Make some bt_param_validation_map_value_entry_descr variables static
[babeltrace.git] / src / plugins / utils / dummy / dummy.c
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 #define BT_COMP_LOG_SELF_COMP self_comp
24 #define BT_LOG_OUTPUT_LEVEL log_level
25 #define BT_LOG_TAG "PLUGIN/SINK.UTILS.DUMMY"
26 #include "logging/comp-logging.h"
27
28 #include <babeltrace2/babeltrace.h>
29 #include "common/macros.h"
30 #include "common/assert.h"
31 #include "dummy.h"
32 #include "plugins/common/param-validation/param-validation.h"
33
34 static
35 const char * const in_port_name = "in";
36
37 static
38 void destroy_private_dummy_data(struct dummy *dummy)
39 {
40 bt_self_component_port_input_message_iterator_put_ref(dummy->msg_iter);
41 g_free(dummy);
42
43 }
44
45 BT_HIDDEN
46 void dummy_finalize(bt_self_component_sink *comp)
47 {
48 struct dummy *dummy;
49
50 BT_ASSERT(comp);
51 dummy = bt_self_component_get_data(
52 bt_self_component_sink_as_self_component(comp));
53 BT_ASSERT(dummy);
54 destroy_private_dummy_data(dummy);
55 }
56
57 static
58 struct bt_param_validation_map_value_entry_descr dummy_params[] = {
59 BT_PARAM_VALIDATION_MAP_VALUE_ENTRY_END
60 };
61
62 BT_HIDDEN
63 bt_component_class_initialize_method_status dummy_init(
64 bt_self_component_sink *self_comp_sink,
65 bt_self_component_sink_configuration *config,
66 const bt_value *params,
67 __attribute__((unused)) void *init_method_data)
68 {
69 bt_self_component *self_comp =
70 bt_self_component_sink_as_self_component(self_comp_sink);
71 const bt_component *comp = bt_self_component_as_component(self_comp);
72 bt_logging_level log_level = bt_component_get_logging_level(comp);
73 bt_component_class_initialize_method_status status;
74 bt_self_component_add_port_status add_port_status;
75 struct dummy *dummy = g_new0(struct dummy, 1);
76 enum bt_param_validation_status validation_status;
77 gchar *validate_error = NULL;
78
79 if (!dummy) {
80 status = BT_COMPONENT_CLASS_INITIALIZE_METHOD_STATUS_MEMORY_ERROR;
81 goto end;
82 }
83
84 validation_status = bt_param_validation_validate(params,
85 dummy_params, &validate_error);
86 if (validation_status == BT_PARAM_VALIDATION_STATUS_MEMORY_ERROR) {
87 status = BT_COMPONENT_CLASS_INITIALIZE_METHOD_STATUS_MEMORY_ERROR;
88 goto error;
89 } else if (validation_status == BT_PARAM_VALIDATION_STATUS_VALIDATION_ERROR) {
90 status = BT_COMPONENT_CLASS_INITIALIZE_METHOD_STATUS_ERROR;
91 BT_COMP_LOGE_APPEND_CAUSE(self_comp, "%s", validate_error);
92 goto error;
93 }
94
95 add_port_status = bt_self_component_sink_add_input_port(self_comp_sink,
96 "in", NULL, NULL);
97 if (add_port_status != BT_SELF_COMPONENT_ADD_PORT_STATUS_OK) {
98 status = (int) add_port_status;
99 goto error;
100 }
101
102 bt_self_component_set_data(self_comp, dummy);
103
104 status = BT_COMPONENT_CLASS_INITIALIZE_METHOD_STATUS_OK;
105 goto end;
106
107 error:
108 destroy_private_dummy_data(dummy);
109
110 end:
111 g_free(validate_error);
112
113 return status;
114 }
115
116 BT_HIDDEN
117 bt_component_class_sink_graph_is_configured_method_status dummy_graph_is_configured(
118 bt_self_component_sink *comp)
119 {
120 bt_component_class_sink_graph_is_configured_method_status status;
121 bt_self_component_port_input_message_iterator_create_from_sink_component_status
122 msg_iter_status;
123 struct dummy *dummy;
124 bt_self_component_port_input_message_iterator *iterator;
125
126 dummy = bt_self_component_get_data(
127 bt_self_component_sink_as_self_component(comp));
128 BT_ASSERT(dummy);
129 msg_iter_status = bt_self_component_port_input_message_iterator_create_from_sink_component(
130 comp, bt_self_component_sink_borrow_input_port_by_name(comp,
131 in_port_name), &iterator);
132 if (msg_iter_status != BT_SELF_COMPONENT_PORT_INPUT_MESSAGE_ITERATOR_CREATE_FROM_SINK_COMPONENT_STATUS_OK) {
133 status = (int) msg_iter_status;
134 goto end;
135 }
136
137 BT_SELF_COMPONENT_PORT_INPUT_MESSAGE_ITERATOR_MOVE_REF(
138 dummy->msg_iter, iterator);
139
140 status = BT_COMPONENT_CLASS_SINK_GRAPH_IS_CONFIGURED_METHOD_STATUS_OK;
141
142 end:
143 return status;
144 }
145
146 BT_HIDDEN
147 bt_component_class_sink_consume_method_status dummy_consume(
148 bt_self_component_sink *component)
149 {
150 bt_component_class_sink_consume_method_status status =
151 BT_COMPONENT_CLASS_SINK_CONSUME_METHOD_STATUS_OK;
152 bt_message_array_const msgs;
153 uint64_t count;
154 struct dummy *dummy;
155 bt_message_iterator_next_status next_status;
156 uint64_t i;
157
158 dummy = bt_self_component_get_data(
159 bt_self_component_sink_as_self_component(component));
160 BT_ASSERT_DBG(dummy);
161
162 if (G_UNLIKELY(!dummy->msg_iter)) {
163 status = BT_COMPONENT_CLASS_SINK_CONSUME_METHOD_STATUS_END;
164 goto end;
165 }
166
167 /* Consume one message */
168 next_status = bt_self_component_port_input_message_iterator_next(
169 dummy->msg_iter, &msgs, &count);
170 switch (next_status) {
171 case BT_MESSAGE_ITERATOR_NEXT_STATUS_OK:
172 status = BT_COMPONENT_CLASS_SINK_CONSUME_METHOD_STATUS_OK;
173
174 for (i = 0; i < count; i++) {
175 bt_message_put_ref(msgs[i]);
176 }
177
178 break;
179 case BT_MESSAGE_ITERATOR_NEXT_STATUS_AGAIN:
180 status = BT_COMPONENT_CLASS_SINK_CONSUME_METHOD_STATUS_AGAIN;
181 goto end;
182 case BT_MESSAGE_ITERATOR_NEXT_STATUS_END:
183 status = BT_COMPONENT_CLASS_SINK_CONSUME_METHOD_STATUS_END;
184 goto end;
185 case BT_MESSAGE_ITERATOR_NEXT_STATUS_ERROR:
186 status = BT_COMPONENT_CLASS_SINK_CONSUME_METHOD_STATUS_ERROR;
187 goto end;
188 case BT_MESSAGE_ITERATOR_NEXT_STATUS_MEMORY_ERROR:
189 status = BT_COMPONENT_CLASS_SINK_CONSUME_METHOD_STATUS_MEMORY_ERROR;
190 goto end;
191 default:
192 break;
193 }
194
195 end:
196 return status;
197 }
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