| 1 | /* |
| 2 | * Copyright 2016 - Philippe Proulx <pproulx@efficios.com> |
| 3 | * |
| 4 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
| 5 | * of this software and associated documentation files (the "Software"), to deal |
| 6 | * in the Software without restriction, including without limitation the rights |
| 7 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
| 8 | * copies of the Software, and to permit persons to whom the Software is |
| 9 | * furnished to do so, subject to the following conditions: |
| 10 | * |
| 11 | * The above copyright notice and this permission notice shall be included in |
| 12 | * all copies or substantial portions of the Software. |
| 13 | * |
| 14 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 15 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 16 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| 17 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| 18 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| 19 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| 20 | * SOFTWARE. |
| 21 | */ |
| 22 | |
| 23 | #include <stdio.h> |
| 24 | #include <stdbool.h> |
| 25 | #include <assert.h> |
| 26 | #include <stdlib.h> |
| 27 | #include <unistd.h> |
| 28 | #include <glib.h> |
| 29 | |
| 30 | #define PRINT_ERR_STREAM ctf_fs->error_fp |
| 31 | #define PRINT_PREFIX "ctf-fs" |
| 32 | #include "print.h" |
| 33 | |
| 34 | #include "ctf-fs.h" |
| 35 | #include "ctf-fs-file.h" |
| 36 | #include "ctf-fs-metadata.h" |
| 37 | #include "ctf-fs-data-stream.h" |
| 38 | |
| 39 | bool ctf_fs_debug = false; |
| 40 | |
| 41 | static void ctf_fs_destroy(struct ctf_fs *ctf_fs) |
| 42 | { |
| 43 | if (!ctf_fs) { |
| 44 | return; |
| 45 | } |
| 46 | |
| 47 | if (ctf_fs->trace_path) { |
| 48 | g_string_free(ctf_fs->trace_path, TRUE); |
| 49 | } |
| 50 | |
| 51 | ctf_fs_metadata_deinit(&ctf_fs->metadata); |
| 52 | ctf_fs_data_stream_deinit(&ctf_fs->data_stream); |
| 53 | g_free(ctf_fs); |
| 54 | } |
| 55 | |
| 56 | static struct ctf_fs *ctf_fs_create(const char *trace_path) |
| 57 | { |
| 58 | struct ctf_fs *ctf_fs = g_new0(struct ctf_fs, 1); |
| 59 | |
| 60 | if (!ctf_fs) { |
| 61 | goto error; |
| 62 | } |
| 63 | |
| 64 | ctf_fs->trace_path = g_string_new(trace_path); |
| 65 | if (!ctf_fs->trace_path) { |
| 66 | goto error; |
| 67 | } |
| 68 | |
| 69 | ctf_fs->error_fp = stderr; |
| 70 | ctf_fs->page_size = getpagesize(); |
| 71 | |
| 72 | if (ctf_fs_metadata_init(&ctf_fs->metadata)) { |
| 73 | PERR("Cannot initialize metadata structure\n"); |
| 74 | goto error; |
| 75 | } |
| 76 | |
| 77 | if (ctf_fs_data_stream_init(ctf_fs, &ctf_fs->data_stream)) { |
| 78 | PERR("Cannot initialize data stream structure\n"); |
| 79 | goto error; |
| 80 | } |
| 81 | |
| 82 | goto end; |
| 83 | |
| 84 | error: |
| 85 | ctf_fs_destroy(ctf_fs); |
| 86 | ctf_fs = NULL; |
| 87 | |
| 88 | end: |
| 89 | return ctf_fs; |
| 90 | } |
| 91 | |
| 92 | void ctf_fs_init(void) |
| 93 | { |
| 94 | if (g_strcmp0(getenv("CTF_FS_DEBUG"), "1") == 0) { |
| 95 | ctf_fs_debug = true; |
| 96 | } |
| 97 | } |
| 98 | |
| 99 | void ctf_fs_test(const char *trace_path) |
| 100 | { |
| 101 | ctf_fs_init(); |
| 102 | |
| 103 | struct ctf_fs *ctf_fs = ctf_fs_create(trace_path); |
| 104 | struct bt_ctf_notif_iter_notif *notification; |
| 105 | |
| 106 | if (!ctf_fs) { |
| 107 | return; |
| 108 | } |
| 109 | |
| 110 | /* Set trace from metadata file */ |
| 111 | ctf_fs_metadata_set_trace(ctf_fs); |
| 112 | ctf_fs_data_stream_open_streams(ctf_fs); |
| 113 | |
| 114 | while (true) { |
| 115 | int ret = ctf_fs_data_stream_get_next_notification(ctf_fs, ¬ification); |
| 116 | assert(ret == 0); |
| 117 | |
| 118 | if (!notification) { |
| 119 | goto end; |
| 120 | } |
| 121 | |
| 122 | switch (notification->type) { |
| 123 | case BT_CTF_NOTIF_ITER_NOTIF_NEW_PACKET: |
| 124 | { |
| 125 | struct bt_ctf_notif_iter_notif_new_packet *notif = |
| 126 | (struct bt_ctf_notif_iter_notif_new_packet *) notification; |
| 127 | break; |
| 128 | } |
| 129 | case BT_CTF_NOTIF_ITER_NOTIF_EVENT: |
| 130 | { |
| 131 | struct bt_ctf_notif_iter_notif_event *notif = |
| 132 | (struct bt_ctf_notif_iter_notif_event *) notification; |
| 133 | break; |
| 134 | } |
| 135 | case BT_CTF_NOTIF_ITER_NOTIF_END_OF_PACKET: |
| 136 | { |
| 137 | struct bt_ctf_notif_iter_notif_end_of_packet *notif = |
| 138 | (struct bt_ctf_notif_iter_notif_end_of_packet *) notification; |
| 139 | break; |
| 140 | } |
| 141 | default: |
| 142 | break; |
| 143 | } |
| 144 | |
| 145 | bt_ctf_notif_iter_notif_destroy(notification); |
| 146 | } |
| 147 | |
| 148 | end: |
| 149 | ctf_fs_destroy(ctf_fs); |
| 150 | } |