| 1 | /* |
| 2 | * Copyright 2016 Jérémie Galarneau <jeremie.galarneau@efficios.com> |
| 3 | * |
| 4 | * Author: Jérémie Galarneau <jeremie.galarneau@efficios.com> |
| 5 | * |
| 6 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
| 7 | * of this software and associated documentation files (the "Software"), to deal |
| 8 | * in the Software without restriction, including without limitation the rights |
| 9 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
| 10 | * copies of the Software, and to permit persons to whom the Software is |
| 11 | * furnished to do so, subject to the following conditions: |
| 12 | * |
| 13 | * The above copyright notice and this permission notice shall be included in |
| 14 | * all copies or substantial portions of the Software. |
| 15 | * |
| 16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 17 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 18 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| 19 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| 20 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| 21 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| 22 | * SOFTWARE. |
| 23 | */ |
| 24 | |
| 25 | #define BT_LOG_TAG "NOTIF-STREAM" |
| 26 | #include <babeltrace/lib-logging-internal.h> |
| 27 | |
| 28 | #include <babeltrace/assert-pre-internal.h> |
| 29 | #include <babeltrace/compiler-internal.h> |
| 30 | #include <babeltrace/trace-ir/stream-internal.h> |
| 31 | #include <babeltrace/trace-ir/stream-class.h> |
| 32 | #include <babeltrace/trace-ir/stream-class-internal.h> |
| 33 | #include <babeltrace/graph/notification-stream.h> |
| 34 | #include <babeltrace/graph/notification-stream-const.h> |
| 35 | #include <babeltrace/graph/notification-stream-internal.h> |
| 36 | #include <babeltrace/assert-internal.h> |
| 37 | #include <babeltrace/object.h> |
| 38 | #include <inttypes.h> |
| 39 | |
| 40 | static |
| 41 | void bt_notification_stream_end_destroy(struct bt_object *obj) |
| 42 | { |
| 43 | struct bt_notification_stream_end *notification = |
| 44 | (struct bt_notification_stream_end *) obj; |
| 45 | |
| 46 | BT_LIB_LOGD("Destroying stream end notification: %!+n", |
| 47 | notification); |
| 48 | BT_LIB_LOGD("Putting stream: %!+s", notification->stream); |
| 49 | BT_OBJECT_PUT_REF_AND_RESET(notification->stream); |
| 50 | |
| 51 | if (notification->default_cv) { |
| 52 | bt_clock_value_recycle(notification->default_cv); |
| 53 | notification->default_cv = NULL; |
| 54 | } |
| 55 | |
| 56 | g_free(notification); |
| 57 | } |
| 58 | |
| 59 | struct bt_notification *bt_notification_stream_end_create( |
| 60 | struct bt_self_notification_iterator *self_notif_iter, |
| 61 | struct bt_stream *stream) |
| 62 | { |
| 63 | struct bt_notification_stream_end *notification; |
| 64 | struct bt_stream_class *stream_class; |
| 65 | |
| 66 | BT_ASSERT_PRE_NON_NULL(self_notif_iter, "Notification iterator"); |
| 67 | BT_ASSERT_PRE_NON_NULL(stream, "Stream"); |
| 68 | stream_class = bt_stream_borrow_class(stream); |
| 69 | BT_ASSERT(stream_class); |
| 70 | BT_LIB_LOGD("Creating stream end notification object: " |
| 71 | "%![stream-]+s, %![sc-]+S", stream, stream_class); |
| 72 | notification = g_new0(struct bt_notification_stream_end, 1); |
| 73 | if (!notification) { |
| 74 | BT_LOGE_STR("Failed to allocate one stream end notification."); |
| 75 | goto error; |
| 76 | } |
| 77 | |
| 78 | bt_notification_init(¬ification->parent, |
| 79 | BT_NOTIFICATION_TYPE_STREAM_END, |
