#ifndef CTF_FS_DS_FILE_H
#define CTF_FS_DS_FILE_H
-#include <stdio.h>
-#include <stdbool.h>
+#include <memory>
+#include <string>
+#include <vector>
+
#include <glib.h>
-#include "common/macros.h"
+#include <stdio.h>
+
#include <babeltrace2/babeltrace.h>
-#include "../common/msg-iter/msg-iter.hpp"
-#include "lttng-index.hpp"
+#include "cpp-common/bt2/trace-ir.hpp"
+#include "cpp-common/bt2c/data-len.hpp"
+#include "cpp-common/bt2c/logging.hpp"
-struct ctf_fs_component;
-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;
+#include "../common/src/msg-iter/msg-iter.hpp"
+#include "file.hpp"
struct ctf_fs_ds_file_info
{
- /* Owned by this. */
- GString *path;
+ using UP = std::unique_ptr<ctf_fs_ds_file_info>;
+
+ std::string path;
/* Guaranteed to be set, as opposed to the index. */
- int64_t begin_ns;
+ int64_t begin_ns = 0;
};
-struct ctf_fs_metadata;
-
struct ctf_fs_ds_file
{
- bt_logging_level log_level;
+ using UP = std::unique_ptr<ctf_fs_ds_file>;
- /* Weak */
- bt_self_component *self_comp;
+ explicit ctf_fs_ds_file(const bt2c::Logger& parentLogger) :
+ logger {parentLogger, "PLUGIN/SRC.CTF.FS/DS"}
+ {
+ }
+
+ ctf_fs_ds_file(const ctf_fs_ds_file&) = delete;
+ ctf_fs_ds_file& operator=(const ctf_fs_ds_file&) = delete;
+ ~ctf_fs_ds_file();
+
+ bt2c::Logger logger;
/* Weak */
- struct ctf_fs_metadata *metadata;
+ struct ctf_fs_metadata *metadata = nullptr;
- /* Owned by this */
- struct ctf_fs_file *file;
+ ctf_fs_file::UP file;
- /* Owned by this */
- bt_stream *stream;
+ bt2::Stream::Shared stream;
- void *mmap_addr;
+ void *mmap_addr = nullptr;
/*
* Max length of chunk to mmap() when updating the current mapping.
* This value must be page-aligned.
*/
- size_t mmap_max_len;
+ size_t mmap_max_len = 0;
/* Length of the current mapping. Never exceeds the file's length. */
- size_t mmap_len;
+ size_t mmap_len = 0;
/* Offset in the file where the current mapping starts. */
- off_t mmap_offset_in_file;
+ off_t mmap_offset_in_file = 0;
/*
* Offset, in the current mapping, of the address to return on the next
* request.
*/
- off_t request_offset_in_mapping;
+ off_t request_offset_in_mapping = 0;
+};
+
+struct ctf_fs_ds_index_entry
+{
+ ctf_fs_ds_index_entry(const bt2c::CStringView pathParam, const bt2c::DataLen offsetParam,
+ const bt2c::DataLen packetSizeParam) noexcept :
+ path {pathParam},
+ offset {offsetParam}, packetSize {packetSizeParam}
+ {
+ }
+
+ /* Weak, belongs to ctf_fs_ds_file_info. */
+ const char *path;
+
+ /* Position of the packet from the beginning of the file. */
+ bt2c::DataLen offset;
+
+ /* Size of the packet. */
+ bt2c::DataLen packetSize;
+
+ /*
+ * Extracted from the packet context, relative to the respective fields'
+ * mapped clock classes (in cycles).
+ */
+ uint64_t timestamp_begin = 0, timestamp_end = 0;
+
+ /*
+ * Converted from the packet context, relative to the trace's EPOCH
+ * (in ns since EPOCH).
+ */
+ int64_t timestamp_begin_ns = 0, timestamp_end_ns = 0;
+
+ /*
+ * Packet sequence number, or UINT64_MAX if not present in the index.
