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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> | |
73d5c1ad | 24 | #include <babeltrace/graph/connection.h> |
b2e0c907 PP |
25 | #include <babeltrace/graph/component.h> |
26 | #include <babeltrace/graph/private-component.h> | |
b9d103be | 27 | #include <babeltrace/graph/private-component-sink.h> |
b2e0c907 PP |
28 | #include <babeltrace/graph/private-port.h> |
29 | #include <babeltrace/graph/port.h> | |
30 | #include <babeltrace/graph/private-connection.h> | |
31 | #include <babeltrace/graph/component-sink.h> | |
32 | #include <babeltrace/graph/notification-iterator.h> | |
33 | #include <babeltrace/graph/notification.h> | |
0d8b4d8e | 34 | #include <babeltrace/babeltrace-internal.h> |
c2b71c92 | 35 | #include <plugins-common.h> |
e0dfa761 | 36 | #include <assert.h> |
c2b71c92 JG |
37 | #include "dummy.h" |
38 | ||
39 | static | |
40 | void destroy_private_dummy_data(struct dummy *dummy) | |
41 | { | |
42 | if (dummy->iterators) { | |
43 | g_ptr_array_free(dummy->iterators, TRUE); | |
44 | } | |
45 | g_free(dummy); | |
46 | } | |
47 | ||
64cadc66 | 48 | void dummy_finalize(struct bt_private_component *component) |
c2b71c92 JG |
49 | { |
50 | struct dummy *dummy; | |
51 | ||
52 | assert(component); | |
890882ef | 53 | dummy = bt_private_component_get_user_data(component); |
c2b71c92 JG |
54 | assert(dummy); |
55 | destroy_private_dummy_data(dummy); | |
56 | } | |
57 | ||
890882ef | 58 | enum bt_component_status dummy_init(struct bt_private_component *component, |
c2b71c92 JG |
59 | struct bt_value *params, UNUSED_VAR void *init_method_data) |
60 | { | |
61 | enum bt_component_status ret; | |
62 | struct dummy *dummy = g_new0(struct dummy, 1); | |
63 | ||
64 | if (!dummy) { | |
65 | ret = BT_COMPONENT_STATUS_NOMEM; | |
66 | goto end; | |
67 | } | |
68 | ||
147337a3 PP |
69 | ret = bt_private_component_sink_add_input_private_port(component, |
70 | "in", NULL, NULL); | |
71 | if (ret != BT_COMPONENT_STATUS_OK) { | |
b9d103be PP |
72 | goto end; |
73 | } | |
74 | ||
c2b71c92 JG |
75 | dummy->iterators = g_ptr_array_new_with_free_func( |
76 | (GDestroyNotify) bt_put); | |
77 | if (!dummy->iterators) { | |
78 | ret = BT_COMPONENT_STATUS_NOMEM; | |
79 | goto end; | |
80 | } | |
81 | ||
890882ef | 82 | ret = bt_private_component_set_user_data(component, dummy); |
c2b71c92 JG |
83 | if (ret != BT_COMPONENT_STATUS_OK) { |
84 | goto error; | |
85 | } | |
86 | end: | |
87 | return ret; | |
88 | error: | |
89 | destroy_private_dummy_data(dummy); | |
90 | return ret; | |
91 | } | |
92 | ||
0d8b4d8e | 93 | void dummy_port_connected( |
890882ef | 94 | struct bt_private_component *component, |
8f4799f7 PP |
95 | struct bt_private_port *self_port, |
96 | struct bt_port *other_port) | |
c2b71c92 | 97 | { |
c2b71c92 JG |
98 | struct dummy *dummy; |
99 | struct bt_notification_iterator *iterator; | |
890882ef | 100 | struct bt_private_connection *connection; |
73d5c1ad | 101 | enum bt_connection_status conn_status; |
c2b71c92 | 102 | |
890882ef | 103 | dummy = bt_private_component_get_user_data(component); |
c2b71c92 | 104 | assert(dummy); |
890882ef | 105 | connection = bt_private_port_get_private_connection(self_port); |
72b913fb | 106 | assert(connection); |
73d5c1ad PP |
107 | conn_status = bt_private_connection_create_notification_iterator( |
108 | connection, NULL, &iterator); | |
109 | if (conn_status != BT_CONNECTION_STATUS_OK) { | |
0d8b4d8e | 110 | dummy->error = true; |
c2b71c92 JG |
111 | goto end; |
112 | } | |
113 | ||
114 | g_ptr_array_add(dummy->iterators, iterator); | |
0d8b4d8e | 115 | |
c2b71c92 | 116 | end: |
72b913fb | 117 | bt_put(connection); |
c2b71c92 | 118 | } |
e0dfa761 | 119 | |
890882ef | 120 | enum bt_component_status dummy_consume(struct bt_private_component *component) |
e0dfa761 | 121 | { |
8812600c | 122 | enum bt_component_status ret = BT_COMPONENT_STATUS_OK; |
e0dfa761 | 123 | struct bt_notification *notif = NULL; |
e0dfa761 | 124 | size_t i; |
c2b71c92 | 125 | struct dummy *dummy; |
e0dfa761 | 126 | |
890882ef | 127 | dummy = bt_private_component_get_user_data(component); |
c2b71c92 | 128 | assert(dummy); |
e0dfa761 | 129 | |
0d8b4d8e PP |
130 | if (unlikely(dummy->error)) { |
131 | ret = BT_COMPONENT_STATUS_ERROR; | |
132 | goto end; | |
133 | } | |
134 | ||
c2b71c92 JG |
135 | /* Consume one notification from each iterator. */ |
136 | for (i = 0; i < dummy->iterators->len; i++) { | |
137 | struct bt_notification_iterator *it; | |
e0dfa761 PP |
138 | enum bt_notification_iterator_status it_ret; |
139 | ||
c2b71c92 JG |
140 | it = g_ptr_array_index(dummy->iterators, i); |
141 | ||
e0dfa761 PP |
142 | it_ret = bt_notification_iterator_next(it); |
143 | switch (it_ret) { | |
144 | case BT_NOTIFICATION_ITERATOR_STATUS_ERROR: | |
145 | ret = BT_COMPONENT_STATUS_ERROR; | |
146 | goto end; | |
8812600c PP |
147 | case BT_NOTIFICATION_ITERATOR_STATUS_AGAIN: |
148 | ret = BT_COMPONENT_STATUS_AGAIN; | |
149 | goto end; | |
e0dfa761 | 150 | case BT_NOTIFICATION_ITERATOR_STATUS_END: |
c2b71c92 JG |
151 | g_ptr_array_remove_index(dummy->iterators, i); |
152 | i--; | |
e0dfa761 PP |
153 | continue; |
154 | default: | |
155 | break; | |
156 | } | |
e0dfa761 PP |
157 | } |
158 | ||
c2b71c92 | 159 | if (dummy->iterators->len == 0) { |
e0dfa761 PP |
160 | ret = BT_COMPONENT_STATUS_END; |
161 | } | |
e0dfa761 | 162 | end: |
e0dfa761 PP |
163 | bt_put(notif); |
164 | return ret; | |
165 | } |