| 80 | bt_notification_stream_end_destroy, NULL); |
| 81 | notification->stream = stream; |
| 82 | bt_object_get_no_null_check(notification->stream); |
| 83 | BT_LIB_LOGD("Created stream end notification object: " |
| 84 | "%![notif-]+n, %![stream-]+s, %![sc-]+S", notification, |
| 85 | stream, stream_class); |
| 86 | |
| 87 | return (void *) ¬ification->parent; |
| 88 | error: |
| 89 | return NULL; |
| 90 | } |
| 91 | |
| 92 | struct bt_stream *bt_notification_stream_end_borrow_stream( |
| 93 | struct bt_notification *notification) |
| 94 | { |
| 95 | struct bt_notification_stream_end *stream_end; |
| 96 | |
| 97 | BT_ASSERT_PRE_NON_NULL(notification, "Notification"); |
| 98 | BT_ASSERT_PRE_NOTIF_IS_TYPE(notification, |
| 99 | BT_NOTIFICATION_TYPE_STREAM_END); |
| 100 | stream_end = (void *) notification; |
| 101 | return stream_end->stream; |
| 102 | } |
| 103 | |
| 104 | const struct bt_stream *bt_notification_stream_end_borrow_stream_const( |
| 105 | const struct bt_notification *notification) |
| 106 | { |
| 107 | return bt_notification_stream_end_borrow_stream( |
| 108 | (void *) notification); |
| 109 | } |
| 110 | |
| 111 | void bt_notification_stream_end_set_default_clock_value( |
| 112 | struct bt_notification *notif, uint64_t value_cycles) |
| 113 | { |
| 114 | struct bt_notification_stream_end *se_notif = (void *) notif; |
| 115 | |
| 116 | BT_ASSERT_PRE_NON_NULL(notif, "Notification"); |
| 117 | BT_ASSERT_PRE_HOT(notif, "Notification", ": %!+n", notif); |
| 118 | BT_ASSERT_PRE_NOTIF_IS_TYPE(notif, BT_NOTIFICATION_TYPE_STREAM_END); |
| 119 | BT_ASSERT_PRE(se_notif->stream->class->default_clock_class, |
| 120 | "Notification's stream class has no default clock class: " |
| 121 | "%![notif-]+n, %![sc-]+S", notif, se_notif->stream->class); |
| 122 | |
| 123 | /* TODO: have the object already created */ |
| 124 | se_notif->default_cv = bt_clock_value_create( |
| 125 | se_notif->stream->class->default_clock_class); |
| 126 | BT_ASSERT(se_notif->default_cv); |
| 127 | bt_clock_value_set_value_inline(se_notif->default_cv, value_cycles); |
| 128 | BT_LIB_LOGV("Set notification's default clock value: %![notif-]+n, " |
| 129 | "value=%" PRIu64, value_cycles); |
| 130 | } |
| 131 | |
| 132 | struct bt_clock_value *bt_notification_stream_end_borrow_default_clock_value( |
| 133 | struct bt_notification *notif) |
| 134 | { |
| 135 | struct bt_notification_stream_end *stream_end = (void *) notif; |
| 136 | |
| 137 | BT_ASSERT_PRE_NON_NULL(notif, "Notification"); |
| 138 | BT_ASSERT_PRE_NOTIF_IS_TYPE(notif, BT_NOTIFICATION_TYPE_STREAM_END); |
| 139 | return stream_end->default_cv; |
| 140 | } |
| 141 | |
| 142 | static |
| 143 | void bt_notification_stream_begin_destroy(struct bt_object *obj) |
| 144 | { |
| 145 | struct bt_notification_stream_begin *notification = |
| 146 | (struct bt_notification_stream_begin *) obj; |
| 147 | |
| 148 | BT_LIB_LOGD("Destroying stream beginning notification: %!+n", |
| 149 | notification); |
| 150 | BT_LIB_LOGD("Putting stream: %!+s", notification->stream); |
| 151 | BT_OBJECT_PUT_REF_AND_RESET(notification->stream); |
| 152 | |
| 153 | if (notification->default_cv) { |
| 154 | bt_clock_value_recycle(notification->default_cv); |
| 155 | notification->default_cv = NULL; |
| 156 | } |
| 157 | |
| 158 | g_free(notification); |
| 159 | } |
| 160 | |
| 161 | struct bt_notification *bt_notification_stream_begin_create( |
| 162 | struct bt_self_notification_iterator *self_notif_iter, |
| 163 | struct bt_stream *stream) |
| 164 | { |
