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4212232c PP |
1 | /* |
2 | * The MIT License (MIT) | |
3 | * | |
4 | * Copyright (c) 2017 Philippe Proulx <pproulx@efficios.com> | |
5 | * | |
6 | * Permission is hereby granted, free of charge, to any person obtaining a copy | |
7 | * of this software and associated documentation files (the "Software"), to deal | |
8 | * in the Software without restriction, including without limitation the rights | |
9 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
10 | * copies of the Software, and to permit persons to whom the Software is | |
11 | * furnished to do so, subject to the following conditions: | |
12 | * | |
13 | * The above copyright notice and this permission notice shall be included in | |
14 | * all copies or substantial portions of the Software. | |
15 | * | |
16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
17 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
18 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | |
19 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
20 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
21 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN | |
22 | * THE SOFTWARE. | |
23 | */ | |
24 | ||
7c7301d5 | 25 | static |
9a2c8b8e PP |
26 | bt_message_iterator_create_from_message_iterator_status |
27 | bt_bt2_message_iterator_create_from_message_iterator( | |
e803df70 SM |
28 | bt_self_message_iterator *self_msg_iter, |
29 | bt_self_component_port_input *input_port, | |
9a2c8b8e | 30 | bt_message_iterator **message_iterator) |
e803df70 | 31 | { |
9a2c8b8e | 32 | bt_message_iterator_create_from_message_iterator_status |
e803df70 SM |
33 | status; |
34 | ||
9a2c8b8e | 35 | status = bt_message_iterator_create_from_message_iterator( |
e803df70 SM |
36 | self_msg_iter, input_port, message_iterator); |
37 | ||
9a2c8b8e | 38 | if (status != BT_MESSAGE_ITERATOR_CREATE_FROM_MESSAGE_ITERATOR_STATUS_OK) { |
e803df70 SM |
39 | *message_iterator = NULL; |
40 | } | |
41 | ||
42 | return status; | |
43 | } | |
44 | ||
7c7301d5 | 45 | static |
9a2c8b8e PP |
46 | bt_message_iterator_create_from_sink_component_status |
47 | bt_bt2_message_iterator_create_from_sink_component( | |
e803df70 SM |
48 | bt_self_component_sink *self_comp, |
49 | bt_self_component_port_input *input_port, | |
9a2c8b8e | 50 | bt_message_iterator **message_iterator) |
e803df70 | 51 | { |
9a2c8b8e | 52 | bt_message_iterator_create_from_sink_component_status |
e803df70 SM |
53 | status; |
54 | ||
9a2c8b8e | 55 | status = bt_message_iterator_create_from_sink_component( |
e803df70 SM |
56 | self_comp, input_port, message_iterator); |
57 | ||
9a2c8b8e | 58 | if (status != BT_MESSAGE_ITERATOR_CREATE_FROM_SINK_COMPONENT_STATUS_OK) { |
e803df70 SM |
59 | *message_iterator = NULL; |
60 | } | |
61 | ||
62 | return status; | |
63 | } | |
64 | ||
4212232c PP |
65 | static PyObject *bt_bt2_get_user_component_from_user_msg_iter( |
66 | bt_self_message_iterator *self_message_iterator) | |
67 | { | |
68 | bt_self_component *self_component = bt_self_message_iterator_borrow_component(self_message_iterator); | |
69 | PyObject *py_comp; | |
70 | ||
98b15851 | 71 | BT_ASSERT_DBG(self_component); |
4212232c | 72 | py_comp = bt_self_component_get_data(self_component); |
98b15851 | 73 | BT_ASSERT_DBG(py_comp); |
4212232c PP |
74 | |
75 | /* Return new reference */ | |
76 | Py_INCREF(py_comp); | |
77 | return py_comp; | |
78 | } | |
79 | ||
80 | static inline | |
81 | PyObject *create_pylist_from_messages(bt_message_array_const messages, | |
82 | uint64_t message_count) | |
83 | { | |
84 | uint64_t i; | |
85 | PyObject *py_msg_list = PyList_New(message_count); | |
86 | ||
87 | BT_ASSERT(py_msg_list); | |
88 | ||
89 | for (i = 0; i < message_count; i++) { | |
90 | PyList_SET_ITEM(py_msg_list, i, | |
91 | SWIG_NewPointerObj(SWIG_as_voidptr(messages[i]), | |
92 | SWIGTYPE_p_bt_message, 0)); | |
93 | } | |
94 | ||
95 | return py_msg_list; | |
96 | } | |
97 | ||
98 | static | |
99 | PyObject *get_msg_range_common(bt_message_iterator_next_status status, | |
100 | bt_message_array_const messages, uint64_t message_count) | |
101 | { | |
102 | PyObject *py_status; | |
103 | PyObject *py_return_tuple; | |
104 | PyObject *py_msg_list; | |
105 | ||
106 | py_return_tuple = PyTuple_New(2); | |
107 | BT_ASSERT(py_return_tuple); | |
108 | ||
109 | /* Set tuple[0], status. */ | |
110 | py_status = SWIG_From_long_SS_long(status); | |
111 | PyTuple_SET_ITEM(py_return_tuple, 0, py_status); | |
112 | ||
113 | /* Set tuple[1], message list on success, None otherwise. */ | |
114 | if (status == __BT_FUNC_STATUS_OK) { | |
115 | py_msg_list = create_pylist_from_messages(messages, message_count); | |
116 | } else { | |
117 | py_msg_list = Py_None; | |
118 | Py_INCREF(py_msg_list); | |
119 | } | |
120 | ||
121 | PyTuple_SET_ITEM(py_return_tuple, 1, py_msg_list); | |
122 | ||
123 | return py_return_tuple; | |
124 | } | |
125 | ||
126 | static PyObject *bt_bt2_self_component_port_input_get_msg_range( | |
9a2c8b8e | 127 | bt_message_iterator *iter) |
4212232c PP |
128 | { |
129 | bt_message_array_const messages; | |
130 | uint64_t message_count = 0; | |
131 | bt_message_iterator_next_status status; | |
132 | ||
9a2c8b8e | 133 | status = bt_message_iterator_next(iter, |
4212232c PP |
134 | &messages, &message_count); |
135 | return get_msg_range_common(status, messages, message_count); | |
136 | } |