: "
"file-size={} bytes, total-packets-size={} bytes",
ds_file->file->size, totalPacketsSize.bytes());
- return nullptr;
+ return bt2s::nullopt;
}
return index;
return 0;
}
-static ctf_fs_ds_index::UP build_index_from_stream_file(struct ctf_fs_ds_file *ds_file,
- struct ctf_fs_ds_file_info *file_info,
- struct ctf_msg_iter *msg_iter)
+static bt2s::optional<ctf_fs_ds_index>
+build_index_from_stream_file(struct ctf_fs_ds_file *ds_file, struct ctf_fs_ds_file_info *file_info,
+ struct ctf_msg_iter *msg_iter)
{
int ret;
enum ctf_msg_iter_status iter_status = CTF_MSG_ITER_STATUS_OK;
BT_CPPLOGI_SPEC(ds_file->logger, "Indexing stream file {}", ds_file->file->path);
- ctf_fs_ds_index::UP index = bt2s::make_unique<ctf_fs_ds_index>();
+ ctf_fs_ds_index index;
while (true) {
struct ctf_msg_iter_packet_properties props;
if (currentPacketOffset.bytes() > ds_file->file->size) {
BT_CPPLOGE_STR_SPEC(ds_file->logger,
"Unexpected current packet's offset (larger than file).");
- return nullptr;
+ return bt2s::nullopt;
} else if (currentPacketOffset.bytes() == ds_file->file->size) {
/* No more data */
break;
iter_status = ctf_msg_iter_seek(msg_iter, currentPacketOffset.bytes());
if (iter_status != CTF_MSG_ITER_STATUS_OK) {
- return nullptr;
+ return bt2s::nullopt;
}
iter_status = ctf_msg_iter_get_packet_properties(msg_iter, &props);
if (iter_status != CTF_MSG_ITER_STATUS_OK) {
- return nullptr;
+ return bt2s::nullopt;
}
/*
"file-size-bytes={}",
ds_file->file->path, currentPacketOffset.bytes(),
currentPacketSize.bytes(), ds_file->file->size);
- return nullptr;
+ return bt2s::nullopt;
}
ctf_fs_ds_index_entry index_entry {currentPacketOffset, currentPacketSize};
ret = init_index_entry(index_entry, ds_file, &props);
if (ret) {
- return nullptr;
+ return bt2s::nullopt;
}
- index->entries.emplace_back(index_entry);
+ index.entries.emplace_back(index_entry);
currentPacketOffset += currentPacketSize;
BT_CPPLOGD_SPEC(ds_file->logger,
return ds_file;
}
-ctf_fs_ds_index::UP ctf_fs_ds_file_build_index(struct ctf_fs_ds_file *ds_file,
- struct ctf_fs_ds_file_info *file_info,
- struct ctf_msg_iter *msg_iter)
+bt2s::optional<ctf_fs_ds_index> ctf_fs_ds_file_build_index(struct ctf_fs_ds_file *ds_file,
+ struct ctf_fs_ds_file_info *file_info,
+ struct ctf_msg_iter *msg_iter)
{
auto index = build_index_from_idx_file(ds_file, file_info, msg_iter);
if (index) {
ctf_fs_ds_file_group::UP ctf_fs_ds_file_group_create(struct ctf_fs_trace *ctf_fs_trace,
struct ctf_stream_class *sc,
uint64_t stream_instance_id,
- ctf_fs_ds_index::UP index)
+ ctf_fs_ds_index index)
{
ctf_fs_ds_file_group::UP ds_file_group {new ctf_fs_ds_file_group};
projects / babeltrace.git / blobdiff