| 1 | /* |
| 2 | * SPDX-License-Identifier: MIT |
| 3 | * |
| 4 | * Copyright 2019 Philippe Proulx <pproulx@efficios.com> |
| 5 | */ |
| 6 | |
| 7 | #ifndef BABELTRACE_PLUGIN_CTF_FS_SINK_FS_SINK_TRACE_H |
| 8 | #define BABELTRACE_PLUGIN_CTF_FS_SINK_FS_SINK_TRACE_H |
| 9 | |
| 10 | #include "common/macros.h" |
| 11 | #include <babeltrace2/babeltrace.h> |
| 12 | #include "ctfser/ctfser.h" |
| 13 | #include <glib.h> |
| 14 | #include <stdint.h> |
| 15 | |
| 16 | #include "fs-sink-ctf-meta.h" |
| 17 | |
| 18 | struct fs_sink_comp; |
| 19 | |
| 20 | struct fs_sink_trace { |
| 21 | bt_logging_level log_level; |
| 22 | struct fs_sink_comp *fs_sink; |
| 23 | |
| 24 | /* Owned by this */ |
| 25 | struct fs_sink_ctf_trace *trace; |
| 26 | |
| 27 | /* |
| 28 | * Weak reference: this object does not own it, and `trace` |
| 29 | * above does not own its trace IR trace and trace class either. |
| 30 | * Instead, we add a "trace destruction" listener (in |
| 31 | * create_trace()) so that this object gets destroyed when the |
| 32 | * trace object is destroyed. |
| 33 | * |
| 34 | * Otherwise (with a strong reference), we would keep this trace |
| 35 | * object alive until the upstream message iterator ends. This |
| 36 | * could "leak" resources (memory, file descriptors) associated |
| 37 | * to traces and streams which otherwise would not exist. |
| 38 | */ |
| 39 | const bt_trace *ir_trace; |
| 40 | |
| 41 | bt_listener_id ir_trace_destruction_listener_id; |
| 42 | |
| 43 | /* Trace's directory */ |
| 44 | GString *path; |
| 45 | |
| 46 | /* `metadata` file path */ |
| 47 | GString *metadata_path; |
| 48 | |
| 49 | /* |
| 50 | * Hash table of `const bt_stream *` (weak) to |
| 51 | * `struct fs_sink_stream *` (owned by hash table). |
| 52 | */ |
| 53 | GHashTable *streams; |
| 54 | }; |
| 55 | |
| 56 | BT_HIDDEN |
| 57 | struct fs_sink_trace *fs_sink_trace_create(struct fs_sink_comp *fs_sink, |
| 58 | const bt_trace *ir_trace); |
| 59 | |
| 60 | BT_HIDDEN |
| 61 | void fs_sink_trace_destroy(struct fs_sink_trace *trace); |
| 62 | |
| 63 | #endif /* BABELTRACE_PLUGIN_CTF_FS_SINK_FS_SINK_TRACE_H */ |