Commit | Line | Data |
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e0dfa761 PP |
1 | /* |
2 | * Copyright 2017 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 <babeltrace/plugin/plugin-dev.h> | |
24 | #include <babeltrace/component/component.h> | |
890882ef PP |
25 | #include <babeltrace/component/private-component.h> |
26 | #include <babeltrace/component/private-port.h> | |
8f4799f7 | 27 | #include <babeltrace/component/port.h> |
890882ef | 28 | #include <babeltrace/component/private-connection.h> |
e0dfa761 PP |
29 | #include <babeltrace/component/component-sink.h> |
30 | #include <babeltrace/component/notification/iterator.h> | |
31 | #include <babeltrace/component/notification/notification.h> | |
c2b71c92 | 32 | #include <plugins-common.h> |
e0dfa761 | 33 | #include <assert.h> |
c2b71c92 JG |
34 | #include "dummy.h" |
35 | ||
36 | static | |
37 | void destroy_private_dummy_data(struct dummy *dummy) | |
38 | { | |
39 | if (dummy->iterators) { | |
40 | g_ptr_array_free(dummy->iterators, TRUE); | |
41 | } | |
42 | g_free(dummy); | |
43 | } | |
44 | ||
64cadc66 | 45 | void dummy_finalize(struct bt_private_component *component) |
c2b71c92 JG |
46 | { |
47 | struct dummy *dummy; | |
48 | ||
49 | assert(component); | |
890882ef | 50 | dummy = bt_private_component_get_user_data(component); |
c2b71c92 JG |
51 | assert(dummy); |
52 | destroy_private_dummy_data(dummy); | |
53 | } | |
54 | ||
890882ef | 55 | enum bt_component_status dummy_init(struct bt_private_component *component, |
c2b71c92 JG |
56 | struct bt_value *params, UNUSED_VAR void *init_method_data) |
57 | { | |
58 | enum bt_component_status ret; | |
59 | struct dummy *dummy = g_new0(struct dummy, 1); | |
60 | ||
61 | if (!dummy) { | |
62 | ret = BT_COMPONENT_STATUS_NOMEM; | |
63 | goto end; | |
64 | } | |
65 | ||
66 | dummy->iterators = g_ptr_array_new_with_free_func( | |
67 | (GDestroyNotify) bt_put); | |
68 | if (!dummy->iterators) { | |
69 | ret = BT_COMPONENT_STATUS_NOMEM; | |
70 | goto end; | |
71 | } | |
72 | ||
890882ef | 73 | ret = bt_private_component_set_user_data(component, dummy); |
c2b71c92 JG |
74 | if (ret != BT_COMPONENT_STATUS_OK) { |
75 | goto error; | |
76 | } | |
77 | end: | |
78 | return ret; | |
79 | error: | |
80 | destroy_private_dummy_data(dummy); | |
81 | return ret; | |
82 | } | |
83 | ||
890882ef PP |
84 | enum bt_component_status dummy_accept_port_connection( |
85 | struct bt_private_component *component, | |
8f4799f7 PP |
86 | struct bt_private_port *self_port, |
87 | struct bt_port *other_port) | |
c2b71c92 JG |
88 | { |
89 | enum bt_component_status ret = BT_COMPONENT_STATUS_OK; | |
c2b71c92 JG |
90 | struct dummy *dummy; |
91 | struct bt_notification_iterator *iterator; | |
890882ef | 92 | struct bt_private_connection *connection; |
c2b71c92 | 93 | |
890882ef | 94 | dummy = bt_private_component_get_user_data(component); |
c2b71c92 JG |
95 | assert(dummy); |
96 | ||
890882ef | 97 | connection = bt_private_port_get_private_connection(self_port); |
72b913fb PP |
98 | assert(connection); |
99 | ||
890882ef PP |
100 | iterator = bt_private_connection_create_notification_iterator( |
101 | connection); | |
c2b71c92 JG |
102 | if (!iterator) { |
103 | ret = BT_COMPONENT_STATUS_ERROR; | |
104 | goto end; | |
105 | } | |
106 | ||
107 | g_ptr_array_add(dummy->iterators, iterator); | |
108 | end: | |
72b913fb | 109 | bt_put(connection); |
c2b71c92 JG |
110 | return ret; |
111 | } | |
e0dfa761 | 112 | |
890882ef | 113 | enum bt_component_status dummy_consume(struct bt_private_component *component) |
e0dfa761 PP |
114 | { |
115 | enum bt_component_status ret; | |
116 | struct bt_notification *notif = NULL; | |
e0dfa761 | 117 | size_t i; |
c2b71c92 | 118 | struct dummy *dummy; |
e0dfa761 | 119 | |
890882ef | 120 | dummy = bt_private_component_get_user_data(component); |
c2b71c92 | 121 | assert(dummy); |
e0dfa761 | 122 | |
c2b71c92 JG |
123 | /* Consume one notification from each iterator. */ |
124 | for (i = 0; i < dummy->iterators->len; i++) { | |
125 | struct bt_notification_iterator *it; | |
e0dfa761 PP |
126 | enum bt_notification_iterator_status it_ret; |
127 | ||
c2b71c92 JG |
128 | it = g_ptr_array_index(dummy->iterators, i); |
129 | ||
e0dfa761 PP |
130 | it_ret = bt_notification_iterator_next(it); |
131 | switch (it_ret) { | |
132 | case BT_NOTIFICATION_ITERATOR_STATUS_ERROR: | |
133 | ret = BT_COMPONENT_STATUS_ERROR; | |
134 | goto end; | |
135 | case BT_NOTIFICATION_ITERATOR_STATUS_END: | |
136 | ret = BT_COMPONENT_STATUS_END; | |
c2b71c92 JG |
137 | g_ptr_array_remove_index(dummy->iterators, i); |
138 | i--; | |
e0dfa761 PP |
139 | continue; |
140 | default: | |
141 | break; | |
142 | } | |
143 | ||
144 | notif = bt_notification_iterator_get_notification(it); | |
145 | if (!notif) { | |
146 | ret = BT_COMPONENT_STATUS_ERROR; | |
147 | goto end; | |
148 | } | |
149 | ||
150 | /* | |
151 | * Dummy! I'm doing nothing with this notification, | |
152 | * NOTHING. | |
153 | */ | |
e0dfa761 PP |
154 | BT_PUT(notif); |
155 | } | |
156 | ||
c2b71c92 | 157 | if (dummy->iterators->len == 0) { |
e0dfa761 PP |
158 | ret = BT_COMPONENT_STATUS_END; |
159 | } | |
e0dfa761 | 160 | end: |
e0dfa761 PP |
161 | bt_put(notif); |
162 | return ret; | |
163 | } |