#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/bt2c/data-len.hpp"
+#include "cpp-common/bt2c/logging.hpp"
+
+#include "../common/src/msg-iter/msg-iter.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;
+struct ctf_fs_ds_file_info
+{
+ using UP = std::unique_ptr<ctf_fs_ds_file_info>;
-struct ctf_fs_ds_file_info {
- /* Owned by this. */
- GString *path;
+ std::string path;
- /* Guaranteed to be set, as opposed to the index. */
- int64_t begin_ns;
+ /* Guaranteed to be set, as opposed to the index. */
+ int64_t begin_ns = 0;
};
-struct ctf_fs_metadata;
+struct ctf_fs_ds_file
+{
+ explicit ctf_fs_ds_file(const bt2c::Logger& parentLogger) :
+ logger {parentLogger, "PLUGIN/SRC.CTF.FS/DS"}
+ {
+ }
-struct ctf_fs_ds_file {
- bt_logging_level log_level;
+ bt2c::Logger logger;
- /* Weak */
- bt_self_component *self_comp;
+ /* Weak */
+ struct ctf_fs_metadata *metadata = nullptr;
- /* Weak */
- bt_self_message_iterator *self_msg_iter;
+ /* Owned by this */
+ struct ctf_fs_file *file = nullptr;
- /* Weak */
- struct ctf_fs_metadata *metadata;
+ /* Owned by this */
+ bt_stream *stream = nullptr;
- /* Owned by this */
- struct ctf_fs_file *file;
+ void *mmap_addr = nullptr;
- /* Owned by this */
- bt_stream *stream;
+ /*
+ * Max length of chunk to mmap() when updating the current mapping.
+ * This value must be page-aligned.
+ */
+ size_t mmap_max_len = 0;
- void *mmap_addr;
+ /* Length of the current mapping. Never exceeds the file's length. */
+ size_t mmap_len = 0;
- /*
- * Max length of chunk to mmap() when updating the current mapping.
- * This value must be page-aligned.
- */
- size_t mmap_max_len;
+ /* Offset in the file where the current mapping starts. */
+ off_t mmap_offset_in_file = 0;
- /* Length of the current mapping. Never exceeds the file's length. */
- size_t mmap_len;
+ /*
+ * Offset, in the current mapping, of the address to return on the next
+ * request.
+ */
+ off_t request_offset_in_mapping = 0;
+};
- /* Offset in the file where the current mapping starts. */
- off_t mmap_offset_in_file;
+struct ctf_fs_ds_index_entry
+{
+ explicit ctf_fs_ds_index_entry(const bt2c::DataLen offsetParam,
+ const bt2c::DataLen packetSizeParam) noexcept :
+ offset(offsetParam),
+ packetSize(packetSizeParam)
+ {
+ }
+
+ /* Weak, belongs to ctf_fs_ds_file_info. */
+ const char *path = nullptr;
+
+ /* 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 = 0;
+};
- /*
- * Offset, in the current mapping, of the address to return on the next
- * request.
- */
- off_t request_offset_in_mapping;
+struct ctf_fs_ds_index
+{
+ /* Array of pointer to struct ctf_fs_ds_index_entry. */
+ GPtrArray *entries = nullptr;
};
-BT_HIDDEN
-struct ctf_fs_ds_file *ctf_fs_ds_file_create(
- struct ctf_fs_trace *ctf_fs_trace,
- bt_self_message_iterator *self_msg_iter,
- bt_stream *stream, const char *path,
- bt_logging_level log_level);
+struct ctf_fs_ds_file_group_deleter
+{
+ void operator()(struct ctf_fs_ds_file_group *group) noexcept;
+};
+
+struct ctf_fs_ds_file_group
+{
+ using UP = std::unique_ptr<ctf_fs_ds_file_group, ctf_fs_ds_file_group_deleter>;
+
+ /*
+ * 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;
+
+ /* Owned by this */
+ bt_stream *stream = nullptr;
+
+ /* Stream (instance) ID; -1ULL means none */
+ uint64_t stream_id = 0;
+
+ /* Weak, belongs to component */
+ struct ctf_fs_trace *ctf_fs_trace = nullptr;
+
+ /*
+ * Owned by this.
+ */
+ struct ctf_fs_ds_index *index = nullptr;
+};
+
+struct ctf_fs_ds_file *ctf_fs_ds_file_create(struct ctf_fs_trace *ctf_fs_trace, bt_stream *stream,
+ const char *path, const bt2c::Logger& logger);
-BT_HIDDEN
void ctf_fs_ds_file_destroy(struct ctf_fs_ds_file *stream);
-BT_HIDDEN
-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);
+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);
-BT_HIDDEN
-struct ctf_fs_ds_index *ctf_fs_ds_index_create(bt_logging_level log_level,
- bt_self_component *self_comp);
+struct ctf_fs_ds_index *ctf_fs_ds_index_create(const bt2c::Logger& logger);
-BT_HIDDEN
void ctf_fs_ds_index_destroy(struct ctf_fs_ds_index *index);
+ctf_fs_ds_file_info::UP ctf_fs_ds_file_info_create(const char *path, int64_t begin_ns);
+
+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,
+ struct ctf_fs_ds_index *index);
+
/*
* Medium operations to iterate on a single ctf_fs_ds_file.
*
* The data pointer when using these medops must be a pointer to a ctf_fs_ds
* group_medops_data structure.
*/
-BT_HIDDEN
extern struct ctf_msg_iter_medium_ops ctf_fs_ds_group_medops;
-BT_HIDDEN
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_file_group *ds_file_group, bt_self_message_iterator *self_msg_iter,
+ const bt2c::Logger& logger, struct ctf_fs_ds_group_medops_data **out);
-BT_HIDDEN
void ctf_fs_ds_group_medops_data_reset(struct ctf_fs_ds_group_medops_data *data);
-BT_HIDDEN
-void ctf_fs_ds_group_medops_data_destroy(
- struct ctf_fs_ds_group_medops_data *data);
+void ctf_fs_ds_group_medops_data_destroy(struct ctf_fs_ds_group_medops_data *data);
#endif /* CTF_FS_DS_FILE_H */
projects / babeltrace.git / blobdiff