+ */
+ uint64_t packet_seq_num = UINT64_MAX;
};
-struct ctf_fs_ds_file *ctf_fs_ds_file_create(struct ctf_fs_trace *ctf_fs_trace, bt_stream *stream,
- const char *path, bt_logging_level log_level);
+struct ctf_fs_ds_index
+{
+ std::vector<ctf_fs_ds_index_entry> entries;
+};
-void ctf_fs_ds_file_destroy(struct ctf_fs_ds_file *stream);
+struct ctf_fs_ds_file_group
+{
+ using UP = std::unique_ptr<ctf_fs_ds_file_group>;
-struct ctf_fs_ds_index *ctf_fs_ds_file_build_index(struct ctf_fs_ds_file *ds_file,
- struct ctf_fs_ds_file_info *ds_file_info,
- struct ctf_msg_iter *msg_iter);
+ explicit ctf_fs_ds_file_group(struct ctf_fs_trace * const trace,
+ ctf_stream_class * const scParam, const uint64_t streamInstanceId,
+ ctf_fs_ds_index indexParam) noexcept :
-struct ctf_fs_ds_index *ctf_fs_ds_index_create(bt_logging_level log_level,
- bt_self_component *self_comp);
+ sc {scParam},
+ stream_id(streamInstanceId), ctf_fs_trace {trace}, index {std::move(indexParam)}
+
+ {
+ }
+
+ /*
+ * Insert ds_file_info in the list of ds_file_infos at the right
+ * place to keep it sorted.
+ */
+ void insert_ds_file_info_sorted(ctf_fs_ds_file_info::UP ds_file_info);
+
+ /*
+ * This is an _ordered_ array of data stream file infos which
+ * belong to this group (a single stream instance).
+ *
+ * You can call ctf_fs_ds_file_create() with one of those paths
+ * and the trace IR stream below.
+ */
+ std::vector<ctf_fs_ds_file_info::UP> ds_file_infos;
+
+ /* Owned by this */
+ struct ctf_stream_class *sc = nullptr;
-void ctf_fs_ds_index_destroy(struct ctf_fs_ds_index *index);
+ bt2::Stream::Shared stream;
+
+ /* Stream (instance) ID; -1ULL means none */
+ uint64_t stream_id = 0;
+
+ /* Weak, belongs to component */
+ struct ctf_fs_trace *ctf_fs_trace = nullptr;
+
+ ctf_fs_ds_index index;
+};
+
+ctf_fs_ds_file::UP ctf_fs_ds_file_create(ctf_fs_trace *ctf_fs_trace, bt2::Stream::Shared stream,
+ const char *path, const bt2c::Logger& logger);
+
+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 *ds_file_info,
+ struct ctf_msg_iter *msg_iter);
+
+ctf_fs_ds_file_info::UP ctf_fs_ds_file_info_create(const char *path, int64_t begin_ns);
/*
* Medium operations to iterate on a single ctf_fs_ds_file.
*/
extern struct ctf_msg_iter_medium_ops ctf_fs_ds_group_medops;
-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_deleter
+{
+ void operator()(struct ctf_fs_ds_group_medops_data *data) noexcept;
+};
+
+using ctf_fs_ds_group_medops_data_up =
+ std::unique_ptr<ctf_fs_ds_group_medops_data, ctf_fs_ds_group_medops_data_deleter>;
-void ctf_fs_ds_group_medops_data_reset(struct ctf_fs_ds_group_medops_data *data);
+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,
+ const bt2c::Logger& logger, ctf_fs_ds_group_medops_data_up& out);
-void ctf_fs_ds_group_medops_data_destroy(struct ctf_fs_ds_group_medops_data *data);
+void ctf_fs_ds_group_medops_data_reset(struct ctf_fs_ds_group_medops_data *data);
#endif /* CTF_FS_DS_FILE_H */
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