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6fa6bfa1 SM |
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 | ||
01f50d54 PP |
25 | /* Output argument typemap for plugin output (always appends) */ |
26 | %typemap(in, numinputs=0) | |
e4b56bb9 | 27 | (const bt_plugin **) |
01f50d54 PP |
28 | (bt_plugin *temp_plugin = NULL) { |
29 | $1 = &temp_plugin; | |
30 | } | |
6fa6bfa1 | 31 | |
01f50d54 | 32 | %typemap(argout) |
e4b56bb9 | 33 | (const bt_plugin **) { |
01f50d54 PP |
34 | if (*$1) { |
35 | /* SWIG_Python_AppendOutput() steals the created object */ | |
36 | $result = SWIG_Python_AppendOutput($result, | |
37 | SWIG_NewPointerObj(SWIG_as_voidptr(*$1), | |
38 | SWIGTYPE_p_bt_plugin, 0)); | |
39 | } else { | |
40 | /* SWIG_Python_AppendOutput() steals Py_None */ | |
41 | Py_INCREF(Py_None); | |
42 | $result = SWIG_Python_AppendOutput($result, Py_None); | |
43 | } | |
44 | } | |
6fa6bfa1 | 45 | |
01f50d54 PP |
46 | /* Output argument typemap for plugin set output (always appends) */ |
47 | %typemap(in, numinputs=0) | |
e4b56bb9 | 48 | (const bt_plugin_set **) |
01f50d54 PP |
49 | (bt_plugin_set *temp_plugin_set = NULL) { |
50 | $1 = &temp_plugin_set; | |
51 | } | |
6fa6bfa1 | 52 | |
01f50d54 | 53 | %typemap(argout) |
e4b56bb9 | 54 | (const bt_plugin_set **) { |
01f50d54 PP |
55 | if (*$1) { |
56 | /* SWIG_Python_AppendOutput() steals the created object */ | |
57 | $result = SWIG_Python_AppendOutput($result, | |
58 | SWIG_NewPointerObj(SWIG_as_voidptr(*$1), | |
59 | SWIGTYPE_p_bt_plugin_set, 0)); | |
60 | } else { | |
61 | /* SWIG_Python_AppendOutput() steals Py_None */ | |
62 | Py_INCREF(Py_None); | |
63 | $result = SWIG_Python_AppendOutput($result, Py_None); | |
64 | } | |
65 | } | |
66 | ||
e4b56bb9 SM |
67 | %include <babeltrace2/plugin/plugin-const.h> |
68 | %include <babeltrace2/plugin/plugin-set-const.h> | |
ec656f03 SM |
69 | |
70 | /* Helpers */ | |
71 | ||
72 | bt_property_availability bt_plugin_get_version_wrapper( | |
e4b56bb9 SM |
73 | const bt_plugin *plugin, unsigned int *major, |
74 | unsigned int *minor, unsigned int *patch, const char **extra); | |
ec656f03 | 75 | |
01f50d54 | 76 | bt_plugin_status bt_plugin_find_wrapper(const char *plugin_name, |
e4b56bb9 | 77 | bt_bool fail_on_load_error, const bt_plugin **plugin); |
01f50d54 PP |
78 | |
79 | bt_plugin_status bt_plugin_find_all_from_file_wrapper( | |
80 | const char *path, bt_bool fail_on_load_error, | |
e4b56bb9 | 81 | const bt_plugin_set **plugin_set); |
01f50d54 PP |
82 | |
83 | bt_plugin_status bt_plugin_find_all_from_dir_wrapper( | |
84 | const char *path, bt_bool recurse, bt_bool fail_on_load_error, | |
e4b56bb9 | 85 | const bt_plugin_set **plugin_set); |
01f50d54 | 86 | |
ec656f03 SM |
87 | %{ |
88 | ||
89 | /* | |
01f50d54 PP |
90 | * This *_wrapper() functions below ensure that when the API function |
91 | * fails, the output parameter is set to `NULL`. This is necessary | |
92 | * because the epilogue of the `something **OUT` typemap will use that | |
93 | * value to make a Python object. We can't rely on the initial value of | |
94 | * `*OUT`; it could point to unreadable memory. | |
ec656f03 SM |
95 | */ |
96 | ||
97 | bt_property_availability bt_plugin_get_version_wrapper( | |
98 | const bt_plugin *plugin, unsigned int *major, | |
99 | unsigned int *minor, unsigned int *patch, const char **extra) | |
100 | { | |
101 | bt_property_availability ret; | |
102 | ||
103 | ret = bt_plugin_get_version(plugin, major, minor, patch, extra); | |
104 | ||
105 | if (ret == BT_PROPERTY_AVAILABILITY_NOT_AVAILABLE) { | |
106 | *extra = NULL; | |
107 | } | |
108 | ||
109 | return ret; | |
110 | } | |
111 | ||
01f50d54 PP |
112 | bt_plugin_status bt_plugin_find_wrapper(const char *plugin_name, |
113 | bt_bool fail_on_load_error, const bt_plugin **plugin) | |
114 | { | |
115 | bt_plugin_status status; | |
116 | ||
117 | status = bt_plugin_find(plugin_name, fail_on_load_error, | |
118 | plugin); | |
119 | if (status != BT_PLUGIN_STATUS_OK) { | |
120 | *plugin = NULL; | |
121 | } | |
122 | ||
123 | return status; | |
124 | } | |
125 | ||
126 | bt_plugin_status bt_plugin_find_all_from_file_wrapper( | |
127 | const char *path, bt_bool fail_on_load_error, | |
128 | const bt_plugin_set **plugin_set) | |
129 | { | |
130 | bt_plugin_status status; | |
131 | ||
132 | status = bt_plugin_find_all_from_file(path, fail_on_load_error, | |
133 | plugin_set); | |
134 | if (status != BT_PLUGIN_STATUS_OK) { | |
135 | *plugin_set = NULL; | |
136 | } | |
137 | ||
138 | return status; | |
139 | } | |
140 | ||
141 | bt_plugin_status bt_plugin_find_all_from_dir_wrapper( | |
142 | const char *path, bt_bool recurse, bt_bool fail_on_load_error, | |
143 | const bt_plugin_set **plugin_set) | |
144 | { | |
145 | bt_plugin_status status; | |
146 | ||
147 | status = bt_plugin_find_all_from_dir(path, recurse, fail_on_load_error, | |
148 | plugin_set); | |
149 | if (status != BT_PLUGIN_STATUS_OK) { | |
150 | *plugin_set = NULL; | |
151 | } | |
152 | ||
153 | return status; | |
154 | } | |
155 | ||
ec656f03 | 156 | %} |