Commit | Line | Data |
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706a18f9 | 1 | /* |
e2f7325d | 2 | * Copyright 2017-2018 Philippe Proulx <pproulx@efficios.com> |
706a18f9 PP |
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 | ||
350ad6c1 | 23 | #define BT_LOG_TAG "LIB/COLANDER" |
578e048b | 24 | #include "lib/lib-logging.h" |
706a18f9 | 25 | |
578e048b MJ |
26 | #include "common/assert.h" |
27 | #include "lib/assert-pre.h" | |
28 | #include "lib/object.h" | |
3fadfbc0 MJ |
29 | #include <babeltrace2/graph/component-class-sink.h> |
30 | #include <babeltrace2/graph/self-component-sink.h> | |
31 | #include <babeltrace2/graph/self-component-port.h> | |
32 | #include <babeltrace2/graph/self-component-port-input-message-iterator.h> | |
33 | #include <babeltrace2/graph/self-component.h> | |
706a18f9 | 34 | #include <glib.h> |
706a18f9 | 35 | |
578e048b MJ |
36 | #include "component-class-sink-colander.h" |
37 | ||
706a18f9 | 38 | static |
0d72b8c3 | 39 | struct bt_component_class_sink *colander_comp_cls; |
706a18f9 | 40 | |
706a18f9 | 41 | static |
d94d92ac PP |
42 | enum bt_self_component_status colander_init( |
43 | struct bt_self_component_sink *self_comp, | |
05e21286 | 44 | const struct bt_value *params, void *init_method_data) |
706a18f9 | 45 | { |
d94d92ac | 46 | enum bt_self_component_status status = BT_SELF_COMPONENT_STATUS_OK; |
7474e7d3 | 47 | struct bt_component_class_sink_colander_priv_data *colander_data = NULL; |
8ed535b5 PP |
48 | struct bt_component_class_sink_colander_data *user_provided_data = |
49 | init_method_data; | |
706a18f9 | 50 | |
3f7d4d90 | 51 | BT_ASSERT(init_method_data); |
7474e7d3 PP |
52 | colander_data = g_new0( |
53 | struct bt_component_class_sink_colander_priv_data, 1); | |
706a18f9 PP |
54 | if (!colander_data) { |
55 | BT_LOGE_STR("Failed to allocate colander data."); | |
d94d92ac | 56 | status = BT_SELF_COMPONENT_STATUS_NOMEM; |
706a18f9 PP |
57 | goto end; |
58 | } | |
59 | ||
d6e69534 | 60 | colander_data->msgs = user_provided_data->msgs; |
d4393e08 | 61 | colander_data->count_addr = user_provided_data->count_addr; |
d94d92ac PP |
62 | status = bt_self_component_sink_add_input_port(self_comp, "in", |
63 | NULL, NULL); | |
64 | if (status != BT_SELF_COMPONENT_STATUS_OK) { | |
706a18f9 PP |
65 | BT_LOGE_STR("Cannot add input port."); |
66 | goto end; | |
67 | } | |
68 | ||
d94d92ac | 69 | bt_self_component_set_data( |
707b7d35 | 70 | bt_self_component_sink_as_self_component(self_comp), |
d94d92ac | 71 | colander_data); |
706a18f9 PP |
72 | |
73 | end: | |
74 | return status; | |
75 | } | |
76 | ||
77 | static | |
d94d92ac | 78 | void colander_finalize(struct bt_self_component_sink *self_comp) |
706a18f9 | 79 | { |
7474e7d3 | 80 | struct bt_component_class_sink_colander_priv_data *colander_data = |
d94d92ac | 81 | bt_self_component_get_data( |
707b7d35 | 82 | bt_self_component_sink_as_self_component(self_comp)); |
706a18f9 PP |
83 | |
84 | if (!colander_data) { | |
85 | return; | |
86 | } | |
87 | ||
d6e69534 | 88 | BT_OBJECT_PUT_REF_AND_RESET(colander_data->msg_iter); |
706a18f9 PP |
89 | g_free(colander_data); |
90 | } | |
91 | ||
92 | static | |
36d1acad SM |
93 | enum bt_self_component_status colander_graph_is_configured( |
94 | bt_self_component_sink *self_comp) | |
706a18f9 | 95 | { |
d94d92ac | 96 | enum bt_self_component_status status = BT_SELF_COMPONENT_STATUS_OK; |
7474e7d3 | 97 | struct bt_component_class_sink_colander_priv_data *colander_data = |
d94d92ac | 98 | bt_self_component_get_data( |
707b7d35 | 99 | bt_self_component_sink_as_self_component(self_comp)); |
706a18f9 | 100 | |
36d1acad SM |
101 | struct bt_self_component_port_input *self_port = |
