Commit | Line | Data |
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e98a2d6e | 1 | /* |
0235b0db | 2 | * SPDX-License-Identifier: MIT |
e98a2d6e | 3 | * |
0235b0db | 4 | * Copyright (C) 2016 Philippe Proulx <pproulx@efficios.com> |
e98a2d6e PP |
5 | */ |
6 | ||
0235b0db MJ |
7 | #ifndef CTF_FS_DS_FILE_H |
8 | #define CTF_FS_DS_FILE_H | |
9 | ||
e98a2d6e | 10 | #include <glib.h> |
c802cacb SM |
11 | #include <stdio.h> |
12 | ||
3fadfbc0 | 13 | #include <babeltrace2/babeltrace.h> |
e98a2d6e | 14 | |
0f5c5d5c SM |
15 | #include "cpp-common/bt2c/logging.hpp" |
16 | ||
5656cea5 | 17 | #include "../common/src/msg-iter/msg-iter.hpp" |
b6c3dcb2 | 18 | |
4164020e SM |
19 | struct ctf_fs_ds_file_info |
20 | { | |
21 | /* Owned by this. */ | |
afb0f12b | 22 | GString *path = nullptr; |
97ade20b | 23 | |
4164020e | 24 | /* Guaranteed to be set, as opposed to the index. */ |
afb0f12b | 25 | int64_t begin_ns = 0; |
97ade20b JG |
26 | }; |
27 | ||
4164020e SM |
28 | struct ctf_fs_ds_file |
29 | { | |
0f5c5d5c SM |
30 | explicit ctf_fs_ds_file(const bt2c::Logger& parentLogger) : |
31 | logger {parentLogger, "PLUGIN/SRC.CTF.FS/DS"} | |
32 | { | |
33 | } | |
98903a3e | 34 | |
0f5c5d5c | 35 | bt2c::Logger logger; |
4c65a157 | 36 | |
4164020e | 37 | /* Weak */ |
afb0f12b | 38 | struct ctf_fs_metadata *metadata = nullptr; |
5c563278 | 39 | |
4164020e | 40 | /* Owned by this */ |
afb0f12b | 41 | struct ctf_fs_file *file = nullptr; |
97ade20b | 42 | |
4164020e | 43 | /* Owned by this */ |
afb0f12b | 44 | bt_stream *stream = nullptr; |
97ade20b | 45 | |
afb0f12b | 46 | void *mmap_addr = nullptr; |
97ade20b | 47 | |
4164020e SM |
48 | /* |
49 | * Max length of chunk to mmap() when updating the current mapping. | |
50 | * This value must be page-aligned. | |
51 | */ | |
afb0f12b | 52 | size_t mmap_max_len = 0; |
97ade20b | 53 | |
4164020e | 54 | /* Length of the current mapping. Never exceeds the file's length. */ |
afb0f12b | 55 | size_t mmap_len = 0; |
97ade20b | 56 | |
4164020e | 57 | /* Offset in the file where the current mapping starts. */ |
afb0f12b | 58 | off_t mmap_offset_in_file = 0; |
97ade20b | 59 | |
4164020e SM |
60 | /* |
61 | * Offset, in the current mapping, of the address to return on the next | |
62 | * request. | |
63 | */ | |
afb0f12b | 64 | off_t request_offset_in_mapping = 0; |
b6c3dcb2 | 65 | }; |
e98a2d6e | 66 | |
76edbcf1 | 67 | struct ctf_fs_ds_file *ctf_fs_ds_file_create(struct ctf_fs_trace *ctf_fs_trace, bt_stream *stream, |
0f5c5d5c | 68 | const char *path, const bt2c::Logger& logger); |
e98a2d6e | 69 | |
94cf822e | 70 | void ctf_fs_ds_file_destroy(struct ctf_fs_ds_file *stream); |
e98a2d6e | 71 | |
4164020e SM |
72 | struct ctf_fs_ds_index *ctf_fs_ds_file_build_index(struct ctf_fs_ds_file *ds_file, |
73 | struct ctf_fs_ds_file_info *ds_file_info, | |
74 | struct ctf_msg_iter *msg_iter); | |
97ade20b | 75 | |
0f5c5d5c | 76 | struct ctf_fs_ds_index *ctf_fs_ds_index_create(const bt2c::Logger& logger); |
7ed5243a | 77 | |
97ade20b JG |
78 | void ctf_fs_ds_index_destroy(struct ctf_fs_ds_index *index); |
79 | ||
f6e68e70 SM |
80 | /* |
81 | * Medium operations to iterate on a single ctf_fs_ds_file. | |
82 | * | |
83 | * The data pointer when using this must be a pointer to the ctf_fs_ds_file. | |
84 | */ | |
18a1979b | 85 | extern struct ctf_msg_iter_medium_ops ctf_fs_ds_file_medops; |
6de92955 | 86 | |
f6e68e70 SM |
87 | /* |
88 | * Medium operations to iterate on the packet of a ctf_fs_ds_group. | |
89 | * | |
90 | * The iteration is done based on the index of the group. | |
91 | * | |
92 | * The data pointer when using these medops must be a pointer to a ctf_fs_ds | |
93 | * group_medops_data structure. | |
94 | */ | |
95 | extern struct ctf_msg_iter_medium_ops ctf_fs_ds_group_medops; | |
96 | ||
f6e68e70 | 97 | enum ctf_msg_iter_medium_status ctf_fs_ds_group_medops_data_create( |
4164020e | 98 | struct ctf_fs_ds_file_group *ds_file_group, bt_self_message_iterator *self_msg_iter, |
0f5c5d5c | 99 | const bt2c::Logger& logger, struct ctf_fs_ds_group_medops_data **out); |
f6e68e70 | 100 | |
f6e68e70 SM |
101 | void ctf_fs_ds_group_medops_data_reset(struct ctf_fs_ds_group_medops_data *data); |
102 | ||
4164020e | 103 | void ctf_fs_ds_group_medops_data_destroy(struct ctf_fs_ds_group_medops_data *data); |
f6e68e70 | 104 | |
94cf822e | 105 | #endif /* CTF_FS_DS_FILE_H */ |