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" |
c2d9d9cf | 24 | #include "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 | 36 | #include "component-class-sink-colander.h" |
d24d5663 | 37 | #include "lib/func-status.h" |
578e048b | 38 | |
706a18f9 | 39 | static |
0d72b8c3 | 40 | struct bt_component_class_sink *colander_comp_cls; |
706a18f9 | 41 | |
706a18f9 | 42 | static |
d24d5663 | 43 | enum bt_component_class_init_method_status colander_init( |
d94d92ac | 44 | struct bt_self_component_sink *self_comp, |
05e21286 | 45 | const struct bt_value *params, void *init_method_data) |
706a18f9 | 46 | { |
9275bef4 | 47 | int status = BT_FUNC_STATUS_OK; |
7474e7d3 | 48 | struct bt_component_class_sink_colander_priv_data *colander_data = NULL; |
8ed535b5 PP |
49 | struct bt_component_class_sink_colander_data *user_provided_data = |
50 | init_method_data; | |
706a18f9 | 51 | |
3f7d4d90 | 52 | BT_ASSERT(init_method_data); |
7474e7d3 PP |
53 | colander_data = g_new0( |
54 | struct bt_component_class_sink_colander_priv_data, 1); | |
706a18f9 | 55 | if (!colander_data) { |
870631a2 PP |
56 | BT_LIB_LOGE_APPEND_CAUSE( |
57 | "Failed to allocate colander sink data."); | |
d24d5663 | 58 | status = BT_FUNC_STATUS_MEMORY_ERROR; |
706a18f9 PP |
59 | goto end; |
60 | } | |
61 | ||
d6e69534 | 62 | colander_data->msgs = user_provided_data->msgs; |
d4393e08 | 63 | colander_data->count_addr = user_provided_data->count_addr; |
d94d92ac PP |
64 | status = bt_self_component_sink_add_input_port(self_comp, "in", |
65 | NULL, NULL); | |
d24d5663 | 66 | if (status != BT_FUNC_STATUS_OK) { |
870631a2 PP |
67 | BT_LIB_LOGE_APPEND_CAUSE( |
68 | "Cannot add input port to colander sink."); | |
706a18f9 PP |
69 | goto end; |
70 | } | |
71 | ||
d94d92ac | 72 | bt_self_component_set_data( |
707b7d35 | 73 | bt_self_component_sink_as_self_component(self_comp), |
d94d92ac | 74 | colander_data); |
706a18f9 PP |
75 | |
76 | end: | |
77 | return status; | |
78 | } | |
79 | ||
80 | static | |
d94d92ac | 81 | void colander_finalize(struct bt_self_component_sink *self_comp) |
706a18f9 | 82 | { |
7474e7d3 | 83 | struct bt_component_class_sink_colander_priv_data *colander_data = |
d94d92ac | 84 | bt_self_component_get_data( |
707b7d35 | 85 | bt_self_component_sink_as_self_component(self_comp)); |
706a18f9 PP |
86 | |
87 | if (!colander_data) { | |
88 | return; | |
89 | } | |
90 | ||
d6e69534 | 91 | BT_OBJECT_PUT_REF_AND_RESET(colander_data->msg_iter); |
706a18f9 PP |
92 | g_free(colander_data); |
93 | } | |
94 | ||
95 | static | |
d24d5663 PP |
96 | enum bt_component_class_sink_graph_is_configured_method_status |
97 | colander_graph_is_configured( | |
36d1acad | 98 | bt_self_component_sink *self_comp) |
706a18f9 | 99 | { |
d24d5663 PP |
100 | enum bt_component_class_sink_graph_is_configured_method_status status = |
101 | BT_FUNC_STATUS_OK; | |
7474e7d3 | 102 | struct bt_component_class_sink_colander_priv_data *colander_data = |
d94d92ac | 103 | bt_self_component_get_data( |
707b7d35 | 104 | bt_self_component_sink_as_self_component(self_comp)); |
706a18f9 | 105 | |
36d1acad SM |
106 | struct bt_self_component_port_input *self_port = |
107 | bt_self_component_sink_borrow_input_port_by_name(self_comp, "in"); | |
108 | BT_ASSERT(self_port); | |
109 | ||
f6ccaed9 | 110 | BT_ASSERT(colander_data); |
d6e69534 PP |
111 | BT_OBJECT_PUT_REF_AND_RESET(colander_data->msg_iter); |
