lib: merge `assert-pre.h` and `assert-post.h` into `assert-cond.h`
[babeltrace.git] / src / lib / graph / message-iterator-class.c
1 /*
2 * SPDX-License-Identifier: MIT
3 *
4 * Copyright 2019 EfficiOS, Inc.
5 */
6
7 #define BT_LOG_TAG "LIB/MESSAGE-ITERATOR-CLASS"
8 #include "lib/logging.h"
9
10 #include "message-iterator-class.h"
11
12 #include "compat/compiler.h"
13 #include "lib/assert-cond.h"
14 #include "lib/func-status.h"
15
16 #define BT_ASSERT_COND_DEV_MSG_ITER_CLS_HOT(_msg_iter_cls) \
17 BT_ASSERT_PRE_DEV_HOT((_msg_iter_cls), \
18 "Message iterator class", ": %!+I", (_msg_iter_cls))
19
20 BT_HIDDEN
21 void _bt_message_iterator_class_freeze(
22 const struct bt_message_iterator_class *msg_iter_cls)
23 {
24 BT_ASSERT(msg_iter_cls);
25 BT_LIB_LOGD("Freezing message iterator class: %!+I", msg_iter_cls);
26 ((struct bt_message_iterator_class *) msg_iter_cls)->frozen = true;
27 }
28
29 void bt_message_iterator_class_get_ref(
30 const bt_message_iterator_class *message_iterator_class)
31 {
32 bt_object_get_ref(message_iterator_class);
33 }
34
35 void bt_message_iterator_class_put_ref(
36 const bt_message_iterator_class *message_iterator_class)
37 {
38 bt_object_put_ref(message_iterator_class);
39 }
40
41 static
42 void destroy_iterator_class(struct bt_object *obj)
43 {
44 struct bt_message_iterator_class *class;
45
46 BT_ASSERT(obj);
47 class = container_of(obj, struct bt_message_iterator_class, base);
48
49 BT_LIB_LOGI("Destroying message iterator class: %!+I", class);
50
51 g_free(class);
52 }
53
54 struct bt_message_iterator_class *bt_message_iterator_class_create(
55 bt_message_iterator_class_next_method next_method)
56 {
57 struct bt_message_iterator_class *message_iterator_class;
58
59 BT_ASSERT_PRE_NO_ERROR();
60 BT_ASSERT_PRE_NON_NULL(next_method, "Next method");
61 BT_LOGI("Creating message iterator class: next-method-addr=%p",
62 next_method);
63
64 message_iterator_class = g_new0(struct bt_message_iterator_class, 1);
65 if (!message_iterator_class) {
66 BT_LIB_LOGE_APPEND_CAUSE(
67 "Failed to allocate one message iterator class.");
68 goto end;
69 }
70
71 bt_object_init_shared(&message_iterator_class->base, destroy_iterator_class);
72
73 message_iterator_class->methods.next = next_method;
74
75 end:
76 return message_iterator_class;
77 }
78
79 bt_message_iterator_class_set_method_status
80 bt_message_iterator_class_set_initialize_method(
81 bt_message_iterator_class *message_iterator_class,
82 bt_message_iterator_class_initialize_method method)
83 {
84 BT_ASSERT_PRE_NO_ERROR();
85 BT_ASSERT_PRE_NON_NULL(message_iterator_class, "Message iterator class");
86 BT_ASSERT_PRE_NON_NULL(method, "Method");
87 BT_ASSERT_COND_DEV_MSG_ITER_CLS_HOT(message_iterator_class);
88 message_iterator_class->methods.initialize = method;
89 BT_LIB_LOGD("Set message iterator class's iterator initialization method"
90 ": %!+I", message_iterator_class);
91 return BT_FUNC_STATUS_OK;
92 }
93
94 bt_message_iterator_class_set_method_status
95 bt_message_iterator_class_set_finalize_method(
96 bt_message_iterator_class *message_iterator_class,
97 bt_message_iterator_class_finalize_method method)
98 {
99 BT_ASSERT_PRE_NO_ERROR();
100 BT_ASSERT_PRE_NON_NULL(message_iterator_class, "Message iterator class");
101 BT_ASSERT_PRE_NON_NULL(method, "Method");
102 BT_ASSERT_COND_DEV_MSG_ITER_CLS_HOT(message_iterator_class);
103 message_iterator_class->methods.finalize = method;
104 BT_LIB_LOGD("Set message iterator class's finalization method"
105 ": %!+I", message_iterator_class);
106 return BT_FUNC_STATUS_OK;
107 }
108
109 bt_message_iterator_class_set_method_status
110 bt_message_iterator_class_set_seek_ns_from_origin_methods(
111 bt_message_iterator_class *message_iterator_class,
112 bt_message_iterator_class_seek_ns_from_origin_method seek_method,
113 bt_message_iterator_class_can_seek_ns_from_origin_method can_seek_method)
114 {
115 BT_ASSERT_PRE_NO_ERROR();
116 BT_ASSERT_PRE_NON_NULL(message_iterator_class, "Message iterator class");
117 BT_ASSERT_PRE_NON_NULL(seek_method, "Seek method");
118 BT_ASSERT_COND_DEV_MSG_ITER_CLS_HOT(message_iterator_class);
119 message_iterator_class->methods.seek_ns_from_origin = seek_method;
120 message_iterator_class->methods.can_seek_ns_from_origin = can_seek_method;
121 BT_LIB_LOGD("Set message iterator class's \"seek nanoseconds from origin\" method"
122 ": %!+I", message_iterator_class);
123 return BT_FUNC_STATUS_OK;
124 }
125
126 bt_message_iterator_class_set_method_status
127 bt_message_iterator_class_set_seek_beginning_methods(
128 bt_message_iterator_class *message_iterator_class,
129 bt_message_iterator_class_seek_beginning_method seek_method,
130 bt_message_iterator_class_can_seek_beginning_method can_seek_method)
131 {
132 BT_ASSERT_PRE_NO_ERROR();
133 BT_ASSERT_PRE_NON_NULL(message_iterator_class, "Message iterator class");
134 BT_ASSERT_PRE_NON_NULL(seek_method, "Seek method");
135 BT_ASSERT_COND_DEV_MSG_ITER_CLS_HOT(message_iterator_class);
136 message_iterator_class->methods.seek_beginning = seek_method;
137 message_iterator_class->methods.can_seek_beginning = can_seek_method;
138 BT_LIB_LOGD("Set message iterator class's \"seek beginning\" methods"
139 ": %!+C", message_iterator_class);
140 return BT_FUNC_STATUS_OK;
141 }
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