| 1 | /* |
| 2 | * Copyright 2017-2018 Philippe Proulx <pproulx@efficios.com> |
| 3 | * Copyright 2016 Jérémie Galarneau <jeremie.galarneau@efficios.com> |
| 4 | * |
| 5 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
| 6 | * of this software and associated documentation files (the "Software"), to deal |
| 7 | * in the Software without restriction, including without limitation the rights |
| 8 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
| 9 | * copies of the Software, and to permit persons to whom the Software is |
| 10 | * furnished to do so, subject to the following conditions: |
| 11 | * |
| 12 | * The above copyright notice and this permission notice shall be included in |
| 13 | * all copies or substantial portions of the Software. |
| 14 | * |
| 15 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 16 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 17 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| 18 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| 19 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| 20 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| 21 | * SOFTWARE. |
| 22 | */ |
| 23 | |
| 24 | #define BT_LOG_TAG "MSG-STREAM" |
| 25 | #include "lib/lib-logging.h" |
| 26 | |
| 27 | #include "lib/assert-pre.h" |
| 28 | #include "compat/compiler.h" |
| 29 | #include <babeltrace2/trace-ir/clock-snapshot-const.h> |
| 30 | #include "lib/trace-ir/stream.h" |
| 31 | #include <babeltrace2/trace-ir/stream-class.h> |
| 32 | #include "lib/trace-ir/stream-class.h" |
| 33 | #include <babeltrace2/graph/message-stream-beginning.h> |
| 34 | #include <babeltrace2/graph/message-stream-end.h> |
| 35 | #include <babeltrace2/graph/message-stream-beginning-const.h> |
| 36 | #include <babeltrace2/graph/message-stream-end-const.h> |
| 37 | #include "common/assert.h" |
| 38 | #include <inttypes.h> |
| 39 | |
| 40 | #include "stream.h" |
| 41 | |
| 42 | static |
| 43 | void destroy_stream_message(struct bt_object *obj) |
| 44 | { |
| 45 | struct bt_message_stream *message = (void *) obj; |
| 46 | |
| 47 | BT_LIB_LOGD("Destroying stream message: %!+n", message); |
| 48 | BT_LIB_LOGD("Putting stream: %!+s", message->stream); |
| 49 | BT_OBJECT_PUT_REF_AND_RESET(message->stream); |
| 50 | g_free(message); |
| 51 | } |
| 52 | |
| 53 | static inline |
| 54 | struct bt_message *create_stream_message( |
| 55 | struct bt_self_message_iterator *self_msg_iter, |
| 56 | struct bt_stream *stream, enum bt_message_type type) |
| 57 | { |
| 58 | struct bt_message_stream *message; |
| 59 | struct bt_stream_class *stream_class; |
| 60 | |
| 61 | BT_ASSERT_PRE_NON_NULL(self_msg_iter, "Message iterator"); |
| 62 | BT_ASSERT_PRE_NON_NULL(stream, "Stream"); |
| 63 | stream_class = bt_stream_borrow_class(stream); |
| 64 | BT_ASSERT(stream_class); |
| 65 | BT_LIB_LOGD("Creating stream message object: " |
| 66 | "type=%s, %![stream-]+s, %![sc-]+S", |
| 67 | bt_message_type_string(type), stream, stream_class); |
| 68 | message = g_new0(struct bt_message_stream, 1); |
| 69 | if (!message) { |
| 70 | BT_LOGE_STR("Failed to allocate one stream message."); |
| 71 | goto error; |
| 72 | } |
| 73 | |
| 74 | bt_message_init(&message->parent, type, |
| 75 | destroy_stream_message, NULL); |
| 76 | message->stream = stream; |
| 77 | bt_object_get_no_null_check(message->stream); |
| 78 | BT_LIB_LOGD("Created stream message object: " |
| 79 | "%![msg-]+n, %![stream-]+s, %![sc-]+S", message, |
| 80 | stream, stream_class); |
| 81 | |
| 82 | return (void *) &message->parent; |
| 83 | |
| 84 | error: |
| 85 | return NULL; |
| 86 | } |
| 87 | |
| 88 | struct bt_message *bt_message_stream_beginning_create( |
| 89 | struct bt_self_message_iterator *self_msg_iter, |
| 90 | const struct bt_stream *stream) |
| 91 | { |
| 92 | return create_stream_message(self_msg_iter, (void *) stream, |
| 93 | BT_MESSAGE_TYPE_STREAM_BEGINNING); |
| 94 | } |
| 95 | |
| 96 | struct bt_message *bt_message_stream_end_create( |
| 97 | struct bt_self_message_iterator *self_msg_iter, |
| 98 | const struct bt_stream *stream) |
| 99 | { |
| 100 | return create_stream_message(self_msg_iter, (void *) stream, |
| 101 | BT_MESSAGE_TYPE_STREAM_END); |
| 102 | } |
| 103 | |
| 104 | static inline |
| 105 | struct bt_stream *borrow_stream_message_stream(struct bt_message *message) |
| 106 | { |
| 107 | struct bt_message_stream *stream_msg; |
| 108 | |
| 109 | BT_ASSERT(message); |
| 110 | stream_msg = (void *) message; |
| 111 | return stream_msg->stream; |
| 112 | } |
| 113 | |
| 114 | struct bt_stream *bt_message_stream_beginning_borrow_stream( |
| 115 | struct bt_message *message) |
| 116 | { |
| 117 | BT_ASSERT_PRE_NON_NULL(message, "Message"); |
| 118 | BT_ASSERT_PRE_MSG_IS_TYPE(message, BT_MESSAGE_TYPE_STREAM_BEGINNING); |
| 119 | return borrow_stream_message_stream(message); |
| 120 | } |
| 121 | |
| 122 | struct bt_stream *bt_message_stream_end_borrow_stream( |
| 123 | struct bt_message *message) |
| 124 | { |
| 125 | BT_ASSERT_PRE_NON_NULL(message, "Message"); |
| 126 | BT_ASSERT_PRE_MSG_IS_TYPE(message, BT_MESSAGE_TYPE_STREAM_END); |
| 127 | return borrow_stream_message_stream(message); |
| 128 | } |
| 129 | |
| 130 | const struct bt_stream *bt_message_stream_beginning_borrow_stream_const( |
| 131 | const struct bt_message *message) |
| 132 | { |
| 133 | return bt_message_stream_beginning_borrow_stream( |
| 134 | (void *) message); |
| 135 | } |
| 136 | |
| 137 | const struct bt_stream *bt_message_stream_end_borrow_stream_const( |
| 138 | const struct bt_message *message) |
| 139 | { |
| 140 | return bt_message_stream_end_borrow_stream( |
| 141 | (void *) message); |
| 142 | } |