| 165 | struct bt_notification_stream_begin *notification; |
| 166 | struct bt_stream_class *stream_class; |
| 167 | |
| 168 | BT_ASSERT_PRE_NON_NULL(self_notif_iter, "Notification iterator"); |
| 169 | BT_ASSERT_PRE_NON_NULL(stream, "Stream"); |
| 170 | stream_class = bt_stream_borrow_class(stream); |
| 171 | BT_ASSERT(stream_class); |
| 172 | BT_LIB_LOGD("Creating stream beginning notification object: " |
| 173 | "%![stream-]+s, %![sc-]+S", stream, stream_class); |
| 174 | notification = g_new0(struct bt_notification_stream_begin, 1); |
| 175 | if (!notification) { |
| 176 | BT_LOGE_STR("Failed to allocate one stream beginning notification."); |
| 177 | goto error; |
| 178 | } |
| 179 | |
| 180 | bt_notification_init(¬ification->parent, |
| 181 | BT_NOTIFICATION_TYPE_STREAM_BEGIN, |
| 182 | bt_notification_stream_begin_destroy, NULL); |
| 183 | notification->stream = stream; |
| 184 | bt_object_get_no_null_check(notification->stream); |
| 185 | BT_LIB_LOGD("Created stream beginning notification object: " |
| 186 | "%![notif-]+n, %![stream-]+s, %![sc-]+S", notification, |
| 187 | stream, stream_class); |
| 188 | return (void *) ¬ification->parent; |
| 189 | error: |
| 190 | return NULL; |
| 191 | } |
| 192 | |
| 193 | struct bt_stream *bt_notification_stream_begin_borrow_stream( |
| 194 | struct bt_notification *notification) |
| 195 | { |
| 196 | struct bt_notification_stream_begin *stream_begin; |
| 197 | |
| 198 | BT_ASSERT_PRE_NON_NULL(notification, "Notification"); |
| 199 | BT_ASSERT_PRE_NOTIF_IS_TYPE(notification, |
| 200 | BT_NOTIFICATION_TYPE_STREAM_BEGIN); |
| 201 | stream_begin = (void *) notification; |
| 202 | return stream_begin->stream; |
| 203 | } |
| 204 | |
| 205 | const struct bt_stream *bt_notification_stream_begin_borrow_stream_const( |
| 206 | const struct bt_notification *notification) |
| 207 | { |
| 208 | return bt_notification_stream_begin_borrow_stream( |
| 209 | (void *) notification); |
| 210 | } |
| 211 | |
| 212 | void bt_notification_stream_begin_set_default_clock_value( |
| 213 | struct bt_notification *notif, |
| 214 | uint64_t value_cycles) |
| 215 | { |
| 216 | struct bt_notification_stream_begin *sb_notif = (void *) notif; |
| 217 | |
| 218 | BT_ASSERT_PRE_NON_NULL(notif, "Notification"); |
| 219 | BT_ASSERT_PRE_HOT(notif, "Notification", ": %!+n", notif); |
| 220 | BT_ASSERT_PRE_NOTIF_IS_TYPE(notif, BT_NOTIFICATION_TYPE_STREAM_BEGIN); |
| 221 | BT_ASSERT_PRE(sb_notif->stream->class->default_clock_class, |
| 222 | "Notification's stream class has no default clock class: " |
| 223 | "%![notif-]+n, %![sc-]+S", notif, sb_notif->stream->class); |
| 224 | |
| 225 | /* TODO: have the object already created */ |
| 226 | sb_notif->default_cv = bt_clock_value_create( |
| 227 | sb_notif->stream->class->default_clock_class); |
| 228 | BT_ASSERT(sb_notif->default_cv); |
| 229 | bt_clock_value_set_value_inline(sb_notif->default_cv, value_cycles); |
| 230 | BT_LIB_LOGV("Set notification's default clock value: %![notif-]+n, " |
| 231 | "value=%" PRIu64, value_cycles); |
| 232 | } |
| 233 | |
| 234 | struct bt_clock_value *bt_notification_stream_begin_borrow_default_clock_value( |
| 235 | struct bt_notification *notif) |
| 236 | { |
| 237 | struct bt_notification_stream_begin *stream_begin = (void *) notif; |
| 238 | |
| 239 | BT_ASSERT_PRE_NON_NULL(notif, "Notification"); |
| 240 | BT_ASSERT_PRE_NOTIF_IS_TYPE(notif, BT_NOTIFICATION_TYPE_STREAM_BEGIN); |
| 241 | return stream_begin->default_cv; |
| 242 | } |