112 | colander_data->msg_iter = | |
ca02df0a PP |
113 | bt_self_component_port_input_message_iterator_create_from_sink_component( |
114 | self_comp, self_port); | |
d6e69534 | 115 | if (!colander_data->msg_iter) { |
870631a2 | 116 | BT_LIB_LOGE_APPEND_CAUSE("Cannot create message iterator on " |
d94d92ac PP |
117 | "self component input port: %![port-]+p", |
118 | self_port); | |
d24d5663 | 119 | status = BT_FUNC_STATUS_MEMORY_ERROR; |
706a18f9 PP |
120 | goto end; |
121 | } | |
122 | ||
123 | end: | |
bf55043c | 124 | return status; |
706a18f9 PP |
125 | } |
126 | ||
127 | static | |
d24d5663 | 128 | enum bt_component_class_sink_consume_method_status colander_consume( |
d94d92ac | 129 | struct bt_self_component_sink *self_comp) |
706a18f9 | 130 | { |
d24d5663 PP |
131 | enum bt_component_class_sink_consume_method_status status = |
132 | BT_FUNC_STATUS_OK; | |
133 | enum bt_message_iterator_next_status next_status; | |
7474e7d3 | 134 | struct bt_component_class_sink_colander_priv_data *colander_data = |
d94d92ac | 135 | bt_self_component_get_data( |
707b7d35 | 136 | bt_self_component_sink_as_self_component(self_comp)); |
d6e69534 | 137 | bt_message_array_const msgs; |
706a18f9 | 138 | |
f6ccaed9 | 139 | BT_ASSERT(colander_data); |
3f7d4d90 | 140 | BT_ASSERT(colander_data->msg_iter); |
d24d5663 PP |
141 | next_status = bt_self_component_port_input_message_iterator_next( |
142 | colander_data->msg_iter, &msgs, | |
143 | colander_data->count_addr); | |
144 | switch (next_status) { | |
145 | case BT_FUNC_STATUS_AGAIN: | |
146 | status = BT_FUNC_STATUS_AGAIN; | |
706a18f9 | 147 | goto end; |
d24d5663 PP |
148 | case BT_FUNC_STATUS_END: |
149 | status = BT_FUNC_STATUS_END; | |
706a18f9 | 150 | goto end; |
d24d5663 | 151 | case BT_FUNC_STATUS_OK: |
d6e69534 PP |
152 | /* Move messages to user (count already set) */ |
153 | memcpy(colander_data->msgs, msgs, | |
154 | sizeof(*msgs) * *colander_data->count_addr); | |
706a18f9 PP |
155 | break; |
156 | default: | |
d24d5663 | 157 | status = BT_FUNC_STATUS_ERROR; |
706a18f9 PP |
158 | goto end; |
159 | } | |
160 | ||
706a18f9 | 161 | end: |
706a18f9 PP |
162 | return status; |
163 | } | |
164 | ||
d94d92ac | 165 | struct bt_component_class_sink *bt_component_class_sink_colander_get(void) |
706a18f9 PP |
166 | { |
167 | if (colander_comp_cls) { | |
168 | goto end; | |
169 | } | |
170 | ||
0d72b8c3 PP |
171 | colander_comp_cls = bt_component_class_sink_create("colander", |
172 | colander_consume); | |
706a18f9 | 173 | if (!colander_comp_cls) { |
870631a2 PP |
174 | BT_LIB_LOGE_APPEND_CAUSE( |
175 | "Cannot create sink colander component class."); | |
706a18f9 PP |
176 | goto end; |
177 | } | |
178 | ||
0d72b8c3 | 179 | (void) bt_component_class_sink_set_init_method( |
d94d92ac | 180 | colander_comp_cls, colander_init); |
0d72b8c3 | 181 | (void) bt_component_class_sink_set_finalize_method( |
d94d92ac | 182 | colander_comp_cls, colander_finalize); |
36d1acad SM |
183 | (void) bt_component_class_sink_set_graph_is_configured_method( |
184 | colander_comp_cls, colander_graph_is_configured); | |
706a18f9 PP |
185 | |
186 | end: | |
398454ed | 187 | bt_object_get_ref(colander_comp_cls); |
5a2b6475 | 188 | return colander_comp_cls; |
706a18f9 PP |
189 | } |
190 | ||
191 | __attribute__((destructor)) static | |
192 | void put_colander(void) { | |
65300d60 | 193 | BT_OBJECT_PUT_REF_AND_RESET(colander_comp_cls); |
706a18f9 | 194 | } |