102 | bt_self_component_sink_borrow_input_port_by_name(self_comp, "in"); | |
103 | BT_ASSERT(self_port); | |
104 | ||
f6ccaed9 | 105 | BT_ASSERT(colander_data); |
d6e69534 PP |
106 | BT_OBJECT_PUT_REF_AND_RESET(colander_data->msg_iter); |
107 | colander_data->msg_iter = | |
108 | bt_self_component_port_input_message_iterator_create( | |
d94d92ac | 109 | self_port); |
d6e69534 PP |
110 | if (!colander_data->msg_iter) { |
111 | BT_LIB_LOGE("Cannot create message iterator on " | |
d94d92ac PP |
112 | "self component input port: %![port-]+p", |
113 | self_port); | |
114 | status = BT_SELF_COMPONENT_STATUS_NOMEM; | |
706a18f9 PP |
115 | goto end; |
116 | } | |
117 | ||
118 | end: | |
bf55043c | 119 | return status; |
706a18f9 PP |
120 | } |
121 | ||
122 | static | |
d94d92ac PP |
123 | enum bt_self_component_status colander_consume( |
124 | struct bt_self_component_sink *self_comp) | |
706a18f9 | 125 | { |
d94d92ac | 126 | enum bt_self_component_status status = BT_SELF_COMPONENT_STATUS_OK; |
d6e69534 | 127 | enum bt_message_iterator_status msg_iter_status; |
7474e7d3 | 128 | struct bt_component_class_sink_colander_priv_data *colander_data = |
d94d92ac | 129 | bt_self_component_get_data( |
707b7d35 | 130 | bt_self_component_sink_as_self_component(self_comp)); |
d6e69534 | 131 | bt_message_array_const msgs; |
706a18f9 | 132 | |
f6ccaed9 | 133 | BT_ASSERT(colander_data); |
3f7d4d90 | 134 | BT_ASSERT(colander_data->msg_iter); |
d6e69534 PP |
135 | msg_iter_status = |
136 | bt_self_component_port_input_message_iterator_next( | |
137 | colander_data->msg_iter, &msgs, | |
d94d92ac | 138 | colander_data->count_addr); |
d6e69534 | 139 | switch (msg_iter_status) { |
d6e69534 | 140 | case BT_MESSAGE_ITERATOR_STATUS_AGAIN: |
d94d92ac | 141 | status = BT_SELF_COMPONENT_STATUS_AGAIN; |
706a18f9 | 142 | goto end; |
d6e69534 | 143 | case BT_MESSAGE_ITERATOR_STATUS_END: |
d94d92ac | 144 | status = BT_SELF_COMPONENT_STATUS_END; |
706a18f9 | 145 | goto end; |
d6e69534 PP |
146 | case BT_MESSAGE_ITERATOR_STATUS_OK: |
147 | /* Move messages to user (count already set) */ | |
148 | memcpy(colander_data->msgs, msgs, | |
149 | sizeof(*msgs) * *colander_data->count_addr); | |
706a18f9 PP |
150 | break; |
151 | default: | |
d94d92ac | 152 | status = BT_SELF_COMPONENT_STATUS_ERROR; |
706a18f9 PP |
153 | goto end; |
154 | } | |
155 | ||
706a18f9 | 156 | end: |
706a18f9 PP |
157 | return status; |
158 | } | |
159 | ||
d94d92ac | 160 | struct bt_component_class_sink *bt_component_class_sink_colander_get(void) |
706a18f9 PP |
161 | { |
162 | if (colander_comp_cls) { | |
163 | goto end; | |
164 | } | |
165 | ||
0d72b8c3 PP |
166 | colander_comp_cls = bt_component_class_sink_create("colander", |
167 | colander_consume); | |
706a18f9 PP |
168 | if (!colander_comp_cls) { |
169 | BT_LOGE_STR("Cannot create sink colander component class."); | |
170 | goto end; | |
171 | } | |
172 | ||
0d72b8c3 | 173 | (void) bt_component_class_sink_set_init_method( |
d94d92ac | 174 | colander_comp_cls, colander_init); |
0d72b8c3 | 175 | (void) bt_component_class_sink_set_finalize_method( |
d94d92ac | 176 | colander_comp_cls, colander_finalize); |
36d1acad SM |
177 | (void) bt_component_class_sink_set_graph_is_configured_method( |
178 | colander_comp_cls, colander_graph_is_configured); | |
706a18f9 PP |
179 | |
180 | end: | |
398454ed | 181 | bt_object_get_ref(colander_comp_cls); |
5a2b6475 | 182 | return colander_comp_cls; |
706a18f9 PP |
183 | } |
184 | ||
185 | __attribute__((destructor)) static | |
186 | void put_colander(void) { | |
65300d60 | 187 | BT_OBJECT_PUT_REF_AND_RESET(colander_comp_cls); |
706a18f9 | 188 | } |